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diff --git a/daemons/fenced/fenced_scheduler.c b/daemons/fenced/fenced_scheduler.c
index 8fde71a323..613fdc7cad 100644
--- a/daemons/fenced/fenced_scheduler.c
+++ b/daemons/fenced/fenced_scheduler.c
@@ -1,228 +1,228 @@
/*
* Copyright 2009-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU General Public License version 2
* or later (GPLv2+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <stdio.h>
#include <errno.h>
#include <glib.h>
#include <crm/pengine/status.h>
#include <crm/pengine/internal.h>
#include <pacemaker-internal.h>
#include <pacemaker-fenced.h>
static pcmk_scheduler_t *scheduler = NULL;
/*!
* \internal
* \brief Initialize scheduler data for fencer purposes
*
* \return Standard Pacemaker return code
*/
int
fenced_scheduler_init(void)
{
pcmk__output_t *logger = NULL;
int rc = pcmk__log_output_new(&logger);
if (rc != pcmk_rc_ok) {
return rc;
}
scheduler = pe_new_working_set();
if (scheduler == NULL) {
pcmk__output_free(logger);
return ENOMEM;
}
pe__register_messages(logger);
pcmk__register_lib_messages(logger);
pcmk__output_set_log_level(logger, LOG_TRACE);
scheduler->priv = logger;
return pcmk_rc_ok;
}
/*!
* \internal
* \brief Free all scheduler-related resources
*/
void
fenced_scheduler_cleanup(void)
{
if (scheduler != NULL) {
pcmk__output_t *logger = scheduler->priv;
if (logger != NULL) {
logger->finish(logger, CRM_EX_OK, true, NULL);
pcmk__output_free(logger);
scheduler->priv = NULL;
}
pe_free_working_set(scheduler);
scheduler = NULL;
}
}
/*!
* \internal
* \brief Check whether the local node is in a resource's allowed node list
*
* \param[in] rsc Resource to check
*
* \return Pointer to node if found, otherwise NULL
*/
static pcmk_node_t *
local_node_allowed_for(const pcmk_resource_t *rsc)
{
if ((rsc != NULL) && (stonith_our_uname != NULL)) {
GHashTableIter iter;
pcmk_node_t *node = NULL;
g_hash_table_iter_init(&iter, rsc->allowed_nodes);
while (g_hash_table_iter_next(&iter, NULL, (void **) &node)) {
if (pcmk__str_eq(node->details->uname, stonith_our_uname,
pcmk__str_casei)) {
return node;
}
}
}
return NULL;
}
/*!
* \internal
* \brief If a given resource or any of its children are fencing devices,
* register the devices
*
* \param[in,out] data Resource to check
* \param[in,out] user_data Ignored
*/
static void
register_if_fencing_device(gpointer data, gpointer user_data)
{
pcmk_resource_t *rsc = data;
const char *rsc_id = pcmk__s(rsc->private->history_id, rsc->id);
xmlNode *xml = NULL;
GHashTableIter hash_iter;
pcmk_node_t *node = NULL;
const char *name = NULL;
const char *value = NULL;
const char *rclass = NULL;
const char *agent = NULL;
const char *rsc_provides = NULL;
stonith_key_value_t *params = NULL;
// If this is a collective resource, check children instead
if (rsc->children != NULL) {
for (GList *iter = rsc->children; iter != NULL; iter = iter->next) {
register_if_fencing_device(iter->data, NULL);
if (pcmk__is_clone(rsc)) {
return; // Only one instance needs to be checked for clones
}
}
return;
}
- rclass = crm_element_value(rsc->xml, PCMK_XA_CLASS);
+ rclass = crm_element_value(rsc->private->xml, PCMK_XA_CLASS);
if (!pcmk__str_eq(rclass, PCMK_RESOURCE_CLASS_STONITH, pcmk__str_casei)) {
return; // Not a fencing device
}
if (pe__resource_is_disabled(rsc)) {
crm_info("Ignoring fencing device %s because it is disabled", rsc->id);
return;
}
if ((stonith_watchdog_timeout_ms <= 0) &&
pcmk__str_eq(rsc->id, STONITH_WATCHDOG_ID, pcmk__str_none)) {
crm_info("Ignoring fencing device %s "
"because watchdog fencing is disabled", rsc->id);
return;
}
// Check whether local node is allowed to run resource
node = local_node_allowed_for(rsc);
if (node == NULL) {
crm_info("Ignoring fencing device %s "
"because local node is not allowed to run it", rsc->id);
return;
}
if (node->weight < 0) {
crm_info("Ignoring fencing device %s "
"because local node has preference %s for it",
rsc->id, pcmk_readable_score(node->weight));
return;
}
// If device is in a group, check whether local node is allowed for group
if (pcmk__is_group(rsc->parent)) {
pcmk_node_t *group_node = local_node_allowed_for(rsc->parent);
if ((group_node != NULL) && (group_node->weight < 0)) {
crm_info("Ignoring fencing device %s "
"because local node has preference %s for its group",
rsc->id, pcmk_readable_score(group_node->weight));
return;
}
}
crm_debug("Reloading configuration of fencing device %s", rsc->id);
- agent = crm_element_value(rsc->xml, PCMK_XA_TYPE);
+ agent = crm_element_value(rsc->private->xml, PCMK_XA_TYPE);
/* @COMPAT Support for node attribute expressions in rules for resource
* meta-attributes is deprecated. When we can break behavioral backward
* compatibility, replace node with NULL here.
*/
get_meta_attributes(rsc->meta, rsc, node, scheduler);
rsc_provides = g_hash_table_lookup(rsc->meta, PCMK_STONITH_PROVIDES);
g_hash_table_iter_init(&hash_iter, pe_rsc_params(rsc, node, scheduler));
while (g_hash_table_iter_next(&hash_iter, (gpointer *) &name,
(gpointer *) &value)) {
if ((name == NULL) || (value == NULL)) {
continue;
}
params = stonith_key_value_add(params, name, value);
}
xml = create_device_registration_xml(rsc_id, st_namespace_any, agent,
params, rsc_provides);
stonith_key_value_freeall(params, 1, 1);
CRM_ASSERT(stonith_device_register(xml, TRUE) == pcmk_ok);
pcmk__xml_free(xml);
}
/*!
* \internal
* \brief Run the scheduler for fencer purposes
*
* \param[in] cib Cluster's current CIB
*/
void
fenced_scheduler_run(xmlNode *cib)
{
CRM_CHECK((cib != NULL) && (scheduler != NULL), return);
if (scheduler->now != NULL) {
crm_time_free(scheduler->now);
scheduler->now = NULL;
}
scheduler->localhost = stonith_our_uname;
pcmk__schedule_actions(cib, pcmk_sched_location_only
|pcmk_sched_no_compat
|pcmk_sched_no_counts, scheduler);
g_list_foreach(scheduler->resources, register_if_fencing_device, NULL);
scheduler->input = NULL; // Wasn't a copy, so don't let API free it
pe_reset_working_set(scheduler);
}
diff --git a/include/crm/common/resources.h b/include/crm/common/resources.h
index b7d855dad2..bce34fc2b3 100644
--- a/include/crm/common/resources.h
+++ b/include/crm/common/resources.h
@@ -1,345 +1,342 @@
/*
* Copyright 2004-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU Lesser General Public License
* version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
*/
#ifndef PCMK__CRM_COMMON_RESOURCES__H
#define PCMK__CRM_COMMON_RESOURCES__H
#include <stdbool.h> // bool
#include <sys/types.h> // time_t
#include <libxml/tree.h> // xmlNode
#include <glib.h> // gboolean, guint, GList, GHashTable
#include <crm/common/roles.h> // enum rsc_role_e
#include <crm/common/scheduler_types.h> // pcmk_resource_t, etc.
#ifdef __cplusplus
extern "C" {
#endif
/*!
* \file
* \brief Scheduler API for resources
* \ingroup core
*/
// Resource variants supported by Pacemaker
//!@{
//! \deprecated Do not use
enum pe_obj_types {
// Order matters: some code compares greater or lesser than
pcmk_rsc_variant_unknown = -1, // Unknown resource variant
pcmk_rsc_variant_primitive = 0, // Primitive resource
pcmk_rsc_variant_group = 1, // Group resource
pcmk_rsc_variant_clone = 2, // Clone resource
pcmk_rsc_variant_bundle = 3, // Bundle resource
#if !defined(PCMK_ALLOW_DEPRECATED) || (PCMK_ALLOW_DEPRECATED == 1)
pe_unknown = pcmk_rsc_variant_unknown,
pe_native = pcmk_rsc_variant_primitive,
pe_group = pcmk_rsc_variant_group,
pe_clone = pcmk_rsc_variant_clone,
pe_container = pcmk_rsc_variant_bundle,
#endif
};
// What resource needs before it can be recovered from a failed node
enum rsc_start_requirement {
pcmk_requires_nothing = 0, // Resource can be recovered immediately
pcmk_requires_quorum = 1, // Resource can be recovered if quorate
pcmk_requires_fencing = 2, // Resource can be recovered after fencing
#if !defined(PCMK_ALLOW_DEPRECATED) || (PCMK_ALLOW_DEPRECATED == 1)
rsc_req_nothing = pcmk_requires_nothing,
rsc_req_quorum = pcmk_requires_quorum,
rsc_req_stonith = pcmk_requires_fencing,
#endif
};
// How to recover a resource that is incorrectly active on multiple nodes
enum rsc_recovery_type {
pcmk_multiply_active_restart = 0, // Stop on all, start on desired
pcmk_multiply_active_stop = 1, // Stop on all and leave stopped
pcmk_multiply_active_block = 2, // Do nothing to resource
pcmk_multiply_active_unexpected = 3, // Stop unexpected instances
#if !defined(PCMK_ALLOW_DEPRECATED) || (PCMK_ALLOW_DEPRECATED == 1)
recovery_stop_start = pcmk_multiply_active_restart,
recovery_stop_only = pcmk_multiply_active_stop,
recovery_block = pcmk_multiply_active_block,
recovery_stop_unexpected = pcmk_multiply_active_unexpected,
#endif
};
// Resource scheduling flags
enum pcmk_rsc_flags {
// No resource flags set (compare with equality rather than bit set)
pcmk_no_rsc_flags = 0ULL,
// Whether resource has been removed from the configuration
pcmk_rsc_removed = (1ULL << 0),
// Whether resource is managed
pcmk_rsc_managed = (1ULL << 1),
// Whether resource is blocked from further action
pcmk_rsc_blocked = (1ULL << 2),
// Whether resource has been removed but has a container
pcmk_rsc_removed_filler = (1ULL << 3),
// Whether resource has clone notifications enabled
pcmk_rsc_notify = (1ULL << 4),
// Whether resource is not an anonymous clone instance
pcmk_rsc_unique = (1ULL << 5),
// Whether resource's class is "stonith"
pcmk_rsc_fence_device = (1ULL << 6),
// Whether resource can be promoted and demoted
pcmk_rsc_promotable = (1ULL << 7),
// Whether resource has not yet been assigned to a node
pcmk_rsc_unassigned = (1ULL << 8),
// Whether resource is in the process of being assigned to a node
pcmk_rsc_assigning = (1ULL << 9),
// Whether resource is in the process of modifying allowed node scores
pcmk_rsc_updating_nodes = (1ULL << 10),
// Whether resource is in the process of scheduling actions to restart
pcmk_rsc_restarting = (1ULL << 11),
// Whether resource must be stopped (instead of demoted) if it is failed
pcmk_rsc_stop_if_failed = (1ULL << 12),
// Whether a reload action has been scheduled for resource
pcmk_rsc_reload = (1ULL << 13),
// Whether resource is a remote connection allowed to run on a remote node
pcmk_rsc_remote_nesting_allowed = (1ULL << 14),
// Whether resource has \c PCMK_META_CRITICAL meta-attribute enabled
pcmk_rsc_critical = (1ULL << 15),
// Whether resource is considered failed
pcmk_rsc_failed = (1ULL << 16),
// Flag for non-scheduler code to use to detect recursion loops
pcmk_rsc_detect_loop = (1ULL << 17),
// \deprecated Do not use
pcmk_rsc_runnable = (1ULL << 18),
// Whether resource has pending start action in history
pcmk_rsc_start_pending = (1ULL << 19),
// \deprecated Do not use
pcmk_rsc_starting = (1ULL << 20),
// \deprecated Do not use
pcmk_rsc_stopping = (1ULL << 21),
/*
* Whether resource is multiply active with recovery set to
* \c PCMK_VALUE_STOP_UNEXPECTED
*/
pcmk_rsc_stop_unexpected = (1ULL << 22),
// Whether resource is allowed to live-migrate
pcmk_rsc_migratable = (1ULL << 23),
// Whether resource has an ignorable failure
pcmk_rsc_ignore_failure = (1ULL << 24),
// Whether resource is an implicit container resource for a bundle replica
pcmk_rsc_replica_container = (1ULL << 25),
// Whether resource, its node, or entire cluster is in maintenance mode
pcmk_rsc_maintenance = (1ULL << 26),
// \deprecated Do not use
pcmk_rsc_has_filler = (1ULL << 27),
// Whether resource can be started or promoted only on quorate nodes
pcmk_rsc_needs_quorum = (1ULL << 28),
// Whether resource requires fencing before recovery if on unclean node
pcmk_rsc_needs_fencing = (1ULL << 29),
// Whether resource can be started or promoted only on unfenced nodes
pcmk_rsc_needs_unfencing = (1ULL << 30),
};
//!@}
//! Search options for resources (exact resource ID always matches)
enum pe_find {
//! Also match clone instance ID from resource history
pcmk_rsc_match_history = (1 << 0),
//! Also match anonymous clone instances by base name
pcmk_rsc_match_anon_basename = (1 << 1),
//! Match only clones and their instances, by either clone or instance ID
pcmk_rsc_match_clone_only = (1 << 2),
//! If matching by node, compare current node instead of assigned node
pcmk_rsc_match_current_node = (1 << 3),
//! \deprecated Do not use
pe_find_inactive = (1 << 4),
//! Match clone instances (even unique) by base name as well as exact ID
pcmk_rsc_match_basename = (1 << 5),
#if !defined(PCMK_ALLOW_DEPRECATED) || (PCMK_ALLOW_DEPRECATED == 1)
//! \deprecated Use pcmk_rsc_match_history instead
pe_find_renamed = pcmk_rsc_match_history,
//! \deprecated Use pcmk_rsc_match_anon_basename instead
pe_find_anon = pcmk_rsc_match_anon_basename,
//! \deprecated Use pcmk_rsc_match_clone_only instead
pe_find_clone = pcmk_rsc_match_clone_only,
//! \deprecated Use pcmk_rsc_match_current_node instead
pe_find_current = pcmk_rsc_match_current_node,
//! \deprecated Use pcmk_rsc_match_basename instead
pe_find_any = pcmk_rsc_match_basename,
#endif
};
//! \deprecated Do not use
enum pe_restart {
pe_restart_restart,
pe_restart_ignore,
};
//! \internal Do not use
typedef struct pcmk__resource_private pcmk__resource_private_t;
// Implementation of pcmk_resource_t
// @COMPAT Make this internal when we can break API backward compatibility
//!@{
//! \deprecated Do not use (public access will be removed in a future release)
struct pe_resource_s {
/* @COMPAT Once all members are moved to pcmk__resource_private_t,
* We can make that the pcmk_resource_t implementation and drop this
* struct altogether, leaving pcmk_resource_t as an opaque public type.
*/
pcmk__resource_private_t *private;
// NOTE: sbd (as of at least 1.5.2) uses this
//! \deprecated Call pcmk_resource_id() instead
char *id; // Resource ID in configuration
- // Resource configuration (possibly expanded from template)
- xmlNode *xml;
-
// Original resource configuration, if using template
xmlNode *orig_xml;
// Configuration of resource operations (possibly expanded from template)
xmlNode *ops_xml;
pcmk_scheduler_t *cluster; // Cluster that resource is part of
pcmk_resource_t *parent; // Resource's parent resource, if any
enum pe_obj_types variant; // Resource variant
void *variant_opaque; // Variant-specific (and private) data
enum rsc_recovery_type recovery_type; // How to recover if failed
enum pe_restart restart_type; // \deprecated Do not use
int priority; // Configured priority
int stickiness; // Extra preference for current node
int sort_index; // Promotion score on assigned node
int failure_timeout; // Failure timeout
int migration_threshold; // Migration threshold
guint remote_reconnect_ms; // Retry interval for remote connections
char *pending_task; // Pending action in history, if any
// NOTE: sbd (as of at least 1.5.2) uses this
//! \deprecated Call pcmk_resource_is_managed() instead
unsigned long long flags; // Group of enum pcmk_rsc_flags
// @TODO Merge these into flags
gboolean is_remote_node; // Whether this is a remote connection
gboolean exclusive_discover; // Whether exclusive probing is enabled
/* Pay special attention to whether you want to use rsc_cons_lhs and
* rsc_cons directly, which include only colocations explicitly involving
* this resource, or call libpacemaker's pcmk__with_this_colocations() and
* pcmk__this_with_colocations() functions, which may return relevant
* colocations involving the resource's ancestors as well.
*/
GList *rsc_cons_lhs; // Colocations of other resources with this one
GList *rsc_cons; // Colocations of this resource with others
GList *rsc_location; // Location constraints for resource
GList *actions; // Actions scheduled for resource
GList *rsc_tickets; // Ticket constraints for resource
pcmk_node_t *allocated_to; // Node resource is assigned to
// The destination node, if migrate_to completed but migrate_from has not
pcmk_node_t *partial_migration_target;
// The source node, if migrate_to completed but migrate_from has not
pcmk_node_t *partial_migration_source;
// Nodes where resource may be active
GList *running_on;
// Nodes where resource has been probed (key is node ID, not name)
GHashTable *known_on;
// Nodes where resource may run (key is node ID, not name)
GHashTable *allowed_nodes;
enum rsc_role_e role; // Resource's current role
enum rsc_role_e next_role; // Resource's scheduled next role
GHashTable *meta; // Resource's meta-attributes
GHashTable *parameters; // \deprecated Use pe_rsc_params() instead
GHashTable *utilization; // Resource's utilization attributes
GList *children; // Resource's child resources, if any
// Source nodes where stop is needed after migrate_from and migrate_to
GList *dangling_migrations;
pcmk_resource_t *container; // Resource containing this one, if any
GList *fillers; // Resources contained by this one, if any
// @COMPAT These should be made const at next API compatibility break
pcmk_node_t *pending_node; // Node on which pending_task is happening
pcmk_node_t *lock_node; // Resource shutdown-locked to this node
time_t lock_time; // When shutdown lock started
/*
* Resource parameters may have node-attribute-based rules, which means the
* values can vary by node. This table has node names as keys and parameter
* name/value tables as values. Use pe_rsc_params() to get the table for a
* given node rather than use this directly.
*/
GHashTable *parameter_cache;
};
//!@}
const char *pcmk_resource_id(const pcmk_resource_t *rsc);
bool pcmk_resource_is_managed(const pcmk_resource_t *rsc);
#ifdef __cplusplus
}
#endif
#endif // PCMK__CRM_COMMON_RESOURCES__H
diff --git a/include/crm/common/resources_internal.h b/include/crm/common/resources_internal.h
index 8c73eb409f..8e9cbeabfa 100644
--- a/include/crm/common/resources_internal.h
+++ b/include/crm/common/resources_internal.h
@@ -1,222 +1,225 @@
/*
* Copyright 2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU Lesser General Public License
* version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
*/
#ifndef PCMK__CRM_COMMON_RESOURCES_INTERNAL__H
#define PCMK__CRM_COMMON_RESOURCES_INTERNAL__H
#include <glib.h> // gboolean, GList
#include <crm/common/resources.h> // enum rsc_recovery_type
#include <crm/common/roles.h> // enum rsc_role_e
#include <crm/common/scheduler_types.h> // pcmk_node_t, pcmk_resource_t, etc.
#ifdef __cplusplus
extern "C" {
#endif
/*!
* \internal
* \brief Set resource flags
*
* \param[in,out] resource Resource to set flags for
* \param[in] flags_to_set Group of enum pcmk_rsc_flags to set
*/
#define pcmk__set_rsc_flags(resource, flags_to_set) do { \
(resource)->flags = pcmk__set_flags_as(__func__, __LINE__, \
LOG_TRACE, "Resource", (resource)->id, (resource)->flags, \
(flags_to_set), #flags_to_set); \
} while (0)
/*!
* \internal
* \brief Clear resource flags
*
* \param[in,out] resource Resource to clear flags for
* \param[in] flags_to_clear Group of enum pcmk_rsc_flags to clear
*/
#define pcmk__clear_rsc_flags(resource, flags_to_clear) do { \
(resource)->flags = pcmk__clear_flags_as(__func__, __LINE__, \
LOG_TRACE, "Resource", (resource)->id, (resource)->flags, \
(flags_to_clear), #flags_to_clear); \
} while (0)
//! Resource assignment methods (implementation defined by libpacemaker)
typedef struct pcmk__assignment_methods pcmk__assignment_methods_t;
//! Resource object methods
typedef struct {
/*!
* \internal
* \brief Parse variant-specific resource XML from CIB into struct members
*
* \param[in,out] rsc Partially unpacked resource
* \param[in,out] scheduler Scheduler data
*
* \return TRUE if resource was unpacked successfully, otherwise FALSE
*/
gboolean (*unpack)(pcmk_resource_t *rsc, pcmk_scheduler_t *scheduler);
/*!
* \internal
* \brief Search for a resource ID in a resource and its children
*
* \param[in] rsc Search this resource and its children
* \param[in] id Search for this resource ID
* \param[in] on_node If not NULL, limit search to resources on this node
* \param[in] flags Group of enum pe_find flags
*
* \return Resource that matches search criteria if any, otherwise NULL
*/
pcmk_resource_t *(*find_rsc)(pcmk_resource_t *rsc, const char *search,
const pcmk_node_t *node, int flags);
/*!
* \internal
* \brief Get value of a resource instance attribute
*
* \param[in,out] rsc Resource to check
* \param[in] node Node to use to evaluate rules
* \param[in] create Ignored
* \param[in] name Name of instance attribute to check
* \param[in,out] scheduler Scheduler data
*
* \return Value of requested attribute if available, otherwise NULL
* \note The caller is responsible for freeing the result using free().
*/
char *(*parameter)(pcmk_resource_t *rsc, pcmk_node_t *node, gboolean create,
const char *name, pcmk_scheduler_t *scheduler);
/*!
* \internal
* \brief Check whether a resource is active
*
* \param[in] rsc Resource to check
* \param[in] all If \p rsc is collective, all instances must be active
*
* \return TRUE if \p rsc is active, otherwise FALSE
*/
gboolean (*active)(pcmk_resource_t *rsc, gboolean all);
/*!
* \internal
* \brief Get resource's current or assigned role
*
* \param[in] rsc Resource to check
* \param[in] current If TRUE, check current role, otherwise assigned role
*
* \return Current or assigned role of \p rsc
*/
enum rsc_role_e (*state)(const pcmk_resource_t *rsc, gboolean current);
/*!
* \internal
* \brief List nodes where a resource (or any of its children) is
*
* \param[in] rsc Resource to check
* \param[out] list List to add result to
* \param[in] current If 0, list nodes where \p rsc is assigned;
* if 1, where active; if 2, where active or pending
*
* \return If list contains only one node, that node, otherwise NULL
*/
pcmk_node_t *(*location)(const pcmk_resource_t *rsc, GList **list,
int current);
/*!
* \internal
* \brief Free all memory used by a resource
*
* \param[in,out] rsc Resource to free
*/
void (*free)(pcmk_resource_t *rsc);
/*!
* \internal
* \brief Increment cluster's instance counts for a resource
*
* Given a resource, increment its cluster's ninstances, disabled_resources,
* and blocked_resources counts for the resource and its descendants.
*
* \param[in,out] rsc Resource to count
*/
void (*count)(pcmk_resource_t *rsc);
/*!
* \internal
* \brief Check whether a given resource is in a list of resources
*
* \param[in] rsc Resource ID to check for
* \param[in] only_rsc List of resource IDs to check
* \param[in] check_parent If TRUE, check top ancestor as well
*
* \return TRUE if \p rsc, its top parent if requested, or '*' is in
* \p only_rsc, otherwise FALSE
*/
gboolean (*is_filtered)(const pcmk_resource_t *rsc, GList *only_rsc,
gboolean check_parent);
/*!
* \internal
* \brief Find a node (and optionally count all) where resource is active
*
* \param[in] rsc Resource to check
* \param[out] count_all If not NULL, set this to count of active nodes
* \param[out] count_clean If not NULL, set this to count of clean nodes
*
* \return A node where the resource is active, preferring the source node
* if the resource is involved in a partial migration, or a clean,
* online node if the resource's \c PCMK_META_REQUIRES is
* \c PCMK_VALUE_QUORUM or \c PCMK_VALUE_NOTHING, otherwise \c NULL.
*/
pcmk_node_t *(*active_node)(const pcmk_resource_t *rsc,
unsigned int *count_all,
unsigned int *count_clean);
/*!
* \internal
* \brief Get maximum resource instances per node
*
* \param[in] rsc Resource to check
*
* \return Maximum number of \p rsc instances that can be active on one node
*/
unsigned int (*max_per_node)(const pcmk_resource_t *rsc);
} pcmk__rsc_methods_t;
// Implementation of pcmk__resource_private_t
struct pcmk__resource_private {
char *history_id; // Resource instance ID in history
+ // Resource configuration (possibly expanded from template)
+ xmlNode *xml;
+
const pcmk__rsc_methods_t *fns; // Resource object methods
const pcmk__assignment_methods_t *cmds; // Resource assignment methods
};
const char *pcmk__multiply_active_text(enum rsc_recovery_type recovery);
/*!
* \internal
* \brief Get node where resource is currently active (if any)
*
* \param[in] rsc Resource to check
*
* \return Node that \p rsc is active on, if any, otherwise NULL
*/
static inline pcmk_node_t *
pcmk__current_node(const pcmk_resource_t *rsc)
{
if (rsc == NULL) {
return NULL;
}
return rsc->private->fns->active_node(rsc, NULL, NULL);
}
#ifdef __cplusplus
}
#endif
#endif // PCMK__CRM_COMMON_RESOURCES_INTERNAL__H
diff --git a/lib/pacemaker/pcmk_graph_producer.c b/lib/pacemaker/pcmk_graph_producer.c
index f6b4916486..7086867a3d 100644
--- a/lib/pacemaker/pcmk_graph_producer.c
+++ b/lib/pacemaker/pcmk_graph_producer.c
@@ -1,1095 +1,1095 @@
/*
* Copyright 2004-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU General Public License version 2
* or later (GPLv2+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <sys/param.h>
#include <crm/crm.h>
#include <crm/cib.h>
#include <crm/common/xml.h>
#include <glib.h>
#include <pacemaker-internal.h>
#include "libpacemaker_private.h"
// Convenience macros for logging action properties
#define action_type_str(flags) \
(pcmk_is_set((flags), pcmk_action_pseudo)? "pseudo-action" : "action")
#define action_optional_str(flags) \
(pcmk_is_set((flags), pcmk_action_optional)? "optional" : "required")
#define action_runnable_str(flags) \
(pcmk_is_set((flags), pcmk_action_runnable)? "runnable" : "unrunnable")
#define action_node_str(a) \
(((a)->node == NULL)? "no node" : (a)->node->details->uname)
/*!
* \internal
* \brief Add an XML node tag for a specified ID
*
* \param[in] id Node UUID to add
* \param[in,out] xml Parent XML tag to add to
*/
static xmlNode*
add_node_to_xml_by_id(const char *id, xmlNode *xml)
{
xmlNode *node_xml;
node_xml = pcmk__xe_create(xml, PCMK_XE_NODE);
crm_xml_add(node_xml, PCMK_XA_ID, id);
return node_xml;
}
/*!
* \internal
* \brief Add an XML node tag for a specified node
*
* \param[in] node Node to add
* \param[in,out] xml XML to add node to
*/
static void
add_node_to_xml(const pcmk_node_t *node, void *xml)
{
add_node_to_xml_by_id(node->details->id, (xmlNode *) xml);
}
/*!
* \internal
* \brief Count (optionally add to XML) nodes needing maintenance state update
*
* \param[in,out] xml Parent XML tag to add to, if any
* \param[in] scheduler Scheduler data
*
* \return Count of nodes added
* \note Only Pacemaker Remote nodes are considered currently
*/
static int
add_maintenance_nodes(xmlNode *xml, const pcmk_scheduler_t *scheduler)
{
xmlNode *maintenance = NULL;
int count = 0;
if (xml != NULL) {
maintenance = pcmk__xe_create(xml, PCMK__XE_MAINTENANCE);
}
for (const GList *iter = scheduler->nodes;
iter != NULL; iter = iter->next) {
const pcmk_node_t *node = iter->data;
if (pcmk__is_pacemaker_remote_node(node) &&
(node->details->maintenance != node->details->remote_maintenance)) {
if (maintenance != NULL) {
crm_xml_add(add_node_to_xml_by_id(node->details->id,
maintenance),
PCMK__XA_NODE_IN_MAINTENANCE,
(node->details->maintenance? "1" : "0"));
}
count++;
}
}
crm_trace("%s %d nodes in need of maintenance mode update in state",
((maintenance == NULL)? "Counted" : "Added"), count);
return count;
}
/*!
* \internal
* \brief Add pseudo action with nodes needing maintenance state update
*
* \param[in,out] scheduler Scheduler data
*/
static void
add_maintenance_update(pcmk_scheduler_t *scheduler)
{
pcmk_action_t *action = NULL;
if (add_maintenance_nodes(NULL, scheduler) != 0) {
action = get_pseudo_op(PCMK_ACTION_MAINTENANCE_NODES, scheduler);
pcmk__set_action_flags(action, pcmk_action_always_in_graph);
}
}
/*!
* \internal
* \brief Add XML with nodes that an action is expected to bring down
*
* If a specified action is expected to bring any nodes down, add an XML block
* with their UUIDs. When a node is lost, this allows the controller to
* determine whether it was expected.
*
* \param[in,out] xml Parent XML tag to add to
* \param[in] action Action to check for downed nodes
*/
static void
add_downed_nodes(xmlNode *xml, const pcmk_action_t *action)
{
CRM_CHECK((xml != NULL) && (action != NULL) && (action->node != NULL),
return);
if (pcmk__str_eq(action->task, PCMK_ACTION_DO_SHUTDOWN, pcmk__str_none)) {
/* Shutdown makes the action's node down */
xmlNode *downed = pcmk__xe_create(xml, PCMK__XE_DOWNED);
add_node_to_xml_by_id(action->node->details->id, downed);
} else if (pcmk__str_eq(action->task, PCMK_ACTION_STONITH,
pcmk__str_none)) {
/* Fencing makes the action's node and any hosted guest nodes down */
const char *fence = g_hash_table_lookup(action->meta,
PCMK__META_STONITH_ACTION);
if (pcmk__is_fencing_action(fence)) {
xmlNode *downed = pcmk__xe_create(xml, PCMK__XE_DOWNED);
add_node_to_xml_by_id(action->node->details->id, downed);
pe_foreach_guest_node(action->node->details->data_set,
action->node, add_node_to_xml, downed);
}
} else if (action->rsc && action->rsc->is_remote_node
&& pcmk__str_eq(action->task, PCMK_ACTION_STOP,
pcmk__str_none)) {
/* Stopping a remote connection resource makes connected node down,
* unless it's part of a migration
*/
GList *iter;
pcmk_action_t *input;
bool migrating = false;
for (iter = action->actions_before; iter != NULL; iter = iter->next) {
input = ((pcmk__related_action_t *) iter->data)->action;
if ((input->rsc != NULL)
&& pcmk__str_eq(action->rsc->id, input->rsc->id, pcmk__str_none)
&& pcmk__str_eq(input->task, PCMK_ACTION_MIGRATE_FROM,
pcmk__str_none)) {
migrating = true;
break;
}
}
if (!migrating) {
xmlNode *downed = pcmk__xe_create(xml, PCMK__XE_DOWNED);
add_node_to_xml_by_id(action->rsc->id, downed);
}
}
}
/*!
* \internal
* \brief Create a transition graph operation key for a clone action
*
* \param[in] action Clone action
* \param[in] interval_ms Action interval in milliseconds
*
* \return Newly allocated string with transition graph operation key
*/
static char *
clone_op_key(const pcmk_action_t *action, guint interval_ms)
{
if (pcmk__str_eq(action->task, PCMK_ACTION_NOTIFY, pcmk__str_none)) {
const char *n_type = g_hash_table_lookup(action->meta, "notify_type");
const char *n_task = g_hash_table_lookup(action->meta,
"notify_operation");
return pcmk__notify_key(action->rsc->private->history_id, n_type,
n_task);
}
return pcmk__op_key(action->rsc->private->history_id,
pcmk__s(action->cancel_task, action->task),
interval_ms);
}
/*!
* \internal
* \brief Add node details to transition graph action XML
*
* \param[in] action Scheduled action
* \param[in,out] xml Transition graph action XML for \p action
*/
static void
add_node_details(const pcmk_action_t *action, xmlNode *xml)
{
pcmk_node_t *router_node = pcmk__connection_host_for_action(action);
crm_xml_add(xml, PCMK__META_ON_NODE, action->node->details->uname);
crm_xml_add(xml, PCMK__META_ON_NODE_UUID, action->node->details->id);
if (router_node != NULL) {
crm_xml_add(xml, PCMK__XA_ROUTER_NODE, router_node->details->uname);
}
}
/*!
* \internal
* \brief Add resource details to transition graph action XML
*
* \param[in] action Scheduled action
* \param[in,out] action_xml Transition graph action XML for \p action
*/
static void
add_resource_details(const pcmk_action_t *action, xmlNode *action_xml)
{
xmlNode *rsc_xml = NULL;
const char *attr_list[] = {
PCMK_XA_CLASS,
PCMK_XA_PROVIDER,
PCMK_XA_TYPE,
};
/* If a resource is locked to a node via PCMK_OPT_SHUTDOWN_LOCK, mark its
* actions so the controller can preserve the lock when the action
* completes.
*/
if (pcmk__action_locks_rsc_to_node(action)) {
crm_xml_add_ll(action_xml, PCMK_OPT_SHUTDOWN_LOCK,
(long long) action->rsc->lock_time);
}
// List affected resource
rsc_xml = pcmk__xe_create(action_xml,
- (const char *) action->rsc->xml->name);
+ (const char *) action->rsc->private->xml->name);
if (pcmk_is_set(action->rsc->flags, pcmk_rsc_removed)
&& (action->rsc->private->history_id != NULL)) {
/* Use the numbered instance name here, because if there is more
* than one instance on a node, we need to make sure the command
* goes to the right one.
*
* This is important even for anonymous clones, because the clone's
* unique meta-attribute might have just been toggled from on to
* off.
*/
crm_debug("Using orphan clone name %s instead of history ID %s",
action->rsc->id, action->rsc->private->history_id);
crm_xml_add(rsc_xml, PCMK_XA_ID, action->rsc->private->history_id);
crm_xml_add(rsc_xml, PCMK__XA_LONG_ID, action->rsc->id);
} else if (!pcmk_is_set(action->rsc->flags, pcmk_rsc_unique)) {
- const char *xml_id = pcmk__xe_id(action->rsc->xml);
+ const char *xml_id = pcmk__xe_id(action->rsc->private->xml);
crm_debug("Using anonymous clone name %s for %s (aka %s)",
xml_id, action->rsc->id, action->rsc->private->history_id);
/* ID is what we'd like client to use
* LONG_ID is what they might know it as instead
*
* LONG_ID is only strictly needed /here/ during the
* transition period until all nodes in the cluster
* are running the new software /and/ have rebooted
* once (meaning that they've only ever spoken to a DC
* supporting this feature).
*
* If anyone toggles the unique flag to 'on', the
* 'instance free' name will correspond to an orphan
* and fall into the clause above instead
*/
crm_xml_add(rsc_xml, PCMK_XA_ID, xml_id);
if ((action->rsc->private->history_id != NULL)
&& !pcmk__str_eq(xml_id, action->rsc->private->history_id,
pcmk__str_none)) {
crm_xml_add(rsc_xml, PCMK__XA_LONG_ID,
action->rsc->private->history_id);
} else {
crm_xml_add(rsc_xml, PCMK__XA_LONG_ID, action->rsc->id);
}
} else {
CRM_ASSERT(action->rsc->private->history_id == NULL);
crm_xml_add(rsc_xml, PCMK_XA_ID, action->rsc->id);
}
for (int lpc = 0; lpc < PCMK__NELEM(attr_list); lpc++) {
crm_xml_add(rsc_xml, attr_list[lpc],
g_hash_table_lookup(action->rsc->meta, attr_list[lpc]));
}
}
/*!
* \internal
* \brief Add action attributes to transition graph action XML
*
* \param[in,out] action Scheduled action
* \param[in,out] action_xml Transition graph action XML for \p action
*/
static void
add_action_attributes(pcmk_action_t *action, xmlNode *action_xml)
{
xmlNode *args_xml = NULL;
/* We create free-standing XML to start, so we can sort the attributes
* before adding it to action_xml, which keeps the scheduler regression
* test graphs comparable.
*/
args_xml = pcmk__xe_create(NULL, PCMK__XE_ATTRIBUTES);
crm_xml_add(args_xml, PCMK_XA_CRM_FEATURE_SET, CRM_FEATURE_SET);
g_hash_table_foreach(action->extra, hash2field, args_xml);
if ((action->rsc != NULL) && (action->node != NULL)) {
// Get the resource instance attributes, evaluated properly for node
GHashTable *params = pe_rsc_params(action->rsc, action->node,
action->rsc->cluster);
pcmk__substitute_remote_addr(action->rsc, params);
g_hash_table_foreach(params, hash2smartfield, args_xml);
} else if ((action->rsc != NULL)
&& (action->rsc->variant <= pcmk_rsc_variant_primitive)) {
GHashTable *params = pe_rsc_params(action->rsc, NULL,
action->rsc->cluster);
g_hash_table_foreach(params, hash2smartfield, args_xml);
}
g_hash_table_foreach(action->meta, hash2metafield, args_xml);
if (action->rsc != NULL) {
pcmk_resource_t *parent = action->rsc;
while (parent != NULL) {
parent->private->cmds->add_graph_meta(parent, args_xml);
parent = parent->parent;
}
pcmk__add_guest_meta_to_xml(args_xml, action);
} else if (pcmk__str_eq(action->task, PCMK_ACTION_STONITH, pcmk__str_none)
&& (action->node != NULL)) {
/* Pass the node's attributes as meta-attributes.
*
* @TODO: Determine whether it is still necessary to do this. It was
* added in 33d99707, probably for the libfence-based implementation in
* c9a90bd, which is no longer used.
*/
g_hash_table_foreach(action->node->details->attrs, hash2metafield,
args_xml);
}
sorted_xml(args_xml, action_xml, FALSE);
pcmk__xml_free(args_xml);
}
/*!
* \internal
* \brief Create the transition graph XML for a scheduled action
*
* \param[in,out] parent Parent XML element to add action to
* \param[in,out] action Scheduled action
* \param[in] skip_details If false, add action details as sub-elements
* \param[in] scheduler Scheduler data
*/
static void
create_graph_action(xmlNode *parent, pcmk_action_t *action, bool skip_details,
const pcmk_scheduler_t *scheduler)
{
bool needs_node_info = true;
bool needs_maintenance_info = false;
xmlNode *action_xml = NULL;
if ((action == NULL) || (scheduler == NULL)) {
return;
}
// Create the top-level element based on task
if (pcmk__str_eq(action->task, PCMK_ACTION_STONITH, pcmk__str_none)) {
/* All fences need node info; guest node fences are pseudo-events */
if (pcmk_is_set(action->flags, pcmk_action_pseudo)) {
action_xml = pcmk__xe_create(parent, PCMK__XE_PSEUDO_EVENT);
} else {
action_xml = pcmk__xe_create(parent, PCMK__XE_CRM_EVENT);
}
} else if (pcmk__str_any_of(action->task,
PCMK_ACTION_DO_SHUTDOWN,
PCMK_ACTION_CLEAR_FAILCOUNT, NULL)) {
action_xml = pcmk__xe_create(parent, PCMK__XE_CRM_EVENT);
} else if (pcmk__str_eq(action->task, PCMK_ACTION_LRM_DELETE,
pcmk__str_none)) {
// CIB-only clean-up for shutdown locks
action_xml = pcmk__xe_create(parent, PCMK__XE_CRM_EVENT);
crm_xml_add(action_xml, PCMK__XA_MODE, PCMK__VALUE_CIB);
} else if (pcmk_is_set(action->flags, pcmk_action_pseudo)) {
if (pcmk__str_eq(action->task, PCMK_ACTION_MAINTENANCE_NODES,
pcmk__str_none)) {
needs_maintenance_info = true;
}
action_xml = pcmk__xe_create(parent, PCMK__XE_PSEUDO_EVENT);
needs_node_info = false;
} else {
action_xml = pcmk__xe_create(parent, PCMK__XE_RSC_OP);
}
crm_xml_add_int(action_xml, PCMK_XA_ID, action->id);
crm_xml_add(action_xml, PCMK_XA_OPERATION, action->task);
if ((action->rsc != NULL) && (action->rsc->private->history_id != NULL)) {
char *clone_key = NULL;
guint interval_ms;
if (pcmk__guint_from_hash(action->meta, PCMK_META_INTERVAL, 0,
&interval_ms) != pcmk_rc_ok) {
interval_ms = 0;
}
clone_key = clone_op_key(action, interval_ms);
crm_xml_add(action_xml, PCMK__XA_OPERATION_KEY, clone_key);
crm_xml_add(action_xml, "internal_" PCMK__XA_OPERATION_KEY,
action->uuid);
free(clone_key);
} else {
crm_xml_add(action_xml, PCMK__XA_OPERATION_KEY, action->uuid);
}
if (needs_node_info && (action->node != NULL)) {
add_node_details(action, action_xml);
pcmk__insert_dup(action->meta, PCMK__META_ON_NODE,
action->node->details->uname);
pcmk__insert_dup(action->meta, PCMK__META_ON_NODE_UUID,
action->node->details->id);
}
if (skip_details) {
return;
}
if ((action->rsc != NULL)
&& !pcmk_is_set(action->flags, pcmk_action_pseudo)) {
// This is a real resource action, so add resource details
add_resource_details(action, action_xml);
}
/* List any attributes in effect */
add_action_attributes(action, action_xml);
/* List any nodes this action is expected to make down */
if (needs_node_info && (action->node != NULL)) {
add_downed_nodes(action_xml, action);
}
if (needs_maintenance_info) {
add_maintenance_nodes(action_xml, scheduler);
}
}
/*!
* \internal
* \brief Check whether an action should be added to the transition graph
*
* \param[in] action Action to check
*
* \return true if action should be added to graph, otherwise false
*/
static bool
should_add_action_to_graph(const pcmk_action_t *action)
{
if (!pcmk_is_set(action->flags, pcmk_action_runnable)) {
crm_trace("Ignoring action %s (%d): unrunnable",
action->uuid, action->id);
return false;
}
if (pcmk_is_set(action->flags, pcmk_action_optional)
&& !pcmk_is_set(action->flags, pcmk_action_always_in_graph)) {
crm_trace("Ignoring action %s (%d): optional",
action->uuid, action->id);
return false;
}
/* Actions for unmanaged resources should be excluded from the graph,
* with the exception of monitors and cancellation of recurring monitors.
*/
if ((action->rsc != NULL)
&& !pcmk_is_set(action->rsc->flags, pcmk_rsc_managed)
&& !pcmk__str_eq(action->task, PCMK_ACTION_MONITOR, pcmk__str_none)) {
const char *interval_ms_s;
/* A cancellation of a recurring monitor will get here because the task
* is cancel rather than monitor, but the interval can still be used to
* recognize it. The interval has been normalized to milliseconds by
* this point, so a string comparison is sufficient.
*/
interval_ms_s = g_hash_table_lookup(action->meta, PCMK_META_INTERVAL);
if (pcmk__str_eq(interval_ms_s, "0", pcmk__str_null_matches)) {
crm_trace("Ignoring action %s (%d): for unmanaged resource (%s)",
action->uuid, action->id, action->rsc->id);
return false;
}
}
/* Always add pseudo-actions, fence actions, and shutdown actions (already
* determined to be required and runnable by this point)
*/
if (pcmk_is_set(action->flags, pcmk_action_pseudo)
|| pcmk__strcase_any_of(action->task, PCMK_ACTION_STONITH,
PCMK_ACTION_DO_SHUTDOWN, NULL)) {
return true;
}
if (action->node == NULL) {
pcmk__sched_err("Skipping action %s (%d) "
"because it was not assigned to a node (bug?)",
action->uuid, action->id);
pcmk__log_action("Unassigned", action, false);
return false;
}
if (pcmk_is_set(action->flags, pcmk_action_on_dc)) {
crm_trace("Action %s (%d) should be dumped: "
"can run on DC instead of %s",
action->uuid, action->id, pcmk__node_name(action->node));
} else if (pcmk__is_guest_or_bundle_node(action->node)
&& !action->node->details->remote_requires_reset) {
crm_trace("Action %s (%d) should be dumped: "
"assuming will be runnable on guest %s",
action->uuid, action->id, pcmk__node_name(action->node));
} else if (!action->node->details->online) {
pcmk__sched_err("Skipping action %s (%d) "
"because it was scheduled for offline node (bug?)",
action->uuid, action->id);
pcmk__log_action("Offline node", action, false);
return false;
} else if (action->node->details->unclean) {
pcmk__sched_err("Skipping action %s (%d) "
"because it was scheduled for unclean node (bug?)",
action->uuid, action->id);
pcmk__log_action("Unclean node", action, false);
return false;
}
return true;
}
/*!
* \internal
* \brief Check whether an ordering's flags can change an action
*
* \param[in] ordering Ordering to check
*
* \return true if ordering has flags that can change an action, false otherwise
*/
static bool
ordering_can_change_actions(const pcmk__related_action_t *ordering)
{
return pcmk_any_flags_set(ordering->type,
~(pcmk__ar_then_implies_first_graphed
|pcmk__ar_first_implies_then_graphed
|pcmk__ar_ordered));
}
/*!
* \internal
* \brief Check whether an action input should be in the transition graph
*
* \param[in] action Action to check
* \param[in,out] input Action input to check
*
* \return true if input should be in graph, false otherwise
* \note This function may not only check an input, but disable it under certian
* circumstances (load or anti-colocation orderings that are not needed).
*/
static bool
should_add_input_to_graph(const pcmk_action_t *action,
pcmk__related_action_t *input)
{
if (input->state == pe_link_dumped) {
return true;
}
if ((uint32_t) input->type == pcmk__ar_none) {
crm_trace("Ignoring %s (%d) input %s (%d): "
"ordering disabled",
action->uuid, action->id,
input->action->uuid, input->action->id);
return false;
} else if (!pcmk_is_set(input->action->flags, pcmk_action_runnable)
&& !ordering_can_change_actions(input)) {
crm_trace("Ignoring %s (%d) input %s (%d): "
"optional and input unrunnable",
action->uuid, action->id,
input->action->uuid, input->action->id);
return false;
} else if (!pcmk_is_set(input->action->flags, pcmk_action_runnable)
&& pcmk_is_set(input->type, pcmk__ar_min_runnable)) {
crm_trace("Ignoring %s (%d) input %s (%d): "
"minimum number of instances required but input unrunnable",
action->uuid, action->id,
input->action->uuid, input->action->id);
return false;
} else if (pcmk_is_set(input->type, pcmk__ar_unmigratable_then_blocks)
&& !pcmk_is_set(input->action->flags, pcmk_action_runnable)) {
crm_trace("Ignoring %s (%d) input %s (%d): "
"input blocked if 'then' unmigratable",
action->uuid, action->id,
input->action->uuid, input->action->id);
return false;
} else if (pcmk_is_set(input->type, pcmk__ar_if_first_unmigratable)
&& pcmk_is_set(input->action->flags, pcmk_action_migratable)) {
crm_trace("Ignoring %s (%d) input %s (%d): ordering applies "
"only if input is unmigratable, but it is migratable",
action->uuid, action->id,
input->action->uuid, input->action->id);
return false;
} else if (((uint32_t) input->type == pcmk__ar_ordered)
&& pcmk_is_set(input->action->flags, pcmk_action_migratable)
&& pcmk__ends_with(input->action->uuid, "_stop_0")) {
crm_trace("Ignoring %s (%d) input %s (%d): "
"optional but stop in migration",
action->uuid, action->id,
input->action->uuid, input->action->id);
return false;
} else if ((uint32_t) input->type == pcmk__ar_if_on_same_node_or_target) {
pcmk_node_t *input_node = input->action->node;
if ((action->rsc != NULL)
&& pcmk__str_eq(action->task, PCMK_ACTION_MIGRATE_TO,
pcmk__str_none)) {
pcmk_node_t *assigned = action->rsc->allocated_to;
/* For load_stopped -> migrate_to orderings, we care about where
* the resource has been assigned, not where migrate_to will be
* executed.
*/
if (!pcmk__same_node(input_node, assigned)) {
crm_trace("Ignoring %s (%d) input %s (%d): "
"migration target %s is not same as input node %s",
action->uuid, action->id,
input->action->uuid, input->action->id,
(assigned? assigned->details->uname : "<none>"),
(input_node? input_node->details->uname : "<none>"));
input->type = (enum pe_ordering) pcmk__ar_none;
return false;
}
} else if (!pcmk__same_node(input_node, action->node)) {
crm_trace("Ignoring %s (%d) input %s (%d): "
"not on same node (%s vs %s)",
action->uuid, action->id,
input->action->uuid, input->action->id,
(action->node? action->node->details->uname : "<none>"),
(input_node? input_node->details->uname : "<none>"));
input->type = (enum pe_ordering) pcmk__ar_none;
return false;
} else if (pcmk_is_set(input->action->flags, pcmk_action_optional)) {
crm_trace("Ignoring %s (%d) input %s (%d): "
"ordering optional",
action->uuid, action->id,
input->action->uuid, input->action->id);
input->type = (enum pe_ordering) pcmk__ar_none;
return false;
}
} else if ((uint32_t) input->type == pcmk__ar_if_required_on_same_node) {
if (input->action->node && action->node
&& !pcmk__same_node(input->action->node, action->node)) {
crm_trace("Ignoring %s (%d) input %s (%d): "
"not on same node (%s vs %s)",
action->uuid, action->id,
input->action->uuid, input->action->id,
pcmk__node_name(action->node),
pcmk__node_name(input->action->node));
input->type = (enum pe_ordering) pcmk__ar_none;
return false;
} else if (pcmk_is_set(input->action->flags, pcmk_action_optional)) {
crm_trace("Ignoring %s (%d) input %s (%d): optional",
action->uuid, action->id,
input->action->uuid, input->action->id);
input->type = (enum pe_ordering) pcmk__ar_none;
return false;
}
} else if (input->action->rsc
&& input->action->rsc != action->rsc
&& pcmk_is_set(input->action->rsc->flags, pcmk_rsc_failed)
&& !pcmk_is_set(input->action->rsc->flags, pcmk_rsc_managed)
&& pcmk__ends_with(input->action->uuid, "_stop_0")
&& pcmk__is_clone(action->rsc)) {
crm_warn("Ignoring requirement that %s complete before %s:"
" unmanaged failed resources cannot prevent clone shutdown",
input->action->uuid, action->uuid);
return false;
} else if (pcmk_is_set(input->action->flags, pcmk_action_optional)
&& !pcmk_any_flags_set(input->action->flags,
pcmk_action_always_in_graph
|pcmk_action_added_to_graph)
&& !should_add_action_to_graph(input->action)) {
crm_trace("Ignoring %s (%d) input %s (%d): "
"input optional",
action->uuid, action->id,
input->action->uuid, input->action->id);
return false;
}
crm_trace("%s (%d) input %s %s (%d) on %s should be dumped: %s %s %#.6x",
action->uuid, action->id, action_type_str(input->action->flags),
input->action->uuid, input->action->id,
action_node_str(input->action),
action_runnable_str(input->action->flags),
action_optional_str(input->action->flags), input->type);
return true;
}
/*!
* \internal
* \brief Check whether an ordering creates an ordering loop
*
* \param[in] init_action "First" action in ordering
* \param[in] action Callers should always set this the same as
* \p init_action (this function may use a different
* value for recursive calls)
* \param[in,out] input Action wrapper for "then" action in ordering
*
* \return true if the ordering creates a loop, otherwise false
*/
bool
pcmk__graph_has_loop(const pcmk_action_t *init_action,
const pcmk_action_t *action, pcmk__related_action_t *input)
{
bool has_loop = false;
if (pcmk_is_set(input->action->flags, pcmk_action_detect_loop)) {
crm_trace("Breaking tracking loop: %s@%s -> %s@%s (%#.6x)",
input->action->uuid,
input->action->node? input->action->node->details->uname : "",
action->uuid,
action->node? action->node->details->uname : "",
input->type);
return false;
}
// Don't need to check inputs that won't be used
if (!should_add_input_to_graph(action, input)) {
return false;
}
if (input->action == init_action) {
crm_debug("Input loop found in %s@%s ->...-> %s@%s",
action->uuid,
action->node? action->node->details->uname : "",
init_action->uuid,
init_action->node? init_action->node->details->uname : "");
return true;
}
pcmk__set_action_flags(input->action, pcmk_action_detect_loop);
crm_trace("Checking inputs of action %s@%s input %s@%s (%#.6x)"
"for graph loop with %s@%s ",
action->uuid,
action->node? action->node->details->uname : "",
input->action->uuid,
input->action->node? input->action->node->details->uname : "",
input->type,
init_action->uuid,
init_action->node? init_action->node->details->uname : "");
// Recursively check input itself for loops
for (GList *iter = input->action->actions_before;
iter != NULL; iter = iter->next) {
if (pcmk__graph_has_loop(init_action, input->action,
(pcmk__related_action_t *) iter->data)) {
// Recursive call already logged a debug message
has_loop = true;
break;
}
}
pcmk__clear_action_flags(input->action, pcmk_action_detect_loop);
if (!has_loop) {
crm_trace("No input loop found in %s@%s -> %s@%s (%#.6x)",
input->action->uuid,
input->action->node? input->action->node->details->uname : "",
action->uuid,
action->node? action->node->details->uname : "",
input->type);
}
return has_loop;
}
/*!
* \internal
* \brief Create a synapse XML element for a transition graph
*
* \param[in] action Action that synapse is for
* \param[in,out] scheduler Scheduler data containing graph
*
* \return Newly added XML element for new graph synapse
*/
static xmlNode *
create_graph_synapse(const pcmk_action_t *action, pcmk_scheduler_t *scheduler)
{
int synapse_priority = 0;
xmlNode *syn = pcmk__xe_create(scheduler->graph, "synapse");
crm_xml_add_int(syn, PCMK_XA_ID, scheduler->num_synapse);
scheduler->num_synapse++;
if (action->rsc != NULL) {
synapse_priority = action->rsc->priority;
}
if (action->priority > synapse_priority) {
synapse_priority = action->priority;
}
if (synapse_priority > 0) {
crm_xml_add_int(syn, PCMK__XA_PRIORITY, synapse_priority);
}
return syn;
}
/*!
* \internal
* \brief Add an action to the transition graph XML if appropriate
*
* \param[in,out] data Action to possibly add
* \param[in,out] user_data Scheduler data
*
* \note This will de-duplicate the action inputs, meaning that the
* pcmk__related_action_t:type flags can no longer be relied on to retain
* their original settings. That means this MUST be called after
* pcmk__apply_orderings() is complete, and nothing after this should rely
* on those type flags. (For example, some code looks for type equal to
* some flag rather than whether the flag is set, and some code looks for
* particular combinations of flags -- such code must be done before
* pcmk__create_graph().)
*/
static void
add_action_to_graph(gpointer data, gpointer user_data)
{
pcmk_action_t *action = (pcmk_action_t *) data;
pcmk_scheduler_t *scheduler = (pcmk_scheduler_t *) user_data;
xmlNode *syn = NULL;
xmlNode *set = NULL;
xmlNode *in = NULL;
/* If we haven't already, de-duplicate inputs (even if we won't be adding
* the action to the graph, so that crm_simulate's dot graphs don't have
* duplicates).
*/
if (!pcmk_is_set(action->flags, pcmk_action_inputs_deduplicated)) {
pcmk__deduplicate_action_inputs(action);
pcmk__set_action_flags(action, pcmk_action_inputs_deduplicated);
}
if (pcmk_is_set(action->flags, pcmk_action_added_to_graph)
|| !should_add_action_to_graph(action)) {
return; // Already added, or shouldn't be
}
pcmk__set_action_flags(action, pcmk_action_added_to_graph);
crm_trace("Adding action %d (%s%s%s) to graph",
action->id, action->uuid,
((action->node == NULL)? "" : " on "),
((action->node == NULL)? "" : action->node->details->uname));
syn = create_graph_synapse(action, scheduler);
set = pcmk__xe_create(syn, "action_set");
in = pcmk__xe_create(syn, "inputs");
create_graph_action(set, action, false, scheduler);
for (GList *lpc = action->actions_before; lpc != NULL; lpc = lpc->next) {
pcmk__related_action_t *input = lpc->data;
if (should_add_input_to_graph(action, input)) {
xmlNode *input_xml = pcmk__xe_create(in, "trigger");
input->state = pe_link_dumped;
create_graph_action(input_xml, input->action, true, scheduler);
}
}
}
static int transition_id = -1;
/*!
* \internal
* \brief Log a message after calculating a transition
*
* \param[in] filename Where transition input is stored
*/
void
pcmk__log_transition_summary(const char *filename)
{
if (was_processing_error || crm_config_error) {
crm_err("Calculated transition %d (with errors)%s%s",
transition_id,
(filename == NULL)? "" : ", saving inputs in ",
(filename == NULL)? "" : filename);
} else if (was_processing_warning || crm_config_warning) {
crm_warn("Calculated transition %d (with warnings)%s%s",
transition_id,
(filename == NULL)? "" : ", saving inputs in ",
(filename == NULL)? "" : filename);
} else {
crm_notice("Calculated transition %d%s%s",
transition_id,
(filename == NULL)? "" : ", saving inputs in ",
(filename == NULL)? "" : filename);
}
if (crm_config_error) {
crm_notice("Configuration errors found during scheduler processing,"
" please run \"crm_verify -L\" to identify issues");
}
}
/*!
* \internal
* \brief Add a resource's actions to the transition graph
*
* \param[in,out] rsc Resource whose actions should be added
*/
void
pcmk__add_rsc_actions_to_graph(pcmk_resource_t *rsc)
{
GList *iter = NULL;
CRM_ASSERT(rsc != NULL);
pcmk__rsc_trace(rsc, "Adding actions for %s to graph", rsc->id);
// First add the resource's own actions
g_list_foreach(rsc->actions, add_action_to_graph, rsc->cluster);
// Then recursively add its children's actions (appropriate to variant)
for (iter = rsc->children; iter != NULL; iter = iter->next) {
pcmk_resource_t *child_rsc = (pcmk_resource_t *) iter->data;
child_rsc->private->cmds->add_actions_to_graph(child_rsc);
}
}
/*!
* \internal
* \brief Create a transition graph with all cluster actions needed
*
* \param[in,out] scheduler Scheduler data
*/
void
pcmk__create_graph(pcmk_scheduler_t *scheduler)
{
GList *iter = NULL;
const char *value = NULL;
long long limit = 0LL;
GHashTable *config_hash = scheduler->config_hash;
transition_id++;
crm_trace("Creating transition graph %d", transition_id);
scheduler->graph = pcmk__xe_create(NULL, PCMK__XE_TRANSITION_GRAPH);
value = pcmk__cluster_option(config_hash, PCMK_OPT_CLUSTER_DELAY);
crm_xml_add(scheduler->graph, PCMK_OPT_CLUSTER_DELAY, value);
value = pcmk__cluster_option(config_hash, PCMK_OPT_STONITH_TIMEOUT);
crm_xml_add(scheduler->graph, PCMK_OPT_STONITH_TIMEOUT, value);
crm_xml_add(scheduler->graph, "failed-stop-offset", "INFINITY");
if (pcmk_is_set(scheduler->flags, pcmk_sched_start_failure_fatal)) {
crm_xml_add(scheduler->graph, "failed-start-offset", "INFINITY");
} else {
crm_xml_add(scheduler->graph, "failed-start-offset", "1");
}
value = pcmk__cluster_option(config_hash, PCMK_OPT_BATCH_LIMIT);
crm_xml_add(scheduler->graph, PCMK_OPT_BATCH_LIMIT, value);
crm_xml_add_int(scheduler->graph, "transition_id", transition_id);
value = pcmk__cluster_option(config_hash, PCMK_OPT_MIGRATION_LIMIT);
if ((pcmk__scan_ll(value, &limit, 0LL) == pcmk_rc_ok) && (limit > 0)) {
crm_xml_add(scheduler->graph, PCMK_OPT_MIGRATION_LIMIT, value);
}
if (scheduler->recheck_by > 0) {
char *recheck_epoch = NULL;
recheck_epoch = crm_strdup_printf("%llu",
(long long) scheduler->recheck_by);
crm_xml_add(scheduler->graph, "recheck-by", recheck_epoch);
free(recheck_epoch);
}
/* The following code will de-duplicate action inputs, so nothing past this
* should rely on the action input type flags retaining their original
* values.
*/
// Add resource actions to graph
for (iter = scheduler->resources; iter != NULL; iter = iter->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data;
pcmk__rsc_trace(rsc, "Processing actions for %s", rsc->id);
rsc->private->cmds->add_actions_to_graph(rsc);
}
// Add pseudo-action for list of nodes with maintenance state update
add_maintenance_update(scheduler);
// Add non-resource (node) actions
for (iter = scheduler->actions; iter != NULL; iter = iter->next) {
pcmk_action_t *action = (pcmk_action_t *) iter->data;
if ((action->rsc != NULL)
&& (action->node != NULL)
&& action->node->details->shutdown
&& !pcmk_is_set(action->rsc->flags, pcmk_rsc_maintenance)
&& !pcmk_any_flags_set(action->flags,
pcmk_action_optional|pcmk_action_runnable)
&& pcmk__str_eq(action->task, PCMK_ACTION_STOP, pcmk__str_none)) {
/* Eventually we should just ignore the 'fence' case, but for now
* it's the best way to detect (in CTS) when CIB resource updates
* are being lost.
*/
if (pcmk_is_set(scheduler->flags, pcmk_sched_quorate)
|| (scheduler->no_quorum_policy == pcmk_no_quorum_ignore)) {
const bool managed = pcmk_is_set(action->rsc->flags,
pcmk_rsc_managed);
const bool failed = pcmk_is_set(action->rsc->flags,
pcmk_rsc_failed);
crm_crit("Cannot %s %s because of %s:%s%s (%s)",
action->node->details->unclean? "fence" : "shut down",
pcmk__node_name(action->node), action->rsc->id,
(managed? " blocked" : " unmanaged"),
(failed? " failed" : ""), action->uuid);
}
}
add_action_to_graph((gpointer) action, (gpointer) scheduler);
}
crm_log_xml_trace(scheduler->graph, "graph");
}
diff --git a/lib/pacemaker/pcmk_injections.c b/lib/pacemaker/pcmk_injections.c
index 561eb44cd4..75198085ff 100644
--- a/lib/pacemaker/pcmk_injections.c
+++ b/lib/pacemaker/pcmk_injections.c
@@ -1,786 +1,786 @@
/*
* Copyright 2009-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU General Public License version 2
* or later (GPLv2+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/param.h>
#include <sys/types.h>
#include <dirent.h>
#include <crm/crm.h>
#include <crm/cib.h>
#include <crm/cib/internal.h>
#include <crm/common/util.h>
#include <crm/common/iso8601.h>
#include <crm/common/xml_internal.h>
#include <crm/lrmd_events.h> // lrmd_event_data_t, etc.
#include <crm/lrmd_internal.h>
#include <crm/pengine/status.h>
#include <pacemaker-internal.h>
#include "libpacemaker_private.h"
bool pcmk__simulate_node_config = false;
#define XPATH_NODE_CONFIG "//" PCMK_XE_NODE "[@" PCMK_XA_UNAME "='%s']"
#define XPATH_NODE_STATE "//" PCMK__XE_NODE_STATE "[@" PCMK_XA_UNAME "='%s']"
#define XPATH_NODE_STATE_BY_ID "//" PCMK__XE_NODE_STATE "[@" PCMK_XA_ID "='%s']"
#define XPATH_RSC_HISTORY XPATH_NODE_STATE \
"//" PCMK__XE_LRM_RESOURCE "[@" PCMK_XA_ID "='%s']"
/*!
* \internal
* \brief Inject a fictitious transient node attribute into scheduler input
*
* \param[in,out] out Output object for displaying error messages
* \param[in,out] cib_node \c PCMK__XE_NODE_STATE XML to inject attribute into
* \param[in] name Transient node attribute name to inject
* \param[in] value Transient node attribute value to inject
*/
static void
inject_transient_attr(pcmk__output_t *out, xmlNode *cib_node,
const char *name, const char *value)
{
xmlNode *attrs = NULL;
xmlNode *instance_attrs = NULL;
const char *node_uuid = pcmk__xe_id(cib_node);
out->message(out, "inject-attr", name, value, cib_node);
attrs = pcmk__xe_first_child(cib_node, PCMK__XE_TRANSIENT_ATTRIBUTES, NULL,
NULL);
if (attrs == NULL) {
attrs = pcmk__xe_create(cib_node, PCMK__XE_TRANSIENT_ATTRIBUTES);
crm_xml_add(attrs, PCMK_XA_ID, node_uuid);
}
instance_attrs = pcmk__xe_first_child(attrs, PCMK_XE_INSTANCE_ATTRIBUTES,
NULL, NULL);
if (instance_attrs == NULL) {
instance_attrs = pcmk__xe_create(attrs, PCMK_XE_INSTANCE_ATTRIBUTES);
crm_xml_add(instance_attrs, PCMK_XA_ID, node_uuid);
}
crm_create_nvpair_xml(instance_attrs, NULL, name, value);
}
/*!
* \internal
* \brief Inject a fictitious fail count into a scheduler input
*
* \param[in,out] out Output object for displaying error messages
* \param[in,out] cib_conn CIB connection
* \param[in,out] cib_node Node state XML to inject into
* \param[in] resource ID of resource for fail count to inject
* \param[in] task Action name for fail count to inject
* \param[in] interval_ms Action interval (in milliseconds) for fail count
* \param[in] exit_status Action result for fail count to inject (if
* \c PCMK_OCF_OK, or \c PCMK_OCF_NOT_RUNNING when
* \p interval_ms is 0, inject nothing)
*/
void
pcmk__inject_failcount(pcmk__output_t *out, cib_t *cib_conn, xmlNode *cib_node,
const char *resource, const char *task,
guint interval_ms, int exit_status)
{
char *name = NULL;
char *value = NULL;
int failcount = 0;
xmlNode *output = NULL;
CRM_CHECK((out != NULL) && (cib_conn != NULL) && (cib_node != NULL)
&& (resource != NULL) && (task != NULL), return);
if ((exit_status == PCMK_OCF_OK)
|| ((exit_status == PCMK_OCF_NOT_RUNNING) && (interval_ms == 0))) {
return;
}
// Get current failcount and increment it
name = pcmk__failcount_name(resource, task, interval_ms);
if (cib__get_node_attrs(out, cib_conn, PCMK_XE_STATUS,
pcmk__xe_id(cib_node), NULL, NULL, NULL, name,
NULL, &output) == pcmk_rc_ok) {
if (crm_element_value_int(output, name, &failcount) != 0) {
failcount = 0;
}
}
value = pcmk__itoa(failcount + 1);
inject_transient_attr(out, cib_node, name, value);
free(name);
free(value);
pcmk__xml_free(output);
name = pcmk__lastfailure_name(resource, task, interval_ms);
value = pcmk__ttoa(time(NULL));
inject_transient_attr(out, cib_node, name, value);
free(name);
free(value);
}
/*!
* \internal
* \brief Create a CIB configuration entry for a fictitious node
*
* \param[in,out] cib_conn CIB object to use
* \param[in] node Node name to use
*/
static void
create_node_entry(cib_t *cib_conn, const char *node)
{
int rc = pcmk_ok;
char *xpath = crm_strdup_printf(XPATH_NODE_CONFIG, node);
rc = cib_conn->cmds->query(cib_conn, xpath, NULL,
cib_xpath|cib_sync_call|cib_scope_local);
if (rc == -ENXIO) { // Only add if not already existing
xmlNode *cib_object = pcmk__xe_create(NULL, PCMK_XE_NODE);
crm_xml_add(cib_object, PCMK_XA_ID, node); // Use node name as ID
crm_xml_add(cib_object, PCMK_XA_UNAME, node);
cib_conn->cmds->create(cib_conn, PCMK_XE_NODES, cib_object,
cib_sync_call|cib_scope_local);
/* Not bothering with subsequent query to see if it exists,
we'll bomb out later in the call to query_node_uuid()... */
pcmk__xml_free(cib_object);
}
free(xpath);
}
/*!
* \internal
* \brief Synthesize a fake executor event for an action
*
* \param[in] cib_resource XML for any existing resource action history
* \param[in] task Name of action to synthesize
* \param[in] interval_ms Interval of action to synthesize
* \param[in] outcome Result of action to synthesize
*
* \return Newly allocated executor event
* \note It is the caller's responsibility to free the result with
* lrmd_free_event().
*/
static lrmd_event_data_t *
create_op(const xmlNode *cib_resource, const char *task, guint interval_ms,
int outcome)
{
lrmd_event_data_t *op = NULL;
xmlNode *xop = NULL;
op = lrmd_new_event(pcmk__xe_id(cib_resource), task, interval_ms);
lrmd__set_result(op, outcome, PCMK_EXEC_DONE, "Simulated action result");
op->params = NULL; // Not needed for simulation purposes
op->t_run = (unsigned int) time(NULL);
op->t_rcchange = op->t_run;
// Use a call ID higher than any existing history entries
op->call_id = 0;
for (xop = pcmk__xe_first_child(cib_resource, NULL, NULL, NULL);
xop != NULL; xop = pcmk__xe_next(xop)) {
int tmp = 0;
crm_element_value_int(xop, PCMK__XA_CALL_ID, &tmp);
if (tmp > op->call_id) {
op->call_id = tmp;
}
}
op->call_id++;
return op;
}
/*!
* \internal
* \brief Inject a fictitious resource history entry into a scheduler input
*
* \param[in,out] cib_resource Resource history XML to inject entry into
* \param[in,out] op Action result to inject
* \param[in] target_rc Expected result for action to inject
*
* \return XML of injected resource history entry
*/
xmlNode *
pcmk__inject_action_result(xmlNode *cib_resource, lrmd_event_data_t *op,
int target_rc)
{
return pcmk__create_history_xml(cib_resource, op, CRM_FEATURE_SET,
target_rc, NULL, crm_system_name);
}
/*!
* \internal
* \brief Inject a fictitious node into a scheduler input
*
* \param[in,out] cib_conn Scheduler input CIB to inject node into
* \param[in] node Name of node to inject
* \param[in] uuid UUID of node to inject
*
* \return XML of \c PCMK__XE_NODE_STATE entry for new node
* \note If the global pcmk__simulate_node_config has been set to true, a
* node entry in the configuration section will be added, as well as a
* node state entry in the status section.
*/
xmlNode *
pcmk__inject_node(cib_t *cib_conn, const char *node, const char *uuid)
{
int rc = pcmk_ok;
xmlNode *cib_object = NULL;
char *xpath = crm_strdup_printf(XPATH_NODE_STATE, node);
bool duplicate = false;
char *found_uuid = NULL;
if (pcmk__simulate_node_config) {
create_node_entry(cib_conn, node);
}
rc = cib_conn->cmds->query(cib_conn, xpath, &cib_object,
cib_xpath|cib_sync_call|cib_scope_local);
if ((cib_object != NULL) && (pcmk__xe_id(cib_object) == NULL)) {
crm_err("Detected multiple " PCMK__XE_NODE_STATE " entries for "
"xpath=%s, bailing",
xpath);
duplicate = true;
goto done;
}
if (rc == -ENXIO) {
if (uuid == NULL) {
query_node_uuid(cib_conn, node, &found_uuid, NULL);
} else {
found_uuid = strdup(uuid);
}
if (found_uuid) {
char *xpath_by_uuid = crm_strdup_printf(XPATH_NODE_STATE_BY_ID,
found_uuid);
/* It's possible that a PCMK__XE_NODE_STATE entry doesn't have a
* PCMK_XA_UNAME yet
*/
rc = cib_conn->cmds->query(cib_conn, xpath_by_uuid, &cib_object,
cib_xpath|cib_sync_call|cib_scope_local);
if ((cib_object != NULL) && (pcmk__xe_id(cib_object) == NULL)) {
crm_err("Can't inject node state for %s because multiple "
"state entries found for ID %s", node, found_uuid);
duplicate = true;
free(xpath_by_uuid);
goto done;
} else if (cib_object != NULL) {
crm_xml_add(cib_object, PCMK_XA_UNAME, node);
rc = cib_conn->cmds->modify(cib_conn, PCMK_XE_STATUS,
cib_object,
cib_sync_call|cib_scope_local);
}
free(xpath_by_uuid);
}
}
if (rc == -ENXIO) {
cib_object = pcmk__xe_create(NULL, PCMK__XE_NODE_STATE);
crm_xml_add(cib_object, PCMK_XA_ID, found_uuid);
crm_xml_add(cib_object, PCMK_XA_UNAME, node);
cib_conn->cmds->create(cib_conn, PCMK_XE_STATUS, cib_object,
cib_sync_call|cib_scope_local);
pcmk__xml_free(cib_object);
rc = cib_conn->cmds->query(cib_conn, xpath, &cib_object,
cib_xpath|cib_sync_call|cib_scope_local);
crm_trace("Injecting node state for %s (rc=%d)", node, rc);
}
done:
free(found_uuid);
free(xpath);
if (duplicate) {
crm_log_xml_warn(cib_object, "Duplicates");
crm_exit(CRM_EX_SOFTWARE);
return NULL; // not reached, but makes static analysis happy
}
CRM_ASSERT(rc == pcmk_ok);
return cib_object;
}
/*!
* \internal
* \brief Inject a fictitious node state change into a scheduler input
*
* \param[in,out] cib_conn Scheduler input CIB to inject into
* \param[in] node Name of node to inject change for
* \param[in] up If true, change state to online, otherwise offline
*
* \return XML of changed (or added) node state entry
*/
xmlNode *
pcmk__inject_node_state_change(cib_t *cib_conn, const char *node, bool up)
{
xmlNode *cib_node = pcmk__inject_node(cib_conn, node, NULL);
if (up) {
pcmk__xe_set_props(cib_node,
PCMK__XA_IN_CCM, PCMK_VALUE_TRUE,
PCMK_XA_CRMD, PCMK_VALUE_ONLINE,
PCMK__XA_JOIN, CRMD_JOINSTATE_MEMBER,
PCMK_XA_EXPECTED, CRMD_JOINSTATE_MEMBER,
NULL);
} else {
pcmk__xe_set_props(cib_node,
PCMK__XA_IN_CCM, PCMK_VALUE_FALSE,
PCMK_XA_CRMD, PCMK_VALUE_OFFLINE,
PCMK__XA_JOIN, CRMD_JOINSTATE_DOWN,
PCMK_XA_EXPECTED, CRMD_JOINSTATE_DOWN,
NULL);
}
crm_xml_add(cib_node, PCMK_XA_CRM_DEBUG_ORIGIN, crm_system_name);
return cib_node;
}
/*!
* \internal
* \brief Check whether a node has history for a given resource
*
* \param[in,out] cib_node Node state XML to check
* \param[in] resource Resource name to check for
*
* \return Resource's \c PCMK__XE_LRM_RESOURCE XML entry beneath \p cib_node if
* found, otherwise \c NULL
*/
static xmlNode *
find_resource_xml(xmlNode *cib_node, const char *resource)
{
const char *node = crm_element_value(cib_node, PCMK_XA_UNAME);
char *xpath = crm_strdup_printf(XPATH_RSC_HISTORY, node, resource);
xmlNode *match = get_xpath_object(xpath, cib_node, LOG_TRACE);
free(xpath);
return match;
}
/*!
* \internal
* \brief Inject a resource history element into a scheduler input
*
* \param[in,out] out Output object for displaying error messages
* \param[in,out] cib_node Node state XML to inject resource history entry into
* \param[in] resource ID (in configuration) of resource to inject
* \param[in] lrm_name ID as used in history (could be clone instance)
* \param[in] rclass Resource agent class of resource to inject
* \param[in] rtype Resource agent type of resource to inject
* \param[in] rprovider Resource agent provider of resource to inject
*
* \return XML of injected resource history element
* \note If a history element already exists under either \p resource or
* \p lrm_name, this will return it rather than injecting a new one.
*/
xmlNode *
pcmk__inject_resource_history(pcmk__output_t *out, xmlNode *cib_node,
const char *resource, const char *lrm_name,
const char *rclass, const char *rtype,
const char *rprovider)
{
xmlNode *lrm = NULL;
xmlNode *container = NULL;
xmlNode *cib_resource = NULL;
cib_resource = find_resource_xml(cib_node, resource);
if (cib_resource != NULL) {
/* If an existing LRM history entry uses the resource name,
* continue using it, even if lrm_name is different.
*/
return cib_resource;
}
// Check for history entry under preferred name
if (strcmp(resource, lrm_name) != 0) {
cib_resource = find_resource_xml(cib_node, lrm_name);
if (cib_resource != NULL) {
return cib_resource;
}
}
if ((rclass == NULL) || (rtype == NULL)) {
// @TODO query configuration for class, provider, type
out->err(out,
"Resource %s not found in the status section of %s "
"(supply class and type to continue)",
resource, pcmk__xe_id(cib_node));
return NULL;
} else if (!pcmk__strcase_any_of(rclass,
PCMK_RESOURCE_CLASS_OCF,
PCMK_RESOURCE_CLASS_STONITH,
PCMK_RESOURCE_CLASS_SERVICE,
PCMK_RESOURCE_CLASS_UPSTART,
PCMK_RESOURCE_CLASS_SYSTEMD,
PCMK_RESOURCE_CLASS_LSB, NULL)) {
out->err(out, "Invalid class for %s: %s", resource, rclass);
return NULL;
} else if (pcmk_is_set(pcmk_get_ra_caps(rclass), pcmk_ra_cap_provider)
&& (rprovider == NULL)) {
// @TODO query configuration for provider
out->err(out, "Please specify the provider for resource %s", resource);
return NULL;
}
crm_info("Injecting new resource %s into node state '%s'",
lrm_name, pcmk__xe_id(cib_node));
lrm = pcmk__xe_first_child(cib_node, PCMK__XE_LRM, NULL, NULL);
if (lrm == NULL) {
const char *node_uuid = pcmk__xe_id(cib_node);
lrm = pcmk__xe_create(cib_node, PCMK__XE_LRM);
crm_xml_add(lrm, PCMK_XA_ID, node_uuid);
}
container = pcmk__xe_first_child(lrm, PCMK__XE_LRM_RESOURCES, NULL, NULL);
if (container == NULL) {
container = pcmk__xe_create(lrm, PCMK__XE_LRM_RESOURCES);
}
cib_resource = pcmk__xe_create(container, PCMK__XE_LRM_RESOURCE);
// If we're creating a new entry, use the preferred name
crm_xml_add(cib_resource, PCMK_XA_ID, lrm_name);
crm_xml_add(cib_resource, PCMK_XA_CLASS, rclass);
crm_xml_add(cib_resource, PCMK_XA_PROVIDER, rprovider);
crm_xml_add(cib_resource, PCMK_XA_TYPE, rtype);
return cib_resource;
}
/*!
* \internal
* \brief Inject a ticket attribute into ticket state
*
* \param[in,out] out Output object for displaying error messages
* \param[in] ticket_id Ticket whose state should be changed
* \param[in] attr_name Ticket attribute name to inject
* \param[in] attr_value Boolean value of ticket attribute to inject
* \param[in,out] cib CIB object to use
*
* \return Standard Pacemaker return code
*/
static int
set_ticket_state_attr(pcmk__output_t *out, const char *ticket_id,
const char *attr_name, bool attr_value, cib_t *cib)
{
int rc = pcmk_rc_ok;
xmlNode *xml_top = NULL;
xmlNode *ticket_state_xml = NULL;
// Check for an existing ticket state entry
rc = pcmk__get_ticket_state(cib, ticket_id, &ticket_state_xml);
if (rc == pcmk_rc_duplicate_id) {
out->err(out, "Multiple " PCMK__XE_TICKET_STATE "s match ticket_id=%s",
ticket_id);
rc = pcmk_rc_ok;
}
if (rc == pcmk_rc_ok) { // Ticket state found, use it
crm_debug("Injecting attribute into existing ticket state %s",
ticket_id);
xml_top = ticket_state_xml;
} else if (rc == ENXIO) { // No ticket state, create it
xmlNode *xml_obj = NULL;
xml_top = pcmk__xe_create(NULL, PCMK_XE_STATUS);
xml_obj = pcmk__xe_create(xml_top, PCMK_XE_TICKETS);
ticket_state_xml = pcmk__xe_create(xml_obj, PCMK__XE_TICKET_STATE);
crm_xml_add(ticket_state_xml, PCMK_XA_ID, ticket_id);
} else { // Error
return rc;
}
// Add the attribute to the ticket state
pcmk__xe_set_bool_attr(ticket_state_xml, attr_name, attr_value);
crm_log_xml_debug(xml_top, "Update");
// Commit the change to the CIB
rc = cib->cmds->modify(cib, PCMK_XE_STATUS, xml_top,
cib_sync_call|cib_scope_local);
rc = pcmk_legacy2rc(rc);
pcmk__xml_free(xml_top);
return rc;
}
/*!
* \internal
* \brief Inject a fictitious action into the cluster
*
* \param[in,out] out Output object for displaying error messages
* \param[in] spec Action specification to inject
* \param[in,out] cib CIB object for scheduler input
* \param[in] scheduler Scheduler data
*/
static void
inject_action(pcmk__output_t *out, const char *spec, cib_t *cib,
const pcmk_scheduler_t *scheduler)
{
int rc;
int outcome = PCMK_OCF_OK;
guint interval_ms = 0;
char *key = NULL;
char *node = NULL;
char *task = NULL;
char *resource = NULL;
const char *rtype = NULL;
const char *rclass = NULL;
const char *rprovider = NULL;
xmlNode *cib_op = NULL;
xmlNode *cib_node = NULL;
xmlNode *cib_resource = NULL;
const pcmk_resource_t *rsc = NULL;
lrmd_event_data_t *op = NULL;
out->message(out, "inject-spec", spec);
key = pcmk__assert_alloc(1, strlen(spec) + 1);
node = pcmk__assert_alloc(1, strlen(spec) + 1);
rc = sscanf(spec, "%[^@]@%[^=]=%d", key, node, &outcome);
if (rc != 3) {
out->err(out, "Invalid operation spec: %s. Only found %d fields",
spec, rc);
goto done;
}
parse_op_key(key, &resource, &task, &interval_ms);
rsc = pe_find_resource(scheduler->resources, resource);
if (rsc == NULL) {
out->err(out, "Invalid resource name: %s", resource);
goto done;
}
- rclass = crm_element_value(rsc->xml, PCMK_XA_CLASS);
- rtype = crm_element_value(rsc->xml, PCMK_XA_TYPE);
- rprovider = crm_element_value(rsc->xml, PCMK_XA_PROVIDER);
+ rclass = crm_element_value(rsc->private->xml, PCMK_XA_CLASS);
+ rtype = crm_element_value(rsc->private->xml, PCMK_XA_TYPE);
+ rprovider = crm_element_value(rsc->private->xml, PCMK_XA_PROVIDER);
cib_node = pcmk__inject_node(cib, node, NULL);
CRM_ASSERT(cib_node != NULL);
pcmk__inject_failcount(out, cib, cib_node, resource, task, interval_ms,
outcome);
cib_resource = pcmk__inject_resource_history(out, cib_node,
resource, resource,
rclass, rtype, rprovider);
CRM_ASSERT(cib_resource != NULL);
op = create_op(cib_resource, task, interval_ms, outcome);
CRM_ASSERT(op != NULL);
cib_op = pcmk__inject_action_result(cib_resource, op, 0);
CRM_ASSERT(cib_op != NULL);
lrmd_free_event(op);
rc = cib->cmds->modify(cib, PCMK_XE_STATUS, cib_node,
cib_sync_call|cib_scope_local);
CRM_ASSERT(rc == pcmk_ok);
done:
free(task);
free(node);
free(key);
}
/*!
* \internal
* \brief Inject fictitious scheduler inputs
*
* \param[in,out] scheduler Scheduler data
* \param[in,out] cib CIB object for scheduler input to modify
* \param[in] injections Injections to apply
*/
void
pcmk__inject_scheduler_input(pcmk_scheduler_t *scheduler, cib_t *cib,
const pcmk_injections_t *injections)
{
int rc = pcmk_ok;
const GList *iter = NULL;
xmlNode *cib_node = NULL;
pcmk__output_t *out = scheduler->priv;
out->message(out, "inject-modify-config", injections->quorum,
injections->watchdog);
if (injections->quorum != NULL) {
xmlNode *top = pcmk__xe_create(NULL, PCMK_XE_CIB);
/* crm_xml_add(top, PCMK_XA_DC_UUID, dc_uuid); */
crm_xml_add(top, PCMK_XA_HAVE_QUORUM, injections->quorum);
rc = cib->cmds->modify(cib, NULL, top, cib_sync_call|cib_scope_local);
CRM_ASSERT(rc == pcmk_ok);
}
if (injections->watchdog != NULL) {
rc = cib__update_node_attr(out, cib, cib_sync_call|cib_scope_local,
PCMK_XE_CRM_CONFIG, NULL, NULL, NULL,
NULL, PCMK_OPT_HAVE_WATCHDOG,
injections->watchdog, NULL, NULL);
CRM_ASSERT(rc == pcmk_rc_ok);
}
for (iter = injections->node_up; iter != NULL; iter = iter->next) {
const char *node = (const char *) iter->data;
out->message(out, "inject-modify-node", "Online", node);
cib_node = pcmk__inject_node_state_change(cib, node, true);
CRM_ASSERT(cib_node != NULL);
rc = cib->cmds->modify(cib, PCMK_XE_STATUS, cib_node,
cib_sync_call|cib_scope_local);
CRM_ASSERT(rc == pcmk_ok);
pcmk__xml_free(cib_node);
}
for (iter = injections->node_down; iter != NULL; iter = iter->next) {
const char *node = (const char *) iter->data;
char *xpath = NULL;
out->message(out, "inject-modify-node", "Offline", node);
cib_node = pcmk__inject_node_state_change(cib, node, false);
CRM_ASSERT(cib_node != NULL);
rc = cib->cmds->modify(cib, PCMK_XE_STATUS, cib_node,
cib_sync_call|cib_scope_local);
CRM_ASSERT(rc == pcmk_ok);
pcmk__xml_free(cib_node);
xpath = crm_strdup_printf("//" PCMK__XE_NODE_STATE
"[@" PCMK_XA_UNAME "='%s']"
"/" PCMK__XE_LRM,
node);
cib->cmds->remove(cib, xpath, NULL,
cib_xpath|cib_sync_call|cib_scope_local);
free(xpath);
xpath = crm_strdup_printf("//" PCMK__XE_NODE_STATE
"[@" PCMK_XA_UNAME "='%s']"
"/" PCMK__XE_TRANSIENT_ATTRIBUTES,
node);
cib->cmds->remove(cib, xpath, NULL,
cib_xpath|cib_sync_call|cib_scope_local);
free(xpath);
}
for (iter = injections->node_fail; iter != NULL; iter = iter->next) {
const char *node = (const char *) iter->data;
out->message(out, "inject-modify-node", "Failing", node);
cib_node = pcmk__inject_node_state_change(cib, node, true);
crm_xml_add(cib_node, PCMK__XA_IN_CCM, PCMK_VALUE_FALSE);
CRM_ASSERT(cib_node != NULL);
rc = cib->cmds->modify(cib, PCMK_XE_STATUS, cib_node,
cib_sync_call|cib_scope_local);
CRM_ASSERT(rc == pcmk_ok);
pcmk__xml_free(cib_node);
}
for (iter = injections->ticket_grant; iter != NULL; iter = iter->next) {
const char *ticket_id = (const char *) iter->data;
out->message(out, "inject-modify-ticket", "Granting", ticket_id);
rc = set_ticket_state_attr(out, ticket_id, PCMK__XA_GRANTED, true, cib);
CRM_ASSERT(rc == pcmk_rc_ok);
}
for (iter = injections->ticket_revoke; iter != NULL; iter = iter->next) {
const char *ticket_id = (const char *) iter->data;
out->message(out, "inject-modify-ticket", "Revoking", ticket_id);
rc = set_ticket_state_attr(out, ticket_id, PCMK__XA_GRANTED, false,
cib);
CRM_ASSERT(rc == pcmk_rc_ok);
}
for (iter = injections->ticket_standby; iter != NULL; iter = iter->next) {
const char *ticket_id = (const char *) iter->data;
out->message(out, "inject-modify-ticket", "Standby", ticket_id);
rc = set_ticket_state_attr(out, ticket_id, PCMK_XA_STANDBY, true, cib);
CRM_ASSERT(rc == pcmk_rc_ok);
}
for (iter = injections->ticket_activate; iter != NULL; iter = iter->next) {
const char *ticket_id = (const char *) iter->data;
out->message(out, "inject-modify-ticket", "Activating", ticket_id);
rc = set_ticket_state_attr(out, ticket_id, PCMK_XA_STANDBY, false, cib);
CRM_ASSERT(rc == pcmk_rc_ok);
}
for (iter = injections->op_inject; iter != NULL; iter = iter->next) {
inject_action(out, (const char *) iter->data, cib, scheduler);
}
if (!out->is_quiet(out)) {
out->end_list(out);
}
}
void
pcmk_free_injections(pcmk_injections_t *injections)
{
if (injections == NULL) {
return;
}
g_list_free_full(injections->node_up, g_free);
g_list_free_full(injections->node_down, g_free);
g_list_free_full(injections->node_fail, g_free);
g_list_free_full(injections->op_fail, g_free);
g_list_free_full(injections->op_inject, g_free);
g_list_free_full(injections->ticket_grant, g_free);
g_list_free_full(injections->ticket_revoke, g_free);
g_list_free_full(injections->ticket_standby, g_free);
g_list_free_full(injections->ticket_activate, g_free);
free(injections->quorum);
free(injections->watchdog);
free(injections);
}
diff --git a/lib/pacemaker/pcmk_sched_bundle.c b/lib/pacemaker/pcmk_sched_bundle.c
index 6f5a209f01..9c8e9b40e0 100644
--- a/lib/pacemaker/pcmk_sched_bundle.c
+++ b/lib/pacemaker/pcmk_sched_bundle.c
@@ -1,1052 +1,1053 @@
/*
* Copyright 2004-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU General Public License version 2
* or later (GPLv2+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <stdbool.h>
#include <crm/common/xml.h>
#include <pacemaker-internal.h>
#include "libpacemaker_private.h"
struct assign_data {
const pcmk_node_t *prefer;
bool stop_if_fail;
};
/*!
* \internal
* \brief Assign a single bundle replica's resources (other than container)
*
* \param[in,out] replica Replica to assign
* \param[in] user_data Preferred node, if any
*
* \return true (to indicate that any further replicas should be processed)
*/
static bool
assign_replica(pcmk__bundle_replica_t *replica, void *user_data)
{
pcmk_node_t *container_host = NULL;
struct assign_data *assign_data = user_data;
const pcmk_node_t *prefer = assign_data->prefer;
bool stop_if_fail = assign_data->stop_if_fail;
const pcmk_resource_t *bundle = pe__const_top_resource(replica->container,
true);
if (replica->ip != NULL) {
pcmk__rsc_trace(bundle, "Assigning bundle %s IP %s",
bundle->id, replica->ip->id);
replica->ip->private->cmds->assign(replica->ip, prefer, stop_if_fail);
}
container_host = replica->container->allocated_to;
if (replica->remote != NULL) {
if (pcmk__is_pacemaker_remote_node(container_host)) {
/* REMOTE_CONTAINER_HACK: "Nested" connection resources must be on
* the same host because Pacemaker Remote only supports a single
* active connection.
*/
pcmk__new_colocation("#replica-remote-with-host-remote", NULL,
PCMK_SCORE_INFINITY, replica->remote,
container_host->details->remote_rsc, NULL,
NULL, pcmk__coloc_influence);
}
pcmk__rsc_trace(bundle, "Assigning bundle %s connection %s",
bundle->id, replica->remote->id);
replica->remote->private->cmds->assign(replica->remote, prefer,
stop_if_fail);
}
if (replica->child != NULL) {
pcmk_node_t *node = NULL;
GHashTableIter iter;
g_hash_table_iter_init(&iter, replica->child->allowed_nodes);
while (g_hash_table_iter_next(&iter, NULL, (gpointer *) &node)) {
if (!pcmk__same_node(node, replica->node)) {
node->weight = -PCMK_SCORE_INFINITY;
} else if (!pcmk__threshold_reached(replica->child, node, NULL)) {
node->weight = PCMK_SCORE_INFINITY;
}
}
pcmk__set_rsc_flags(replica->child->parent, pcmk_rsc_assigning);
pcmk__rsc_trace(bundle, "Assigning bundle %s replica child %s",
bundle->id, replica->child->id);
replica->child->private->cmds->assign(replica->child, replica->node,
stop_if_fail);
pcmk__clear_rsc_flags(replica->child->parent, pcmk_rsc_assigning);
}
return true;
}
/*!
* \internal
* \brief Assign a bundle resource to a node
*
* \param[in,out] rsc Resource to assign to a node
* \param[in] prefer Node to prefer, if all else is equal
* \param[in] stop_if_fail If \c true and a primitive descendant of \p rsc
* can't be assigned to a node, set the
* descendant's next role to stopped and update
* existing actions
*
* \return Node that \p rsc is assigned to, if assigned entirely to one node
*
* \note If \p stop_if_fail is \c false, then \c pcmk__unassign_resource() can
* completely undo the assignment. A successful assignment can be either
* undone or left alone as final. A failed assignment has the same effect
* as calling pcmk__unassign_resource(); there are no side effects on
* roles or actions.
*/
pcmk_node_t *
pcmk__bundle_assign(pcmk_resource_t *rsc, const pcmk_node_t *prefer,
bool stop_if_fail)
{
GList *containers = NULL;
pcmk_resource_t *bundled_resource = NULL;
struct assign_data assign_data = { prefer, stop_if_fail };
CRM_ASSERT(pcmk__is_bundle(rsc));
pcmk__rsc_trace(rsc, "Assigning bundle %s", rsc->id);
pcmk__set_rsc_flags(rsc, pcmk_rsc_assigning);
pe__show_node_scores(!pcmk_is_set(rsc->cluster->flags,
pcmk_sched_output_scores),
rsc, __func__, rsc->allowed_nodes, rsc->cluster);
// Assign all containers first, so we know what nodes the bundle will be on
containers = g_list_sort(pe__bundle_containers(rsc), pcmk__cmp_instance);
pcmk__assign_instances(rsc, containers, pe__bundle_max(rsc),
rsc->private->fns->max_per_node(rsc));
g_list_free(containers);
// Then assign remaining replica resources
pe__foreach_bundle_replica(rsc, assign_replica, (void *) &assign_data);
// Finally, assign the bundled resources to each bundle node
bundled_resource = pe__bundled_resource(rsc);
if (bundled_resource != NULL) {
pcmk_node_t *node = NULL;
GHashTableIter iter;
g_hash_table_iter_init(&iter, bundled_resource->allowed_nodes);
while (g_hash_table_iter_next(&iter, NULL, (gpointer *) & node)) {
if (pe__node_is_bundle_instance(rsc, node)) {
node->weight = 0;
} else {
node->weight = -PCMK_SCORE_INFINITY;
}
}
bundled_resource->private->cmds->assign(bundled_resource, prefer,
stop_if_fail);
}
pcmk__clear_rsc_flags(rsc, pcmk_rsc_assigning|pcmk_rsc_unassigned);
return NULL;
}
/*!
* \internal
* \brief Create actions for a bundle replica's resources (other than child)
*
* \param[in,out] replica Replica to create actions for
* \param[in] user_data Unused
*
* \return true (to indicate that any further replicas should be processed)
*/
static bool
create_replica_actions(pcmk__bundle_replica_t *replica, void *user_data)
{
if (replica->ip != NULL) {
replica->ip->private->cmds->create_actions(replica->ip);
}
if (replica->container != NULL) {
replica->container->private->cmds->create_actions(replica->container);
}
if (replica->remote != NULL) {
replica->remote->private->cmds->create_actions(replica->remote);
}
return true;
}
/*!
* \internal
* \brief Create all actions needed for a given bundle resource
*
* \param[in,out] rsc Bundle resource to create actions for
*/
void
pcmk__bundle_create_actions(pcmk_resource_t *rsc)
{
pcmk_action_t *action = NULL;
GList *containers = NULL;
pcmk_resource_t *bundled_resource = NULL;
CRM_ASSERT(pcmk__is_bundle(rsc));
pe__foreach_bundle_replica(rsc, create_replica_actions, NULL);
containers = pe__bundle_containers(rsc);
pcmk__create_instance_actions(rsc, containers);
g_list_free(containers);
bundled_resource = pe__bundled_resource(rsc);
if (bundled_resource != NULL) {
bundled_resource->private->cmds->create_actions(bundled_resource);
if (pcmk_is_set(bundled_resource->flags, pcmk_rsc_promotable)) {
pe__new_rsc_pseudo_action(rsc, PCMK_ACTION_PROMOTE, true, true);
action = pe__new_rsc_pseudo_action(rsc, PCMK_ACTION_PROMOTED,
true, true);
action->priority = PCMK_SCORE_INFINITY;
pe__new_rsc_pseudo_action(rsc, PCMK_ACTION_DEMOTE, true, true);
action = pe__new_rsc_pseudo_action(rsc, PCMK_ACTION_DEMOTED,
true, true);
action->priority = PCMK_SCORE_INFINITY;
}
}
}
/*!
* \internal
* \brief Create internal constraints for a bundle replica's resources
*
* \param[in,out] replica Replica to create internal constraints for
* \param[in,out] user_data Replica's parent bundle
*
* \return true (to indicate that any further replicas should be processed)
*/
static bool
replica_internal_constraints(pcmk__bundle_replica_t *replica, void *user_data)
{
pcmk_resource_t *bundle = user_data;
replica->container->private->cmds->internal_constraints(replica->container);
// Start bundle -> start replica container
pcmk__order_starts(bundle, replica->container,
pcmk__ar_unrunnable_first_blocks
|pcmk__ar_then_implies_first_graphed);
// Stop bundle -> stop replica child and container
if (replica->child != NULL) {
pcmk__order_stops(bundle, replica->child,
pcmk__ar_then_implies_first_graphed);
}
pcmk__order_stops(bundle, replica->container,
pcmk__ar_then_implies_first_graphed);
// Start replica container -> bundle is started
pcmk__order_resource_actions(replica->container, PCMK_ACTION_START, bundle,
PCMK_ACTION_RUNNING,
pcmk__ar_first_implies_then_graphed);
// Stop replica container -> bundle is stopped
pcmk__order_resource_actions(replica->container, PCMK_ACTION_STOP, bundle,
PCMK_ACTION_STOPPED,
pcmk__ar_first_implies_then_graphed);
if (replica->ip != NULL) {
replica->ip->private->cmds->internal_constraints(replica->ip);
// Replica IP address -> replica container (symmetric)
pcmk__order_starts(replica->ip, replica->container,
pcmk__ar_unrunnable_first_blocks
|pcmk__ar_guest_allowed);
pcmk__order_stops(replica->container, replica->ip,
pcmk__ar_then_implies_first|pcmk__ar_guest_allowed);
pcmk__new_colocation("#ip-with-container", NULL, PCMK_SCORE_INFINITY,
replica->ip, replica->container, NULL, NULL,
pcmk__coloc_influence);
}
if (replica->remote != NULL) {
/* This handles ordering and colocating remote relative to container
* (via "#resource-with-container"). Since IP is also ordered and
* colocated relative to the container, we don't need to do anything
* explicit here with IP.
*/
replica->remote->private->cmds->internal_constraints(replica->remote);
}
if (replica->child != NULL) {
CRM_ASSERT(replica->remote != NULL);
// "Start remote then child" is implicit in scheduler's remote logic
}
return true;
}
/*!
* \internal
* \brief Create implicit constraints needed for a bundle resource
*
* \param[in,out] rsc Bundle resource to create implicit constraints for
*/
void
pcmk__bundle_internal_constraints(pcmk_resource_t *rsc)
{
pcmk_resource_t *bundled_resource = NULL;
CRM_ASSERT(pcmk__is_bundle(rsc));
pe__foreach_bundle_replica(rsc, replica_internal_constraints, rsc);
bundled_resource = pe__bundled_resource(rsc);
if (bundled_resource == NULL) {
return;
}
// Start bundle -> start bundled clone
pcmk__order_resource_actions(rsc, PCMK_ACTION_START, bundled_resource,
PCMK_ACTION_START,
pcmk__ar_then_implies_first_graphed);
// Bundled clone is started -> bundle is started
pcmk__order_resource_actions(bundled_resource, PCMK_ACTION_RUNNING,
rsc, PCMK_ACTION_RUNNING,
pcmk__ar_first_implies_then_graphed);
// Stop bundle -> stop bundled clone
pcmk__order_resource_actions(rsc, PCMK_ACTION_STOP, bundled_resource,
PCMK_ACTION_STOP,
pcmk__ar_then_implies_first_graphed);
// Bundled clone is stopped -> bundle is stopped
pcmk__order_resource_actions(bundled_resource, PCMK_ACTION_STOPPED,
rsc, PCMK_ACTION_STOPPED,
pcmk__ar_first_implies_then_graphed);
bundled_resource->private->cmds->internal_constraints(bundled_resource);
if (!pcmk_is_set(bundled_resource->flags, pcmk_rsc_promotable)) {
return;
}
pcmk__promotable_restart_ordering(rsc);
// Demote bundle -> demote bundled clone
pcmk__order_resource_actions(rsc, PCMK_ACTION_DEMOTE, bundled_resource,
PCMK_ACTION_DEMOTE,
pcmk__ar_then_implies_first_graphed);
// Bundled clone is demoted -> bundle is demoted
pcmk__order_resource_actions(bundled_resource, PCMK_ACTION_DEMOTED,
rsc, PCMK_ACTION_DEMOTED,
pcmk__ar_first_implies_then_graphed);
// Promote bundle -> promote bundled clone
pcmk__order_resource_actions(rsc, PCMK_ACTION_PROMOTE,
bundled_resource, PCMK_ACTION_PROMOTE,
pcmk__ar_then_implies_first_graphed);
// Bundled clone is promoted -> bundle is promoted
pcmk__order_resource_actions(bundled_resource, PCMK_ACTION_PROMOTED,
rsc, PCMK_ACTION_PROMOTED,
pcmk__ar_first_implies_then_graphed);
}
struct match_data {
const pcmk_node_t *node; // Node to compare against replica
pcmk_resource_t *container; // Replica container corresponding to node
};
/*!
* \internal
* \brief Check whether a replica container is assigned to a given node
*
* \param[in] replica Replica to check
* \param[in,out] user_data struct match_data with node to compare against
*
* \return true if the replica does not match (to indicate further replicas
* should be processed), otherwise false
*/
static bool
match_replica_container(const pcmk__bundle_replica_t *replica, void *user_data)
{
struct match_data *match_data = user_data;
if (pcmk__instance_matches(replica->container, match_data->node,
pcmk_role_unknown, false)) {
match_data->container = replica->container;
return false; // Match found, don't bother searching further replicas
}
return true; // No match, keep searching
}
/*!
* \internal
* \brief Get the host to which a bundle node is assigned
*
* \param[in] node Possible bundle node to check
*
* \return Node to which the container for \p node is assigned if \p node is a
* bundle node, otherwise \p node itself
*/
static const pcmk_node_t *
get_bundle_node_host(const pcmk_node_t *node)
{
if (pcmk__is_bundle_node(node)) {
const pcmk_resource_t *container = node->details->remote_rsc->container;
return container->private->fns->location(container, NULL, 0);
}
return node;
}
/*!
* \internal
* \brief Find a bundle container compatible with a dependent resource
*
* \param[in] dependent Dependent resource in colocation with bundle
* \param[in] bundle Bundle that \p dependent is colocated with
*
* \return A container from \p bundle assigned to the same node as \p dependent
* if assigned, otherwise assigned to any of dependent's allowed nodes,
* otherwise NULL.
*/
static pcmk_resource_t *
compatible_container(const pcmk_resource_t *dependent,
const pcmk_resource_t *bundle)
{
GList *scratch = NULL;
struct match_data match_data = { NULL, NULL };
// If dependent is assigned, only check there
match_data.node = dependent->private->fns->location(dependent, NULL, 0);
match_data.node = get_bundle_node_host(match_data.node);
if (match_data.node != NULL) {
pe__foreach_const_bundle_replica(bundle, match_replica_container,
&match_data);
return match_data.container;
}
// Otherwise, check for any of the dependent's allowed nodes
scratch = g_hash_table_get_values(dependent->allowed_nodes);
scratch = pcmk__sort_nodes(scratch, NULL);
for (const GList *iter = scratch; iter != NULL; iter = iter->next) {
match_data.node = iter->data;
match_data.node = get_bundle_node_host(match_data.node);
if (match_data.node == NULL) {
continue;
}
pe__foreach_const_bundle_replica(bundle, match_replica_container,
&match_data);
if (match_data.container != NULL) {
break;
}
}
g_list_free(scratch);
return match_data.container;
}
struct coloc_data {
const pcmk__colocation_t *colocation;
pcmk_resource_t *dependent;
GList *container_hosts;
};
/*!
* \internal
* \brief Apply a colocation score to replica node scores or resource priority
*
* \param[in] replica Replica of primary bundle resource in colocation
* \param[in,out] user_data struct coloc_data for colocation being applied
*
* \return true (to indicate that any further replicas should be processed)
*/
static bool
replica_apply_coloc_score(const pcmk__bundle_replica_t *replica,
void *user_data)
{
struct coloc_data *coloc_data = user_data;
pcmk_node_t *chosen = NULL;
pcmk_resource_t *container = replica->container;
if (coloc_data->colocation->score < PCMK_SCORE_INFINITY) {
container->private->cmds->apply_coloc_score(coloc_data->dependent,
container,
coloc_data->colocation,
false);
return true;
}
chosen = container->private->fns->location(container, NULL, 0);
if ((chosen == NULL)
|| is_set_recursive(container, pcmk_rsc_blocked, true)) {
return true;
}
if ((coloc_data->colocation->primary_role >= pcmk_role_promoted)
&& ((replica->child == NULL)
|| (replica->child->next_role < pcmk_role_promoted))) {
return true;
}
pcmk__rsc_trace(pe__const_top_resource(container, true),
"Allowing mandatory colocation %s using %s @%d",
coloc_data->colocation->id, pcmk__node_name(chosen),
chosen->weight);
coloc_data->container_hosts = g_list_prepend(coloc_data->container_hosts,
chosen);
return true;
}
/*!
* \internal
* \brief Apply a colocation's score to node scores or resource priority
*
* Given a colocation constraint, apply its score to the dependent's
* allowed node scores (if we are still placing resources) or priority (if
* we are choosing promotable clone instance roles).
*
* \param[in,out] dependent Dependent resource in colocation
* \param[in] primary Primary resource in colocation
* \param[in] colocation Colocation constraint to apply
* \param[in] for_dependent true if called on behalf of dependent
*/
void
pcmk__bundle_apply_coloc_score(pcmk_resource_t *dependent,
const pcmk_resource_t *primary,
const pcmk__colocation_t *colocation,
bool for_dependent)
{
struct coloc_data coloc_data = { colocation, dependent, NULL };
/* This should never be called for the bundle itself as a dependent.
* Instead, we add its colocation constraints to its containers and bundled
* primitive and call the apply_coloc_score() method for them as dependents.
*/
CRM_ASSERT(pcmk__is_bundle(primary) && pcmk__is_primitive(dependent)
&& (colocation != NULL) && !for_dependent);
if (pcmk_is_set(primary->flags, pcmk_rsc_unassigned)) {
pcmk__rsc_trace(primary,
"Skipping applying colocation %s "
"because %s is still provisional",
colocation->id, primary->id);
return;
}
pcmk__rsc_trace(primary, "Applying colocation %s (%s with %s at %s)",
colocation->id, dependent->id, primary->id,
pcmk_readable_score(colocation->score));
/* If the constraint dependent is a clone or bundle, "dependent" here is one
* of its instances. Look for a compatible instance of this bundle.
*/
if (colocation->dependent->variant > pcmk_rsc_variant_group) {
const pcmk_resource_t *primary_container = NULL;
primary_container = compatible_container(dependent, primary);
if (primary_container != NULL) { // Success, we found one
pcmk__rsc_debug(primary, "Pairing %s with %s",
dependent->id, primary_container->id);
dependent->private->cmds->apply_coloc_score(dependent,
primary_container,
colocation, true);
} else if (colocation->score >= PCMK_SCORE_INFINITY) {
// Failure, and it's fatal
crm_notice("%s cannot run because there is no compatible "
"instance of %s to colocate with",
dependent->id, primary->id);
pcmk__assign_resource(dependent, NULL, true, true);
} else { // Failure, but we can ignore it
pcmk__rsc_debug(primary,
"%s cannot be colocated with any instance of %s",
dependent->id, primary->id);
}
return;
}
pe__foreach_const_bundle_replica(primary, replica_apply_coloc_score,
&coloc_data);
if (colocation->score >= PCMK_SCORE_INFINITY) {
pcmk__colocation_intersect_nodes(dependent, primary, colocation,
coloc_data.container_hosts, false);
}
g_list_free(coloc_data.container_hosts);
}
// Bundle implementation of pcmk__assignment_methods_t:with_this_colocations()
void
pcmk__with_bundle_colocations(const pcmk_resource_t *rsc,
const pcmk_resource_t *orig_rsc, GList **list)
{
const pcmk_resource_t *bundled_rsc = NULL;
CRM_ASSERT(pcmk__is_bundle(rsc) && (orig_rsc != NULL) && (list != NULL));
// The bundle itself and its containers always get its colocations
if ((orig_rsc == rsc)
|| pcmk_is_set(orig_rsc->flags, pcmk_rsc_replica_container)) {
pcmk__add_with_this_list(list, rsc->rsc_cons_lhs, orig_rsc);
return;
}
/* The bundled resource gets the colocations if it's promotable and we've
* begun choosing roles
*/
bundled_rsc = pe__bundled_resource(rsc);
if ((bundled_rsc == NULL)
|| !pcmk_is_set(bundled_rsc->flags, pcmk_rsc_promotable)
|| (pe__const_top_resource(orig_rsc, false) != bundled_rsc)) {
return;
}
if (orig_rsc == bundled_rsc) {
if (pe__clone_flag_is_set(orig_rsc,
pcmk__clone_promotion_constrained)) {
/* orig_rsc is the clone and we're setting roles (or have already
* done so)
*/
pcmk__add_with_this_list(list, rsc->rsc_cons_lhs, orig_rsc);
}
} else if (!pcmk_is_set(orig_rsc->flags, pcmk_rsc_unassigned)) {
/* orig_rsc is an instance and is already assigned. If something
* requests colocations for orig_rsc now, it's for setting roles.
*/
pcmk__add_with_this_list(list, rsc->rsc_cons_lhs, orig_rsc);
}
}
// Bundle implementation of pcmk__assignment_methods_t:this_with_colocations()
void
pcmk__bundle_with_colocations(const pcmk_resource_t *rsc,
const pcmk_resource_t *orig_rsc, GList **list)
{
const pcmk_resource_t *bundled_rsc = NULL;
CRM_ASSERT(pcmk__is_bundle(rsc) && (orig_rsc != NULL) && (list != NULL));
// The bundle itself and its containers always get its colocations
if ((orig_rsc == rsc)
|| pcmk_is_set(orig_rsc->flags, pcmk_rsc_replica_container)) {
pcmk__add_this_with_list(list, rsc->rsc_cons, orig_rsc);
return;
}
/* The bundled resource gets the colocations if it's promotable and we've
* begun choosing roles
*/
bundled_rsc = pe__bundled_resource(rsc);
if ((bundled_rsc == NULL)
|| !pcmk_is_set(bundled_rsc->flags, pcmk_rsc_promotable)
|| (pe__const_top_resource(orig_rsc, false) != bundled_rsc)) {
return;
}
if (orig_rsc == bundled_rsc) {
if (pe__clone_flag_is_set(orig_rsc,
pcmk__clone_promotion_constrained)) {
/* orig_rsc is the clone and we're setting roles (or have already
* done so)
*/
pcmk__add_this_with_list(list, rsc->rsc_cons, orig_rsc);
}
} else if (!pcmk_is_set(orig_rsc->flags, pcmk_rsc_unassigned)) {
/* orig_rsc is an instance and is already assigned. If something
* requests colocations for orig_rsc now, it's for setting roles.
*/
pcmk__add_this_with_list(list, rsc->rsc_cons, orig_rsc);
}
}
/*!
* \internal
* \brief Return action flags for a given bundle resource action
*
* \param[in,out] action Bundle resource action to get flags for
* \param[in] node If not NULL, limit effects to this node
*
* \return Flags appropriate to \p action on \p node
*/
uint32_t
pcmk__bundle_action_flags(pcmk_action_t *action, const pcmk_node_t *node)
{
GList *containers = NULL;
uint32_t flags = 0;
pcmk_resource_t *bundled_resource = NULL;
CRM_ASSERT((action != NULL) && pcmk__is_bundle(action->rsc));
bundled_resource = pe__bundled_resource(action->rsc);
if (bundled_resource != NULL) {
// Clone actions are done on the bundled clone resource, not container
switch (get_complex_task(bundled_resource, action->task)) {
case pcmk_action_unspecified:
case pcmk_action_notify:
case pcmk_action_notified:
case pcmk_action_promote:
case pcmk_action_promoted:
case pcmk_action_demote:
case pcmk_action_demoted:
return pcmk__collective_action_flags(action,
bundled_resource->children,
node);
default:
break;
}
}
containers = pe__bundle_containers(action->rsc);
flags = pcmk__collective_action_flags(action, containers, node);
g_list_free(containers);
return flags;
}
/*!
* \internal
* \brief Apply a location constraint to a bundle replica
*
* \param[in,out] replica Replica to apply constraint to
* \param[in,out] user_data Location constraint to apply
*
* \return true (to indicate that any further replicas should be processed)
*/
static bool
apply_location_to_replica(pcmk__bundle_replica_t *replica, void *user_data)
{
pcmk__location_t *location = user_data;
replica->container->private->cmds->apply_location(replica->container,
location);
if (replica->ip != NULL) {
replica->ip->private->cmds->apply_location(replica->ip, location);
}
return true;
}
/*!
* \internal
* \brief Apply a location constraint to a bundle resource's allowed node scores
*
* \param[in,out] rsc Bundle resource to apply constraint to
* \param[in,out] location Location constraint to apply
*/
void
pcmk__bundle_apply_location(pcmk_resource_t *rsc, pcmk__location_t *location)
{
pcmk_resource_t *bundled_resource = NULL;
CRM_ASSERT((location != NULL) && pcmk__is_bundle(rsc));
pcmk__apply_location(rsc, location);
pe__foreach_bundle_replica(rsc, apply_location_to_replica, location);
bundled_resource = pe__bundled_resource(rsc);
if ((bundled_resource != NULL)
&& ((location->role_filter == pcmk_role_unpromoted)
|| (location->role_filter == pcmk_role_promoted))) {
bundled_resource->private->cmds->apply_location(bundled_resource,
location);
bundled_resource->rsc_location = g_list_prepend(
bundled_resource->rsc_location, location);
}
}
#define XPATH_REMOTE "//nvpair[@name='" PCMK_REMOTE_RA_ADDR "']"
/*!
* \internal
* \brief Add a bundle replica's actions to transition graph
*
* \param[in,out] replica Replica to add to graph
* \param[in] user_data Bundle that replica belongs to (for logging only)
*
* \return true (to indicate that any further replicas should be processed)
*/
static bool
add_replica_actions_to_graph(pcmk__bundle_replica_t *replica, void *user_data)
{
if ((replica->remote != NULL)
&& pe__bundle_needs_remote_name(replica->remote)) {
/* REMOTE_CONTAINER_HACK: Allow remote nodes to run containers that
* run pacemaker-remoted inside, without needing a separate IP for
* the container. This is done by configuring the inner remote's
* connection host as the magic string "#uname", then
* replacing it with the underlying host when needed.
*/
- xmlNode *nvpair = get_xpath_object(XPATH_REMOTE, replica->remote->xml,
+ xmlNode *nvpair = get_xpath_object(XPATH_REMOTE,
+ replica->remote->private->xml,
LOG_ERR);
const char *calculated_addr = NULL;
// Replace the value in replica->remote->xml (if appropriate)
calculated_addr = pe__add_bundle_remote_name(replica->remote, nvpair,
PCMK_XA_VALUE);
if (calculated_addr != NULL) {
/* Since this is for the bundle as a resource, and not any
* particular action, replace the value in the default
* parameters (not evaluated for node). create_graph_action()
* will grab it from there to replace it in node-evaluated
* parameters.
*/
GHashTable *params = pe_rsc_params(replica->remote,
NULL, replica->remote->cluster);
pcmk__insert_dup(params, PCMK_REMOTE_RA_ADDR, calculated_addr);
} else {
pcmk_resource_t *bundle = user_data;
/* The only way to get here is if the remote connection is
* neither currently running nor scheduled to run. That means we
* won't be doing any operations that require addr (only start
* requires it; we additionally use it to compare digests when
* unpacking status, promote, and migrate_from history, but
* that's already happened by this point).
*/
pcmk__rsc_info(bundle,
"Unable to determine address for bundle %s "
"remote connection", bundle->id);
}
}
if (replica->ip != NULL) {
replica->ip->private->cmds->add_actions_to_graph(replica->ip);
}
replica->container->private->cmds->add_actions_to_graph(replica->container);
if (replica->remote != NULL) {
replica->remote->private->cmds->add_actions_to_graph(replica->remote);
}
return true;
}
/*!
* \internal
* \brief Add a bundle resource's actions to the transition graph
*
* \param[in,out] rsc Bundle resource whose actions should be added
*/
void
pcmk__bundle_add_actions_to_graph(pcmk_resource_t *rsc)
{
pcmk_resource_t *bundled_resource = NULL;
CRM_ASSERT(pcmk__is_bundle(rsc));
bundled_resource = pe__bundled_resource(rsc);
if (bundled_resource != NULL) {
bundled_resource->private->cmds->add_actions_to_graph(bundled_resource);
}
pe__foreach_bundle_replica(rsc, add_replica_actions_to_graph, rsc);
}
struct probe_data {
pcmk_resource_t *bundle; // Bundle being probed
pcmk_node_t *node; // Node to create probes on
bool any_created; // Whether any probes have been created
};
/*!
* \internal
* \brief Order a bundle replica's start after another replica's probe
*
* \param[in,out] replica Replica to order start for
* \param[in,out] user_data Replica with probe to order after
*
* \return true (to indicate that any further replicas should be processed)
*/
static bool
order_replica_start_after(pcmk__bundle_replica_t *replica, void *user_data)
{
pcmk__bundle_replica_t *probed_replica = user_data;
if ((replica == probed_replica) || (replica->container == NULL)) {
return true;
}
pcmk__new_ordering(probed_replica->container,
pcmk__op_key(probed_replica->container->id,
PCMK_ACTION_MONITOR, 0),
NULL, replica->container,
pcmk__op_key(replica->container->id, PCMK_ACTION_START,
0),
NULL, pcmk__ar_ordered|pcmk__ar_if_on_same_node,
replica->container->cluster);
return true;
}
/*!
* \internal
* \brief Create probes for a bundle replica's resources
*
* \param[in,out] replica Replica to create probes for
* \param[in,out] user_data struct probe_data
*
* \return true (to indicate that any further replicas should be processed)
*/
static bool
create_replica_probes(pcmk__bundle_replica_t *replica, void *user_data)
{
struct probe_data *probe_data = user_data;
pcmk_resource_t *bundle = probe_data->bundle;
if ((replica->ip != NULL)
&& replica->ip->private->cmds->create_probe(replica->ip,
probe_data->node)) {
probe_data->any_created = true;
}
if ((replica->child != NULL)
&& pcmk__same_node(probe_data->node, replica->node)
&& replica->child->private->cmds->create_probe(replica->child,
probe_data->node)) {
probe_data->any_created = true;
}
if (replica->container->private->cmds->create_probe(replica->container,
probe_data->node)) {
probe_data->any_created = true;
/* If we're limited to one replica per host (due to
* the lack of an IP range probably), then we don't
* want any of our peer containers starting until
* we've established that no other copies are already
* running.
*
* Partly this is to ensure that the maximum replicas per host is
* observed, but also to ensure that the containers
* don't fail to start because the necessary port
* mappings (which won't include an IP for uniqueness)
* are already taken
*/
if (bundle->private->fns->max_per_node(bundle) == 1) {
pe__foreach_bundle_replica(bundle, order_replica_start_after,
replica);
}
}
if ((replica->remote != NULL)
&& replica->remote->private->cmds->create_probe(replica->remote,
probe_data->node)) {
/* Do not probe the remote resource until we know where the container is
* running. This is required for REMOTE_CONTAINER_HACK to correctly
* probe remote resources.
*/
char *probe_uuid = pcmk__op_key(replica->remote->id,
PCMK_ACTION_MONITOR, 0);
pcmk_action_t *probe = find_first_action(replica->remote->actions,
probe_uuid, NULL,
probe_data->node);
free(probe_uuid);
if (probe != NULL) {
probe_data->any_created = true;
pcmk__rsc_trace(bundle, "Ordering %s probe on %s",
replica->remote->id,
pcmk__node_name(probe_data->node));
pcmk__new_ordering(replica->container,
pcmk__op_key(replica->container->id,
PCMK_ACTION_START, 0),
NULL, replica->remote, NULL, probe,
pcmk__ar_nested_remote_probe, bundle->cluster);
}
}
return true;
}
/*!
* \internal
*
* \brief Schedule any probes needed for a bundle resource on a node
*
* \param[in,out] rsc Bundle resource to create probes for
* \param[in,out] node Node to create probe on
*
* \return true if any probe was created, otherwise false
*/
bool
pcmk__bundle_create_probe(pcmk_resource_t *rsc, pcmk_node_t *node)
{
struct probe_data probe_data = { rsc, node, false };
CRM_ASSERT(pcmk__is_bundle(rsc));
pe__foreach_bundle_replica(rsc, create_replica_probes, &probe_data);
return probe_data.any_created;
}
/*!
* \internal
* \brief Output actions for one bundle replica
*
* \param[in,out] replica Replica to output actions for
* \param[in] user_data Unused
*
* \return true (to indicate that any further replicas should be processed)
*/
static bool
output_replica_actions(pcmk__bundle_replica_t *replica, void *user_data)
{
if (replica->ip != NULL) {
replica->ip->private->cmds->output_actions(replica->ip);
}
replica->container->private->cmds->output_actions(replica->container);
if (replica->remote != NULL) {
replica->remote->private->cmds->output_actions(replica->remote);
}
if (replica->child != NULL) {
replica->child->private->cmds->output_actions(replica->child);
}
return true;
}
/*!
* \internal
* \brief Output a summary of scheduled actions for a bundle resource
*
* \param[in,out] rsc Bundle resource to output actions for
*/
void
pcmk__output_bundle_actions(pcmk_resource_t *rsc)
{
CRM_ASSERT(pcmk__is_bundle(rsc));
pe__foreach_bundle_replica(rsc, output_replica_actions, NULL);
}
// Bundle implementation of pcmk__assignment_methods_t:add_utilization()
void
pcmk__bundle_add_utilization(const pcmk_resource_t *rsc,
const pcmk_resource_t *orig_rsc, GList *all_rscs,
GHashTable *utilization)
{
pcmk_resource_t *container = NULL;
CRM_ASSERT(pcmk__is_bundle(rsc));
if (!pcmk_is_set(rsc->flags, pcmk_rsc_unassigned)) {
return;
}
/* All bundle replicas are identical, so using the utilization of the first
* is sufficient for any. Only the implicit container resource can have
* utilization values.
*/
container = pe__first_container(rsc);
if (container != NULL) {
container->private->cmds->add_utilization(container, orig_rsc, all_rscs,
utilization);
}
}
// Bundle implementation of pcmk__assignment_methods_t:shutdown_lock()
void
pcmk__bundle_shutdown_lock(pcmk_resource_t *rsc)
{
CRM_ASSERT(pcmk__is_bundle(rsc));
// Bundles currently don't support shutdown locks
}
diff --git a/lib/pacemaker/pcmk_sched_primitive.c b/lib/pacemaker/pcmk_sched_primitive.c
index d26097c215..a1f603b35c 100644
--- a/lib/pacemaker/pcmk_sched_primitive.c
+++ b/lib/pacemaker/pcmk_sched_primitive.c
@@ -1,1682 +1,1682 @@
/*
* Copyright 2004-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU General Public License version 2
* or later (GPLv2+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <stdbool.h>
#include <stdint.h> // uint8_t, uint32_t
#include <crm/common/xml.h>
#include <pacemaker-internal.h>
#include "libpacemaker_private.h"
static void stop_resource(pcmk_resource_t *rsc, pcmk_node_t *node,
bool optional);
static void start_resource(pcmk_resource_t *rsc, pcmk_node_t *node,
bool optional);
static void demote_resource(pcmk_resource_t *rsc, pcmk_node_t *node,
bool optional);
static void promote_resource(pcmk_resource_t *rsc, pcmk_node_t *node,
bool optional);
static void assert_role_error(pcmk_resource_t *rsc, pcmk_node_t *node,
bool optional);
#define RSC_ROLE_MAX (pcmk_role_promoted + 1)
static enum rsc_role_e rsc_state_matrix[RSC_ROLE_MAX][RSC_ROLE_MAX] = {
/* This array lists the immediate next role when transitioning from one role
* to a target role. For example, when going from Stopped to Promoted, the
* next role is Unpromoted, because the resource must be started before it
* can be promoted. The current state then becomes Started, which is fed
* into this array again, giving a next role of Promoted.
*
* Current role Immediate next role Final target role
* ------------ ------------------- -----------------
*/
/* Unknown */ { pcmk_role_unknown, /* Unknown */
pcmk_role_stopped, /* Stopped */
pcmk_role_stopped, /* Started */
pcmk_role_stopped, /* Unpromoted */
pcmk_role_stopped, /* Promoted */
},
/* Stopped */ { pcmk_role_stopped, /* Unknown */
pcmk_role_stopped, /* Stopped */
pcmk_role_started, /* Started */
pcmk_role_unpromoted, /* Unpromoted */
pcmk_role_unpromoted, /* Promoted */
},
/* Started */ { pcmk_role_stopped, /* Unknown */
pcmk_role_stopped, /* Stopped */
pcmk_role_started, /* Started */
pcmk_role_unpromoted, /* Unpromoted */
pcmk_role_promoted, /* Promoted */
},
/* Unpromoted */ { pcmk_role_stopped, /* Unknown */
pcmk_role_stopped, /* Stopped */
pcmk_role_stopped, /* Started */
pcmk_role_unpromoted, /* Unpromoted */
pcmk_role_promoted, /* Promoted */
},
/* Promoted */ { pcmk_role_stopped, /* Unknown */
pcmk_role_unpromoted, /* Stopped */
pcmk_role_unpromoted, /* Started */
pcmk_role_unpromoted, /* Unpromoted */
pcmk_role_promoted, /* Promoted */
},
};
/*!
* \internal
* \brief Function to schedule actions needed for a role change
*
* \param[in,out] rsc Resource whose role is changing
* \param[in,out] node Node where resource will be in its next role
* \param[in] optional Whether scheduled actions should be optional
*/
typedef void (*rsc_transition_fn)(pcmk_resource_t *rsc, pcmk_node_t *node,
bool optional);
static rsc_transition_fn rsc_action_matrix[RSC_ROLE_MAX][RSC_ROLE_MAX] = {
/* This array lists the function needed to transition directly from one role
* to another. NULL indicates that nothing is needed.
*
* Current role Transition function Next role
* ------------ ------------------- ----------
*/
/* Unknown */ { assert_role_error, /* Unknown */
stop_resource, /* Stopped */
assert_role_error, /* Started */
assert_role_error, /* Unpromoted */
assert_role_error, /* Promoted */
},
/* Stopped */ { assert_role_error, /* Unknown */
NULL, /* Stopped */
start_resource, /* Started */
start_resource, /* Unpromoted */
assert_role_error, /* Promoted */
},
/* Started */ { assert_role_error, /* Unknown */
stop_resource, /* Stopped */
NULL, /* Started */
NULL, /* Unpromoted */
promote_resource, /* Promoted */
},
/* Unpromoted */ { assert_role_error, /* Unknown */
stop_resource, /* Stopped */
stop_resource, /* Started */
NULL, /* Unpromoted */
promote_resource, /* Promoted */
},
/* Promoted */ { assert_role_error, /* Unknown */
demote_resource, /* Stopped */
demote_resource, /* Started */
demote_resource, /* Unpromoted */
NULL, /* Promoted */
},
};
/*!
* \internal
* \brief Get a list of a resource's allowed nodes sorted by node score
*
* \param[in] rsc Resource to check
*
* \return List of allowed nodes sorted by node score
*/
static GList *
sorted_allowed_nodes(const pcmk_resource_t *rsc)
{
if (rsc->allowed_nodes != NULL) {
GList *nodes = g_hash_table_get_values(rsc->allowed_nodes);
if (nodes != NULL) {
return pcmk__sort_nodes(nodes, pcmk__current_node(rsc));
}
}
return NULL;
}
/*!
* \internal
* \brief Assign a resource to its best allowed node, if possible
*
* \param[in,out] rsc Resource to choose a node for
* \param[in] prefer If not \c NULL, prefer this node when all else
* equal
* \param[in] stop_if_fail If \c true and \p rsc can't be assigned to a
* node, set next role to stopped and update
* existing actions
*
* \return true if \p rsc could be assigned to a node, otherwise false
*
* \note If \p stop_if_fail is \c false, then \c pcmk__unassign_resource() can
* completely undo the assignment. A successful assignment can be either
* undone or left alone as final. A failed assignment has the same effect
* as calling pcmk__unassign_resource(); there are no side effects on
* roles or actions.
*/
static bool
assign_best_node(pcmk_resource_t *rsc, const pcmk_node_t *prefer,
bool stop_if_fail)
{
GList *nodes = NULL;
pcmk_node_t *chosen = NULL;
pcmk_node_t *best = NULL;
const pcmk_node_t *most_free_node = pcmk__ban_insufficient_capacity(rsc);
if (prefer == NULL) {
prefer = most_free_node;
}
if (!pcmk_is_set(rsc->flags, pcmk_rsc_unassigned)) {
// We've already finished assignment of resources to nodes
return rsc->allocated_to != NULL;
}
// Sort allowed nodes by score
nodes = sorted_allowed_nodes(rsc);
if (nodes != NULL) {
best = (pcmk_node_t *) nodes->data; // First node has best score
}
if ((prefer != NULL) && (nodes != NULL)) {
// Get the allowed node version of prefer
chosen = g_hash_table_lookup(rsc->allowed_nodes, prefer->details->id);
if (chosen == NULL) {
pcmk__rsc_trace(rsc, "Preferred node %s for %s was unknown",
pcmk__node_name(prefer), rsc->id);
/* Favor the preferred node as long as its score is at least as good as
* the best allowed node's.
*
* An alternative would be to favor the preferred node even if the best
* node is better, when the best node's score is less than INFINITY.
*/
} else if (chosen->weight < best->weight) {
pcmk__rsc_trace(rsc, "Preferred node %s for %s was unsuitable",
pcmk__node_name(chosen), rsc->id);
chosen = NULL;
} else if (!pcmk__node_available(chosen, true, false)) {
pcmk__rsc_trace(rsc, "Preferred node %s for %s was unavailable",
pcmk__node_name(chosen), rsc->id);
chosen = NULL;
} else {
pcmk__rsc_trace(rsc,
"Chose preferred node %s for %s "
"(ignoring %d candidates)",
pcmk__node_name(chosen), rsc->id,
g_list_length(nodes));
}
}
if ((chosen == NULL) && (best != NULL)) {
/* Either there is no preferred node, or the preferred node is not
* suitable, but another node is allowed to run the resource.
*/
chosen = best;
if (!pcmk__is_unique_clone(rsc->parent)
&& (chosen->weight > 0) // Zero not acceptable
&& pcmk__node_available(chosen, false, false)) {
/* If the resource is already running on a node, prefer that node if
* it is just as good as the chosen node.
*
* We don't do this for unique clone instances, because
* pcmk__assign_instances() has already assigned instances to their
* running nodes when appropriate, and if we get here, we don't want
* remaining unassigned instances to prefer a node that's already
* running another instance.
*/
pcmk_node_t *running = pcmk__current_node(rsc);
if (running == NULL) {
// Nothing to do
} else if (!pcmk__node_available(running, true, false)) {
pcmk__rsc_trace(rsc,
"Current node for %s (%s) can't run resources",
rsc->id, pcmk__node_name(running));
} else {
int nodes_with_best_score = 1;
for (GList *iter = nodes->next; iter; iter = iter->next) {
pcmk_node_t *allowed = (pcmk_node_t *) iter->data;
if (allowed->weight != chosen->weight) {
// The nodes are sorted by score, so no more are equal
break;
}
if (pcmk__same_node(allowed, running)) {
// Scores are equal, so prefer the current node
chosen = allowed;
}
nodes_with_best_score++;
}
if (nodes_with_best_score > 1) {
uint8_t log_level = LOG_INFO;
if (chosen->weight >= PCMK_SCORE_INFINITY) {
log_level = LOG_WARNING;
}
do_crm_log(log_level,
"Chose %s for %s from %d nodes with score %s",
pcmk__node_name(chosen), rsc->id,
nodes_with_best_score,
pcmk_readable_score(chosen->weight));
}
}
}
pcmk__rsc_trace(rsc, "Chose %s for %s from %d candidates",
pcmk__node_name(chosen), rsc->id, g_list_length(nodes));
}
pcmk__assign_resource(rsc, chosen, false, stop_if_fail);
g_list_free(nodes);
return rsc->allocated_to != NULL;
}
/*!
* \internal
* \brief Apply a "this with" colocation to a node's allowed node scores
*
* \param[in,out] colocation Colocation to apply
* \param[in,out] rsc Resource being assigned
*/
static void
apply_this_with(pcmk__colocation_t *colocation, pcmk_resource_t *rsc)
{
GHashTable *archive = NULL;
pcmk_resource_t *other = colocation->primary;
// In certain cases, we will need to revert the node scores
if ((colocation->dependent_role >= pcmk_role_promoted)
|| ((colocation->score < 0)
&& (colocation->score > -PCMK_SCORE_INFINITY))) {
archive = pcmk__copy_node_table(rsc->allowed_nodes);
}
if (pcmk_is_set(other->flags, pcmk_rsc_unassigned)) {
pcmk__rsc_trace(rsc,
"%s: Assigning colocation %s primary %s first"
"(score=%d role=%s)",
rsc->id, colocation->id, other->id,
colocation->score,
pcmk_role_text(colocation->dependent_role));
other->private->cmds->assign(other, NULL, true);
}
// Apply the colocation score to this resource's allowed node scores
rsc->private->cmds->apply_coloc_score(rsc, other, colocation, true);
if ((archive != NULL)
&& !pcmk__any_node_available(rsc->allowed_nodes)) {
pcmk__rsc_info(rsc,
"%s: Reverting scores from colocation with %s "
"because no nodes allowed",
rsc->id, other->id);
g_hash_table_destroy(rsc->allowed_nodes);
rsc->allowed_nodes = archive;
archive = NULL;
}
if (archive != NULL) {
g_hash_table_destroy(archive);
}
}
/*!
* \internal
* \brief Update a Pacemaker Remote node once its connection has been assigned
*
* \param[in] connection Connection resource that has been assigned
*/
static void
remote_connection_assigned(const pcmk_resource_t *connection)
{
pcmk_node_t *remote_node = pcmk_find_node(connection->cluster,
connection->id);
CRM_CHECK(remote_node != NULL, return);
if ((connection->allocated_to != NULL)
&& (connection->next_role != pcmk_role_stopped)) {
crm_trace("Pacemaker Remote node %s will be online",
remote_node->details->id);
remote_node->details->online = TRUE;
if (remote_node->details->unseen) {
// Avoid unnecessary fence, since we will attempt connection
remote_node->details->unclean = FALSE;
}
} else {
crm_trace("Pacemaker Remote node %s will be shut down "
"(%sassigned connection's next role is %s)",
remote_node->details->id,
((connection->allocated_to == NULL)? "un" : ""),
pcmk_role_text(connection->next_role));
remote_node->details->shutdown = TRUE;
}
}
/*!
* \internal
* \brief Assign a primitive resource to a node
*
* \param[in,out] rsc Resource to assign to a node
* \param[in] prefer Node to prefer, if all else is equal
* \param[in] stop_if_fail If \c true and \p rsc can't be assigned to a
* node, set next role to stopped and update
* existing actions
*
* \return Node that \p rsc is assigned to, if assigned entirely to one node
*
* \note If \p stop_if_fail is \c false, then \c pcmk__unassign_resource() can
* completely undo the assignment. A successful assignment can be either
* undone or left alone as final. A failed assignment has the same effect
* as calling pcmk__unassign_resource(); there are no side effects on
* roles or actions.
*/
pcmk_node_t *
pcmk__primitive_assign(pcmk_resource_t *rsc, const pcmk_node_t *prefer,
bool stop_if_fail)
{
GList *this_with_colocations = NULL;
GList *with_this_colocations = NULL;
GList *iter = NULL;
pcmk__colocation_t *colocation = NULL;
CRM_ASSERT(pcmk__is_primitive(rsc));
// Never assign a child without parent being assigned first
if ((rsc->parent != NULL)
&& !pcmk_is_set(rsc->parent->flags, pcmk_rsc_assigning)) {
pcmk__rsc_debug(rsc, "%s: Assigning parent %s first",
rsc->id, rsc->parent->id);
rsc->parent->private->cmds->assign(rsc->parent, prefer, stop_if_fail);
}
if (!pcmk_is_set(rsc->flags, pcmk_rsc_unassigned)) {
// Assignment has already been done
const char *node_name = "no node";
if (rsc->allocated_to != NULL) {
node_name = pcmk__node_name(rsc->allocated_to);
}
pcmk__rsc_debug(rsc, "%s: pre-assigned to %s", rsc->id, node_name);
return rsc->allocated_to;
}
// Ensure we detect assignment loops
if (pcmk_is_set(rsc->flags, pcmk_rsc_assigning)) {
pcmk__rsc_debug(rsc, "Breaking assignment loop involving %s", rsc->id);
return NULL;
}
pcmk__set_rsc_flags(rsc, pcmk_rsc_assigning);
pe__show_node_scores(true, rsc, "Pre-assignment", rsc->allowed_nodes,
rsc->cluster);
this_with_colocations = pcmk__this_with_colocations(rsc);
with_this_colocations = pcmk__with_this_colocations(rsc);
// Apply mandatory colocations first, to satisfy as many as possible
for (iter = this_with_colocations; iter != NULL; iter = iter->next) {
colocation = iter->data;
if ((colocation->score <= -PCMK_SCORE_INFINITY)
|| (colocation->score >= PCMK_SCORE_INFINITY)) {
apply_this_with(colocation, rsc);
}
}
for (iter = with_this_colocations; iter != NULL; iter = iter->next) {
colocation = iter->data;
if ((colocation->score <= -PCMK_SCORE_INFINITY)
|| (colocation->score >= PCMK_SCORE_INFINITY)) {
pcmk__add_dependent_scores(colocation, rsc);
}
}
pe__show_node_scores(true, rsc, "Mandatory-colocations",
rsc->allowed_nodes, rsc->cluster);
// Then apply optional colocations
for (iter = this_with_colocations; iter != NULL; iter = iter->next) {
colocation = iter->data;
if ((colocation->score > -PCMK_SCORE_INFINITY)
&& (colocation->score < PCMK_SCORE_INFINITY)) {
apply_this_with(colocation, rsc);
}
}
for (iter = with_this_colocations; iter != NULL; iter = iter->next) {
colocation = iter->data;
if ((colocation->score > -PCMK_SCORE_INFINITY)
&& (colocation->score < PCMK_SCORE_INFINITY)) {
pcmk__add_dependent_scores(colocation, rsc);
}
}
g_list_free(this_with_colocations);
g_list_free(with_this_colocations);
if (rsc->next_role == pcmk_role_stopped) {
pcmk__rsc_trace(rsc,
"Banning %s from all nodes because it will be stopped",
rsc->id);
resource_location(rsc, NULL, -PCMK_SCORE_INFINITY,
PCMK_META_TARGET_ROLE, rsc->cluster);
} else if ((rsc->next_role > rsc->role)
&& !pcmk_is_set(rsc->cluster->flags, pcmk_sched_quorate)
&& (rsc->cluster->no_quorum_policy == pcmk_no_quorum_freeze)) {
crm_notice("Resource %s cannot be elevated from %s to %s due to "
PCMK_OPT_NO_QUORUM_POLICY "=" PCMK_VALUE_FREEZE,
rsc->id, pcmk_role_text(rsc->role),
pcmk_role_text(rsc->next_role));
pe__set_next_role(rsc, rsc->role,
PCMK_OPT_NO_QUORUM_POLICY "=" PCMK_VALUE_FREEZE);
}
pe__show_node_scores(!pcmk_is_set(rsc->cluster->flags,
pcmk_sched_output_scores),
rsc, __func__, rsc->allowed_nodes, rsc->cluster);
// Unmanage resource if fencing is enabled but no device is configured
if (pcmk_is_set(rsc->cluster->flags, pcmk_sched_fencing_enabled)
&& !pcmk_is_set(rsc->cluster->flags, pcmk_sched_have_fencing)) {
pcmk__clear_rsc_flags(rsc, pcmk_rsc_managed);
}
if (!pcmk_is_set(rsc->flags, pcmk_rsc_managed)) {
// Unmanaged resources stay on their current node
const char *reason = NULL;
pcmk_node_t *assign_to = NULL;
pe__set_next_role(rsc, rsc->role, "unmanaged");
assign_to = pcmk__current_node(rsc);
if (assign_to == NULL) {
reason = "inactive";
} else if (rsc->role == pcmk_role_promoted) {
reason = "promoted";
} else if (pcmk_is_set(rsc->flags, pcmk_rsc_failed)) {
reason = "failed";
} else {
reason = "active";
}
pcmk__rsc_info(rsc, "Unmanaged resource %s assigned to %s: %s", rsc->id,
(assign_to? assign_to->details->uname : "no node"),
reason);
pcmk__assign_resource(rsc, assign_to, true, stop_if_fail);
} else if (pcmk_is_set(rsc->cluster->flags, pcmk_sched_stop_all)) {
// Must stop at some point, but be consistent with stop_if_fail
if (stop_if_fail) {
pcmk__rsc_debug(rsc,
"Forcing %s to stop: " PCMK_OPT_STOP_ALL_RESOURCES,
rsc->id);
}
pcmk__assign_resource(rsc, NULL, true, stop_if_fail);
} else if (!assign_best_node(rsc, prefer, stop_if_fail)) {
// Assignment failed
if (!pcmk_is_set(rsc->flags, pcmk_rsc_removed)) {
pcmk__rsc_info(rsc, "Resource %s cannot run anywhere", rsc->id);
} else if ((rsc->running_on != NULL) && stop_if_fail) {
pcmk__rsc_info(rsc, "Stopping removed resource %s", rsc->id);
}
}
pcmk__clear_rsc_flags(rsc, pcmk_rsc_assigning);
if (rsc->is_remote_node) {
remote_connection_assigned(rsc);
}
return rsc->allocated_to;
}
/*!
* \internal
* \brief Schedule actions to bring resource down and back to current role
*
* \param[in,out] rsc Resource to restart
* \param[in,out] current Node that resource should be brought down on
* \param[in] need_stop Whether the resource must be stopped
* \param[in] need_promote Whether the resource must be promoted
*
* \return Role that resource would have after scheduled actions are taken
*/
static void
schedule_restart_actions(pcmk_resource_t *rsc, pcmk_node_t *current,
bool need_stop, bool need_promote)
{
enum rsc_role_e role = rsc->role;
enum rsc_role_e next_role;
rsc_transition_fn fn = NULL;
pcmk__set_rsc_flags(rsc, pcmk_rsc_restarting);
// Bring resource down to a stop on its current node
while (role != pcmk_role_stopped) {
next_role = rsc_state_matrix[role][pcmk_role_stopped];
pcmk__rsc_trace(rsc, "Creating %s action to take %s down from %s to %s",
(need_stop? "required" : "optional"), rsc->id,
pcmk_role_text(role), pcmk_role_text(next_role));
fn = rsc_action_matrix[role][next_role];
if (fn == NULL) {
break;
}
fn(rsc, current, !need_stop);
role = next_role;
}
// Bring resource up to its next role on its next node
while ((rsc->role <= rsc->next_role) && (role != rsc->role)
&& !pcmk_is_set(rsc->flags, pcmk_rsc_blocked)) {
bool required = need_stop;
next_role = rsc_state_matrix[role][rsc->role];
if ((next_role == pcmk_role_promoted) && need_promote) {
required = true;
}
pcmk__rsc_trace(rsc, "Creating %s action to take %s up from %s to %s",
(required? "required" : "optional"), rsc->id,
pcmk_role_text(role), pcmk_role_text(next_role));
fn = rsc_action_matrix[role][next_role];
if (fn == NULL) {
break;
}
fn(rsc, rsc->allocated_to, !required);
role = next_role;
}
pcmk__clear_rsc_flags(rsc, pcmk_rsc_restarting);
}
/*!
* \internal
* \brief If a resource's next role is not explicitly specified, set a default
*
* \param[in,out] rsc Resource to set next role for
*
* \return "explicit" if next role was explicitly set, otherwise "implicit"
*/
static const char *
set_default_next_role(pcmk_resource_t *rsc)
{
if (rsc->next_role != pcmk_role_unknown) {
return "explicit";
}
if (rsc->allocated_to == NULL) {
pe__set_next_role(rsc, pcmk_role_stopped, "assignment");
} else {
pe__set_next_role(rsc, pcmk_role_started, "assignment");
}
return "implicit";
}
/*!
* \internal
* \brief Create an action to represent an already pending start
*
* \param[in,out] rsc Resource to create start action for
*/
static void
create_pending_start(pcmk_resource_t *rsc)
{
pcmk_action_t *start = NULL;
pcmk__rsc_trace(rsc,
"Creating action for %s to represent already pending start",
rsc->id);
start = start_action(rsc, rsc->allocated_to, TRUE);
pcmk__set_action_flags(start, pcmk_action_always_in_graph);
}
/*!
* \internal
* \brief Schedule actions needed to take a resource to its next role
*
* \param[in,out] rsc Resource to schedule actions for
*/
static void
schedule_role_transition_actions(pcmk_resource_t *rsc)
{
enum rsc_role_e role = rsc->role;
while (role != rsc->next_role) {
enum rsc_role_e next_role = rsc_state_matrix[role][rsc->next_role];
rsc_transition_fn fn = NULL;
pcmk__rsc_trace(rsc,
"Creating action to take %s from %s to %s "
"(ending at %s)",
rsc->id, pcmk_role_text(role),
pcmk_role_text(next_role),
pcmk_role_text(rsc->next_role));
fn = rsc_action_matrix[role][next_role];
if (fn == NULL) {
break;
}
fn(rsc, rsc->allocated_to, false);
role = next_role;
}
}
/*!
* \internal
* \brief Create all actions needed for a given primitive resource
*
* \param[in,out] rsc Primitive resource to create actions for
*/
void
pcmk__primitive_create_actions(pcmk_resource_t *rsc)
{
bool need_stop = false;
bool need_promote = false;
bool is_moving = false;
bool allow_migrate = false;
bool multiply_active = false;
pcmk_node_t *current = NULL;
unsigned int num_all_active = 0;
unsigned int num_clean_active = 0;
const char *next_role_source = NULL;
CRM_ASSERT(pcmk__is_primitive(rsc));
next_role_source = set_default_next_role(rsc);
pcmk__rsc_trace(rsc,
"Creating all actions for %s transition from %s to %s "
"(%s) on %s",
rsc->id, pcmk_role_text(rsc->role),
pcmk_role_text(rsc->next_role), next_role_source,
pcmk__node_name(rsc->allocated_to));
current = rsc->private->fns->active_node(rsc, &num_all_active,
&num_clean_active);
g_list_foreach(rsc->dangling_migrations, pcmk__abort_dangling_migration,
rsc);
if ((current != NULL) && (rsc->allocated_to != NULL)
&& !pcmk__same_node(current, rsc->allocated_to)
&& (rsc->next_role >= pcmk_role_started)) {
pcmk__rsc_trace(rsc, "Moving %s from %s to %s",
rsc->id, pcmk__node_name(current),
pcmk__node_name(rsc->allocated_to));
is_moving = true;
allow_migrate = pcmk__rsc_can_migrate(rsc, current);
// This is needed even if migrating (though I'm not sure why ...)
need_stop = true;
}
// Check whether resource is partially migrated and/or multiply active
if ((rsc->partial_migration_source != NULL)
&& (rsc->partial_migration_target != NULL)
&& allow_migrate && (num_all_active == 2)
&& pcmk__same_node(current, rsc->partial_migration_source)
&& pcmk__same_node(rsc->allocated_to, rsc->partial_migration_target)) {
/* A partial migration is in progress, and the migration target remains
* the same as when the migration began.
*/
pcmk__rsc_trace(rsc,
"Partial migration of %s from %s to %s will continue",
rsc->id, pcmk__node_name(rsc->partial_migration_source),
pcmk__node_name(rsc->partial_migration_target));
} else if ((rsc->partial_migration_source != NULL)
|| (rsc->partial_migration_target != NULL)) {
// A partial migration is in progress but can't be continued
if (num_all_active > 2) {
// The resource is migrating *and* multiply active!
crm_notice("Forcing recovery of %s because it is migrating "
"from %s to %s and possibly active elsewhere",
rsc->id, pcmk__node_name(rsc->partial_migration_source),
pcmk__node_name(rsc->partial_migration_target));
} else {
// The migration source or target isn't available
crm_notice("Forcing recovery of %s because it can no longer "
"migrate from %s to %s",
rsc->id, pcmk__node_name(rsc->partial_migration_source),
pcmk__node_name(rsc->partial_migration_target));
}
need_stop = true;
rsc->partial_migration_source = rsc->partial_migration_target = NULL;
allow_migrate = false;
} else if (pcmk_is_set(rsc->flags, pcmk_rsc_needs_fencing)) {
multiply_active = (num_all_active > 1);
} else {
/* If a resource has PCMK_META_REQUIRES set to PCMK_VALUE_NOTHING or
* PCMK_VALUE_QUORUM, don't consider it active on unclean nodes (similar
* to how all resources behave when PCMK_OPT_STONITH_ENABLED is false).
* We can start such resources elsewhere before fencing completes, and
* if we considered the resource active on the failed node, we would
* attempt recovery for being active on multiple nodes.
*/
multiply_active = (num_clean_active > 1);
}
if (multiply_active) {
- const char *class = crm_element_value(rsc->xml, PCMK_XA_CLASS);
+ const char *class = crm_element_value(rsc->private->xml, PCMK_XA_CLASS);
// Resource was (possibly) incorrectly multiply active
pcmk__sched_err("%s resource %s might be active on %u nodes (%s)",
pcmk__s(class, "Untyped"), rsc->id, num_all_active,
pcmk__multiply_active_text(rsc->recovery_type));
crm_notice("For more information, see \"What are multiply active "
"resources?\" at "
"https://projects.clusterlabs.org/w/clusterlabs/faq/");
switch (rsc->recovery_type) {
case pcmk_multiply_active_restart:
need_stop = true;
break;
case pcmk_multiply_active_unexpected:
need_stop = true; // stop_resource() will skip expected node
pcmk__set_rsc_flags(rsc, pcmk_rsc_stop_unexpected);
break;
default:
break;
}
} else {
pcmk__clear_rsc_flags(rsc, pcmk_rsc_stop_unexpected);
}
if (pcmk_is_set(rsc->flags, pcmk_rsc_start_pending)) {
create_pending_start(rsc);
}
if (is_moving) {
// Remaining tests are only for resources staying where they are
} else if (pcmk_is_set(rsc->flags, pcmk_rsc_failed)) {
if (pcmk_is_set(rsc->flags, pcmk_rsc_stop_if_failed)) {
need_stop = true;
pcmk__rsc_trace(rsc, "Recovering %s", rsc->id);
} else {
pcmk__rsc_trace(rsc, "Recovering %s by demotion", rsc->id);
if (rsc->next_role == pcmk_role_promoted) {
need_promote = true;
}
}
} else if (pcmk_is_set(rsc->flags, pcmk_rsc_blocked)) {
pcmk__rsc_trace(rsc, "Blocking further actions on %s", rsc->id);
need_stop = true;
} else if ((rsc->role > pcmk_role_started) && (current != NULL)
&& (rsc->allocated_to != NULL)) {
pcmk_action_t *start = NULL;
pcmk__rsc_trace(rsc, "Creating start action for promoted resource %s",
rsc->id);
start = start_action(rsc, rsc->allocated_to, TRUE);
if (!pcmk_is_set(start->flags, pcmk_action_optional)) {
// Recovery of a promoted resource
pcmk__rsc_trace(rsc, "%s restart is required for recovery", rsc->id);
need_stop = true;
}
}
// Create any actions needed to bring resource down and back up to same role
schedule_restart_actions(rsc, current, need_stop, need_promote);
// Create any actions needed to take resource from this role to the next
schedule_role_transition_actions(rsc);
pcmk__create_recurring_actions(rsc);
if (allow_migrate) {
pcmk__create_migration_actions(rsc, current);
}
}
/*!
* \internal
* \brief Ban a resource from any allowed nodes that are Pacemaker Remote nodes
*
* \param[in] rsc Resource to check
*/
static void
rsc_avoids_remote_nodes(const pcmk_resource_t *rsc)
{
GHashTableIter iter;
pcmk_node_t *node = NULL;
g_hash_table_iter_init(&iter, rsc->allowed_nodes);
while (g_hash_table_iter_next(&iter, NULL, (void **) &node)) {
if (node->details->remote_rsc != NULL) {
node->weight = -PCMK_SCORE_INFINITY;
}
}
}
/*!
* \internal
* \brief Return allowed nodes as (possibly sorted) list
*
* Convert a resource's hash table of allowed nodes to a list. If printing to
* stdout, sort the list, to keep action ID numbers consistent for regression
* test output (while avoiding the performance hit on a live cluster).
*
* \param[in] rsc Resource to check for allowed nodes
*
* \return List of resource's allowed nodes
* \note Callers should take care not to rely on the list being sorted.
*/
static GList *
allowed_nodes_as_list(const pcmk_resource_t *rsc)
{
GList *allowed_nodes = NULL;
if (rsc->allowed_nodes) {
allowed_nodes = g_hash_table_get_values(rsc->allowed_nodes);
}
if (!pcmk__is_daemon) {
allowed_nodes = g_list_sort(allowed_nodes, pe__cmp_node_name);
}
return allowed_nodes;
}
/*!
* \internal
* \brief Create implicit constraints needed for a primitive resource
*
* \param[in,out] rsc Primitive resource to create implicit constraints for
*/
void
pcmk__primitive_internal_constraints(pcmk_resource_t *rsc)
{
GList *allowed_nodes = NULL;
bool check_unfencing = false;
bool check_utilization = false;
CRM_ASSERT(pcmk__is_primitive(rsc));
if (!pcmk_is_set(rsc->flags, pcmk_rsc_managed)) {
pcmk__rsc_trace(rsc,
"Skipping implicit constraints for unmanaged resource "
"%s", rsc->id);
return;
}
// Whether resource requires unfencing
check_unfencing = !pcmk_is_set(rsc->flags, pcmk_rsc_fence_device)
&& pcmk_is_set(rsc->cluster->flags,
pcmk_sched_enable_unfencing)
&& pcmk_is_set(rsc->flags, pcmk_rsc_needs_unfencing);
// Whether a non-default placement strategy is used
check_utilization = (g_hash_table_size(rsc->utilization) > 0)
&& !pcmk__str_eq(rsc->cluster->placement_strategy,
PCMK_VALUE_DEFAULT, pcmk__str_casei);
// Order stops before starts (i.e. restart)
pcmk__new_ordering(rsc, pcmk__op_key(rsc->id, PCMK_ACTION_STOP, 0), NULL,
rsc, pcmk__op_key(rsc->id, PCMK_ACTION_START, 0), NULL,
pcmk__ar_ordered
|pcmk__ar_first_implies_then
|pcmk__ar_intermediate_stop,
rsc->cluster);
// Promotable ordering: demote before stop, start before promote
if (pcmk_is_set(pe__const_top_resource(rsc, false)->flags,
pcmk_rsc_promotable)
|| (rsc->role > pcmk_role_unpromoted)) {
pcmk__new_ordering(rsc, pcmk__op_key(rsc->id, PCMK_ACTION_DEMOTE, 0),
NULL,
rsc, pcmk__op_key(rsc->id, PCMK_ACTION_STOP, 0),
NULL,
pcmk__ar_promoted_then_implies_first, rsc->cluster);
pcmk__new_ordering(rsc, pcmk__op_key(rsc->id, PCMK_ACTION_START, 0),
NULL,
rsc, pcmk__op_key(rsc->id, PCMK_ACTION_PROMOTE, 0),
NULL,
pcmk__ar_unrunnable_first_blocks, rsc->cluster);
}
// Don't clear resource history if probing on same node
pcmk__new_ordering(rsc, pcmk__op_key(rsc->id, PCMK_ACTION_LRM_DELETE, 0),
NULL, rsc,
pcmk__op_key(rsc->id, PCMK_ACTION_MONITOR, 0),
NULL,
pcmk__ar_if_on_same_node|pcmk__ar_then_cancels_first,
rsc->cluster);
// Certain checks need allowed nodes
if (check_unfencing || check_utilization || (rsc->container != NULL)) {
allowed_nodes = allowed_nodes_as_list(rsc);
}
if (check_unfencing) {
g_list_foreach(allowed_nodes, pcmk__order_restart_vs_unfence, rsc);
}
if (check_utilization) {
pcmk__create_utilization_constraints(rsc, allowed_nodes);
}
if (rsc->container != NULL) {
pcmk_resource_t *remote_rsc = NULL;
if (rsc->is_remote_node) {
// rsc is the implicit remote connection for a guest or bundle node
/* Guest resources are not allowed to run on Pacemaker Remote nodes,
* to avoid nesting remotes. However, bundles are allowed.
*/
if (!pcmk_is_set(rsc->flags, pcmk_rsc_remote_nesting_allowed)) {
rsc_avoids_remote_nodes(rsc->container);
}
/* If someone cleans up a guest or bundle node's container, we will
* likely schedule a (re-)probe of the container and recovery of the
* connection. Order the connection stop after the container probe,
* so that if we detect the container running, we will trigger a new
* transition and avoid the unnecessary recovery.
*/
pcmk__order_resource_actions(rsc->container, PCMK_ACTION_MONITOR,
rsc, PCMK_ACTION_STOP,
pcmk__ar_ordered);
/* A user can specify that a resource must start on a Pacemaker Remote
* node by explicitly configuring it with the container=NODENAME
* meta-attribute. This is of questionable merit, since location
* constraints can accomplish the same thing. But we support it, so here
* we check whether a resource (that is not itself a remote connection)
* has container set to a remote node or guest node resource.
*/
} else if (rsc->container->is_remote_node) {
remote_rsc = rsc->container;
} else {
remote_rsc = pe__resource_contains_guest_node(rsc->cluster,
rsc->container);
}
if (remote_rsc != NULL) {
/* Force the resource on the Pacemaker Remote node instead of
* colocating the resource with the container resource.
*/
for (GList *item = allowed_nodes; item; item = item->next) {
pcmk_node_t *node = item->data;
if (node->details->remote_rsc != remote_rsc) {
node->weight = -PCMK_SCORE_INFINITY;
}
}
} else {
/* This resource is either a filler for a container that does NOT
* represent a Pacemaker Remote node, or a Pacemaker Remote
* connection resource for a guest node or bundle.
*/
int score;
crm_trace("Order and colocate %s relative to its container %s",
rsc->id, rsc->container->id);
pcmk__new_ordering(rsc->container,
pcmk__op_key(rsc->container->id,
PCMK_ACTION_START, 0),
NULL, rsc,
pcmk__op_key(rsc->id, PCMK_ACTION_START, 0),
NULL,
pcmk__ar_first_implies_then
|pcmk__ar_unrunnable_first_blocks,
rsc->cluster);
pcmk__new_ordering(rsc,
pcmk__op_key(rsc->id, PCMK_ACTION_STOP, 0),
NULL,
rsc->container,
pcmk__op_key(rsc->container->id,
PCMK_ACTION_STOP, 0),
NULL, pcmk__ar_then_implies_first, rsc->cluster);
if (pcmk_is_set(rsc->flags, pcmk_rsc_remote_nesting_allowed)) {
score = 10000; /* Highly preferred but not essential */
} else {
score = PCMK_SCORE_INFINITY; // Force to run on same host
}
pcmk__new_colocation("#resource-with-container", NULL, score, rsc,
rsc->container, NULL, NULL,
pcmk__coloc_influence);
}
}
if (rsc->is_remote_node
|| pcmk_is_set(rsc->flags, pcmk_rsc_fence_device)) {
/* Remote connections and fencing devices are not allowed to run on
* Pacemaker Remote nodes
*/
rsc_avoids_remote_nodes(rsc);
}
g_list_free(allowed_nodes);
}
/*!
* \internal
* \brief Apply a colocation's score to node scores or resource priority
*
* Given a colocation constraint, apply its score to the dependent's
* allowed node scores (if we are still placing resources) or priority (if
* we are choosing promotable clone instance roles).
*
* \param[in,out] dependent Dependent resource in colocation
* \param[in] primary Primary resource in colocation
* \param[in] colocation Colocation constraint to apply
* \param[in] for_dependent true if called on behalf of dependent
*/
void
pcmk__primitive_apply_coloc_score(pcmk_resource_t *dependent,
const pcmk_resource_t *primary,
const pcmk__colocation_t *colocation,
bool for_dependent)
{
enum pcmk__coloc_affects filter_results;
CRM_ASSERT((dependent != NULL) && (primary != NULL)
&& (colocation != NULL));
if (for_dependent) {
// Always process on behalf of primary resource
primary->private->cmds->apply_coloc_score(dependent, primary,
colocation, false);
return;
}
filter_results = pcmk__colocation_affects(dependent, primary, colocation,
false);
pcmk__rsc_trace(dependent, "%s %s with %s (%s, score=%d, filter=%d)",
((colocation->score > 0)? "Colocating" : "Anti-colocating"),
dependent->id, primary->id, colocation->id,
colocation->score,
filter_results);
switch (filter_results) {
case pcmk__coloc_affects_role:
pcmk__apply_coloc_to_priority(dependent, primary, colocation);
break;
case pcmk__coloc_affects_location:
pcmk__apply_coloc_to_scores(dependent, primary, colocation);
break;
default: // pcmk__coloc_affects_nothing
return;
}
}
/* Primitive implementation of
* pcmk__assignment_methods_t:with_this_colocations()
*/
void
pcmk__with_primitive_colocations(const pcmk_resource_t *rsc,
const pcmk_resource_t *orig_rsc, GList **list)
{
CRM_ASSERT(pcmk__is_primitive(rsc) && (list != NULL));
if (rsc == orig_rsc) {
/* For the resource itself, add all of its own colocations and relevant
* colocations from its parent (if any).
*/
pcmk__add_with_this_list(list, rsc->rsc_cons_lhs, orig_rsc);
if (rsc->parent != NULL) {
rsc->parent->private->cmds->with_this_colocations(rsc->parent,
orig_rsc, list);
}
} else {
// For an ancestor, add only explicitly configured constraints
for (GList *iter = rsc->rsc_cons_lhs; iter != NULL; iter = iter->next) {
pcmk__colocation_t *colocation = iter->data;
if (pcmk_is_set(colocation->flags, pcmk__coloc_explicit)) {
pcmk__add_with_this(list, colocation, orig_rsc);
}
}
}
}
/* Primitive implementation of
* pcmk__assignment_methods_t:this_with_colocations()
*/
void
pcmk__primitive_with_colocations(const pcmk_resource_t *rsc,
const pcmk_resource_t *orig_rsc, GList **list)
{
CRM_ASSERT(pcmk__is_primitive(rsc) && (list != NULL));
if (rsc == orig_rsc) {
/* For the resource itself, add all of its own colocations and relevant
* colocations from its parent (if any).
*/
pcmk__add_this_with_list(list, rsc->rsc_cons, orig_rsc);
if (rsc->parent != NULL) {
rsc->parent->private->cmds->this_with_colocations(rsc->parent,
orig_rsc, list);
}
} else {
// For an ancestor, add only explicitly configured constraints
for (GList *iter = rsc->rsc_cons; iter != NULL; iter = iter->next) {
pcmk__colocation_t *colocation = iter->data;
if (pcmk_is_set(colocation->flags, pcmk__coloc_explicit)) {
pcmk__add_this_with(list, colocation, orig_rsc);
}
}
}
}
/*!
* \internal
* \brief Return action flags for a given primitive resource action
*
* \param[in,out] action Action to get flags for
* \param[in] node If not NULL, limit effects to this node (ignored)
*
* \return Flags appropriate to \p action on \p node
*/
uint32_t
pcmk__primitive_action_flags(pcmk_action_t *action, const pcmk_node_t *node)
{
CRM_ASSERT(action != NULL);
return (uint32_t) action->flags;
}
/*!
* \internal
* \brief Check whether a node is a multiply active resource's expected node
*
* \param[in] rsc Resource to check
* \param[in] node Node to check
*
* \return \c true if \p rsc is multiply active with
* \c PCMK_META_MULTIPLE_ACTIVE set to \c PCMK_VALUE_STOP_UNEXPECTED,
* and \p node is the node where it will remain active
* \note This assumes that the resource's next role cannot be changed to stopped
* after this is called, which should be reasonable if status has already
* been unpacked and resources have been assigned to nodes.
*/
static bool
is_expected_node(const pcmk_resource_t *rsc, const pcmk_node_t *node)
{
return pcmk_all_flags_set(rsc->flags,
pcmk_rsc_stop_unexpected|pcmk_rsc_restarting)
&& (rsc->next_role > pcmk_role_stopped)
&& pcmk__same_node(rsc->allocated_to, node);
}
/*!
* \internal
* \brief Schedule actions needed to stop a resource wherever it is active
*
* \param[in,out] rsc Resource being stopped
* \param[in] node Node where resource is being stopped (ignored)
* \param[in] optional Whether actions should be optional
*/
static void
stop_resource(pcmk_resource_t *rsc, pcmk_node_t *node, bool optional)
{
for (GList *iter = rsc->running_on; iter != NULL; iter = iter->next) {
pcmk_node_t *current = (pcmk_node_t *) iter->data;
pcmk_action_t *stop = NULL;
if (is_expected_node(rsc, current)) {
/* We are scheduling restart actions for a multiply active resource
* with PCMK_META_MULTIPLE_ACTIVE=PCMK_VALUE_STOP_UNEXPECTED, and
* this is where it should not be stopped.
*/
pcmk__rsc_trace(rsc,
"Skipping stop of multiply active resource %s "
"on expected node %s",
rsc->id, pcmk__node_name(current));
continue;
}
if (rsc->partial_migration_target != NULL) {
// Continue migration if node originally was and remains target
if (pcmk__same_node(current, rsc->partial_migration_target)
&& pcmk__same_node(current, rsc->allocated_to)) {
pcmk__rsc_trace(rsc,
"Skipping stop of %s on %s "
"because partial migration there will continue",
rsc->id, pcmk__node_name(current));
continue;
} else {
pcmk__rsc_trace(rsc,
"Forcing stop of %s on %s "
"because migration target changed",
rsc->id, pcmk__node_name(current));
optional = false;
}
}
pcmk__rsc_trace(rsc, "Scheduling stop of %s on %s",
rsc->id, pcmk__node_name(current));
stop = stop_action(rsc, current, optional);
if (rsc->allocated_to == NULL) {
pe_action_set_reason(stop, "node availability", true);
} else if (pcmk_all_flags_set(rsc->flags, pcmk_rsc_restarting
|pcmk_rsc_stop_unexpected)) {
/* We are stopping a multiply active resource on a node that is
* not its expected node, and we are still scheduling restart
* actions, so the stop is for being multiply active.
*/
pe_action_set_reason(stop, "being multiply active", true);
}
if (!pcmk_is_set(rsc->flags, pcmk_rsc_managed)) {
pcmk__clear_action_flags(stop, pcmk_action_runnable);
}
if (pcmk_is_set(rsc->cluster->flags, pcmk_sched_remove_after_stop)) {
pcmk__schedule_cleanup(rsc, current, optional);
}
if (pcmk_is_set(rsc->flags, pcmk_rsc_needs_unfencing)) {
pcmk_action_t *unfence = pe_fence_op(current, PCMK_ACTION_ON, true,
NULL, false, rsc->cluster);
order_actions(stop, unfence, pcmk__ar_then_implies_first);
if (!pcmk__node_unfenced(current)) {
pcmk__sched_err("Stopping %s until %s can be unfenced",
rsc->id, pcmk__node_name(current));
}
}
}
}
/*!
* \internal
* \brief Schedule actions needed to start a resource on a node
*
* \param[in,out] rsc Resource being started
* \param[in,out] node Node where resource should be started
* \param[in] optional Whether actions should be optional
*/
static void
start_resource(pcmk_resource_t *rsc, pcmk_node_t *node, bool optional)
{
pcmk_action_t *start = NULL;
CRM_ASSERT(node != NULL);
pcmk__rsc_trace(rsc, "Scheduling %s start of %s on %s (score %d)",
(optional? "optional" : "required"), rsc->id,
pcmk__node_name(node), node->weight);
start = start_action(rsc, node, TRUE);
pcmk__order_vs_unfence(rsc, node, start, pcmk__ar_first_implies_then);
if (pcmk_is_set(start->flags, pcmk_action_runnable) && !optional) {
pcmk__clear_action_flags(start, pcmk_action_optional);
}
if (is_expected_node(rsc, node)) {
/* This could be a problem if the start becomes necessary for other
* reasons later.
*/
pcmk__rsc_trace(rsc,
"Start of multiply active resouce %s "
"on expected node %s will be a pseudo-action",
rsc->id, pcmk__node_name(node));
pcmk__set_action_flags(start, pcmk_action_pseudo);
}
}
/*!
* \internal
* \brief Schedule actions needed to promote a resource on a node
*
* \param[in,out] rsc Resource being promoted
* \param[in] node Node where resource should be promoted
* \param[in] optional Whether actions should be optional
*/
static void
promote_resource(pcmk_resource_t *rsc, pcmk_node_t *node, bool optional)
{
GList *iter = NULL;
GList *action_list = NULL;
bool runnable = true;
CRM_ASSERT(node != NULL);
// Any start must be runnable for promotion to be runnable
action_list = pe__resource_actions(rsc, node, PCMK_ACTION_START, true);
for (iter = action_list; iter != NULL; iter = iter->next) {
pcmk_action_t *start = (pcmk_action_t *) iter->data;
if (!pcmk_is_set(start->flags, pcmk_action_runnable)) {
runnable = false;
}
}
g_list_free(action_list);
if (runnable) {
pcmk_action_t *promote = promote_action(rsc, node, optional);
pcmk__rsc_trace(rsc, "Scheduling %s promotion of %s on %s",
(optional? "optional" : "required"), rsc->id,
pcmk__node_name(node));
if (is_expected_node(rsc, node)) {
/* This could be a problem if the promote becomes necessary for
* other reasons later.
*/
pcmk__rsc_trace(rsc,
"Promotion of multiply active resouce %s "
"on expected node %s will be a pseudo-action",
rsc->id, pcmk__node_name(node));
pcmk__set_action_flags(promote, pcmk_action_pseudo);
}
} else {
pcmk__rsc_trace(rsc, "Not promoting %s on %s: start unrunnable",
rsc->id, pcmk__node_name(node));
action_list = pe__resource_actions(rsc, node, PCMK_ACTION_PROMOTE,
true);
for (iter = action_list; iter != NULL; iter = iter->next) {
pcmk_action_t *promote = (pcmk_action_t *) iter->data;
pcmk__clear_action_flags(promote, pcmk_action_runnable);
}
g_list_free(action_list);
}
}
/*!
* \internal
* \brief Schedule actions needed to demote a resource wherever it is active
*
* \param[in,out] rsc Resource being demoted
* \param[in] node Node where resource should be demoted (ignored)
* \param[in] optional Whether actions should be optional
*/
static void
demote_resource(pcmk_resource_t *rsc, pcmk_node_t *node, bool optional)
{
/* Since this will only be called for a primitive (possibly as an instance
* of a collective resource), the resource is multiply active if it is
* running on more than one node, so we want to demote on all of them as
* part of recovery, regardless of which one is the desired node.
*/
for (GList *iter = rsc->running_on; iter != NULL; iter = iter->next) {
pcmk_node_t *current = (pcmk_node_t *) iter->data;
if (is_expected_node(rsc, current)) {
pcmk__rsc_trace(rsc,
"Skipping demote of multiply active resource %s "
"on expected node %s",
rsc->id, pcmk__node_name(current));
} else {
pcmk__rsc_trace(rsc, "Scheduling %s demotion of %s on %s",
(optional? "optional" : "required"), rsc->id,
pcmk__node_name(current));
demote_action(rsc, current, optional);
}
}
}
static void
assert_role_error(pcmk_resource_t *rsc, pcmk_node_t *node, bool optional)
{
CRM_ASSERT(false);
}
/*!
* \internal
* \brief Schedule cleanup of a resource
*
* \param[in,out] rsc Resource to clean up
* \param[in] node Node to clean up on
* \param[in] optional Whether clean-up should be optional
*/
void
pcmk__schedule_cleanup(pcmk_resource_t *rsc, const pcmk_node_t *node,
bool optional)
{
/* If the cleanup is required, its orderings are optional, because they're
* relevant only if both actions are required. Conversely, if the cleanup is
* optional, the orderings make the then action required if the first action
* becomes required.
*/
uint32_t flag = optional? pcmk__ar_first_implies_then : pcmk__ar_ordered;
CRM_CHECK((rsc != NULL) && (node != NULL), return);
if (pcmk_is_set(rsc->flags, pcmk_rsc_failed)) {
pcmk__rsc_trace(rsc, "Skipping clean-up of %s on %s: resource failed",
rsc->id, pcmk__node_name(node));
return;
}
if (node->details->unclean || !node->details->online) {
pcmk__rsc_trace(rsc, "Skipping clean-up of %s on %s: node unavailable",
rsc->id, pcmk__node_name(node));
return;
}
crm_notice("Scheduling clean-up of %s on %s",
rsc->id, pcmk__node_name(node));
delete_action(rsc, node, optional);
// stop -> clean-up -> start
pcmk__order_resource_actions(rsc, PCMK_ACTION_STOP,
rsc, PCMK_ACTION_DELETE, flag);
pcmk__order_resource_actions(rsc, PCMK_ACTION_DELETE,
rsc, PCMK_ACTION_START, flag);
}
/*!
* \internal
* \brief Add primitive meta-attributes relevant to graph actions to XML
*
* \param[in] rsc Primitive resource whose meta-attributes should be added
* \param[in,out] xml Transition graph action attributes XML to add to
*/
void
pcmk__primitive_add_graph_meta(const pcmk_resource_t *rsc, xmlNode *xml)
{
char *name = NULL;
char *value = NULL;
const pcmk_resource_t *parent = NULL;
CRM_ASSERT(pcmk__is_primitive(rsc) && (xml != NULL));
/* Clone instance numbers get set internally as meta-attributes, and are
* needed in the transition graph (for example, to tell unique clone
* instances apart).
*/
value = g_hash_table_lookup(rsc->meta, PCMK__META_CLONE);
if (value != NULL) {
name = crm_meta_name(PCMK__META_CLONE);
crm_xml_add(xml, name, value);
free(name);
}
// Not sure if this one is really needed ...
value = g_hash_table_lookup(rsc->meta, PCMK_META_REMOTE_NODE);
if (value != NULL) {
name = crm_meta_name(PCMK_META_REMOTE_NODE);
crm_xml_add(xml, name, value);
free(name);
}
/* The container meta-attribute can be set on the primitive itself or one of
* its parents (for example, a group inside a container resource), so check
* them all, and keep the highest one found.
*/
for (parent = rsc; parent != NULL; parent = parent->parent) {
if (parent->container != NULL) {
crm_xml_add(xml, CRM_META "_" PCMK__META_CONTAINER,
parent->container->id);
}
}
/* Bundle replica children will get their external-ip set internally as a
* meta-attribute. The graph action needs it, but under a different naming
* convention than other meta-attributes.
*/
value = g_hash_table_lookup(rsc->meta, "external-ip");
if (value != NULL) {
crm_xml_add(xml, "pcmk_external_ip", value);
}
}
// Primitive implementation of pcmk__assignment_methods_t:add_utilization()
void
pcmk__primitive_add_utilization(const pcmk_resource_t *rsc,
const pcmk_resource_t *orig_rsc,
GList *all_rscs, GHashTable *utilization)
{
CRM_ASSERT(pcmk__is_primitive(rsc)
&& (orig_rsc != NULL) && (utilization != NULL));
if (!pcmk_is_set(rsc->flags, pcmk_rsc_unassigned)) {
return;
}
pcmk__rsc_trace(orig_rsc,
"%s: Adding primitive %s as colocated utilization",
orig_rsc->id, rsc->id);
pcmk__release_node_capacity(utilization, rsc);
}
/*!
* \internal
* \brief Get epoch time of node's shutdown attribute (or now if none)
*
* \param[in,out] node Node to check
*
* \return Epoch time corresponding to shutdown attribute if set or now if not
*/
static time_t
shutdown_time(pcmk_node_t *node)
{
const char *shutdown = pcmk__node_attr(node, PCMK__NODE_ATTR_SHUTDOWN, NULL,
pcmk__rsc_node_current);
time_t result = 0;
if (shutdown != NULL) {
long long result_ll;
if (pcmk__scan_ll(shutdown, &result_ll, 0LL) == pcmk_rc_ok) {
result = (time_t) result_ll;
}
}
return (result == 0)? get_effective_time(node->details->data_set) : result;
}
/*!
* \internal
* \brief Ban a resource from a node if it's not locked to the node
*
* \param[in] data Node to check
* \param[in,out] user_data Resource to check
*/
static void
ban_if_not_locked(gpointer data, gpointer user_data)
{
const pcmk_node_t *node = (const pcmk_node_t *) data;
pcmk_resource_t *rsc = (pcmk_resource_t *) user_data;
if (strcmp(node->details->uname, rsc->lock_node->details->uname) != 0) {
resource_location(rsc, node, -PCMK_SCORE_INFINITY,
PCMK_OPT_SHUTDOWN_LOCK, rsc->cluster);
}
}
// Primitive implementation of pcmk__assignment_methods_t:shutdown_lock()
void
pcmk__primitive_shutdown_lock(pcmk_resource_t *rsc)
{
const char *class = NULL;
CRM_ASSERT(pcmk__is_primitive(rsc));
- class = crm_element_value(rsc->xml, PCMK_XA_CLASS);
+ class = crm_element_value(rsc->private->xml, PCMK_XA_CLASS);
// Fence devices and remote connections can't be locked
if (pcmk__str_eq(class, PCMK_RESOURCE_CLASS_STONITH, pcmk__str_null_matches)
|| rsc->is_remote_node) {
return;
}
if (rsc->lock_node != NULL) {
// The lock was obtained from resource history
if (rsc->running_on != NULL) {
/* The resource was started elsewhere even though it is now
* considered locked. This shouldn't be possible, but as a
* failsafe, we don't want to disturb the resource now.
*/
pcmk__rsc_info(rsc,
"Cancelling shutdown lock "
"because %s is already active", rsc->id);
pe__clear_resource_history(rsc, rsc->lock_node);
rsc->lock_node = NULL;
rsc->lock_time = 0;
}
// Only a resource active on exactly one node can be locked
} else if (pcmk__list_of_1(rsc->running_on)) {
pcmk_node_t *node = rsc->running_on->data;
if (node->details->shutdown) {
if (node->details->unclean) {
pcmk__rsc_debug(rsc,
"Not locking %s to unclean %s for shutdown",
rsc->id, pcmk__node_name(node));
} else {
rsc->lock_node = node;
rsc->lock_time = shutdown_time(node);
}
}
}
if (rsc->lock_node == NULL) {
// No lock needed
return;
}
if (rsc->cluster->shutdown_lock > 0) {
time_t lock_expiration = rsc->lock_time + rsc->cluster->shutdown_lock;
pcmk__rsc_info(rsc, "Locking %s to %s due to shutdown (expires @%lld)",
rsc->id, pcmk__node_name(rsc->lock_node),
(long long) lock_expiration);
pe__update_recheck_time(++lock_expiration, rsc->cluster,
"shutdown lock expiration");
} else {
pcmk__rsc_info(rsc, "Locking %s to %s due to shutdown",
rsc->id, pcmk__node_name(rsc->lock_node));
}
// If resource is locked to one node, ban it from all other nodes
g_list_foreach(rsc->cluster->nodes, ban_if_not_locked, rsc);
}
diff --git a/lib/pacemaker/pcmk_sched_probes.c b/lib/pacemaker/pcmk_sched_probes.c
index 78038144d0..e306deb421 100644
--- a/lib/pacemaker/pcmk_sched_probes.c
+++ b/lib/pacemaker/pcmk_sched_probes.c
@@ -1,903 +1,903 @@
/*
* Copyright 2004-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU General Public License version 2
* or later (GPLv2+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <glib.h>
#include <crm/crm.h>
#include <crm/pengine/status.h>
#include <pacemaker-internal.h>
#include "libpacemaker_private.h"
/*!
* \internal
* \brief Add the expected result to a newly created probe
*
* \param[in,out] probe Probe action to add expected result to
* \param[in] rsc Resource that probe is for
* \param[in] node Node that probe will run on
*/
static void
add_expected_result(pcmk_action_t *probe, const pcmk_resource_t *rsc,
const pcmk_node_t *node)
{
// Check whether resource is currently active on node
pcmk_node_t *running = pe_find_node_id(rsc->running_on, node->details->id);
// The expected result is what we think the resource's current state is
if (running == NULL) {
pe__add_action_expected_result(probe, CRM_EX_NOT_RUNNING);
} else if (rsc->role == pcmk_role_promoted) {
pe__add_action_expected_result(probe, CRM_EX_PROMOTED);
}
}
/*!
* \internal
* \brief Create any needed robes on a node for a list of resources
*
* \param[in,out] rscs List of resources to create probes for
* \param[in,out] node Node to create probes on
*
* \return true if any probe was created, otherwise false
*/
bool
pcmk__probe_resource_list(GList *rscs, pcmk_node_t *node)
{
bool any_created = false;
for (GList *iter = rscs; iter != NULL; iter = iter->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data;
if (rsc->private->cmds->create_probe(rsc, node)) {
any_created = true;
}
}
return any_created;
}
/*!
* \internal
* \brief Order one resource's start after another's start-up probe
*
* \param[in,out] rsc1 Resource that might get start-up probe
* \param[in] rsc2 Resource that might be started
*/
static void
probe_then_start(pcmk_resource_t *rsc1, pcmk_resource_t *rsc2)
{
if ((rsc1->allocated_to != NULL)
&& (g_hash_table_lookup(rsc1->known_on,
rsc1->allocated_to->details->id) == NULL)) {
pcmk__new_ordering(rsc1,
pcmk__op_key(rsc1->id, PCMK_ACTION_MONITOR, 0),
NULL,
rsc2, pcmk__op_key(rsc2->id, PCMK_ACTION_START, 0),
NULL,
pcmk__ar_ordered, rsc1->cluster);
}
}
/*!
* \internal
* \brief Check whether a guest resource will stop
*
* \param[in] node Guest node to check
*
* \return true if guest resource will likely stop, otherwise false
*/
static bool
guest_resource_will_stop(const pcmk_node_t *node)
{
const pcmk_resource_t *guest_rsc = node->details->remote_rsc->container;
/* Ideally, we'd check whether the guest has a required stop, but that
* information doesn't exist yet, so approximate it ...
*/
return node->details->remote_requires_reset
|| node->details->unclean
|| pcmk_is_set(guest_rsc->flags, pcmk_rsc_failed)
|| (guest_rsc->next_role == pcmk_role_stopped)
// Guest is moving
|| ((guest_rsc->role > pcmk_role_stopped)
&& (guest_rsc->allocated_to != NULL)
&& (pcmk__find_node_in_list(guest_rsc->running_on,
guest_rsc->allocated_to->details->uname) == NULL));
}
/*!
* \internal
* \brief Create a probe action for a resource on a node
*
* \param[in,out] rsc Resource to create probe for
* \param[in,out] node Node to create probe on
*
* \return Newly created probe action
*/
static pcmk_action_t *
probe_action(pcmk_resource_t *rsc, pcmk_node_t *node)
{
pcmk_action_t *probe = NULL;
char *key = pcmk__op_key(rsc->id, PCMK_ACTION_MONITOR, 0);
crm_debug("Scheduling probe of %s %s on %s",
pcmk_role_text(rsc->role), rsc->id, pcmk__node_name(node));
probe = custom_action(rsc, key, PCMK_ACTION_MONITOR, node, FALSE,
rsc->cluster);
pcmk__clear_action_flags(probe, pcmk_action_optional);
pcmk__order_vs_unfence(rsc, node, probe, pcmk__ar_ordered);
add_expected_result(probe, rsc, node);
return probe;
}
/*!
* \internal
* \brief Create probes for a resource on a node, if needed
*
* \brief Schedule any probes needed for a resource on a node
*
* \param[in,out] rsc Resource to create probe for
* \param[in,out] node Node to create probe on
*
* \return true if any probe was created, otherwise false
*/
bool
pcmk__probe_rsc_on_node(pcmk_resource_t *rsc, pcmk_node_t *node)
{
uint32_t flags = pcmk__ar_ordered;
pcmk_action_t *probe = NULL;
pcmk_node_t *allowed = NULL;
pcmk_resource_t *top = uber_parent(rsc);
const char *reason = NULL;
CRM_ASSERT((rsc != NULL) && (node != NULL));
if (!pcmk_is_set(rsc->cluster->flags, pcmk_sched_probe_resources)) {
reason = "start-up probes are disabled";
goto no_probe;
}
if (pcmk__is_pacemaker_remote_node(node)) {
- const char *class = crm_element_value(rsc->xml, PCMK_XA_CLASS);
+ const char *class = crm_element_value(rsc->private->xml, PCMK_XA_CLASS);
if (pcmk__str_eq(class, PCMK_RESOURCE_CLASS_STONITH, pcmk__str_none)) {
reason = "Pacemaker Remote nodes cannot run stonith agents";
goto no_probe;
} else if (pcmk__is_guest_or_bundle_node(node)
&& pe__resource_contains_guest_node(rsc->cluster, rsc)) {
reason = "guest nodes cannot run resources containing guest nodes";
goto no_probe;
} else if (rsc->is_remote_node) {
reason = "Pacemaker Remote nodes cannot host remote connections";
goto no_probe;
}
}
// If this is a collective resource, probes are created for its children
if (rsc->children != NULL) {
return pcmk__probe_resource_list(rsc->children, node);
}
if ((rsc->container != NULL) && !rsc->is_remote_node) {
reason = "resource is inside a container";
goto no_probe;
} else if (pcmk_is_set(rsc->flags, pcmk_rsc_removed)) {
reason = "resource is orphaned";
goto no_probe;
} else if (g_hash_table_lookup(rsc->known_on, node->details->id) != NULL) {
reason = "resource state is already known";
goto no_probe;
}
allowed = g_hash_table_lookup(rsc->allowed_nodes, node->details->id);
if (rsc->exclusive_discover || top->exclusive_discover) {
// Exclusive discovery is enabled ...
if (allowed == NULL) {
// ... but this node is not allowed to run the resource
reason = "resource has exclusive discovery but is not allowed "
"on node";
goto no_probe;
} else if (allowed->rsc_discover_mode != pcmk_probe_exclusive) {
// ... but no constraint marks this node for discovery of resource
reason = "resource has exclusive discovery but is not enabled "
"on node";
goto no_probe;
}
}
if (allowed == NULL) {
allowed = node;
}
if (allowed->rsc_discover_mode == pcmk_probe_never) {
reason = "node has discovery disabled";
goto no_probe;
}
if (pcmk__is_guest_or_bundle_node(node)) {
pcmk_resource_t *guest = node->details->remote_rsc->container;
if (guest->role == pcmk_role_stopped) {
// The guest is stopped, so we know no resource is active there
reason = "node's guest is stopped";
probe_then_start(guest, top);
goto no_probe;
} else if (guest_resource_will_stop(node)) {
reason = "node's guest will stop";
// Order resource start after guest stop (in case it's restarting)
pcmk__new_ordering(guest,
pcmk__op_key(guest->id, PCMK_ACTION_STOP, 0),
NULL, top,
pcmk__op_key(top->id, PCMK_ACTION_START, 0),
NULL, pcmk__ar_ordered, rsc->cluster);
goto no_probe;
}
}
// We've eliminated all cases where a probe is not needed, so now it is
probe = probe_action(rsc, node);
/* Below, we will order the probe relative to start or reload. If this is a
* clone instance, the start or reload is for the entire clone rather than
* just the instance. Otherwise, the start or reload is for the resource
* itself.
*/
if (!pcmk__is_clone(top)) {
top = rsc;
}
/* Prevent a start if the resource can't be probed, but don't cause the
* resource or entire clone to stop if already active.
*/
if (!pcmk_is_set(probe->flags, pcmk_action_runnable)
&& (top->running_on == NULL)) {
pcmk__set_relation_flags(flags, pcmk__ar_unrunnable_first_blocks);
}
// Start or reload after probing the resource
pcmk__new_ordering(rsc, NULL, probe,
top, pcmk__op_key(top->id, PCMK_ACTION_START, 0), NULL,
flags, rsc->cluster);
pcmk__new_ordering(rsc, NULL, probe, top, reload_key(rsc), NULL,
pcmk__ar_ordered, rsc->cluster);
return true;
no_probe:
pcmk__rsc_trace(rsc,
"Skipping probe for %s on %s because %s",
rsc->id, node->details->id, reason);
return false;
}
/*!
* \internal
* \brief Check whether a probe should be ordered before another action
*
* \param[in] probe Probe action to check
* \param[in] then Other action to check
*
* \return true if \p probe should be ordered before \p then, otherwise false
*/
static bool
probe_needed_before_action(const pcmk_action_t *probe,
const pcmk_action_t *then)
{
// Probes on a node are performed after unfencing it, not before
if (pcmk__str_eq(then->task, PCMK_ACTION_STONITH, pcmk__str_none)
&& pcmk__same_node(probe->node, then->node)) {
const char *op = g_hash_table_lookup(then->meta,
PCMK__META_STONITH_ACTION);
if (pcmk__str_eq(op, PCMK_ACTION_ON, pcmk__str_casei)) {
return false;
}
}
// Probes should be done on a node before shutting it down
if (pcmk__str_eq(then->task, PCMK_ACTION_DO_SHUTDOWN, pcmk__str_none)
&& (probe->node != NULL) && (then->node != NULL)
&& !pcmk__same_node(probe->node, then->node)) {
return false;
}
// Otherwise probes should always be done before any other action
return true;
}
/*!
* \internal
* \brief Add implicit "probe then X" orderings for "stop then X" orderings
*
* If the state of a resource is not known yet, a probe will be scheduled,
* expecting a "not running" result. If the probe fails, a stop will not be
* scheduled until the next transition. Thus, if there are ordering constraints
* like "stop this resource then do something else that's not for the same
* resource", add implicit "probe this resource then do something" equivalents
* so the relation is upheld until we know whether a stop is needed.
*
* \param[in,out] scheduler Scheduler data
*/
static void
add_probe_orderings_for_stops(pcmk_scheduler_t *scheduler)
{
for (GList *iter = scheduler->ordering_constraints; iter != NULL;
iter = iter->next) {
pcmk__action_relation_t *order = iter->data;
uint32_t order_flags = pcmk__ar_ordered;
GList *probes = NULL;
GList *then_actions = NULL;
pcmk_action_t *first = NULL;
pcmk_action_t *then = NULL;
// Skip disabled orderings
if (order->flags == pcmk__ar_none) {
continue;
}
// Skip non-resource orderings, and orderings for the same resource
if ((order->rsc1 == NULL) || (order->rsc1 == order->rsc2)) {
continue;
}
// Skip invalid orderings (shouldn't be possible)
first = order->action1;
then = order->action2;
if (((first == NULL) && (order->task1 == NULL))
|| ((then == NULL) && (order->task2 == NULL))) {
continue;
}
// Skip orderings for first actions other than stop
if ((first != NULL) && !pcmk__str_eq(first->task, PCMK_ACTION_STOP,
pcmk__str_none)) {
continue;
} else if ((first == NULL)
&& !pcmk__ends_with(order->task1,
"_" PCMK_ACTION_STOP "_0")) {
continue;
}
/* Do not imply a probe ordering for a resource inside of a stopping
* container. Otherwise, it might introduce a transition loop, since a
* probe could be scheduled after the container starts again.
*/
if ((order->rsc2 != NULL) && (order->rsc1->container == order->rsc2)) {
if ((then != NULL) && pcmk__str_eq(then->task, PCMK_ACTION_STOP,
pcmk__str_none)) {
continue;
} else if ((then == NULL)
&& pcmk__ends_with(order->task2,
"_" PCMK_ACTION_STOP "_0")) {
continue;
}
}
// Preserve certain order options for future filtering
if (pcmk_is_set(order->flags, pcmk__ar_if_first_unmigratable)) {
pcmk__set_relation_flags(order_flags,
pcmk__ar_if_first_unmigratable);
}
if (pcmk_is_set(order->flags, pcmk__ar_if_on_same_node)) {
pcmk__set_relation_flags(order_flags, pcmk__ar_if_on_same_node);
}
// Preserve certain order types for future filtering
if ((order->flags == pcmk__ar_if_required_on_same_node)
|| (order->flags == pcmk__ar_if_on_same_node_or_target)) {
order_flags = order->flags;
}
// List all scheduled probes for the first resource
probes = pe__resource_actions(order->rsc1, NULL, PCMK_ACTION_MONITOR,
FALSE);
if (probes == NULL) { // There aren't any
continue;
}
// List all relevant "then" actions
if (then != NULL) {
then_actions = g_list_prepend(NULL, then);
} else if (order->rsc2 != NULL) {
then_actions = find_actions(order->rsc2->actions, order->task2,
NULL);
if (then_actions == NULL) { // There aren't any
g_list_free(probes);
continue;
}
}
crm_trace("Implying 'probe then' orderings for '%s then %s' "
"(id=%d, type=%.6x)",
((first == NULL)? order->task1 : first->uuid),
((then == NULL)? order->task2 : then->uuid),
order->id, order->flags);
for (GList *probe_iter = probes; probe_iter != NULL;
probe_iter = probe_iter->next) {
pcmk_action_t *probe = (pcmk_action_t *) probe_iter->data;
for (GList *then_iter = then_actions; then_iter != NULL;
then_iter = then_iter->next) {
pcmk_action_t *then = (pcmk_action_t *) then_iter->data;
if (probe_needed_before_action(probe, then)) {
order_actions(probe, then, order_flags);
}
}
}
g_list_free(then_actions);
g_list_free(probes);
}
}
/*!
* \internal
* \brief Add necessary orderings between probe and starts of clone instances
*
* , in additon to the ordering with the parent resource added upon creating
* the probe.
*
* \param[in,out] probe Probe as 'first' action in an ordering
* \param[in,out] after 'then' action wrapper in the ordering
*/
static void
add_start_orderings_for_probe(pcmk_action_t *probe,
pcmk__related_action_t *after)
{
uint32_t flags = pcmk__ar_ordered|pcmk__ar_unrunnable_first_blocks;
/* Although the ordering between the probe of the clone instance and the
* start of its parent has been added in pcmk__probe_rsc_on_node(), we
* avoided enforcing `pcmk__ar_unrunnable_first_blocks` order type for that
* as long as any of the clone instances are running to prevent them from
* being unexpectedly stopped.
*
* On the other hand, we still need to prevent any inactive instances from
* starting unless the probe is runnable so that we don't risk starting too
* many instances before we know the state on all nodes.
*/
if ((after->action->rsc->variant <= pcmk_rsc_variant_group)
|| pcmk_is_set(probe->flags, pcmk_action_runnable)
// The order type is already enforced for its parent.
|| pcmk_is_set(after->type, pcmk__ar_unrunnable_first_blocks)
|| (pe__const_top_resource(probe->rsc, false) != after->action->rsc)
|| !pcmk__str_eq(after->action->task, PCMK_ACTION_START,
pcmk__str_none)) {
return;
}
crm_trace("Adding probe start orderings for 'unrunnable %s@%s "
"then instances of %s@%s'",
probe->uuid, pcmk__node_name(probe->node),
after->action->uuid, pcmk__node_name(after->action->node));
for (GList *then_iter = after->action->actions_after; then_iter != NULL;
then_iter = then_iter->next) {
pcmk__related_action_t *then = then_iter->data;
if (then->action->rsc->running_on
|| (pe__const_top_resource(then->action->rsc, false)
!= after->action->rsc)
|| !pcmk__str_eq(then->action->task, PCMK_ACTION_START,
pcmk__str_none)) {
continue;
}
crm_trace("Adding probe start ordering for 'unrunnable %s@%s "
"then %s@%s' (type=%#.6x)",
probe->uuid, pcmk__node_name(probe->node),
then->action->uuid, pcmk__node_name(then->action->node),
flags);
/* Prevent the instance from starting if the instance can't, but don't
* cause any other intances to stop if already active.
*/
order_actions(probe, then->action, flags);
}
return;
}
/*!
* \internal
* \brief Order probes before restarts and re-promotes
*
* If a given ordering is a "probe then start" or "probe then promote" ordering,
* add an implicit "probe then stop/demote" ordering in case the action is part
* of a restart/re-promote, and do the same recursively for all actions ordered
* after the "then" action.
*
* \param[in,out] probe Probe as 'first' action in an ordering
* \param[in,out] after 'then' action in the ordering
*/
static void
add_restart_orderings_for_probe(pcmk_action_t *probe, pcmk_action_t *after)
{
GList *iter = NULL;
bool interleave = false;
pcmk_resource_t *compatible_rsc = NULL;
// Validate that this is a resource probe followed by some action
if ((after == NULL) || (probe == NULL) || !pcmk__is_primitive(probe->rsc)
|| !pcmk__str_eq(probe->task, PCMK_ACTION_MONITOR, pcmk__str_none)) {
return;
}
// Avoid running into any possible loop
if (pcmk_is_set(after->flags, pcmk_action_detect_loop)) {
return;
}
pcmk__set_action_flags(after, pcmk_action_detect_loop);
crm_trace("Adding probe restart orderings for '%s@%s then %s@%s'",
probe->uuid, pcmk__node_name(probe->node),
after->uuid, pcmk__node_name(after->node));
/* Add restart orderings if "then" is for a different primitive.
* Orderings for collective resources will be added later.
*/
if (pcmk__is_primitive(after->rsc) && (probe->rsc != after->rsc)) {
GList *then_actions = NULL;
if (pcmk__str_eq(after->task, PCMK_ACTION_START, pcmk__str_none)) {
then_actions = pe__resource_actions(after->rsc, NULL,
PCMK_ACTION_STOP, FALSE);
} else if (pcmk__str_eq(after->task, PCMK_ACTION_PROMOTE,
pcmk__str_none)) {
then_actions = pe__resource_actions(after->rsc, NULL,
PCMK_ACTION_DEMOTE, FALSE);
}
for (iter = then_actions; iter != NULL; iter = iter->next) {
pcmk_action_t *then = (pcmk_action_t *) iter->data;
// Skip pseudo-actions (for example, those implied by fencing)
if (!pcmk_is_set(then->flags, pcmk_action_pseudo)) {
order_actions(probe, then, pcmk__ar_ordered);
}
}
g_list_free(then_actions);
}
/* Detect whether "then" is an interleaved clone action. For these, we want
* to add orderings only for the relevant instance.
*/
if ((after->rsc != NULL)
&& (after->rsc->variant > pcmk_rsc_variant_group)) {
const char *interleave_s = g_hash_table_lookup(after->rsc->meta,
PCMK_META_INTERLEAVE);
interleave = crm_is_true(interleave_s);
if (interleave) {
compatible_rsc = pcmk__find_compatible_instance(probe->rsc,
after->rsc,
pcmk_role_unknown,
false);
}
}
/* Now recursively do the same for all actions ordered after "then". This
* also handles collective resources since the collective action will be
* ordered before its individual instances' actions.
*/
for (iter = after->actions_after; iter != NULL; iter = iter->next) {
pcmk__related_action_t *after_wrapper = iter->data;
/* pcmk__ar_first_implies_then is the reason why a required A.start
* implies/enforces B.start to be required too, which is the cause of
* B.restart/re-promote.
*
* Not sure about pcmk__ar_first_implies_same_node_then though. It's now
* only used for unfencing case, which tends to introduce transition
* loops...
*/
if (!pcmk_is_set(after_wrapper->type, pcmk__ar_first_implies_then)) {
/* The order type between a group/clone and its child such as
* B.start-> B_child.start is:
* pcmk__ar_then_implies_first_graphed
* |pcmk__ar_unrunnable_first_blocks
*
* Proceed through the ordering chain and build dependencies with
* its children.
*/
if ((after->rsc == NULL)
|| (after->rsc->variant < pcmk_rsc_variant_group)
|| (probe->rsc->parent == after->rsc)
|| (after_wrapper->action->rsc == NULL)
|| (after_wrapper->action->rsc->variant > pcmk_rsc_variant_group)
|| (after->rsc != after_wrapper->action->rsc->parent)) {
continue;
}
/* Proceed to the children of a group or a non-interleaved clone.
* For an interleaved clone, proceed only to the relevant child.
*/
if ((after->rsc->variant > pcmk_rsc_variant_group) && interleave
&& ((compatible_rsc == NULL)
|| (compatible_rsc != after_wrapper->action->rsc))) {
continue;
}
}
crm_trace("Recursively adding probe restart orderings for "
"'%s@%s then %s@%s' (type=%#.6x)",
after->uuid, pcmk__node_name(after->node),
after_wrapper->action->uuid,
pcmk__node_name(after_wrapper->action->node),
after_wrapper->type);
add_restart_orderings_for_probe(probe, after_wrapper->action);
}
}
/*!
* \internal
* \brief Clear the tracking flag on all scheduled actions
*
* \param[in,out] scheduler Scheduler data
*/
static void
clear_actions_tracking_flag(pcmk_scheduler_t *scheduler)
{
for (GList *iter = scheduler->actions; iter != NULL; iter = iter->next) {
pcmk_action_t *action = iter->data;
pcmk__clear_action_flags(action, pcmk_action_detect_loop);
}
}
/*!
* \internal
* \brief Add start and restart orderings for probes scheduled for a resource
*
* \param[in,out] data Resource whose probes should be ordered
* \param[in] user_data Unused
*/
static void
add_start_restart_orderings_for_rsc(gpointer data, gpointer user_data)
{
pcmk_resource_t *rsc = data;
GList *probes = NULL;
// For collective resources, order each instance recursively
if (!pcmk__is_primitive(rsc)) {
g_list_foreach(rsc->children, add_start_restart_orderings_for_rsc,
NULL);
return;
}
// Find all probes for given resource
probes = pe__resource_actions(rsc, NULL, PCMK_ACTION_MONITOR, FALSE);
// Add probe restart orderings for each probe found
for (GList *iter = probes; iter != NULL; iter = iter->next) {
pcmk_action_t *probe = (pcmk_action_t *) iter->data;
for (GList *then_iter = probe->actions_after; then_iter != NULL;
then_iter = then_iter->next) {
pcmk__related_action_t *then = then_iter->data;
add_start_orderings_for_probe(probe, then);
add_restart_orderings_for_probe(probe, then->action);
clear_actions_tracking_flag(rsc->cluster);
}
}
g_list_free(probes);
}
/*!
* \internal
* \brief Add "A then probe B" orderings for "A then B" orderings
*
* \param[in,out] scheduler Scheduler data
*
* \note This function is currently disabled (see next comment).
*/
static void
order_then_probes(pcmk_scheduler_t *scheduler)
{
#if 0
/* Given an ordering "A then B", we would prefer to wait for A to be started
* before probing B.
*
* For example, if A is a filesystem which B can't even run without, it
* would be helpful if the author of B's agent could assume that A is
* running before B.monitor will be called.
*
* However, we can't _only_ probe after A is running, otherwise we wouldn't
* detect the state of B if A could not be started. We can't even do an
* opportunistic version of this, because B may be moving:
*
* A.stop -> A.start -> B.probe -> B.stop -> B.start
*
* and if we add B.stop -> A.stop here, we get a loop:
*
* A.stop -> A.start -> B.probe -> B.stop -> A.stop
*
* We could kill the "B.probe -> B.stop" dependency, but that could mean
* stopping B "too" soon, because B.start must wait for the probe, and
* we don't want to stop B if we can't start it.
*
* We could add the ordering only if A is an anonymous clone with
* clone-max == node-max (since we'll never be moving it). However, we could
* still be stopping one instance at the same time as starting another.
*
* The complexity of checking for allowed conditions combined with the ever
* narrowing use case suggests that this code should remain disabled until
* someone gets smarter.
*/
for (GList *iter = scheduler->resources; iter != NULL; iter = iter->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data;
pcmk_action_t *start = NULL;
GList *actions = NULL;
GList *probes = NULL;
actions = pe__resource_actions(rsc, NULL, PCMK_ACTION_START, FALSE);
if (actions) {
start = actions->data;
g_list_free(actions);
}
if (start == NULL) {
crm_debug("No start action for %s", rsc->id);
continue;
}
probes = pe__resource_actions(rsc, NULL, PCMK_ACTION_MONITOR, FALSE);
for (actions = start->actions_before; actions != NULL;
actions = actions->next) {
pcmk__related_action_t *before = actions->data;
pcmk_action_t *first = before->action;
pcmk_resource_t *first_rsc = first->rsc;
if (first->required_runnable_before) {
for (GList *clone_actions = first->actions_before;
clone_actions != NULL;
clone_actions = clone_actions->next) {
before = clone_actions->data;
crm_trace("Testing '%s then %s' for %s",
first->uuid, before->action->uuid, start->uuid);
CRM_ASSERT(before->action->rsc != NULL);
first_rsc = before->action->rsc;
break;
}
} else if (!pcmk__str_eq(first->task, PCMK_ACTION_START,
pcmk__str_none)) {
crm_trace("Not a start op %s for %s", first->uuid, start->uuid);
}
if (first_rsc == NULL) {
continue;
} else if (pe__const_top_resource(first_rsc, false)
== pe__const_top_resource(start->rsc, false)) {
crm_trace("Same parent %s for %s", first_rsc->id, start->uuid);
continue;
} else if (!pcmk__is_clone(pe__const_top_resource(first_rsc,
false))) {
crm_trace("Not a clone %s for %s", first_rsc->id, start->uuid);
continue;
}
crm_debug("Applying %s before %s %d", first->uuid, start->uuid,
pe__const_top_resource(first_rsc, false)->variant);
for (GList *probe_iter = probes; probe_iter != NULL;
probe_iter = probe_iter->next) {
pcmk_action_t *probe = (pcmk_action_t *) probe_iter->data;
crm_debug("Ordering %s before %s", first->uuid, probe->uuid);
order_actions(first, probe, pcmk__ar_ordered);
}
}
}
#endif
}
void
pcmk__order_probes(pcmk_scheduler_t *scheduler)
{
// Add orderings for "probe then X"
g_list_foreach(scheduler->resources, add_start_restart_orderings_for_rsc,
NULL);
add_probe_orderings_for_stops(scheduler);
order_then_probes(scheduler);
}
/*!
* \internal
* \brief Schedule any probes needed
*
* \param[in,out] scheduler Scheduler data
*
* \note This may also schedule fencing of failed remote nodes.
*/
void
pcmk__schedule_probes(pcmk_scheduler_t *scheduler)
{
// Schedule probes on each node in the cluster as needed
for (GList *iter = scheduler->nodes; iter != NULL; iter = iter->next) {
pcmk_node_t *node = (pcmk_node_t *) iter->data;
const char *probed = NULL;
if (!node->details->online) { // Don't probe offline nodes
if (pcmk__is_failed_remote_node(node)) {
pe_fence_node(scheduler, node,
"the connection is unrecoverable", FALSE);
}
continue;
} else if (node->details->unclean) { // ... or nodes that need fencing
continue;
} else if (!node->details->rsc_discovery_enabled) {
// The user requested that probes not be done on this node
continue;
}
/* This is no longer needed for live clusters, since the probe_complete
* node attribute will never be in the CIB. However this is still useful
* for processing old saved CIBs (< 1.1.14), including the
* reprobe-target_rc regression test.
*/
probed = pcmk__node_attr(node, CRM_OP_PROBED, NULL,
pcmk__rsc_node_current);
if (probed != NULL && crm_is_true(probed) == FALSE) {
pcmk_action_t *probe_op = NULL;
probe_op = custom_action(NULL,
crm_strdup_printf("%s-%s", CRM_OP_REPROBE,
node->details->uname),
CRM_OP_REPROBE, node, FALSE, scheduler);
pcmk__insert_meta(probe_op, PCMK__META_OP_NO_WAIT, PCMK_VALUE_TRUE);
continue;
}
// Probe each resource in the cluster on this node, as needed
pcmk__probe_resource_list(scheduler->resources, node);
}
}
diff --git a/lib/pacemaker/pcmk_sched_resource.c b/lib/pacemaker/pcmk_sched_resource.c
index 642c5bf970..bbaa24f34a 100644
--- a/lib/pacemaker/pcmk_sched_resource.c
+++ b/lib/pacemaker/pcmk_sched_resource.c
@@ -1,776 +1,776 @@
/*
* Copyright 2014-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU General Public License version 2
* or later (GPLv2+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <stdlib.h>
#include <string.h>
#include <crm/common/xml.h>
#include <pacemaker-internal.h>
#include "libpacemaker_private.h"
// Resource assignment methods by resource variant
static pcmk__assignment_methods_t assignment_methods[] = {
{
pcmk__primitive_assign,
pcmk__primitive_create_actions,
pcmk__probe_rsc_on_node,
pcmk__primitive_internal_constraints,
pcmk__primitive_apply_coloc_score,
pcmk__colocated_resources,
pcmk__with_primitive_colocations,
pcmk__primitive_with_colocations,
pcmk__add_colocated_node_scores,
pcmk__apply_location,
pcmk__primitive_action_flags,
pcmk__update_ordered_actions,
pcmk__output_resource_actions,
pcmk__add_rsc_actions_to_graph,
pcmk__primitive_add_graph_meta,
pcmk__primitive_add_utilization,
pcmk__primitive_shutdown_lock,
},
{
pcmk__group_assign,
pcmk__group_create_actions,
pcmk__probe_rsc_on_node,
pcmk__group_internal_constraints,
pcmk__group_apply_coloc_score,
pcmk__group_colocated_resources,
pcmk__with_group_colocations,
pcmk__group_with_colocations,
pcmk__group_add_colocated_node_scores,
pcmk__group_apply_location,
pcmk__group_action_flags,
pcmk__group_update_ordered_actions,
pcmk__output_resource_actions,
pcmk__add_rsc_actions_to_graph,
pcmk__noop_add_graph_meta,
pcmk__group_add_utilization,
pcmk__group_shutdown_lock,
},
{
pcmk__clone_assign,
pcmk__clone_create_actions,
pcmk__clone_create_probe,
pcmk__clone_internal_constraints,
pcmk__clone_apply_coloc_score,
pcmk__colocated_resources,
pcmk__with_clone_colocations,
pcmk__clone_with_colocations,
pcmk__add_colocated_node_scores,
pcmk__clone_apply_location,
pcmk__clone_action_flags,
pcmk__instance_update_ordered_actions,
pcmk__output_resource_actions,
pcmk__clone_add_actions_to_graph,
pcmk__clone_add_graph_meta,
pcmk__clone_add_utilization,
pcmk__clone_shutdown_lock,
},
{
pcmk__bundle_assign,
pcmk__bundle_create_actions,
pcmk__bundle_create_probe,
pcmk__bundle_internal_constraints,
pcmk__bundle_apply_coloc_score,
pcmk__colocated_resources,
pcmk__with_bundle_colocations,
pcmk__bundle_with_colocations,
pcmk__add_colocated_node_scores,
pcmk__bundle_apply_location,
pcmk__bundle_action_flags,
pcmk__instance_update_ordered_actions,
pcmk__output_bundle_actions,
pcmk__bundle_add_actions_to_graph,
pcmk__noop_add_graph_meta,
pcmk__bundle_add_utilization,
pcmk__bundle_shutdown_lock,
}
};
/*!
* \internal
* \brief Check whether a resource's agent standard, provider, or type changed
*
* \param[in,out] rsc Resource to check
* \param[in,out] node Node needing unfencing if agent changed
* \param[in] rsc_entry XML with previously known agent information
* \param[in] active_on_node Whether \p rsc is active on \p node
*
* \return true if agent for \p rsc changed, otherwise false
*/
bool
pcmk__rsc_agent_changed(pcmk_resource_t *rsc, pcmk_node_t *node,
const xmlNode *rsc_entry, bool active_on_node)
{
bool changed = false;
const char *attr_list[] = {
PCMK_XA_TYPE,
PCMK_XA_CLASS,
PCMK_XA_PROVIDER,
};
for (int i = 0; i < PCMK__NELEM(attr_list); i++) {
- const char *value = crm_element_value(rsc->xml, attr_list[i]);
+ const char *value = crm_element_value(rsc->private->xml, attr_list[i]);
const char *old_value = crm_element_value(rsc_entry, attr_list[i]);
if (!pcmk__str_eq(value, old_value, pcmk__str_none)) {
changed = true;
trigger_unfencing(rsc, node, "Device definition changed", NULL,
rsc->cluster);
if (active_on_node) {
crm_notice("Forcing restart of %s on %s "
"because %s changed from '%s' to '%s'",
rsc->id, pcmk__node_name(node), attr_list[i],
pcmk__s(old_value, ""), pcmk__s(value, ""));
}
}
}
if (changed && active_on_node) {
// Make sure the resource is restarted
custom_action(rsc, stop_key(rsc), PCMK_ACTION_STOP, node, FALSE,
rsc->cluster);
pcmk__set_rsc_flags(rsc, pcmk_rsc_start_pending);
}
return changed;
}
/*!
* \internal
* \brief Add resource (and any matching children) to list if it matches ID
*
* \param[in] result List to add resource to
* \param[in] rsc Resource to check
* \param[in] id ID to match
*
* \return (Possibly new) head of list
*/
static GList *
add_rsc_if_matching(GList *result, pcmk_resource_t *rsc, const char *id)
{
if (pcmk__str_eq(id, rsc->id, pcmk__str_none)
|| pcmk__str_eq(id, rsc->private->history_id, pcmk__str_none)) {
result = g_list_prepend(result, rsc);
}
for (GList *iter = rsc->children; iter != NULL; iter = iter->next) {
pcmk_resource_t *child = (pcmk_resource_t *) iter->data;
result = add_rsc_if_matching(result, child, id);
}
return result;
}
/*!
* \internal
* \brief Find all resources matching a given ID by either ID or clone name
*
* \param[in] id Resource ID to check
* \param[in] scheduler Scheduler data
*
* \return List of all resources that match \p id
* \note The caller is responsible for freeing the return value with
* g_list_free().
*/
GList *
pcmk__rscs_matching_id(const char *id, const pcmk_scheduler_t *scheduler)
{
GList *result = NULL;
CRM_CHECK((id != NULL) && (scheduler != NULL), return NULL);
for (GList *iter = scheduler->resources; iter != NULL; iter = iter->next) {
result = add_rsc_if_matching(result, (pcmk_resource_t *) iter->data,
id);
}
return result;
}
/*!
* \internal
* \brief Set the variant-appropriate assignment methods for a resource
*
* \param[in,out] data Resource to set assignment methods for
* \param[in] user_data Ignored
*/
static void
set_assignment_methods_for_rsc(gpointer data, gpointer user_data)
{
pcmk_resource_t *rsc = data;
rsc->private->cmds = &assignment_methods[rsc->variant];
g_list_foreach(rsc->children, set_assignment_methods_for_rsc, NULL);
}
/*!
* \internal
* \brief Set the variant-appropriate assignment methods for all resources
*
* \param[in,out] scheduler Scheduler data
*/
void
pcmk__set_assignment_methods(pcmk_scheduler_t *scheduler)
{
g_list_foreach(scheduler->resources, set_assignment_methods_for_rsc, NULL);
}
/*!
* \internal
* \brief Wrapper for colocated_resources() method for readability
*
* \param[in] rsc Resource to add to colocated list
* \param[in] orig_rsc Resource originally requested
* \param[in,out] list Pointer to list to add to
*
* \return (Possibly new) head of list
*/
static inline void
add_colocated_resources(const pcmk_resource_t *rsc,
const pcmk_resource_t *orig_rsc, GList **list)
{
*list = rsc->private->cmds->colocated_resources(rsc, orig_rsc, *list);
}
// Shared implementation of pcmk__assignment_methods_t:colocated_resources()
GList *
pcmk__colocated_resources(const pcmk_resource_t *rsc,
const pcmk_resource_t *orig_rsc,
GList *colocated_rscs)
{
const GList *iter = NULL;
GList *colocations = NULL;
if (orig_rsc == NULL) {
orig_rsc = rsc;
}
if ((rsc == NULL) || (g_list_find(colocated_rscs, rsc) != NULL)) {
return colocated_rscs;
}
pcmk__rsc_trace(orig_rsc, "%s is in colocation chain with %s",
rsc->id, orig_rsc->id);
colocated_rscs = g_list_prepend(colocated_rscs, (gpointer) rsc);
// Follow colocations where this resource is the dependent resource
colocations = pcmk__this_with_colocations(rsc);
for (iter = colocations; iter != NULL; iter = iter->next) {
const pcmk__colocation_t *constraint = iter->data;
const pcmk_resource_t *primary = constraint->primary;
if (primary == orig_rsc) {
continue; // Break colocation loop
}
if ((constraint->score == PCMK_SCORE_INFINITY) &&
(pcmk__colocation_affects(rsc, primary, constraint,
true) == pcmk__coloc_affects_location)) {
add_colocated_resources(primary, orig_rsc, &colocated_rscs);
}
}
g_list_free(colocations);
// Follow colocations where this resource is the primary resource
colocations = pcmk__with_this_colocations(rsc);
for (iter = colocations; iter != NULL; iter = iter->next) {
const pcmk__colocation_t *constraint = iter->data;
const pcmk_resource_t *dependent = constraint->dependent;
if (dependent == orig_rsc) {
continue; // Break colocation loop
}
if (pcmk__is_clone(rsc) && !pcmk__is_clone(dependent)) {
continue; // We can't be sure whether dependent will be colocated
}
if ((constraint->score == PCMK_SCORE_INFINITY) &&
(pcmk__colocation_affects(dependent, rsc, constraint,
true) == pcmk__coloc_affects_location)) {
add_colocated_resources(dependent, orig_rsc, &colocated_rscs);
}
}
g_list_free(colocations);
return colocated_rscs;
}
// No-op function for variants that don't need to implement add_graph_meta()
void
pcmk__noop_add_graph_meta(const pcmk_resource_t *rsc, xmlNode *xml)
{
}
/*!
* \internal
* \brief Output a summary of scheduled actions for a resource
*
* \param[in,out] rsc Resource to output actions for
*/
void
pcmk__output_resource_actions(pcmk_resource_t *rsc)
{
pcmk_node_t *next = NULL;
pcmk_node_t *current = NULL;
pcmk__output_t *out = NULL;
CRM_ASSERT(rsc != NULL);
out = rsc->cluster->priv;
if (rsc->children != NULL) {
for (GList *iter = rsc->children; iter != NULL; iter = iter->next) {
pcmk_resource_t *child = (pcmk_resource_t *) iter->data;
child->private->cmds->output_actions(child);
}
return;
}
next = rsc->allocated_to;
if (rsc->running_on) {
current = pcmk__current_node(rsc);
if (rsc->role == pcmk_role_stopped) {
/* This can occur when resources are being recovered because
* the current role can change in pcmk__primitive_create_actions()
*/
rsc->role = pcmk_role_started;
}
}
if ((current == NULL) && pcmk_is_set(rsc->flags, pcmk_rsc_removed)) {
/* Don't log stopped orphans */
return;
}
out->message(out, "rsc-action", rsc, current, next);
}
/*!
* \internal
* \brief Add a resource to a node's list of assigned resources
*
* \param[in,out] node Node to add resource to
* \param[in] rsc Resource to add
*/
static inline void
add_assigned_resource(pcmk_node_t *node, pcmk_resource_t *rsc)
{
node->details->allocated_rsc = g_list_prepend(node->details->allocated_rsc,
rsc);
}
/*!
* \internal
* \brief Assign a specified resource (of any variant) to a node
*
* Assign a specified resource and its children (if any) to a specified node, if
* the node can run the resource (or unconditionally, if \p force is true). Mark
* the resources as no longer provisional.
*
* If a resource can't be assigned (or \p node is \c NULL), unassign any
* previous assignment. If \p stop_if_fail is \c true, set next role to stopped
* and update any existing actions scheduled for the resource.
*
* \param[in,out] rsc Resource to assign
* \param[in,out] node Node to assign \p rsc to
* \param[in] force If true, assign to \p node even if unavailable
* \param[in] stop_if_fail If \c true and either \p rsc can't be assigned
* or \p chosen is \c NULL, set next role to
* stopped and update existing actions (if \p rsc
* is not a primitive, this applies to its
* primitive descendants instead)
*
* \return \c true if the assignment of \p rsc changed, or \c false otherwise
*
* \note Assigning a resource to the NULL node using this function is different
* from calling pcmk__unassign_resource(), in that it may also update any
* actions created for the resource.
* \note The \c pcmk__assignment_methods_t:assign() method is preferred, unless
* a resource should be assigned to the \c NULL node or every resource in
* a tree should be assigned to the same node.
* \note If \p stop_if_fail is \c false, then \c pcmk__unassign_resource() can
* completely undo the assignment. A successful assignment can be either
* undone or left alone as final. A failed assignment has the same effect
* as calling pcmk__unassign_resource(); there are no side effects on
* roles or actions.
*/
bool
pcmk__assign_resource(pcmk_resource_t *rsc, pcmk_node_t *node, bool force,
bool stop_if_fail)
{
bool changed = false;
CRM_ASSERT(rsc != NULL);
if (rsc->children != NULL) {
for (GList *iter = rsc->children; iter != NULL; iter = iter->next) {
pcmk_resource_t *child_rsc = iter->data;
changed |= pcmk__assign_resource(child_rsc, node, force,
stop_if_fail);
}
return changed;
}
// Assigning a primitive
if (!force && (node != NULL)
&& ((node->weight < 0)
// Allow graph to assume that guest node connections will come up
|| (!pcmk__node_available(node, true, false)
&& !pcmk__is_guest_or_bundle_node(node)))) {
pcmk__rsc_debug(rsc,
"All nodes for resource %s are unavailable, unclean or "
"shutting down (%s can%s run resources, with score %s)",
rsc->id, pcmk__node_name(node),
(pcmk__node_available(node, true, false)? "" : "not"),
pcmk_readable_score(node->weight));
if (stop_if_fail) {
pe__set_next_role(rsc, pcmk_role_stopped, "node availability");
}
node = NULL;
}
if (rsc->allocated_to != NULL) {
changed = !pcmk__same_node(rsc->allocated_to, node);
} else {
changed = (node != NULL);
}
pcmk__unassign_resource(rsc);
pcmk__clear_rsc_flags(rsc, pcmk_rsc_unassigned);
if (node == NULL) {
char *rc_stopped = NULL;
pcmk__rsc_debug(rsc, "Could not assign %s to a node", rsc->id);
if (!stop_if_fail) {
return changed;
}
pe__set_next_role(rsc, pcmk_role_stopped, "unable to assign");
for (GList *iter = rsc->actions; iter != NULL; iter = iter->next) {
pcmk_action_t *op = (pcmk_action_t *) iter->data;
pcmk__rsc_debug(rsc, "Updating %s for %s assignment failure",
op->uuid, rsc->id);
if (pcmk__str_eq(op->task, PCMK_ACTION_STOP, pcmk__str_none)) {
pcmk__clear_action_flags(op, pcmk_action_optional);
} else if (pcmk__str_eq(op->task, PCMK_ACTION_START,
pcmk__str_none)) {
pcmk__clear_action_flags(op, pcmk_action_runnable);
} else {
// Cancel recurring actions, unless for stopped state
const char *interval_ms_s = NULL;
const char *target_rc_s = NULL;
interval_ms_s = g_hash_table_lookup(op->meta,
PCMK_META_INTERVAL);
target_rc_s = g_hash_table_lookup(op->meta,
PCMK__META_OP_TARGET_RC);
if (rc_stopped == NULL) {
rc_stopped = pcmk__itoa(PCMK_OCF_NOT_RUNNING);
}
if (!pcmk__str_eq(interval_ms_s, "0", pcmk__str_null_matches)
&& !pcmk__str_eq(rc_stopped, target_rc_s, pcmk__str_none)) {
pcmk__clear_action_flags(op, pcmk_action_runnable);
}
}
}
free(rc_stopped);
return changed;
}
pcmk__rsc_debug(rsc, "Assigning %s to %s", rsc->id, pcmk__node_name(node));
rsc->allocated_to = pe__copy_node(node);
add_assigned_resource(node, rsc);
node->details->num_resources++;
node->count++;
pcmk__consume_node_capacity(node->details->utilization, rsc);
if (pcmk_is_set(rsc->cluster->flags, pcmk_sched_show_utilization)) {
pcmk__output_t *out = rsc->cluster->priv;
out->message(out, "resource-util", rsc, node, __func__);
}
return changed;
}
/*!
* \internal
* \brief Remove any node assignment from a specified resource and its children
*
* If a specified resource has been assigned to a node, remove that assignment
* and mark the resource as provisional again.
*
* \param[in,out] rsc Resource to unassign
*
* \note This function is called recursively on \p rsc and its children.
*/
void
pcmk__unassign_resource(pcmk_resource_t *rsc)
{
pcmk_node_t *old = rsc->allocated_to;
if (old == NULL) {
crm_info("Unassigning %s", rsc->id);
} else {
crm_info("Unassigning %s from %s", rsc->id, pcmk__node_name(old));
}
pcmk__set_rsc_flags(rsc, pcmk_rsc_unassigned);
if (rsc->children == NULL) {
if (old == NULL) {
return;
}
rsc->allocated_to = NULL;
/* We're going to free the pcmk_node_t, but its details member is shared
* and will remain, so update that appropriately first.
*/
old->details->allocated_rsc = g_list_remove(old->details->allocated_rsc,
rsc);
old->details->num_resources--;
pcmk__release_node_capacity(old->details->utilization, rsc);
free(old);
return;
}
for (GList *iter = rsc->children; iter != NULL; iter = iter->next) {
pcmk__unassign_resource((pcmk_resource_t *) iter->data);
}
}
/*!
* \internal
* \brief Check whether a resource has reached its migration threshold on a node
*
* \param[in,out] rsc Resource to check
* \param[in] node Node to check
* \param[out] failed If threshold has been reached, this will be set to
* resource that failed (possibly a parent of \p rsc)
*
* \return true if the migration threshold has been reached, false otherwise
*/
bool
pcmk__threshold_reached(pcmk_resource_t *rsc, const pcmk_node_t *node,
pcmk_resource_t **failed)
{
int fail_count, remaining_tries;
pcmk_resource_t *rsc_to_ban = rsc;
// Migration threshold of 0 means never force away
if (rsc->migration_threshold == 0) {
return false;
}
// If we're ignoring failures, also ignore the migration threshold
if (pcmk_is_set(rsc->flags, pcmk_rsc_ignore_failure)) {
return false;
}
// If there are no failures, there's no need to force away
fail_count = pe_get_failcount(node, rsc, NULL,
pcmk__fc_effective|pcmk__fc_fillers, NULL);
if (fail_count <= 0) {
return false;
}
// If failed resource is anonymous clone instance, we'll force clone away
if (!pcmk_is_set(rsc->flags, pcmk_rsc_unique)) {
rsc_to_ban = uber_parent(rsc);
}
// How many more times recovery will be tried on this node
remaining_tries = rsc->migration_threshold - fail_count;
if (remaining_tries <= 0) {
pcmk__sched_warn("%s cannot run on %s due to reaching migration "
"threshold (clean up resource to allow again)"
CRM_XS " failures=%d "
PCMK_META_MIGRATION_THRESHOLD "=%d",
rsc_to_ban->id, pcmk__node_name(node), fail_count,
rsc->migration_threshold);
if (failed != NULL) {
*failed = rsc_to_ban;
}
return true;
}
crm_info("%s can fail %d more time%s on "
"%s before reaching migration threshold (%d)",
rsc_to_ban->id, remaining_tries, pcmk__plural_s(remaining_tries),
pcmk__node_name(node), rsc->migration_threshold);
return false;
}
/*!
* \internal
* \brief Get a node's score
*
* \param[in] node Node with ID to check
* \param[in] nodes List of nodes to look for \p node score in
*
* \return Node's score, or -INFINITY if not found
*/
static int
get_node_score(const pcmk_node_t *node, GHashTable *nodes)
{
pcmk_node_t *found_node = NULL;
if ((node != NULL) && (nodes != NULL)) {
found_node = g_hash_table_lookup(nodes, node->details->id);
}
return (found_node == NULL)? -PCMK_SCORE_INFINITY : found_node->weight;
}
/*!
* \internal
* \brief Compare two resources according to which should be assigned first
*
* \param[in] a First resource to compare
* \param[in] b Second resource to compare
* \param[in] data Sorted list of all nodes in cluster
*
* \return -1 if \p a should be assigned before \b, 0 if they are equal,
* or +1 if \p a should be assigned after \b
*/
static gint
cmp_resources(gconstpointer a, gconstpointer b, gpointer data)
{
/* GLib insists that this function require gconstpointer arguments, but we
* make a small, temporary change to each argument (setting the
* pe_rsc_merging flag) during comparison
*/
pcmk_resource_t *resource1 = (pcmk_resource_t *) a;
pcmk_resource_t *resource2 = (pcmk_resource_t *) b;
const GList *nodes = data;
int rc = 0;
int r1_score = -PCMK_SCORE_INFINITY;
int r2_score = -PCMK_SCORE_INFINITY;
pcmk_node_t *r1_node = NULL;
pcmk_node_t *r2_node = NULL;
GHashTable *r1_nodes = NULL;
GHashTable *r2_nodes = NULL;
const char *reason = NULL;
// Resources with highest priority should be assigned first
reason = "priority";
r1_score = resource1->priority;
r2_score = resource2->priority;
if (r1_score > r2_score) {
rc = -1;
goto done;
}
if (r1_score < r2_score) {
rc = 1;
goto done;
}
// We need nodes to make any other useful comparisons
reason = "no node list";
if (nodes == NULL) {
goto done;
}
// Calculate and log node scores
resource1->private->cmds->add_colocated_node_scores(resource1, NULL,
resource1->id,
&r1_nodes, NULL, 1,
pcmk__coloc_select_this_with);
resource2->private->cmds->add_colocated_node_scores(resource2, NULL,
resource2->id,
&r2_nodes, NULL, 1,
pcmk__coloc_select_this_with);
pe__show_node_scores(true, NULL, resource1->id, r1_nodes,
resource1->cluster);
pe__show_node_scores(true, NULL, resource2->id, r2_nodes,
resource2->cluster);
// The resource with highest score on its current node goes first
reason = "current location";
if (resource1->running_on != NULL) {
r1_node = pcmk__current_node(resource1);
}
if (resource2->running_on != NULL) {
r2_node = pcmk__current_node(resource2);
}
r1_score = get_node_score(r1_node, r1_nodes);
r2_score = get_node_score(r2_node, r2_nodes);
if (r1_score > r2_score) {
rc = -1;
goto done;
}
if (r1_score < r2_score) {
rc = 1;
goto done;
}
// Otherwise a higher score on any node will do
reason = "score";
for (const GList *iter = nodes; iter != NULL; iter = iter->next) {
const pcmk_node_t *node = (const pcmk_node_t *) iter->data;
r1_score = get_node_score(node, r1_nodes);
r2_score = get_node_score(node, r2_nodes);
if (r1_score > r2_score) {
rc = -1;
goto done;
}
if (r1_score < r2_score) {
rc = 1;
goto done;
}
}
done:
crm_trace("%s (%d)%s%s %c %s (%d)%s%s: %s",
resource1->id, r1_score,
((r1_node == NULL)? "" : " on "),
((r1_node == NULL)? "" : r1_node->details->id),
((rc < 0)? '>' : ((rc > 0)? '<' : '=')),
resource2->id, r2_score,
((r2_node == NULL)? "" : " on "),
((r2_node == NULL)? "" : r2_node->details->id),
reason);
if (r1_nodes != NULL) {
g_hash_table_destroy(r1_nodes);
}
if (r2_nodes != NULL) {
g_hash_table_destroy(r2_nodes);
}
return rc;
}
/*!
* \internal
* \brief Sort resources in the order they should be assigned to nodes
*
* \param[in,out] scheduler Scheduler data
*/
void
pcmk__sort_resources(pcmk_scheduler_t *scheduler)
{
GList *nodes = g_list_copy(scheduler->nodes);
nodes = pcmk__sort_nodes(nodes, NULL);
scheduler->resources = g_list_sort_with_data(scheduler->resources,
cmp_resources, nodes);
g_list_free(nodes);
}
diff --git a/lib/pacemaker/pcmk_scheduler.c b/lib/pacemaker/pcmk_scheduler.c
index 7eb0477cd2..ad1c0ec796 100644
--- a/lib/pacemaker/pcmk_scheduler.c
+++ b/lib/pacemaker/pcmk_scheduler.c
@@ -1,894 +1,894 @@
/*
* Copyright 2004-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU General Public License version 2
* or later (GPLv2+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <crm/crm.h>
#include <crm/cib.h>
#include <crm/cib/internal.h>
#include <crm/common/xml.h>
#include <crm/common/xml_internal.h>
#include <crm/common/scheduler_internal.h>
#include <glib.h>
#include <crm/pengine/status.h>
#include <pacemaker-internal.h>
#include "libpacemaker_private.h"
CRM_TRACE_INIT_DATA(pacemaker);
/*!
* \internal
* \brief Do deferred action checks after assignment
*
* When unpacking the resource history, the scheduler checks for resource
* configurations that have changed since an action was run. However, at that
* time, bundles using the REMOTE_CONTAINER_HACK don't have their final
* parameter information, so instead they add a deferred check to a list. This
* function processes one entry in that list.
*
* \param[in,out] rsc Resource that action history is for
* \param[in,out] node Node that action history is for
* \param[in] rsc_op Action history entry
* \param[in] check Type of deferred check to do
*/
static void
check_params(pcmk_resource_t *rsc, pcmk_node_t *node, const xmlNode *rsc_op,
enum pcmk__check_parameters check)
{
const char *reason = NULL;
pcmk__op_digest_t *digest_data = NULL;
switch (check) {
case pcmk__check_active:
if (pcmk__check_action_config(rsc, node, rsc_op)
&& pe_get_failcount(node, rsc, NULL, pcmk__fc_effective,
NULL)) {
reason = "action definition changed";
}
break;
case pcmk__check_last_failure:
digest_data = rsc_action_digest_cmp(rsc, rsc_op, node,
rsc->cluster);
switch (digest_data->rc) {
case pcmk__digest_unknown:
crm_trace("Resource %s history entry %s on %s has "
"no digest to compare",
rsc->id, pcmk__xe_id(rsc_op), node->details->id);
break;
case pcmk__digest_match:
break;
default:
reason = "resource parameters have changed";
break;
}
break;
}
if (reason != NULL) {
pe__clear_failcount(rsc, node, reason, rsc->cluster);
}
}
/*!
* \internal
* \brief Check whether a resource has failcount clearing scheduled on a node
*
* \param[in] node Node to check
* \param[in] rsc Resource to check
*
* \return true if \p rsc has failcount clearing scheduled on \p node,
* otherwise false
*/
static bool
failcount_clear_action_exists(const pcmk_node_t *node,
const pcmk_resource_t *rsc)
{
GList *list = pe__resource_actions(rsc, node, PCMK_ACTION_CLEAR_FAILCOUNT,
TRUE);
if (list != NULL) {
g_list_free(list);
return true;
}
return false;
}
/*!
* \internal
* \brief Ban a resource from a node if it reached its failure threshold there
*
* \param[in,out] data Resource to check failure threshold for
* \param[in] user_data Node to check resource on
*/
static void
check_failure_threshold(gpointer data, gpointer user_data)
{
pcmk_resource_t *rsc = data;
const pcmk_node_t *node = user_data;
// If this is a collective resource, apply recursively to children instead
if (rsc->children != NULL) {
g_list_foreach(rsc->children, check_failure_threshold, user_data);
return;
}
if (!failcount_clear_action_exists(node, rsc)) {
/* Don't force the resource away from this node due to a failcount
* that's going to be cleared.
*
* @TODO Failcount clearing can be scheduled in
* pcmk__handle_rsc_config_changes() via process_rsc_history(), or in
* schedule_resource_actions() via check_params(). This runs well before
* then, so it cannot detect those, meaning we might check the migration
* threshold when we shouldn't. Worst case, we stop or move the
* resource, then move it back in the next transition.
*/
pcmk_resource_t *failed = NULL;
if (pcmk__threshold_reached(rsc, node, &failed)) {
resource_location(failed, node, -PCMK_SCORE_INFINITY,
"__fail_limit__", rsc->cluster);
}
}
}
/*!
* \internal
* \brief If resource has exclusive discovery, ban node if not allowed
*
* Location constraints have a PCMK_XA_RESOURCE_DISCOVERY option that allows
* users to specify where probes are done for the affected resource. If this is
* set to \c exclusive, probes will only be done on nodes listed in exclusive
* constraints. This function bans the resource from the node if the node is not
* listed.
*
* \param[in,out] data Resource to check
* \param[in] user_data Node to check resource on
*/
static void
apply_exclusive_discovery(gpointer data, gpointer user_data)
{
pcmk_resource_t *rsc = data;
const pcmk_node_t *node = user_data;
if (rsc->exclusive_discover
|| pe__const_top_resource(rsc, false)->exclusive_discover) {
pcmk_node_t *match = NULL;
// If this is a collective resource, apply recursively to children
g_list_foreach(rsc->children, apply_exclusive_discovery, user_data);
match = g_hash_table_lookup(rsc->allowed_nodes, node->details->id);
if ((match != NULL)
&& (match->rsc_discover_mode != pcmk_probe_exclusive)) {
match->weight = -PCMK_SCORE_INFINITY;
}
}
}
/*!
* \internal
* \brief Apply stickiness to a resource if appropriate
*
* \param[in,out] data Resource to check for stickiness
* \param[in] user_data Ignored
*/
static void
apply_stickiness(gpointer data, gpointer user_data)
{
pcmk_resource_t *rsc = data;
pcmk_node_t *node = NULL;
// If this is a collective resource, apply recursively to children instead
if (rsc->children != NULL) {
g_list_foreach(rsc->children, apply_stickiness, NULL);
return;
}
/* A resource is sticky if it is managed, has stickiness configured, and is
* active on a single node.
*/
if (!pcmk_is_set(rsc->flags, pcmk_rsc_managed)
|| (rsc->stickiness < 1) || !pcmk__list_of_1(rsc->running_on)) {
return;
}
node = rsc->running_on->data;
/* In a symmetric cluster, stickiness can always be used. In an
* asymmetric cluster, we have to check whether the resource is still
* allowed on the node, so we don't keep the resource somewhere it is no
* longer explicitly enabled.
*/
if (!pcmk_is_set(rsc->cluster->flags, pcmk_sched_symmetric_cluster)
&& (g_hash_table_lookup(rsc->allowed_nodes,
node->details->id) == NULL)) {
pcmk__rsc_debug(rsc,
"Ignoring %s stickiness because the cluster is "
"asymmetric and %s is not explicitly allowed",
rsc->id, pcmk__node_name(node));
return;
}
pcmk__rsc_debug(rsc, "Resource %s has %d stickiness on %s",
rsc->id, rsc->stickiness, pcmk__node_name(node));
resource_location(rsc, node, rsc->stickiness, "stickiness", rsc->cluster);
}
/*!
* \internal
* \brief Apply shutdown locks for all resources as appropriate
*
* \param[in,out] scheduler Scheduler data
*/
static void
apply_shutdown_locks(pcmk_scheduler_t *scheduler)
{
if (!pcmk_is_set(scheduler->flags, pcmk_sched_shutdown_lock)) {
return;
}
for (GList *iter = scheduler->resources; iter != NULL; iter = iter->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data;
rsc->private->cmds->shutdown_lock(rsc);
}
}
/*!
* \internal
* \brief Calculate the number of available nodes in the cluster
*
* \param[in,out] scheduler Scheduler data
*/
static void
count_available_nodes(pcmk_scheduler_t *scheduler)
{
if (pcmk_is_set(scheduler->flags, pcmk_sched_no_compat)) {
return;
}
// @COMPAT for API backward compatibility only (cluster does not use value)
for (GList *iter = scheduler->nodes; iter != NULL; iter = iter->next) {
pcmk_node_t *node = (pcmk_node_t *) iter->data;
if ((node != NULL) && (node->weight >= 0) && node->details->online
&& (node->details->type != node_ping)) {
scheduler->max_valid_nodes++;
}
}
crm_trace("Online node count: %d", scheduler->max_valid_nodes);
}
/*
* \internal
* \brief Apply node-specific scheduling criteria
*
* After the CIB has been unpacked, process node-specific scheduling criteria
* including shutdown locks, location constraints, resource stickiness,
* migration thresholds, and exclusive resource discovery.
*/
static void
apply_node_criteria(pcmk_scheduler_t *scheduler)
{
crm_trace("Applying node-specific scheduling criteria");
apply_shutdown_locks(scheduler);
count_available_nodes(scheduler);
pcmk__apply_locations(scheduler);
g_list_foreach(scheduler->resources, apply_stickiness, NULL);
for (GList *node_iter = scheduler->nodes; node_iter != NULL;
node_iter = node_iter->next) {
for (GList *rsc_iter = scheduler->resources; rsc_iter != NULL;
rsc_iter = rsc_iter->next) {
check_failure_threshold(rsc_iter->data, node_iter->data);
apply_exclusive_discovery(rsc_iter->data, node_iter->data);
}
}
}
/*!
* \internal
* \brief Assign resources to nodes
*
* \param[in,out] scheduler Scheduler data
*/
static void
assign_resources(pcmk_scheduler_t *scheduler)
{
GList *iter = NULL;
crm_trace("Assigning resources to nodes");
if (!pcmk__str_eq(scheduler->placement_strategy, PCMK_VALUE_DEFAULT,
pcmk__str_casei)) {
pcmk__sort_resources(scheduler);
}
pcmk__show_node_capacities("Original", scheduler);
if (pcmk_is_set(scheduler->flags, pcmk_sched_have_remote_nodes)) {
/* Assign remote connection resources first (which will also assign any
* colocation dependencies). If the connection is migrating, always
* prefer the partial migration target.
*/
for (iter = scheduler->resources; iter != NULL; iter = iter->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data;
if (rsc->is_remote_node) {
pcmk__rsc_trace(rsc, "Assigning remote connection resource '%s'",
rsc->id);
rsc->private->cmds->assign(rsc, rsc->partial_migration_target,
true);
}
}
}
/* now do the rest of the resources */
for (iter = scheduler->resources; iter != NULL; iter = iter->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data;
if (!rsc->is_remote_node) {
pcmk__rsc_trace(rsc, "Assigning %s resource '%s'",
- rsc->xml->name, rsc->id);
+ rsc->private->xml->name, rsc->id);
rsc->private->cmds->assign(rsc, NULL, true);
}
}
pcmk__show_node_capacities("Remaining", scheduler);
}
/*!
* \internal
* \brief Schedule fail count clearing on online nodes if resource is orphaned
*
* \param[in,out] data Resource to check
* \param[in] user_data Ignored
*/
static void
clear_failcounts_if_orphaned(gpointer data, gpointer user_data)
{
pcmk_resource_t *rsc = data;
if (!pcmk_is_set(rsc->flags, pcmk_rsc_removed)) {
return;
}
crm_trace("Clear fail counts for orphaned resource %s", rsc->id);
/* There's no need to recurse into rsc->children because those
* should just be unassigned clone instances.
*/
for (GList *iter = rsc->cluster->nodes; iter != NULL; iter = iter->next) {
pcmk_node_t *node = (pcmk_node_t *) iter->data;
pcmk_action_t *clear_op = NULL;
if (!node->details->online) {
continue;
}
if (pe_get_failcount(node, rsc, NULL, pcmk__fc_effective, NULL) == 0) {
continue;
}
clear_op = pe__clear_failcount(rsc, node, "it is orphaned",
rsc->cluster);
/* We can't use order_action_then_stop() here because its
* pcmk__ar_guest_allowed breaks things
*/
pcmk__new_ordering(clear_op->rsc, NULL, clear_op, rsc, stop_key(rsc),
NULL, pcmk__ar_ordered, rsc->cluster);
}
}
/*!
* \internal
* \brief Schedule any resource actions needed
*
* \param[in,out] scheduler Scheduler data
*/
static void
schedule_resource_actions(pcmk_scheduler_t *scheduler)
{
// Process deferred action checks
pe__foreach_param_check(scheduler, check_params);
pe__free_param_checks(scheduler);
if (pcmk_is_set(scheduler->flags, pcmk_sched_probe_resources)) {
crm_trace("Scheduling probes");
pcmk__schedule_probes(scheduler);
}
if (pcmk_is_set(scheduler->flags, pcmk_sched_stop_removed_resources)) {
g_list_foreach(scheduler->resources, clear_failcounts_if_orphaned,
NULL);
}
crm_trace("Scheduling resource actions");
for (GList *iter = scheduler->resources; iter != NULL; iter = iter->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data;
rsc->private->cmds->create_actions(rsc);
}
}
/*!
* \internal
* \brief Check whether a resource or any of its descendants are managed
*
* \param[in] rsc Resource to check
*
* \return true if resource or any descendant is managed, otherwise false
*/
static bool
is_managed(const pcmk_resource_t *rsc)
{
if (pcmk_is_set(rsc->flags, pcmk_rsc_managed)) {
return true;
}
for (GList *iter = rsc->children; iter != NULL; iter = iter->next) {
if (is_managed((pcmk_resource_t *) iter->data)) {
return true;
}
}
return false;
}
/*!
* \internal
* \brief Check whether any resources in the cluster are managed
*
* \param[in] scheduler Scheduler data
*
* \return true if any resource is managed, otherwise false
*/
static bool
any_managed_resources(const pcmk_scheduler_t *scheduler)
{
for (const GList *iter = scheduler->resources;
iter != NULL; iter = iter->next) {
if (is_managed((const pcmk_resource_t *) iter->data)) {
return true;
}
}
return false;
}
/*!
* \internal
* \brief Check whether a node requires fencing
*
* \param[in] node Node to check
* \param[in] have_managed Whether any resource in cluster is managed
*
* \return true if \p node should be fenced, otherwise false
*/
static bool
needs_fencing(const pcmk_node_t *node, bool have_managed)
{
return have_managed && node->details->unclean
&& pe_can_fence(node->details->data_set, node);
}
/*!
* \internal
* \brief Check whether a node requires shutdown
*
* \param[in] node Node to check
*
* \return true if \p node should be shut down, otherwise false
*/
static bool
needs_shutdown(const pcmk_node_t *node)
{
if (pcmk__is_pacemaker_remote_node(node)) {
/* Do not send shutdown actions for Pacemaker Remote nodes.
* @TODO We might come up with a good use for this in the future.
*/
return false;
}
return node->details->online && node->details->shutdown;
}
/*!
* \internal
* \brief Track and order non-DC fencing
*
* \param[in,out] list List of existing non-DC fencing actions
* \param[in,out] action Fencing action to prepend to \p list
* \param[in] scheduler Scheduler data
*
* \return (Possibly new) head of \p list
*/
static GList *
add_nondc_fencing(GList *list, pcmk_action_t *action,
const pcmk_scheduler_t *scheduler)
{
if (!pcmk_is_set(scheduler->flags, pcmk_sched_concurrent_fencing)
&& (list != NULL)) {
/* Concurrent fencing is disabled, so order each non-DC
* fencing in a chain. If there is any DC fencing or
* shutdown, it will be ordered after the last action in the
* chain later.
*/
order_actions((pcmk_action_t *) list->data, action, pcmk__ar_ordered);
}
return g_list_prepend(list, action);
}
/*!
* \internal
* \brief Schedule a node for fencing
*
* \param[in,out] node Node that requires fencing
*/
static pcmk_action_t *
schedule_fencing(pcmk_node_t *node)
{
pcmk_action_t *fencing = pe_fence_op(node, NULL, FALSE, "node is unclean",
FALSE, node->details->data_set);
pcmk__sched_warn("Scheduling node %s for fencing", pcmk__node_name(node));
pcmk__order_vs_fence(fencing, node->details->data_set);
return fencing;
}
/*!
* \internal
* \brief Create and order node fencing and shutdown actions
*
* \param[in,out] scheduler Scheduler data
*/
static void
schedule_fencing_and_shutdowns(pcmk_scheduler_t *scheduler)
{
pcmk_action_t *dc_down = NULL;
bool integrity_lost = false;
bool have_managed = any_managed_resources(scheduler);
GList *fencing_ops = NULL;
GList *shutdown_ops = NULL;
crm_trace("Scheduling fencing and shutdowns as needed");
if (!have_managed) {
crm_notice("No fencing will be done until there are resources "
"to manage");
}
// Check each node for whether it needs fencing or shutdown
for (GList *iter = scheduler->nodes; iter != NULL; iter = iter->next) {
pcmk_node_t *node = (pcmk_node_t *) iter->data;
pcmk_action_t *fencing = NULL;
/* Guest nodes are "fenced" by recovering their container resource,
* so handle them separately.
*/
if (pcmk__is_guest_or_bundle_node(node)) {
if (node->details->remote_requires_reset && have_managed
&& pe_can_fence(scheduler, node)) {
pcmk__fence_guest(node);
}
continue;
}
if (needs_fencing(node, have_managed)) {
fencing = schedule_fencing(node);
// Track DC and non-DC fence actions separately
if (node->details->is_dc) {
dc_down = fencing;
} else {
fencing_ops = add_nondc_fencing(fencing_ops, fencing,
scheduler);
}
} else if (needs_shutdown(node)) {
pcmk_action_t *down_op = pcmk__new_shutdown_action(node);
// Track DC and non-DC shutdown actions separately
if (node->details->is_dc) {
dc_down = down_op;
} else {
shutdown_ops = g_list_prepend(shutdown_ops, down_op);
}
}
if ((fencing == NULL) && node->details->unclean) {
integrity_lost = true;
pcmk__config_warn("Node %s is unclean but cannot be fenced",
pcmk__node_name(node));
}
}
if (integrity_lost) {
if (!pcmk_is_set(scheduler->flags, pcmk_sched_fencing_enabled)) {
pcmk__config_warn("Resource functionality and data integrity "
"cannot be guaranteed (configure, enable, "
"and test fencing to correct this)");
} else if (!pcmk_is_set(scheduler->flags, pcmk_sched_quorate)) {
crm_notice("Unclean nodes will not be fenced until quorum is "
"attained or " PCMK_OPT_NO_QUORUM_POLICY " is set to "
PCMK_VALUE_IGNORE);
}
}
if (dc_down != NULL) {
/* Order any non-DC shutdowns before any DC shutdown, to avoid repeated
* DC elections. However, we don't want to order non-DC shutdowns before
* a DC *fencing*, because even though we don't want a node that's
* shutting down to become DC, the DC fencing could be ordered before a
* clone stop that's also ordered before the shutdowns, thus leading to
* a graph loop.
*/
if (pcmk__str_eq(dc_down->task, PCMK_ACTION_DO_SHUTDOWN,
pcmk__str_none)) {
pcmk__order_after_each(dc_down, shutdown_ops);
}
// Order any non-DC fencing before any DC fencing or shutdown
if (pcmk_is_set(scheduler->flags, pcmk_sched_concurrent_fencing)) {
/* With concurrent fencing, order each non-DC fencing action
* separately before any DC fencing or shutdown.
*/
pcmk__order_after_each(dc_down, fencing_ops);
} else if (fencing_ops != NULL) {
/* Without concurrent fencing, the non-DC fencing actions are
* already ordered relative to each other, so we just need to order
* the DC fencing after the last action in the chain (which is the
* first item in the list).
*/
order_actions((pcmk_action_t *) fencing_ops->data, dc_down,
pcmk__ar_ordered);
}
}
g_list_free(fencing_ops);
g_list_free(shutdown_ops);
}
static void
log_resource_details(pcmk_scheduler_t *scheduler)
{
pcmk__output_t *out = scheduler->priv;
GList *all = NULL;
/* Due to the `crm_mon --node=` feature, out->message() for all the
* resource-related messages expects a list of nodes that we are allowed to
* output information for. Here, we create a wildcard to match all nodes.
*/
all = g_list_prepend(all, (gpointer) "*");
for (GList *item = scheduler->resources; item != NULL; item = item->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) item->data;
// Log all resources except inactive orphans
if (!pcmk_is_set(rsc->flags, pcmk_rsc_removed)
|| (rsc->role != pcmk_role_stopped)) {
- out->message(out, pcmk__map_element_name(rsc->xml), 0UL, rsc, all,
- all);
+ out->message(out, pcmk__map_element_name(rsc->private->xml), 0UL,
+ rsc, all, all);
}
}
g_list_free(all);
}
static void
log_all_actions(pcmk_scheduler_t *scheduler)
{
/* This only ever outputs to the log, so ignore whatever output object was
* previously set and just log instead.
*/
pcmk__output_t *prev_out = scheduler->priv;
pcmk__output_t *out = NULL;
if (pcmk__log_output_new(&out) != pcmk_rc_ok) {
return;
}
pe__register_messages(out);
pcmk__register_lib_messages(out);
pcmk__output_set_log_level(out, LOG_NOTICE);
scheduler->priv = out;
out->begin_list(out, NULL, NULL, "Actions");
pcmk__output_actions(scheduler);
out->end_list(out);
out->finish(out, CRM_EX_OK, true, NULL);
pcmk__output_free(out);
scheduler->priv = prev_out;
}
/*!
* \internal
* \brief Log all required but unrunnable actions at trace level
*
* \param[in] scheduler Scheduler data
*/
static void
log_unrunnable_actions(const pcmk_scheduler_t *scheduler)
{
const uint64_t flags = pcmk_action_optional
|pcmk_action_runnable
|pcmk_action_pseudo;
crm_trace("Required but unrunnable actions:");
for (const GList *iter = scheduler->actions;
iter != NULL; iter = iter->next) {
const pcmk_action_t *action = (const pcmk_action_t *) iter->data;
if (!pcmk_any_flags_set(action->flags, flags)) {
pcmk__log_action("\t", action, true);
}
}
}
/*!
* \internal
* \brief Unpack the CIB for scheduling
*
* \param[in,out] cib CIB XML to unpack (may be NULL if already unpacked)
* \param[in] flags Scheduler flags to set in addition to defaults
* \param[in,out] scheduler Scheduler data
*/
static void
unpack_cib(xmlNode *cib, unsigned long long flags, pcmk_scheduler_t *scheduler)
{
const char* localhost_save = NULL;
if (pcmk_is_set(scheduler->flags, pcmk_sched_have_status)) {
crm_trace("Reusing previously calculated cluster status");
pcmk__set_scheduler_flags(scheduler, flags);
return;
}
if (scheduler->localhost) {
localhost_save = scheduler->localhost;
}
CRM_ASSERT(cib != NULL);
crm_trace("Calculating cluster status");
/* This will zero the entire struct without freeing anything first, so
* callers should never call pcmk__schedule_actions() with a populated data
* set unless pcmk_sched_have_status is set (i.e. cluster_status() was
* previously called, whether directly or via pcmk__schedule_actions()).
*/
set_working_set_defaults(scheduler);
if (localhost_save) {
scheduler->localhost = localhost_save;
}
pcmk__set_scheduler_flags(scheduler, flags);
scheduler->input = cib;
cluster_status(scheduler); // Sets pcmk_sched_have_status
}
/*!
* \internal
* \brief Run the scheduler for a given CIB
*
* \param[in,out] cib CIB XML to use as scheduler input
* \param[in] flags Scheduler flags to set in addition to defaults
* \param[in,out] scheduler Scheduler data
*/
void
pcmk__schedule_actions(xmlNode *cib, unsigned long long flags,
pcmk_scheduler_t *scheduler)
{
unpack_cib(cib, flags, scheduler);
pcmk__set_assignment_methods(scheduler);
pcmk__apply_node_health(scheduler);
pcmk__unpack_constraints(scheduler);
if (pcmk_is_set(scheduler->flags, pcmk_sched_validate_only)) {
return;
}
if (!pcmk_is_set(scheduler->flags, pcmk_sched_location_only)
&& pcmk__is_daemon) {
log_resource_details(scheduler);
}
apply_node_criteria(scheduler);
if (pcmk_is_set(scheduler->flags, pcmk_sched_location_only)) {
return;
}
pcmk__create_internal_constraints(scheduler);
pcmk__handle_rsc_config_changes(scheduler);
assign_resources(scheduler);
schedule_resource_actions(scheduler);
/* Remote ordering constraints need to happen prior to calculating fencing
* because it is one more place we can mark nodes as needing fencing.
*/
pcmk__order_remote_connection_actions(scheduler);
schedule_fencing_and_shutdowns(scheduler);
pcmk__apply_orderings(scheduler);
log_all_actions(scheduler);
pcmk__create_graph(scheduler);
if (get_crm_log_level() == LOG_TRACE) {
log_unrunnable_actions(scheduler);
}
}
/*!
* \internal
* \brief Initialize scheduler data
*
* Make our own copies of the CIB XML and date/time object, if they're not
* \c NULL. This way we don't have to take ownership of the objects passed via
* the API.
*
* This function is most useful for public API functions that want the caller
* to retain ownership of the CIB object
*
* \param[in,out] out Output object
* \param[in] input The CIB XML to check (if \c NULL, use current CIB)
* \param[in] date Date and time to use in the scheduler (if \c NULL,
* use current date and time). This can be used for
* checking whether a rule is in effect at a certa
* date and time.
* \param[out] scheduler Where to store initialized scheduler data
*
* \return Standard Pacemaker return code
*/
int
pcmk__init_scheduler(pcmk__output_t *out, xmlNodePtr input, const crm_time_t *date,
pcmk_scheduler_t **scheduler)
{
// Allows for cleaner syntax than dereferencing the scheduler argument
pcmk_scheduler_t *new_scheduler = NULL;
new_scheduler = pe_new_working_set();
if (new_scheduler == NULL) {
return ENOMEM;
}
pcmk__set_scheduler_flags(new_scheduler,
pcmk_sched_no_counts|pcmk_sched_no_compat);
// Populate the scheduler data
// Make our own copy of the given input or fetch the CIB and use that
if (input != NULL) {
new_scheduler->input = pcmk__xml_copy(NULL, input);
if (new_scheduler->input == NULL) {
out->err(out, "Failed to copy input XML");
pe_free_working_set(new_scheduler);
return ENOMEM;
}
} else {
int rc = cib__signon_query(out, NULL, &(new_scheduler->input));
if (rc != pcmk_rc_ok) {
pe_free_working_set(new_scheduler);
return rc;
}
}
// Make our own copy of the given crm_time_t object; otherwise
// cluster_status() populates with the current time
if (date != NULL) {
// pcmk_copy_time() guarantees non-NULL
new_scheduler->now = pcmk_copy_time(date);
}
// Unpack everything
cluster_status(new_scheduler);
*scheduler = new_scheduler;
return pcmk_rc_ok;
}
diff --git a/lib/pengine/bundle.c b/lib/pengine/bundle.c
index 51a4d192de..870832f5e2 100644
--- a/lib/pengine/bundle.c
+++ b/lib/pengine/bundle.c
@@ -1,2129 +1,2131 @@
/*
* Copyright 2004-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU Lesser General Public License
* version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <ctype.h>
#include <stdint.h>
#include <crm/pengine/rules.h>
#include <crm/pengine/status.h>
#include <crm/pengine/internal.h>
#include <crm/common/xml.h>
#include <crm/common/output.h>
#include <crm/common/xml_internal.h>
#include <pe_status_private.h>
enum pe__bundle_mount_flags {
pe__bundle_mount_none = 0x00,
// mount instance-specific subdirectory rather than source directly
pe__bundle_mount_subdir = 0x01
};
typedef struct {
char *source;
char *target;
char *options;
uint32_t flags; // bitmask of pe__bundle_mount_flags
} pe__bundle_mount_t;
typedef struct {
char *source;
char *target;
} pe__bundle_port_t;
enum pe__container_agent {
PE__CONTAINER_AGENT_UNKNOWN,
PE__CONTAINER_AGENT_DOCKER,
PE__CONTAINER_AGENT_RKT,
PE__CONTAINER_AGENT_PODMAN,
};
#define PE__CONTAINER_AGENT_UNKNOWN_S "unknown"
#define PE__CONTAINER_AGENT_DOCKER_S "docker"
#define PE__CONTAINER_AGENT_RKT_S "rkt"
#define PE__CONTAINER_AGENT_PODMAN_S "podman"
typedef struct pe__bundle_variant_data_s {
int promoted_max;
int nreplicas;
int nreplicas_per_host;
char *prefix;
char *image;
const char *ip_last;
char *host_network;
char *host_netmask;
char *control_port;
char *container_network;
char *ip_range_start;
gboolean add_host;
gchar *container_host_options;
char *container_command;
char *launcher_options;
const char *attribute_target;
pcmk_resource_t *child;
GList *replicas; // pcmk__bundle_replica_t *
GList *ports; // pe__bundle_port_t *
GList *mounts; // pe__bundle_mount_t *
enum pe__container_agent agent_type;
} pe__bundle_variant_data_t;
#define get_bundle_variant_data(data, rsc) \
CRM_ASSERT(pcmk__is_bundle(rsc) && (rsc->variant_opaque != NULL)); \
data = (pe__bundle_variant_data_t *) rsc->variant_opaque;
/*!
* \internal
* \brief Get maximum number of bundle replicas allowed to run
*
* \param[in] rsc Bundle or bundled resource to check
*
* \return Maximum replicas for bundle corresponding to \p rsc
*/
int
pe__bundle_max(const pcmk_resource_t *rsc)
{
const pe__bundle_variant_data_t *bundle_data = NULL;
get_bundle_variant_data(bundle_data, pe__const_top_resource(rsc, true));
return bundle_data->nreplicas;
}
/*!
* \internal
* \brief Get the resource inside a bundle
*
* \param[in] bundle Bundle to check
*
* \return Resource inside \p bundle if any, otherwise NULL
*/
pcmk_resource_t *
pe__bundled_resource(const pcmk_resource_t *rsc)
{
const pe__bundle_variant_data_t *bundle_data = NULL;
get_bundle_variant_data(bundle_data, pe__const_top_resource(rsc, true));
return bundle_data->child;
}
/*!
* \internal
* \brief Get containerized resource corresponding to a given bundle container
*
* \param[in] instance Collective instance that might be a bundle container
*
* \return Bundled resource instance inside \p instance if it is a bundle
* container instance, otherwise NULL
*/
const pcmk_resource_t *
pe__get_rsc_in_container(const pcmk_resource_t *instance)
{
const pe__bundle_variant_data_t *data = NULL;
const pcmk_resource_t *top = pe__const_top_resource(instance, true);
if (!pcmk__is_bundle(top)) {
return NULL;
}
get_bundle_variant_data(data, top);
for (const GList *iter = data->replicas; iter != NULL; iter = iter->next) {
const pcmk__bundle_replica_t *replica = iter->data;
if (instance == replica->container) {
return replica->child;
}
}
return NULL;
}
/*!
* \internal
* \brief Check whether a given node is created by a bundle
*
* \param[in] bundle Bundle resource to check
* \param[in] node Node to check
*
* \return true if \p node is an instance of \p bundle, otherwise false
*/
bool
pe__node_is_bundle_instance(const pcmk_resource_t *bundle,
const pcmk_node_t *node)
{
pe__bundle_variant_data_t *bundle_data = NULL;
get_bundle_variant_data(bundle_data, bundle);
for (GList *iter = bundle_data->replicas; iter != NULL; iter = iter->next) {
pcmk__bundle_replica_t *replica = iter->data;
if (pcmk__same_node(node, replica->node)) {
return true;
}
}
return false;
}
/*!
* \internal
* \brief Get the container of a bundle's first replica
*
* \param[in] bundle Bundle resource to get container for
*
* \return Container resource from first replica of \p bundle if any,
* otherwise NULL
*/
pcmk_resource_t *
pe__first_container(const pcmk_resource_t *bundle)
{
const pe__bundle_variant_data_t *bundle_data = NULL;
const pcmk__bundle_replica_t *replica = NULL;
get_bundle_variant_data(bundle_data, bundle);
if (bundle_data->replicas == NULL) {
return NULL;
}
replica = bundle_data->replicas->data;
return replica->container;
}
/*!
* \internal
* \brief Iterate over bundle replicas
*
* \param[in,out] bundle Bundle to iterate over
* \param[in] fn Function to call for each replica (its return value
* indicates whether to continue iterating)
* \param[in,out] user_data Pointer to pass to \p fn
*/
void
pe__foreach_bundle_replica(pcmk_resource_t *bundle,
bool (*fn)(pcmk__bundle_replica_t *, void *),
void *user_data)
{
const pe__bundle_variant_data_t *bundle_data = NULL;
get_bundle_variant_data(bundle_data, bundle);
for (GList *iter = bundle_data->replicas; iter != NULL; iter = iter->next) {
if (!fn((pcmk__bundle_replica_t *) iter->data, user_data)) {
break;
}
}
}
/*!
* \internal
* \brief Iterate over const bundle replicas
*
* \param[in] bundle Bundle to iterate over
* \param[in] fn Function to call for each replica (its return value
* indicates whether to continue iterating)
* \param[in,out] user_data Pointer to pass to \p fn
*/
void
pe__foreach_const_bundle_replica(const pcmk_resource_t *bundle,
bool (*fn)(const pcmk__bundle_replica_t *,
void *),
void *user_data)
{
const pe__bundle_variant_data_t *bundle_data = NULL;
get_bundle_variant_data(bundle_data, bundle);
for (const GList *iter = bundle_data->replicas; iter != NULL;
iter = iter->next) {
if (!fn((const pcmk__bundle_replica_t *) iter->data, user_data)) {
break;
}
}
}
static char *
next_ip(const char *last_ip)
{
unsigned int oct1 = 0;
unsigned int oct2 = 0;
unsigned int oct3 = 0;
unsigned int oct4 = 0;
int rc = sscanf(last_ip, "%u.%u.%u.%u", &oct1, &oct2, &oct3, &oct4);
if (rc != 4) {
/*@ TODO check for IPv6 */
return NULL;
} else if (oct3 > 253) {
return NULL;
} else if (oct4 > 253) {
++oct3;
oct4 = 1;
} else {
++oct4;
}
return crm_strdup_printf("%u.%u.%u.%u", oct1, oct2, oct3, oct4);
}
static void
allocate_ip(pe__bundle_variant_data_t *data, pcmk__bundle_replica_t *replica,
GString *buffer)
{
if(data->ip_range_start == NULL) {
return;
} else if(data->ip_last) {
replica->ipaddr = next_ip(data->ip_last);
} else {
replica->ipaddr = strdup(data->ip_range_start);
}
data->ip_last = replica->ipaddr;
switch (data->agent_type) {
case PE__CONTAINER_AGENT_DOCKER:
case PE__CONTAINER_AGENT_PODMAN:
if (data->add_host) {
g_string_append_printf(buffer, " --add-host=%s-%d:%s",
data->prefix, replica->offset,
replica->ipaddr);
} else {
g_string_append_printf(buffer, " --hosts-entry=%s=%s-%d",
replica->ipaddr, data->prefix,
replica->offset);
}
break;
case PE__CONTAINER_AGENT_RKT:
g_string_append_printf(buffer, " --hosts-entry=%s=%s-%d",
replica->ipaddr, data->prefix,
replica->offset);
break;
default: // PE__CONTAINER_AGENT_UNKNOWN
break;
}
}
static xmlNode *
create_resource(const char *name, const char *provider, const char *kind)
{
xmlNode *rsc = pcmk__xe_create(NULL, PCMK_XE_PRIMITIVE);
crm_xml_add(rsc, PCMK_XA_ID, name);
crm_xml_add(rsc, PCMK_XA_CLASS, PCMK_RESOURCE_CLASS_OCF);
crm_xml_add(rsc, PCMK_XA_PROVIDER, provider);
crm_xml_add(rsc, PCMK_XA_TYPE, kind);
return rsc;
}
/*!
* \internal
* \brief Check whether cluster can manage resource inside container
*
* \param[in,out] data Container variant data
*
* \return TRUE if networking configuration is acceptable, FALSE otherwise
*
* \note The resource is manageable if an IP range or control port has been
* specified. If a control port is used without an IP range, replicas per
* host must be 1.
*/
static bool
valid_network(pe__bundle_variant_data_t *data)
{
if(data->ip_range_start) {
return TRUE;
}
if(data->control_port) {
if(data->nreplicas_per_host > 1) {
pcmk__config_err("Specifying the '" PCMK_XA_CONTROL_PORT "' for %s "
"requires '" PCMK_XA_REPLICAS_PER_HOST "=1'",
data->prefix);
data->nreplicas_per_host = 1;
// @TODO to be sure:
// pcmk__clear_rsc_flags(rsc, pcmk_rsc_unique);
}
return TRUE;
}
return FALSE;
}
static int
create_ip_resource(pcmk_resource_t *parent, pe__bundle_variant_data_t *data,
pcmk__bundle_replica_t *replica)
{
if(data->ip_range_start) {
char *id = NULL;
xmlNode *xml_ip = NULL;
xmlNode *xml_obj = NULL;
id = crm_strdup_printf("%s-ip-%s", data->prefix, replica->ipaddr);
crm_xml_sanitize_id(id);
xml_ip = create_resource(id, "heartbeat", "IPaddr2");
free(id);
xml_obj = pcmk__xe_create(xml_ip, PCMK_XE_INSTANCE_ATTRIBUTES);
crm_xml_set_id(xml_obj, "%s-attributes-%d",
data->prefix, replica->offset);
crm_create_nvpair_xml(xml_obj, NULL, "ip", replica->ipaddr);
if(data->host_network) {
crm_create_nvpair_xml(xml_obj, NULL, "nic", data->host_network);
}
if(data->host_netmask) {
crm_create_nvpair_xml(xml_obj, NULL,
"cidr_netmask", data->host_netmask);
} else {
crm_create_nvpair_xml(xml_obj, NULL, "cidr_netmask", "32");
}
xml_obj = pcmk__xe_create(xml_ip, PCMK_XE_OPERATIONS);
crm_create_op_xml(xml_obj, pcmk__xe_id(xml_ip), PCMK_ACTION_MONITOR,
"60s", NULL);
// TODO: Other ops? Timeouts and intervals from underlying resource?
if (pe__unpack_resource(xml_ip, &replica->ip, parent,
parent->cluster) != pcmk_rc_ok) {
return pcmk_rc_unpack_error;
}
parent->children = g_list_append(parent->children, replica->ip);
}
return pcmk_rc_ok;
}
static const char*
container_agent_str(enum pe__container_agent t)
{
switch (t) {
case PE__CONTAINER_AGENT_DOCKER: return PE__CONTAINER_AGENT_DOCKER_S;
case PE__CONTAINER_AGENT_RKT: return PE__CONTAINER_AGENT_RKT_S;
case PE__CONTAINER_AGENT_PODMAN: return PE__CONTAINER_AGENT_PODMAN_S;
default: // PE__CONTAINER_AGENT_UNKNOWN
break;
}
return PE__CONTAINER_AGENT_UNKNOWN_S;
}
static int
create_container_resource(pcmk_resource_t *parent,
const pe__bundle_variant_data_t *data,
pcmk__bundle_replica_t *replica)
{
char *id = NULL;
xmlNode *xml_container = NULL;
xmlNode *xml_obj = NULL;
// Agent-specific
const char *hostname_opt = NULL;
const char *env_opt = NULL;
const char *agent_str = NULL;
int volid = 0; // rkt-only
GString *buffer = NULL;
GString *dbuffer = NULL;
// Where syntax differences are drop-in replacements, set them now
switch (data->agent_type) {
case PE__CONTAINER_AGENT_DOCKER:
case PE__CONTAINER_AGENT_PODMAN:
hostname_opt = "-h ";
env_opt = "-e ";
break;
case PE__CONTAINER_AGENT_RKT:
hostname_opt = "--hostname=";
env_opt = "--environment=";
break;
default: // PE__CONTAINER_AGENT_UNKNOWN
return pcmk_rc_unpack_error;
}
agent_str = container_agent_str(data->agent_type);
buffer = g_string_sized_new(4096);
id = crm_strdup_printf("%s-%s-%d", data->prefix, agent_str,
replica->offset);
crm_xml_sanitize_id(id);
xml_container = create_resource(id, "heartbeat", agent_str);
free(id);
xml_obj = pcmk__xe_create(xml_container, PCMK_XE_INSTANCE_ATTRIBUTES);
crm_xml_set_id(xml_obj, "%s-attributes-%d", data->prefix, replica->offset);
crm_create_nvpair_xml(xml_obj, NULL, "image", data->image);
crm_create_nvpair_xml(xml_obj, NULL, "allow_pull", PCMK_VALUE_TRUE);
crm_create_nvpair_xml(xml_obj, NULL, "force_kill", PCMK_VALUE_FALSE);
crm_create_nvpair_xml(xml_obj, NULL, "reuse", PCMK_VALUE_FALSE);
if (data->agent_type == PE__CONTAINER_AGENT_DOCKER) {
g_string_append(buffer, " --restart=no");
}
/* Set a container hostname only if we have an IP to map it to. The user can
* set -h or --uts=host themselves if they want a nicer name for logs, but
* this makes applications happy who need their hostname to match the IP
* they bind to.
*/
if (data->ip_range_start != NULL) {
g_string_append_printf(buffer, " %s%s-%d", hostname_opt, data->prefix,
replica->offset);
}
pcmk__g_strcat(buffer, " ", env_opt, "PCMK_stderr=1", NULL);
if (data->container_network != NULL) {
pcmk__g_strcat(buffer, " --net=", data->container_network, NULL);
}
if (data->control_port != NULL) {
pcmk__g_strcat(buffer, " ", env_opt, "PCMK_" PCMK__ENV_REMOTE_PORT "=",
data->control_port, NULL);
} else {
g_string_append_printf(buffer, " %sPCMK_" PCMK__ENV_REMOTE_PORT "=%d",
env_opt, DEFAULT_REMOTE_PORT);
}
for (GList *iter = data->mounts; iter != NULL; iter = iter->next) {
pe__bundle_mount_t *mount = (pe__bundle_mount_t *) iter->data;
char *source = NULL;
if (pcmk_is_set(mount->flags, pe__bundle_mount_subdir)) {
source = crm_strdup_printf("%s/%s-%d", mount->source, data->prefix,
replica->offset);
pcmk__add_separated_word(&dbuffer, 1024, source, ",");
}
switch (data->agent_type) {
case PE__CONTAINER_AGENT_DOCKER:
case PE__CONTAINER_AGENT_PODMAN:
pcmk__g_strcat(buffer,
" -v ", pcmk__s(source, mount->source),
":", mount->target, NULL);
if (mount->options != NULL) {
pcmk__g_strcat(buffer, ":", mount->options, NULL);
}
break;
case PE__CONTAINER_AGENT_RKT:
g_string_append_printf(buffer,
" --volume vol%d,kind=host,"
"source=%s%s%s "
"--mount volume=vol%d,target=%s",
volid, pcmk__s(source, mount->source),
(mount->options != NULL)? "," : "",
pcmk__s(mount->options, ""),
volid, mount->target);
volid++;
break;
default:
break;
}
free(source);
}
for (GList *iter = data->ports; iter != NULL; iter = iter->next) {
pe__bundle_port_t *port = (pe__bundle_port_t *) iter->data;
switch (data->agent_type) {
case PE__CONTAINER_AGENT_DOCKER:
case PE__CONTAINER_AGENT_PODMAN:
if (replica->ipaddr != NULL) {
pcmk__g_strcat(buffer,
" -p ", replica->ipaddr, ":", port->source,
":", port->target, NULL);
} else if (!pcmk__str_eq(data->container_network,
PCMK_VALUE_HOST, pcmk__str_none)) {
// No need to do port mapping if net == host
pcmk__g_strcat(buffer,
" -p ", port->source, ":", port->target,
NULL);
}
break;
case PE__CONTAINER_AGENT_RKT:
if (replica->ipaddr != NULL) {
pcmk__g_strcat(buffer,
" --port=", port->target,
":", replica->ipaddr, ":", port->source,
NULL);
} else {
pcmk__g_strcat(buffer,
" --port=", port->target, ":", port->source,
NULL);
}
break;
default:
break;
}
}
/* @COMPAT: We should use pcmk__add_word() here, but we can't yet, because
* it would cause restarts during rolling upgrades.
*
* In a previous version of the container resource creation logic, if
* data->launcher_options is not NULL, we append
* (" %s", data->launcher_options) even if data->launcher_options is an
* empty string. Likewise for data->container_host_options. Using
*
* pcmk__add_word(buffer, 0, data->launcher_options)
*
* removes that extra trailing space, causing a resource definition change.
*/
if (data->launcher_options != NULL) {
pcmk__g_strcat(buffer, " ", data->launcher_options, NULL);
}
if (data->container_host_options != NULL) {
pcmk__g_strcat(buffer, " ", data->container_host_options, NULL);
}
crm_create_nvpair_xml(xml_obj, NULL, "run_opts",
(const char *) buffer->str);
g_string_free(buffer, TRUE);
crm_create_nvpair_xml(xml_obj, NULL, "mount_points",
(dbuffer != NULL)? (const char *) dbuffer->str : "");
if (dbuffer != NULL) {
g_string_free(dbuffer, TRUE);
}
if (replica->child != NULL) {
if (data->container_command != NULL) {
crm_create_nvpair_xml(xml_obj, NULL, "run_cmd",
data->container_command);
} else {
crm_create_nvpair_xml(xml_obj, NULL, "run_cmd",
SBIN_DIR "/pacemaker-remoted");
}
/* TODO: Allow users to specify their own?
*
* We just want to know if the container is alive; we'll monitor the
* child independently.
*/
crm_create_nvpair_xml(xml_obj, NULL, "monitor_cmd", "/bin/true");
#if 0
/* @TODO Consider supporting the use case where we can start and stop
* resources, but not proxy local commands (such as setting node
* attributes), by running the local executor in stand-alone mode.
* However, this would probably be better done via ACLs as with other
* Pacemaker Remote nodes.
*/
} else if ((child != NULL) && data->untrusted) {
crm_create_nvpair_xml(xml_obj, NULL, "run_cmd",
CRM_DAEMON_DIR "/pacemaker-execd");
crm_create_nvpair_xml(xml_obj, NULL, "monitor_cmd",
CRM_DAEMON_DIR "/pacemaker/cts-exec-helper -c poke");
#endif
} else {
if (data->container_command != NULL) {
crm_create_nvpair_xml(xml_obj, NULL, "run_cmd",
data->container_command);
}
/* TODO: Allow users to specify their own?
*
* We don't know what's in the container, so we just want to know if it
* is alive.
*/
crm_create_nvpair_xml(xml_obj, NULL, "monitor_cmd", "/bin/true");
}
xml_obj = pcmk__xe_create(xml_container, PCMK_XE_OPERATIONS);
crm_create_op_xml(xml_obj, pcmk__xe_id(xml_container), PCMK_ACTION_MONITOR,
"60s", NULL);
// TODO: Other ops? Timeouts and intervals from underlying resource?
if (pe__unpack_resource(xml_container, &replica->container, parent,
parent->cluster) != pcmk_rc_ok) {
return pcmk_rc_unpack_error;
}
pcmk__set_rsc_flags(replica->container, pcmk_rsc_replica_container);
parent->children = g_list_append(parent->children, replica->container);
return pcmk_rc_ok;
}
/*!
* \brief Ban a node from a resource's (and its children's) allowed nodes list
*
* \param[in,out] rsc Resource to modify
* \param[in] uname Name of node to ban
*/
static void
disallow_node(pcmk_resource_t *rsc, const char *uname)
{
gpointer match = g_hash_table_lookup(rsc->allowed_nodes, uname);
if (match) {
((pcmk_node_t *) match)->weight = -PCMK_SCORE_INFINITY;
((pcmk_node_t *) match)->rsc_discover_mode = pcmk_probe_never;
}
if (rsc->children) {
g_list_foreach(rsc->children, (GFunc) disallow_node, (gpointer) uname);
}
}
static int
create_remote_resource(pcmk_resource_t *parent, pe__bundle_variant_data_t *data,
pcmk__bundle_replica_t *replica)
{
if (replica->child && valid_network(data)) {
GHashTableIter gIter;
pcmk_node_t *node = NULL;
xmlNode *xml_remote = NULL;
char *id = crm_strdup_printf("%s-%d", data->prefix, replica->offset);
char *port_s = NULL;
const char *uname = NULL;
const char *connect_name = NULL;
if (pe_find_resource(parent->cluster->resources, id) != NULL) {
free(id);
// The biggest hammer we have
id = crm_strdup_printf("pcmk-internal-%s-remote-%d",
replica->child->id, replica->offset);
//@TODO return error instead of asserting?
CRM_ASSERT(pe_find_resource(parent->cluster->resources,
id) == NULL);
}
/* REMOTE_CONTAINER_HACK: Using "#uname" as the server name when the
* connection does not have its own IP is a magic string that we use to
* support nested remotes (i.e. a bundle running on a remote node).
*/
connect_name = (replica->ipaddr? replica->ipaddr : "#uname");
if (data->control_port == NULL) {
port_s = pcmk__itoa(DEFAULT_REMOTE_PORT);
}
/* This sets replica->container as replica->remote's container, which is
* similar to what happens with guest nodes. This is how the scheduler
* knows that the bundle node is fenced by recovering the container, and
* that remote should be ordered relative to the container.
*/
xml_remote = pe_create_remote_xml(NULL, id, replica->container->id,
NULL, NULL, NULL,
connect_name, (data->control_port?
data->control_port : port_s));
free(port_s);
/* Abandon our created ID, and pull the copy from the XML, because we
* need something that will get freed during scheduler data cleanup to
* use as the node ID and uname.
*/
free(id);
id = NULL;
uname = pcmk__xe_id(xml_remote);
/* Ensure a node has been created for the guest (it may have already
* been, if it has a permanent node attribute), and ensure its weight is
* -INFINITY so no other resources can run on it.
*/
node = pcmk_find_node(parent->cluster, uname);
if (node == NULL) {
node = pe_create_node(uname, uname, PCMK_VALUE_REMOTE,
PCMK_VALUE_MINUS_INFINITY, parent->cluster);
} else {
node->weight = -PCMK_SCORE_INFINITY;
}
node->rsc_discover_mode = pcmk_probe_never;
/* unpack_remote_nodes() ensures that each remote node and guest node
* has a pcmk_node_t entry. Ideally, it would do the same for bundle
* nodes. Unfortunately, a bundle has to be mostly unpacked before it's
* obvious what nodes will be needed, so we do it just above.
*
* Worse, that means that the node may have been utilized while
* unpacking other resources, without our weight correction. The most
* likely place for this to happen is when pe__unpack_resource() calls
* resource_location() to set a default score in symmetric clusters.
* This adds a node *copy* to each resource's allowed nodes, and these
* copies will have the wrong weight.
*
* As a hacky workaround, fix those copies here.
*
* @TODO Possible alternative: ensure bundles are unpacked before other
* resources, so the weight is correct before any copies are made.
*/
g_list_foreach(parent->cluster->resources, (GFunc) disallow_node,
(gpointer) uname);
replica->node = pe__copy_node(node);
replica->node->weight = 500;
replica->node->rsc_discover_mode = pcmk_probe_exclusive;
/* Ensure the node shows up as allowed and with the correct discovery set */
if (replica->child->allowed_nodes != NULL) {
g_hash_table_destroy(replica->child->allowed_nodes);
}
replica->child->allowed_nodes = pcmk__strkey_table(NULL, free);
g_hash_table_insert(replica->child->allowed_nodes,
(gpointer) replica->node->details->id,
pe__copy_node(replica->node));
{
pcmk_node_t *copy = pe__copy_node(replica->node);
copy->weight = -PCMK_SCORE_INFINITY;
g_hash_table_insert(replica->child->parent->allowed_nodes,
(gpointer) replica->node->details->id, copy);
}
if (pe__unpack_resource(xml_remote, &replica->remote, parent,
parent->cluster) != pcmk_rc_ok) {
return pcmk_rc_unpack_error;
}
g_hash_table_iter_init(&gIter, replica->remote->allowed_nodes);
while (g_hash_table_iter_next(&gIter, NULL, (void **)&node)) {
if (pcmk__is_pacemaker_remote_node(node)) {
/* Remote resources can only run on 'normal' cluster node */
node->weight = -PCMK_SCORE_INFINITY;
}
}
replica->node->details->remote_rsc = replica->remote;
// Ensure pcmk__is_guest_or_bundle_node() functions correctly
replica->remote->container = replica->container;
/* A bundle's #kind is closer to "container" (guest node) than the
* "remote" set by pe_create_node().
*/
pcmk__insert_dup(replica->node->details->attrs,
CRM_ATTR_KIND, "container");
/* One effect of this is that setup_container() will add
* replica->remote to replica->container's fillers, which will make
* pe__resource_contains_guest_node() true for replica->container.
*
* replica->child does NOT get added to replica->container's fillers.
* The only noticeable effect if it did would be for its fail count to
* be taken into account when checking replica->container's migration
* threshold.
*/
parent->children = g_list_append(parent->children, replica->remote);
}
return pcmk_rc_ok;
}
static int
create_replica_resources(pcmk_resource_t *parent,
pe__bundle_variant_data_t *data,
pcmk__bundle_replica_t *replica)
{
int rc = pcmk_rc_ok;
rc = create_container_resource(parent, data, replica);
if (rc != pcmk_rc_ok) {
return rc;
}
rc = create_ip_resource(parent, data, replica);
if (rc != pcmk_rc_ok) {
return rc;
}
rc = create_remote_resource(parent, data, replica);
if (rc != pcmk_rc_ok) {
return rc;
}
if ((replica->child != NULL) && (replica->ipaddr != NULL)) {
pcmk__insert_meta(replica->child, "external-ip", replica->ipaddr);
}
if (replica->remote != NULL) {
/*
* Allow the remote connection resource to be allocated to a
* different node than the one on which the container is active.
*
* This makes it possible to have Pacemaker Remote nodes running
* containers with pacemaker-remoted inside in order to start
* services inside those containers.
*/
pcmk__set_rsc_flags(replica->remote, pcmk_rsc_remote_nesting_allowed);
}
return rc;
}
static void
mount_add(pe__bundle_variant_data_t *bundle_data, const char *source,
const char *target, const char *options, uint32_t flags)
{
pe__bundle_mount_t *mount = pcmk__assert_alloc(1,
sizeof(pe__bundle_mount_t));
mount->source = pcmk__str_copy(source);
mount->target = pcmk__str_copy(target);
mount->options = pcmk__str_copy(options);
mount->flags = flags;
bundle_data->mounts = g_list_append(bundle_data->mounts, mount);
}
static void
mount_free(pe__bundle_mount_t *mount)
{
free(mount->source);
free(mount->target);
free(mount->options);
free(mount);
}
static void
port_free(pe__bundle_port_t *port)
{
free(port->source);
free(port->target);
free(port);
}
static pcmk__bundle_replica_t *
replica_for_remote(pcmk_resource_t *remote)
{
pcmk_resource_t *top = remote;
pe__bundle_variant_data_t *bundle_data = NULL;
if (top == NULL) {
return NULL;
}
while (top->parent != NULL) {
top = top->parent;
}
get_bundle_variant_data(bundle_data, top);
for (GList *gIter = bundle_data->replicas; gIter != NULL;
gIter = gIter->next) {
pcmk__bundle_replica_t *replica = gIter->data;
if (replica->remote == remote) {
return replica;
}
}
CRM_LOG_ASSERT(FALSE);
return NULL;
}
bool
pe__bundle_needs_remote_name(pcmk_resource_t *rsc)
{
const char *value;
GHashTable *params = NULL;
if (rsc == NULL) {
return false;
}
// Use NULL node since pcmk__bundle_expand() uses that to set value
params = pe_rsc_params(rsc, NULL, rsc->cluster);
value = g_hash_table_lookup(params, PCMK_REMOTE_RA_ADDR);
return pcmk__str_eq(value, "#uname", pcmk__str_casei)
- && xml_contains_remote_node(rsc->xml);
+ && xml_contains_remote_node(rsc->private->xml);
}
const char *
pe__add_bundle_remote_name(pcmk_resource_t *rsc, xmlNode *xml,
const char *field)
{
// REMOTE_CONTAINER_HACK: Allow remote nodes that start containers with pacemaker remote inside
pcmk_node_t *node = NULL;
pcmk__bundle_replica_t *replica = NULL;
if (!pe__bundle_needs_remote_name(rsc)) {
return NULL;
}
replica = replica_for_remote(rsc);
if (replica == NULL) {
return NULL;
}
node = replica->container->allocated_to;
if (node == NULL) {
/* If it won't be running anywhere after the
* transition, go with where it's running now.
*/
node = pcmk__current_node(replica->container);
}
if(node == NULL) {
crm_trace("Cannot determine address for bundle connection %s", rsc->id);
return NULL;
}
crm_trace("Setting address for bundle connection %s to bundle host %s",
rsc->id, pcmk__node_name(node));
if(xml != NULL && field != NULL) {
crm_xml_add(xml, field, node->details->uname);
}
return node->details->uname;
}
#define pe__set_bundle_mount_flags(mount_xml, flags, flags_to_set) do { \
flags = pcmk__set_flags_as(__func__, __LINE__, LOG_TRACE, \
"Bundle mount", pcmk__xe_id(mount_xml), \
flags, (flags_to_set), #flags_to_set); \
} while (0)
gboolean
pe__unpack_bundle(pcmk_resource_t *rsc, pcmk_scheduler_t *scheduler)
{
const char *value = NULL;
xmlNode *xml_obj = NULL;
const xmlNode *xml_child = NULL;
xmlNode *xml_resource = NULL;
pe__bundle_variant_data_t *bundle_data = NULL;
bool need_log_mount = TRUE;
CRM_ASSERT(rsc != NULL);
pcmk__rsc_trace(rsc, "Processing resource %s...", rsc->id);
bundle_data = pcmk__assert_alloc(1, sizeof(pe__bundle_variant_data_t));
rsc->variant_opaque = bundle_data;
bundle_data->prefix = strdup(rsc->id);
- xml_obj = pcmk__xe_first_child(rsc->xml, PCMK_XE_DOCKER, NULL, NULL);
+ xml_obj = pcmk__xe_first_child(rsc->private->xml, PCMK_XE_DOCKER, NULL,
+ NULL);
if (xml_obj != NULL) {
bundle_data->agent_type = PE__CONTAINER_AGENT_DOCKER;
} else {
- xml_obj = pcmk__xe_first_child(rsc->xml, PCMK__XE_RKT, NULL, NULL);
+ xml_obj = pcmk__xe_first_child(rsc->private->xml, PCMK__XE_RKT, NULL,
+ NULL);
if (xml_obj != NULL) {
pcmk__warn_once(pcmk__wo_rkt,
"Support for " PCMK__XE_RKT " in bundles "
"(such as %s) is deprecated and will be "
"removed in a future release", rsc->id);
bundle_data->agent_type = PE__CONTAINER_AGENT_RKT;
} else {
- xml_obj = pcmk__xe_first_child(rsc->xml, PCMK_XE_PODMAN, NULL,
- NULL);
+ xml_obj = pcmk__xe_first_child(rsc->private->xml, PCMK_XE_PODMAN,
+ NULL, NULL);
if (xml_obj != NULL) {
bundle_data->agent_type = PE__CONTAINER_AGENT_PODMAN;
} else {
return FALSE;
}
}
}
// Use 0 for default, minimum, and invalid PCMK_XA_PROMOTED_MAX
value = crm_element_value(xml_obj, PCMK_XA_PROMOTED_MAX);
if (value == NULL) {
// @COMPAT deprecated since 2.0.0
value = crm_element_value(xml_obj, PCMK__XA_PROMOTED_MAX_LEGACY);
if (value != NULL) {
pcmk__warn_once(pcmk__wo_bundle_master,
"Support for the " PCMK__XA_PROMOTED_MAX_LEGACY
" attribute (such as in %s) is deprecated and "
"will be removed in a future release. Use "
PCMK_XA_PROMOTED_MAX " instead.",
rsc->id);
}
}
pcmk__scan_min_int(value, &bundle_data->promoted_max, 0);
/* Default replicas to PCMK_XA_PROMOTED_MAX if it was specified and 1
* otherwise
*/
value = crm_element_value(xml_obj, PCMK_XA_REPLICAS);
if ((value == NULL) && (bundle_data->promoted_max > 0)) {
bundle_data->nreplicas = bundle_data->promoted_max;
} else {
pcmk__scan_min_int(value, &bundle_data->nreplicas, 1);
}
/*
* Communication between containers on the same host via the
* floating IPs only works if the container is started with:
* --userland-proxy=false --ip-masq=false
*/
value = crm_element_value(xml_obj, PCMK_XA_REPLICAS_PER_HOST);
pcmk__scan_min_int(value, &bundle_data->nreplicas_per_host, 1);
if (bundle_data->nreplicas_per_host == 1) {
pcmk__clear_rsc_flags(rsc, pcmk_rsc_unique);
}
bundle_data->container_command =
crm_element_value_copy(xml_obj, PCMK_XA_RUN_COMMAND);
bundle_data->launcher_options = crm_element_value_copy(xml_obj,
PCMK_XA_OPTIONS);
bundle_data->image = crm_element_value_copy(xml_obj, PCMK_XA_IMAGE);
bundle_data->container_network = crm_element_value_copy(xml_obj,
PCMK_XA_NETWORK);
- xml_obj = pcmk__xe_first_child(rsc->xml, PCMK_XE_NETWORK, NULL, NULL);
+ xml_obj = pcmk__xe_first_child(rsc->private->xml, PCMK_XE_NETWORK, NULL,
+ NULL);
if(xml_obj) {
bundle_data->ip_range_start =
crm_element_value_copy(xml_obj, PCMK_XA_IP_RANGE_START);
bundle_data->host_netmask =
crm_element_value_copy(xml_obj, PCMK_XA_HOST_NETMASK);
bundle_data->host_network =
crm_element_value_copy(xml_obj, PCMK_XA_HOST_INTERFACE);
bundle_data->control_port =
crm_element_value_copy(xml_obj, PCMK_XA_CONTROL_PORT);
value = crm_element_value(xml_obj, PCMK_XA_ADD_HOST);
if (crm_str_to_boolean(value, &bundle_data->add_host) != 1) {
bundle_data->add_host = TRUE;
}
for (xml_child = pcmk__xe_first_child(xml_obj, PCMK_XE_PORT_MAPPING,
NULL, NULL);
xml_child != NULL; xml_child = pcmk__xe_next_same(xml_child)) {
pe__bundle_port_t *port =
pcmk__assert_alloc(1, sizeof(pe__bundle_port_t));
port->source = crm_element_value_copy(xml_child, PCMK_XA_PORT);
if(port->source == NULL) {
port->source = crm_element_value_copy(xml_child, PCMK_XA_RANGE);
} else {
port->target = crm_element_value_copy(xml_child,
PCMK_XA_INTERNAL_PORT);
}
if(port->source != NULL && strlen(port->source) > 0) {
if(port->target == NULL) {
port->target = strdup(port->source);
}
bundle_data->ports = g_list_append(bundle_data->ports, port);
} else {
pcmk__config_err("Invalid " PCMK_XA_PORT " directive %s",
pcmk__xe_id(xml_child));
port_free(port);
}
}
}
- xml_obj = pcmk__xe_first_child(rsc->xml, PCMK_XE_STORAGE, NULL, NULL);
+ xml_obj = pcmk__xe_first_child(rsc->private->xml, PCMK_XE_STORAGE, NULL,
+ NULL);
for (xml_child = pcmk__xe_first_child(xml_obj, PCMK_XE_STORAGE_MAPPING,
NULL, NULL);
xml_child != NULL; xml_child = pcmk__xe_next_same(xml_child)) {
const char *source = crm_element_value(xml_child, PCMK_XA_SOURCE_DIR);
const char *target = crm_element_value(xml_child, PCMK_XA_TARGET_DIR);
const char *options = crm_element_value(xml_child, PCMK_XA_OPTIONS);
int flags = pe__bundle_mount_none;
if (source == NULL) {
source = crm_element_value(xml_child, PCMK_XA_SOURCE_DIR_ROOT);
pe__set_bundle_mount_flags(xml_child, flags,
pe__bundle_mount_subdir);
}
if (source && target) {
mount_add(bundle_data, source, target, options, flags);
if (strcmp(target, "/var/log") == 0) {
need_log_mount = FALSE;
}
} else {
pcmk__config_err("Invalid mount directive %s",
pcmk__xe_id(xml_child));
}
}
- xml_obj = pcmk__xe_first_child(rsc->xml, PCMK_XE_PRIMITIVE, NULL, NULL);
+ xml_obj = pcmk__xe_first_child(rsc->private->xml, PCMK_XE_PRIMITIVE, NULL,
+ NULL);
if (xml_obj && valid_network(bundle_data)) {
char *value = NULL;
xmlNode *xml_set = NULL;
xml_resource = pcmk__xe_create(NULL, PCMK_XE_CLONE);
/* @COMPAT We no longer use the <master> tag, but we need to keep it as
* part of the resource name, so that bundles don't restart in a rolling
* upgrade. (It also avoids needing to change regression tests.)
*/
crm_xml_set_id(xml_resource, "%s-%s", bundle_data->prefix,
(bundle_data->promoted_max? "master"
: (const char *)xml_resource->name));
xml_set = pcmk__xe_create(xml_resource, PCMK_XE_META_ATTRIBUTES);
crm_xml_set_id(xml_set, "%s-%s-meta", bundle_data->prefix, xml_resource->name);
crm_create_nvpair_xml(xml_set, NULL,
PCMK_META_ORDERED, PCMK_VALUE_TRUE);
value = pcmk__itoa(bundle_data->nreplicas);
crm_create_nvpair_xml(xml_set, NULL, PCMK_META_CLONE_MAX, value);
free(value);
value = pcmk__itoa(bundle_data->nreplicas_per_host);
crm_create_nvpair_xml(xml_set, NULL, PCMK_META_CLONE_NODE_MAX, value);
free(value);
crm_create_nvpair_xml(xml_set, NULL, PCMK_META_GLOBALLY_UNIQUE,
pcmk__btoa(bundle_data->nreplicas_per_host > 1));
if (bundle_data->promoted_max) {
crm_create_nvpair_xml(xml_set, NULL,
PCMK_META_PROMOTABLE, PCMK_VALUE_TRUE);
value = pcmk__itoa(bundle_data->promoted_max);
crm_create_nvpair_xml(xml_set, NULL, PCMK_META_PROMOTED_MAX, value);
free(value);
}
//crm_xml_add(xml_obj, PCMK_XA_ID, bundle_data->prefix);
pcmk__xml_copy(xml_resource, xml_obj);
} else if(xml_obj) {
pcmk__config_err("Cannot control %s inside %s without either "
PCMK_XA_IP_RANGE_START " or " PCMK_XA_CONTROL_PORT,
rsc->id, pcmk__xe_id(xml_obj));
return FALSE;
}
if(xml_resource) {
int lpc = 0;
GList *childIter = NULL;
pe__bundle_port_t *port = NULL;
GString *buffer = NULL;
if (pe__unpack_resource(xml_resource, &(bundle_data->child), rsc,
scheduler) != pcmk_rc_ok) {
return FALSE;
}
/* Currently, we always map the default authentication key location
* into the same location inside the container.
*
* Ideally, we would respect the host's PCMK_authkey_location, but:
* - it may be different on different nodes;
* - the actual connection will do extra checking to make sure the key
* file exists and is readable, that we can't do here on the DC
* - tools such as crm_resource and crm_simulate may not have the same
* environment variables as the cluster, causing operation digests to
* differ
*
* Always using the default location inside the container is fine,
* because we control the pacemaker_remote environment, and it avoids
* having to pass another environment variable to the container.
*
* @TODO A better solution may be to have only pacemaker_remote use the
* environment variable, and have the cluster nodes use a new
* cluster option for key location. This would introduce the limitation
* of the location being the same on all cluster nodes, but that's
* reasonable.
*/
mount_add(bundle_data, DEFAULT_REMOTE_KEY_LOCATION,
DEFAULT_REMOTE_KEY_LOCATION, NULL, pe__bundle_mount_none);
if (need_log_mount) {
mount_add(bundle_data, CRM_BUNDLE_DIR, "/var/log", NULL,
pe__bundle_mount_subdir);
}
port = pcmk__assert_alloc(1, sizeof(pe__bundle_port_t));
if(bundle_data->control_port) {
port->source = strdup(bundle_data->control_port);
} else {
/* If we wanted to respect PCMK_remote_port, we could use
* crm_default_remote_port() here and elsewhere in this file instead
* of DEFAULT_REMOTE_PORT.
*
* However, it gains nothing, since we control both the container
* environment and the connection resource parameters, and the user
* can use a different port if desired by setting
* PCMK_XA_CONTROL_PORT.
*/
port->source = pcmk__itoa(DEFAULT_REMOTE_PORT);
}
port->target = strdup(port->source);
bundle_data->ports = g_list_append(bundle_data->ports, port);
buffer = g_string_sized_new(1024);
for (childIter = bundle_data->child->children; childIter != NULL;
childIter = childIter->next) {
pcmk__bundle_replica_t *replica = NULL;
replica = pcmk__assert_alloc(1, sizeof(pcmk__bundle_replica_t));
replica->child = childIter->data;
replica->child->exclusive_discover = TRUE;
replica->offset = lpc++;
// Ensure the child's notify gets set based on the underlying primitive's value
if (pcmk_is_set(replica->child->flags, pcmk_rsc_notify)) {
pcmk__set_rsc_flags(bundle_data->child, pcmk_rsc_notify);
}
allocate_ip(bundle_data, replica, buffer);
bundle_data->replicas = g_list_append(bundle_data->replicas,
replica);
bundle_data->attribute_target =
g_hash_table_lookup(replica->child->meta,
PCMK_META_CONTAINER_ATTRIBUTE_TARGET);
}
bundle_data->container_host_options = g_string_free(buffer, FALSE);
if (bundle_data->attribute_target) {
pcmk__insert_dup(rsc->meta, PCMK_META_CONTAINER_ATTRIBUTE_TARGET,
bundle_data->attribute_target);
pcmk__insert_dup(bundle_data->child->meta,
PCMK_META_CONTAINER_ATTRIBUTE_TARGET,
bundle_data->attribute_target);
}
} else {
// Just a naked container, no pacemaker-remote
GString *buffer = g_string_sized_new(1024);
for (int lpc = 0; lpc < bundle_data->nreplicas; lpc++) {
pcmk__bundle_replica_t *replica = NULL;
replica = pcmk__assert_alloc(1, sizeof(pcmk__bundle_replica_t));
replica->offset = lpc;
allocate_ip(bundle_data, replica, buffer);
bundle_data->replicas = g_list_append(bundle_data->replicas,
replica);
}
bundle_data->container_host_options = g_string_free(buffer, FALSE);
}
for (GList *gIter = bundle_data->replicas; gIter != NULL;
gIter = gIter->next) {
pcmk__bundle_replica_t *replica = gIter->data;
if (create_replica_resources(rsc, bundle_data, replica) != pcmk_rc_ok) {
pcmk__config_err("Failed unpacking resource %s", rsc->id);
rsc->private->fns->free(rsc);
return FALSE;
}
/* Utilization needs special handling for bundles. It makes no sense for
* the inner primitive to have utilization, because it is tied
* one-to-one to the guest node created by the container resource -- and
* there's no way to set capacities for that guest node anyway.
*
* What the user really wants is to configure utilization for the
* container. However, the schema only allows utilization for
* primitives, and the container resource is implicit anyway, so the
* user can *only* configure utilization for the inner primitive. If
* they do, move the primitive's utilization values to the container.
*
* @TODO This means that bundles without an inner primitive can't have
* utilization. An alternative might be to allow utilization values in
* the top-level bundle XML in the schema, and copy those to each
* container.
*/
if (replica->child != NULL) {
GHashTable *empty = replica->container->utilization;
replica->container->utilization = replica->child->utilization;
replica->child->utilization = empty;
}
}
if (bundle_data->child) {
rsc->children = g_list_append(rsc->children, bundle_data->child);
}
return TRUE;
}
static int
replica_resource_active(pcmk_resource_t *rsc, gboolean all)
{
if (rsc) {
gboolean child_active = rsc->private->fns->active(rsc, all);
if (child_active && !all) {
return TRUE;
} else if (!child_active && all) {
return FALSE;
}
}
return -1;
}
gboolean
pe__bundle_active(pcmk_resource_t *rsc, gboolean all)
{
pe__bundle_variant_data_t *bundle_data = NULL;
GList *iter = NULL;
get_bundle_variant_data(bundle_data, rsc);
for (iter = bundle_data->replicas; iter != NULL; iter = iter->next) {
pcmk__bundle_replica_t *replica = iter->data;
int rsc_active;
rsc_active = replica_resource_active(replica->ip, all);
if (rsc_active >= 0) {
return (gboolean) rsc_active;
}
rsc_active = replica_resource_active(replica->child, all);
if (rsc_active >= 0) {
return (gboolean) rsc_active;
}
rsc_active = replica_resource_active(replica->container, all);
if (rsc_active >= 0) {
return (gboolean) rsc_active;
}
rsc_active = replica_resource_active(replica->remote, all);
if (rsc_active >= 0) {
return (gboolean) rsc_active;
}
}
/* If "all" is TRUE, we've already checked that no resources were inactive,
* so return TRUE; if "all" is FALSE, we didn't find any active resources,
* so return FALSE.
*/
return all;
}
/*!
* \internal
* \brief Find the bundle replica corresponding to a given node
*
* \param[in] bundle Top-level bundle resource
* \param[in] node Node to search for
*
* \return Bundle replica if found, NULL otherwise
*/
pcmk_resource_t *
pe__find_bundle_replica(const pcmk_resource_t *bundle, const pcmk_node_t *node)
{
pe__bundle_variant_data_t *bundle_data = NULL;
CRM_ASSERT(bundle && node);
get_bundle_variant_data(bundle_data, bundle);
for (GList *gIter = bundle_data->replicas; gIter != NULL;
gIter = gIter->next) {
pcmk__bundle_replica_t *replica = gIter->data;
CRM_ASSERT(replica && replica->node);
if (pcmk__same_node(replica->node, node)) {
return replica->child;
}
}
return NULL;
}
PCMK__OUTPUT_ARGS("bundle", "uint32_t", "pcmk_resource_t *", "GList *",
"GList *")
int
pe__bundle_xml(pcmk__output_t *out, va_list args)
{
uint32_t show_opts = va_arg(args, uint32_t);
pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *);
GList *only_node = va_arg(args, GList *);
GList *only_rsc = va_arg(args, GList *);
pe__bundle_variant_data_t *bundle_data = NULL;
int rc = pcmk_rc_no_output;
gboolean printed_header = FALSE;
gboolean print_everything = TRUE;
const char *desc = NULL;
CRM_ASSERT(rsc != NULL);
get_bundle_variant_data(bundle_data, rsc);
if (rsc->private->fns->is_filtered(rsc, only_rsc, TRUE)) {
return rc;
}
print_everything = pcmk__str_in_list(rsc->id, only_rsc, pcmk__str_star_matches);
for (GList *gIter = bundle_data->replicas; gIter != NULL;
gIter = gIter->next) {
pcmk__bundle_replica_t *replica = gIter->data;
pcmk_resource_t *ip = replica->ip;
pcmk_resource_t *child = replica->child;
pcmk_resource_t *container = replica->container;
pcmk_resource_t *remote = replica->remote;
char *id = NULL;
gboolean print_ip, print_child, print_ctnr, print_remote;
CRM_ASSERT(replica);
if (pcmk__rsc_filtered_by_node(container, only_node)) {
continue;
}
print_ip = (ip != NULL)
&& !ip->private->fns->is_filtered(ip, only_rsc,
print_everything);
print_child = (child != NULL)
&& !child->private->fns->is_filtered(child, only_rsc,
print_everything);
print_ctnr = !container->private->fns->is_filtered(container, only_rsc,
print_everything);
print_remote = (remote != NULL)
&& !remote->private->fns->is_filtered(remote, only_rsc,
print_everything);
if (!print_everything && !print_ip && !print_child && !print_ctnr && !print_remote) {
continue;
}
if (!printed_header) {
const char *type = container_agent_str(bundle_data->agent_type);
const char *unique = pcmk__flag_text(rsc->flags, pcmk_rsc_unique);
const char *maintenance = pcmk__flag_text(rsc->flags,
pcmk_rsc_maintenance);
const char *managed = pcmk__flag_text(rsc->flags, pcmk_rsc_managed);
const char *failed = pcmk__flag_text(rsc->flags, pcmk_rsc_failed);
printed_header = TRUE;
desc = pe__resource_description(rsc, show_opts);
rc = pe__name_and_nvpairs_xml(out, true, PCMK_XE_BUNDLE,
PCMK_XA_ID, rsc->id,
PCMK_XA_TYPE, type,
PCMK_XA_IMAGE, bundle_data->image,
PCMK_XA_UNIQUE, unique,
PCMK_XA_MAINTENANCE, maintenance,
PCMK_XA_MANAGED, managed,
PCMK_XA_FAILED, failed,
PCMK_XA_DESCRIPTION, desc,
NULL);
CRM_ASSERT(rc == pcmk_rc_ok);
}
id = pcmk__itoa(replica->offset);
rc = pe__name_and_nvpairs_xml(out, true, PCMK_XE_REPLICA,
PCMK_XA_ID, id,
NULL);
free(id);
CRM_ASSERT(rc == pcmk_rc_ok);
if (print_ip) {
- out->message(out, (const char *) ip->xml->name, show_opts, ip,
- only_node, only_rsc);
+ out->message(out, (const char *) ip->private->xml->name, show_opts,
+ ip, only_node, only_rsc);
}
if (print_child) {
- out->message(out, (const char *) child->xml->name, show_opts, child,
- only_node, only_rsc);
+ out->message(out, (const char *) child->private->xml->name,
+ show_opts, child, only_node, only_rsc);
}
if (print_ctnr) {
- out->message(out, (const char *) container->xml->name, show_opts,
- container, only_node, only_rsc);
+ out->message(out, (const char *) container->private->xml->name,
+ show_opts, container, only_node, only_rsc);
}
if (print_remote) {
- out->message(out, (const char *) remote->xml->name, show_opts,
- remote, only_node, only_rsc);
+ out->message(out, (const char *) remote->private->xml->name,
+ show_opts, remote, only_node, only_rsc);
}
pcmk__output_xml_pop_parent(out); // replica
}
if (printed_header) {
pcmk__output_xml_pop_parent(out); // bundle
}
return rc;
}
static void
pe__bundle_replica_output_html(pcmk__output_t *out,
pcmk__bundle_replica_t *replica,
pcmk_node_t *node, uint32_t show_opts)
{
pcmk_resource_t *rsc = replica->child;
int offset = 0;
char buffer[LINE_MAX];
if(rsc == NULL) {
rsc = replica->container;
}
if (replica->remote) {
offset += snprintf(buffer + offset, LINE_MAX - offset, "%s",
rsc_printable_id(replica->remote));
} else {
offset += snprintf(buffer + offset, LINE_MAX - offset, "%s",
rsc_printable_id(replica->container));
}
if (replica->ipaddr) {
offset += snprintf(buffer + offset, LINE_MAX - offset, " (%s)",
replica->ipaddr);
}
pe__common_output_html(out, rsc, buffer, node, show_opts);
}
/*!
* \internal
* \brief Get a string describing a resource's unmanaged state or lack thereof
*
* \param[in] rsc Resource to describe
*
* \return A string indicating that a resource is in maintenance mode or
* otherwise unmanaged, or an empty string otherwise
*/
static const char *
get_unmanaged_str(const pcmk_resource_t *rsc)
{
if (pcmk_is_set(rsc->flags, pcmk_rsc_maintenance)) {
return " (maintenance)";
}
if (!pcmk_is_set(rsc->flags, pcmk_rsc_managed)) {
return " (unmanaged)";
}
return "";
}
PCMK__OUTPUT_ARGS("bundle", "uint32_t", "pcmk_resource_t *", "GList *",
"GList *")
int
pe__bundle_html(pcmk__output_t *out, va_list args)
{
uint32_t show_opts = va_arg(args, uint32_t);
pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *);
GList *only_node = va_arg(args, GList *);
GList *only_rsc = va_arg(args, GList *);
const char *desc = NULL;
pe__bundle_variant_data_t *bundle_data = NULL;
int rc = pcmk_rc_no_output;
gboolean print_everything = TRUE;
CRM_ASSERT(rsc != NULL);
get_bundle_variant_data(bundle_data, rsc);
desc = pe__resource_description(rsc, show_opts);
if (rsc->private->fns->is_filtered(rsc, only_rsc, TRUE)) {
return rc;
}
print_everything = pcmk__str_in_list(rsc->id, only_rsc, pcmk__str_star_matches);
for (GList *gIter = bundle_data->replicas; gIter != NULL;
gIter = gIter->next) {
pcmk__bundle_replica_t *replica = gIter->data;
pcmk_resource_t *ip = replica->ip;
pcmk_resource_t *child = replica->child;
pcmk_resource_t *container = replica->container;
pcmk_resource_t *remote = replica->remote;
gboolean print_ip, print_child, print_ctnr, print_remote;
CRM_ASSERT(replica);
if (pcmk__rsc_filtered_by_node(container, only_node)) {
continue;
}
print_ip = (ip != NULL)
&& !ip->private->fns->is_filtered(ip, only_rsc,
print_everything);
print_child = (child != NULL)
&& !child->private->fns->is_filtered(child, only_rsc,
print_everything);
print_ctnr = !container->private->fns->is_filtered(container, only_rsc,
print_everything);
print_remote = (remote != NULL)
&& !remote->private->fns->is_filtered(remote, only_rsc,
print_everything);
if (pcmk_is_set(show_opts, pcmk_show_implicit_rscs) ||
(print_everything == FALSE && (print_ip || print_child || print_ctnr || print_remote))) {
/* The text output messages used below require pe_print_implicit to
* be set to do anything.
*/
uint32_t new_show_opts = show_opts | pcmk_show_implicit_rscs;
PCMK__OUTPUT_LIST_HEADER(out, FALSE, rc, "Container bundle%s: %s [%s]%s%s%s%s%s",
(bundle_data->nreplicas > 1)? " set" : "",
rsc->id, bundle_data->image,
pcmk_is_set(rsc->flags, pcmk_rsc_unique)? " (unique)" : "",
desc ? " (" : "", desc ? desc : "", desc ? ")" : "",
get_unmanaged_str(rsc));
if (pcmk__list_of_multiple(bundle_data->replicas)) {
out->begin_list(out, NULL, NULL, "Replica[%d]", replica->offset);
}
if (print_ip) {
- out->message(out, (const char *) ip->xml->name,
+ out->message(out, (const char *) ip->private->xml->name,
new_show_opts, ip, only_node, only_rsc);
}
if (print_child) {
- out->message(out, (const char *) child->xml->name,
+ out->message(out, (const char *) child->private->xml->name,
new_show_opts, child, only_node, only_rsc);
}
if (print_ctnr) {
- out->message(out, (const char *) container->xml->name,
+ out->message(out, (const char *) container->private->xml->name,
new_show_opts, container, only_node, only_rsc);
}
if (print_remote) {
- out->message(out, (const char *) remote->xml->name,
+ out->message(out, (const char *) remote->private->xml->name,
new_show_opts, remote, only_node, only_rsc);
}
if (pcmk__list_of_multiple(bundle_data->replicas)) {
out->end_list(out);
}
} else if (print_everything == FALSE && !(print_ip || print_child || print_ctnr || print_remote)) {
continue;
} else {
PCMK__OUTPUT_LIST_HEADER(out, FALSE, rc, "Container bundle%s: %s [%s]%s%s%s%s%s",
(bundle_data->nreplicas > 1)? " set" : "",
rsc->id, bundle_data->image,
pcmk_is_set(rsc->flags, pcmk_rsc_unique)? " (unique)" : "",
desc ? " (" : "", desc ? desc : "", desc ? ")" : "",
get_unmanaged_str(rsc));
pe__bundle_replica_output_html(out, replica,
pcmk__current_node(container),
show_opts);
}
}
PCMK__OUTPUT_LIST_FOOTER(out, rc);
return rc;
}
static void
pe__bundle_replica_output_text(pcmk__output_t *out,
pcmk__bundle_replica_t *replica,
pcmk_node_t *node, uint32_t show_opts)
{
const pcmk_resource_t *rsc = replica->child;
int offset = 0;
char buffer[LINE_MAX];
if(rsc == NULL) {
rsc = replica->container;
}
if (replica->remote) {
offset += snprintf(buffer + offset, LINE_MAX - offset, "%s",
rsc_printable_id(replica->remote));
} else {
offset += snprintf(buffer + offset, LINE_MAX - offset, "%s",
rsc_printable_id(replica->container));
}
if (replica->ipaddr) {
offset += snprintf(buffer + offset, LINE_MAX - offset, " (%s)",
replica->ipaddr);
}
pe__common_output_text(out, rsc, buffer, node, show_opts);
}
PCMK__OUTPUT_ARGS("bundle", "uint32_t", "pcmk_resource_t *", "GList *",
"GList *")
int
pe__bundle_text(pcmk__output_t *out, va_list args)
{
uint32_t show_opts = va_arg(args, uint32_t);
pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *);
GList *only_node = va_arg(args, GList *);
GList *only_rsc = va_arg(args, GList *);
const char *desc = NULL;
pe__bundle_variant_data_t *bundle_data = NULL;
int rc = pcmk_rc_no_output;
gboolean print_everything = TRUE;
desc = pe__resource_description(rsc, show_opts);
CRM_ASSERT(rsc != NULL);
get_bundle_variant_data(bundle_data, rsc);
if (rsc->private->fns->is_filtered(rsc, only_rsc, TRUE)) {
return rc;
}
print_everything = pcmk__str_in_list(rsc->id, only_rsc, pcmk__str_star_matches);
for (GList *gIter = bundle_data->replicas; gIter != NULL;
gIter = gIter->next) {
pcmk__bundle_replica_t *replica = gIter->data;
pcmk_resource_t *ip = replica->ip;
pcmk_resource_t *child = replica->child;
pcmk_resource_t *container = replica->container;
pcmk_resource_t *remote = replica->remote;
gboolean print_ip, print_child, print_ctnr, print_remote;
CRM_ASSERT(replica);
if (pcmk__rsc_filtered_by_node(container, only_node)) {
continue;
}
print_ip = (ip != NULL)
&& !ip->private->fns->is_filtered(ip, only_rsc,
print_everything);
print_child = (child != NULL)
&& !child->private->fns->is_filtered(child, only_rsc,
print_everything);
print_ctnr = !container->private->fns->is_filtered(container, only_rsc,
print_everything);
print_remote = (remote != NULL)
&& !remote->private->fns->is_filtered(remote, only_rsc,
print_everything);
if (pcmk_is_set(show_opts, pcmk_show_implicit_rscs) ||
(print_everything == FALSE && (print_ip || print_child || print_ctnr || print_remote))) {
/* The text output messages used below require pe_print_implicit to
* be set to do anything.
*/
uint32_t new_show_opts = show_opts | pcmk_show_implicit_rscs;
PCMK__OUTPUT_LIST_HEADER(out, FALSE, rc, "Container bundle%s: %s [%s]%s%s%s%s%s",
(bundle_data->nreplicas > 1)? " set" : "",
rsc->id, bundle_data->image,
pcmk_is_set(rsc->flags, pcmk_rsc_unique)? " (unique)" : "",
desc ? " (" : "", desc ? desc : "", desc ? ")" : "",
get_unmanaged_str(rsc));
if (pcmk__list_of_multiple(bundle_data->replicas)) {
out->list_item(out, NULL, "Replica[%d]", replica->offset);
}
out->begin_list(out, NULL, NULL, NULL);
if (print_ip) {
- out->message(out, (const char *) ip->xml->name,
+ out->message(out, (const char *) ip->private->xml->name,
new_show_opts, ip, only_node, only_rsc);
}
if (print_child) {
- out->message(out, (const char *) child->xml->name,
+ out->message(out, (const char *) child->private->xml->name,
new_show_opts, child, only_node, only_rsc);
}
if (print_ctnr) {
- out->message(out, (const char *) container->xml->name,
+ out->message(out, (const char *) container->private->xml->name,
new_show_opts, container, only_node, only_rsc);
}
if (print_remote) {
- out->message(out, (const char *) remote->xml->name,
+ out->message(out, (const char *) remote->private->xml->name,
new_show_opts, remote, only_node, only_rsc);
}
out->end_list(out);
} else if (print_everything == FALSE && !(print_ip || print_child || print_ctnr || print_remote)) {
continue;
} else {
PCMK__OUTPUT_LIST_HEADER(out, FALSE, rc, "Container bundle%s: %s [%s]%s%s%s%s%s",
(bundle_data->nreplicas > 1)? " set" : "",
rsc->id, bundle_data->image,
pcmk_is_set(rsc->flags, pcmk_rsc_unique)? " (unique)" : "",
desc ? " (" : "", desc ? desc : "", desc ? ")" : "",
get_unmanaged_str(rsc));
pe__bundle_replica_output_text(out, replica,
pcmk__current_node(container),
show_opts);
}
}
PCMK__OUTPUT_LIST_FOOTER(out, rc);
return rc;
}
static void
free_bundle_replica(pcmk__bundle_replica_t *replica)
{
if (replica == NULL) {
return;
}
if (replica->node) {
free(replica->node);
replica->node = NULL;
}
if (replica->ip) {
- pcmk__xml_free(replica->ip->xml);
- replica->ip->xml = NULL;
+ pcmk__xml_free(replica->ip->private->xml);
+ replica->ip->private->xml = NULL;
replica->ip->private->fns->free(replica->ip);
- replica->ip = NULL;
}
if (replica->container) {
- pcmk__xml_free(replica->container->xml);
- replica->container->xml = NULL;
+ pcmk__xml_free(replica->container->private->xml);
+ replica->container->private->xml = NULL;
replica->container->private->fns->free(replica->container);
- replica->container = NULL;
}
if (replica->remote) {
- pcmk__xml_free(replica->remote->xml);
- replica->remote->xml = NULL;
+ pcmk__xml_free(replica->remote->private->xml);
+ replica->remote->private->xml = NULL;
replica->remote->private->fns->free(replica->remote);
- replica->remote = NULL;
}
free(replica->ipaddr);
free(replica);
}
void
pe__free_bundle(pcmk_resource_t *rsc)
{
pe__bundle_variant_data_t *bundle_data = NULL;
CRM_CHECK(rsc != NULL, return);
get_bundle_variant_data(bundle_data, rsc);
pcmk__rsc_trace(rsc, "Freeing %s", rsc->id);
free(bundle_data->prefix);
free(bundle_data->image);
free(bundle_data->control_port);
free(bundle_data->host_network);
free(bundle_data->host_netmask);
free(bundle_data->ip_range_start);
free(bundle_data->container_network);
free(bundle_data->launcher_options);
free(bundle_data->container_command);
g_free(bundle_data->container_host_options);
g_list_free_full(bundle_data->replicas,
(GDestroyNotify) free_bundle_replica);
g_list_free_full(bundle_data->mounts, (GDestroyNotify)mount_free);
g_list_free_full(bundle_data->ports, (GDestroyNotify)port_free);
g_list_free(rsc->children);
if(bundle_data->child) {
- pcmk__xml_free(bundle_data->child->xml);
- bundle_data->child->xml = NULL;
+ pcmk__xml_free(bundle_data->child->private->xml);
+ bundle_data->child->private->xml = NULL;
bundle_data->child->private->fns->free(bundle_data->child);
}
common_free(rsc);
}
enum rsc_role_e
pe__bundle_resource_state(const pcmk_resource_t *rsc, gboolean current)
{
enum rsc_role_e container_role = pcmk_role_unknown;
return container_role;
}
/*!
* \brief Get the number of configured replicas in a bundle
*
* \param[in] rsc Bundle resource
*
* \return Number of configured replicas, or 0 on error
*/
int
pe_bundle_replicas(const pcmk_resource_t *rsc)
{
if (pcmk__is_bundle(rsc)) {
pe__bundle_variant_data_t *bundle_data = NULL;
get_bundle_variant_data(bundle_data, rsc);
return bundle_data->nreplicas;
}
return 0;
}
void
pe__count_bundle(pcmk_resource_t *rsc)
{
pe__bundle_variant_data_t *bundle_data = NULL;
get_bundle_variant_data(bundle_data, rsc);
for (GList *item = bundle_data->replicas; item != NULL; item = item->next) {
pcmk__bundle_replica_t *replica = item->data;
if (replica->ip) {
replica->ip->private->fns->count(replica->ip);
}
if (replica->child) {
replica->child->private->fns->count(replica->child);
}
if (replica->container) {
replica->container->private->fns->count(replica->container);
}
if (replica->remote) {
replica->remote->private->fns->count(replica->remote);
}
}
}
gboolean
pe__bundle_is_filtered(const pcmk_resource_t *rsc, GList *only_rsc,
gboolean check_parent)
{
gboolean passes = FALSE;
pe__bundle_variant_data_t *bundle_data = NULL;
if (pcmk__str_in_list(rsc_printable_id(rsc), only_rsc, pcmk__str_star_matches)) {
passes = TRUE;
} else {
get_bundle_variant_data(bundle_data, rsc);
for (GList *gIter = bundle_data->replicas; gIter != NULL; gIter = gIter->next) {
pcmk__bundle_replica_t *replica = gIter->data;
pcmk_resource_t *ip = replica->ip;
pcmk_resource_t *child = replica->child;
pcmk_resource_t *container = replica->container;
pcmk_resource_t *remote = replica->remote;
if ((ip != NULL)
&& !ip->private->fns->is_filtered(ip, only_rsc, FALSE)) {
passes = TRUE;
break;
}
if ((child != NULL)
&& !child->private->fns->is_filtered(child, only_rsc, FALSE)) {
passes = TRUE;
break;
}
if (!container->private->fns->is_filtered(container, only_rsc,
FALSE)) {
passes = TRUE;
break;
}
if ((remote != NULL)
&& !remote->private->fns->is_filtered(remote, only_rsc,
FALSE)) {
passes = TRUE;
break;
}
}
}
return !passes;
}
/*!
* \internal
* \brief Get a list of a bundle's containers
*
* \param[in] bundle Bundle resource
*
* \return Newly created list of \p bundle's containers
* \note It is the caller's responsibility to free the result with
* g_list_free().
*/
GList *
pe__bundle_containers(const pcmk_resource_t *bundle)
{
GList *containers = NULL;
const pe__bundle_variant_data_t *data = NULL;
get_bundle_variant_data(data, bundle);
for (GList *iter = data->replicas; iter != NULL; iter = iter->next) {
pcmk__bundle_replica_t *replica = iter->data;
containers = g_list_append(containers, replica->container);
}
return containers;
}
// Bundle implementation of pcmk__rsc_methods_t:active_node()
pcmk_node_t *
pe__bundle_active_node(const pcmk_resource_t *rsc, unsigned int *count_all,
unsigned int *count_clean)
{
pcmk_node_t *active = NULL;
pcmk_node_t *node = NULL;
pcmk_resource_t *container = NULL;
GList *containers = NULL;
GList *iter = NULL;
GHashTable *nodes = NULL;
const pe__bundle_variant_data_t *data = NULL;
if (count_all != NULL) {
*count_all = 0;
}
if (count_clean != NULL) {
*count_clean = 0;
}
if (rsc == NULL) {
return NULL;
}
/* For the purposes of this method, we only care about where the bundle's
* containers are active, so build a list of active containers.
*/
get_bundle_variant_data(data, rsc);
for (iter = data->replicas; iter != NULL; iter = iter->next) {
pcmk__bundle_replica_t *replica = iter->data;
if (replica->container->running_on != NULL) {
containers = g_list_append(containers, replica->container);
}
}
if (containers == NULL) {
return NULL;
}
/* If the bundle has only a single active container, just use that
* container's method. If live migration is ever supported for bundle
* containers, this will allow us to prefer the migration source when there
* is only one container and it is migrating. For now, this just lets us
* avoid creating the nodes table.
*/
if (pcmk__list_of_1(containers)) {
container = containers->data;
node = container->private->fns->active_node(container, count_all,
count_clean);
g_list_free(containers);
return node;
}
// Add all containers' active nodes to a hash table (for uniqueness)
nodes = g_hash_table_new(NULL, NULL);
for (iter = containers; iter != NULL; iter = iter->next) {
container = iter->data;
for (GList *node_iter = container->running_on; node_iter != NULL;
node_iter = node_iter->next) {
node = node_iter->data;
// If insert returns true, we haven't counted this node yet
if (g_hash_table_insert(nodes, (gpointer) node->details,
(gpointer) node)
&& !pe__count_active_node(rsc, node, &active, count_all,
count_clean)) {
goto done;
}
}
}
done:
g_list_free(containers);
g_hash_table_destroy(nodes);
return active;
}
/*!
* \internal
* \brief Get maximum bundle resource instances per node
*
* \param[in] rsc Bundle resource to check
*
* \return Maximum number of \p rsc instances that can be active on one node
*/
unsigned int
pe__bundle_max_per_node(const pcmk_resource_t *rsc)
{
pe__bundle_variant_data_t *bundle_data = NULL;
get_bundle_variant_data(bundle_data, rsc);
CRM_ASSERT(bundle_data->nreplicas_per_host >= 0);
return (unsigned int) bundle_data->nreplicas_per_host;
}
diff --git a/lib/pengine/clone.c b/lib/pengine/clone.c
index 2fec6ea53a..f769d0ee71 100644
--- a/lib/pengine/clone.c
+++ b/lib/pengine/clone.c
@@ -1,1266 +1,1266 @@
/*
* Copyright 2004-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU Lesser General Public License
* version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <stdint.h>
#include <crm/pengine/rules.h>
#include <crm/pengine/status.h>
#include <crm/pengine/internal.h>
#include <pe_status_private.h>
#include <crm/common/xml.h>
#include <crm/common/output.h>
#include <crm/common/xml_internal.h>
#include <crm/common/scheduler_internal.h>
#ifdef PCMK__COMPAT_2_0
#define PROMOTED_INSTANCES PCMK__ROLE_PROMOTED_LEGACY "s"
#define UNPROMOTED_INSTANCES PCMK__ROLE_UNPROMOTED_LEGACY "s"
#else
#define PROMOTED_INSTANCES PCMK_ROLE_PROMOTED
#define UNPROMOTED_INSTANCES PCMK_ROLE_UNPROMOTED
#endif
typedef struct clone_variant_data_s {
int clone_max;
int clone_node_max;
int promoted_max;
int promoted_node_max;
int total_clones;
uint32_t flags; // Group of enum pcmk__clone_flags
notify_data_t *stop_notify;
notify_data_t *start_notify;
notify_data_t *demote_notify;
notify_data_t *promote_notify;
xmlNode *xml_obj_child;
} clone_variant_data_t;
#define get_clone_variant_data(data, rsc) \
CRM_ASSERT(pcmk__is_clone(rsc) && (rsc->variant_opaque != NULL)); \
data = (clone_variant_data_t *) rsc->variant_opaque;
/*!
* \internal
* \brief Return the maximum number of clone instances allowed to be run
*
* \param[in] clone Clone or clone instance to check
*
* \return Maximum instances for \p clone
*/
int
pe__clone_max(const pcmk_resource_t *clone)
{
const clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, pe__const_top_resource(clone, false));
return clone_data->clone_max;
}
/*!
* \internal
* \brief Return the maximum number of clone instances allowed per node
*
* \param[in] clone Promotable clone or clone instance to check
*
* \return Maximum allowed instances per node for \p clone
*/
int
pe__clone_node_max(const pcmk_resource_t *clone)
{
const clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, pe__const_top_resource(clone, false));
return clone_data->clone_node_max;
}
/*!
* \internal
* \brief Return the maximum number of clone instances allowed to be promoted
*
* \param[in] clone Promotable clone or clone instance to check
*
* \return Maximum promoted instances for \p clone
*/
int
pe__clone_promoted_max(const pcmk_resource_t *clone)
{
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, pe__const_top_resource(clone, false));
return clone_data->promoted_max;
}
/*!
* \internal
* \brief Return the maximum number of clone instances allowed to be promoted
*
* \param[in] clone Promotable clone or clone instance to check
*
* \return Maximum promoted instances for \p clone
*/
int
pe__clone_promoted_node_max(const pcmk_resource_t *clone)
{
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, pe__const_top_resource(clone, false));
return clone_data->promoted_node_max;
}
static GList *
sorted_hash_table_values(GHashTable *table)
{
GList *retval = NULL;
GHashTableIter iter;
gpointer key, value;
g_hash_table_iter_init(&iter, table);
while (g_hash_table_iter_next(&iter, &key, &value)) {
if (!g_list_find_custom(retval, value, (GCompareFunc) strcmp)) {
retval = g_list_prepend(retval, (char *) value);
}
}
retval = g_list_sort(retval, (GCompareFunc) strcmp);
return retval;
}
static GList *
nodes_with_status(GHashTable *table, const char *status)
{
GList *retval = NULL;
GHashTableIter iter;
gpointer key, value;
g_hash_table_iter_init(&iter, table);
while (g_hash_table_iter_next(&iter, &key, &value)) {
if (!strcmp((char *) value, status)) {
retval = g_list_prepend(retval, key);
}
}
retval = g_list_sort(retval, (GCompareFunc) pcmk__numeric_strcasecmp);
return retval;
}
static GString *
node_list_to_str(const GList *list)
{
GString *retval = NULL;
for (const GList *iter = list; iter != NULL; iter = iter->next) {
pcmk__add_word(&retval, 1024, (const char *) iter->data);
}
return retval;
}
static void
clone_header(pcmk__output_t *out, int *rc, const pcmk_resource_t *rsc,
clone_variant_data_t *clone_data, const char *desc)
{
GString *attrs = NULL;
if (pcmk_is_set(rsc->flags, pcmk_rsc_promotable)) {
pcmk__add_separated_word(&attrs, 64, "promotable", ", ");
}
if (pcmk_is_set(rsc->flags, pcmk_rsc_unique)) {
pcmk__add_separated_word(&attrs, 64, "unique", ", ");
}
if (pe__resource_is_disabled(rsc)) {
pcmk__add_separated_word(&attrs, 64, "disabled", ", ");
}
if (pcmk_is_set(rsc->flags, pcmk_rsc_maintenance)) {
pcmk__add_separated_word(&attrs, 64, "maintenance", ", ");
} else if (!pcmk_is_set(rsc->flags, pcmk_rsc_managed)) {
pcmk__add_separated_word(&attrs, 64, "unmanaged", ", ");
}
if (attrs != NULL) {
PCMK__OUTPUT_LIST_HEADER(out, FALSE, *rc, "Clone Set: %s [%s] (%s)%s%s%s",
rsc->id,
pcmk__xe_id(clone_data->xml_obj_child),
(const char *) attrs->str, desc ? " (" : "",
desc ? desc : "", desc ? ")" : "");
g_string_free(attrs, TRUE);
} else {
PCMK__OUTPUT_LIST_HEADER(out, FALSE, *rc, "Clone Set: %s [%s]%s%s%s",
rsc->id,
pcmk__xe_id(clone_data->xml_obj_child),
desc ? " (" : "", desc ? desc : "",
desc ? ")" : "");
}
}
void
pe__force_anon(const char *standard, pcmk_resource_t *rsc, const char *rid,
pcmk_scheduler_t *scheduler)
{
if (pcmk__is_clone(rsc)) {
clone_variant_data_t *clone_data = rsc->variant_opaque;
pcmk__config_warn("Ignoring " PCMK_META_GLOBALLY_UNIQUE " for %s "
"because %s resources such as %s can be used only as "
"anonymous clones", rsc->id, standard, rid);
clone_data->clone_node_max = 1;
clone_data->clone_max = QB_MIN(clone_data->clone_max,
g_list_length(scheduler->nodes));
}
}
pcmk_resource_t *
find_clone_instance(const pcmk_resource_t *rsc, const char *sub_id)
{
char *child_id = NULL;
pcmk_resource_t *child = NULL;
const char *child_base = NULL;
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, rsc);
child_base = pcmk__xe_id(clone_data->xml_obj_child);
child_id = crm_strdup_printf("%s:%s", child_base, sub_id);
child = pe_find_resource(rsc->children, child_id);
free(child_id);
return child;
}
pcmk_resource_t *
pe__create_clone_child(pcmk_resource_t *rsc, pcmk_scheduler_t *scheduler)
{
gboolean as_orphan = FALSE;
char *inc_num = NULL;
char *inc_max = NULL;
pcmk_resource_t *child_rsc = NULL;
xmlNode *child_copy = NULL;
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, rsc);
CRM_CHECK(clone_data->xml_obj_child != NULL, return FALSE);
if (clone_data->total_clones >= clone_data->clone_max) {
// If we've already used all available instances, this is an orphan
as_orphan = TRUE;
}
// Allocate instance numbers in numerical order (starting at 0)
inc_num = pcmk__itoa(clone_data->total_clones);
inc_max = pcmk__itoa(clone_data->clone_max);
child_copy = pcmk__xml_copy(NULL, clone_data->xml_obj_child);
crm_xml_add(child_copy, PCMK__META_CLONE, inc_num);
if (pe__unpack_resource(child_copy, &child_rsc, rsc,
scheduler) != pcmk_rc_ok) {
goto bail;
}
/* child_rsc->globally_unique = rsc->globally_unique; */
CRM_ASSERT(child_rsc);
clone_data->total_clones += 1;
pcmk__rsc_trace(child_rsc, "Setting clone attributes for: %s",
child_rsc->id);
rsc->children = g_list_append(rsc->children, child_rsc);
if (as_orphan) {
pe__set_resource_flags_recursive(child_rsc, pcmk_rsc_removed);
}
pcmk__insert_meta(child_rsc, PCMK_META_CLONE_MAX, inc_max);
pcmk__rsc_trace(rsc, "Added %s instance %s", rsc->id, child_rsc->id);
bail:
free(inc_num);
free(inc_max);
return child_rsc;
}
/*!
* \internal
* \brief Unpack a nonnegative integer value from a resource meta-attribute
*
* \param[in] rsc Resource with meta-attribute
* \param[in] meta_name Name of meta-attribute to unpack
* \param[in] deprecated_name If not NULL, try unpacking this
* if \p meta_name is unset
* \param[in] default_value Value to use if unset
*
* \return Integer parsed from resource's specified meta-attribute if a valid
* nonnegative integer, \p default_value if unset, or 0 if invalid
*/
static int
unpack_meta_int(const pcmk_resource_t *rsc, const char *meta_name,
const char *deprecated_name, int default_value)
{
int integer = default_value;
const char *value = g_hash_table_lookup(rsc->meta, meta_name);
if ((value == NULL) && (deprecated_name != NULL)) {
value = g_hash_table_lookup(rsc->meta, deprecated_name);
if (value != NULL) {
if (pcmk__str_eq(deprecated_name, PCMK__META_PROMOTED_MAX_LEGACY,
pcmk__str_none)) {
pcmk__warn_once(pcmk__wo_clone_master_max,
"Support for the " PCMK__META_PROMOTED_MAX_LEGACY
" meta-attribute (such as in %s) is deprecated "
"and will be removed in a future release. Use the "
PCMK_META_PROMOTED_MAX " meta-attribute instead.",
rsc->id);
} else if (pcmk__str_eq(deprecated_name, PCMK__META_PROMOTED_NODE_MAX_LEGACY,
pcmk__str_none)) {
pcmk__warn_once(pcmk__wo_clone_master_node_max,
"Support for the " PCMK__META_PROMOTED_NODE_MAX_LEGACY
" meta-attribute (such as in %s) is deprecated "
"and will be removed in a future release. Use the "
PCMK_META_PROMOTED_NODE_MAX " meta-attribute instead.",
rsc->id);
}
}
}
if (value != NULL) {
pcmk__scan_min_int(value, &integer, 0);
}
return integer;
}
gboolean
clone_unpack(pcmk_resource_t *rsc, pcmk_scheduler_t *scheduler)
{
int lpc = 0;
xmlNode *a_child = NULL;
- xmlNode *xml_obj = rsc->xml;
+ xmlNode *xml_obj = rsc->private->xml;
clone_variant_data_t *clone_data = NULL;
pcmk__rsc_trace(rsc, "Processing resource %s...", rsc->id);
clone_data = pcmk__assert_alloc(1, sizeof(clone_variant_data_t));
rsc->variant_opaque = clone_data;
if (pcmk_is_set(rsc->flags, pcmk_rsc_promotable)) {
// Use 1 as default but 0 for minimum and invalid
// @COMPAT PCMK__META_PROMOTED_MAX_LEGACY deprecated since 2.0.0
clone_data->promoted_max =
unpack_meta_int(rsc, PCMK_META_PROMOTED_MAX,
PCMK__META_PROMOTED_MAX_LEGACY, 1);
// Use 1 as default but 0 for minimum and invalid
// @COMPAT PCMK__META_PROMOTED_NODE_MAX_LEGACY deprecated since 2.0.0
clone_data->promoted_node_max =
unpack_meta_int(rsc, PCMK_META_PROMOTED_NODE_MAX,
PCMK__META_PROMOTED_NODE_MAX_LEGACY, 1);
}
// Use 1 as default but 0 for minimum and invalid
clone_data->clone_node_max = unpack_meta_int(rsc, PCMK_META_CLONE_NODE_MAX,
NULL, 1);
/* Use number of nodes (but always at least 1, which is handy for crm_verify
* for a CIB without nodes) as default, but 0 for minimum and invalid
*/
clone_data->clone_max = unpack_meta_int(rsc, PCMK_META_CLONE_MAX, NULL,
QB_MAX(1, g_list_length(scheduler->nodes)));
if (crm_is_true(g_hash_table_lookup(rsc->meta, PCMK_META_ORDERED))) {
clone_data->flags = pcmk__set_flags_as(__func__, __LINE__, LOG_TRACE,
"Clone", rsc->id,
clone_data->flags,
pcmk__clone_ordered,
"pcmk__clone_ordered");
}
if (!pcmk_is_set(rsc->flags, pcmk_rsc_unique)
&& (clone_data->clone_node_max > 1)) {
pcmk__config_err("Ignoring " PCMK_META_CLONE_NODE_MAX " of %d for %s "
"because anonymous clones support only one instance "
"per node", clone_data->clone_node_max, rsc->id);
clone_data->clone_node_max = 1;
}
pcmk__rsc_trace(rsc, "Options for %s", rsc->id);
pcmk__rsc_trace(rsc, "\tClone max: %d", clone_data->clone_max);
pcmk__rsc_trace(rsc, "\tClone node max: %d", clone_data->clone_node_max);
pcmk__rsc_trace(rsc, "\tClone is unique: %s",
pcmk__flag_text(rsc->flags, pcmk_rsc_unique));
pcmk__rsc_trace(rsc, "\tClone is promotable: %s",
pcmk__flag_text(rsc->flags, pcmk_rsc_promotable));
// Clones may contain a single group or primitive
for (a_child = pcmk__xe_first_child(xml_obj, NULL, NULL, NULL);
a_child != NULL; a_child = pcmk__xe_next(a_child)) {
if (pcmk__str_any_of((const char *) a_child->name,
PCMK_XE_PRIMITIVE, PCMK_XE_GROUP, NULL)) {
clone_data->xml_obj_child = a_child;
break;
}
}
if (clone_data->xml_obj_child == NULL) {
pcmk__config_err("%s has nothing to clone", rsc->id);
return FALSE;
}
/*
* Make clones ever so slightly sticky by default
*
* This helps ensure clone instances are not shuffled around the cluster
* for no benefit in situations when pre-allocation is not appropriate
*/
if (g_hash_table_lookup(rsc->meta, PCMK_META_RESOURCE_STICKINESS) == NULL) {
pcmk__insert_meta(rsc, PCMK_META_RESOURCE_STICKINESS, "1");
}
/* This ensures that the PCMK_META_GLOBALLY_UNIQUE value always exists for
* children to inherit when being unpacked, as well as in resource agents'
* environment.
*/
pcmk__insert_meta(rsc, PCMK_META_GLOBALLY_UNIQUE,
pcmk__flag_text(rsc->flags, pcmk_rsc_unique));
if (clone_data->clone_max <= 0) {
/* Create one child instance so that unpack_find_resource() will hook up
* any orphans up to the parent correctly.
*/
if (pe__create_clone_child(rsc, scheduler) == NULL) {
return FALSE;
}
} else {
// Create a child instance for each available instance number
for (lpc = 0; lpc < clone_data->clone_max; lpc++) {
if (pe__create_clone_child(rsc, scheduler) == NULL) {
return FALSE;
}
}
}
pcmk__rsc_trace(rsc, "Added %d children to resource %s...",
clone_data->clone_max, rsc->id);
return TRUE;
}
gboolean
clone_active(pcmk_resource_t * rsc, gboolean all)
{
GList *gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *child_rsc = (pcmk_resource_t *) gIter->data;
gboolean child_active = child_rsc->private->fns->active(child_rsc, all);
if (all == FALSE && child_active) {
return TRUE;
} else if (all && child_active == FALSE) {
return FALSE;
}
}
if (all) {
return TRUE;
} else {
return FALSE;
}
}
static const char *
configured_role_str(pcmk_resource_t * rsc)
{
const char *target_role = g_hash_table_lookup(rsc->meta,
PCMK_META_TARGET_ROLE);
if ((target_role == NULL) && rsc->children && rsc->children->data) {
pcmk_resource_t *instance = rsc->children->data; // Any instance will do
target_role = g_hash_table_lookup(instance->meta,
PCMK_META_TARGET_ROLE);
}
return target_role;
}
static enum rsc_role_e
configured_role(pcmk_resource_t *rsc)
{
enum rsc_role_e role = pcmk_role_unknown;
const char *target_role = configured_role_str(rsc);
if (target_role != NULL) {
role = pcmk_parse_role(target_role);
if (role == pcmk_role_unknown) {
pcmk__config_err("Invalid " PCMK_META_TARGET_ROLE
" for resource %s", rsc->id);
}
}
return role;
}
bool
is_set_recursive(const pcmk_resource_t *rsc, long long flag, bool any)
{
GList *gIter;
bool all = !any;
if (pcmk_is_set(rsc->flags, flag)) {
if(any) {
return TRUE;
}
} else if(all) {
return FALSE;
}
for (gIter = rsc->children; gIter != NULL; gIter = gIter->next) {
if(is_set_recursive(gIter->data, flag, any)) {
if(any) {
return TRUE;
}
} else if(all) {
return FALSE;
}
}
if(all) {
return TRUE;
}
return FALSE;
}
PCMK__OUTPUT_ARGS("clone", "uint32_t", "pcmk_resource_t *", "GList *",
"GList *")
int
pe__clone_xml(pcmk__output_t *out, va_list args)
{
uint32_t show_opts = va_arg(args, uint32_t);
pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *);
GList *only_node = va_arg(args, GList *);
GList *only_rsc = va_arg(args, GList *);
GList *gIter = rsc->children;
GList *all = NULL;
int rc = pcmk_rc_no_output;
gboolean printed_header = FALSE;
gboolean print_everything = TRUE;
if (rsc->private->fns->is_filtered(rsc, only_rsc, TRUE)) {
return rc;
}
print_everything = pcmk__str_in_list(rsc_printable_id(rsc), only_rsc, pcmk__str_star_matches) ||
(strstr(rsc->id, ":") != NULL && pcmk__str_in_list(rsc->id, only_rsc, pcmk__str_star_matches));
all = g_list_prepend(all, (gpointer) "*");
for (; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *child_rsc = (pcmk_resource_t *) gIter->data;
if (pcmk__rsc_filtered_by_node(child_rsc, only_node)) {
continue;
}
if (child_rsc->private->fns->is_filtered(child_rsc, only_rsc,
print_everything)) {
continue;
}
if (!printed_header) {
const char *multi_state = pcmk__flag_text(rsc->flags,
pcmk_rsc_promotable);
const char *unique = pcmk__flag_text(rsc->flags, pcmk_rsc_unique);
const char *maintenance = pcmk__flag_text(rsc->flags,
pcmk_rsc_maintenance);
const char *managed = pcmk__flag_text(rsc->flags, pcmk_rsc_managed);
const char *disabled = pcmk__btoa(pe__resource_is_disabled(rsc));
const char *failed = pcmk__flag_text(rsc->flags, pcmk_rsc_failed);
const char *ignored = pcmk__flag_text(rsc->flags,
pcmk_rsc_ignore_failure);
const char *target_role = configured_role_str(rsc);
const char *desc = pe__resource_description(rsc, show_opts);
printed_header = TRUE;
rc = pe__name_and_nvpairs_xml(out, true, PCMK_XE_CLONE,
PCMK_XA_ID, rsc->id,
PCMK_XA_MULTI_STATE, multi_state,
PCMK_XA_UNIQUE, unique,
PCMK_XA_MAINTENANCE, maintenance,
PCMK_XA_MANAGED, managed,
PCMK_XA_DISABLED, disabled,
PCMK_XA_FAILED, failed,
PCMK_XA_FAILURE_IGNORED, ignored,
PCMK_XA_TARGET_ROLE, target_role,
PCMK_XA_DESCRIPTION, desc,
NULL);
CRM_ASSERT(rc == pcmk_rc_ok);
}
- out->message(out, (const char *) child_rsc->xml->name, show_opts,
- child_rsc, only_node, all);
+ out->message(out, (const char *) child_rsc->private->xml->name,
+ show_opts, child_rsc, only_node, all);
}
if (printed_header) {
pcmk__output_xml_pop_parent(out);
}
g_list_free(all);
return rc;
}
PCMK__OUTPUT_ARGS("clone", "uint32_t", "pcmk_resource_t *", "GList *",
"GList *")
int
pe__clone_default(pcmk__output_t *out, va_list args)
{
uint32_t show_opts = va_arg(args, uint32_t);
pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *);
GList *only_node = va_arg(args, GList *);
GList *only_rsc = va_arg(args, GList *);
GHashTable *stopped = NULL;
GString *list_text = NULL;
GList *promoted_list = NULL;
GList *started_list = NULL;
GList *gIter = rsc->children;
const char *desc = NULL;
clone_variant_data_t *clone_data = NULL;
int active_instances = 0;
int rc = pcmk_rc_no_output;
gboolean print_everything = TRUE;
desc = pe__resource_description(rsc, show_opts);
get_clone_variant_data(clone_data, rsc);
if (rsc->private->fns->is_filtered(rsc, only_rsc, TRUE)) {
return rc;
}
print_everything = pcmk__str_in_list(rsc_printable_id(rsc), only_rsc, pcmk__str_star_matches) ||
(strstr(rsc->id, ":") != NULL && pcmk__str_in_list(rsc->id, only_rsc, pcmk__str_star_matches));
for (; gIter != NULL; gIter = gIter->next) {
gboolean print_full = FALSE;
pcmk_resource_t *child_rsc = (pcmk_resource_t *) gIter->data;
gboolean partially_active = child_rsc->private->fns->active(child_rsc,
FALSE);
if (pcmk__rsc_filtered_by_node(child_rsc, only_node)) {
continue;
}
if (child_rsc->private->fns->is_filtered(child_rsc, only_rsc,
print_everything)) {
continue;
}
if (pcmk_is_set(show_opts, pcmk_show_clone_detail)) {
print_full = TRUE;
}
if (pcmk_is_set(rsc->flags, pcmk_rsc_unique)) {
// Print individual instance when unique (except stopped orphans)
if (partially_active
|| !pcmk_is_set(rsc->flags, pcmk_rsc_removed)) {
print_full = TRUE;
}
// Everything else in this block is for anonymous clones
} else if (pcmk_is_set(show_opts, pcmk_show_pending)
&& (child_rsc->pending_task != NULL)
&& strcmp(child_rsc->pending_task, "probe")) {
// Print individual instance when non-probe action is pending
print_full = TRUE;
} else if (partially_active == FALSE) {
// List stopped instances when requested (except orphans)
if (!pcmk_is_set(child_rsc->flags, pcmk_rsc_removed)
&& !pcmk_is_set(show_opts, pcmk_show_clone_detail)
&& pcmk_is_set(show_opts, pcmk_show_inactive_rscs)) {
if (stopped == NULL) {
stopped = pcmk__strkey_table(free, free);
}
pcmk__insert_dup(stopped, child_rsc->id, "Stopped");
}
} else if (is_set_recursive(child_rsc, pcmk_rsc_removed, TRUE)
|| !is_set_recursive(child_rsc, pcmk_rsc_managed, FALSE)
|| is_set_recursive(child_rsc, pcmk_rsc_failed, TRUE)) {
// Print individual instance when active orphaned/unmanaged/failed
print_full = TRUE;
} else if (child_rsc->private->fns->active(child_rsc, TRUE)) {
// Instance of fully active anonymous clone
pcmk_node_t *location = NULL;
location = child_rsc->private->fns->location(child_rsc, NULL, TRUE);
if (location) {
// Instance is active on a single node
enum rsc_role_e a_role;
a_role = child_rsc->private->fns->state(child_rsc, TRUE);
if (location->details->online == FALSE && location->details->unclean) {
print_full = TRUE;
} else if (a_role > pcmk_role_unpromoted) {
promoted_list = g_list_append(promoted_list, location);
} else {
started_list = g_list_append(started_list, location);
}
} else {
/* uncolocated group - bleh */
print_full = TRUE;
}
} else {
// Instance of partially active anonymous clone
print_full = TRUE;
}
if (print_full) {
GList *all = NULL;
clone_header(out, &rc, rsc, clone_data, desc);
/* Print every resource that's a child of this clone. */
all = g_list_prepend(all, (gpointer) "*");
- out->message(out, (const char *) child_rsc->xml->name, show_opts,
- child_rsc, only_node, all);
+ out->message(out, (const char *) child_rsc->private->xml->name,
+ show_opts, child_rsc, only_node, all);
g_list_free(all);
}
}
if (pcmk_is_set(show_opts, pcmk_show_clone_detail)) {
PCMK__OUTPUT_LIST_FOOTER(out, rc);
return pcmk_rc_ok;
}
/* Promoted */
promoted_list = g_list_sort(promoted_list, pe__cmp_node_name);
for (gIter = promoted_list; gIter; gIter = gIter->next) {
pcmk_node_t *host = gIter->data;
if (!pcmk__str_in_list(host->details->uname, only_node,
pcmk__str_star_matches|pcmk__str_casei)) {
continue;
}
pcmk__add_word(&list_text, 1024, host->details->uname);
active_instances++;
}
g_list_free(promoted_list);
if ((list_text != NULL) && (list_text->len > 0)) {
clone_header(out, &rc, rsc, clone_data, desc);
out->list_item(out, NULL, PROMOTED_INSTANCES ": [ %s ]",
(const char *) list_text->str);
g_string_truncate(list_text, 0);
}
/* Started/Unpromoted */
started_list = g_list_sort(started_list, pe__cmp_node_name);
for (gIter = started_list; gIter; gIter = gIter->next) {
pcmk_node_t *host = gIter->data;
if (!pcmk__str_in_list(host->details->uname, only_node,
pcmk__str_star_matches|pcmk__str_casei)) {
continue;
}
pcmk__add_word(&list_text, 1024, host->details->uname);
active_instances++;
}
g_list_free(started_list);
if ((list_text != NULL) && (list_text->len > 0)) {
clone_header(out, &rc, rsc, clone_data, desc);
if (pcmk_is_set(rsc->flags, pcmk_rsc_promotable)) {
enum rsc_role_e role = configured_role(rsc);
if (role == pcmk_role_unpromoted) {
out->list_item(out, NULL,
UNPROMOTED_INSTANCES
" (" PCMK_META_TARGET_ROLE "): [ %s ]",
(const char *) list_text->str);
} else {
out->list_item(out, NULL, UNPROMOTED_INSTANCES ": [ %s ]",
(const char *) list_text->str);
}
} else {
out->list_item(out, NULL, "Started: [ %s ]",
(const char *) list_text->str);
}
}
if (list_text != NULL) {
g_string_free(list_text, TRUE);
}
if (pcmk_is_set(show_opts, pcmk_show_inactive_rscs)) {
if (!pcmk_is_set(rsc->flags, pcmk_rsc_unique)
&& (clone_data->clone_max > active_instances)) {
GList *nIter;
GList *list = g_hash_table_get_values(rsc->allowed_nodes);
/* Custom stopped table for non-unique clones */
if (stopped != NULL) {
g_hash_table_destroy(stopped);
stopped = NULL;
}
if (list == NULL) {
/* Clusters with PCMK_OPT_SYMMETRIC_CLUSTER=false haven't
* calculated allowed_nodes yet. If we've not probed for them
* yet, the Stopped list will be empty.
*/
list = g_hash_table_get_values(rsc->known_on);
}
list = g_list_sort(list, pe__cmp_node_name);
for (nIter = list; nIter != NULL; nIter = nIter->next) {
pcmk_node_t *node = (pcmk_node_t *) nIter->data;
if ((pcmk__find_node_in_list(rsc->running_on,
node->details->uname) == NULL)
&& pcmk__str_in_list(node->details->uname, only_node,
pcmk__str_star_matches|pcmk__str_casei)) {
xmlNode *probe_op = pe__failed_probe_for_rsc(rsc, node->details->uname);
const char *state = "Stopped";
if (configured_role(rsc) == pcmk_role_stopped) {
state = "Stopped (disabled)";
}
if (stopped == NULL) {
stopped = pcmk__strkey_table(free, free);
}
if (probe_op != NULL) {
int rc;
pcmk__scan_min_int(crm_element_value(probe_op,
PCMK__XA_RC_CODE),
&rc, 0);
g_hash_table_insert(stopped, strdup(node->details->uname),
crm_strdup_printf("Stopped (%s)", services_ocf_exitcode_str(rc)));
} else {
pcmk__insert_dup(stopped, node->details->uname, state);
}
}
}
g_list_free(list);
}
if (stopped != NULL) {
GList *list = sorted_hash_table_values(stopped);
clone_header(out, &rc, rsc, clone_data, desc);
for (GList *status_iter = list; status_iter != NULL; status_iter = status_iter->next) {
const char *status = status_iter->data;
GList *nodes = nodes_with_status(stopped, status);
GString *nodes_str = node_list_to_str(nodes);
if (nodes_str != NULL) {
if (nodes_str->len > 0) {
out->list_item(out, NULL, "%s: [ %s ]", status,
(const char *) nodes_str->str);
}
g_string_free(nodes_str, TRUE);
}
g_list_free(nodes);
}
g_list_free(list);
g_hash_table_destroy(stopped);
/* If there are no instances of this clone (perhaps because there are no
* nodes configured), simply output the clone header by itself. This can
* come up in PCS testing.
*/
} else if (active_instances == 0) {
clone_header(out, &rc, rsc, clone_data, desc);
PCMK__OUTPUT_LIST_FOOTER(out, rc);
return rc;
}
}
PCMK__OUTPUT_LIST_FOOTER(out, rc);
return rc;
}
void
clone_free(pcmk_resource_t * rsc)
{
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, rsc);
pcmk__rsc_trace(rsc, "Freeing %s", rsc->id);
for (GList *gIter = rsc->children; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *child_rsc = (pcmk_resource_t *) gIter->data;
CRM_ASSERT(child_rsc);
pcmk__rsc_trace(child_rsc, "Freeing child %s", child_rsc->id);
- pcmk__xml_free(child_rsc->xml);
- child_rsc->xml = NULL;
+ pcmk__xml_free(child_rsc->private->xml);
+ child_rsc->private->xml = NULL;
/* There could be a saved unexpanded xml */
pcmk__xml_free(child_rsc->orig_xml);
child_rsc->orig_xml = NULL;
child_rsc->private->fns->free(child_rsc);
}
g_list_free(rsc->children);
if (clone_data) {
CRM_ASSERT(clone_data->demote_notify == NULL);
CRM_ASSERT(clone_data->stop_notify == NULL);
CRM_ASSERT(clone_data->start_notify == NULL);
CRM_ASSERT(clone_data->promote_notify == NULL);
}
common_free(rsc);
}
enum rsc_role_e
clone_resource_state(const pcmk_resource_t * rsc, gboolean current)
{
enum rsc_role_e clone_role = pcmk_role_unknown;
GList *gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *child_rsc = (pcmk_resource_t *) gIter->data;
enum rsc_role_e a_role = child_rsc->private->fns->state(child_rsc,
current);
if (a_role > clone_role) {
clone_role = a_role;
}
}
pcmk__rsc_trace(rsc, "%s role: %s", rsc->id, pcmk_role_text(clone_role));
return clone_role;
}
/*!
* \internal
* \brief Check whether a clone has an instance for every node
*
* \param[in] rsc Clone to check
* \param[in] scheduler Scheduler data
*/
bool
pe__is_universal_clone(const pcmk_resource_t *rsc,
const pcmk_scheduler_t *scheduler)
{
if (pcmk__is_clone(rsc)) {
clone_variant_data_t *clone_data = rsc->variant_opaque;
if (clone_data->clone_max == g_list_length(scheduler->nodes)) {
return TRUE;
}
}
return FALSE;
}
gboolean
pe__clone_is_filtered(const pcmk_resource_t *rsc, GList *only_rsc,
gboolean check_parent)
{
gboolean passes = FALSE;
clone_variant_data_t *clone_data = NULL;
if (pcmk__str_in_list(rsc_printable_id(rsc), only_rsc, pcmk__str_star_matches)) {
passes = TRUE;
} else {
get_clone_variant_data(clone_data, rsc);
passes = pcmk__str_in_list(pcmk__xe_id(clone_data->xml_obj_child),
only_rsc, pcmk__str_star_matches);
if (!passes) {
for (const GList *iter = rsc->children;
iter != NULL; iter = iter->next) {
const pcmk_resource_t *child_rsc = NULL;
child_rsc = (const pcmk_resource_t *) iter->data;
if (!child_rsc->private->fns->is_filtered(child_rsc, only_rsc,
FALSE)) {
passes = TRUE;
break;
}
}
}
}
return !passes;
}
const char *
pe__clone_child_id(const pcmk_resource_t *rsc)
{
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, rsc);
return pcmk__xe_id(clone_data->xml_obj_child);
}
/*!
* \internal
* \brief Check whether a clone is ordered
*
* \param[in] clone Clone resource to check
*
* \return true if clone is ordered, otherwise false
*/
bool
pe__clone_is_ordered(const pcmk_resource_t *clone)
{
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, clone);
return pcmk_is_set(clone_data->flags, pcmk__clone_ordered);
}
/*!
* \internal
* \brief Set a clone flag
*
* \param[in,out] clone Clone resource to set flag for
* \param[in] flag Clone flag to set
*
* \return Standard Pacemaker return code (either pcmk_rc_ok if flag was not
* already set or pcmk_rc_already if it was)
*/
int
pe__set_clone_flag(pcmk_resource_t *clone, enum pcmk__clone_flags flag)
{
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, clone);
if (pcmk_is_set(clone_data->flags, flag)) {
return pcmk_rc_already;
}
clone_data->flags = pcmk__set_flags_as(__func__, __LINE__, LOG_TRACE,
"Clone", clone->id,
clone_data->flags, flag, "flag");
return pcmk_rc_ok;
}
/*!
* \internal
* \brief Check whether a clone flag is set
*
* \param[in] group Clone resource to check
* \param[in] flags Flag or flags to check
*
* \return \c true if all \p flags are set for \p clone, otherwise \c false
*/
bool
pe__clone_flag_is_set(const pcmk_resource_t *clone, uint32_t flags)
{
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, clone);
CRM_ASSERT(clone_data != NULL);
return pcmk_all_flags_set(clone_data->flags, flags);
}
/*!
* \internal
* \brief Create pseudo-actions needed for promotable clones
*
* \param[in,out] clone Promotable clone to create actions for
* \param[in] any_promoting Whether any instances will be promoted
* \param[in] any_demoting Whether any instance will be demoted
*/
void
pe__create_promotable_pseudo_ops(pcmk_resource_t *clone, bool any_promoting,
bool any_demoting)
{
pcmk_action_t *action = NULL;
pcmk_action_t *action_complete = NULL;
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, clone);
// Create a "promote" action for the clone itself
action = pe__new_rsc_pseudo_action(clone, PCMK_ACTION_PROMOTE,
!any_promoting, true);
// Create a "promoted" action for when all promotions are done
action_complete = pe__new_rsc_pseudo_action(clone, PCMK_ACTION_PROMOTED,
!any_promoting, true);
action_complete->priority = PCMK_SCORE_INFINITY;
// Create notification pseudo-actions for promotion
if (clone_data->promote_notify == NULL) {
clone_data->promote_notify = pe__action_notif_pseudo_ops(clone,
PCMK_ACTION_PROMOTE,
action,
action_complete);
}
// Create a "demote" action for the clone itself
action = pe__new_rsc_pseudo_action(clone, PCMK_ACTION_DEMOTE,
!any_demoting, true);
// Create a "demoted" action for when all demotions are done
action_complete = pe__new_rsc_pseudo_action(clone, PCMK_ACTION_DEMOTED,
!any_demoting, true);
action_complete->priority = PCMK_SCORE_INFINITY;
// Create notification pseudo-actions for demotion
if (clone_data->demote_notify == NULL) {
clone_data->demote_notify = pe__action_notif_pseudo_ops(clone,
PCMK_ACTION_DEMOTE,
action,
action_complete);
if (clone_data->promote_notify != NULL) {
order_actions(clone_data->stop_notify->post_done,
clone_data->promote_notify->pre, pcmk__ar_ordered);
order_actions(clone_data->start_notify->post_done,
clone_data->promote_notify->pre, pcmk__ar_ordered);
order_actions(clone_data->demote_notify->post_done,
clone_data->promote_notify->pre, pcmk__ar_ordered);
order_actions(clone_data->demote_notify->post_done,
clone_data->start_notify->pre, pcmk__ar_ordered);
order_actions(clone_data->demote_notify->post_done,
clone_data->stop_notify->pre, pcmk__ar_ordered);
}
}
}
/*!
* \internal
* \brief Create all notification data and actions for a clone
*
* \param[in,out] clone Clone to create notifications for
*/
void
pe__create_clone_notifications(pcmk_resource_t *clone)
{
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, clone);
pe__create_action_notifications(clone, clone_data->start_notify);
pe__create_action_notifications(clone, clone_data->stop_notify);
pe__create_action_notifications(clone, clone_data->promote_notify);
pe__create_action_notifications(clone, clone_data->demote_notify);
}
/*!
* \internal
* \brief Free all notification data for a clone
*
* \param[in,out] clone Clone to free notification data for
*/
void
pe__free_clone_notification_data(pcmk_resource_t *clone)
{
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, clone);
pe__free_action_notification_data(clone_data->demote_notify);
clone_data->demote_notify = NULL;
pe__free_action_notification_data(clone_data->stop_notify);
clone_data->stop_notify = NULL;
pe__free_action_notification_data(clone_data->start_notify);
clone_data->start_notify = NULL;
pe__free_action_notification_data(clone_data->promote_notify);
clone_data->promote_notify = NULL;
}
/*!
* \internal
* \brief Create pseudo-actions for clone start/stop notifications
*
* \param[in,out] clone Clone to create pseudo-actions for
* \param[in,out] start Start action for \p clone
* \param[in,out] stop Stop action for \p clone
* \param[in,out] started Started action for \p clone
* \param[in,out] stopped Stopped action for \p clone
*/
void
pe__create_clone_notif_pseudo_ops(pcmk_resource_t *clone,
pcmk_action_t *start, pcmk_action_t *started,
pcmk_action_t *stop, pcmk_action_t *stopped)
{
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, clone);
if (clone_data->start_notify == NULL) {
clone_data->start_notify = pe__action_notif_pseudo_ops(clone,
PCMK_ACTION_START,
start, started);
}
if (clone_data->stop_notify == NULL) {
clone_data->stop_notify = pe__action_notif_pseudo_ops(clone,
PCMK_ACTION_STOP,
stop, stopped);
if ((clone_data->start_notify != NULL)
&& (clone_data->stop_notify != NULL)) {
order_actions(clone_data->stop_notify->post_done,
clone_data->start_notify->pre, pcmk__ar_ordered);
}
}
}
/*!
* \internal
* \brief Get maximum clone resource instances per node
*
* \param[in] rsc Clone resource to check
*
* \return Maximum number of \p rsc instances that can be active on one node
*/
unsigned int
pe__clone_max_per_node(const pcmk_resource_t *rsc)
{
const clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, rsc);
return clone_data->clone_node_max;
}
diff --git a/lib/pengine/complex.c b/lib/pengine/complex.c
index ebd117ec2c..e839bd0757 100644
--- a/lib/pengine/complex.c
+++ b/lib/pengine/complex.c
@@ -1,1272 +1,1277 @@
/*
* Copyright 2004-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU Lesser General Public License
* version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <crm/pengine/rules.h>
#include <crm/pengine/internal.h>
#include <crm/common/xml.h>
#include <crm/common/xml_internal.h>
#include <crm/common/scheduler_internal.h>
#include "pe_status_private.h"
void populate_hash(xmlNode * nvpair_list, GHashTable * hash, const char **attrs, int attrs_length);
static pcmk_node_t *active_node(const pcmk_resource_t *rsc,
unsigned int *count_all,
unsigned int *count_clean);
static pcmk__rsc_methods_t resource_class_functions[] = {
{
native_unpack,
native_find_rsc,
native_parameter,
native_active,
native_resource_state,
native_location,
native_free,
pe__count_common,
pe__native_is_filtered,
active_node,
pe__primitive_max_per_node,
},
{
group_unpack,
native_find_rsc,
native_parameter,
group_active,
group_resource_state,
native_location,
group_free,
pe__count_common,
pe__group_is_filtered,
active_node,
pe__group_max_per_node,
},
{
clone_unpack,
native_find_rsc,
native_parameter,
clone_active,
clone_resource_state,
native_location,
clone_free,
pe__count_common,
pe__clone_is_filtered,
active_node,
pe__clone_max_per_node,
},
{
pe__unpack_bundle,
native_find_rsc,
native_parameter,
pe__bundle_active,
pe__bundle_resource_state,
native_location,
pe__free_bundle,
pe__count_bundle,
pe__bundle_is_filtered,
pe__bundle_active_node,
pe__bundle_max_per_node,
}
};
static enum pe_obj_types
get_resource_type(const char *name)
{
if (pcmk__str_eq(name, PCMK_XE_PRIMITIVE, pcmk__str_casei)) {
return pcmk_rsc_variant_primitive;
} else if (pcmk__str_eq(name, PCMK_XE_GROUP, pcmk__str_casei)) {
return pcmk_rsc_variant_group;
} else if (pcmk__str_eq(name, PCMK_XE_CLONE, pcmk__str_casei)) {
return pcmk_rsc_variant_clone;
} else if (pcmk__str_eq(name, PCMK__XE_PROMOTABLE_LEGACY,
pcmk__str_casei)) {
// @COMPAT deprecated since 2.0.0
return pcmk_rsc_variant_clone;
} else if (pcmk__str_eq(name, PCMK_XE_BUNDLE, pcmk__str_casei)) {
return pcmk_rsc_variant_bundle;
}
return pcmk_rsc_variant_unknown;
}
/*!
* \internal
* \brief Insert a meta-attribute if not already present
*
* \param[in] key Meta-attribute name
* \param[in] value Meta-attribute value to add if not already present
* \param[in,out] table Meta-attribute hash table to insert into
*
* \note This is like pcmk__insert_meta() except it won't overwrite existing
* values.
*/
static void
dup_attr(gpointer key, gpointer value, gpointer user_data)
{
GHashTable *table = user_data;
CRM_CHECK((key != NULL) && (table != NULL), return);
if (pcmk__str_eq((const char *) value, "#default", pcmk__str_casei)) {
// @COMPAT Deprecated since 2.1.8
pcmk__config_warn("Support for setting meta-attributes (such as %s) to "
"the explicit value '#default' is deprecated and "
"will be removed in a future release",
(const char *) key);
} else if ((value != NULL) && (g_hash_table_lookup(table, key) == NULL)) {
pcmk__insert_dup(table, (const char *) key, (const char *) value);
}
}
static void
expand_parents_fixed_nvpairs(pcmk_resource_t *rsc,
pe_rule_eval_data_t *rule_data,
GHashTable *meta_hash, pcmk_scheduler_t *scheduler)
{
GHashTable *parent_orig_meta = pcmk__strkey_table(free, free);
pcmk_resource_t *p = rsc->parent;
if (p == NULL) {
return ;
}
/* Search all parent resources, get the fixed value of
* PCMK_XE_META_ATTRIBUTES set only in the original xml, and stack it in the
* hash table. The fixed value of the lower parent resource takes precedence
* and is not overwritten.
*/
while(p != NULL) {
/* A hash table for comparison is generated, including the id-ref. */
- pe__unpack_dataset_nvpairs(p->xml, PCMK_XE_META_ATTRIBUTES, rule_data,
- parent_orig_meta, NULL, FALSE, scheduler);
+ pe__unpack_dataset_nvpairs(p->private->xml, PCMK_XE_META_ATTRIBUTES,
+ rule_data, parent_orig_meta, NULL, FALSE,
+ scheduler);
p = p->parent;
}
if (parent_orig_meta != NULL) {
// This will not overwrite any values already existing for child
g_hash_table_foreach(parent_orig_meta, dup_attr, meta_hash);
}
if (parent_orig_meta != NULL) {
g_hash_table_destroy(parent_orig_meta);
}
return ;
}
void
get_meta_attributes(GHashTable * meta_hash, pcmk_resource_t * rsc,
pcmk_node_t *node, pcmk_scheduler_t *scheduler)
{
pe_rsc_eval_data_t rsc_rule_data = {
- .standard = crm_element_value(rsc->xml, PCMK_XA_CLASS),
- .provider = crm_element_value(rsc->xml, PCMK_XA_PROVIDER),
- .agent = crm_element_value(rsc->xml, PCMK_XA_TYPE)
+ .standard = crm_element_value(rsc->private->xml, PCMK_XA_CLASS),
+ .provider = crm_element_value(rsc->private->xml, PCMK_XA_PROVIDER),
+ .agent = crm_element_value(rsc->private->xml, PCMK_XA_TYPE)
};
pe_rule_eval_data_t rule_data = {
.node_hash = NULL,
.now = scheduler->now,
.match_data = NULL,
.rsc_data = &rsc_rule_data,
.op_data = NULL
};
if (node) {
/* @COMPAT Support for node attribute expressions in rules for
* meta-attributes is deprecated. When we can break behavioral backward
* compatibility, drop this block.
*/
rule_data.node_hash = node->details->attrs;
}
- for (xmlAttrPtr a = pcmk__xe_first_attr(rsc->xml); a != NULL; a = a->next) {
+ for (xmlAttrPtr a = pcmk__xe_first_attr(rsc->private->xml);
+ a != NULL; a = a->next) {
+
if (a->children != NULL) {
dup_attr((gpointer) a->name, (gpointer) a->children->content,
meta_hash);
}
}
- pe__unpack_dataset_nvpairs(rsc->xml, PCMK_XE_META_ATTRIBUTES, &rule_data,
- meta_hash, NULL, FALSE, scheduler);
+ pe__unpack_dataset_nvpairs(rsc->private->xml, PCMK_XE_META_ATTRIBUTES,
+ &rule_data, meta_hash, NULL, FALSE, scheduler);
/* Set the PCMK_XE_META_ATTRIBUTES explicitly set in the parent resource to
* the hash table of the child resource. If it is already explicitly set as
* a child, it will not be overwritten.
*/
if (rsc->parent != NULL) {
expand_parents_fixed_nvpairs(rsc, &rule_data, meta_hash, scheduler);
}
/* check the defaults */
pe__unpack_dataset_nvpairs(scheduler->rsc_defaults, PCMK_XE_META_ATTRIBUTES,
&rule_data, meta_hash, NULL, FALSE, scheduler);
/* If there is PCMK_XE_META_ATTRIBUTES that the parent resource has not
* explicitly set, set a value that is not set from PCMK_XE_RSC_DEFAULTS
* either. The values already set up to this point will not be overwritten.
*/
if (rsc->parent) {
g_hash_table_foreach(rsc->parent->meta, dup_attr, meta_hash);
}
}
void
get_rsc_attributes(GHashTable *meta_hash, const pcmk_resource_t *rsc,
const pcmk_node_t *node, pcmk_scheduler_t *scheduler)
{
pe_rule_eval_data_t rule_data = {
.node_hash = NULL,
.now = scheduler->now,
.match_data = NULL,
.rsc_data = NULL,
.op_data = NULL
};
if (node) {
rule_data.node_hash = node->details->attrs;
}
- pe__unpack_dataset_nvpairs(rsc->xml, PCMK_XE_INSTANCE_ATTRIBUTES,
+ pe__unpack_dataset_nvpairs(rsc->private->xml, PCMK_XE_INSTANCE_ATTRIBUTES,
&rule_data, meta_hash, NULL, FALSE, scheduler);
/* set anything else based on the parent */
if (rsc->parent != NULL) {
get_rsc_attributes(meta_hash, rsc->parent, node, scheduler);
} else {
if (pcmk__xe_first_child(scheduler->rsc_defaults,
PCMK_XE_INSTANCE_ATTRIBUTES, NULL,
NULL) != NULL) {
/* Not possible with schema validation enabled
*
* @COMPAT Drop support when we can break behavioral
* backward compatibility
*/
pcmk__warn_once(pcmk__wo_instance_defaults,
"Support for " PCMK_XE_INSTANCE_ATTRIBUTES " in "
PCMK_XE_RSC_DEFAULTS " is deprecated and will be "
"removed in a future release");
}
/* and finally check the defaults */
pe__unpack_dataset_nvpairs(scheduler->rsc_defaults,
PCMK_XE_INSTANCE_ATTRIBUTES, &rule_data,
meta_hash, NULL, FALSE, scheduler);
}
}
static char *
template_op_key(xmlNode * op)
{
const char *name = crm_element_value(op, PCMK_XA_NAME);
const char *role = crm_element_value(op, PCMK_XA_ROLE);
char *key = NULL;
if ((role == NULL)
|| pcmk__strcase_any_of(role, PCMK_ROLE_STARTED, PCMK_ROLE_UNPROMOTED,
PCMK__ROLE_UNPROMOTED_LEGACY, NULL)) {
role = PCMK__ROLE_UNKNOWN;
}
key = crm_strdup_printf("%s-%s", name, role);
return key;
}
static gboolean
unpack_template(xmlNode *xml_obj, xmlNode **expanded_xml,
pcmk_scheduler_t *scheduler)
{
xmlNode *cib_resources = NULL;
xmlNode *template = NULL;
xmlNode *new_xml = NULL;
xmlNode *child_xml = NULL;
xmlNode *rsc_ops = NULL;
xmlNode *template_ops = NULL;
const char *template_ref = NULL;
const char *id = NULL;
if (xml_obj == NULL) {
pcmk__config_err("No resource object for template unpacking");
return FALSE;
}
template_ref = crm_element_value(xml_obj, PCMK_XA_TEMPLATE);
if (template_ref == NULL) {
return TRUE;
}
id = pcmk__xe_id(xml_obj);
if (id == NULL) {
pcmk__config_err("'%s' object must have a id", xml_obj->name);
return FALSE;
}
if (pcmk__str_eq(template_ref, id, pcmk__str_none)) {
pcmk__config_err("The resource object '%s' should not reference itself",
id);
return FALSE;
}
cib_resources = get_xpath_object("//" PCMK_XE_RESOURCES, scheduler->input,
LOG_TRACE);
if (cib_resources == NULL) {
pcmk__config_err("No resources configured");
return FALSE;
}
template = pcmk__xe_first_child(cib_resources, PCMK_XE_TEMPLATE,
PCMK_XA_ID, template_ref);
if (template == NULL) {
pcmk__config_err("No template named '%s'", template_ref);
return FALSE;
}
new_xml = pcmk__xml_copy(NULL, template);
xmlNodeSetName(new_xml, xml_obj->name);
crm_xml_add(new_xml, PCMK_XA_ID, id);
crm_xml_add(new_xml, PCMK__META_CLONE,
crm_element_value(xml_obj, PCMK__META_CLONE));
template_ops = pcmk__xe_first_child(new_xml, PCMK_XE_OPERATIONS, NULL,
NULL);
for (child_xml = pcmk__xe_first_child(xml_obj, NULL, NULL, NULL);
child_xml != NULL; child_xml = pcmk__xe_next(child_xml)) {
xmlNode *new_child = pcmk__xml_copy(new_xml, child_xml);
if (pcmk__xe_is(new_child, PCMK_XE_OPERATIONS)) {
rsc_ops = new_child;
}
}
if (template_ops && rsc_ops) {
xmlNode *op = NULL;
GHashTable *rsc_ops_hash = pcmk__strkey_table(free, NULL);
for (op = pcmk__xe_first_child(rsc_ops, NULL, NULL, NULL); op != NULL;
op = pcmk__xe_next(op)) {
char *key = template_op_key(op);
g_hash_table_insert(rsc_ops_hash, key, op);
}
for (op = pcmk__xe_first_child(template_ops, NULL, NULL, NULL);
op != NULL; op = pcmk__xe_next(op)) {
char *key = template_op_key(op);
if (g_hash_table_lookup(rsc_ops_hash, key) == NULL) {
pcmk__xml_copy(rsc_ops, op);
}
free(key);
}
if (rsc_ops_hash) {
g_hash_table_destroy(rsc_ops_hash);
}
pcmk__xml_free(template_ops);
}
/*pcmk__xml_free(*expanded_xml); */
*expanded_xml = new_xml;
#if 0 /* Disable multi-level templates for now */
if (!unpack_template(new_xml, expanded_xml, scheduler)) {
pcmk__xml_free(*expanded_xml);
*expanded_xml = NULL;
return FALSE;
}
#endif
return TRUE;
}
static gboolean
add_template_rsc(xmlNode *xml_obj, pcmk_scheduler_t *scheduler)
{
const char *template_ref = NULL;
const char *id = NULL;
if (xml_obj == NULL) {
pcmk__config_err("No resource object for processing resource list "
"of template");
return FALSE;
}
template_ref = crm_element_value(xml_obj, PCMK_XA_TEMPLATE);
if (template_ref == NULL) {
return TRUE;
}
id = pcmk__xe_id(xml_obj);
if (id == NULL) {
pcmk__config_err("'%s' object must have a id", xml_obj->name);
return FALSE;
}
if (pcmk__str_eq(template_ref, id, pcmk__str_none)) {
pcmk__config_err("The resource object '%s' should not reference itself",
id);
return FALSE;
}
if (add_tag_ref(scheduler->template_rsc_sets, template_ref, id) == FALSE) {
return FALSE;
}
return TRUE;
}
static bool
detect_promotable(pcmk_resource_t *rsc)
{
const char *promotable = g_hash_table_lookup(rsc->meta,
PCMK_META_PROMOTABLE);
if (crm_is_true(promotable)) {
return TRUE;
}
// @COMPAT deprecated since 2.0.0
- if (pcmk__xe_is(rsc->xml, PCMK__XE_PROMOTABLE_LEGACY)) {
+ if (pcmk__xe_is(rsc->private->xml, PCMK__XE_PROMOTABLE_LEGACY)) {
pcmk__warn_once(pcmk__wo_master_element,
"Support for <" PCMK__XE_PROMOTABLE_LEGACY "> (such "
"as in %s) is deprecated and will be removed in a "
"future release. Use <" PCMK_XE_CLONE "> with a "
PCMK_META_PROMOTABLE " meta-attribute instead.",
rsc->id);
pcmk__insert_dup(rsc->meta, PCMK_META_PROMOTABLE, PCMK_VALUE_TRUE);
return TRUE;
}
return FALSE;
}
static void
free_params_table(gpointer data)
{
g_hash_table_destroy((GHashTable *) data);
}
/*!
* \brief Get a table of resource parameters
*
* \param[in,out] rsc Resource to query
* \param[in] node Node for evaluating rules (NULL for defaults)
* \param[in,out] scheduler Scheduler data
*
* \return Hash table containing resource parameter names and values
* (or NULL if \p rsc or \p scheduler is NULL)
* \note The returned table will be destroyed when the resource is freed, so
* callers should not destroy it.
*/
GHashTable *
pe_rsc_params(pcmk_resource_t *rsc, const pcmk_node_t *node,
pcmk_scheduler_t *scheduler)
{
GHashTable *params_on_node = NULL;
/* A NULL node is used to request the resource's default parameters
* (not evaluated for node), but we always want something non-NULL
* as a hash table key.
*/
const char *node_name = "";
// Sanity check
if ((rsc == NULL) || (scheduler == NULL)) {
return NULL;
}
if ((node != NULL) && (node->details->uname != NULL)) {
node_name = node->details->uname;
}
// Find the parameter table for given node
if (rsc->parameter_cache == NULL) {
rsc->parameter_cache = pcmk__strikey_table(free, free_params_table);
} else {
params_on_node = g_hash_table_lookup(rsc->parameter_cache, node_name);
}
// If none exists yet, create one with parameters evaluated for node
if (params_on_node == NULL) {
params_on_node = pcmk__strkey_table(free, free);
get_rsc_attributes(params_on_node, rsc, node, scheduler);
g_hash_table_insert(rsc->parameter_cache, strdup(node_name),
params_on_node);
}
return params_on_node;
}
/*!
* \internal
* \brief Unpack a resource's \c PCMK_META_REQUIRES meta-attribute
*
* \param[in,out] rsc Resource being unpacked
* \param[in] value Value of \c PCMK_META_REQUIRES meta-attribute
* \param[in] is_default Whether \p value was selected by default
*/
static void
unpack_requires(pcmk_resource_t *rsc, const char *value, bool is_default)
{
if (pcmk__str_eq(value, PCMK_VALUE_NOTHING, pcmk__str_casei)) {
} else if (pcmk__str_eq(value, PCMK_VALUE_QUORUM, pcmk__str_casei)) {
pcmk__set_rsc_flags(rsc, pcmk_rsc_needs_quorum);
} else if (pcmk__str_eq(value, PCMK_VALUE_FENCING, pcmk__str_casei)) {
pcmk__set_rsc_flags(rsc, pcmk_rsc_needs_fencing);
if (!pcmk_is_set(rsc->cluster->flags, pcmk_sched_fencing_enabled)) {
pcmk__config_warn("%s requires fencing but fencing is disabled",
rsc->id);
}
} else if (pcmk__str_eq(value, PCMK_VALUE_UNFENCING, pcmk__str_casei)) {
if (pcmk_is_set(rsc->flags, pcmk_rsc_fence_device)) {
pcmk__config_warn("Resetting \"" PCMK_META_REQUIRES "\" for %s "
"to \"" PCMK_VALUE_QUORUM "\" because fencing "
"devices cannot require unfencing", rsc->id);
unpack_requires(rsc, PCMK_VALUE_QUORUM, true);
return;
} else if (!pcmk_is_set(rsc->cluster->flags,
pcmk_sched_fencing_enabled)) {
pcmk__config_warn("Resetting \"" PCMK_META_REQUIRES "\" for %s "
"to \"" PCMK_VALUE_QUORUM "\" because fencing is "
"disabled", rsc->id);
unpack_requires(rsc, PCMK_VALUE_QUORUM, true);
return;
} else {
pcmk__set_rsc_flags(rsc, pcmk_rsc_needs_fencing
|pcmk_rsc_needs_unfencing);
}
} else {
const char *orig_value = value;
if (pcmk_is_set(rsc->flags, pcmk_rsc_fence_device)) {
value = PCMK_VALUE_QUORUM;
} else if (pcmk__is_primitive(rsc)
- && xml_contains_remote_node(rsc->xml)) {
+ && xml_contains_remote_node(rsc->private->xml)) {
value = PCMK_VALUE_QUORUM;
} else if (pcmk_is_set(rsc->cluster->flags,
pcmk_sched_enable_unfencing)) {
value = PCMK_VALUE_UNFENCING;
} else if (pcmk_is_set(rsc->cluster->flags,
pcmk_sched_fencing_enabled)) {
value = PCMK_VALUE_FENCING;
} else if (rsc->cluster->no_quorum_policy == pcmk_no_quorum_ignore) {
value = PCMK_VALUE_NOTHING;
} else {
value = PCMK_VALUE_QUORUM;
}
if (orig_value != NULL) {
pcmk__config_err("Resetting '" PCMK_META_REQUIRES "' for %s "
"to '%s' because '%s' is not valid",
rsc->id, value, orig_value);
}
unpack_requires(rsc, value, true);
return;
}
pcmk__rsc_trace(rsc, "\tRequired to start: %s%s", value,
(is_default? " (default)" : ""));
}
static void
warn_about_deprecated_classes(pcmk_resource_t *rsc)
{
- const char *std = crm_element_value(rsc->xml, PCMK_XA_CLASS);
+ const char *std = crm_element_value(rsc->private->xml, PCMK_XA_CLASS);
if (pcmk__str_eq(std, PCMK_RESOURCE_CLASS_UPSTART, pcmk__str_none)) {
pcmk__warn_once(pcmk__wo_upstart,
"Support for Upstart resources (such as %s) is "
"deprecated and will be removed in a future release",
rsc->id);
} else if (pcmk__str_eq(std, PCMK_RESOURCE_CLASS_NAGIOS, pcmk__str_none)) {
pcmk__warn_once(pcmk__wo_nagios,
"Support for Nagios resources (such as %s) is "
"deprecated and will be removed in a future release",
rsc->id);
}
}
/*!
* \internal
* \brief Unpack configuration XML for a given resource
*
* Unpack the XML object containing a resource's configuration into a new
* \c pcmk_resource_t object.
*
* \param[in] xml_obj XML node containing the resource's configuration
* \param[out] rsc Where to store the unpacked resource information
* \param[in] parent Resource's parent, if any
* \param[in,out] scheduler Scheduler data
*
* \return Standard Pacemaker return code
* \note If pcmk_rc_ok is returned, \p *rsc is guaranteed to be non-NULL, and
* the caller is responsible for freeing it using its variant-specific
* free() method. Otherwise, \p *rsc is guaranteed to be NULL.
*/
int
pe__unpack_resource(xmlNode *xml_obj, pcmk_resource_t **rsc,
pcmk_resource_t *parent, pcmk_scheduler_t *scheduler)
{
xmlNode *expanded_xml = NULL;
xmlNode *ops = NULL;
const char *value = NULL;
const char *id = NULL;
bool guest_node = false;
bool remote_node = false;
pcmk__resource_private_t *rsc_private = NULL;
pe_rule_eval_data_t rule_data = {
.node_hash = NULL,
.now = NULL,
.match_data = NULL,
.rsc_data = NULL,
.op_data = NULL
};
CRM_CHECK(rsc != NULL, return EINVAL);
CRM_CHECK((xml_obj != NULL) && (scheduler != NULL),
*rsc = NULL;
return EINVAL);
rule_data.now = scheduler->now;
crm_log_xml_trace(xml_obj, "[raw XML]");
id = crm_element_value(xml_obj, PCMK_XA_ID);
if (id == NULL) {
pcmk__config_err("Ignoring <%s> configuration without " PCMK_XA_ID,
xml_obj->name);
return pcmk_rc_unpack_error;
}
if (unpack_template(xml_obj, &expanded_xml, scheduler) == FALSE) {
return pcmk_rc_unpack_error;
}
*rsc = calloc(1, sizeof(pcmk_resource_t));
if (*rsc == NULL) {
pcmk__sched_err("Unable to allocate memory for resource '%s'", id);
return ENOMEM;
}
(*rsc)->private = calloc(1, sizeof(pcmk__resource_private_t));
if ((*rsc)->private == NULL) {
pcmk__sched_err("Unable to allocate memory for resource '%s'", id);
free(*rsc);
return ENOMEM;
}
rsc_private = (*rsc)->private;
(*rsc)->cluster = scheduler;
if (expanded_xml) {
crm_log_xml_trace(expanded_xml, "[expanded XML]");
- (*rsc)->xml = expanded_xml;
+ rsc_private->xml = expanded_xml;
(*rsc)->orig_xml = xml_obj;
} else {
- (*rsc)->xml = xml_obj;
+ rsc_private->xml = xml_obj;
(*rsc)->orig_xml = NULL;
}
/* Do not use xml_obj from here on, use (*rsc)->xml in case templates are involved */
(*rsc)->parent = parent;
- ops = pcmk__xe_first_child((*rsc)->xml, PCMK_XE_OPERATIONS, NULL, NULL);
+ ops = pcmk__xe_first_child(rsc_private->xml, PCMK_XE_OPERATIONS, NULL,
+ NULL);
(*rsc)->ops_xml = pcmk__xe_resolve_idref(ops, scheduler->input);
- (*rsc)->variant = get_resource_type((const char *) (*rsc)->xml->name);
+ (*rsc)->variant = get_resource_type((const char *) rsc_private->xml->name);
if ((*rsc)->variant == pcmk_rsc_variant_unknown) {
pcmk__config_err("Ignoring resource '%s' of unknown type '%s'",
- id, (*rsc)->xml->name);
+ id, rsc_private->xml->name);
common_free(*rsc);
*rsc = NULL;
return pcmk_rc_unpack_error;
}
(*rsc)->meta = pcmk__strkey_table(free, free);
(*rsc)->allowed_nodes = pcmk__strkey_table(NULL, free);
(*rsc)->known_on = pcmk__strkey_table(NULL, free);
- value = crm_element_value((*rsc)->xml, PCMK__META_CLONE);
+ value = crm_element_value(rsc_private->xml, PCMK__META_CLONE);
if (value) {
(*rsc)->id = crm_strdup_printf("%s:%s", id, value);
pcmk__insert_meta(*rsc, PCMK__META_CLONE, value);
} else {
(*rsc)->id = strdup(id);
}
warn_about_deprecated_classes(*rsc);
rsc_private->fns = &resource_class_functions[(*rsc)->variant];
get_meta_attributes((*rsc)->meta, *rsc, NULL, scheduler);
(*rsc)->parameters = pe_rsc_params(*rsc, NULL, scheduler); // \deprecated
(*rsc)->flags = 0;
pcmk__set_rsc_flags(*rsc, pcmk_rsc_runnable|pcmk_rsc_unassigned);
if (!pcmk_is_set(scheduler->flags, pcmk_sched_in_maintenance)) {
pcmk__set_rsc_flags(*rsc, pcmk_rsc_managed);
}
(*rsc)->rsc_cons = NULL;
(*rsc)->rsc_tickets = NULL;
(*rsc)->actions = NULL;
(*rsc)->role = pcmk_role_stopped;
(*rsc)->next_role = pcmk_role_unknown;
(*rsc)->recovery_type = pcmk_multiply_active_restart;
(*rsc)->stickiness = 0;
(*rsc)->migration_threshold = PCMK_SCORE_INFINITY;
(*rsc)->failure_timeout = 0;
value = g_hash_table_lookup((*rsc)->meta, PCMK_META_PRIORITY);
(*rsc)->priority = char2score(value);
value = g_hash_table_lookup((*rsc)->meta, PCMK_META_CRITICAL);
if ((value == NULL) || crm_is_true(value)) {
pcmk__set_rsc_flags(*rsc, pcmk_rsc_critical);
}
value = g_hash_table_lookup((*rsc)->meta, PCMK_META_NOTIFY);
if (crm_is_true(value)) {
pcmk__set_rsc_flags(*rsc, pcmk_rsc_notify);
}
- if (xml_contains_remote_node((*rsc)->xml)) {
+ if (xml_contains_remote_node(rsc_private->xml)) {
(*rsc)->is_remote_node = TRUE;
if (g_hash_table_lookup((*rsc)->meta, PCMK__META_CONTAINER)) {
guest_node = true;
} else {
remote_node = true;
}
}
value = g_hash_table_lookup((*rsc)->meta, PCMK_META_ALLOW_MIGRATE);
if (crm_is_true(value)) {
pcmk__set_rsc_flags(*rsc, pcmk_rsc_migratable);
} else if ((value == NULL) && remote_node) {
/* By default, we want remote nodes to be able
* to float around the cluster without having to stop all the
* resources within the remote-node before moving. Allowing
* migration support enables this feature. If this ever causes
* problems, migration support can be explicitly turned off with
* PCMK_META_ALLOW_MIGRATE=false.
*/
pcmk__set_rsc_flags(*rsc, pcmk_rsc_migratable);
}
value = g_hash_table_lookup((*rsc)->meta, PCMK_META_IS_MANAGED);
if (value != NULL) {
if (pcmk__str_eq(PCMK_VALUE_DEFAULT, value, pcmk__str_casei)) {
// @COMPAT Deprecated since 2.1.8
pcmk__config_warn("Support for setting " PCMK_META_IS_MANAGED
" to the explicit value '" PCMK_VALUE_DEFAULT
"' is deprecated and will be removed in a "
"future release (just leave it unset)");
} else if (crm_is_true(value)) {
pcmk__set_rsc_flags(*rsc, pcmk_rsc_managed);
} else {
pcmk__clear_rsc_flags(*rsc, pcmk_rsc_managed);
}
}
value = g_hash_table_lookup((*rsc)->meta, PCMK_META_MAINTENANCE);
if (crm_is_true(value)) {
pcmk__clear_rsc_flags(*rsc, pcmk_rsc_managed);
pcmk__set_rsc_flags(*rsc, pcmk_rsc_maintenance);
}
if (pcmk_is_set(scheduler->flags, pcmk_sched_in_maintenance)) {
pcmk__clear_rsc_flags(*rsc, pcmk_rsc_managed);
pcmk__set_rsc_flags(*rsc, pcmk_rsc_maintenance);
}
if (pcmk__is_clone(pe__const_top_resource(*rsc, false))) {
value = g_hash_table_lookup((*rsc)->meta, PCMK_META_GLOBALLY_UNIQUE);
if (crm_is_true(value)) {
pcmk__set_rsc_flags(*rsc, pcmk_rsc_unique);
}
if (detect_promotable(*rsc)) {
pcmk__set_rsc_flags(*rsc, pcmk_rsc_promotable);
}
} else {
pcmk__set_rsc_flags(*rsc, pcmk_rsc_unique);
}
// @COMPAT Deprecated meta-attribute
value = g_hash_table_lookup((*rsc)->meta, PCMK__META_RESTART_TYPE);
if (pcmk__str_eq(value, PCMK_VALUE_RESTART, pcmk__str_casei)) {
(*rsc)->restart_type = pe_restart_restart;
pcmk__rsc_trace(*rsc, "%s dependency restart handling: restart",
(*rsc)->id);
pcmk__warn_once(pcmk__wo_restart_type,
"Support for " PCMK__META_RESTART_TYPE " is deprecated "
"and will be removed in a future release");
} else {
(*rsc)->restart_type = pe_restart_ignore;
pcmk__rsc_trace(*rsc, "%s dependency restart handling: ignore",
(*rsc)->id);
}
value = g_hash_table_lookup((*rsc)->meta, PCMK_META_MULTIPLE_ACTIVE);
if (pcmk__str_eq(value, PCMK_VALUE_STOP_ONLY, pcmk__str_casei)) {
(*rsc)->recovery_type = pcmk_multiply_active_stop;
pcmk__rsc_trace(*rsc, "%s multiple running resource recovery: stop only",
(*rsc)->id);
} else if (pcmk__str_eq(value, PCMK_VALUE_BLOCK, pcmk__str_casei)) {
(*rsc)->recovery_type = pcmk_multiply_active_block;
pcmk__rsc_trace(*rsc, "%s multiple running resource recovery: block",
(*rsc)->id);
} else if (pcmk__str_eq(value, PCMK_VALUE_STOP_UNEXPECTED,
pcmk__str_casei)) {
(*rsc)->recovery_type = pcmk_multiply_active_unexpected;
pcmk__rsc_trace(*rsc,
"%s multiple running resource recovery: "
"stop unexpected instances",
(*rsc)->id);
} else { // PCMK_VALUE_STOP_START
if (!pcmk__str_eq(value, PCMK_VALUE_STOP_START,
pcmk__str_casei|pcmk__str_null_matches)) {
pcmk__config_warn("%s is not a valid value for "
PCMK_META_MULTIPLE_ACTIVE
", using default of "
"\"" PCMK_VALUE_STOP_START "\"",
value);
}
(*rsc)->recovery_type = pcmk_multiply_active_restart;
pcmk__rsc_trace(*rsc,
"%s multiple running resource recovery: stop/start",
(*rsc)->id);
}
value = g_hash_table_lookup((*rsc)->meta, PCMK_META_RESOURCE_STICKINESS);
if (value != NULL) {
if (pcmk__str_eq(PCMK_VALUE_DEFAULT, value, pcmk__str_casei)) {
// @COMPAT Deprecated since 2.1.8
pcmk__config_warn("Support for setting "
PCMK_META_RESOURCE_STICKINESS
" to the explicit value '" PCMK_VALUE_DEFAULT
"' is deprecated and will be removed in a "
"future release (just leave it unset)");
} else {
(*rsc)->stickiness = char2score(value);
}
}
value = g_hash_table_lookup((*rsc)->meta, PCMK_META_MIGRATION_THRESHOLD);
if (value != NULL) {
if (pcmk__str_eq(PCMK_VALUE_DEFAULT, value, pcmk__str_casei)) {
// @COMPAT Deprecated since 2.1.8
pcmk__config_warn("Support for setting "
PCMK_META_MIGRATION_THRESHOLD
" to the explicit value '" PCMK_VALUE_DEFAULT
"' is deprecated and will be removed in a "
"future release (just leave it unset)");
} else {
(*rsc)->migration_threshold = char2score(value);
if ((*rsc)->migration_threshold < 0) {
/* @COMPAT We use 1 here to preserve previous behavior, but this
* should probably use the default (INFINITY) or 0 (to disable)
* instead.
*/
pcmk__warn_once(pcmk__wo_neg_threshold,
PCMK_META_MIGRATION_THRESHOLD
" must be non-negative, using 1 instead");
(*rsc)->migration_threshold = 1;
}
}
}
- if (pcmk__str_eq(crm_element_value((*rsc)->xml, PCMK_XA_CLASS),
+ if (pcmk__str_eq(crm_element_value(rsc_private->xml, PCMK_XA_CLASS),
PCMK_RESOURCE_CLASS_STONITH, pcmk__str_casei)) {
pcmk__set_scheduler_flags(scheduler, pcmk_sched_have_fencing);
pcmk__set_rsc_flags(*rsc, pcmk_rsc_fence_device);
}
value = g_hash_table_lookup((*rsc)->meta, PCMK_META_REQUIRES);
unpack_requires(*rsc, value, false);
value = g_hash_table_lookup((*rsc)->meta, PCMK_META_FAILURE_TIMEOUT);
if (value != NULL) {
guint interval_ms = 0U;
// Stored as seconds
pcmk_parse_interval_spec(value, &interval_ms);
(*rsc)->failure_timeout = (int) (interval_ms / 1000);
}
if (remote_node) {
GHashTable *params = pe_rsc_params(*rsc, NULL, scheduler);
/* Grabbing the value now means that any rules based on node attributes
* will evaluate to false, so such rules should not be used with
* PCMK_REMOTE_RA_RECONNECT_INTERVAL.
*
* @TODO Evaluate per node before using
*/
value = g_hash_table_lookup(params, PCMK_REMOTE_RA_RECONNECT_INTERVAL);
if (value) {
/* reconnect delay works by setting failure_timeout and preventing the
* connection from starting until the failure is cleared. */
pcmk_parse_interval_spec(value, &((*rsc)->remote_reconnect_ms));
/* We want to override any default failure_timeout in use when remote
* PCMK_REMOTE_RA_RECONNECT_INTERVAL is in use.
*/
(*rsc)->failure_timeout = (*rsc)->remote_reconnect_ms / 1000;
}
}
get_target_role(*rsc, &((*rsc)->next_role));
pcmk__rsc_trace(*rsc, "%s desired next state: %s", (*rsc)->id,
((*rsc)->next_role == pcmk_role_unknown)?
"default" : pcmk_role_text((*rsc)->next_role));
if (rsc_private->fns->unpack(*rsc, scheduler) == FALSE) {
rsc_private->fns->free(*rsc);
*rsc = NULL;
return pcmk_rc_unpack_error;
}
if (pcmk_is_set(scheduler->flags, pcmk_sched_symmetric_cluster)) {
// This tag must stay exactly the same because it is tested elsewhere
resource_location(*rsc, NULL, 0, "symmetric_default", scheduler);
} else if (guest_node) {
/* remote resources tied to a container resource must always be allowed
* to opt-in to the cluster. Whether the connection resource is actually
* allowed to be placed on a node is dependent on the container resource */
resource_location(*rsc, NULL, 0, "remote_connection_default",
scheduler);
}
pcmk__rsc_trace(*rsc, "%s action notification: %s", (*rsc)->id,
pcmk_is_set((*rsc)->flags, pcmk_rsc_notify)? "required" : "not required");
(*rsc)->utilization = pcmk__strkey_table(free, free);
- pe__unpack_dataset_nvpairs((*rsc)->xml, PCMK_XE_UTILIZATION, &rule_data,
- (*rsc)->utilization, NULL, FALSE, scheduler);
+ pe__unpack_dataset_nvpairs(rsc_private->xml, PCMK_XE_UTILIZATION,
+ &rule_data, (*rsc)->utilization, NULL, FALSE,
+ scheduler);
if (expanded_xml) {
if (add_template_rsc(xml_obj, scheduler) == FALSE) {
rsc_private->fns->free(*rsc);
*rsc = NULL;
return pcmk_rc_unpack_error;
}
}
return pcmk_rc_ok;
}
gboolean
is_parent(pcmk_resource_t *child, pcmk_resource_t *rsc)
{
pcmk_resource_t *parent = child;
if (parent == NULL || rsc == NULL) {
return FALSE;
}
while (parent->parent != NULL) {
if (parent->parent == rsc) {
return TRUE;
}
parent = parent->parent;
}
return FALSE;
}
pcmk_resource_t *
uber_parent(pcmk_resource_t *rsc)
{
pcmk_resource_t *parent = rsc;
if (parent == NULL) {
return NULL;
}
while ((parent->parent != NULL) && !pcmk__is_bundle(parent->parent)) {
parent = parent->parent;
}
return parent;
}
/*!
* \internal
* \brief Get the topmost parent of a resource as a const pointer
*
* \param[in] rsc Resource to check
* \param[in] include_bundle If true, go all the way to bundle
*
* \return \p NULL if \p rsc is NULL, \p rsc if \p rsc has no parent,
* the bundle if \p rsc is bundled and \p include_bundle is true,
* otherwise the topmost parent of \p rsc up to a clone
*/
const pcmk_resource_t *
pe__const_top_resource(const pcmk_resource_t *rsc, bool include_bundle)
{
const pcmk_resource_t *parent = rsc;
if (parent == NULL) {
return NULL;
}
while (parent->parent != NULL) {
if (!include_bundle && pcmk__is_bundle(parent->parent)) {
break;
}
parent = parent->parent;
}
return parent;
}
void
common_free(pcmk_resource_t * rsc)
{
if (rsc == NULL) {
return;
}
pcmk__rsc_trace(rsc, "Freeing %s %d", rsc->id, rsc->variant);
g_list_free(rsc->rsc_cons);
g_list_free(rsc->rsc_cons_lhs);
g_list_free(rsc->rsc_tickets);
g_list_free(rsc->dangling_migrations);
if (rsc->parameter_cache != NULL) {
g_hash_table_destroy(rsc->parameter_cache);
}
if (rsc->meta != NULL) {
g_hash_table_destroy(rsc->meta);
}
if (rsc->utilization != NULL) {
g_hash_table_destroy(rsc->utilization);
}
if ((rsc->parent == NULL)
&& pcmk_is_set(rsc->flags, pcmk_rsc_removed)) {
- pcmk__xml_free(rsc->xml);
- rsc->xml = NULL;
+ pcmk__xml_free(rsc->private->xml);
+ rsc->private->xml = NULL;
pcmk__xml_free(rsc->orig_xml);
rsc->orig_xml = NULL;
- /* if rsc->orig_xml, then rsc->xml is an expanded xml from a template */
} else if (rsc->orig_xml) {
- pcmk__xml_free(rsc->xml);
- rsc->xml = NULL;
+ // rsc->private->xml was expanded from a template
+ pcmk__xml_free(rsc->private->xml);
+ rsc->private->xml = NULL;
}
if (rsc->running_on) {
g_list_free(rsc->running_on);
rsc->running_on = NULL;
}
if (rsc->known_on) {
g_hash_table_destroy(rsc->known_on);
rsc->known_on = NULL;
}
if (rsc->actions) {
g_list_free(rsc->actions);
rsc->actions = NULL;
}
if (rsc->allowed_nodes) {
g_hash_table_destroy(rsc->allowed_nodes);
rsc->allowed_nodes = NULL;
}
g_list_free(rsc->fillers);
g_list_free(rsc->rsc_location);
free(rsc->id);
free(rsc->allocated_to);
free(rsc->variant_opaque);
free(rsc->pending_task);
free(rsc->private->history_id);
free(rsc->private);
free(rsc);
}
/*!
* \internal
* \brief Count a node and update most preferred to it as appropriate
*
* \param[in] rsc An active resource
* \param[in] node A node that \p rsc is active on
* \param[in,out] active This will be set to \p node if \p node is more
* preferred than the current value
* \param[in,out] count_all If not NULL, this will be incremented
* \param[in,out] count_clean If not NULL, this will be incremented if \p node
* is online and clean
*
* \return true if the count should continue, or false if sufficiently known
*/
bool
pe__count_active_node(const pcmk_resource_t *rsc, pcmk_node_t *node,
pcmk_node_t **active, unsigned int *count_all,
unsigned int *count_clean)
{
bool keep_looking = false;
bool is_happy = false;
CRM_CHECK((rsc != NULL) && (node != NULL) && (active != NULL),
return false);
is_happy = node->details->online && !node->details->unclean;
if (count_all != NULL) {
++*count_all;
}
if ((count_clean != NULL) && is_happy) {
++*count_clean;
}
if ((count_all != NULL) || (count_clean != NULL)) {
keep_looking = true; // We're counting, so go through entire list
}
if (rsc->partial_migration_source != NULL) {
if (pcmk__same_node(node, rsc->partial_migration_source)) {
*active = node; // This is the migration source
} else {
keep_looking = true;
}
} else if (!pcmk_is_set(rsc->flags, pcmk_rsc_needs_fencing)) {
if (is_happy && ((*active == NULL) || !(*active)->details->online
|| (*active)->details->unclean)) {
*active = node; // This is the first clean node
} else {
keep_looking = true;
}
}
if (*active == NULL) {
*active = node; // This is the first node checked
}
return keep_looking;
}
// Shared implementation of pcmk__rsc_methods_t:active_node()
static pcmk_node_t *
active_node(const pcmk_resource_t *rsc, unsigned int *count_all,
unsigned int *count_clean)
{
pcmk_node_t *active = NULL;
if (count_all != NULL) {
*count_all = 0;
}
if (count_clean != NULL) {
*count_clean = 0;
}
if (rsc == NULL) {
return NULL;
}
for (GList *iter = rsc->running_on; iter != NULL; iter = iter->next) {
if (!pe__count_active_node(rsc, (pcmk_node_t *) iter->data, &active,
count_all, count_clean)) {
break; // Don't waste time iterating if we don't have to
}
}
return active;
}
/*!
* \brief
* \internal Find and count active nodes according to \c PCMK_META_REQUIRES
*
* \param[in] rsc Resource to check
* \param[out] count If not NULL, will be set to count of active nodes
*
* \return An active node (or NULL if resource is not active anywhere)
*
* \note This is a convenience wrapper for active_node() where the count of all
* active nodes or only clean active nodes is desired according to the
* \c PCMK_META_REQUIRES meta-attribute.
*/
pcmk_node_t *
pe__find_active_requires(const pcmk_resource_t *rsc, unsigned int *count)
{
if (rsc == NULL) {
if (count != NULL) {
*count = 0;
}
return NULL;
}
if (pcmk_is_set(rsc->flags, pcmk_rsc_needs_fencing)) {
return rsc->private->fns->active_node(rsc, count, NULL);
} else {
return rsc->private->fns->active_node(rsc, NULL, count);
}
}
void
pe__count_common(pcmk_resource_t *rsc)
{
if (rsc->children != NULL) {
for (GList *item = rsc->children; item != NULL; item = item->next) {
pcmk_resource_t *child = item->data;
child->private->fns->count(item->data);
}
} else if (!pcmk_is_set(rsc->flags, pcmk_rsc_removed)
|| (rsc->role > pcmk_role_stopped)) {
rsc->cluster->ninstances++;
if (pe__resource_is_disabled(rsc)) {
rsc->cluster->disabled_resources++;
}
if (pcmk_is_set(rsc->flags, pcmk_rsc_blocked)) {
rsc->cluster->blocked_resources++;
}
}
}
/*!
* \internal
* \brief Update a resource's next role
*
* \param[in,out] rsc Resource to be updated
* \param[in] role Resource's new next role
* \param[in] why Human-friendly reason why role is changing (for logs)
*/
void
pe__set_next_role(pcmk_resource_t *rsc, enum rsc_role_e role, const char *why)
{
CRM_ASSERT((rsc != NULL) && (why != NULL));
if (rsc->next_role != role) {
pcmk__rsc_trace(rsc, "Resetting next role for %s from %s to %s (%s)",
rsc->id, pcmk_role_text(rsc->next_role),
pcmk_role_text(role), why);
rsc->next_role = role;
}
}
diff --git a/lib/pengine/failcounts.c b/lib/pengine/failcounts.c
index 3a05efc204..886785f9ba 100644
--- a/lib/pengine/failcounts.c
+++ b/lib/pengine/failcounts.c
@@ -1,473 +1,473 @@
/*
* Copyright 2008-2024 the Pacemaker project contributors
*
* This source code is licensed under the GNU Lesser General Public License
* version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <sys/types.h>
#include <regex.h>
#include <glib.h>
#include <crm/crm.h>
#include <crm/common/xml.h>
#include <crm/common/util.h>
#include <crm/pengine/internal.h>
static gboolean
is_matched_failure(const char *rsc_id, const xmlNode *conf_op_xml,
const xmlNode *lrm_op_xml)
{
gboolean matched = FALSE;
const char *conf_op_name = NULL;
const char *lrm_op_task = NULL;
const char *conf_op_interval_spec = NULL;
guint conf_op_interval_ms = 0;
guint lrm_op_interval_ms = 0;
const char *lrm_op_id = NULL;
char *last_failure_key = NULL;
if (rsc_id == NULL || conf_op_xml == NULL || lrm_op_xml == NULL) {
return FALSE;
}
// Get name and interval from configured op
conf_op_name = crm_element_value(conf_op_xml, PCMK_XA_NAME);
conf_op_interval_spec = crm_element_value(conf_op_xml, PCMK_META_INTERVAL);
pcmk_parse_interval_spec(conf_op_interval_spec, &conf_op_interval_ms);
// Get name and interval from op history entry
lrm_op_task = crm_element_value(lrm_op_xml, PCMK_XA_OPERATION);
crm_element_value_ms(lrm_op_xml, PCMK_META_INTERVAL, &lrm_op_interval_ms);
if ((conf_op_interval_ms != lrm_op_interval_ms)
|| !pcmk__str_eq(conf_op_name, lrm_op_task, pcmk__str_casei)) {
return FALSE;
}
lrm_op_id = pcmk__xe_id(lrm_op_xml);
last_failure_key = pcmk__op_key(rsc_id, "last_failure", 0);
if (pcmk__str_eq(last_failure_key, lrm_op_id, pcmk__str_casei)) {
matched = TRUE;
} else {
char *expected_op_key = pcmk__op_key(rsc_id, conf_op_name,
conf_op_interval_ms);
if (pcmk__str_eq(expected_op_key, lrm_op_id, pcmk__str_casei)) {
int rc = 0;
int target_rc = pe__target_rc_from_xml(lrm_op_xml);
crm_element_value_int(lrm_op_xml, PCMK__XA_RC_CODE, &rc);
if (rc != target_rc) {
matched = TRUE;
}
}
free(expected_op_key);
}
free(last_failure_key);
return matched;
}
static gboolean
block_failure(const pcmk_node_t *node, pcmk_resource_t *rsc,
const xmlNode *xml_op)
{
char *xml_name = clone_strip(rsc->id);
/* @TODO This xpath search occurs after template expansion, but it is unable
* to properly detect on-fail in id-ref, operation meta-attributes, or
* op_defaults, or evaluate rules.
*
* Also, PCMK_META_ON_FAIL defaults to PCMK_VALUE_BLOCK (in
* unpack_operation()) for stop actions when stonith is disabled.
*
* Ideally, we'd unpack the operation before this point, and pass in a
* meta-attributes table that takes all that into consideration.
*/
char *xpath = crm_strdup_printf("//" PCMK_XE_PRIMITIVE
"[@" PCMK_XA_ID "='%s']"
"//" PCMK_XE_OP
"[@" PCMK_META_ON_FAIL
"='" PCMK_VALUE_BLOCK "']",
xml_name);
- xmlXPathObject *xpathObj = xpath_search(rsc->xml, xpath);
+ xmlXPathObject *xpathObj = xpath_search(rsc->private->xml, xpath);
gboolean should_block = FALSE;
free(xpath);
if (xpathObj) {
int max = numXpathResults(xpathObj);
int lpc = 0;
for (lpc = 0; lpc < max; lpc++) {
xmlNode *pref = getXpathResult(xpathObj, lpc);
if (xml_op) {
should_block = is_matched_failure(xml_name, pref, xml_op);
if (should_block) {
break;
}
} else {
const char *conf_op_name = NULL;
const char *conf_op_interval_spec = NULL;
guint conf_op_interval_ms = 0;
char *lrm_op_xpath = NULL;
xmlXPathObject *lrm_op_xpathObj = NULL;
// Get name and interval from configured op
conf_op_name = crm_element_value(pref, PCMK_XA_NAME);
conf_op_interval_spec = crm_element_value(pref,
PCMK_META_INTERVAL);
pcmk_parse_interval_spec(conf_op_interval_spec,
&conf_op_interval_ms);
#define XPATH_FMT "//" PCMK__XE_NODE_STATE "[@" PCMK_XA_UNAME "='%s']" \
"//" PCMK__XE_LRM_RESOURCE "[@" PCMK_XA_ID "='%s']" \
"/" PCMK__XE_LRM_RSC_OP "[@" PCMK_XA_OPERATION "='%s']" \
"[@" PCMK_META_INTERVAL "='%u']"
lrm_op_xpath = crm_strdup_printf(XPATH_FMT,
node->details->uname, xml_name,
conf_op_name,
conf_op_interval_ms);
lrm_op_xpathObj = xpath_search(rsc->cluster->input, lrm_op_xpath);
free(lrm_op_xpath);
if (lrm_op_xpathObj) {
int max2 = numXpathResults(lrm_op_xpathObj);
int lpc2 = 0;
for (lpc2 = 0; lpc2 < max2; lpc2++) {
xmlNode *lrm_op_xml = getXpathResult(lrm_op_xpathObj,
lpc2);
should_block = is_matched_failure(xml_name, pref,
lrm_op_xml);
if (should_block) {
break;
}
}
}
freeXpathObject(lrm_op_xpathObj);
if (should_block) {
break;
}
}
}
}
free(xml_name);
freeXpathObject(xpathObj);
return should_block;
}
/*!
* \internal
* \brief Get resource name as used in failure-related node attributes
*
* \param[in] rsc Resource to check
*
* \return Newly allocated string containing resource's fail name
* \note The caller is responsible for freeing the result.
*/
static inline char *
rsc_fail_name(const pcmk_resource_t *rsc)
{
const char *name = pcmk__s(rsc->private->history_id, rsc->id);
return pcmk_is_set(rsc->flags, pcmk_rsc_unique)? strdup(name) : clone_strip(name);
}
/*!
* \internal
* \brief Compile regular expression to match a failure-related node attribute
*
* \param[in] prefix Attribute prefix to match
* \param[in] rsc_name Resource name to match as used in failure attributes
* \param[in] is_legacy Whether DC uses per-resource fail counts
* \param[in] is_unique Whether the resource is a globally unique clone
* \param[out] re Where to store resulting regular expression
*
* \return Standard Pacemaker return code
* \note Fail attributes are named like PREFIX-RESOURCE#OP_INTERVAL.
* The caller is responsible for freeing re with regfree().
*/
static int
generate_fail_regex(const char *prefix, const char *rsc_name,
gboolean is_legacy, gboolean is_unique, regex_t *re)
{
char *pattern;
/* @COMPAT DC < 1.1.17: Fail counts used to be per-resource rather than
* per-operation.
*/
const char *op_pattern = (is_legacy? "" : "#.+_[0-9]+");
/* Ignore instance numbers for anything other than globally unique clones.
* Anonymous clone fail counts could contain an instance number if the
* clone was initially unique, failed, then was converted to anonymous.
* @COMPAT Also, before 1.1.8, anonymous clone fail counts always contained
* clone instance numbers.
*/
const char *instance_pattern = (is_unique? "" : "(:[0-9]+)?");
pattern = crm_strdup_printf("^%s-%s%s%s$", prefix, rsc_name,
instance_pattern, op_pattern);
if (regcomp(re, pattern, REG_EXTENDED|REG_NOSUB) != 0) {
free(pattern);
return EINVAL;
}
free(pattern);
return pcmk_rc_ok;
}
/*!
* \internal
* \brief Compile regular expressions to match failure-related node attributes
*
* \param[in] rsc Resource being checked for failures
* \param[out] failcount_re Storage for regular expression for fail count
* \param[out] lastfailure_re Storage for regular expression for last failure
*
* \return Standard Pacemaker return code
* \note On success, the caller is responsible for freeing the expressions with
* regfree().
*/
static int
generate_fail_regexes(const pcmk_resource_t *rsc,
regex_t *failcount_re, regex_t *lastfailure_re)
{
int rc = pcmk_rc_ok;
char *rsc_name = rsc_fail_name(rsc);
const char *version = crm_element_value(rsc->cluster->input,
PCMK_XA_CRM_FEATURE_SET);
// @COMPAT Pacemaker <= 1.1.16 used a single fail count per resource
gboolean is_legacy = (compare_version(version, "3.0.13") < 0);
if (generate_fail_regex(PCMK__FAIL_COUNT_PREFIX, rsc_name, is_legacy,
pcmk_is_set(rsc->flags, pcmk_rsc_unique),
failcount_re) != pcmk_rc_ok) {
rc = EINVAL;
} else if (generate_fail_regex(PCMK__LAST_FAILURE_PREFIX, rsc_name,
is_legacy,
pcmk_is_set(rsc->flags, pcmk_rsc_unique),
lastfailure_re) != pcmk_rc_ok) {
rc = EINVAL;
regfree(failcount_re);
}
free(rsc_name);
return rc;
}
// Data for fail-count-related iterators
struct failcount_data {
const pcmk_node_t *node;// Node to check for fail count
pcmk_resource_t *rsc; // Resource to check for fail count
uint32_t flags; // Fail count flags
const xmlNode *xml_op; // History entry for expiration purposes (or NULL)
regex_t failcount_re; // Fail count regular expression to match
regex_t lastfailure_re; // Last failure regular expression to match
int failcount; // Fail count so far
time_t last_failure; // Time of most recent failure so far
};
/*!
* \internal
* \brief Update fail count and last failure appropriately for a node attribute
*
* \param[in] key Node attribute name
* \param[in] value Node attribute value
* \param[in] user_data Fail count data to update
*/
static void
update_failcount_for_attr(gpointer key, gpointer value, gpointer user_data)
{
struct failcount_data *fc_data = user_data;
// If this is a matching fail count attribute, update fail count
if (regexec(&(fc_data->failcount_re), (const char *) key, 0, NULL, 0) == 0) {
fc_data->failcount = pcmk__add_scores(fc_data->failcount,
char2score(value));
pcmk__rsc_trace(fc_data->rsc, "Added %s (%s) to %s fail count (now %s)",
(const char *) key, (const char *) value,
fc_data->rsc->id,
pcmk_readable_score(fc_data->failcount));
return;
}
// If this is a matching last failure attribute, update last failure
if (regexec(&(fc_data->lastfailure_re), (const char *) key, 0, NULL,
0) == 0) {
long long last_ll;
if (pcmk__scan_ll(value, &last_ll, 0LL) == pcmk_rc_ok) {
fc_data->last_failure = (time_t) QB_MAX(fc_data->last_failure,
last_ll);
}
}
}
/*!
* \internal
* \brief Update fail count and last failure appropriately for a filler resource
*
* \param[in] data Filler resource
* \param[in] user_data Fail count data to update
*/
static void
update_failcount_for_filler(gpointer data, gpointer user_data)
{
pcmk_resource_t *filler = data;
struct failcount_data *fc_data = user_data;
time_t filler_last_failure = 0;
fc_data->failcount += pe_get_failcount(fc_data->node, filler,
&filler_last_failure, fc_data->flags,
fc_data->xml_op);
fc_data->last_failure = QB_MAX(fc_data->last_failure, filler_last_failure);
}
/*!
* \internal
* \brief Get a resource's fail count on a node
*
* \param[in] node Node to check
* \param[in,out] rsc Resource to check
* \param[out] last_failure If not NULL, where to set time of most recent
* failure of \p rsc on \p node
* \param[in] flags Group of enum pcmk__fc_flags
* \param[in] xml_op If not NULL, consider only the action in this
* history entry when determining whether on-fail
* is configured as "blocked", otherwise consider
* all actions configured for \p rsc
*
* \return Fail count for \p rsc on \p node according to \p flags
*/
int
pe_get_failcount(const pcmk_node_t *node, pcmk_resource_t *rsc,
time_t *last_failure, uint32_t flags, const xmlNode *xml_op)
{
struct failcount_data fc_data = {
.node = node,
.rsc = rsc,
.flags = flags,
.xml_op = xml_op,
.failcount = 0,
.last_failure = (time_t) 0,
};
// Calculate resource failcount as sum of all matching operation failcounts
CRM_CHECK(generate_fail_regexes(rsc, &fc_data.failcount_re,
&fc_data.lastfailure_re) == pcmk_rc_ok,
return 0);
g_hash_table_foreach(node->details->attrs, update_failcount_for_attr,
&fc_data);
regfree(&(fc_data.failcount_re));
regfree(&(fc_data.lastfailure_re));
// If failure blocks the resource, disregard any failure timeout
if ((fc_data.failcount > 0) && (rsc->failure_timeout > 0)
&& block_failure(node, rsc, xml_op)) {
pcmk__config_warn("Ignoring failure timeout %d for %s "
"because it conflicts with "
PCMK_META_ON_FAIL "=" PCMK_VALUE_BLOCK,
rsc->failure_timeout, rsc->id);
rsc->failure_timeout = 0;
}
// If all failures have expired, ignore fail count
if (pcmk_is_set(flags, pcmk__fc_effective) && (fc_data.failcount > 0)
&& (fc_data.last_failure > 0) && (rsc->failure_timeout != 0)) {
time_t now = get_effective_time(rsc->cluster);
if (now > (fc_data.last_failure + rsc->failure_timeout)) {
pcmk__rsc_debug(rsc, "Failcount for %s on %s expired after %ds",
rsc->id, pcmk__node_name(node),
rsc->failure_timeout);
fc_data.failcount = 0;
}
}
/* Add the fail count of any filler resources, except that we never want the
* fail counts of a bundle container's fillers to count towards the
* container's fail count.
*
* Most importantly, a Pacemaker Remote connection to a bundle container
* is a filler of the container, but can reside on a different node than the
* container itself. Counting its fail count on its node towards the
* container's fail count on that node could lead to attempting to stop the
* container on the wrong node.
*/
if (pcmk_is_set(flags, pcmk__fc_fillers) && (rsc->fillers != NULL)
&& !pcmk__is_bundled(rsc)) {
g_list_foreach(rsc->fillers, update_failcount_for_filler, &fc_data);
if (fc_data.failcount > 0) {
pcmk__rsc_info(rsc,
"Container %s and the resources within it "
"have failed %s time%s on %s",
rsc->id, pcmk_readable_score(fc_data.failcount),
pcmk__plural_s(fc_data.failcount),
pcmk__node_name(node));
}
} else if (fc_data.failcount > 0) {
pcmk__rsc_info(rsc, "%s has failed %s time%s on %s",
rsc->id, pcmk_readable_score(fc_data.failcount),
pcmk__plural_s(fc_data.failcount),
pcmk__node_name(node));
}
if (last_failure != NULL) {
if ((fc_data.failcount > 0) && (fc_data.last_failure > 0)) {
*last_failure = fc_data.last_failure;
} else {
*last_failure = 0;
}
}
return fc_data.failcount;
}
/*!
* \brief Schedule a controller operation to clear a fail count
*
* \param[in,out] rsc Resource with failure
* \param[in] node Node failure occurred on
* \param[in] reason Readable description why needed (for logging)
* \param[in,out] scheduler Scheduler data cluster
*
* \return Scheduled action
*/
pcmk_action_t *
pe__clear_failcount(pcmk_resource_t *rsc, const pcmk_node_t *node,
const char *reason, pcmk_scheduler_t *scheduler)
{
char *key = NULL;
pcmk_action_t *clear = NULL;
CRM_CHECK(rsc && node && reason && scheduler, return NULL);
key = pcmk__op_key(rsc->id, PCMK_ACTION_CLEAR_FAILCOUNT, 0);
clear = custom_action(rsc, key, PCMK_ACTION_CLEAR_FAILCOUNT, node, FALSE,
scheduler);
pcmk__insert_meta(clear, PCMK__META_OP_NO_WAIT, PCMK_VALUE_TRUE);
crm_notice("Clearing failure of %s on %s because %s " CRM_XS " %s",
rsc->id, pcmk__node_name(node), reason, clear->uuid);
return clear;
}
diff --git a/lib/pengine/group.c b/lib/pengine/group.c
index 417338e35b..88fd0ffaf9 100644
--- a/lib/pengine/group.c
+++ b/lib/pengine/group.c
@@ -1,465 +1,465 @@
/*
* Copyright 2004-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU Lesser General Public License
* version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <stdint.h>
#include <crm/pengine/rules.h>
#include <crm/pengine/status.h>
#include <crm/pengine/internal.h>
#include <crm/common/xml.h>
#include <crm/common/output.h>
#include <crm/common/strings_internal.h>
#include <crm/common/xml_internal.h>
#include <pe_status_private.h>
typedef struct group_variant_data_s {
pcmk_resource_t *last_child; // Last group member
uint32_t flags; // Group of enum pcmk__group_flags
} group_variant_data_t;
/*!
* \internal
* \brief Get a group's last member
*
* \param[in] group Group resource to check
*
* \return Last member of \p group if any, otherwise NULL
*/
pcmk_resource_t *
pe__last_group_member(const pcmk_resource_t *group)
{
if (group != NULL) {
CRM_CHECK(pcmk__is_group(group) && (group->variant_opaque != NULL),
return NULL);
return ((group_variant_data_t *) group->variant_opaque)->last_child;
}
return NULL;
}
/*!
* \internal
* \brief Check whether a group flag is set
*
* \param[in] group Group resource to check
* \param[in] flags Flag or flags to check
*
* \return true if all \p flags are set for \p group, otherwise false
*/
bool
pe__group_flag_is_set(const pcmk_resource_t *group, uint32_t flags)
{
group_variant_data_t *group_data = NULL;
CRM_CHECK(pcmk__is_group(group) && (group->variant_opaque != NULL),
return false);
group_data = (group_variant_data_t *) group->variant_opaque;
return pcmk_all_flags_set(group_data->flags, flags);
}
/*!
* \internal
* \brief Set a (deprecated) group flag
*
* \param[in,out] group Group resource to check
* \param[in] option Name of boolean configuration option
* \param[in] flag Flag to set if \p option is true (which is default)
* \param[in] wo_bit "Warn once" flag to use for deprecation warning
*/
static void
set_group_flag(pcmk_resource_t *group, const char *option, uint32_t flag,
uint32_t wo_bit)
{
const char *value_s = NULL;
int value = 0;
value_s = g_hash_table_lookup(group->meta, option);
// We don't actually need the null check but it speeds up the common case
if ((value_s == NULL) || (crm_str_to_boolean(value_s, &value) < 0)
|| (value != 0)) {
((group_variant_data_t *) group->variant_opaque)->flags |= flag;
} else {
pcmk__warn_once(wo_bit,
"Support for the '%s' group meta-attribute is "
"deprecated and will be removed in a future release "
"(use a resource set instead)", option);
}
}
static int
inactive_resources(pcmk_resource_t *rsc)
{
int retval = 0;
for (GList *gIter = rsc->children; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *child_rsc = (pcmk_resource_t *) gIter->data;
if (!child_rsc->private->fns->active(child_rsc, TRUE)) {
retval++;
}
}
return retval;
}
static void
group_header(pcmk__output_t *out, int *rc, const pcmk_resource_t *rsc,
int n_inactive, bool show_inactive, const char *desc)
{
GString *attrs = NULL;
if (n_inactive > 0 && !show_inactive) {
attrs = g_string_sized_new(64);
g_string_append_printf(attrs, "%d member%s inactive", n_inactive,
pcmk__plural_s(n_inactive));
}
if (pe__resource_is_disabled(rsc)) {
pcmk__add_separated_word(&attrs, 64, "disabled", ", ");
}
if (pcmk_is_set(rsc->flags, pcmk_rsc_maintenance)) {
pcmk__add_separated_word(&attrs, 64, "maintenance", ", ");
} else if (!pcmk_is_set(rsc->flags, pcmk_rsc_managed)) {
pcmk__add_separated_word(&attrs, 64, "unmanaged", ", ");
}
if (attrs != NULL) {
PCMK__OUTPUT_LIST_HEADER(out, FALSE, *rc, "Resource Group: %s (%s)%s%s%s",
rsc->id,
(const char *) attrs->str, desc ? " (" : "",
desc ? desc : "", desc ? ")" : "");
g_string_free(attrs, TRUE);
} else {
PCMK__OUTPUT_LIST_HEADER(out, FALSE, *rc, "Resource Group: %s%s%s%s",
rsc->id,
desc ? " (" : "", desc ? desc : "",
desc ? ")" : "");
}
}
static bool
skip_child_rsc(pcmk_resource_t *rsc, pcmk_resource_t *child,
gboolean parent_passes, GList *only_rsc, uint32_t show_opts)
{
bool star_list = pcmk__list_of_1(only_rsc) &&
pcmk__str_eq("*", g_list_first(only_rsc)->data, pcmk__str_none);
bool child_filtered = child->private->fns->is_filtered(child, only_rsc,
FALSE);
bool child_active = child->private->fns->active(child, FALSE);
bool show_inactive = pcmk_is_set(show_opts, pcmk_show_inactive_rscs);
/* If the resource is in only_rsc by name (so, ignoring "*") then allow
* it regardless of if it's active or not.
*/
if (!star_list && !child_filtered) {
return false;
} else if (!child_filtered && (child_active || show_inactive)) {
return false;
} else if (parent_passes && (child_active || show_inactive)) {
return false;
}
return true;
}
gboolean
group_unpack(pcmk_resource_t *rsc, pcmk_scheduler_t *scheduler)
{
- xmlNode *xml_obj = rsc->xml;
+ xmlNode *xml_obj = rsc->private->xml;
xmlNode *xml_native_rsc = NULL;
group_variant_data_t *group_data = NULL;
const char *clone_id = NULL;
pcmk__rsc_trace(rsc, "Processing resource %s...", rsc->id);
group_data = pcmk__assert_alloc(1, sizeof(group_variant_data_t));
group_data->last_child = NULL;
rsc->variant_opaque = group_data;
// @COMPAT These are deprecated since 2.1.5
set_group_flag(rsc, PCMK_META_ORDERED, pcmk__group_ordered,
pcmk__wo_group_order);
set_group_flag(rsc, "collocated", pcmk__group_colocated,
pcmk__wo_group_coloc);
- clone_id = crm_element_value(rsc->xml, PCMK__META_CLONE);
+ clone_id = crm_element_value(rsc->private->xml, PCMK__META_CLONE);
for (xml_native_rsc = pcmk__xe_first_child(xml_obj, NULL, NULL, NULL);
xml_native_rsc != NULL;
xml_native_rsc = pcmk__xe_next(xml_native_rsc)) {
if (pcmk__xe_is(xml_native_rsc, PCMK_XE_PRIMITIVE)) {
pcmk_resource_t *new_rsc = NULL;
crm_xml_add(xml_native_rsc, PCMK__META_CLONE, clone_id);
if (pe__unpack_resource(xml_native_rsc, &new_rsc, rsc,
scheduler) != pcmk_rc_ok) {
continue;
}
rsc->children = g_list_append(rsc->children, new_rsc);
group_data->last_child = new_rsc;
pcmk__rsc_trace(rsc, "Added %s member %s", rsc->id, new_rsc->id);
}
}
if (rsc->children == NULL) {
/* The schema does not allow empty groups, but if validation is
* disabled, we allow them (members can be added later).
*
* @COMPAT At a major release bump, we should consider this a failure so
* that group methods can assume children is not NULL, and there
* are no strange effects from phantom groups due to their
* presence or meta-attributes.
*/
pcmk__config_warn("Group %s will be ignored because it does not have "
"any members", rsc->id);
}
return TRUE;
}
gboolean
group_active(pcmk_resource_t *rsc, gboolean all)
{
gboolean c_all = TRUE;
gboolean c_any = FALSE;
GList *gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *child_rsc = (pcmk_resource_t *) gIter->data;
if (child_rsc->private->fns->active(child_rsc, all)) {
c_any = TRUE;
} else {
c_all = FALSE;
}
}
if (c_any == FALSE) {
return FALSE;
} else if (all && c_all == FALSE) {
return FALSE;
}
return TRUE;
}
PCMK__OUTPUT_ARGS("group", "uint32_t", "pcmk_resource_t *", "GList *",
"GList *")
int
pe__group_xml(pcmk__output_t *out, va_list args)
{
uint32_t show_opts = va_arg(args, uint32_t);
pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *);
GList *only_node = va_arg(args, GList *);
GList *only_rsc = va_arg(args, GList *);
const char *desc = NULL;
GList *gIter = rsc->children;
int rc = pcmk_rc_no_output;
gboolean parent_passes = pcmk__str_in_list(rsc_printable_id(rsc), only_rsc, pcmk__str_star_matches) ||
(strstr(rsc->id, ":") != NULL && pcmk__str_in_list(rsc->id, only_rsc, pcmk__str_star_matches));
desc = pe__resource_description(rsc, show_opts);
if (rsc->private->fns->is_filtered(rsc, only_rsc, TRUE)) {
return rc;
}
for (; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *child_rsc = (pcmk_resource_t *) gIter->data;
if (skip_child_rsc(rsc, child_rsc, parent_passes, only_rsc, show_opts)) {
continue;
}
if (rc == pcmk_rc_no_output) {
char *count = pcmk__itoa(g_list_length(gIter));
const char *maintenance = pcmk__flag_text(rsc->flags,
pcmk_rsc_maintenance);
const char *managed = pcmk__flag_text(rsc->flags, pcmk_rsc_managed);
const char *disabled = pcmk__btoa(pe__resource_is_disabled(rsc));
rc = pe__name_and_nvpairs_xml(out, true, PCMK_XE_GROUP,
PCMK_XA_ID, rsc->id,
PCMK_XA_NUMBER_RESOURCES, count,
PCMK_XA_MAINTENANCE, maintenance,
PCMK_XA_MANAGED, managed,
PCMK_XA_DISABLED, disabled,
PCMK_XA_DESCRIPTION, desc,
NULL);
free(count);
CRM_ASSERT(rc == pcmk_rc_ok);
}
- out->message(out, (const char *) child_rsc->xml->name, show_opts,
- child_rsc, only_node, only_rsc);
+ out->message(out, (const char *) child_rsc->private->xml->name,
+ show_opts, child_rsc, only_node, only_rsc);
}
if (rc == pcmk_rc_ok) {
pcmk__output_xml_pop_parent(out);
}
return rc;
}
PCMK__OUTPUT_ARGS("group", "uint32_t", "pcmk_resource_t *", "GList *",
"GList *")
int
pe__group_default(pcmk__output_t *out, va_list args)
{
uint32_t show_opts = va_arg(args, uint32_t);
pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *);
GList *only_node = va_arg(args, GList *);
GList *only_rsc = va_arg(args, GList *);
const char *desc = NULL;
int rc = pcmk_rc_no_output;
gboolean parent_passes = pcmk__str_in_list(rsc_printable_id(rsc), only_rsc, pcmk__str_star_matches) ||
(strstr(rsc->id, ":") != NULL && pcmk__str_in_list(rsc->id, only_rsc, pcmk__str_star_matches));
gboolean active = rsc->private->fns->active(rsc, TRUE);
gboolean partially_active = rsc->private->fns->active(rsc, FALSE);
desc = pe__resource_description(rsc, show_opts);
if (rsc->private->fns->is_filtered(rsc, only_rsc, TRUE)) {
return rc;
}
if (pcmk_is_set(show_opts, pcmk_show_brief)) {
GList *rscs = pe__filter_rsc_list(rsc->children, only_rsc);
if (rscs != NULL) {
group_header(out, &rc, rsc, !active && partially_active ? inactive_resources(rsc) : 0,
pcmk_is_set(show_opts, pcmk_show_inactive_rscs), desc);
pe__rscs_brief_output(out, rscs, show_opts | pcmk_show_inactive_rscs);
rc = pcmk_rc_ok;
g_list_free(rscs);
}
} else {
for (GList *gIter = rsc->children; gIter; gIter = gIter->next) {
pcmk_resource_t *child_rsc = (pcmk_resource_t *) gIter->data;
if (skip_child_rsc(rsc, child_rsc, parent_passes, only_rsc, show_opts)) {
continue;
}
group_header(out, &rc, rsc, !active && partially_active ? inactive_resources(rsc) : 0,
pcmk_is_set(show_opts, pcmk_show_inactive_rscs), desc);
- out->message(out, (const char *) child_rsc->xml->name, show_opts,
- child_rsc, only_node, only_rsc);
+ out->message(out, (const char *) child_rsc->private->xml->name,
+ show_opts, child_rsc, only_node, only_rsc);
}
}
PCMK__OUTPUT_LIST_FOOTER(out, rc);
return rc;
}
void
group_free(pcmk_resource_t * rsc)
{
CRM_CHECK(rsc != NULL, return);
pcmk__rsc_trace(rsc, "Freeing %s", rsc->id);
for (GList *gIter = rsc->children; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *child_rsc = (pcmk_resource_t *) gIter->data;
CRM_ASSERT(child_rsc);
pcmk__rsc_trace(child_rsc, "Freeing child %s", child_rsc->id);
child_rsc->private->fns->free(child_rsc);
}
pcmk__rsc_trace(rsc, "Freeing child list");
g_list_free(rsc->children);
common_free(rsc);
}
enum rsc_role_e
group_resource_state(const pcmk_resource_t * rsc, gboolean current)
{
enum rsc_role_e group_role = pcmk_role_unknown;
GList *gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *child_rsc = (pcmk_resource_t *) gIter->data;
enum rsc_role_e role = child_rsc->private->fns->state(child_rsc,
current);
if (role > group_role) {
group_role = role;
}
}
pcmk__rsc_trace(rsc, "%s role: %s", rsc->id, pcmk_role_text(group_role));
return group_role;
}
gboolean
pe__group_is_filtered(const pcmk_resource_t *rsc, GList *only_rsc,
gboolean check_parent)
{
gboolean passes = FALSE;
if (check_parent
&& pcmk__str_in_list(rsc_printable_id(pe__const_top_resource(rsc,
false)),
only_rsc, pcmk__str_star_matches)) {
passes = TRUE;
} else if (pcmk__str_in_list(rsc_printable_id(rsc), only_rsc, pcmk__str_star_matches)) {
passes = TRUE;
} else if (strstr(rsc->id, ":") != NULL && pcmk__str_in_list(rsc->id, only_rsc, pcmk__str_star_matches)) {
passes = TRUE;
} else {
for (const GList *iter = rsc->children;
iter != NULL; iter = iter->next) {
const pcmk_resource_t *child_rsc = iter->data;
if (!child_rsc->private->fns->is_filtered(child_rsc, only_rsc,
FALSE)) {
passes = TRUE;
break;
}
}
}
return !passes;
}
/*!
* \internal
* \brief Get maximum group resource instances per node
*
* \param[in] rsc Group resource to check
*
* \return Maximum number of \p rsc instances that can be active on one node
*/
unsigned int
pe__group_max_per_node(const pcmk_resource_t *rsc)
{
CRM_ASSERT(pcmk__is_group(rsc));
return 1U;
}
diff --git a/lib/pengine/native.c b/lib/pengine/native.c
index 881ff6224a..6eb4af8cfa 100644
--- a/lib/pengine/native.c
+++ b/lib/pengine/native.c
@@ -1,1170 +1,1172 @@
/*
* Copyright 2004-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU Lesser General Public License
* version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <stdint.h>
#include <crm/common/output.h>
#include <crm/pengine/rules.h>
#include <crm/pengine/status.h>
#include <crm/pengine/complex.h>
#include <crm/pengine/internal.h>
#include <crm/common/xml.h>
#include <pe_status_private.h>
#ifdef PCMK__COMPAT_2_0
#define PROVIDER_SEP "::"
#else
#define PROVIDER_SEP ":"
#endif
/*!
* \internal
* \brief Check whether a resource is active on multiple nodes
*/
static bool
is_multiply_active(const pcmk_resource_t *rsc)
{
unsigned int count = 0;
if (pcmk__is_primitive(rsc)) {
pe__find_active_requires(rsc, &count);
}
return count > 1;
}
static void
native_priority_to_node(pcmk_resource_t *rsc, pcmk_node_t *node,
gboolean failed)
{
int priority = 0;
if ((rsc->priority == 0) || (failed == TRUE)) {
return;
}
if (rsc->role == pcmk_role_promoted) {
// Promoted instance takes base priority + 1
priority = rsc->priority + 1;
} else {
priority = rsc->priority;
}
node->details->priority += priority;
pcmk__rsc_trace(rsc, "%s now has priority %d with %s'%s' (priority: %d%s)",
pcmk__node_name(node), node->details->priority,
(rsc->role == pcmk_role_promoted)? "promoted " : "",
rsc->id, rsc->priority,
(rsc->role == pcmk_role_promoted)? " + 1" : "");
/* Priority of a resource running on a guest node is added to the cluster
* node as well. */
if (node->details->remote_rsc
&& node->details->remote_rsc->container) {
GList *gIter = node->details->remote_rsc->container->running_on;
for (; gIter != NULL; gIter = gIter->next) {
pcmk_node_t *a_node = gIter->data;
a_node->details->priority += priority;
pcmk__rsc_trace(rsc,
"%s now has priority %d with %s'%s' "
"(priority: %d%s) from guest node %s",
pcmk__node_name(a_node), a_node->details->priority,
(rsc->role == pcmk_role_promoted)? "promoted " : "",
rsc->id, rsc->priority,
(rsc->role == pcmk_role_promoted)? " + 1" : "",
pcmk__node_name(node));
}
}
}
void
native_add_running(pcmk_resource_t *rsc, pcmk_node_t *node,
pcmk_scheduler_t *scheduler, gboolean failed)
{
GList *gIter = rsc->running_on;
CRM_CHECK(node != NULL, return);
for (; gIter != NULL; gIter = gIter->next) {
pcmk_node_t *a_node = (pcmk_node_t *) gIter->data;
CRM_CHECK(a_node != NULL, return);
if (pcmk__str_eq(a_node->details->id, node->details->id, pcmk__str_casei)) {
return;
}
}
pcmk__rsc_trace(rsc, "Adding %s to %s %s", rsc->id, pcmk__node_name(node),
pcmk_is_set(rsc->flags, pcmk_rsc_managed)? "" : "(unmanaged)");
rsc->running_on = g_list_append(rsc->running_on, node);
if (pcmk__is_primitive(rsc)) {
node->details->running_rsc = g_list_append(node->details->running_rsc, rsc);
native_priority_to_node(rsc, node, failed);
if (node->details->maintenance) {
pcmk__clear_rsc_flags(rsc, pcmk_rsc_managed);
pcmk__set_rsc_flags(rsc, pcmk_rsc_maintenance);
}
}
if (!pcmk_is_set(rsc->flags, pcmk_rsc_managed)) {
pcmk_resource_t *p = rsc->parent;
pcmk__rsc_info(rsc, "resource %s isn't managed", rsc->id);
resource_location(rsc, node, PCMK_SCORE_INFINITY,
"not_managed_default", scheduler);
while(p && node->details->online) {
/* add without the additional location constraint */
p->running_on = g_list_append(p->running_on, node);
p = p->parent;
}
return;
}
if (is_multiply_active(rsc)) {
switch (rsc->recovery_type) {
case pcmk_multiply_active_stop:
{
GHashTableIter gIter;
pcmk_node_t *local_node = NULL;
/* make sure it doesn't come up again */
if (rsc->allowed_nodes != NULL) {
g_hash_table_destroy(rsc->allowed_nodes);
}
rsc->allowed_nodes = pe__node_list2table(scheduler->nodes);
g_hash_table_iter_init(&gIter, rsc->allowed_nodes);
while (g_hash_table_iter_next(&gIter, NULL, (void **)&local_node)) {
local_node->weight = -PCMK_SCORE_INFINITY;
}
}
break;
case pcmk_multiply_active_block:
pcmk__clear_rsc_flags(rsc, pcmk_rsc_managed);
pcmk__set_rsc_flags(rsc, pcmk_rsc_blocked);
/* If the resource belongs to a group or bundle configured with
* PCMK_META_MULTIPLE_ACTIVE=PCMK_VALUE_BLOCK, block the entire
* entity.
*/
if ((pcmk__is_group(rsc->parent)
|| pcmk__is_bundle(rsc->parent))
&& (rsc->parent->recovery_type == pcmk_multiply_active_block)) {
GList *gIter = rsc->parent->children;
for (; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *child = gIter->data;
pcmk__clear_rsc_flags(child, pcmk_rsc_managed);
pcmk__set_rsc_flags(child, pcmk_rsc_blocked);
}
}
break;
// pcmk_multiply_active_restart, pcmk_multiply_active_unexpected
default:
/* The scheduler will do the right thing because the relevant
* variables and flags are set when unpacking the history.
*/
break;
}
crm_debug("%s is active on multiple nodes including %s: %s",
rsc->id, pcmk__node_name(node),
pcmk__multiply_active_text(rsc->recovery_type));
} else {
pcmk__rsc_trace(rsc, "Resource %s is active on %s",
rsc->id, pcmk__node_name(node));
}
if (rsc->parent != NULL) {
native_add_running(rsc->parent, node, scheduler, FALSE);
}
}
static void
recursive_clear_unique(pcmk_resource_t *rsc, gpointer user_data)
{
pcmk__clear_rsc_flags(rsc, pcmk_rsc_unique);
pcmk__insert_meta(rsc, PCMK_META_GLOBALLY_UNIQUE, PCMK_VALUE_FALSE);
g_list_foreach(rsc->children, (GFunc) recursive_clear_unique, NULL);
}
gboolean
native_unpack(pcmk_resource_t *rsc, pcmk_scheduler_t *scheduler)
{
pcmk_resource_t *parent = uber_parent(rsc);
- const char *standard = crm_element_value(rsc->xml, PCMK_XA_CLASS);
+ const char *standard = crm_element_value(rsc->private->xml, PCMK_XA_CLASS);
uint32_t ra_caps = pcmk_get_ra_caps(standard);
pcmk__rsc_trace(rsc, "Processing resource %s...", rsc->id);
// Only some agent standards support unique and promotable clones
if (!pcmk_is_set(ra_caps, pcmk_ra_cap_unique)
&& pcmk_is_set(rsc->flags, pcmk_rsc_unique)
&& pcmk__is_clone(parent)) {
/* @COMPAT We should probably reject this situation as an error (as we
* do for promotable below) rather than warn and convert, but that would
* be a backward-incompatible change that we should probably do with a
* transform at a schema major version bump.
*/
pe__force_anon(standard, parent, rsc->id, scheduler);
/* Clear PCMK_META_GLOBALLY_UNIQUE on the parent and all its descendants
* unpacked so far (clearing the parent should make any future children
* unpacking correct). We have to clear this resource explicitly because
* it isn't hooked into the parent's children yet.
*/
recursive_clear_unique(parent, NULL);
recursive_clear_unique(rsc, NULL);
}
if (!pcmk_is_set(ra_caps, pcmk_ra_cap_promotable)
&& pcmk_is_set(parent->flags, pcmk_rsc_promotable)) {
pcmk__config_err("Resource %s is of type %s and therefore "
"cannot be used as a promotable clone resource",
rsc->id, standard);
return FALSE;
}
return TRUE;
}
static bool
rsc_is_on_node(pcmk_resource_t *rsc, const pcmk_node_t *node, int flags)
{
pcmk__rsc_trace(rsc, "Checking whether %s is on %s",
rsc->id, pcmk__node_name(node));
if (pcmk_is_set(flags, pcmk_rsc_match_current_node)
&& (rsc->running_on != NULL)) {
for (GList *iter = rsc->running_on; iter; iter = iter->next) {
if (pcmk__same_node((pcmk_node_t *) iter->data, node)) {
return true;
}
}
} else if (pcmk_is_set(flags, pe_find_inactive) // @COMPAT deprecated
&& (rsc->running_on == NULL)) {
return true;
} else if (!pcmk_is_set(flags, pcmk_rsc_match_current_node)
&& (rsc->allocated_to != NULL)
&& pcmk__same_node(rsc->allocated_to, node)) {
return true;
}
return false;
}
pcmk_resource_t *
native_find_rsc(pcmk_resource_t *rsc, const char *id,
const pcmk_node_t *on_node, int flags)
{
bool match = false;
pcmk_resource_t *result = NULL;
CRM_CHECK(id && rsc && rsc->id, return NULL);
if (pcmk_is_set(flags, pcmk_rsc_match_clone_only)) {
- const char *rid = pcmk__xe_id(rsc->xml);
+ const char *rid = pcmk__xe_id(rsc->private->xml);
if (!pcmk__is_clone(pe__const_top_resource(rsc, false))) {
match = false;
} else if (!strcmp(id, rsc->id) || pcmk__str_eq(id, rid, pcmk__str_none)) {
match = true;
}
} else if (!strcmp(id, rsc->id)) {
match = true;
} else if (pcmk_is_set(flags, pcmk_rsc_match_history)
&& pcmk__str_eq(rsc->private->history_id, id, pcmk__str_none)) {
match = true;
} else if (pcmk_is_set(flags, pcmk_rsc_match_basename)
|| (pcmk_is_set(flags, pcmk_rsc_match_anon_basename)
&& !pcmk_is_set(rsc->flags, pcmk_rsc_unique))) {
match = pe_base_name_eq(rsc, id);
}
if (match && on_node) {
if (!rsc_is_on_node(rsc, on_node, flags)) {
match = false;
}
}
if (match) {
return rsc;
}
for (GList *gIter = rsc->children; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *child = (pcmk_resource_t *) gIter->data;
result = rsc->private->fns->find_rsc(child, id, on_node, flags);
if (result) {
return result;
}
}
return NULL;
}
// create is ignored
char *
native_parameter(pcmk_resource_t *rsc, pcmk_node_t *node, gboolean create,
const char *name, pcmk_scheduler_t *scheduler)
{
const char *value = NULL;
GHashTable *params = NULL;
CRM_CHECK(rsc != NULL, return NULL);
CRM_CHECK(name != NULL && strlen(name) != 0, return NULL);
pcmk__rsc_trace(rsc, "Looking up %s in %s", name, rsc->id);
params = pe_rsc_params(rsc, node, scheduler);
value = g_hash_table_lookup(params, name);
if (value == NULL) {
/* try meta attributes instead */
value = g_hash_table_lookup(rsc->meta, name);
}
return pcmk__str_copy(value);
}
gboolean
native_active(pcmk_resource_t * rsc, gboolean all)
{
for (GList *gIter = rsc->running_on; gIter != NULL; gIter = gIter->next) {
pcmk_node_t *a_node = (pcmk_node_t *) gIter->data;
if (a_node->details->unclean) {
pcmk__rsc_trace(rsc, "Resource %s: %s is unclean",
rsc->id, pcmk__node_name(a_node));
return TRUE;
} else if (!a_node->details->online
&& pcmk_is_set(rsc->flags, pcmk_rsc_managed)) {
pcmk__rsc_trace(rsc, "Resource %s: %s is offline",
rsc->id, pcmk__node_name(a_node));
} else {
pcmk__rsc_trace(rsc, "Resource %s active on %s",
rsc->id, pcmk__node_name(a_node));
return TRUE;
}
}
return FALSE;
}
struct print_data_s {
long options;
void *print_data;
};
static const char *
native_pending_state(const pcmk_resource_t *rsc)
{
const char *pending_state = NULL;
if (pcmk__str_eq(rsc->pending_task, PCMK_ACTION_START, pcmk__str_casei)) {
pending_state = "Starting";
} else if (pcmk__str_eq(rsc->pending_task, PCMK_ACTION_STOP,
pcmk__str_casei)) {
pending_state = "Stopping";
} else if (pcmk__str_eq(rsc->pending_task, PCMK_ACTION_MIGRATE_TO,
pcmk__str_casei)) {
pending_state = "Migrating";
} else if (pcmk__str_eq(rsc->pending_task, PCMK_ACTION_MIGRATE_FROM,
pcmk__str_casei)) {
/* Work might be done in here. */
pending_state = "Migrating";
} else if (pcmk__str_eq(rsc->pending_task, PCMK_ACTION_PROMOTE,
pcmk__str_casei)) {
pending_state = "Promoting";
} else if (pcmk__str_eq(rsc->pending_task, PCMK_ACTION_DEMOTE,
pcmk__str_casei)) {
pending_state = "Demoting";
}
return pending_state;
}
static const char *
native_pending_task(const pcmk_resource_t *rsc)
{
const char *pending_task = NULL;
if (pcmk__str_eq(rsc->pending_task, PCMK_ACTION_MONITOR, pcmk__str_casei)) {
pending_task = "Monitoring";
/* Pending probes are not printed, even if pending
* operations are requested. If someone ever requests that
* behavior, uncomment this and the corresponding part of
* unpack.c:unpack_rsc_op().
*/
/*
} else if (pcmk__str_eq(rsc->pending_task, "probe", pcmk__str_casei)) {
pending_task = "Checking";
*/
}
return pending_task;
}
static enum rsc_role_e
native_displayable_role(const pcmk_resource_t *rsc)
{
enum rsc_role_e role = rsc->role;
if ((role == pcmk_role_started)
&& pcmk_is_set(pe__const_top_resource(rsc, false)->flags,
pcmk_rsc_promotable)) {
role = pcmk_role_unpromoted;
}
return role;
}
static const char *
native_displayable_state(const pcmk_resource_t *rsc, bool print_pending)
{
const char *rsc_state = NULL;
if (print_pending) {
rsc_state = native_pending_state(rsc);
}
if (rsc_state == NULL) {
rsc_state = pcmk_role_text(native_displayable_role(rsc));
}
return rsc_state;
}
// Append a flag to resource description string's flags list
static bool
add_output_flag(GString *s, const char *flag_desc, bool have_flags)
{
g_string_append(s, (have_flags? ", " : " ("));
g_string_append(s, flag_desc);
return true;
}
// Append a node name to resource description string's node list
static bool
add_output_node(GString *s, const char *node, bool have_nodes)
{
g_string_append(s, (have_nodes? " " : " [ "));
g_string_append(s, node);
return true;
}
/*!
* \internal
* \brief Create a string description of a resource
*
* \param[in] rsc Resource to describe
* \param[in] name Desired identifier for the resource
* \param[in] node If not NULL, node that resource is "on"
* \param[in] show_opts Bitmask of pcmk_show_opt_e.
* \param[in] target_role Resource's target role
* \param[in] show_nodes Whether to display nodes when multiply active
*
* \return Newly allocated string description of resource
* \note Caller must free the result with g_free().
*/
gchar *
pcmk__native_output_string(const pcmk_resource_t *rsc, const char *name,
const pcmk_node_t *node, uint32_t show_opts,
const char *target_role, bool show_nodes)
{
- const char *class = crm_element_value(rsc->xml, PCMK_XA_CLASS);
+ const char *class = crm_element_value(rsc->private->xml, PCMK_XA_CLASS);
const char *provider = NULL;
- const char *kind = crm_element_value(rsc->xml, PCMK_XA_TYPE);
+ const char *kind = crm_element_value(rsc->private->xml, PCMK_XA_TYPE);
GString *outstr = NULL;
bool have_flags = false;
if (!pcmk__is_primitive(rsc)) {
return NULL;
}
CRM_CHECK(name != NULL, name = "unknown");
CRM_CHECK(kind != NULL, kind = "unknown");
CRM_CHECK(class != NULL, class = "unknown");
if (pcmk_is_set(pcmk_get_ra_caps(class), pcmk_ra_cap_provider)) {
- provider = crm_element_value(rsc->xml, PCMK_XA_PROVIDER);
+ provider = crm_element_value(rsc->private->xml, PCMK_XA_PROVIDER);
}
if ((node == NULL) && (rsc->lock_node != NULL)) {
node = rsc->lock_node;
}
if (pcmk_any_flags_set(show_opts, pcmk_show_rsc_only)
|| pcmk__list_of_multiple(rsc->running_on)) {
node = NULL;
}
outstr = g_string_sized_new(128);
// Resource name and agent
pcmk__g_strcat(outstr,
name, "\t(", class, ((provider == NULL)? "" : PROVIDER_SEP),
pcmk__s(provider, ""), ":", kind, "):\t", NULL);
// State on node
if (pcmk_is_set(rsc->flags, pcmk_rsc_removed)) {
g_string_append(outstr, " ORPHANED");
}
if (pcmk_is_set(rsc->flags, pcmk_rsc_failed)) {
enum rsc_role_e role = native_displayable_role(rsc);
g_string_append(outstr, " FAILED");
if (role > pcmk_role_unpromoted) {
pcmk__add_word(&outstr, 0, pcmk_role_text(role));
}
} else {
bool show_pending = pcmk_is_set(show_opts, pcmk_show_pending);
pcmk__add_word(&outstr, 0, native_displayable_state(rsc, show_pending));
}
if (node) {
pcmk__add_word(&outstr, 0, pcmk__node_name(node));
}
// Failed probe operation
if (native_displayable_role(rsc) == pcmk_role_stopped) {
xmlNode *probe_op = pe__failed_probe_for_rsc(rsc, node ? node->details->uname : NULL);
if (probe_op != NULL) {
int rc;
pcmk__scan_min_int(crm_element_value(probe_op, PCMK__XA_RC_CODE),
&rc, 0);
pcmk__g_strcat(outstr, " (", services_ocf_exitcode_str(rc), ") ",
NULL);
}
}
// Flags, as: (<flag> [...])
if (node && !(node->details->online) && node->details->unclean) {
have_flags = add_output_flag(outstr, "UNCLEAN", have_flags);
}
if (node && (node == rsc->lock_node)) {
have_flags = add_output_flag(outstr, "LOCKED", have_flags);
}
if (pcmk_is_set(show_opts, pcmk_show_pending)) {
const char *pending_task = native_pending_task(rsc);
if (pending_task) {
have_flags = add_output_flag(outstr, pending_task, have_flags);
}
}
if (target_role != NULL) {
switch (pcmk_parse_role(target_role)) {
case pcmk_role_unknown:
pcmk__config_err("Invalid " PCMK_META_TARGET_ROLE
" %s for resource %s", target_role, rsc->id);
break;
case pcmk_role_stopped:
have_flags = add_output_flag(outstr, "disabled", have_flags);
break;
case pcmk_role_unpromoted:
if (pcmk_is_set(pe__const_top_resource(rsc, false)->flags,
pcmk_rsc_promotable)) {
have_flags = add_output_flag(outstr,
PCMK_META_TARGET_ROLE ":",
have_flags);
g_string_append(outstr, target_role);
}
break;
default:
/* Only show target role if it limits our abilities (i.e. ignore
* Started, as it is the default anyways, and doesn't prevent
* the resource from becoming promoted).
*/
break;
}
}
// Blocked or maintenance implies unmanaged
if (pcmk_any_flags_set(rsc->flags,
pcmk_rsc_blocked|pcmk_rsc_maintenance)) {
if (pcmk_is_set(rsc->flags, pcmk_rsc_blocked)) {
have_flags = add_output_flag(outstr, "blocked", have_flags);
} else if (pcmk_is_set(rsc->flags, pcmk_rsc_maintenance)) {
have_flags = add_output_flag(outstr, "maintenance", have_flags);
}
} else if (!pcmk_is_set(rsc->flags, pcmk_rsc_managed)) {
have_flags = add_output_flag(outstr, "unmanaged", have_flags);
}
if (pcmk_is_set(rsc->flags, pcmk_rsc_ignore_failure)) {
have_flags = add_output_flag(outstr, "failure ignored", have_flags);
}
if (have_flags) {
g_string_append_c(outstr, ')');
}
// User-supplied description
if (pcmk_any_flags_set(show_opts, pcmk_show_rsc_only|pcmk_show_description)
|| pcmk__list_of_multiple(rsc->running_on)) {
- const char *desc = crm_element_value(rsc->xml, PCMK_XA_DESCRIPTION);
+ const char *desc = crm_element_value(rsc->private->xml,
+ PCMK_XA_DESCRIPTION);
if (desc) {
g_string_append(outstr, " (");
g_string_append(outstr, desc);
g_string_append(outstr, ")");
}
}
if (show_nodes && !pcmk_is_set(show_opts, pcmk_show_rsc_only)
&& pcmk__list_of_multiple(rsc->running_on)) {
bool have_nodes = false;
for (GList *iter = rsc->running_on; iter != NULL; iter = iter->next) {
pcmk_node_t *n = (pcmk_node_t *) iter->data;
have_nodes = add_output_node(outstr, n->details->uname, have_nodes);
}
if (have_nodes) {
g_string_append(outstr, " ]");
}
}
return g_string_free(outstr, FALSE);
}
int
pe__common_output_html(pcmk__output_t *out, const pcmk_resource_t *rsc,
const char *name, const pcmk_node_t *node,
uint32_t show_opts)
{
- const char *kind = crm_element_value(rsc->xml, PCMK_XA_TYPE);
+ const char *kind = crm_element_value(rsc->private->xml, PCMK_XA_TYPE);
const char *target_role = NULL;
const char *cl = NULL;
xmlNode *child = NULL;
gchar *content = NULL;
CRM_ASSERT((kind != NULL) && pcmk__is_primitive(rsc));
if (rsc->meta) {
const char *is_internal = g_hash_table_lookup(rsc->meta,
PCMK__META_INTERNAL_RSC);
if (crm_is_true(is_internal)
&& !pcmk_is_set(show_opts, pcmk_show_implicit_rscs)) {
crm_trace("skipping print of internal resource %s", rsc->id);
return pcmk_rc_no_output;
}
target_role = g_hash_table_lookup(rsc->meta, PCMK_META_TARGET_ROLE);
}
if (!pcmk_is_set(rsc->flags, pcmk_rsc_managed)) {
cl = PCMK__VALUE_RSC_MANAGED;
} else if (pcmk_is_set(rsc->flags, pcmk_rsc_failed)) {
cl = PCMK__VALUE_RSC_FAILED;
} else if (pcmk__is_primitive(rsc) && (rsc->running_on == NULL)) {
cl = PCMK__VALUE_RSC_FAILED;
} else if (pcmk__list_of_multiple(rsc->running_on)) {
cl = PCMK__VALUE_RSC_MULTIPLE;
} else if (pcmk_is_set(rsc->flags, pcmk_rsc_ignore_failure)) {
cl = PCMK__VALUE_RSC_FAILURE_IGNORED;
} else {
cl = PCMK__VALUE_RSC_OK;
}
child = pcmk__output_create_html_node(out, "li", NULL, NULL, NULL);
child = pcmk__html_create(child, PCMK__XE_SPAN, NULL, cl);
content = pcmk__native_output_string(rsc, name, node, show_opts,
target_role, true);
pcmk__xe_set_content(child, "%s", content);
g_free(content);
return pcmk_rc_ok;
}
int
pe__common_output_text(pcmk__output_t *out, const pcmk_resource_t *rsc,
const char *name, const pcmk_node_t *node,
uint32_t show_opts)
{
const char *target_role = NULL;
CRM_ASSERT(pcmk__is_primitive(rsc));
if (rsc->meta) {
const char *is_internal = g_hash_table_lookup(rsc->meta,
PCMK__META_INTERNAL_RSC);
if (crm_is_true(is_internal)
&& !pcmk_is_set(show_opts, pcmk_show_implicit_rscs)) {
crm_trace("skipping print of internal resource %s", rsc->id);
return pcmk_rc_no_output;
}
target_role = g_hash_table_lookup(rsc->meta, PCMK_META_TARGET_ROLE);
}
{
gchar *s = pcmk__native_output_string(rsc, name, node, show_opts,
target_role, true);
out->list_item(out, NULL, "%s", s);
g_free(s);
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("primitive", "uint32_t", "pcmk_resource_t *", "GList *",
"GList *")
int
pe__resource_xml(pcmk__output_t *out, va_list args)
{
uint32_t show_opts = va_arg(args, uint32_t);
pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *);
GList *only_node G_GNUC_UNUSED = va_arg(args, GList *);
GList *only_rsc = va_arg(args, GList *);
int rc = pcmk_rc_no_output;
bool print_pending = pcmk_is_set(show_opts, pcmk_show_pending);
- const char *class = crm_element_value(rsc->xml, PCMK_XA_CLASS);
- const char *prov = crm_element_value(rsc->xml, PCMK_XA_PROVIDER);
+ const char *class = crm_element_value(rsc->private->xml, PCMK_XA_CLASS);
+ const char *prov = crm_element_value(rsc->private->xml, PCMK_XA_PROVIDER);
char ra_name[LINE_MAX];
const char *rsc_state = native_displayable_state(rsc, print_pending);
const char *target_role = NULL;
const char *active = pcmk__btoa(rsc->private->fns->active(rsc, TRUE));
const char *orphaned = pcmk__flag_text(rsc->flags, pcmk_rsc_removed);
const char *blocked = pcmk__flag_text(rsc->flags, pcmk_rsc_blocked);
const char *maintenance = pcmk__flag_text(rsc->flags, pcmk_rsc_maintenance);
const char *managed = pcmk__flag_text(rsc->flags, pcmk_rsc_managed);
const char *failed = pcmk__flag_text(rsc->flags, pcmk_rsc_failed);
const char *ignored = pcmk__flag_text(rsc->flags, pcmk_rsc_ignore_failure);
char *nodes_running_on = NULL;
const char *pending = print_pending? native_pending_task(rsc) : NULL;
const char *locked_to = NULL;
const char *desc = pe__resource_description(rsc, show_opts);
CRM_ASSERT(pcmk__is_primitive(rsc));
if (rsc->private->fns->is_filtered(rsc, only_rsc, TRUE)) {
return pcmk_rc_no_output;
}
// Resource information
snprintf(ra_name, LINE_MAX, "%s%s%s:%s", class,
((prov == NULL)? "" : PROVIDER_SEP), ((prov == NULL)? "" : prov),
- crm_element_value(rsc->xml, PCMK_XA_TYPE));
+ crm_element_value(rsc->private->xml, PCMK_XA_TYPE));
if (rsc->meta != NULL) {
target_role = g_hash_table_lookup(rsc->meta, PCMK_META_TARGET_ROLE);
}
nodes_running_on = pcmk__itoa(g_list_length(rsc->running_on));
if (rsc->lock_node != NULL) {
locked_to = rsc->lock_node->details->uname;
}
rc = pe__name_and_nvpairs_xml(out, true, PCMK_XE_RESOURCE,
PCMK_XA_ID, rsc_printable_id(rsc),
PCMK_XA_RESOURCE_AGENT, ra_name,
PCMK_XA_ROLE, rsc_state,
PCMK_XA_TARGET_ROLE, target_role,
PCMK_XA_ACTIVE, active,
PCMK_XA_ORPHANED, orphaned,
PCMK_XA_BLOCKED, blocked,
PCMK_XA_MAINTENANCE, maintenance,
PCMK_XA_MANAGED, managed,
PCMK_XA_FAILED, failed,
PCMK_XA_FAILURE_IGNORED, ignored,
PCMK_XA_NODES_RUNNING_ON, nodes_running_on,
PCMK_XA_PENDING, pending,
PCMK_XA_LOCKED_TO, locked_to,
PCMK_XA_DESCRIPTION, desc,
NULL);
free(nodes_running_on);
CRM_ASSERT(rc == pcmk_rc_ok);
if (rsc->running_on != NULL) {
GList *gIter = rsc->running_on;
for (; gIter != NULL; gIter = gIter->next) {
pcmk_node_t *node = (pcmk_node_t *) gIter->data;
const char *cached = pcmk__btoa(node->details->online);
rc = pe__name_and_nvpairs_xml(out, false, PCMK_XE_NODE,
PCMK_XA_NAME, node->details->uname,
PCMK_XA_ID, node->details->id,
PCMK_XA_CACHED, cached,
NULL);
CRM_ASSERT(rc == pcmk_rc_ok);
}
}
pcmk__output_xml_pop_parent(out);
return rc;
}
PCMK__OUTPUT_ARGS("primitive", "uint32_t", "pcmk_resource_t *", "GList *",
"GList *")
int
pe__resource_html(pcmk__output_t *out, va_list args)
{
uint32_t show_opts = va_arg(args, uint32_t);
pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *);
GList *only_node G_GNUC_UNUSED = va_arg(args, GList *);
GList *only_rsc = va_arg(args, GList *);
const pcmk_node_t *node = pcmk__current_node(rsc);
if (rsc->private->fns->is_filtered(rsc, only_rsc, TRUE)) {
return pcmk_rc_no_output;
}
CRM_ASSERT(pcmk__is_primitive(rsc));
if (node == NULL) {
// This is set only if a non-probe action is pending on this node
node = rsc->pending_node;
}
return pe__common_output_html(out, rsc, rsc_printable_id(rsc), node, show_opts);
}
PCMK__OUTPUT_ARGS("primitive", "uint32_t", "pcmk_resource_t *", "GList *",
"GList *")
int
pe__resource_text(pcmk__output_t *out, va_list args)
{
uint32_t show_opts = va_arg(args, uint32_t);
pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *);
GList *only_node G_GNUC_UNUSED = va_arg(args, GList *);
GList *only_rsc = va_arg(args, GList *);
const pcmk_node_t *node = pcmk__current_node(rsc);
CRM_ASSERT(pcmk__is_primitive(rsc));
if (rsc->private->fns->is_filtered(rsc, only_rsc, TRUE)) {
return pcmk_rc_no_output;
}
if (node == NULL) {
// This is set only if a non-probe action is pending on this node
node = rsc->pending_node;
}
return pe__common_output_text(out, rsc, rsc_printable_id(rsc), node, show_opts);
}
void
native_free(pcmk_resource_t * rsc)
{
pcmk__rsc_trace(rsc, "Freeing resource action list (not the data)");
common_free(rsc);
}
enum rsc_role_e
native_resource_state(const pcmk_resource_t * rsc, gboolean current)
{
enum rsc_role_e role = rsc->next_role;
if (current) {
role = rsc->role;
}
pcmk__rsc_trace(rsc, "%s state: %s", rsc->id, pcmk_role_text(role));
return role;
}
/*!
* \internal
* \brief List nodes where a resource (or any of its children) is
*
* \param[in] rsc Resource to check
* \param[out] list List to add result to
* \param[in] current 0 = where allocated, 1 = where running,
* 2 = where running or pending
*
* \return If list contains only one node, that node, or NULL otherwise
*/
pcmk_node_t *
native_location(const pcmk_resource_t *rsc, GList **list, int current)
{
// @COMPAT: Accept a pcmk__rsc_node argument instead of int current
pcmk_node_t *one = NULL;
GList *result = NULL;
if (rsc->children) {
GList *gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *child = (pcmk_resource_t *) gIter->data;
child->private->fns->location(child, &result, current);
}
} else if (current) {
if (rsc->running_on) {
result = g_list_copy(rsc->running_on);
}
if ((current == 2) && rsc->pending_node
&& !pe_find_node_id(result, rsc->pending_node->details->id)) {
result = g_list_append(result, rsc->pending_node);
}
} else if (current == FALSE && rsc->allocated_to) {
result = g_list_append(NULL, rsc->allocated_to);
}
if (result && (result->next == NULL)) {
one = result->data;
}
if (list) {
GList *gIter = result;
for (; gIter != NULL; gIter = gIter->next) {
pcmk_node_t *node = (pcmk_node_t *) gIter->data;
if (*list == NULL || pe_find_node_id(*list, node->details->id) == NULL) {
*list = g_list_append(*list, node);
}
}
}
g_list_free(result);
return one;
}
static void
get_rscs_brief(GList *rsc_list, GHashTable * rsc_table, GHashTable * active_table)
{
GList *gIter = rsc_list;
for (; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) gIter->data;
- const char *class = crm_element_value(rsc->xml, PCMK_XA_CLASS);
- const char *kind = crm_element_value(rsc->xml, PCMK_XA_TYPE);
+ const char *class = crm_element_value(rsc->private->xml, PCMK_XA_CLASS);
+ const char *kind = crm_element_value(rsc->private->xml, PCMK_XA_TYPE);
int offset = 0;
char buffer[LINE_MAX];
int *rsc_counter = NULL;
int *active_counter = NULL;
if (!pcmk__is_primitive(rsc)) {
continue;
}
offset += snprintf(buffer + offset, LINE_MAX - offset, "%s", class);
if (pcmk_is_set(pcmk_get_ra_caps(class), pcmk_ra_cap_provider)) {
- const char *prov = crm_element_value(rsc->xml, PCMK_XA_PROVIDER);
+ const char *prov = crm_element_value(rsc->private->xml,
+ PCMK_XA_PROVIDER);
if (prov != NULL) {
offset += snprintf(buffer + offset, LINE_MAX - offset,
PROVIDER_SEP "%s", prov);
}
}
offset += snprintf(buffer + offset, LINE_MAX - offset, ":%s", kind);
CRM_LOG_ASSERT(offset > 0);
if (rsc_table) {
rsc_counter = g_hash_table_lookup(rsc_table, buffer);
if (rsc_counter == NULL) {
rsc_counter = pcmk__assert_alloc(1, sizeof(int));
*rsc_counter = 0;
g_hash_table_insert(rsc_table, strdup(buffer), rsc_counter);
}
(*rsc_counter)++;
}
if (active_table) {
GList *gIter2 = rsc->running_on;
for (; gIter2 != NULL; gIter2 = gIter2->next) {
pcmk_node_t *node = (pcmk_node_t *) gIter2->data;
GHashTable *node_table = NULL;
if (node->details->unclean == FALSE && node->details->online == FALSE &&
pcmk_is_set(rsc->flags, pcmk_rsc_managed)) {
continue;
}
node_table = g_hash_table_lookup(active_table, node->details->uname);
if (node_table == NULL) {
node_table = pcmk__strkey_table(free, free);
g_hash_table_insert(active_table, strdup(node->details->uname), node_table);
}
active_counter = g_hash_table_lookup(node_table, buffer);
if (active_counter == NULL) {
active_counter = pcmk__assert_alloc(1, sizeof(int));
*active_counter = 0;
g_hash_table_insert(node_table, strdup(buffer), active_counter);
}
(*active_counter)++;
}
}
}
}
static void
destroy_node_table(gpointer data)
{
GHashTable *node_table = data;
if (node_table) {
g_hash_table_destroy(node_table);
}
}
int
pe__rscs_brief_output(pcmk__output_t *out, GList *rsc_list, uint32_t show_opts)
{
GHashTable *rsc_table = pcmk__strkey_table(free, free);
GHashTable *active_table = pcmk__strkey_table(free, destroy_node_table);
GList *sorted_rscs;
int rc = pcmk_rc_no_output;
get_rscs_brief(rsc_list, rsc_table, active_table);
/* Make a list of the rsc_table keys so that it can be sorted. This is to make sure
* output order stays consistent between systems.
*/
sorted_rscs = g_hash_table_get_keys(rsc_table);
sorted_rscs = g_list_sort(sorted_rscs, (GCompareFunc) strcmp);
for (GList *gIter = sorted_rscs; gIter; gIter = gIter->next) {
char *type = (char *) gIter->data;
int *rsc_counter = g_hash_table_lookup(rsc_table, type);
GList *sorted_nodes = NULL;
int active_counter_all = 0;
/* Also make a list of the active_table keys so it can be sorted. If there's
* more than one instance of a type of resource running, we need the nodes to
* be sorted to make sure output order stays consistent between systems.
*/
sorted_nodes = g_hash_table_get_keys(active_table);
sorted_nodes = g_list_sort(sorted_nodes, (GCompareFunc) pcmk__numeric_strcasecmp);
for (GList *gIter2 = sorted_nodes; gIter2; gIter2 = gIter2->next) {
char *node_name = (char *) gIter2->data;
GHashTable *node_table = g_hash_table_lookup(active_table, node_name);
int *active_counter = NULL;
if (node_table == NULL) {
continue;
}
active_counter = g_hash_table_lookup(node_table, type);
if (active_counter == NULL || *active_counter == 0) {
continue;
} else {
active_counter_all += *active_counter;
}
if (pcmk_is_set(show_opts, pcmk_show_rsc_only)) {
node_name = NULL;
}
if (pcmk_is_set(show_opts, pcmk_show_inactive_rscs)) {
out->list_item(out, NULL, "%d/%d\t(%s):\tActive %s",
*active_counter,
rsc_counter ? *rsc_counter : 0, type,
(*active_counter > 0) && node_name ? node_name : "");
} else {
out->list_item(out, NULL, "%d\t(%s):\tActive %s",
*active_counter, type,
(*active_counter > 0) && node_name ? node_name : "");
}
rc = pcmk_rc_ok;
}
if (pcmk_is_set(show_opts, pcmk_show_inactive_rscs) && active_counter_all == 0) {
out->list_item(out, NULL, "%d/%d\t(%s):\tActive",
active_counter_all,
rsc_counter ? *rsc_counter : 0, type);
rc = pcmk_rc_ok;
}
if (sorted_nodes) {
g_list_free(sorted_nodes);
}
}
if (rsc_table) {
g_hash_table_destroy(rsc_table);
rsc_table = NULL;
}
if (active_table) {
g_hash_table_destroy(active_table);
active_table = NULL;
}
if (sorted_rscs) {
g_list_free(sorted_rscs);
}
return rc;
}
gboolean
pe__native_is_filtered(const pcmk_resource_t *rsc, GList *only_rsc,
gboolean check_parent)
{
if (pcmk__str_in_list(rsc_printable_id(rsc), only_rsc, pcmk__str_star_matches) ||
pcmk__str_in_list(rsc->id, only_rsc, pcmk__str_star_matches)) {
return FALSE;
} else if (check_parent && rsc->parent) {
const pcmk_resource_t *up = pe__const_top_resource(rsc, true);
return up->private->fns->is_filtered(up, only_rsc, FALSE);
}
return TRUE;
}
/*!
* \internal
* \brief Get maximum primitive resource instances per node
*
* \param[in] rsc Primitive resource to check
*
* \return Maximum number of \p rsc instances that can be active on one node
*/
unsigned int
pe__primitive_max_per_node(const pcmk_resource_t *rsc)
{
CRM_ASSERT(pcmk__is_primitive(rsc));
return 1U;
}
diff --git a/lib/pengine/pe_actions.c b/lib/pengine/pe_actions.c
index 877af57bac..f190fdfc56 100644
--- a/lib/pengine/pe_actions.c
+++ b/lib/pengine/pe_actions.c
@@ -1,1833 +1,1833 @@
/*
* Copyright 2004-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU Lesser General Public License
* version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <glib.h>
#include <stdbool.h>
#include <crm/crm.h>
#include <crm/common/xml.h>
#include <crm/common/scheduler_internal.h>
#include <crm/pengine/internal.h>
#include <crm/common/xml_internal.h>
#include "pe_status_private.h"
static void unpack_operation(pcmk_action_t *action, const xmlNode *xml_obj,
guint interval_ms);
static void
add_singleton(pcmk_scheduler_t *scheduler, pcmk_action_t *action)
{
if (scheduler->singletons == NULL) {
scheduler->singletons = pcmk__strkey_table(NULL, NULL);
}
g_hash_table_insert(scheduler->singletons, action->uuid, action);
}
static pcmk_action_t *
lookup_singleton(pcmk_scheduler_t *scheduler, const char *action_uuid)
{
if (scheduler->singletons == NULL) {
return NULL;
}
return g_hash_table_lookup(scheduler->singletons, action_uuid);
}
/*!
* \internal
* \brief Find an existing action that matches arguments
*
* \param[in] key Action key to match
* \param[in] rsc Resource to match (if any)
* \param[in] node Node to match (if any)
* \param[in] scheduler Scheduler data
*
* \return Existing action that matches arguments (or NULL if none)
*/
static pcmk_action_t *
find_existing_action(const char *key, const pcmk_resource_t *rsc,
const pcmk_node_t *node, const pcmk_scheduler_t *scheduler)
{
GList *matches = NULL;
pcmk_action_t *action = NULL;
/* When rsc is NULL, it would be quicker to check scheduler->singletons,
* but checking all scheduler->actions takes the node into account.
*/
matches = find_actions(((rsc == NULL)? scheduler->actions : rsc->actions),
key, node);
if (matches == NULL) {
return NULL;
}
CRM_LOG_ASSERT(!pcmk__list_of_multiple(matches));
action = matches->data;
g_list_free(matches);
return action;
}
/*!
* \internal
* \brief Find the XML configuration corresponding to a specific action key
*
* \param[in] rsc Resource to find action configuration for
* \param[in] key "RSC_ACTION_INTERVAL" of action to find
* \param[in] include_disabled If false, do not return disabled actions
*
* \return XML configuration of desired action if any, otherwise NULL
*/
static xmlNode *
find_exact_action_config(const pcmk_resource_t *rsc, const char *action_name,
guint interval_ms, bool include_disabled)
{
for (xmlNode *operation = pcmk__xe_first_child(rsc->ops_xml, PCMK_XE_OP,
NULL, NULL);
operation != NULL; operation = pcmk__xe_next_same(operation)) {
bool enabled = false;
const char *config_name = NULL;
const char *interval_spec = NULL;
guint tmp_ms = 0U;
// @TODO This does not consider meta-attributes, rules, defaults, etc.
if (!include_disabled
&& (pcmk__xe_get_bool_attr(operation, PCMK_META_ENABLED,
&enabled) == pcmk_rc_ok) && !enabled) {
continue;
}
interval_spec = crm_element_value(operation, PCMK_META_INTERVAL);
pcmk_parse_interval_spec(interval_spec, &tmp_ms);
if (tmp_ms != interval_ms) {
continue;
}
config_name = crm_element_value(operation, PCMK_XA_NAME);
if (pcmk__str_eq(action_name, config_name, pcmk__str_none)) {
return operation;
}
}
return NULL;
}
/*!
* \internal
* \brief Find the XML configuration of a resource action
*
* \param[in] rsc Resource to find action configuration for
* \param[in] action_name Action name to search for
* \param[in] interval_ms Action interval (in milliseconds) to search for
* \param[in] include_disabled If false, do not return disabled actions
*
* \return XML configuration of desired action if any, otherwise NULL
*/
xmlNode *
pcmk__find_action_config(const pcmk_resource_t *rsc, const char *action_name,
guint interval_ms, bool include_disabled)
{
xmlNode *action_config = NULL;
// Try requested action first
action_config = find_exact_action_config(rsc, action_name, interval_ms,
include_disabled);
// For migrate_to and migrate_from actions, retry with "migrate"
// @TODO This should be either documented or deprecated
if ((action_config == NULL)
&& pcmk__str_any_of(action_name, PCMK_ACTION_MIGRATE_TO,
PCMK_ACTION_MIGRATE_FROM, NULL)) {
action_config = find_exact_action_config(rsc, "migrate", 0,
include_disabled);
}
return action_config;
}
/*!
* \internal
* \brief Create a new action object
*
* \param[in] key Action key
* \param[in] task Action name
* \param[in,out] rsc Resource that action is for (if any)
* \param[in] node Node that action is on (if any)
* \param[in] optional Whether action should be considered optional
* \param[in,out] scheduler Scheduler data
*
* \return Newly allocated action
* \note This function takes ownership of \p key. It is the caller's
* responsibility to free the return value with pe_free_action().
*/
static pcmk_action_t *
new_action(char *key, const char *task, pcmk_resource_t *rsc,
const pcmk_node_t *node, bool optional, pcmk_scheduler_t *scheduler)
{
pcmk_action_t *action = pcmk__assert_alloc(1, sizeof(pcmk_action_t));
action->rsc = rsc;
action->task = pcmk__str_copy(task);
action->uuid = key;
if (node) {
action->node = pe__copy_node(node);
}
if (pcmk__str_eq(task, PCMK_ACTION_LRM_DELETE, pcmk__str_casei)) {
// Resource history deletion for a node can be done on the DC
pcmk__set_action_flags(action, pcmk_action_on_dc);
}
pcmk__set_action_flags(action, pcmk_action_runnable);
if (optional) {
pcmk__set_action_flags(action, pcmk_action_optional);
} else {
pcmk__clear_action_flags(action, pcmk_action_optional);
}
if (rsc == NULL) {
action->meta = pcmk__strkey_table(free, free);
} else {
guint interval_ms = 0;
parse_op_key(key, NULL, NULL, &interval_ms);
action->op_entry = pcmk__find_action_config(rsc, task, interval_ms,
true);
/* If the given key is for one of the many notification pseudo-actions
* (pre_notify_promote, etc.), the actual action name is "notify"
*/
if ((action->op_entry == NULL) && (strstr(key, "_notify_") != NULL)) {
action->op_entry = find_exact_action_config(rsc, PCMK_ACTION_NOTIFY,
0, true);
}
unpack_operation(action, action->op_entry, interval_ms);
}
pcmk__rsc_trace(rsc, "Created %s action %d (%s): %s for %s on %s",
(optional? "optional" : "required"),
scheduler->action_id, key, task,
((rsc == NULL)? "no resource" : rsc->id),
pcmk__node_name(node));
action->id = scheduler->action_id++;
scheduler->actions = g_list_prepend(scheduler->actions, action);
if (rsc == NULL) {
add_singleton(scheduler, action);
} else {
rsc->actions = g_list_prepend(rsc->actions, action);
}
return action;
}
/*!
* \internal
* \brief Unpack a resource's action-specific instance parameters
*
* \param[in] action_xml XML of action's configuration in CIB (if any)
* \param[in,out] node_attrs Table of node attributes (for rule evaluation)
* \param[in,out] scheduler Cluster working set (for rule evaluation)
*
* \return Newly allocated hash table of action-specific instance parameters
*/
GHashTable *
pcmk__unpack_action_rsc_params(const xmlNode *action_xml,
GHashTable *node_attrs,
pcmk_scheduler_t *scheduler)
{
GHashTable *params = pcmk__strkey_table(free, free);
pe_rule_eval_data_t rule_data = {
.node_hash = node_attrs,
.now = scheduler->now,
.match_data = NULL,
.rsc_data = NULL,
.op_data = NULL
};
pe__unpack_dataset_nvpairs(action_xml, PCMK_XE_INSTANCE_ATTRIBUTES,
&rule_data, params, NULL,
FALSE, scheduler);
return params;
}
/*!
* \internal
* \brief Update an action's optional flag
*
* \param[in,out] action Action to update
* \param[in] optional Requested optional status
*/
static void
update_action_optional(pcmk_action_t *action, gboolean optional)
{
// Force a non-recurring action to be optional if its resource is unmanaged
if ((action->rsc != NULL) && (action->node != NULL)
&& !pcmk_is_set(action->flags, pcmk_action_pseudo)
&& !pcmk_is_set(action->rsc->flags, pcmk_rsc_managed)
&& (g_hash_table_lookup(action->meta, PCMK_META_INTERVAL) == NULL)) {
pcmk__rsc_debug(action->rsc,
"%s on %s is optional (%s is unmanaged)",
action->uuid, pcmk__node_name(action->node),
action->rsc->id);
pcmk__set_action_flags(action, pcmk_action_optional);
// We shouldn't clear runnable here because ... something
// Otherwise require the action if requested
} else if (!optional) {
pcmk__clear_action_flags(action, pcmk_action_optional);
}
}
static enum pe_quorum_policy
effective_quorum_policy(pcmk_resource_t *rsc, pcmk_scheduler_t *scheduler)
{
enum pe_quorum_policy policy = scheduler->no_quorum_policy;
if (pcmk_is_set(scheduler->flags, pcmk_sched_quorate)) {
policy = pcmk_no_quorum_ignore;
} else if (scheduler->no_quorum_policy == pcmk_no_quorum_demote) {
switch (rsc->role) {
case pcmk_role_promoted:
case pcmk_role_unpromoted:
if (rsc->next_role > pcmk_role_unpromoted) {
pe__set_next_role(rsc, pcmk_role_unpromoted,
PCMK_OPT_NO_QUORUM_POLICY "=demote");
}
policy = pcmk_no_quorum_ignore;
break;
default:
policy = pcmk_no_quorum_stop;
break;
}
}
return policy;
}
/*!
* \internal
* \brief Update a resource action's runnable flag
*
* \param[in,out] action Action to update
* \param[in,out] scheduler Scheduler data
*
* \note This may also schedule fencing if a stop is unrunnable.
*/
static void
update_resource_action_runnable(pcmk_action_t *action,
pcmk_scheduler_t *scheduler)
{
pcmk_resource_t *rsc = action->rsc;
if (pcmk_is_set(action->flags, pcmk_action_pseudo)) {
return;
}
if (action->node == NULL) {
pcmk__rsc_trace(rsc, "%s is unrunnable (unallocated)", action->uuid);
pcmk__clear_action_flags(action, pcmk_action_runnable);
} else if (!pcmk_is_set(action->flags, pcmk_action_on_dc)
&& !(action->node->details->online)
&& (!pcmk__is_guest_or_bundle_node(action->node)
|| action->node->details->remote_requires_reset)) {
pcmk__clear_action_flags(action, pcmk_action_runnable);
do_crm_log(LOG_WARNING, "%s on %s is unrunnable (node is offline)",
action->uuid, pcmk__node_name(action->node));
if (pcmk_is_set(rsc->flags, pcmk_rsc_managed)
&& pcmk__str_eq(action->task, PCMK_ACTION_STOP, pcmk__str_casei)
&& !(action->node->details->unclean)) {
pe_fence_node(scheduler, action->node, "stop is unrunnable", false);
}
} else if (!pcmk_is_set(action->flags, pcmk_action_on_dc)
&& action->node->details->pending) {
pcmk__clear_action_flags(action, pcmk_action_runnable);
do_crm_log(LOG_WARNING,
"Action %s on %s is unrunnable (node is pending)",
action->uuid, pcmk__node_name(action->node));
} else if (action->needs == pcmk_requires_nothing) {
pe_action_set_reason(action, NULL, TRUE);
if (pcmk__is_guest_or_bundle_node(action->node)
&& !pe_can_fence(scheduler, action->node)) {
/* An action that requires nothing usually does not require any
* fencing in order to be runnable. However, there is an exception:
* such an action cannot be completed if it is on a guest node whose
* host is unclean and cannot be fenced.
*/
pcmk__rsc_debug(rsc,
"%s on %s is unrunnable "
"(node's host cannot be fenced)",
action->uuid, pcmk__node_name(action->node));
pcmk__clear_action_flags(action, pcmk_action_runnable);
} else {
pcmk__rsc_trace(rsc,
"%s on %s does not require fencing or quorum",
action->uuid, pcmk__node_name(action->node));
pcmk__set_action_flags(action, pcmk_action_runnable);
}
} else {
switch (effective_quorum_policy(rsc, scheduler)) {
case pcmk_no_quorum_stop:
pcmk__rsc_debug(rsc, "%s on %s is unrunnable (no quorum)",
action->uuid, pcmk__node_name(action->node));
pcmk__clear_action_flags(action, pcmk_action_runnable);
pe_action_set_reason(action, "no quorum", true);
break;
case pcmk_no_quorum_freeze:
if (!rsc->private->fns->active(rsc, TRUE)
|| (rsc->next_role > rsc->role)) {
pcmk__rsc_debug(rsc, "%s on %s is unrunnable (no quorum)",
action->uuid,
pcmk__node_name(action->node));
pcmk__clear_action_flags(action, pcmk_action_runnable);
pe_action_set_reason(action, "quorum freeze", true);
}
break;
default:
//pe_action_set_reason(action, NULL, TRUE);
pcmk__set_action_flags(action, pcmk_action_runnable);
break;
}
}
}
/*!
* \internal
* \brief Update a resource object's flags for a new action on it
*
* \param[in,out] rsc Resource that action is for (if any)
* \param[in] action New action
*/
static void
update_resource_flags_for_action(pcmk_resource_t *rsc,
const pcmk_action_t *action)
{
/* @COMPAT pcmk_rsc_starting and pcmk_rsc_stopping are deprecated and unused
* within Pacemaker, and will eventually be removed
*/
if (pcmk__str_eq(action->task, PCMK_ACTION_STOP, pcmk__str_casei)) {
pcmk__set_rsc_flags(rsc, pcmk_rsc_stopping);
} else if (pcmk__str_eq(action->task, PCMK_ACTION_START, pcmk__str_casei)) {
if (pcmk_is_set(action->flags, pcmk_action_runnable)) {
pcmk__set_rsc_flags(rsc, pcmk_rsc_starting);
} else {
pcmk__clear_rsc_flags(rsc, pcmk_rsc_starting);
}
}
}
static bool
valid_stop_on_fail(const char *value)
{
return !pcmk__strcase_any_of(value,
PCMK_VALUE_STANDBY, PCMK_VALUE_DEMOTE,
PCMK_VALUE_STOP, NULL);
}
/*!
* \internal
* \brief Validate (and possibly reset) resource action's on_fail meta-attribute
*
* \param[in] rsc Resource that action is for
* \param[in] action_name Action name
* \param[in] action_config Action configuration XML from CIB (if any)
* \param[in,out] meta Table of action meta-attributes
*/
static void
validate_on_fail(const pcmk_resource_t *rsc, const char *action_name,
const xmlNode *action_config, GHashTable *meta)
{
const char *name = NULL;
const char *role = NULL;
const char *interval_spec = NULL;
const char *value = g_hash_table_lookup(meta, PCMK_META_ON_FAIL);
guint interval_ms = 0U;
// Stop actions can only use certain on-fail values
if (pcmk__str_eq(action_name, PCMK_ACTION_STOP, pcmk__str_none)
&& !valid_stop_on_fail(value)) {
pcmk__config_err("Resetting '" PCMK_META_ON_FAIL "' for %s stop "
"action to default value because '%s' is not "
"allowed for stop", rsc->id, value);
g_hash_table_remove(meta, PCMK_META_ON_FAIL);
return;
}
/* Demote actions default on-fail to the on-fail value for the first
* recurring monitor for the promoted role (if any).
*/
if (pcmk__str_eq(action_name, PCMK_ACTION_DEMOTE, pcmk__str_none)
&& (value == NULL)) {
/* @TODO This does not consider promote options set in a meta-attribute
* block (which may have rules that need to be evaluated) rather than
* XML properties.
*/
for (xmlNode *operation = pcmk__xe_first_child(rsc->ops_xml, PCMK_XE_OP,
NULL, NULL);
operation != NULL; operation = pcmk__xe_next_same(operation)) {
bool enabled = false;
const char *promote_on_fail = NULL;
/* We only care about explicit on-fail (if promote uses default, so
* can demote)
*/
promote_on_fail = crm_element_value(operation, PCMK_META_ON_FAIL);
if (promote_on_fail == NULL) {
continue;
}
// We only care about recurring monitors for the promoted role
name = crm_element_value(operation, PCMK_XA_NAME);
role = crm_element_value(operation, PCMK_XA_ROLE);
if (!pcmk__str_eq(name, PCMK_ACTION_MONITOR, pcmk__str_none)
|| !pcmk__strcase_any_of(role, PCMK_ROLE_PROMOTED,
PCMK__ROLE_PROMOTED_LEGACY, NULL)) {
continue;
}
interval_spec = crm_element_value(operation, PCMK_META_INTERVAL);
pcmk_parse_interval_spec(interval_spec, &interval_ms);
if (interval_ms == 0U) {
continue;
}
// We only care about enabled monitors
if ((pcmk__xe_get_bool_attr(operation, PCMK_META_ENABLED,
&enabled) == pcmk_rc_ok) && !enabled) {
continue;
}
/* Demote actions can't default to
* PCMK_META_ON_FAIL=PCMK_VALUE_DEMOTE
*/
if (pcmk__str_eq(promote_on_fail, PCMK_VALUE_DEMOTE,
pcmk__str_casei)) {
continue;
}
// Use value from first applicable promote action found
pcmk__insert_dup(meta, PCMK_META_ON_FAIL, promote_on_fail);
}
return;
}
if (pcmk__str_eq(action_name, PCMK_ACTION_LRM_DELETE, pcmk__str_none)
&& !pcmk__str_eq(value, PCMK_VALUE_IGNORE, pcmk__str_casei)) {
pcmk__insert_dup(meta, PCMK_META_ON_FAIL, PCMK_VALUE_IGNORE);
return;
}
// PCMK_META_ON_FAIL=PCMK_VALUE_DEMOTE is allowed only for certain actions
if (pcmk__str_eq(value, PCMK_VALUE_DEMOTE, pcmk__str_casei)) {
name = crm_element_value(action_config, PCMK_XA_NAME);
role = crm_element_value(action_config, PCMK_XA_ROLE);
interval_spec = crm_element_value(action_config, PCMK_META_INTERVAL);
pcmk_parse_interval_spec(interval_spec, &interval_ms);
if (!pcmk__str_eq(name, PCMK_ACTION_PROMOTE, pcmk__str_none)
&& ((interval_ms == 0U)
|| !pcmk__str_eq(name, PCMK_ACTION_MONITOR, pcmk__str_none)
|| !pcmk__strcase_any_of(role, PCMK_ROLE_PROMOTED,
PCMK__ROLE_PROMOTED_LEGACY, NULL))) {
pcmk__config_err("Resetting '" PCMK_META_ON_FAIL "' for %s %s "
"action to default value because 'demote' is not "
"allowed for it", rsc->id, name);
g_hash_table_remove(meta, PCMK_META_ON_FAIL);
return;
}
}
}
static int
unpack_timeout(const char *value)
{
long long timeout_ms = crm_get_msec(value);
if (timeout_ms <= 0) {
timeout_ms = PCMK_DEFAULT_ACTION_TIMEOUT_MS;
}
return (int) QB_MIN(timeout_ms, INT_MAX);
}
// true if value contains valid, non-NULL interval origin for recurring op
static bool
unpack_interval_origin(const char *value, const xmlNode *xml_obj,
guint interval_ms, const crm_time_t *now,
long long *start_delay)
{
long long result = 0;
guint interval_sec = interval_ms / 1000;
crm_time_t *origin = NULL;
// Ignore unspecified values and non-recurring operations
if ((value == NULL) || (interval_ms == 0) || (now == NULL)) {
return false;
}
// Parse interval origin from text
origin = crm_time_new(value);
if (origin == NULL) {
pcmk__config_err("Ignoring '" PCMK_META_INTERVAL_ORIGIN "' for "
"operation '%s' because '%s' is not valid",
pcmk__s(pcmk__xe_id(xml_obj), "(missing ID)"), value);
return false;
}
// Get seconds since origin (negative if origin is in the future)
result = crm_time_get_seconds(now) - crm_time_get_seconds(origin);
crm_time_free(origin);
// Calculate seconds from closest interval to now
result = result % interval_sec;
// Calculate seconds remaining until next interval
result = ((result <= 0)? 0 : interval_sec) - result;
crm_info("Calculated a start delay of %llds for operation '%s'",
result, pcmk__s(pcmk__xe_id(xml_obj), "(unspecified)"));
if (start_delay != NULL) {
*start_delay = result * 1000; // milliseconds
}
return true;
}
static int
unpack_start_delay(const char *value, GHashTable *meta)
{
long long start_delay_ms = 0;
if (value == NULL) {
return 0;
}
start_delay_ms = crm_get_msec(value);
start_delay_ms = QB_MIN(start_delay_ms, INT_MAX);
if (start_delay_ms < 0) {
start_delay_ms = 0;
}
if (meta != NULL) {
g_hash_table_replace(meta, strdup(PCMK_META_START_DELAY),
pcmk__itoa(start_delay_ms));
}
return (int) start_delay_ms;
}
/*!
* \internal
* \brief Find a resource's most frequent recurring monitor
*
* \param[in] rsc Resource to check
*
* \return Operation XML configured for most frequent recurring monitor for
* \p rsc (if any)
*/
static xmlNode *
most_frequent_monitor(const pcmk_resource_t *rsc)
{
guint min_interval_ms = G_MAXUINT;
xmlNode *op = NULL;
for (xmlNode *operation = pcmk__xe_first_child(rsc->ops_xml, PCMK_XE_OP,
NULL, NULL);
operation != NULL; operation = pcmk__xe_next_same(operation)) {
bool enabled = false;
guint interval_ms = 0U;
const char *interval_spec = crm_element_value(operation,
PCMK_META_INTERVAL);
// We only care about enabled recurring monitors
if (!pcmk__str_eq(crm_element_value(operation, PCMK_XA_NAME),
PCMK_ACTION_MONITOR, pcmk__str_none)) {
continue;
}
pcmk_parse_interval_spec(interval_spec, &interval_ms);
if (interval_ms == 0U) {
continue;
}
// @TODO This does not consider meta-attributes, rules, defaults, etc.
if ((pcmk__xe_get_bool_attr(operation, PCMK_META_ENABLED,
&enabled) == pcmk_rc_ok) && !enabled) {
continue;
}
if (interval_ms < min_interval_ms) {
min_interval_ms = interval_ms;
op = operation;
}
}
return op;
}
/*!
* \internal
* \brief Unpack action meta-attributes
*
* \param[in,out] rsc Resource that action is for
* \param[in] node Node that action is on
* \param[in] action_name Action name
* \param[in] interval_ms Action interval (in milliseconds)
* \param[in] action_config Action XML configuration from CIB (if any)
*
* Unpack a resource action's meta-attributes (normalizing the interval,
* timeout, and start delay values as integer milliseconds) from its CIB XML
* configuration (including defaults).
*
* \return Newly allocated hash table with normalized action meta-attributes
*/
GHashTable *
pcmk__unpack_action_meta(pcmk_resource_t *rsc, const pcmk_node_t *node,
const char *action_name, guint interval_ms,
const xmlNode *action_config)
{
GHashTable *meta = NULL;
const char *timeout_spec = NULL;
const char *str = NULL;
pe_rsc_eval_data_t rsc_rule_data = {
- .standard = crm_element_value(rsc->xml, PCMK_XA_CLASS),
- .provider = crm_element_value(rsc->xml, PCMK_XA_PROVIDER),
- .agent = crm_element_value(rsc->xml, PCMK_XA_TYPE),
+ .standard = crm_element_value(rsc->private->xml, PCMK_XA_CLASS),
+ .provider = crm_element_value(rsc->private->xml, PCMK_XA_PROVIDER),
+ .agent = crm_element_value(rsc->private->xml, PCMK_XA_TYPE),
};
pe_op_eval_data_t op_rule_data = {
.op_name = action_name,
.interval = interval_ms,
};
pe_rule_eval_data_t rule_data = {
/* @COMPAT Support for node attribute expressions in operation
* meta-attributes (whether in the operation configuration or operation
* defaults) is deprecated. When we can break behavioral backward
* compatibility, drop this line.
*/
.node_hash = (node == NULL)? NULL : node->details->attrs,
.now = rsc->cluster->now,
.match_data = NULL,
.rsc_data = &rsc_rule_data,
.op_data = &op_rule_data,
};
meta = pcmk__strkey_table(free, free);
// Cluster-wide <op_defaults> <meta_attributes>
pe__unpack_dataset_nvpairs(rsc->cluster->op_defaults,
PCMK_XE_META_ATTRIBUTES, &rule_data, meta, NULL,
FALSE, rsc->cluster);
// Derive default timeout for probes from recurring monitor timeouts
if (pcmk_is_probe(action_name, interval_ms)) {
xmlNode *min_interval_mon = most_frequent_monitor(rsc);
if (min_interval_mon != NULL) {
/* @TODO This does not consider timeouts set in
* PCMK_XE_META_ATTRIBUTES blocks (which may also have rules that
* need to be evaluated).
*/
timeout_spec = crm_element_value(min_interval_mon,
PCMK_META_TIMEOUT);
if (timeout_spec != NULL) {
pcmk__rsc_trace(rsc,
"Setting default timeout for %s probe to "
"most frequent monitor's timeout '%s'",
rsc->id, timeout_spec);
pcmk__insert_dup(meta, PCMK_META_TIMEOUT, timeout_spec);
}
}
}
if (action_config != NULL) {
// <op> <meta_attributes> take precedence over defaults
pe__unpack_dataset_nvpairs(action_config, PCMK_XE_META_ATTRIBUTES,
&rule_data, meta, NULL, TRUE, rsc->cluster);
/* Anything set as an <op> XML property has highest precedence.
* This ensures we use the name and interval from the <op> tag.
* (See below for the only exception, fence device start/probe timeout.)
*/
for (xmlAttrPtr attr = action_config->properties;
attr != NULL; attr = attr->next) {
pcmk__insert_dup(meta, (const char *) attr->name,
pcmk__xml_attr_value(attr));
}
}
g_hash_table_remove(meta, PCMK_XA_ID);
// Normalize interval to milliseconds
if (interval_ms > 0) {
g_hash_table_insert(meta, pcmk__str_copy(PCMK_META_INTERVAL),
crm_strdup_printf("%u", interval_ms));
} else {
g_hash_table_remove(meta, PCMK_META_INTERVAL);
}
/* Timeout order of precedence (highest to lowest):
* 1. pcmk_monitor_timeout resource parameter (only for starts and probes
* when rsc has pcmk_ra_cap_fence_params; this gets used for recurring
* monitors via the executor instead)
* 2. timeout configured in <op> (with <op timeout> taking precedence over
* <op> <meta_attributes>)
* 3. timeout configured in <op_defaults> <meta_attributes>
* 4. PCMK_DEFAULT_ACTION_TIMEOUT_MS
*/
// Check for pcmk_monitor_timeout
if (pcmk_is_set(pcmk_get_ra_caps(rsc_rule_data.standard),
pcmk_ra_cap_fence_params)
&& (pcmk__str_eq(action_name, PCMK_ACTION_START, pcmk__str_none)
|| pcmk_is_probe(action_name, interval_ms))) {
GHashTable *params = pe_rsc_params(rsc, node, rsc->cluster);
timeout_spec = g_hash_table_lookup(params, "pcmk_monitor_timeout");
if (timeout_spec != NULL) {
pcmk__rsc_trace(rsc,
"Setting timeout for %s %s to "
"pcmk_monitor_timeout (%s)",
rsc->id, action_name, timeout_spec);
pcmk__insert_dup(meta, PCMK_META_TIMEOUT, timeout_spec);
}
}
// Normalize timeout to positive milliseconds
timeout_spec = g_hash_table_lookup(meta, PCMK_META_TIMEOUT);
g_hash_table_insert(meta, pcmk__str_copy(PCMK_META_TIMEOUT),
pcmk__itoa(unpack_timeout(timeout_spec)));
// Ensure on-fail has a valid value
validate_on_fail(rsc, action_name, action_config, meta);
// Normalize PCMK_META_START_DELAY
str = g_hash_table_lookup(meta, PCMK_META_START_DELAY);
if (str != NULL) {
unpack_start_delay(str, meta);
} else {
long long start_delay = 0;
str = g_hash_table_lookup(meta, PCMK_META_INTERVAL_ORIGIN);
if (unpack_interval_origin(str, action_config, interval_ms,
rsc->cluster->now, &start_delay)) {
g_hash_table_insert(meta, pcmk__str_copy(PCMK_META_START_DELAY),
crm_strdup_printf("%lld", start_delay));
}
}
return meta;
}
/*!
* \internal
* \brief Determine an action's quorum and fencing dependency
*
* \param[in] rsc Resource that action is for
* \param[in] action_name Name of action being unpacked
*
* \return Quorum and fencing dependency appropriate to action
*/
enum rsc_start_requirement
pcmk__action_requires(const pcmk_resource_t *rsc, const char *action_name)
{
const char *value = NULL;
enum rsc_start_requirement requires = pcmk_requires_nothing;
CRM_CHECK((rsc != NULL) && (action_name != NULL), return requires);
if (!pcmk__strcase_any_of(action_name, PCMK_ACTION_START,
PCMK_ACTION_PROMOTE, NULL)) {
value = "nothing (not start or promote)";
} else if (pcmk_is_set(rsc->flags, pcmk_rsc_needs_fencing)) {
requires = pcmk_requires_fencing;
value = "fencing";
} else if (pcmk_is_set(rsc->flags, pcmk_rsc_needs_quorum)) {
requires = pcmk_requires_quorum;
value = "quorum";
} else {
value = "nothing";
}
pcmk__rsc_trace(rsc, "%s of %s requires %s", action_name, rsc->id, value);
return requires;
}
/*!
* \internal
* \brief Parse action failure response from a user-provided string
*
* \param[in] rsc Resource that action is for
* \param[in] action_name Name of action
* \param[in] interval_ms Action interval (in milliseconds)
* \param[in] value User-provided configuration value for on-fail
*
* \return Action failure response parsed from \p text
*/
enum action_fail_response
pcmk__parse_on_fail(const pcmk_resource_t *rsc, const char *action_name,
guint interval_ms, const char *value)
{
const char *desc = NULL;
bool needs_remote_reset = false;
enum action_fail_response on_fail = pcmk_on_fail_ignore;
// There's no enum value for unknown or invalid, so assert
CRM_ASSERT((rsc != NULL) && (action_name != NULL));
if (value == NULL) {
// Use default
} else if (pcmk__str_eq(value, PCMK_VALUE_BLOCK, pcmk__str_casei)) {
on_fail = pcmk_on_fail_block;
desc = "block";
} else if (pcmk__str_eq(value, PCMK_VALUE_FENCE, pcmk__str_casei)) {
if (pcmk_is_set(rsc->cluster->flags, pcmk_sched_fencing_enabled)) {
on_fail = pcmk_on_fail_fence_node;
desc = "node fencing";
} else {
pcmk__config_err("Resetting '" PCMK_META_ON_FAIL "' for "
"%s of %s to 'stop' because 'fence' is not "
"valid when fencing is disabled",
action_name, rsc->id);
on_fail = pcmk_on_fail_stop;
desc = "stop resource";
}
} else if (pcmk__str_eq(value, PCMK_VALUE_STANDBY, pcmk__str_casei)) {
on_fail = pcmk_on_fail_standby_node;
desc = "node standby";
} else if (pcmk__strcase_any_of(value,
PCMK_VALUE_IGNORE, PCMK_VALUE_NOTHING,
NULL)) {
desc = "ignore";
} else if (pcmk__str_eq(value, "migrate", pcmk__str_casei)) {
on_fail = pcmk_on_fail_ban;
desc = "force migration";
} else if (pcmk__str_eq(value, PCMK_VALUE_STOP, pcmk__str_casei)) {
on_fail = pcmk_on_fail_stop;
desc = "stop resource";
} else if (pcmk__str_eq(value, PCMK_VALUE_RESTART, pcmk__str_casei)) {
on_fail = pcmk_on_fail_restart;
desc = "restart (and possibly migrate)";
} else if (pcmk__str_eq(value, PCMK_VALUE_RESTART_CONTAINER,
pcmk__str_casei)) {
if (rsc->container == NULL) {
pcmk__rsc_debug(rsc,
"Using default " PCMK_META_ON_FAIL " for %s "
"of %s because it does not have a container",
action_name, rsc->id);
} else {
on_fail = pcmk_on_fail_restart_container;
desc = "restart container (and possibly migrate)";
}
} else if (pcmk__str_eq(value, PCMK_VALUE_DEMOTE, pcmk__str_casei)) {
on_fail = pcmk_on_fail_demote;
desc = "demote instance";
} else {
pcmk__config_err("Using default '" PCMK_META_ON_FAIL "' for "
"%s of %s because '%s' is not valid",
action_name, rsc->id, value);
}
/* Remote node connections are handled specially. Failures that result
* in dropping an active connection must result in fencing. The only
* failures that don't are probes and starts. The user can explicitly set
* PCMK_META_ON_FAIL=PCMK_VALUE_FENCE to fence after start failures.
*/
if (rsc->is_remote_node
&& pcmk__is_remote_node(pcmk_find_node(rsc->cluster, rsc->id))
&& !pcmk_is_probe(action_name, interval_ms)
&& !pcmk__str_eq(action_name, PCMK_ACTION_START, pcmk__str_none)) {
needs_remote_reset = true;
if (!pcmk_is_set(rsc->flags, pcmk_rsc_managed)) {
desc = NULL; // Force default for unmanaged connections
}
}
if (desc != NULL) {
// Explicit value used, default not needed
} else if (rsc->container != NULL) {
on_fail = pcmk_on_fail_restart_container;
desc = "restart container (and possibly migrate) (default)";
} else if (needs_remote_reset) {
if (pcmk_is_set(rsc->flags, pcmk_rsc_managed)) {
if (pcmk_is_set(rsc->cluster->flags,
pcmk_sched_fencing_enabled)) {
desc = "fence remote node (default)";
} else {
desc = "recover remote node connection (default)";
}
on_fail = pcmk_on_fail_reset_remote;
} else {
on_fail = pcmk_on_fail_stop;
desc = "stop unmanaged remote node (enforcing default)";
}
} else if (pcmk__str_eq(action_name, PCMK_ACTION_STOP, pcmk__str_none)) {
if (pcmk_is_set(rsc->cluster->flags, pcmk_sched_fencing_enabled)) {
on_fail = pcmk_on_fail_fence_node;
desc = "resource fence (default)";
} else {
on_fail = pcmk_on_fail_block;
desc = "resource block (default)";
}
} else {
on_fail = pcmk_on_fail_restart;
desc = "restart (and possibly migrate) (default)";
}
pcmk__rsc_trace(rsc, "Failure handling for %s-interval %s of %s: %s",
pcmk__readable_interval(interval_ms), action_name,
rsc->id, desc);
return on_fail;
}
/*!
* \internal
* \brief Determine a resource's role after failure of an action
*
* \param[in] rsc Resource that action is for
* \param[in] action_name Action name
* \param[in] on_fail Failure handling for action
* \param[in] meta Unpacked action meta-attributes
*
* \return Resource role that results from failure of action
*/
enum rsc_role_e
pcmk__role_after_failure(const pcmk_resource_t *rsc, const char *action_name,
enum action_fail_response on_fail, GHashTable *meta)
{
const char *value = NULL;
enum rsc_role_e role = pcmk_role_unknown;
// Set default for role after failure specially in certain circumstances
switch (on_fail) {
case pcmk_on_fail_stop:
role = pcmk_role_stopped;
break;
case pcmk_on_fail_reset_remote:
if (rsc->remote_reconnect_ms != 0) {
role = pcmk_role_stopped;
}
break;
default:
break;
}
// @COMPAT Check for explicitly configured role (deprecated)
value = g_hash_table_lookup(meta, PCMK__META_ROLE_AFTER_FAILURE);
if (value != NULL) {
pcmk__warn_once(pcmk__wo_role_after,
"Support for " PCMK__META_ROLE_AFTER_FAILURE " is "
"deprecated and will be removed in a future release");
if (role == pcmk_role_unknown) {
role = pcmk_parse_role(value);
if (role == pcmk_role_unknown) {
pcmk__config_err("Ignoring invalid value %s for "
PCMK__META_ROLE_AFTER_FAILURE,
value);
}
}
}
if (role == pcmk_role_unknown) {
// Use default
if (pcmk__str_eq(action_name, PCMK_ACTION_PROMOTE, pcmk__str_none)) {
role = pcmk_role_unpromoted;
} else {
role = pcmk_role_started;
}
}
pcmk__rsc_trace(rsc, "Role after %s %s failure is: %s",
rsc->id, action_name, pcmk_role_text(role));
return role;
}
/*!
* \internal
* \brief Unpack action configuration
*
* Unpack a resource action's meta-attributes (normalizing the interval,
* timeout, and start delay values as integer milliseconds), requirements, and
* failure policy from its CIB XML configuration (including defaults).
*
* \param[in,out] action Resource action to unpack into
* \param[in] xml_obj Action configuration XML (NULL for defaults only)
* \param[in] interval_ms How frequently to perform the operation
*/
static void
unpack_operation(pcmk_action_t *action, const xmlNode *xml_obj,
guint interval_ms)
{
const char *value = NULL;
action->meta = pcmk__unpack_action_meta(action->rsc, action->node,
action->task, interval_ms, xml_obj);
action->needs = pcmk__action_requires(action->rsc, action->task);
value = g_hash_table_lookup(action->meta, PCMK_META_ON_FAIL);
action->on_fail = pcmk__parse_on_fail(action->rsc, action->task,
interval_ms, value);
action->fail_role = pcmk__role_after_failure(action->rsc, action->task,
action->on_fail, action->meta);
}
/*!
* \brief Create or update an action object
*
* \param[in,out] rsc Resource that action is for (if any)
* \param[in,out] key Action key (must be non-NULL)
* \param[in] task Action name (must be non-NULL)
* \param[in] on_node Node that action is on (if any)
* \param[in] optional Whether action should be considered optional
* \param[in,out] scheduler Scheduler data
*
* \return Action object corresponding to arguments (guaranteed not to be
* \c NULL)
* \note This function takes ownership of (and might free) \p key, and
* \p scheduler takes ownership of the returned action (the caller should
* not free it).
*/
pcmk_action_t *
custom_action(pcmk_resource_t *rsc, char *key, const char *task,
const pcmk_node_t *on_node, gboolean optional,
pcmk_scheduler_t *scheduler)
{
pcmk_action_t *action = NULL;
CRM_ASSERT((key != NULL) && (task != NULL) && (scheduler != NULL));
action = find_existing_action(key, rsc, on_node, scheduler);
if (action == NULL) {
action = new_action(key, task, rsc, on_node, optional, scheduler);
} else {
free(key);
}
update_action_optional(action, optional);
if (rsc != NULL) {
/* An action can be initially created with a NULL node, and later have
* the node added via find_existing_action() (above) -> find_actions().
* That is why the extra parameters are unpacked here rather than in
* new_action().
*/
if ((action->node != NULL) && (action->op_entry != NULL)
&& !pcmk_is_set(action->flags, pcmk_action_attrs_evaluated)) {
GHashTable *attrs = action->node->details->attrs;
if (action->extra != NULL) {
g_hash_table_destroy(action->extra);
}
action->extra = pcmk__unpack_action_rsc_params(action->op_entry,
attrs, scheduler);
pcmk__set_action_flags(action, pcmk_action_attrs_evaluated);
}
update_resource_action_runnable(action, scheduler);
update_resource_flags_for_action(rsc, action);
}
if (action->extra == NULL) {
action->extra = pcmk__strkey_table(free, free);
}
return action;
}
pcmk_action_t *
get_pseudo_op(const char *name, pcmk_scheduler_t *scheduler)
{
pcmk_action_t *op = lookup_singleton(scheduler, name);
if (op == NULL) {
op = custom_action(NULL, strdup(name), name, NULL, TRUE, scheduler);
pcmk__set_action_flags(op, pcmk_action_pseudo|pcmk_action_runnable);
}
return op;
}
static GList *
find_unfencing_devices(GList *candidates, GList *matches)
{
for (GList *gIter = candidates; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *candidate = gIter->data;
if (candidate->children != NULL) {
matches = find_unfencing_devices(candidate->children, matches);
} else if (!pcmk_is_set(candidate->flags, pcmk_rsc_fence_device)) {
continue;
} else if (pcmk_is_set(candidate->flags, pcmk_rsc_needs_unfencing)) {
matches = g_list_prepend(matches, candidate);
} else if (pcmk__str_eq(g_hash_table_lookup(candidate->meta,
PCMK_STONITH_PROVIDES),
PCMK_VALUE_UNFENCING, pcmk__str_casei)) {
matches = g_list_prepend(matches, candidate);
}
}
return matches;
}
static int
node_priority_fencing_delay(const pcmk_node_t *node,
const pcmk_scheduler_t *scheduler)
{
int member_count = 0;
int online_count = 0;
int top_priority = 0;
int lowest_priority = 0;
GList *gIter = NULL;
// PCMK_OPT_PRIORITY_FENCING_DELAY is disabled
if (scheduler->priority_fencing_delay <= 0) {
return 0;
}
/* No need to request a delay if the fencing target is not a normal cluster
* member, for example if it's a remote node or a guest node. */
if (node->details->type != pcmk_node_variant_cluster) {
return 0;
}
// No need to request a delay if the fencing target is in our partition
if (node->details->online) {
return 0;
}
for (gIter = scheduler->nodes; gIter != NULL; gIter = gIter->next) {
pcmk_node_t *n = gIter->data;
if (n->details->type != pcmk_node_variant_cluster) {
continue;
}
member_count ++;
if (n->details->online) {
online_count++;
}
if (member_count == 1
|| n->details->priority > top_priority) {
top_priority = n->details->priority;
}
if (member_count == 1
|| n->details->priority < lowest_priority) {
lowest_priority = n->details->priority;
}
}
// No need to delay if we have more than half of the cluster members
if (online_count > member_count / 2) {
return 0;
}
/* All the nodes have equal priority.
* Any configured corresponding `pcmk_delay_base/max` will be applied. */
if (lowest_priority == top_priority) {
return 0;
}
if (node->details->priority < top_priority) {
return 0;
}
return scheduler->priority_fencing_delay;
}
pcmk_action_t *
pe_fence_op(pcmk_node_t *node, const char *op, bool optional,
const char *reason, bool priority_delay,
pcmk_scheduler_t *scheduler)
{
char *op_key = NULL;
pcmk_action_t *stonith_op = NULL;
if(op == NULL) {
op = scheduler->stonith_action;
}
op_key = crm_strdup_printf("%s-%s-%s",
PCMK_ACTION_STONITH, node->details->uname, op);
stonith_op = lookup_singleton(scheduler, op_key);
if(stonith_op == NULL) {
stonith_op = custom_action(NULL, op_key, PCMK_ACTION_STONITH, node,
TRUE, scheduler);
pcmk__insert_meta(stonith_op, PCMK__META_ON_NODE, node->details->uname);
pcmk__insert_meta(stonith_op, PCMK__META_ON_NODE_UUID,
node->details->id);
pcmk__insert_meta(stonith_op, PCMK__META_STONITH_ACTION, op);
if (pcmk_is_set(scheduler->flags, pcmk_sched_enable_unfencing)) {
/* Extra work to detect device changes
*/
GString *digests_all = g_string_sized_new(1024);
GString *digests_secure = g_string_sized_new(1024);
GList *matches = find_unfencing_devices(scheduler->resources, NULL);
for (GList *gIter = matches; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *match = gIter->data;
const char *agent = g_hash_table_lookup(match->meta,
PCMK_XA_TYPE);
pcmk__op_digest_t *data = NULL;
data = pe__compare_fencing_digest(match, agent, node,
scheduler);
if (data->rc == pcmk__digest_mismatch) {
optional = FALSE;
crm_notice("Unfencing node %s because the definition of "
"%s changed", pcmk__node_name(node), match->id);
if (!pcmk__is_daemon && scheduler->priv != NULL) {
pcmk__output_t *out = scheduler->priv;
out->info(out,
"notice: Unfencing node %s because the "
"definition of %s changed",
pcmk__node_name(node), match->id);
}
}
pcmk__g_strcat(digests_all,
match->id, ":", agent, ":",
data->digest_all_calc, ",", NULL);
pcmk__g_strcat(digests_secure,
match->id, ":", agent, ":",
data->digest_secure_calc, ",", NULL);
}
pcmk__insert_dup(stonith_op->meta, PCMK__META_DIGESTS_ALL,
digests_all->str);
g_string_free(digests_all, TRUE);
pcmk__insert_dup(stonith_op->meta, PCMK__META_DIGESTS_SECURE,
digests_secure->str);
g_string_free(digests_secure, TRUE);
}
} else {
free(op_key);
}
if (scheduler->priority_fencing_delay > 0
/* It's a suitable case where PCMK_OPT_PRIORITY_FENCING_DELAY
* applies. At least add PCMK_OPT_PRIORITY_FENCING_DELAY field as
* an indicator.
*/
&& (priority_delay
/* The priority delay needs to be recalculated if this function has
* been called by schedule_fencing_and_shutdowns() after node
* priority has already been calculated by native_add_running().
*/
|| g_hash_table_lookup(stonith_op->meta,
PCMK_OPT_PRIORITY_FENCING_DELAY) != NULL)) {
/* Add PCMK_OPT_PRIORITY_FENCING_DELAY to the fencing op even if
* it's 0 for the targeting node. So that it takes precedence over
* any possible `pcmk_delay_base/max`.
*/
char *delay_s = pcmk__itoa(node_priority_fencing_delay(node,
scheduler));
g_hash_table_insert(stonith_op->meta,
strdup(PCMK_OPT_PRIORITY_FENCING_DELAY),
delay_s);
}
if(optional == FALSE && pe_can_fence(scheduler, node)) {
pcmk__clear_action_flags(stonith_op, pcmk_action_optional);
pe_action_set_reason(stonith_op, reason, false);
} else if(reason && stonith_op->reason == NULL) {
stonith_op->reason = strdup(reason);
}
return stonith_op;
}
void
pe_free_action(pcmk_action_t *action)
{
if (action == NULL) {
return;
}
g_list_free_full(action->actions_before, free);
g_list_free_full(action->actions_after, free);
if (action->extra) {
g_hash_table_destroy(action->extra);
}
if (action->meta) {
g_hash_table_destroy(action->meta);
}
free(action->cancel_task);
free(action->reason);
free(action->task);
free(action->uuid);
free(action->node);
free(action);
}
enum action_tasks
get_complex_task(const pcmk_resource_t *rsc, const char *name)
{
enum action_tasks task = pcmk_parse_action(name);
if (pcmk__is_primitive(rsc)) {
switch (task) {
case pcmk_action_stopped:
case pcmk_action_started:
case pcmk_action_demoted:
case pcmk_action_promoted:
crm_trace("Folding %s back into its atomic counterpart for %s",
name, rsc->id);
--task;
break;
default:
break;
}
}
return task;
}
/*!
* \internal
* \brief Find first matching action in a list
*
* \param[in] input List of actions to search
* \param[in] uuid If not NULL, action must have this UUID
* \param[in] task If not NULL, action must have this action name
* \param[in] on_node If not NULL, action must be on this node
*
* \return First action in list that matches criteria, or NULL if none
*/
pcmk_action_t *
find_first_action(const GList *input, const char *uuid, const char *task,
const pcmk_node_t *on_node)
{
CRM_CHECK(uuid || task, return NULL);
for (const GList *gIter = input; gIter != NULL; gIter = gIter->next) {
pcmk_action_t *action = (pcmk_action_t *) gIter->data;
if (uuid != NULL && !pcmk__str_eq(uuid, action->uuid, pcmk__str_casei)) {
continue;
} else if (task != NULL && !pcmk__str_eq(task, action->task, pcmk__str_casei)) {
continue;
} else if (on_node == NULL) {
return action;
} else if (action->node == NULL) {
continue;
} else if (pcmk__same_node(on_node, action->node)) {
return action;
}
}
return NULL;
}
GList *
find_actions(GList *input, const char *key, const pcmk_node_t *on_node)
{
GList *gIter = input;
GList *result = NULL;
CRM_CHECK(key != NULL, return NULL);
for (; gIter != NULL; gIter = gIter->next) {
pcmk_action_t *action = (pcmk_action_t *) gIter->data;
if (!pcmk__str_eq(key, action->uuid, pcmk__str_casei)) {
continue;
} else if (on_node == NULL) {
crm_trace("Action %s matches (ignoring node)", key);
result = g_list_prepend(result, action);
} else if (action->node == NULL) {
crm_trace("Action %s matches (unallocated, assigning to %s)",
key, pcmk__node_name(on_node));
action->node = pe__copy_node(on_node);
result = g_list_prepend(result, action);
} else if (pcmk__same_node(on_node, action->node)) {
crm_trace("Action %s on %s matches", key, pcmk__node_name(on_node));
result = g_list_prepend(result, action);
}
}
return result;
}
GList *
find_actions_exact(GList *input, const char *key, const pcmk_node_t *on_node)
{
GList *result = NULL;
CRM_CHECK(key != NULL, return NULL);
if (on_node == NULL) {
return NULL;
}
for (GList *gIter = input; gIter != NULL; gIter = gIter->next) {
pcmk_action_t *action = (pcmk_action_t *) gIter->data;
if ((action->node != NULL)
&& pcmk__str_eq(key, action->uuid, pcmk__str_casei)
&& pcmk__str_eq(on_node->details->id, action->node->details->id,
pcmk__str_casei)) {
crm_trace("Action %s on %s matches", key, pcmk__node_name(on_node));
result = g_list_prepend(result, action);
}
}
return result;
}
/*!
* \brief Find all actions of given type for a resource
*
* \param[in] rsc Resource to search
* \param[in] node Find only actions scheduled on this node
* \param[in] task Action name to search for
* \param[in] require_node If TRUE, NULL node or action node will not match
*
* \return List of actions found (or NULL if none)
* \note If node is not NULL and require_node is FALSE, matching actions
* without a node will be assigned to node.
*/
GList *
pe__resource_actions(const pcmk_resource_t *rsc, const pcmk_node_t *node,
const char *task, bool require_node)
{
GList *result = NULL;
char *key = pcmk__op_key(rsc->id, task, 0);
if (require_node) {
result = find_actions_exact(rsc->actions, key, node);
} else {
result = find_actions(rsc->actions, key, node);
}
free(key);
return result;
}
/*!
* \internal
* \brief Create an action reason string based on the action itself
*
* \param[in] action Action to create reason string for
* \param[in] flag Action flag that was cleared
*
* \return Newly allocated string suitable for use as action reason
* \note It is the caller's responsibility to free() the result.
*/
char *
pe__action2reason(const pcmk_action_t *action, enum pe_action_flags flag)
{
const char *change = NULL;
switch (flag) {
case pcmk_action_runnable:
change = "unrunnable";
break;
case pcmk_action_migratable:
change = "unmigrateable";
break;
case pcmk_action_optional:
change = "required";
break;
default:
// Bug: caller passed unsupported flag
CRM_CHECK(change != NULL, change = "");
break;
}
return crm_strdup_printf("%s%s%s %s", change,
(action->rsc == NULL)? "" : " ",
(action->rsc == NULL)? "" : action->rsc->id,
action->task);
}
void pe_action_set_reason(pcmk_action_t *action, const char *reason,
bool overwrite)
{
if (action->reason != NULL && overwrite) {
pcmk__rsc_trace(action->rsc, "Changing %s reason from '%s' to '%s'",
action->uuid, action->reason,
pcmk__s(reason, "(none)"));
} else if (action->reason == NULL) {
pcmk__rsc_trace(action->rsc, "Set %s reason to '%s'",
action->uuid, pcmk__s(reason, "(none)"));
} else {
// crm_assert(action->reason != NULL && !overwrite);
return;
}
pcmk__str_update(&action->reason, reason);
}
/*!
* \internal
* \brief Create an action to clear a resource's history from CIB
*
* \param[in,out] rsc Resource to clear
* \param[in] node Node to clear history on
*/
void
pe__clear_resource_history(pcmk_resource_t *rsc, const pcmk_node_t *node)
{
CRM_ASSERT((rsc != NULL) && (node != NULL));
custom_action(rsc, pcmk__op_key(rsc->id, PCMK_ACTION_LRM_DELETE, 0),
PCMK_ACTION_LRM_DELETE, node, FALSE, rsc->cluster);
}
#define sort_return(an_int, why) do { \
free(a_uuid); \
free(b_uuid); \
crm_trace("%s (%d) %c %s (%d) : %s", \
a_xml_id, a_call_id, an_int>0?'>':an_int<0?'<':'=', \
b_xml_id, b_call_id, why); \
return an_int; \
} while(0)
int
pe__is_newer_op(const xmlNode *xml_a, const xmlNode *xml_b,
bool same_node_default)
{
int a_call_id = -1;
int b_call_id = -1;
char *a_uuid = NULL;
char *b_uuid = NULL;
const char *a_xml_id = crm_element_value(xml_a, PCMK_XA_ID);
const char *b_xml_id = crm_element_value(xml_b, PCMK_XA_ID);
const char *a_node = crm_element_value(xml_a, PCMK__META_ON_NODE);
const char *b_node = crm_element_value(xml_b, PCMK__META_ON_NODE);
bool same_node = true;
/* @COMPAT The on_node attribute was added to last_failure as of 1.1.13 (via
* 8b3ca1c) and the other entries as of 1.1.12 (via 0b07b5c).
*
* In case that any of the PCMK__XE_LRM_RSC_OP entries doesn't have on_node
* attribute, we need to explicitly tell whether the two operations are on
* the same node.
*/
if (a_node == NULL || b_node == NULL) {
same_node = same_node_default;
} else {
same_node = pcmk__str_eq(a_node, b_node, pcmk__str_casei);
}
if (same_node && pcmk__str_eq(a_xml_id, b_xml_id, pcmk__str_none)) {
/* We have duplicate PCMK__XE_LRM_RSC_OP entries in the status
* section which is unlikely to be a good thing
* - we can handle it easily enough, but we need to get
* to the bottom of why it's happening.
*/
pcmk__config_err("Duplicate " PCMK__XE_LRM_RSC_OP " entries named %s",
a_xml_id);
sort_return(0, "duplicate");
}
crm_element_value_int(xml_a, PCMK__XA_CALL_ID, &a_call_id);
crm_element_value_int(xml_b, PCMK__XA_CALL_ID, &b_call_id);
if (a_call_id == -1 && b_call_id == -1) {
/* both are pending ops so it doesn't matter since
* stops are never pending
*/
sort_return(0, "pending");
} else if (same_node && a_call_id >= 0 && a_call_id < b_call_id) {
sort_return(-1, "call id");
} else if (same_node && b_call_id >= 0 && a_call_id > b_call_id) {
sort_return(1, "call id");
} else if (a_call_id >= 0 && b_call_id >= 0
&& (!same_node || a_call_id == b_call_id)) {
/* The op and last_failed_op are the same. Order on
* PCMK_XA_LAST_RC_CHANGE.
*/
time_t last_a = -1;
time_t last_b = -1;
crm_element_value_epoch(xml_a, PCMK_XA_LAST_RC_CHANGE, &last_a);
crm_element_value_epoch(xml_b, PCMK_XA_LAST_RC_CHANGE, &last_b);
crm_trace("rc-change: %lld vs %lld",
(long long) last_a, (long long) last_b);
if (last_a >= 0 && last_a < last_b) {
sort_return(-1, "rc-change");
} else if (last_b >= 0 && last_a > last_b) {
sort_return(1, "rc-change");
}
sort_return(0, "rc-change");
} else {
/* One of the inputs is a pending operation.
* Attempt to use PCMK__XA_TRANSITION_MAGIC to determine its age relative
* to the other.
*/
int a_id = -1;
int b_id = -1;
const char *a_magic = crm_element_value(xml_a,
PCMK__XA_TRANSITION_MAGIC);
const char *b_magic = crm_element_value(xml_b,
PCMK__XA_TRANSITION_MAGIC);
CRM_CHECK(a_magic != NULL && b_magic != NULL, sort_return(0, "No magic"));
if (!decode_transition_magic(a_magic, &a_uuid, &a_id, NULL, NULL, NULL,
NULL)) {
sort_return(0, "bad magic a");
}
if (!decode_transition_magic(b_magic, &b_uuid, &b_id, NULL, NULL, NULL,
NULL)) {
sort_return(0, "bad magic b");
}
/* try to determine the relative age of the operation...
* some pending operations (e.g. a start) may have been superseded
* by a subsequent stop
*
* [a|b]_id == -1 means it's a shutdown operation and _always_ comes last
*/
if (!pcmk__str_eq(a_uuid, b_uuid, pcmk__str_casei) || a_id == b_id) {
/*
* some of the logic in here may be redundant...
*
* if the UUID from the TE doesn't match then one better
* be a pending operation.
* pending operations don't survive between elections and joins
* because we query the LRM directly
*/
if (b_call_id == -1) {
sort_return(-1, "transition + call");
} else if (a_call_id == -1) {
sort_return(1, "transition + call");
}
} else if ((a_id >= 0 && a_id < b_id) || b_id == -1) {
sort_return(-1, "transition");
} else if ((b_id >= 0 && a_id > b_id) || a_id == -1) {
sort_return(1, "transition");
}
}
/* we should never end up here */
CRM_CHECK(FALSE, sort_return(0, "default"));
}
gint
sort_op_by_callid(gconstpointer a, gconstpointer b)
{
const xmlNode *xml_a = a;
const xmlNode *xml_b = b;
return pe__is_newer_op(xml_a, xml_b, true);
}
/*!
* \internal
* \brief Create a new pseudo-action for a resource
*
* \param[in,out] rsc Resource to create action for
* \param[in] task Action name
* \param[in] optional Whether action should be considered optional
* \param[in] runnable Whethe action should be considered runnable
*
* \return New action object corresponding to arguments
*/
pcmk_action_t *
pe__new_rsc_pseudo_action(pcmk_resource_t *rsc, const char *task, bool optional,
bool runnable)
{
pcmk_action_t *action = NULL;
CRM_ASSERT((rsc != NULL) && (task != NULL));
action = custom_action(rsc, pcmk__op_key(rsc->id, task, 0), task, NULL,
optional, rsc->cluster);
pcmk__set_action_flags(action, pcmk_action_pseudo);
if (runnable) {
pcmk__set_action_flags(action, pcmk_action_runnable);
}
return action;
}
/*!
* \internal
* \brief Add the expected result to an action
*
* \param[in,out] action Action to add expected result to
* \param[in] expected_result Expected result to add
*
* \note This is more efficient than calling pcmk__insert_meta().
*/
void
pe__add_action_expected_result(pcmk_action_t *action, int expected_result)
{
CRM_ASSERT((action != NULL) && (action->meta != NULL));
g_hash_table_insert(action->meta, pcmk__str_copy(PCMK__META_OP_TARGET_RC),
pcmk__itoa(expected_result));
}
diff --git a/lib/pengine/pe_digest.c b/lib/pengine/pe_digest.c
index a7bb3c68ba..6b1415efab 100644
--- a/lib/pengine/pe_digest.c
+++ b/lib/pengine/pe_digest.c
@@ -1,614 +1,614 @@
/*
* Copyright 2004-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU Lesser General Public License
* version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <glib.h>
#include <stdbool.h>
#include <crm/crm.h>
#include <crm/common/xml.h>
#include <crm/common/xml_internal.h>
#include <crm/pengine/internal.h>
#include "pe_status_private.h"
extern bool pcmk__is_daemon;
/*!
* \internal
* \brief Free an operation digest cache entry
*
* \param[in,out] ptr Pointer to cache entry to free
*
* \note The argument is a gpointer so this can be used as a hash table
* free function.
*/
void
pe__free_digests(gpointer ptr)
{
pcmk__op_digest_t *data = ptr;
if (data != NULL) {
pcmk__xml_free(data->params_all);
pcmk__xml_free(data->params_secure);
pcmk__xml_free(data->params_restart);
free(data->digest_all_calc);
free(data->digest_restart_calc);
free(data->digest_secure_calc);
free(data);
}
}
// Return true if XML attribute name is not substring of a given string
static bool
attr_not_in_string(xmlAttrPtr a, void *user_data)
{
bool filter = false;
char *name = crm_strdup_printf(" %s ", (const char *) a->name);
if (strstr((const char *) user_data, name) == NULL) {
crm_trace("Filtering %s (not found in '%s')",
(const char *) a->name, (const char *) user_data);
filter = true;
}
free(name);
return filter;
}
// Return true if XML attribute name is substring of a given string
static bool
attr_in_string(xmlAttrPtr a, void *user_data)
{
bool filter = false;
char *name = crm_strdup_printf(" %s ", (const char *) a->name);
if (strstr((const char *) user_data, name) != NULL) {
crm_trace("Filtering %s (found in '%s')",
(const char *) a->name, (const char *) user_data);
filter = true;
}
free(name);
return filter;
}
/*!
* \internal
* \brief Add digest of all parameters to a digest cache entry
*
* \param[out] data Digest cache entry to modify
* \param[in,out] rsc Resource that action was for
* \param[in] node Node action was performed on
* \param[in] params Resource parameters evaluated for node
* \param[in] task Name of action performed
* \param[in,out] interval_ms Action's interval (will be reset if in overrides)
* \param[in] xml_op Unused
* \param[in] op_version CRM feature set to use for digest calculation
* \param[in] overrides Key/value table to override resource parameters
* \param[in,out] scheduler Scheduler data
*/
static void
calculate_main_digest(pcmk__op_digest_t *data, pcmk_resource_t *rsc,
const pcmk_node_t *node, GHashTable *params,
const char *task, guint *interval_ms,
const xmlNode *xml_op, const char *op_version,
GHashTable *overrides, pcmk_scheduler_t *scheduler)
{
xmlNode *action_config = NULL;
data->params_all = pcmk__xe_create(NULL, PCMK_XE_PARAMETERS);
/* REMOTE_CONTAINER_HACK: Allow Pacemaker Remote nodes to run containers
* that themselves are Pacemaker Remote nodes
*/
(void) pe__add_bundle_remote_name(rsc, data->params_all,
PCMK_REMOTE_RA_ADDR);
if (overrides != NULL) {
// If interval was overridden, reset it
const char *meta_name = CRM_META "_" PCMK_META_INTERVAL;
const char *interval_s = g_hash_table_lookup(overrides, meta_name);
if (interval_s != NULL) {
long long value_ll;
if ((pcmk__scan_ll(interval_s, &value_ll, 0LL) == pcmk_rc_ok)
&& (value_ll >= 0) && (value_ll <= G_MAXUINT)) {
*interval_ms = (guint) value_ll;
}
}
// Add overrides to list of all parameters
g_hash_table_foreach(overrides, hash2field, data->params_all);
}
// Add provided instance parameters
g_hash_table_foreach(params, hash2field, data->params_all);
// Find action configuration XML in CIB
action_config = pcmk__find_action_config(rsc, task, *interval_ms, true);
/* Add action-specific resource instance attributes to the digest list.
*
* If this is a one-time action with action-specific instance attributes,
* enforce a restart instead of reload-agent in case the main digest doesn't
* match, even if the restart digest does. This ensures any changes of the
* action-specific parameters get applied for this specific action, and
* digests calculated for the resulting history will be correct. Default the
* result to RSC_DIGEST_RESTART for the case where the main digest doesn't
* match.
*/
params = pcmk__unpack_action_rsc_params(action_config, node->details->attrs,
scheduler);
if ((*interval_ms == 0) && (g_hash_table_size(params) > 0)) {
data->rc = pcmk__digest_restart;
}
g_hash_table_foreach(params, hash2field, data->params_all);
g_hash_table_destroy(params);
// Add action meta-attributes
params = pcmk__unpack_action_meta(rsc, node, task, *interval_ms,
action_config);
g_hash_table_foreach(params, hash2metafield, data->params_all);
g_hash_table_destroy(params);
pcmk__filter_op_for_digest(data->params_all);
data->digest_all_calc = calculate_operation_digest(data->params_all,
op_version);
}
// Return true if XML attribute name is a Pacemaker-defined fencing parameter
static bool
is_fence_param(xmlAttrPtr attr, void *user_data)
{
return pcmk_stonith_param((const char *) attr->name);
}
/*!
* \internal
* \brief Add secure digest to a digest cache entry
*
* \param[out] data Digest cache entry to modify
* \param[in] rsc Resource that action was for
* \param[in] params Resource parameters evaluated for node
* \param[in] xml_op XML of operation in CIB status (if available)
* \param[in] op_version CRM feature set to use for digest calculation
* \param[in] overrides Key/value hash table to override resource parameters
*/
static void
calculate_secure_digest(pcmk__op_digest_t *data, const pcmk_resource_t *rsc,
GHashTable *params, const xmlNode *xml_op,
const char *op_version, GHashTable *overrides)
{
- const char *class = crm_element_value(rsc->xml, PCMK_XA_CLASS);
+ const char *class = crm_element_value(rsc->private->xml, PCMK_XA_CLASS);
const char *secure_list = NULL;
bool old_version = (compare_version(op_version, "3.16.0") < 0);
if (xml_op == NULL) {
secure_list = " passwd password user ";
} else {
secure_list = crm_element_value(xml_op, PCMK__XA_OP_SECURE_PARAMS);
}
if (old_version) {
data->params_secure = pcmk__xe_create(NULL, PCMK_XE_PARAMETERS);
if (overrides != NULL) {
g_hash_table_foreach(overrides, hash2field, data->params_secure);
}
g_hash_table_foreach(params, hash2field, data->params_secure);
} else {
// Start with a copy of all parameters
data->params_secure = pcmk__xml_copy(NULL, data->params_all);
}
if (secure_list != NULL) {
pcmk__xe_remove_matching_attrs(data->params_secure, attr_in_string,
(void *) secure_list);
}
if (old_version
&& pcmk_is_set(pcmk_get_ra_caps(class),
pcmk_ra_cap_fence_params)) {
/* For stonith resources, Pacemaker adds special parameters,
* but these are not listed in fence agent meta-data, so with older
* versions of DC, the controller will not hash them. That means we have
* to filter them out before calculating our hash for comparison.
*/
pcmk__xe_remove_matching_attrs(data->params_secure, is_fence_param,
NULL);
}
pcmk__filter_op_for_digest(data->params_secure);
/* CRM_meta_timeout *should* be part of a digest for recurring operations.
* However, with older versions of DC, the controller does not add timeout
* to secure digests, because it only includes parameters declared by the
* resource agent.
* Remove any timeout that made it this far, to match.
*/
if (old_version) {
pcmk__xe_remove_attr(data->params_secure,
CRM_META "_" PCMK_META_TIMEOUT);
}
data->digest_secure_calc = calculate_operation_digest(data->params_secure,
op_version);
}
/*!
* \internal
* \brief Add restart digest to a digest cache entry
*
* \param[out] data Digest cache entry to modify
* \param[in] xml_op XML of operation in CIB status (if available)
* \param[in] op_version CRM feature set to use for digest calculation
*
* \note This function doesn't need to handle overrides because it starts with
* data->params_all, which already has overrides applied.
*/
static void
calculate_restart_digest(pcmk__op_digest_t *data, const xmlNode *xml_op,
const char *op_version)
{
const char *value = NULL;
// We must have XML of resource operation history
if (xml_op == NULL) {
return;
}
// And the history must have a restart digest to compare against
if (crm_element_value(xml_op, PCMK__XA_OP_RESTART_DIGEST) == NULL) {
return;
}
// Start with a copy of all parameters
data->params_restart = pcmk__xml_copy(NULL, data->params_all);
// Then filter out reloadable parameters, if any
value = crm_element_value(xml_op, PCMK__XA_OP_FORCE_RESTART);
if (value != NULL) {
pcmk__xe_remove_matching_attrs(data->params_restart, attr_not_in_string,
(void *) value);
}
value = crm_element_value(xml_op, PCMK_XA_CRM_FEATURE_SET);
data->digest_restart_calc = calculate_operation_digest(data->params_restart,
value);
}
/*!
* \internal
* \brief Create a new digest cache entry with calculated digests
*
* \param[in,out] rsc Resource that action was for
* \param[in] task Name of action performed
* \param[in,out] interval_ms Action's interval (will be reset if in overrides)
* \param[in] node Node action was performed on
* \param[in] xml_op XML of operation in CIB status (if available)
* \param[in] overrides Key/value table to override resource parameters
* \param[in] calc_secure Whether to calculate secure digest
* \param[in,out] scheduler Scheduler data
*
* \return Pointer to new digest cache entry (or NULL on memory error)
* \note It is the caller's responsibility to free the result using
* pe__free_digests().
*/
pcmk__op_digest_t *
pe__calculate_digests(pcmk_resource_t *rsc, const char *task,
guint *interval_ms, const pcmk_node_t *node,
const xmlNode *xml_op, GHashTable *overrides,
bool calc_secure, pcmk_scheduler_t *scheduler)
{
pcmk__op_digest_t *data = NULL;
const char *op_version = NULL;
GHashTable *params = NULL;
CRM_CHECK(scheduler != NULL, return NULL);
data = calloc(1, sizeof(pcmk__op_digest_t));
if (data == NULL) {
pcmk__sched_err("Could not allocate memory for operation digest");
return NULL;
}
data->rc = pcmk__digest_match;
if (xml_op != NULL) {
op_version = crm_element_value(xml_op, PCMK_XA_CRM_FEATURE_SET);
}
if ((op_version == NULL) && (scheduler->input != NULL)) {
op_version = crm_element_value(scheduler->input,
PCMK_XA_CRM_FEATURE_SET);
}
if (op_version == NULL) {
op_version = CRM_FEATURE_SET;
}
params = pe_rsc_params(rsc, node, scheduler);
calculate_main_digest(data, rsc, node, params, task, interval_ms, xml_op,
op_version, overrides, scheduler);
if (calc_secure) {
calculate_secure_digest(data, rsc, params, xml_op, op_version,
overrides);
}
calculate_restart_digest(data, xml_op, op_version);
return data;
}
/*!
* \internal
* \brief Calculate action digests and store in node's digest cache
*
* \param[in,out] rsc Resource that action was for
* \param[in] task Name of action performed
* \param[in] interval_ms Action's interval
* \param[in,out] node Node action was performed on
* \param[in] xml_op XML of operation in CIB status (if available)
* \param[in] calc_secure Whether to calculate secure digest
* \param[in,out] scheduler Scheduler data
*
* \return Pointer to node's digest cache entry
*/
static pcmk__op_digest_t *
rsc_action_digest(pcmk_resource_t *rsc, const char *task, guint interval_ms,
pcmk_node_t *node, const xmlNode *xml_op,
bool calc_secure, pcmk_scheduler_t *scheduler)
{
pcmk__op_digest_t *data = NULL;
char *key = pcmk__op_key(rsc->id, task, interval_ms);
data = g_hash_table_lookup(node->details->digest_cache, key);
if (data == NULL) {
data = pe__calculate_digests(rsc, task, &interval_ms, node, xml_op,
NULL, calc_secure, scheduler);
CRM_ASSERT(data != NULL);
g_hash_table_insert(node->details->digest_cache, strdup(key), data);
}
free(key);
return data;
}
/*!
* \internal
* \brief Calculate operation digests and compare against an XML history entry
*
* \param[in,out] rsc Resource to check
* \param[in] xml_op Resource history XML
* \param[in,out] node Node to use for digest calculation
* \param[in,out] scheduler Scheduler data
*
* \return Pointer to node's digest cache entry, with comparison result set
*/
pcmk__op_digest_t *
rsc_action_digest_cmp(pcmk_resource_t *rsc, const xmlNode *xml_op,
pcmk_node_t *node, pcmk_scheduler_t *scheduler)
{
pcmk__op_digest_t *data = NULL;
guint interval_ms = 0;
const char *op_version;
const char *task = crm_element_value(xml_op, PCMK_XA_OPERATION);
const char *digest_all;
const char *digest_restart;
CRM_ASSERT(node != NULL);
op_version = crm_element_value(xml_op, PCMK_XA_CRM_FEATURE_SET);
digest_all = crm_element_value(xml_op, PCMK__XA_OP_DIGEST);
digest_restart = crm_element_value(xml_op, PCMK__XA_OP_RESTART_DIGEST);
crm_element_value_ms(xml_op, PCMK_META_INTERVAL, &interval_ms);
data = rsc_action_digest(rsc, task, interval_ms, node, xml_op,
pcmk_is_set(scheduler->flags,
pcmk_sched_sanitized),
scheduler);
if (digest_restart && data->digest_restart_calc && strcmp(data->digest_restart_calc, digest_restart) != 0) {
pcmk__rsc_info(rsc,
"Parameters to %ums-interval %s action for %s on %s "
"changed: hash was %s vs. now %s (restart:%s) %s",
interval_ms, task, rsc->id, pcmk__node_name(node),
pcmk__s(digest_restart, "missing"),
data->digest_restart_calc, op_version,
crm_element_value(xml_op, PCMK__XA_TRANSITION_MAGIC));
data->rc = pcmk__digest_restart;
} else if (digest_all == NULL) {
/* it is unknown what the previous op digest was */
data->rc = pcmk__digest_unknown;
} else if (strcmp(digest_all, data->digest_all_calc) != 0) {
/* Given a non-recurring operation with extra parameters configured,
* in case that the main digest doesn't match, even if the restart
* digest matches, enforce a restart rather than a reload-agent anyway.
* So that it ensures any changes of the extra parameters get applied
* for this specific operation, and the digests calculated for the
* resulting PCMK__XE_LRM_RSC_OP will be correct.
* Preserve the implied rc pcmk__digest_restart for the case that the
* main digest doesn't match.
*/
if ((interval_ms == 0) && (data->rc == pcmk__digest_restart)) {
pcmk__rsc_info(rsc,
"Parameters containing extra ones to %ums-interval"
" %s action for %s on %s "
"changed: hash was %s vs. now %s (restart:%s) %s",
interval_ms, task, rsc->id, pcmk__node_name(node),
pcmk__s(digest_all, "missing"),
data->digest_all_calc, op_version,
crm_element_value(xml_op,
PCMK__XA_TRANSITION_MAGIC));
} else {
pcmk__rsc_info(rsc,
"Parameters to %ums-interval %s action for %s on %s "
"changed: hash was %s vs. now %s (%s:%s) %s",
interval_ms, task, rsc->id, pcmk__node_name(node),
pcmk__s(digest_all, "missing"),
data->digest_all_calc,
(interval_ms > 0)? "reschedule" : "reload",
op_version,
crm_element_value(xml_op,
PCMK__XA_TRANSITION_MAGIC));
data->rc = pcmk__digest_mismatch;
}
} else {
data->rc = pcmk__digest_match;
}
return data;
}
/*!
* \internal
* \brief Create an unfencing summary for use in special node attribute
*
* Create a string combining a fence device's resource ID, agent type, and
* parameter digest (whether for all parameters or just non-private parameters).
* This can be stored in a special node attribute, allowing us to detect changes
* in either the agent type or parameters, to know whether unfencing must be
* redone or can be safely skipped when the device's history is cleaned.
*
* \param[in] rsc_id Fence device resource ID
* \param[in] agent_type Fence device agent
* \param[in] param_digest Fence device parameter digest
*
* \return Newly allocated string with unfencing digest
* \note The caller is responsible for freeing the result.
*/
static inline char *
create_unfencing_summary(const char *rsc_id, const char *agent_type,
const char *param_digest)
{
return crm_strdup_printf("%s:%s:%s", rsc_id, agent_type, param_digest);
}
/*!
* \internal
* \brief Check whether a node can skip unfencing
*
* Check whether a fence device's current definition matches a node's
* stored summary of when it was last unfenced by the device.
*
* \param[in] rsc_id Fence device's resource ID
* \param[in] agent Fence device's agent type
* \param[in] digest_calc Fence device's current parameter digest
* \param[in] node_summary Value of node's special unfencing node attribute
* (a comma-separated list of unfencing summaries for
* all devices that have unfenced this node)
*
* \return TRUE if digest matches, FALSE otherwise
*/
static bool
unfencing_digest_matches(const char *rsc_id, const char *agent,
const char *digest_calc, const char *node_summary)
{
bool matches = FALSE;
if (rsc_id && agent && digest_calc && node_summary) {
char *search_secure = create_unfencing_summary(rsc_id, agent,
digest_calc);
/* The digest was calculated including the device ID and agent,
* so there is no risk of collision using strstr().
*/
matches = (strstr(node_summary, search_secure) != NULL);
crm_trace("Calculated unfencing digest '%s' %sfound in '%s'",
search_secure, matches? "" : "not ", node_summary);
free(search_secure);
}
return matches;
}
/* Magic string to use as action name for digest cache entries used for
* unfencing checks. This is not a real action name (i.e. "on"), so
* pcmk__check_action_config() won't confuse these entries with real actions.
*/
#define STONITH_DIGEST_TASK "stonith-on"
/*!
* \internal
* \brief Calculate fence device digests and digest comparison result
*
* \param[in,out] rsc Fence device resource
* \param[in] agent Fence device's agent type
* \param[in,out] node Node with digest cache to use
* \param[in,out] scheduler Scheduler data
*
* \return Node's digest cache entry
*/
pcmk__op_digest_t *
pe__compare_fencing_digest(pcmk_resource_t *rsc, const char *agent,
pcmk_node_t *node, pcmk_scheduler_t *scheduler)
{
const char *node_summary = NULL;
// Calculate device's current parameter digests
pcmk__op_digest_t *data = rsc_action_digest(rsc, STONITH_DIGEST_TASK, 0U,
node, NULL, TRUE, scheduler);
// Check whether node has special unfencing summary node attribute
node_summary = pcmk__node_attr(node, CRM_ATTR_DIGESTS_ALL, NULL,
pcmk__rsc_node_current);
if (node_summary == NULL) {
data->rc = pcmk__digest_unknown;
return data;
}
// Check whether full parameter digest matches
if (unfencing_digest_matches(rsc->id, agent, data->digest_all_calc,
node_summary)) {
data->rc = pcmk__digest_match;
return data;
}
// Check whether secure parameter digest matches
node_summary = pcmk__node_attr(node, CRM_ATTR_DIGESTS_SECURE, NULL,
pcmk__rsc_node_current);
if (unfencing_digest_matches(rsc->id, agent, data->digest_secure_calc,
node_summary)) {
data->rc = pcmk__digest_match;
if (!pcmk__is_daemon && scheduler->priv != NULL) {
pcmk__output_t *out = scheduler->priv;
out->info(out, "Only 'private' parameters to %s "
"for unfencing %s changed", rsc->id,
pcmk__node_name(node));
}
return data;
}
// Parameters don't match
data->rc = pcmk__digest_mismatch;
if (pcmk_is_set(scheduler->flags, pcmk_sched_sanitized)
&& (data->digest_secure_calc != NULL)) {
if (scheduler->priv != NULL) {
pcmk__output_t *out = scheduler->priv;
char *digest = create_unfencing_summary(rsc->id, agent,
data->digest_secure_calc);
out->info(out, "Parameters to %s for unfencing "
"%s changed, try '%s'", rsc->id,
pcmk__node_name(node), digest);
free(digest);
} else if (!pcmk__is_daemon) {
char *digest = create_unfencing_summary(rsc->id, agent,
data->digest_secure_calc);
printf("Parameters to %s for unfencing %s changed, try '%s'\n",
rsc->id, pcmk__node_name(node), digest);
free(digest);
}
}
return data;
}
diff --git a/lib/pengine/pe_output.c b/lib/pengine/pe_output.c
index e9b2aa4f96..1075d70ebb 100644
--- a/lib/pengine/pe_output.c
+++ b/lib/pengine/pe_output.c
@@ -1,3437 +1,3440 @@
/*
* Copyright 2019-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU Lesser General Public License
* version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <stdint.h>
#include <crm/common/xml_internal.h>
#include <crm/common/output.h>
#include <crm/common/scheduler_internal.h>
#include <crm/cib/util.h>
#include <crm/common/xml.h>
#include <crm/pengine/internal.h>
const char *
pe__resource_description(const pcmk_resource_t *rsc, uint32_t show_opts)
{
const char * desc = NULL;
+
// User-supplied description
if (pcmk_any_flags_set(show_opts, pcmk_show_rsc_only|pcmk_show_description)) {
- desc = crm_element_value(rsc->xml, PCMK_XA_DESCRIPTION);
+ desc = crm_element_value(rsc->private->xml, PCMK_XA_DESCRIPTION);
}
return desc;
}
/* Never display node attributes whose name starts with one of these prefixes */
#define FILTER_STR { PCMK__FAIL_COUNT_PREFIX, PCMK__LAST_FAILURE_PREFIX, \
PCMK__NODE_ATTR_SHUTDOWN, PCMK_NODE_ATTR_TERMINATE, \
PCMK_NODE_ATTR_STANDBY, "#", NULL }
static int
compare_attribute(gconstpointer a, gconstpointer b)
{
int rc;
rc = strcmp((const char *)a, (const char *)b);
return rc;
}
/*!
* \internal
* \brief Determine whether extended information about an attribute should be added.
*
* \param[in] node Node that ran this resource
* \param[in,out] rsc_list List of resources for this node
* \param[in,out] scheduler Scheduler data
* \param[in] attrname Attribute to find
* \param[out] expected_score Expected value for this attribute
*
* \return true if extended information should be printed, false otherwise
* \note Currently, extended information is only supported for ping/pingd
* resources, for which a message will be printed if connectivity is lost
* or degraded.
*/
static bool
add_extra_info(const pcmk_node_t *node, GList *rsc_list,
pcmk_scheduler_t *scheduler, const char *attrname,
int *expected_score)
{
GList *gIter = NULL;
for (gIter = rsc_list; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) gIter->data;
const char *type = g_hash_table_lookup(rsc->meta, PCMK_XA_TYPE);
const char *name = NULL;
GHashTable *params = NULL;
if (rsc->children != NULL) {
if (add_extra_info(node, rsc->children, scheduler, attrname,
expected_score)) {
return true;
}
}
if (!pcmk__strcase_any_of(type, "ping", "pingd", NULL)) {
continue;
}
params = pe_rsc_params(rsc, node, scheduler);
name = g_hash_table_lookup(params, PCMK_XA_NAME);
if (name == NULL) {
name = "pingd";
}
/* To identify the resource with the attribute name. */
if (pcmk__str_eq(name, attrname, pcmk__str_casei)) {
int host_list_num = 0;
const char *hosts = g_hash_table_lookup(params, "host_list");
const char *multiplier = g_hash_table_lookup(params, "multiplier");
int multiplier_i;
if (hosts) {
char **host_list = g_strsplit(hosts, " ", 0);
host_list_num = g_strv_length(host_list);
g_strfreev(host_list);
}
if ((multiplier == NULL)
|| (pcmk__scan_min_int(multiplier, &multiplier_i,
INT_MIN) != pcmk_rc_ok)) {
/* The ocf:pacemaker:ping resource agent defaults multiplier to
* 1. The agent currently does not handle invalid text, but it
* should, and this would be a reasonable choice ...
*/
multiplier_i = 1;
}
*expected_score = host_list_num * multiplier_i;
return true;
}
}
return false;
}
static GList *
filter_attr_list(GList *attr_list, char *name)
{
int i;
const char *filt_str[] = FILTER_STR;
CRM_CHECK(name != NULL, return attr_list);
/* filtering automatic attributes */
for (i = 0; filt_str[i] != NULL; i++) {
if (g_str_has_prefix(name, filt_str[i])) {
return attr_list;
}
}
return g_list_insert_sorted(attr_list, name, compare_attribute);
}
static GList *
get_operation_list(xmlNode *rsc_entry) {
GList *op_list = NULL;
xmlNode *rsc_op = NULL;
for (rsc_op = pcmk__xe_first_child(rsc_entry, NULL, NULL, NULL);
rsc_op != NULL; rsc_op = pcmk__xe_next(rsc_op)) {
const char *task = crm_element_value(rsc_op, PCMK_XA_OPERATION);
const char *interval_ms_s = crm_element_value(rsc_op,
PCMK_META_INTERVAL);
const char *op_rc = crm_element_value(rsc_op, PCMK__XA_RC_CODE);
int op_rc_i;
pcmk__scan_min_int(op_rc, &op_rc_i, 0);
/* Display 0-interval monitors as "probe" */
if (pcmk__str_eq(task, PCMK_ACTION_MONITOR, pcmk__str_casei)
&& pcmk__str_eq(interval_ms_s, "0", pcmk__str_null_matches | pcmk__str_casei)) {
task = "probe";
}
/* Ignore notifies and some probes */
if (pcmk__str_eq(task, PCMK_ACTION_NOTIFY, pcmk__str_none)
|| (pcmk__str_eq(task, "probe", pcmk__str_none)
&& (op_rc_i == CRM_EX_NOT_RUNNING))) {
continue;
}
if (pcmk__xe_is(rsc_op, PCMK__XE_LRM_RSC_OP)) {
op_list = g_list_append(op_list, rsc_op);
}
}
op_list = g_list_sort(op_list, sort_op_by_callid);
return op_list;
}
static void
add_dump_node(gpointer key, gpointer value, gpointer user_data)
{
xmlNodePtr node = user_data;
node = pcmk__xe_create(node, (const char *) key);
pcmk__xe_set_content(node, "%s", (const char *) value);
}
static void
append_dump_text(gpointer key, gpointer value, gpointer user_data)
{
char **dump_text = user_data;
char *new_text = crm_strdup_printf("%s %s=%s",
*dump_text, (char *)key, (char *)value);
free(*dump_text);
*dump_text = new_text;
}
#define XPATH_STACK "//" PCMK_XE_NVPAIR \
"[@" PCMK_XA_NAME "='" \
PCMK_OPT_CLUSTER_INFRASTRUCTURE "']"
static const char *
get_cluster_stack(pcmk_scheduler_t *scheduler)
{
xmlNode *stack = get_xpath_object(XPATH_STACK, scheduler->input, LOG_DEBUG);
if (stack != NULL) {
return crm_element_value(stack, PCMK_XA_VALUE);
}
return PCMK_VALUE_UNKNOWN;
}
static char *
last_changed_string(const char *last_written, const char *user,
const char *client, const char *origin) {
if (last_written != NULL || user != NULL || client != NULL || origin != NULL) {
return crm_strdup_printf("%s%s%s%s%s%s%s",
last_written ? last_written : "",
user ? " by " : "",
user ? user : "",
client ? " via " : "",
client ? client : "",
origin ? " on " : "",
origin ? origin : "");
} else {
return strdup("");
}
}
static char *
op_history_string(xmlNode *xml_op, const char *task, const char *interval_ms_s,
int rc, bool print_timing) {
const char *call = crm_element_value(xml_op, PCMK__XA_CALL_ID);
char *interval_str = NULL;
char *buf = NULL;
if (interval_ms_s && !pcmk__str_eq(interval_ms_s, "0", pcmk__str_casei)) {
char *pair = pcmk__format_nvpair(PCMK_XA_INTERVAL, interval_ms_s, "ms");
interval_str = crm_strdup_printf(" %s", pair);
free(pair);
}
if (print_timing) {
char *last_change_str = NULL;
char *exec_str = NULL;
char *queue_str = NULL;
const char *value = NULL;
time_t epoch = 0;
if ((crm_element_value_epoch(xml_op, PCMK_XA_LAST_RC_CHANGE,
&epoch) == pcmk_ok)
&& (epoch > 0)) {
char *epoch_str = pcmk__epoch2str(&epoch, 0);
last_change_str = crm_strdup_printf(" %s=\"%s\"",
PCMK_XA_LAST_RC_CHANGE,
pcmk__s(epoch_str, ""));
free(epoch_str);
}
value = crm_element_value(xml_op, PCMK_XA_EXEC_TIME);
if (value) {
char *pair = pcmk__format_nvpair(PCMK_XA_EXEC_TIME, value, "ms");
exec_str = crm_strdup_printf(" %s", pair);
free(pair);
}
value = crm_element_value(xml_op, PCMK_XA_QUEUE_TIME);
if (value) {
char *pair = pcmk__format_nvpair(PCMK_XA_QUEUE_TIME, value, "ms");
queue_str = crm_strdup_printf(" %s", pair);
free(pair);
}
buf = crm_strdup_printf("(%s) %s:%s%s%s%s rc=%d (%s)", call, task,
interval_str ? interval_str : "",
last_change_str ? last_change_str : "",
exec_str ? exec_str : "",
queue_str ? queue_str : "",
rc, services_ocf_exitcode_str(rc));
if (last_change_str) {
free(last_change_str);
}
if (exec_str) {
free(exec_str);
}
if (queue_str) {
free(queue_str);
}
} else {
buf = crm_strdup_printf("(%s) %s%s%s", call, task,
interval_str ? ":" : "",
interval_str ? interval_str : "");
}
if (interval_str) {
free(interval_str);
}
return buf;
}
static char *
resource_history_string(pcmk_resource_t *rsc, const char *rsc_id, bool all,
int failcount, time_t last_failure) {
char *buf = NULL;
if (rsc == NULL) {
buf = crm_strdup_printf("%s: orphan", rsc_id);
} else if (all || failcount || last_failure > 0) {
char *failcount_s = NULL;
char *lastfail_s = NULL;
if (failcount > 0) {
failcount_s = crm_strdup_printf(" %s=%d",
PCMK_XA_FAIL_COUNT, failcount);
} else {
failcount_s = strdup("");
}
if (last_failure > 0) {
buf = pcmk__epoch2str(&last_failure, 0);
lastfail_s = crm_strdup_printf(" %s='%s'",
PCMK_XA_LAST_FAILURE, buf);
free(buf);
}
buf = crm_strdup_printf("%s: " PCMK_META_MIGRATION_THRESHOLD "=%d%s%s",
rsc_id, rsc->migration_threshold, failcount_s,
lastfail_s? lastfail_s : "");
free(failcount_s);
free(lastfail_s);
} else {
buf = crm_strdup_printf("%s:", rsc_id);
}
return buf;
}
/*!
* \internal
* \brief Get a node's feature set for status display purposes
*
* \param[in] node Node to check
*
* \return String representation of feature set if the node is fully up (using
* "<3.15.1" for older nodes that don't set the #feature-set attribute),
* otherwise NULL
*/
static const char *
get_node_feature_set(const pcmk_node_t *node)
{
if (node->details->online && node->details->expected_up
&& !pcmk__is_pacemaker_remote_node(node)) {
const char *feature_set = g_hash_table_lookup(node->details->attrs,
CRM_ATTR_FEATURE_SET);
/* The feature set attribute is present since 3.15.1. If it is missing,
* then the node must be running an earlier version.
*/
return pcmk__s(feature_set, "<3.15.1");
}
return NULL;
}
static bool
is_mixed_version(pcmk_scheduler_t *scheduler)
{
const char *feature_set = NULL;
for (GList *gIter = scheduler->nodes; gIter != NULL; gIter = gIter->next) {
pcmk_node_t *node = gIter->data;
const char *node_feature_set = get_node_feature_set(node);
if (node_feature_set != NULL) {
if (feature_set == NULL) {
feature_set = node_feature_set;
} else if (strcmp(feature_set, node_feature_set) != 0) {
return true;
}
}
}
return false;
}
static void
formatted_xml_buf(const pcmk_resource_t *rsc, GString *xml_buf, bool raw)
{
if (raw && (rsc->orig_xml != NULL)) {
pcmk__xml_string(rsc->orig_xml, pcmk__xml_fmt_pretty, xml_buf, 0);
} else {
- pcmk__xml_string(rsc->xml, pcmk__xml_fmt_pretty, xml_buf, 0);
+ pcmk__xml_string(rsc->private->xml, pcmk__xml_fmt_pretty, xml_buf, 0);
}
}
#define XPATH_DC_VERSION "//" PCMK_XE_NVPAIR \
"[@" PCMK_XA_NAME "='" PCMK_OPT_DC_VERSION "']"
PCMK__OUTPUT_ARGS("cluster-summary", "pcmk_scheduler_t *",
"enum pcmk_pacemakerd_state", "uint32_t", "uint32_t")
static int
cluster_summary(pcmk__output_t *out, va_list args) {
pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *);
enum pcmk_pacemakerd_state pcmkd_state =
(enum pcmk_pacemakerd_state) va_arg(args, int);
uint32_t section_opts = va_arg(args, uint32_t);
uint32_t show_opts = va_arg(args, uint32_t);
int rc = pcmk_rc_no_output;
const char *stack_s = get_cluster_stack(scheduler);
if (pcmk_is_set(section_opts, pcmk_section_stack)) {
PCMK__OUTPUT_LIST_HEADER(out, false, rc, "Cluster Summary");
out->message(out, "cluster-stack", stack_s, pcmkd_state);
}
if (pcmk_is_set(section_opts, pcmk_section_dc)) {
xmlNode *dc_version = get_xpath_object(XPATH_DC_VERSION,
scheduler->input, LOG_DEBUG);
const char *dc_version_s = dc_version?
crm_element_value(dc_version, PCMK_XA_VALUE)
: NULL;
const char *quorum = crm_element_value(scheduler->input,
PCMK_XA_HAVE_QUORUM);
char *dc_name = scheduler->dc_node? pe__node_display_name(scheduler->dc_node, pcmk_is_set(show_opts, pcmk_show_node_id)) : NULL;
bool mixed_version = is_mixed_version(scheduler);
PCMK__OUTPUT_LIST_HEADER(out, false, rc, "Cluster Summary");
out->message(out, "cluster-dc", scheduler->dc_node, quorum,
dc_version_s, dc_name, mixed_version);
free(dc_name);
}
if (pcmk_is_set(section_opts, pcmk_section_times)) {
const char *last_written = crm_element_value(scheduler->input,
PCMK_XA_CIB_LAST_WRITTEN);
const char *user = crm_element_value(scheduler->input,
PCMK_XA_UPDATE_USER);
const char *client = crm_element_value(scheduler->input,
PCMK_XA_UPDATE_CLIENT);
const char *origin = crm_element_value(scheduler->input,
PCMK_XA_UPDATE_ORIGIN);
PCMK__OUTPUT_LIST_HEADER(out, false, rc, "Cluster Summary");
out->message(out, "cluster-times",
scheduler->localhost, last_written, user, client, origin);
}
if (pcmk_is_set(section_opts, pcmk_section_counts)) {
PCMK__OUTPUT_LIST_HEADER(out, false, rc, "Cluster Summary");
out->message(out, "cluster-counts", g_list_length(scheduler->nodes),
scheduler->ninstances, scheduler->disabled_resources,
scheduler->blocked_resources);
}
if (pcmk_is_set(section_opts, pcmk_section_options)) {
PCMK__OUTPUT_LIST_HEADER(out, false, rc, "Cluster Summary");
out->message(out, "cluster-options", scheduler);
}
PCMK__OUTPUT_LIST_FOOTER(out, rc);
if (pcmk_is_set(section_opts, pcmk_section_maint_mode)) {
if (out->message(out, "maint-mode", scheduler->flags) == pcmk_rc_ok) {
rc = pcmk_rc_ok;
}
}
return rc;
}
PCMK__OUTPUT_ARGS("cluster-summary", "pcmk_scheduler_t *",
"enum pcmk_pacemakerd_state", "uint32_t", "uint32_t")
static int
cluster_summary_html(pcmk__output_t *out, va_list args) {
pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *);
enum pcmk_pacemakerd_state pcmkd_state =
(enum pcmk_pacemakerd_state) va_arg(args, int);
uint32_t section_opts = va_arg(args, uint32_t);
uint32_t show_opts = va_arg(args, uint32_t);
int rc = pcmk_rc_no_output;
const char *stack_s = get_cluster_stack(scheduler);
if (pcmk_is_set(section_opts, pcmk_section_stack)) {
PCMK__OUTPUT_LIST_HEADER(out, false, rc, "Cluster Summary");
out->message(out, "cluster-stack", stack_s, pcmkd_state);
}
/* Always print DC if none, even if not requested */
if ((scheduler->dc_node == NULL)
|| pcmk_is_set(section_opts, pcmk_section_dc)) {
xmlNode *dc_version = get_xpath_object(XPATH_DC_VERSION,
scheduler->input, LOG_DEBUG);
const char *dc_version_s = dc_version?
crm_element_value(dc_version, PCMK_XA_VALUE)
: NULL;
const char *quorum = crm_element_value(scheduler->input,
PCMK_XA_HAVE_QUORUM);
char *dc_name = scheduler->dc_node? pe__node_display_name(scheduler->dc_node, pcmk_is_set(show_opts, pcmk_show_node_id)) : NULL;
bool mixed_version = is_mixed_version(scheduler);
PCMK__OUTPUT_LIST_HEADER(out, false, rc, "Cluster Summary");
out->message(out, "cluster-dc", scheduler->dc_node, quorum,
dc_version_s, dc_name, mixed_version);
free(dc_name);
}
if (pcmk_is_set(section_opts, pcmk_section_times)) {
const char *last_written = crm_element_value(scheduler->input,
PCMK_XA_CIB_LAST_WRITTEN);
const char *user = crm_element_value(scheduler->input,
PCMK_XA_UPDATE_USER);
const char *client = crm_element_value(scheduler->input,
PCMK_XA_UPDATE_CLIENT);
const char *origin = crm_element_value(scheduler->input,
PCMK_XA_UPDATE_ORIGIN);
PCMK__OUTPUT_LIST_HEADER(out, false, rc, "Cluster Summary");
out->message(out, "cluster-times",
scheduler->localhost, last_written, user, client, origin);
}
if (pcmk_is_set(section_opts, pcmk_section_counts)) {
PCMK__OUTPUT_LIST_HEADER(out, false, rc, "Cluster Summary");
out->message(out, "cluster-counts", g_list_length(scheduler->nodes),
scheduler->ninstances, scheduler->disabled_resources,
scheduler->blocked_resources);
}
if (pcmk_is_set(section_opts, pcmk_section_options)) {
/* Kind of a hack - close the list we may have opened earlier in this
* function so we can put all the options into their own list. We
* only want to do this on HTML output, though.
*/
PCMK__OUTPUT_LIST_FOOTER(out, rc);
out->begin_list(out, NULL, NULL, "Config Options");
out->message(out, "cluster-options", scheduler);
}
PCMK__OUTPUT_LIST_FOOTER(out, rc);
if (pcmk_is_set(section_opts, pcmk_section_maint_mode)) {
if (out->message(out, "maint-mode", scheduler->flags) == pcmk_rc_ok) {
rc = pcmk_rc_ok;
}
}
return rc;
}
char *
pe__node_display_name(pcmk_node_t *node, bool print_detail)
{
char *node_name;
const char *node_host = NULL;
const char *node_id = NULL;
int name_len;
CRM_ASSERT((node != NULL) && (node->details != NULL) && (node->details->uname != NULL));
/* Host is displayed only if this is a guest node and detail is requested */
if (print_detail && pcmk__is_guest_or_bundle_node(node)) {
const pcmk_resource_t *container = node->details->remote_rsc->container;
const pcmk_node_t *host_node = pcmk__current_node(container);
if (host_node && host_node->details) {
node_host = host_node->details->uname;
}
if (node_host == NULL) {
node_host = ""; /* so we at least get "uname@" to indicate guest */
}
}
/* Node ID is displayed if different from uname and detail is requested */
if (print_detail && !pcmk__str_eq(node->details->uname, node->details->id, pcmk__str_casei)) {
node_id = node->details->id;
}
/* Determine name length */
name_len = strlen(node->details->uname) + 1;
if (node_host) {
name_len += strlen(node_host) + 1; /* "@node_host" */
}
if (node_id) {
name_len += strlen(node_id) + 3; /* + " (node_id)" */
}
/* Allocate and populate display name */
node_name = pcmk__assert_alloc(name_len, sizeof(char));
strcpy(node_name, node->details->uname);
if (node_host) {
strcat(node_name, "@");
strcat(node_name, node_host);
}
if (node_id) {
strcat(node_name, " (");
strcat(node_name, node_id);
strcat(node_name, ")");
}
return node_name;
}
int
pe__name_and_nvpairs_xml(pcmk__output_t *out, bool is_list, const char *tag_name,
...)
{
xmlNodePtr xml_node = NULL;
va_list pairs;
CRM_ASSERT(tag_name != NULL);
xml_node = pcmk__output_xml_peek_parent(out);
CRM_ASSERT(xml_node != NULL);
xml_node = pcmk__xe_create(xml_node, tag_name);
va_start(pairs, tag_name);
pcmk__xe_set_propv(xml_node, pairs);
va_end(pairs);
if (is_list) {
pcmk__output_xml_push_parent(out, xml_node);
}
return pcmk_rc_ok;
}
static const char *
role_desc(enum rsc_role_e role)
{
if (role == pcmk_role_promoted) {
#ifdef PCMK__COMPAT_2_0
return "as " PCMK__ROLE_PROMOTED_LEGACY " ";
#else
return "in " PCMK_ROLE_PROMOTED " role ";
#endif
}
return "";
}
PCMK__OUTPUT_ARGS("ban", "pcmk_node_t *", "pcmk__location_t *", "uint32_t")
static int
ban_html(pcmk__output_t *out, va_list args) {
pcmk_node_t *pe_node = va_arg(args, pcmk_node_t *);
pcmk__location_t *location = va_arg(args, pcmk__location_t *);
uint32_t show_opts = va_arg(args, uint32_t);
char *node_name = pe__node_display_name(pe_node,
pcmk_is_set(show_opts, pcmk_show_node_id));
char *buf = crm_strdup_printf("%s\tprevents %s from running %son %s",
location->id, location->rsc->id,
role_desc(location->role_filter), node_name);
pcmk__output_create_html_node(out, "li", NULL, NULL, buf);
free(node_name);
free(buf);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("ban", "pcmk_node_t *", "pcmk__location_t *", "uint32_t")
static int
ban_text(pcmk__output_t *out, va_list args) {
pcmk_node_t *pe_node = va_arg(args, pcmk_node_t *);
pcmk__location_t *location = va_arg(args, pcmk__location_t *);
uint32_t show_opts = va_arg(args, uint32_t);
char *node_name = pe__node_display_name(pe_node,
pcmk_is_set(show_opts, pcmk_show_node_id));
out->list_item(out, NULL, "%s\tprevents %s from running %son %s",
location->id, location->rsc->id,
role_desc(location->role_filter), node_name);
free(node_name);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("ban", "pcmk_node_t *", "pcmk__location_t *", "uint32_t")
static int
ban_xml(pcmk__output_t *out, va_list args) {
pcmk_node_t *pe_node = va_arg(args, pcmk_node_t *);
pcmk__location_t *location = va_arg(args, pcmk__location_t *);
uint32_t show_opts G_GNUC_UNUSED = va_arg(args, uint32_t);
const char *promoted_only = pcmk__btoa(location->role_filter == pcmk_role_promoted);
char *weight_s = pcmk__itoa(pe_node->weight);
pcmk__output_create_xml_node(out, PCMK_XE_BAN,
PCMK_XA_ID, location->id,
PCMK_XA_RESOURCE, location->rsc->id,
PCMK_XA_NODE, pe_node->details->uname,
PCMK_XA_WEIGHT, weight_s,
PCMK_XA_PROMOTED_ONLY, promoted_only,
/* This is a deprecated alias for
* promoted_only. Removing it will break
* backward compatibility of the API schema,
* which will require an API schema major
* version bump.
*/
PCMK__XA_PROMOTED_ONLY_LEGACY, promoted_only,
NULL);
free(weight_s);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("ban-list", "pcmk_scheduler_t *", "const char *", "GList *",
"uint32_t", "bool")
static int
ban_list(pcmk__output_t *out, va_list args) {
pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *);
const char *prefix = va_arg(args, const char *);
GList *only_rsc = va_arg(args, GList *);
uint32_t show_opts = va_arg(args, uint32_t);
bool print_spacer = va_arg(args, int);
GList *gIter, *gIter2;
int rc = pcmk_rc_no_output;
/* Print each ban */
for (gIter = scheduler->placement_constraints;
gIter != NULL; gIter = gIter->next) {
pcmk__location_t *location = gIter->data;
const pcmk_resource_t *rsc = location->rsc;
if (prefix != NULL && !g_str_has_prefix(location->id, prefix)) {
continue;
}
if (!pcmk__str_in_list(rsc_printable_id(rsc), only_rsc,
pcmk__str_star_matches)
&& !pcmk__str_in_list(rsc_printable_id(pe__const_top_resource(rsc, false)),
only_rsc, pcmk__str_star_matches)) {
continue;
}
for (gIter2 = location->nodes; gIter2 != NULL; gIter2 = gIter2->next) {
pcmk_node_t *node = (pcmk_node_t *) gIter2->data;
if (node->weight < 0) {
PCMK__OUTPUT_LIST_HEADER(out, print_spacer, rc, "Negative Location Constraints");
out->message(out, "ban", node, location, show_opts);
}
}
}
PCMK__OUTPUT_LIST_FOOTER(out, rc);
return rc;
}
PCMK__OUTPUT_ARGS("cluster-counts", "unsigned int", "int", "int", "int")
static int
cluster_counts_html(pcmk__output_t *out, va_list args) {
unsigned int nnodes = va_arg(args, unsigned int);
int nresources = va_arg(args, int);
int ndisabled = va_arg(args, int);
int nblocked = va_arg(args, int);
xmlNodePtr nodes_node = pcmk__output_create_xml_node(out, "li", NULL);
xmlNodePtr resources_node = pcmk__output_create_xml_node(out, "li", NULL);
xmlNode *child = NULL;
child = pcmk__html_create(nodes_node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, "%d node%s configured",
nnodes, pcmk__plural_s(nnodes));
if (ndisabled && nblocked) {
child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, "%d resource instance%s configured (%d ",
nresources, pcmk__plural_s(nresources), ndisabled);
child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL,
PCMK__VALUE_BOLD);
pcmk__xe_set_content(child, "DISABLED");
child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, ", %d ", nblocked);
child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL,
PCMK__VALUE_BOLD);
pcmk__xe_set_content(child, "BLOCKED");
child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, " from further action due to failure)");
} else if (ndisabled && !nblocked) {
child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, "%d resource instance%s configured (%d ",
nresources, pcmk__plural_s(nresources),
ndisabled);
child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL,
PCMK__VALUE_BOLD);
pcmk__xe_set_content(child, "DISABLED");
child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, ")");
} else if (!ndisabled && nblocked) {
child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, "%d resource instance%s configured (%d ",
nresources, pcmk__plural_s(nresources),
nblocked);
child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL,
PCMK__VALUE_BOLD);
pcmk__xe_set_content(child, "BLOCKED");
child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, " from further action due to failure)");
} else {
child = pcmk__html_create(resources_node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, "%d resource instance%s configured",
nresources, pcmk__plural_s(nresources));
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("cluster-counts", "unsigned int", "int", "int", "int")
static int
cluster_counts_text(pcmk__output_t *out, va_list args) {
unsigned int nnodes = va_arg(args, unsigned int);
int nresources = va_arg(args, int);
int ndisabled = va_arg(args, int);
int nblocked = va_arg(args, int);
out->list_item(out, NULL, "%d node%s configured",
nnodes, pcmk__plural_s(nnodes));
if (ndisabled && nblocked) {
out->list_item(out, NULL, "%d resource instance%s configured "
"(%d DISABLED, %d BLOCKED from "
"further action due to failure)",
nresources, pcmk__plural_s(nresources), ndisabled,
nblocked);
} else if (ndisabled && !nblocked) {
out->list_item(out, NULL, "%d resource instance%s configured "
"(%d DISABLED)",
nresources, pcmk__plural_s(nresources), ndisabled);
} else if (!ndisabled && nblocked) {
out->list_item(out, NULL, "%d resource instance%s configured "
"(%d BLOCKED from further action "
"due to failure)",
nresources, pcmk__plural_s(nresources), nblocked);
} else {
out->list_item(out, NULL, "%d resource instance%s configured",
nresources, pcmk__plural_s(nresources));
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("cluster-counts", "unsigned int", "int", "int", "int")
static int
cluster_counts_xml(pcmk__output_t *out, va_list args) {
unsigned int nnodes = va_arg(args, unsigned int);
int nresources = va_arg(args, int);
int ndisabled = va_arg(args, int);
int nblocked = va_arg(args, int);
xmlNodePtr nodes_node = NULL;
xmlNodePtr resources_node = NULL;
char *s = NULL;
nodes_node = pcmk__output_create_xml_node(out, PCMK_XE_NODES_CONFIGURED,
NULL);
resources_node = pcmk__output_create_xml_node(out,
PCMK_XE_RESOURCES_CONFIGURED,
NULL);
s = pcmk__itoa(nnodes);
crm_xml_add(nodes_node, PCMK_XA_NUMBER, s);
free(s);
s = pcmk__itoa(nresources);
crm_xml_add(resources_node, PCMK_XA_NUMBER, s);
free(s);
s = pcmk__itoa(ndisabled);
crm_xml_add(resources_node, PCMK_XA_DISABLED, s);
free(s);
s = pcmk__itoa(nblocked);
crm_xml_add(resources_node, PCMK_XA_BLOCKED, s);
free(s);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("cluster-dc", "pcmk_node_t *", "const char *", "const char *",
"char *", "int")
static int
cluster_dc_html(pcmk__output_t *out, va_list args) {
pcmk_node_t *dc = va_arg(args, pcmk_node_t *);
const char *quorum = va_arg(args, const char *);
const char *dc_version_s = va_arg(args, const char *);
char *dc_name = va_arg(args, char *);
bool mixed_version = va_arg(args, int);
xmlNodePtr node = pcmk__output_create_xml_node(out, "li", NULL);
xmlNode *child = NULL;
child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, PCMK__VALUE_BOLD);
pcmk__xe_set_content(child, "Current DC: ");
if (dc) {
child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, "%s (version %s) -",
dc_name, pcmk__s(dc_version_s, "unknown"));
if (mixed_version) {
child = pcmk__html_create(node, PCMK__XE_SPAN, NULL,
PCMK__VALUE_WARNING);
pcmk__xe_set_content(child, " MIXED-VERSION");
}
child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, " partition");
if (crm_is_true(quorum)) {
child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, " with");
} else {
child = pcmk__html_create(node, PCMK__XE_SPAN, NULL,
PCMK__VALUE_WARNING);
pcmk__xe_set_content(child, " WITHOUT");
}
child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, " quorum");
} else {
child = pcmk__html_create(node, PCMK__XE_SPAN, NULL,
PCMK__VALUE_WARNING);
pcmk__xe_set_content(child, "NONE");
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("cluster-dc", "pcmk_node_t *", "const char *", "const char *",
"char *", "int")
static int
cluster_dc_text(pcmk__output_t *out, va_list args) {
pcmk_node_t *dc = va_arg(args, pcmk_node_t *);
const char *quorum = va_arg(args, const char *);
const char *dc_version_s = va_arg(args, const char *);
char *dc_name = va_arg(args, char *);
bool mixed_version = va_arg(args, int);
if (dc) {
out->list_item(out, "Current DC",
"%s (version %s) - %spartition %s quorum",
dc_name, dc_version_s ? dc_version_s : "unknown",
mixed_version ? "MIXED-VERSION " : "",
crm_is_true(quorum) ? "with" : "WITHOUT");
} else {
out->list_item(out, "Current DC", "NONE");
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("cluster-dc", "pcmk_node_t *", "const char *", "const char *",
"char *", "int")
static int
cluster_dc_xml(pcmk__output_t *out, va_list args) {
pcmk_node_t *dc = va_arg(args, pcmk_node_t *);
const char *quorum = va_arg(args, const char *);
const char *dc_version_s = va_arg(args, const char *);
char *dc_name G_GNUC_UNUSED = va_arg(args, char *);
bool mixed_version = va_arg(args, int);
if (dc) {
const char *with_quorum = pcmk__btoa(crm_is_true(quorum));
const char *mixed_version_s = pcmk__btoa(mixed_version);
pcmk__output_create_xml_node(out, PCMK_XE_CURRENT_DC,
PCMK_XA_PRESENT, PCMK_VALUE_TRUE,
PCMK_XA_VERSION, pcmk__s(dc_version_s, ""),
PCMK_XA_NAME, dc->details->uname,
PCMK_XA_ID, dc->details->id,
PCMK_XA_WITH_QUORUM, with_quorum,
PCMK_XA_MIXED_VERSION, mixed_version_s,
NULL);
} else {
pcmk__output_create_xml_node(out, PCMK_XE_CURRENT_DC,
PCMK_XA_PRESENT, PCMK_VALUE_FALSE,
NULL);
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("maint-mode", "unsigned long long int")
static int
cluster_maint_mode_text(pcmk__output_t *out, va_list args) {
unsigned long long flags = va_arg(args, unsigned long long);
if (pcmk_is_set(flags, pcmk_sched_in_maintenance)) {
pcmk__formatted_printf(out, "\n *** Resource management is DISABLED ***\n");
pcmk__formatted_printf(out, " The cluster will not attempt to start, stop or recover services\n");
return pcmk_rc_ok;
} else if (pcmk_is_set(flags, pcmk_sched_stop_all)) {
pcmk__formatted_printf(out, "\n *** Resource management is DISABLED ***\n");
pcmk__formatted_printf(out, " The cluster will keep all resources stopped\n");
return pcmk_rc_ok;
} else {
return pcmk_rc_no_output;
}
}
PCMK__OUTPUT_ARGS("cluster-options", "pcmk_scheduler_t *")
static int
cluster_options_html(pcmk__output_t *out, va_list args) {
pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *);
if (pcmk_is_set(scheduler->flags, pcmk_sched_fencing_enabled)) {
out->list_item(out, NULL, "STONITH of failed nodes enabled");
} else {
out->list_item(out, NULL, "STONITH of failed nodes disabled");
}
if (pcmk_is_set(scheduler->flags, pcmk_sched_symmetric_cluster)) {
out->list_item(out, NULL, "Cluster is symmetric");
} else {
out->list_item(out, NULL, "Cluster is asymmetric");
}
switch (scheduler->no_quorum_policy) {
case pcmk_no_quorum_freeze:
out->list_item(out, NULL, "No quorum policy: Freeze resources");
break;
case pcmk_no_quorum_stop:
out->list_item(out, NULL, "No quorum policy: Stop ALL resources");
break;
case pcmk_no_quorum_demote:
out->list_item(out, NULL, "No quorum policy: Demote promotable "
"resources and stop all other resources");
break;
case pcmk_no_quorum_ignore:
out->list_item(out, NULL, "No quorum policy: Ignore");
break;
case pcmk_no_quorum_fence:
out->list_item(out, NULL, "No quorum policy: Suicide");
break;
}
if (pcmk_is_set(scheduler->flags, pcmk_sched_in_maintenance)) {
xmlNodePtr node = pcmk__output_create_xml_node(out, "li", NULL);
xmlNode *child = NULL;
child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, "Resource management: ");
child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, PCMK__VALUE_BOLD);
pcmk__xe_set_content(child, "DISABLED");
child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child,
" (the cluster will not attempt to start, stop,"
" or recover services)");
} else if (pcmk_is_set(scheduler->flags, pcmk_sched_stop_all)) {
xmlNodePtr node = pcmk__output_create_xml_node(out, "li", NULL);
xmlNode *child = NULL;
child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, "Resource management: ");
child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, PCMK__VALUE_BOLD);
pcmk__xe_set_content(child, "STOPPED");
child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child,
" (the cluster will keep all resources stopped)");
} else {
out->list_item(out, NULL, "Resource management: enabled");
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("cluster-options", "pcmk_scheduler_t *")
static int
cluster_options_log(pcmk__output_t *out, va_list args) {
pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *);
if (pcmk_is_set(scheduler->flags, pcmk_sched_in_maintenance)) {
return out->info(out, "Resource management is DISABLED. The cluster will not attempt to start, stop or recover services.");
} else if (pcmk_is_set(scheduler->flags, pcmk_sched_stop_all)) {
return out->info(out, "Resource management is DISABLED. The cluster has stopped all resources.");
} else {
return pcmk_rc_no_output;
}
}
PCMK__OUTPUT_ARGS("cluster-options", "pcmk_scheduler_t *")
static int
cluster_options_text(pcmk__output_t *out, va_list args) {
pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *);
if (pcmk_is_set(scheduler->flags, pcmk_sched_fencing_enabled)) {
out->list_item(out, NULL, "STONITH of failed nodes enabled");
} else {
out->list_item(out, NULL, "STONITH of failed nodes disabled");
}
if (pcmk_is_set(scheduler->flags, pcmk_sched_symmetric_cluster)) {
out->list_item(out, NULL, "Cluster is symmetric");
} else {
out->list_item(out, NULL, "Cluster is asymmetric");
}
switch (scheduler->no_quorum_policy) {
case pcmk_no_quorum_freeze:
out->list_item(out, NULL, "No quorum policy: Freeze resources");
break;
case pcmk_no_quorum_stop:
out->list_item(out, NULL, "No quorum policy: Stop ALL resources");
break;
case pcmk_no_quorum_demote:
out->list_item(out, NULL, "No quorum policy: Demote promotable "
"resources and stop all other resources");
break;
case pcmk_no_quorum_ignore:
out->list_item(out, NULL, "No quorum policy: Ignore");
break;
case pcmk_no_quorum_fence:
out->list_item(out, NULL, "No quorum policy: Suicide");
break;
}
return pcmk_rc_ok;
}
/*!
* \internal
* \brief Get readable string representation of a no-quorum policy
*
* \param[in] policy No-quorum policy
*
* \return String representation of \p policy
*/
static const char *
no_quorum_policy_text(enum pe_quorum_policy policy)
{
switch (policy) {
case pcmk_no_quorum_freeze:
return PCMK_VALUE_FREEZE;
case pcmk_no_quorum_stop:
return PCMK_VALUE_STOP;
case pcmk_no_quorum_demote:
return PCMK_VALUE_DEMOTE;
case pcmk_no_quorum_ignore:
return PCMK_VALUE_IGNORE;
case pcmk_no_quorum_fence:
return PCMK_VALUE_FENCE_LEGACY;
default:
return PCMK_VALUE_UNKNOWN;
}
}
PCMK__OUTPUT_ARGS("cluster-options", "pcmk_scheduler_t *")
static int
cluster_options_xml(pcmk__output_t *out, va_list args) {
pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *);
const char *stonith_enabled = pcmk__flag_text(scheduler->flags,
pcmk_sched_fencing_enabled);
const char *symmetric_cluster =
pcmk__flag_text(scheduler->flags, pcmk_sched_symmetric_cluster);
const char *no_quorum_policy =
no_quorum_policy_text(scheduler->no_quorum_policy);
const char *maintenance_mode = pcmk__flag_text(scheduler->flags,
pcmk_sched_in_maintenance);
const char *stop_all_resources = pcmk__flag_text(scheduler->flags,
pcmk_sched_stop_all);
char *stonith_timeout_ms_s = pcmk__itoa(scheduler->stonith_timeout);
char *priority_fencing_delay_ms_s =
pcmk__itoa(scheduler->priority_fencing_delay * 1000);
pcmk__output_create_xml_node(out, PCMK_XE_CLUSTER_OPTIONS,
PCMK_XA_STONITH_ENABLED, stonith_enabled,
PCMK_XA_SYMMETRIC_CLUSTER, symmetric_cluster,
PCMK_XA_NO_QUORUM_POLICY, no_quorum_policy,
PCMK_XA_MAINTENANCE_MODE, maintenance_mode,
PCMK_XA_STOP_ALL_RESOURCES, stop_all_resources,
PCMK_XA_STONITH_TIMEOUT_MS,
stonith_timeout_ms_s,
PCMK_XA_PRIORITY_FENCING_DELAY_MS,
priority_fencing_delay_ms_s,
NULL);
free(stonith_timeout_ms_s);
free(priority_fencing_delay_ms_s);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("cluster-stack", "const char *", "enum pcmk_pacemakerd_state")
static int
cluster_stack_html(pcmk__output_t *out, va_list args) {
const char *stack_s = va_arg(args, const char *);
enum pcmk_pacemakerd_state pcmkd_state =
(enum pcmk_pacemakerd_state) va_arg(args, int);
xmlNodePtr node = pcmk__output_create_xml_node(out, "li", NULL);
xmlNode *child = NULL;
child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, PCMK__VALUE_BOLD);
pcmk__xe_set_content(child, "Stack: ");
child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, "%s", stack_s);
if (pcmkd_state != pcmk_pacemakerd_state_invalid) {
child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, " (");
child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, "%s",
pcmk__pcmkd_state_enum2friendly(pcmkd_state));
child = pcmk__html_create(node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, ")");
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("cluster-stack", "const char *", "enum pcmk_pacemakerd_state")
static int
cluster_stack_text(pcmk__output_t *out, va_list args) {
const char *stack_s = va_arg(args, const char *);
enum pcmk_pacemakerd_state pcmkd_state =
(enum pcmk_pacemakerd_state) va_arg(args, int);
if (pcmkd_state != pcmk_pacemakerd_state_invalid) {
out->list_item(out, "Stack", "%s (%s)",
stack_s, pcmk__pcmkd_state_enum2friendly(pcmkd_state));
} else {
out->list_item(out, "Stack", "%s", stack_s);
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("cluster-stack", "const char *", "enum pcmk_pacemakerd_state")
static int
cluster_stack_xml(pcmk__output_t *out, va_list args) {
const char *stack_s = va_arg(args, const char *);
enum pcmk_pacemakerd_state pcmkd_state =
(enum pcmk_pacemakerd_state) va_arg(args, int);
const char *state_s = NULL;
if (pcmkd_state != pcmk_pacemakerd_state_invalid) {
state_s = pcmk_pacemakerd_api_daemon_state_enum2text(pcmkd_state);
}
pcmk__output_create_xml_node(out, PCMK_XE_STACK,
PCMK_XA_TYPE, stack_s,
PCMK_XA_PACEMAKERD_STATE, state_s,
NULL);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("cluster-times", "const char *", "const char *",
"const char *", "const char *", "const char *")
static int
cluster_times_html(pcmk__output_t *out, va_list args) {
const char *our_nodename = va_arg(args, const char *);
const char *last_written = va_arg(args, const char *);
const char *user = va_arg(args, const char *);
const char *client = va_arg(args, const char *);
const char *origin = va_arg(args, const char *);
xmlNodePtr updated_node = pcmk__output_create_xml_node(out, "li", NULL);
xmlNodePtr changed_node = pcmk__output_create_xml_node(out, "li", NULL);
xmlNode *child = NULL;
char *time_s = NULL;
child = pcmk__html_create(updated_node, PCMK__XE_SPAN, NULL,
PCMK__VALUE_BOLD);
pcmk__xe_set_content(child, "Last updated: ");
child = pcmk__html_create(updated_node, PCMK__XE_SPAN, NULL, NULL);
time_s = pcmk__epoch2str(NULL, 0);
pcmk__xe_set_content(child, "%s", time_s);
free(time_s);
if (our_nodename != NULL) {
child = pcmk__html_create(updated_node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, " on ");
child = pcmk__html_create(updated_node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, "%s", our_nodename);
}
child = pcmk__html_create(changed_node, PCMK__XE_SPAN, NULL,
PCMK__VALUE_BOLD);
pcmk__xe_set_content(child, "Last change: ");
child = pcmk__html_create(changed_node, PCMK__XE_SPAN, NULL, NULL);
time_s = last_changed_string(last_written, user, client, origin);
pcmk__xe_set_content(child, "%s", time_s);
free(time_s);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("cluster-times", "const char *", "const char *",
"const char *", "const char *", "const char *")
static int
cluster_times_xml(pcmk__output_t *out, va_list args) {
const char *our_nodename = va_arg(args, const char *);
const char *last_written = va_arg(args, const char *);
const char *user = va_arg(args, const char *);
const char *client = va_arg(args, const char *);
const char *origin = va_arg(args, const char *);
char *time_s = pcmk__epoch2str(NULL, 0);
pcmk__output_create_xml_node(out, PCMK_XE_LAST_UPDATE,
PCMK_XA_TIME, time_s,
PCMK_XA_ORIGIN, our_nodename,
NULL);
pcmk__output_create_xml_node(out, PCMK_XE_LAST_CHANGE,
PCMK_XA_TIME, pcmk__s(last_written, ""),
PCMK_XA_USER, pcmk__s(user, ""),
PCMK_XA_CLIENT, pcmk__s(client, ""),
PCMK_XA_ORIGIN, pcmk__s(origin, ""),
NULL);
free(time_s);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("cluster-times", "const char *", "const char *",
"const char *", "const char *", "const char *")
static int
cluster_times_text(pcmk__output_t *out, va_list args) {
const char *our_nodename = va_arg(args, const char *);
const char *last_written = va_arg(args, const char *);
const char *user = va_arg(args, const char *);
const char *client = va_arg(args, const char *);
const char *origin = va_arg(args, const char *);
char *time_s = pcmk__epoch2str(NULL, 0);
out->list_item(out, "Last updated", "%s%s%s",
time_s, (our_nodename != NULL)? " on " : "",
pcmk__s(our_nodename, ""));
free(time_s);
time_s = last_changed_string(last_written, user, client, origin);
out->list_item(out, "Last change", " %s", time_s);
free(time_s);
return pcmk_rc_ok;
}
/*!
* \internal
* \brief Display a failed action in less-technical natural language
*
* \param[in,out] out Output object to use for display
* \param[in] xml_op XML containing failed action
* \param[in] op_key Operation key of failed action
* \param[in] node_name Where failed action occurred
* \param[in] rc OCF exit code of failed action
* \param[in] status Execution status of failed action
* \param[in] exit_reason Exit reason given for failed action
* \param[in] exec_time String containing execution time in milliseconds
*/
static void
failed_action_friendly(pcmk__output_t *out, const xmlNode *xml_op,
const char *op_key, const char *node_name, int rc,
int status, const char *exit_reason,
const char *exec_time)
{
char *rsc_id = NULL;
char *task = NULL;
guint interval_ms = 0;
time_t last_change_epoch = 0;
GString *str = NULL;
if (pcmk__str_empty(op_key)
|| !parse_op_key(op_key, &rsc_id, &task, &interval_ms)) {
pcmk__str_update(&rsc_id, "unknown resource");
pcmk__str_update(&task, "unknown action");
interval_ms = 0;
}
CRM_ASSERT((rsc_id != NULL) && (task != NULL));
str = g_string_sized_new(256); // Should be sufficient for most messages
pcmk__g_strcat(str, rsc_id, " ", NULL);
if (interval_ms != 0) {
pcmk__g_strcat(str, pcmk__readable_interval(interval_ms), "-interval ",
NULL);
}
pcmk__g_strcat(str, pcmk__readable_action(task, interval_ms), " on ",
node_name, NULL);
if (status == PCMK_EXEC_DONE) {
pcmk__g_strcat(str, " returned '", services_ocf_exitcode_str(rc), "'",
NULL);
if (!pcmk__str_empty(exit_reason)) {
pcmk__g_strcat(str, " (", exit_reason, ")", NULL);
}
} else {
pcmk__g_strcat(str, " could not be executed (",
pcmk_exec_status_str(status), NULL);
if (!pcmk__str_empty(exit_reason)) {
pcmk__g_strcat(str, ": ", exit_reason, NULL);
}
g_string_append_c(str, ')');
}
if (crm_element_value_epoch(xml_op, PCMK_XA_LAST_RC_CHANGE,
&last_change_epoch) == pcmk_ok) {
char *s = pcmk__epoch2str(&last_change_epoch, 0);
pcmk__g_strcat(str, " at ", s, NULL);
free(s);
}
if (!pcmk__str_empty(exec_time)) {
int exec_time_ms = 0;
if ((pcmk__scan_min_int(exec_time, &exec_time_ms, 0) == pcmk_rc_ok)
&& (exec_time_ms > 0)) {
pcmk__g_strcat(str, " after ",
pcmk__readable_interval(exec_time_ms), NULL);
}
}
out->list_item(out, NULL, "%s", str->str);
g_string_free(str, TRUE);
free(rsc_id);
free(task);
}
/*!
* \internal
* \brief Display a failed action with technical details
*
* \param[in,out] out Output object to use for display
* \param[in] xml_op XML containing failed action
* \param[in] op_key Operation key of failed action
* \param[in] node_name Where failed action occurred
* \param[in] rc OCF exit code of failed action
* \param[in] status Execution status of failed action
* \param[in] exit_reason Exit reason given for failed action
* \param[in] exec_time String containing execution time in milliseconds
*/
static void
failed_action_technical(pcmk__output_t *out, const xmlNode *xml_op,
const char *op_key, const char *node_name, int rc,
int status, const char *exit_reason,
const char *exec_time)
{
const char *call_id = crm_element_value(xml_op, PCMK__XA_CALL_ID);
const char *queue_time = crm_element_value(xml_op, PCMK_XA_QUEUE_TIME);
const char *exit_status = services_ocf_exitcode_str(rc);
const char *lrm_status = pcmk_exec_status_str(status);
time_t last_change_epoch = 0;
GString *str = NULL;
if (pcmk__str_empty(op_key)) {
op_key = "unknown operation";
}
if (pcmk__str_empty(exit_status)) {
exit_status = "unknown exit status";
}
if (pcmk__str_empty(call_id)) {
call_id = "unknown";
}
str = g_string_sized_new(256);
g_string_append_printf(str, "%s on %s '%s' (%d): call=%s, status='%s'",
op_key, node_name, exit_status, rc, call_id,
lrm_status);
if (!pcmk__str_empty(exit_reason)) {
pcmk__g_strcat(str, ", exitreason='", exit_reason, "'", NULL);
}
if (crm_element_value_epoch(xml_op, PCMK_XA_LAST_RC_CHANGE,
&last_change_epoch) == pcmk_ok) {
char *last_change_str = pcmk__epoch2str(&last_change_epoch, 0);
pcmk__g_strcat(str,
", " PCMK_XA_LAST_RC_CHANGE "="
"'", last_change_str, "'", NULL);
free(last_change_str);
}
if (!pcmk__str_empty(queue_time)) {
pcmk__g_strcat(str, ", queued=", queue_time, "ms", NULL);
}
if (!pcmk__str_empty(exec_time)) {
pcmk__g_strcat(str, ", exec=", exec_time, "ms", NULL);
}
out->list_item(out, NULL, "%s", str->str);
g_string_free(str, TRUE);
}
PCMK__OUTPUT_ARGS("failed-action", "xmlNode *", "uint32_t")
static int
failed_action_default(pcmk__output_t *out, va_list args)
{
xmlNodePtr xml_op = va_arg(args, xmlNodePtr);
uint32_t show_opts = va_arg(args, uint32_t);
const char *op_key = pcmk__xe_history_key(xml_op);
const char *node_name = crm_element_value(xml_op, PCMK_XA_UNAME);
const char *exit_reason = crm_element_value(xml_op, PCMK_XA_EXIT_REASON);
const char *exec_time = crm_element_value(xml_op, PCMK_XA_EXEC_TIME);
int rc;
int status;
pcmk__scan_min_int(crm_element_value(xml_op, PCMK__XA_RC_CODE), &rc, 0);
pcmk__scan_min_int(crm_element_value(xml_op, PCMK__XA_OP_STATUS), &status,
0);
if (pcmk__str_empty(node_name)) {
node_name = "unknown node";
}
if (pcmk_is_set(show_opts, pcmk_show_failed_detail)) {
failed_action_technical(out, xml_op, op_key, node_name, rc, status,
exit_reason, exec_time);
} else {
failed_action_friendly(out, xml_op, op_key, node_name, rc, status,
exit_reason, exec_time);
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("failed-action", "xmlNode *", "uint32_t")
static int
failed_action_xml(pcmk__output_t *out, va_list args) {
xmlNodePtr xml_op = va_arg(args, xmlNodePtr);
uint32_t show_opts G_GNUC_UNUSED = va_arg(args, uint32_t);
const char *op_key = pcmk__xe_history_key(xml_op);
const char *op_key_name = PCMK_XA_OP_KEY;
int rc;
int status;
const char *uname = crm_element_value(xml_op, PCMK_XA_UNAME);
const char *call_id = crm_element_value(xml_op, PCMK__XA_CALL_ID);
const char *exitstatus = NULL;
const char *exit_reason = pcmk__s(crm_element_value(xml_op,
PCMK_XA_EXIT_REASON),
"none");
const char *status_s = NULL;
time_t epoch = 0;
gchar *exit_reason_esc = NULL;
char *rc_s = NULL;
xmlNodePtr node = NULL;
if (pcmk__xml_needs_escape(exit_reason, pcmk__xml_escape_attr)) {
exit_reason_esc = pcmk__xml_escape(exit_reason, pcmk__xml_escape_attr);
exit_reason = exit_reason_esc;
}
pcmk__scan_min_int(crm_element_value(xml_op, PCMK__XA_RC_CODE), &rc, 0);
pcmk__scan_min_int(crm_element_value(xml_op, PCMK__XA_OP_STATUS), &status,
0);
if (crm_element_value(xml_op, PCMK__XA_OPERATION_KEY) == NULL) {
op_key_name = PCMK_XA_ID;
}
exitstatus = services_ocf_exitcode_str(rc);
rc_s = pcmk__itoa(rc);
status_s = pcmk_exec_status_str(status);
node = pcmk__output_create_xml_node(out, PCMK_XE_FAILURE,
op_key_name, op_key,
PCMK_XA_NODE, uname,
PCMK_XA_EXITSTATUS, exitstatus,
PCMK_XA_EXITREASON, exit_reason,
PCMK_XA_EXITCODE, rc_s,
PCMK_XA_CALL, call_id,
PCMK_XA_STATUS, status_s,
NULL);
free(rc_s);
if ((crm_element_value_epoch(xml_op, PCMK_XA_LAST_RC_CHANGE,
&epoch) == pcmk_ok) && (epoch > 0)) {
const char *queue_time = crm_element_value(xml_op, PCMK_XA_QUEUE_TIME);
const char *exec = crm_element_value(xml_op, PCMK_XA_EXEC_TIME);
const char *task = crm_element_value(xml_op, PCMK_XA_OPERATION);
guint interval_ms = 0;
char *interval_ms_s = NULL;
char *rc_change = pcmk__epoch2str(&epoch,
crm_time_log_date
|crm_time_log_timeofday
|crm_time_log_with_timezone);
crm_element_value_ms(xml_op, PCMK_META_INTERVAL, &interval_ms);
interval_ms_s = crm_strdup_printf("%u", interval_ms);
pcmk__xe_set_props(node,
PCMK_XA_LAST_RC_CHANGE, rc_change,
PCMK_XA_QUEUED, queue_time,
PCMK_XA_EXEC, exec,
PCMK_XA_INTERVAL, interval_ms_s,
PCMK_XA_TASK, task,
NULL);
free(interval_ms_s);
free(rc_change);
}
g_free(exit_reason_esc);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("failed-action-list", "pcmk_scheduler_t *", "GList *",
"GList *", "uint32_t", "bool")
static int
failed_action_list(pcmk__output_t *out, va_list args) {
pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *);
GList *only_node = va_arg(args, GList *);
GList *only_rsc = va_arg(args, GList *);
uint32_t show_opts = va_arg(args, uint32_t);
bool print_spacer = va_arg(args, int);
xmlNode *xml_op = NULL;
int rc = pcmk_rc_no_output;
if (xmlChildElementCount(scheduler->failed) == 0) {
return rc;
}
for (xml_op = pcmk__xe_first_child(scheduler->failed, NULL, NULL, NULL);
xml_op != NULL; xml_op = pcmk__xe_next(xml_op)) {
char *rsc = NULL;
if (!pcmk__str_in_list(crm_element_value(xml_op, PCMK_XA_UNAME),
only_node,
pcmk__str_star_matches|pcmk__str_casei)) {
continue;
}
if (pcmk_xe_mask_probe_failure(xml_op)) {
continue;
}
if (!parse_op_key(pcmk__xe_history_key(xml_op), &rsc, NULL, NULL)) {
continue;
}
if (!pcmk__str_in_list(rsc, only_rsc, pcmk__str_star_matches)) {
free(rsc);
continue;
}
free(rsc);
PCMK__OUTPUT_LIST_HEADER(out, print_spacer, rc, "Failed Resource Actions");
out->message(out, "failed-action", xml_op, show_opts);
}
PCMK__OUTPUT_LIST_FOOTER(out, rc);
return rc;
}
static void
status_node(pcmk_node_t *node, xmlNodePtr parent, uint32_t show_opts)
{
int health = pe__node_health(node);
xmlNode *child = NULL;
// Cluster membership
if (node->details->online) {
child = pcmk__html_create(parent, PCMK__XE_SPAN, NULL,
PCMK_VALUE_ONLINE);
pcmk__xe_set_content(child, " online");
} else {
child = pcmk__html_create(parent, PCMK__XE_SPAN, NULL,
PCMK_VALUE_OFFLINE);
pcmk__xe_set_content(child, " OFFLINE");
}
// Standby mode
if (node->details->standby_onfail && (node->details->running_rsc != NULL)) {
child = pcmk__html_create(parent, PCMK__XE_SPAN, NULL,
PCMK_VALUE_STANDBY);
pcmk__xe_set_content(child,
" (in standby due to " PCMK_META_ON_FAIL ","
" with active resources)");
} else if (node->details->standby_onfail) {
child = pcmk__html_create(parent, PCMK__XE_SPAN, NULL,
PCMK_VALUE_STANDBY);
pcmk__xe_set_content(child,
" (in standby due to " PCMK_META_ON_FAIL ")");
} else if (node->details->standby && (node->details->running_rsc != NULL)) {
child = pcmk__html_create(parent, PCMK__XE_SPAN, NULL,
PCMK_VALUE_STANDBY);
pcmk__xe_set_content(child,
" (in standby, with active resources)");
} else if (node->details->standby) {
child = pcmk__html_create(parent, PCMK__XE_SPAN, NULL,
PCMK_VALUE_STANDBY);
pcmk__xe_set_content(child, " (in standby)");
}
// Maintenance mode
if (node->details->maintenance) {
child = pcmk__html_create(parent, PCMK__XE_SPAN, NULL,
PCMK__VALUE_MAINT);
pcmk__xe_set_content(child, " (in maintenance mode)");
}
// Node health
if (health < 0) {
child = pcmk__html_create(parent, PCMK__XE_SPAN, NULL,
PCMK__VALUE_HEALTH_RED);
pcmk__xe_set_content(child, " (health is RED)");
} else if (health == 0) {
child = pcmk__html_create(parent, PCMK__XE_SPAN, NULL,
PCMK__VALUE_HEALTH_YELLOW);
pcmk__xe_set_content(child, " (health is YELLOW)");
}
// Feature set
if (pcmk_is_set(show_opts, pcmk_show_feature_set)) {
const char *feature_set = get_node_feature_set(node);
if (feature_set != NULL) {
child = pcmk__html_create(parent, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, ", feature set %s", feature_set);
}
}
}
PCMK__OUTPUT_ARGS("node", "pcmk_node_t *", "uint32_t", "bool",
"GList *", "GList *")
static int
node_html(pcmk__output_t *out, va_list args) {
pcmk_node_t *node = va_arg(args, pcmk_node_t *);
uint32_t show_opts = va_arg(args, uint32_t);
bool full = va_arg(args, int);
GList *only_node = va_arg(args, GList *);
GList *only_rsc = va_arg(args, GList *);
char *node_name = pe__node_display_name(node, pcmk_is_set(show_opts, pcmk_show_node_id));
if (full) {
xmlNode *item_node = NULL;
xmlNode *child = NULL;
if (pcmk_all_flags_set(show_opts, pcmk_show_brief | pcmk_show_rscs_by_node)) {
GList *rscs = pe__filter_rsc_list(node->details->running_rsc, only_rsc);
out->begin_list(out, NULL, NULL, "%s:", node_name);
item_node = pcmk__output_xml_create_parent(out, "li", NULL);
child = pcmk__html_create(item_node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, "Status:");
status_node(node, item_node, show_opts);
if (rscs != NULL) {
uint32_t new_show_opts = (show_opts | pcmk_show_rsc_only) & ~pcmk_show_inactive_rscs;
out->begin_list(out, NULL, NULL, "Resources");
pe__rscs_brief_output(out, rscs, new_show_opts);
out->end_list(out);
}
pcmk__output_xml_pop_parent(out);
out->end_list(out);
} else if (pcmk_is_set(show_opts, pcmk_show_rscs_by_node)) {
GList *lpc2 = NULL;
int rc = pcmk_rc_no_output;
out->begin_list(out, NULL, NULL, "%s:", node_name);
item_node = pcmk__output_xml_create_parent(out, "li", NULL);
child = pcmk__html_create(item_node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, "Status:");
status_node(node, item_node, show_opts);
for (lpc2 = node->details->running_rsc; lpc2 != NULL; lpc2 = lpc2->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) lpc2->data;
+
PCMK__OUTPUT_LIST_HEADER(out, false, rc, "Resources");
show_opts |= pcmk_show_rsc_only;
- out->message(out, pcmk__map_element_name(rsc->xml), show_opts,
- rsc, only_node, only_rsc);
+ out->message(out, pcmk__map_element_name(rsc->private->xml),
+ show_opts, rsc, only_node, only_rsc);
}
PCMK__OUTPUT_LIST_FOOTER(out, rc);
pcmk__output_xml_pop_parent(out);
out->end_list(out);
} else {
item_node = pcmk__output_create_xml_node(out, "li", NULL);
child = pcmk__html_create(item_node, PCMK__XE_SPAN, NULL,
PCMK__VALUE_BOLD);
pcmk__xe_set_content(child, "%s:", node_name);
status_node(node, item_node, show_opts);
}
} else {
out->begin_list(out, NULL, NULL, "%s:", node_name);
}
free(node_name);
return pcmk_rc_ok;
}
/*!
* \internal
* \brief Get a human-friendly textual description of a node's status
*
* \param[in] node Node to check
*
* \return String representation of node's status
*/
static const char *
node_text_status(const pcmk_node_t *node)
{
if (node->details->unclean) {
if (node->details->online) {
return "UNCLEAN (online)";
} else if (node->details->pending) {
return "UNCLEAN (pending)";
} else {
return "UNCLEAN (offline)";
}
} else if (node->details->pending) {
return "pending";
} else if (node->details->standby_onfail && node->details->online) {
return "standby (" PCMK_META_ON_FAIL ")";
} else if (node->details->standby) {
if (node->details->online) {
if (node->details->running_rsc) {
return "standby (with active resources)";
} else {
return "standby";
}
} else {
return "OFFLINE (standby)";
}
} else if (node->details->maintenance) {
if (node->details->online) {
return "maintenance";
} else {
return "OFFLINE (maintenance)";
}
} else if (node->details->online) {
return "online";
}
return "OFFLINE";
}
PCMK__OUTPUT_ARGS("node", "pcmk_node_t *", "uint32_t", "bool", "GList *",
"GList *")
static int
node_text(pcmk__output_t *out, va_list args) {
pcmk_node_t *node = va_arg(args, pcmk_node_t *);
uint32_t show_opts = va_arg(args, uint32_t);
bool full = va_arg(args, int);
GList *only_node = va_arg(args, GList *);
GList *only_rsc = va_arg(args, GList *);
if (full) {
char *node_name = pe__node_display_name(node, pcmk_is_set(show_opts, pcmk_show_node_id));
GString *str = g_string_sized_new(64);
int health = pe__node_health(node);
// Create a summary line with node type, name, and status
if (pcmk__is_guest_or_bundle_node(node)) {
g_string_append(str, "GuestNode");
} else if (pcmk__is_remote_node(node)) {
g_string_append(str, "RemoteNode");
} else {
g_string_append(str, "Node");
}
pcmk__g_strcat(str, " ", node_name, ": ", node_text_status(node), NULL);
if (health < 0) {
g_string_append(str, " (health is RED)");
} else if (health == 0) {
g_string_append(str, " (health is YELLOW)");
}
if (pcmk_is_set(show_opts, pcmk_show_feature_set)) {
const char *feature_set = get_node_feature_set(node);
if (feature_set != NULL) {
pcmk__g_strcat(str, ", feature set ", feature_set, NULL);
}
}
/* If we're grouping by node, print its resources */
if (pcmk_is_set(show_opts, pcmk_show_rscs_by_node)) {
if (pcmk_is_set(show_opts, pcmk_show_brief)) {
GList *rscs = pe__filter_rsc_list(node->details->running_rsc, only_rsc);
if (rscs != NULL) {
uint32_t new_show_opts = (show_opts | pcmk_show_rsc_only) & ~pcmk_show_inactive_rscs;
out->begin_list(out, NULL, NULL, "%s", str->str);
out->begin_list(out, NULL, NULL, "Resources");
pe__rscs_brief_output(out, rscs, new_show_opts);
out->end_list(out);
out->end_list(out);
g_list_free(rscs);
}
} else {
GList *gIter2 = NULL;
out->begin_list(out, NULL, NULL, "%s", str->str);
out->begin_list(out, NULL, NULL, "Resources");
for (gIter2 = node->details->running_rsc; gIter2 != NULL; gIter2 = gIter2->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) gIter2->data;
show_opts |= pcmk_show_rsc_only;
- out->message(out, pcmk__map_element_name(rsc->xml),
+ out->message(out, pcmk__map_element_name(rsc->private->xml),
show_opts, rsc, only_node, only_rsc);
}
out->end_list(out);
out->end_list(out);
}
} else {
out->list_item(out, NULL, "%s", str->str);
}
g_string_free(str, TRUE);
free(node_name);
} else {
char *node_name = pe__node_display_name(node, pcmk_is_set(show_opts, pcmk_show_node_id));
out->begin_list(out, NULL, NULL, "Node: %s", node_name);
free(node_name);
}
return pcmk_rc_ok;
}
/*!
* \internal
* \brief Convert an integer health value to a string representation
*
* \param[in] health Integer health value
*
* \retval \c PCMK_VALUE_RED if \p health is less than 0
* \retval \c PCMK_VALUE_YELLOW if \p health is equal to 0
* \retval \c PCMK_VALUE_GREEN if \p health is greater than 0
*/
static const char *
health_text(int health)
{
if (health < 0) {
return PCMK_VALUE_RED;
} else if (health == 0) {
return PCMK_VALUE_YELLOW;
} else {
return PCMK_VALUE_GREEN;
}
}
/*!
* \internal
* \brief Convert a node type to a string representation
*
* \param[in] type Node type
*
* \retval \c PCMK_VALUE_MEMBER if \p node_type is \c pcmk_node_variant_cluster
* \retval \c PCMK_VALUE_REMOTE if \p node_type is \c pcmk_node_variant_remote
* \retval \c PCMK__VALUE_PING if \p node_type is \c node_ping
* \retval \c PCMK_VALUE_UNKNOWN otherwise
*/
static const char *
node_type_str(enum node_type type)
{
switch (type) {
case pcmk_node_variant_cluster:
return PCMK_VALUE_MEMBER;
case pcmk_node_variant_remote:
return PCMK_VALUE_REMOTE;
case node_ping:
return PCMK__VALUE_PING;
default:
return PCMK_VALUE_UNKNOWN;
}
}
PCMK__OUTPUT_ARGS("node", "pcmk_node_t *", "uint32_t", "bool", "GList *",
"GList *")
static int
node_xml(pcmk__output_t *out, va_list args) {
pcmk_node_t *node = va_arg(args, pcmk_node_t *);
uint32_t show_opts G_GNUC_UNUSED = va_arg(args, uint32_t);
bool full = va_arg(args, int);
GList *only_node = va_arg(args, GList *);
GList *only_rsc = va_arg(args, GList *);
if (full) {
const char *online = pcmk__btoa(node->details->online);
const char *standby = pcmk__btoa(node->details->standby);
const char *standby_onfail = pcmk__btoa(node->details->standby_onfail);
const char *maintenance = pcmk__btoa(node->details->maintenance);
const char *pending = pcmk__btoa(node->details->pending);
const char *unclean = pcmk__btoa(node->details->unclean);
const char *health = health_text(pe__node_health(node));
const char *feature_set = get_node_feature_set(node);
const char *shutdown = pcmk__btoa(node->details->shutdown);
const char *expected_up = pcmk__btoa(node->details->expected_up);
const char *is_dc = pcmk__btoa(node->details->is_dc);
int length = g_list_length(node->details->running_rsc);
char *resources_running = pcmk__itoa(length);
const char *node_type = node_type_str(node->details->type);
int rc = pcmk_rc_ok;
rc = pe__name_and_nvpairs_xml(out, true, PCMK_XE_NODE,
PCMK_XA_NAME, node->details->uname,
PCMK_XA_ID, node->details->id,
PCMK_XA_ONLINE, online,
PCMK_XA_STANDBY, standby,
PCMK_XA_STANDBY_ONFAIL, standby_onfail,
PCMK_XA_MAINTENANCE, maintenance,
PCMK_XA_PENDING, pending,
PCMK_XA_UNCLEAN, unclean,
PCMK_XA_HEALTH, health,
PCMK_XA_FEATURE_SET, feature_set,
PCMK_XA_SHUTDOWN, shutdown,
PCMK_XA_EXPECTED_UP, expected_up,
PCMK_XA_IS_DC, is_dc,
PCMK_XA_RESOURCES_RUNNING, resources_running,
PCMK_XA_TYPE, node_type,
NULL);
free(resources_running);
CRM_ASSERT(rc == pcmk_rc_ok);
if (pcmk__is_guest_or_bundle_node(node)) {
xmlNodePtr xml_node = pcmk__output_xml_peek_parent(out);
crm_xml_add(xml_node, PCMK_XA_ID_AS_RESOURCE,
node->details->remote_rsc->container->id);
}
if (pcmk_is_set(show_opts, pcmk_show_rscs_by_node)) {
GList *lpc = NULL;
for (lpc = node->details->running_rsc; lpc != NULL; lpc = lpc->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) lpc->data;
show_opts |= pcmk_show_rsc_only;
- out->message(out, pcmk__map_element_name(rsc->xml), show_opts,
- rsc, only_node, only_rsc);
+ out->message(out, pcmk__map_element_name(rsc->private->xml),
+ show_opts, rsc, only_node, only_rsc);
}
}
out->end_list(out);
} else {
pcmk__output_xml_create_parent(out, PCMK_XE_NODE,
PCMK_XA_NAME, node->details->uname,
NULL);
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("node-attribute", "const char *", "const char *", "bool", "int")
static int
node_attribute_text(pcmk__output_t *out, va_list args) {
const char *name = va_arg(args, const char *);
const char *value = va_arg(args, const char *);
bool add_extra = va_arg(args, int);
int expected_score = va_arg(args, int);
if (add_extra) {
int v;
if (value == NULL) {
v = 0;
} else {
pcmk__scan_min_int(value, &v, INT_MIN);
}
if (v <= 0) {
out->list_item(out, NULL, "%-32s\t: %-10s\t: Connectivity is lost", name, value);
} else if (v < expected_score) {
out->list_item(out, NULL, "%-32s\t: %-10s\t: Connectivity is degraded (Expected=%d)", name, value, expected_score);
} else {
out->list_item(out, NULL, "%-32s\t: %-10s", name, value);
}
} else {
out->list_item(out, NULL, "%-32s\t: %-10s", name, value);
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("node-attribute", "const char *", "const char *", "bool", "int")
static int
node_attribute_html(pcmk__output_t *out, va_list args) {
const char *name = va_arg(args, const char *);
const char *value = va_arg(args, const char *);
bool add_extra = va_arg(args, int);
int expected_score = va_arg(args, int);
if (add_extra) {
int v = 0;
xmlNodePtr item_node = pcmk__output_create_xml_node(out, "li", NULL);
xmlNode *child = NULL;
if (value != NULL) {
pcmk__scan_min_int(value, &v, INT_MIN);
}
child = pcmk__html_create(item_node, PCMK__XE_SPAN, NULL, NULL);
pcmk__xe_set_content(child, "%s: %s", name, value);
if (v <= 0) {
child = pcmk__html_create(item_node, PCMK__XE_SPAN, NULL,
PCMK__VALUE_BOLD);
pcmk__xe_set_content(child, "(connectivity is lost)");
} else if (v < expected_score) {
child = pcmk__html_create(item_node, PCMK__XE_SPAN, NULL,
PCMK__VALUE_BOLD);
pcmk__xe_set_content(child,
"(connectivity is degraded -- expected %d)",
expected_score);
}
} else {
out->list_item(out, NULL, "%s: %s", name, value);
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("node-and-op", "pcmk_scheduler_t *", "xmlNode *")
static int
node_and_op(pcmk__output_t *out, va_list args) {
pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *);
xmlNodePtr xml_op = va_arg(args, xmlNodePtr);
pcmk_resource_t *rsc = NULL;
gchar *node_str = NULL;
char *last_change_str = NULL;
const char *op_rsc = crm_element_value(xml_op, PCMK_XA_RESOURCE);
int status;
time_t last_change = 0;
pcmk__scan_min_int(crm_element_value(xml_op, PCMK__XA_OP_STATUS), &status,
PCMK_EXEC_UNKNOWN);
rsc = pe_find_resource(scheduler->resources, op_rsc);
if (rsc) {
const pcmk_node_t *node = pcmk__current_node(rsc);
const char *target_role = g_hash_table_lookup(rsc->meta,
PCMK_META_TARGET_ROLE);
uint32_t show_opts = pcmk_show_rsc_only | pcmk_show_pending;
if (node == NULL) {
node = rsc->pending_node;
}
node_str = pcmk__native_output_string(rsc, rsc_printable_id(rsc), node,
show_opts, target_role, false);
} else {
node_str = crm_strdup_printf("Unknown resource %s", op_rsc);
}
if (crm_element_value_epoch(xml_op, PCMK_XA_LAST_RC_CHANGE,
&last_change) == pcmk_ok) {
const char *exec_time = crm_element_value(xml_op, PCMK_XA_EXEC_TIME);
last_change_str = crm_strdup_printf(", %s='%s', exec=%sms",
PCMK_XA_LAST_RC_CHANGE,
pcmk__trim(ctime(&last_change)),
exec_time);
}
out->list_item(out, NULL, "%s: %s (node=%s, call=%s, rc=%s%s): %s",
node_str, pcmk__xe_history_key(xml_op),
crm_element_value(xml_op, PCMK_XA_UNAME),
crm_element_value(xml_op, PCMK__XA_CALL_ID),
crm_element_value(xml_op, PCMK__XA_RC_CODE),
last_change_str ? last_change_str : "",
pcmk_exec_status_str(status));
g_free(node_str);
free(last_change_str);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("node-and-op", "pcmk_scheduler_t *", "xmlNode *")
static int
node_and_op_xml(pcmk__output_t *out, va_list args) {
pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *);
xmlNodePtr xml_op = va_arg(args, xmlNodePtr);
pcmk_resource_t *rsc = NULL;
const char *uname = crm_element_value(xml_op, PCMK_XA_UNAME);
const char *call_id = crm_element_value(xml_op, PCMK__XA_CALL_ID);
const char *rc_s = crm_element_value(xml_op, PCMK__XA_RC_CODE);
const char *status_s = NULL;
const char *op_rsc = crm_element_value(xml_op, PCMK_XA_RESOURCE);
int status;
time_t last_change = 0;
xmlNode *node = NULL;
pcmk__scan_min_int(crm_element_value(xml_op, PCMK__XA_OP_STATUS),
&status, PCMK_EXEC_UNKNOWN);
status_s = pcmk_exec_status_str(status);
node = pcmk__output_create_xml_node(out, PCMK_XE_OPERATION,
PCMK_XA_OP, pcmk__xe_history_key(xml_op),
PCMK_XA_NODE, uname,
PCMK_XA_CALL, call_id,
PCMK_XA_RC, rc_s,
PCMK_XA_STATUS, status_s,
NULL);
rsc = pe_find_resource(scheduler->resources, op_rsc);
if (rsc) {
- const char *class = crm_element_value(rsc->xml, PCMK_XA_CLASS);
- const char *provider = crm_element_value(rsc->xml, PCMK_XA_PROVIDER);
- const char *kind = crm_element_value(rsc->xml, PCMK_XA_TYPE);
+ const char *class = crm_element_value(rsc->private->xml, PCMK_XA_CLASS);
+ const char *provider = crm_element_value(rsc->private->xml,
+ PCMK_XA_PROVIDER);
+ const char *kind = crm_element_value(rsc->private->xml, PCMK_XA_TYPE);
bool has_provider = pcmk_is_set(pcmk_get_ra_caps(class),
pcmk_ra_cap_provider);
char *agent_tuple = crm_strdup_printf("%s:%s:%s",
class,
(has_provider? provider : ""),
kind);
pcmk__xe_set_props(node,
PCMK_XA_RSC, rsc_printable_id(rsc),
PCMK_XA_AGENT, agent_tuple,
NULL);
free(agent_tuple);
}
if (crm_element_value_epoch(xml_op, PCMK_XA_LAST_RC_CHANGE,
&last_change) == pcmk_ok) {
const char *last_rc_change = pcmk__trim(ctime(&last_change));
const char *exec_time = crm_element_value(xml_op, PCMK_XA_EXEC_TIME);
pcmk__xe_set_props(node,
PCMK_XA_LAST_RC_CHANGE, last_rc_change,
PCMK_XA_EXEC_TIME, exec_time,
NULL);
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("node-attribute", "const char *", "const char *", "bool", "int")
static int
node_attribute_xml(pcmk__output_t *out, va_list args) {
const char *name = va_arg(args, const char *);
const char *value = va_arg(args, const char *);
bool add_extra = va_arg(args, int);
int expected_score = va_arg(args, int);
xmlNodePtr node = pcmk__output_create_xml_node(out, PCMK_XE_ATTRIBUTE,
PCMK_XA_NAME, name,
PCMK_XA_VALUE, value,
NULL);
if (add_extra) {
char *buf = pcmk__itoa(expected_score);
crm_xml_add(node, PCMK_XA_EXPECTED, buf);
free(buf);
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("node-attribute-list", "pcmk_scheduler_t *", "uint32_t",
"bool", "GList *", "GList *")
static int
node_attribute_list(pcmk__output_t *out, va_list args) {
pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *);
uint32_t show_opts = va_arg(args, uint32_t);
bool print_spacer = va_arg(args, int);
GList *only_node = va_arg(args, GList *);
GList *only_rsc = va_arg(args, GList *);
int rc = pcmk_rc_no_output;
/* Display each node's attributes */
for (GList *gIter = scheduler->nodes; gIter != NULL; gIter = gIter->next) {
pcmk_node_t *node = gIter->data;
GList *attr_list = NULL;
GHashTableIter iter;
gpointer key;
if (!node || !node->details || !node->details->online) {
continue;
}
g_hash_table_iter_init(&iter, node->details->attrs);
while (g_hash_table_iter_next (&iter, &key, NULL)) {
attr_list = filter_attr_list(attr_list, key);
}
if (attr_list == NULL) {
continue;
}
if (!pcmk__str_in_list(node->details->uname, only_node, pcmk__str_star_matches|pcmk__str_casei)) {
g_list_free(attr_list);
continue;
}
PCMK__OUTPUT_LIST_HEADER(out, print_spacer, rc, "Node Attributes");
out->message(out, "node", node, show_opts, false, only_node, only_rsc);
for (GList *aIter = attr_list; aIter != NULL; aIter = aIter->next) {
const char *name = aIter->data;
const char *value = NULL;
int expected_score = 0;
bool add_extra = false;
value = pcmk__node_attr(node, name, NULL, pcmk__rsc_node_current);
add_extra = add_extra_info(node, node->details->running_rsc,
scheduler, name, &expected_score);
/* Print attribute name and value */
out->message(out, "node-attribute", name, value, add_extra,
expected_score);
}
g_list_free(attr_list);
out->end_list(out);
}
PCMK__OUTPUT_LIST_FOOTER(out, rc);
return rc;
}
PCMK__OUTPUT_ARGS("node-capacity", "const pcmk_node_t *", "const char *")
static int
node_capacity(pcmk__output_t *out, va_list args)
{
const pcmk_node_t *node = va_arg(args, pcmk_node_t *);
const char *comment = va_arg(args, const char *);
char *dump_text = crm_strdup_printf("%s: %s capacity:",
comment, pcmk__node_name(node));
g_hash_table_foreach(node->details->utilization, append_dump_text, &dump_text);
out->list_item(out, NULL, "%s", dump_text);
free(dump_text);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("node-capacity", "const pcmk_node_t *", "const char *")
static int
node_capacity_xml(pcmk__output_t *out, va_list args)
{
const pcmk_node_t *node = va_arg(args, pcmk_node_t *);
const char *uname = node->details->uname;
const char *comment = va_arg(args, const char *);
xmlNodePtr xml_node = pcmk__output_create_xml_node(out, PCMK_XE_CAPACITY,
PCMK_XA_NODE, uname,
PCMK_XA_COMMENT, comment,
NULL);
g_hash_table_foreach(node->details->utilization, add_dump_node, xml_node);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("node-history-list", "pcmk_scheduler_t *", "pcmk_node_t *",
"xmlNode *", "GList *", "GList *", "uint32_t", "uint32_t")
static int
node_history_list(pcmk__output_t *out, va_list args) {
pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *);
pcmk_node_t *node = va_arg(args, pcmk_node_t *);
xmlNode *node_state = va_arg(args, xmlNode *);
GList *only_node = va_arg(args, GList *);
GList *only_rsc = va_arg(args, GList *);
uint32_t section_opts = va_arg(args, uint32_t);
uint32_t show_opts = va_arg(args, uint32_t);
xmlNode *lrm_rsc = NULL;
xmlNode *rsc_entry = NULL;
int rc = pcmk_rc_no_output;
lrm_rsc = pcmk__xe_first_child(node_state, PCMK__XE_LRM, NULL, NULL);
lrm_rsc = pcmk__xe_first_child(lrm_rsc, PCMK__XE_LRM_RESOURCES, NULL, NULL);
/* Print history of each of the node's resources */
for (rsc_entry = pcmk__xe_first_child(lrm_rsc, PCMK__XE_LRM_RESOURCE, NULL,
NULL);
rsc_entry != NULL; rsc_entry = pcmk__xe_next_same(rsc_entry)) {
const char *rsc_id = crm_element_value(rsc_entry, PCMK_XA_ID);
pcmk_resource_t *rsc = pe_find_resource(scheduler->resources, rsc_id);
const pcmk_resource_t *parent = pe__const_top_resource(rsc, false);
/* We can't use is_filtered here to filter group resources. For is_filtered,
* we have to decide whether to check the parent or not. If we check the
* parent, all elements of a group will always be printed because that's how
* is_filtered works for groups. If we do not check the parent, sometimes
* this will filter everything out.
*
* For other resource types, is_filtered is okay.
*/
if (pcmk__is_group(parent)) {
if (!pcmk__str_in_list(rsc_printable_id(rsc), only_rsc,
pcmk__str_star_matches)
&& !pcmk__str_in_list(rsc_printable_id(parent), only_rsc,
pcmk__str_star_matches)) {
continue;
}
} else if (rsc->private->fns->is_filtered(rsc, only_rsc, TRUE)) {
continue;
}
if (!pcmk_is_set(section_opts, pcmk_section_operations)) {
time_t last_failure = 0;
int failcount = pe_get_failcount(node, rsc, &last_failure,
pcmk__fc_default, NULL);
if (failcount <= 0) {
continue;
}
if (rc == pcmk_rc_no_output) {
rc = pcmk_rc_ok;
out->message(out, "node", node, show_opts, false, only_node,
only_rsc);
}
out->message(out, "resource-history", rsc, rsc_id, false,
failcount, last_failure, false);
} else {
GList *op_list = get_operation_list(rsc_entry);
pcmk_resource_t *rsc = NULL;
if (op_list == NULL) {
continue;
}
rsc = pe_find_resource(scheduler->resources,
crm_element_value(rsc_entry, PCMK_XA_ID));
if (rc == pcmk_rc_no_output) {
rc = pcmk_rc_ok;
out->message(out, "node", node, show_opts, false, only_node,
only_rsc);
}
out->message(out, "resource-operation-list", scheduler, rsc, node,
op_list, show_opts);
}
}
PCMK__OUTPUT_LIST_FOOTER(out, rc);
return rc;
}
PCMK__OUTPUT_ARGS("node-list", "GList *", "GList *", "GList *", "uint32_t", "bool")
static int
node_list_html(pcmk__output_t *out, va_list args) {
GList *nodes = va_arg(args, GList *);
GList *only_node = va_arg(args, GList *);
GList *only_rsc = va_arg(args, GList *);
uint32_t show_opts = va_arg(args, uint32_t);
bool print_spacer G_GNUC_UNUSED = va_arg(args, int);
int rc = pcmk_rc_no_output;
for (GList *gIter = nodes; gIter != NULL; gIter = gIter->next) {
pcmk_node_t *node = (pcmk_node_t *) gIter->data;
if (!pcmk__str_in_list(node->details->uname, only_node,
pcmk__str_star_matches|pcmk__str_casei)) {
continue;
}
PCMK__OUTPUT_LIST_HEADER(out, false, rc, "Node List");
out->message(out, "node", node, show_opts, true, only_node, only_rsc);
}
PCMK__OUTPUT_LIST_FOOTER(out, rc);
return rc;
}
PCMK__OUTPUT_ARGS("node-list", "GList *", "GList *", "GList *", "uint32_t", "bool")
static int
node_list_text(pcmk__output_t *out, va_list args) {
GList *nodes = va_arg(args, GList *);
GList *only_node = va_arg(args, GList *);
GList *only_rsc = va_arg(args, GList *);
uint32_t show_opts = va_arg(args, uint32_t);
bool print_spacer = va_arg(args, int);
/* space-separated lists of node names */
GString *online_nodes = NULL;
GString *online_remote_nodes = NULL;
GString *online_guest_nodes = NULL;
GString *offline_nodes = NULL;
GString *offline_remote_nodes = NULL;
int rc = pcmk_rc_no_output;
for (GList *gIter = nodes; gIter != NULL; gIter = gIter->next) {
pcmk_node_t *node = (pcmk_node_t *) gIter->data;
char *node_name = pe__node_display_name(node, pcmk_is_set(show_opts, pcmk_show_node_id));
if (!pcmk__str_in_list(node->details->uname, only_node,
pcmk__str_star_matches|pcmk__str_casei)) {
free(node_name);
continue;
}
PCMK__OUTPUT_LIST_HEADER(out, print_spacer, rc, "Node List");
// Determine whether to display node individually or in a list
if (node->details->unclean || node->details->pending
|| (node->details->standby_onfail && node->details->online)
|| node->details->standby || node->details->maintenance
|| pcmk_is_set(show_opts, pcmk_show_rscs_by_node)
|| pcmk_is_set(show_opts, pcmk_show_feature_set)
|| (pe__node_health(node) <= 0)) {
// Display node individually
} else if (node->details->online) {
// Display online node in a list
if (pcmk__is_guest_or_bundle_node(node)) {
pcmk__add_word(&online_guest_nodes, 1024, node_name);
} else if (pcmk__is_remote_node(node)) {
pcmk__add_word(&online_remote_nodes, 1024, node_name);
} else {
pcmk__add_word(&online_nodes, 1024, node_name);
}
free(node_name);
continue;
} else {
// Display offline node in a list
if (pcmk__is_remote_node(node)) {
pcmk__add_word(&offline_remote_nodes, 1024, node_name);
} else if (pcmk__is_guest_or_bundle_node(node)) {
/* ignore offline guest nodes */
} else {
pcmk__add_word(&offline_nodes, 1024, node_name);
}
free(node_name);
continue;
}
/* If we get here, node is in bad state, or we're grouping by node */
out->message(out, "node", node, show_opts, true, only_node, only_rsc);
free(node_name);
}
/* If we're not grouping by node, summarize nodes by status */
if (online_nodes != NULL) {
out->list_item(out, "Online", "[ %s ]",
(const char *) online_nodes->str);
g_string_free(online_nodes, TRUE);
}
if (offline_nodes != NULL) {
out->list_item(out, "OFFLINE", "[ %s ]",
(const char *) offline_nodes->str);
g_string_free(offline_nodes, TRUE);
}
if (online_remote_nodes) {
out->list_item(out, "RemoteOnline", "[ %s ]",
(const char *) online_remote_nodes->str);
g_string_free(online_remote_nodes, TRUE);
}
if (offline_remote_nodes) {
out->list_item(out, "RemoteOFFLINE", "[ %s ]",
(const char *) offline_remote_nodes->str);
g_string_free(offline_remote_nodes, TRUE);
}
if (online_guest_nodes != NULL) {
out->list_item(out, "GuestOnline", "[ %s ]",
(const char *) online_guest_nodes->str);
g_string_free(online_guest_nodes, TRUE);
}
PCMK__OUTPUT_LIST_FOOTER(out, rc);
return rc;
}
PCMK__OUTPUT_ARGS("node-list", "GList *", "GList *", "GList *", "uint32_t", "bool")
static int
node_list_xml(pcmk__output_t *out, va_list args) {
GList *nodes = va_arg(args, GList *);
GList *only_node = va_arg(args, GList *);
GList *only_rsc = va_arg(args, GList *);
uint32_t show_opts = va_arg(args, uint32_t);
bool print_spacer G_GNUC_UNUSED = va_arg(args, int);
/* PCMK_XE_NODES acts as the list's element name for CLI tools that use
* pcmk__output_enable_list_element. Otherwise PCMK_XE_NODES is the
* value of the list's PCMK_XA_NAME attribute.
*/
out->begin_list(out, NULL, NULL, PCMK_XE_NODES);
for (GList *gIter = nodes; gIter != NULL; gIter = gIter->next) {
pcmk_node_t *node = (pcmk_node_t *) gIter->data;
if (!pcmk__str_in_list(node->details->uname, only_node,
pcmk__str_star_matches|pcmk__str_casei)) {
continue;
}
out->message(out, "node", node, show_opts, true, only_node, only_rsc);
}
out->end_list(out);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("node-summary", "pcmk_scheduler_t *", "GList *", "GList *",
"uint32_t", "uint32_t", "bool")
static int
node_summary(pcmk__output_t *out, va_list args) {
pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *);
GList *only_node = va_arg(args, GList *);
GList *only_rsc = va_arg(args, GList *);
uint32_t section_opts = va_arg(args, uint32_t);
uint32_t show_opts = va_arg(args, uint32_t);
bool print_spacer = va_arg(args, int);
xmlNode *node_state = NULL;
xmlNode *cib_status = pcmk_find_cib_element(scheduler->input,
PCMK_XE_STATUS);
int rc = pcmk_rc_no_output;
if (xmlChildElementCount(cib_status) == 0) {
return rc;
}
for (node_state = pcmk__xe_first_child(cib_status, PCMK__XE_NODE_STATE,
NULL, NULL);
node_state != NULL; node_state = pcmk__xe_next_same(node_state)) {
pcmk_node_t *node = pe_find_node_id(scheduler->nodes,
pcmk__xe_id(node_state));
if (!node || !node->details || !node->details->online) {
continue;
}
if (!pcmk__str_in_list(node->details->uname, only_node,
pcmk__str_star_matches|pcmk__str_casei)) {
continue;
}
PCMK__OUTPUT_LIST_HEADER(out, print_spacer, rc,
pcmk_is_set(section_opts, pcmk_section_operations) ? "Operations" : "Migration Summary");
out->message(out, "node-history-list", scheduler, node, node_state,
only_node, only_rsc, section_opts, show_opts);
}
PCMK__OUTPUT_LIST_FOOTER(out, rc);
return rc;
}
PCMK__OUTPUT_ARGS("node-weight", "const pcmk_resource_t *", "const char *",
"const char *", "const char *")
static int
node_weight(pcmk__output_t *out, va_list args)
{
const pcmk_resource_t *rsc = va_arg(args, const pcmk_resource_t *);
const char *prefix = va_arg(args, const char *);
const char *uname = va_arg(args, const char *);
const char *score = va_arg(args, const char *);
if (rsc) {
out->list_item(out, NULL, "%s: %s allocation score on %s: %s",
prefix, rsc->id, uname, score);
} else {
out->list_item(out, NULL, "%s: %s = %s", prefix, uname, score);
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("node-weight", "const pcmk_resource_t *", "const char *",
"const char *", "const char *")
static int
node_weight_xml(pcmk__output_t *out, va_list args)
{
const pcmk_resource_t *rsc = va_arg(args, const pcmk_resource_t *);
const char *prefix = va_arg(args, const char *);
const char *uname = va_arg(args, const char *);
const char *score = va_arg(args, const char *);
xmlNodePtr node = pcmk__output_create_xml_node(out, PCMK_XE_NODE_WEIGHT,
PCMK_XA_FUNCTION, prefix,
PCMK_XA_NODE, uname,
PCMK_XA_SCORE, score,
NULL);
if (rsc) {
crm_xml_add(node, PCMK_XA_ID, rsc->id);
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("op-history", "xmlNode *", "const char *", "const char *", "int", "uint32_t")
static int
op_history_text(pcmk__output_t *out, va_list args) {
xmlNodePtr xml_op = va_arg(args, xmlNodePtr);
const char *task = va_arg(args, const char *);
const char *interval_ms_s = va_arg(args, const char *);
int rc = va_arg(args, int);
uint32_t show_opts = va_arg(args, uint32_t);
char *buf = op_history_string(xml_op, task, interval_ms_s, rc,
pcmk_is_set(show_opts, pcmk_show_timing));
out->list_item(out, NULL, "%s", buf);
free(buf);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("op-history", "xmlNode *", "const char *", "const char *", "int", "uint32_t")
static int
op_history_xml(pcmk__output_t *out, va_list args) {
xmlNodePtr xml_op = va_arg(args, xmlNodePtr);
const char *task = va_arg(args, const char *);
const char *interval_ms_s = va_arg(args, const char *);
int rc = va_arg(args, int);
uint32_t show_opts = va_arg(args, uint32_t);
const char *call_id = crm_element_value(xml_op, PCMK__XA_CALL_ID);
char *rc_s = pcmk__itoa(rc);
const char *rc_text = services_ocf_exitcode_str(rc);
xmlNodePtr node = NULL;
node = pcmk__output_create_xml_node(out, PCMK_XE_OPERATION_HISTORY,
PCMK_XA_CALL, call_id,
PCMK_XA_TASK, task,
PCMK_XA_RC, rc_s,
PCMK_XA_RC_TEXT, rc_text,
NULL);
free(rc_s);
if (interval_ms_s && !pcmk__str_eq(interval_ms_s, "0", pcmk__str_casei)) {
char *s = crm_strdup_printf("%sms", interval_ms_s);
crm_xml_add(node, PCMK_XA_INTERVAL, s);
free(s);
}
if (pcmk_is_set(show_opts, pcmk_show_timing)) {
const char *value = NULL;
time_t epoch = 0;
if ((crm_element_value_epoch(xml_op, PCMK_XA_LAST_RC_CHANGE,
&epoch) == pcmk_ok) && (epoch > 0)) {
char *s = pcmk__epoch2str(&epoch, 0);
crm_xml_add(node, PCMK_XA_LAST_RC_CHANGE, s);
free(s);
}
value = crm_element_value(xml_op, PCMK_XA_EXEC_TIME);
if (value) {
char *s = crm_strdup_printf("%sms", value);
crm_xml_add(node, PCMK_XA_EXEC_TIME, s);
free(s);
}
value = crm_element_value(xml_op, PCMK_XA_QUEUE_TIME);
if (value) {
char *s = crm_strdup_printf("%sms", value);
crm_xml_add(node, PCMK_XA_QUEUE_TIME, s);
free(s);
}
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("promotion-score", "pcmk_resource_t *", "pcmk_node_t *",
"const char *")
static int
promotion_score(pcmk__output_t *out, va_list args)
{
pcmk_resource_t *child_rsc = va_arg(args, pcmk_resource_t *);
pcmk_node_t *chosen = va_arg(args, pcmk_node_t *);
const char *score = va_arg(args, const char *);
out->list_item(out, NULL, "%s promotion score on %s: %s",
child_rsc->id,
chosen? chosen->details->uname : "none",
score);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("promotion-score", "pcmk_resource_t *", "pcmk_node_t *",
"const char *")
static int
promotion_score_xml(pcmk__output_t *out, va_list args)
{
pcmk_resource_t *child_rsc = va_arg(args, pcmk_resource_t *);
pcmk_node_t *chosen = va_arg(args, pcmk_node_t *);
const char *score = va_arg(args, const char *);
xmlNodePtr node = pcmk__output_create_xml_node(out, PCMK_XE_PROMOTION_SCORE,
PCMK_XA_ID, child_rsc->id,
PCMK_XA_SCORE, score,
NULL);
if (chosen) {
crm_xml_add(node, PCMK_XA_NODE, chosen->details->uname);
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("resource-config", "const pcmk_resource_t *", "bool")
static int
resource_config(pcmk__output_t *out, va_list args) {
const pcmk_resource_t *rsc = va_arg(args, const pcmk_resource_t *);
GString *xml_buf = g_string_sized_new(1024);
bool raw = va_arg(args, int);
formatted_xml_buf(rsc, xml_buf, raw);
out->output_xml(out, PCMK_XE_XML, xml_buf->str);
g_string_free(xml_buf, TRUE);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("resource-config", "const pcmk_resource_t *", "bool")
static int
resource_config_text(pcmk__output_t *out, va_list args) {
pcmk__formatted_printf(out, "Resource XML:\n");
return resource_config(out, args);
}
PCMK__OUTPUT_ARGS("resource-history", "pcmk_resource_t *", "const char *",
"bool", "int", "time_t", "bool")
static int
resource_history_text(pcmk__output_t *out, va_list args) {
pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *);
const char *rsc_id = va_arg(args, const char *);
bool all = va_arg(args, int);
int failcount = va_arg(args, int);
time_t last_failure = va_arg(args, time_t);
bool as_header = va_arg(args, int);
char *buf = resource_history_string(rsc, rsc_id, all, failcount, last_failure);
if (as_header) {
out->begin_list(out, NULL, NULL, "%s", buf);
} else {
out->list_item(out, NULL, "%s", buf);
}
free(buf);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("resource-history", "pcmk_resource_t *", "const char *",
"bool", "int", "time_t", "bool")
static int
resource_history_xml(pcmk__output_t *out, va_list args) {
pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *);
const char *rsc_id = va_arg(args, const char *);
bool all = va_arg(args, int);
int failcount = va_arg(args, int);
time_t last_failure = va_arg(args, time_t);
bool as_header = va_arg(args, int);
xmlNodePtr node = pcmk__output_xml_create_parent(out,
PCMK_XE_RESOURCE_HISTORY,
PCMK_XA_ID, rsc_id,
NULL);
if (rsc == NULL) {
pcmk__xe_set_bool_attr(node, PCMK_XA_ORPHAN, true);
} else if (all || failcount || last_failure > 0) {
char *migration_s = pcmk__itoa(rsc->migration_threshold);
pcmk__xe_set_props(node,
PCMK_XA_ORPHAN, PCMK_VALUE_FALSE,
PCMK_META_MIGRATION_THRESHOLD, migration_s,
NULL);
free(migration_s);
if (failcount > 0) {
char *s = pcmk__itoa(failcount);
crm_xml_add(node, PCMK_XA_FAIL_COUNT, s);
free(s);
}
if (last_failure > 0) {
char *s = pcmk__epoch2str(&last_failure, 0);
crm_xml_add(node, PCMK_XA_LAST_FAILURE, s);
free(s);
}
}
if (!as_header) {
pcmk__output_xml_pop_parent(out);
}
return pcmk_rc_ok;
}
static void
print_resource_header(pcmk__output_t *out, uint32_t show_opts)
{
if (pcmk_is_set(show_opts, pcmk_show_rscs_by_node)) {
/* Active resources have already been printed by node */
out->begin_list(out, NULL, NULL, "Inactive Resources");
} else if (pcmk_is_set(show_opts, pcmk_show_inactive_rscs)) {
out->begin_list(out, NULL, NULL, "Full List of Resources");
} else {
out->begin_list(out, NULL, NULL, "Active Resources");
}
}
PCMK__OUTPUT_ARGS("resource-list", "pcmk_scheduler_t *", "uint32_t", "bool",
"GList *", "GList *", "bool")
static int
resource_list(pcmk__output_t *out, va_list args)
{
pcmk_scheduler_t *scheduler = va_arg(args, pcmk_scheduler_t *);
uint32_t show_opts = va_arg(args, uint32_t);
bool print_summary = va_arg(args, int);
GList *only_node = va_arg(args, GList *);
GList *only_rsc = va_arg(args, GList *);
bool print_spacer = va_arg(args, int);
GList *rsc_iter;
int rc = pcmk_rc_no_output;
bool printed_header = false;
/* If we already showed active resources by node, and
* we're not showing inactive resources, we have nothing to do
*/
if (pcmk_is_set(show_opts, pcmk_show_rscs_by_node) &&
!pcmk_is_set(show_opts, pcmk_show_inactive_rscs)) {
return rc;
}
/* If we haven't already printed resources grouped by node,
* and brief output was requested, print resource summary */
if (pcmk_is_set(show_opts, pcmk_show_brief)
&& !pcmk_is_set(show_opts, pcmk_show_rscs_by_node)) {
GList *rscs = pe__filter_rsc_list(scheduler->resources, only_rsc);
PCMK__OUTPUT_SPACER_IF(out, print_spacer);
print_resource_header(out, show_opts);
printed_header = true;
rc = pe__rscs_brief_output(out, rscs, show_opts);
g_list_free(rscs);
}
/* For each resource, display it if appropriate */
for (rsc_iter = scheduler->resources; rsc_iter != NULL; rsc_iter = rsc_iter->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) rsc_iter->data;
int x;
/* Complex resources may have some sub-resources active and some inactive */
gboolean is_active = rsc->private->fns->active(rsc, TRUE);
gboolean partially_active = rsc->private->fns->active(rsc, FALSE);
/* Skip inactive orphans (deleted but still in CIB) */
if (pcmk_is_set(rsc->flags, pcmk_rsc_removed) && !is_active) {
continue;
/* Skip active resources if we already displayed them by node */
} else if (pcmk_is_set(show_opts, pcmk_show_rscs_by_node)) {
if (is_active) {
continue;
}
/* Skip primitives already counted in a brief summary */
} else if (pcmk_is_set(show_opts, pcmk_show_brief)
&& pcmk__is_primitive(rsc)) {
continue;
/* Skip resources that aren't at least partially active,
* unless we're displaying inactive resources
*/
} else if (!partially_active && !pcmk_is_set(show_opts, pcmk_show_inactive_rscs)) {
continue;
} else if (partially_active && !pe__rsc_running_on_any(rsc, only_node)) {
continue;
}
if (!printed_header) {
PCMK__OUTPUT_SPACER_IF(out, print_spacer);
print_resource_header(out, show_opts);
printed_header = true;
}
/* Print this resource */
- x = out->message(out, pcmk__map_element_name(rsc->xml), show_opts, rsc,
- only_node, only_rsc);
+ x = out->message(out, pcmk__map_element_name(rsc->private->xml),
+ show_opts, rsc, only_node, only_rsc);
if (x == pcmk_rc_ok) {
rc = pcmk_rc_ok;
}
}
if (print_summary && rc != pcmk_rc_ok) {
if (!printed_header) {
PCMK__OUTPUT_SPACER_IF(out, print_spacer);
print_resource_header(out, show_opts);
printed_header = true;
}
if (pcmk_is_set(show_opts, pcmk_show_rscs_by_node)) {
out->list_item(out, NULL, "No inactive resources");
} else if (pcmk_is_set(show_opts, pcmk_show_inactive_rscs)) {
out->list_item(out, NULL, "No resources");
} else {
out->list_item(out, NULL, "No active resources");
}
}
if (printed_header) {
out->end_list(out);
}
return rc;
}
PCMK__OUTPUT_ARGS("resource-operation-list", "pcmk_scheduler_t *",
"pcmk_resource_t *", "pcmk_node_t *", "GList *", "uint32_t")
static int
resource_operation_list(pcmk__output_t *out, va_list args)
{
pcmk_scheduler_t *scheduler G_GNUC_UNUSED = va_arg(args,
pcmk_scheduler_t *);
pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *);
pcmk_node_t *node = va_arg(args, pcmk_node_t *);
GList *op_list = va_arg(args, GList *);
uint32_t show_opts = va_arg(args, uint32_t);
GList *gIter = NULL;
int rc = pcmk_rc_no_output;
/* Print each operation */
for (gIter = op_list; gIter != NULL; gIter = gIter->next) {
xmlNode *xml_op = (xmlNode *) gIter->data;
const char *task = crm_element_value(xml_op, PCMK_XA_OPERATION);
const char *interval_ms_s = crm_element_value(xml_op,
PCMK_META_INTERVAL);
const char *op_rc = crm_element_value(xml_op, PCMK__XA_RC_CODE);
int op_rc_i;
pcmk__scan_min_int(op_rc, &op_rc_i, 0);
/* Display 0-interval monitors as "probe" */
if (pcmk__str_eq(task, PCMK_ACTION_MONITOR, pcmk__str_casei)
&& pcmk__str_eq(interval_ms_s, "0", pcmk__str_null_matches | pcmk__str_casei)) {
task = "probe";
}
/* If this is the first printed operation, print heading for resource */
if (rc == pcmk_rc_no_output) {
time_t last_failure = 0;
int failcount = pe_get_failcount(node, rsc, &last_failure,
pcmk__fc_default, NULL);
out->message(out, "resource-history", rsc, rsc_printable_id(rsc), true,
failcount, last_failure, true);
rc = pcmk_rc_ok;
}
/* Print the operation */
out->message(out, "op-history", xml_op, task, interval_ms_s,
op_rc_i, show_opts);
}
/* Free the list we created (no need to free the individual items) */
g_list_free(op_list);
PCMK__OUTPUT_LIST_FOOTER(out, rc);
return rc;
}
PCMK__OUTPUT_ARGS("resource-util", "pcmk_resource_t *", "pcmk_node_t *",
"const char *")
static int
resource_util(pcmk__output_t *out, va_list args)
{
pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *);
pcmk_node_t *node = va_arg(args, pcmk_node_t *);
const char *fn = va_arg(args, const char *);
char *dump_text = crm_strdup_printf("%s: %s utilization on %s:",
fn, rsc->id, pcmk__node_name(node));
g_hash_table_foreach(rsc->utilization, append_dump_text, &dump_text);
out->list_item(out, NULL, "%s", dump_text);
free(dump_text);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("resource-util", "pcmk_resource_t *", "pcmk_node_t *",
"const char *")
static int
resource_util_xml(pcmk__output_t *out, va_list args)
{
pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *);
pcmk_node_t *node = va_arg(args, pcmk_node_t *);
const char *uname = node->details->uname;
const char *fn = va_arg(args, const char *);
xmlNodePtr xml_node = NULL;
xml_node = pcmk__output_create_xml_node(out, PCMK_XE_UTILIZATION,
PCMK_XA_RESOURCE, rsc->id,
PCMK_XA_NODE, uname,
PCMK_XA_FUNCTION, fn,
NULL);
g_hash_table_foreach(rsc->utilization, add_dump_node, xml_node);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("ticket", "pcmk_ticket_t *", "bool", "bool")
static int
ticket_default(pcmk__output_t *out, va_list args) {
pcmk_ticket_t *ticket = va_arg(args, pcmk_ticket_t *);
bool raw = va_arg(args, int);
bool details = va_arg(args, int);
GString *detail_str = NULL;
if (raw) {
out->list_item(out, ticket->id, "%s", ticket->id);
return pcmk_rc_ok;
}
if (details && g_hash_table_size(ticket->state) > 0) {
GHashTableIter iter;
const char *name = NULL;
const char *value = NULL;
bool already_added = false;
detail_str = g_string_sized_new(100);
pcmk__g_strcat(detail_str, "\t(", NULL);
g_hash_table_iter_init(&iter, ticket->state);
while (g_hash_table_iter_next(&iter, (void **) &name, (void **) &value)) {
if (already_added) {
g_string_append_printf(detail_str, ", %s=", name);
} else {
g_string_append_printf(detail_str, "%s=", name);
already_added = true;
}
if (pcmk__str_any_of(name, PCMK_XA_LAST_GRANTED, "expires", NULL)) {
char *epoch_str = NULL;
long long time_ll;
pcmk__scan_ll(value, &time_ll, 0);
epoch_str = pcmk__epoch2str((const time_t *) &time_ll, 0);
pcmk__g_strcat(detail_str, epoch_str, NULL);
free(epoch_str);
} else {
pcmk__g_strcat(detail_str, value, NULL);
}
}
pcmk__g_strcat(detail_str, ")", NULL);
}
if (ticket->last_granted > -1) {
/* Prior to the introduction of the details & raw arguments to this
* function, last-granted would always be added in this block. We need
* to preserve that behavior. At the same time, we also need to preserve
* the existing behavior from crm_ticket, which would include last-granted
* as part of the (...) detail string.
*
* Luckily we can check detail_str - if it's NULL, either there were no
* details, or we are preserving the previous behavior of this function.
* If it's not NULL, we are either preserving the previous behavior of
* crm_ticket or we were given details=true as an argument.
*/
if (detail_str == NULL) {
char *epoch_str = pcmk__epoch2str(&(ticket->last_granted), 0);
out->list_item(out, NULL, "%s\t%s%s last-granted=\"%s\"",
ticket->id,
(ticket->granted? "granted" : "revoked"),
(ticket->standby? " [standby]" : ""),
pcmk__s(epoch_str, ""));
free(epoch_str);
} else {
out->list_item(out, NULL, "%s\t%s%s %s",
ticket->id,
(ticket->granted? "granted" : "revoked"),
(ticket->standby? " [standby]" : ""),
detail_str->str);
}
} else {
out->list_item(out, NULL, "%s\t%s%s%s", ticket->id,
ticket->granted ? "granted" : "revoked",
ticket->standby ? " [standby]" : "",
detail_str != NULL ? detail_str->str : "");
}
if (detail_str != NULL) {
g_string_free(detail_str, TRUE);
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("ticket", "pcmk_ticket_t *", "bool", "bool")
static int
ticket_xml(pcmk__output_t *out, va_list args) {
pcmk_ticket_t *ticket = va_arg(args, pcmk_ticket_t *);
bool raw G_GNUC_UNUSED = va_arg(args, int);
bool details G_GNUC_UNUSED = va_arg(args, int);
const char *status = NULL;
const char *standby = pcmk__btoa(ticket->standby);
xmlNodePtr node = NULL;
GHashTableIter iter;
const char *name = NULL;
const char *value = NULL;
status = ticket->granted? PCMK_VALUE_GRANTED : PCMK_VALUE_REVOKED;
node = pcmk__output_create_xml_node(out, PCMK_XE_TICKET,
PCMK_XA_ID, ticket->id,
PCMK_XA_STATUS, status,
PCMK_XA_STANDBY, standby,
NULL);
if (ticket->last_granted > -1) {
char *buf = pcmk__epoch2str(&ticket->last_granted, 0);
crm_xml_add(node, PCMK_XA_LAST_GRANTED, buf);
free(buf);
}
g_hash_table_iter_init(&iter, ticket->state);
while (g_hash_table_iter_next(&iter, (void **) &name, (void **) &value)) {
/* PCMK_XA_LAST_GRANTED and "expires" are already added by the check
* for ticket->last_granted above.
*/
if (pcmk__str_any_of(name, PCMK_XA_LAST_GRANTED, PCMK_XA_EXPIRES,
NULL)) {
continue;
}
crm_xml_add(node, name, value);
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("ticket-list", "GHashTable *", "bool", "bool", "bool")
static int
ticket_list(pcmk__output_t *out, va_list args) {
GHashTable *tickets = va_arg(args, GHashTable *);
bool print_spacer = va_arg(args, int);
bool raw = va_arg(args, int);
bool details = va_arg(args, int);
GHashTableIter iter;
gpointer value;
if (g_hash_table_size(tickets) == 0) {
return pcmk_rc_no_output;
}
PCMK__OUTPUT_SPACER_IF(out, print_spacer);
/* Print section heading */
out->begin_list(out, NULL, NULL, "Tickets");
/* Print each ticket */
g_hash_table_iter_init(&iter, tickets);
while (g_hash_table_iter_next(&iter, NULL, &value)) {
pcmk_ticket_t *ticket = (pcmk_ticket_t *) value;
out->message(out, "ticket", ticket, raw, details);
}
/* Close section */
out->end_list(out);
return pcmk_rc_ok;
}
static pcmk__message_entry_t fmt_functions[] = {
{ "ban", "default", ban_text },
{ "ban", "html", ban_html },
{ "ban", "xml", ban_xml },
{ "ban-list", "default", ban_list },
{ "bundle", "default", pe__bundle_text },
{ "bundle", "xml", pe__bundle_xml },
{ "bundle", "html", pe__bundle_html },
{ "clone", "default", pe__clone_default },
{ "clone", "xml", pe__clone_xml },
{ "cluster-counts", "default", cluster_counts_text },
{ "cluster-counts", "html", cluster_counts_html },
{ "cluster-counts", "xml", cluster_counts_xml },
{ "cluster-dc", "default", cluster_dc_text },
{ "cluster-dc", "html", cluster_dc_html },
{ "cluster-dc", "xml", cluster_dc_xml },
{ "cluster-options", "default", cluster_options_text },
{ "cluster-options", "html", cluster_options_html },
{ "cluster-options", "log", cluster_options_log },
{ "cluster-options", "xml", cluster_options_xml },
{ "cluster-summary", "default", cluster_summary },
{ "cluster-summary", "html", cluster_summary_html },
{ "cluster-stack", "default", cluster_stack_text },
{ "cluster-stack", "html", cluster_stack_html },
{ "cluster-stack", "xml", cluster_stack_xml },
{ "cluster-times", "default", cluster_times_text },
{ "cluster-times", "html", cluster_times_html },
{ "cluster-times", "xml", cluster_times_xml },
{ "failed-action", "default", failed_action_default },
{ "failed-action", "xml", failed_action_xml },
{ "failed-action-list", "default", failed_action_list },
{ "group", "default", pe__group_default},
{ "group", "xml", pe__group_xml },
{ "maint-mode", "text", cluster_maint_mode_text },
{ "node", "default", node_text },
{ "node", "html", node_html },
{ "node", "xml", node_xml },
{ "node-and-op", "default", node_and_op },
{ "node-and-op", "xml", node_and_op_xml },
{ "node-capacity", "default", node_capacity },
{ "node-capacity", "xml", node_capacity_xml },
{ "node-history-list", "default", node_history_list },
{ "node-list", "default", node_list_text },
{ "node-list", "html", node_list_html },
{ "node-list", "xml", node_list_xml },
{ "node-weight", "default", node_weight },
{ "node-weight", "xml", node_weight_xml },
{ "node-attribute", "default", node_attribute_text },
{ "node-attribute", "html", node_attribute_html },
{ "node-attribute", "xml", node_attribute_xml },
{ "node-attribute-list", "default", node_attribute_list },
{ "node-summary", "default", node_summary },
{ "op-history", "default", op_history_text },
{ "op-history", "xml", op_history_xml },
{ "primitive", "default", pe__resource_text },
{ "primitive", "xml", pe__resource_xml },
{ "primitive", "html", pe__resource_html },
{ "promotion-score", "default", promotion_score },
{ "promotion-score", "xml", promotion_score_xml },
{ "resource-config", "default", resource_config },
{ "resource-config", "text", resource_config_text },
{ "resource-history", "default", resource_history_text },
{ "resource-history", "xml", resource_history_xml },
{ "resource-list", "default", resource_list },
{ "resource-operation-list", "default", resource_operation_list },
{ "resource-util", "default", resource_util },
{ "resource-util", "xml", resource_util_xml },
{ "ticket", "default", ticket_default },
{ "ticket", "xml", ticket_xml },
{ "ticket-list", "default", ticket_list },
{ NULL, NULL, NULL }
};
void
pe__register_messages(pcmk__output_t *out) {
pcmk__register_messages(out, fmt_functions);
}
diff --git a/lib/pengine/utils.c b/lib/pengine/utils.c
index d3a50d6e1e..aa3b21a91a 100644
--- a/lib/pengine/utils.c
+++ b/lib/pengine/utils.c
@@ -1,928 +1,928 @@
/*
* Copyright 2004-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU Lesser General Public License
* version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <glib.h>
#include <stdbool.h>
#include <crm/crm.h>
#include <crm/common/xml.h>
#include <crm/pengine/rules.h>
#include <crm/pengine/internal.h>
#include "pe_status_private.h"
extern bool pcmk__is_daemon;
gboolean ghash_free_str_str(gpointer key, gpointer value, gpointer user_data);
/*!
* \internal
* \brief Check whether we can fence a particular node
*
* \param[in] scheduler Scheduler data
* \param[in] node Name of node to check
*
* \return true if node can be fenced, false otherwise
*/
bool
pe_can_fence(const pcmk_scheduler_t *scheduler, const pcmk_node_t *node)
{
if (pcmk__is_guest_or_bundle_node(node)) {
/* Guest nodes are fenced by stopping their container resource. We can
* do that if the container's host is either online or fenceable.
*/
pcmk_resource_t *rsc = node->details->remote_rsc->container;
for (GList *n = rsc->running_on; n != NULL; n = n->next) {
pcmk_node_t *container_node = n->data;
if (!container_node->details->online
&& !pe_can_fence(scheduler, container_node)) {
return false;
}
}
return true;
} else if (!pcmk_is_set(scheduler->flags, pcmk_sched_fencing_enabled)) {
return false; /* Turned off */
} else if (!pcmk_is_set(scheduler->flags, pcmk_sched_have_fencing)) {
return false; /* No devices */
} else if (pcmk_is_set(scheduler->flags, pcmk_sched_quorate)) {
return true;
} else if (scheduler->no_quorum_policy == pcmk_no_quorum_ignore) {
return true;
} else if(node == NULL) {
return false;
} else if(node->details->online) {
crm_notice("We can fence %s without quorum because they're in our membership",
pcmk__node_name(node));
return true;
}
crm_trace("Cannot fence %s", pcmk__node_name(node));
return false;
}
/*!
* \internal
* \brief Copy a node object
*
* \param[in] this_node Node object to copy
*
* \return Newly allocated shallow copy of this_node
* \note This function asserts on errors and is guaranteed to return non-NULL.
*/
pcmk_node_t *
pe__copy_node(const pcmk_node_t *this_node)
{
pcmk_node_t *new_node = NULL;
CRM_ASSERT(this_node != NULL);
new_node = pcmk__assert_alloc(1, sizeof(pcmk_node_t));
new_node->rsc_discover_mode = this_node->rsc_discover_mode;
new_node->weight = this_node->weight;
new_node->fixed = this_node->fixed; // @COMPAT deprecated and unused
new_node->count = this_node->count;
new_node->details = this_node->details;
return new_node;
}
/*!
* \internal
* \brief Create a node hash table from a node list
*
* \param[in] list Node list
*
* \return Hash table equivalent of node list
*/
GHashTable *
pe__node_list2table(const GList *list)
{
GHashTable *result = NULL;
result = pcmk__strkey_table(NULL, free);
for (const GList *gIter = list; gIter != NULL; gIter = gIter->next) {
pcmk_node_t *new_node = NULL;
new_node = pe__copy_node((const pcmk_node_t *) gIter->data);
g_hash_table_insert(result, (gpointer) new_node->details->id, new_node);
}
return result;
}
/*!
* \internal
* \brief Compare two nodes by name, with numeric portions sorted numerically
*
* Sort two node names case-insensitively like strcasecmp(), but with any
* numeric portions of the name sorted numerically. For example, "node10" will
* sort higher than "node9" but lower than "remotenode9".
*
* \param[in] a First node to compare (can be \c NULL)
* \param[in] b Second node to compare (can be \c NULL)
*
* \retval -1 \c a comes before \c b (or \c a is \c NULL and \c b is not)
* \retval 0 \c a and \c b are equal (or both are \c NULL)
* \retval 1 \c a comes after \c b (or \c b is \c NULL and \c a is not)
*/
gint
pe__cmp_node_name(gconstpointer a, gconstpointer b)
{
const pcmk_node_t *node1 = (const pcmk_node_t *) a;
const pcmk_node_t *node2 = (const pcmk_node_t *) b;
if ((node1 == NULL) && (node2 == NULL)) {
return 0;
}
if (node1 == NULL) {
return -1;
}
if (node2 == NULL) {
return 1;
}
return pcmk__numeric_strcasecmp(node1->details->uname,
node2->details->uname);
}
/*!
* \internal
* \brief Output node weights to stdout
*
* \param[in] rsc Use allowed nodes for this resource
* \param[in] comment Text description to prefix lines with
* \param[in] nodes If rsc is not specified, use these nodes
* \param[in,out] scheduler Scheduler data
*/
static void
pe__output_node_weights(const pcmk_resource_t *rsc, const char *comment,
GHashTable *nodes, pcmk_scheduler_t *scheduler)
{
pcmk__output_t *out = scheduler->priv;
// Sort the nodes so the output is consistent for regression tests
GList *list = g_list_sort(g_hash_table_get_values(nodes),
pe__cmp_node_name);
for (const GList *gIter = list; gIter != NULL; gIter = gIter->next) {
const pcmk_node_t *node = (const pcmk_node_t *) gIter->data;
out->message(out, "node-weight", rsc, comment, node->details->uname,
pcmk_readable_score(node->weight));
}
g_list_free(list);
}
/*!
* \internal
* \brief Log node weights at trace level
*
* \param[in] file Caller's filename
* \param[in] function Caller's function name
* \param[in] line Caller's line number
* \param[in] rsc If not NULL, include this resource's ID in logs
* \param[in] comment Text description to prefix lines with
* \param[in] nodes Nodes whose scores should be logged
*/
static void
pe__log_node_weights(const char *file, const char *function, int line,
const pcmk_resource_t *rsc, const char *comment,
GHashTable *nodes)
{
GHashTableIter iter;
pcmk_node_t *node = NULL;
// Don't waste time if we're not tracing at this point
pcmk__if_tracing({}, return);
g_hash_table_iter_init(&iter, nodes);
while (g_hash_table_iter_next(&iter, NULL, (void **) &node)) {
if (rsc) {
qb_log_from_external_source(function, file,
"%s: %s allocation score on %s: %s",
LOG_TRACE, line, 0,
comment, rsc->id,
pcmk__node_name(node),
pcmk_readable_score(node->weight));
} else {
qb_log_from_external_source(function, file, "%s: %s = %s",
LOG_TRACE, line, 0,
comment, pcmk__node_name(node),
pcmk_readable_score(node->weight));
}
}
}
/*!
* \internal
* \brief Log or output node weights
*
* \param[in] file Caller's filename
* \param[in] function Caller's function name
* \param[in] line Caller's line number
* \param[in] to_log Log if true, otherwise output
* \param[in] rsc If not NULL, use this resource's ID in logs,
* and show scores recursively for any children
* \param[in] comment Text description to prefix lines with
* \param[in] nodes Nodes whose scores should be shown
* \param[in,out] scheduler Scheduler data
*/
void
pe__show_node_scores_as(const char *file, const char *function, int line,
bool to_log, const pcmk_resource_t *rsc,
const char *comment, GHashTable *nodes,
pcmk_scheduler_t *scheduler)
{
if ((rsc != NULL) && pcmk_is_set(rsc->flags, pcmk_rsc_removed)) {
// Don't show allocation scores for orphans
return;
}
if (nodes == NULL) {
// Nothing to show
return;
}
if (to_log) {
pe__log_node_weights(file, function, line, rsc, comment, nodes);
} else {
pe__output_node_weights(rsc, comment, nodes, scheduler);
}
// If this resource has children, repeat recursively for each
if (rsc && rsc->children) {
for (GList *gIter = rsc->children; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *child = (pcmk_resource_t *) gIter->data;
pe__show_node_scores_as(file, function, line, to_log, child,
comment, child->allowed_nodes, scheduler);
}
}
}
/*!
* \internal
* \brief Compare two resources by priority
*
* \param[in] a First resource to compare (can be \c NULL)
* \param[in] b Second resource to compare (can be \c NULL)
*
* \retval -1 \c a->priority > \c b->priority (or \c b is \c NULL and \c a is
* not)
* \retval 0 \c a->priority == \c b->priority (or both \c a and \c b are
* \c NULL)
* \retval 1 \c a->priority < \c b->priority (or \c a is \c NULL and \c b is
* not)
*/
gint
pe__cmp_rsc_priority(gconstpointer a, gconstpointer b)
{
const pcmk_resource_t *resource1 = (const pcmk_resource_t *)a;
const pcmk_resource_t *resource2 = (const pcmk_resource_t *)b;
if (a == NULL && b == NULL) {
return 0;
}
if (a == NULL) {
return 1;
}
if (b == NULL) {
return -1;
}
if (resource1->priority > resource2->priority) {
return -1;
}
if (resource1->priority < resource2->priority) {
return 1;
}
return 0;
}
static void
resource_node_score(pcmk_resource_t *rsc, const pcmk_node_t *node, int score,
const char *tag)
{
pcmk_node_t *match = NULL;
if ((rsc->exclusive_discover
|| (node->rsc_discover_mode == pcmk_probe_never))
&& pcmk__str_eq(tag, "symmetric_default", pcmk__str_casei)) {
/* This string comparision may be fragile, but exclusive resources and
* exclusive nodes should not have the symmetric_default constraint
* applied to them.
*/
return;
} else if (rsc->children) {
GList *gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *child_rsc = (pcmk_resource_t *) gIter->data;
resource_node_score(child_rsc, node, score, tag);
}
}
match = g_hash_table_lookup(rsc->allowed_nodes, node->details->id);
if (match == NULL) {
match = pe__copy_node(node);
g_hash_table_insert(rsc->allowed_nodes, (gpointer) match->details->id, match);
}
match->weight = pcmk__add_scores(match->weight, score);
pcmk__rsc_trace(rsc,
"Enabling %s preference (%s) for %s on %s (now %s)",
tag, pcmk_readable_score(score), rsc->id,
pcmk__node_name(node), pcmk_readable_score(match->weight));
}
void
resource_location(pcmk_resource_t *rsc, const pcmk_node_t *node, int score,
const char *tag, pcmk_scheduler_t *scheduler)
{
if (node != NULL) {
resource_node_score(rsc, node, score, tag);
} else if (scheduler != NULL) {
GList *gIter = scheduler->nodes;
for (; gIter != NULL; gIter = gIter->next) {
pcmk_node_t *node_iter = (pcmk_node_t *) gIter->data;
resource_node_score(rsc, node_iter, score, tag);
}
} else {
GHashTableIter iter;
pcmk_node_t *node_iter = NULL;
g_hash_table_iter_init(&iter, rsc->allowed_nodes);
while (g_hash_table_iter_next(&iter, NULL, (void **)&node_iter)) {
resource_node_score(rsc, node_iter, score, tag);
}
}
if ((node == NULL) && (score == -PCMK_SCORE_INFINITY)) {
if (rsc->allocated_to) {
crm_info("Deallocating %s from %s",
rsc->id, pcmk__node_name(rsc->allocated_to));
free(rsc->allocated_to);
rsc->allocated_to = NULL;
}
}
}
time_t
get_effective_time(pcmk_scheduler_t *scheduler)
{
if(scheduler) {
if (scheduler->now == NULL) {
crm_trace("Recording a new 'now'");
scheduler->now = crm_time_new(NULL);
}
return crm_time_get_seconds_since_epoch(scheduler->now);
}
crm_trace("Defaulting to 'now'");
return time(NULL);
}
gboolean
get_target_role(const pcmk_resource_t *rsc, enum rsc_role_e *role)
{
enum rsc_role_e local_role = pcmk_role_unknown;
const char *value = g_hash_table_lookup(rsc->meta, PCMK_META_TARGET_ROLE);
CRM_CHECK(role != NULL, return FALSE);
if (pcmk__str_eq(value, PCMK_ROLE_STARTED,
pcmk__str_null_matches|pcmk__str_casei)) {
return FALSE;
}
if (pcmk__str_eq(PCMK_VALUE_DEFAULT, value, pcmk__str_casei)) {
// @COMPAT Deprecated since 2.1.8
pcmk__config_warn("Support for setting " PCMK_META_TARGET_ROLE
" to the explicit value '" PCMK_VALUE_DEFAULT
"' is deprecated and will be removed in a "
"future release (just leave it unset)");
return FALSE;
}
local_role = pcmk_parse_role(value);
if (local_role == pcmk_role_unknown) {
pcmk__config_err("Ignoring '" PCMK_META_TARGET_ROLE "' for %s "
"because '%s' is not valid", rsc->id, value);
return FALSE;
} else if (local_role > pcmk_role_started) {
if (pcmk_is_set(pe__const_top_resource(rsc, false)->flags,
pcmk_rsc_promotable)) {
if (local_role > pcmk_role_unpromoted) {
/* This is what we'd do anyway, just leave the default to avoid messing up the placement algorithm */
return FALSE;
}
} else {
pcmk__config_err("Ignoring '" PCMK_META_TARGET_ROLE "' for %s "
"because '%s' only makes sense for promotable "
"clones", rsc->id, value);
return FALSE;
}
}
*role = local_role;
return TRUE;
}
gboolean
order_actions(pcmk_action_t *lh_action, pcmk_action_t *rh_action,
uint32_t flags)
{
GList *gIter = NULL;
pcmk__related_action_t *wrapper = NULL;
GList *list = NULL;
if (flags == pcmk__ar_none) {
return FALSE;
}
if (lh_action == NULL || rh_action == NULL) {
return FALSE;
}
crm_trace("Creating action wrappers for ordering: %s then %s",
lh_action->uuid, rh_action->uuid);
/* Ensure we never create a dependency on ourselves... it's happened */
CRM_ASSERT(lh_action != rh_action);
/* Filter dups, otherwise update_action_states() has too much work to do */
gIter = lh_action->actions_after;
for (; gIter != NULL; gIter = gIter->next) {
pcmk__related_action_t *after = gIter->data;
if (after->action == rh_action && (after->type & flags)) {
return FALSE;
}
}
wrapper = pcmk__assert_alloc(1, sizeof(pcmk__related_action_t));
wrapper->action = rh_action;
wrapper->type = flags;
list = lh_action->actions_after;
list = g_list_prepend(list, wrapper);
lh_action->actions_after = list;
wrapper = pcmk__assert_alloc(1, sizeof(pcmk__related_action_t));
wrapper->action = lh_action;
wrapper->type = flags;
list = rh_action->actions_before;
list = g_list_prepend(list, wrapper);
rh_action->actions_before = list;
return TRUE;
}
void
destroy_ticket(gpointer data)
{
pcmk_ticket_t *ticket = data;
if (ticket->state) {
g_hash_table_destroy(ticket->state);
}
free(ticket->id);
free(ticket);
}
pcmk_ticket_t *
ticket_new(const char *ticket_id, pcmk_scheduler_t *scheduler)
{
pcmk_ticket_t *ticket = NULL;
if (pcmk__str_empty(ticket_id)) {
return NULL;
}
if (scheduler->tickets == NULL) {
scheduler->tickets = pcmk__strkey_table(free, destroy_ticket);
}
ticket = g_hash_table_lookup(scheduler->tickets, ticket_id);
if (ticket == NULL) {
ticket = calloc(1, sizeof(pcmk_ticket_t));
if (ticket == NULL) {
pcmk__sched_err("Cannot allocate ticket '%s'", ticket_id);
return NULL;
}
crm_trace("Creaing ticket entry for %s", ticket_id);
ticket->id = strdup(ticket_id);
ticket->granted = FALSE;
ticket->last_granted = -1;
ticket->standby = FALSE;
ticket->state = pcmk__strkey_table(free, free);
g_hash_table_insert(scheduler->tickets, strdup(ticket->id), ticket);
}
return ticket;
}
const char *
rsc_printable_id(const pcmk_resource_t *rsc)
{
if (pcmk_is_set(rsc->flags, pcmk_rsc_unique)) {
return rsc->id;
}
- return pcmk__xe_id(rsc->xml);
+ return pcmk__xe_id(rsc->private->xml);
}
void
pe__clear_resource_flags_recursive(pcmk_resource_t *rsc, uint64_t flags)
{
pcmk__clear_rsc_flags(rsc, flags);
for (GList *gIter = rsc->children; gIter != NULL; gIter = gIter->next) {
pe__clear_resource_flags_recursive((pcmk_resource_t *) gIter->data,
flags);
}
}
void
pe__clear_resource_flags_on_all(pcmk_scheduler_t *scheduler, uint64_t flag)
{
for (GList *lpc = scheduler->resources; lpc != NULL; lpc = lpc->next) {
pcmk_resource_t *r = (pcmk_resource_t *) lpc->data;
pe__clear_resource_flags_recursive(r, flag);
}
}
void
pe__set_resource_flags_recursive(pcmk_resource_t *rsc, uint64_t flags)
{
pcmk__set_rsc_flags(rsc, flags);
for (GList *gIter = rsc->children; gIter != NULL; gIter = gIter->next) {
pe__set_resource_flags_recursive((pcmk_resource_t *) gIter->data,
flags);
}
}
void
trigger_unfencing(pcmk_resource_t *rsc, pcmk_node_t *node, const char *reason,
pcmk_action_t *dependency, pcmk_scheduler_t *scheduler)
{
if (!pcmk_is_set(scheduler->flags, pcmk_sched_enable_unfencing)) {
/* No resources require it */
return;
} else if ((rsc != NULL)
&& !pcmk_is_set(rsc->flags, pcmk_rsc_fence_device)) {
/* Wasn't a stonith device */
return;
} else if(node
&& node->details->online
&& node->details->unclean == FALSE
&& node->details->shutdown == FALSE) {
pcmk_action_t *unfence = pe_fence_op(node, PCMK_ACTION_ON, FALSE,
reason, FALSE, scheduler);
if(dependency) {
order_actions(unfence, dependency, pcmk__ar_ordered);
}
} else if(rsc) {
GHashTableIter iter;
g_hash_table_iter_init(&iter, rsc->allowed_nodes);
while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) {
if(node->details->online && node->details->unclean == FALSE && node->details->shutdown == FALSE) {
trigger_unfencing(rsc, node, reason, dependency, scheduler);
}
}
}
}
gboolean
add_tag_ref(GHashTable * tags, const char * tag_name, const char * obj_ref)
{
pcmk_tag_t *tag = NULL;
GList *gIter = NULL;
gboolean is_existing = FALSE;
CRM_CHECK(tags && tag_name && obj_ref, return FALSE);
tag = g_hash_table_lookup(tags, tag_name);
if (tag == NULL) {
tag = calloc(1, sizeof(pcmk_tag_t));
if (tag == NULL) {
pcmk__sched_err("Could not allocate memory for tag %s", tag_name);
return FALSE;
}
tag->id = strdup(tag_name);
tag->refs = NULL;
g_hash_table_insert(tags, strdup(tag_name), tag);
}
for (gIter = tag->refs; gIter != NULL; gIter = gIter->next) {
const char *existing_ref = (const char *) gIter->data;
if (pcmk__str_eq(existing_ref, obj_ref, pcmk__str_none)){
is_existing = TRUE;
break;
}
}
if (is_existing == FALSE) {
tag->refs = g_list_append(tag->refs, strdup(obj_ref));
crm_trace("Added: tag=%s ref=%s", tag->id, obj_ref);
}
return TRUE;
}
/*!
* \internal
* \brief Check whether shutdown has been requested for a node
*
* \param[in] node Node to check
*
* \return TRUE if node has shutdown attribute set and nonzero, FALSE otherwise
* \note This differs from simply using node->details->shutdown in that it can
* be used before that has been determined (and in fact to determine it),
* and it can also be used to distinguish requested shutdown from implicit
* shutdown of remote nodes by virtue of their connection stopping.
*/
bool
pe__shutdown_requested(const pcmk_node_t *node)
{
const char *shutdown = pcmk__node_attr(node, PCMK__NODE_ATTR_SHUTDOWN, NULL,
pcmk__rsc_node_current);
return !pcmk__str_eq(shutdown, "0", pcmk__str_null_matches);
}
/*!
* \internal
* \brief Update "recheck by" time in scheduler data
*
* \param[in] recheck Epoch time when recheck should happen
* \param[in,out] scheduler Scheduler data
* \param[in] reason What time is being updated for (for logs)
*/
void
pe__update_recheck_time(time_t recheck, pcmk_scheduler_t *scheduler,
const char *reason)
{
if ((recheck > get_effective_time(scheduler))
&& ((scheduler->recheck_by == 0)
|| (scheduler->recheck_by > recheck))) {
scheduler->recheck_by = recheck;
crm_debug("Updated next scheduler recheck to %s for %s",
pcmk__trim(ctime(&recheck)), reason);
}
}
/*!
* \internal
* \brief Extract nvpair blocks contained by a CIB XML element into a hash table
*
* \param[in] xml_obj XML element containing blocks of nvpair elements
* \param[in] set_name If not NULL, only use blocks of this element
* \param[in] rule_data Matching parameters to use when unpacking
* \param[out] hash Where to store extracted name/value pairs
* \param[in] always_first If not NULL, process block with this ID first
* \param[in] overwrite Whether to replace existing values with same name
* \param[in,out] scheduler Scheduler data containing \p xml_obj
*/
void
pe__unpack_dataset_nvpairs(const xmlNode *xml_obj, const char *set_name,
const pe_rule_eval_data_t *rule_data,
GHashTable *hash, const char *always_first,
gboolean overwrite, pcmk_scheduler_t *scheduler)
{
crm_time_t *next_change = crm_time_new_undefined();
pe_eval_nvpairs(scheduler->input, xml_obj, set_name, rule_data, hash,
always_first, overwrite, next_change);
if (crm_time_is_defined(next_change)) {
time_t recheck = (time_t) crm_time_get_seconds_since_epoch(next_change);
pe__update_recheck_time(recheck, scheduler, "rule evaluation");
}
crm_time_free(next_change);
}
bool
pe__resource_is_disabled(const pcmk_resource_t *rsc)
{
const char *target_role = NULL;
CRM_CHECK(rsc != NULL, return false);
target_role = g_hash_table_lookup(rsc->meta, PCMK_META_TARGET_ROLE);
if (target_role) {
// If invalid, we've already logged an error when unpacking
enum rsc_role_e target_role_e = pcmk_parse_role(target_role);
if ((target_role_e == pcmk_role_stopped)
|| ((target_role_e == pcmk_role_unpromoted)
&& pcmk_is_set(pe__const_top_resource(rsc, false)->flags,
pcmk_rsc_promotable))) {
return true;
}
}
return false;
}
/*!
* \internal
* \brief Check whether a resource is running only on given node
*
* \param[in] rsc Resource to check
* \param[in] node Node to check
*
* \return true if \p rsc is running only on \p node, otherwise false
*/
bool
pe__rsc_running_on_only(const pcmk_resource_t *rsc, const pcmk_node_t *node)
{
return (rsc != NULL) && pcmk__list_of_1(rsc->running_on)
&& pcmk__same_node((const pcmk_node_t *) rsc->running_on->data,
node);
}
bool
pe__rsc_running_on_any(pcmk_resource_t *rsc, GList *node_list)
{
for (GList *ele = rsc->running_on; ele; ele = ele->next) {
pcmk_node_t *node = (pcmk_node_t *) ele->data;
if (pcmk__str_in_list(node->details->uname, node_list,
pcmk__str_star_matches|pcmk__str_casei)) {
return true;
}
}
return false;
}
bool
pcmk__rsc_filtered_by_node(pcmk_resource_t *rsc, GList *only_node)
{
return rsc->private->fns->active(rsc, FALSE)
&& !pe__rsc_running_on_any(rsc, only_node);
}
GList *
pe__filter_rsc_list(GList *rscs, GList *filter)
{
GList *retval = NULL;
for (GList *gIter = rscs; gIter; gIter = gIter->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) gIter->data;
/* I think the second condition is safe here for all callers of this
* function. If not, it needs to move into pe__node_text.
*/
if (pcmk__str_in_list(rsc_printable_id(rsc), filter, pcmk__str_star_matches) ||
(rsc->parent && pcmk__str_in_list(rsc_printable_id(rsc->parent), filter, pcmk__str_star_matches))) {
retval = g_list_prepend(retval, rsc);
}
}
return retval;
}
GList *
pe__build_node_name_list(pcmk_scheduler_t *scheduler, const char *s)
{
GList *nodes = NULL;
if (pcmk__str_eq(s, "*", pcmk__str_null_matches)) {
/* Nothing was given so return a list of all node names. Or, '*' was
* given. This would normally fall into the pe__unames_with_tag branch
* where it will return an empty list. Catch it here instead.
*/
nodes = g_list_prepend(nodes, strdup("*"));
} else {
pcmk_node_t *node = pcmk_find_node(scheduler, s);
if (node) {
/* The given string was a valid uname for a node. Return a
* singleton list containing just that uname.
*/
nodes = g_list_prepend(nodes, strdup(s));
} else {
/* The given string was not a valid uname. It's either a tag or
* it's a typo or something. In the first case, we'll return a
* list of all the unames of the nodes with the given tag. In the
* second case, we'll return a NULL pointer and nothing will
* get displayed.
*/
nodes = pe__unames_with_tag(scheduler, s);
}
}
return nodes;
}
GList *
pe__build_rsc_list(pcmk_scheduler_t *scheduler, const char *s)
{
GList *resources = NULL;
if (pcmk__str_eq(s, "*", pcmk__str_null_matches)) {
resources = g_list_prepend(resources, strdup("*"));
} else {
const uint32_t flags = pcmk_rsc_match_history|pcmk_rsc_match_basename;
pcmk_resource_t *rsc = pe_find_resource_with_flags(scheduler->resources,
s, flags);
if (rsc) {
/* A colon in the name we were given means we're being asked to filter
* on a specific instance of a cloned resource. Put that exact string
* into the filter list. Otherwise, use the printable ID of whatever
* resource was found that matches what was asked for.
*/
if (strstr(s, ":") != NULL) {
resources = g_list_prepend(resources, strdup(rsc->id));
} else {
resources = g_list_prepend(resources, strdup(rsc_printable_id(rsc)));
}
} else {
/* The given string was not a valid resource name. It's a tag or a
* typo or something. See pe__build_node_name_list() for more
* detail.
*/
resources = pe__rscs_with_tag(scheduler, s);
}
}
return resources;
}
xmlNode *
pe__failed_probe_for_rsc(const pcmk_resource_t *rsc, const char *name)
{
const pcmk_resource_t *parent = pe__const_top_resource(rsc, false);
const char *rsc_id = rsc->id;
if (pcmk__is_clone(parent)) {
rsc_id = pe__clone_child_id(parent);
}
for (xmlNode *xml_op = pcmk__xe_first_child(rsc->cluster->failed, NULL,
NULL, NULL);
xml_op != NULL; xml_op = pcmk__xe_next(xml_op)) {
const char *value = NULL;
char *op_id = NULL;
/* This resource operation is not a failed probe. */
if (!pcmk_xe_mask_probe_failure(xml_op)) {
continue;
}
/* This resource operation was not run on the given node. Note that if name is
* NULL, this will always succeed.
*/
value = crm_element_value(xml_op, PCMK__META_ON_NODE);
if (value == NULL || !pcmk__str_eq(value, name, pcmk__str_casei|pcmk__str_null_matches)) {
continue;
}
if (!parse_op_key(pcmk__xe_history_key(xml_op), &op_id, NULL, NULL)) {
continue; // This history entry is missing an operation key
}
/* This resource operation's ID does not match the rsc_id we are looking for. */
if (!pcmk__str_eq(op_id, rsc_id, pcmk__str_none)) {
free(op_id);
continue;
}
free(op_id);
return xml_op;
}
return NULL;
}
diff --git a/tools/crm_resource.c b/tools/crm_resource.c
index d668454afd..188b7385a2 100644
--- a/tools/crm_resource.c
+++ b/tools/crm_resource.c
@@ -1,2188 +1,2188 @@
/*
* Copyright 2004-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU General Public License version 2
* or later (GPLv2+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <crm_resource.h>
#include <crm/lrmd_internal.h>
#include <crm/common/cmdline_internal.h>
#include <crm/common/ipc_attrd_internal.h>
#include <crm/common/lists_internal.h>
#include <crm/common/output.h>
#include <pacemaker-internal.h>
#include <sys/param.h>
#include <stdint.h> // uint32_t
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <libgen.h>
#include <time.h>
#include <crm/crm.h>
#include <crm/stonith-ng.h>
#include <crm/common/ipc_controld.h>
#include <crm/cib/internal.h>
#define SUMMARY "crm_resource - perform tasks related to Pacemaker cluster resources"
enum rsc_command {
cmd_none = 0, // No command option given (yet)
cmd_ban,
cmd_cleanup,
cmd_clear,
cmd_colocations,
cmd_cts,
cmd_delete,
cmd_delete_param,
cmd_digests,
cmd_execute_agent,
cmd_fail,
cmd_get_param,
cmd_get_property,
cmd_list_active_ops,
cmd_list_agents,
cmd_list_all_ops,
cmd_list_alternatives,
cmd_list_instances,
cmd_list_options,
cmd_list_providers,
cmd_list_resources,
cmd_list_standards,
cmd_locate,
cmd_metadata,
cmd_move,
cmd_query_xml,
cmd_query_xml_raw,
cmd_refresh,
cmd_restart,
cmd_set_param,
cmd_set_property,
cmd_wait,
cmd_why,
};
struct {
enum rsc_command rsc_cmd; // crm_resource command to perform
// Command-line option values
gchar *rsc_id; // Value of --resource
gchar *rsc_type; // Value of --resource-type
gboolean all; // --all was given
gboolean force; // --force was given
gboolean clear_expired; // --expired was given
gboolean recursive; // --recursive was given
gboolean promoted_role_only; // --promoted was given
gchar *host_uname; // Value of --node
gchar *interval_spec; // Value of --interval
gchar *move_lifetime; // Value of --lifetime
gchar *operation; // Value of --operation
enum pcmk__opt_flags opt_list; // Parsed from --list-options
const char *attr_set_type; // Instance, meta, utilization, or element attribute
gchar *prop_id; // --nvpair (attribute XML ID)
char *prop_name; // Attribute name
gchar *prop_set; // --set-name (attribute block XML ID)
gchar *prop_value; // --parameter-value (attribute value)
guint timeout_ms; // Parsed from --timeout value
char *agent_spec; // Standard and/or provider and/or agent
gchar *xml_file; // Value of (deprecated) --xml-file
int check_level; // Optional value of --validate or --force-check
// Resource configuration specified via command-line arguments
bool cmdline_config; // Resource configuration was via arguments
char *v_agent; // Value of --agent
char *v_class; // Value of --class
char *v_provider; // Value of --provider
GHashTable *cmdline_params; // Resource parameters specified
// Positional command-line arguments
gchar **remainder; // Positional arguments as given
GHashTable *override_params; // Resource parameter values that override config
} options = {
.attr_set_type = PCMK_XE_INSTANCE_ATTRIBUTES,
.check_level = -1,
.rsc_cmd = cmd_list_resources, // List all resources if no command given
};
gboolean attr_set_type_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error);
gboolean cmdline_config_cb(const gchar *option_name, const gchar *optarg,
gpointer data, GError **error);
gboolean option_cb(const gchar *option_name, const gchar *optarg,
gpointer data, GError **error);
gboolean timeout_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error);
static crm_exit_t exit_code = CRM_EX_OK;
static pcmk__output_t *out = NULL;
static pcmk__common_args_t *args = NULL;
// Things that should be cleaned up on exit
static GError *error = NULL;
static GMainLoop *mainloop = NULL;
static cib_t *cib_conn = NULL;
static pcmk_ipc_api_t *controld_api = NULL;
static pcmk_scheduler_t *scheduler = NULL;
#define MESSAGE_TIMEOUT_S 60
#define INDENT " "
static pcmk__supported_format_t formats[] = {
PCMK__SUPPORTED_FORMAT_NONE,
PCMK__SUPPORTED_FORMAT_TEXT,
PCMK__SUPPORTED_FORMAT_XML,
{ NULL, NULL, NULL }
};
// Clean up and exit
static crm_exit_t
bye(crm_exit_t ec)
{
pcmk__output_and_clear_error(&error, out);
if (out != NULL) {
out->finish(out, ec, true, NULL);
pcmk__output_free(out);
}
pcmk__unregister_formats();
if (cib_conn != NULL) {
cib_t *save_cib_conn = cib_conn;
cib_conn = NULL; // Ensure we can't free this twice
cib__clean_up_connection(&save_cib_conn);
}
if (controld_api != NULL) {
pcmk_ipc_api_t *save_controld_api = controld_api;
controld_api = NULL; // Ensure we can't free this twice
pcmk_free_ipc_api(save_controld_api);
}
if (mainloop != NULL) {
g_main_loop_unref(mainloop);
mainloop = NULL;
}
pe_free_working_set(scheduler);
scheduler = NULL;
crm_exit(ec);
return ec;
}
static void
quit_main_loop(crm_exit_t ec)
{
exit_code = ec;
if (mainloop != NULL) {
GMainLoop *mloop = mainloop;
mainloop = NULL; // Don't re-enter this block
pcmk_quit_main_loop(mloop, 10);
g_main_loop_unref(mloop);
}
}
static gboolean
resource_ipc_timeout(gpointer data)
{
// Start with newline because "Waiting for ..." message doesn't have one
if (error != NULL) {
g_clear_error(&error);
}
g_set_error(&error, PCMK__EXITC_ERROR, CRM_EX_TIMEOUT,
_("Aborting because no messages received in %d seconds"), MESSAGE_TIMEOUT_S);
quit_main_loop(CRM_EX_TIMEOUT);
return FALSE;
}
static void
controller_event_callback(pcmk_ipc_api_t *api, enum pcmk_ipc_event event_type,
crm_exit_t status, void *event_data, void *user_data)
{
switch (event_type) {
case pcmk_ipc_event_disconnect:
if (exit_code == CRM_EX_DISCONNECT) { // Unexpected
crm_info("Connection to controller was terminated");
}
quit_main_loop(exit_code);
break;
case pcmk_ipc_event_reply:
if (status != CRM_EX_OK) {
out->err(out, "Error: bad reply from controller: %s",
crm_exit_str(status));
pcmk_disconnect_ipc(api);
quit_main_loop(status);
} else {
if ((pcmk_controld_api_replies_expected(api) == 0)
&& mainloop && g_main_loop_is_running(mainloop)) {
out->info(out, "... got reply (done)");
crm_debug("Got all the replies we expected");
pcmk_disconnect_ipc(api);
quit_main_loop(CRM_EX_OK);
} else {
out->info(out, "... got reply");
}
}
break;
default:
break;
}
}
static void
start_mainloop(pcmk_ipc_api_t *capi)
{
unsigned int count = pcmk_controld_api_replies_expected(capi);
if (count > 0) {
out->info(out, "Waiting for %u %s from the controller",
count, pcmk__plural_alt(count, "reply", "replies"));
exit_code = CRM_EX_DISCONNECT; // For unexpected disconnects
mainloop = g_main_loop_new(NULL, FALSE);
g_timeout_add(MESSAGE_TIMEOUT_S * 1000, resource_ipc_timeout, NULL);
g_main_loop_run(mainloop);
}
}
static int
compare_id(gconstpointer a, gconstpointer b)
{
return strcmp((const char *)a, (const char *)b);
}
static GList *
build_constraint_list(xmlNode *root)
{
GList *retval = NULL;
xmlNode *cib_constraints = NULL;
xmlXPathObjectPtr xpathObj = NULL;
int ndx = 0;
cib_constraints = pcmk_find_cib_element(root, PCMK_XE_CONSTRAINTS);
xpathObj = xpath_search(cib_constraints, "//" PCMK_XE_RSC_LOCATION);
for (ndx = 0; ndx < numXpathResults(xpathObj); ndx++) {
xmlNode *match = getXpathResult(xpathObj, ndx);
retval = g_list_insert_sorted(retval, (gpointer) pcmk__xe_id(match),
compare_id);
}
freeXpathObject(xpathObj);
return retval;
}
static gboolean
validate_opt_list(const gchar *optarg)
{
if (pcmk__str_eq(optarg, PCMK_VALUE_FENCING, pcmk__str_none)) {
options.opt_list = pcmk__opt_fencing;
} else if (pcmk__str_eq(optarg, PCMK__VALUE_PRIMITIVE, pcmk__str_none)) {
options.opt_list = pcmk__opt_primitive;
} else {
return FALSE;
}
return TRUE;
}
/*!
* \internal
* \brief Process options that set the command
*
* Nothing else should set \c options.rsc_cmd.
*
* \param[in] option_name Name of the option being parsed
* \param[in] optarg Value to be parsed
* \param[in] data Ignored
* \param[out] error Where to store recoverable error, if any
*
* \return \c TRUE if the option was successfully parsed, or \c FALSE if an
* error occurred, in which case \p *error is set
*/
static gboolean
command_cb(const gchar *option_name, const gchar *optarg, gpointer data,
GError **error)
{
// Sorted by enum rsc_command name
if (pcmk__str_any_of(option_name, "-B", "--ban", NULL)) {
options.rsc_cmd = cmd_ban;
} else if (pcmk__str_any_of(option_name, "-C", "--cleanup", NULL)) {
options.rsc_cmd = cmd_cleanup;
} else if (pcmk__str_any_of(option_name, "-U", "--clear", NULL)) {
options.rsc_cmd = cmd_clear;
} else if (pcmk__str_any_of(option_name, "-a", "--constraints", NULL)) {
options.rsc_cmd = cmd_colocations;
} else if (pcmk__str_any_of(option_name, "-A", "--stack", NULL)) {
options.rsc_cmd = cmd_colocations;
options.recursive = TRUE;
} else if (pcmk__str_any_of(option_name, "-c", "--list-cts", NULL)) {
options.rsc_cmd = cmd_cts;
} else if (pcmk__str_any_of(option_name, "-D", "--delete", NULL)) {
options.rsc_cmd = cmd_delete;
} else if (pcmk__str_any_of(option_name, "-d", "--delete-parameter",
NULL)) {
options.rsc_cmd = cmd_delete_param;
pcmk__str_update(&options.prop_name, optarg);
} else if (pcmk__str_eq(option_name, "--digests", pcmk__str_none)) {
options.rsc_cmd = cmd_digests;
if (options.override_params == NULL) {
options.override_params = pcmk__strkey_table(free, free);
}
} else if (pcmk__str_any_of(option_name,
"--force-demote", "--force-promote",
"--force-start", "--force-stop",
"--force-check", "--validate", NULL)) {
options.rsc_cmd = cmd_execute_agent;
g_free(options.operation);
options.operation = g_strdup(option_name + 2); // skip "--"
if (options.override_params == NULL) {
options.override_params = pcmk__strkey_table(free, free);
}
if (optarg != NULL) {
if (pcmk__scan_min_int(optarg, &options.check_level,
0) != pcmk_rc_ok) {
g_set_error(error, G_OPTION_ERROR, CRM_EX_INVALID_PARAM,
_("Invalid check level setting: %s"), optarg);
return FALSE;
}
}
} else if (pcmk__str_any_of(option_name, "-F", "--fail", NULL)) {
options.rsc_cmd = cmd_fail;
} else if (pcmk__str_any_of(option_name, "-g", "--get-parameter", NULL)) {
options.rsc_cmd = cmd_get_param;
pcmk__str_update(&options.prop_name, optarg);
} else if (pcmk__str_any_of(option_name, "-G", "--get-property", NULL)) {
options.rsc_cmd = cmd_get_property;
pcmk__str_update(&options.prop_name, optarg);
} else if (pcmk__str_any_of(option_name, "-O", "--list-operations", NULL)) {
options.rsc_cmd = cmd_list_active_ops;
} else if (pcmk__str_eq(option_name, "--list-agents", pcmk__str_none)) {
options.rsc_cmd = cmd_list_agents;
pcmk__str_update(&options.agent_spec, optarg);
} else if (pcmk__str_any_of(option_name, "-o", "--list-all-operations",
NULL)) {
options.rsc_cmd = cmd_list_all_ops;
} else if (pcmk__str_eq(option_name, "--list-ocf-alternatives",
pcmk__str_none)) {
options.rsc_cmd = cmd_list_alternatives;
pcmk__str_update(&options.agent_spec, optarg);
} else if (pcmk__str_eq(option_name, "--list-options", pcmk__str_none)) {
options.rsc_cmd = cmd_list_options;
return validate_opt_list(optarg);
} else if (pcmk__str_any_of(option_name, "-l", "--list-raw", NULL)) {
options.rsc_cmd = cmd_list_instances;
} else if (pcmk__str_eq(option_name, "--list-ocf-providers",
pcmk__str_none)) {
options.rsc_cmd = cmd_list_providers;
pcmk__str_update(&options.agent_spec, optarg);
} else if (pcmk__str_any_of(option_name, "-L", "--list", NULL)) {
options.rsc_cmd = cmd_list_resources;
} else if (pcmk__str_eq(option_name, "--list-standards", pcmk__str_none)) {
options.rsc_cmd = cmd_list_standards;
} else if (pcmk__str_any_of(option_name, "-W", "--locate", NULL)) {
options.rsc_cmd = cmd_locate;
} else if (pcmk__str_eq(option_name, "--show-metadata", pcmk__str_none)) {
options.rsc_cmd = cmd_metadata;
pcmk__str_update(&options.agent_spec, optarg);
} else if (pcmk__str_any_of(option_name, "-M", "--move", NULL)) {
options.rsc_cmd = cmd_move;
} else if (pcmk__str_any_of(option_name, "-q", "--query-xml", NULL)) {
options.rsc_cmd = cmd_query_xml;
} else if (pcmk__str_any_of(option_name, "-w", "--query-xml-raw", NULL)) {
options.rsc_cmd = cmd_query_xml_raw;
} else if (pcmk__str_any_of(option_name, "-R", "--refresh", NULL)) {
options.rsc_cmd = cmd_refresh;
} else if (pcmk__str_eq(option_name, "--restart", pcmk__str_none)) {
options.rsc_cmd = cmd_restart;
} else if (pcmk__str_any_of(option_name, "-p", "--set-parameter", NULL)) {
options.rsc_cmd = cmd_set_param;
pcmk__str_update(&options.prop_name, optarg);
} else if (pcmk__str_any_of(option_name, "-S", "--set-property", NULL)) {
options.rsc_cmd = cmd_set_property;
pcmk__str_update(&options.prop_name, optarg);
} else if (pcmk__str_eq(option_name, "--wait", pcmk__str_none)) {
options.rsc_cmd = cmd_wait;
} else if (pcmk__str_any_of(option_name, "-Y", "--why", NULL)) {
options.rsc_cmd = cmd_why;
}
return TRUE;
}
/* short option letters still available: eEJkKXyYZ */
static GOptionEntry query_entries[] = {
{ "list", 'L', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb,
"List all cluster resources with status",
NULL },
{ "list-raw", 'l', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb,
"List IDs of all instantiated resources (individual members\n"
INDENT "rather than groups etc.)",
NULL },
{ "list-cts", 'c', G_OPTION_FLAG_HIDDEN|G_OPTION_FLAG_NO_ARG,
G_OPTION_ARG_CALLBACK, command_cb,
NULL,
NULL },
{ "list-operations", 'O', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK,
command_cb,
"List active resource operations, optionally filtered by\n"
INDENT "--resource and/or --node",
NULL },
{ "list-all-operations", 'o', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK,
command_cb,
"List all resource operations, optionally filtered by\n"
INDENT "--resource and/or --node",
NULL },
{ "list-options", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK, command_cb,
"List all available options of the given type.\n"
INDENT "Allowed values:\n"
INDENT PCMK__VALUE_PRIMITIVE " (primitive resource meta-attributes),\n"
INDENT PCMK_VALUE_FENCING " (parameters common to all fencing resources)",
"TYPE" },
{ "list-standards", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK,
command_cb,
"List supported standards",
NULL },
{ "list-ocf-providers", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK,
command_cb,
"List all available OCF providers",
NULL },
{ "list-agents", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK,
command_cb,
"List all agents available for the named standard and/or provider",
"STD:PROV" },
{ "list-ocf-alternatives", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK,
command_cb,
"List all available providers for the named OCF agent",
"AGENT" },
{ "show-metadata", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK, command_cb,
"Show the metadata for the named class:provider:agent",
"SPEC" },
{ "query-xml", 'q', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb,
"Show XML configuration of resource (after any template expansion)",
NULL },
{ "query-xml-raw", 'w', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK,
command_cb,
"Show XML configuration of resource (before any template expansion)",
NULL },
{ "get-parameter", 'g', G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK,
command_cb,
"Display named parameter for resource (use instance attribute\n"
INDENT "unless --element, --meta, or --utilization is specified)",
"PARAM" },
{ "get-property", 'G', G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK,
command_cb,
"Display named property of resource ('class', 'type', or 'provider') "
"(requires --resource)",
"PROPERTY" },
{ "locate", 'W', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb,
"Show node(s) currently running resource",
NULL },
{ "constraints", 'a', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK,
command_cb,
"Display the location and colocation constraints that apply to a\n"
INDENT "resource, and if --recursive is specified, to the resources\n"
INDENT "directly or indirectly involved in those colocations.\n"
INDENT "If the named resource is part of a group, or a clone or\n"
INDENT "bundle instance, constraints for the collective resource\n"
INDENT "will be shown unless --force is given.",
NULL },
{ "stack", 'A', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb,
"Equivalent to --constraints --recursive",
NULL },
{ "why", 'Y', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb,
"Show why resources are not running, optionally filtered by\n"
INDENT "--resource and/or --node",
NULL },
{ NULL }
};
static GOptionEntry command_entries[] = {
{ "validate", 0, G_OPTION_FLAG_OPTIONAL_ARG, G_OPTION_ARG_CALLBACK,
command_cb,
"Validate resource configuration by calling agent's validate-all\n"
INDENT "action. The configuration may be specified either by giving an\n"
INDENT "existing resource name with -r, or by specifying --class,\n"
INDENT "--agent, and --provider arguments, along with any number of\n"
INDENT "--option arguments. An optional LEVEL argument can be given\n"
INDENT "to control the level of checking performed.",
"LEVEL" },
{ "cleanup", 'C', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb,
"If resource has any past failures, clear its history and fail\n"
INDENT "count. Optionally filtered by --resource, --node, --operation\n"
INDENT "and --interval (otherwise all). --operation and --interval\n"
INDENT "apply to fail counts, but entire history is always clear, to\n"
INDENT "allow current state to be rechecked. If the named resource is\n"
INDENT "part of a group, or one numbered instance of a clone or bundled\n"
INDENT "resource, the clean-up applies to the whole collective resource\n"
INDENT "unless --force is given.",
NULL },
{ "refresh", 'R', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb,
"Delete resource's history (including failures) so its current state\n"
INDENT "is rechecked. Optionally filtered by --resource and --node\n"
INDENT "(otherwise all). If the named resource is part of a group, or one\n"
INDENT "numbered instance of a clone or bundled resource, the refresh\n"
INDENT "applies to the whole collective resource unless --force is given.",
NULL },
{ "set-parameter", 'p', G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK,
command_cb,
"Set named parameter for resource (requires -v). Use instance\n"
INDENT "attribute unless --element, --meta, or --utilization is "
"specified.",
"PARAM" },
{ "delete-parameter", 'd', G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK,
command_cb,
"Delete named parameter for resource. Use instance attribute\n"
INDENT "unless --element, --meta or, --utilization is specified.",
"PARAM" },
{ "set-property", 'S', G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK,
command_cb,
"Set named property of resource ('class', 'type', or 'provider') "
"(requires -r, -t, -v)",
"PROPERTY" },
{ NULL }
};
static GOptionEntry location_entries[] = {
{ "move", 'M', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb,
"Create a constraint to move resource. If --node is specified,\n"
INDENT "the constraint will be to move to that node, otherwise it\n"
INDENT "will be to ban the current node. Unless --force is specified\n"
INDENT "this will return an error if the resource is already running\n"
INDENT "on the specified node. If --force is specified, this will\n"
INDENT "always ban the current node.\n"
INDENT "Optional: --lifetime, --promoted. NOTE: This may prevent the\n"
INDENT "resource from running on its previous location until the\n"
INDENT "implicit constraint expires or is removed with --clear.",
NULL },
{ "ban", 'B', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb,
"Create a constraint to keep resource off a node.\n"
INDENT "Optional: --node, --lifetime, --promoted.\n"
INDENT "NOTE: This will prevent the resource from running on the\n"
INDENT "affected node until the implicit constraint expires or is\n"
INDENT "removed with --clear. If --node is not specified, it defaults\n"
INDENT "to the node currently running the resource for primitives\n"
INDENT "and groups, or the promoted instance of promotable clones with\n"
INDENT PCMK_META_PROMOTED_MAX "=1 (all other situations result in an\n"
INDENT "error as there is no sane default).",
NULL },
{ "clear", 'U', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb,
"Remove all constraints created by the --ban and/or --move\n"
INDENT "commands. Requires: --resource. Optional: --node, --promoted,\n"
INDENT "--expired. If --node is not specified, all constraints created\n"
INDENT "by --ban and --move will be removed for the named resource. If\n"
INDENT "--node and --force are specified, any constraint created by\n"
INDENT "--move will be cleared, even if it is not for the specified\n"
INDENT "node. If --expired is specified, only those constraints whose\n"
INDENT "lifetimes have expired will be removed.",
NULL },
{ "expired", 'e', G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE,
&options.clear_expired,
"Modifies the --clear argument to remove constraints with\n"
INDENT "expired lifetimes.",
NULL },
{ "lifetime", 'u', G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, &options.move_lifetime,
"Lifespan (as ISO 8601 duration) of created constraints (with\n"
INDENT "-B, -M) see https://en.wikipedia.org/wiki/ISO_8601#Durations)",
"TIMESPEC" },
{ "promoted", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE,
&options.promoted_role_only,
"Limit scope of command to promoted role (with -B, -M, -U). For\n"
INDENT "-B and -M, previously promoted instances may remain\n"
INDENT "active in the unpromoted role.",
NULL },
// Deprecated since 2.1.0
{ "master", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE,
&options.promoted_role_only,
"Deprecated: Use --promoted instead", NULL },
{ NULL }
};
static GOptionEntry advanced_entries[] = {
{ "delete", 'D', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb,
"(Advanced) Delete a resource from the CIB. Required: -t",
NULL },
{ "fail", 'F', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb,
"(Advanced) Tell the cluster this resource has failed",
NULL },
{ "restart", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb,
"(Advanced) Tell the cluster to restart this resource and\n"
INDENT "anything that depends on it",
NULL },
{ "wait", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb,
"(Advanced) Wait until the cluster settles into a stable state",
NULL },
{ "digests", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb,
"(Advanced) Show parameter hashes that Pacemaker uses to detect\n"
INDENT "configuration changes (only accurate if there is resource\n"
INDENT "history on the specified node). Required: --resource, --node.\n"
INDENT "Optional: any NAME=VALUE parameters will be used to override\n"
INDENT "the configuration (to see what the hash would be with those\n"
INDENT "changes).",
NULL },
{ "force-demote", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK,
command_cb,
"(Advanced) Bypass the cluster and demote a resource on the local\n"
INDENT "node. Unless --force is specified, this will refuse to do so if\n"
INDENT "the cluster believes the resource is a clone instance already\n"
INDENT "running on the local node.",
NULL },
{ "force-stop", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb,
"(Advanced) Bypass the cluster and stop a resource on the local node",
NULL },
{ "force-start", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb,
"(Advanced) Bypass the cluster and start a resource on the local\n"
INDENT "node. Unless --force is specified, this will refuse to do so if\n"
INDENT "the cluster believes the resource is a clone instance already\n"
INDENT "running on the local node.",
NULL },
{ "force-promote", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK,
command_cb,
"(Advanced) Bypass the cluster and promote a resource on the local\n"
INDENT "node. Unless --force is specified, this will refuse to do so if\n"
INDENT "the cluster believes the resource is a clone instance already\n"
INDENT "running on the local node.",
NULL },
{ "force-check", 0, G_OPTION_FLAG_OPTIONAL_ARG, G_OPTION_ARG_CALLBACK,
command_cb,
"(Advanced) Bypass the cluster and check the state of a resource on\n"
INDENT "the local node. An optional LEVEL argument can be given\n"
INDENT "to control the level of checking performed.",
"LEVEL" },
{ NULL }
};
static GOptionEntry addl_entries[] = {
{ "node", 'N', G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, &options.host_uname,
"Node name",
"NAME" },
{ "recursive", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, &options.recursive,
"Follow colocation chains when using --set-parameter or --constraints",
NULL },
{ "resource-type", 't', G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, &options.rsc_type,
"Resource XML element (primitive, group, etc.) (with -D)",
"ELEMENT" },
{ "parameter-value", 'v', G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, &options.prop_value,
"Value to use with -p",
"PARAM" },
{ "meta", 'm', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, attr_set_type_cb,
"Use resource meta-attribute instead of instance attribute\n"
INDENT "(with -p, -g, -d)",
NULL },
{ "utilization", 'z', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, attr_set_type_cb,
"Use resource utilization attribute instead of instance attribute\n"
INDENT "(with -p, -g, -d)",
NULL },
{ "element", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, attr_set_type_cb,
"Use resource element attribute instead of instance attribute\n"
INDENT "(with -p, -g, -d)",
NULL },
{ "operation", 'n', G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, &options.operation,
"Operation to clear instead of all (with -C -r)",
"OPERATION" },
{ "interval", 'I', G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, &options.interval_spec,
"Interval of operation to clear (default 0) (with -C -r -n)",
"N" },
{ "class", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK, cmdline_config_cb,
"The standard the resource agent conforms to (for example, ocf).\n"
INDENT "Use with --agent, --provider, --option, and --validate.",
"CLASS" },
{ "agent", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK, cmdline_config_cb,
"The agent to use (for example, IPaddr). Use with --class,\n"
INDENT "--provider, --option, and --validate.",
"AGENT" },
{ "provider", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK,
cmdline_config_cb,
"The vendor that supplies the resource agent (for example,\n"
INDENT "heartbeat). Use with --class, --agent, --option, and --validate.",
"PROVIDER" },
{ "option", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK, option_cb,
"Specify a device configuration parameter as NAME=VALUE (may be\n"
INDENT "specified multiple times). Use with --validate and without the\n"
INDENT "-r option.",
"PARAM" },
{ "set-name", 's', G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, &options.prop_set,
"(Advanced) XML ID of attributes element to use (with -p, -d)",
"ID" },
{ "nvpair", 'i', G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, &options.prop_id,
"(Advanced) XML ID of nvpair element to use (with -p, -d)",
"ID" },
{ "timeout", 'T', G_OPTION_FLAG_NONE, G_OPTION_ARG_CALLBACK, timeout_cb,
"(Advanced) Abort if command does not finish in this time (with\n"
INDENT "--restart, --wait, --force-*)",
"N" },
{ "all", 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, &options.all,
"List all options, including advanced and deprecated (with\n"
INDENT "--list-options)",
NULL },
{ "force", 'f', G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, &options.force,
"Force the action to be performed. See help for individual commands for\n"
INDENT "additional behavior.",
NULL },
{ "xml-file", 'x', G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_FILENAME, &options.xml_file,
NULL,
"FILE" },
{ "host-uname", 'H', G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_STRING, &options.host_uname,
NULL,
"HOST" },
{ NULL }
};
gboolean
attr_set_type_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) {
if (pcmk__str_any_of(option_name, "-m", "--meta", NULL)) {
options.attr_set_type = PCMK_XE_META_ATTRIBUTES;
} else if (pcmk__str_any_of(option_name, "-z", "--utilization", NULL)) {
options.attr_set_type = PCMK_XE_UTILIZATION;
} else if (pcmk__str_eq(option_name, "--element", pcmk__str_none)) {
options.attr_set_type = ATTR_SET_ELEMENT;
}
return TRUE;
}
gboolean
cmdline_config_cb(const gchar *option_name, const gchar *optarg, gpointer data,
GError **error)
{
options.cmdline_config = true;
if (pcmk__str_eq(option_name, "--class", pcmk__str_none)) {
pcmk__str_update(&options.v_class, optarg);
} else if (pcmk__str_eq(option_name, "--provider", pcmk__str_none)) {
pcmk__str_update(&options.v_provider, optarg);
} else { // --agent
pcmk__str_update(&options.v_agent, optarg);
}
return TRUE;
}
gboolean
option_cb(const gchar *option_name, const gchar *optarg, gpointer data,
GError **error)
{
char *name = NULL;
char *value = NULL;
if (pcmk__scan_nvpair(optarg, &name, &value) != 2) {
return FALSE;
}
if (options.cmdline_params == NULL) {
options.cmdline_params = pcmk__strkey_table(free, free);
}
g_hash_table_replace(options.cmdline_params, name, value);
return TRUE;
}
gboolean
timeout_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) {
long long timeout_ms = crm_get_msec(optarg);
if (timeout_ms < 0) {
// @COMPAT When we can break backward compatibilty, return FALSE
crm_warn("Ignoring invalid timeout '%s'", optarg);
options.timeout_ms = 0U;
} else {
options.timeout_ms = (guint) QB_MIN(timeout_ms, UINT_MAX);
}
return TRUE;
}
static int
ban_or_move(pcmk__output_t *out, pcmk_resource_t *rsc,
const char *move_lifetime)
{
int rc = pcmk_rc_ok;
pcmk_node_t *current = NULL;
unsigned int nactive = 0;
CRM_CHECK(rsc != NULL, return EINVAL);
current = pe__find_active_requires(rsc, &nactive);
if (nactive == 1) {
rc = cli_resource_ban(out, options.rsc_id, current->details->uname, move_lifetime,
cib_conn, cib_sync_call,
options.promoted_role_only, PCMK_ROLE_PROMOTED);
} else if (pcmk_is_set(rsc->flags, pcmk_rsc_promotable)) {
int count = 0;
GList *iter = NULL;
current = NULL;
for(iter = rsc->children; iter; iter = iter->next) {
pcmk_resource_t *child = (pcmk_resource_t *)iter->data;
enum rsc_role_e child_role = child->private->fns->state(child,
TRUE);
if (child_role == pcmk_role_promoted) {
count++;
current = pcmk__current_node(child);
}
}
if(count == 1 && current) {
rc = cli_resource_ban(out, options.rsc_id, current->details->uname, move_lifetime,
cib_conn, cib_sync_call,
options.promoted_role_only,
PCMK_ROLE_PROMOTED);
} else {
rc = EINVAL;
g_set_error(&error, PCMK__EXITC_ERROR, CRM_EX_USAGE,
_("Resource '%s' not moved: active in %d locations (promoted in %d).\n"
"To prevent '%s' from running on a specific location, "
"specify a node."
"To prevent '%s' from being promoted at a specific "
"location, specify a node and the --promoted option."),
options.rsc_id, nactive, count, options.rsc_id, options.rsc_id);
}
} else {
rc = EINVAL;
g_set_error(&error, PCMK__EXITC_ERROR, CRM_EX_USAGE,
_("Resource '%s' not moved: active in %d locations.\n"
"To prevent '%s' from running on a specific location, "
"specify a node."),
options.rsc_id, nactive, options.rsc_id);
}
return rc;
}
static void
cleanup(pcmk__output_t *out, pcmk_resource_t *rsc, pcmk_node_t *node)
{
int rc = pcmk_rc_ok;
if (options.force == FALSE) {
rsc = uber_parent(rsc);
}
crm_debug("Erasing failures of %s (%s requested) on %s",
rsc->id, options.rsc_id, (options.host_uname? options.host_uname: "all nodes"));
rc = cli_resource_delete(controld_api, options.host_uname, rsc,
options.operation, options.interval_spec, TRUE,
scheduler, options.force);
if ((rc == pcmk_rc_ok) && !out->is_quiet(out)) {
// Show any reasons why resource might stay stopped
cli_resource_check(out, rsc, node);
}
if (rc == pcmk_rc_ok) {
start_mainloop(controld_api);
}
}
static int
clear_constraints(pcmk__output_t *out, xmlNodePtr *cib_xml_copy)
{
GList *before = NULL;
GList *after = NULL;
GList *remaining = NULL;
GList *ele = NULL;
pcmk_node_t *dest = NULL;
int rc = pcmk_rc_ok;
if (!out->is_quiet(out)) {
before = build_constraint_list(scheduler->input);
}
if (options.clear_expired) {
rc = cli_resource_clear_all_expired(scheduler->input, cib_conn,
cib_sync_call, options.rsc_id,
options.host_uname,
options.promoted_role_only);
} else if (options.host_uname) {
dest = pcmk_find_node(scheduler, options.host_uname);
if (dest == NULL) {
rc = pcmk_rc_node_unknown;
if (!out->is_quiet(out)) {
g_list_free(before);
}
return rc;
}
rc = cli_resource_clear(options.rsc_id, dest->details->uname, NULL,
cib_conn, cib_sync_call, true, options.force);
} else {
rc = cli_resource_clear(options.rsc_id, NULL, scheduler->nodes,
cib_conn, cib_sync_call, true, options.force);
}
if (!out->is_quiet(out)) {
rc = cib_conn->cmds->query(cib_conn, NULL, cib_xml_copy, cib_scope_local | cib_sync_call);
rc = pcmk_legacy2rc(rc);
if (rc != pcmk_rc_ok) {
g_set_error(&error, PCMK__RC_ERROR, rc,
_("Could not get modified CIB: %s\n"), pcmk_rc_str(rc));
g_list_free(before);
pcmk__xml_free(*cib_xml_copy);
*cib_xml_copy = NULL;
return rc;
}
scheduler->input = *cib_xml_copy;
cluster_status(scheduler);
after = build_constraint_list(scheduler->input);
remaining = pcmk__subtract_lists(before, after, (GCompareFunc) strcmp);
for (ele = remaining; ele != NULL; ele = ele->next) {
out->info(out, "Removing constraint: %s", (char *) ele->data);
}
g_list_free(before);
g_list_free(after);
g_list_free(remaining);
}
return rc;
}
static int
initialize_scheduler_data(xmlNodePtr *cib_xml_copy)
{
int rc = pcmk_rc_ok;
if (options.xml_file != NULL) {
*cib_xml_copy = pcmk__xml_read(options.xml_file);
if (*cib_xml_copy == NULL) {
rc = pcmk_rc_cib_corrupt;
}
} else {
rc = cib_conn->cmds->query(cib_conn, NULL, cib_xml_copy, cib_scope_local | cib_sync_call);
rc = pcmk_legacy2rc(rc);
}
if (rc == pcmk_rc_ok) {
scheduler = pe_new_working_set();
if (scheduler == NULL) {
rc = ENOMEM;
} else {
pcmk__set_scheduler_flags(scheduler,
pcmk_sched_no_counts
|pcmk_sched_no_compat);
scheduler->priv = out;
rc = update_scheduler_input(scheduler, cib_xml_copy);
}
}
if (rc != pcmk_rc_ok) {
pcmk__xml_free(*cib_xml_copy);
*cib_xml_copy = NULL;
return rc;
}
cluster_status(scheduler);
return pcmk_rc_ok;
}
static void
list_options(void)
{
switch (options.opt_list) {
case pcmk__opt_fencing:
exit_code = pcmk_rc2exitc(pcmk__list_fencing_params(out,
options.all));
break;
case pcmk__opt_primitive:
exit_code = pcmk_rc2exitc(pcmk__list_primitive_meta(out,
options.all));
break;
default:
exit_code = CRM_EX_SOFTWARE;
g_set_error(&error, PCMK__EXITC_ERROR, exit_code,
"BUG: Invalid option list type");
break;
}
}
static int
refresh(pcmk__output_t *out)
{
int rc = pcmk_rc_ok;
const char *router_node = options.host_uname;
int attr_options = pcmk__node_attr_none;
if (options.host_uname) {
pcmk_node_t *node = pcmk_find_node(scheduler, options.host_uname);
if (pcmk__is_pacemaker_remote_node(node)) {
node = pcmk__current_node(node->details->remote_rsc);
if (node == NULL) {
rc = ENXIO;
g_set_error(&error, PCMK__RC_ERROR, rc,
_("No cluster connection to Pacemaker Remote node %s detected"),
options.host_uname);
return rc;
}
router_node = node->details->uname;
attr_options |= pcmk__node_attr_remote;
}
}
if (controld_api == NULL) {
out->info(out, "Dry run: skipping clean-up of %s due to CIB_file",
options.host_uname? options.host_uname : "all nodes");
rc = pcmk_rc_ok;
return rc;
}
crm_debug("Re-checking the state of all resources on %s", options.host_uname?options.host_uname:"all nodes");
rc = pcmk__attrd_api_clear_failures(NULL, options.host_uname, NULL,
NULL, NULL, NULL, attr_options);
if (pcmk_controld_api_reprobe(controld_api, options.host_uname,
router_node) == pcmk_rc_ok) {
start_mainloop(controld_api);
}
return rc;
}
static void
refresh_resource(pcmk__output_t *out, pcmk_resource_t *rsc, pcmk_node_t *node)
{
int rc = pcmk_rc_ok;
if (options.force == FALSE) {
rsc = uber_parent(rsc);
}
crm_debug("Re-checking the state of %s (%s requested) on %s",
rsc->id, options.rsc_id, (options.host_uname? options.host_uname: "all nodes"));
rc = cli_resource_delete(controld_api, options.host_uname, rsc, NULL, 0,
FALSE, scheduler, options.force);
if ((rc == pcmk_rc_ok) && !out->is_quiet(out)) {
// Show any reasons why resource might stay stopped
cli_resource_check(out, rsc, node);
}
if (rc == pcmk_rc_ok) {
start_mainloop(controld_api);
}
}
static int
set_property(void)
{
int rc = pcmk_rc_ok;
xmlNode *msg_data = NULL;
if (pcmk__str_empty(options.rsc_type)) {
g_set_error(&error, PCMK__EXITC_ERROR, CRM_EX_USAGE,
_("Must specify -t with resource type"));
rc = ENXIO;
return rc;
} else if (pcmk__str_empty(options.prop_value)) {
g_set_error(&error, PCMK__EXITC_ERROR, CRM_EX_USAGE,
_("Must supply -v with new value"));
rc = ENXIO;
return rc;
}
CRM_LOG_ASSERT(options.prop_name != NULL);
msg_data = pcmk__xe_create(NULL, options.rsc_type);
crm_xml_add(msg_data, PCMK_XA_ID, options.rsc_id);
crm_xml_add(msg_data, options.prop_name, options.prop_value);
rc = cib_conn->cmds->modify(cib_conn, PCMK_XE_RESOURCES, msg_data,
cib_sync_call);
rc = pcmk_legacy2rc(rc);
pcmk__xml_free(msg_data);
return rc;
}
static int
show_metadata(pcmk__output_t *out, const char *agent_spec)
{
int rc = pcmk_rc_ok;
char *standard = NULL;
char *provider = NULL;
char *type = NULL;
char *metadata = NULL;
lrmd_t *lrmd_conn = NULL;
rc = lrmd__new(&lrmd_conn, NULL, NULL, 0);
if (rc != pcmk_rc_ok) {
g_set_error(&error, PCMK__RC_ERROR, rc,
_("Could not create executor connection"));
lrmd_api_delete(lrmd_conn);
return rc;
}
rc = crm_parse_agent_spec(agent_spec, &standard, &provider, &type);
rc = pcmk_legacy2rc(rc);
if (rc == pcmk_rc_ok) {
rc = lrmd_conn->cmds->get_metadata(lrmd_conn, standard,
provider, type,
&metadata, 0);
rc = pcmk_legacy2rc(rc);
if (metadata) {
out->output_xml(out, PCMK_XE_METADATA, metadata);
free(metadata);
} else {
/* We were given a validly formatted spec, but it doesn't necessarily
* match up with anything that exists. Use ENXIO as the return code
* here because that maps to an exit code of CRM_EX_NOSUCH, which
* probably is the most common reason to get here.
*/
rc = ENXIO;
g_set_error(&error, PCMK__RC_ERROR, rc,
_("Metadata query for %s failed: %s"),
agent_spec, pcmk_rc_str(rc));
}
} else {
rc = ENXIO;
g_set_error(&error, PCMK__RC_ERROR, rc,
_("'%s' is not a valid agent specification"), agent_spec);
}
lrmd_api_delete(lrmd_conn);
return rc;
}
static void
validate_cmdline_config(void)
{
// Cannot use both --resource and command-line resource configuration
if (options.rsc_id != NULL) {
g_set_error(&error, PCMK__EXITC_ERROR, CRM_EX_USAGE,
_("--resource cannot be used with --class, --agent, and --provider"));
// Not all commands support command-line resource configuration
} else if (options.rsc_cmd != cmd_execute_agent) {
g_set_error(&error, PCMK__EXITC_ERROR, CRM_EX_USAGE,
_("--class, --agent, and --provider can only be used with "
"--validate and --force-*"));
// Not all of --class, --agent, and --provider need to be given. Not all
// classes support the concept of a provider. Check that what we were given
// is valid.
} else if (pcmk__str_eq(options.v_class, "stonith", pcmk__str_none)) {
if (options.v_provider != NULL) {
g_set_error(&error, PCMK__EXITC_ERROR, CRM_EX_USAGE,
_("stonith does not support providers"));
} else if (stonith_agent_exists(options.v_agent, 0) == FALSE) {
g_set_error(&error, PCMK__EXITC_ERROR, CRM_EX_USAGE,
_("%s is not a known stonith agent"), options.v_agent ? options.v_agent : "");
}
} else if (resources_agent_exists(options.v_class, options.v_provider, options.v_agent) == FALSE) {
g_set_error(&error, PCMK__EXITC_ERROR, CRM_EX_USAGE,
_("%s:%s:%s is not a known resource"),
options.v_class ? options.v_class : "",
options.v_provider ? options.v_provider : "",
options.v_agent ? options.v_agent : "");
}
if ((error == NULL) && (options.cmdline_params == NULL)) {
options.cmdline_params = pcmk__strkey_table(free, free);
}
}
/*!
* \internal
* \brief Get the <tt>enum pe_find</tt> flags for a given command
*
* \return <tt>enum pe_find</tt> flag group appropriate for \c options.rsc_cmd.
*/
static uint32_t
get_find_flags(void)
{
switch (options.rsc_cmd) {
case cmd_ban:
case cmd_cleanup:
case cmd_clear:
case cmd_colocations:
case cmd_digests:
case cmd_execute_agent:
case cmd_locate:
case cmd_move:
case cmd_refresh:
case cmd_restart:
case cmd_why:
return pcmk_rsc_match_history|pcmk_rsc_match_anon_basename;
// @COMPAT See note in is_scheduler_required()
case cmd_delete:
case cmd_delete_param:
case cmd_get_param:
case cmd_get_property:
case cmd_query_xml_raw:
case cmd_query_xml:
case cmd_set_param:
case cmd_set_property:
return pcmk_rsc_match_history|pcmk_rsc_match_basename;
default:
return 0;
}
}
/*!
* \internal
* \brief Check whether a node argument is required
*
* \return \c true if a \c --node argument is required, or \c false otherwise
*/
static bool
is_node_required(void)
{
switch (options.rsc_cmd) {
case cmd_digests:
case cmd_fail:
return true;
default:
return false;
}
}
/*!
* \internal
* \brief Check whether a resource argument is required
*
* \return \c true if a \c --resource argument is required, or \c false
* otherwise
*/
static bool
is_resource_required(void)
{
if (options.cmdline_config) {
return false;
}
switch (options.rsc_cmd) {
case cmd_clear:
return !options.clear_expired;
case cmd_cleanup:
case cmd_cts:
case cmd_list_active_ops:
case cmd_list_agents:
case cmd_list_all_ops:
case cmd_list_alternatives:
case cmd_list_instances:
case cmd_list_options:
case cmd_list_providers:
case cmd_list_resources:
case cmd_list_standards:
case cmd_metadata:
case cmd_refresh:
case cmd_wait:
case cmd_why:
return false;
default:
return true;
}
}
/*!
* \internal
* \brief Check whether a CIB connection is required
*
* \return \c true if a CIB connection is required, or \c false otherwise
*/
static bool
is_cib_required(void)
{
if (options.cmdline_config) {
return false;
}
switch (options.rsc_cmd) {
case cmd_list_agents:
case cmd_list_alternatives:
case cmd_list_options:
case cmd_list_providers:
case cmd_list_standards:
case cmd_metadata:
return false;
default:
return true;
}
}
/*!
* \internal
* \brief Check whether a controller IPC connection is required
*
* \return \c true if a controller connection is required, or \c false otherwise
*/
static bool
is_controller_required(void)
{
switch (options.rsc_cmd) {
case cmd_cleanup:
case cmd_refresh:
return getenv("CIB_file") == NULL;
case cmd_fail:
return true;
default:
return false;
}
}
/*!
* \internal
* \brief Check whether a scheduler IPC connection is required
*
* \return \c true if a scheduler connection is required, or \c false otherwise
*/
static bool
is_scheduler_required(void)
{
if (options.cmdline_config) {
return false;
}
/* @COMPAT cmd_delete does not actually need the scheduler and should not
* set find_flags. However, crm_resource --delete currently throws a
* "resource not found" error if the resource doesn't exist. This is
* incorrect behavior (deleting a nonexistent resource should be considered
* success); however, we shouldn't change it until 3.0.0.
*/
switch (options.rsc_cmd) {
case cmd_list_agents:
case cmd_list_alternatives:
case cmd_list_options:
case cmd_list_providers:
case cmd_list_standards:
case cmd_metadata:
case cmd_wait:
return false;
default:
return true;
}
}
/*!
* \internal
* \brief Check whether the chosen command accepts clone instances
*
* \return \c true if \p options.rsc_cmd accepts or ignores clone instances, or
* \c false otherwise
*/
static bool
accept_clone_instance(void)
{
// @COMPAT At 3.0.0, add cmd_delete; for now, don't throw error
switch (options.rsc_cmd) {
case cmd_ban:
case cmd_clear:
case cmd_move:
case cmd_restart:
return false;
default:
return true;
}
}
static GOptionContext *
build_arg_context(pcmk__common_args_t *args, GOptionGroup **group) {
GOptionContext *context = NULL;
GOptionEntry extra_prog_entries[] = {
{ "quiet", 'Q', G_OPTION_FLAG_NONE, G_OPTION_ARG_NONE, &(args->quiet),
"Be less descriptive in output.",
NULL },
{ "resource", 'r', G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, &options.rsc_id,
"Resource ID",
"ID" },
{ G_OPTION_REMAINING, 0, G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING_ARRAY, &options.remainder,
NULL,
NULL },
{ NULL }
};
const char *description = "Examples:\n\n"
"List the available OCF agents:\n\n"
"\t# crm_resource --list-agents ocf\n\n"
"List the available OCF agents from the linux-ha project:\n\n"
"\t# crm_resource --list-agents ocf:heartbeat\n\n"
"Move 'myResource' to a specific node:\n\n"
"\t# crm_resource --resource myResource --move --node altNode\n\n"
"Allow (but not force) 'myResource' to move back to its original "
"location:\n\n"
"\t# crm_resource --resource myResource --clear\n\n"
"Stop 'myResource' (and anything that depends on it):\n\n"
"\t# crm_resource --resource myResource --set-parameter "
PCMK_META_TARGET_ROLE "--meta --parameter-value Stopped\n\n"
"Tell the cluster not to manage 'myResource' (the cluster will not "
"attempt to start or stop the\n"
"resource under any circumstances; useful when performing maintenance "
"tasks on a resource):\n\n"
"\t# crm_resource --resource myResource --set-parameter "
PCMK_META_IS_MANAGED "--meta --parameter-value false\n\n"
"Erase the operation history of 'myResource' on 'aNode' (the cluster "
"will 'forget' the existing\n"
"resource state, including any errors, and attempt to recover the"
"resource; useful when a resource\n"
"had failed permanently and has been repaired by an administrator):\n\n"
"\t# crm_resource --resource myResource --cleanup --node aNode\n\n";
context = pcmk__build_arg_context(args, "text (default), xml", group, NULL);
g_option_context_set_description(context, description);
/* Add the -Q option, which cannot be part of the globally supported options
* because some tools use that flag for something else.
*/
pcmk__add_main_args(context, extra_prog_entries);
pcmk__add_arg_group(context, "queries", "Queries:",
"Show query help", query_entries);
pcmk__add_arg_group(context, "commands", "Commands:",
"Show command help", command_entries);
pcmk__add_arg_group(context, "locations", "Locations:",
"Show location help", location_entries);
pcmk__add_arg_group(context, "advanced", "Advanced:",
"Show advanced option help", advanced_entries);
pcmk__add_arg_group(context, "additional", "Additional Options:",
"Show additional options", addl_entries);
return context;
}
int
main(int argc, char **argv)
{
xmlNode *cib_xml_copy = NULL;
pcmk_resource_t *rsc = NULL;
pcmk_node_t *node = NULL;
uint32_t find_flags = 0;
int rc = pcmk_rc_ok;
GOptionGroup *output_group = NULL;
gchar **processed_args = NULL;
GOptionContext *context = NULL;
/*
* Parse command line arguments
*/
args = pcmk__new_common_args(SUMMARY);
processed_args = pcmk__cmdline_preproc(argv, "GHINSTdginpstuvx");
context = build_arg_context(args, &output_group);
pcmk__register_formats(output_group, formats);
if (!g_option_context_parse_strv(context, &processed_args, &error)) {
exit_code = CRM_EX_USAGE;
goto done;
}
pcmk__cli_init_logging("crm_resource", args->verbosity);
rc = pcmk__output_new(&out, args->output_ty, args->output_dest, argv);
if (rc != pcmk_rc_ok) {
exit_code = CRM_EX_ERROR;
g_set_error(&error, PCMK__EXITC_ERROR, exit_code, _("Error creating output format %s: %s"),
args->output_ty, pcmk_rc_str(rc));
goto done;
}
pe__register_messages(out);
crm_resource_register_messages(out);
lrmd__register_messages(out);
pcmk__register_lib_messages(out);
out->quiet = args->quiet;
crm_log_args(argc, argv);
/*
* Validate option combinations
*/
// --expired without --clear/-U doesn't make sense
if (options.clear_expired && (options.rsc_cmd != cmd_clear)) {
exit_code = CRM_EX_USAGE;
g_set_error(&error, PCMK__EXITC_ERROR, exit_code, _("--expired requires --clear or -U"));
goto done;
}
if ((options.remainder != NULL) && (options.override_params != NULL)) {
// Commands that use positional arguments will create override_params
for (gchar **s = options.remainder; *s; s++) {
char *name = pcmk__assert_alloc(1, strlen(*s));
char *value = pcmk__assert_alloc(1, strlen(*s));
int rc = sscanf(*s, "%[^=]=%s", name, value);
if (rc == 2) {
g_hash_table_replace(options.override_params, name, value);
} else {
exit_code = CRM_EX_USAGE;
g_set_error(&error, PCMK__EXITC_ERROR, exit_code,
_("Error parsing '%s' as a name=value pair"),
argv[optind]);
free(value);
free(name);
goto done;
}
}
} else if (options.remainder != NULL) {
gchar **strv = NULL;
gchar *msg = NULL;
int i = 1;
int len = 0;
for (gchar **s = options.remainder; *s; s++) {
len++;
}
CRM_ASSERT(len > 0);
/* Add 1 for the strv[0] string below, and add another 1 for the NULL
* at the end of the array so g_strjoinv knows when to stop.
*/
strv = pcmk__assert_alloc(len+2, sizeof(char *));
strv[0] = strdup("non-option ARGV-elements:\n");
for (gchar **s = options.remainder; *s; s++) {
strv[i] = crm_strdup_printf("[%d of %d] %s\n", i, len, *s);
i++;
}
strv[i] = NULL;
exit_code = CRM_EX_USAGE;
msg = g_strjoinv("", strv);
g_set_error(&error, PCMK__EXITC_ERROR, exit_code, "%s", msg);
g_free(msg);
/* Don't try to free the last element, which is just NULL. */
for(i = 0; i < len+1; i++) {
free(strv[i]);
}
free(strv);
goto done;
}
if (pcmk__str_eq(args->output_ty, "xml", pcmk__str_none)) {
switch (options.rsc_cmd) {
/* These are the only commands that have historically used the <list>
* elements in their XML schema. For all others, use the simple list
* argument.
*/
case cmd_get_param:
case cmd_get_property:
case cmd_list_instances:
case cmd_list_standards:
pcmk__output_enable_list_element(out);
break;
default:
break;
}
} else if (pcmk__str_eq(args->output_ty, "text", pcmk__str_null_matches)) {
switch (options.rsc_cmd) {
case cmd_colocations:
case cmd_list_resources:
pcmk__output_text_set_fancy(out, true);
break;
default:
break;
}
}
if (args->version) {
out->version(out, false);
goto done;
}
if (options.cmdline_config) {
/* A resource configuration was given on the command line. Sanity-check
* the values and set error if they don't make sense.
*/
validate_cmdline_config();
if (error != NULL) {
exit_code = CRM_EX_USAGE;
goto done;
}
} else if (options.cmdline_params != NULL) {
// @COMPAT @TODO error out here when we can break backward compatibility
g_hash_table_destroy(options.cmdline_params);
options.cmdline_params = NULL;
}
if (is_resource_required() && (options.rsc_id == NULL)) {
exit_code = CRM_EX_USAGE;
g_set_error(&error, PCMK__EXITC_ERROR, exit_code,
_("Must supply a resource id with -r"));
goto done;
}
if (is_node_required() && (options.host_uname == NULL)) {
exit_code = CRM_EX_USAGE;
g_set_error(&error, PCMK__EXITC_ERROR, exit_code,
_("Must supply a node name with -N"));
goto done;
}
/*
* Set up necessary connections
*/
// Establish a connection to the CIB if needed
if (is_cib_required()) {
cib_conn = cib_new();
if ((cib_conn == NULL) || (cib_conn->cmds == NULL)) {
exit_code = CRM_EX_DISCONNECT;
g_set_error(&error, PCMK__EXITC_ERROR, exit_code,
_("Could not create CIB connection"));
goto done;
}
rc = cib_conn->cmds->signon(cib_conn, crm_system_name, cib_command);
rc = pcmk_legacy2rc(rc);
if (rc != pcmk_rc_ok) {
exit_code = pcmk_rc2exitc(rc);
g_set_error(&error, PCMK__EXITC_ERROR, exit_code,
_("Could not connect to the CIB: %s"), pcmk_rc_str(rc));
goto done;
}
}
// Populate scheduler data from XML file if specified or CIB query otherwise
if (is_scheduler_required()) {
rc = initialize_scheduler_data(&cib_xml_copy);
if (rc != pcmk_rc_ok) {
exit_code = pcmk_rc2exitc(rc);
goto done;
}
}
find_flags = get_find_flags();
// If command requires that resource exist if specified, find it
if ((find_flags != 0) && (options.rsc_id != NULL)) {
rsc = pe_find_resource_with_flags(scheduler->resources, options.rsc_id,
find_flags);
if (rsc == NULL) {
exit_code = CRM_EX_NOSUCH;
g_set_error(&error, PCMK__EXITC_ERROR, exit_code,
_("Resource '%s' not found"), options.rsc_id);
goto done;
}
/* The --ban, --clear, --move, and --restart commands do not work with
* instances of clone resourcs.
*/
if (pcmk__is_clone(rsc->parent) && (strchr(options.rsc_id, ':') != NULL)
&& !accept_clone_instance()) {
exit_code = CRM_EX_INVALID_PARAM;
g_set_error(&error, PCMK__EXITC_ERROR, exit_code,
_("Cannot operate on clone resource instance '%s'"), options.rsc_id);
goto done;
}
}
// If user supplied a node name, check whether it exists
if ((options.host_uname != NULL) && (scheduler != NULL)) {
node = pcmk_find_node(scheduler, options.host_uname);
if (node == NULL) {
exit_code = CRM_EX_NOSUCH;
g_set_error(&error, PCMK__EXITC_ERROR, exit_code,
_("Node '%s' not found"), options.host_uname);
goto done;
}
}
// Establish a connection to the controller if needed
if (is_controller_required()) {
rc = pcmk_new_ipc_api(&controld_api, pcmk_ipc_controld);
if (rc != pcmk_rc_ok) {
exit_code = pcmk_rc2exitc(rc);
g_set_error(&error, PCMK__EXITC_ERROR, exit_code,
_("Error connecting to the controller: %s"), pcmk_rc_str(rc));
goto done;
}
pcmk_register_ipc_callback(controld_api, controller_event_callback,
NULL);
rc = pcmk__connect_ipc(controld_api, pcmk_ipc_dispatch_main, 5);
if (rc != pcmk_rc_ok) {
exit_code = pcmk_rc2exitc(rc);
g_set_error(&error, PCMK__EXITC_ERROR, exit_code,
_("Error connecting to %s: %s"),
pcmk_ipc_name(controld_api, true), pcmk_rc_str(rc));
goto done;
}
}
/*
* Handle requested command
*/
switch (options.rsc_cmd) {
case cmd_list_resources: {
GList *all = NULL;
uint32_t show_opts = pcmk_show_inactive_rscs | pcmk_show_rsc_only | pcmk_show_pending;
all = g_list_prepend(all, (gpointer) "*");
rc = out->message(out, "resource-list", scheduler,
show_opts, true, all, all, false);
g_list_free(all);
if (rc == pcmk_rc_no_output) {
rc = ENXIO;
}
break;
}
case cmd_list_instances:
rc = out->message(out, "resource-names-list", scheduler->resources);
if (rc != pcmk_rc_ok) {
rc = ENXIO;
}
break;
case cmd_list_options:
list_options();
break;
case cmd_list_alternatives:
rc = pcmk__list_alternatives(out, options.agent_spec);
break;
case cmd_list_agents:
rc = pcmk__list_agents(out, options.agent_spec);
break;
case cmd_list_standards:
rc = pcmk__list_standards(out);
break;
case cmd_list_providers:
rc = pcmk__list_providers(out, options.agent_spec);
break;
case cmd_metadata:
rc = show_metadata(out, options.agent_spec);
break;
case cmd_restart:
/* We don't pass scheduler because rsc needs to stay valid for the
* entire lifetime of cli_resource_restart(), but it will reset and
* update the scheduler data multiple times, so it needs to use its
* own copy.
*/
rc = cli_resource_restart(out, rsc, node, options.move_lifetime,
options.timeout_ms, cib_conn,
cib_sync_call, options.promoted_role_only,
options.force);
break;
case cmd_wait:
rc = wait_till_stable(out, options.timeout_ms, cib_conn);
break;
case cmd_execute_agent:
if (options.cmdline_config) {
exit_code = cli_resource_execute_from_params(out, NULL,
options.v_class, options.v_provider, options.v_agent,
options.operation, options.cmdline_params,
options.override_params, options.timeout_ms,
args->verbosity, options.force, options.check_level);
} else {
exit_code = cli_resource_execute(rsc, options.rsc_id,
options.operation, options.override_params,
options.timeout_ms, cib_conn, scheduler,
args->verbosity, options.force, options.check_level);
}
goto done;
case cmd_digests:
node = pcmk_find_node(scheduler, options.host_uname);
if (node == NULL) {
rc = pcmk_rc_node_unknown;
} else {
rc = pcmk__resource_digests(out, rsc, node,
options.override_params);
}
break;
case cmd_colocations:
rc = out->message(out, "locations-and-colocations", rsc,
options.recursive, (bool) options.force);
break;
case cmd_cts:
rc = pcmk_rc_ok;
g_list_foreach(scheduler->resources, (GFunc) cli_resource_print_cts,
out);
cli_resource_print_cts_constraints(scheduler);
break;
case cmd_fail:
rc = cli_resource_fail(controld_api, options.host_uname,
options.rsc_id, scheduler);
if (rc == pcmk_rc_ok) {
start_mainloop(controld_api);
}
break;
case cmd_list_active_ops:
rc = cli_resource_print_operations(options.rsc_id,
options.host_uname, TRUE,
scheduler);
break;
case cmd_list_all_ops:
rc = cli_resource_print_operations(options.rsc_id,
options.host_uname, FALSE,
scheduler);
break;
case cmd_locate: {
GList *nodes = cli_resource_search(rsc, options.rsc_id, scheduler);
rc = out->message(out, "resource-search-list", nodes, options.rsc_id);
g_list_free_full(nodes, free);
break;
}
case cmd_query_xml:
rc = cli_resource_print(rsc, scheduler, true);
break;
case cmd_query_xml_raw:
rc = cli_resource_print(rsc, scheduler, false);
break;
case cmd_why:
if ((options.host_uname != NULL) && (node == NULL)) {
rc = pcmk_rc_node_unknown;
} else {
rc = out->message(out, "resource-reasons-list",
scheduler->resources, rsc, node);
}
break;
case cmd_clear:
rc = clear_constraints(out, &cib_xml_copy);
break;
case cmd_move:
if (options.host_uname == NULL) {
rc = ban_or_move(out, rsc, options.move_lifetime);
} else {
rc = cli_resource_move(rsc, options.rsc_id, options.host_uname,
options.move_lifetime, cib_conn,
cib_sync_call, scheduler,
options.promoted_role_only,
options.force);
}
if (rc == EINVAL) {
exit_code = CRM_EX_USAGE;
goto done;
}
break;
case cmd_ban:
if (options.host_uname == NULL) {
rc = ban_or_move(out, rsc, options.move_lifetime);
} else if (node == NULL) {
rc = pcmk_rc_node_unknown;
} else {
rc = cli_resource_ban(out, options.rsc_id, node->details->uname,
options.move_lifetime, cib_conn,
cib_sync_call, options.promoted_role_only,
PCMK_ROLE_PROMOTED);
}
if (rc == EINVAL) {
exit_code = CRM_EX_USAGE;
goto done;
}
break;
case cmd_get_property:
rc = out->message(out, "property-list", rsc, options.prop_name);
if (rc == pcmk_rc_no_output) {
rc = ENXIO;
}
break;
case cmd_set_property:
rc = set_property();
break;
case cmd_get_param: {
unsigned int count = 0;
GHashTable *params = NULL;
pcmk_node_t *current = rsc->private->fns->active_node(rsc, &count,
NULL);
bool free_params = true;
const char* value = NULL;
if (count > 1) {
out->err(out, "%s is active on more than one node,"
" returning the default value for %s", rsc->id,
pcmk__s(options.prop_name, "unspecified property"));
current = NULL;
}
crm_debug("Looking up %s in %s", options.prop_name, rsc->id);
if (pcmk__str_eq(options.attr_set_type, PCMK_XE_INSTANCE_ATTRIBUTES,
pcmk__str_none)) {
params = pe_rsc_params(rsc, current, scheduler);
free_params = false;
value = g_hash_table_lookup(params, options.prop_name);
} else if (pcmk__str_eq(options.attr_set_type,
PCMK_XE_META_ATTRIBUTES, pcmk__str_none)) {
params = pcmk__strkey_table(free, free);
get_meta_attributes(params, rsc, NULL, scheduler);
value = g_hash_table_lookup(params, options.prop_name);
} else if (pcmk__str_eq(options.attr_set_type, ATTR_SET_ELEMENT, pcmk__str_none)) {
- value = crm_element_value(rsc->xml, options.prop_name);
+ value = crm_element_value(rsc->private->xml, options.prop_name);
free_params = false;
} else {
pe_rule_eval_data_t rule_data = {
.now = scheduler->now,
};
params = pcmk__strkey_table(free, free);
- pe__unpack_dataset_nvpairs(rsc->xml, PCMK_XE_UTILIZATION,
- &rule_data, params, NULL, FALSE,
- scheduler);
+ pe__unpack_dataset_nvpairs(rsc->private->xml,
+ PCMK_XE_UTILIZATION, &rule_data,
+ params, NULL, FALSE, scheduler);
value = g_hash_table_lookup(params, options.prop_name);
}
rc = out->message(out, "attribute-list", rsc, options.prop_name, value);
if (free_params) {
g_hash_table_destroy(params);
}
break;
}
case cmd_set_param:
if (pcmk__str_empty(options.prop_value)) {
exit_code = CRM_EX_USAGE;
g_set_error(&error, PCMK__EXITC_ERROR, exit_code,
_("You need to supply a value with the -v option"));
goto done;
}
/* coverity[var_deref_model] False positive */
rc = cli_resource_update_attribute(rsc, options.rsc_id,
options.prop_set,
options.attr_set_type,
options.prop_id,
options.prop_name,
options.prop_value,
options.recursive, cib_conn,
options.force);
break;
case cmd_delete_param:
/* coverity[var_deref_model] False positive */
rc = cli_resource_delete_attribute(rsc, options.rsc_id,
options.prop_set,
options.attr_set_type,
options.prop_id,
options.prop_name, cib_conn,
cib_sync_call, options.force);
break;
case cmd_cleanup:
if (rsc == NULL) {
rc = cli_cleanup_all(controld_api, options.host_uname,
options.operation, options.interval_spec,
scheduler);
if (rc == pcmk_rc_ok) {
start_mainloop(controld_api);
}
} else {
cleanup(out, rsc, node);
}
break;
case cmd_refresh:
if (rsc == NULL) {
rc = refresh(out);
} else {
refresh_resource(out, rsc, node);
}
break;
case cmd_delete:
/* rsc_id was already checked for NULL much earlier when validating
* command line arguments.
*/
if (options.rsc_type == NULL) {
// @COMPAT @TODO change this to exit_code = CRM_EX_USAGE
rc = ENXIO;
g_set_error(&error, PCMK__RC_ERROR, rc,
_("You need to specify a resource type with -t"));
} else {
rc = pcmk__resource_delete(cib_conn, cib_sync_call,
options.rsc_id, options.rsc_type);
if (rc != pcmk_rc_ok) {
g_set_error(&error, PCMK__RC_ERROR, rc,
_("Could not delete resource %s: %s"),
options.rsc_id, pcmk_rc_str(rc));
}
}
break;
default:
exit_code = CRM_EX_USAGE;
g_set_error(&error, PCMK__EXITC_ERROR, exit_code,
_("Unimplemented command: %d"), (int) options.rsc_cmd);
goto done;
}
/* Convert rc into an exit code. */
if (rc != pcmk_rc_ok && rc != pcmk_rc_no_output) {
exit_code = pcmk_rc2exitc(rc);
}
/*
* Clean up and exit
*/
done:
/* When we get here, exit_code has been set one of two ways - either at one of
* the spots where there's a "goto done" (which itself could have happened either
* directly or by calling pcmk_rc2exitc), or just up above after any of the break
* statements.
*
* Thus, we can use just exit_code here to decide what to do.
*/
if (exit_code != CRM_EX_OK && exit_code != CRM_EX_USAGE) {
if (error != NULL) {
char *msg = crm_strdup_printf("%s\nError performing operation: %s",
error->message, crm_exit_str(exit_code));
g_clear_error(&error);
g_set_error(&error, PCMK__EXITC_ERROR, exit_code, "%s", msg);
free(msg);
} else {
g_set_error(&error, PCMK__EXITC_ERROR, exit_code,
_("Error performing operation: %s"), crm_exit_str(exit_code));
}
}
g_free(options.host_uname);
g_free(options.interval_spec);
g_free(options.move_lifetime);
g_free(options.operation);
g_free(options.prop_id);
free(options.prop_name);
g_free(options.prop_set);
g_free(options.prop_value);
g_free(options.rsc_id);
g_free(options.rsc_type);
free(options.agent_spec);
free(options.v_agent);
free(options.v_class);
free(options.v_provider);
g_free(options.xml_file);
g_strfreev(options.remainder);
if (options.override_params != NULL) {
g_hash_table_destroy(options.override_params);
}
/* options.cmdline_params does not need to be destroyed here. See the
* comments in cli_resource_execute_from_params.
*/
g_strfreev(processed_args);
g_option_context_free(context);
return bye(exit_code);
}
diff --git a/tools/crm_resource_print.c b/tools/crm_resource_print.c
index 3b84bc5312..8885f9b92e 100644
--- a/tools/crm_resource_print.c
+++ b/tools/crm_resource_print.c
@@ -1,929 +1,930 @@
/*
* Copyright 2004-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU General Public License version 2
* or later (GPLv2+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <stdint.h>
#include <crm_resource.h>
#include <crm/common/lists_internal.h>
#include <crm/common/output.h>
#include <crm/common/results.h>
#define cons_string(x) x?x:"NA"
static int
print_constraint(xmlNode *xml_obj, void *userdata)
{
pcmk_scheduler_t *scheduler = (pcmk_scheduler_t *) userdata;
pcmk__output_t *out = scheduler->priv;
xmlNode *lifetime = NULL;
const char *id = crm_element_value(xml_obj, PCMK_XA_ID);
pcmk_rule_input_t rule_input = {
.now = scheduler->now,
};
if (id == NULL) {
return pcmk_rc_ok;
}
// @COMPAT PCMK__XE_LIFETIME is deprecated
lifetime = pcmk__xe_first_child(xml_obj, PCMK__XE_LIFETIME, NULL, NULL);
if (pcmk__evaluate_rules(lifetime, &rule_input, NULL) != pcmk_rc_ok) {
return pcmk_rc_ok;
}
if (!pcmk__xe_is(xml_obj, PCMK_XE_RSC_COLOCATION)) {
return pcmk_rc_ok;
}
out->info(out, "Constraint %s %s %s %s %s %s %s",
xml_obj->name,
cons_string(crm_element_value(xml_obj, PCMK_XA_ID)),
cons_string(crm_element_value(xml_obj, PCMK_XA_RSC)),
cons_string(crm_element_value(xml_obj, PCMK_XA_WITH_RSC)),
cons_string(crm_element_value(xml_obj, PCMK_XA_SCORE)),
cons_string(crm_element_value(xml_obj, PCMK_XA_RSC_ROLE)),
cons_string(crm_element_value(xml_obj, PCMK_XA_WITH_RSC_ROLE)));
return pcmk_rc_ok;
}
void
cli_resource_print_cts_constraints(pcmk_scheduler_t *scheduler)
{
pcmk__xe_foreach_child(pcmk_find_cib_element(scheduler->input,
PCMK_XE_CONSTRAINTS),
NULL, print_constraint, scheduler);
}
void
cli_resource_print_cts(pcmk_resource_t *rsc, pcmk__output_t *out)
{
const char *host = NULL;
bool needs_quorum = TRUE;
- const char *rtype = crm_element_value(rsc->xml, PCMK_XA_TYPE);
- const char *rprov = crm_element_value(rsc->xml, PCMK_XA_PROVIDER);
- const char *rclass = crm_element_value(rsc->xml, PCMK_XA_CLASS);
+ const char *rtype = crm_element_value(rsc->private->xml, PCMK_XA_TYPE);
+ const char *rprov = crm_element_value(rsc->private->xml, PCMK_XA_PROVIDER);
+ const char *rclass = crm_element_value(rsc->private->xml, PCMK_XA_CLASS);
pcmk_node_t *node = pcmk__current_node(rsc);
if (pcmk__str_eq(rclass, PCMK_RESOURCE_CLASS_STONITH, pcmk__str_casei)) {
needs_quorum = FALSE;
} else {
// @TODO check requires in resource meta-data and rsc_defaults
}
if (node != NULL) {
host = node->details->uname;
}
out->info(out, "Resource: %s %s %s %s %s %s %s %s %d %lld %#.16llx",
- rsc->xml->name, rsc->id,
+ rsc->private->xml->name, rsc->id,
pcmk__s(rsc->private->history_id, rsc->id),
((rsc->parent == NULL)? "NA" : rsc->parent->id),
rprov ? rprov : "NA", rclass, rtype, host ? host : "NA", needs_quorum, rsc->flags,
rsc->flags);
g_list_foreach(rsc->children, (GFunc) cli_resource_print_cts, out);
}
// \return Standard Pacemaker return code
int
cli_resource_print_operations(const char *rsc_id, const char *host_uname,
bool active, pcmk_scheduler_t *scheduler)
{
pcmk__output_t *out = scheduler->priv;
int rc = pcmk_rc_no_output;
GList *ops = find_operations(rsc_id, host_uname, active, scheduler);
if (!ops) {
return rc;
}
out->begin_list(out, NULL, NULL, "Resource Operations");
rc = pcmk_rc_ok;
for (GList *lpc = ops; lpc != NULL; lpc = lpc->next) {
xmlNode *xml_op = (xmlNode *) lpc->data;
out->message(out, "node-and-op", scheduler, xml_op);
}
out->end_list(out);
return rc;
}
// \return Standard Pacemaker return code
int
cli_resource_print(pcmk_resource_t *rsc, pcmk_scheduler_t *scheduler,
bool expanded)
{
pcmk__output_t *out = scheduler->priv;
uint32_t show_opts = pcmk_show_pending;
GList *all = NULL;
all = g_list_prepend(all, (gpointer) "*");
out->begin_list(out, NULL, NULL, "Resource Config");
- out->message(out, pcmk__map_element_name(rsc->xml), show_opts, rsc, all,
- all);
+ out->message(out, pcmk__map_element_name(rsc->private->xml), show_opts, rsc,
+ all, all);
out->message(out, "resource-config", rsc, !expanded);
out->end_list(out);
g_list_free(all);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("attribute-changed", "attr_update_data_t *")
static int
attribute_changed_default(pcmk__output_t *out, va_list args)
{
attr_update_data_t *ud = va_arg(args, attr_update_data_t *);
out->info(out, "Set '%s' option: "
PCMK_XA_ID "=%s%s%s%s%s value=%s",
ud->given_rsc_id, ud->found_attr_id,
((ud->attr_set_id == NULL)? "" : " " PCMK__XA_SET "="),
pcmk__s(ud->attr_set_id, ""),
((ud->attr_name == NULL)? "" : " " PCMK_XA_NAME "="),
pcmk__s(ud->attr_name, ""), ud->attr_value);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("attribute-changed", "attr_update_data_t *")
static int
attribute_changed_xml(pcmk__output_t *out, va_list args)
{
attr_update_data_t *ud = va_arg(args, attr_update_data_t *);
- pcmk__output_xml_create_parent(out, (const char *) ud->rsc->xml->name,
+ pcmk__output_xml_create_parent(out,
+ (const char *) ud->rsc->private->xml->name,
PCMK_XA_ID, ud->rsc->id,
NULL);
pcmk__output_xml_create_parent(out, ud->attr_set_type,
PCMK_XA_ID, ud->attr_set_id,
NULL);
pcmk__output_create_xml_node(out, PCMK_XE_NVPAIR,
PCMK_XA_ID, ud->found_attr_id,
PCMK_XA_VALUE, ud->attr_value,
PCMK_XA_NAME, ud->attr_name,
NULL);
pcmk__output_xml_pop_parent(out);
pcmk__output_xml_pop_parent(out);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("attribute-changed-list", "GList *")
static int
attribute_changed_list_default(pcmk__output_t *out, va_list args)
{
GList *results = va_arg(args, GList *);
if (results == NULL) {
return pcmk_rc_no_output;
}
for (GList *iter = results; iter != NULL; iter = iter->next) {
attr_update_data_t *ud = iter->data;
out->message(out, "attribute-changed", ud);
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("attribute-changed-list", "GList *")
static int
attribute_changed_list_xml(pcmk__output_t *out, va_list args)
{
GList *results = va_arg(args, GList *);
if (results == NULL) {
return pcmk_rc_no_output;
}
pcmk__output_xml_create_parent(out, PCMK__XE_RESOURCE_SETTINGS, NULL);
for (GList *iter = results; iter != NULL; iter = iter->next) {
attr_update_data_t *ud = iter->data;
out->message(out, "attribute-changed", ud);
}
pcmk__output_xml_pop_parent(out);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("attribute-list", "pcmk_resource_t *", "const char *",
"const char *")
static int
attribute_list_default(pcmk__output_t *out, va_list args) {
pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *);
const char *attr = va_arg(args, char *);
const char *value = va_arg(args, const char *);
if (value != NULL) {
out->begin_list(out, NULL, NULL, "Attributes");
out->list_item(out, attr, "%s", value);
out->end_list(out);
return pcmk_rc_ok;
} else {
out->err(out, "Attribute '%s' not found for '%s'", attr, rsc->id);
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("agent-status", "int", "const char *", "const char *", "const char *",
"const char *", "const char *", "crm_exit_t", "const char *")
static int
agent_status_default(pcmk__output_t *out, va_list args) {
int status = va_arg(args, int);
const char *action = va_arg(args, const char *);
const char *name = va_arg(args, const char *);
const char *class = va_arg(args, const char *);
const char *provider = va_arg(args, const char *);
const char *type = va_arg(args, const char *);
crm_exit_t rc = va_arg(args, crm_exit_t);
const char *exit_reason = va_arg(args, const char *);
if (status == PCMK_EXEC_DONE) {
/* Operation <action> [for <resource>] (<class>[:<provider>]:<agent>)
* returned <exit-code> (<exit-description>[: <exit-reason>])
*/
out->info(out, "Operation %s%s%s (%s%s%s:%s) returned %d (%s%s%s)",
action,
((name == NULL)? "" : " for "), ((name == NULL)? "" : name),
class,
((provider == NULL)? "" : ":"),
((provider == NULL)? "" : provider),
type, (int) rc, services_ocf_exitcode_str((int) rc),
((exit_reason == NULL)? "" : ": "),
((exit_reason == NULL)? "" : exit_reason));
} else {
/* Operation <action> [for <resource>] (<class>[:<provider>]:<agent>)
* could not be executed (<execution-status>[: <exit-reason>])
*/
out->err(out,
"Operation %s%s%s (%s%s%s:%s) could not be executed (%s%s%s)",
action,
((name == NULL)? "" : " for "), ((name == NULL)? "" : name),
class,
((provider == NULL)? "" : ":"),
((provider == NULL)? "" : provider),
type, pcmk_exec_status_str(status),
((exit_reason == NULL)? "" : ": "),
((exit_reason == NULL)? "" : exit_reason));
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("agent-status", "int", "const char *", "const char *", "const char *",
"const char *", "const char *", "crm_exit_t", "const char *")
static int
agent_status_xml(pcmk__output_t *out, va_list args) {
int status = va_arg(args, int);
const char *action G_GNUC_UNUSED = va_arg(args, const char *);
const char *name G_GNUC_UNUSED = va_arg(args, const char *);
const char *class G_GNUC_UNUSED = va_arg(args, const char *);
const char *provider G_GNUC_UNUSED = va_arg(args, const char *);
const char *type G_GNUC_UNUSED = va_arg(args, const char *);
crm_exit_t rc = va_arg(args, crm_exit_t);
const char *exit_reason = va_arg(args, const char *);
char *exit_s = pcmk__itoa(rc);
const char *message = services_ocf_exitcode_str((int) rc);
char *status_s = pcmk__itoa(status);
const char *execution_message = pcmk_exec_status_str(status);
pcmk__output_create_xml_node(out, PCMK_XE_AGENT_STATUS,
PCMK_XA_CODE, exit_s,
PCMK_XA_MESSAGE, message,
PCMK_XA_EXECUTION_CODE, status_s,
PCMK_XA_EXECUTION_MESSAGE, execution_message,
PCMK_XA_REASON, exit_reason,
NULL);
free(exit_s);
free(status_s);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("attribute-list", "pcmk_resource_t *", "const char *",
"const char *")
static int
attribute_list_text(pcmk__output_t *out, va_list args) {
pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *);
const char *attr = va_arg(args, char *);
const char *value = va_arg(args, const char *);
if (value != NULL) {
pcmk__formatted_printf(out, "%s\n", value);
return pcmk_rc_ok;
} else {
out->err(out, "Attribute '%s' not found for '%s'", attr, rsc->id);
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("override", "const char *", "const char *", "const char *")
static int
override_default(pcmk__output_t *out, va_list args) {
const char *rsc_name = va_arg(args, const char *);
const char *name = va_arg(args, const char *);
const char *value = va_arg(args, const char *);
if (rsc_name == NULL) {
out->list_item(out, NULL, "Overriding the cluster configuration with '%s' = '%s'",
name, value);
} else {
out->list_item(out, NULL, "Overriding the cluster configuration for '%s' with '%s' = '%s'",
rsc_name, name, value);
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("override", "const char *", "const char *", "const char *")
static int
override_xml(pcmk__output_t *out, va_list args) {
const char *rsc_name = va_arg(args, const char *);
const char *name = va_arg(args, const char *);
const char *value = va_arg(args, const char *);
xmlNodePtr node = pcmk__output_create_xml_node(out, PCMK_XE_OVERRIDE,
PCMK_XA_NAME, name,
PCMK_XA_VALUE, value,
NULL);
if (rsc_name != NULL) {
crm_xml_add(node, PCMK_XA_RSC, rsc_name);
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("property-list", "pcmk_resource_t *", "const char *")
static int
property_list_default(pcmk__output_t *out, va_list args) {
pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *);
const char *attr = va_arg(args, char *);
- const char *value = crm_element_value(rsc->xml, attr);
+ const char *value = crm_element_value(rsc->private->xml, attr);
if (value != NULL) {
out->begin_list(out, NULL, NULL, "Properties");
out->list_item(out, attr, "%s", value);
out->end_list(out);
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("property-list", "pcmk_resource_t *", "const char *")
static int
property_list_text(pcmk__output_t *out, va_list args) {
pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *);
const char *attr = va_arg(args, const char *);
- const char *value = crm_element_value(rsc->xml, attr);
+ const char *value = crm_element_value(rsc->private->xml, attr);
if (value != NULL) {
pcmk__formatted_printf(out, "%s\n", value);
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("resource-agent-action", "int", "const char *", "const char *",
"const char *", "const char *", "const char *", "GHashTable *",
"crm_exit_t", "int", "const char *", "const char *", "const char *")
static int
resource_agent_action_default(pcmk__output_t *out, va_list args) {
int verbose = va_arg(args, int);
const char *class = va_arg(args, const char *);
const char *provider = va_arg(args, const char *);
const char *type = va_arg(args, const char *);
const char *rsc_name = va_arg(args, const char *);
const char *action = va_arg(args, const char *);
GHashTable *overrides = va_arg(args, GHashTable *);
crm_exit_t rc = va_arg(args, crm_exit_t);
int status = va_arg(args, int);
const char *exit_reason = va_arg(args, const char *);
const char *stdout_data = va_arg(args, const char *);
const char *stderr_data = va_arg(args, const char *);
if (overrides) {
GHashTableIter iter;
const char *name = NULL;
const char *value = NULL;
out->begin_list(out, NULL, NULL, PCMK_XE_OVERRIDES);
g_hash_table_iter_init(&iter, overrides);
while (g_hash_table_iter_next(&iter, (gpointer *) &name, (gpointer *) &value)) {
out->message(out, "override", rsc_name, name, value);
}
out->end_list(out);
}
out->message(out, "agent-status", status, action, rsc_name, class, provider,
type, rc, exit_reason);
/* hide output for validate-all if not in verbose */
if ((verbose == 0)
&& pcmk__str_eq(action, PCMK_ACTION_VALIDATE_ALL, pcmk__str_casei)) {
return pcmk_rc_ok;
}
if (stdout_data || stderr_data) {
xmlNodePtr doc = NULL;
if (stdout_data != NULL) {
doc = pcmk__xml_parse(stdout_data);
}
if (doc != NULL) {
out->output_xml(out, PCMK_XE_COMMAND, stdout_data);
xmlFreeNode(doc);
} else {
out->subprocess_output(out, rc, stdout_data, stderr_data);
}
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("resource-agent-action", "int", "const char *", "const char *",
"const char *", "const char *", "const char *", "GHashTable *",
"crm_exit_t", "int", "const char *", "const char *", "const char *")
static int
resource_agent_action_xml(pcmk__output_t *out, va_list args) {
int verbose G_GNUC_UNUSED = va_arg(args, int);
const char *class = va_arg(args, const char *);
const char *provider = va_arg(args, const char *);
const char *type = va_arg(args, const char *);
const char *rsc_name = va_arg(args, const char *);
const char *action = va_arg(args, const char *);
GHashTable *overrides = va_arg(args, GHashTable *);
crm_exit_t rc = va_arg(args, crm_exit_t);
int status = va_arg(args, int);
const char *exit_reason = va_arg(args, const char *);
const char *stdout_data = va_arg(args, const char *);
const char *stderr_data = va_arg(args, const char *);
xmlNodePtr node = NULL;
node = pcmk__output_xml_create_parent(out, PCMK_XE_RESOURCE_AGENT_ACTION,
PCMK_XA_ACTION, action,
PCMK_XA_CLASS, class,
PCMK_XA_TYPE, type,
NULL);
if (rsc_name) {
crm_xml_add(node, PCMK_XA_RSC, rsc_name);
}
crm_xml_add(node, PCMK_XA_PROVIDER, provider);
if (overrides) {
GHashTableIter iter;
const char *name = NULL;
const char *value = NULL;
out->begin_list(out, NULL, NULL, PCMK_XE_OVERRIDES);
g_hash_table_iter_init(&iter, overrides);
while (g_hash_table_iter_next(&iter, (gpointer *) &name, (gpointer *) &value)) {
out->message(out, "override", rsc_name, name, value);
}
out->end_list(out);
}
out->message(out, "agent-status", status, action, rsc_name, class, provider,
type, rc, exit_reason);
if (stdout_data || stderr_data) {
xmlNodePtr doc = NULL;
if (stdout_data != NULL) {
doc = pcmk__xml_parse(stdout_data);
}
if (doc != NULL) {
out->output_xml(out, PCMK_XE_COMMAND, stdout_data);
xmlFreeNode(doc);
} else {
out->subprocess_output(out, rc, stdout_data, stderr_data);
}
}
pcmk__output_xml_pop_parent(out);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("resource-check-list", "resource_checks_t *")
static int
resource_check_list_default(pcmk__output_t *out, va_list args) {
resource_checks_t *checks = va_arg(args, resource_checks_t *);
const pcmk_resource_t *parent = pe__const_top_resource(checks->rsc, false);
if (checks->flags == 0) {
return pcmk_rc_no_output;
}
out->begin_list(out, NULL, NULL, "Resource Checks");
if (pcmk_is_set(checks->flags, rsc_remain_stopped)) {
out->list_item(out, "check", "Configuration specifies '%s' should remain stopped",
parent->id);
}
if (pcmk_is_set(checks->flags, rsc_unpromotable)) {
out->list_item(out, "check", "Configuration specifies '%s' should not be promoted",
parent->id);
}
if (pcmk_is_set(checks->flags, rsc_unmanaged)) {
out->list_item(out, "check", "Configuration prevents cluster from stopping or starting unmanaged '%s'",
parent->id);
}
if (pcmk_is_set(checks->flags, rsc_locked)) {
out->list_item(out, "check", "'%s' is locked to node %s due to shutdown",
parent->id, checks->lock_node);
}
if (pcmk_is_set(checks->flags, rsc_node_health)) {
out->list_item(out, "check",
"'%s' cannot run on unhealthy nodes due to "
PCMK_OPT_NODE_HEALTH_STRATEGY "='%s'",
parent->id,
pcmk__cluster_option(checks->rsc->cluster->config_hash,
PCMK_OPT_NODE_HEALTH_STRATEGY));
}
out->end_list(out);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("resource-check-list", "resource_checks_t *")
static int
resource_check_list_xml(pcmk__output_t *out, va_list args) {
resource_checks_t *checks = va_arg(args, resource_checks_t *);
const pcmk_resource_t *parent = pe__const_top_resource(checks->rsc, false);
xmlNodePtr node = pcmk__output_create_xml_node(out, PCMK_XE_CHECK,
PCMK_XA_ID, parent->id,
NULL);
if (pcmk_is_set(checks->flags, rsc_remain_stopped)) {
pcmk__xe_set_bool_attr(node, PCMK_XA_REMAIN_STOPPED, true);
}
if (pcmk_is_set(checks->flags, rsc_unpromotable)) {
pcmk__xe_set_bool_attr(node, PCMK_XA_PROMOTABLE, false);
}
if (pcmk_is_set(checks->flags, rsc_unmanaged)) {
pcmk__xe_set_bool_attr(node, PCMK_XA_UNMANAGED, true);
}
if (pcmk_is_set(checks->flags, rsc_locked)) {
crm_xml_add(node, PCMK_XA_LOCKED_TO_HYPHEN, checks->lock_node);
}
if (pcmk_is_set(checks->flags, rsc_node_health)) {
pcmk__xe_set_bool_attr(node, PCMK_XA_UNHEALTHY, true);
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("resource-search-list", "GList *", "const gchar *")
static int
resource_search_list_default(pcmk__output_t *out, va_list args)
{
GList *nodes = va_arg(args, GList *);
const gchar *requested_name = va_arg(args, const gchar *);
bool printed = false;
int rc = pcmk_rc_no_output;
if (!out->is_quiet(out) && nodes == NULL) {
out->err(out, "resource %s is NOT running", requested_name);
return rc;
}
for (GList *lpc = nodes; lpc != NULL; lpc = lpc->next) {
node_info_t *ni = (node_info_t *) lpc->data;
if (!printed) {
out->begin_list(out, NULL, NULL, "Nodes");
printed = true;
rc = pcmk_rc_ok;
}
if (out->is_quiet(out)) {
out->list_item(out, "node", "%s", ni->node_name);
} else {
const char *role_text = "";
if (ni->promoted) {
#ifdef PCMK__COMPAT_2_0
role_text = " " PCMK__ROLE_PROMOTED_LEGACY;
#else
role_text = " " PCMK_ROLE_PROMOTED;
#endif
}
out->list_item(out, "node", "resource %s is running on: %s%s",
requested_name, ni->node_name, role_text);
}
}
if (printed) {
out->end_list(out);
}
return rc;
}
PCMK__OUTPUT_ARGS("resource-search-list", "GList *", "const gchar *")
static int
resource_search_list_xml(pcmk__output_t *out, va_list args)
{
GList *nodes = va_arg(args, GList *);
const gchar *requested_name = va_arg(args, const gchar *);
pcmk__output_xml_create_parent(out, PCMK_XE_NODES,
PCMK_XA_RESOURCE, requested_name,
NULL);
for (GList *lpc = nodes; lpc != NULL; lpc = lpc->next) {
node_info_t *ni = (node_info_t *) lpc->data;
xmlNodePtr sub_node = pcmk__output_create_xml_text_node(out,
PCMK_XE_NODE,
ni->node_name);
if (ni->promoted) {
crm_xml_add(sub_node, PCMK_XA_STATE, "promoted");
}
}
pcmk__output_xml_pop_parent(out);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("resource-reasons-list", "GList *", "pcmk_resource_t *",
"pcmk_node_t *")
static int
resource_reasons_list_default(pcmk__output_t *out, va_list args)
{
GList *resources = va_arg(args, GList *);
pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *);
pcmk_node_t *node = va_arg(args, pcmk_node_t *);
const char *host_uname = (node == NULL)? NULL : node->details->uname;
out->begin_list(out, NULL, NULL, "Resource Reasons");
if ((rsc == NULL) && (host_uname == NULL)) {
GList *lpc = NULL;
GList *hosts = NULL;
for (lpc = resources; lpc != NULL; lpc = lpc->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) lpc->data;
rsc->private->fns->location(rsc, &hosts, TRUE);
if (hosts == NULL) {
out->list_item(out, "reason", "Resource %s is not running", rsc->id);
} else {
out->list_item(out, "reason", "Resource %s is running", rsc->id);
}
cli_resource_check(out, rsc, NULL);
g_list_free(hosts);
hosts = NULL;
}
} else if ((rsc != NULL) && (host_uname != NULL)) {
if (resource_is_running_on(rsc, host_uname)) {
out->list_item(out, "reason", "Resource %s is running on host %s",
rsc->id, host_uname);
} else {
out->list_item(out, "reason", "Resource %s is not running on host %s",
rsc->id, host_uname);
}
cli_resource_check(out, rsc, node);
} else if ((rsc == NULL) && (host_uname != NULL)) {
const char* host_uname = node->details->uname;
GList *allResources = node->details->allocated_rsc;
GList *activeResources = node->details->running_rsc;
GList *unactiveResources = pcmk__subtract_lists(allResources, activeResources, (GCompareFunc) strcmp);
GList *lpc = NULL;
for (lpc = activeResources; lpc != NULL; lpc = lpc->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) lpc->data;
out->list_item(out, "reason", "Resource %s is running on host %s",
rsc->id, host_uname);
cli_resource_check(out, rsc, node);
}
for(lpc = unactiveResources; lpc != NULL; lpc = lpc->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) lpc->data;
out->list_item(out, "reason", "Resource %s is assigned to host %s but not running",
rsc->id, host_uname);
cli_resource_check(out, rsc, node);
}
g_list_free(allResources);
g_list_free(activeResources);
g_list_free(unactiveResources);
} else if ((rsc != NULL) && (host_uname == NULL)) {
GList *hosts = NULL;
rsc->private->fns->location(rsc, &hosts, TRUE);
out->list_item(out, "reason", "Resource %s is %srunning",
rsc->id, (hosts? "" : "not "));
cli_resource_check(out, rsc, NULL);
g_list_free(hosts);
}
out->end_list(out);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("resource-reasons-list", "GList *", "pcmk_resource_t *",
"pcmk_node_t *")
static int
resource_reasons_list_xml(pcmk__output_t *out, va_list args)
{
GList *resources = va_arg(args, GList *);
pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *);
pcmk_node_t *node = va_arg(args, pcmk_node_t *);
const char *host_uname = (node == NULL)? NULL : node->details->uname;
xmlNodePtr xml_node = pcmk__output_xml_create_parent(out, PCMK_XE_REASON,
NULL);
if ((rsc == NULL) && (host_uname == NULL)) {
GList *lpc = NULL;
GList *hosts = NULL;
pcmk__output_xml_create_parent(out, PCMK_XE_RESOURCES, NULL);
for (lpc = resources; lpc != NULL; lpc = lpc->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) lpc->data;
const char *running = NULL;
rsc->private->fns->location(rsc, &hosts, TRUE);
running = pcmk__btoa(hosts != NULL);
pcmk__output_xml_create_parent(out, PCMK_XE_RESOURCE,
PCMK_XA_ID, rsc->id,
PCMK_XA_RUNNING, running,
NULL);
cli_resource_check(out, rsc, NULL);
pcmk__output_xml_pop_parent(out);
g_list_free(hosts);
hosts = NULL;
}
pcmk__output_xml_pop_parent(out);
} else if ((rsc != NULL) && (host_uname != NULL)) {
if (resource_is_running_on(rsc, host_uname)) {
crm_xml_add(xml_node, PCMK_XA_RUNNING_ON, host_uname);
}
cli_resource_check(out, rsc, node);
} else if ((rsc == NULL) && (host_uname != NULL)) {
const char* host_uname = node->details->uname;
GList *allResources = node->details->allocated_rsc;
GList *activeResources = node->details->running_rsc;
GList *unactiveResources = pcmk__subtract_lists(allResources, activeResources, (GCompareFunc) strcmp);
GList *lpc = NULL;
pcmk__output_xml_create_parent(out, PCMK_XE_RESOURCES, NULL);
for (lpc = activeResources; lpc != NULL; lpc = lpc->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) lpc->data;
pcmk__output_xml_create_parent(out, PCMK_XE_RESOURCE,
PCMK_XA_ID, rsc->id,
PCMK_XA_RUNNING, PCMK_VALUE_TRUE,
PCMK_XA_HOST, host_uname,
NULL);
cli_resource_check(out, rsc, node);
pcmk__output_xml_pop_parent(out);
}
for(lpc = unactiveResources; lpc != NULL; lpc = lpc->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) lpc->data;
pcmk__output_xml_create_parent(out, PCMK_XE_RESOURCE,
PCMK_XA_ID, rsc->id,
PCMK_XA_RUNNING, PCMK_VALUE_FALSE,
PCMK_XA_HOST, host_uname,
NULL);
cli_resource_check(out, rsc, node);
pcmk__output_xml_pop_parent(out);
}
pcmk__output_xml_pop_parent(out);
g_list_free(allResources);
g_list_free(activeResources);
g_list_free(unactiveResources);
} else if ((rsc != NULL) && (host_uname == NULL)) {
GList *hosts = NULL;
rsc->private->fns->location(rsc, &hosts, TRUE);
crm_xml_add(xml_node, PCMK_XA_RUNNING, pcmk__btoa(hosts != NULL));
cli_resource_check(out, rsc, NULL);
g_list_free(hosts);
}
pcmk__output_xml_pop_parent(out);
return pcmk_rc_ok;
}
static void
add_resource_name(pcmk_resource_t *rsc, pcmk__output_t *out)
{
if (rsc->children == NULL) {
/* Sometimes PCMK_XE_RESOURCE might act as a PCMK_XA_NAME instead of an
* XML element name, depending on whether pcmk__output_enable_list_element
* was called.
*/
out->list_item(out, PCMK_XE_RESOURCE, "%s", rsc->id);
} else {
g_list_foreach(rsc->children, (GFunc) add_resource_name, out);
}
}
PCMK__OUTPUT_ARGS("resource-names-list", "GList *")
static int
resource_names(pcmk__output_t *out, va_list args) {
GList *resources = va_arg(args, GList *);
if (resources == NULL) {
out->err(out, "NO resources configured\n");
return pcmk_rc_no_output;
}
out->begin_list(out, NULL, NULL, "Resource Names");
g_list_foreach(resources, (GFunc) add_resource_name, out);
out->end_list(out);
return pcmk_rc_ok;
}
static pcmk__message_entry_t fmt_functions[] = {
{ "agent-status", "default", agent_status_default },
{ "agent-status", "xml", agent_status_xml },
{ "attribute-changed", "default", attribute_changed_default },
{ "attribute-changed", "xml", attribute_changed_xml },
{ "attribute-changed-list", "default", attribute_changed_list_default },
{ "attribute-changed-list", "xml", attribute_changed_list_xml },
{ "attribute-list", "default", attribute_list_default },
{ "attribute-list", "text", attribute_list_text },
{ "override", "default", override_default },
{ "override", "xml", override_xml },
{ "property-list", "default", property_list_default },
{ "property-list", "text", property_list_text },
{ "resource-agent-action", "default", resource_agent_action_default },
{ "resource-agent-action", "xml", resource_agent_action_xml },
{ "resource-check-list", "default", resource_check_list_default },
{ "resource-check-list", "xml", resource_check_list_xml },
{ "resource-search-list", "default", resource_search_list_default },
{ "resource-search-list", "xml", resource_search_list_xml },
{ "resource-reasons-list", "default", resource_reasons_list_default },
{ "resource-reasons-list", "xml", resource_reasons_list_xml },
{ "resource-names-list", "default", resource_names },
{ NULL, NULL, NULL }
};
void
crm_resource_register_messages(pcmk__output_t *out) {
pcmk__register_messages(out, fmt_functions);
}
diff --git a/tools/crm_resource_runtime.c b/tools/crm_resource_runtime.c
index 30ff05657a..eb7b32f03c 100644
--- a/tools/crm_resource_runtime.c
+++ b/tools/crm_resource_runtime.c
@@ -1,2404 +1,2408 @@
/*
* Copyright 2004-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU General Public License version 2
* or later (GPLv2+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <stdio.h>
#include <limits.h>
#include <glib.h>
#include <libxml/tree.h>
#include <crm/common/ipc_attrd_internal.h>
#include <crm/common/ipc_controld.h>
#include <crm/common/lists_internal.h>
#include <crm/services_internal.h>
#include <crm_resource.h>
static GList *
build_node_info_list(const pcmk_resource_t *rsc)
{
GList *retval = NULL;
for (const GList *iter = rsc->children; iter != NULL; iter = iter->next) {
const pcmk_resource_t *child = (const pcmk_resource_t *) iter->data;
for (const GList *iter2 = child->running_on;
iter2 != NULL; iter2 = iter2->next) {
const pcmk_node_t *node = (const pcmk_node_t *) iter2->data;
node_info_t *ni = pcmk__assert_alloc(1, sizeof(node_info_t));
ni->node_name = node->details->uname;
if (pcmk_is_set(rsc->flags, pcmk_rsc_promotable)
&& (child->private->fns->state(child,
TRUE) == pcmk_role_promoted)) {
ni->promoted = true;
}
retval = g_list_prepend(retval, ni);
}
}
return retval;
}
GList *
cli_resource_search(pcmk_resource_t *rsc, const char *requested_name,
pcmk_scheduler_t *scheduler)
{
GList *retval = NULL;
const pcmk_resource_t *parent = pe__const_top_resource(rsc, false);
if (pcmk__is_clone(rsc)) {
retval = build_node_info_list(rsc);
/* The anonymous clone children's common ID is supplied */
} else if (pcmk__is_clone(parent)
&& !pcmk_is_set(rsc->flags, pcmk_rsc_unique)
&& (rsc->private->history_id != NULL)
&& pcmk__str_eq(requested_name, rsc->private->history_id,
pcmk__str_none)
&& !pcmk__str_eq(requested_name, rsc->id, pcmk__str_none)) {
retval = build_node_info_list(parent);
} else if (rsc->running_on != NULL) {
for (GList *iter = rsc->running_on; iter != NULL; iter = iter->next) {
pcmk_node_t *node = (pcmk_node_t *) iter->data;
node_info_t *ni = pcmk__assert_alloc(1, sizeof(node_info_t));
ni->node_name = node->details->uname;
if (rsc->private->fns->state(rsc, TRUE) == pcmk_role_promoted) {
ni->promoted = true;
}
retval = g_list_prepend(retval, ni);
}
}
return retval;
}
// \return Standard Pacemaker return code
static int
find_resource_attr(pcmk__output_t *out, cib_t * the_cib, const char *attr,
const char *rsc, const char *attr_set_type, const char *set_name,
const char *attr_id, const char *attr_name, xmlNode **result)
{
xmlNode *xml_search;
int rc = pcmk_rc_ok;
GString *xpath = NULL;
const char *xpath_base = NULL;
if (result) {
*result = NULL;
}
if(the_cib == NULL) {
return ENOTCONN;
}
xpath_base = pcmk_cib_xpath_for(PCMK_XE_RESOURCES);
if (xpath_base == NULL) {
crm_err(PCMK_XE_RESOURCES " CIB element not known (bug?)");
return ENOMSG;
}
xpath = g_string_sized_new(1024);
pcmk__g_strcat(xpath,
xpath_base, "//*[@" PCMK_XA_ID "=\"", rsc, "\"]", NULL);
if (attr_set_type != NULL) {
pcmk__g_strcat(xpath, "/", attr_set_type, NULL);
if (set_name != NULL) {
pcmk__g_strcat(xpath, "[@" PCMK_XA_ID "=\"", set_name, "\"]",
NULL);
}
}
g_string_append(xpath, "//" PCMK_XE_NVPAIR);
if (attr_id != NULL && attr_name!= NULL) {
pcmk__g_strcat(xpath,
"[@" PCMK_XA_ID "='", attr_id, "' "
"and @" PCMK_XA_NAME "='", attr_name, "']", NULL);
} else if (attr_id != NULL) {
pcmk__g_strcat(xpath, "[@" PCMK_XA_ID "='", attr_id, "']", NULL);
} else if (attr_name != NULL) {
pcmk__g_strcat(xpath, "[@" PCMK_XA_NAME "='", attr_name, "']", NULL);
}
rc = the_cib->cmds->query(the_cib, (const char *) xpath->str, &xml_search,
cib_sync_call | cib_scope_local | cib_xpath);
rc = pcmk_legacy2rc(rc);
if (rc == pcmk_rc_ok) {
crm_log_xml_debug(xml_search, "Match");
if (xml_search->children != NULL) {
rc = ENOTUNIQ;
pcmk__warn_multiple_name_matches(out, xml_search, attr_name);
out->spacer(out);
}
}
if (result) {
*result = xml_search;
} else {
pcmk__xml_free(xml_search);
}
g_string_free(xpath, TRUE);
return rc;
}
/* PRIVATE. Use the find_matching_attr_resources instead. */
static void
find_matching_attr_resources_recursive(pcmk__output_t *out,
GList /* <pcmk_resource_t*> */ **result,
pcmk_resource_t *rsc, const char * attr_set,
const char * attr_set_type, const char * attr_id,
const char * attr_name, cib_t * cib, int depth)
{
int rc = pcmk_rc_ok;
char *lookup_id = clone_strip(rsc->id);
/* visit the children */
for(GList *gIter = rsc->children; gIter; gIter = gIter->next) {
find_matching_attr_resources_recursive(out, result,
(pcmk_resource_t *) gIter->data,
attr_set, attr_set_type, attr_id,
attr_name, cib, depth+1);
/* do it only once for clones */
if (pcmk__is_clone(rsc)) {
break;
}
}
rc = find_resource_attr(out, cib, PCMK_XA_ID, lookup_id, attr_set_type,
attr_set, attr_id, attr_name, NULL);
/* Post-order traversal.
* The root is always on the list and it is the last item. */
if((0 == depth) || (pcmk_rc_ok == rc)) {
/* push the head */
*result = g_list_append(*result, rsc);
}
free(lookup_id);
}
/* The result is a linearized pre-ordered tree of resources. */
static GList/*<pcmk_resource_t*>*/ *
find_matching_attr_resources(pcmk__output_t *out, pcmk_resource_t *rsc,
const char * rsc_id, const char * attr_set,
const char * attr_set_type, const char * attr_id,
const char * attr_name, cib_t * cib, const char * cmd,
gboolean force)
{
int rc = pcmk_rc_ok;
char *lookup_id = NULL;
GList * result = NULL;
/* If --force is used, update only the requested resource (clone or primitive).
* Otherwise, if the primitive has the attribute, use that.
* Otherwise use the clone. */
if(force == TRUE) {
return g_list_append(result, rsc);
}
if (pcmk__is_clone(rsc->parent)) {
int rc = find_resource_attr(out, cib, PCMK_XA_ID, rsc_id, attr_set_type,
attr_set, attr_id, attr_name, NULL);
if(rc != pcmk_rc_ok) {
rsc = rsc->parent;
out->info(out, "Performing %s of '%s' on '%s', the parent of '%s'",
cmd, attr_name, rsc->id, rsc_id);
}
return g_list_append(result, rsc);
} else if ((rsc->parent == NULL) && (rsc->children != NULL)
&& pcmk__is_clone(rsc)) {
pcmk_resource_t *child = rsc->children->data;
if (pcmk__is_primitive(child)) {
lookup_id = clone_strip(child->id); /* Could be a cloned group! */
rc = find_resource_attr(out, cib, PCMK_XA_ID, lookup_id,
attr_set_type, attr_set, attr_id, attr_name, NULL);
if(rc == pcmk_rc_ok) {
rsc = child;
out->info(out, "A value for '%s' already exists in child '%s', performing %s on that instead of '%s'",
attr_name, lookup_id, cmd, rsc_id);
}
free(lookup_id);
}
return g_list_append(result, rsc);
}
/* If the resource is a group ==> children inherit the attribute if defined. */
find_matching_attr_resources_recursive(out, &result, rsc, attr_set,
attr_set_type, attr_id, attr_name,
cib, 0);
return result;
}
static int
update_element_attribute(pcmk__output_t *out, pcmk_resource_t *rsc,
cib_t *cib, const char *attr_name, const char *attr_value)
{
int rc = pcmk_rc_ok;
if (cib == NULL) {
return ENOTCONN;
}
- crm_xml_add(rsc->xml, attr_name, attr_value);
+ crm_xml_add(rsc->private->xml, attr_name, attr_value);
- rc = cib->cmds->replace(cib, PCMK_XE_RESOURCES, rsc->xml, cib_sync_call);
+ rc = cib->cmds->replace(cib, PCMK_XE_RESOURCES, rsc->private->xml,
+ cib_sync_call);
rc = pcmk_legacy2rc(rc);
if (rc == pcmk_rc_ok) {
out->info(out, "Set attribute: " PCMK_XA_NAME "=%s value=%s",
attr_name, attr_value);
}
return rc;
}
static int
resources_with_attr(pcmk__output_t *out, cib_t *cib, pcmk_resource_t *rsc,
const char *requested_name, const char *attr_set,
const char *attr_set_type, const char *attr_id,
const char *attr_name, const char *top_id, gboolean force,
GList **resources)
{
if (pcmk__str_eq(attr_set_type, PCMK_XE_INSTANCE_ATTRIBUTES,
pcmk__str_casei)) {
if (!force) {
xmlNode *xml_search = NULL;
int rc = pcmk_rc_ok;
rc = find_resource_attr(out, cib, PCMK_XA_ID, top_id,
PCMK_XE_META_ATTRIBUTES, attr_set, attr_id,
attr_name, &xml_search);
if (rc == pcmk_rc_ok || rc == ENOTUNIQ) {
char *found_attr_id = NULL;
found_attr_id = crm_element_value_copy(xml_search, PCMK_XA_ID);
if (!out->is_quiet(out)) {
out->err(out,
"WARNING: There is already a meta attribute "
"for '%s' called '%s' (id=%s)",
top_id, attr_name, found_attr_id);
out->err(out,
" Delete '%s' first or use the force option "
"to override", found_attr_id);
}
free(found_attr_id);
pcmk__xml_free(xml_search);
return ENOTUNIQ;
}
pcmk__xml_free(xml_search);
}
*resources = g_list_append(*resources, rsc);
} else {
*resources = find_matching_attr_resources(out, rsc, requested_name,
attr_set, attr_set_type,
attr_id, attr_name, cib,
"update", force);
}
/* If the user specified attr_set or attr_id, the intent is to modify a
* single resource, which will be the last item in the list.
*/
if ((attr_set != NULL) || (attr_id != NULL)) {
GList *last = g_list_last(*resources);
*resources = g_list_remove_link(*resources, last);
g_list_free(*resources);
*resources = last;
}
return pcmk_rc_ok;
}
static void
free_attr_update_data(gpointer data)
{
attr_update_data_t *ud = data;
if (ud == NULL) {
return;
}
free(ud->attr_set_type);
free(ud->attr_set_id);
free(ud->attr_name);
free(ud->attr_value);
free(ud->given_rsc_id);
free(ud->found_attr_id);
free(ud);
}
static int
update_attribute(pcmk_resource_t *rsc, const char *requested_name,
const char *attr_set, const char *attr_set_type,
const char *attr_id, const char *attr_name,
const char *attr_value, gboolean recursive, cib_t *cib,
gboolean force, GList **results)
{
pcmk__output_t *out = rsc->cluster->priv;
int rc = pcmk_rc_ok;
GList/*<pcmk_resource_t*>*/ *resources = NULL;
const char *top_id = pe__const_top_resource(rsc, false)->id;
if ((attr_id == NULL) && !force) {
find_resource_attr(out, cib, PCMK_XA_ID, top_id, NULL, NULL, NULL,
attr_name, NULL);
}
rc = resources_with_attr(out, cib, rsc, requested_name, attr_set, attr_set_type,
attr_id, attr_name, top_id, force, &resources);
if (rc != pcmk_rc_ok) {
return rc;
}
for (GList *iter = resources; iter != NULL; iter = iter->next) {
char *lookup_id = NULL;
char *local_attr_set = NULL;
char *found_attr_id = NULL;
const char *rsc_attr_id = attr_id;
const char *rsc_attr_set = attr_set;
xmlNode *xml_top = NULL;
xmlNode *xml_obj = NULL;
xmlNode *xml_search = NULL;
rsc = (pcmk_resource_t *) iter->data;
lookup_id = clone_strip(rsc->id); /* Could be a cloned group! */
rc = find_resource_attr(out, cib, PCMK_XA_ID, lookup_id, attr_set_type,
attr_set, attr_id, attr_name, &xml_search);
switch (rc) {
case pcmk_rc_ok:
found_attr_id = crm_element_value_copy(xml_search, PCMK_XA_ID);
crm_debug("Found a match for " PCMK_XA_NAME "='%s': "
PCMK_XA_ID "='%s'", attr_name, found_attr_id);
rsc_attr_id = found_attr_id;
break;
case ENXIO:
if (rsc_attr_set == NULL) {
local_attr_set = crm_strdup_printf("%s-%s", lookup_id,
attr_set_type);
rsc_attr_set = local_attr_set;
}
if (rsc_attr_id == NULL) {
found_attr_id = crm_strdup_printf("%s-%s",
rsc_attr_set, attr_name);
rsc_attr_id = found_attr_id;
}
- xml_top = pcmk__xe_create(NULL, (const char *) rsc->xml->name);
+ xml_top = pcmk__xe_create(NULL,
+ (const char *)
+ rsc->private->xml->name);
crm_xml_add(xml_top, PCMK_XA_ID, lookup_id);
xml_obj = pcmk__xe_create(xml_top, attr_set_type);
crm_xml_add(xml_obj, PCMK_XA_ID, rsc_attr_set);
break;
default:
free(lookup_id);
free(found_attr_id);
pcmk__xml_free(xml_search);
g_list_free(resources);
return rc;
}
xml_obj = crm_create_nvpair_xml(xml_obj, rsc_attr_id, attr_name,
attr_value);
if (xml_top == NULL) {
xml_top = xml_obj;
}
crm_log_xml_debug(xml_top, "Update");
rc = cib->cmds->modify(cib, PCMK_XE_RESOURCES, xml_top, cib_sync_call);
rc = pcmk_legacy2rc(rc);
if (rc == pcmk_rc_ok) {
attr_update_data_t *ud = pcmk__assert_alloc(1, sizeof(attr_update_data_t));
if (attr_set_type == NULL) {
attr_set_type = (const char *) xml_search->parent->name;
}
if (rsc_attr_set == NULL) {
rsc_attr_set = crm_element_value(xml_search->parent, PCMK_XA_ID);
}
ud->attr_set_type = pcmk__str_copy(attr_set_type);
ud->attr_set_id = pcmk__str_copy(rsc_attr_set);
ud->attr_name = pcmk__str_copy(attr_name);
ud->attr_value = pcmk__str_copy(attr_value);
ud->given_rsc_id = pcmk__str_copy(lookup_id);
ud->found_attr_id = pcmk__str_copy(found_attr_id);
ud->rsc = rsc;
*results = g_list_append(*results, ud);
}
pcmk__xml_free(xml_top);
pcmk__xml_free(xml_search);
free(lookup_id);
free(found_attr_id);
free(local_attr_set);
if (recursive
&& pcmk__str_eq(attr_set_type, PCMK_XE_META_ATTRIBUTES,
pcmk__str_casei)) {
/* We want to set the attribute only on resources explicitly
* colocated with this one, so we use rsc->rsc_cons_lhs directly
* rather than the with_this_colocations() method.
*/
pcmk__set_rsc_flags(rsc, pcmk_rsc_detect_loop);
for (GList *lpc = rsc->rsc_cons_lhs; lpc != NULL; lpc = lpc->next) {
pcmk__colocation_t *cons = (pcmk__colocation_t *) lpc->data;
crm_debug("Checking %s %d", cons->id, cons->score);
if (pcmk_is_set(cons->dependent->flags, pcmk_rsc_detect_loop)
|| (cons->score <= 0)) {
continue;
}
crm_debug("Setting %s=%s for dependent resource %s",
attr_name, attr_value, cons->dependent->id);
update_attribute(cons->dependent, cons->dependent->id, NULL,
attr_set_type, NULL, attr_name, attr_value,
recursive, cib, force, results);
}
}
}
g_list_free(resources);
return rc;
}
// \return Standard Pacemaker return code
int
cli_resource_update_attribute(pcmk_resource_t *rsc, const char *requested_name,
const char *attr_set, const char *attr_set_type,
const char *attr_id, const char *attr_name,
const char *attr_value, gboolean recursive,
cib_t *cib, gboolean force)
{
static bool need_init = true;
int rc = pcmk_rc_ok;
GList *results = NULL;
pcmk__output_t *out = rsc->cluster->priv;
/* If we were asked to update the attribute in a resource element (for
* instance, <primitive class="ocf">) there's really not much we need to do.
*/
if (pcmk__str_eq(attr_set_type, ATTR_SET_ELEMENT, pcmk__str_none)) {
return update_element_attribute(out, rsc, cib, attr_name, attr_value);
}
/* One time initialization - clear flags so we can detect loops */
if (need_init) {
need_init = false;
pcmk__unpack_constraints(rsc->cluster);
pe__clear_resource_flags_on_all(rsc->cluster, pcmk_rsc_detect_loop);
}
rc = update_attribute(rsc, requested_name, attr_set, attr_set_type,
attr_id, attr_name, attr_value, recursive, cib,
force, &results);
if (rc == pcmk_rc_ok) {
if (results == NULL) {
return rc;
}
out->message(out, "attribute-changed-list", results);
g_list_free_full(results, free_attr_update_data);
}
return rc;
}
// \return Standard Pacemaker return code
int
cli_resource_delete_attribute(pcmk_resource_t *rsc, const char *requested_name,
const char *attr_set, const char *attr_set_type,
const char *attr_id, const char *attr_name,
cib_t *cib, int cib_options, gboolean force)
{
pcmk__output_t *out = rsc->cluster->priv;
int rc = pcmk_rc_ok;
GList/*<pcmk_resource_t*>*/ *resources = NULL;
if ((attr_id == NULL) && !force) {
find_resource_attr(out, cib, PCMK_XA_ID,
pe__const_top_resource(rsc, false)->id, NULL,
NULL, NULL, attr_name, NULL);
}
if (pcmk__str_eq(attr_set_type, PCMK_XE_META_ATTRIBUTES, pcmk__str_casei)) {
resources = find_matching_attr_resources(out, rsc, requested_name,
attr_set, attr_set_type,
attr_id, attr_name, cib,
"delete", force);
} else if (pcmk__str_eq(attr_set_type, ATTR_SET_ELEMENT, pcmk__str_none)) {
- pcmk__xe_remove_attr(rsc->xml, attr_name);
+ pcmk__xe_remove_attr(rsc->private->xml, attr_name);
CRM_ASSERT(cib != NULL);
- rc = cib->cmds->replace(cib, PCMK_XE_RESOURCES, rsc->xml, cib_options);
+ rc = cib->cmds->replace(cib, PCMK_XE_RESOURCES, rsc->private->xml,
+ cib_options);
rc = pcmk_legacy2rc(rc);
if (rc == pcmk_rc_ok) {
out->info(out, "Deleted attribute: %s", attr_name);
}
return rc;
} else {
resources = g_list_append(resources, rsc);
}
for (GList *iter = resources; iter != NULL; iter = iter->next) {
char *lookup_id = NULL;
xmlNode *xml_obj = NULL;
xmlNode *xml_search = NULL;
char *found_attr_id = NULL;
const char *rsc_attr_id = attr_id;
rsc = (pcmk_resource_t *) iter->data;
lookup_id = clone_strip(rsc->id);
rc = find_resource_attr(out, cib, PCMK_XA_ID, lookup_id, attr_set_type,
attr_set, attr_id, attr_name, &xml_search);
switch (rc) {
case pcmk_rc_ok:
found_attr_id = crm_element_value_copy(xml_search, PCMK_XA_ID);
pcmk__xml_free(xml_search);
break;
case ENXIO:
free(lookup_id);
pcmk__xml_free(xml_search);
continue;
default:
free(lookup_id);
pcmk__xml_free(xml_search);
g_list_free(resources);
return rc;
}
if (rsc_attr_id == NULL) {
rsc_attr_id = found_attr_id;
}
xml_obj = crm_create_nvpair_xml(NULL, rsc_attr_id, attr_name, NULL);
crm_log_xml_debug(xml_obj, "Delete");
CRM_ASSERT(cib);
rc = cib->cmds->remove(cib, PCMK_XE_RESOURCES, xml_obj, cib_options);
rc = pcmk_legacy2rc(rc);
if (rc == pcmk_rc_ok) {
out->info(out, "Deleted '%s' option: " PCMK_XA_ID "=%s%s%s%s%s",
lookup_id, found_attr_id,
((attr_set == NULL)? "" : " set="),
pcmk__s(attr_set, ""),
((attr_name == NULL)? "" : " " PCMK_XA_NAME "="),
pcmk__s(attr_name, ""));
}
free(lookup_id);
pcmk__xml_free(xml_obj);
free(found_attr_id);
}
g_list_free(resources);
return rc;
}
// \return Standard Pacemaker return code
static int
send_lrm_rsc_op(pcmk_ipc_api_t *controld_api, bool do_fail_resource,
const char *host_uname, const char *rsc_id,
pcmk_scheduler_t *scheduler)
{
pcmk__output_t *out = scheduler->priv;
const char *router_node = host_uname;
const char *rsc_api_id = NULL;
const char *rsc_long_id = NULL;
const char *rsc_class = NULL;
const char *rsc_provider = NULL;
const char *rsc_type = NULL;
bool cib_only = false;
pcmk_resource_t *rsc = pe_find_resource(scheduler->resources, rsc_id);
if (rsc == NULL) {
out->err(out, "Resource %s not found", rsc_id);
return ENXIO;
} else if (!pcmk__is_primitive(rsc)) {
out->err(out, "We can only process primitive resources, not %s", rsc_id);
return EINVAL;
}
- rsc_class = crm_element_value(rsc->xml, PCMK_XA_CLASS);
- rsc_provider = crm_element_value(rsc->xml, PCMK_XA_PROVIDER),
- rsc_type = crm_element_value(rsc->xml, PCMK_XA_TYPE);
+ rsc_class = crm_element_value(rsc->private->xml, PCMK_XA_CLASS);
+ rsc_provider = crm_element_value(rsc->private->xml, PCMK_XA_PROVIDER);
+ rsc_type = crm_element_value(rsc->private->xml, PCMK_XA_TYPE);
if ((rsc_class == NULL) || (rsc_type == NULL)) {
out->err(out, "Resource %s does not have a class and type", rsc_id);
return EINVAL;
}
{
pcmk_node_t *node = pcmk_find_node(scheduler, host_uname);
if (node == NULL) {
out->err(out, "Node %s not found", host_uname);
return pcmk_rc_node_unknown;
}
if (!(node->details->online)) {
if (do_fail_resource) {
out->err(out, "Node %s is not online", host_uname);
return ENOTCONN;
} else {
cib_only = true;
}
}
if (!cib_only && pcmk__is_pacemaker_remote_node(node)) {
node = pcmk__current_node(node->details->remote_rsc);
if (node == NULL) {
out->err(out, "No cluster connection to Pacemaker Remote node %s detected",
host_uname);
return ENOTCONN;
}
router_node = node->details->uname;
}
}
if (rsc->private->history_id != NULL) {
rsc_api_id = rsc->private->history_id;
rsc_long_id = rsc->id;
} else {
rsc_api_id = rsc->id;
}
if (do_fail_resource) {
return pcmk_controld_api_fail(controld_api, host_uname, router_node,
rsc_api_id, rsc_long_id,
rsc_class, rsc_provider, rsc_type);
} else {
return pcmk_controld_api_refresh(controld_api, host_uname, router_node,
rsc_api_id, rsc_long_id, rsc_class,
rsc_provider, rsc_type, cib_only);
}
}
/*!
* \internal
* \brief Get resource name as used in failure-related node attributes
*
* \param[in] rsc Resource to check
*
* \return Newly allocated string containing resource's fail name
* \note The caller is responsible for freeing the result.
*/
static inline char *
rsc_fail_name(const pcmk_resource_t *rsc)
{
const char *name = pcmk__s(rsc->private->history_id, rsc->id);
if (pcmk_is_set(rsc->flags, pcmk_rsc_unique)) {
return strdup(name);
}
return clone_strip(name);
}
// \return Standard Pacemaker return code
static int
clear_rsc_history(pcmk_ipc_api_t *controld_api, const char *host_uname,
const char *rsc_id, pcmk_scheduler_t *scheduler)
{
int rc = pcmk_rc_ok;
/* Erase the resource's entire LRM history in the CIB, even if we're only
* clearing a single operation's fail count. If we erased only entries for a
* single operation, we might wind up with a wrong idea of the current
* resource state, and we might not re-probe the resource.
*/
rc = send_lrm_rsc_op(controld_api, false, host_uname, rsc_id, scheduler);
if (rc != pcmk_rc_ok) {
return rc;
}
crm_trace("Processing %d mainloop inputs",
pcmk_controld_api_replies_expected(controld_api));
while (g_main_context_iteration(NULL, FALSE)) {
crm_trace("Processed mainloop input, %d still remaining",
pcmk_controld_api_replies_expected(controld_api));
}
return rc;
}
// \return Standard Pacemaker return code
static int
clear_rsc_failures(pcmk__output_t *out, pcmk_ipc_api_t *controld_api,
const char *node_name, const char *rsc_id, const char *operation,
const char *interval_spec, pcmk_scheduler_t *scheduler)
{
int rc = pcmk_rc_ok;
const char *failed_value = NULL;
const char *failed_id = NULL;
char *interval_ms_s = NULL;
GHashTable *rscs = NULL;
GHashTableIter iter;
/* Create a hash table to use as a set of resources to clean. This lets us
* clean each resource only once (per node) regardless of how many failed
* operations it has.
*/
rscs = pcmk__strkey_table(NULL, NULL);
// Normalize interval to milliseconds for comparison to history entry
if (operation) {
guint interval_ms = 0U;
pcmk_parse_interval_spec(interval_spec, &interval_ms);
interval_ms_s = crm_strdup_printf("%u", interval_ms);
}
for (xmlNode *xml_op = pcmk__xe_first_child(scheduler->failed, NULL, NULL,
NULL);
xml_op != NULL; xml_op = pcmk__xe_next(xml_op)) {
failed_id = crm_element_value(xml_op, PCMK__XA_RSC_ID);
if (failed_id == NULL) {
// Malformed history entry, should never happen
continue;
}
// No resource specified means all resources match
if (rsc_id) {
pcmk_resource_t *fail_rsc = NULL;
fail_rsc = pe_find_resource_with_flags(scheduler->resources,
failed_id,
pcmk_rsc_match_history
|pcmk_rsc_match_anon_basename);
if (!fail_rsc || !pcmk__str_eq(rsc_id, fail_rsc->id, pcmk__str_casei)) {
continue;
}
}
// Host name should always have been provided by this point
failed_value = crm_element_value(xml_op, PCMK_XA_UNAME);
if (!pcmk__str_eq(node_name, failed_value, pcmk__str_casei)) {
continue;
}
// No operation specified means all operations match
if (operation) {
failed_value = crm_element_value(xml_op, PCMK_XA_OPERATION);
if (!pcmk__str_eq(operation, failed_value, pcmk__str_casei)) {
continue;
}
// Interval (if operation was specified) defaults to 0 (not all)
failed_value = crm_element_value(xml_op, PCMK_META_INTERVAL);
if (!pcmk__str_eq(interval_ms_s, failed_value, pcmk__str_casei)) {
continue;
}
}
g_hash_table_add(rscs, (gpointer) failed_id);
}
free(interval_ms_s);
g_hash_table_iter_init(&iter, rscs);
while (g_hash_table_iter_next(&iter, (gpointer *) &failed_id, NULL)) {
crm_debug("Erasing failures of %s on %s", failed_id, node_name);
rc = clear_rsc_history(controld_api, node_name, failed_id, scheduler);
if (rc != pcmk_rc_ok) {
return rc;
}
}
g_hash_table_destroy(rscs);
return rc;
}
// \return Standard Pacemaker return code
static int
clear_rsc_fail_attrs(const pcmk_resource_t *rsc, const char *operation,
const char *interval_spec, const pcmk_node_t *node)
{
int rc = pcmk_rc_ok;
int attr_options = pcmk__node_attr_none;
char *rsc_name = rsc_fail_name(rsc);
if (pcmk__is_pacemaker_remote_node(node)) {
attr_options |= pcmk__node_attr_remote;
}
rc = pcmk__attrd_api_clear_failures(NULL, node->details->uname, rsc_name,
operation, interval_spec, NULL,
attr_options);
free(rsc_name);
return rc;
}
// \return Standard Pacemaker return code
int
cli_resource_delete(pcmk_ipc_api_t *controld_api, const char *host_uname,
const pcmk_resource_t *rsc, const char *operation,
const char *interval_spec, bool just_failures,
pcmk_scheduler_t *scheduler, gboolean force)
{
pcmk__output_t *out = scheduler->priv;
int rc = pcmk_rc_ok;
pcmk_node_t *node = NULL;
if (rsc == NULL) {
return ENXIO;
} else if (rsc->children) {
for (const GList *lpc = rsc->children; lpc != NULL; lpc = lpc->next) {
const pcmk_resource_t *child = (const pcmk_resource_t *) lpc->data;
rc = cli_resource_delete(controld_api, host_uname, child, operation,
interval_spec, just_failures, scheduler,
force);
if (rc != pcmk_rc_ok) {
return rc;
}
}
return pcmk_rc_ok;
} else if (host_uname == NULL) {
GList *lpc = NULL;
GList *nodes = g_hash_table_get_values(rsc->known_on);
if(nodes == NULL && force) {
nodes = pcmk__copy_node_list(scheduler->nodes, false);
} else if(nodes == NULL && rsc->exclusive_discover) {
GHashTableIter iter;
pcmk_node_t *node = NULL;
g_hash_table_iter_init(&iter, rsc->allowed_nodes);
while (g_hash_table_iter_next(&iter, NULL, (void**)&node)) {
if(node->weight >= 0) {
nodes = g_list_prepend(nodes, node);
}
}
} else if(nodes == NULL) {
nodes = g_hash_table_get_values(rsc->allowed_nodes);
}
for (lpc = nodes; lpc != NULL; lpc = lpc->next) {
node = (pcmk_node_t *) lpc->data;
if (node->details->online) {
rc = cli_resource_delete(controld_api, node->details->uname, rsc,
operation, interval_spec, just_failures,
scheduler, force);
}
if (rc != pcmk_rc_ok) {
g_list_free(nodes);
return rc;
}
}
g_list_free(nodes);
return pcmk_rc_ok;
}
node = pcmk_find_node(scheduler, host_uname);
if (node == NULL) {
out->err(out, "Unable to clean up %s because node %s not found",
rsc->id, host_uname);
return ENODEV;
}
if (!node->details->rsc_discovery_enabled) {
out->err(out, "Unable to clean up %s because resource discovery disabled on %s",
rsc->id, host_uname);
return EOPNOTSUPP;
}
if (controld_api == NULL) {
out->err(out, "Dry run: skipping clean-up of %s on %s due to CIB_file",
rsc->id, host_uname);
return pcmk_rc_ok;
}
rc = clear_rsc_fail_attrs(rsc, operation, interval_spec, node);
if (rc != pcmk_rc_ok) {
out->err(out, "Unable to clean up %s failures on %s: %s",
rsc->id, host_uname, pcmk_rc_str(rc));
return rc;
}
if (just_failures) {
rc = clear_rsc_failures(out, controld_api, host_uname, rsc->id, operation,
interval_spec, scheduler);
} else {
rc = clear_rsc_history(controld_api, host_uname, rsc->id, scheduler);
}
if (rc != pcmk_rc_ok) {
out->err(out, "Cleaned %s failures on %s, but unable to clean history: %s",
rsc->id, host_uname, pcmk_rc_str(rc));
} else {
out->info(out, "Cleaned up %s on %s", rsc->id, host_uname);
}
return rc;
}
// \return Standard Pacemaker return code
int
cli_cleanup_all(pcmk_ipc_api_t *controld_api, const char *node_name,
const char *operation, const char *interval_spec,
pcmk_scheduler_t *scheduler)
{
pcmk__output_t *out = scheduler->priv;
int rc = pcmk_rc_ok;
int attr_options = pcmk__node_attr_none;
const char *display_name = node_name? node_name : "all nodes";
if (controld_api == NULL) {
out->info(out, "Dry run: skipping clean-up of %s due to CIB_file",
display_name);
return rc;
}
if (node_name) {
pcmk_node_t *node = pcmk_find_node(scheduler, node_name);
if (node == NULL) {
out->err(out, "Unknown node: %s", node_name);
return ENXIO;
}
if (pcmk__is_pacemaker_remote_node(node)) {
attr_options |= pcmk__node_attr_remote;
}
}
rc = pcmk__attrd_api_clear_failures(NULL, node_name, NULL, operation,
interval_spec, NULL, attr_options);
if (rc != pcmk_rc_ok) {
out->err(out, "Unable to clean up all failures on %s: %s",
display_name, pcmk_rc_str(rc));
return rc;
}
if (node_name) {
rc = clear_rsc_failures(out, controld_api, node_name, NULL,
operation, interval_spec, scheduler);
if (rc != pcmk_rc_ok) {
out->err(out, "Cleaned all resource failures on %s, but unable to clean history: %s",
node_name, pcmk_rc_str(rc));
return rc;
}
} else {
for (GList *iter = scheduler->nodes; iter; iter = iter->next) {
pcmk_node_t *node = (pcmk_node_t *) iter->data;
rc = clear_rsc_failures(out, controld_api, node->details->uname, NULL,
operation, interval_spec, scheduler);
if (rc != pcmk_rc_ok) {
out->err(out, "Cleaned all resource failures on all nodes, but unable to clean history: %s",
pcmk_rc_str(rc));
return rc;
}
}
}
out->info(out, "Cleaned up all resources on %s", display_name);
return rc;
}
static void
check_role(resource_checks_t *checks)
{
const char *role_s = g_hash_table_lookup(checks->rsc->meta,
PCMK_META_TARGET_ROLE);
if (role_s == NULL) {
return;
}
switch (pcmk_parse_role(role_s)) {
case pcmk_role_stopped:
checks->flags |= rsc_remain_stopped;
break;
case pcmk_role_unpromoted:
if (pcmk_is_set(pe__const_top_resource(checks->rsc, false)->flags,
pcmk_rsc_promotable)) {
checks->flags |= rsc_unpromotable;
}
break;
default:
break;
}
}
static void
check_managed(resource_checks_t *checks)
{
const char *managed_s = g_hash_table_lookup(checks->rsc->meta,
PCMK_META_IS_MANAGED);
if ((managed_s != NULL) && !crm_is_true(managed_s)) {
checks->flags |= rsc_unmanaged;
}
}
static void
check_locked(resource_checks_t *checks)
{
if (checks->rsc->lock_node != NULL) {
checks->flags |= rsc_locked;
checks->lock_node = checks->rsc->lock_node->details->uname;
}
}
static bool
node_is_unhealthy(pcmk_node_t *node)
{
switch (pe__health_strategy(node->details->data_set)) {
case pcmk__health_strategy_none:
break;
case pcmk__health_strategy_no_red:
if (pe__node_health(node) < 0) {
return true;
}
break;
case pcmk__health_strategy_only_green:
if (pe__node_health(node) <= 0) {
return true;
}
break;
case pcmk__health_strategy_progressive:
case pcmk__health_strategy_custom:
/* @TODO These are finite scores, possibly with rules, and possibly
* combining with other scores, so attributing these as a cause is
* nontrivial.
*/
break;
}
return false;
}
static void
check_node_health(resource_checks_t *checks, pcmk_node_t *node)
{
if (node == NULL) {
GHashTableIter iter;
bool allowed = false;
bool all_nodes_unhealthy = true;
g_hash_table_iter_init(&iter, checks->rsc->allowed_nodes);
while (g_hash_table_iter_next(&iter, NULL, (void **) &node)) {
allowed = true;
if (!node_is_unhealthy(node)) {
all_nodes_unhealthy = false;
break;
}
}
if (allowed && all_nodes_unhealthy) {
checks->flags |= rsc_node_health;
}
} else if (node_is_unhealthy(node)) {
checks->flags |= rsc_node_health;
}
}
int
cli_resource_check(pcmk__output_t *out, pcmk_resource_t *rsc, pcmk_node_t *node)
{
resource_checks_t checks = { .rsc = rsc };
check_role(&checks);
check_managed(&checks);
check_locked(&checks);
check_node_health(&checks, node);
return out->message(out, "resource-check-list", &checks);
}
// \return Standard Pacemaker return code
int
cli_resource_fail(pcmk_ipc_api_t *controld_api, const char *host_uname,
const char *rsc_id, pcmk_scheduler_t *scheduler)
{
crm_notice("Failing %s on %s", rsc_id, host_uname);
return send_lrm_rsc_op(controld_api, true, host_uname, rsc_id, scheduler);
}
static GHashTable *
generate_resource_params(pcmk_resource_t *rsc, pcmk_node_t *node,
pcmk_scheduler_t *scheduler)
{
GHashTable *params = NULL;
GHashTable *meta = NULL;
GHashTable *combined = NULL;
GHashTableIter iter;
char *key = NULL;
char *value = NULL;
combined = pcmk__strkey_table(free, free);
params = pe_rsc_params(rsc, node, scheduler);
if (params != NULL) {
g_hash_table_iter_init(&iter, params);
while (g_hash_table_iter_next(&iter, (gpointer *) & key, (gpointer *) & value)) {
pcmk__insert_dup(combined, key, value);
}
}
meta = pcmk__strkey_table(free, free);
get_meta_attributes(meta, rsc, NULL, scheduler);
if (meta != NULL) {
g_hash_table_iter_init(&iter, meta);
while (g_hash_table_iter_next(&iter, (gpointer *) & key, (gpointer *) & value)) {
char *crm_name = crm_meta_name(key);
g_hash_table_insert(combined, crm_name, strdup(value));
}
g_hash_table_destroy(meta);
}
return combined;
}
bool resource_is_running_on(pcmk_resource_t *rsc, const char *host)
{
bool found = true;
GList *hIter = NULL;
GList *hosts = NULL;
if (rsc == NULL) {
return false;
}
rsc->private->fns->location(rsc, &hosts, TRUE);
for (hIter = hosts; host != NULL && hIter != NULL; hIter = hIter->next) {
pcmk_node_t *node = (pcmk_node_t *) hIter->data;
if (pcmk__strcase_any_of(host, node->details->uname, node->details->id, NULL)) {
crm_trace("Resource %s is running on %s\n", rsc->id, host);
goto done;
}
}
if (host != NULL) {
crm_trace("Resource %s is not running on: %s\n", rsc->id, host);
found = false;
} else if(host == NULL && hosts == NULL) {
crm_trace("Resource %s is not running\n", rsc->id);
found = false;
}
done:
g_list_free(hosts);
return found;
}
/*!
* \internal
* \brief Create a list of all resources active on host from a given list
*
* \param[in] host Name of host to check whether resources are active
* \param[in] rsc_list List of resources to check
*
* \return New list of resources from list that are active on host
*/
static GList *
get_active_resources(const char *host, GList *rsc_list)
{
GList *rIter = NULL;
GList *active = NULL;
for (rIter = rsc_list; rIter != NULL; rIter = rIter->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) rIter->data;
/* Expand groups to their members, because if we're restarting a member
* other than the first, we can't otherwise tell which resources are
* stopping and starting.
*/
if (pcmk__is_group(rsc)) {
active = g_list_concat(active,
get_active_resources(host, rsc->children));
} else if (resource_is_running_on(rsc, host)) {
active = g_list_append(active, strdup(rsc->id));
}
}
return active;
}
static void dump_list(GList *items, const char *tag)
{
int lpc = 0;
GList *item = NULL;
for (item = items; item != NULL; item = item->next) {
crm_trace("%s[%d]: %s", tag, lpc, (char*)item->data);
lpc++;
}
}
static void display_list(pcmk__output_t *out, GList *items, const char *tag)
{
GList *item = NULL;
for (item = items; item != NULL; item = item->next) {
out->info(out, "%s%s", tag, (const char *)item->data);
}
}
/*!
* \internal
* \brief Upgrade XML to latest schema version and use it as scheduler input
*
* This also updates the scheduler timestamp to the current time.
*
* \param[in,out] scheduler Scheduler data to update
* \param[in,out] xml XML to use as input
*
* \return Standard Pacemaker return code
* \note On success, caller is responsible for freeing memory allocated for
* scheduler->now.
*/
int
update_scheduler_input(pcmk_scheduler_t *scheduler, xmlNode **xml)
{
int rc = pcmk_update_configured_schema(xml, false);
if (rc == pcmk_rc_ok) {
scheduler->input = *xml;
scheduler->now = crm_time_new(NULL);
}
return pcmk_rc_ok;
}
/*!
* \internal
* \brief Update scheduler XML input based on a CIB query
*
* \param[in] scheduler Scheduler data to initialize
* \param[in] cib Connection to the CIB manager
*
* \return Standard Pacemaker return code
* \note On success, caller is responsible for freeing memory allocated for
* scheduler->input and scheduler->now.
*/
static int
update_scheduler_input_to_cib(pcmk__output_t *out, pcmk_scheduler_t *scheduler,
cib_t *cib)
{
xmlNode *cib_xml_copy = NULL;
int rc = pcmk_rc_ok;
rc = cib->cmds->query(cib, NULL, &cib_xml_copy, cib_scope_local | cib_sync_call);
rc = pcmk_legacy2rc(rc);
if (rc != pcmk_rc_ok) {
out->err(out, "Could not obtain the current CIB: %s (%d)", pcmk_rc_str(rc), rc);
return rc;
}
rc = update_scheduler_input(scheduler, &cib_xml_copy);
if (rc != pcmk_rc_ok) {
out->err(out, "Could not upgrade the current CIB XML");
pcmk__xml_free(cib_xml_copy);
return rc;
}
return rc;
}
// \return Standard Pacemaker return code
static int
update_dataset(cib_t *cib, pcmk_scheduler_t *scheduler, bool simulate)
{
char *pid = NULL;
char *shadow_file = NULL;
cib_t *shadow_cib = NULL;
int rc = pcmk_rc_ok;
pcmk__output_t *out = scheduler->priv;
pe_reset_working_set(scheduler);
pcmk__set_scheduler_flags(scheduler,
pcmk_sched_no_counts|pcmk_sched_no_compat);
rc = update_scheduler_input_to_cib(out, scheduler, cib);
if (rc != pcmk_rc_ok) {
return rc;
}
if(simulate) {
bool prev_quiet = false;
pid = pcmk__getpid_s();
shadow_cib = cib_shadow_new(pid);
shadow_file = get_shadow_file(pid);
if (shadow_cib == NULL) {
out->err(out, "Could not create shadow cib: '%s'", pid);
rc = ENXIO;
goto done;
}
rc = pcmk__xml_write_file(scheduler->input, shadow_file, false, NULL);
if (rc != pcmk_rc_ok) {
out->err(out, "Could not populate shadow cib: %s", pcmk_rc_str(rc));
goto done;
}
rc = shadow_cib->cmds->signon(shadow_cib, crm_system_name, cib_command);
rc = pcmk_legacy2rc(rc);
if (rc != pcmk_rc_ok) {
out->err(out, "Could not connect to shadow cib: %s",
pcmk_rc_str(rc));
goto done;
}
pcmk__schedule_actions(scheduler->input,
pcmk_sched_no_counts|pcmk_sched_no_compat,
scheduler);
prev_quiet = out->is_quiet(out);
out->quiet = true;
pcmk__simulate_transition(scheduler, shadow_cib, NULL);
out->quiet = prev_quiet;
rc = update_dataset(shadow_cib, scheduler, false);
} else {
cluster_status(scheduler);
}
done:
- // Do not free scheduler->input here, we need rsc->xml to be valid later on
+ // Do not free scheduler->input because rsc->private->xml must remain valid
cib_delete(shadow_cib);
free(pid);
if(shadow_file) {
unlink(shadow_file);
free(shadow_file);
}
return rc;
}
/*!
* \internal
* \brief Find the maximum stop timeout of a resource and its children (if any)
*
* \param[in,out] rsc Resource to get timeout for
*
* \return Maximum stop timeout for \p rsc (in milliseconds)
*/
static guint
max_rsc_stop_timeout(pcmk_resource_t *rsc)
{
long long result_ll;
guint max_delay = 0;
xmlNode *config = NULL;
GHashTable *meta = NULL;
if (rsc == NULL) {
return 0;
}
// If resource is collective, use maximum of its children's stop timeouts
if (rsc->children != NULL) {
for (GList *iter = rsc->children; iter; iter = iter->next) {
pcmk_resource_t *child = iter->data;
guint delay = max_rsc_stop_timeout(child);
if (delay > max_delay) {
pcmk__rsc_trace(rsc,
"Maximum stop timeout for %s is now %s "
"due to %s", rsc->id,
pcmk__readable_interval(delay), child->id);
max_delay = delay;
}
}
return max_delay;
}
// Get resource's stop action configuration from CIB
config = pcmk__find_action_config(rsc, PCMK_ACTION_STOP, 0, true);
/* Get configured timeout for stop action (fully evaluated for rules,
* defaults, etc.).
*
* @TODO This currently ignores node (which might matter for rules)
*/
meta = pcmk__unpack_action_meta(rsc, NULL, PCMK_ACTION_STOP, 0, config);
if ((pcmk__scan_ll(g_hash_table_lookup(meta, PCMK_META_TIMEOUT),
&result_ll, -1LL) == pcmk_rc_ok) && (result_ll >= 0)) {
max_delay = (guint) QB_MIN(result_ll, UINT_MAX);
}
g_hash_table_destroy(meta);
return max_delay;
}
/*!
* \internal
* \brief Find a reasonable waiting time for stopping any one resource in a list
*
* \param[in,out] scheduler Scheduler data
* \param[in] resources List of names of resources that will be stopped
*
* \return Rough estimate of a reasonable time to wait (in seconds) to stop any
* one resource in \p resources
* \note This estimate is very rough, simply the maximum stop timeout of all
* given resources and their children, plus a small fudge factor. It does
* not account for children that must be stopped in sequence, action
* throttling, or any demotions needed. It checks the stop timeout, even
* if the resources in question are actually being started.
*/
static guint
wait_time_estimate(pcmk_scheduler_t *scheduler, const GList *resources)
{
guint max_delay = 0U;
// Find maximum stop timeout in milliseconds
for (const GList *item = resources; item != NULL; item = item->next) {
pcmk_resource_t *rsc = pe_find_resource(scheduler->resources,
(const char *) item->data);
guint delay = max_rsc_stop_timeout(rsc);
if (delay > max_delay) {
pcmk__rsc_trace(rsc,
"Wait time is now %s due to %s",
pcmk__readable_interval(delay), rsc->id);
max_delay = delay;
}
}
return (max_delay / 1000U) + 5U;
}
#define waiting_for_starts(d, r, h) ((d != NULL) || \
(!resource_is_running_on((r), (h))))
/*!
* \internal
* \brief Restart a resource (on a particular host if requested).
*
* \param[in,out] out Output object
* \param[in,out] rsc The resource to restart
* \param[in] node Node to restart resource on (NULL for all)
* \param[in] move_lifetime If not NULL, how long constraint should
* remain in effect (as ISO 8601 string)
* \param[in] timeout_ms Consider failed if actions do not complete
* in this time (specified in milliseconds,
* but a two-second granularity is actually
* used; if 0, it will be calculated based on
* the resource timeout)
* \param[in,out] cib Connection to the CIB manager
* \param[in] cib_options Group of enum cib_call_options flags to
* use with CIB calls
* \param[in] promoted_role_only If true, limit to promoted instances
* \param[in] force If true, apply only to requested instance
* if part of a collective resource
*
* \return Standard Pacemaker return code (exits on certain failures)
*/
int
cli_resource_restart(pcmk__output_t *out, pcmk_resource_t *rsc,
const pcmk_node_t *node, const char *move_lifetime,
guint timeout_ms, cib_t *cib, int cib_options,
gboolean promoted_role_only, gboolean force)
{
int rc = pcmk_rc_ok;
int lpc = 0;
int before = 0;
guint step_timeout_s = 0;
guint sleep_interval = 2U;
guint timeout = timeout_ms / 1000U;
bool stop_via_ban = false;
char *rsc_id = NULL;
char *lookup_id = NULL;
char *orig_target_role = NULL;
GList *list_delta = NULL;
GList *target_active = NULL;
GList *current_active = NULL;
GList *restart_target_active = NULL;
pcmk_scheduler_t *scheduler = NULL;
pcmk_resource_t *parent = uber_parent(rsc);
bool running = false;
const char *id = pcmk__s(rsc->private->history_id, rsc->id);
const char *host = node ? node->details->uname : NULL;
/* If the implicit resource or primitive resource of a bundle is given, operate on the
* bundle itself instead.
*/
if (pcmk__is_bundled(rsc)) {
rsc = parent->parent;
}
running = resource_is_running_on(rsc, host);
if (pcmk__is_clone(parent) && !running) {
if (pcmk__is_unique_clone(parent)) {
lookup_id = strdup(rsc->id);
} else {
lookup_id = clone_strip(rsc->id);
}
rsc = parent->private->fns->find_rsc(parent, lookup_id, node,
pcmk_rsc_match_basename
|pcmk_rsc_match_current_node);
free(lookup_id);
running = resource_is_running_on(rsc, host);
}
if (!running) {
if (host) {
out->err(out, "%s is not running on %s and so cannot be restarted", id, host);
} else {
out->err(out, "%s is not running anywhere and so cannot be restarted", id);
}
return ENXIO;
}
if (!pcmk_is_set(rsc->flags, pcmk_rsc_managed)) {
out->err(out, "Unmanaged resources cannot be restarted.");
return EAGAIN;
}
rsc_id = strdup(rsc->id);
if (pcmk__is_unique_clone(parent)) {
lookup_id = strdup(rsc->id);
} else {
lookup_id = clone_strip(rsc->id);
}
if (host) {
if (pcmk__is_clone(rsc) || pe_bundle_replicas(rsc)) {
stop_via_ban = true;
} else if (pcmk__is_clone(parent)) {
stop_via_ban = true;
free(lookup_id);
lookup_id = strdup(parent->id);
}
}
/*
grab full cib
determine originally active resources
disable or ban
poll cib and watch for affected resources to get stopped
without --timeout, calculate the stop timeout for each step and wait for that
if we hit --timeout or the service timeout, re-enable or un-ban, report failure and indicate which resources we couldn't take down
if everything stopped, re-enable or un-ban
poll cib and watch for affected resources to get started
without --timeout, calculate the start timeout for each step and wait for that
if we hit --timeout or the service timeout, report (different) failure and indicate which resources we couldn't bring back up
report success
Optimizations:
- use constraints to determine ordered list of affected resources
- Allow a --no-deps option (aka. --force-restart)
*/
scheduler = pe_new_working_set();
if (scheduler == NULL) {
rc = errno;
out->err(out, "Could not allocate scheduler data: %s", pcmk_rc_str(rc));
goto done;
}
scheduler->priv = out;
rc = update_dataset(cib, scheduler, false);
if(rc != pcmk_rc_ok) {
out->err(out, "Could not get new resource list: %s (%d)", pcmk_rc_str(rc), rc);
goto done;
}
restart_target_active = get_active_resources(host, scheduler->resources);
current_active = get_active_resources(host, scheduler->resources);
dump_list(current_active, "Origin");
if (stop_via_ban) {
/* Stop the clone or bundle instance by banning it from the host */
out->quiet = true;
rc = cli_resource_ban(out, lookup_id, host, move_lifetime, cib,
cib_options, promoted_role_only,
PCMK_ROLE_PROMOTED);
} else {
xmlNode *xml_search = NULL;
/* Stop the resource by setting PCMK_META_TARGET_ROLE to Stopped.
* Remember any existing PCMK_META_TARGET_ROLE so we can restore it
* later (though it only makes any difference if it's Unpromoted).
*/
rc = find_resource_attr(out, cib, PCMK_XA_VALUE, lookup_id, NULL, NULL, NULL,
PCMK_META_TARGET_ROLE, &xml_search);
if (rc == pcmk_rc_ok) {
orig_target_role = crm_element_value_copy(xml_search, PCMK_XA_VALUE);
}
pcmk__xml_free(xml_search);
rc = cli_resource_update_attribute(rsc, rsc_id, NULL,
PCMK_XE_META_ATTRIBUTES, NULL,
PCMK_META_TARGET_ROLE,
PCMK_ACTION_STOPPED, FALSE, cib,
force);
}
if(rc != pcmk_rc_ok) {
out->err(out, "Could not set " PCMK_META_TARGET_ROLE " for %s: %s (%d)",
rsc_id, pcmk_rc_str(rc), rc);
if (current_active != NULL) {
g_list_free_full(current_active, free);
current_active = NULL;
}
if (restart_target_active != NULL) {
g_list_free_full(restart_target_active, free);
restart_target_active = NULL;
}
goto done;
}
rc = update_dataset(cib, scheduler, true);
if(rc != pcmk_rc_ok) {
out->err(out, "Could not determine which resources would be stopped");
goto failure;
}
target_active = get_active_resources(host, scheduler->resources);
dump_list(target_active, "Target");
list_delta = pcmk__subtract_lists(current_active, target_active, (GCompareFunc) strcmp);
out->info(out, "Waiting for %d resources to stop:", g_list_length(list_delta));
display_list(out, list_delta, " * ");
step_timeout_s = timeout / sleep_interval;
while (list_delta != NULL) {
before = g_list_length(list_delta);
if(timeout_ms == 0) {
step_timeout_s = wait_time_estimate(scheduler, list_delta)
/ sleep_interval;
}
/* We probably don't need the entire step timeout */
for(lpc = 0; (lpc < step_timeout_s) && (list_delta != NULL); lpc++) {
sleep(sleep_interval);
if(timeout) {
timeout -= sleep_interval;
crm_trace("%us remaining", timeout);
}
rc = update_dataset(cib, scheduler, FALSE);
if(rc != pcmk_rc_ok) {
out->err(out, "Could not determine which resources were stopped");
goto failure;
}
if (current_active != NULL) {
g_list_free_full(current_active, free);
}
current_active = get_active_resources(host, scheduler->resources);
g_list_free(list_delta);
list_delta = pcmk__subtract_lists(current_active, target_active, (GCompareFunc) strcmp);
dump_list(current_active, "Current");
dump_list(list_delta, "Delta");
}
crm_trace("%d (was %d) resources remaining", g_list_length(list_delta), before);
if(before == g_list_length(list_delta)) {
/* aborted during stop phase, print the contents of list_delta */
out->err(out, "Could not complete shutdown of %s, %d resources remaining", rsc_id, g_list_length(list_delta));
display_list(out, list_delta, " * ");
rc = ETIME;
goto failure;
}
}
if (stop_via_ban) {
rc = cli_resource_clear(lookup_id, host, NULL, cib, cib_options, true, force);
} else if (orig_target_role) {
rc = cli_resource_update_attribute(rsc, rsc_id, NULL,
PCMK_XE_META_ATTRIBUTES, NULL,
PCMK_META_TARGET_ROLE,
orig_target_role, FALSE, cib, force);
free(orig_target_role);
orig_target_role = NULL;
} else {
rc = cli_resource_delete_attribute(rsc, rsc_id, NULL,
PCMK_XE_META_ATTRIBUTES, NULL,
PCMK_META_TARGET_ROLE, cib,
cib_options, force);
}
if(rc != pcmk_rc_ok) {
out->err(out,
"Could not unset " PCMK_META_TARGET_ROLE " for %s: %s (%d)",
rsc_id, pcmk_rc_str(rc), rc);
goto done;
}
if (target_active != NULL) {
g_list_free_full(target_active, free);
}
target_active = restart_target_active;
list_delta = pcmk__subtract_lists(target_active, current_active, (GCompareFunc) strcmp);
out->info(out, "Waiting for %d resources to start again:", g_list_length(list_delta));
display_list(out, list_delta, " * ");
step_timeout_s = timeout / sleep_interval;
while (waiting_for_starts(list_delta, rsc, host)) {
before = g_list_length(list_delta);
if(timeout_ms == 0) {
step_timeout_s = wait_time_estimate(scheduler, list_delta)
/ sleep_interval;
}
/* We probably don't need the entire step timeout */
for (lpc = 0; (lpc < step_timeout_s) && waiting_for_starts(list_delta, rsc, host); lpc++) {
sleep(sleep_interval);
if(timeout) {
timeout -= sleep_interval;
crm_trace("%ds remaining", timeout);
}
rc = update_dataset(cib, scheduler, false);
if(rc != pcmk_rc_ok) {
out->err(out, "Could not determine which resources were started");
goto failure;
}
/* It's OK if dependent resources moved to a different node,
* so we check active resources on all nodes.
*/
if (current_active != NULL) {
g_list_free_full(current_active, free);
}
current_active = get_active_resources(NULL, scheduler->resources);
g_list_free(list_delta);
list_delta = pcmk__subtract_lists(target_active, current_active, (GCompareFunc) strcmp);
dump_list(current_active, "Current");
dump_list(list_delta, "Delta");
}
if(before == g_list_length(list_delta)) {
/* aborted during start phase, print the contents of list_delta */
out->err(out, "Could not complete restart of %s, %d resources remaining", rsc_id, g_list_length(list_delta));
display_list(out, list_delta, " * ");
rc = ETIME;
goto failure;
}
}
rc = pcmk_rc_ok;
goto done;
failure:
if (stop_via_ban) {
cli_resource_clear(lookup_id, host, NULL, cib, cib_options, true, force);
} else if (orig_target_role) {
cli_resource_update_attribute(rsc, rsc_id, NULL,
PCMK_XE_META_ATTRIBUTES, NULL,
PCMK_META_TARGET_ROLE, orig_target_role,
FALSE, cib, force);
free(orig_target_role);
} else {
cli_resource_delete_attribute(rsc, rsc_id, NULL,
PCMK_XE_META_ATTRIBUTES, NULL,
PCMK_META_TARGET_ROLE, cib, cib_options,
force);
}
done:
if (list_delta != NULL) {
g_list_free(list_delta);
}
if (current_active != NULL) {
g_list_free_full(current_active, free);
}
if (target_active != NULL && (target_active != restart_target_active)) {
g_list_free_full(target_active, free);
}
if (restart_target_active != NULL) {
g_list_free_full(restart_target_active, free);
}
free(rsc_id);
free(lookup_id);
pe_free_working_set(scheduler);
return rc;
}
static inline bool
action_is_pending(const pcmk_action_t *action)
{
if (pcmk_any_flags_set(action->flags,
pcmk_action_optional|pcmk_action_pseudo)
|| !pcmk_is_set(action->flags, pcmk_action_runnable)
|| pcmk__str_eq(PCMK_ACTION_NOTIFY, action->task, pcmk__str_casei)) {
return false;
}
return true;
}
/*!
* \internal
* \brief Check whether any actions in a list are pending
*
* \param[in] actions List of actions to check
*
* \return true if any actions in the list are pending, otherwise false
*/
static bool
actions_are_pending(const GList *actions)
{
for (const GList *action = actions; action != NULL; action = action->next) {
const pcmk_action_t *a = (const pcmk_action_t *) action->data;
if (action_is_pending(a)) {
crm_notice("Waiting for %s (flags=%#.8x)", a->uuid, a->flags);
return true;
}
}
return false;
}
static void
print_pending_actions(pcmk__output_t *out, GList *actions)
{
GList *action;
out->info(out, "Pending actions:");
for (action = actions; action != NULL; action = action->next) {
pcmk_action_t *a = (pcmk_action_t *) action->data;
if (!action_is_pending(a)) {
continue;
}
if (a->node) {
out->info(out, "\tAction %d: %s\ton %s",
a->id, a->uuid, pcmk__node_name(a->node));
} else {
out->info(out, "\tAction %d: %s", a->id, a->uuid);
}
}
}
/* For --wait, timeout (in seconds) to use if caller doesn't specify one */
#define WAIT_DEFAULT_TIMEOUT_S (60 * 60)
/* For --wait, how long to sleep between cluster state checks */
#define WAIT_SLEEP_S (2)
/*!
* \internal
* \brief Wait until all pending cluster actions are complete
*
* This waits until either the CIB's transition graph is idle or a timeout is
* reached.
*
* \param[in,out] out Output object
* \param[in] timeout_ms Consider failed if actions do not complete in
* this time (specified in milliseconds, but
* one-second granularity is actually used; if 0, a
* default will be used)
* \param[in,out] cib Connection to the CIB manager
*
* \return Standard Pacemaker return code
*/
int
wait_till_stable(pcmk__output_t *out, guint timeout_ms, cib_t * cib)
{
pcmk_scheduler_t *scheduler = NULL;
xmlXPathObjectPtr search;
int rc = pcmk_rc_ok;
bool pending_unknown_state_resources;
time_t expire_time = time(NULL);
time_t time_diff;
bool printed_version_warning = out->is_quiet(out); // i.e. don't print if quiet
char *xpath = NULL;
if (timeout_ms == 0) {
expire_time += WAIT_DEFAULT_TIMEOUT_S;
} else {
expire_time += (timeout_ms + 999) / 1000;
}
scheduler = pe_new_working_set();
if (scheduler == NULL) {
return ENOMEM;
}
xpath = crm_strdup_printf("/" PCMK_XE_CIB "/" PCMK_XE_STATUS
"/" PCMK__XE_NODE_STATE "/" PCMK__XE_LRM
"/" PCMK__XE_LRM_RESOURCES
"/" PCMK__XE_LRM_RESOURCE
"/" PCMK__XE_LRM_RSC_OP
"[@" PCMK__XA_RC_CODE "='%d']",
PCMK_OCF_UNKNOWN);
do {
/* Abort if timeout is reached */
time_diff = expire_time - time(NULL);
if (time_diff <= 0) {
print_pending_actions(out, scheduler->actions);
rc = ETIME;
break;
}
crm_info("Waiting up to %lld seconds for cluster actions to complete",
(long long) time_diff);
if (rc == pcmk_rc_ok) { /* this avoids sleep on first loop iteration */
sleep(WAIT_SLEEP_S);
}
/* Get latest transition graph */
pe_reset_working_set(scheduler);
rc = update_scheduler_input_to_cib(out, scheduler, cib);
if (rc != pcmk_rc_ok) {
break;
}
pcmk__schedule_actions(scheduler->input,
pcmk_sched_no_counts|pcmk_sched_no_compat,
scheduler);
if (!printed_version_warning) {
/* If the DC has a different version than the local node, the two
* could come to different conclusions about what actions need to be
* done. Warn the user in this case.
*
* @TODO A possible long-term solution would be to reimplement the
* wait as a new controller operation that would be forwarded to the
* DC. However, that would have potential problems of its own.
*/
const char *dc_version = g_hash_table_lookup(scheduler->config_hash,
PCMK_OPT_DC_VERSION);
if (!pcmk__str_eq(dc_version, PACEMAKER_VERSION "-" BUILD_VERSION, pcmk__str_casei)) {
out->info(out, "warning: wait option may not work properly in "
"mixed-version cluster");
printed_version_warning = true;
}
}
search = xpath_search(scheduler->input, xpath);
pending_unknown_state_resources = (numXpathResults(search) > 0);
freeXpathObject(search);
} while (actions_are_pending(scheduler->actions) || pending_unknown_state_resources);
pe_free_working_set(scheduler);
free(xpath);
return rc;
}
static const char *
get_action(const char *rsc_action) {
const char *action = NULL;
if (pcmk__str_eq(rsc_action, "validate", pcmk__str_casei)) {
action = PCMK_ACTION_VALIDATE_ALL;
} else if (pcmk__str_eq(rsc_action, "force-check", pcmk__str_casei)) {
action = PCMK_ACTION_MONITOR;
} else if (pcmk__strcase_any_of(rsc_action, "force-start", "force-stop",
"force-demote", "force-promote", NULL)) {
action = rsc_action+6;
} else {
action = rsc_action;
}
return action;
}
/*!
* \brief Set up environment variables as expected by resource agents
*
* When the cluster executes resource agents, it adds certain environment
* variables (directly or via resource meta-attributes) expected by some
* resource agents. Add the essential ones that many resource agents expect, so
* the behavior is the same for command-line execution.
*
* \param[in,out] params Resource parameters that will be passed to agent
* \param[in] timeout_ms Action timeout (in milliseconds)
* \param[in] check_level OCF check level
* \param[in] verbosity Verbosity level
*/
static void
set_agent_environment(GHashTable *params, guint timeout_ms, int check_level,
int verbosity)
{
g_hash_table_insert(params, crm_meta_name(PCMK_META_TIMEOUT),
crm_strdup_printf("%u", timeout_ms));
pcmk__insert_dup(params, PCMK_XA_CRM_FEATURE_SET, CRM_FEATURE_SET);
if (check_level >= 0) {
char *level = crm_strdup_printf("%d", check_level);
setenv("OCF_CHECK_LEVEL", level, 1);
free(level);
}
pcmk__set_env_option(PCMK__ENV_DEBUG, ((verbosity > 0)? "1" : "0"), true);
if (verbosity > 1) {
setenv("OCF_TRACE_RA", "1", 1);
}
/* A resource agent using the standard ocf-shellfuncs library will not print
* messages to stderr if it doesn't have a controlling terminal (e.g. if
* crm_resource is called via script or ssh). This forces it to do so.
*/
setenv("OCF_TRACE_FILE", "/dev/stderr", 0);
}
/*!
* \internal
* \brief Apply command-line overrides to resource parameters
*
* \param[in,out] params Parameters to be passed to agent
* \param[in] overrides Parameters to override (or NULL if none)
*/
static void
apply_overrides(GHashTable *params, GHashTable *overrides)
{
if (overrides != NULL) {
GHashTableIter iter;
char *name = NULL;
char *value = NULL;
g_hash_table_iter_init(&iter, overrides);
while (g_hash_table_iter_next(&iter, (gpointer *) &name,
(gpointer *) &value)) {
pcmk__insert_dup(params, name, value);
}
}
}
crm_exit_t
cli_resource_execute_from_params(pcmk__output_t *out, const char *rsc_name,
const char *rsc_class, const char *rsc_prov,
const char *rsc_type, const char *rsc_action,
GHashTable *params, GHashTable *override_hash,
guint timeout_ms, int resource_verbose,
gboolean force, int check_level)
{
const char *class = rsc_class;
const char *action = get_action(rsc_action);
crm_exit_t exit_code = CRM_EX_OK;
svc_action_t *op = NULL;
// If no timeout was provided, use the same default as the cluster
if (timeout_ms == 0U) {
timeout_ms = PCMK_DEFAULT_ACTION_TIMEOUT_MS;
}
set_agent_environment(params, timeout_ms, check_level, resource_verbose);
apply_overrides(params, override_hash);
op = services__create_resource_action(rsc_name? rsc_name : "test",
rsc_class, rsc_prov, rsc_type, action,
0, QB_MIN(timeout_ms, INT_MAX),
params, 0);
if (op == NULL) {
out->err(out, "Could not execute %s using %s%s%s:%s: %s",
action, rsc_class, (rsc_prov? ":" : ""),
(rsc_prov? rsc_prov : ""), rsc_type, strerror(ENOMEM));
g_hash_table_destroy(params);
return CRM_EX_OSERR;
}
if (pcmk__str_eq(rsc_class, PCMK_RESOURCE_CLASS_SERVICE, pcmk__str_casei)) {
class = resources_find_service_class(rsc_type);
}
if (!pcmk__strcase_any_of(class, PCMK_RESOURCE_CLASS_OCF,
PCMK_RESOURCE_CLASS_LSB, NULL)) {
services__format_result(op, CRM_EX_UNIMPLEMENT_FEATURE, PCMK_EXEC_ERROR,
"Manual execution of the %s standard is "
"unsupported", pcmk__s(class, "unspecified"));
}
if (op->rc != PCMK_OCF_UNKNOWN) {
exit_code = op->rc;
goto done;
}
services_action_sync(op);
// Map results to OCF codes for consistent reporting to user
{
enum ocf_exitcode ocf_code = services_result2ocf(class, action, op->rc);
// Cast variable instead of function return to keep compilers happy
exit_code = (crm_exit_t) ocf_code;
}
done:
out->message(out, "resource-agent-action", resource_verbose, rsc_class,
rsc_prov, rsc_type, rsc_name, rsc_action, override_hash,
exit_code, op->status, services__exit_reason(op),
op->stdout_data, op->stderr_data);
services_action_free(op);
return exit_code;
}
/*!
* \internal
* \brief Get the timeout the cluster would use for an action
*
* \param[in] rsc Resource that action is for
* \param[in] action Name of action
*/
static guint
get_action_timeout(pcmk_resource_t *rsc, const char *action)
{
long long timeout_ms = -1LL;
xmlNode *op = pcmk__find_action_config(rsc, action, 0, true);
GHashTable *meta = pcmk__unpack_action_meta(rsc, NULL, action, 0, op);
if ((pcmk__scan_ll(g_hash_table_lookup(meta, PCMK_META_TIMEOUT),
&timeout_ms, -1LL) != pcmk_rc_ok)
|| (timeout_ms <= 0LL)) {
timeout_ms = PCMK_DEFAULT_ACTION_TIMEOUT_MS;
}
g_hash_table_destroy(meta);
return (guint) QB_MIN(timeout_ms, UINT_MAX);
}
crm_exit_t
cli_resource_execute(pcmk_resource_t *rsc, const char *requested_name,
const char *rsc_action, GHashTable *override_hash,
guint timeout_ms, cib_t *cib, pcmk_scheduler_t *scheduler,
int resource_verbose, gboolean force, int check_level)
{
pcmk__output_t *out = scheduler->priv;
crm_exit_t exit_code = CRM_EX_OK;
const char *rid = NULL;
const char *rtype = NULL;
const char *rprov = NULL;
const char *rclass = NULL;
GHashTable *params = NULL;
if (pcmk__strcase_any_of(rsc_action, "force-start", "force-demote",
"force-promote", NULL)) {
if (pcmk__is_clone(rsc)) {
GList *nodes = cli_resource_search(rsc, requested_name, scheduler);
if(nodes != NULL && force == FALSE) {
out->err(out, "It is not safe to %s %s here: the cluster claims it is already active",
rsc_action, rsc->id);
out->err(out,
"Try setting "
PCMK_META_TARGET_ROLE "=" PCMK_ROLE_STOPPED
" first or specifying the force option");
return CRM_EX_UNSAFE;
}
g_list_free_full(nodes, free);
}
}
if (pcmk__is_clone(rsc)) {
/* Grab the first child resource in the hope it's not a group */
rsc = rsc->children->data;
}
if (pcmk__is_group(rsc)) {
out->err(out, "Sorry, the %s option doesn't support group resources", rsc_action);
return CRM_EX_UNIMPLEMENT_FEATURE;
} else if (pcmk__is_bundled(rsc)) {
out->err(out, "Sorry, the %s option doesn't support bundled resources", rsc_action);
return CRM_EX_UNIMPLEMENT_FEATURE;
}
- rclass = crm_element_value(rsc->xml, PCMK_XA_CLASS);
- rprov = crm_element_value(rsc->xml, PCMK_XA_PROVIDER);
- rtype = crm_element_value(rsc->xml, PCMK_XA_TYPE);
+ rclass = crm_element_value(rsc->private->xml, PCMK_XA_CLASS);
+ rprov = crm_element_value(rsc->private->xml, PCMK_XA_PROVIDER);
+ rtype = crm_element_value(rsc->private->xml, PCMK_XA_TYPE);
params = generate_resource_params(rsc, NULL /* @TODO use local node */,
scheduler);
if (timeout_ms == 0U) {
timeout_ms = get_action_timeout(rsc, get_action(rsc_action));
}
rid = pcmk__is_anonymous_clone(rsc->parent)? requested_name : rsc->id;
exit_code = cli_resource_execute_from_params(out, rid, rclass, rprov, rtype, rsc_action,
params, override_hash, timeout_ms,
resource_verbose, force, check_level);
return exit_code;
}
// \return Standard Pacemaker return code
int
cli_resource_move(const pcmk_resource_t *rsc, const char *rsc_id,
const char *host_name, const char *move_lifetime, cib_t *cib,
int cib_options, pcmk_scheduler_t *scheduler,
gboolean promoted_role_only, gboolean force)
{
pcmk__output_t *out = scheduler->priv;
int rc = pcmk_rc_ok;
unsigned int count = 0;
pcmk_node_t *current = NULL;
pcmk_node_t *dest = pcmk_find_node(scheduler, host_name);
bool cur_is_dest = false;
if (dest == NULL) {
return pcmk_rc_node_unknown;
}
if (promoted_role_only
&& !pcmk_is_set(rsc->flags, pcmk_rsc_promotable)) {
const pcmk_resource_t *p = pe__const_top_resource(rsc, false);
if (pcmk_is_set(p->flags, pcmk_rsc_promotable)) {
out->info(out, "Using parent '%s' for move instead of '%s'.", rsc->id, rsc_id);
rsc_id = p->id;
rsc = p;
} else {
out->info(out, "Ignoring --promoted option: %s is not promotable",
rsc_id);
promoted_role_only = FALSE;
}
}
current = pe__find_active_requires(rsc, &count);
if (pcmk_is_set(rsc->flags, pcmk_rsc_promotable)) {
unsigned int promoted_count = 0;
pcmk_node_t *promoted_node = NULL;
for (const GList *iter = rsc->children; iter; iter = iter->next) {
const pcmk_resource_t *child = (const pcmk_resource_t *) iter->data;
enum rsc_role_e child_role = child->private->fns->state(child,
TRUE);
if (child_role == pcmk_role_promoted) {
rsc = child;
promoted_node = pcmk__current_node(child);
promoted_count++;
}
}
if (promoted_role_only || (promoted_count != 0)) {
count = promoted_count;
current = promoted_node;
}
}
if (count > 1) {
if (pcmk__is_clone(rsc)) {
current = NULL;
} else {
return pcmk_rc_multiple;
}
}
if (pcmk__same_node(current, dest)) {
cur_is_dest = true;
if (force) {
crm_info("%s is already %s on %s, reinforcing placement with location constraint.",
rsc_id, promoted_role_only?"promoted":"active",
pcmk__node_name(dest));
} else {
return pcmk_rc_already;
}
}
/* Clear any previous prefer constraints across all nodes. */
cli_resource_clear(rsc_id, NULL, scheduler->nodes, cib, cib_options, false,
force);
/* Clear any previous ban constraints on 'dest'. */
cli_resource_clear(rsc_id, dest->details->uname, scheduler->nodes, cib,
cib_options, TRUE, force);
/* Record an explicit preference for 'dest' */
rc = cli_resource_prefer(out, rsc_id, dest->details->uname, move_lifetime,
cib, cib_options, promoted_role_only,
PCMK_ROLE_PROMOTED);
crm_trace("%s%s now prefers %s%s",
rsc->id, (promoted_role_only? " (promoted)" : ""),
pcmk__node_name(dest), force?"(forced)":"");
/* only ban the previous location if current location != destination location.
* it is possible to use -M to enforce a location without regard of where the
* resource is currently located */
if (force && !cur_is_dest) {
/* Ban the original location if possible */
if(current) {
(void)cli_resource_ban(out, rsc_id, current->details->uname, move_lifetime,
cib, cib_options, promoted_role_only,
PCMK_ROLE_PROMOTED);
} else if(count > 1) {
out->info(out, "Resource '%s' is currently %s in %d locations. "
"One may now move to %s",
rsc_id, (promoted_role_only? "promoted" : "active"),
count, pcmk__node_name(dest));
out->info(out, "To prevent '%s' from being %s at a specific location, "
"specify a node.",
rsc_id, (promoted_role_only? "promoted" : "active"));
} else {
crm_trace("Not banning %s from its current location: not active", rsc_id);
}
}
return rc;
}

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