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diff --git a/daemons/fenced/fenced_scheduler.c b/daemons/fenced/fenced_scheduler.c
index 7a00b4e89d..8fde71a323 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);
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);
/* @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(pcmk__s(rsc->clone_name, rsc->id),
- st_namespace_any, agent, params,
- rsc_provides);
+ 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 d60806db1f..b7d855dad2 100644
--- a/include/crm/common/resources.h
+++ b/include/crm/common/resources.h
@@ -1,347 +1,345 @@
/*
* 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
- char *clone_name; // Resource instance ID in history
-
// 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 228471d14d..8c73eb409f 100644
--- a/include/crm/common/resources_internal.h
+++ b/include/crm/common/resources_internal.h
@@ -1,220 +1,222 @@
/*
* 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
+
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 364a51f390..f6b4916486 100644
--- a/lib/pacemaker/pcmk_graph_producer.c
+++ b/lib/pacemaker/pcmk_graph_producer.c
@@ -1,1097 +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");
- CRM_LOG_ASSERT((n_type != NULL) && (n_task != NULL));
- return pcmk__notify_key(action->rsc->clone_name, n_type, n_task);
-
- } else if (action->cancel_task != NULL) {
- return pcmk__op_key(action->rsc->clone_name, action->cancel_task,
- interval_ms);
- } else {
- return pcmk__op_key(action->rsc->clone_name, action->task, interval_ms);
+ 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);
if (pcmk_is_set(action->rsc->flags, pcmk_rsc_removed)
- && (action->rsc->clone_name != NULL)) {
+ && (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 %s",
- action->rsc->id, action->rsc->clone_name);
- crm_xml_add(rsc_xml, PCMK_XA_ID, action->rsc->clone_name);
+ 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);
crm_debug("Using anonymous clone name %s for %s (aka %s)",
- xml_id, action->rsc->id, action->rsc->clone_name);
+ 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->clone_name != NULL)
- && !pcmk__str_eq(xml_id, action->rsc->clone_name,
+ 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->clone_name);
+ 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->clone_name == NULL);
+ 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->clone_name != NULL)) {
+ 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_sched_promotable.c b/lib/pacemaker/pcmk_sched_promotable.c
index c979ce5866..6ab5de7f44 100644
--- a/lib/pacemaker/pcmk_sched_promotable.c
+++ b/lib/pacemaker/pcmk_sched_promotable.c
@@ -1,1321 +1,1322 @@
/*
* 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/common/xml.h>
#include <pacemaker-internal.h>
#include "libpacemaker_private.h"
/*!
* \internal
* \brief Add implicit promotion ordering for a promotable instance
*
* \param[in,out] clone Clone resource
* \param[in,out] child Instance of \p clone being ordered
* \param[in,out] last Previous instance ordered (NULL if \p child is first)
*/
static void
order_instance_promotion(pcmk_resource_t *clone, pcmk_resource_t *child,
pcmk_resource_t *last)
{
// "Promote clone" -> promote instance -> "clone promoted"
pcmk__order_resource_actions(clone, PCMK_ACTION_PROMOTE,
child, PCMK_ACTION_PROMOTE,
pcmk__ar_ordered);
pcmk__order_resource_actions(child, PCMK_ACTION_PROMOTE,
clone, PCMK_ACTION_PROMOTED,
pcmk__ar_ordered);
// If clone is ordered, order this instance relative to last
if ((last != NULL) && pe__clone_is_ordered(clone)) {
pcmk__order_resource_actions(last, PCMK_ACTION_PROMOTE,
child, PCMK_ACTION_PROMOTE,
pcmk__ar_ordered);
}
}
/*!
* \internal
* \brief Add implicit demotion ordering for a promotable instance
*
* \param[in,out] clone Clone resource
* \param[in,out] child Instance of \p clone being ordered
* \param[in] last Previous instance ordered (NULL if \p child is first)
*/
static void
order_instance_demotion(pcmk_resource_t *clone, pcmk_resource_t *child,
pcmk_resource_t *last)
{
// "Demote clone" -> demote instance -> "clone demoted"
pcmk__order_resource_actions(clone, PCMK_ACTION_DEMOTE, child,
PCMK_ACTION_DEMOTE,
pcmk__ar_then_implies_first_graphed);
pcmk__order_resource_actions(child, PCMK_ACTION_DEMOTE,
clone, PCMK_ACTION_DEMOTED,
pcmk__ar_first_implies_then_graphed);
// If clone is ordered, order this instance relative to last
if ((last != NULL) && pe__clone_is_ordered(clone)) {
pcmk__order_resource_actions(child, PCMK_ACTION_DEMOTE, last,
PCMK_ACTION_DEMOTE, pcmk__ar_ordered);
}
}
/*!
* \internal
* \brief Check whether an instance will be promoted or demoted
*
* \param[in] rsc Instance to check
* \param[out] demoting If \p rsc will be demoted, this will be set to true
* \param[out] promoting If \p rsc will be promoted, this will be set to true
*/
static void
check_for_role_change(const pcmk_resource_t *rsc, bool *demoting,
bool *promoting)
{
const GList *iter = NULL;
// If this is a cloned group, check group members recursively
if (rsc->children != NULL) {
for (iter = rsc->children; iter != NULL; iter = iter->next) {
check_for_role_change((const pcmk_resource_t *) iter->data,
demoting, promoting);
}
return;
}
for (iter = rsc->actions; iter != NULL; iter = iter->next) {
const pcmk_action_t *action = (const pcmk_action_t *) iter->data;
if (*promoting && *demoting) {
return;
} else if (pcmk_is_set(action->flags, pcmk_action_optional)) {
continue;
} else if (pcmk__str_eq(PCMK_ACTION_DEMOTE, action->task,
pcmk__str_none)) {
*demoting = true;
} else if (pcmk__str_eq(PCMK_ACTION_PROMOTE, action->task,
pcmk__str_none)) {
*promoting = true;
}
}
}
/*!
* \internal
* \brief Add promoted-role location constraint scores to an instance's priority
*
* Adjust a promotable clone instance's promotion priority by the scores of any
* location constraints in a list that are both limited to the promoted role and
* for the node where the instance will be placed.
*
* \param[in,out] child Promotable clone instance
* \param[in] location_constraints List of location constraints to apply
* \param[in] chosen Node where \p child will be placed
*/
static void
apply_promoted_locations(pcmk_resource_t *child,
const GList *location_constraints,
const pcmk_node_t *chosen)
{
for (const GList *iter = location_constraints; iter; iter = iter->next) {
const pcmk__location_t *location = iter->data;
const pcmk_node_t *constraint_node = NULL;
if (location->role_filter == pcmk_role_promoted) {
constraint_node = pe_find_node_id(location->nodes,
chosen->details->id);
}
if (constraint_node != NULL) {
int new_priority = pcmk__add_scores(child->priority,
constraint_node->weight);
pcmk__rsc_trace(child,
"Applying location %s to %s promotion priority on "
"%s: %s + %s = %s",
location->id, child->id,
pcmk__node_name(constraint_node),
pcmk_readable_score(child->priority),
pcmk_readable_score(constraint_node->weight),
pcmk_readable_score(new_priority));
child->priority = new_priority;
}
}
}
/*!
* \internal
* \brief Get the node that an instance will be promoted on
*
* \param[in] rsc Promotable clone instance to check
*
* \return Node that \p rsc will be promoted on, or NULL if none
*/
static pcmk_node_t *
node_to_be_promoted_on(const pcmk_resource_t *rsc)
{
pcmk_node_t *node = NULL;
pcmk_node_t *local_node = NULL;
const pcmk_resource_t *parent = NULL;
// If this is a cloned group, bail if any group member can't be promoted
for (GList *iter = rsc->children; iter != NULL; iter = iter->next) {
pcmk_resource_t *child = (pcmk_resource_t *) iter->data;
if (node_to_be_promoted_on(child) == NULL) {
pcmk__rsc_trace(rsc,
"%s can't be promoted because member %s can't",
rsc->id, child->id);
return NULL;
}
}
node = rsc->private->fns->location(rsc, NULL, FALSE);
if (node == NULL) {
pcmk__rsc_trace(rsc, "%s can't be promoted because it won't be active",
rsc->id);
return NULL;
} else if (!pcmk_is_set(rsc->flags, pcmk_rsc_managed)) {
if (rsc->private->fns->state(rsc, TRUE) == pcmk_role_promoted) {
crm_notice("Unmanaged instance %s will be left promoted on %s",
rsc->id, pcmk__node_name(node));
} else {
pcmk__rsc_trace(rsc, "%s can't be promoted because it is unmanaged",
rsc->id);
return NULL;
}
} else if (rsc->priority < 0) {
pcmk__rsc_trace(rsc,
"%s can't be promoted because its promotion priority "
"%d is negative",
rsc->id, rsc->priority);
return NULL;
} else if (!pcmk__node_available(node, false, true)) {
pcmk__rsc_trace(rsc,
"%s can't be promoted because %s can't run resources",
rsc->id, pcmk__node_name(node));
return NULL;
}
parent = pe__const_top_resource(rsc, false);
local_node = g_hash_table_lookup(parent->allowed_nodes, node->details->id);
if (local_node == NULL) {
/* It should not be possible for the scheduler to have assigned the
* instance to a node where its parent is not allowed, but it's good to
* have a fail-safe.
*/
if (pcmk_is_set(rsc->flags, pcmk_rsc_managed)) {
pcmk__sched_err("%s can't be promoted because %s is not allowed "
"on %s (scheduler bug?)",
rsc->id, parent->id, pcmk__node_name(node));
} // else the instance is unmanaged and already promoted
return NULL;
} else if ((local_node->count >= pe__clone_promoted_node_max(parent))
&& pcmk_is_set(rsc->flags, pcmk_rsc_managed)) {
pcmk__rsc_trace(rsc,
"%s can't be promoted because %s has "
"maximum promoted instances already",
rsc->id, pcmk__node_name(node));
return NULL;
}
return local_node;
}
/*!
* \internal
* \brief Compare two promotable clone instances by promotion priority
*
* \param[in] a First instance to compare
* \param[in] b Second instance to compare
*
* \return A negative number if \p a has higher promotion priority,
* a positive number if \p b has higher promotion priority,
* or 0 if promotion priorities are equal
*/
static gint
cmp_promotable_instance(gconstpointer a, gconstpointer b)
{
const pcmk_resource_t *rsc1 = (const pcmk_resource_t *) a;
const pcmk_resource_t *rsc2 = (const pcmk_resource_t *) b;
enum rsc_role_e role1 = pcmk_role_unknown;
enum rsc_role_e role2 = pcmk_role_unknown;
CRM_ASSERT((rsc1 != NULL) && (rsc2 != NULL));
// Check sort index set by pcmk__set_instance_roles()
if (rsc1->sort_index > rsc2->sort_index) {
pcmk__rsc_trace(rsc1,
"%s has higher promotion priority than %s "
"(sort index %d > %d)",
rsc1->id, rsc2->id, rsc1->sort_index, rsc2->sort_index);
return -1;
} else if (rsc1->sort_index < rsc2->sort_index) {
pcmk__rsc_trace(rsc1,
"%s has lower promotion priority than %s "
"(sort index %d < %d)",
rsc1->id, rsc2->id, rsc1->sort_index, rsc2->sort_index);
return 1;
}
// If those are the same, prefer instance whose current role is higher
role1 = rsc1->private->fns->state(rsc1, TRUE);
role2 = rsc2->private->fns->state(rsc2, TRUE);
if (role1 > role2) {
pcmk__rsc_trace(rsc1,
"%s has higher promotion priority than %s "
"(higher current role)",
rsc1->id, rsc2->id);
return -1;
} else if (role1 < role2) {
pcmk__rsc_trace(rsc1,
"%s has lower promotion priority than %s "
"(lower current role)",
rsc1->id, rsc2->id);
return 1;
}
// Finally, do normal clone instance sorting
return pcmk__cmp_instance(a, b);
}
/*!
* \internal
* \brief Add a promotable clone instance's sort index to its node's score
*
* Add a promotable clone instance's sort index (which sums its promotion
* preferences and scores of relevant location constraints for the promoted
* role) to the node score of the instance's assigned node.
*
* \param[in] data Promotable clone instance
* \param[in,out] user_data Clone parent of \p data
*/
static void
add_sort_index_to_node_score(gpointer data, gpointer user_data)
{
const pcmk_resource_t *child = (const pcmk_resource_t *) data;
pcmk_resource_t *clone = (pcmk_resource_t *) user_data;
pcmk_node_t *node = NULL;
const pcmk_node_t *chosen = NULL;
if (child->sort_index < 0) {
pcmk__rsc_trace(clone, "Not adding sort index of %s: negative",
child->id);
return;
}
chosen = child->private->fns->location(child, NULL, FALSE);
if (chosen == NULL) {
pcmk__rsc_trace(clone, "Not adding sort index of %s: inactive",
child->id);
return;
}
node = g_hash_table_lookup(clone->allowed_nodes, chosen->details->id);
CRM_ASSERT(node != NULL);
node->weight = pcmk__add_scores(child->sort_index, node->weight);
pcmk__rsc_trace(clone,
"Added cumulative priority of %s (%s) to score on %s "
"(now %s)",
child->id, pcmk_readable_score(child->sort_index),
pcmk__node_name(node), pcmk_readable_score(node->weight));
}
/*!
* \internal
* \brief Apply colocation to dependent's node scores if for promoted role
*
* \param[in,out] data Colocation constraint to apply
* \param[in,out] user_data Promotable clone that is constraint's dependent
*/
static void
apply_coloc_to_dependent(gpointer data, gpointer user_data)
{
pcmk__colocation_t *colocation = data;
pcmk_resource_t *clone = user_data;
pcmk_resource_t *primary = colocation->primary;
uint32_t flags = pcmk__coloc_select_default;
float factor = colocation->score / (float) PCMK_SCORE_INFINITY;
if (colocation->dependent_role != pcmk_role_promoted) {
return;
}
if (colocation->score < PCMK_SCORE_INFINITY) {
flags = pcmk__coloc_select_active;
}
pcmk__rsc_trace(clone, "Applying colocation %s (promoted %s with %s) @%s",
colocation->id, colocation->dependent->id,
colocation->primary->id,
pcmk_readable_score(colocation->score));
primary->private->cmds->add_colocated_node_scores(primary, clone, clone->id,
&clone->allowed_nodes,
colocation, factor,
flags);
}
/*!
* \internal
* \brief Apply colocation to primary's node scores if for promoted role
*
* \param[in,out] data Colocation constraint to apply
* \param[in,out] user_data Promotable clone that is constraint's primary
*/
static void
apply_coloc_to_primary(gpointer data, gpointer user_data)
{
pcmk__colocation_t *colocation = data;
pcmk_resource_t *clone = user_data;
pcmk_resource_t *dependent = colocation->dependent;
const float factor = colocation->score / (float) PCMK_SCORE_INFINITY;
const uint32_t flags = pcmk__coloc_select_active
|pcmk__coloc_select_nonnegative;
if ((colocation->primary_role != pcmk_role_promoted)
|| !pcmk__colocation_has_influence(colocation, NULL)) {
return;
}
pcmk__rsc_trace(clone, "Applying colocation %s (%s with promoted %s) @%s",
colocation->id, colocation->dependent->id,
colocation->primary->id,
pcmk_readable_score(colocation->score));
dependent->private->cmds->add_colocated_node_scores(dependent, clone,
clone->id,
&clone->allowed_nodes,
colocation, factor,
flags);
}
/*!
* \internal
* \brief Set clone instance's sort index to its node's score
*
* \param[in,out] data Promotable clone instance
* \param[in] user_data Parent clone of \p data
*/
static void
set_sort_index_to_node_score(gpointer data, gpointer user_data)
{
pcmk_resource_t *child = (pcmk_resource_t *) data;
const pcmk_resource_t *clone = (const pcmk_resource_t *) user_data;
pcmk_node_t *chosen = child->private->fns->location(child, NULL, FALSE);
if (!pcmk_is_set(child->flags, pcmk_rsc_managed)
&& (child->next_role == pcmk_role_promoted)) {
child->sort_index = PCMK_SCORE_INFINITY;
pcmk__rsc_trace(clone,
"Final sort index for %s is INFINITY "
"(unmanaged promoted)",
child->id);
} else if ((chosen == NULL) || (child->sort_index < 0)) {
pcmk__rsc_trace(clone,
"Final sort index for %s is %d (ignoring node score)",
child->id, child->sort_index);
} else {
const pcmk_node_t *node = g_hash_table_lookup(clone->allowed_nodes,
chosen->details->id);
CRM_ASSERT(node != NULL);
child->sort_index = node->weight;
pcmk__rsc_trace(clone,
"Adding scores for %s: final sort index for %s is %d",
clone->id, child->id, child->sort_index);
}
}
/*!
* \internal
* \brief Sort a promotable clone's instances by descending promotion priority
*
* \param[in,out] clone Promotable clone to sort
*/
static void
sort_promotable_instances(pcmk_resource_t *clone)
{
GList *colocations = NULL;
if (pe__set_clone_flag(clone, pcmk__clone_promotion_constrained)
== pcmk_rc_already) {
return;
}
pcmk__set_rsc_flags(clone, pcmk_rsc_updating_nodes);
for (GList *iter = clone->children; iter != NULL; iter = iter->next) {
pcmk_resource_t *child = (pcmk_resource_t *) iter->data;
pcmk__rsc_trace(clone,
"Adding scores for %s: initial sort index for %s is %d",
clone->id, child->id, child->sort_index);
}
pe__show_node_scores(true, clone, "Before", clone->allowed_nodes,
clone->cluster);
g_list_foreach(clone->children, add_sort_index_to_node_score, clone);
colocations = pcmk__this_with_colocations(clone);
g_list_foreach(colocations, apply_coloc_to_dependent, clone);
g_list_free(colocations);
colocations = pcmk__with_this_colocations(clone);
g_list_foreach(colocations, apply_coloc_to_primary, clone);
g_list_free(colocations);
// Ban resource from all nodes if it needs a ticket but doesn't have it
pcmk__require_promotion_tickets(clone);
pe__show_node_scores(true, clone, "After", clone->allowed_nodes,
clone->cluster);
// Reset sort indexes to final node scores
g_list_foreach(clone->children, set_sort_index_to_node_score, clone);
// Finally, sort instances in descending order of promotion priority
clone->children = g_list_sort(clone->children, cmp_promotable_instance);
pcmk__clear_rsc_flags(clone, pcmk_rsc_updating_nodes);
}
/*!
* \internal
* \brief Find the active instance (if any) of an anonymous clone on a node
*
* \param[in] clone Anonymous clone to check
* \param[in] id Instance ID (without instance number) to check
* \param[in] node Node to check
*
* \return
*/
static pcmk_resource_t *
find_active_anon_instance(const pcmk_resource_t *clone, const char *id,
const pcmk_node_t *node)
{
for (GList *iter = clone->children; iter; iter = iter->next) {
pcmk_resource_t *child = iter->data;
pcmk_resource_t *active = NULL;
// Use ->find_rsc() in case this is a cloned group
active = clone->private->fns->find_rsc(child, id, node,
pcmk_rsc_match_clone_only
|pcmk_rsc_match_current_node);
if (active != NULL) {
return active;
}
}
return NULL;
}
/*
* \brief Check whether an anonymous clone instance is known on a node
*
* \param[in] clone Anonymous clone to check
* \param[in] id Instance ID (without instance number) to check
* \param[in] node Node to check
*
* \return true if \p id instance of \p clone is known on \p node,
* otherwise false
*/
static bool
anonymous_known_on(const pcmk_resource_t *clone, const char *id,
const pcmk_node_t *node)
{
for (GList *iter = clone->children; iter; iter = iter->next) {
pcmk_resource_t *child = iter->data;
/* Use ->find_rsc() because this might be a cloned group, and knowing
* that other members of the group are known here implies nothing.
*/
child = clone->private->fns->find_rsc(child, id, NULL,
pcmk_rsc_match_clone_only);
CRM_LOG_ASSERT(child != NULL);
if (child != NULL) {
if (g_hash_table_lookup(child->known_on, node->details->id)) {
return true;
}
}
}
return false;
}
/*!
* \internal
* \brief Check whether a node is allowed to run a resource
*
* \param[in] rsc Resource to check
* \param[in] node Node to check
*
* \return true if \p node is allowed to run \p rsc, otherwise false
*/
static bool
is_allowed(const pcmk_resource_t *rsc, const pcmk_node_t *node)
{
pcmk_node_t *allowed = g_hash_table_lookup(rsc->allowed_nodes,
node->details->id);
return (allowed != NULL) && (allowed->weight >= 0);
}
/*!
* \brief Check whether a clone instance's promotion score should be considered
*
* \param[in] rsc Promotable clone instance to check
* \param[in] node Node where score would be applied
*
* \return true if \p rsc's promotion score should be considered on \p node,
* otherwise false
*/
static bool
promotion_score_applies(const pcmk_resource_t *rsc, const pcmk_node_t *node)
{
char *id = clone_strip(rsc->id);
const pcmk_resource_t *parent = pe__const_top_resource(rsc, false);
pcmk_resource_t *active = NULL;
const char *reason = "allowed";
// Some checks apply only to anonymous clone instances
if (!pcmk_is_set(rsc->flags, pcmk_rsc_unique)) {
// If instance is active on the node, its score definitely applies
active = find_active_anon_instance(parent, id, node);
if (active == rsc) {
reason = "active";
goto check_allowed;
}
/* If *no* instance is active on this node, this instance's score will
* count if it has been probed on this node.
*/
if ((active == NULL) && anonymous_known_on(parent, id, node)) {
reason = "probed";
goto check_allowed;
}
}
/* If this clone's status is unknown on *all* nodes (e.g. cluster startup),
* take all instances' scores into account, to make sure we use any
* permanent promotion scores.
*/
if ((rsc->running_on == NULL) && (g_hash_table_size(rsc->known_on) == 0)) {
reason = "none probed";
goto check_allowed;
}
/* Otherwise, we've probed and/or started the resource *somewhere*, so
* consider promotion scores on nodes where we know the status.
*/
if ((g_hash_table_lookup(rsc->known_on, node->details->id) != NULL)
|| (pe_find_node_id(rsc->running_on, node->details->id) != NULL)) {
reason = "known";
} else {
pcmk__rsc_trace(rsc,
"Ignoring %s promotion score (for %s) on %s: "
"not probed",
rsc->id, id, pcmk__node_name(node));
free(id);
return false;
}
check_allowed:
if (is_allowed(rsc, node)) {
pcmk__rsc_trace(rsc, "Counting %s promotion score (for %s) on %s: %s",
rsc->id, id, pcmk__node_name(node), reason);
free(id);
return true;
}
pcmk__rsc_trace(rsc,
"Ignoring %s promotion score (for %s) on %s: not allowed",
rsc->id, id, pcmk__node_name(node));
free(id);
return false;
}
/*!
* \internal
* \brief Get the value of a promotion score node attribute
*
* \param[in] rsc Promotable clone instance to get promotion score for
* \param[in] node Node to get promotion score for
* \param[in] name Resource name to use in promotion score attribute name
*
* \return Value of promotion score node attribute for \p rsc on \p node
*/
static const char *
promotion_attr_value(const pcmk_resource_t *rsc, const pcmk_node_t *node,
const char *name)
{
char *attr_name = NULL;
const char *attr_value = NULL;
const char *target = NULL;
enum pcmk__rsc_node node_type = pcmk__rsc_node_assigned;
if (pcmk_is_set(rsc->flags, pcmk_rsc_unassigned)) {
// Not assigned yet
node_type = pcmk__rsc_node_current;
}
target = g_hash_table_lookup(rsc->meta,
PCMK_META_CONTAINER_ATTRIBUTE_TARGET);
attr_name = pcmk_promotion_score_name(name);
attr_value = pcmk__node_attr(node, attr_name, target, node_type);
free(attr_name);
return attr_value;
}
/*!
* \internal
* \brief Get the promotion score for a clone instance on a node
*
* \param[in] rsc Promotable clone instance to get score for
* \param[in] node Node to get score for
* \param[out] is_default If non-NULL, will be set true if no score available
*
* \return Promotion score for \p rsc on \p node (or 0 if none)
*/
static int
promotion_score(const pcmk_resource_t *rsc, const pcmk_node_t *node,
bool *is_default)
{
- char *name = NULL;
+ const char *name = NULL;
const char *attr_value = NULL;
if (is_default != NULL) {
*is_default = true;
}
CRM_CHECK((rsc != NULL) && (node != NULL), return 0);
/* If this is an instance of a cloned group, the promotion score is the sum
* of all members' promotion scores.
*/
if (rsc->children != NULL) {
int score = 0;
for (const GList *iter = rsc->children;
iter != NULL; iter = iter->next) {
const pcmk_resource_t *child = (const pcmk_resource_t *) iter->data;
bool child_default = false;
int child_score = promotion_score(child, node, &child_default);
if (!child_default && (is_default != NULL)) {
*is_default = false;
}
score += child_score;
}
return score;
}
if (!promotion_score_applies(rsc, node)) {
return 0;
}
/* For the promotion score attribute name, use the name the resource is
* known as in resource history, since that's what crm_attribute --promotion
* would have used.
*/
- name = (rsc->clone_name == NULL)? rsc->id : rsc->clone_name;
+ name = pcmk__s(rsc->private->history_id, rsc->id);
attr_value = promotion_attr_value(rsc, node, name);
if (attr_value != NULL) {
pcmk__rsc_trace(rsc, "Promotion score for %s on %s = %s",
name, pcmk__node_name(node),
pcmk__s(attr_value, "(unset)"));
} else if (!pcmk_is_set(rsc->flags, pcmk_rsc_unique)) {
- /* If we don't have any resource history yet, we won't have clone_name.
+ /* If we don't have any resource history yet, we won't have history_id.
* In that case, for anonymous clones, try the resource name without
* any instance number.
*/
- name = clone_strip(rsc->id);
- if (strcmp(rsc->id, name) != 0) {
- attr_value = promotion_attr_value(rsc, node, name);
+ char *rsc_name = clone_strip(rsc->id);
+
+ if (strcmp(rsc->id, rsc_name) != 0) {
+ attr_value = promotion_attr_value(rsc, node, rsc_name);
pcmk__rsc_trace(rsc, "Promotion score for %s on %s (for %s) = %s",
- name, pcmk__node_name(node), rsc->id,
+ rsc_name, pcmk__node_name(node), rsc->id,
pcmk__s(attr_value, "(unset)"));
}
- free(name);
+ free(rsc_name);
}
if (attr_value == NULL) {
return 0;
}
if (is_default != NULL) {
*is_default = false;
}
return char2score(attr_value);
}
/*!
* \internal
* \brief Include promotion scores in instances' node scores and priorities
*
* \param[in,out] rsc Promotable clone resource to update
*/
void
pcmk__add_promotion_scores(pcmk_resource_t *rsc)
{
if (pe__set_clone_flag(rsc,
pcmk__clone_promotion_added) == pcmk_rc_already) {
return;
}
for (GList *iter = rsc->children; iter != NULL; iter = iter->next) {
pcmk_resource_t *child_rsc = (pcmk_resource_t *) iter->data;
GHashTableIter iter;
pcmk_node_t *node = NULL;
int score, new_score;
g_hash_table_iter_init(&iter, child_rsc->allowed_nodes);
while (g_hash_table_iter_next(&iter, NULL, (void **) &node)) {
if (!pcmk__node_available(node, false, false)) {
/* This node will never be promoted, so don't apply the
* promotion score, as that may lead to clone shuffling.
*/
continue;
}
score = promotion_score(child_rsc, node, NULL);
if (score > 0) {
new_score = pcmk__add_scores(node->weight, score);
if (new_score != node->weight) { // Could remain INFINITY
node->weight = new_score;
pcmk__rsc_trace(rsc,
"Added %s promotion priority (%s) to score "
"on %s (now %s)",
child_rsc->id, pcmk_readable_score(score),
pcmk__node_name(node),
pcmk_readable_score(new_score));
}
}
if (score > child_rsc->priority) {
pcmk__rsc_trace(rsc,
"Updating %s priority to promotion score "
"(%d->%d)",
child_rsc->id, child_rsc->priority, score);
child_rsc->priority = score;
}
}
}
}
/*!
* \internal
* \brief If a resource's current role is started, change it to unpromoted
*
* \param[in,out] data Resource to update
* \param[in] user_data Ignored
*/
static void
set_current_role_unpromoted(void *data, void *user_data)
{
pcmk_resource_t *rsc = (pcmk_resource_t *) data;
if (rsc->role == pcmk_role_started) {
// Promotable clones should use unpromoted role instead of started
rsc->role = pcmk_role_unpromoted;
}
g_list_foreach(rsc->children, set_current_role_unpromoted, NULL);
}
/*!
* \internal
* \brief Set a resource's next role to unpromoted (or stopped if unassigned)
*
* \param[in,out] data Resource to update
* \param[in] user_data Ignored
*/
static void
set_next_role_unpromoted(void *data, void *user_data)
{
pcmk_resource_t *rsc = (pcmk_resource_t *) data;
GList *assigned = NULL;
rsc->private->fns->location(rsc, &assigned, FALSE);
if (assigned == NULL) {
pe__set_next_role(rsc, pcmk_role_stopped, "stopped instance");
} else {
pe__set_next_role(rsc, pcmk_role_unpromoted, "unpromoted instance");
g_list_free(assigned);
}
g_list_foreach(rsc->children, set_next_role_unpromoted, NULL);
}
/*!
* \internal
* \brief Set a resource's next role to promoted if not already set
*
* \param[in,out] data Resource to update
* \param[in] user_data Ignored
*/
static void
set_next_role_promoted(void *data, gpointer user_data)
{
pcmk_resource_t *rsc = (pcmk_resource_t *) data;
if (rsc->next_role == pcmk_role_unknown) {
pe__set_next_role(rsc, pcmk_role_promoted, "promoted instance");
}
g_list_foreach(rsc->children, set_next_role_promoted, NULL);
}
/*!
* \internal
* \brief Show instance's promotion score on node where it will be active
*
* \param[in,out] instance Promotable clone instance to show
*/
static void
show_promotion_score(pcmk_resource_t *instance)
{
pcmk_node_t *chosen = instance->private->fns->location(instance, NULL,
FALSE);
if (pcmk_is_set(instance->cluster->flags, pcmk_sched_output_scores)
&& !pcmk__is_daemon && (instance->cluster->priv != NULL)) {
pcmk__output_t *out = instance->cluster->priv;
out->message(out, "promotion-score", instance, chosen,
pcmk_readable_score(instance->sort_index));
} else {
pcmk__rsc_debug(pe__const_top_resource(instance, false),
"%s promotion score on %s: sort=%s priority=%s",
instance->id,
((chosen == NULL)? "none" : pcmk__node_name(chosen)),
pcmk_readable_score(instance->sort_index),
pcmk_readable_score(instance->priority));
}
}
/*!
* \internal
* \brief Set a clone instance's promotion priority
*
* \param[in,out] data Promotable clone instance to update
* \param[in] user_data Instance's parent clone
*/
static void
set_instance_priority(gpointer data, gpointer user_data)
{
pcmk_resource_t *instance = (pcmk_resource_t *) data;
const pcmk_resource_t *clone = (const pcmk_resource_t *) user_data;
const pcmk_node_t *chosen = NULL;
enum rsc_role_e next_role = pcmk_role_unknown;
GList *list = NULL;
pcmk__rsc_trace(clone, "Assigning priority for %s: %s", instance->id,
pcmk_role_text(instance->next_role));
if (instance->private->fns->state(instance, TRUE) == pcmk_role_started) {
set_current_role_unpromoted(instance, NULL);
}
// Only an instance that will be active can be promoted
chosen = instance->private->fns->location(instance, &list, FALSE);
if (pcmk__list_of_multiple(list)) {
pcmk__config_err("Cannot promote non-colocated child %s",
instance->id);
}
g_list_free(list);
if (chosen == NULL) {
return;
}
next_role = instance->private->fns->state(instance, FALSE);
switch (next_role) {
case pcmk_role_started:
case pcmk_role_unknown:
// Set instance priority to its promotion score (or -1 if none)
{
bool is_default = false;
instance->priority = promotion_score(instance, chosen,
&is_default);
if (is_default) {
/* Default to -1 if no value is set. This allows instances
* eligible for promotion to be specified based solely on
* PCMK_XE_RSC_LOCATION constraints, but prevents any
* instance from being promoted if neither a constraint nor
* a promotion score is present.
*/
instance->priority = -1;
}
}
break;
case pcmk_role_unpromoted:
case pcmk_role_stopped:
// Instance can't be promoted
instance->priority = -PCMK_SCORE_INFINITY;
break;
case pcmk_role_promoted:
// Nothing needed (re-creating actions after scheduling fencing)
break;
default:
CRM_CHECK(FALSE, crm_err("Unknown resource role %d for %s",
next_role, instance->id));
}
// Add relevant location constraint scores for promoted role
apply_promoted_locations(instance, instance->rsc_location, chosen);
apply_promoted_locations(instance, clone->rsc_location, chosen);
// Consider instance's role-based colocations with other resources
list = pcmk__this_with_colocations(instance);
for (GList *iter = list; iter != NULL; iter = iter->next) {
pcmk__colocation_t *cons = (pcmk__colocation_t *) iter->data;
instance->private->cmds->apply_coloc_score(instance, cons->primary,
cons, true);
}
g_list_free(list);
instance->sort_index = instance->priority;
if (next_role == pcmk_role_promoted) {
instance->sort_index = PCMK_SCORE_INFINITY;
}
pcmk__rsc_trace(clone, "Assigning %s priority = %d",
instance->id, instance->priority);
}
/*!
* \internal
* \brief Set a promotable clone instance's role
*
* \param[in,out] data Promotable clone instance to update
* \param[in,out] user_data Pointer to count of instances chosen for promotion
*/
static void
set_instance_role(gpointer data, gpointer user_data)
{
pcmk_resource_t *instance = (pcmk_resource_t *) data;
int *count = (int *) user_data;
const pcmk_resource_t *clone = pe__const_top_resource(instance, false);
pcmk_node_t *chosen = NULL;
show_promotion_score(instance);
if (instance->sort_index < 0) {
pcmk__rsc_trace(clone, "Not supposed to promote instance %s",
instance->id);
} else if ((*count < pe__clone_promoted_max(instance))
|| !pcmk_is_set(clone->flags, pcmk_rsc_managed)) {
chosen = node_to_be_promoted_on(instance);
}
if (chosen == NULL) {
set_next_role_unpromoted(instance, NULL);
return;
}
if ((instance->role < pcmk_role_promoted)
&& !pcmk_is_set(instance->cluster->flags, pcmk_sched_quorate)
&& (instance->cluster->no_quorum_policy == pcmk_no_quorum_freeze)) {
crm_notice("Clone instance %s cannot be promoted without quorum",
instance->id);
set_next_role_unpromoted(instance, NULL);
return;
}
chosen->count++;
pcmk__rsc_info(clone, "Choosing %s (%s) on %s for promotion",
instance->id, pcmk_role_text(instance->role),
pcmk__node_name(chosen));
set_next_role_promoted(instance, NULL);
(*count)++;
}
/*!
* \internal
* \brief Set roles for all instances of a promotable clone
*
* \param[in,out] rsc Promotable clone resource to update
*/
void
pcmk__set_instance_roles(pcmk_resource_t *rsc)
{
int promoted = 0;
GHashTableIter iter;
pcmk_node_t *node = NULL;
// Repurpose count to track the number of promoted instances assigned
g_hash_table_iter_init(&iter, rsc->allowed_nodes);
while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) {
node->count = 0;
}
// Set instances' promotion priorities and sort by highest priority first
g_list_foreach(rsc->children, set_instance_priority, rsc);
sort_promotable_instances(rsc);
// Choose the first N eligible instances to be promoted
g_list_foreach(rsc->children, set_instance_role, &promoted);
pcmk__rsc_info(rsc, "%s: Promoted %d instances of a possible %d",
rsc->id, promoted, pe__clone_promoted_max(rsc));
}
/*!
*
* \internal
* \brief Create actions for promotable clone instances
*
* \param[in,out] clone Promotable clone to create actions for
* \param[out] any_promoting Will be set true if any instance is promoting
* \param[out] any_demoting Will be set true if any instance is demoting
*/
static void
create_promotable_instance_actions(pcmk_resource_t *clone,
bool *any_promoting, bool *any_demoting)
{
for (GList *iter = clone->children; iter != NULL; iter = iter->next) {
pcmk_resource_t *instance = (pcmk_resource_t *) iter->data;
instance->private->cmds->create_actions(instance);
check_for_role_change(instance, any_demoting, any_promoting);
}
}
/*!
* \internal
* \brief Reset each promotable instance's resource priority
*
* Reset the priority of each instance of a promotable clone to the clone's
* priority (after promotion actions are scheduled, when instance priorities
* were repurposed as promotion scores).
*
* \param[in,out] clone Promotable clone to reset
*/
static void
reset_instance_priorities(pcmk_resource_t *clone)
{
for (GList *iter = clone->children; iter != NULL; iter = iter->next) {
pcmk_resource_t *instance = (pcmk_resource_t *) iter->data;
instance->priority = clone->priority;
}
}
/*!
* \internal
* \brief Create actions specific to promotable clones
*
* \param[in,out] clone Promotable clone to create actions for
*/
void
pcmk__create_promotable_actions(pcmk_resource_t *clone)
{
bool any_promoting = false;
bool any_demoting = false;
// Create actions for each clone instance individually
create_promotable_instance_actions(clone, &any_promoting, &any_demoting);
// Create pseudo-actions for clone as a whole
pe__create_promotable_pseudo_ops(clone, any_promoting, any_demoting);
// Undo our temporary repurposing of resource priority for instances
reset_instance_priorities(clone);
}
/*!
* \internal
* \brief Create internal orderings for a promotable clone's instances
*
* \param[in,out] clone Promotable clone instance to order
*/
void
pcmk__order_promotable_instances(pcmk_resource_t *clone)
{
pcmk_resource_t *previous = NULL; // Needed for ordered clones
pcmk__promotable_restart_ordering(clone);
for (GList *iter = clone->children; iter != NULL; iter = iter->next) {
pcmk_resource_t *instance = (pcmk_resource_t *) iter->data;
// Demote before promote
pcmk__order_resource_actions(instance, PCMK_ACTION_DEMOTE,
instance, PCMK_ACTION_PROMOTE,
pcmk__ar_ordered);
order_instance_promotion(clone, instance, previous);
order_instance_demotion(clone, instance, previous);
previous = instance;
}
}
/*!
* \internal
* \brief Update dependent's allowed nodes for colocation with promotable
*
* \param[in,out] dependent Dependent resource to update
* \param[in] primary Primary resource
* \param[in] primary_node Node where an instance of the primary will be
* \param[in] colocation Colocation constraint to apply
*/
static void
update_dependent_allowed_nodes(pcmk_resource_t *dependent,
const pcmk_resource_t *primary,
const pcmk_node_t *primary_node,
const pcmk__colocation_t *colocation)
{
GHashTableIter iter;
pcmk_node_t *node = NULL;
const char *primary_value = NULL;
const char *attr = colocation->node_attribute;
if (colocation->score >= PCMK_SCORE_INFINITY) {
return; // Colocation is mandatory, so allowed node scores don't matter
}
primary_value = pcmk__colocation_node_attr(primary_node, attr, primary);
pcmk__rsc_trace(colocation->primary,
"Applying %s (%s with %s on %s by %s @%d) to %s",
colocation->id, colocation->dependent->id,
colocation->primary->id, pcmk__node_name(primary_node),
attr, colocation->score, dependent->id);
g_hash_table_iter_init(&iter, dependent->allowed_nodes);
while (g_hash_table_iter_next(&iter, NULL, (void **) &node)) {
const char *dependent_value = pcmk__colocation_node_attr(node, attr,
dependent);
if (pcmk__str_eq(primary_value, dependent_value, pcmk__str_casei)) {
node->weight = pcmk__add_scores(node->weight, colocation->score);
pcmk__rsc_trace(colocation->primary,
"Added %s score (%s) to %s (now %s)",
colocation->id,
pcmk_readable_score(colocation->score),
pcmk__node_name(node),
pcmk_readable_score(node->weight));
}
}
}
/*!
* \brief Update dependent for a colocation with a promotable clone
*
* \param[in] primary Primary resource in the colocation
* \param[in,out] dependent Dependent resource in the colocation
* \param[in] colocation Colocation constraint to apply
*/
void
pcmk__update_dependent_with_promotable(const pcmk_resource_t *primary,
pcmk_resource_t *dependent,
const pcmk__colocation_t *colocation)
{
GList *affected_nodes = NULL;
/* Build a list of all nodes where an instance of the primary will be, and
* (for optional colocations) update the dependent's allowed node scores for
* each one.
*/
for (GList *iter = primary->children; iter != NULL; iter = iter->next) {
pcmk_resource_t *instance = (pcmk_resource_t *) iter->data;
pcmk_node_t *node = instance->private->fns->location(instance, NULL,
FALSE);
if (node == NULL) {
continue;
}
if (instance->private->fns->state(instance,
FALSE) == colocation->primary_role) {
update_dependent_allowed_nodes(dependent, primary, node,
colocation);
affected_nodes = g_list_prepend(affected_nodes, node);
}
}
/* For mandatory colocations, add the primary's node score to the
* dependent's node score for each affected node, and ban the dependent
* from all other nodes.
*
* However, skip this for promoted-with-promoted colocations, otherwise
* inactive dependent instances can't start (in the unpromoted role).
*/
if ((colocation->score >= PCMK_SCORE_INFINITY)
&& ((colocation->dependent_role != pcmk_role_promoted)
|| (colocation->primary_role != pcmk_role_promoted))) {
pcmk__rsc_trace(colocation->primary,
"Applying %s (mandatory %s with %s) to %s",
colocation->id, colocation->dependent->id,
colocation->primary->id, dependent->id);
pcmk__colocation_intersect_nodes(dependent, primary, colocation,
affected_nodes, true);
}
g_list_free(affected_nodes);
}
/*!
* \internal
* \brief Update dependent priority for colocation with promotable
*
* \param[in] primary Primary resource in the colocation
* \param[in,out] dependent Dependent resource in the colocation
* \param[in] colocation Colocation constraint to apply
*/
void
pcmk__update_promotable_dependent_priority(const pcmk_resource_t *primary,
pcmk_resource_t *dependent,
const pcmk__colocation_t *colocation)
{
pcmk_resource_t *primary_instance = NULL;
// Look for a primary instance where dependent will be
primary_instance = pcmk__find_compatible_instance(dependent, primary,
colocation->primary_role,
false);
if (primary_instance != NULL) {
// Add primary instance's priority to dependent's
int new_priority = pcmk__add_scores(dependent->priority,
colocation->score);
pcmk__rsc_trace(colocation->primary,
"Applying %s (%s with %s) to %s priority "
"(%s + %s = %s)",
colocation->id, colocation->dependent->id,
colocation->primary->id, dependent->id,
pcmk_readable_score(dependent->priority),
pcmk_readable_score(colocation->score),
pcmk_readable_score(new_priority));
dependent->priority = new_priority;
} else if (colocation->score >= PCMK_SCORE_INFINITY) {
// Mandatory colocation, but primary won't be here
pcmk__rsc_trace(colocation->primary,
"Applying %s (%s with %s) to %s: can't be promoted",
colocation->id, colocation->dependent->id,
colocation->primary->id, dependent->id);
dependent->priority = -PCMK_SCORE_INFINITY;
}
}
diff --git a/lib/pacemaker/pcmk_sched_resource.c b/lib/pacemaker/pcmk_sched_resource.c
index fca7b62c78..642c5bf970 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 *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 ((strcmp(rsc->id, id) == 0)
- || ((rsc->clone_name != NULL) && (strcmp(rsc->clone_name, id) == 0))) {
+ 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_simulate.c b/lib/pacemaker/pcmk_simulate.c
index ebbcea9bf5..28325d3bca 100644
--- a/lib/pacemaker/pcmk_simulate.c
+++ b/lib/pacemaker/pcmk_simulate.c
@@ -1,1013 +1,1013 @@
/*
* Copyright 2021-2024 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/cib/internal.h>
#include <crm/common/output.h>
#include <crm/common/results.h>
#include <crm/common/scheduler.h>
#include <pacemaker-internal.h>
#include <pacemaker.h>
#include <stdint.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "libpacemaker_private.h"
static pcmk__output_t *out = NULL;
static cib_t *fake_cib = NULL;
static GList *fake_resource_list = NULL;
static const GList *fake_op_fail_list = NULL;
static void set_effective_date(pcmk_scheduler_t *scheduler, bool print_original,
const char *use_date);
/*!
* \internal
* \brief Create an action name for use in a dot graph
*
* \param[in] action Action to create name for
* \param[in] verbose If true, add action ID to name
*
* \return Newly allocated string with action name
* \note It is the caller's responsibility to free the result.
*/
static char *
create_action_name(const pcmk_action_t *action, bool verbose)
{
char *action_name = NULL;
const char *prefix = "";
const char *action_host = NULL;
- const char *clone_name = NULL;
+ const char *history_id = NULL;
const char *task = action->task;
if (action->node != NULL) {
action_host = action->node->details->uname;
} else if (!pcmk_is_set(action->flags, pcmk_action_pseudo)) {
action_host = "<none>";
}
if (pcmk__str_eq(action->task, PCMK_ACTION_CANCEL, pcmk__str_none)) {
prefix = "Cancel ";
task = action->cancel_task;
}
if (action->rsc != NULL) {
- clone_name = action->rsc->clone_name;
+ history_id = action->rsc->private->history_id;
}
- if (clone_name != NULL) {
+ if (history_id != NULL) {
char *key = NULL;
guint interval_ms = 0;
if (pcmk__guint_from_hash(action->meta, PCMK_META_INTERVAL, 0,
&interval_ms) != pcmk_rc_ok) {
interval_ms = 0;
}
if (pcmk__strcase_any_of(action->task, PCMK_ACTION_NOTIFY,
PCMK_ACTION_NOTIFIED, NULL)) {
const char *n_type = g_hash_table_lookup(action->meta,
"notify_key_type");
const char *n_task = g_hash_table_lookup(action->meta,
"notify_key_operation");
CRM_ASSERT(n_type != NULL);
CRM_ASSERT(n_task != NULL);
- key = pcmk__notify_key(clone_name, n_type, n_task);
+ key = pcmk__notify_key(history_id, n_type, n_task);
} else {
- key = pcmk__op_key(clone_name, task, interval_ms);
+ key = pcmk__op_key(history_id, task, interval_ms);
}
if (action_host != NULL) {
action_name = crm_strdup_printf("%s%s %s",
prefix, key, action_host);
} else {
action_name = crm_strdup_printf("%s%s", prefix, key);
}
free(key);
} else if (pcmk__str_eq(action->task, PCMK_ACTION_STONITH,
pcmk__str_none)) {
const char *op = g_hash_table_lookup(action->meta,
PCMK__META_STONITH_ACTION);
action_name = crm_strdup_printf("%s%s '%s' %s",
prefix, action->task, op, action_host);
} else if (action->rsc && action_host) {
action_name = crm_strdup_printf("%s%s %s",
prefix, action->uuid, action_host);
} else if (action_host) {
action_name = crm_strdup_printf("%s%s %s",
prefix, action->task, action_host);
} else {
action_name = crm_strdup_printf("%s", action->uuid);
}
if (verbose) {
char *with_id = crm_strdup_printf("%s (%d)", action_name, action->id);
free(action_name);
action_name = with_id;
}
return action_name;
}
/*!
* \internal
* \brief Display the status of a cluster
*
* \param[in,out] scheduler Scheduler data
* \param[in] show_opts How to modify display (as pcmk_show_opt_e flags)
* \param[in] section_opts Sections to display (as pcmk_section_e flags)
* \param[in] title What to use as list title
* \param[in] print_spacer Whether to display a spacer first
*/
static void
print_cluster_status(pcmk_scheduler_t *scheduler, uint32_t show_opts,
uint32_t section_opts, const char *title,
bool print_spacer)
{
pcmk__output_t *out = scheduler->priv;
GList *all = NULL;
crm_exit_t stonith_rc = 0;
enum pcmk_pacemakerd_state state = pcmk_pacemakerd_state_invalid;
section_opts |= pcmk_section_nodes | pcmk_section_resources;
show_opts |= pcmk_show_inactive_rscs | pcmk_show_failed_detail;
all = g_list_prepend(all, (gpointer) "*");
PCMK__OUTPUT_SPACER_IF(out, print_spacer);
out->begin_list(out, NULL, NULL, "%s", title);
out->message(out, "cluster-status",
scheduler, state, stonith_rc, NULL,
pcmk__fence_history_none, section_opts, show_opts, NULL,
all, all);
out->end_list(out);
g_list_free(all);
}
/*!
* \internal
* \brief Display a summary of all actions scheduled in a transition
*
* \param[in,out] scheduler Scheduler data (fully scheduled)
* \param[in] print_spacer Whether to display a spacer first
*/
static void
print_transition_summary(pcmk_scheduler_t *scheduler, bool print_spacer)
{
pcmk__output_t *out = scheduler->priv;
PCMK__OUTPUT_SPACER_IF(out, print_spacer);
out->begin_list(out, NULL, NULL, "Transition Summary");
pcmk__output_actions(scheduler);
out->end_list(out);
}
/*!
* \internal
* \brief Reset scheduler input, output, date, and flags
*
* \param[in,out] scheduler Scheduler data
* \param[in] input What to set as cluster input
* \param[in] out What to set as cluster output object
* \param[in] use_date What to set as cluster's current timestamp
* \param[in] flags Group of enum pcmk_scheduler_flags to set
*/
static void
reset(pcmk_scheduler_t *scheduler, xmlNodePtr input, pcmk__output_t *out,
const char *use_date, unsigned int flags)
{
scheduler->input = input;
scheduler->priv = out;
set_effective_date(scheduler, true, use_date);
if (pcmk_is_set(flags, pcmk_sim_sanitized)) {
pcmk__set_scheduler_flags(scheduler, pcmk_sched_sanitized);
}
if (pcmk_is_set(flags, pcmk_sim_show_scores)) {
pcmk__set_scheduler_flags(scheduler, pcmk_sched_output_scores);
}
if (pcmk_is_set(flags, pcmk_sim_show_utilization)) {
pcmk__set_scheduler_flags(scheduler, pcmk_sched_show_utilization);
}
}
/*!
* \brief Write out a file in dot(1) format describing the actions that will
* be taken by the scheduler in response to an input CIB file.
*
* \param[in,out] scheduler Scheduler data
* \param[in] dot_file The filename to write
* \param[in] all_actions Write all actions, even those that are optional
* or are on unmanaged resources
* \param[in] verbose Add extra information, such as action IDs, to the
* output
*
* \return Standard Pacemaker return code
*/
static int
write_sim_dotfile(pcmk_scheduler_t *scheduler, const char *dot_file,
bool all_actions, bool verbose)
{
GList *iter = NULL;
FILE *dot_strm = fopen(dot_file, "w");
if (dot_strm == NULL) {
return errno;
}
fprintf(dot_strm, " digraph \"g\" {\n");
for (iter = scheduler->actions; iter != NULL; iter = iter->next) {
pcmk_action_t *action = (pcmk_action_t *) iter->data;
const char *style = "dashed";
const char *font = "black";
const char *color = "black";
char *action_name = create_action_name(action, verbose);
if (pcmk_is_set(action->flags, pcmk_action_pseudo)) {
font = "orange";
}
if (pcmk_is_set(action->flags, pcmk_action_added_to_graph)) {
style = PCMK__VALUE_BOLD;
color = "green";
} else if ((action->rsc != NULL)
&& !pcmk_is_set(action->rsc->flags, pcmk_rsc_managed)) {
color = "red";
font = "purple";
if (!all_actions) {
goto do_not_write;
}
} else if (pcmk_is_set(action->flags, pcmk_action_optional)) {
color = "blue";
if (!all_actions) {
goto do_not_write;
}
} else {
color = "red";
CRM_LOG_ASSERT(!pcmk_is_set(action->flags, pcmk_action_runnable));
}
pcmk__set_action_flags(action, pcmk_action_added_to_graph);
fprintf(dot_strm, "\"%s\" [ style=%s color=\"%s\" fontcolor=\"%s\"]\n",
action_name, style, color, font);
do_not_write:
free(action_name);
}
for (iter = scheduler->actions; iter != NULL; iter = iter->next) {
pcmk_action_t *action = (pcmk_action_t *) iter->data;
for (GList *before_iter = action->actions_before;
before_iter != NULL; before_iter = before_iter->next) {
pcmk__related_action_t *before = before_iter->data;
char *before_name = NULL;
char *after_name = NULL;
const char *style = "dashed";
bool optional = true;
if (before->state == pe_link_dumped) {
optional = false;
style = PCMK__VALUE_BOLD;
} else if ((uint32_t) before->type == pcmk__ar_none) {
continue;
} else if (pcmk_is_set(before->action->flags,
pcmk_action_added_to_graph)
&& pcmk_is_set(action->flags, pcmk_action_added_to_graph)
&& (uint32_t) before->type != pcmk__ar_if_on_same_node_or_target) {
optional = false;
}
if (all_actions || !optional) {
before_name = create_action_name(before->action, verbose);
after_name = create_action_name(action, verbose);
fprintf(dot_strm, "\"%s\" -> \"%s\" [ style = %s]\n",
before_name, after_name, style);
free(before_name);
free(after_name);
}
}
}
fprintf(dot_strm, "}\n");
fflush(dot_strm);
fclose(dot_strm);
return pcmk_rc_ok;
}
/*!
* \brief Profile the configuration updates and scheduler actions in a single
* CIB file, printing the profiling timings.
*
* \note \p scheduler->priv must have been set to a valid \p pcmk__output_t
* object before this function is called.
*
* \param[in] xml_file The CIB file to profile
* \param[in] repeat Number of times to run
* \param[in,out] scheduler Scheduler data
* \param[in] use_date The date to set the cluster's time to (may be NULL)
*/
static void
profile_file(const char *xml_file, long long repeat,
pcmk_scheduler_t *scheduler, const char *use_date)
{
pcmk__output_t *out = scheduler->priv;
xmlNode *cib_object = NULL;
clock_t start = 0;
clock_t end;
unsigned long long scheduler_flags = pcmk_sched_no_compat;
CRM_ASSERT(out != NULL);
cib_object = pcmk__xml_read(xml_file);
start = clock();
if (pcmk_find_cib_element(cib_object, PCMK_XE_STATUS) == NULL) {
pcmk__xe_create(cib_object, PCMK_XE_STATUS);
}
if (pcmk_update_configured_schema(&cib_object, false) != pcmk_rc_ok) {
pcmk__xml_free(cib_object);
return;
}
if (!pcmk__validate_xml(cib_object, NULL, NULL, NULL)) {
pcmk__xml_free(cib_object);
return;
}
if (pcmk_is_set(scheduler->flags, pcmk_sched_output_scores)) {
scheduler_flags |= pcmk_sched_output_scores;
}
if (pcmk_is_set(scheduler->flags, pcmk_sched_show_utilization)) {
scheduler_flags |= pcmk_sched_show_utilization;
}
for (int i = 0; i < repeat; ++i) {
xmlNode *input = cib_object;
if (repeat > 1) {
input = pcmk__xml_copy(NULL, cib_object);
}
scheduler->input = input;
set_effective_date(scheduler, false, use_date);
pcmk__schedule_actions(input, scheduler_flags, scheduler);
pe_reset_working_set(scheduler);
}
end = clock();
out->message(out, "profile", xml_file, start, end);
}
void
pcmk__profile_dir(const char *dir, long long repeat,
pcmk_scheduler_t *scheduler, const char *use_date)
{
pcmk__output_t *out = scheduler->priv;
struct dirent **namelist;
int file_num = scandir(dir, &namelist, 0, alphasort);
CRM_ASSERT(out != NULL);
if (file_num > 0) {
struct stat prop;
char buffer[FILENAME_MAX];
out->begin_list(out, NULL, NULL, "Timings");
while (file_num--) {
if ('.' == namelist[file_num]->d_name[0]) {
free(namelist[file_num]);
continue;
} else if (!pcmk__ends_with_ext(namelist[file_num]->d_name,
".xml")) {
free(namelist[file_num]);
continue;
}
snprintf(buffer, sizeof(buffer), "%s/%s",
dir, namelist[file_num]->d_name);
if (stat(buffer, &prop) == 0 && S_ISREG(prop.st_mode)) {
profile_file(buffer, repeat, scheduler, use_date);
}
free(namelist[file_num]);
}
free(namelist);
out->end_list(out);
}
}
/*!
* \brief Set the date of the cluster, either to the value given by
* \p use_date, or to the \c PCMK_XA_EXECUTION_DATE value in the CIB.
*
* \note \p scheduler->priv must have been set to a valid \p pcmk__output_t
* object before this function is called.
*
* \param[in,out] scheduler Scheduler data
* \param[in] print_original If \p true, the \c PCMK_XA_EXECUTION_DATE
* should also be printed
* \param[in] use_date The date to set the cluster's time to
* (may be NULL)
*/
static void
set_effective_date(pcmk_scheduler_t *scheduler, bool print_original,
const char *use_date)
{
pcmk__output_t *out = scheduler->priv;
time_t original_date = 0;
CRM_ASSERT(out != NULL);
crm_element_value_epoch(scheduler->input, PCMK_XA_EXECUTION_DATE,
&original_date);
if (use_date) {
scheduler->now = crm_time_new(use_date);
out->info(out, "Setting effective cluster time: %s", use_date);
crm_time_log(LOG_NOTICE, "Pretending 'now' is", scheduler->now,
crm_time_log_date | crm_time_log_timeofday);
} else if (original_date != 0) {
scheduler->now = pcmk__copy_timet(original_date);
if (print_original) {
char *when = crm_time_as_string(scheduler->now,
crm_time_log_date|crm_time_log_timeofday);
out->info(out, "Using the original execution date of: %s", when);
free(when);
}
}
}
/*!
* \internal
* \brief Simulate successfully executing a pseudo-action in a graph
*
* \param[in,out] graph Graph to update with pseudo-action result
* \param[in,out] action Pseudo-action to simulate executing
*
* \return Standard Pacemaker return code
*/
static int
simulate_pseudo_action(pcmk__graph_t *graph, pcmk__graph_action_t *action)
{
const char *node = crm_element_value(action->xml, PCMK__META_ON_NODE);
const char *task = crm_element_value(action->xml, PCMK__XA_OPERATION_KEY);
pcmk__set_graph_action_flags(action, pcmk__graph_action_confirmed);
out->message(out, "inject-pseudo-action", node, task);
pcmk__update_graph(graph, action);
return pcmk_rc_ok;
}
/*!
* \internal
* \brief Simulate executing a resource action in a graph
*
* \param[in,out] graph Graph to update with resource action result
* \param[in,out] action Resource action to simulate executing
*
* \return Standard Pacemaker return code
*/
static int
simulate_resource_action(pcmk__graph_t *graph, pcmk__graph_action_t *action)
{
int rc;
lrmd_event_data_t *op = NULL;
int target_outcome = PCMK_OCF_OK;
const char *rtype = NULL;
const char *rclass = NULL;
const char *resource = NULL;
const char *rprovider = NULL;
const char *resource_config_name = NULL;
const char *operation = crm_element_value(action->xml, PCMK_XA_OPERATION);
const char *target_rc_s = crm_meta_value(action->params,
PCMK__META_OP_TARGET_RC);
xmlNode *cib_node = NULL;
xmlNode *cib_resource = NULL;
xmlNode *action_rsc = pcmk__xe_first_child(action->xml, PCMK_XE_PRIMITIVE,
NULL, NULL);
char *node = crm_element_value_copy(action->xml, PCMK__META_ON_NODE);
char *uuid = NULL;
const char *router_node = crm_element_value(action->xml,
PCMK__XA_ROUTER_NODE);
// Certain actions don't need to be displayed or history entries
if (pcmk__str_eq(operation, CRM_OP_REPROBE, pcmk__str_none)) {
crm_debug("No history injection for %s op on %s", operation, node);
goto done; // Confirm action and update graph
}
if (action_rsc == NULL) { // Shouldn't be possible
crm_log_xml_err(action->xml, "Bad");
free(node);
return EPROTO;
}
/* A resource might be known by different names in the configuration and in
* the action (for example, a clone instance). Grab the configuration name
* (which is preferred when writing history), and if necessary, the instance
* name.
*/
resource_config_name = crm_element_value(action_rsc, PCMK_XA_ID);
if (resource_config_name == NULL) { // Shouldn't be possible
crm_log_xml_err(action->xml, "No ID");
free(node);
return EPROTO;
}
resource = resource_config_name;
if (pe_find_resource(fake_resource_list, resource) == NULL) {
const char *longname = crm_element_value(action_rsc, PCMK__XA_LONG_ID);
if ((longname != NULL)
&& (pe_find_resource(fake_resource_list, longname) != NULL)) {
resource = longname;
}
}
// Certain actions need to be displayed but don't need history entries
if (pcmk__strcase_any_of(operation, PCMK_ACTION_DELETE,
PCMK_ACTION_META_DATA, NULL)) {
out->message(out, "inject-rsc-action", resource, operation, node,
(guint) 0);
goto done; // Confirm action and update graph
}
rclass = crm_element_value(action_rsc, PCMK_XA_CLASS);
rtype = crm_element_value(action_rsc, PCMK_XA_TYPE);
rprovider = crm_element_value(action_rsc, PCMK_XA_PROVIDER);
pcmk__scan_min_int(target_rc_s, &target_outcome, 0);
CRM_ASSERT(fake_cib->cmds->query(fake_cib, NULL, NULL,
cib_sync_call|cib_scope_local) == pcmk_ok);
// Ensure the action node is in the CIB
uuid = crm_element_value_copy(action->xml, PCMK__META_ON_NODE_UUID);
cib_node = pcmk__inject_node(fake_cib, node,
((router_node == NULL)? uuid: node));
free(uuid);
CRM_ASSERT(cib_node != NULL);
// Add a history entry for the action
cib_resource = pcmk__inject_resource_history(out, cib_node, resource,
resource_config_name,
rclass, rtype, rprovider);
if (cib_resource == NULL) {
crm_err("Could not simulate action %d history for resource %s",
action->id, resource);
free(node);
pcmk__xml_free(cib_node);
return EINVAL;
}
// Simulate and display an executor event for the action result
op = pcmk__event_from_graph_action(cib_resource, action, PCMK_EXEC_DONE,
target_outcome, "User-injected result");
out->message(out, "inject-rsc-action", resource, op->op_type, node,
op->interval_ms);
// Check whether action is in a list of desired simulated failures
for (const GList *iter = fake_op_fail_list;
iter != NULL; iter = iter->next) {
const char *spec = (const char *) iter->data;
char *key = NULL;
const char *match_name = NULL;
// Allow user to specify anonymous clone with or without instance number
key = crm_strdup_printf(PCMK__OP_FMT "@%s=", resource, op->op_type,
op->interval_ms, node);
if (strncasecmp(key, spec, strlen(key)) == 0) {
match_name = resource;
}
free(key);
// If not found, try the resource's name in the configuration
if ((match_name == NULL)
&& (strcmp(resource, resource_config_name) != 0)) {
key = crm_strdup_printf(PCMK__OP_FMT "@%s=", resource_config_name,
op->op_type, op->interval_ms, node);
if (strncasecmp(key, spec, strlen(key)) == 0) {
match_name = resource_config_name;
}
free(key);
}
if (match_name == NULL) {
continue; // This failed action entry doesn't match
}
// ${match_name}_${task}_${interval_in_ms}@${node}=${rc}
rc = sscanf(spec, "%*[^=]=%d", (int *) &op->rc);
if (rc != 1) {
out->err(out, "Invalid failed operation '%s' "
"(result code must be integer)", spec);
continue; // Keep checking other list entries
}
out->info(out, "Pretending action %d failed with rc=%d",
action->id, op->rc);
pcmk__set_graph_action_flags(action, pcmk__graph_action_failed);
graph->abort_priority = PCMK_SCORE_INFINITY;
pcmk__inject_failcount(out, fake_cib, cib_node, match_name, op->op_type,
op->interval_ms, op->rc);
break;
}
pcmk__inject_action_result(cib_resource, op, target_outcome);
lrmd_free_event(op);
rc = fake_cib->cmds->modify(fake_cib, PCMK_XE_STATUS, cib_node,
cib_sync_call|cib_scope_local);
CRM_ASSERT(rc == pcmk_ok);
done:
free(node);
pcmk__xml_free(cib_node);
pcmk__set_graph_action_flags(action, pcmk__graph_action_confirmed);
pcmk__update_graph(graph, action);
return pcmk_rc_ok;
}
/*!
* \internal
* \brief Simulate successfully executing a cluster action
*
* \param[in,out] graph Graph to update with action result
* \param[in,out] action Cluster action to simulate
*
* \return Standard Pacemaker return code
*/
static int
simulate_cluster_action(pcmk__graph_t *graph, pcmk__graph_action_t *action)
{
const char *node = crm_element_value(action->xml, PCMK__META_ON_NODE);
const char *task = crm_element_value(action->xml, PCMK_XA_OPERATION);
xmlNode *rsc = pcmk__xe_first_child(action->xml, PCMK_XE_PRIMITIVE, NULL,
NULL);
pcmk__set_graph_action_flags(action, pcmk__graph_action_confirmed);
out->message(out, "inject-cluster-action", node, task, rsc);
pcmk__update_graph(graph, action);
return pcmk_rc_ok;
}
/*!
* \internal
* \brief Simulate successfully executing a fencing action
*
* \param[in,out] graph Graph to update with action result
* \param[in,out] action Fencing action to simulate
*
* \return Standard Pacemaker return code
*/
static int
simulate_fencing_action(pcmk__graph_t *graph, pcmk__graph_action_t *action)
{
const char *op = crm_meta_value(action->params, PCMK__META_STONITH_ACTION);
char *target = crm_element_value_copy(action->xml, PCMK__META_ON_NODE);
out->message(out, "inject-fencing-action", target, op);
if (!pcmk__str_eq(op, PCMK_ACTION_ON, pcmk__str_casei)) {
int rc = pcmk_ok;
GString *xpath = g_string_sized_new(512);
// Set node state to offline
xmlNode *cib_node = pcmk__inject_node_state_change(fake_cib, target,
false);
CRM_ASSERT(cib_node != NULL);
crm_xml_add(cib_node, PCMK_XA_CRM_DEBUG_ORIGIN, __func__);
rc = fake_cib->cmds->replace(fake_cib, PCMK_XE_STATUS, cib_node,
cib_sync_call|cib_scope_local);
CRM_ASSERT(rc == pcmk_ok);
// Simulate controller clearing node's resource history and attributes
pcmk__g_strcat(xpath,
"//" PCMK__XE_NODE_STATE
"[@" PCMK_XA_UNAME "='", target, "']/" PCMK__XE_LRM,
NULL);
fake_cib->cmds->remove(fake_cib, (const char *) xpath->str, NULL,
cib_xpath|cib_sync_call|cib_scope_local);
g_string_truncate(xpath, 0);
pcmk__g_strcat(xpath,
"//" PCMK__XE_NODE_STATE
"[@" PCMK_XA_UNAME "='", target, "']"
"/" PCMK__XE_TRANSIENT_ATTRIBUTES, NULL);
fake_cib->cmds->remove(fake_cib, (const char *) xpath->str, NULL,
cib_xpath|cib_sync_call|cib_scope_local);
pcmk__xml_free(cib_node);
g_string_free(xpath, TRUE);
}
pcmk__set_graph_action_flags(action, pcmk__graph_action_confirmed);
pcmk__update_graph(graph, action);
free(target);
return pcmk_rc_ok;
}
enum pcmk__graph_status
pcmk__simulate_transition(pcmk_scheduler_t *scheduler, cib_t *cib,
const GList *op_fail_list)
{
pcmk__graph_t *transition = NULL;
enum pcmk__graph_status graph_rc;
pcmk__graph_functions_t simulation_fns = {
simulate_pseudo_action,
simulate_resource_action,
simulate_cluster_action,
simulate_fencing_action,
};
out = scheduler->priv;
fake_cib = cib;
fake_op_fail_list = op_fail_list;
if (!out->is_quiet(out)) {
out->begin_list(out, NULL, NULL, "Executing Cluster Transition");
}
pcmk__set_graph_functions(&simulation_fns);
transition = pcmk__unpack_graph(scheduler->graph, crm_system_name);
pcmk__log_graph(LOG_DEBUG, transition);
fake_resource_list = scheduler->resources;
do {
graph_rc = pcmk__execute_graph(transition);
} while (graph_rc == pcmk__graph_active);
fake_resource_list = NULL;
if (graph_rc != pcmk__graph_complete) {
out->err(out, "Transition failed: %s",
pcmk__graph_status2text(graph_rc));
pcmk__log_graph(LOG_ERR, transition);
out->err(out, "An invalid transition was produced");
}
pcmk__free_graph(transition);
if (!out->is_quiet(out)) {
// If not quiet, we'll need the resulting CIB for later display
xmlNode *cib_object = NULL;
int rc = fake_cib->cmds->query(fake_cib, NULL, &cib_object,
cib_sync_call|cib_scope_local);
CRM_ASSERT(rc == pcmk_ok);
pe_reset_working_set(scheduler);
scheduler->input = cib_object;
out->end_list(out);
}
return graph_rc;
}
int
pcmk__simulate(pcmk_scheduler_t *scheduler, pcmk__output_t *out,
const pcmk_injections_t *injections, unsigned int flags,
uint32_t section_opts, const char *use_date,
const char *input_file, const char *graph_file,
const char *dot_file)
{
int printed = pcmk_rc_no_output;
int rc = pcmk_rc_ok;
xmlNodePtr input = NULL;
cib_t *cib = NULL;
rc = cib__signon_query(out, &cib, &input);
if (rc != pcmk_rc_ok) {
goto simulate_done;
}
reset(scheduler, input, out, use_date, flags);
cluster_status(scheduler);
if ((cib->variant == cib_native)
&& pcmk_is_set(section_opts, pcmk_section_times)) {
if (pcmk__our_nodename == NULL) {
// Currently used only in the times section
pcmk__query_node_name(out, 0, &pcmk__our_nodename, 0);
}
scheduler->localhost = pcmk__our_nodename;
}
if (!out->is_quiet(out)) {
const bool show_pending = pcmk_is_set(flags, pcmk_sim_show_pending);
if (pcmk_is_set(scheduler->flags, pcmk_sched_in_maintenance)) {
printed = out->message(out, "maint-mode", scheduler->flags);
}
if (scheduler->disabled_resources || scheduler->blocked_resources) {
PCMK__OUTPUT_SPACER_IF(out, printed == pcmk_rc_ok);
printed = out->info(out,
"%d of %d resource instances DISABLED and "
"%d BLOCKED from further action due to failure",
scheduler->disabled_resources,
scheduler->ninstances,
scheduler->blocked_resources);
}
/* Most formatted output headers use caps for each word, but this one
* only has the first word capitalized for compatibility with pcs.
*/
print_cluster_status(scheduler, (show_pending? pcmk_show_pending : 0),
section_opts, "Current cluster status",
(printed == pcmk_rc_ok));
printed = pcmk_rc_ok;
}
// If the user requested any injections, handle them
if ((injections->node_down != NULL)
|| (injections->node_fail != NULL)
|| (injections->node_up != NULL)
|| (injections->op_inject != NULL)
|| (injections->ticket_activate != NULL)
|| (injections->ticket_grant != NULL)
|| (injections->ticket_revoke != NULL)
|| (injections->ticket_standby != NULL)
|| (injections->watchdog != NULL)) {
PCMK__OUTPUT_SPACER_IF(out, printed == pcmk_rc_ok);
pcmk__inject_scheduler_input(scheduler, cib, injections);
printed = pcmk_rc_ok;
rc = cib->cmds->query(cib, NULL, &input, cib_sync_call);
if (rc != pcmk_rc_ok) {
rc = pcmk_legacy2rc(rc);
goto simulate_done;
}
cleanup_calculations(scheduler);
reset(scheduler, input, out, use_date, flags);
cluster_status(scheduler);
}
if (input_file != NULL) {
rc = pcmk__xml_write_file(input, input_file, false, NULL);
if (rc != pcmk_rc_ok) {
goto simulate_done;
}
}
if (pcmk_any_flags_set(flags, pcmk_sim_process | pcmk_sim_simulate)) {
pcmk__output_t *logger_out = NULL;
unsigned long long scheduler_flags = pcmk_sched_no_compat;
if (pcmk_is_set(scheduler->flags, pcmk_sched_output_scores)) {
scheduler_flags |= pcmk_sched_output_scores;
}
if (pcmk_is_set(scheduler->flags, pcmk_sched_show_utilization)) {
scheduler_flags |= pcmk_sched_show_utilization;
}
if (pcmk_all_flags_set(scheduler->flags,
pcmk_sched_output_scores
|pcmk_sched_show_utilization)) {
PCMK__OUTPUT_SPACER_IF(out, printed == pcmk_rc_ok);
out->begin_list(out, NULL, NULL,
"Assignment Scores and Utilization Information");
printed = pcmk_rc_ok;
} else if (pcmk_is_set(scheduler->flags, pcmk_sched_output_scores)) {
PCMK__OUTPUT_SPACER_IF(out, printed == pcmk_rc_ok);
out->begin_list(out, NULL, NULL, "Assignment Scores");
printed = pcmk_rc_ok;
} else if (pcmk_is_set(scheduler->flags, pcmk_sched_show_utilization)) {
PCMK__OUTPUT_SPACER_IF(out, printed == pcmk_rc_ok);
out->begin_list(out, NULL, NULL, "Utilization Information");
printed = pcmk_rc_ok;
} else {
rc = pcmk__log_output_new(&logger_out);
if (rc != pcmk_rc_ok) {
goto simulate_done;
}
pe__register_messages(logger_out);
pcmk__register_lib_messages(logger_out);
scheduler->priv = logger_out;
}
pcmk__schedule_actions(input, scheduler_flags, scheduler);
if (logger_out == NULL) {
out->end_list(out);
} else {
logger_out->finish(logger_out, CRM_EX_OK, true, NULL);
pcmk__output_free(logger_out);
scheduler->priv = out;
}
input = NULL; /* Don't try and free it twice */
if (graph_file != NULL) {
rc = pcmk__xml_write_file(scheduler->graph, graph_file, false,
NULL);
if (rc != pcmk_rc_ok) {
rc = pcmk_rc_graph_error;
goto simulate_done;
}
}
if (dot_file != NULL) {
rc = write_sim_dotfile(scheduler, dot_file,
pcmk_is_set(flags, pcmk_sim_all_actions),
pcmk_is_set(flags, pcmk_sim_verbose));
if (rc != pcmk_rc_ok) {
rc = pcmk_rc_dot_error;
goto simulate_done;
}
}
if (!out->is_quiet(out)) {
print_transition_summary(scheduler, printed == pcmk_rc_ok);
}
}
rc = pcmk_rc_ok;
if (!pcmk_is_set(flags, pcmk_sim_simulate)) {
goto simulate_done;
}
PCMK__OUTPUT_SPACER_IF(out, printed == pcmk_rc_ok);
if (pcmk__simulate_transition(scheduler, cib, injections->op_fail)
!= pcmk__graph_complete) {
rc = pcmk_rc_invalid_transition;
}
if (out->is_quiet(out)) {
goto simulate_done;
}
set_effective_date(scheduler, true, use_date);
if (pcmk_is_set(flags, pcmk_sim_show_scores)) {
pcmk__set_scheduler_flags(scheduler, pcmk_sched_output_scores);
}
if (pcmk_is_set(flags, pcmk_sim_show_utilization)) {
pcmk__set_scheduler_flags(scheduler, pcmk_sched_show_utilization);
}
cluster_status(scheduler);
print_cluster_status(scheduler, 0, section_opts, "Revised Cluster Status",
true);
simulate_done:
cib__clean_up_connection(&cib);
return rc;
}
int
pcmk_simulate(xmlNodePtr *xml, pcmk_scheduler_t *scheduler,
const pcmk_injections_t *injections, unsigned int flags,
unsigned int section_opts, const char *use_date,
const char *input_file, const char *graph_file,
const char *dot_file)
{
pcmk__output_t *out = NULL;
int rc = pcmk_rc_ok;
rc = pcmk__xml_output_new(&out, xml);
if (rc != pcmk_rc_ok) {
return rc;
}
pe__register_messages(out);
pcmk__register_lib_messages(out);
rc = pcmk__simulate(scheduler, out, injections, flags, section_opts,
use_date, input_file, graph_file, dot_file);
pcmk__xml_output_finish(out, pcmk_rc2exitc(rc), xml);
return rc;
}
diff --git a/lib/pengine/complex.c b/lib/pengine/complex.c
index 4e67fffcd3..ebd117ec2c 100644
--- a/lib/pengine/complex.c
+++ b/lib/pengine/complex.c
@@ -1,1270 +1,1272 @@
/*
* 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);
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)
};
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) {
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);
/* 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,
&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)) {
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)) {
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);
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)->orig_xml = xml_obj;
} else {
(*rsc)->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);
(*rsc)->ops_xml = pcmk__xe_resolve_idref(ops, scheduler->input);
(*rsc)->variant = get_resource_type((const char *) (*rsc)->xml->name);
if ((*rsc)->variant == pcmk_rsc_variant_unknown) {
pcmk__config_err("Ignoring resource '%s' of unknown type '%s'",
id, (*rsc)->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);
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)) {
(*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),
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);
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->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;
}
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->clone_name);
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 f33b90ffbf..3a05efc204 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);
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 = (rsc->clone_name? rsc->clone_name : rsc->id);
+ 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/native.c b/lib/pengine/native.c
index e41f89cb6d..881ff6224a 100644
--- a/lib/pengine/native.c
+++ b/lib/pengine/native.c
@@ -1,1170 +1,1170 @@
/*
* 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);
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);
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)
- && rsc->clone_name && strcmp(rsc->clone_name, id) == 0) {
+ && 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 *provider = NULL;
const char *kind = crm_element_value(rsc->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);
}
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);
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 *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);
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));
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);
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);
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/tests/native/native_find_rsc_test.c b/lib/pengine/tests/native/native_find_rsc_test.c
index a89b46ea4f..72d48497cd 100644
--- a/lib/pengine/tests/native/native_find_rsc_test.c
+++ b/lib/pengine/tests/native/native_find_rsc_test.c
@@ -1,917 +1,917 @@
/*
* Copyright 2022-2024 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/common/unittest_internal.h>
#include <crm/common/scheduler.h>
#include <crm/common/xml.h>
#include <crm/pengine/internal.h>
#include <crm/pengine/status.h>
xmlNode *input = NULL;
pcmk_scheduler_t *scheduler = NULL;
pcmk_node_t *cluster01, *cluster02, *httpd_bundle_0;
pcmk_resource_t *exim_group, *inactive_group;
pcmk_resource_t *promotable_clone, *inactive_clone;
pcmk_resource_t *httpd_bundle, *mysql_clone_group;
static int
setup(void **state) {
char *path = NULL;
pcmk__xml_init();
path = crm_strdup_printf("%s/crm_mon.xml", getenv("PCMK_CTS_CLI_DIR"));
input = pcmk__xml_read(path);
free(path);
if (input == NULL) {
return 1;
}
scheduler = pe_new_working_set();
if (scheduler == NULL) {
return 1;
}
pcmk__set_scheduler_flags(scheduler,
pcmk_sched_no_counts|pcmk_sched_no_compat);
scheduler->input = input;
cluster_status(scheduler);
/* Get references to the cluster nodes so we don't have to find them repeatedly. */
cluster01 = pcmk_find_node(scheduler, "cluster01");
cluster02 = pcmk_find_node(scheduler, "cluster02");
httpd_bundle_0 = pcmk_find_node(scheduler, "httpd-bundle-0");
/* Get references to several resources we use frequently. */
for (GList *iter = scheduler->resources; iter != NULL; iter = iter->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data;
if (strcmp(rsc->id, "exim-group") == 0) {
exim_group = rsc;
} else if (strcmp(rsc->id, "httpd-bundle") == 0) {
httpd_bundle = rsc;
} else if (strcmp(rsc->id, "inactive-clone") == 0) {
inactive_clone = rsc;
} else if (strcmp(rsc->id, "inactive-group") == 0) {
inactive_group = rsc;
} else if (strcmp(rsc->id, "mysql-clone-group") == 0) {
mysql_clone_group = rsc;
} else if (strcmp(rsc->id, "promotable-clone") == 0) {
promotable_clone = rsc;
}
}
return 0;
}
static int
teardown(void **state) {
pe_free_working_set(scheduler);
pcmk__xml_cleanup();
return 0;
}
static void
bad_args(void **state) {
pcmk_resource_t *rsc = g_list_first(scheduler->resources)->data;
char *id = rsc->id;
char *name = NULL;
assert_non_null(rsc);
assert_null(native_find_rsc(NULL, "dummy", NULL, 0));
assert_null(native_find_rsc(rsc, NULL, NULL, 0));
/* No resources exist with these names. */
name = crm_strdup_printf("%sX", rsc->id);
assert_null(native_find_rsc(rsc, name, NULL, 0));
free(name);
name = crm_strdup_printf("x%s", rsc->id);
assert_null(native_find_rsc(rsc, name, NULL, 0));
free(name);
name = g_ascii_strup(rsc->id, -1);
assert_null(native_find_rsc(rsc, name, NULL, 0));
g_free(name);
/* Fails because resource ID is NULL. */
rsc->id = NULL;
assert_null(native_find_rsc(rsc, id, NULL, 0));
rsc->id = id;
}
static void
primitive_rsc(void **state) {
pcmk_resource_t *dummy = NULL;
/* Find the "dummy" resource, which is the only one with that ID in the set. */
for (GList *iter = scheduler->resources; iter != NULL; iter = iter->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data;
if (strcmp(rsc->id, "dummy") == 0) {
dummy = rsc;
break;
}
}
assert_non_null(dummy);
/* Passes because NULL was passed for node, regardless of flags. */
assert_ptr_equal(dummy, native_find_rsc(dummy, "dummy", NULL, 0));
assert_ptr_equal(dummy,
native_find_rsc(dummy, "dummy", NULL,
pcmk_rsc_match_current_node));
/* Fails because resource is not a clone (nor cloned). */
assert_null(native_find_rsc(dummy, "dummy", NULL,
pcmk_rsc_match_clone_only));
assert_null(native_find_rsc(dummy, "dummy", cluster02,
pcmk_rsc_match_clone_only));
/* Fails because dummy is not running on cluster01, even with the right flags. */
assert_null(native_find_rsc(dummy, "dummy", cluster01,
pcmk_rsc_match_current_node));
// Fails because pcmk_rsc_match_current_node is required if a node is given
assert_null(native_find_rsc(dummy, "dummy", cluster02, 0));
/* Passes because dummy is running on cluster02. */
assert_ptr_equal(dummy,
native_find_rsc(dummy, "dummy", cluster02,
pcmk_rsc_match_current_node));
}
static void
group_rsc(void **state) {
assert_non_null(exim_group);
/* Passes because NULL was passed for node, regardless of flags. */
assert_ptr_equal(exim_group, native_find_rsc(exim_group, "exim-group", NULL, 0));
assert_ptr_equal(exim_group,
native_find_rsc(exim_group, "exim-group", NULL,
pcmk_rsc_match_current_node));
/* Fails because resource is not a clone (nor cloned). */
assert_null(native_find_rsc(exim_group, "exim-group", NULL,
pcmk_rsc_match_clone_only));
assert_null(native_find_rsc(exim_group, "exim-group", cluster01,
pcmk_rsc_match_clone_only));
/* Fails because none of exim-group's children are running on cluster01, even with the right flags. */
assert_null(native_find_rsc(exim_group, "exim-group", cluster01,
pcmk_rsc_match_current_node));
// Fails because pcmk_rsc_match_current_node is required if a node is given
assert_null(native_find_rsc(exim_group, "exim-group", cluster01, 0));
/* Passes because one of exim-group's children is running on cluster02. */
assert_ptr_equal(exim_group,
native_find_rsc(exim_group, "exim-group", cluster02,
pcmk_rsc_match_current_node));
}
static void
inactive_group_rsc(void **state) {
assert_non_null(inactive_group);
/* Passes because NULL was passed for node, regardless of flags. */
assert_ptr_equal(inactive_group, native_find_rsc(inactive_group, "inactive-group", NULL, 0));
assert_ptr_equal(inactive_group,
native_find_rsc(inactive_group, "inactive-group", NULL,
pcmk_rsc_match_current_node));
/* Fails because resource is not a clone (nor cloned). */
assert_null(native_find_rsc(inactive_group, "inactive-group", NULL,
pcmk_rsc_match_clone_only));
assert_null(native_find_rsc(inactive_group, "inactive-group", cluster01,
pcmk_rsc_match_clone_only));
/* Fails because none of inactive-group's children are running. */
assert_null(native_find_rsc(inactive_group, "inactive-group", cluster01,
pcmk_rsc_match_current_node));
assert_null(native_find_rsc(inactive_group, "inactive-group", cluster02,
pcmk_rsc_match_current_node));
}
static void
group_member_rsc(void **state) {
pcmk_resource_t *public_ip = NULL;
/* Find the "Public-IP" resource, a member of "exim-group". */
for (GList *iter = exim_group->children; iter != NULL; iter = iter->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data;
if (strcmp(rsc->id, "Public-IP") == 0) {
public_ip = rsc;
break;
}
}
assert_non_null(public_ip);
/* Passes because NULL was passed for node, regardless of flags. */
assert_ptr_equal(public_ip, native_find_rsc(public_ip, "Public-IP", NULL, 0));
assert_ptr_equal(public_ip,
native_find_rsc(public_ip, "Public-IP", NULL,
pcmk_rsc_match_current_node));
/* Fails because resource is not a clone (nor cloned). */
assert_null(native_find_rsc(public_ip, "Public-IP", NULL,
pcmk_rsc_match_clone_only));
assert_null(native_find_rsc(public_ip, "Public-IP", cluster02,
pcmk_rsc_match_clone_only));
/* Fails because Public-IP is not running on cluster01, even with the right flags. */
assert_null(native_find_rsc(public_ip, "Public-IP", cluster01,
pcmk_rsc_match_current_node));
// Fails because pcmk_rsc_match_current_node is required if a node is given
assert_null(native_find_rsc(public_ip, "Public-IP", cluster02, 0));
/* Passes because Public-IP is running on cluster02. */
assert_ptr_equal(public_ip,
native_find_rsc(public_ip, "Public-IP", cluster02,
pcmk_rsc_match_current_node));
}
static void
inactive_group_member_rsc(void **state) {
pcmk_resource_t *inactive_dummy_1 = NULL;
/* Find the "inactive-dummy-1" resource, a member of "inactive-group". */
for (GList *iter = inactive_group->children; iter != NULL; iter = iter->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data;
if (strcmp(rsc->id, "inactive-dummy-1") == 0) {
inactive_dummy_1 = rsc;
break;
}
}
assert_non_null(inactive_dummy_1);
/* Passes because NULL was passed for node, regardless of flags. */
assert_ptr_equal(inactive_dummy_1, native_find_rsc(inactive_dummy_1, "inactive-dummy-1", NULL, 0));
assert_ptr_equal(inactive_dummy_1,
native_find_rsc(inactive_dummy_1, "inactive-dummy-1", NULL,
pcmk_rsc_match_current_node));
/* Fails because resource is not a clone (nor cloned). */
assert_null(native_find_rsc(inactive_dummy_1, "inactive-dummy-1", NULL,
pcmk_rsc_match_clone_only));
assert_null(native_find_rsc(inactive_dummy_1, "inactive-dummy-1", cluster01,
pcmk_rsc_match_clone_only));
/* Fails because inactive-dummy-1 is not running. */
assert_null(native_find_rsc(inactive_dummy_1, "inactive-dummy-1", cluster01,
pcmk_rsc_match_current_node));
assert_null(native_find_rsc(inactive_dummy_1, "inactive-dummy-1", cluster02,
pcmk_rsc_match_current_node));
}
static void
clone_rsc(void **state) {
assert_non_null(promotable_clone);
/* Passes because NULL was passed for node, regardless of flags. */
assert_ptr_equal(promotable_clone, native_find_rsc(promotable_clone, "promotable-clone", NULL, 0));
assert_ptr_equal(promotable_clone,
native_find_rsc(promotable_clone, "promotable-clone", NULL,
pcmk_rsc_match_current_node));
assert_ptr_equal(promotable_clone,
native_find_rsc(promotable_clone, "promotable-clone", NULL,
pcmk_rsc_match_clone_only));
// Fails because pcmk_rsc_match_current_node is required if a node is given
assert_null(native_find_rsc(promotable_clone, "promotable-clone", cluster01, 0));
/* Passes because one of ping-clone's children is running on cluster01. */
assert_ptr_equal(promotable_clone,
native_find_rsc(promotable_clone, "promotable-clone",
cluster01, pcmk_rsc_match_current_node));
// Fails because pcmk_rsc_match_current_node is required if a node is given
assert_null(native_find_rsc(promotable_clone, "promotable-clone", cluster02, 0));
/* Passes because one of ping_clone's children is running on cluster02. */
assert_ptr_equal(promotable_clone,
native_find_rsc(promotable_clone, "promotable-clone",
cluster02, pcmk_rsc_match_current_node));
// Passes for previous reasons, plus includes pcmk_rsc_match_clone_only
assert_ptr_equal(promotable_clone,
native_find_rsc(promotable_clone, "promotable-clone",
cluster01,
pcmk_rsc_match_clone_only
|pcmk_rsc_match_current_node));
assert_ptr_equal(promotable_clone,
native_find_rsc(promotable_clone, "promotable-clone",
cluster02,
pcmk_rsc_match_clone_only
|pcmk_rsc_match_current_node));
}
static void
inactive_clone_rsc(void **state) {
assert_non_null(inactive_clone);
/* Passes because NULL was passed for node, regardless of flags. */
assert_ptr_equal(inactive_clone, native_find_rsc(inactive_clone, "inactive-clone", NULL, 0));
assert_ptr_equal(inactive_clone,
native_find_rsc(inactive_clone, "inactive-clone", NULL,
pcmk_rsc_match_current_node));
assert_ptr_equal(inactive_clone,
native_find_rsc(inactive_clone, "inactive-clone", NULL,
pcmk_rsc_match_clone_only));
/* Fails because none of inactive-clone's children are running. */
assert_null(native_find_rsc(inactive_clone, "inactive-clone", cluster01,
pcmk_rsc_match_current_node
|pcmk_rsc_match_clone_only));
assert_null(native_find_rsc(inactive_clone, "inactive-clone", cluster02,
pcmk_rsc_match_current_node
|pcmk_rsc_match_clone_only));
}
static void
clone_instance_rsc(void **state) {
pcmk_resource_t *promotable_0 = NULL;
pcmk_resource_t *promotable_1 = NULL;
/* Find the "promotable-rsc:0" and "promotable-rsc:1" resources, members of "promotable-clone". */
for (GList *iter = promotable_clone->children; iter != NULL; iter = iter->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data;
if (strcmp(rsc->id, "promotable-rsc:0") == 0) {
promotable_0 = rsc;
} else if (strcmp(rsc->id, "promotable-rsc:1") == 0) {
promotable_1 = rsc;
}
}
assert_non_null(promotable_0);
assert_non_null(promotable_1);
/* Passes because NULL was passed for node, regardless of flags. */
assert_ptr_equal(promotable_0, native_find_rsc(promotable_0, "promotable-rsc:0", NULL, 0));
assert_ptr_equal(promotable_0,
native_find_rsc(promotable_0, "promotable-rsc:0", NULL,
pcmk_rsc_match_current_node));
assert_ptr_equal(promotable_1, native_find_rsc(promotable_1, "promotable-rsc:1", NULL, 0));
assert_ptr_equal(promotable_1,
native_find_rsc(promotable_1, "promotable-rsc:1", NULL,
pcmk_rsc_match_current_node));
// Fails because pcmk_rsc_match_current_node is required if a node is given
assert_null(native_find_rsc(promotable_0, "promotable-rsc:0", cluster02, 0));
assert_null(native_find_rsc(promotable_1, "promotable-rsc:1", cluster01, 0));
/* Check that the resource is running on the node we expect. */
assert_ptr_equal(promotable_0,
native_find_rsc(promotable_0, "promotable-rsc:0",
cluster02, pcmk_rsc_match_current_node));
assert_null(native_find_rsc(promotable_0, "promotable-rsc:0", cluster01,
pcmk_rsc_match_current_node));
assert_ptr_equal(promotable_1,
native_find_rsc(promotable_1, "promotable-rsc:1",
cluster01, pcmk_rsc_match_current_node));
assert_null(native_find_rsc(promotable_1, "promotable-rsc:1", cluster02,
pcmk_rsc_match_current_node));
/* Passes because NULL was passed for node and primitive name was given, with correct flags. */
assert_ptr_equal(promotable_0,
native_find_rsc(promotable_0, "promotable-rsc", NULL,
pcmk_rsc_match_clone_only));
// Passes because pcmk_rsc_match_basename matches any instance's base name
assert_ptr_equal(promotable_0,
native_find_rsc(promotable_0, "promotable-rsc", NULL,
pcmk_rsc_match_basename));
assert_ptr_equal(promotable_1,
native_find_rsc(promotable_1, "promotable-rsc", NULL,
pcmk_rsc_match_basename));
// Passes because pcmk_rsc_match_anon_basename matches
assert_ptr_equal(promotable_0,
native_find_rsc(promotable_0, "promotable-rsc", NULL,
pcmk_rsc_match_anon_basename));
assert_ptr_equal(promotable_1,
native_find_rsc(promotable_1, "promotable-rsc", NULL,
pcmk_rsc_match_anon_basename));
/* Check that the resource is running on the node we expect. */
assert_ptr_equal(promotable_0,
native_find_rsc(promotable_0, "promotable-rsc", cluster02,
pcmk_rsc_match_basename
|pcmk_rsc_match_current_node));
assert_ptr_equal(promotable_0,
native_find_rsc(promotable_0, "promotable-rsc", cluster02,
pcmk_rsc_match_anon_basename
|pcmk_rsc_match_current_node));
assert_null(native_find_rsc(promotable_0, "promotable-rsc", cluster01,
pcmk_rsc_match_basename
|pcmk_rsc_match_current_node));
assert_null(native_find_rsc(promotable_0, "promotable-rsc", cluster01,
pcmk_rsc_match_anon_basename
|pcmk_rsc_match_current_node));
assert_ptr_equal(promotable_1,
native_find_rsc(promotable_1, "promotable-rsc", cluster01,
pcmk_rsc_match_basename
|pcmk_rsc_match_current_node));
assert_ptr_equal(promotable_1,
native_find_rsc(promotable_1, "promotable-rsc", cluster01,
pcmk_rsc_match_anon_basename
|pcmk_rsc_match_current_node));
assert_null(native_find_rsc(promotable_1, "promotable-rsc", cluster02,
pcmk_rsc_match_basename
|pcmk_rsc_match_current_node));
assert_null(native_find_rsc(promotable_1, "promotable-rsc", cluster02,
pcmk_rsc_match_anon_basename
|pcmk_rsc_match_current_node));
/* Fails because incorrect flags were given along with primitive name. */
assert_null(native_find_rsc(promotable_0, "promotable-rsc", NULL,
pcmk_rsc_match_current_node));
assert_null(native_find_rsc(promotable_1, "promotable-rsc", NULL,
pcmk_rsc_match_current_node));
/* And then we check failure possibilities again, except passing promotable_clone
* instead of promotable_X as the first argument to native_find_rsc.
*/
// Fails because pcmk_rsc_match_current_node is required if a node is given
assert_null(native_find_rsc(promotable_clone, "promotable-rsc:0", cluster02, 0));
assert_null(native_find_rsc(promotable_clone, "promotable-rsc:1", cluster01, 0));
/* Check that the resource is running on the node we expect. */
assert_ptr_equal(promotable_0,
native_find_rsc(promotable_clone, "promotable-rsc:0",
cluster02, pcmk_rsc_match_current_node));
assert_ptr_equal(promotable_0,
native_find_rsc(promotable_clone, "promotable-rsc",
cluster02,
pcmk_rsc_match_basename
|pcmk_rsc_match_current_node));
assert_ptr_equal(promotable_0,
native_find_rsc(promotable_clone, "promotable-rsc",
cluster02,
pcmk_rsc_match_anon_basename
|pcmk_rsc_match_current_node));
assert_ptr_equal(promotable_1,
native_find_rsc(promotable_clone, "promotable-rsc:1",
cluster01, pcmk_rsc_match_current_node));
assert_ptr_equal(promotable_1,
native_find_rsc(promotable_clone, "promotable-rsc",
cluster01,
pcmk_rsc_match_basename
|pcmk_rsc_match_current_node));
assert_ptr_equal(promotable_1,
native_find_rsc(promotable_clone, "promotable-rsc",
cluster01,
pcmk_rsc_match_anon_basename
|pcmk_rsc_match_current_node));
}
static void
renamed_rsc(void **state) {
pcmk_resource_t *promotable_0 = NULL;
pcmk_resource_t *promotable_1 = NULL;
/* Find the "promotable-rsc:0" and "promotable-rsc:1" resources, members of "promotable-clone". */
for (GList *iter = promotable_clone->children; iter != NULL; iter = iter->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data;
if (strcmp(rsc->id, "promotable-rsc:0") == 0) {
promotable_0 = rsc;
} else if (strcmp(rsc->id, "promotable-rsc:1") == 0) {
promotable_1 = rsc;
}
}
assert_non_null(promotable_0);
assert_non_null(promotable_1);
- // Passes because pcmk_rsc_match_history means base name matches clone_name
+ // Passes because pcmk_rsc_match_history means base name matches history_id
assert_ptr_equal(promotable_0,
native_find_rsc(promotable_0, "promotable-rsc", NULL,
pcmk_rsc_match_history));
assert_ptr_equal(promotable_1,
native_find_rsc(promotable_1, "promotable-rsc", NULL,
pcmk_rsc_match_history));
}
static void
bundle_rsc(void **state) {
assert_non_null(httpd_bundle);
/* Passes because NULL was passed for node, regardless of flags. */
assert_ptr_equal(httpd_bundle, native_find_rsc(httpd_bundle, "httpd-bundle", NULL, 0));
assert_ptr_equal(httpd_bundle,
native_find_rsc(httpd_bundle, "httpd-bundle", NULL,
pcmk_rsc_match_current_node));
/* Fails because resource is not a clone (nor cloned). */
assert_null(native_find_rsc(httpd_bundle, "httpd-bundle", NULL,
pcmk_rsc_match_clone_only));
assert_null(native_find_rsc(httpd_bundle, "httpd-bundle", cluster01,
pcmk_rsc_match_clone_only));
// Fails because pcmk_rsc_match_current_node is required if a node is given
assert_null(native_find_rsc(httpd_bundle, "httpd-bundle", cluster01, 0));
/* Passes because one of httpd_bundle's children is running on cluster01. */
assert_ptr_equal(httpd_bundle,
native_find_rsc(httpd_bundle, "httpd-bundle", cluster01,
pcmk_rsc_match_current_node));
}
static bool
bundle_first_replica(pcmk__bundle_replica_t *replica, void *user_data)
{
pcmk_resource_t *ip_0 = replica->ip;
pcmk_resource_t *child_0 = replica->child;
pcmk_resource_t *container_0 = replica->container;
pcmk_resource_t *remote_0 = replica->remote;
assert_non_null(ip_0);
assert_non_null(child_0);
assert_non_null(container_0);
assert_non_null(remote_0);
/* Passes because NULL was passed for node, regardless of flags. */
assert_ptr_equal(ip_0, native_find_rsc(ip_0, "httpd-bundle-ip-192.168.122.131", NULL, 0));
assert_ptr_equal(child_0, native_find_rsc(child_0, "httpd:0", NULL, 0));
assert_ptr_equal(container_0, native_find_rsc(container_0, "httpd-bundle-docker-0", NULL, 0));
assert_ptr_equal(remote_0, native_find_rsc(remote_0, "httpd-bundle-0", NULL, 0));
// Fails because pcmk_rsc_match_current_node is required if a node is given
assert_null(native_find_rsc(ip_0, "httpd-bundle-ip-192.168.122.131", cluster01, 0));
assert_null(native_find_rsc(child_0, "httpd:0", httpd_bundle_0, 0));
assert_null(native_find_rsc(container_0, "httpd-bundle-docker-0", cluster01, 0));
assert_null(native_find_rsc(remote_0, "httpd-bundle-0", cluster01, 0));
/* Check that the resource is running on the node we expect. */
assert_ptr_equal(ip_0,
native_find_rsc(ip_0, "httpd-bundle-ip-192.168.122.131",
cluster01, pcmk_rsc_match_current_node));
assert_null(native_find_rsc(ip_0, "httpd-bundle-ip-192.168.122.131",
cluster02, pcmk_rsc_match_current_node));
assert_null(native_find_rsc(ip_0, "httpd-bundle-ip-192.168.122.131",
httpd_bundle_0, pcmk_rsc_match_current_node));
assert_ptr_equal(child_0,
native_find_rsc(child_0, "httpd:0", httpd_bundle_0,
pcmk_rsc_match_current_node));
assert_null(native_find_rsc(child_0, "httpd:0", cluster01,
pcmk_rsc_match_current_node));
assert_null(native_find_rsc(child_0, "httpd:0", cluster02,
pcmk_rsc_match_current_node));
assert_ptr_equal(container_0,
native_find_rsc(container_0, "httpd-bundle-docker-0",
cluster01, pcmk_rsc_match_current_node));
assert_null(native_find_rsc(container_0, "httpd-bundle-docker-0", cluster02,
pcmk_rsc_match_current_node));
assert_null(native_find_rsc(container_0, "httpd-bundle-docker-0",
httpd_bundle_0, pcmk_rsc_match_current_node));
assert_ptr_equal(remote_0,
native_find_rsc(remote_0, "httpd-bundle-0", cluster01,
pcmk_rsc_match_current_node));
assert_null(native_find_rsc(remote_0, "httpd-bundle-0", cluster02,
pcmk_rsc_match_current_node));
assert_null(native_find_rsc(remote_0, "httpd-bundle-0", httpd_bundle_0,
pcmk_rsc_match_current_node));
// Passes because pcmk_rsc_match_basename matches any replica's base name
assert_ptr_equal(child_0,
native_find_rsc(child_0, "httpd", NULL,
pcmk_rsc_match_basename));
// Passes because pcmk_rsc_match_anon_basename matches
assert_ptr_equal(child_0,
native_find_rsc(child_0, "httpd", NULL,
pcmk_rsc_match_anon_basename));
/* Check that the resource is running on the node we expect. */
assert_ptr_equal(child_0,
native_find_rsc(child_0, "httpd", httpd_bundle_0,
pcmk_rsc_match_basename
|pcmk_rsc_match_current_node));
assert_ptr_equal(child_0,
native_find_rsc(child_0, "httpd", httpd_bundle_0,
pcmk_rsc_match_anon_basename
|pcmk_rsc_match_current_node));
assert_null(native_find_rsc(child_0, "httpd", cluster01,
pcmk_rsc_match_basename
|pcmk_rsc_match_current_node));
assert_null(native_find_rsc(child_0, "httpd", cluster01,
pcmk_rsc_match_anon_basename
|pcmk_rsc_match_current_node));
assert_null(native_find_rsc(child_0, "httpd", cluster02,
pcmk_rsc_match_basename
|pcmk_rsc_match_current_node));
assert_null(native_find_rsc(child_0, "httpd", cluster02,
pcmk_rsc_match_anon_basename
|pcmk_rsc_match_current_node));
/* Fails because incorrect flags were given along with base name. */
assert_null(native_find_rsc(child_0, "httpd", NULL,
pcmk_rsc_match_current_node));
/* And then we check failure possibilities again, except passing httpd-bundle
* instead of X_0 as the first argument to native_find_rsc.
*/
// Fails because pcmk_rsc_match_current_node is required if a node is given
assert_null(native_find_rsc(httpd_bundle, "httpd-bundle-ip-192.168.122.131", cluster01, 0));
assert_null(native_find_rsc(httpd_bundle, "httpd:0", httpd_bundle_0, 0));
assert_null(native_find_rsc(httpd_bundle, "httpd-bundle-docker-0", cluster01, 0));
assert_null(native_find_rsc(httpd_bundle, "httpd-bundle-0", cluster01, 0));
/* Check that the resource is running on the node we expect. */
assert_ptr_equal(ip_0,
native_find_rsc(httpd_bundle,
"httpd-bundle-ip-192.168.122.131",
cluster01, pcmk_rsc_match_current_node));
assert_ptr_equal(child_0,
native_find_rsc(httpd_bundle, "httpd:0", httpd_bundle_0,
pcmk_rsc_match_current_node));
assert_ptr_equal(container_0,
native_find_rsc(httpd_bundle, "httpd-bundle-docker-0",
cluster01, pcmk_rsc_match_current_node));
assert_ptr_equal(remote_0,
native_find_rsc(httpd_bundle, "httpd-bundle-0", cluster01,
pcmk_rsc_match_current_node));
return false; // Do not iterate through any further replicas
}
static void
bundle_replica_rsc(void **state)
{
pe__foreach_bundle_replica(httpd_bundle, bundle_first_replica, NULL);
}
static void
clone_group_rsc(void **rsc) {
assert_non_null(mysql_clone_group);
/* Passes because NULL was passed for node, regardless of flags. */
assert_ptr_equal(mysql_clone_group, native_find_rsc(mysql_clone_group, "mysql-clone-group", NULL, 0));
assert_ptr_equal(mysql_clone_group,
native_find_rsc(mysql_clone_group, "mysql-clone-group",
NULL, pcmk_rsc_match_current_node));
assert_ptr_equal(mysql_clone_group,
native_find_rsc(mysql_clone_group, "mysql-clone-group",
NULL, pcmk_rsc_match_clone_only));
// Fails because pcmk_rsc_match_current_node is required if a node is given
assert_null(native_find_rsc(mysql_clone_group, "mysql-clone-group", cluster01, 0));
/* Passes because one of mysql-clone-group's children is running on cluster01. */
assert_ptr_equal(mysql_clone_group,
native_find_rsc(mysql_clone_group, "mysql-clone-group",
cluster01, pcmk_rsc_match_current_node));
// Fails because pcmk_rsc_match_current_node is required if a node is given
assert_null(native_find_rsc(mysql_clone_group, "mysql-clone-group", cluster02, 0));
/* Passes because one of mysql-clone-group's children is running on cluster02. */
assert_ptr_equal(mysql_clone_group,
native_find_rsc(mysql_clone_group, "mysql-clone-group",
cluster02, pcmk_rsc_match_current_node));
// Passes for previous reasons, plus includes pcmk_rsc_match_clone_only
assert_ptr_equal(mysql_clone_group,
native_find_rsc(mysql_clone_group, "mysql-clone-group",
cluster01,
pcmk_rsc_match_clone_only
|pcmk_rsc_match_current_node));
assert_ptr_equal(mysql_clone_group,
native_find_rsc(mysql_clone_group, "mysql-clone-group",
cluster02,
pcmk_rsc_match_clone_only
|pcmk_rsc_match_current_node));
}
static void
clone_group_instance_rsc(void **rsc) {
pcmk_resource_t *mysql_group_0 = NULL;
pcmk_resource_t *mysql_group_1 = NULL;
/* Find the "mysql-group:0" and "mysql-group:1" resources, members of "mysql-clone-group". */
for (GList *iter = mysql_clone_group->children; iter != NULL; iter = iter->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data;
if (strcmp(rsc->id, "mysql-group:0") == 0) {
mysql_group_0 = rsc;
} else if (strcmp(rsc->id, "mysql-group:1") == 0) {
mysql_group_1 = rsc;
}
}
assert_non_null(mysql_group_0);
assert_non_null(mysql_group_1);
/* Passes because NULL was passed for node, regardless of flags. */
assert_ptr_equal(mysql_group_0, native_find_rsc(mysql_group_0, "mysql-group:0", NULL, 0));
assert_ptr_equal(mysql_group_0,
native_find_rsc(mysql_group_0, "mysql-group:0", NULL,
pcmk_rsc_match_current_node));
assert_ptr_equal(mysql_group_1, native_find_rsc(mysql_group_1, "mysql-group:1", NULL, 0));
assert_ptr_equal(mysql_group_1,
native_find_rsc(mysql_group_1, "mysql-group:1", NULL,
pcmk_rsc_match_current_node));
// Fails because pcmk_rsc_match_current_node is required if a node is given
assert_null(native_find_rsc(mysql_group_0, "mysql-group:0", cluster02, 0));
assert_null(native_find_rsc(mysql_group_1, "mysql-group:1", cluster01, 0));
/* Check that the resource is running on the node we expect. */
assert_ptr_equal(mysql_group_0,
native_find_rsc(mysql_group_0, "mysql-group:0", cluster02,
pcmk_rsc_match_current_node));
assert_null(native_find_rsc(mysql_group_0, "mysql-group:0", cluster01,
pcmk_rsc_match_current_node));
assert_ptr_equal(mysql_group_1,
native_find_rsc(mysql_group_1, "mysql-group:1", cluster01,
pcmk_rsc_match_current_node));
assert_null(native_find_rsc(mysql_group_1, "mysql-group:1", cluster02,
pcmk_rsc_match_current_node));
/* Passes because NULL was passed for node and base name was given, with correct flags. */
assert_ptr_equal(mysql_group_0,
native_find_rsc(mysql_group_0, "mysql-group" , NULL,
pcmk_rsc_match_clone_only));
// Passes because pcmk_rsc_match_basename matches any base name
assert_ptr_equal(mysql_group_0,
native_find_rsc(mysql_group_0, "mysql-group" , NULL,
pcmk_rsc_match_basename));
assert_ptr_equal(mysql_group_1,
native_find_rsc(mysql_group_1, "mysql-group" , NULL,
pcmk_rsc_match_basename));
// Passes because pcmk_rsc_match_anon_basename matches
assert_ptr_equal(mysql_group_0,
native_find_rsc(mysql_group_0, "mysql-group" , NULL,
pcmk_rsc_match_anon_basename));
assert_ptr_equal(mysql_group_1,
native_find_rsc(mysql_group_1, "mysql-group" , NULL,
pcmk_rsc_match_anon_basename));
/* Check that the resource is running on the node we expect. */
assert_ptr_equal(mysql_group_0,
native_find_rsc(mysql_group_0, "mysql-group", cluster02,
pcmk_rsc_match_basename
|pcmk_rsc_match_current_node));
assert_ptr_equal(mysql_group_0,
native_find_rsc(mysql_group_0, "mysql-group", cluster02,
pcmk_rsc_match_anon_basename
|pcmk_rsc_match_current_node));
assert_null(native_find_rsc(mysql_group_0, "mysql-group", cluster01,
pcmk_rsc_match_basename
|pcmk_rsc_match_current_node));
assert_null(native_find_rsc(mysql_group_0, "mysql-group", cluster01,
pcmk_rsc_match_anon_basename
|pcmk_rsc_match_current_node));
assert_ptr_equal(mysql_group_1,
native_find_rsc(mysql_group_1, "mysql-group", cluster01,
pcmk_rsc_match_basename
|pcmk_rsc_match_current_node));
assert_ptr_equal(mysql_group_1,
native_find_rsc(mysql_group_1, "mysql-group", cluster01,
pcmk_rsc_match_anon_basename
|pcmk_rsc_match_current_node));
assert_null(native_find_rsc(mysql_group_1, "mysql-group", cluster02,
pcmk_rsc_match_basename
|pcmk_rsc_match_current_node));
assert_null(native_find_rsc(mysql_group_1, "mysql-group", cluster02,
pcmk_rsc_match_anon_basename
|pcmk_rsc_match_current_node));
/* Fails because incorrect flags were given along with base name. */
assert_null(native_find_rsc(mysql_group_0, "mysql-group", NULL,
pcmk_rsc_match_current_node));
assert_null(native_find_rsc(mysql_group_1, "mysql-group", NULL,
pcmk_rsc_match_current_node));
/* And then we check failure possibilities again, except passing mysql_clone_group
* instead of mysql_group_X as the first argument to native_find_rsc.
*/
// Fails because pcmk_rsc_match_current_node is required if a node is given
assert_null(native_find_rsc(mysql_clone_group, "mysql-group:0", cluster02, 0));
assert_null(native_find_rsc(mysql_clone_group, "mysql-group:1", cluster01, 0));
/* Check that the resource is running on the node we expect. */
assert_ptr_equal(mysql_group_0,
native_find_rsc(mysql_clone_group, "mysql-group:0",
cluster02, pcmk_rsc_match_current_node));
assert_ptr_equal(mysql_group_0,
native_find_rsc(mysql_clone_group, "mysql-group",
cluster02,
pcmk_rsc_match_basename
|pcmk_rsc_match_current_node));
assert_ptr_equal(mysql_group_0,
native_find_rsc(mysql_clone_group, "mysql-group",
cluster02,
pcmk_rsc_match_anon_basename
|pcmk_rsc_match_current_node));
assert_ptr_equal(mysql_group_1,
native_find_rsc(mysql_clone_group, "mysql-group:1",
cluster01, pcmk_rsc_match_current_node));
assert_ptr_equal(mysql_group_1,
native_find_rsc(mysql_clone_group, "mysql-group",
cluster01,
pcmk_rsc_match_basename
|pcmk_rsc_match_current_node));
assert_ptr_equal(mysql_group_1,
native_find_rsc(mysql_clone_group, "mysql-group",
cluster01,
pcmk_rsc_match_anon_basename
|pcmk_rsc_match_current_node));
}
static void
clone_group_member_rsc(void **state) {
pcmk_resource_t *mysql_proxy = NULL;
/* Find the "mysql-proxy" resource, a member of "mysql-group". */
for (GList *iter = mysql_clone_group->children; iter != NULL; iter = iter->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) iter->data;
if (strcmp(rsc->id, "mysql-group:0") == 0) {
for (GList *iter2 = rsc->children; iter2 != NULL; iter2 = iter2->next) {
pcmk_resource_t *child = (pcmk_resource_t *) iter2->data;
if (strcmp(child->id, "mysql-proxy:0") == 0) {
mysql_proxy = child;
break;
}
}
break;
}
}
assert_non_null(mysql_proxy);
/* Passes because NULL was passed for node, regardless of flags. */
assert_ptr_equal(mysql_proxy, native_find_rsc(mysql_proxy, "mysql-proxy:0", NULL, 0));
assert_ptr_equal(mysql_proxy,
native_find_rsc(mysql_proxy, "mysql-proxy:0", NULL,
pcmk_rsc_match_current_node));
/* Passes because resource's parent is a clone. */
assert_ptr_equal(mysql_proxy,
native_find_rsc(mysql_proxy, "mysql-proxy:0", NULL,
pcmk_rsc_match_clone_only));
assert_ptr_equal(mysql_proxy,
native_find_rsc(mysql_proxy, "mysql-proxy:0", cluster02,
pcmk_rsc_match_clone_only
|pcmk_rsc_match_current_node));
/* Fails because mysql-proxy:0 is not running on cluster01, even with the right flags. */
assert_null(native_find_rsc(mysql_proxy, "mysql-proxy:0", cluster01,
pcmk_rsc_match_current_node));
// Fails because pcmk_rsc_match_current_node is required if a node is given
assert_null(native_find_rsc(mysql_proxy, "mysql-proxy:0", cluster02, 0));
/* Passes because mysql-proxy:0 is running on cluster02. */
assert_ptr_equal(mysql_proxy,
native_find_rsc(mysql_proxy, "mysql-proxy:0", cluster02,
pcmk_rsc_match_current_node));
}
/* TODO: Add tests for finding on assigned node (passing a node without
* pcmk_rsc_match_current_node, after scheduling, for a resource that is
* starting/stopping/moving.
*/
PCMK__UNIT_TEST(setup, teardown,
cmocka_unit_test(bad_args),
cmocka_unit_test(primitive_rsc),
cmocka_unit_test(group_rsc),
cmocka_unit_test(inactive_group_rsc),
cmocka_unit_test(group_member_rsc),
cmocka_unit_test(inactive_group_member_rsc),
cmocka_unit_test(clone_rsc),
cmocka_unit_test(inactive_clone_rsc),
cmocka_unit_test(clone_instance_rsc),
cmocka_unit_test(renamed_rsc),
cmocka_unit_test(bundle_rsc),
cmocka_unit_test(bundle_replica_rsc),
cmocka_unit_test(clone_group_rsc),
cmocka_unit_test(clone_group_instance_rsc),
cmocka_unit_test(clone_group_member_rsc))
diff --git a/lib/pengine/unpack.c b/lib/pengine/unpack.c
index 62e0734110..4a680b4db9 100644
--- a/lib/pengine/unpack.c
+++ b/lib/pengine/unpack.c
@@ -1,5168 +1,5168 @@
/*
* 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 <stdio.h>
#include <string.h>
#include <glib.h>
#include <time.h>
#include <crm/crm.h>
#include <crm/services.h>
#include <crm/common/xml.h>
#include <crm/common/xml_internal.h>
#include <crm/common/util.h>
#include <crm/pengine/rules.h>
#include <crm/pengine/internal.h>
#include <pe_status_private.h>
CRM_TRACE_INIT_DATA(pe_status);
// A (parsed) resource action history entry
struct action_history {
pcmk_resource_t *rsc; // Resource that history is for
pcmk_node_t *node; // Node that history is for
xmlNode *xml; // History entry XML
// Parsed from entry XML
const char *id; // XML ID of history entry
const char *key; // Operation key of action
const char *task; // Action name
const char *exit_reason; // Exit reason given for result
guint interval_ms; // Action interval
int call_id; // Call ID of action
int expected_exit_status; // Expected exit status of action
int exit_status; // Actual exit status of action
int execution_status; // Execution status of action
};
/* This uses pcmk__set_flags_as()/pcmk__clear_flags_as() directly rather than
* use pcmk__set_scheduler_flags()/pcmk__clear_scheduler_flags() so that the
* flag is stringified more readably in log messages.
*/
#define set_config_flag(scheduler, option, flag) do { \
GHashTable *config_hash = (scheduler)->config_hash; \
const char *scf_value = pcmk__cluster_option(config_hash, (option)); \
\
if (scf_value != NULL) { \
if (crm_is_true(scf_value)) { \
(scheduler)->flags = pcmk__set_flags_as(__func__, __LINE__, \
LOG_TRACE, "Scheduler", \
crm_system_name, (scheduler)->flags, \
(flag), #flag); \
} else { \
(scheduler)->flags = pcmk__clear_flags_as(__func__, __LINE__, \
LOG_TRACE, "Scheduler", \
crm_system_name, (scheduler)->flags, \
(flag), #flag); \
} \
} \
} while(0)
static void unpack_rsc_op(pcmk_resource_t *rsc, pcmk_node_t *node,
xmlNode *xml_op, xmlNode **last_failure,
enum action_fail_response *failed);
static void determine_remote_online_status(pcmk_scheduler_t *scheduler,
pcmk_node_t *this_node);
static void add_node_attrs(const xmlNode *xml_obj, pcmk_node_t *node,
bool overwrite, pcmk_scheduler_t *scheduler);
static void determine_online_status(const xmlNode *node_state,
pcmk_node_t *this_node,
pcmk_scheduler_t *scheduler);
static void unpack_node_lrm(pcmk_node_t *node, const xmlNode *xml,
pcmk_scheduler_t *scheduler);
static gboolean
is_dangling_guest_node(pcmk_node_t *node)
{
/* we are looking for a remote-node that was supposed to be mapped to a
* container resource, but all traces of that container have disappeared
* from both the config and the status section. */
if (pcmk__is_pacemaker_remote_node(node)
&& (node->details->remote_rsc != NULL)
&& (node->details->remote_rsc->container == NULL)
&& pcmk_is_set(node->details->remote_rsc->flags,
pcmk_rsc_removed_filler)) {
return TRUE;
}
return FALSE;
}
/*!
* \brief Schedule a fence action for a node
*
* \param[in,out] scheduler Scheduler data
* \param[in,out] node Node to fence
* \param[in] reason Text description of why fencing is needed
* \param[in] priority_delay Whether to consider
* \c PCMK_OPT_PRIORITY_FENCING_DELAY
*/
void
pe_fence_node(pcmk_scheduler_t *scheduler, pcmk_node_t *node,
const char *reason, bool priority_delay)
{
CRM_CHECK(node, return);
/* A guest node is fenced by marking its container as failed */
if (pcmk__is_guest_or_bundle_node(node)) {
pcmk_resource_t *rsc = node->details->remote_rsc->container;
if (!pcmk_is_set(rsc->flags, pcmk_rsc_failed)) {
if (!pcmk_is_set(rsc->flags, pcmk_rsc_managed)) {
crm_notice("Not fencing guest node %s "
"(otherwise would because %s): "
"its guest resource %s is unmanaged",
pcmk__node_name(node), reason, rsc->id);
} else {
pcmk__sched_warn("Guest node %s will be fenced "
"(by recovering its guest resource %s): %s",
pcmk__node_name(node), rsc->id, reason);
/* We don't mark the node as unclean because that would prevent the
* node from running resources. We want to allow it to run resources
* in this transition if the recovery succeeds.
*/
node->details->remote_requires_reset = TRUE;
pcmk__set_rsc_flags(rsc,
pcmk_rsc_failed|pcmk_rsc_stop_if_failed);
}
}
} else if (is_dangling_guest_node(node)) {
crm_info("Cleaning up dangling connection for guest node %s: "
"fencing was already done because %s, "
"and guest resource no longer exists",
pcmk__node_name(node), reason);
pcmk__set_rsc_flags(node->details->remote_rsc,
pcmk_rsc_failed|pcmk_rsc_stop_if_failed);
} else if (pcmk__is_remote_node(node)) {
pcmk_resource_t *rsc = node->details->remote_rsc;
if ((rsc != NULL) && !pcmk_is_set(rsc->flags, pcmk_rsc_managed)) {
crm_notice("Not fencing remote node %s "
"(otherwise would because %s): connection is unmanaged",
pcmk__node_name(node), reason);
} else if(node->details->remote_requires_reset == FALSE) {
node->details->remote_requires_reset = TRUE;
pcmk__sched_warn("Remote node %s %s: %s",
pcmk__node_name(node),
pe_can_fence(scheduler, node)? "will be fenced" : "is unclean",
reason);
}
node->details->unclean = TRUE;
// No need to apply PCMK_OPT_PRIORITY_FENCING_DELAY for remote nodes
pe_fence_op(node, NULL, TRUE, reason, FALSE, scheduler);
} else if (node->details->unclean) {
crm_trace("Cluster node %s %s because %s",
pcmk__node_name(node),
pe_can_fence(scheduler, node)? "would also be fenced" : "also is unclean",
reason);
} else {
pcmk__sched_warn("Cluster node %s %s: %s",
pcmk__node_name(node),
pe_can_fence(scheduler, node)? "will be fenced" : "is unclean",
reason);
node->details->unclean = TRUE;
pe_fence_op(node, NULL, TRUE, reason, priority_delay, scheduler);
}
}
// @TODO xpaths can't handle templates, rules, or id-refs
// nvpair with provides or requires set to unfencing
#define XPATH_UNFENCING_NVPAIR PCMK_XE_NVPAIR \
"[(@" PCMK_XA_NAME "='" PCMK_STONITH_PROVIDES "'" \
"or @" PCMK_XA_NAME "='" PCMK_META_REQUIRES "') " \
"and @" PCMK_XA_VALUE "='" PCMK_VALUE_UNFENCING "']"
// unfencing in rsc_defaults or any resource
#define XPATH_ENABLE_UNFENCING \
"/" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION "/" PCMK_XE_RESOURCES \
"//" PCMK_XE_META_ATTRIBUTES "/" XPATH_UNFENCING_NVPAIR \
"|/" PCMK_XE_CIB "/" PCMK_XE_CONFIGURATION "/" PCMK_XE_RSC_DEFAULTS \
"/" PCMK_XE_META_ATTRIBUTES "/" XPATH_UNFENCING_NVPAIR
static void
set_if_xpath(uint64_t flag, const char *xpath, pcmk_scheduler_t *scheduler)
{
xmlXPathObjectPtr result = NULL;
if (!pcmk_is_set(scheduler->flags, flag)) {
result = xpath_search(scheduler->input, xpath);
if (result && (numXpathResults(result) > 0)) {
pcmk__set_scheduler_flags(scheduler, flag);
}
freeXpathObject(result);
}
}
gboolean
unpack_config(xmlNode *config, pcmk_scheduler_t *scheduler)
{
const char *value = NULL;
guint interval_ms = 0U;
GHashTable *config_hash = pcmk__strkey_table(free, free);
pe_rule_eval_data_t rule_data = {
.node_hash = NULL,
.now = scheduler->now,
.match_data = NULL,
.rsc_data = NULL,
.op_data = NULL
};
scheduler->config_hash = config_hash;
pe__unpack_dataset_nvpairs(config, PCMK_XE_CLUSTER_PROPERTY_SET, &rule_data,
config_hash, PCMK_VALUE_CIB_BOOTSTRAP_OPTIONS,
FALSE, scheduler);
pcmk__validate_cluster_options(config_hash);
set_config_flag(scheduler, PCMK_OPT_ENABLE_STARTUP_PROBES,
pcmk_sched_probe_resources);
if (!pcmk_is_set(scheduler->flags, pcmk_sched_probe_resources)) {
crm_info("Startup probes: disabled (dangerous)");
}
value = pcmk__cluster_option(config_hash, PCMK_OPT_HAVE_WATCHDOG);
if (value && crm_is_true(value)) {
crm_info("Watchdog-based self-fencing will be performed via SBD if "
"fencing is required and " PCMK_OPT_STONITH_WATCHDOG_TIMEOUT
" is nonzero");
pcmk__set_scheduler_flags(scheduler, pcmk_sched_have_fencing);
}
/* Set certain flags via xpath here, so they can be used before the relevant
* configuration sections are unpacked.
*/
set_if_xpath(pcmk_sched_enable_unfencing, XPATH_ENABLE_UNFENCING,
scheduler);
value = pcmk__cluster_option(config_hash, PCMK_OPT_STONITH_TIMEOUT);
pcmk_parse_interval_spec(value, &interval_ms);
if (interval_ms >= INT_MAX) {
scheduler->stonith_timeout = INT_MAX;
} else {
scheduler->stonith_timeout = (int) interval_ms;
}
crm_debug("STONITH timeout: %d", scheduler->stonith_timeout);
set_config_flag(scheduler, PCMK_OPT_STONITH_ENABLED,
pcmk_sched_fencing_enabled);
if (pcmk_is_set(scheduler->flags, pcmk_sched_fencing_enabled)) {
crm_debug("STONITH of failed nodes is enabled");
} else {
crm_debug("STONITH of failed nodes is disabled");
}
scheduler->stonith_action = pcmk__cluster_option(config_hash,
PCMK_OPT_STONITH_ACTION);
if (!strcmp(scheduler->stonith_action, PCMK__ACTION_POWEROFF)) {
pcmk__warn_once(pcmk__wo_poweroff,
"Support for " PCMK_OPT_STONITH_ACTION " of "
"'" PCMK__ACTION_POWEROFF "' is deprecated and will be "
"removed in a future release "
"(use '" PCMK_ACTION_OFF "' instead)");
scheduler->stonith_action = PCMK_ACTION_OFF;
}
crm_trace("STONITH will %s nodes", scheduler->stonith_action);
set_config_flag(scheduler, PCMK_OPT_CONCURRENT_FENCING,
pcmk_sched_concurrent_fencing);
if (pcmk_is_set(scheduler->flags, pcmk_sched_concurrent_fencing)) {
crm_debug("Concurrent fencing is enabled");
} else {
crm_debug("Concurrent fencing is disabled");
}
value = pcmk__cluster_option(config_hash, PCMK_OPT_PRIORITY_FENCING_DELAY);
if (value) {
pcmk_parse_interval_spec(value, &interval_ms);
scheduler->priority_fencing_delay = (int) (interval_ms / 1000);
crm_trace("Priority fencing delay is %ds",
scheduler->priority_fencing_delay);
}
set_config_flag(scheduler, PCMK_OPT_STOP_ALL_RESOURCES,
pcmk_sched_stop_all);
crm_debug("Stop all active resources: %s",
pcmk__flag_text(scheduler->flags, pcmk_sched_stop_all));
set_config_flag(scheduler, PCMK_OPT_SYMMETRIC_CLUSTER,
pcmk_sched_symmetric_cluster);
if (pcmk_is_set(scheduler->flags, pcmk_sched_symmetric_cluster)) {
crm_debug("Cluster is symmetric" " - resources can run anywhere by default");
}
value = pcmk__cluster_option(config_hash, PCMK_OPT_NO_QUORUM_POLICY);
if (pcmk__str_eq(value, PCMK_VALUE_IGNORE, pcmk__str_casei)) {
scheduler->no_quorum_policy = pcmk_no_quorum_ignore;
} else if (pcmk__str_eq(value, PCMK_VALUE_FREEZE, pcmk__str_casei)) {
scheduler->no_quorum_policy = pcmk_no_quorum_freeze;
} else if (pcmk__str_eq(value, PCMK_VALUE_DEMOTE, pcmk__str_casei)) {
scheduler->no_quorum_policy = pcmk_no_quorum_demote;
} else if (pcmk__str_eq(value, PCMK_VALUE_FENCE_LEGACY, pcmk__str_casei)) {
if (pcmk_is_set(scheduler->flags, pcmk_sched_fencing_enabled)) {
int do_panic = 0;
crm_element_value_int(scheduler->input, PCMK_XA_NO_QUORUM_PANIC,
&do_panic);
if (do_panic || pcmk_is_set(scheduler->flags, pcmk_sched_quorate)) {
scheduler->no_quorum_policy = pcmk_no_quorum_fence;
} else {
crm_notice("Resetting " PCMK_OPT_NO_QUORUM_POLICY
" to 'stop': cluster has never had quorum");
scheduler->no_quorum_policy = pcmk_no_quorum_stop;
}
} else {
pcmk__config_err("Resetting " PCMK_OPT_NO_QUORUM_POLICY
" to 'stop' because fencing is disabled");
scheduler->no_quorum_policy = pcmk_no_quorum_stop;
}
} else {
scheduler->no_quorum_policy = pcmk_no_quorum_stop;
}
switch (scheduler->no_quorum_policy) {
case pcmk_no_quorum_freeze:
crm_debug("On loss of quorum: Freeze resources");
break;
case pcmk_no_quorum_stop:
crm_debug("On loss of quorum: Stop ALL resources");
break;
case pcmk_no_quorum_demote:
crm_debug("On loss of quorum: "
"Demote promotable resources and stop other resources");
break;
case pcmk_no_quorum_fence:
crm_notice("On loss of quorum: Fence all remaining nodes");
break;
case pcmk_no_quorum_ignore:
crm_notice("On loss of quorum: Ignore");
break;
}
set_config_flag(scheduler, PCMK_OPT_STOP_ORPHAN_RESOURCES,
pcmk_sched_stop_removed_resources);
if (pcmk_is_set(scheduler->flags, pcmk_sched_stop_removed_resources)) {
crm_trace("Orphan resources are stopped");
} else {
crm_trace("Orphan resources are ignored");
}
set_config_flag(scheduler, PCMK_OPT_STOP_ORPHAN_ACTIONS,
pcmk_sched_cancel_removed_actions);
if (pcmk_is_set(scheduler->flags, pcmk_sched_cancel_removed_actions)) {
crm_trace("Orphan resource actions are stopped");
} else {
crm_trace("Orphan resource actions are ignored");
}
value = pcmk__cluster_option(config_hash, PCMK__OPT_REMOVE_AFTER_STOP);
if (value != NULL) {
if (crm_is_true(value)) {
pcmk__set_scheduler_flags(scheduler, pcmk_sched_remove_after_stop);
pcmk__warn_once(pcmk__wo_remove_after,
"Support for the " PCMK__OPT_REMOVE_AFTER_STOP
" cluster property is deprecated and will be "
"removed in a future release");
} else {
pcmk__clear_scheduler_flags(scheduler,
pcmk_sched_remove_after_stop);
}
}
set_config_flag(scheduler, PCMK_OPT_MAINTENANCE_MODE,
pcmk_sched_in_maintenance);
crm_trace("Maintenance mode: %s",
pcmk__flag_text(scheduler->flags, pcmk_sched_in_maintenance));
set_config_flag(scheduler, PCMK_OPT_START_FAILURE_IS_FATAL,
pcmk_sched_start_failure_fatal);
if (pcmk_is_set(scheduler->flags, pcmk_sched_start_failure_fatal)) {
crm_trace("Start failures are always fatal");
} else {
crm_trace("Start failures are handled by failcount");
}
if (pcmk_is_set(scheduler->flags, pcmk_sched_fencing_enabled)) {
set_config_flag(scheduler, PCMK_OPT_STARTUP_FENCING,
pcmk_sched_startup_fencing);
}
if (pcmk_is_set(scheduler->flags, pcmk_sched_startup_fencing)) {
crm_trace("Unseen nodes will be fenced");
} else {
pcmk__warn_once(pcmk__wo_blind,
"Blind faith: not fencing unseen nodes");
}
pe__unpack_node_health_scores(scheduler);
scheduler->placement_strategy =
pcmk__cluster_option(config_hash, PCMK_OPT_PLACEMENT_STRATEGY);
crm_trace("Placement strategy: %s", scheduler->placement_strategy);
set_config_flag(scheduler, PCMK_OPT_SHUTDOWN_LOCK,
pcmk_sched_shutdown_lock);
if (pcmk_is_set(scheduler->flags, pcmk_sched_shutdown_lock)) {
value = pcmk__cluster_option(config_hash, PCMK_OPT_SHUTDOWN_LOCK_LIMIT);
pcmk_parse_interval_spec(value, &(scheduler->shutdown_lock));
scheduler->shutdown_lock /= 1000;
crm_trace("Resources will be locked to nodes that were cleanly "
"shut down (locks expire after %s)",
pcmk__readable_interval(scheduler->shutdown_lock));
} else {
crm_trace("Resources will not be locked to nodes that were cleanly "
"shut down");
}
value = pcmk__cluster_option(config_hash, PCMK_OPT_NODE_PENDING_TIMEOUT);
pcmk_parse_interval_spec(value, &(scheduler->node_pending_timeout));
scheduler->node_pending_timeout /= 1000;
if (scheduler->node_pending_timeout == 0) {
crm_trace("Do not fence pending nodes");
} else {
crm_trace("Fence pending nodes after %s",
pcmk__readable_interval(scheduler->node_pending_timeout
* 1000));
}
return TRUE;
}
pcmk_node_t *
pe_create_node(const char *id, const char *uname, const char *type,
const char *score, pcmk_scheduler_t *scheduler)
{
pcmk_node_t *new_node = NULL;
if (pcmk_find_node(scheduler, uname) != NULL) {
pcmk__config_warn("More than one node entry has name '%s'", uname);
}
new_node = calloc(1, sizeof(pcmk_node_t));
if (new_node == NULL) {
pcmk__sched_err("Could not allocate memory for node %s", uname);
return NULL;
}
new_node->weight = char2score(score);
new_node->details = calloc(1, sizeof(struct pe_node_shared_s));
if (new_node->details == NULL) {
free(new_node);
pcmk__sched_err("Could not allocate memory for node %s", uname);
return NULL;
}
crm_trace("Creating node for entry %s/%s", uname, id);
new_node->details->id = id;
new_node->details->uname = uname;
new_node->details->online = FALSE;
new_node->details->shutdown = FALSE;
new_node->details->rsc_discovery_enabled = TRUE;
new_node->details->running_rsc = NULL;
new_node->details->data_set = scheduler;
if (pcmk__str_eq(type, PCMK_VALUE_MEMBER,
pcmk__str_null_matches|pcmk__str_casei)) {
new_node->details->type = pcmk_node_variant_cluster;
} else if (pcmk__str_eq(type, PCMK_VALUE_REMOTE, pcmk__str_casei)) {
new_node->details->type = pcmk_node_variant_remote;
pcmk__set_scheduler_flags(scheduler, pcmk_sched_have_remote_nodes);
} else {
/* @COMPAT 'ping' is the default for backward compatibility, but it
* should be changed to 'member' at a compatibility break
*/
if (!pcmk__str_eq(type, PCMK__VALUE_PING, pcmk__str_casei)) {
pcmk__config_warn("Node %s has unrecognized type '%s', "
"assuming '" PCMK__VALUE_PING "'",
pcmk__s(uname, "without name"), type);
}
pcmk__warn_once(pcmk__wo_ping_node,
"Support for nodes of type '" PCMK__VALUE_PING "' "
"(such as %s) is deprecated and will be removed in a "
"future release",
pcmk__s(uname, "unnamed node"));
new_node->details->type = node_ping;
}
new_node->details->attrs = pcmk__strkey_table(free, free);
if (pcmk__is_pacemaker_remote_node(new_node)) {
pcmk__insert_dup(new_node->details->attrs, CRM_ATTR_KIND, "remote");
} else {
pcmk__insert_dup(new_node->details->attrs, CRM_ATTR_KIND, "cluster");
}
new_node->details->utilization = pcmk__strkey_table(free, free);
new_node->details->digest_cache = pcmk__strkey_table(free,
pe__free_digests);
scheduler->nodes = g_list_insert_sorted(scheduler->nodes, new_node,
pe__cmp_node_name);
return new_node;
}
static const char *
expand_remote_rsc_meta(xmlNode *xml_obj, xmlNode *parent, pcmk_scheduler_t *data)
{
xmlNode *attr_set = NULL;
xmlNode *attr = NULL;
const char *container_id = pcmk__xe_id(xml_obj);
const char *remote_name = NULL;
const char *remote_server = NULL;
const char *remote_port = NULL;
const char *connect_timeout = "60s";
const char *remote_allow_migrate=NULL;
const char *is_managed = NULL;
for (attr_set = pcmk__xe_first_child(xml_obj, NULL, NULL, NULL);
attr_set != NULL; attr_set = pcmk__xe_next(attr_set)) {
if (!pcmk__xe_is(attr_set, PCMK_XE_META_ATTRIBUTES)) {
continue;
}
for (attr = pcmk__xe_first_child(attr_set, NULL, NULL, NULL);
attr != NULL; attr = pcmk__xe_next(attr)) {
const char *value = crm_element_value(attr, PCMK_XA_VALUE);
const char *name = crm_element_value(attr, PCMK_XA_NAME);
if (name == NULL) { // Sanity
continue;
}
if (strcmp(name, PCMK_META_REMOTE_NODE) == 0) {
remote_name = value;
} else if (strcmp(name, PCMK_META_REMOTE_ADDR) == 0) {
remote_server = value;
} else if (strcmp(name, PCMK_META_REMOTE_PORT) == 0) {
remote_port = value;
} else if (strcmp(name, PCMK_META_REMOTE_CONNECT_TIMEOUT) == 0) {
connect_timeout = value;
} else if (strcmp(name, PCMK_META_REMOTE_ALLOW_MIGRATE) == 0) {
remote_allow_migrate = value;
} else if (strcmp(name, PCMK_META_IS_MANAGED) == 0) {
is_managed = value;
}
}
}
if (remote_name == NULL) {
return NULL;
}
if (pe_find_resource(data->resources, remote_name) != NULL) {
return NULL;
}
pe_create_remote_xml(parent, remote_name, container_id,
remote_allow_migrate, is_managed,
connect_timeout, remote_server, remote_port);
return remote_name;
}
static void
handle_startup_fencing(pcmk_scheduler_t *scheduler, pcmk_node_t *new_node)
{
if ((new_node->details->type == pcmk_node_variant_remote)
&& (new_node->details->remote_rsc == NULL)) {
/* Ignore fencing for remote nodes that don't have a connection resource
* associated with them. This happens when remote node entries get left
* in the nodes section after the connection resource is removed.
*/
return;
}
if (pcmk_is_set(scheduler->flags, pcmk_sched_startup_fencing)) {
// All nodes are unclean until we've seen their status entry
new_node->details->unclean = TRUE;
} else {
// Blind faith ...
new_node->details->unclean = FALSE;
}
/* We need to be able to determine if a node's status section
* exists or not separate from whether the node is unclean. */
new_node->details->unseen = TRUE;
}
gboolean
unpack_nodes(xmlNode *xml_nodes, pcmk_scheduler_t *scheduler)
{
xmlNode *xml_obj = NULL;
pcmk_node_t *new_node = NULL;
const char *id = NULL;
const char *uname = NULL;
const char *type = NULL;
const char *score = NULL;
for (xml_obj = pcmk__xe_first_child(xml_nodes, NULL, NULL, NULL);
xml_obj != NULL; xml_obj = pcmk__xe_next(xml_obj)) {
if (pcmk__xe_is(xml_obj, PCMK_XE_NODE)) {
new_node = NULL;
id = crm_element_value(xml_obj, PCMK_XA_ID);
uname = crm_element_value(xml_obj, PCMK_XA_UNAME);
type = crm_element_value(xml_obj, PCMK_XA_TYPE);
score = crm_element_value(xml_obj, PCMK_XA_SCORE);
crm_trace("Processing node %s/%s", uname, id);
if (id == NULL) {
pcmk__config_err("Ignoring <" PCMK_XE_NODE
"> entry in configuration without id");
continue;
}
new_node = pe_create_node(id, uname, type, score, scheduler);
if (new_node == NULL) {
return FALSE;
}
handle_startup_fencing(scheduler, new_node);
add_node_attrs(xml_obj, new_node, FALSE, scheduler);
crm_trace("Done with node %s",
crm_element_value(xml_obj, PCMK_XA_UNAME));
}
}
if (scheduler->localhost
&& (pcmk_find_node(scheduler, scheduler->localhost) == NULL)) {
crm_info("Creating a fake local node");
pe_create_node(scheduler->localhost, scheduler->localhost, NULL, 0,
scheduler);
}
return TRUE;
}
static void
setup_container(pcmk_resource_t *rsc, pcmk_scheduler_t *scheduler)
{
const char *container_id = NULL;
if (rsc->children) {
g_list_foreach(rsc->children, (GFunc) setup_container, scheduler);
return;
}
container_id = g_hash_table_lookup(rsc->meta, PCMK__META_CONTAINER);
if (container_id && !pcmk__str_eq(container_id, rsc->id, pcmk__str_casei)) {
pcmk_resource_t *container = pe_find_resource(scheduler->resources,
container_id);
if (container) {
rsc->container = container;
pcmk__set_rsc_flags(container, pcmk_rsc_has_filler);
container->fillers = g_list_append(container->fillers, rsc);
pcmk__rsc_trace(rsc, "Resource %s's container is %s",
rsc->id, container_id);
} else {
pcmk__config_err("Resource %s: Unknown resource container (%s)",
rsc->id, container_id);
}
}
}
gboolean
unpack_remote_nodes(xmlNode *xml_resources, pcmk_scheduler_t *scheduler)
{
xmlNode *xml_obj = NULL;
/* Create remote nodes and guest nodes from the resource configuration
* before unpacking resources.
*/
for (xml_obj = pcmk__xe_first_child(xml_resources, NULL, NULL, NULL);
xml_obj != NULL; xml_obj = pcmk__xe_next(xml_obj)) {
const char *new_node_id = NULL;
/* Check for remote nodes, which are defined by ocf:pacemaker:remote
* primitives.
*/
if (xml_contains_remote_node(xml_obj)) {
new_node_id = pcmk__xe_id(xml_obj);
/* The pcmk_find_node() check ensures we don't iterate over an
* expanded node that has already been added to the node list
*/
if (new_node_id
&& (pcmk_find_node(scheduler, new_node_id) == NULL)) {
crm_trace("Found remote node %s defined by resource %s",
new_node_id, pcmk__xe_id(xml_obj));
pe_create_node(new_node_id, new_node_id, PCMK_VALUE_REMOTE,
NULL, scheduler);
}
continue;
}
/* Check for guest nodes, which are defined by special meta-attributes
* of a primitive of any type (for example, VirtualDomain or Xen).
*/
if (pcmk__xe_is(xml_obj, PCMK_XE_PRIMITIVE)) {
/* This will add an ocf:pacemaker:remote primitive to the
* configuration for the guest node's connection, to be unpacked
* later.
*/
new_node_id = expand_remote_rsc_meta(xml_obj, xml_resources,
scheduler);
if (new_node_id
&& (pcmk_find_node(scheduler, new_node_id) == NULL)) {
crm_trace("Found guest node %s in resource %s",
new_node_id, pcmk__xe_id(xml_obj));
pe_create_node(new_node_id, new_node_id, PCMK_VALUE_REMOTE,
NULL, scheduler);
}
continue;
}
/* Check for guest nodes inside a group. Clones are currently not
* supported as guest nodes.
*/
if (pcmk__xe_is(xml_obj, PCMK_XE_GROUP)) {
xmlNode *xml_obj2 = NULL;
for (xml_obj2 = pcmk__xe_first_child(xml_obj, NULL, NULL, NULL);
xml_obj2 != NULL; xml_obj2 = pcmk__xe_next(xml_obj2)) {
new_node_id = expand_remote_rsc_meta(xml_obj2, xml_resources,
scheduler);
if (new_node_id
&& (pcmk_find_node(scheduler, new_node_id) == NULL)) {
crm_trace("Found guest node %s in resource %s inside group %s",
new_node_id, pcmk__xe_id(xml_obj2),
pcmk__xe_id(xml_obj));
pe_create_node(new_node_id, new_node_id, PCMK_VALUE_REMOTE,
NULL, scheduler);
}
}
}
}
return TRUE;
}
/* Call this after all the nodes and resources have been
* unpacked, but before the status section is read.
*
* A remote node's online status is reflected by the state
* of the remote node's connection resource. We need to link
* the remote node to this connection resource so we can have
* easy access to the connection resource during the scheduler calculations.
*/
static void
link_rsc2remotenode(pcmk_scheduler_t *scheduler, pcmk_resource_t *new_rsc)
{
pcmk_node_t *remote_node = NULL;
if (new_rsc->is_remote_node == FALSE) {
return;
}
if (pcmk_is_set(scheduler->flags, pcmk_sched_location_only)) {
/* remote_nodes and remote_resources are not linked in quick location calculations */
return;
}
remote_node = pcmk_find_node(scheduler, new_rsc->id);
CRM_CHECK(remote_node != NULL, return);
pcmk__rsc_trace(new_rsc, "Linking remote connection resource %s to %s",
new_rsc->id, pcmk__node_name(remote_node));
remote_node->details->remote_rsc = new_rsc;
if (new_rsc->container == NULL) {
/* Handle start-up fencing for remote nodes (as opposed to guest nodes)
* the same as is done for cluster nodes.
*/
handle_startup_fencing(scheduler, remote_node);
} else {
/* pe_create_node() marks the new node as "remote" or "cluster"; now
* that we know the node is a guest node, update it correctly.
*/
pcmk__insert_dup(remote_node->details->attrs,
CRM_ATTR_KIND, "container");
}
}
static void
destroy_tag(gpointer data)
{
pcmk_tag_t *tag = data;
if (tag) {
free(tag->id);
g_list_free_full(tag->refs, free);
free(tag);
}
}
/*!
* \internal
* \brief Parse configuration XML for resource information
*
* \param[in] xml_resources Top of resource configuration XML
* \param[in,out] scheduler Scheduler data
*
* \return TRUE
*
* \note unpack_remote_nodes() MUST be called before this, so that the nodes can
* be used when pe__unpack_resource() calls resource_location()
*/
gboolean
unpack_resources(const xmlNode *xml_resources, pcmk_scheduler_t *scheduler)
{
xmlNode *xml_obj = NULL;
GList *gIter = NULL;
scheduler->template_rsc_sets = pcmk__strkey_table(free, destroy_tag);
for (xml_obj = pcmk__xe_first_child(xml_resources, NULL, NULL, NULL);
xml_obj != NULL; xml_obj = pcmk__xe_next(xml_obj)) {
pcmk_resource_t *new_rsc = NULL;
const char *id = pcmk__xe_id(xml_obj);
if (pcmk__str_empty(id)) {
pcmk__config_err("Ignoring <%s> resource without ID",
xml_obj->name);
continue;
}
if (pcmk__xe_is(xml_obj, PCMK_XE_TEMPLATE)) {
if (g_hash_table_lookup_extended(scheduler->template_rsc_sets, id,
NULL, NULL) == FALSE) {
/* Record the template's ID for the knowledge of its existence anyway. */
pcmk__insert_dup(scheduler->template_rsc_sets, id, NULL);
}
continue;
}
crm_trace("Unpacking <%s " PCMK_XA_ID "='%s'>", xml_obj->name, id);
if (pe__unpack_resource(xml_obj, &new_rsc, NULL,
scheduler) == pcmk_rc_ok) {
scheduler->resources = g_list_append(scheduler->resources, new_rsc);
pcmk__rsc_trace(new_rsc, "Added resource %s", new_rsc->id);
} else {
pcmk__config_err("Ignoring <%s> resource '%s' "
"because configuration is invalid",
xml_obj->name, id);
}
}
for (gIter = scheduler->resources; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *rsc = (pcmk_resource_t *) gIter->data;
setup_container(rsc, scheduler);
link_rsc2remotenode(scheduler, rsc);
}
scheduler->resources = g_list_sort(scheduler->resources,
pe__cmp_rsc_priority);
if (pcmk_is_set(scheduler->flags, pcmk_sched_location_only)) {
/* Ignore */
} else if (pcmk_is_set(scheduler->flags, pcmk_sched_fencing_enabled)
&& !pcmk_is_set(scheduler->flags, pcmk_sched_have_fencing)) {
pcmk__config_err("Resource start-up disabled since no STONITH resources have been defined");
pcmk__config_err("Either configure some or disable STONITH with the "
PCMK_OPT_STONITH_ENABLED " option");
pcmk__config_err("NOTE: Clusters with shared data need STONITH to ensure data integrity");
}
return TRUE;
}
gboolean
unpack_tags(xmlNode *xml_tags, pcmk_scheduler_t *scheduler)
{
xmlNode *xml_tag = NULL;
scheduler->tags = pcmk__strkey_table(free, destroy_tag);
for (xml_tag = pcmk__xe_first_child(xml_tags, NULL, NULL, NULL);
xml_tag != NULL; xml_tag = pcmk__xe_next(xml_tag)) {
xmlNode *xml_obj_ref = NULL;
const char *tag_id = pcmk__xe_id(xml_tag);
if (!pcmk__xe_is(xml_tag, PCMK_XE_TAG)) {
continue;
}
if (tag_id == NULL) {
pcmk__config_err("Ignoring <%s> without " PCMK_XA_ID,
(const char *) xml_tag->name);
continue;
}
for (xml_obj_ref = pcmk__xe_first_child(xml_tag, NULL, NULL, NULL);
xml_obj_ref != NULL; xml_obj_ref = pcmk__xe_next(xml_obj_ref)) {
const char *obj_ref = pcmk__xe_id(xml_obj_ref);
if (!pcmk__xe_is(xml_obj_ref, PCMK_XE_OBJ_REF)) {
continue;
}
if (obj_ref == NULL) {
pcmk__config_err("Ignoring <%s> for tag '%s' without " PCMK_XA_ID,
xml_obj_ref->name, tag_id);
continue;
}
if (add_tag_ref(scheduler->tags, tag_id, obj_ref) == FALSE) {
return FALSE;
}
}
}
return TRUE;
}
/* The ticket state section:
* "/cib/status/tickets/ticket_state" */
static gboolean
unpack_ticket_state(xmlNode *xml_ticket, pcmk_scheduler_t *scheduler)
{
const char *ticket_id = NULL;
const char *granted = NULL;
const char *last_granted = NULL;
const char *standby = NULL;
xmlAttrPtr xIter = NULL;
pcmk_ticket_t *ticket = NULL;
ticket_id = pcmk__xe_id(xml_ticket);
if (pcmk__str_empty(ticket_id)) {
return FALSE;
}
crm_trace("Processing ticket state for %s", ticket_id);
ticket = g_hash_table_lookup(scheduler->tickets, ticket_id);
if (ticket == NULL) {
ticket = ticket_new(ticket_id, scheduler);
if (ticket == NULL) {
return FALSE;
}
}
for (xIter = xml_ticket->properties; xIter; xIter = xIter->next) {
const char *prop_name = (const char *)xIter->name;
const char *prop_value = pcmk__xml_attr_value(xIter);
if (pcmk__str_eq(prop_name, PCMK_XA_ID, pcmk__str_none)) {
continue;
}
pcmk__insert_dup(ticket->state, prop_name, prop_value);
}
granted = g_hash_table_lookup(ticket->state, PCMK__XA_GRANTED);
if (granted && crm_is_true(granted)) {
ticket->granted = TRUE;
crm_info("We have ticket '%s'", ticket->id);
} else {
ticket->granted = FALSE;
crm_info("We do not have ticket '%s'", ticket->id);
}
last_granted = g_hash_table_lookup(ticket->state, PCMK_XA_LAST_GRANTED);
if (last_granted) {
long long last_granted_ll;
pcmk__scan_ll(last_granted, &last_granted_ll, 0LL);
ticket->last_granted = (time_t) last_granted_ll;
}
standby = g_hash_table_lookup(ticket->state, PCMK_XA_STANDBY);
if (standby && crm_is_true(standby)) {
ticket->standby = TRUE;
if (ticket->granted) {
crm_info("Granted ticket '%s' is in standby-mode", ticket->id);
}
} else {
ticket->standby = FALSE;
}
crm_trace("Done with ticket state for %s", ticket_id);
return TRUE;
}
static gboolean
unpack_tickets_state(xmlNode *xml_tickets, pcmk_scheduler_t *scheduler)
{
xmlNode *xml_obj = NULL;
for (xml_obj = pcmk__xe_first_child(xml_tickets, NULL, NULL, NULL);
xml_obj != NULL; xml_obj = pcmk__xe_next(xml_obj)) {
if (!pcmk__xe_is(xml_obj, PCMK__XE_TICKET_STATE)) {
continue;
}
unpack_ticket_state(xml_obj, scheduler);
}
return TRUE;
}
static void
unpack_handle_remote_attrs(pcmk_node_t *this_node, const xmlNode *state,
pcmk_scheduler_t *scheduler)
{
const char *discovery = NULL;
const xmlNode *attrs = NULL;
pcmk_resource_t *rsc = NULL;
if (!pcmk__xe_is(state, PCMK__XE_NODE_STATE)) {
return;
}
if ((this_node == NULL) || !pcmk__is_pacemaker_remote_node(this_node)) {
return;
}
crm_trace("Processing Pacemaker Remote node %s",
pcmk__node_name(this_node));
pcmk__scan_min_int(crm_element_value(state, PCMK__XA_NODE_IN_MAINTENANCE),
&(this_node->details->remote_maintenance), 0);
rsc = this_node->details->remote_rsc;
if (this_node->details->remote_requires_reset == FALSE) {
this_node->details->unclean = FALSE;
this_node->details->unseen = FALSE;
}
attrs = pcmk__xe_first_child(state, PCMK__XE_TRANSIENT_ATTRIBUTES, NULL,
NULL);
add_node_attrs(attrs, this_node, TRUE, scheduler);
if (pe__shutdown_requested(this_node)) {
crm_info("%s is shutting down", pcmk__node_name(this_node));
this_node->details->shutdown = TRUE;
}
if (crm_is_true(pcmk__node_attr(this_node, PCMK_NODE_ATTR_STANDBY, NULL,
pcmk__rsc_node_current))) {
crm_info("%s is in standby mode", pcmk__node_name(this_node));
this_node->details->standby = TRUE;
}
if (crm_is_true(pcmk__node_attr(this_node, PCMK_NODE_ATTR_MAINTENANCE, NULL,
pcmk__rsc_node_current))
|| ((rsc != NULL) && !pcmk_is_set(rsc->flags, pcmk_rsc_managed))) {
crm_info("%s is in maintenance mode", pcmk__node_name(this_node));
this_node->details->maintenance = TRUE;
}
discovery = pcmk__node_attr(this_node,
PCMK__NODE_ATTR_RESOURCE_DISCOVERY_ENABLED,
NULL, pcmk__rsc_node_current);
if ((discovery != NULL) && !crm_is_true(discovery)) {
pcmk__warn_once(pcmk__wo_rdisc_enabled,
"Support for the "
PCMK__NODE_ATTR_RESOURCE_DISCOVERY_ENABLED
" node attribute is deprecated and will be removed"
" (and behave as 'true') in a future release.");
if (pcmk__is_remote_node(this_node)
&& !pcmk_is_set(scheduler->flags, pcmk_sched_fencing_enabled)) {
pcmk__config_warn("Ignoring "
PCMK__NODE_ATTR_RESOURCE_DISCOVERY_ENABLED
" attribute on Pacemaker Remote node %s"
" because fencing is disabled",
pcmk__node_name(this_node));
} else {
/* This is either a remote node with fencing enabled, or a guest
* node. We don't care whether fencing is enabled when fencing guest
* nodes, because they are "fenced" by recovering their containing
* resource.
*/
crm_info("%s has resource discovery disabled",
pcmk__node_name(this_node));
this_node->details->rsc_discovery_enabled = FALSE;
}
}
}
/*!
* \internal
* \brief Unpack a cluster node's transient attributes
*
* \param[in] state CIB node state XML
* \param[in,out] node Cluster node whose attributes are being unpacked
* \param[in,out] scheduler Scheduler data
*/
static void
unpack_transient_attributes(const xmlNode *state, pcmk_node_t *node,
pcmk_scheduler_t *scheduler)
{
const char *discovery = NULL;
const xmlNode *attrs = pcmk__xe_first_child(state,
PCMK__XE_TRANSIENT_ATTRIBUTES,
NULL, NULL);
add_node_attrs(attrs, node, TRUE, scheduler);
if (crm_is_true(pcmk__node_attr(node, PCMK_NODE_ATTR_STANDBY, NULL,
pcmk__rsc_node_current))) {
crm_info("%s is in standby mode", pcmk__node_name(node));
node->details->standby = TRUE;
}
if (crm_is_true(pcmk__node_attr(node, PCMK_NODE_ATTR_MAINTENANCE, NULL,
pcmk__rsc_node_current))) {
crm_info("%s is in maintenance mode", pcmk__node_name(node));
node->details->maintenance = TRUE;
}
discovery = pcmk__node_attr(node,
PCMK__NODE_ATTR_RESOURCE_DISCOVERY_ENABLED,
NULL, pcmk__rsc_node_current);
if ((discovery != NULL) && !crm_is_true(discovery)) {
pcmk__config_warn("Ignoring "
PCMK__NODE_ATTR_RESOURCE_DISCOVERY_ENABLED
" attribute for %s because disabling resource"
" discovery is not allowed for cluster nodes",
pcmk__node_name(node));
}
}
/*!
* \internal
* \brief Unpack a node state entry (first pass)
*
* Unpack one node state entry from status. This unpacks information from the
* \C PCMK__XE_NODE_STATE element itself and node attributes inside it, but not
* the resource history inside it. Multiple passes through the status are needed
* to fully unpack everything.
*
* \param[in] state CIB node state XML
* \param[in,out] scheduler Scheduler data
*/
static void
unpack_node_state(const xmlNode *state, pcmk_scheduler_t *scheduler)
{
const char *id = NULL;
const char *uname = NULL;
pcmk_node_t *this_node = NULL;
id = crm_element_value(state, PCMK_XA_ID);
if (id == NULL) {
pcmk__config_err("Ignoring invalid " PCMK__XE_NODE_STATE " entry without "
PCMK_XA_ID);
crm_log_xml_info(state, "missing-id");
return;
}
uname = crm_element_value(state, PCMK_XA_UNAME);
if (uname == NULL) {
/* If a joining peer makes the cluster acquire the quorum from corosync
* meanwhile it has not joined CPG membership of pacemaker-controld yet,
* it's possible that the created PCMK__XE_NODE_STATE entry doesn't have
* a PCMK_XA_UNAME yet. We should recognize the node as `pending` and
* wait for it to join CPG.
*/
crm_trace("Handling " PCMK__XE_NODE_STATE " entry with id=\"%s\" "
"without " PCMK_XA_UNAME,
id);
}
this_node = pe_find_node_any(scheduler->nodes, id, uname);
if (this_node == NULL) {
crm_notice("Ignoring recorded state for removed node with name %s and "
PCMK_XA_ID " %s", pcmk__s(uname, "unknown"), id);
return;
}
if (pcmk__is_pacemaker_remote_node(this_node)) {
/* We can't determine the online status of Pacemaker Remote nodes until
* after all resource history has been unpacked. In this first pass, we
* do need to mark whether the node has been fenced, as this plays a
* role during unpacking cluster node resource state.
*/
pcmk__scan_min_int(crm_element_value(state, PCMK__XA_NODE_FENCED),
&(this_node->details->remote_was_fenced), 0);
return;
}
unpack_transient_attributes(state, this_node, scheduler);
/* Provisionally mark this cluster node as clean. We have at least seen it
* in the current cluster's lifetime.
*/
this_node->details->unclean = FALSE;
this_node->details->unseen = FALSE;
crm_trace("Determining online status of cluster node %s (id %s)",
pcmk__node_name(this_node), id);
determine_online_status(state, this_node, scheduler);
if (!pcmk_is_set(scheduler->flags, pcmk_sched_quorate)
&& this_node->details->online
&& (scheduler->no_quorum_policy == pcmk_no_quorum_fence)) {
/* Everything else should flow from this automatically
* (at least until the scheduler becomes able to migrate off
* healthy resources)
*/
pe_fence_node(scheduler, this_node, "cluster does not have quorum",
FALSE);
}
}
/*!
* \internal
* \brief Unpack nodes' resource history as much as possible
*
* Unpack as many nodes' resource history as possible in one pass through the
* status. We need to process Pacemaker Remote nodes' connections/containers
* before unpacking their history; the connection/container history will be
* in another node's history, so it might take multiple passes to unpack
* everything.
*
* \param[in] status CIB XML status section
* \param[in] fence If true, treat any not-yet-unpacked nodes as unseen
* \param[in,out] scheduler Scheduler data
*
* \return Standard Pacemaker return code (specifically pcmk_rc_ok if done,
* or EAGAIN if more unpacking remains to be done)
*/
static int
unpack_node_history(const xmlNode *status, bool fence,
pcmk_scheduler_t *scheduler)
{
int rc = pcmk_rc_ok;
// Loop through all PCMK__XE_NODE_STATE entries in CIB status
for (const xmlNode *state = pcmk__xe_first_child(status,
PCMK__XE_NODE_STATE, NULL,
NULL);
state != NULL; state = pcmk__xe_next_same(state)) {
const char *id = pcmk__xe_id(state);
const char *uname = crm_element_value(state, PCMK_XA_UNAME);
pcmk_node_t *this_node = NULL;
if ((id == NULL) || (uname == NULL)) {
// Warning already logged in first pass through status section
crm_trace("Not unpacking resource history from malformed "
PCMK__XE_NODE_STATE " without id and/or uname");
continue;
}
this_node = pe_find_node_any(scheduler->nodes, id, uname);
if (this_node == NULL) {
// Warning already logged in first pass through status section
crm_trace("Not unpacking resource history for node %s because "
"no longer in configuration", id);
continue;
}
if (this_node->details->unpacked) {
crm_trace("Not unpacking resource history for node %s because "
"already unpacked", id);
continue;
}
if (fence) {
// We're processing all remaining nodes
} else if (pcmk__is_guest_or_bundle_node(this_node)) {
/* We can unpack a guest node's history only after we've unpacked
* other resource history to the point that we know that the node's
* connection and containing resource are both up.
*/
pcmk_resource_t *rsc = this_node->details->remote_rsc;
if ((rsc == NULL) || (rsc->role != pcmk_role_started)
|| (rsc->container->role != pcmk_role_started)) {
crm_trace("Not unpacking resource history for guest node %s "
"because container and connection are not known to "
"be up", id);
continue;
}
} else if (pcmk__is_remote_node(this_node)) {
/* We can unpack a remote node's history only after we've unpacked
* other resource history to the point that we know that the node's
* connection is up, with the exception of when shutdown locks are
* in use.
*/
pcmk_resource_t *rsc = this_node->details->remote_rsc;
if ((rsc == NULL)
|| (!pcmk_is_set(scheduler->flags, pcmk_sched_shutdown_lock)
&& (rsc->role != pcmk_role_started))) {
crm_trace("Not unpacking resource history for remote node %s "
"because connection is not known to be up", id);
continue;
}
/* If fencing and shutdown locks are disabled and we're not processing
* unseen nodes, then we don't want to unpack offline nodes until online
* nodes have been unpacked. This allows us to number active clone
* instances first.
*/
} else if (!pcmk_any_flags_set(scheduler->flags,
pcmk_sched_fencing_enabled
|pcmk_sched_shutdown_lock)
&& !this_node->details->online) {
crm_trace("Not unpacking resource history for offline "
"cluster node %s", id);
continue;
}
if (pcmk__is_pacemaker_remote_node(this_node)) {
determine_remote_online_status(scheduler, this_node);
unpack_handle_remote_attrs(this_node, state, scheduler);
}
crm_trace("Unpacking resource history for %snode %s",
(fence? "unseen " : ""), id);
this_node->details->unpacked = TRUE;
unpack_node_lrm(this_node, state, scheduler);
rc = EAGAIN; // Other node histories might depend on this one
}
return rc;
}
/* remove nodes that are down, stopping */
/* create positive rsc_to_node constraints between resources and the nodes they are running on */
/* anything else? */
gboolean
unpack_status(xmlNode *status, pcmk_scheduler_t *scheduler)
{
xmlNode *state = NULL;
crm_trace("Beginning unpack");
if (scheduler->tickets == NULL) {
scheduler->tickets = pcmk__strkey_table(free, destroy_ticket);
}
for (state = pcmk__xe_first_child(status, NULL, NULL, NULL); state != NULL;
state = pcmk__xe_next(state)) {
if (pcmk__xe_is(state, PCMK_XE_TICKETS)) {
unpack_tickets_state((xmlNode *) state, scheduler);
} else if (pcmk__xe_is(state, PCMK__XE_NODE_STATE)) {
unpack_node_state(state, scheduler);
}
}
while (unpack_node_history(status, FALSE, scheduler) == EAGAIN) {
crm_trace("Another pass through node resource histories is needed");
}
// Now catch any nodes we didn't see
unpack_node_history(status,
pcmk_is_set(scheduler->flags,
pcmk_sched_fencing_enabled),
scheduler);
/* Now that we know where resources are, we can schedule stops of containers
* with failed bundle connections
*/
if (scheduler->stop_needed != NULL) {
for (GList *item = scheduler->stop_needed; item; item = item->next) {
pcmk_resource_t *container = item->data;
pcmk_node_t *node = pcmk__current_node(container);
if (node) {
stop_action(container, node, FALSE);
}
}
g_list_free(scheduler->stop_needed);
scheduler->stop_needed = NULL;
}
/* Now that we know status of all Pacemaker Remote connections and nodes,
* we can stop connections for node shutdowns, and check the online status
* of remote/guest nodes that didn't have any node history to unpack.
*/
for (GList *gIter = scheduler->nodes; gIter != NULL; gIter = gIter->next) {
pcmk_node_t *this_node = gIter->data;
if (!pcmk__is_pacemaker_remote_node(this_node)) {
continue;
}
if (this_node->details->shutdown
&& (this_node->details->remote_rsc != NULL)) {
pe__set_next_role(this_node->details->remote_rsc, pcmk_role_stopped,
"remote shutdown");
}
if (!this_node->details->unpacked) {
determine_remote_online_status(scheduler, this_node);
}
}
return TRUE;
}
/*!
* \internal
* \brief Unpack node's time when it became a member at the cluster layer
*
* \param[in] node_state Node's \c PCMK__XE_NODE_STATE entry
* \param[in,out] scheduler Scheduler data
*
* \return Epoch time when node became a cluster member
* (or scheduler effective time for legacy entries) if a member,
* 0 if not a member, or -1 if no valid information available
*/
static long long
unpack_node_member(const xmlNode *node_state, pcmk_scheduler_t *scheduler)
{
const char *member_time = crm_element_value(node_state, PCMK__XA_IN_CCM);
int member = 0;
if (member_time == NULL) {
return -1LL;
} else if (crm_str_to_boolean(member_time, &member) == 1) {
/* If in_ccm=0, we'll return 0 here. If in_ccm=1, either the entry was
* recorded as a boolean for a DC < 2.1.7, or the node is pending
* shutdown and has left the CPG, in which case it was set to 1 to avoid
* fencing for PCMK_OPT_NODE_PENDING_TIMEOUT.
*
* We return the effective time for in_ccm=1 because what's important to
* avoid fencing is that effective time minus this value is less than
* the pending node timeout.
*/
return member? (long long) get_effective_time(scheduler) : 0LL;
} else {
long long when_member = 0LL;
if ((pcmk__scan_ll(member_time, &when_member,
0LL) != pcmk_rc_ok) || (when_member < 0LL)) {
crm_warn("Unrecognized value '%s' for " PCMK__XA_IN_CCM
" in " PCMK__XE_NODE_STATE " entry", member_time);
return -1LL;
}
return when_member;
}
}
/*!
* \internal
* \brief Unpack node's time when it became online in process group
*
* \param[in] node_state Node's \c PCMK__XE_NODE_STATE entry
*
* \return Epoch time when node became online in process group (or 0 if not
* online, or 1 for legacy online entries)
*/
static long long
unpack_node_online(const xmlNode *node_state)
{
const char *peer_time = crm_element_value(node_state, PCMK_XA_CRMD);
// @COMPAT Entries recorded for DCs < 2.1.7 have "online" or "offline"
if (pcmk__str_eq(peer_time, PCMK_VALUE_OFFLINE,
pcmk__str_casei|pcmk__str_null_matches)) {
return 0LL;
} else if (pcmk__str_eq(peer_time, PCMK_VALUE_ONLINE, pcmk__str_casei)) {
return 1LL;
} else {
long long when_online = 0LL;
if ((pcmk__scan_ll(peer_time, &when_online, 0LL) != pcmk_rc_ok)
|| (when_online < 0)) {
crm_warn("Unrecognized value '%s' for " PCMK_XA_CRMD " in "
PCMK__XE_NODE_STATE " entry, assuming offline", peer_time);
return 0LL;
}
return when_online;
}
}
/*!
* \internal
* \brief Unpack node attribute for user-requested fencing
*
* \param[in] node Node to check
* \param[in] node_state Node's \c PCMK__XE_NODE_STATE entry in CIB status
*
* \return \c true if fencing has been requested for \p node, otherwise \c false
*/
static bool
unpack_node_terminate(const pcmk_node_t *node, const xmlNode *node_state)
{
long long value = 0LL;
int value_i = 0;
const char *value_s = pcmk__node_attr(node, PCMK_NODE_ATTR_TERMINATE,
NULL, pcmk__rsc_node_current);
// Value may be boolean or an epoch time
if (crm_str_to_boolean(value_s, &value_i) == 1) {
return (value_i != 0);
}
if (pcmk__scan_ll(value_s, &value, 0LL) == pcmk_rc_ok) {
return (value > 0);
}
crm_warn("Ignoring unrecognized value '%s' for " PCMK_NODE_ATTR_TERMINATE
"node attribute for %s", value_s, pcmk__node_name(node));
return false;
}
static gboolean
determine_online_status_no_fencing(pcmk_scheduler_t *scheduler,
const xmlNode *node_state,
pcmk_node_t *this_node)
{
gboolean online = FALSE;
const char *join = crm_element_value(node_state, PCMK__XA_JOIN);
const char *exp_state = crm_element_value(node_state, PCMK_XA_EXPECTED);
long long when_member = unpack_node_member(node_state, scheduler);
long long when_online = unpack_node_online(node_state);
if (when_member <= 0) {
crm_trace("Node %s is %sdown", pcmk__node_name(this_node),
((when_member < 0)? "presumed " : ""));
} else if (when_online > 0) {
if (pcmk__str_eq(join, CRMD_JOINSTATE_MEMBER, pcmk__str_casei)) {
online = TRUE;
} else {
crm_debug("Node %s is not ready to run resources: %s",
pcmk__node_name(this_node), join);
}
} else if (this_node->details->expected_up == FALSE) {
crm_trace("Node %s controller is down: "
"member@%lld online@%lld join=%s expected=%s",
pcmk__node_name(this_node), when_member, when_online,
pcmk__s(join, "<null>"), pcmk__s(exp_state, "<null>"));
} else {
/* mark it unclean */
pe_fence_node(scheduler, this_node, "peer is unexpectedly down", FALSE);
crm_info("Node %s member@%lld online@%lld join=%s expected=%s",
pcmk__node_name(this_node), when_member, when_online,
pcmk__s(join, "<null>"), pcmk__s(exp_state, "<null>"));
}
return online;
}
/*!
* \internal
* \brief Check whether a node has taken too long to join controller group
*
* \param[in,out] scheduler Scheduler data
* \param[in] node Node to check
* \param[in] when_member Epoch time when node became a cluster member
* \param[in] when_online Epoch time when node joined controller group
*
* \return true if node has been pending (on the way up) longer than
* \c PCMK_OPT_NODE_PENDING_TIMEOUT, otherwise false
* \note This will also update the cluster's recheck time if appropriate.
*/
static inline bool
pending_too_long(pcmk_scheduler_t *scheduler, const pcmk_node_t *node,
long long when_member, long long when_online)
{
if ((scheduler->node_pending_timeout > 0)
&& (when_member > 0) && (when_online <= 0)) {
// There is a timeout on pending nodes, and node is pending
time_t timeout = when_member + scheduler->node_pending_timeout;
if (get_effective_time(node->details->data_set) >= timeout) {
return true; // Node has timed out
}
// Node is pending, but still has time
pe__update_recheck_time(timeout, scheduler, "pending node timeout");
}
return false;
}
static bool
determine_online_status_fencing(pcmk_scheduler_t *scheduler,
const xmlNode *node_state,
pcmk_node_t *this_node)
{
bool termination_requested = unpack_node_terminate(this_node, node_state);
const char *join = crm_element_value(node_state, PCMK__XA_JOIN);
const char *exp_state = crm_element_value(node_state, PCMK_XA_EXPECTED);
long long when_member = unpack_node_member(node_state, scheduler);
long long when_online = unpack_node_online(node_state);
/*
- PCMK__XA_JOIN ::= member|down|pending|banned
- PCMK_XA_EXPECTED ::= member|down
@COMPAT with entries recorded for DCs < 2.1.7
- PCMK__XA_IN_CCM ::= true|false
- PCMK_XA_CRMD ::= online|offline
Since crm_feature_set 3.18.0 (pacemaker-2.1.7):
- PCMK__XA_IN_CCM ::= <timestamp>|0
Since when node has been a cluster member. A value 0 of means the node is not
a cluster member.
- PCMK_XA_CRMD ::= <timestamp>|0
Since when peer has been online in CPG. A value 0 means the peer is offline
in CPG.
*/
crm_trace("Node %s member@%lld online@%lld join=%s expected=%s%s",
pcmk__node_name(this_node), when_member, when_online,
pcmk__s(join, "<null>"), pcmk__s(exp_state, "<null>"),
(termination_requested? " (termination requested)" : ""));
if (this_node->details->shutdown) {
crm_debug("%s is shutting down", pcmk__node_name(this_node));
/* Slightly different criteria since we can't shut down a dead peer */
return (when_online > 0);
}
if (when_member < 0) {
pe_fence_node(scheduler, this_node,
"peer has not been seen by the cluster", FALSE);
return false;
}
if (pcmk__str_eq(join, CRMD_JOINSTATE_NACK, pcmk__str_none)) {
pe_fence_node(scheduler, this_node,
"peer failed Pacemaker membership criteria", FALSE);
} else if (termination_requested) {
if ((when_member <= 0) && (when_online <= 0)
&& pcmk__str_eq(join, CRMD_JOINSTATE_DOWN, pcmk__str_none)) {
crm_info("%s was fenced as requested", pcmk__node_name(this_node));
return false;
}
pe_fence_node(scheduler, this_node, "fencing was requested", false);
} else if (pcmk__str_eq(exp_state, CRMD_JOINSTATE_DOWN,
pcmk__str_null_matches)) {
if (pending_too_long(scheduler, this_node, when_member, when_online)) {
pe_fence_node(scheduler, this_node,
"peer pending timed out on joining the process group",
FALSE);
} else if ((when_member > 0) || (when_online > 0)) {
crm_info("- %s is not ready to run resources",
pcmk__node_name(this_node));
this_node->details->standby = TRUE;
this_node->details->pending = TRUE;
} else {
crm_trace("%s is down or still coming up",
pcmk__node_name(this_node));
}
} else if (when_member <= 0) {
// Consider PCMK_OPT_PRIORITY_FENCING_DELAY for lost nodes
pe_fence_node(scheduler, this_node,
"peer is no longer part of the cluster", TRUE);
} else if (when_online <= 0) {
pe_fence_node(scheduler, this_node,
"peer process is no longer available", FALSE);
/* Everything is running at this point, now check join state */
} else if (pcmk__str_eq(join, CRMD_JOINSTATE_MEMBER, pcmk__str_none)) {
crm_info("%s is active", pcmk__node_name(this_node));
} else if (pcmk__str_any_of(join, CRMD_JOINSTATE_PENDING,
CRMD_JOINSTATE_DOWN, NULL)) {
crm_info("%s is not ready to run resources",
pcmk__node_name(this_node));
this_node->details->standby = TRUE;
this_node->details->pending = TRUE;
} else {
pe_fence_node(scheduler, this_node, "peer was in an unknown state",
FALSE);
}
return (when_member > 0);
}
static void
determine_remote_online_status(pcmk_scheduler_t *scheduler,
pcmk_node_t *this_node)
{
pcmk_resource_t *rsc = this_node->details->remote_rsc;
pcmk_resource_t *container = NULL;
pcmk_node_t *host = NULL;
/* If there is a node state entry for a (former) Pacemaker Remote node
* but no resource creating that node, the node's connection resource will
* be NULL. Consider it an offline remote node in that case.
*/
if (rsc == NULL) {
this_node->details->online = FALSE;
goto remote_online_done;
}
container = rsc->container;
if (container && pcmk__list_of_1(rsc->running_on)) {
host = rsc->running_on->data;
}
/* If the resource is currently started, mark it online. */
if (rsc->role == pcmk_role_started) {
crm_trace("%s node %s presumed ONLINE because connection resource is started",
(container? "Guest" : "Remote"), this_node->details->id);
this_node->details->online = TRUE;
}
/* consider this node shutting down if transitioning start->stop */
if ((rsc->role == pcmk_role_started)
&& (rsc->next_role == pcmk_role_stopped)) {
crm_trace("%s node %s shutting down because connection resource is stopping",
(container? "Guest" : "Remote"), this_node->details->id);
this_node->details->shutdown = TRUE;
}
/* Now check all the failure conditions. */
if(container && pcmk_is_set(container->flags, pcmk_rsc_failed)) {
crm_trace("Guest node %s UNCLEAN because guest resource failed",
this_node->details->id);
this_node->details->online = FALSE;
this_node->details->remote_requires_reset = TRUE;
} else if (pcmk_is_set(rsc->flags, pcmk_rsc_failed)) {
crm_trace("%s node %s OFFLINE because connection resource failed",
(container? "Guest" : "Remote"), this_node->details->id);
this_node->details->online = FALSE;
} else if ((rsc->role == pcmk_role_stopped)
|| ((container != NULL)
&& (container->role == pcmk_role_stopped))) {
crm_trace("%s node %s OFFLINE because its resource is stopped",
(container? "Guest" : "Remote"), this_node->details->id);
this_node->details->online = FALSE;
this_node->details->remote_requires_reset = FALSE;
} else if (host && (host->details->online == FALSE)
&& host->details->unclean) {
crm_trace("Guest node %s UNCLEAN because host is unclean",
this_node->details->id);
this_node->details->online = FALSE;
this_node->details->remote_requires_reset = TRUE;
}
remote_online_done:
crm_trace("Remote node %s online=%s",
this_node->details->id, this_node->details->online ? "TRUE" : "FALSE");
}
static void
determine_online_status(const xmlNode *node_state, pcmk_node_t *this_node,
pcmk_scheduler_t *scheduler)
{
gboolean online = FALSE;
const char *exp_state = crm_element_value(node_state, PCMK_XA_EXPECTED);
CRM_CHECK(this_node != NULL, return);
this_node->details->shutdown = FALSE;
this_node->details->expected_up = FALSE;
if (pe__shutdown_requested(this_node)) {
this_node->details->shutdown = TRUE;
} else if (pcmk__str_eq(exp_state, CRMD_JOINSTATE_MEMBER, pcmk__str_casei)) {
this_node->details->expected_up = TRUE;
}
if (this_node->details->type == node_ping) {
this_node->details->unclean = FALSE;
online = FALSE; /* As far as resource management is concerned,
* the node is safely offline.
* Anyone caught abusing this logic will be shot
*/
} else if (!pcmk_is_set(scheduler->flags, pcmk_sched_fencing_enabled)) {
online = determine_online_status_no_fencing(scheduler, node_state,
this_node);
} else {
online = determine_online_status_fencing(scheduler, node_state,
this_node);
}
if (online) {
this_node->details->online = TRUE;
} else {
/* remove node from contention */
this_node->fixed = TRUE; // @COMPAT deprecated and unused
this_node->weight = -PCMK_SCORE_INFINITY;
}
if (online && this_node->details->shutdown) {
/* don't run resources here */
this_node->fixed = TRUE; // @COMPAT deprecated and unused
this_node->weight = -PCMK_SCORE_INFINITY;
}
if (this_node->details->type == node_ping) {
crm_info("%s is not a Pacemaker node", pcmk__node_name(this_node));
} else if (this_node->details->unclean) {
pcmk__sched_warn("%s is unclean", pcmk__node_name(this_node));
} else if (this_node->details->online) {
crm_info("%s is %s", pcmk__node_name(this_node),
this_node->details->shutdown ? "shutting down" :
this_node->details->pending ? "pending" :
this_node->details->standby ? "standby" :
this_node->details->maintenance ? "maintenance" : "online");
} else {
crm_trace("%s is offline", pcmk__node_name(this_node));
}
}
/*!
* \internal
* \brief Find the end of a resource's name, excluding any clone suffix
*
* \param[in] id Resource ID to check
*
* \return Pointer to last character of resource's base name
*/
const char *
pe_base_name_end(const char *id)
{
if (!pcmk__str_empty(id)) {
const char *end = id + strlen(id) - 1;
for (const char *s = end; s > id; --s) {
switch (*s) {
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
break;
case ':':
return (s == end)? s : (s - 1);
default:
return end;
}
}
return end;
}
return NULL;
}
/*!
* \internal
* \brief Get a resource name excluding any clone suffix
*
* \param[in] last_rsc_id Resource ID to check
*
* \return Pointer to newly allocated string with resource's base name
* \note It is the caller's responsibility to free() the result.
* This asserts on error, so callers can assume result is not NULL.
*/
char *
clone_strip(const char *last_rsc_id)
{
const char *end = pe_base_name_end(last_rsc_id);
char *basename = NULL;
CRM_ASSERT(end);
basename = strndup(last_rsc_id, end - last_rsc_id + 1);
CRM_ASSERT(basename);
return basename;
}
/*!
* \internal
* \brief Get the name of the first instance of a cloned resource
*
* \param[in] last_rsc_id Resource ID to check
*
* \return Pointer to newly allocated string with resource's base name plus :0
* \note It is the caller's responsibility to free() the result.
* This asserts on error, so callers can assume result is not NULL.
*/
char *
clone_zero(const char *last_rsc_id)
{
const char *end = pe_base_name_end(last_rsc_id);
size_t base_name_len = end - last_rsc_id + 1;
char *zero = NULL;
CRM_ASSERT(end);
zero = pcmk__assert_alloc(base_name_len + 3, sizeof(char));
memcpy(zero, last_rsc_id, base_name_len);
zero[base_name_len] = ':';
zero[base_name_len + 1] = '0';
return zero;
}
static pcmk_resource_t *
create_fake_resource(const char *rsc_id, const xmlNode *rsc_entry,
pcmk_scheduler_t *scheduler)
{
pcmk_resource_t *rsc = NULL;
xmlNode *xml_rsc = pcmk__xe_create(NULL, PCMK_XE_PRIMITIVE);
pcmk__xe_copy_attrs(xml_rsc, rsc_entry, pcmk__xaf_none);
crm_xml_add(xml_rsc, PCMK_XA_ID, rsc_id);
crm_log_xml_debug(xml_rsc, "Orphan resource");
if (pe__unpack_resource(xml_rsc, &rsc, NULL, scheduler) != pcmk_rc_ok) {
return NULL;
}
if (xml_contains_remote_node(xml_rsc)) {
pcmk_node_t *node;
crm_debug("Detected orphaned remote node %s", rsc_id);
node = pcmk_find_node(scheduler, rsc_id);
if (node == NULL) {
node = pe_create_node(rsc_id, rsc_id, PCMK_VALUE_REMOTE, NULL,
scheduler);
}
link_rsc2remotenode(scheduler, rsc);
if (node) {
crm_trace("Setting node %s as shutting down due to orphaned connection resource", rsc_id);
node->details->shutdown = TRUE;
}
}
if (crm_element_value(rsc_entry, PCMK__META_CONTAINER)) {
/* This orphaned rsc needs to be mapped to a container. */
crm_trace("Detected orphaned container filler %s", rsc_id);
pcmk__set_rsc_flags(rsc, pcmk_rsc_removed_filler);
}
pcmk__set_rsc_flags(rsc, pcmk_rsc_removed);
scheduler->resources = g_list_append(scheduler->resources, rsc);
return rsc;
}
/*!
* \internal
* \brief Create orphan instance for anonymous clone resource history
*
* \param[in,out] parent Clone resource that orphan will be added to
* \param[in] rsc_id Orphan's resource ID
* \param[in] node Where orphan is active (for logging only)
* \param[in,out] scheduler Scheduler data
*
* \return Newly added orphaned instance of \p parent
*/
static pcmk_resource_t *
create_anonymous_orphan(pcmk_resource_t *parent, const char *rsc_id,
const pcmk_node_t *node, pcmk_scheduler_t *scheduler)
{
pcmk_resource_t *top = pe__create_clone_child(parent, scheduler);
pcmk_resource_t *orphan = NULL;
// find_rsc() because we might be a cloned group
orphan = top->private->fns->find_rsc(top, rsc_id, NULL,
pcmk_rsc_match_clone_only);
pcmk__rsc_debug(parent, "Created orphan %s for %s: %s on %s",
top->id, parent->id, rsc_id, pcmk__node_name(node));
return orphan;
}
/*!
* \internal
* \brief Check a node for an instance of an anonymous clone
*
* Return a child instance of the specified anonymous clone, in order of
* preference: (1) the instance running on the specified node, if any;
* (2) an inactive instance (i.e. within the total of \c PCMK_META_CLONE_MAX
* instances); (3) a newly created orphan (that is, \c PCMK_META_CLONE_MAX
* instances are already active).
*
* \param[in,out] scheduler Scheduler data
* \param[in] node Node on which to check for instance
* \param[in,out] parent Clone to check
* \param[in] rsc_id Name of cloned resource in history (no instance)
*/
static pcmk_resource_t *
find_anonymous_clone(pcmk_scheduler_t *scheduler, const pcmk_node_t *node,
pcmk_resource_t *parent, const char *rsc_id)
{
GList *rIter = NULL;
pcmk_resource_t *rsc = NULL;
pcmk_resource_t *inactive_instance = NULL;
gboolean skip_inactive = FALSE;
CRM_ASSERT(pcmk__is_anonymous_clone(parent));
// Check for active (or partially active, for cloned groups) instance
pcmk__rsc_trace(parent, "Looking for %s on %s in %s",
rsc_id, pcmk__node_name(node), parent->id);
for (rIter = parent->children; rsc == NULL && rIter; rIter = rIter->next) {
GList *locations = NULL;
pcmk_resource_t *child = rIter->data;
/* Check whether this instance is already known to be active or pending
* anywhere, at this stage of unpacking. Because this function is called
* for a resource before the resource's individual operation history
* entries are unpacked, locations will generally not contain the
* desired node.
*
* However, there are three exceptions:
* (1) when child is a cloned group and we have already unpacked the
* history of another member of the group on the same node;
* (2) when we've already unpacked the history of another numbered
* instance on the same node (which can happen if
* PCMK_META_GLOBALLY_UNIQUE was flipped from true to false); and
* (3) when we re-run calculations on the same scheduler data as part of
* a simulation.
*/
child->private->fns->location(child, &locations, 2);
if (locations) {
/* We should never associate the same numbered anonymous clone
* instance with multiple nodes, and clone instances can't migrate,
* so there must be only one location, regardless of history.
*/
CRM_LOG_ASSERT(locations->next == NULL);
if (pcmk__same_node((pcmk_node_t *) locations->data, node)) {
/* This child instance is active on the requested node, so check
* for a corresponding configured resource. We use find_rsc()
* instead of child because child may be a cloned group, and we
* need the particular member corresponding to rsc_id.
*
* If the history entry is orphaned, rsc will be NULL.
*/
rsc = parent->private->fns->find_rsc(child, rsc_id, NULL,
pcmk_rsc_match_clone_only);
if (rsc) {
/* If there are multiple instance history entries for an
* anonymous clone in a single node's history (which can
* happen if PCMK_META_GLOBALLY_UNIQUE is switched from true
* to false), we want to consider the instances beyond the
* first as orphans, even if there are inactive instance
* numbers available.
*/
if (rsc->running_on) {
crm_notice("Active (now-)anonymous clone %s has "
"multiple (orphan) instance histories on %s",
parent->id, pcmk__node_name(node));
skip_inactive = TRUE;
rsc = NULL;
} else {
pcmk__rsc_trace(parent, "Resource %s, active", rsc->id);
}
}
}
g_list_free(locations);
} else {
pcmk__rsc_trace(parent, "Resource %s, skip inactive", child->id);
if (!skip_inactive && !inactive_instance
&& !pcmk_is_set(child->flags, pcmk_rsc_blocked)) {
// Remember one inactive instance in case we don't find active
inactive_instance =
parent->private->fns->find_rsc(child, rsc_id, NULL,
pcmk_rsc_match_clone_only);
/* ... but don't use it if it was already associated with a
* pending action on another node
*/
if ((inactive_instance != NULL) &&
(inactive_instance->pending_node != NULL) &&
!pcmk__same_node(inactive_instance->pending_node, node)) {
inactive_instance = NULL;
}
}
}
}
if ((rsc == NULL) && !skip_inactive && (inactive_instance != NULL)) {
pcmk__rsc_trace(parent, "Resource %s, empty slot",
inactive_instance->id);
rsc = inactive_instance;
}
/* If the resource has PCMK_META_REQUIRES set to PCMK_VALUE_QUORUM or
* PCMK_VALUE_NOTHING, and we don't have a clone instance for every node, we
* don't want to consume a valid instance number for unclean nodes. Such
* instances may appear to be active according to the history, but should be
* considered inactive, so we can start an instance elsewhere. Treat such
* instances as orphans.
*
* An exception is instances running on guest nodes -- since guest node
* "fencing" is actually just a resource stop, requires shouldn't apply.
*
* @TODO Ideally, we'd use an inactive instance number if it is not needed
* for any clean instances. However, we don't know that at this point.
*/
if ((rsc != NULL) && !pcmk_is_set(rsc->flags, pcmk_rsc_needs_fencing)
&& (!node->details->online || node->details->unclean)
&& !pcmk__is_guest_or_bundle_node(node)
&& !pe__is_universal_clone(parent, scheduler)) {
rsc = NULL;
}
if (rsc == NULL) {
rsc = create_anonymous_orphan(parent, rsc_id, node, scheduler);
pcmk__rsc_trace(parent, "Resource %s, orphan", rsc->id);
}
return rsc;
}
static pcmk_resource_t *
unpack_find_resource(pcmk_scheduler_t *scheduler, const pcmk_node_t *node,
const char *rsc_id)
{
pcmk_resource_t *rsc = NULL;
pcmk_resource_t *parent = NULL;
crm_trace("looking for %s", rsc_id);
rsc = pe_find_resource(scheduler->resources, rsc_id);
if (rsc == NULL) {
/* If we didn't find the resource by its name in the operation history,
* check it again as a clone instance. Even when PCMK_META_CLONE_MAX=0,
* we create a single :0 orphan to match against here.
*/
char *clone0_id = clone_zero(rsc_id);
pcmk_resource_t *clone0 = pe_find_resource(scheduler->resources,
clone0_id);
if (clone0 && !pcmk_is_set(clone0->flags, pcmk_rsc_unique)) {
rsc = clone0;
parent = uber_parent(clone0);
crm_trace("%s found as %s (%s)", rsc_id, clone0_id, parent->id);
} else {
crm_trace("%s is not known as %s either (orphan)",
rsc_id, clone0_id);
}
free(clone0_id);
} else if (rsc->variant > pcmk_rsc_variant_primitive) {
crm_trace("Resource history for %s is orphaned because it is no longer primitive",
rsc_id);
return NULL;
} else {
parent = uber_parent(rsc);
}
if (pcmk__is_anonymous_clone(parent)) {
if (pcmk__is_bundled(parent)) {
rsc = pe__find_bundle_replica(parent->parent, node);
} else {
char *base = clone_strip(rsc_id);
rsc = find_anonymous_clone(scheduler, node, parent, base);
free(base);
CRM_ASSERT(rsc != NULL);
}
}
if (rsc && !pcmk__str_eq(rsc_id, rsc->id, pcmk__str_none)
- && !pcmk__str_eq(rsc_id, rsc->clone_name, pcmk__str_none)) {
+ && !pcmk__str_eq(rsc_id, rsc->private->history_id, pcmk__str_none)) {
- pcmk__str_update(&rsc->clone_name, rsc_id);
+ pcmk__str_update(&(rsc->private->history_id), rsc_id);
pcmk__rsc_debug(rsc, "Internally renamed %s on %s to %s%s",
rsc_id, pcmk__node_name(node), rsc->id,
pcmk_is_set(rsc->flags, pcmk_rsc_removed)? " (ORPHAN)" : "");
}
return rsc;
}
static pcmk_resource_t *
process_orphan_resource(const xmlNode *rsc_entry, const pcmk_node_t *node,
pcmk_scheduler_t *scheduler)
{
pcmk_resource_t *rsc = NULL;
const char *rsc_id = crm_element_value(rsc_entry, PCMK_XA_ID);
crm_debug("Detected orphan resource %s on %s",
rsc_id, pcmk__node_name(node));
rsc = create_fake_resource(rsc_id, rsc_entry, scheduler);
if (rsc == NULL) {
return NULL;
}
if (!pcmk_is_set(scheduler->flags, pcmk_sched_stop_removed_resources)) {
pcmk__clear_rsc_flags(rsc, pcmk_rsc_managed);
} else {
CRM_CHECK(rsc != NULL, return NULL);
pcmk__rsc_trace(rsc, "Added orphan %s", rsc->id);
resource_location(rsc, NULL, -PCMK_SCORE_INFINITY,
"__orphan_do_not_run__", scheduler);
}
return rsc;
}
static void
process_rsc_state(pcmk_resource_t *rsc, pcmk_node_t *node,
enum action_fail_response on_fail)
{
pcmk_node_t *tmpnode = NULL;
char *reason = NULL;
enum action_fail_response save_on_fail = pcmk_on_fail_ignore;
CRM_ASSERT(rsc);
pcmk__rsc_trace(rsc, "Resource %s is %s on %s: on_fail=%s",
rsc->id, pcmk_role_text(rsc->role), pcmk__node_name(node),
pcmk_on_fail_text(on_fail));
/* process current state */
if (rsc->role != pcmk_role_unknown) {
pcmk_resource_t *iter = rsc;
while (iter) {
if (g_hash_table_lookup(iter->known_on, node->details->id) == NULL) {
pcmk_node_t *n = pe__copy_node(node);
- pcmk__rsc_trace(rsc, "%s%s%s known on %s",
+ pcmk__rsc_trace(rsc, "%s (%s in history) known on %s",
rsc->id,
- ((rsc->clone_name == NULL)? "" : " also known as "),
- ((rsc->clone_name == NULL)? "" : rsc->clone_name),
+ pcmk__s(rsc->private->history_id, "the same"),
pcmk__node_name(n));
g_hash_table_insert(iter->known_on, (gpointer) n->details->id, n);
}
if (pcmk_is_set(iter->flags, pcmk_rsc_unique)) {
break;
}
iter = iter->parent;
}
}
/* If a managed resource is believed to be running, but node is down ... */
if ((rsc->role > pcmk_role_stopped)
&& node->details->online == FALSE
&& node->details->maintenance == FALSE
&& pcmk_is_set(rsc->flags, pcmk_rsc_managed)) {
gboolean should_fence = FALSE;
/* If this is a guest node, fence it (regardless of whether fencing is
* enabled, because guest node fencing is done by recovery of the
* container resource rather than by the fencer). Mark the resource
* we're processing as failed. When the guest comes back up, its
* operation history in the CIB will be cleared, freeing the affected
* resource to run again once we are sure we know its state.
*/
if (pcmk__is_guest_or_bundle_node(node)) {
pcmk__set_rsc_flags(rsc, pcmk_rsc_failed|pcmk_rsc_stop_if_failed);
should_fence = TRUE;
} else if (pcmk_is_set(rsc->cluster->flags,
pcmk_sched_fencing_enabled)) {
if (pcmk__is_remote_node(node)
&& (node->details->remote_rsc != NULL)
&& !pcmk_is_set(node->details->remote_rsc->flags,
pcmk_rsc_failed)) {
/* Setting unseen means that fencing of the remote node will
* occur only if the connection resource is not going to start
* somewhere. This allows connection resources on a failed
* cluster node to move to another node without requiring the
* remote nodes to be fenced as well.
*/
node->details->unseen = TRUE;
reason = crm_strdup_printf("%s is active there (fencing will be"
" revoked if remote connection can "
"be re-established elsewhere)",
rsc->id);
}
should_fence = TRUE;
}
if (should_fence) {
if (reason == NULL) {
reason = crm_strdup_printf("%s is thought to be active there", rsc->id);
}
pe_fence_node(rsc->cluster, node, reason, FALSE);
}
free(reason);
}
/* In order to calculate priority_fencing_delay correctly, save the failure information and pass it to native_add_running(). */
save_on_fail = on_fail;
if (node->details->unclean) {
/* No extra processing needed
* Also allows resources to be started again after a node is shot
*/
on_fail = pcmk_on_fail_ignore;
}
switch (on_fail) {
case pcmk_on_fail_ignore:
/* nothing to do */
break;
case pcmk_on_fail_demote:
pcmk__set_rsc_flags(rsc, pcmk_rsc_failed);
demote_action(rsc, node, FALSE);
break;
case pcmk_on_fail_fence_node:
/* treat it as if it is still running
* but also mark the node as unclean
*/
reason = crm_strdup_printf("%s failed there", rsc->id);
pe_fence_node(rsc->cluster, node, reason, FALSE);
free(reason);
break;
case pcmk_on_fail_standby_node:
node->details->standby = TRUE;
node->details->standby_onfail = TRUE;
break;
case pcmk_on_fail_block:
/* is_managed == FALSE will prevent any
* actions being sent for the resource
*/
pcmk__clear_rsc_flags(rsc, pcmk_rsc_managed);
pcmk__set_rsc_flags(rsc, pcmk_rsc_blocked);
break;
case pcmk_on_fail_ban:
/* make sure it comes up somewhere else
* or not at all
*/
resource_location(rsc, node, -PCMK_SCORE_INFINITY,
"__action_migration_auto__", rsc->cluster);
break;
case pcmk_on_fail_stop:
pe__set_next_role(rsc, pcmk_role_stopped,
PCMK_META_ON_FAIL "=" PCMK_VALUE_STOP);
break;
case pcmk_on_fail_restart:
if ((rsc->role != pcmk_role_stopped)
&& (rsc->role != pcmk_role_unknown)) {
pcmk__set_rsc_flags(rsc,
pcmk_rsc_failed|pcmk_rsc_stop_if_failed);
stop_action(rsc, node, FALSE);
}
break;
case pcmk_on_fail_restart_container:
pcmk__set_rsc_flags(rsc, pcmk_rsc_failed|pcmk_rsc_stop_if_failed);
if ((rsc->container != NULL) && pcmk__is_bundled(rsc)) {
/* A bundle's remote connection can run on a different node than
* the bundle's container. We don't necessarily know where the
* container is running yet, so remember it and add a stop
* action for it later.
*/
rsc->cluster->stop_needed =
g_list_prepend(rsc->cluster->stop_needed, rsc->container);
} else if (rsc->container) {
stop_action(rsc->container, node, FALSE);
} else if ((rsc->role != pcmk_role_stopped)
&& (rsc->role != pcmk_role_unknown)) {
stop_action(rsc, node, FALSE);
}
break;
case pcmk_on_fail_reset_remote:
pcmk__set_rsc_flags(rsc, pcmk_rsc_failed|pcmk_rsc_stop_if_failed);
if (pcmk_is_set(rsc->cluster->flags, pcmk_sched_fencing_enabled)) {
tmpnode = NULL;
if (rsc->is_remote_node) {
tmpnode = pcmk_find_node(rsc->cluster, rsc->id);
}
if (pcmk__is_remote_node(tmpnode)
&& !(tmpnode->details->remote_was_fenced)) {
/* The remote connection resource failed in a way that
* should result in fencing the remote node.
*/
pe_fence_node(rsc->cluster, tmpnode,
"remote connection is unrecoverable", FALSE);
}
}
/* require the stop action regardless if fencing is occurring or not. */
if (rsc->role > pcmk_role_stopped) {
stop_action(rsc, node, FALSE);
}
/* if reconnect delay is in use, prevent the connection from exiting the
* "STOPPED" role until the failure is cleared by the delay timeout. */
if (rsc->remote_reconnect_ms) {
pe__set_next_role(rsc, pcmk_role_stopped, "remote reset");
}
break;
}
/* ensure a remote-node connection failure forces an unclean remote-node
* to be fenced. By setting unseen = FALSE, the remote-node failure will
* result in a fencing operation regardless if we're going to attempt to
* reconnect to the remote-node in this transition or not. */
if (pcmk_is_set(rsc->flags, pcmk_rsc_failed) && rsc->is_remote_node) {
tmpnode = pcmk_find_node(rsc->cluster, rsc->id);
if (tmpnode && tmpnode->details->unclean) {
tmpnode->details->unseen = FALSE;
}
}
if ((rsc->role != pcmk_role_stopped)
&& (rsc->role != pcmk_role_unknown)) {
if (pcmk_is_set(rsc->flags, pcmk_rsc_removed)) {
if (pcmk_is_set(rsc->flags, pcmk_rsc_managed)) {
crm_notice("Removed resource %s is active on %s and will be "
"stopped when possible",
rsc->id, pcmk__node_name(node));
} else {
crm_notice("Removed resource %s must be stopped manually on %s "
"because " PCMK_OPT_STOP_ORPHAN_RESOURCES
" is set to false", rsc->id, pcmk__node_name(node));
}
}
native_add_running(rsc, node, rsc->cluster,
(save_on_fail != pcmk_on_fail_ignore));
switch (on_fail) {
case pcmk_on_fail_ignore:
break;
case pcmk_on_fail_demote:
case pcmk_on_fail_block:
pcmk__set_rsc_flags(rsc, pcmk_rsc_failed);
break;
default:
pcmk__set_rsc_flags(rsc,
pcmk_rsc_failed|pcmk_rsc_stop_if_failed);
break;
}
- } else if (rsc->clone_name && strchr(rsc->clone_name, ':') != NULL) {
+ } else if ((rsc->private->history_id != NULL)
+ && (strchr(rsc->private->history_id, ':') != NULL)) {
/* Only do this for older status sections that included instance numbers
* Otherwise stopped instances will appear as orphans
*/
- pcmk__rsc_trace(rsc, "Resetting clone_name %s for %s (stopped)",
- rsc->clone_name, rsc->id);
- free(rsc->clone_name);
- rsc->clone_name = NULL;
+ pcmk__rsc_trace(rsc, "Clearing history ID %s for %s (stopped)",
+ rsc->private->history_id, rsc->id);
+ free(rsc->private->history_id);
+ rsc->private->history_id = NULL;
} else {
GList *possible_matches = pe__resource_actions(rsc, node,
PCMK_ACTION_STOP, FALSE);
GList *gIter = possible_matches;
for (; gIter != NULL; gIter = gIter->next) {
pcmk_action_t *stop = (pcmk_action_t *) gIter->data;
pcmk__set_action_flags(stop, pcmk_action_optional);
}
g_list_free(possible_matches);
}
/* A successful stop after migrate_to on the migration source doesn't make
* the partially migrated resource stopped on the migration target.
*/
if ((rsc->role == pcmk_role_stopped)
&& rsc->partial_migration_source
&& rsc->partial_migration_source->details == node->details
&& rsc->partial_migration_target
&& rsc->running_on) {
rsc->role = pcmk_role_started;
}
}
/* create active recurring operations as optional */
static void
process_recurring(pcmk_node_t *node, pcmk_resource_t *rsc,
int start_index, int stop_index,
GList *sorted_op_list, pcmk_scheduler_t *scheduler)
{
int counter = -1;
const char *task = NULL;
const char *status = NULL;
GList *gIter = sorted_op_list;
CRM_ASSERT(rsc);
pcmk__rsc_trace(rsc, "%s: Start index %d, stop index = %d",
rsc->id, start_index, stop_index);
for (; gIter != NULL; gIter = gIter->next) {
xmlNode *rsc_op = (xmlNode *) gIter->data;
guint interval_ms = 0;
char *key = NULL;
const char *id = pcmk__xe_id(rsc_op);
counter++;
if (node->details->online == FALSE) {
pcmk__rsc_trace(rsc, "Skipping %s on %s: node is offline",
rsc->id, pcmk__node_name(node));
break;
/* Need to check if there's a monitor for role="Stopped" */
} else if (start_index < stop_index && counter <= stop_index) {
pcmk__rsc_trace(rsc, "Skipping %s on %s: resource is not active",
id, pcmk__node_name(node));
continue;
} else if (counter < start_index) {
pcmk__rsc_trace(rsc, "Skipping %s on %s: old %d",
id, pcmk__node_name(node), counter);
continue;
}
crm_element_value_ms(rsc_op, PCMK_META_INTERVAL, &interval_ms);
if (interval_ms == 0) {
pcmk__rsc_trace(rsc, "Skipping %s on %s: non-recurring",
id, pcmk__node_name(node));
continue;
}
status = crm_element_value(rsc_op, PCMK__XA_OP_STATUS);
if (pcmk__str_eq(status, "-1", pcmk__str_casei)) {
pcmk__rsc_trace(rsc, "Skipping %s on %s: status",
id, pcmk__node_name(node));
continue;
}
task = crm_element_value(rsc_op, PCMK_XA_OPERATION);
/* create the action */
key = pcmk__op_key(rsc->id, task, interval_ms);
pcmk__rsc_trace(rsc, "Creating %s on %s", key, pcmk__node_name(node));
custom_action(rsc, key, task, node, TRUE, scheduler);
}
}
void
calculate_active_ops(const GList *sorted_op_list, int *start_index,
int *stop_index)
{
int counter = -1;
int implied_monitor_start = -1;
int implied_clone_start = -1;
const char *task = NULL;
const char *status = NULL;
*stop_index = -1;
*start_index = -1;
for (const GList *iter = sorted_op_list; iter != NULL; iter = iter->next) {
const xmlNode *rsc_op = (const xmlNode *) iter->data;
counter++;
task = crm_element_value(rsc_op, PCMK_XA_OPERATION);
status = crm_element_value(rsc_op, PCMK__XA_OP_STATUS);
if (pcmk__str_eq(task, PCMK_ACTION_STOP, pcmk__str_casei)
&& pcmk__str_eq(status, "0", pcmk__str_casei)) {
*stop_index = counter;
} else if (pcmk__strcase_any_of(task, PCMK_ACTION_START,
PCMK_ACTION_MIGRATE_FROM, NULL)) {
*start_index = counter;
} else if ((implied_monitor_start <= *stop_index)
&& pcmk__str_eq(task, PCMK_ACTION_MONITOR,
pcmk__str_casei)) {
const char *rc = crm_element_value(rsc_op, PCMK__XA_RC_CODE);
if (pcmk__strcase_any_of(rc, "0", "8", NULL)) {
implied_monitor_start = counter;
}
} else if (pcmk__strcase_any_of(task, PCMK_ACTION_PROMOTE,
PCMK_ACTION_DEMOTE, NULL)) {
implied_clone_start = counter;
}
}
if (*start_index == -1) {
if (implied_clone_start != -1) {
*start_index = implied_clone_start;
} else if (implied_monitor_start != -1) {
*start_index = implied_monitor_start;
}
}
}
// If resource history entry has shutdown lock, remember lock node and time
static void
unpack_shutdown_lock(const xmlNode *rsc_entry, pcmk_resource_t *rsc,
const pcmk_node_t *node, pcmk_scheduler_t *scheduler)
{
time_t lock_time = 0; // When lock started (i.e. node shutdown time)
if ((crm_element_value_epoch(rsc_entry, PCMK_OPT_SHUTDOWN_LOCK,
&lock_time) == pcmk_ok) && (lock_time != 0)) {
if ((scheduler->shutdown_lock > 0)
&& (get_effective_time(scheduler)
> (lock_time + scheduler->shutdown_lock))) {
pcmk__rsc_info(rsc, "Shutdown lock for %s on %s expired",
rsc->id, pcmk__node_name(node));
pe__clear_resource_history(rsc, node);
} else {
/* @COMPAT I don't like breaking const signatures, but
* rsc->lock_node should really be const -- we just can't change it
* until the next API compatibility break.
*/
rsc->lock_node = (pcmk_node_t *) node;
rsc->lock_time = lock_time;
}
}
}
/*!
* \internal
* \brief Unpack one \c PCMK__XE_LRM_RESOURCE entry from a node's CIB status
*
* \param[in,out] node Node whose status is being unpacked
* \param[in] rsc_entry \c PCMK__XE_LRM_RESOURCE XML being unpacked
* \param[in,out] scheduler Scheduler data
*
* \return Resource corresponding to the entry, or NULL if no operation history
*/
static pcmk_resource_t *
unpack_lrm_resource(pcmk_node_t *node, const xmlNode *lrm_resource,
pcmk_scheduler_t *scheduler)
{
GList *gIter = NULL;
int stop_index = -1;
int start_index = -1;
enum rsc_role_e req_role = pcmk_role_unknown;
const char *rsc_id = pcmk__xe_id(lrm_resource);
pcmk_resource_t *rsc = NULL;
GList *op_list = NULL;
GList *sorted_op_list = NULL;
xmlNode *rsc_op = NULL;
xmlNode *last_failure = NULL;
enum action_fail_response on_fail = pcmk_on_fail_ignore;
enum rsc_role_e saved_role = pcmk_role_unknown;
if (rsc_id == NULL) {
pcmk__config_err("Ignoring invalid " PCMK__XE_LRM_RESOURCE
" entry: No " PCMK_XA_ID);
crm_log_xml_info(lrm_resource, "missing-id");
return NULL;
}
crm_trace("Unpacking " PCMK__XE_LRM_RESOURCE " for %s on %s",
rsc_id, pcmk__node_name(node));
/* Build a list of individual PCMK__XE_LRM_RSC_OP entries, so we can sort
* them
*/
for (rsc_op = pcmk__xe_first_child(lrm_resource, PCMK__XE_LRM_RSC_OP, NULL,
NULL);
rsc_op != NULL; rsc_op = pcmk__xe_next_same(rsc_op)) {
op_list = g_list_prepend(op_list, rsc_op);
}
if (!pcmk_is_set(scheduler->flags, pcmk_sched_shutdown_lock)) {
if (op_list == NULL) {
// If there are no operations, there is nothing to do
return NULL;
}
}
/* find the resource */
rsc = unpack_find_resource(scheduler, node, rsc_id);
if (rsc == NULL) {
if (op_list == NULL) {
// If there are no operations, there is nothing to do
return NULL;
} else {
rsc = process_orphan_resource(lrm_resource, node, scheduler);
}
}
CRM_ASSERT(rsc != NULL);
// Check whether the resource is "shutdown-locked" to this node
if (pcmk_is_set(scheduler->flags, pcmk_sched_shutdown_lock)) {
unpack_shutdown_lock(lrm_resource, rsc, node, scheduler);
}
/* process operations */
saved_role = rsc->role;
rsc->role = pcmk_role_unknown;
sorted_op_list = g_list_sort(op_list, sort_op_by_callid);
for (gIter = sorted_op_list; gIter != NULL; gIter = gIter->next) {
xmlNode *rsc_op = (xmlNode *) gIter->data;
unpack_rsc_op(rsc, node, rsc_op, &last_failure, &on_fail);
}
/* create active recurring operations as optional */
calculate_active_ops(sorted_op_list, &start_index, &stop_index);
process_recurring(node, rsc, start_index, stop_index, sorted_op_list,
scheduler);
/* no need to free the contents */
g_list_free(sorted_op_list);
process_rsc_state(rsc, node, on_fail);
if (get_target_role(rsc, &req_role)) {
if ((rsc->next_role == pcmk_role_unknown)
|| (req_role < rsc->next_role)) {
pe__set_next_role(rsc, req_role, PCMK_META_TARGET_ROLE);
} else if (req_role > rsc->next_role) {
pcmk__rsc_info(rsc,
"%s: Not overwriting calculated next role %s"
" with requested next role %s",
rsc->id, pcmk_role_text(rsc->next_role),
pcmk_role_text(req_role));
}
}
if (saved_role > rsc->role) {
rsc->role = saved_role;
}
return rsc;
}
static void
handle_orphaned_container_fillers(const xmlNode *lrm_rsc_list,
pcmk_scheduler_t *scheduler)
{
for (const xmlNode *rsc_entry = pcmk__xe_first_child(lrm_rsc_list, NULL,
NULL, NULL);
rsc_entry != NULL; rsc_entry = pcmk__xe_next(rsc_entry)) {
pcmk_resource_t *rsc;
pcmk_resource_t *container;
const char *rsc_id;
const char *container_id;
if (!pcmk__xe_is(rsc_entry, PCMK__XE_LRM_RESOURCE)) {
continue;
}
container_id = crm_element_value(rsc_entry, PCMK__META_CONTAINER);
rsc_id = crm_element_value(rsc_entry, PCMK_XA_ID);
if (container_id == NULL || rsc_id == NULL) {
continue;
}
container = pe_find_resource(scheduler->resources, container_id);
if (container == NULL) {
continue;
}
rsc = pe_find_resource(scheduler->resources, rsc_id);
if ((rsc == NULL) || (rsc->container != NULL)
|| !pcmk_is_set(rsc->flags, pcmk_rsc_removed_filler)) {
continue;
}
pcmk__rsc_trace(rsc, "Mapped container of orphaned resource %s to %s",
rsc->id, container_id);
rsc->container = container;
container->fillers = g_list_append(container->fillers, rsc);
}
}
/*!
* \internal
* \brief Unpack one node's lrm status section
*
* \param[in,out] node Node whose status is being unpacked
* \param[in] xml CIB node state XML
* \param[in,out] scheduler Scheduler data
*/
static void
unpack_node_lrm(pcmk_node_t *node, const xmlNode *xml,
pcmk_scheduler_t *scheduler)
{
bool found_orphaned_container_filler = false;
// Drill down to PCMK__XE_LRM_RESOURCES section
xml = pcmk__xe_first_child(xml, PCMK__XE_LRM, NULL, NULL);
if (xml == NULL) {
return;
}
xml = pcmk__xe_first_child(xml, PCMK__XE_LRM_RESOURCES, NULL, NULL);
if (xml == NULL) {
return;
}
// Unpack each PCMK__XE_LRM_RESOURCE entry
for (const xmlNode *rsc_entry = pcmk__xe_first_child(xml,
PCMK__XE_LRM_RESOURCE,
NULL, NULL);
rsc_entry != NULL; rsc_entry = pcmk__xe_next_same(rsc_entry)) {
pcmk_resource_t *rsc = unpack_lrm_resource(node, rsc_entry, scheduler);
if ((rsc != NULL)
&& pcmk_is_set(rsc->flags, pcmk_rsc_removed_filler)) {
found_orphaned_container_filler = true;
}
}
/* Now that all resource state has been unpacked for this node, map any
* orphaned container fillers to their container resource.
*/
if (found_orphaned_container_filler) {
handle_orphaned_container_fillers(xml, scheduler);
}
}
static void
set_active(pcmk_resource_t *rsc)
{
const pcmk_resource_t *top = pe__const_top_resource(rsc, false);
if (top && pcmk_is_set(top->flags, pcmk_rsc_promotable)) {
rsc->role = pcmk_role_unpromoted;
} else {
rsc->role = pcmk_role_started;
}
}
static void
set_node_score(gpointer key, gpointer value, gpointer user_data)
{
pcmk_node_t *node = value;
int *score = user_data;
node->weight = *score;
}
#define XPATH_NODE_STATE "/" PCMK_XE_CIB "/" PCMK_XE_STATUS \
"/" PCMK__XE_NODE_STATE
#define SUB_XPATH_LRM_RESOURCE "/" PCMK__XE_LRM \
"/" PCMK__XE_LRM_RESOURCES \
"/" PCMK__XE_LRM_RESOURCE
#define SUB_XPATH_LRM_RSC_OP "/" PCMK__XE_LRM_RSC_OP
static xmlNode *
find_lrm_op(const char *resource, const char *op, const char *node, const char *source,
int target_rc, pcmk_scheduler_t *scheduler)
{
GString *xpath = NULL;
xmlNode *xml = NULL;
CRM_CHECK((resource != NULL) && (op != NULL) && (node != NULL),
return NULL);
xpath = g_string_sized_new(256);
pcmk__g_strcat(xpath,
XPATH_NODE_STATE "[@" PCMK_XA_UNAME "='", node, "']"
SUB_XPATH_LRM_RESOURCE "[@" PCMK_XA_ID "='", resource, "']"
SUB_XPATH_LRM_RSC_OP "[@" PCMK_XA_OPERATION "='", op, "'",
NULL);
/* Need to check against transition_magic too? */
if ((source != NULL) && (strcmp(op, PCMK_ACTION_MIGRATE_TO) == 0)) {
pcmk__g_strcat(xpath,
" and @" PCMK__META_MIGRATE_TARGET "='", source, "']",
NULL);
} else if ((source != NULL)
&& (strcmp(op, PCMK_ACTION_MIGRATE_FROM) == 0)) {
pcmk__g_strcat(xpath,
" and @" PCMK__META_MIGRATE_SOURCE "='", source, "']",
NULL);
} else {
g_string_append_c(xpath, ']');
}
xml = get_xpath_object((const char *) xpath->str, scheduler->input,
LOG_DEBUG);
g_string_free(xpath, TRUE);
if (xml && target_rc >= 0) {
int rc = PCMK_OCF_UNKNOWN_ERROR;
int status = PCMK_EXEC_ERROR;
crm_element_value_int(xml, PCMK__XA_RC_CODE, &rc);
crm_element_value_int(xml, PCMK__XA_OP_STATUS, &status);
if ((rc != target_rc) || (status != PCMK_EXEC_DONE)) {
return NULL;
}
}
return xml;
}
static xmlNode *
find_lrm_resource(const char *rsc_id, const char *node_name,
pcmk_scheduler_t *scheduler)
{
GString *xpath = NULL;
xmlNode *xml = NULL;
CRM_CHECK((rsc_id != NULL) && (node_name != NULL), return NULL);
xpath = g_string_sized_new(256);
pcmk__g_strcat(xpath,
XPATH_NODE_STATE "[@" PCMK_XA_UNAME "='", node_name, "']"
SUB_XPATH_LRM_RESOURCE "[@" PCMK_XA_ID "='", rsc_id, "']",
NULL);
xml = get_xpath_object((const char *) xpath->str, scheduler->input,
LOG_DEBUG);
g_string_free(xpath, TRUE);
return xml;
}
/*!
* \internal
* \brief Check whether a resource has no completed action history on a node
*
* \param[in,out] rsc Resource to check
* \param[in] node_name Node to check
*
* \return true if \p rsc_id is unknown on \p node_name, otherwise false
*/
static bool
unknown_on_node(pcmk_resource_t *rsc, const char *node_name)
{
bool result = false;
xmlXPathObjectPtr search;
char *xpath = NULL;
xpath = crm_strdup_printf(XPATH_NODE_STATE "[@" PCMK_XA_UNAME "='%s']"
SUB_XPATH_LRM_RESOURCE "[@" PCMK_XA_ID "='%s']"
SUB_XPATH_LRM_RSC_OP
"[@" PCMK__XA_RC_CODE "!='%d']",
node_name, rsc->id, PCMK_OCF_UNKNOWN);
search = xpath_search(rsc->cluster->input, xpath);
result = (numXpathResults(search) == 0);
freeXpathObject(search);
free(xpath);
return result;
}
/*!
* \brief Check whether a probe/monitor indicating the resource was not running
* on a node happened after some event
*
* \param[in] rsc_id Resource being checked
* \param[in] node_name Node being checked
* \param[in] xml_op Event that monitor is being compared to
* \param[in] same_node Whether the operations are on the same node
* \param[in,out] scheduler Scheduler data
*
* \return true if such a monitor happened after event, false otherwise
*/
static bool
monitor_not_running_after(const char *rsc_id, const char *node_name,
const xmlNode *xml_op, bool same_node,
pcmk_scheduler_t *scheduler)
{
/* Any probe/monitor operation on the node indicating it was not running
* there
*/
xmlNode *monitor = find_lrm_op(rsc_id, PCMK_ACTION_MONITOR, node_name,
NULL, PCMK_OCF_NOT_RUNNING, scheduler);
return (monitor && pe__is_newer_op(monitor, xml_op, same_node) > 0);
}
/*!
* \brief Check whether any non-monitor operation on a node happened after some
* event
*
* \param[in] rsc_id Resource being checked
* \param[in] node_name Node being checked
* \param[in] xml_op Event that non-monitor is being compared to
* \param[in] same_node Whether the operations are on the same node
* \param[in,out] scheduler Scheduler data
*
* \return true if such a operation happened after event, false otherwise
*/
static bool
non_monitor_after(const char *rsc_id, const char *node_name,
const xmlNode *xml_op, bool same_node,
pcmk_scheduler_t *scheduler)
{
xmlNode *lrm_resource = NULL;
lrm_resource = find_lrm_resource(rsc_id, node_name, scheduler);
if (lrm_resource == NULL) {
return false;
}
for (xmlNode *op = pcmk__xe_first_child(lrm_resource, PCMK__XE_LRM_RSC_OP,
NULL, NULL);
op != NULL; op = pcmk__xe_next_same(op)) {
const char * task = NULL;
if (op == xml_op) {
continue;
}
task = crm_element_value(op, PCMK_XA_OPERATION);
if (pcmk__str_any_of(task, PCMK_ACTION_START, PCMK_ACTION_STOP,
PCMK_ACTION_MIGRATE_TO, PCMK_ACTION_MIGRATE_FROM,
NULL)
&& pe__is_newer_op(op, xml_op, same_node) > 0) {
return true;
}
}
return false;
}
/*!
* \brief Check whether the resource has newer state on a node after a migration
* attempt
*
* \param[in] rsc_id Resource being checked
* \param[in] node_name Node being checked
* \param[in] migrate_to Any migrate_to event that is being compared to
* \param[in] migrate_from Any migrate_from event that is being compared to
* \param[in,out] scheduler Scheduler data
*
* \return true if such a operation happened after event, false otherwise
*/
static bool
newer_state_after_migrate(const char *rsc_id, const char *node_name,
const xmlNode *migrate_to,
const xmlNode *migrate_from,
pcmk_scheduler_t *scheduler)
{
const xmlNode *xml_op = migrate_to;
const char *source = NULL;
const char *target = NULL;
bool same_node = false;
if (migrate_from) {
xml_op = migrate_from;
}
source = crm_element_value(xml_op, PCMK__META_MIGRATE_SOURCE);
target = crm_element_value(xml_op, PCMK__META_MIGRATE_TARGET);
/* It's preferred to compare to the migrate event on the same node if
* existing, since call ids are more reliable.
*/
if (pcmk__str_eq(node_name, target, pcmk__str_casei)) {
if (migrate_from) {
xml_op = migrate_from;
same_node = true;
} else {
xml_op = migrate_to;
}
} else if (pcmk__str_eq(node_name, source, pcmk__str_casei)) {
if (migrate_to) {
xml_op = migrate_to;
same_node = true;
} else {
xml_op = migrate_from;
}
}
/* If there's any newer non-monitor operation on the node, or any newer
* probe/monitor operation on the node indicating it was not running there,
* the migration events potentially no longer matter for the node.
*/
return non_monitor_after(rsc_id, node_name, xml_op, same_node, scheduler)
|| monitor_not_running_after(rsc_id, node_name, xml_op, same_node,
scheduler);
}
/*!
* \internal
* \brief Parse migration source and target node names from history entry
*
* \param[in] entry Resource history entry for a migration action
* \param[in] source_node If not NULL, source must match this node
* \param[in] target_node If not NULL, target must match this node
* \param[out] source_name Where to store migration source node name
* \param[out] target_name Where to store migration target node name
*
* \return Standard Pacemaker return code
*/
static int
get_migration_node_names(const xmlNode *entry, const pcmk_node_t *source_node,
const pcmk_node_t *target_node,
const char **source_name, const char **target_name)
{
*source_name = crm_element_value(entry, PCMK__META_MIGRATE_SOURCE);
*target_name = crm_element_value(entry, PCMK__META_MIGRATE_TARGET);
if ((*source_name == NULL) || (*target_name == NULL)) {
pcmk__config_err("Ignoring resource history entry %s without "
PCMK__META_MIGRATE_SOURCE " and "
PCMK__META_MIGRATE_TARGET, pcmk__xe_id(entry));
return pcmk_rc_unpack_error;
}
if ((source_node != NULL)
&& !pcmk__str_eq(*source_name, source_node->details->uname,
pcmk__str_casei|pcmk__str_null_matches)) {
pcmk__config_err("Ignoring resource history entry %s because "
PCMK__META_MIGRATE_SOURCE "='%s' does not match %s",
pcmk__xe_id(entry), *source_name,
pcmk__node_name(source_node));
return pcmk_rc_unpack_error;
}
if ((target_node != NULL)
&& !pcmk__str_eq(*target_name, target_node->details->uname,
pcmk__str_casei|pcmk__str_null_matches)) {
pcmk__config_err("Ignoring resource history entry %s because "
PCMK__META_MIGRATE_TARGET "='%s' does not match %s",
pcmk__xe_id(entry), *target_name,
pcmk__node_name(target_node));
return pcmk_rc_unpack_error;
}
return pcmk_rc_ok;
}
/*
* \internal
* \brief Add a migration source to a resource's list of dangling migrations
*
* If the migrate_to and migrate_from actions in a live migration both
* succeeded, but there is no stop on the source, the migration is considered
* "dangling." Add the source to the resource's dangling migration list, which
* will be used to schedule a stop on the source without affecting the target.
*
* \param[in,out] rsc Resource involved in migration
* \param[in] node Migration source
*/
static void
add_dangling_migration(pcmk_resource_t *rsc, const pcmk_node_t *node)
{
pcmk__rsc_trace(rsc, "Dangling migration of %s requires stop on %s",
rsc->id, pcmk__node_name(node));
rsc->role = pcmk_role_stopped;
rsc->dangling_migrations = g_list_prepend(rsc->dangling_migrations,
(gpointer) node);
}
/*!
* \internal
* \brief Update resource role etc. after a successful migrate_to action
*
* \param[in,out] history Parsed action result history
*/
static void
unpack_migrate_to_success(struct action_history *history)
{
/* A complete migration sequence is:
* 1. migrate_to on source node (which succeeded if we get to this function)
* 2. migrate_from on target node
* 3. stop on source node
*
* If no migrate_from has happened, the migration is considered to be
* "partial". If the migrate_from succeeded but no stop has happened, the
* migration is considered to be "dangling".
*
* If a successful migrate_to and stop have happened on the source node, we
* still need to check for a partial migration, due to scenarios (easier to
* produce with batch-limit=1) like:
*
* - A resource is migrating from node1 to node2, and a migrate_to is
* initiated for it on node1.
*
* - node2 goes into standby mode while the migrate_to is pending, which
* aborts the transition.
*
* - Upon completion of the migrate_to, a new transition schedules a stop
* on both nodes and a start on node1.
*
* - If the new transition is aborted for any reason while the resource is
* stopping on node1, the transition after that stop completes will see
* the migrate_to and stop on the source, but it's still a partial
* migration, and the resource must be stopped on node2 because it is
* potentially active there due to the migrate_to.
*
* We also need to take into account that either node's history may be
* cleared at any point in the migration process.
*/
int from_rc = PCMK_OCF_OK;
int from_status = PCMK_EXEC_PENDING;
pcmk_node_t *target_node = NULL;
xmlNode *migrate_from = NULL;
const char *source = NULL;
const char *target = NULL;
bool source_newer_op = false;
bool target_newer_state = false;
bool active_on_target = false;
// Get source and target node names from XML
if (get_migration_node_names(history->xml, history->node, NULL, &source,
&target) != pcmk_rc_ok) {
return;
}
// Check for newer state on the source
source_newer_op = non_monitor_after(history->rsc->id, source, history->xml,
true, history->rsc->cluster);
// Check for a migrate_from action from this source on the target
migrate_from = find_lrm_op(history->rsc->id, PCMK_ACTION_MIGRATE_FROM,
target, source, -1, history->rsc->cluster);
if (migrate_from != NULL) {
if (source_newer_op) {
/* There's a newer non-monitor operation on the source and a
* migrate_from on the target, so this migrate_to is irrelevant to
* the resource's state.
*/
return;
}
crm_element_value_int(migrate_from, PCMK__XA_RC_CODE, &from_rc);
crm_element_value_int(migrate_from, PCMK__XA_OP_STATUS, &from_status);
}
/* If the resource has newer state on both the source and target after the
* migration events, this migrate_to is irrelevant to the resource's state.
*/
target_newer_state = newer_state_after_migrate(history->rsc->id, target,
history->xml, migrate_from,
history->rsc->cluster);
if (source_newer_op && target_newer_state) {
return;
}
/* Check for dangling migration (migrate_from succeeded but stop not done).
* We know there's no stop because we already returned if the target has a
* migrate_from and the source has any newer non-monitor operation.
*/
if ((from_rc == PCMK_OCF_OK) && (from_status == PCMK_EXEC_DONE)) {
add_dangling_migration(history->rsc, history->node);
return;
}
/* Without newer state, this migrate_to implies the resource is active.
* (Clones are not allowed to migrate, so role can't be promoted.)
*/
history->rsc->role = pcmk_role_started;
target_node = pcmk_find_node(history->rsc->cluster, target);
active_on_target = !target_newer_state && (target_node != NULL)
&& target_node->details->online;
if (from_status != PCMK_EXEC_PENDING) { // migrate_from failed on target
if (active_on_target) {
native_add_running(history->rsc, target_node, history->rsc->cluster,
TRUE);
} else {
// Mark resource as failed, require recovery, and prevent migration
pcmk__set_rsc_flags(history->rsc,
pcmk_rsc_failed|pcmk_rsc_stop_if_failed);
pcmk__clear_rsc_flags(history->rsc, pcmk_rsc_migratable);
}
return;
}
// The migrate_from is pending, complete but erased, or to be scheduled
/* If there is no history at all for the resource on an online target, then
* it was likely cleaned. Just return, and we'll schedule a probe. Once we
* have the probe result, it will be reflected in target_newer_state.
*/
if ((target_node != NULL) && target_node->details->online
&& unknown_on_node(history->rsc, target)) {
return;
}
if (active_on_target) {
pcmk_node_t *source_node = pcmk_find_node(history->rsc->cluster,
source);
native_add_running(history->rsc, target_node, history->rsc->cluster,
FALSE);
if ((source_node != NULL) && source_node->details->online) {
/* This is a partial migration: the migrate_to completed
* successfully on the source, but the migrate_from has not
* completed. Remember the source and target; if the newly
* chosen target remains the same when we schedule actions
* later, we may continue with the migration.
*/
history->rsc->partial_migration_target = target_node;
history->rsc->partial_migration_source = source_node;
}
} else if (!source_newer_op) {
// Mark resource as failed, require recovery, and prevent migration
pcmk__set_rsc_flags(history->rsc,
pcmk_rsc_failed|pcmk_rsc_stop_if_failed);
pcmk__clear_rsc_flags(history->rsc, pcmk_rsc_migratable);
}
}
/*!
* \internal
* \brief Update resource role etc. after a failed migrate_to action
*
* \param[in,out] history Parsed action result history
*/
static void
unpack_migrate_to_failure(struct action_history *history)
{
xmlNode *target_migrate_from = NULL;
const char *source = NULL;
const char *target = NULL;
// Get source and target node names from XML
if (get_migration_node_names(history->xml, history->node, NULL, &source,
&target) != pcmk_rc_ok) {
return;
}
/* If a migration failed, we have to assume the resource is active. Clones
* are not allowed to migrate, so role can't be promoted.
*/
history->rsc->role = pcmk_role_started;
// Check for migrate_from on the target
target_migrate_from = find_lrm_op(history->rsc->id,
PCMK_ACTION_MIGRATE_FROM, target, source,
PCMK_OCF_OK, history->rsc->cluster);
if (/* If the resource state is unknown on the target, it will likely be
* probed there.
* Don't just consider it running there. We will get back here anyway in
* case the probe detects it's running there.
*/
!unknown_on_node(history->rsc, target)
/* If the resource has newer state on the target after the migration
* events, this migrate_to no longer matters for the target.
*/
&& !newer_state_after_migrate(history->rsc->id, target, history->xml,
target_migrate_from,
history->rsc->cluster)) {
/* The resource has no newer state on the target, so assume it's still
* active there.
* (if it is up).
*/
pcmk_node_t *target_node = pcmk_find_node(history->rsc->cluster,
target);
if (target_node && target_node->details->online) {
native_add_running(history->rsc, target_node, history->rsc->cluster,
FALSE);
}
} else if (!non_monitor_after(history->rsc->id, source, history->xml, true,
history->rsc->cluster)) {
/* We know the resource has newer state on the target, but this
* migrate_to still matters for the source as long as there's no newer
* non-monitor operation there.
*/
// Mark node as having dangling migration so we can force a stop later
history->rsc->dangling_migrations =
g_list_prepend(history->rsc->dangling_migrations,
(gpointer) history->node);
}
}
/*!
* \internal
* \brief Update resource role etc. after a failed migrate_from action
*
* \param[in,out] history Parsed action result history
*/
static void
unpack_migrate_from_failure(struct action_history *history)
{
xmlNode *source_migrate_to = NULL;
const char *source = NULL;
const char *target = NULL;
// Get source and target node names from XML
if (get_migration_node_names(history->xml, NULL, history->node, &source,
&target) != pcmk_rc_ok) {
return;
}
/* If a migration failed, we have to assume the resource is active. Clones
* are not allowed to migrate, so role can't be promoted.
*/
history->rsc->role = pcmk_role_started;
// Check for a migrate_to on the source
source_migrate_to = find_lrm_op(history->rsc->id, PCMK_ACTION_MIGRATE_TO,
source, target, PCMK_OCF_OK,
history->rsc->cluster);
if (/* If the resource state is unknown on the source, it will likely be
* probed there.
* Don't just consider it running there. We will get back here anyway in
* case the probe detects it's running there.
*/
!unknown_on_node(history->rsc, source)
/* If the resource has newer state on the source after the migration
* events, this migrate_from no longer matters for the source.
*/
&& !newer_state_after_migrate(history->rsc->id, source,
source_migrate_to, history->xml,
history->rsc->cluster)) {
/* The resource has no newer state on the source, so assume it's still
* active there (if it is up).
*/
pcmk_node_t *source_node = pcmk_find_node(history->rsc->cluster,
source);
if (source_node && source_node->details->online) {
native_add_running(history->rsc, source_node, history->rsc->cluster,
TRUE);
}
}
}
/*!
* \internal
* \brief Add an action to cluster's list of failed actions
*
* \param[in,out] history Parsed action result history
*/
static void
record_failed_op(struct action_history *history)
{
if (!(history->node->details->online)) {
return;
}
for (const xmlNode *xIter = history->rsc->cluster->failed->children;
xIter != NULL; xIter = xIter->next) {
const char *key = pcmk__xe_history_key(xIter);
const char *uname = crm_element_value(xIter, PCMK_XA_UNAME);
if (pcmk__str_eq(history->key, key, pcmk__str_none)
&& pcmk__str_eq(uname, history->node->details->uname,
pcmk__str_casei)) {
crm_trace("Skipping duplicate entry %s on %s",
history->key, pcmk__node_name(history->node));
return;
}
}
crm_trace("Adding entry for %s on %s to failed action list",
history->key, pcmk__node_name(history->node));
crm_xml_add(history->xml, PCMK_XA_UNAME, history->node->details->uname);
crm_xml_add(history->xml, PCMK__XA_RSC_ID, history->rsc->id);
pcmk__xml_copy(history->rsc->cluster->failed, history->xml);
}
static char *
last_change_str(const xmlNode *xml_op)
{
time_t when;
char *result = NULL;
if (crm_element_value_epoch(xml_op, PCMK_XA_LAST_RC_CHANGE,
&when) == pcmk_ok) {
char *when_s = pcmk__epoch2str(&when, 0);
const char *p = strchr(when_s, ' ');
// Skip day of week to make message shorter
if ((p != NULL) && (*(++p) != '\0')) {
result = pcmk__str_copy(p);
}
free(when_s);
}
if (result == NULL) {
result = pcmk__str_copy("unknown_time");
}
return result;
}
/*!
* \internal
* \brief Compare two on-fail values
*
* \param[in] first One on-fail value to compare
* \param[in] second The other on-fail value to compare
*
* \return A negative number if second is more severe than first, zero if they
* are equal, or a positive number if first is more severe than second.
* \note This is only needed until the action_fail_response values can be
* renumbered at the next API compatibility break.
*/
static int
cmp_on_fail(enum action_fail_response first, enum action_fail_response second)
{
switch (first) {
case pcmk_on_fail_demote:
switch (second) {
case pcmk_on_fail_ignore:
return 1;
case pcmk_on_fail_demote:
return 0;
default:
return -1;
}
break;
case pcmk_on_fail_reset_remote:
switch (second) {
case pcmk_on_fail_ignore:
case pcmk_on_fail_demote:
case pcmk_on_fail_restart:
return 1;
case pcmk_on_fail_reset_remote:
return 0;
default:
return -1;
}
break;
case pcmk_on_fail_restart_container:
switch (second) {
case pcmk_on_fail_ignore:
case pcmk_on_fail_demote:
case pcmk_on_fail_restart:
case pcmk_on_fail_reset_remote:
return 1;
case pcmk_on_fail_restart_container:
return 0;
default:
return -1;
}
break;
default:
break;
}
switch (second) {
case pcmk_on_fail_demote:
return (first == pcmk_on_fail_ignore)? -1 : 1;
case pcmk_on_fail_reset_remote:
switch (first) {
case pcmk_on_fail_ignore:
case pcmk_on_fail_demote:
case pcmk_on_fail_restart:
return -1;
default:
return 1;
}
break;
case pcmk_on_fail_restart_container:
switch (first) {
case pcmk_on_fail_ignore:
case pcmk_on_fail_demote:
case pcmk_on_fail_restart:
case pcmk_on_fail_reset_remote:
return -1;
default:
return 1;
}
break;
default:
break;
}
return first - second;
}
/*!
* \internal
* \brief Ban a resource (or its clone if an anonymous instance) from all nodes
*
* \param[in,out] rsc Resource to ban
*/
static void
ban_from_all_nodes(pcmk_resource_t *rsc)
{
int score = -PCMK_SCORE_INFINITY;
pcmk_resource_t *fail_rsc = rsc;
if (fail_rsc->parent != NULL) {
pcmk_resource_t *parent = uber_parent(fail_rsc);
if (pcmk__is_anonymous_clone(parent)) {
/* For anonymous clones, if an operation with
* PCMK_META_ON_FAIL=PCMK_VALUE_STOP fails for any instance, the
* entire clone must stop.
*/
fail_rsc = parent;
}
}
// Ban the resource from all nodes
crm_notice("%s will not be started under current conditions", fail_rsc->id);
if (fail_rsc->allowed_nodes != NULL) {
g_hash_table_destroy(fail_rsc->allowed_nodes);
}
fail_rsc->allowed_nodes = pe__node_list2table(rsc->cluster->nodes);
g_hash_table_foreach(fail_rsc->allowed_nodes, set_node_score, &score);
}
/*!
* \internal
* \brief Get configured failure handling and role after failure for an action
*
* \param[in,out] history Unpacked action history entry
* \param[out] on_fail Where to set configured failure handling
* \param[out] fail_role Where to set to role after failure
*/
static void
unpack_failure_handling(struct action_history *history,
enum action_fail_response *on_fail,
enum rsc_role_e *fail_role)
{
xmlNode *config = pcmk__find_action_config(history->rsc, history->task,
history->interval_ms, true);
GHashTable *meta = pcmk__unpack_action_meta(history->rsc, history->node,
history->task,
history->interval_ms, config);
const char *on_fail_str = g_hash_table_lookup(meta, PCMK_META_ON_FAIL);
*on_fail = pcmk__parse_on_fail(history->rsc, history->task,
history->interval_ms, on_fail_str);
*fail_role = pcmk__role_after_failure(history->rsc, history->task, *on_fail,
meta);
g_hash_table_destroy(meta);
}
/*!
* \internal
* \brief Update resource role, failure handling, etc., after a failed action
*
* \param[in,out] history Parsed action result history
* \param[in] config_on_fail Action failure handling from configuration
* \param[in] fail_role Resource's role after failure of this action
* \param[out] last_failure This will be set to the history XML
* \param[in,out] on_fail Actual handling of action result
*/
static void
unpack_rsc_op_failure(struct action_history *history,
enum action_fail_response config_on_fail,
enum rsc_role_e fail_role, xmlNode **last_failure,
enum action_fail_response *on_fail)
{
bool is_probe = false;
char *last_change_s = NULL;
*last_failure = history->xml;
is_probe = pcmk_xe_is_probe(history->xml);
last_change_s = last_change_str(history->xml);
if (!pcmk_is_set(history->rsc->cluster->flags, pcmk_sched_symmetric_cluster)
&& (history->exit_status == PCMK_OCF_NOT_INSTALLED)) {
crm_trace("Unexpected result (%s%s%s) was recorded for "
"%s of %s on %s at %s " CRM_XS " exit-status=%d id=%s",
services_ocf_exitcode_str(history->exit_status),
(pcmk__str_empty(history->exit_reason)? "" : ": "),
pcmk__s(history->exit_reason, ""),
(is_probe? "probe" : history->task), history->rsc->id,
pcmk__node_name(history->node), last_change_s,
history->exit_status, history->id);
} else {
pcmk__sched_warn("Unexpected result (%s%s%s) was recorded for %s of "
"%s on %s at %s " CRM_XS " exit-status=%d id=%s",
services_ocf_exitcode_str(history->exit_status),
(pcmk__str_empty(history->exit_reason)? "" : ": "),
pcmk__s(history->exit_reason, ""),
(is_probe? "probe" : history->task), history->rsc->id,
pcmk__node_name(history->node), last_change_s,
history->exit_status, history->id);
if (is_probe && (history->exit_status != PCMK_OCF_OK)
&& (history->exit_status != PCMK_OCF_NOT_RUNNING)
&& (history->exit_status != PCMK_OCF_RUNNING_PROMOTED)) {
/* A failed (not just unexpected) probe result could mean the user
* didn't know resources will be probed even where they can't run.
*/
crm_notice("If it is not possible for %s to run on %s, see "
"the " PCMK_XA_RESOURCE_DISCOVERY " option for location "
"constraints",
history->rsc->id, pcmk__node_name(history->node));
}
record_failed_op(history);
}
free(last_change_s);
if (cmp_on_fail(*on_fail, config_on_fail) < 0) {
pcmk__rsc_trace(history->rsc, "on-fail %s -> %s for %s",
pcmk_on_fail_text(*on_fail),
pcmk_on_fail_text(config_on_fail), history->key);
*on_fail = config_on_fail;
}
if (strcmp(history->task, PCMK_ACTION_STOP) == 0) {
resource_location(history->rsc, history->node, -PCMK_SCORE_INFINITY,
"__stop_fail__", history->rsc->cluster);
} else if (strcmp(history->task, PCMK_ACTION_MIGRATE_TO) == 0) {
unpack_migrate_to_failure(history);
} else if (strcmp(history->task, PCMK_ACTION_MIGRATE_FROM) == 0) {
unpack_migrate_from_failure(history);
} else if (strcmp(history->task, PCMK_ACTION_PROMOTE) == 0) {
history->rsc->role = pcmk_role_promoted;
} else if (strcmp(history->task, PCMK_ACTION_DEMOTE) == 0) {
if (config_on_fail == pcmk_on_fail_block) {
history->rsc->role = pcmk_role_promoted;
pe__set_next_role(history->rsc, pcmk_role_stopped,
"demote with " PCMK_META_ON_FAIL "=block");
} else if (history->exit_status == PCMK_OCF_NOT_RUNNING) {
history->rsc->role = pcmk_role_stopped;
} else {
/* Staying in the promoted role would put the scheduler and
* controller into a loop. Setting the role to unpromoted is not
* dangerous because the resource will be stopped as part of
* recovery, and any promotion will be ordered after that stop.
*/
history->rsc->role = pcmk_role_unpromoted;
}
}
if (is_probe && (history->exit_status == PCMK_OCF_NOT_INSTALLED)) {
/* leave stopped */
pcmk__rsc_trace(history->rsc, "Leaving %s stopped", history->rsc->id);
history->rsc->role = pcmk_role_stopped;
} else if (history->rsc->role < pcmk_role_started) {
pcmk__rsc_trace(history->rsc, "Setting %s active", history->rsc->id);
set_active(history->rsc);
}
pcmk__rsc_trace(history->rsc,
"Resource %s: role=%s unclean=%s on_fail=%s fail_role=%s",
history->rsc->id, pcmk_role_text(history->rsc->role),
pcmk__btoa(history->node->details->unclean),
pcmk_on_fail_text(config_on_fail),
pcmk_role_text(fail_role));
if ((fail_role != pcmk_role_started)
&& (history->rsc->next_role < fail_role)) {
pe__set_next_role(history->rsc, fail_role, "failure");
}
if (fail_role == pcmk_role_stopped) {
ban_from_all_nodes(history->rsc);
}
}
/*!
* \internal
* \brief Block a resource with a failed action if it cannot be recovered
*
* If resource action is a failed stop and fencing is not possible, mark the
* resource as unmanaged and blocked, since recovery cannot be done.
*
* \param[in,out] history Parsed action history entry
*/
static void
block_if_unrecoverable(struct action_history *history)
{
char *last_change_s = NULL;
if (strcmp(history->task, PCMK_ACTION_STOP) != 0) {
return; // All actions besides stop are always recoverable
}
if (pe_can_fence(history->node->details->data_set, history->node)) {
return; // Failed stops are recoverable via fencing
}
last_change_s = last_change_str(history->xml);
pcmk__sched_err("No further recovery can be attempted for %s "
"because %s on %s failed (%s%s%s) at %s "
CRM_XS " rc=%d id=%s",
history->rsc->id, history->task,
pcmk__node_name(history->node),
services_ocf_exitcode_str(history->exit_status),
(pcmk__str_empty(history->exit_reason)? "" : ": "),
pcmk__s(history->exit_reason, ""),
last_change_s, history->exit_status, history->id);
free(last_change_s);
pcmk__clear_rsc_flags(history->rsc, pcmk_rsc_managed);
pcmk__set_rsc_flags(history->rsc, pcmk_rsc_blocked);
}
/*!
* \internal
* \brief Update action history's execution status and why
*
* \param[in,out] history Parsed action history entry
* \param[out] why Where to store reason for update
* \param[in] value New value
* \param[in] reason Description of why value was changed
*/
static inline void
remap_because(struct action_history *history, const char **why, int value,
const char *reason)
{
if (history->execution_status != value) {
history->execution_status = value;
*why = reason;
}
}
/*!
* \internal
* \brief Remap informational monitor results and operation status
*
* For the monitor results, certain OCF codes are for providing extended information
* to the user about services that aren't yet failed but not entirely healthy either.
* These must be treated as the "normal" result by Pacemaker.
*
* For operation status, the action result can be used to determine an appropriate
* status for the purposes of responding to the action. The status provided by the
* executor is not directly usable since the executor does not know what was expected.
*
* \param[in,out] history Parsed action history entry
* \param[in,out] on_fail What should be done about the result
* \param[in] expired Whether result is expired
*
* \note If the result is remapped and the node is not shutting down or failed,
* the operation will be recorded in the scheduler data's list of failed
* operations to highlight it for the user.
*
* \note This may update the resource's current and next role.
*/
static void
remap_operation(struct action_history *history,
enum action_fail_response *on_fail, bool expired)
{
bool is_probe = false;
int orig_exit_status = history->exit_status;
int orig_exec_status = history->execution_status;
const char *why = NULL;
const char *task = history->task;
// Remap degraded results to their successful counterparts
history->exit_status = pcmk__effective_rc(history->exit_status);
if (history->exit_status != orig_exit_status) {
why = "degraded result";
if (!expired && (!history->node->details->shutdown
|| history->node->details->online)) {
record_failed_op(history);
}
}
if (!pcmk__is_bundled(history->rsc)
&& pcmk_xe_mask_probe_failure(history->xml)
&& ((history->execution_status != PCMK_EXEC_DONE)
|| (history->exit_status != PCMK_OCF_NOT_RUNNING))) {
history->execution_status = PCMK_EXEC_DONE;
history->exit_status = PCMK_OCF_NOT_RUNNING;
why = "equivalent probe result";
}
/* If the executor reported an execution status of anything but done or
* error, consider that final. But for done or error, we know better whether
* it should be treated as a failure or not, because we know the expected
* result.
*/
switch (history->execution_status) {
case PCMK_EXEC_DONE:
case PCMK_EXEC_ERROR:
break;
// These should be treated as node-fatal
case PCMK_EXEC_NO_FENCE_DEVICE:
case PCMK_EXEC_NO_SECRETS:
remap_because(history, &why, PCMK_EXEC_ERROR_HARD,
"node-fatal error");
goto remap_done;
default:
goto remap_done;
}
is_probe = pcmk_xe_is_probe(history->xml);
if (is_probe) {
task = "probe";
}
if (history->expected_exit_status < 0) {
/* Pre-1.0 Pacemaker versions, and Pacemaker 1.1.6 or earlier with
* Heartbeat 2.0.7 or earlier as the cluster layer, did not include the
* expected exit status in the transition key, which (along with the
* similar case of a corrupted transition key in the CIB) will be
* reported to this function as -1. Pacemaker 2.0+ does not support
* rolling upgrades from those versions or processing of saved CIB files
* from those versions, so we do not need to care much about this case.
*/
remap_because(history, &why, PCMK_EXEC_ERROR,
"obsolete history format");
pcmk__config_warn("Expected result not found for %s on %s "
"(corrupt or obsolete CIB?)",
history->key, pcmk__node_name(history->node));
} else if (history->exit_status == history->expected_exit_status) {
remap_because(history, &why, PCMK_EXEC_DONE, "expected result");
} else {
remap_because(history, &why, PCMK_EXEC_ERROR, "unexpected result");
pcmk__rsc_debug(history->rsc,
"%s on %s: expected %d (%s), got %d (%s%s%s)",
history->key, pcmk__node_name(history->node),
history->expected_exit_status,
services_ocf_exitcode_str(history->expected_exit_status),
history->exit_status,
services_ocf_exitcode_str(history->exit_status),
(pcmk__str_empty(history->exit_reason)? "" : ": "),
pcmk__s(history->exit_reason, ""));
}
switch (history->exit_status) {
case PCMK_OCF_OK:
if (is_probe
&& (history->expected_exit_status == PCMK_OCF_NOT_RUNNING)) {
char *last_change_s = last_change_str(history->xml);
remap_because(history, &why, PCMK_EXEC_DONE, "probe");
pcmk__rsc_info(history->rsc,
"Probe found %s active on %s at %s",
history->rsc->id, pcmk__node_name(history->node),
last_change_s);
free(last_change_s);
}
break;
case PCMK_OCF_NOT_RUNNING:
if (is_probe
|| (history->expected_exit_status == history->exit_status)
|| !pcmk_is_set(history->rsc->flags, pcmk_rsc_managed)) {
/* For probes, recurring monitors for the Stopped role, and
* unmanaged resources, "not running" is not considered a
* failure.
*/
remap_because(history, &why, PCMK_EXEC_DONE, "exit status");
history->rsc->role = pcmk_role_stopped;
*on_fail = pcmk_on_fail_ignore;
pe__set_next_role(history->rsc, pcmk_role_unknown,
"not running");
}
break;
case PCMK_OCF_RUNNING_PROMOTED:
if (is_probe
&& (history->exit_status != history->expected_exit_status)) {
char *last_change_s = last_change_str(history->xml);
remap_because(history, &why, PCMK_EXEC_DONE, "probe");
pcmk__rsc_info(history->rsc,
"Probe found %s active and promoted on %s at %s",
history->rsc->id,
pcmk__node_name(history->node), last_change_s);
free(last_change_s);
}
if (!expired
|| (history->exit_status == history->expected_exit_status)) {
history->rsc->role = pcmk_role_promoted;
}
break;
case PCMK_OCF_FAILED_PROMOTED:
if (!expired) {
history->rsc->role = pcmk_role_promoted;
}
remap_because(history, &why, PCMK_EXEC_ERROR, "exit status");
break;
case PCMK_OCF_NOT_CONFIGURED:
remap_because(history, &why, PCMK_EXEC_ERROR_FATAL, "exit status");
break;
case PCMK_OCF_UNIMPLEMENT_FEATURE:
{
guint interval_ms = 0;
crm_element_value_ms(history->xml, PCMK_META_INTERVAL,
&interval_ms);
if (interval_ms == 0) {
if (!expired) {
block_if_unrecoverable(history);
}
remap_because(history, &why, PCMK_EXEC_ERROR_HARD,
"exit status");
} else {
remap_because(history, &why, PCMK_EXEC_NOT_SUPPORTED,
"exit status");
}
}
break;
case PCMK_OCF_NOT_INSTALLED:
case PCMK_OCF_INVALID_PARAM:
case PCMK_OCF_INSUFFICIENT_PRIV:
if (!expired) {
block_if_unrecoverable(history);
}
remap_because(history, &why, PCMK_EXEC_ERROR_HARD, "exit status");
break;
default:
if (history->execution_status == PCMK_EXEC_DONE) {
char *last_change_s = last_change_str(history->xml);
crm_info("Treating unknown exit status %d from %s of %s "
"on %s at %s as failure",
history->exit_status, task, history->rsc->id,
pcmk__node_name(history->node), last_change_s);
remap_because(history, &why, PCMK_EXEC_ERROR,
"unknown exit status");
free(last_change_s);
}
break;
}
remap_done:
if (why != NULL) {
pcmk__rsc_trace(history->rsc,
"Remapped %s result from [%s: %s] to [%s: %s] "
"because of %s",
history->key, pcmk_exec_status_str(orig_exec_status),
crm_exit_str(orig_exit_status),
pcmk_exec_status_str(history->execution_status),
crm_exit_str(history->exit_status), why);
}
}
// return TRUE if start or monitor last failure but parameters changed
static bool
should_clear_for_param_change(const xmlNode *xml_op, const char *task,
pcmk_resource_t *rsc, pcmk_node_t *node)
{
if (pcmk__str_any_of(task, PCMK_ACTION_START, PCMK_ACTION_MONITOR, NULL)) {
if (pe__bundle_needs_remote_name(rsc)) {
/* We haven't allocated resources yet, so we can't reliably
* substitute addr parameters for the REMOTE_CONTAINER_HACK.
* When that's needed, defer the check until later.
*/
pe__add_param_check(xml_op, rsc, node, pcmk__check_last_failure,
rsc->cluster);
} else {
pcmk__op_digest_t *digest_data = NULL;
digest_data = rsc_action_digest_cmp(rsc, xml_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_history_key(xml_op),
node->details->id);
break;
case pcmk__digest_match:
break;
default:
return TRUE;
}
}
}
return FALSE;
}
// Order action after fencing of remote node, given connection rsc
static void
order_after_remote_fencing(pcmk_action_t *action, pcmk_resource_t *remote_conn,
pcmk_scheduler_t *scheduler)
{
pcmk_node_t *remote_node = pcmk_find_node(scheduler, remote_conn->id);
if (remote_node) {
pcmk_action_t *fence = pe_fence_op(remote_node, NULL, TRUE, NULL,
FALSE, scheduler);
order_actions(fence, action, pcmk__ar_first_implies_then);
}
}
static bool
should_ignore_failure_timeout(const pcmk_resource_t *rsc, const char *task,
guint interval_ms, bool is_last_failure)
{
/* Clearing failures of recurring monitors has special concerns. The
* executor reports only changes in the monitor result, so if the
* monitor is still active and still getting the same failure result,
* that will go undetected after the failure is cleared.
*
* Also, the operation history will have the time when the recurring
* monitor result changed to the given code, not the time when the
* result last happened.
*
* @TODO We probably should clear such failures only when the failure
* timeout has passed since the last occurrence of the failed result.
* However we don't record that information. We could maybe approximate
* that by clearing only if there is a more recent successful monitor or
* stop result, but we don't even have that information at this point
* since we are still unpacking the resource's operation history.
*
* This is especially important for remote connection resources with a
* reconnect interval, so in that case, we skip clearing failures
* if the remote node hasn't been fenced.
*/
if (rsc->remote_reconnect_ms
&& pcmk_is_set(rsc->cluster->flags, pcmk_sched_fencing_enabled)
&& (interval_ms != 0)
&& pcmk__str_eq(task, PCMK_ACTION_MONITOR, pcmk__str_casei)) {
pcmk_node_t *remote_node = pcmk_find_node(rsc->cluster, rsc->id);
if (remote_node && !remote_node->details->remote_was_fenced) {
if (is_last_failure) {
crm_info("Waiting to clear monitor failure for remote node %s"
" until fencing has occurred", rsc->id);
}
return TRUE;
}
}
return FALSE;
}
/*!
* \internal
* \brief Check operation age and schedule failure clearing when appropriate
*
* This function has two distinct purposes. The first is to check whether an
* operation history entry is expired (i.e. the resource has a failure timeout,
* the entry is older than the timeout, and the resource either has no fail
* count or its fail count is entirely older than the timeout). The second is to
* schedule fail count clearing when appropriate (i.e. the operation is expired
* and either the resource has an expired fail count or the operation is a
* last_failure for a remote connection resource with a reconnect interval,
* or the operation is a last_failure for a start or monitor operation and the
* resource's parameters have changed since the operation).
*
* \param[in,out] history Parsed action result history
*
* \return true if operation history entry is expired, otherwise false
*/
static bool
check_operation_expiry(struct action_history *history)
{
bool expired = false;
bool is_last_failure = pcmk__ends_with(history->id, "_last_failure_0");
time_t last_run = 0;
int unexpired_fail_count = 0;
const char *clear_reason = NULL;
if (history->execution_status == PCMK_EXEC_NOT_INSTALLED) {
pcmk__rsc_trace(history->rsc,
"Resource history entry %s on %s is not expired: "
"Not Installed does not expire",
history->id, pcmk__node_name(history->node));
return false; // "Not installed" must always be cleared manually
}
if ((history->rsc->failure_timeout > 0)
&& (crm_element_value_epoch(history->xml, PCMK_XA_LAST_RC_CHANGE,
&last_run) == 0)) {
/* Resource has a PCMK_META_FAILURE_TIMEOUT and history entry has a
* timestamp
*/
time_t now = get_effective_time(history->rsc->cluster);
time_t last_failure = 0;
// Is this particular operation history older than the failure timeout?
if ((now >= (last_run + history->rsc->failure_timeout))
&& !should_ignore_failure_timeout(history->rsc, history->task,
history->interval_ms,
is_last_failure)) {
expired = true;
}
// Does the resource as a whole have an unexpired fail count?
unexpired_fail_count = pe_get_failcount(history->node, history->rsc,
&last_failure,
pcmk__fc_effective,
history->xml);
// Update scheduler recheck time according to *last* failure
crm_trace("%s@%lld is %sexpired @%lld with unexpired_failures=%d timeout=%ds"
" last-failure@%lld",
history->id, (long long) last_run, (expired? "" : "not "),
(long long) now, unexpired_fail_count,
history->rsc->failure_timeout, (long long) last_failure);
last_failure += history->rsc->failure_timeout + 1;
if (unexpired_fail_count && (now < last_failure)) {
pe__update_recheck_time(last_failure, history->rsc->cluster,
"fail count expiration");
}
}
if (expired) {
if (pe_get_failcount(history->node, history->rsc, NULL,
pcmk__fc_default, history->xml)) {
// There is a fail count ignoring timeout
if (unexpired_fail_count == 0) {
// There is no fail count considering timeout
clear_reason = "it expired";
} else {
/* This operation is old, but there is an unexpired fail count.
* In a properly functioning cluster, this should only be
* possible if this operation is not a failure (otherwise the
* fail count should be expired too), so this is really just a
* failsafe.
*/
pcmk__rsc_trace(history->rsc,
"Resource history entry %s on %s is not "
"expired: Unexpired fail count",
history->id, pcmk__node_name(history->node));
expired = false;
}
} else if (is_last_failure
&& (history->rsc->remote_reconnect_ms != 0)) {
/* Clear any expired last failure when reconnect interval is set,
* even if there is no fail count.
*/
clear_reason = "reconnect interval is set";
}
}
if (!expired && is_last_failure
&& should_clear_for_param_change(history->xml, history->task,
history->rsc, history->node)) {
clear_reason = "resource parameters have changed";
}
if (clear_reason != NULL) {
pcmk_action_t *clear_op = NULL;
// Schedule clearing of the fail count
clear_op = pe__clear_failcount(history->rsc, history->node,
clear_reason, history->rsc->cluster);
if (pcmk_is_set(history->rsc->cluster->flags,
pcmk_sched_fencing_enabled)
&& (history->rsc->remote_reconnect_ms != 0)) {
/* If we're clearing a remote connection due to a reconnect
* interval, we want to wait until any scheduled fencing
* completes.
*
* We could limit this to remote_node->details->unclean, but at
* this point, that's always true (it won't be reliable until
* after unpack_node_history() is done).
*/
crm_info("Clearing %s failure will wait until any scheduled "
"fencing of %s completes",
history->task, history->rsc->id);
order_after_remote_fencing(clear_op, history->rsc,
history->rsc->cluster);
}
}
if (expired && (history->interval_ms == 0)
&& pcmk__str_eq(history->task, PCMK_ACTION_MONITOR, pcmk__str_none)) {
switch (history->exit_status) {
case PCMK_OCF_OK:
case PCMK_OCF_NOT_RUNNING:
case PCMK_OCF_RUNNING_PROMOTED:
case PCMK_OCF_DEGRADED:
case PCMK_OCF_DEGRADED_PROMOTED:
// Don't expire probes that return these values
pcmk__rsc_trace(history->rsc,
"Resource history entry %s on %s is not "
"expired: Probe result",
history->id, pcmk__node_name(history->node));
expired = false;
break;
}
}
return expired;
}
int
pe__target_rc_from_xml(const xmlNode *xml_op)
{
int target_rc = 0;
const char *key = crm_element_value(xml_op, PCMK__XA_TRANSITION_KEY);
if (key == NULL) {
return -1;
}
decode_transition_key(key, NULL, NULL, NULL, &target_rc);
return target_rc;
}
/*!
* \internal
* \brief Update a resource's state for an action result
*
* \param[in,out] history Parsed action history entry
* \param[in] exit_status Exit status to base new state on
* \param[in] last_failure Resource's last_failure entry, if known
* \param[in,out] on_fail Resource's current failure handling
*/
static void
update_resource_state(struct action_history *history, int exit_status,
const xmlNode *last_failure,
enum action_fail_response *on_fail)
{
bool clear_past_failure = false;
if ((exit_status == PCMK_OCF_NOT_INSTALLED)
|| (!pcmk__is_bundled(history->rsc)
&& pcmk_xe_mask_probe_failure(history->xml))) {
history->rsc->role = pcmk_role_stopped;
} else if (exit_status == PCMK_OCF_NOT_RUNNING) {
clear_past_failure = true;
} else if (pcmk__str_eq(history->task, PCMK_ACTION_MONITOR,
pcmk__str_none)) {
if ((last_failure != NULL)
&& pcmk__str_eq(history->key, pcmk__xe_history_key(last_failure),
pcmk__str_none)) {
clear_past_failure = true;
}
if (history->rsc->role < pcmk_role_started) {
set_active(history->rsc);
}
} else if (pcmk__str_eq(history->task, PCMK_ACTION_START, pcmk__str_none)) {
history->rsc->role = pcmk_role_started;
clear_past_failure = true;
} else if (pcmk__str_eq(history->task, PCMK_ACTION_STOP, pcmk__str_none)) {
history->rsc->role = pcmk_role_stopped;
clear_past_failure = true;
} else if (pcmk__str_eq(history->task, PCMK_ACTION_PROMOTE,
pcmk__str_none)) {
history->rsc->role = pcmk_role_promoted;
clear_past_failure = true;
} else if (pcmk__str_eq(history->task, PCMK_ACTION_DEMOTE,
pcmk__str_none)) {
if (*on_fail == pcmk_on_fail_demote) {
/* Demote clears an error only if
* PCMK_META_ON_FAIL=PCMK_VALUE_DEMOTE
*/
clear_past_failure = true;
}
history->rsc->role = pcmk_role_unpromoted;
} else if (pcmk__str_eq(history->task, PCMK_ACTION_MIGRATE_FROM,
pcmk__str_none)) {
history->rsc->role = pcmk_role_started;
clear_past_failure = true;
} else if (pcmk__str_eq(history->task, PCMK_ACTION_MIGRATE_TO,
pcmk__str_none)) {
unpack_migrate_to_success(history);
} else if (history->rsc->role < pcmk_role_started) {
pcmk__rsc_trace(history->rsc, "%s active on %s",
history->rsc->id, pcmk__node_name(history->node));
set_active(history->rsc);
}
if (!clear_past_failure) {
return;
}
switch (*on_fail) {
case pcmk_on_fail_stop:
case pcmk_on_fail_ban:
case pcmk_on_fail_standby_node:
case pcmk_on_fail_fence_node:
pcmk__rsc_trace(history->rsc,
"%s (%s) is not cleared by a completed %s",
history->rsc->id, pcmk_on_fail_text(*on_fail),
history->task);
break;
case pcmk_on_fail_block:
case pcmk_on_fail_ignore:
case pcmk_on_fail_demote:
case pcmk_on_fail_restart:
case pcmk_on_fail_restart_container:
*on_fail = pcmk_on_fail_ignore;
pe__set_next_role(history->rsc, pcmk_role_unknown,
"clear past failures");
break;
case pcmk_on_fail_reset_remote:
if (history->rsc->remote_reconnect_ms == 0) {
/* With no reconnect interval, the connection is allowed to
* start again after the remote node is fenced and
* completely stopped. (With a reconnect interval, we wait
* for the failure to be cleared entirely before attempting
* to reconnect.)
*/
*on_fail = pcmk_on_fail_ignore;
pe__set_next_role(history->rsc, pcmk_role_unknown,
"clear past failures and reset remote");
}
break;
}
}
/*!
* \internal
* \brief Check whether a given history entry matters for resource state
*
* \param[in] history Parsed action history entry
*
* \return true if action can affect resource state, otherwise false
*/
static inline bool
can_affect_state(struct action_history *history)
{
#if 0
/* @COMPAT It might be better to parse only actions we know we're interested
* in, rather than exclude a couple we don't. However that would be a
* behavioral change that should be done at a major or minor series release.
* Currently, unknown operations can affect whether a resource is considered
* active and/or failed.
*/
return pcmk__str_any_of(history->task, PCMK_ACTION_MONITOR,
PCMK_ACTION_START, PCMK_ACTION_STOP,
PCMK_ACTION_PROMOTE, PCMK_ACTION_DEMOTE,
PCMK_ACTION_MIGRATE_TO, PCMK_ACTION_MIGRATE_FROM,
"asyncmon", NULL);
#else
return !pcmk__str_any_of(history->task, PCMK_ACTION_NOTIFY,
PCMK_ACTION_META_DATA, NULL);
#endif
}
/*!
* \internal
* \brief Unpack execution/exit status and exit reason from a history entry
*
* \param[in,out] history Action history entry to unpack
*
* \return Standard Pacemaker return code
*/
static int
unpack_action_result(struct action_history *history)
{
if ((crm_element_value_int(history->xml, PCMK__XA_OP_STATUS,
&(history->execution_status)) < 0)
|| (history->execution_status < PCMK_EXEC_PENDING)
|| (history->execution_status > PCMK_EXEC_MAX)
|| (history->execution_status == PCMK_EXEC_CANCELLED)) {
pcmk__config_err("Ignoring resource history entry %s for %s on %s "
"with invalid " PCMK__XA_OP_STATUS " '%s'",
history->id, history->rsc->id,
pcmk__node_name(history->node),
pcmk__s(crm_element_value(history->xml,
PCMK__XA_OP_STATUS),
""));
return pcmk_rc_unpack_error;
}
if ((crm_element_value_int(history->xml, PCMK__XA_RC_CODE,
&(history->exit_status)) < 0)
|| (history->exit_status < 0) || (history->exit_status > CRM_EX_MAX)) {
#if 0
/* @COMPAT We should ignore malformed entries, but since that would
* change behavior, it should be done at a major or minor series
* release.
*/
pcmk__config_err("Ignoring resource history entry %s for %s on %s "
"with invalid " PCMK__XA_RC_CODE " '%s'",
history->id, history->rsc->id,
pcmk__node_name(history->node),
pcmk__s(crm_element_value(history->xml,
PCMK__XA_RC_CODE),
""));
return pcmk_rc_unpack_error;
#else
history->exit_status = CRM_EX_ERROR;
#endif
}
history->exit_reason = crm_element_value(history->xml, PCMK_XA_EXIT_REASON);
return pcmk_rc_ok;
}
/*!
* \internal
* \brief Process an action history entry whose result expired
*
* \param[in,out] history Parsed action history entry
* \param[in] orig_exit_status Action exit status before remapping
*
* \return Standard Pacemaker return code (in particular, pcmk_rc_ok means the
* entry needs no further processing)
*/
static int
process_expired_result(struct action_history *history, int orig_exit_status)
{
if (!pcmk__is_bundled(history->rsc)
&& pcmk_xe_mask_probe_failure(history->xml)
&& (orig_exit_status != history->expected_exit_status)) {
if (history->rsc->role <= pcmk_role_stopped) {
history->rsc->role = pcmk_role_unknown;
}
crm_trace("Ignoring resource history entry %s for probe of %s on %s: "
"Masked failure expired",
history->id, history->rsc->id,
pcmk__node_name(history->node));
return pcmk_rc_ok;
}
if (history->exit_status == history->expected_exit_status) {
return pcmk_rc_undetermined; // Only failures expire
}
if (history->interval_ms == 0) {
crm_notice("Ignoring resource history entry %s for %s of %s on %s: "
"Expired failure",
history->id, history->task, history->rsc->id,
pcmk__node_name(history->node));
return pcmk_rc_ok;
}
if (history->node->details->online && !history->node->details->unclean) {
/* Reschedule the recurring action. schedule_cancel() won't work at
* this stage, so as a hacky workaround, forcibly change the restart
* digest so pcmk__check_action_config() does what we want later.
*
* @TODO We should skip this if there is a newer successful monitor.
* Also, this causes rescheduling only if the history entry
* has a PCMK__XA_OP_DIGEST (which the expire-non-blocked-failure
* scheduler regression test doesn't, but that may not be a
* realistic scenario in production).
*/
crm_notice("Rescheduling %s-interval %s of %s on %s "
"after failure expired",
pcmk__readable_interval(history->interval_ms), history->task,
history->rsc->id, pcmk__node_name(history->node));
crm_xml_add(history->xml, PCMK__XA_OP_RESTART_DIGEST,
"calculated-failure-timeout");
return pcmk_rc_ok;
}
return pcmk_rc_undetermined;
}
/*!
* \internal
* \brief Process a masked probe failure
*
* \param[in,out] history Parsed action history entry
* \param[in] orig_exit_status Action exit status before remapping
* \param[in] last_failure Resource's last_failure entry, if known
* \param[in,out] on_fail Resource's current failure handling
*/
static void
mask_probe_failure(struct action_history *history, int orig_exit_status,
const xmlNode *last_failure,
enum action_fail_response *on_fail)
{
pcmk_resource_t *ban_rsc = history->rsc;
if (!pcmk_is_set(history->rsc->flags, pcmk_rsc_unique)) {
ban_rsc = uber_parent(history->rsc);
}
crm_notice("Treating probe result '%s' for %s on %s as 'not running'",
services_ocf_exitcode_str(orig_exit_status), history->rsc->id,
pcmk__node_name(history->node));
update_resource_state(history, history->expected_exit_status, last_failure,
on_fail);
crm_xml_add(history->xml, PCMK_XA_UNAME, history->node->details->uname);
record_failed_op(history);
resource_location(ban_rsc, history->node, -PCMK_SCORE_INFINITY,
"masked-probe-failure", history->rsc->cluster);
}
/*!
* \internal Check whether a given failure is for a given pending action
*
* \param[in] history Parsed history entry for pending action
* \param[in] last_failure Resource's last_failure entry, if known
*
* \return true if \p last_failure is failure of pending action in \p history,
* otherwise false
* \note Both \p history and \p last_failure must come from the same
* \c PCMK__XE_LRM_RESOURCE block, as node and resource are assumed to be
* the same.
*/
static bool
failure_is_newer(const struct action_history *history,
const xmlNode *last_failure)
{
guint failure_interval_ms = 0U;
long long failure_change = 0LL;
long long this_change = 0LL;
if (last_failure == NULL) {
return false; // Resource has no last_failure entry
}
if (!pcmk__str_eq(history->task,
crm_element_value(last_failure, PCMK_XA_OPERATION),
pcmk__str_none)) {
return false; // last_failure is for different action
}
if ((crm_element_value_ms(last_failure, PCMK_META_INTERVAL,
&failure_interval_ms) != pcmk_ok)
|| (history->interval_ms != failure_interval_ms)) {
return false; // last_failure is for action with different interval
}
if ((pcmk__scan_ll(crm_element_value(history->xml, PCMK_XA_LAST_RC_CHANGE),
&this_change, 0LL) != pcmk_rc_ok)
|| (pcmk__scan_ll(crm_element_value(last_failure,
PCMK_XA_LAST_RC_CHANGE),
&failure_change, 0LL) != pcmk_rc_ok)
|| (failure_change < this_change)) {
return false; // Failure is not known to be newer
}
return true;
}
/*!
* \internal
* \brief Update a resource's role etc. for a pending action
*
* \param[in,out] history Parsed history entry for pending action
* \param[in] last_failure Resource's last_failure entry, if known
*/
static void
process_pending_action(struct action_history *history,
const xmlNode *last_failure)
{
/* For recurring monitors, a failure is recorded only in RSC_last_failure_0,
* and there might be a RSC_monitor_INTERVAL entry with the last successful
* or pending result.
*
* If last_failure contains the failure of the pending recurring monitor
* we're processing here, and is newer, the action is no longer pending.
* (Pending results have call ID -1, which sorts last, so the last failure
* if any should be known.)
*/
if (failure_is_newer(history, last_failure)) {
return;
}
if (strcmp(history->task, PCMK_ACTION_START) == 0) {
pcmk__set_rsc_flags(history->rsc, pcmk_rsc_start_pending);
set_active(history->rsc);
} else if (strcmp(history->task, PCMK_ACTION_PROMOTE) == 0) {
history->rsc->role = pcmk_role_promoted;
} else if ((strcmp(history->task, PCMK_ACTION_MIGRATE_TO) == 0)
&& history->node->details->unclean) {
/* A migrate_to action is pending on a unclean source, so force a stop
* on the target.
*/
const char *migrate_target = NULL;
pcmk_node_t *target = NULL;
migrate_target = crm_element_value(history->xml,
PCMK__META_MIGRATE_TARGET);
target = pcmk_find_node(history->rsc->cluster, migrate_target);
if (target != NULL) {
stop_action(history->rsc, target, FALSE);
}
}
if (history->rsc->pending_task != NULL) {
/* There should never be multiple pending actions, but as a failsafe,
* just remember the first one processed for display purposes.
*/
return;
}
if (pcmk_is_probe(history->task, history->interval_ms)) {
/* Pending probes are currently never displayed, even if pending
* operations are requested. If we ever want to change that,
* enable the below and the corresponding part of
* native.c:native_pending_task().
*/
#if 0
history->rsc->pending_task = strdup("probe");
history->rsc->pending_node = history->node;
#endif
} else {
history->rsc->pending_task = strdup(history->task);
history->rsc->pending_node = history->node;
}
}
static void
unpack_rsc_op(pcmk_resource_t *rsc, pcmk_node_t *node, xmlNode *xml_op,
xmlNode **last_failure, enum action_fail_response *on_fail)
{
int old_rc = 0;
bool expired = false;
pcmk_resource_t *parent = rsc;
enum rsc_role_e fail_role = pcmk_role_unknown;
enum action_fail_response failure_strategy = pcmk_on_fail_restart;
struct action_history history = {
.rsc = rsc,
.node = node,
.xml = xml_op,
.execution_status = PCMK_EXEC_UNKNOWN,
};
CRM_CHECK(rsc && node && xml_op, return);
history.id = pcmk__xe_id(xml_op);
if (history.id == NULL) {
pcmk__config_err("Ignoring resource history entry for %s on %s "
"without ID", rsc->id, pcmk__node_name(node));
return;
}
// Task and interval
history.task = crm_element_value(xml_op, PCMK_XA_OPERATION);
if (history.task == NULL) {
pcmk__config_err("Ignoring resource history entry %s for %s on %s "
"without " PCMK_XA_OPERATION,
history.id, rsc->id, pcmk__node_name(node));
return;
}
crm_element_value_ms(xml_op, PCMK_META_INTERVAL, &(history.interval_ms));
if (!can_affect_state(&history)) {
pcmk__rsc_trace(rsc,
"Ignoring resource history entry %s for %s on %s "
"with irrelevant action '%s'",
history.id, rsc->id, pcmk__node_name(node),
history.task);
return;
}
if (unpack_action_result(&history) != pcmk_rc_ok) {
return; // Error already logged
}
history.expected_exit_status = pe__target_rc_from_xml(xml_op);
history.key = pcmk__xe_history_key(xml_op);
crm_element_value_int(xml_op, PCMK__XA_CALL_ID, &(history.call_id));
pcmk__rsc_trace(rsc, "Unpacking %s (%s call %d on %s): %s (%s)",
history.id, history.task, history.call_id,
pcmk__node_name(node),
pcmk_exec_status_str(history.execution_status),
crm_exit_str(history.exit_status));
if (node->details->unclean) {
pcmk__rsc_trace(rsc,
"%s is running on %s, which is unclean (further action "
"depends on value of stop's on-fail attribute)",
rsc->id, pcmk__node_name(node));
}
expired = check_operation_expiry(&history);
old_rc = history.exit_status;
remap_operation(&history, on_fail, expired);
if (expired && (process_expired_result(&history, old_rc) == pcmk_rc_ok)) {
goto done;
}
if (!pcmk__is_bundled(rsc) && pcmk_xe_mask_probe_failure(xml_op)) {
mask_probe_failure(&history, old_rc, *last_failure, on_fail);
goto done;
}
if (!pcmk_is_set(rsc->flags, pcmk_rsc_unique)) {
parent = uber_parent(rsc);
}
switch (history.execution_status) {
case PCMK_EXEC_PENDING:
process_pending_action(&history, *last_failure);
goto done;
case PCMK_EXEC_DONE:
update_resource_state(&history, history.exit_status, *last_failure,
on_fail);
goto done;
case PCMK_EXEC_NOT_INSTALLED:
unpack_failure_handling(&history, &failure_strategy, &fail_role);
if (failure_strategy == pcmk_on_fail_ignore) {
crm_warn("Cannot ignore failed %s of %s on %s: "
"Resource agent doesn't exist "
CRM_XS " status=%d rc=%d id=%s",
history.task, rsc->id, pcmk__node_name(node),
history.execution_status, history.exit_status,
history.id);
/* Also for printing it as "FAILED" by marking it as
* pcmk_rsc_failed later
*/
*on_fail = pcmk_on_fail_ban;
}
resource_location(parent, node, -PCMK_SCORE_INFINITY,
"hard-error", rsc->cluster);
unpack_rsc_op_failure(&history, failure_strategy, fail_role,
last_failure, on_fail);
goto done;
case PCMK_EXEC_NOT_CONNECTED:
if (pcmk__is_pacemaker_remote_node(node)
&& pcmk_is_set(node->details->remote_rsc->flags,
pcmk_rsc_managed)) {
/* We should never get into a situation where a managed remote
* connection resource is considered OK but a resource action
* behind the connection gets a "not connected" status. But as a
* fail-safe in case a bug or unusual circumstances do lead to
* that, ensure the remote connection is considered failed.
*/
pcmk__set_rsc_flags(node->details->remote_rsc,
pcmk_rsc_failed|pcmk_rsc_stop_if_failed);
}
break; // Not done, do error handling
case PCMK_EXEC_ERROR:
case PCMK_EXEC_ERROR_HARD:
case PCMK_EXEC_ERROR_FATAL:
case PCMK_EXEC_TIMEOUT:
case PCMK_EXEC_NOT_SUPPORTED:
case PCMK_EXEC_INVALID:
break; // Not done, do error handling
default: // No other value should be possible at this point
break;
}
unpack_failure_handling(&history, &failure_strategy, &fail_role);
if ((failure_strategy == pcmk_on_fail_ignore)
|| ((failure_strategy == pcmk_on_fail_restart_container)
&& (strcmp(history.task, PCMK_ACTION_STOP) == 0))) {
char *last_change_s = last_change_str(xml_op);
crm_warn("Pretending failed %s (%s%s%s) of %s on %s at %s succeeded "
CRM_XS " %s",
history.task, services_ocf_exitcode_str(history.exit_status),
(pcmk__str_empty(history.exit_reason)? "" : ": "),
pcmk__s(history.exit_reason, ""), rsc->id,
pcmk__node_name(node), last_change_s, history.id);
free(last_change_s);
update_resource_state(&history, history.expected_exit_status,
*last_failure, on_fail);
crm_xml_add(xml_op, PCMK_XA_UNAME, node->details->uname);
pcmk__set_rsc_flags(rsc, pcmk_rsc_ignore_failure);
record_failed_op(&history);
if ((failure_strategy == pcmk_on_fail_restart_container)
&& cmp_on_fail(*on_fail, pcmk_on_fail_restart) <= 0) {
*on_fail = failure_strategy;
}
} else {
unpack_rsc_op_failure(&history, failure_strategy, fail_role,
last_failure, on_fail);
if (history.execution_status == PCMK_EXEC_ERROR_HARD) {
uint8_t log_level = LOG_ERR;
if (history.exit_status == PCMK_OCF_NOT_INSTALLED) {
log_level = LOG_NOTICE;
}
do_crm_log(log_level,
"Preventing %s from restarting on %s because "
"of hard failure (%s%s%s) " CRM_XS " %s",
parent->id, pcmk__node_name(node),
services_ocf_exitcode_str(history.exit_status),
(pcmk__str_empty(history.exit_reason)? "" : ": "),
pcmk__s(history.exit_reason, ""), history.id);
resource_location(parent, node, -PCMK_SCORE_INFINITY,
"hard-error", rsc->cluster);
} else if (history.execution_status == PCMK_EXEC_ERROR_FATAL) {
pcmk__sched_err("Preventing %s from restarting anywhere because "
"of fatal failure (%s%s%s) " CRM_XS " %s",
parent->id,
services_ocf_exitcode_str(history.exit_status),
(pcmk__str_empty(history.exit_reason)? "" : ": "),
pcmk__s(history.exit_reason, ""), history.id);
resource_location(parent, NULL, -PCMK_SCORE_INFINITY,
"fatal-error", rsc->cluster);
}
}
done:
pcmk__rsc_trace(rsc, "%s role on %s after %s is %s (next %s)",
rsc->id, pcmk__node_name(node), history.id,
pcmk_role_text(rsc->role),
pcmk_role_text(rsc->next_role));
}
static void
add_node_attrs(const xmlNode *xml_obj, pcmk_node_t *node, bool overwrite,
pcmk_scheduler_t *scheduler)
{
const char *cluster_name = NULL;
pe_rule_eval_data_t rule_data = {
.node_hash = NULL,
.now = scheduler->now,
.match_data = NULL,
.rsc_data = NULL,
.op_data = NULL
};
pcmk__insert_dup(node->details->attrs,
CRM_ATTR_UNAME, node->details->uname);
pcmk__insert_dup(node->details->attrs, CRM_ATTR_ID, node->details->id);
if (pcmk__str_eq(node->details->id, scheduler->dc_uuid, pcmk__str_casei)) {
scheduler->dc_node = node;
node->details->is_dc = TRUE;
pcmk__insert_dup(node->details->attrs,
CRM_ATTR_IS_DC, PCMK_VALUE_TRUE);
} else {
pcmk__insert_dup(node->details->attrs,
CRM_ATTR_IS_DC, PCMK_VALUE_FALSE);
}
cluster_name = g_hash_table_lookup(scheduler->config_hash,
PCMK_OPT_CLUSTER_NAME);
if (cluster_name) {
pcmk__insert_dup(node->details->attrs, CRM_ATTR_CLUSTER_NAME,
cluster_name);
}
pe__unpack_dataset_nvpairs(xml_obj, PCMK_XE_INSTANCE_ATTRIBUTES, &rule_data,
node->details->attrs, NULL, overwrite,
scheduler);
pe__unpack_dataset_nvpairs(xml_obj, PCMK_XE_UTILIZATION, &rule_data,
node->details->utilization, NULL,
FALSE, scheduler);
if (pcmk__node_attr(node, CRM_ATTR_SITE_NAME, NULL,
pcmk__rsc_node_current) == NULL) {
const char *site_name = pcmk__node_attr(node, "site-name", NULL,
pcmk__rsc_node_current);
if (site_name) {
pcmk__insert_dup(node->details->attrs,
CRM_ATTR_SITE_NAME, site_name);
} else if (cluster_name) {
/* Default to cluster-name if unset */
pcmk__insert_dup(node->details->attrs,
CRM_ATTR_SITE_NAME, cluster_name);
}
}
}
static GList *
extract_operations(const char *node, const char *rsc, xmlNode * rsc_entry, gboolean active_filter)
{
int counter = -1;
int stop_index = -1;
int start_index = -1;
xmlNode *rsc_op = NULL;
GList *gIter = NULL;
GList *op_list = NULL;
GList *sorted_op_list = NULL;
/* extract operations */
op_list = NULL;
sorted_op_list = NULL;
for (rsc_op = pcmk__xe_first_child(rsc_entry, NULL, NULL, NULL);
rsc_op != NULL; rsc_op = pcmk__xe_next(rsc_op)) {
if (pcmk__xe_is(rsc_op, PCMK__XE_LRM_RSC_OP)) {
crm_xml_add(rsc_op, PCMK_XA_RESOURCE, rsc);
crm_xml_add(rsc_op, PCMK_XA_UNAME, node);
op_list = g_list_prepend(op_list, rsc_op);
}
}
if (op_list == NULL) {
/* if there are no operations, there is nothing to do */
return NULL;
}
sorted_op_list = g_list_sort(op_list, sort_op_by_callid);
/* create active recurring operations as optional */
if (active_filter == FALSE) {
return sorted_op_list;
}
op_list = NULL;
calculate_active_ops(sorted_op_list, &start_index, &stop_index);
for (gIter = sorted_op_list; gIter != NULL; gIter = gIter->next) {
xmlNode *rsc_op = (xmlNode *) gIter->data;
counter++;
if (start_index < stop_index) {
crm_trace("Skipping %s: not active", pcmk__xe_id(rsc_entry));
break;
} else if (counter < start_index) {
crm_trace("Skipping %s: old", pcmk__xe_id(rsc_op));
continue;
}
op_list = g_list_append(op_list, rsc_op);
}
g_list_free(sorted_op_list);
return op_list;
}
GList *
find_operations(const char *rsc, const char *node, gboolean active_filter,
pcmk_scheduler_t *scheduler)
{
GList *output = NULL;
GList *intermediate = NULL;
xmlNode *tmp = NULL;
xmlNode *status = pcmk__xe_first_child(scheduler->input, PCMK_XE_STATUS,
NULL, NULL);
pcmk_node_t *this_node = NULL;
xmlNode *node_state = NULL;
CRM_CHECK(status != NULL, return NULL);
for (node_state = pcmk__xe_first_child(status, NULL, NULL, NULL);
node_state != NULL; node_state = pcmk__xe_next(node_state)) {
if (pcmk__xe_is(node_state, PCMK__XE_NODE_STATE)) {
const char *uname = crm_element_value(node_state, PCMK_XA_UNAME);
if (node != NULL && !pcmk__str_eq(uname, node, pcmk__str_casei)) {
continue;
}
this_node = pcmk_find_node(scheduler, uname);
if(this_node == NULL) {
CRM_LOG_ASSERT(this_node != NULL);
continue;
} else if (pcmk__is_pacemaker_remote_node(this_node)) {
determine_remote_online_status(scheduler, this_node);
} else {
determine_online_status(node_state, this_node, scheduler);
}
if (this_node->details->online
|| pcmk_is_set(scheduler->flags, pcmk_sched_fencing_enabled)) {
/* offline nodes run no resources...
* unless stonith is enabled in which case we need to
* make sure rsc start events happen after the stonith
*/
xmlNode *lrm_rsc = NULL;
tmp = pcmk__xe_first_child(node_state, PCMK__XE_LRM, NULL,
NULL);
tmp = pcmk__xe_first_child(tmp, PCMK__XE_LRM_RESOURCES, NULL,
NULL);
for (lrm_rsc = pcmk__xe_first_child(tmp, NULL, NULL, NULL);
lrm_rsc != NULL; lrm_rsc = pcmk__xe_next(lrm_rsc)) {
if (pcmk__xe_is(lrm_rsc, PCMK__XE_LRM_RESOURCE)) {
const char *rsc_id = crm_element_value(lrm_rsc,
PCMK_XA_ID);
if (rsc != NULL && !pcmk__str_eq(rsc_id, rsc, pcmk__str_casei)) {
continue;
}
intermediate = extract_operations(uname, rsc_id, lrm_rsc, active_filter);
output = g_list_concat(output, intermediate);
}
}
}
}
}
return output;
}
diff --git a/tools/crm_resource_print.c b/tools/crm_resource_print.c
index c3f22c6b35..3b84bc5312 100644
--- a/tools/crm_resource_print.c
+++ b/tools/crm_resource_print.c
@@ -1,928 +1,929 @@
/*
* 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);
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->clone_name ? rsc->clone_name : rsc->id, rsc->parent ? rsc->parent->id : "NA",
+ 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, "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_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);
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);
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 2929455281..30ff05657a 100644
--- a/tools/crm_resource_runtime.c
+++ b/tools/crm_resource_runtime.c
@@ -1,2403 +1,2404 @@
/*
* 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->clone_name
- && pcmk__str_eq(requested_name, rsc->clone_name, pcmk__str_none)
+ && (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);
rc = cib->cmds->replace(cib, PCMK_XE_RESOURCES, rsc->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);
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);
CRM_ASSERT(cib != NULL);
rc = cib->cmds->replace(cib, PCMK_XE_RESOURCES, rsc->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);
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->clone_name) {
- rsc_api_id = rsc->clone_name;
+ 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 = (rsc->clone_name? rsc->clone_name : rsc->id);
+ 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
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 = rsc->clone_name ? rsc->clone_name : rsc->id;
+ 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);
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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