Page Menu
Home
ClusterLabs Projects
Search
Configure Global Search
Log In
Files
F1841865
No One
Temporary
Actions
View File
Edit File
Delete File
View Transforms
Subscribe
Mute Notifications
Flag For Later
Award Token
Size
18 KB
Referenced Files
None
Subscribers
None
View Options
diff --git a/include/crm/common/actions.h b/include/crm/common/actions.h
index 348d9ed832..6d10b0bd89 100644
--- a/include/crm/common/actions.h
+++ b/include/crm/common/actions.h
@@ -1,408 +1,412 @@
/*
* 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_ACTIONS__H
#define PCMK__CRM_COMMON_ACTIONS__H
#include <stdbool.h> // bool
#include <strings.h> // strcasecmp()
#include <glib.h> // gboolean, guint
#include <libxml/tree.h> // xmlNode
#include <crm/lrmd_events.h> // lrmd_event_data_t
#include <glib.h> // GList, GHashTable
#include <libxml/tree.h> // xmlNode
#include <crm/common/nodes.h>
#include <crm/common/resources.h> // enum rsc_start_requirement, etc.
#include <crm/common/scheduler_types.h> // pcmk_resource_t, pcmk_node_t
#ifdef __cplusplus
extern "C" {
#endif
/*!
* \file
* \brief APIs related to actions
* \ingroup core
*/
//! Default timeout (in milliseconds) for non-metadata actions
#define PCMK_DEFAULT_ACTION_TIMEOUT_MS 20000
// @COMPAT We don't need a separate timeout for metadata, much less a longer one
//! \deprecated Default timeout (in milliseconds) for metadata actions
#define PCMK_DEFAULT_METADATA_TIMEOUT_MS 30000
// Action names as strings
#define PCMK_ACTION_CANCEL "cancel"
#define PCMK_ACTION_CLEAR_FAILCOUNT "clear_failcount"
#define PCMK_ACTION_CLONE_ONE_OR_MORE "clone-one-or-more"
#define PCMK_ACTION_DELETE "delete"
#define PCMK_ACTION_DEMOTE "demote"
#define PCMK_ACTION_DEMOTED "demoted"
#define PCMK_ACTION_DO_SHUTDOWN "do_shutdown"
#define PCMK_ACTION_LIST "list"
#define PCMK_ACTION_LRM_DELETE "lrm_delete"
#define PCMK_ACTION_LOAD_STOPPED "load_stopped"
#define PCMK_ACTION_MAINTENANCE_NODES "maintenance_nodes"
#define PCMK_ACTION_META_DATA "meta-data"
#define PCMK_ACTION_METADATA "metadata"
#define PCMK_ACTION_MIGRATE_FROM "migrate_from"
#define PCMK_ACTION_MIGRATE_TO "migrate_to"
#define PCMK_ACTION_MONITOR "monitor"
#define PCMK_ACTION_NOTIFIED "notified"
#define PCMK_ACTION_NOTIFY "notify"
#define PCMK_ACTION_OFF "off"
#define PCMK_ACTION_ON "on"
#define PCMK_ACTION_ONE_OR_MORE "one-or-more"
#define PCMK_ACTION_PROMOTE "promote"
#define PCMK_ACTION_PROMOTED "promoted"
#define PCMK_ACTION_REBOOT "reboot"
#define PCMK_ACTION_RELOAD "reload"
#define PCMK_ACTION_RELOAD_AGENT "reload-agent"
#define PCMK_ACTION_RUNNING "running"
#define PCMK_ACTION_START "start"
#define PCMK_ACTION_STATUS "status"
#define PCMK_ACTION_STONITH "stonith"
#define PCMK_ACTION_STOP "stop"
#define PCMK_ACTION_STOPPED "stopped"
#define PCMK_ACTION_VALIDATE_ALL "validate-all"
// Possible actions (including some pseudo-actions)
// @COMPAT Make this internal when we can break API backward compatibility
//!@{
//! \deprecated Do not use (public access will be removed in a future release)
enum action_tasks {
pcmk_action_unspecified = 0, // Unspecified or unknown action
pcmk_action_monitor, // Monitor
// Each "completed" action must be the regular action plus 1
pcmk_action_stop, // Stop
pcmk_action_stopped, // Stop completed
pcmk_action_start, // Start
pcmk_action_started, // Start completed
pcmk_action_notify, // Notify
pcmk_action_notified, // Notify completed
pcmk_action_promote, // Promote
pcmk_action_promoted, // Promoted
pcmk_action_demote, // Demote
pcmk_action_demoted, // Demoted
pcmk_action_shutdown, // Shut down node
pcmk_action_fence, // Fence node
#if !defined(PCMK_ALLOW_DEPRECATED) || (PCMK_ALLOW_DEPRECATED == 1)
no_action = pcmk_action_unspecified,
monitor_rsc = pcmk_action_monitor,
stop_rsc = pcmk_action_stop,
stopped_rsc = pcmk_action_stopped,
start_rsc = pcmk_action_start,
started_rsc = pcmk_action_started,
action_notify = pcmk_action_notify,
action_notified = pcmk_action_notified,
action_promote = pcmk_action_promote,
action_promoted = pcmk_action_promoted,
action_demote = pcmk_action_demote,
action_demoted = pcmk_action_demoted,
shutdown_crm = pcmk_action_shutdown,
stonith_node = pcmk_action_fence,
#endif
};
//!@}
// Possible responses to a resource action failure
// @COMPAT Make this internal when we can break API backward compatibility
//!@{
//! \deprecated Do not use (public access will be removed in a future release)
enum action_fail_response {
/* The order is (partially) significant here; the values from
* pcmk_on_fail_ignore through pcmk_on_fail_fence_node are in order of
* increasing severity.
*
* @COMPAT The values should be ordered and numbered per the "TODO" comments
* below, so all values are in order of severity and there is room for
* future additions, but that would break API compatibility.
* @TODO For now, we just use a function to compare the values specially, but
* at the next compatibility break, we should arrange things
* properly so we can compare with less than and greater than.
*/
// @TODO Define as 10
pcmk_on_fail_ignore = 0, // Act as if failure didn't happen
// @TODO Define as 30
pcmk_on_fail_restart = 1, // Restart resource
// @TODO Define as 60
pcmk_on_fail_ban = 2, // Ban resource from current node
// @TODO Define as 70
pcmk_on_fail_block = 3, // Treat resource as unmanaged
// @TODO Define as 80
pcmk_on_fail_stop = 4, // Stop resource and leave stopped
// @TODO Define as 90
pcmk_on_fail_standby_node = 5, // Put resource's node in standby
// @TODO Define as 100
pcmk_on_fail_fence_node = 6, // Fence resource's node
// @COMPAT Values below here are out of desired order for API compatibility
// @TODO Define as 50
pcmk_on_fail_restart_container = 7, // Restart resource's container
// @TODO Define as 40
/*
* Fence the remote node created by the resource if fencing is enabled,
* otherwise attempt to restart the resource (used internally for some
* remote connection failures).
*/
pcmk_on_fail_reset_remote = 8,
// @TODO Define as 20
pcmk_on_fail_demote = 9, // Demote if promotable, else stop
#if !defined(PCMK_ALLOW_DEPRECATED) || (PCMK_ALLOW_DEPRECATED == 1)
action_fail_ignore = pcmk_on_fail_ignore,
action_fail_recover = pcmk_on_fail_restart,
action_fail_migrate = pcmk_on_fail_ban,
action_fail_block = pcmk_on_fail_block,
action_fail_stop = pcmk_on_fail_stop,
action_fail_standby = pcmk_on_fail_standby_node,
action_fail_fence = pcmk_on_fail_fence_node,
action_fail_restart_container = pcmk_on_fail_restart_container,
action_fail_reset_remote = pcmk_on_fail_reset_remote,
action_fail_demote = pcmk_on_fail_demote,
#endif
};
//!@}
// Action scheduling flags
// @COMPAT Make this internal when we can break API backward compatibility
//!@{
//! \deprecated Do not use (public access will be removed in a future release)
enum pe_action_flags {
// No action flags set (compare with equality rather than bit set)
pcmk_no_action_flags = 0,
// Whether action does not require invoking an agent
pcmk_action_pseudo = (1 << 0),
// Whether action is runnable
pcmk_action_runnable = (1 << 1),
// Whether action should not be executed
pcmk_action_optional = (1 << 2),
// Whether action should be added to transition graph even if optional
pcmk_action_always_in_graph = (1 << 3),
// Whether operation-specific instance attributes have been unpacked yet
pcmk_action_attrs_evaluated = (1 << 4),
// Whether action is allowed to be part of a live migration
pcmk_action_migratable = (1 << 7),
// Whether action has been added to transition graph
pcmk_action_added_to_graph = (1 << 8),
// Whether action is a stop to abort a dangling migration
pcmk_action_migration_abort = (1 << 11),
/*
* Whether action is an ordering point for minimum required instances
* (used to implement ordering after clones with \c PCMK_META_CLONE_MIN
* configured, and ordered sets with \c PCMK_XA_REQUIRE_ALL set to
* \c PCMK_VALUE_FALSE).
*/
pcmk_action_min_runnable = (1 << 12),
// Whether action is recurring monitor that must be rescheduled if active
pcmk_action_reschedule = (1 << 13),
// Whether action has already been processed by a recursive procedure
pcmk_action_detect_loop = (1 << 14),
// Whether action's inputs have been de-duplicated yet
pcmk_action_inputs_deduplicated = (1 << 15),
// Whether action can be executed on DC rather than own node
pcmk_action_on_dc = (1 << 16),
#if !defined(PCMK_ALLOW_DEPRECATED) || (PCMK_ALLOW_DEPRECATED == 1)
pe_action_pseudo = pcmk_action_pseudo,
pe_action_runnable = pcmk_action_runnable,
pe_action_optional = pcmk_action_optional,
pe_action_print_always = pcmk_action_always_in_graph,
pe_action_have_node_attrs = pcmk_action_attrs_evaluated,
pe_action_implied_by_stonith = (1 << 6),
pe_action_migrate_runnable = pcmk_action_migratable,
pe_action_dumped = pcmk_action_added_to_graph,
pe_action_processed = (1 << 9),
pe_action_clear = (1 << 10),
pe_action_dangle = pcmk_action_migration_abort,
pe_action_requires_any = pcmk_action_min_runnable,
pe_action_reschedule = pcmk_action_reschedule,
pe_action_tracking = pcmk_action_detect_loop,
pe_action_dedup = pcmk_action_inputs_deduplicated,
pe_action_dc = pcmk_action_on_dc,
#endif
};
//!@}
/* @COMPAT enum pe_link_state and enum pe_ordering are currently needed for
* struct pe_action_wrapper_s (which is public) but should be removed at an
* API compatibility break when that can be refactored and made internal
*/
//!@{
//! \deprecated Do not use
enum pe_link_state {
pe_link_not_dumped = 0,
pe_link_dumped = 1,
#if !defined(PCMK_ALLOW_DEPRECATED) || (PCMK_ALLOW_DEPRECATED == 1)
pe_link_dup = 2,
#endif
};
enum pe_ordering {
pe_order_none = 0x0,
#if !defined(PCMK_ALLOW_DEPRECATED) || (PCMK_ALLOW_DEPRECATED == 1)
pe_order_optional = 0x1,
pe_order_apply_first_non_migratable = 0x2,
pe_order_implies_first = 0x10,
pe_order_implies_then = 0x20,
pe_order_promoted_implies_first = 0x40,
pe_order_implies_first_migratable = 0x80,
pe_order_runnable_left = 0x100,
pe_order_pseudo_left = 0x200,
pe_order_implies_then_on_node = 0x400,
pe_order_probe = 0x800,
pe_order_restart = 0x1000,
pe_order_stonith_stop = 0x2000,
pe_order_serialize_only = 0x4000,
pe_order_same_node = 0x8000,
pe_order_implies_first_printed = 0x10000,
pe_order_implies_then_printed = 0x20000,
pe_order_asymmetrical = 0x100000,
pe_order_load = 0x200000,
pe_order_one_or_more = 0x400000,
pe_order_anti_colocation = 0x800000,
pe_order_preserve = 0x1000000,
pe_order_then_cancels_first = 0x2000000,
pe_order_trace = 0x4000000,
pe_order_implies_first_master = pe_order_promoted_implies_first,
#endif
};
// Action sequenced relative to another action
// @COMPAT This should be internal
struct pe_action_wrapper_s {
// @COMPAT This should be uint32_t
enum pe_ordering type; // Group of enum pcmk__action_relation_flags
// @COMPAT This should be a bool
enum pe_link_state state; // Whether action has been added to graph yet
pcmk_action_t *action; // Action to be sequenced
};
//!@}
-//! Implementation of pcmk_action_t
+// Implementation of pcmk_action_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_action_s {
- int id; //!< Counter to identify action
+ int id; // Counter to identify action
- /*!
+ /*
* When the controller aborts a transition graph, it sets an abort priority.
* If this priority is higher, the action will still be executed anyway.
* Pseudo-actions are always allowed, so this is irrelevant for them.
*/
int priority;
- pcmk_resource_t *rsc; //!< Resource to apply action to, if any
- pcmk_node_t *node; //!< Node to execute action on, if any
- xmlNode *op_entry; //!< Action XML configuration, if any
- char *task; //!< Action name
- char *uuid; //!< Action key
- char *cancel_task; //!< If task is "cancel", the action being cancelled
- char *reason; //!< Readable description of why action is needed
+ pcmk_resource_t *rsc; // Resource to apply action to, if any
+ pcmk_node_t *node; // Node to execute action on, if any
+ xmlNode *op_entry; // Action XML configuration, if any
+ char *task; // Action name
+ char *uuid; // Action key
+ char *cancel_task; // If task is "cancel", the action being cancelled
+ char *reason; // Readable description of why action is needed
//@ COMPAT Change to uint32_t at a compatibility break
- enum pe_action_flags flags; //!< Group of enum pe_action_flags
+ enum pe_action_flags flags; // Group of enum pe_action_flags
- enum rsc_start_requirement needs; //!< Prerequisite for recovery
- enum action_fail_response on_fail; //!< Response to failure
- enum rsc_role_e fail_role; //!< Resource role if action fails
- GHashTable *meta; //!< Meta-attributes relevant to action
- GHashTable *extra; //!< Action-specific instance attributes
+ enum rsc_start_requirement needs; // Prerequisite for recovery
+ enum action_fail_response on_fail; // Response to failure
+ enum rsc_role_e fail_role; // Resource role if action fails
+ GHashTable *meta; // Meta-attributes relevant to action
+ GHashTable *extra; // Action-specific instance attributes
/* Current count of runnable instance actions for "first" action in an
* ordering dependency with pcmk__ar_min_runnable set.
*/
- int runnable_before; //!< For Pacemaker use only
+ int runnable_before; // For Pacemaker use only
- /*!
+ /*
* Number of instance actions for "first" action in an ordering dependency
* with pcmk__ar_min_runnable set that must be runnable before this action
* can be runnable.
*/
int required_runnable_before;
// Actions in a relation with this one (as pcmk__related_action_t *)
- GList *actions_before; //!< For Pacemaker use only
- GList *actions_after; //!< For Pacemaker use only
+ GList *actions_before;
+ GList *actions_after;
/* This is intended to hold data that varies by the type of action, but is
* not currently used. Some of the above fields could be moved here except
* for API backward compatibility.
*/
- void *action_details; //!< For Pacemaker use only
+ void *action_details;
};
+//!@}
const char *pcmk_action_text(enum action_tasks action);
enum action_tasks pcmk_parse_action(const char *action_name);
const char *pcmk_on_fail_text(enum action_fail_response on_fail);
// For parsing various action-related string specifications
gboolean parse_op_key(const char *key, char **rsc_id, char **op_type,
guint *interval_ms);
gboolean decode_transition_key(const char *key, char **uuid, int *transition_id,
int *action_id, int *target_rc);
gboolean decode_transition_magic(const char *magic, char **uuid,
int *transition_id, int *action_id,
int *op_status, int *op_rc, int *target_rc);
// @COMPAT Either these shouldn't be in libcrmcommon or lrmd_event_data_t should
int rsc_op_expected_rc(const lrmd_event_data_t *event);
gboolean did_rsc_op_fail(lrmd_event_data_t *event, int target_rc);
bool crm_op_needs_metadata(const char *rsc_class, const char *op);
xmlNode *crm_create_op_xml(xmlNode *parent, const char *prefix,
const char *task, const char *interval_spec,
const char *timeout);
bool pcmk_is_probe(const char *task, guint interval);
bool pcmk_xe_is_probe(const xmlNode *xml_op);
bool pcmk_xe_mask_probe_failure(const xmlNode *xml_op);
#ifdef __cplusplus
}
#endif
#endif // PCMK__CRM_COMMON_ACTIONS__H
File Metadata
Details
Attached
Mime Type
text/x-diff
Expires
Sat, Nov 23, 9:25 AM (1 d, 6 h)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
1009511
Default Alt Text
(18 KB)
Attached To
Mode
rP Pacemaker
Attached
Detach File
Event Timeline
Log In to Comment