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common.h
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/*
* Copyright 2004-2021 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 PE_COMMON__H
# define PE_COMMON__H
#ifdef __cplusplus
extern "C" {
#endif
# include <glib.h>
# include <regex.h>
# include <crm/common/iso8601.h>
extern gboolean was_processing_error;
extern gboolean was_processing_warning;
/* The order is (partially) significant here; the values from action_fail_ignore
* through action_fail_fence 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.
*/
enum action_fail_response {
action_fail_ignore, // @TODO = 10
// @TODO action_fail_demote = 20,
action_fail_recover, // @TODO = 30
// @TODO action_fail_reset_remote = 40,
// @TODO action_fail_restart_container = 50,
action_fail_migrate, // @TODO = 60
action_fail_block, // @TODO = 70
action_fail_stop, // @TODO = 80
action_fail_standby, // @TODO = 90
action_fail_fence, // @TODO = 100
// @COMPAT Values below here are out of order for API compatibility
action_fail_restart_container,
/* This is reserved for internal use for remote node connection resources.
* Fence the remote node if stonith is enabled, otherwise attempt to recover
* the connection resource. This allows us to specify types of connection
* resource failures that should result in fencing the remote node
* (for example, recurring monitor failures).
*/
action_fail_reset_remote,
action_fail_demote,
};
/* the "done" action must be the "pre" action +1 */
enum action_tasks {
no_action,
monitor_rsc,
stop_rsc,
stopped_rsc,
start_rsc,
started_rsc,
action_notify,
action_notified,
action_promote,
action_promoted,
action_demote,
action_demoted,
shutdown_crm,
stonith_node
};
enum rsc_recovery_type {
recovery_stop_start,
recovery_stop_only,
recovery_block
};
enum rsc_start_requirement {
rsc_req_nothing, /* Allowed by custom_action() */
rsc_req_quorum, /* Enforced by custom_action() */
rsc_req_stonith /* Enforced by native_start_constraints() */
};
//! Possible roles that a resource can be in
enum rsc_role_e {
RSC_ROLE_UNKNOWN = 0,
RSC_ROLE_STOPPED = 1,
RSC_ROLE_STARTED = 2,
RSC_ROLE_UNPROMOTED = 3,
RSC_ROLE_PROMOTED = 4,
#if !defined(PCMK_ALLOW_DEPRECATED) || (PCMK_ALLOW_DEPRECATED == 1)
//! \deprecated Use RSC_ROLE_UNPROMOTED instead
RSC_ROLE_SLAVE = RSC_ROLE_UNPROMOTED,
//! \deprecated Use RSC_ROLE_PROMOTED instead
RSC_ROLE_MASTER = RSC_ROLE_PROMOTED,
#endif
};
# define RSC_ROLE_MAX (RSC_ROLE_PROMOTED + 1)
# define RSC_ROLE_UNKNOWN_S "Unknown"
# define RSC_ROLE_STOPPED_S "Stopped"
# define RSC_ROLE_STARTED_S "Started"
# define RSC_ROLE_SLAVE_S "Slave"
# define RSC_ROLE_MASTER_S "Master"
enum pe_print_options {
pe_print_log = (1 << 0), //! \deprecated
pe_print_html = (1 << 1), //! \deprecated
pe_print_ncurses = (1 << 2), //! \deprecated
pe_print_printf = (1 << 3), //! \deprecated
pe_print_dev = (1 << 4), //! \deprecated Ignored
pe_print_details = (1 << 5), //! \deprecated Ignored
pe_print_max_details = (1 << 6), //! \deprecated Ignored
pe_print_rsconly = (1 << 7),
pe_print_ops = (1 << 8),
pe_print_suppres_nl = (1 << 9),
pe_print_xml = (1 << 10), //! \deprecated
pe_print_brief = (1 << 11),
pe_print_pending = (1 << 12),
pe_print_clone_details = (1 << 13),
pe_print_clone_active = (1 << 14), // Print clone instances only if active
pe_print_implicit = (1 << 15) // Print implicitly created resources
};
const char *task2text(enum action_tasks task);
enum action_tasks text2task(const char *task);
enum rsc_role_e text2role(const char *role);
const char *role2text(enum rsc_role_e role);
const char *fail2text(enum action_fail_response fail);
const char *pe_pref(GHashTable * options, const char *name);
void calculate_active_ops(GList * sorted_op_list, int *start_index, int *stop_index);
static inline const char *
recovery2text(enum rsc_recovery_type type)
{
switch (type) {
case recovery_stop_only:
return "shutting it down";
case recovery_stop_start:
return "attempting recovery";
case recovery_block:
return "waiting for an administrator";
}
return "Unknown";
}
typedef struct pe_re_match_data {
char *string;
int nregs;
regmatch_t *pmatch;
} pe_re_match_data_t;
typedef struct pe_match_data {
pe_re_match_data_t *re;
GHashTable *params;
GHashTable *meta;
} pe_match_data_t;
typedef struct pe_rsc_eval_data {
const char *standard;
const char *provider;
const char *agent;
} pe_rsc_eval_data_t;
typedef struct pe_op_eval_data {
const char *op_name;
guint interval;
} pe_op_eval_data_t;
typedef struct pe_rule_eval_data {
GHashTable *node_hash;
enum rsc_role_e role;
crm_time_t *now;
pe_match_data_t *match_data;
pe_rsc_eval_data_t *rsc_data;
pe_op_eval_data_t *op_data;
} pe_rule_eval_data_t;
#ifdef __cplusplus
}
#endif
#endif

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