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diff --git a/include/crm/pengine/internal.h b/include/crm/pengine/internal.h
index 189ba7ba58..3e59502277 100644
--- a/include/crm/pengine/internal.h
+++ b/include/crm/pengine/internal.h
@@ -1,476 +1,476 @@
/*
* Copyright 2004-2020 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_INTERNAL__H
# define PE_INTERNAL__H
# include <string.h>
# include <crm/pengine/status.h>
# include <crm/pengine/remote_internal.h>
# include <crm/common/output.h>
# define pe_rsc_info(rsc, fmt, args...) crm_log_tag(LOG_INFO, rsc ? rsc->id : "<NULL>", fmt, ##args)
# define pe_rsc_debug(rsc, fmt, args...) crm_log_tag(LOG_DEBUG, rsc ? rsc->id : "<NULL>", fmt, ##args)
# define pe_rsc_trace(rsc, fmt, args...) crm_log_tag(LOG_TRACE, rsc ? rsc->id : "<NULL>", fmt, ##args)
# define pe_err(fmt...) { was_processing_error = TRUE; crm_config_error = TRUE; crm_err(fmt); }
# define pe_warn(fmt...) { was_processing_warning = TRUE; crm_config_warning = TRUE; crm_warn(fmt); }
# define pe_proc_err(fmt...) { was_processing_error = TRUE; crm_err(fmt); }
# define pe_proc_warn(fmt...) { was_processing_warning = TRUE; crm_warn(fmt); }
# define pe_set_action_bit(action, bit) action->flags = crm_set_bit(__FUNCTION__, __LINE__, action->uuid, action->flags, bit)
# define pe_clear_action_bit(action, bit) action->flags = crm_clear_bit(__FUNCTION__, __LINE__, action->uuid, action->flags, bit)
// Some warnings we don't want to print every transition
enum pe_warn_once_e {
pe_wo_blind = 0x0001,
pe_wo_restart_type = 0x0002,
pe_wo_role_after = 0x0004,
pe_wo_poweroff = 0x0008,
pe_wo_require_all = 0x0010,
pe_wo_order_score = 0x0020,
pe_wo_neg_threshold = 0x0040,
};
extern uint32_t pe_wo;
#define pe_warn_once(pe_wo_bit, fmt...) do { \
if (is_not_set(pe_wo, pe_wo_bit)) { \
if (pe_wo_bit == pe_wo_blind) { \
crm_warn(fmt); \
} else { \
pe_warn(fmt); \
} \
set_bit(pe_wo, pe_wo_bit); \
} \
} while (0);
typedef struct pe__location_constraint_s {
char *id; // Constraint XML ID
pe_resource_t *rsc_lh; // Resource being located
enum rsc_role_e role_filter; // Role to locate
enum pe_discover_e discover_mode; // Resource discovery
GListPtr node_list_rh; // List of pe_node_t*
} pe__location_t;
typedef struct pe__order_constraint_s {
int id;
enum pe_ordering type;
void *lh_opaque;
pe_resource_t *lh_rsc;
pe_action_t *lh_action;
char *lh_action_task;
void *rh_opaque;
pe_resource_t *rh_rsc;
pe_action_t *rh_action;
char *rh_action_task;
} pe__ordering_t;
typedef struct notify_data_s {
GSList *keys; // Environment variable name/value pairs
const char *action;
pe_action_t *pre;
pe_action_t *post;
pe_action_t *pre_done;
pe_action_t *post_done;
GListPtr active; /* notify_entry_t* */
GListPtr inactive; /* notify_entry_t* */
GListPtr start; /* notify_entry_t* */
GListPtr stop; /* notify_entry_t* */
GListPtr demote; /* notify_entry_t* */
GListPtr promote; /* notify_entry_t* */
GListPtr master; /* notify_entry_t* */
GListPtr slave; /* notify_entry_t* */
GHashTable *allowed_nodes;
} notify_data_t;
bool pe_can_fence(pe_working_set_t *data_set, pe_node_t *node);
int pe__add_scores(int score1, int score2);
void add_hash_param(GHashTable * hash, const char *name, const char *value);
char *native_parameter(pe_resource_t * rsc, pe_node_t * node, gboolean create, const char *name,
pe_working_set_t * data_set);
pe_node_t *native_location(const pe_resource_t *rsc, GList **list, int current);
void pe_metadata(void);
void verify_pe_options(GHashTable * options);
void common_update_score(pe_resource_t * rsc, const char *id, int score);
void native_add_running(pe_resource_t * rsc, pe_node_t * node, pe_working_set_t * data_set);
gboolean native_unpack(pe_resource_t * rsc, pe_working_set_t * data_set);
gboolean group_unpack(pe_resource_t * rsc, pe_working_set_t * data_set);
gboolean clone_unpack(pe_resource_t * rsc, pe_working_set_t * data_set);
gboolean pe__unpack_bundle(pe_resource_t *rsc, pe_working_set_t *data_set);
pe_resource_t *native_find_rsc(pe_resource_t *rsc, const char *id, const pe_node_t *node,
int flags);
gboolean native_active(pe_resource_t * rsc, gboolean all);
gboolean group_active(pe_resource_t * rsc, gboolean all);
gboolean clone_active(pe_resource_t * rsc, gboolean all);
gboolean pe__bundle_active(pe_resource_t *rsc, gboolean all);
void native_print(pe_resource_t * rsc, const char *pre_text, long options, void *print_data);
void group_print(pe_resource_t * rsc, const char *pre_text, long options, void *print_data);
void clone_print(pe_resource_t * rsc, const char *pre_text, long options, void *print_data);
void pe__print_bundle(pe_resource_t *rsc, const char *pre_text, long options,
void *print_data);
int pe__name_and_nvpairs_xml(pcmk__output_t *out, bool is_list, const char *tag_name
, size_t pairs_count, ...);
char *pe__node_display_name(pe_node_t *node, bool print_detail);
int pe__ban_html(pcmk__output_t *out, va_list args);
int pe__ban_text(pcmk__output_t *out, va_list args);
int pe__ban_xml(pcmk__output_t *out, va_list args);
int pe__clone_xml(pcmk__output_t *out, va_list args);
int pe__clone_html(pcmk__output_t *out, va_list args);
int pe__clone_text(pcmk__output_t *out, va_list args);
int pe__cluster_counts_html(pcmk__output_t *out, va_list args);
int pe__cluster_counts_text(pcmk__output_t *out, va_list args);
int pe__cluster_counts_xml(pcmk__output_t *out, va_list args);
int pe__cluster_dc_html(pcmk__output_t *out, va_list args);
int pe__cluster_dc_text(pcmk__output_t *out, va_list args);
int pe__cluster_dc_xml(pcmk__output_t *out, va_list args);
int pe__cluster_maint_mode_html(pcmk__output_t *out, va_list args);
int pe__cluster_maint_mode_text(pcmk__output_t *out, va_list args);
int pe__cluster_options_html(pcmk__output_t *out, va_list args);
int pe__cluster_options_log(pcmk__output_t *out, va_list args);
int pe__cluster_options_text(pcmk__output_t *out, va_list args);
int pe__cluster_options_xml(pcmk__output_t *out, va_list args);
int pe__cluster_stack_html(pcmk__output_t *out, va_list args);
int pe__cluster_stack_text(pcmk__output_t *out, va_list args);
int pe__cluster_stack_xml(pcmk__output_t *out, va_list args);
int pe__cluster_summary(pcmk__output_t *out, va_list args);
int pe__cluster_summary_html(pcmk__output_t *out, va_list args);
int pe__cluster_times_html(pcmk__output_t *out, va_list args);
int pe__cluster_times_xml(pcmk__output_t *out, va_list args);
int pe__cluster_times_text(pcmk__output_t *out, va_list args);
int pe__failed_action_text(pcmk__output_t *out, va_list args);
int pe__failed_action_xml(pcmk__output_t *out, va_list args);
int pe__group_xml(pcmk__output_t *out, va_list args);
int pe__group_html(pcmk__output_t *out, va_list args);
int pe__group_text(pcmk__output_t *out, va_list args);
int pe__bundle_xml(pcmk__output_t *out, va_list args);
int pe__bundle_html(pcmk__output_t *out, va_list args);
int pe__bundle_text(pcmk__output_t *out, va_list args);
int pe__node_html(pcmk__output_t *out, va_list args);
int pe__node_text(pcmk__output_t *out, va_list args);
int pe__node_xml(pcmk__output_t *out, va_list args);
int pe__node_attribute_html(pcmk__output_t *out, va_list args);
int pe__node_attribute_text(pcmk__output_t *out, va_list args);
int pe__node_attribute_xml(pcmk__output_t *out, va_list args);
int pe__node_list_html(pcmk__output_t *out, va_list args);
int pe__node_list_text(pcmk__output_t *out, va_list args);
int pe__node_list_xml(pcmk__output_t *out, va_list args);
int pe__op_history_text(pcmk__output_t *out, va_list args);
int pe__op_history_xml(pcmk__output_t *out, va_list args);
int pe__resource_history_text(pcmk__output_t *out, va_list args);
int pe__resource_history_xml(pcmk__output_t *out, va_list args);
int pe__resource_xml(pcmk__output_t *out, va_list args);
int pe__resource_html(pcmk__output_t *out, va_list args);
int pe__resource_text(pcmk__output_t *out, va_list args);
int pe__ticket_html(pcmk__output_t *out, va_list args);
int pe__ticket_text(pcmk__output_t *out, va_list args);
int pe__ticket_xml(pcmk__output_t *out, va_list args);
void native_free(pe_resource_t * rsc);
void group_free(pe_resource_t * rsc);
void clone_free(pe_resource_t * rsc);
void pe__free_bundle(pe_resource_t *rsc);
enum rsc_role_e native_resource_state(const pe_resource_t * rsc, gboolean current);
enum rsc_role_e group_resource_state(const pe_resource_t * rsc, gboolean current);
enum rsc_role_e clone_resource_state(const pe_resource_t * rsc, gboolean current);
enum rsc_role_e pe__bundle_resource_state(const pe_resource_t *rsc,
gboolean current);
void pe__count_common(pe_resource_t *rsc);
void pe__count_bundle(pe_resource_t *rsc);
gboolean common_unpack(xmlNode * xml_obj, pe_resource_t ** rsc, pe_resource_t * parent,
pe_working_set_t * data_set);
void common_free(pe_resource_t * rsc);
pe_node_t *pe__copy_node(const pe_node_t *this_node);
extern time_t get_effective_time(pe_working_set_t * data_set);
/* Failure handling utilities (from failcounts.c) */
// bit flags for fail count handling options
enum pe_fc_flags_e {
pe_fc_default = 0x00,
pe_fc_effective = 0x01, // don't count expired failures
pe_fc_fillers = 0x02, // if container, include filler failures in count
};
int pe_get_failcount(pe_node_t *node, pe_resource_t *rsc, time_t *last_failure,
uint32_t flags, xmlNode *xml_op,
pe_working_set_t *data_set);
pe_action_t *pe__clear_failcount(pe_resource_t *rsc, pe_node_t *node,
const char *reason,
pe_working_set_t *data_set);
/* Functions for finding/counting a resource's active nodes */
pe_node_t *pe__find_active_on(const pe_resource_t *rsc,
unsigned int *count_all,
unsigned int *count_clean);
pe_node_t *pe__find_active_requires(const pe_resource_t *rsc,
unsigned int *count);
static inline pe_node_t *
pe__current_node(const pe_resource_t *rsc)
{
return pe__find_active_on(rsc, NULL, NULL);
}
/* Binary like operators for lists of nodes */
extern void node_list_exclude(GHashTable * list, GListPtr list2, gboolean merge_scores);
GHashTable *pe__node_list2table(GList *list);
static inline gpointer
pe_hash_table_lookup(GHashTable * hash, gconstpointer key)
{
if (hash) {
return g_hash_table_lookup(hash, key);
}
return NULL;
}
extern pe_action_t *get_pseudo_op(const char *name, pe_working_set_t * data_set);
extern gboolean order_actions(pe_action_t * lh_action, pe_action_t * rh_action, enum pe_ordering order);
/* Printing functions for debug */
extern void print_node(const char *pre_text, pe_node_t * node, gboolean details);
extern void print_str_str(gpointer key, gpointer value, gpointer user_data);
extern void pe__output_node(pe_node_t * node, gboolean details, pcmk__output_t *out);
extern void dump_node_capacity(int level, const char *comment, pe_node_t * node);
extern void dump_rsc_utilization(int level, const char *comment, pe_resource_t * rsc, pe_node_t * node);
void pe__show_node_weights_as(const char *file, const char *function,
int line, bool to_log, pe_resource_t *rsc,
const char *comment, GHashTable *nodes);
#define pe__show_node_weights(level, rsc, text, nodes) \
pe__show_node_weights_as(__FILE__, __FUNCTION__, __LINE__, \
(level), (rsc), (text), (nodes))
/* Sorting functions */
extern gint sort_rsc_priority(gconstpointer a, gconstpointer b);
extern gint sort_rsc_index(gconstpointer a, gconstpointer b);
extern xmlNode *find_rsc_op_entry(pe_resource_t * rsc, const char *key);
extern pe_action_t *custom_action(pe_resource_t * rsc, char *key, const char *task, pe_node_t * on_node,
gboolean optional, gboolean foo, pe_working_set_t * data_set);
# define delete_key(rsc) pcmk__op_key(rsc->id, CRMD_ACTION_DELETE, 0)
# define delete_action(rsc, node, optional) custom_action( \
rsc, delete_key(rsc), CRMD_ACTION_DELETE, node, \
optional, TRUE, data_set);
# define stopped_key(rsc) pcmk__op_key(rsc->id, CRMD_ACTION_STOPPED, 0)
# define stopped_action(rsc, node, optional) custom_action( \
rsc, stopped_key(rsc), CRMD_ACTION_STOPPED, node, \
optional, TRUE, data_set);
# define stop_key(rsc) pcmk__op_key(rsc->id, CRMD_ACTION_STOP, 0)
# define stop_action(rsc, node, optional) custom_action( \
rsc, stop_key(rsc), CRMD_ACTION_STOP, node, \
optional, TRUE, data_set);
# define reload_key(rsc) pcmk__op_key(rsc->id, CRMD_ACTION_RELOAD, 0)
# define start_key(rsc) pcmk__op_key(rsc->id, CRMD_ACTION_START, 0)
# define start_action(rsc, node, optional) custom_action( \
rsc, start_key(rsc), CRMD_ACTION_START, node, \
optional, TRUE, data_set)
# define started_key(rsc) pcmk__op_key(rsc->id, CRMD_ACTION_STARTED, 0)
# define started_action(rsc, node, optional) custom_action( \
rsc, started_key(rsc), CRMD_ACTION_STARTED, node, \
optional, TRUE, data_set)
# define promote_key(rsc) pcmk__op_key(rsc->id, CRMD_ACTION_PROMOTE, 0)
# define promote_action(rsc, node, optional) custom_action( \
rsc, promote_key(rsc), CRMD_ACTION_PROMOTE, node, \
optional, TRUE, data_set)
# define promoted_key(rsc) pcmk__op_key(rsc->id, CRMD_ACTION_PROMOTED, 0)
# define promoted_action(rsc, node, optional) custom_action( \
rsc, promoted_key(rsc), CRMD_ACTION_PROMOTED, node, \
optional, TRUE, data_set)
# define demote_key(rsc) pcmk__op_key(rsc->id, CRMD_ACTION_DEMOTE, 0)
# define demote_action(rsc, node, optional) custom_action( \
rsc, demote_key(rsc), CRMD_ACTION_DEMOTE, node, \
optional, TRUE, data_set)
# define demoted_key(rsc) pcmk__op_key(rsc->id, CRMD_ACTION_DEMOTED, 0)
# define demoted_action(rsc, node, optional) custom_action( \
rsc, demoted_key(rsc), CRMD_ACTION_DEMOTED, node, \
optional, TRUE, data_set)
extern int pe_get_configured_timeout(pe_resource_t *rsc, const char *action,
pe_working_set_t *data_set);
extern pe_action_t *find_first_action(GListPtr input, const char *uuid, const char *task,
pe_node_t * on_node);
extern enum action_tasks get_complex_task(pe_resource_t * rsc, const char *name,
gboolean allow_non_atomic);
extern GListPtr find_actions(GListPtr input, const char *key, const pe_node_t *on_node);
GList *find_actions_exact(GList *input, const char *key,
const pe_node_t *on_node);
extern GListPtr find_recurring_actions(GListPtr input, pe_node_t * not_on_node);
GList *pe__resource_actions(const pe_resource_t *rsc, const pe_node_t *node,
const char *task, bool require_node);
extern void pe_free_action(pe_action_t * action);
extern void resource_location(pe_resource_t * rsc, pe_node_t * node, int score, const char *tag,
pe_working_set_t * data_set);
extern gint sort_op_by_callid(gconstpointer a, gconstpointer b);
extern gboolean get_target_role(pe_resource_t * rsc, enum rsc_role_e *role);
extern pe_resource_t *find_clone_instance(pe_resource_t * rsc, const char *sub_id,
pe_working_set_t * data_set);
extern void destroy_ticket(gpointer data);
extern pe_ticket_t *ticket_new(const char *ticket_id, pe_working_set_t * data_set);
// Resources for manipulating resource names
const char *pe_base_name_end(const char *id);
char *clone_strip(const char *last_rsc_id);
char *clone_zero(const char *last_rsc_id);
static inline bool
pe_base_name_eq(pe_resource_t *rsc, const char *id)
{
if (id && rsc && rsc->id) {
// Number of characters in rsc->id before any clone suffix
size_t base_len = pe_base_name_end(rsc->id) - rsc->id + 1;
return (strlen(id) == base_len) && !strncmp(id, rsc->id, base_len);
}
return FALSE;
}
int pe__target_rc_from_xml(xmlNode *xml_op);
gint sort_node_uname(gconstpointer a, gconstpointer b);
bool is_set_recursive(pe_resource_t * rsc, long long flag, bool any);
enum rsc_digest_cmp_val {
/*! Digests are the same */
RSC_DIGEST_MATCH = 0,
/*! Params that require a restart changed */
RSC_DIGEST_RESTART,
/*! Some parameter changed. */
RSC_DIGEST_ALL,
/*! rsc op didn't have a digest associated with it, so
* it is unknown if parameters changed or not. */
RSC_DIGEST_UNKNOWN,
};
typedef struct op_digest_cache_s {
enum rsc_digest_cmp_val rc;
xmlNode *params_all;
xmlNode *params_secure;
xmlNode *params_restart;
char *digest_all_calc;
char *digest_secure_calc;
char *digest_restart_calc;
} op_digest_cache_t;
op_digest_cache_t *rsc_action_digest_cmp(pe_resource_t * rsc, xmlNode * xml_op, pe_node_t * node,
pe_working_set_t * data_set);
pe_action_t *pe_fence_op(pe_node_t * node, const char *op, bool optional, const char *reason, bool priority_delay, pe_working_set_t * data_set);
void trigger_unfencing(
pe_resource_t * rsc, pe_node_t *node, const char *reason, pe_action_t *dependency, pe_working_set_t * data_set);
void pe_action_set_reason(pe_action_t *action, const char *reason, bool overwrite);
void pe_action_set_flag_reason(const char *function, long line, pe_action_t *action, pe_action_t *reason, const char *text, enum pe_action_flags flags, bool overwrite);
#define pe_action_required(action, reason, text) pe_action_set_flag_reason(__FUNCTION__, __LINE__, action, reason, text, pe_action_optional, FALSE)
#define pe_action_implies(action, reason, flag) pe_action_set_flag_reason(__FUNCTION__, __LINE__, action, reason, NULL, flag, FALSE)
void set_bit_recursive(pe_resource_t * rsc, unsigned long long flag);
void clear_bit_recursive(pe_resource_t * rsc, unsigned long long flag);
gboolean add_tag_ref(GHashTable * tags, const char * tag_name, const char * obj_ref);
void print_rscs_brief(GListPtr rsc_list, const char * pre_text, long options,
void * print_data, gboolean print_all);
int pe__rscs_brief_output(pcmk__output_t *out, GListPtr rsc_list, long options, gboolean print_all);
void pe_fence_node(pe_working_set_t * data_set, pe_node_t * node, const char *reason, bool priority_delay);
pe_node_t *pe_create_node(const char *id, const char *uname, const char *type,
const char *score, pe_working_set_t * data_set);
void common_print(pe_resource_t * rsc, const char *pre_text, const char *name, pe_node_t *node, long options, void *print_data);
int pe__common_output_text(pcmk__output_t *out, pe_resource_t * rsc, const char *name, pe_node_t *node, long options);
int pe__common_output_html(pcmk__output_t *out, pe_resource_t * rsc, const char *name, pe_node_t *node, long options);
pe_resource_t *pe__find_bundle_replica(const pe_resource_t *bundle,
const pe_node_t *node);
bool pe__bundle_needs_remote_name(pe_resource_t *rsc);
const char *pe__add_bundle_remote_name(pe_resource_t *rsc, xmlNode *xml,
const char *field);
const char *pe_node_attribute_calculated(const pe_node_t *node,
const char *name,
const pe_resource_t *rsc);
const char *pe_node_attribute_raw(pe_node_t *node, const char *name);
bool pe__is_universal_clone(pe_resource_t *rsc,
pe_working_set_t *data_set);
void pe__add_param_check(xmlNode *rsc_op, pe_resource_t *rsc, pe_node_t *node,
enum pe_check_parameters, pe_working_set_t *data_set);
void pe__foreach_param_check(pe_working_set_t *data_set,
void (*cb)(pe_resource_t*, pe_node_t*, xmlNode*,
enum pe_check_parameters,
pe_working_set_t*));
void pe__free_param_checks(pe_working_set_t *data_set);
bool pe__shutdown_requested(pe_node_t *node);
void pe__update_recheck_time(time_t recheck, pe_working_set_t *data_set);
#define BOOL2STR(x) ((x) ? "true" : "false")
/*!
* \internal
* \brief Register xml formatting message functions.
*/
void pe__register_messages(pcmk__output_t *out);
void pe__unpack_dataset_nvpairs(xmlNode *xml_obj, const char *set_name,
- GHashTable *node_hash, GHashTable *hash,
+ pe_rule_eval_data_t *rule_data, GHashTable *hash,
const char *always_first, gboolean overwrite,
pe_working_set_t *data_set);
bool pe__resource_is_disabled(pe_resource_t *rsc);
pe_action_t *pe__clear_resource_history(pe_resource_t *rsc, pe_node_t *node,
pe_working_set_t *data_set);
GListPtr pe__unames_with_tag(pe_working_set_t *data_set, const char *tag_name);
bool pe__uname_has_tag(pe_working_set_t *data_set, const char *node, const char *tag);
bool pe__rsc_running_on_any_node_in_list(GListPtr rsc_nodes, GListPtr node_list);
#endif
diff --git a/include/crm/pengine/rules.h b/include/crm/pengine/rules.h
index a74c629b3a..cbae8ed2f5 100644
--- a/include/crm/pengine/rules.h
+++ b/include/crm/pengine/rules.h
@@ -1,118 +1,127 @@
/*
* Copyright 2004-2019 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 PENGINE_RULES__H
# define PENGINE_RULES__H
#ifdef __cplusplus
extern "C" {
#endif
# include <glib.h>
# include <crm/crm.h>
# include <crm/common/iso8601.h>
# include <crm/pengine/common.h>
enum expression_type {
not_expr,
nested_rule,
attr_expr,
loc_expr,
role_expr,
time_expr,
version_expr,
rsc_expr,
op_expr
};
enum expression_type find_expression_type(xmlNode * expr);
gboolean pe_evaluate_rules(xmlNode *ruleset, GHashTable *node_hash,
crm_time_t *now, crm_time_t *next_change);
gboolean pe_test_rule(xmlNode *rule, GHashTable *node_hash,
enum rsc_role_e role, crm_time_t *now,
crm_time_t *next_change, pe_match_data_t *match_data);
gboolean pe_test_expression(xmlNode *expr, GHashTable *node_hash,
enum rsc_role_e role, crm_time_t *now,
crm_time_t *next_change,
pe_match_data_t *match_data);
+void pe_eval_nvpairs(xmlNode *top, xmlNode *xml_obj, const char *set_name,
+ pe_rule_eval_data_t *rule_data, GHashTable *hash,
+ const char *always_first, gboolean overwrite,
+ crm_time_t *next_change);
+
void pe_unpack_nvpairs(xmlNode *top, xmlNode *xml_obj, const char *set_name,
GHashTable *node_hash, GHashTable *hash,
const char *always_first, gboolean overwrite,
crm_time_t *now, crm_time_t *next_change);
#if ENABLE_VERSIONED_ATTRS
+void pe_eval_versioned_attributes(xmlNode *top, xmlNode *xml_obj,
+ const char *set_name, pe_rule_eval_data_t *rule_data,
+ xmlNode *hash, crm_time_t *next_change);
+
void pe_unpack_versioned_attributes(xmlNode *top, xmlNode *xml_obj,
const char *set_name, GHashTable *node_hash,
xmlNode *hash, crm_time_t *now,
crm_time_t *next_change);
GHashTable *pe_unpack_versioned_parameters(xmlNode *versioned_params, const char *ra_version);
#endif
char *pe_expand_re_matches(const char *string, pe_re_match_data_t * match_data);
gboolean pe_eval_rules(xmlNode *ruleset, pe_rule_eval_data_t *rule_data,
crm_time_t *next_change);
gboolean pe_eval_expr(xmlNode *rule, pe_rule_eval_data_t *rule_data,
crm_time_t *next_change);
gboolean pe_eval_subexpr(xmlNode *expr, pe_rule_eval_data_t *rule_data,
crm_time_t *next_change);
#ifndef PCMK__NO_COMPAT
/* Everything here is deprecated and kept only for public API backward
* compatibility. It will be moved to compatibility.h when 2.1.0 is released.
*/
//! \deprecated Use pe_evaluate_rules() instead
gboolean test_ruleset(xmlNode *ruleset, GHashTable *node_hash, crm_time_t *now);
//! \deprecated Use pe_test_rule() instead
gboolean test_rule(xmlNode *rule, GHashTable *node_hash, enum rsc_role_e role,
crm_time_t *now);
//! \deprecated Use pe_test_rule() instead
gboolean pe_test_rule_re(xmlNode *rule, GHashTable *node_hash,
enum rsc_role_e role, crm_time_t *now,
pe_re_match_data_t *re_match_data);
//! \deprecated Use pe_test_rule() instead
gboolean pe_test_rule_full(xmlNode *rule, GHashTable *node_hash,
enum rsc_role_e role, crm_time_t *now,
pe_match_data_t *match_data);
//! \deprecated Use pe_test_expression() instead
gboolean test_expression(xmlNode *expr, GHashTable *node_hash,
enum rsc_role_e role, crm_time_t *now);
//! \deprecated Use pe_test_expression() instead
gboolean pe_test_expression_re(xmlNode *expr, GHashTable *node_hash,
enum rsc_role_e role, crm_time_t *now,
pe_re_match_data_t *re_match_data);
//! \deprecated Use pe_test_expression() instead
gboolean pe_test_expression_full(xmlNode *expr, GHashTable *node_hash,
enum rsc_role_e role,
crm_time_t *now, pe_match_data_t *match_data);
//! \deprecated Use pe_unpack_nvpairs() instead
void unpack_instance_attributes(xmlNode *top, xmlNode *xml_obj,
const char *set_name, GHashTable *node_hash,
GHashTable *hash, const char *always_first,
gboolean overwrite, crm_time_t *now);
#endif
#ifdef __cplusplus
}
#endif
#endif
diff --git a/lib/pengine/complex.c b/lib/pengine/complex.c
index 16f3a718ad..d91c95ede1 100644
--- a/lib/pengine/complex.c
+++ b/lib/pengine/complex.c
@@ -1,964 +1,987 @@
/*
* Copyright 2004-2020 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/msg_xml.h>
void populate_hash(xmlNode * nvpair_list, GHashTable * hash, const char **attrs, int attrs_length);
resource_object_functions_t resource_class_functions[] = {
{
native_unpack,
native_find_rsc,
native_parameter,
native_print,
native_active,
native_resource_state,
native_location,
native_free,
pe__count_common,
},
{
group_unpack,
native_find_rsc,
native_parameter,
group_print,
group_active,
group_resource_state,
native_location,
group_free,
pe__count_common,
},
{
clone_unpack,
native_find_rsc,
native_parameter,
clone_print,
clone_active,
clone_resource_state,
native_location,
clone_free,
pe__count_common,
},
{
pe__unpack_bundle,
native_find_rsc,
native_parameter,
pe__print_bundle,
pe__bundle_active,
pe__bundle_resource_state,
native_location,
pe__free_bundle,
pe__count_bundle,
}
};
static enum pe_obj_types
get_resource_type(const char *name)
{
if (safe_str_eq(name, XML_CIB_TAG_RESOURCE)) {
return pe_native;
} else if (safe_str_eq(name, XML_CIB_TAG_GROUP)) {
return pe_group;
} else if (safe_str_eq(name, XML_CIB_TAG_INCARNATION)) {
return pe_clone;
} else if (safe_str_eq(name, XML_CIB_TAG_MASTER)) {
// @COMPAT deprecated since 2.0.0
return pe_clone;
} else if (safe_str_eq(name, XML_CIB_TAG_CONTAINER)) {
return pe_container;
}
return pe_unknown;
}
static void
dup_attr(gpointer key, gpointer value, gpointer user_data)
{
add_hash_param(user_data, key, value);
}
void
get_meta_attributes(GHashTable * meta_hash, pe_resource_t * rsc,
pe_node_t * node, pe_working_set_t * data_set)
{
- GHashTable *node_hash = NULL;
+ pe_rule_eval_data_t rule_data = {
+ .node_hash = NULL,
+ .role = RSC_ROLE_UNKNOWN,
+ .now = data_set->now,
+ .match_data = NULL,
+ .rsc_data = NULL,
+ .op_data = NULL
+ };
if (node) {
- node_hash = node->details->attrs;
+ rule_data.node_hash = node->details->attrs;
}
if (rsc->xml) {
xmlAttrPtr xIter = NULL;
for (xIter = rsc->xml->properties; xIter; xIter = xIter->next) {
const char *prop_name = (const char *)xIter->name;
const char *prop_value = crm_element_value(rsc->xml, prop_name);
add_hash_param(meta_hash, prop_name, prop_value);
}
}
- pe__unpack_dataset_nvpairs(rsc->xml, XML_TAG_META_SETS, node_hash,
+ pe__unpack_dataset_nvpairs(rsc->xml, XML_TAG_META_SETS, &rule_data,
meta_hash, NULL, FALSE, data_set);
/* set anything else based on the parent */
if (rsc->parent != NULL) {
g_hash_table_foreach(rsc->parent->meta, dup_attr, meta_hash);
}
/* and finally check the defaults */
pe__unpack_dataset_nvpairs(data_set->rsc_defaults, XML_TAG_META_SETS,
- node_hash, meta_hash, NULL, FALSE, data_set);
+ &rule_data, meta_hash, NULL, FALSE, data_set);
}
void
get_rsc_attributes(GHashTable * meta_hash, pe_resource_t * rsc,
pe_node_t * node, pe_working_set_t * data_set)
{
- GHashTable *node_hash = NULL;
+ pe_rule_eval_data_t rule_data = {
+ .node_hash = NULL,
+ .role = RSC_ROLE_UNKNOWN,
+ .now = data_set->now,
+ .match_data = NULL,
+ .rsc_data = NULL,
+ .op_data = NULL
+ };
if (node) {
- node_hash = node->details->attrs;
+ rule_data.node_hash = node->details->attrs;
}
- pe__unpack_dataset_nvpairs(rsc->xml, XML_TAG_ATTR_SETS, node_hash,
+ pe__unpack_dataset_nvpairs(rsc->xml, XML_TAG_ATTR_SETS, &rule_data,
meta_hash, NULL, FALSE, data_set);
/* set anything else based on the parent */
if (rsc->parent != NULL) {
get_rsc_attributes(meta_hash, rsc->parent, node, data_set);
} else {
/* and finally check the defaults */
pe__unpack_dataset_nvpairs(data_set->rsc_defaults, XML_TAG_ATTR_SETS,
- node_hash, meta_hash, NULL, FALSE, data_set);
+ &rule_data, meta_hash, NULL, FALSE, data_set);
}
}
#if ENABLE_VERSIONED_ATTRS
void
pe_get_versioned_attributes(xmlNode * meta_hash, pe_resource_t * rsc,
pe_node_t * node, pe_working_set_t * data_set)
{
GHashTable *node_hash = NULL;
if (node) {
node_hash = node->details->attrs;
}
pe_unpack_versioned_attributes(data_set->input, rsc->xml, XML_TAG_ATTR_SETS, node_hash,
meta_hash, data_set->now, NULL);
/* set anything else based on the parent */
if (rsc->parent != NULL) {
pe_get_versioned_attributes(meta_hash, rsc->parent, node, data_set);
} else {
/* and finally check the defaults */
pe_unpack_versioned_attributes(data_set->input, data_set->rsc_defaults, XML_TAG_ATTR_SETS,
node_hash, meta_hash, data_set->now, NULL);
}
}
#endif
static char *
template_op_key(xmlNode * op)
{
const char *name = crm_element_value(op, "name");
const char *role = crm_element_value(op, "role");
char *key = NULL;
if (role == NULL || crm_str_eq(role, RSC_ROLE_STARTED_S, TRUE)
|| crm_str_eq(role, RSC_ROLE_SLAVE_S, TRUE)) {
role = RSC_ROLE_UNKNOWN_S;
}
key = crm_strdup_printf("%s-%s", name, role);
return key;
}
static gboolean
unpack_template(xmlNode * xml_obj, xmlNode ** expanded_xml, pe_working_set_t * data_set)
{
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 *clone = NULL;
const char *id = NULL;
if (xml_obj == NULL) {
pe_err("No resource object for template unpacking");
return FALSE;
}
template_ref = crm_element_value(xml_obj, XML_CIB_TAG_RSC_TEMPLATE);
if (template_ref == NULL) {
return TRUE;
}
id = ID(xml_obj);
if (id == NULL) {
pe_err("'%s' object must have a id", crm_element_name(xml_obj));
return FALSE;
}
if (crm_str_eq(template_ref, id, TRUE)) {
pe_err("The resource object '%s' should not reference itself", id);
return FALSE;
}
cib_resources = get_xpath_object("//"XML_CIB_TAG_RESOURCES, data_set->input, LOG_TRACE);
if (cib_resources == NULL) {
pe_err("No resources configured");
return FALSE;
}
template = find_entity(cib_resources, XML_CIB_TAG_RSC_TEMPLATE, template_ref);
if (template == NULL) {
pe_err("No template named '%s'", template_ref);
return FALSE;
}
new_xml = copy_xml(template);
xmlNodeSetName(new_xml, xml_obj->name);
crm_xml_replace(new_xml, XML_ATTR_ID, id);
clone = crm_element_value(xml_obj, XML_RSC_ATTR_INCARNATION);
if(clone) {
crm_xml_add(new_xml, XML_RSC_ATTR_INCARNATION, clone);
}
template_ops = find_xml_node(new_xml, "operations", FALSE);
for (child_xml = __xml_first_child_element(xml_obj); child_xml != NULL;
child_xml = __xml_next_element(child_xml)) {
xmlNode *new_child = NULL;
new_child = add_node_copy(new_xml, child_xml);
if (crm_str_eq((const char *)new_child->name, "operations", TRUE)) {
rsc_ops = new_child;
}
}
if (template_ops && rsc_ops) {
xmlNode *op = NULL;
GHashTable *rsc_ops_hash = g_hash_table_new_full(crm_str_hash,
g_str_equal, free,
NULL);
for (op = __xml_first_child_element(rsc_ops); op != NULL;
op = __xml_next_element(op)) {
char *key = template_op_key(op);
g_hash_table_insert(rsc_ops_hash, key, op);
}
for (op = __xml_first_child_element(template_ops); op != NULL;
op = __xml_next_element(op)) {
char *key = template_op_key(op);
if (g_hash_table_lookup(rsc_ops_hash, key) == NULL) {
add_node_copy(rsc_ops, op);
}
free(key);
}
if (rsc_ops_hash) {
g_hash_table_destroy(rsc_ops_hash);
}
free_xml(template_ops);
}
/*free_xml(*expanded_xml); */
*expanded_xml = new_xml;
/* Disable multi-level templates for now */
/*if(unpack_template(new_xml, expanded_xml, data_set) == FALSE) {
free_xml(*expanded_xml);
*expanded_xml = NULL;
return FALSE;
} */
return TRUE;
}
static gboolean
add_template_rsc(xmlNode * xml_obj, pe_working_set_t * data_set)
{
const char *template_ref = NULL;
const char *id = NULL;
if (xml_obj == NULL) {
pe_err("No resource object for processing resource list of template");
return FALSE;
}
template_ref = crm_element_value(xml_obj, XML_CIB_TAG_RSC_TEMPLATE);
if (template_ref == NULL) {
return TRUE;
}
id = ID(xml_obj);
if (id == NULL) {
pe_err("'%s' object must have a id", crm_element_name(xml_obj));
return FALSE;
}
if (crm_str_eq(template_ref, id, TRUE)) {
pe_err("The resource object '%s' should not reference itself", id);
return FALSE;
}
if (add_tag_ref(data_set->template_rsc_sets, template_ref, id) == FALSE) {
return FALSE;
}
return TRUE;
}
static bool
detect_promotable(pe_resource_t *rsc)
{
const char *promotable = g_hash_table_lookup(rsc->meta,
XML_RSC_ATTR_PROMOTABLE);
if (crm_is_true(promotable)) {
return TRUE;
}
// @COMPAT deprecated since 2.0.0
if (safe_str_eq(crm_element_name(rsc->xml), XML_CIB_TAG_MASTER)) {
/* @TODO in some future version, pe_warn_once() here,
* then drop support in even later version
*/
g_hash_table_insert(rsc->meta, strdup(XML_RSC_ATTR_PROMOTABLE),
strdup(XML_BOOLEAN_TRUE));
return TRUE;
}
return FALSE;
}
gboolean
common_unpack(xmlNode * xml_obj, pe_resource_t ** rsc,
pe_resource_t * parent, pe_working_set_t * data_set)
{
bool isdefault = FALSE;
xmlNode *expanded_xml = NULL;
xmlNode *ops = NULL;
const char *value = NULL;
const char *rclass = NULL; /* Look for this after any templates have been expanded */
const char *id = crm_element_value(xml_obj, XML_ATTR_ID);
bool guest_node = FALSE;
bool remote_node = FALSE;
bool has_versioned_params = FALSE;
+ pe_rule_eval_data_t rule_data = {
+ .node_hash = NULL,
+ .role = RSC_ROLE_UNKNOWN,
+ .now = data_set->now,
+ .match_data = NULL,
+ .rsc_data = NULL,
+ .op_data = NULL
+ };
+
crm_log_xml_trace(xml_obj, "Processing resource input...");
if (id == NULL) {
pe_err("Must specify id tag in <resource>");
return FALSE;
} else if (rsc == NULL) {
pe_err("Nowhere to unpack resource into");
return FALSE;
}
if (unpack_template(xml_obj, &expanded_xml, data_set) == FALSE) {
return FALSE;
}
*rsc = calloc(1, sizeof(pe_resource_t));
(*rsc)->cluster = data_set;
if (expanded_xml) {
crm_log_xml_trace(expanded_xml, "Expanded resource...");
(*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 */
rclass = crm_element_value((*rsc)->xml, XML_AGENT_ATTR_CLASS);
(*rsc)->parent = parent;
ops = find_xml_node((*rsc)->xml, "operations", FALSE);
(*rsc)->ops_xml = expand_idref(ops, data_set->input);
(*rsc)->variant = get_resource_type(crm_element_name((*rsc)->xml));
if ((*rsc)->variant == pe_unknown) {
pe_err("Unknown resource type: %s", crm_element_name((*rsc)->xml));
free(*rsc);
return FALSE;
}
(*rsc)->parameters = crm_str_table_new();
#if ENABLE_VERSIONED_ATTRS
(*rsc)->versioned_parameters = create_xml_node(NULL, XML_TAG_RSC_VER_ATTRS);
#endif
(*rsc)->meta = crm_str_table_new();
(*rsc)->allowed_nodes =
g_hash_table_new_full(crm_str_hash, g_str_equal, NULL, free);
(*rsc)->known_on = g_hash_table_new_full(crm_str_hash, g_str_equal, NULL,
free);
value = crm_element_value((*rsc)->xml, XML_RSC_ATTR_INCARNATION);
if (value) {
(*rsc)->id = crm_strdup_printf("%s:%s", id, value);
add_hash_param((*rsc)->meta, XML_RSC_ATTR_INCARNATION, value);
} else {
(*rsc)->id = strdup(id);
}
(*rsc)->fns = &resource_class_functions[(*rsc)->variant];
pe_rsc_trace((*rsc), "Unpacking resource...");
get_meta_attributes((*rsc)->meta, *rsc, NULL, data_set);
get_rsc_attributes((*rsc)->parameters, *rsc, NULL, data_set);
#if ENABLE_VERSIONED_ATTRS
pe_get_versioned_attributes((*rsc)->versioned_parameters, *rsc, NULL, data_set);
#endif
(*rsc)->flags = 0;
set_bit((*rsc)->flags, pe_rsc_runnable);
set_bit((*rsc)->flags, pe_rsc_provisional);
if (is_not_set(data_set->flags, pe_flag_maintenance_mode)) {
set_bit((*rsc)->flags, pe_rsc_managed);
}
(*rsc)->rsc_cons = NULL;
(*rsc)->rsc_tickets = NULL;
(*rsc)->actions = NULL;
(*rsc)->role = RSC_ROLE_STOPPED;
(*rsc)->next_role = RSC_ROLE_UNKNOWN;
(*rsc)->recovery_type = recovery_stop_start;
(*rsc)->stickiness = 0;
(*rsc)->migration_threshold = INFINITY;
(*rsc)->failure_timeout = 0;
value = g_hash_table_lookup((*rsc)->meta, XML_CIB_ATTR_PRIORITY);
(*rsc)->priority = crm_parse_int(value, "0");
value = g_hash_table_lookup((*rsc)->meta, XML_RSC_ATTR_NOTIFY);
if (crm_is_true(value)) {
set_bit((*rsc)->flags, pe_rsc_notify);
}
if (xml_contains_remote_node((*rsc)->xml)) {
(*rsc)->is_remote_node = TRUE;
if (g_hash_table_lookup((*rsc)->meta, XML_RSC_ATTR_CONTAINER)) {
guest_node = TRUE;
} else {
remote_node = TRUE;
}
}
value = g_hash_table_lookup((*rsc)->meta, XML_OP_ATTR_ALLOW_MIGRATE);
#if ENABLE_VERSIONED_ATTRS
has_versioned_params = xml_has_children((*rsc)->versioned_parameters);
#endif
if (crm_is_true(value) && has_versioned_params) {
pe_rsc_trace((*rsc), "Migration is disabled for resources with versioned parameters");
} else if (crm_is_true(value)) {
set_bit((*rsc)->flags, pe_rsc_allow_migrate);
} else if ((value == NULL) && remote_node && !has_versioned_params) {
/* 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
* allow-migrate=false.
* We don't support migration for versioned resources, though. */
set_bit((*rsc)->flags, pe_rsc_allow_migrate);
}
value = g_hash_table_lookup((*rsc)->meta, XML_RSC_ATTR_MANAGED);
if (value != NULL && safe_str_neq("default", value)) {
if (crm_is_true(value)) {
set_bit((*rsc)->flags, pe_rsc_managed);
} else {
clear_bit((*rsc)->flags, pe_rsc_managed);
}
}
value = g_hash_table_lookup((*rsc)->meta, XML_RSC_ATTR_MAINTENANCE);
if (crm_is_true(value)) {
clear_bit((*rsc)->flags, pe_rsc_managed);
set_bit((*rsc)->flags, pe_rsc_maintenance);
}
if (is_set(data_set->flags, pe_flag_maintenance_mode)) {
clear_bit((*rsc)->flags, pe_rsc_managed);
set_bit((*rsc)->flags, pe_rsc_maintenance);
}
if (pe_rsc_is_clone(uber_parent(*rsc))) {
value = g_hash_table_lookup((*rsc)->meta, XML_RSC_ATTR_UNIQUE);
if (crm_is_true(value)) {
set_bit((*rsc)->flags, pe_rsc_unique);
}
if (detect_promotable(*rsc)) {
set_bit((*rsc)->flags, pe_rsc_promotable);
}
} else {
set_bit((*rsc)->flags, pe_rsc_unique);
}
pe_rsc_trace((*rsc), "Options for %s", (*rsc)->id);
value = g_hash_table_lookup((*rsc)->meta, XML_RSC_ATTR_RESTART);
if (safe_str_eq(value, "restart")) {
(*rsc)->restart_type = pe_restart_restart;
pe_rsc_trace((*rsc), "\tDependency restart handling: restart");
pe_warn_once(pe_wo_restart_type,
"Support for restart-type is deprecated and will be removed in a future release");
} else {
(*rsc)->restart_type = pe_restart_ignore;
pe_rsc_trace((*rsc), "\tDependency restart handling: ignore");
}
value = g_hash_table_lookup((*rsc)->meta, XML_RSC_ATTR_MULTIPLE);
if (safe_str_eq(value, "stop_only")) {
(*rsc)->recovery_type = recovery_stop_only;
pe_rsc_trace((*rsc), "\tMultiple running resource recovery: stop only");
} else if (safe_str_eq(value, "block")) {
(*rsc)->recovery_type = recovery_block;
pe_rsc_trace((*rsc), "\tMultiple running resource recovery: block");
} else {
(*rsc)->recovery_type = recovery_stop_start;
pe_rsc_trace((*rsc), "\tMultiple running resource recovery: stop/start");
}
value = g_hash_table_lookup((*rsc)->meta, XML_RSC_ATTR_STICKINESS);
if (value != NULL && safe_str_neq("default", value)) {
(*rsc)->stickiness = char2score(value);
}
value = g_hash_table_lookup((*rsc)->meta, XML_RSC_ATTR_FAIL_STICKINESS);
if (value != NULL && safe_str_neq("default", value)) {
(*rsc)->migration_threshold = char2score(value);
if ((*rsc)->migration_threshold < 0) {
/* @TODO We use 1 here to preserve previous behavior, but this
* should probably use the default (INFINITY) or 0 (to disable)
* instead.
*/
pe_warn_once(pe_wo_neg_threshold,
XML_RSC_ATTR_FAIL_STICKINESS
" must be non-negative, using 1 instead");
(*rsc)->migration_threshold = 1;
}
}
if (safe_str_eq(rclass, PCMK_RESOURCE_CLASS_STONITH)) {
set_bit(data_set->flags, pe_flag_have_stonith_resource);
set_bit((*rsc)->flags, pe_rsc_fence_device);
}
value = g_hash_table_lookup((*rsc)->meta, XML_RSC_ATTR_REQUIRES);
handle_requires_pref:
if (safe_str_eq(value, "nothing")) {
} else if (safe_str_eq(value, "quorum")) {
set_bit((*rsc)->flags, pe_rsc_needs_quorum);
} else if (safe_str_eq(value, "unfencing")) {
if (is_set((*rsc)->flags, pe_rsc_fence_device)) {
pcmk__config_warn("Resetting '" XML_RSC_ATTR_REQUIRES "' for %s "
"to 'quorum' because fencing devices cannot "
"require unfencing", (*rsc)->id);
value = "quorum";
isdefault = TRUE;
goto handle_requires_pref;
} else if (is_not_set(data_set->flags, pe_flag_stonith_enabled)) {
pcmk__config_warn("Resetting '" XML_RSC_ATTR_REQUIRES "' for %s "
"to 'quorum' because fencing is disabled",
(*rsc)->id);
value = "quorum";
isdefault = TRUE;
goto handle_requires_pref;
} else {
set_bit((*rsc)->flags, pe_rsc_needs_fencing);
set_bit((*rsc)->flags, pe_rsc_needs_unfencing);
}
} else if (safe_str_eq(value, "fencing")) {
set_bit((*rsc)->flags, pe_rsc_needs_fencing);
if (is_not_set(data_set->flags, pe_flag_stonith_enabled)) {
pcmk__config_warn("%s requires fencing but fencing is disabled",
(*rsc)->id);
}
} else {
const char *orig_value = value;
isdefault = TRUE;
if(is_set((*rsc)->flags, pe_rsc_fence_device)) {
value = "quorum";
} else if (((*rsc)->variant == pe_native)
&& safe_str_eq(crm_element_value((*rsc)->xml, XML_AGENT_ATTR_CLASS),
PCMK_RESOURCE_CLASS_OCF)
&& safe_str_eq(crm_element_value((*rsc)->xml, XML_AGENT_ATTR_PROVIDER), "pacemaker")
&& safe_str_eq(crm_element_value((*rsc)->xml, XML_ATTR_TYPE), "remote")
) {
value = "quorum";
} else if (is_set(data_set->flags, pe_flag_enable_unfencing)) {
value = "unfencing";
} else if (is_set(data_set->flags, pe_flag_stonith_enabled)) {
value = "fencing";
} else if (data_set->no_quorum_policy == no_quorum_ignore) {
value = "nothing";
} else {
value = "quorum";
}
if (orig_value != NULL) {
pcmk__config_err("Resetting '" XML_RSC_ATTR_REQUIRES "' for %s "
"to '%s' because '%s' is not valid",
(*rsc)->id, value, orig_value);
}
goto handle_requires_pref;
}
pe_rsc_trace((*rsc), "\tRequired to start: %s%s", value, isdefault?" (default)":"");
value = g_hash_table_lookup((*rsc)->meta, XML_RSC_ATTR_FAIL_TIMEOUT);
if (value != NULL) {
// Stored as seconds
(*rsc)->failure_timeout = (int) (crm_parse_interval_spec(value) / 1000);
}
if (remote_node) {
value = g_hash_table_lookup((*rsc)->parameters, XML_REMOTE_ATTR_RECONNECT_INTERVAL);
if (value) {
/* reconnect delay works by setting failure_timeout and preventing the
* connection from starting until the failure is cleared. */
(*rsc)->remote_reconnect_ms = crm_parse_interval_spec(value);
/* we want to override any default failure_timeout in use when remote
* reconnect_interval is in use. */
(*rsc)->failure_timeout = (*rsc)->remote_reconnect_ms / 1000;
}
}
get_target_role(*rsc, &((*rsc)->next_role));
pe_rsc_trace((*rsc), "\tDesired next state: %s",
(*rsc)->next_role != RSC_ROLE_UNKNOWN ? role2text((*rsc)->next_role) : "default");
if ((*rsc)->fns->unpack(*rsc, data_set) == FALSE) {
return FALSE;
}
if (is_set(data_set->flags, pe_flag_symmetric_cluster)) {
// This tag must stay exactly the same because it is tested elsewhere
resource_location(*rsc, NULL, 0, "symmetric_default", data_set);
} 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", data_set);
}
pe_rsc_trace((*rsc), "\tAction notification: %s",
is_set((*rsc)->flags, pe_rsc_notify) ? "required" : "not required");
(*rsc)->utilization = crm_str_table_new();
- pe__unpack_dataset_nvpairs((*rsc)->xml, XML_TAG_UTILIZATION, NULL,
+ pe__unpack_dataset_nvpairs((*rsc)->xml, XML_TAG_UTILIZATION, &rule_data,
(*rsc)->utilization, NULL, FALSE, data_set);
/* data_set->resources = g_list_append(data_set->resources, (*rsc)); */
if (expanded_xml) {
if (add_template_rsc(xml_obj, data_set) == FALSE) {
return FALSE;
}
}
return TRUE;
}
void
common_update_score(pe_resource_t * rsc, const char *id, int score)
{
pe_node_t *node = NULL;
node = pe_hash_table_lookup(rsc->allowed_nodes, id);
if (node != NULL) {
pe_rsc_trace(rsc, "Updating score for %s on %s: %d + %d", rsc->id, id, node->weight, score);
node->weight = pe__add_scores(node->weight, score);
}
if (rsc->children) {
GListPtr gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
pe_resource_t *child_rsc = (pe_resource_t *) gIter->data;
common_update_score(child_rsc, id, score);
}
}
}
gboolean
is_parent(pe_resource_t *child, pe_resource_t *rsc)
{
pe_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;
}
pe_resource_t *
uber_parent(pe_resource_t * rsc)
{
pe_resource_t *parent = rsc;
if (parent == NULL) {
return NULL;
}
while (parent->parent != NULL && parent->parent->variant != pe_container) {
parent = parent->parent;
}
return parent;
}
void
common_free(pe_resource_t * rsc)
{
if (rsc == NULL) {
return;
}
pe_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->parameters != NULL) {
g_hash_table_destroy(rsc->parameters);
}
#if ENABLE_VERSIONED_ATTRS
if (rsc->versioned_parameters != NULL) {
free_xml(rsc->versioned_parameters);
}
#endif
if (rsc->meta != NULL) {
g_hash_table_destroy(rsc->meta);
}
if (rsc->utilization != NULL) {
g_hash_table_destroy(rsc->utilization);
}
if (rsc->parent == NULL && is_set(rsc->flags, pe_rsc_orphan)) {
free_xml(rsc->xml);
rsc->xml = NULL;
free_xml(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) {
free_xml(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);
pe_rsc_trace(rsc, "Resource freed");
free(rsc->id);
free(rsc->clone_name);
free(rsc->allocated_to);
free(rsc->variant_opaque);
free(rsc->pending_task);
free(rsc);
}
/*!
* \brief
* \internal Find a node (and optionally count all) where resource is active
*
* \param[in] rsc Resource to check
* \param[out] count_all If not NULL, will be set to count of active nodes
* \param[out] count_clean If not NULL, will be set to count of clean nodes
*
* \return An active node (or NULL if resource is not active anywhere)
*
* \note The order of preference is: an active node that is the resource's
* partial migration source; if the resource's "requires" is "quorum" or
* "nothing", the first active node in the list that is clean and online;
* the first active node in the list.
*/
pe_node_t *
pe__find_active_on(const pe_resource_t *rsc, unsigned int *count_all,
unsigned int *count_clean)
{
pe_node_t *active = NULL;
pe_node_t *node = NULL;
bool keep_looking = FALSE;
bool is_happy = FALSE;
if (count_all) {
*count_all = 0;
}
if (count_clean) {
*count_clean = 0;
}
if (rsc == NULL) {
return NULL;
}
for (GList *node_iter = rsc->running_on; node_iter != NULL;
node_iter = node_iter->next) {
node = node_iter->data;
keep_looking = FALSE;
is_happy = node->details->online && !node->details->unclean;
if (count_all) {
++*count_all;
}
if (count_clean && is_happy) {
++*count_clean;
}
if (count_all || count_clean) {
// If we're counting, we need to go through entire list
keep_looking = TRUE;
}
if (rsc->partial_migration_source != NULL) {
if (node->details == rsc->partial_migration_source->details) {
// This is the migration source
active = node;
} else {
keep_looking = TRUE;
}
} else if (is_not_set(rsc->flags, pe_rsc_needs_fencing)) {
if (is_happy && (!active || !active->details->online
|| active->details->unclean)) {
// This is the first clean node
active = node;
} else {
keep_looking = TRUE;
}
}
if (active == NULL) {
// This is first node in list
active = node;
}
if (keep_looking == FALSE) {
// Don't waste time iterating if we don't have to
break;
}
}
return active;
}
/*!
* \brief
* \internal Find and count active nodes according to "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 pe__find_active_on() where the count
* of all active nodes or only clean active nodes is desired according to
* the "requires" meta-attribute.
*/
pe_node_t *
pe__find_active_requires(const pe_resource_t *rsc, unsigned int *count)
{
if (rsc && is_not_set(rsc->flags, pe_rsc_needs_fencing)) {
return pe__find_active_on(rsc, NULL, count);
}
return pe__find_active_on(rsc, count, NULL);
}
void
pe__count_common(pe_resource_t *rsc)
{
if (rsc->children != NULL) {
for (GList *item = rsc->children; item != NULL; item = item->next) {
((pe_resource_t *) item->data)->fns->count(item->data);
}
} else if (is_not_set(rsc->flags, pe_rsc_orphan)
|| (rsc->role > RSC_ROLE_STOPPED)) {
rsc->cluster->ninstances++;
if (pe__resource_is_disabled(rsc)) {
rsc->cluster->disabled_resources++;
}
if (is_set(rsc->flags, pe_rsc_block)) {
rsc->cluster->blocked_resources++;
}
}
}
diff --git a/lib/pengine/rules.c b/lib/pengine/rules.c
index 2709d68399..7575011b9a 100644
--- a/lib/pengine/rules.c
+++ b/lib/pengine/rules.c
@@ -1,1394 +1,1413 @@
/*
* Copyright 2004-2019 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/crm.h>
#include <crm/msg_xml.h>
#include <crm/common/xml.h>
#include <glib.h>
#include <crm/pengine/rules.h>
#include <crm/pengine/rules_internal.h>
#include <crm/pengine/internal.h>
#include <sys/types.h>
#include <regex.h>
#include <ctype.h>
CRM_TRACE_INIT_DATA(pe_rules);
/*!
* \brief Evaluate any rules contained by given XML element
*
* \param[in] xml XML element to check for rules
* \param[in] node_hash Node attributes to use when evaluating expressions
* \param[in] now Time to use when evaluating expressions
* \param[out] next_change If not NULL, set to when evaluation will change
*
* \return TRUE if no rules, or any of rules present is in effect, else FALSE
*/
gboolean
pe_evaluate_rules(xmlNode *ruleset, GHashTable *node_hash, crm_time_t *now,
crm_time_t *next_change)
{
pe_rule_eval_data_t rule_data = {
.node_hash = node_hash,
.role = RSC_ROLE_UNKNOWN,
.now = now,
.match_data = NULL,
.rsc_data = NULL,
.op_data = NULL
};
return pe_eval_rules(ruleset, &rule_data, next_change);
}
gboolean
pe_test_rule(xmlNode *rule, GHashTable *node_hash, enum rsc_role_e role,
crm_time_t *now, crm_time_t *next_change,
pe_match_data_t *match_data)
{
pe_rule_eval_data_t rule_data = {
.node_hash = node_hash,
.role = role,
.now = now,
.match_data = match_data,
.rsc_data = NULL,
.op_data = NULL
};
return pe_eval_expr(rule, &rule_data, next_change);
}
/*!
* \brief Evaluate one rule subelement (pass/fail)
*
* A rule element may contain another rule, a node attribute expression, or a
* date expression. Given any one of those, evaluate it and return whether it
* passed.
*
* \param[in] expr Rule subelement XML
* \param[in] node_hash Node attributes to use when evaluating expression
* \param[in] role Resource role to use when evaluating expression
* \param[in] now Time to use when evaluating expression
* \param[out] next_change If not NULL, set to when evaluation will change
* \param[in] match_data If not NULL, resource back-references and params
*
* \return TRUE if expression is in effect under given conditions, else FALSE
*/
gboolean
pe_test_expression(xmlNode *expr, GHashTable *node_hash, enum rsc_role_e role,
crm_time_t *now, crm_time_t *next_change,
pe_match_data_t *match_data)
{
pe_rule_eval_data_t rule_data = {
.node_hash = node_hash,
.role = role,
.now = now,
.match_data = match_data,
.rsc_data = NULL,
.op_data = NULL
};
return pe_eval_subexpr(expr, &rule_data, next_change);
}
enum expression_type
find_expression_type(xmlNode * expr)
{
const char *tag = NULL;
const char *attr = NULL;
attr = crm_element_value(expr, XML_EXPR_ATTR_ATTRIBUTE);
tag = crm_element_name(expr);
if (safe_str_eq(tag, "date_expression")) {
return time_expr;
} else if (safe_str_eq(tag, "rsc_expression")) {
return rsc_expr;
} else if (safe_str_eq(tag, "op_expression")) {
return op_expr;
} else if (safe_str_eq(tag, XML_TAG_RULE)) {
return nested_rule;
} else if (safe_str_neq(tag, "expression")) {
return not_expr;
} else if (safe_str_eq(attr, CRM_ATTR_UNAME)
|| safe_str_eq(attr, CRM_ATTR_KIND)
|| safe_str_eq(attr, CRM_ATTR_ID)) {
return loc_expr;
} else if (safe_str_eq(attr, CRM_ATTR_ROLE)) {
return role_expr;
#if ENABLE_VERSIONED_ATTRS
} else if (safe_str_eq(attr, CRM_ATTR_RA_VERSION)) {
return version_expr;
#endif
}
return attr_expr;
}
gboolean
pe_test_role_expression(xmlNode *expr, enum rsc_role_e role, crm_time_t *now)
{
pe_rule_eval_data_t rule_data = {
.node_hash = NULL,
.role = role,
.now = now,
.match_data = NULL,
.rsc_data = NULL,
.op_data = NULL
};
return pe__eval_role_expr(expr, &rule_data);
}
gboolean
pe_test_attr_expression(xmlNode *expr, GHashTable *hash, crm_time_t *now,
pe_match_data_t *match_data)
{
pe_rule_eval_data_t rule_data = {
.node_hash = hash,
.role = RSC_ROLE_UNKNOWN,
.now = now,
.match_data = match_data,
.rsc_data = NULL,
.op_data = NULL
};
return pe__eval_attr_expr(expr, &rule_data);
}
/* As per the nethack rules:
*
* moon period = 29.53058 days ~= 30, year = 365.2422 days
* days moon phase advances on first day of year compared to preceding year
* = 365.2422 - 12*29.53058 ~= 11
* years in Metonic cycle (time until same phases fall on the same days of
* the month) = 18.6 ~= 19
* moon phase on first day of year (epact) ~= (11*(year%19) + 29) % 30
* (29 as initial condition)
* current phase in days = first day phase + days elapsed in year
* 6 moons ~= 177 days
* 177 ~= 8 reported phases * 22
* + 11/22 for rounding
*
* 0-7, with 0: new, 4: full
*/
static int
phase_of_the_moon(crm_time_t * now)
{
uint32_t epact, diy, goldn;
uint32_t y;
crm_time_get_ordinal(now, &y, &diy);
goldn = (y % 19) + 1;
epact = (11 * goldn + 18) % 30;
if ((epact == 25 && goldn > 11) || epact == 24)
epact++;
return ((((((diy + epact) * 6) + 11) % 177) / 22) & 7);
}
static int
check_one(xmlNode *cron_spec, const char *xml_field, uint32_t time_field) {
int rc = pcmk_rc_undetermined;
const char *value = crm_element_value(cron_spec, xml_field);
long long low, high;
if (value == NULL) {
/* Return pe_date_result_undetermined if the field is missing. */
goto bail;
}
if (pcmk__parse_ll_range(value, &low, &high) == pcmk_rc_unknown_format) {
goto bail;
} else if (low == high) {
/* A single number was given, not a range. */
if (time_field < low) {
rc = pcmk_rc_before_range;
} else if (time_field > high) {
rc = pcmk_rc_after_range;
} else {
rc = pcmk_rc_within_range;
}
} else if (low != -1 && high != -1) {
/* This is a range with both bounds. */
if (time_field < low) {
rc = pcmk_rc_before_range;
} else if (time_field > high) {
rc = pcmk_rc_after_range;
} else {
rc = pcmk_rc_within_range;
}
} else if (low == -1) {
/* This is a range with no starting value. */
rc = time_field <= high ? pcmk_rc_within_range : pcmk_rc_after_range;
} else if (high == -1) {
/* This is a range with no ending value. */
rc = time_field >= low ? pcmk_rc_within_range : pcmk_rc_before_range;
}
bail:
if (rc == pcmk_rc_within_range) {
crm_debug("Condition '%s' in %s: passed", value, xml_field);
} else {
crm_debug("Condition '%s' in %s: failed", value, xml_field);
}
return rc;
}
static gboolean
check_passes(int rc) {
/* _within_range is obvious. _undetermined is a pass because
* this is the return value if a field is not given. In this
* case, we just want to ignore it and check other fields to
* see if they place some restriction on what can pass.
*/
return rc == pcmk_rc_within_range || rc == pcmk_rc_undetermined;
}
#define CHECK_ONE(spec, name, var) do { \
int subpart_rc = check_one(spec, name, var); \
if (check_passes(subpart_rc) == FALSE) { \
return subpart_rc; \
} \
} while (0)
int
pe_cron_range_satisfied(crm_time_t * now, xmlNode * cron_spec)
{
uint32_t h, m, s, y, d, w;
CRM_CHECK(now != NULL, return pcmk_rc_op_unsatisfied);
crm_time_get_gregorian(now, &y, &m, &d);
CHECK_ONE(cron_spec, "years", y);
CHECK_ONE(cron_spec, "months", m);
CHECK_ONE(cron_spec, "monthdays", d);
crm_time_get_timeofday(now, &h, &m, &s);
CHECK_ONE(cron_spec, "hours", h);
CHECK_ONE(cron_spec, "minutes", m);
CHECK_ONE(cron_spec, "seconds", s);
crm_time_get_ordinal(now, &y, &d);
CHECK_ONE(cron_spec, "yeardays", d);
crm_time_get_isoweek(now, &y, &w, &d);
CHECK_ONE(cron_spec, "weekyears", y);
CHECK_ONE(cron_spec, "weeks", w);
CHECK_ONE(cron_spec, "weekdays", d);
CHECK_ONE(cron_spec, "moon", phase_of_the_moon(now));
/* If we get here, either no fields were specified (which is success), or all
* the fields that were specified had their conditions met (which is also a
* success). Thus, the result is success.
*/
return pcmk_rc_ok;
}
#define update_field(xml_field, time_fn) \
value = crm_element_value(duration_spec, xml_field); \
if(value != NULL) { \
int value_i = crm_parse_int(value, "0"); \
time_fn(end, value_i); \
}
crm_time_t *
pe_parse_xml_duration(crm_time_t * start, xmlNode * duration_spec)
{
crm_time_t *end = NULL;
const char *value = NULL;
end = crm_time_new(NULL);
crm_time_set(end, start);
update_field("years", crm_time_add_years);
update_field("months", crm_time_add_months);
update_field("weeks", crm_time_add_weeks);
update_field("days", crm_time_add_days);
update_field("hours", crm_time_add_hours);
update_field("minutes", crm_time_add_minutes);
update_field("seconds", crm_time_add_seconds);
return end;
}
/*!
* \internal
* \brief Test a date expression (pass/fail) for a specific time
*
* \param[in] time_expr date_expression XML
* \param[in] now Time for which to evaluate expression
* \param[out] next_change If not NULL, set to when evaluation will change
*
* \return TRUE if date expression is in effect at given time, FALSE otherwise
*/
gboolean
pe_test_date_expression(xmlNode *expr, crm_time_t *now, crm_time_t *next_change)
{
pe_rule_eval_data_t rule_data = {
.node_hash = NULL,
.role = RSC_ROLE_UNKNOWN,
.now = now,
.match_data = NULL,
.rsc_data = NULL,
.op_data = NULL
};
switch (pe__eval_date_expr(expr, &rule_data, next_change)) {
case pcmk_rc_within_range:
case pcmk_rc_ok:
return TRUE;
default:
return FALSE;
}
}
// Set next_change to t if t is earlier
static void
crm_time_set_if_earlier(crm_time_t *next_change, crm_time_t *t)
{
if ((next_change != NULL) && (t != NULL)) {
if (!crm_time_is_defined(next_change)
|| (crm_time_compare(t, next_change) < 0)) {
crm_time_set(next_change, t);
}
}
}
/*!
* \internal
* \brief Evaluate a date expression for a specific time
*
* \param[in] time_expr date_expression XML
* \param[in] now Time for which to evaluate expression
* \param[out] next_change If not NULL, set to when evaluation will change
*
* \return Standard Pacemaker return code
*/
int
pe_eval_date_expression(xmlNode *expr, crm_time_t *now, crm_time_t *next_change)
{
pe_rule_eval_data_t rule_data = {
.node_hash = NULL,
.role = RSC_ROLE_UNKNOWN,
.now = now,
.match_data = NULL,
.rsc_data = NULL,
.op_data = NULL
};
return pe__eval_date_expr(expr, &rule_data, next_change);
}
// Information about a block of nvpair elements
typedef struct sorted_set_s {
int score; // This block's score for sorting
const char *name; // This block's ID
const char *special_name; // ID that should sort first
xmlNode *attr_set; // This block
} sorted_set_t;
static gint
sort_pairs(gconstpointer a, gconstpointer b)
{
const sorted_set_t *pair_a = a;
const sorted_set_t *pair_b = b;
if (a == NULL && b == NULL) {
return 0;
} else if (a == NULL) {
return 1;
} else if (b == NULL) {
return -1;
}
if (safe_str_eq(pair_a->name, pair_a->special_name)) {
return -1;
} else if (safe_str_eq(pair_b->name, pair_a->special_name)) {
return 1;
}
if (pair_a->score < pair_b->score) {
return 1;
} else if (pair_a->score > pair_b->score) {
return -1;
}
return 0;
}
static void
populate_hash(xmlNode * nvpair_list, GHashTable * hash, gboolean overwrite, xmlNode * top)
{
const char *name = NULL;
const char *value = NULL;
const char *old_value = NULL;
xmlNode *list = nvpair_list;
xmlNode *an_attr = NULL;
name = crm_element_name(list->children);
if (safe_str_eq(XML_TAG_ATTRS, name)) {
list = list->children;
}
for (an_attr = __xml_first_child_element(list); an_attr != NULL;
an_attr = __xml_next_element(an_attr)) {
if (crm_str_eq((const char *)an_attr->name, XML_CIB_TAG_NVPAIR, TRUE)) {
xmlNode *ref_nvpair = expand_idref(an_attr, top);
name = crm_element_value(an_attr, XML_NVPAIR_ATTR_NAME);
if (name == NULL) {
name = crm_element_value(ref_nvpair, XML_NVPAIR_ATTR_NAME);
}
crm_trace("Setting attribute: %s", name);
value = crm_element_value(an_attr, XML_NVPAIR_ATTR_VALUE);
if (value == NULL) {
value = crm_element_value(ref_nvpair, XML_NVPAIR_ATTR_VALUE);
}
if (name == NULL || value == NULL) {
continue;
}
old_value = g_hash_table_lookup(hash, name);
if (safe_str_eq(value, "#default")) {
if (old_value) {
crm_trace("Removing value for %s (%s)", name, value);
g_hash_table_remove(hash, name);
}
continue;
} else if (old_value == NULL) {
g_hash_table_insert(hash, strdup(name), strdup(value));
} else if (overwrite) {
crm_debug("Overwriting value of %s: %s -> %s", name, old_value, value);
g_hash_table_replace(hash, strdup(name), strdup(value));
}
}
}
}
#if ENABLE_VERSIONED_ATTRS
static xmlNode*
get_versioned_rule(xmlNode * attr_set)
{
xmlNode * rule = NULL;
xmlNode * expr = NULL;
for (rule = __xml_first_child_element(attr_set); rule != NULL;
rule = __xml_next_element(rule)) {
if (crm_str_eq((const char *)rule->name, XML_TAG_RULE, TRUE)) {
for (expr = __xml_first_child_element(rule); expr != NULL;
expr = __xml_next_element(expr)) {
if (find_expression_type(expr) == version_expr) {
return rule;
}
}
}
}
return NULL;
}
static void
add_versioned_attributes(xmlNode * attr_set, xmlNode * versioned_attrs)
{
xmlNode *attr_set_copy = NULL;
xmlNode *rule = NULL;
xmlNode *expr = NULL;
if (!attr_set || !versioned_attrs) {
return;
}
attr_set_copy = copy_xml(attr_set);
rule = get_versioned_rule(attr_set_copy);
if (!rule) {
free_xml(attr_set_copy);
return;
}
expr = __xml_first_child_element(rule);
while (expr != NULL) {
if (find_expression_type(expr) != version_expr) {
xmlNode *node = expr;
expr = __xml_next_element(expr);
free_xml(node);
} else {
expr = __xml_next_element(expr);
}
}
add_node_nocopy(versioned_attrs, NULL, attr_set_copy);
}
#endif
typedef struct unpack_data_s {
gboolean overwrite;
void *hash;
crm_time_t *next_change;
pe_rule_eval_data_t *rule_data;
xmlNode *top;
} unpack_data_t;
static void
unpack_attr_set(gpointer data, gpointer user_data)
{
sorted_set_t *pair = data;
unpack_data_t *unpack_data = user_data;
if (!pe_eval_rules(pair->attr_set, unpack_data->rule_data,
unpack_data->next_change)) {
return;
}
#if ENABLE_VERSIONED_ATTRS
if (get_versioned_rule(pair->attr_set) && !(unpack_data->rule_data->node_hash &&
g_hash_table_lookup_extended(unpack_data->rule_data->node_hash,
CRM_ATTR_RA_VERSION, NULL, NULL))) {
// we haven't actually tested versioned expressions yet
return;
}
#endif
crm_trace("Adding attributes from %s", pair->name);
populate_hash(pair->attr_set, unpack_data->hash, unpack_data->overwrite, unpack_data->top);
}
#if ENABLE_VERSIONED_ATTRS
static void
unpack_versioned_attr_set(gpointer data, gpointer user_data)
{
sorted_set_t *pair = data;
unpack_data_t *unpack_data = user_data;
if (pe_eval_rules(pair->attr_set, unpack_data->rule_data,
unpack_data->next_change)) {
add_versioned_attributes(pair->attr_set, unpack_data->hash);
}
}
#endif
/*!
* \internal
* \brief Create a sorted list of nvpair blocks
*
* \param[in] top XML document root (used to expand id-ref's)
* \param[in] xml_obj XML element containing blocks of nvpair elements
* \param[in] set_name If not NULL, only get blocks of this element type
* \param[in] always_first If not NULL, sort block with this ID as first
*
* \return List of sorted_set_t entries for nvpair blocks
*/
static GList *
make_pairs(xmlNode *top, xmlNode *xml_obj, const char *set_name,
const char *always_first)
{
GListPtr unsorted = NULL;
const char *score = NULL;
sorted_set_t *pair = NULL;
xmlNode *attr_set = NULL;
if (xml_obj == NULL) {
crm_trace("No instance attributes");
return NULL;
}
crm_trace("Checking for attributes");
for (attr_set = __xml_first_child_element(xml_obj); attr_set != NULL;
attr_set = __xml_next_element(attr_set)) {
/* Uncertain if set_name == NULL check is strictly necessary here */
if (set_name == NULL || crm_str_eq((const char *)attr_set->name, set_name, TRUE)) {
pair = NULL;
attr_set = expand_idref(attr_set, top);
if (attr_set == NULL) {
continue;
}
pair = calloc(1, sizeof(sorted_set_t));
pair->name = ID(attr_set);
pair->special_name = always_first;
pair->attr_set = attr_set;
score = crm_element_value(attr_set, XML_RULE_ATTR_SCORE);
pair->score = char2score(score);
unsorted = g_list_prepend(unsorted, pair);
}
}
return g_list_sort(unsorted, sort_pairs);
}
/*!
* \internal
* \brief Extract nvpair blocks contained by an XML element into a hash table
*
* \param[in] top XML document root (used to expand id-ref's)
* \param[in] xml_obj XML element containing blocks of nvpair elements
* \param[in] set_name If not NULL, only use blocks of this element type
* \param[out] hash Where to store extracted name/value pairs
* \param[in] always_first If not NULL, process block with this ID first
* \param[in] overwrite Whether to replace existing values with same name
* \param[in] rule_data Matching parameters to use when unpacking
* \param[out] next_change If not NULL, set to when rule evaluation will change
* \param[in] unpack_func Function to call to unpack each block
*/
static void
unpack_nvpair_blocks(xmlNode *top, xmlNode *xml_obj, const char *set_name,
void *hash, const char *always_first, gboolean overwrite,
pe_rule_eval_data_t *rule_data, crm_time_t *next_change,
GFunc unpack_func)
{
GList *pairs = make_pairs(top, xml_obj, set_name, always_first);
if (pairs) {
unpack_data_t data = {
.hash = hash,
.overwrite = overwrite,
.next_change = next_change,
.top = top,
.rule_data = rule_data
};
g_list_foreach(pairs, unpack_func, &data);
g_list_free_full(pairs, free);
}
}
+void
+pe_eval_nvpairs(xmlNode *top, xmlNode *xml_obj, const char *set_name,
+ pe_rule_eval_data_t *rule_data, GHashTable *hash,
+ const char *always_first, gboolean overwrite,
+ crm_time_t *next_change)
+{
+ unpack_nvpair_blocks(top, xml_obj, set_name, hash, always_first,
+ overwrite, rule_data, next_change, unpack_attr_set);
+}
+
/*!
* \brief Extract nvpair blocks contained by an XML element into a hash table
*
* \param[in] top XML document root (used to expand id-ref's)
* \param[in] xml_obj XML element containing blocks of nvpair elements
* \param[in] set_name Element name to identify nvpair blocks
* \param[in] node_hash Node attributes to use when evaluating rules
* \param[out] hash Where to store extracted name/value pairs
* \param[in] always_first If not NULL, process block with this ID first
* \param[in] overwrite Whether to replace existing values with same name
* \param[in] now Time to use when evaluating rules
* \param[out] next_change If not NULL, set to when rule evaluation will change
*/
void
pe_unpack_nvpairs(xmlNode *top, xmlNode *xml_obj, const char *set_name,
GHashTable *node_hash, GHashTable *hash,
const char *always_first, gboolean overwrite,
crm_time_t *now, crm_time_t *next_change)
{
pe_rule_eval_data_t rule_data = {
.node_hash = node_hash,
.role = RSC_ROLE_UNKNOWN,
.now = now,
.match_data = NULL,
.rsc_data = NULL,
.op_data = NULL
};
- unpack_nvpair_blocks(top, xml_obj, set_name, hash, always_first,
- overwrite, &rule_data, next_change, unpack_attr_set);
+ pe_eval_nvpairs(top, xml_obj, set_name, &rule_data, hash,
+ always_first, overwrite, next_change);
}
#if ENABLE_VERSIONED_ATTRS
+void
+pe_eval_versioned_attributes(xmlNode *top, xmlNode *xml_obj, const char *set_name,
+ pe_rule_eval_data_t *rule_data, xmlNode *hash,
+ crm_time_t *next_change)
+{
+ unpack_nvpair_blocks(top, xml_obj, set_name, hash, NULL, FALSE, rule_data,
+ next_change, unpack_versioned_attr_set);
+}
+
void
pe_unpack_versioned_attributes(xmlNode *top, xmlNode *xml_obj,
const char *set_name, GHashTable *node_hash,
xmlNode *hash, crm_time_t *now,
crm_time_t *next_change)
{
pe_rule_eval_data_t rule_data = {
.node_hash = node_hash,
.role = RSC_ROLE_UNKNOWN,
.now = now,
.match_data = NULL,
.rsc_data = NULL,
.op_data = NULL
};
unpack_nvpair_blocks(top, xml_obj, set_name, hash, NULL, FALSE,
&rule_data, next_change, unpack_versioned_attr_set);
}
#endif
char *
pe_expand_re_matches(const char *string, pe_re_match_data_t *match_data)
{
size_t len = 0;
int i;
const char *p, *last_match_index;
char *p_dst, *result = NULL;
if (pcmk__str_empty(string) || !match_data) {
return NULL;
}
p = last_match_index = string;
while (*p) {
if (*p == '%' && *(p + 1) && isdigit(*(p + 1))) {
i = *(p + 1) - '0';
if (match_data->nregs >= i && match_data->pmatch[i].rm_so != -1 &&
match_data->pmatch[i].rm_eo > match_data->pmatch[i].rm_so) {
len += p - last_match_index + (match_data->pmatch[i].rm_eo - match_data->pmatch[i].rm_so);
last_match_index = p + 2;
}
p++;
}
p++;
}
len += p - last_match_index + 1;
/* FIXME: Excessive? */
if (len - 1 <= 0) {
return NULL;
}
p_dst = result = calloc(1, len);
p = string;
while (*p) {
if (*p == '%' && *(p + 1) && isdigit(*(p + 1))) {
i = *(p + 1) - '0';
if (match_data->nregs >= i && match_data->pmatch[i].rm_so != -1 &&
match_data->pmatch[i].rm_eo > match_data->pmatch[i].rm_so) {
/* rm_eo can be equal to rm_so, but then there is nothing to do */
int match_len = match_data->pmatch[i].rm_eo - match_data->pmatch[i].rm_so;
memcpy(p_dst, match_data->string + match_data->pmatch[i].rm_so, match_len);
p_dst += match_len;
}
p++;
} else {
*(p_dst) = *(p);
p_dst++;
}
p++;
}
return result;
}
#if ENABLE_VERSIONED_ATTRS
GHashTable*
pe_unpack_versioned_parameters(xmlNode *versioned_params, const char *ra_version)
{
GHashTable *hash = crm_str_table_new();
if (versioned_params && ra_version) {
GHashTable *node_hash = crm_str_table_new();
xmlNode *attr_set = __xml_first_child_element(versioned_params);
if (attr_set) {
g_hash_table_insert(node_hash, strdup(CRM_ATTR_RA_VERSION),
strdup(ra_version));
pe_unpack_nvpairs(NULL, versioned_params,
crm_element_name(attr_set), node_hash, hash, NULL,
FALSE, NULL, NULL);
}
g_hash_table_destroy(node_hash);
}
return hash;
}
#endif
gboolean
pe_eval_rules(xmlNode *ruleset, pe_rule_eval_data_t *rule_data, crm_time_t *next_change)
{
// If there are no rules, pass by default
gboolean ruleset_default = TRUE;
for (xmlNode *rule = first_named_child(ruleset, XML_TAG_RULE);
rule != NULL; rule = crm_next_same_xml(rule)) {
ruleset_default = FALSE;
if (pe_eval_expr(rule, rule_data, next_change)) {
/* Only the deprecated "lifetime" element of location constraints
* may contain more than one rule at the top level -- the schema
* limits a block of nvpairs to a single top-level rule. So, this
* effectively means that a lifetime is active if any rule it
* contains is active.
*/
return TRUE;
}
}
return ruleset_default;
}
gboolean
pe_eval_expr(xmlNode *rule, pe_rule_eval_data_t *rule_data, crm_time_t *next_change)
{
xmlNode *expr = NULL;
gboolean test = TRUE;
gboolean empty = TRUE;
gboolean passed = TRUE;
gboolean do_and = TRUE;
const char *value = NULL;
rule = expand_idref(rule, NULL);
value = crm_element_value(rule, XML_RULE_ATTR_BOOLEAN_OP);
if (safe_str_eq(value, "or")) {
do_and = FALSE;
passed = FALSE;
}
crm_trace("Testing rule %s", ID(rule));
for (expr = __xml_first_child_element(rule); expr != NULL;
expr = __xml_next_element(expr)) {
test = pe_eval_subexpr(expr, rule_data, next_change);
empty = FALSE;
if (test && do_and == FALSE) {
crm_trace("Expression %s/%s passed", ID(rule), ID(expr));
return TRUE;
} else if (test == FALSE && do_and) {
crm_trace("Expression %s/%s failed", ID(rule), ID(expr));
return FALSE;
}
}
if (empty) {
crm_err("Invalid Rule %s: rules must contain at least one expression", ID(rule));
}
crm_trace("Rule %s %s", ID(rule), passed ? "passed" : "failed");
return passed;
}
gboolean
pe_eval_subexpr(xmlNode *expr, pe_rule_eval_data_t *rule_data, crm_time_t *next_change)
{
gboolean accept = FALSE;
const char *uname = NULL;
switch (find_expression_type(expr)) {
case nested_rule:
accept = pe_eval_expr(expr, rule_data, next_change);
break;
case attr_expr:
case loc_expr:
/* these expressions can never succeed if there is
* no node to compare with
*/
if (rule_data->node_hash != NULL) {
accept = pe__eval_attr_expr(expr, rule_data);
}
break;
case time_expr:
accept = pe_test_date_expression(expr, rule_data->now, next_change);
break;
case role_expr:
accept = pe__eval_role_expr(expr, rule_data);
break;
case rsc_expr:
accept = pe__eval_rsc_expr(expr, rule_data);
break;
case op_expr:
accept = pe__eval_op_expr(expr, rule_data);
break;
#if ENABLE_VERSIONED_ATTRS
case version_expr:
if (rule_data->node_hash &&
g_hash_table_lookup_extended(rule_data->node_hash,
CRM_ATTR_RA_VERSION, NULL, NULL)) {
accept = pe__eval_attr_expr(expr, rule_data);
} else {
// we are going to test it when we have ra-version
accept = TRUE;
}
break;
#endif
default:
CRM_CHECK(FALSE /* bad type */ , return FALSE);
accept = FALSE;
}
if (rule_data->node_hash) {
uname = g_hash_table_lookup(rule_data->node_hash, CRM_ATTR_UNAME);
}
crm_trace("Expression %s %s on %s",
ID(expr), accept ? "passed" : "failed", uname ? uname : "all nodes");
return accept;
}
gboolean
pe__eval_attr_expr(xmlNodePtr expr, pe_rule_eval_data_t *rule_data)
{
gboolean accept = FALSE;
gboolean attr_allocated = FALSE;
int cmp = 0;
const char *h_val = NULL;
GHashTable *table = NULL;
const char *op = NULL;
const char *type = NULL;
const char *attr = NULL;
const char *value = NULL;
const char *value_source = NULL;
attr = crm_element_value(expr, XML_EXPR_ATTR_ATTRIBUTE);
op = crm_element_value(expr, XML_EXPR_ATTR_OPERATION);
value = crm_element_value(expr, XML_EXPR_ATTR_VALUE);
type = crm_element_value(expr, XML_EXPR_ATTR_TYPE);
value_source = crm_element_value(expr, XML_EXPR_ATTR_VALUE_SOURCE);
if (attr == NULL || op == NULL) {
pe_err("Invalid attribute or operation in expression"
" (\'%s\' \'%s\' \'%s\')", crm_str(attr), crm_str(op), crm_str(value));
return FALSE;
}
if (rule_data->match_data) {
if (rule_data->match_data->re) {
char *resolved_attr = pe_expand_re_matches(attr, rule_data->match_data->re);
if (resolved_attr) {
attr = (const char *) resolved_attr;
attr_allocated = TRUE;
}
}
if (safe_str_eq(value_source, "param")) {
table = rule_data->match_data->params;
} else if (safe_str_eq(value_source, "meta")) {
table = rule_data->match_data->meta;
}
}
if (table) {
const char *param_name = value;
const char *param_value = NULL;
if (param_name && param_name[0]) {
if ((param_value = (const char *)g_hash_table_lookup(table, param_name))) {
value = param_value;
}
}
}
if (rule_data->node_hash != NULL) {
h_val = (const char *)g_hash_table_lookup(rule_data->node_hash, attr);
}
if (attr_allocated) {
free((char *)attr);
attr = NULL;
}
if (value != NULL && h_val != NULL) {
if (type == NULL) {
if (safe_str_eq(op, "lt")
|| safe_str_eq(op, "lte")
|| safe_str_eq(op, "gt")
|| safe_str_eq(op, "gte")) {
type = "number";
} else {
type = "string";
}
crm_trace("Defaulting to %s based comparison for '%s' op", type, op);
}
if (safe_str_eq(type, "string")) {
cmp = strcasecmp(h_val, value);
} else if (safe_str_eq(type, "number")) {
int h_val_f = crm_parse_int(h_val, NULL);
int value_f = crm_parse_int(value, NULL);
if (h_val_f < value_f) {
cmp = -1;
} else if (h_val_f > value_f) {
cmp = 1;
} else {
cmp = 0;
}
} else if (safe_str_eq(type, "version")) {
cmp = compare_version(h_val, value);
}
} else if (value == NULL && h_val == NULL) {
cmp = 0;
} else if (value == NULL) {
cmp = 1;
} else {
cmp = -1;
}
if (safe_str_eq(op, "defined")) {
if (h_val != NULL) {
accept = TRUE;
}
} else if (safe_str_eq(op, "not_defined")) {
if (h_val == NULL) {
accept = TRUE;
}
} else if (safe_str_eq(op, "eq")) {
if ((h_val == value) || cmp == 0) {
accept = TRUE;
}
} else if (safe_str_eq(op, "ne")) {
if ((h_val == NULL && value != NULL)
|| (h_val != NULL && value == NULL)
|| cmp != 0) {
accept = TRUE;
}
} else if (value == NULL || h_val == NULL) {
// The comparison is meaningless from this point on
accept = FALSE;
} else if (safe_str_eq(op, "lt")) {
if (cmp < 0) {
accept = TRUE;
}
} else if (safe_str_eq(op, "lte")) {
if (cmp <= 0) {
accept = TRUE;
}
} else if (safe_str_eq(op, "gt")) {
if (cmp > 0) {
accept = TRUE;
}
} else if (safe_str_eq(op, "gte")) {
if (cmp >= 0) {
accept = TRUE;
}
}
return accept;
}
int
pe__eval_date_expr(xmlNodePtr expr, pe_rule_eval_data_t *rule_data, crm_time_t *next_change)
{
crm_time_t *start = NULL;
crm_time_t *end = NULL;
const char *value = NULL;
const char *op = crm_element_value(expr, "operation");
xmlNode *duration_spec = NULL;
xmlNode *date_spec = NULL;
// "undetermined" will also be returned for parsing errors
int rc = pcmk_rc_undetermined;
crm_trace("Testing expression: %s", ID(expr));
duration_spec = first_named_child(expr, "duration");
date_spec = first_named_child(expr, "date_spec");
value = crm_element_value(expr, "start");
if (value != NULL) {
start = crm_time_new(value);
}
value = crm_element_value(expr, "end");
if (value != NULL) {
end = crm_time_new(value);
}
if (start != NULL && end == NULL && duration_spec != NULL) {
end = pe_parse_xml_duration(start, duration_spec);
}
if ((op == NULL) || safe_str_eq(op, "in_range")) {
if ((start == NULL) && (end == NULL)) {
// in_range requires at least one of start or end
} else if ((start != NULL) && (crm_time_compare(rule_data->now, start) < 0)) {
rc = pcmk_rc_before_range;
crm_time_set_if_earlier(next_change, start);
} else if ((end != NULL) && (crm_time_compare(rule_data->now, end) > 0)) {
rc = pcmk_rc_after_range;
} else {
rc = pcmk_rc_within_range;
if (end && next_change) {
// Evaluation doesn't change until second after end
crm_time_add_seconds(end, 1);
crm_time_set_if_earlier(next_change, end);
}
}
} else if (safe_str_eq(op, "date_spec")) {
rc = pe_cron_range_satisfied(rule_data->now, date_spec);
// @TODO set next_change appropriately
} else if (safe_str_eq(op, "gt")) {
if (start == NULL) {
// gt requires start
} else if (crm_time_compare(rule_data->now, start) > 0) {
rc = pcmk_rc_within_range;
} else {
rc = pcmk_rc_before_range;
// Evaluation doesn't change until second after start
crm_time_add_seconds(start, 1);
crm_time_set_if_earlier(next_change, start);
}
} else if (safe_str_eq(op, "lt")) {
if (end == NULL) {
// lt requires end
} else if (crm_time_compare(rule_data->now, end) < 0) {
rc = pcmk_rc_within_range;
crm_time_set_if_earlier(next_change, end);
} else {
rc = pcmk_rc_after_range;
}
}
crm_time_free(start);
crm_time_free(end);
return rc;
}
gboolean
pe__eval_op_expr(xmlNodePtr expr, pe_rule_eval_data_t *rule_data) {
const char *name = crm_element_value(expr, XML_NVPAIR_ATTR_NAME);
const char *interval_s = crm_element_value(expr, XML_LRM_ATTR_INTERVAL);
guint interval;
crm_trace("Testing op_defaults expression: %s", ID(expr));
if (rule_data->op_data == NULL) {
crm_trace("No operations data provided");
return FALSE;
}
interval = crm_parse_interval_spec(interval_s);
if (interval == 0 && errno != 0) {
crm_trace("Could not parse interval: %s", interval_s);
return FALSE;
}
if (interval_s != NULL && interval != rule_data->op_data->interval) {
crm_trace("Interval doesn't match: %d != %d", interval, rule_data->op_data->interval);
return FALSE;
}
if (!crm_str_eq(name, rule_data->op_data->op_name, TRUE)) {
crm_trace("Name doesn't match: %s != %s", name, rule_data->op_data->op_name);
return FALSE;
}
return TRUE;
}
gboolean
pe__eval_role_expr(xmlNodePtr expr, pe_rule_eval_data_t *rule_data)
{
gboolean accept = FALSE;
const char *op = NULL;
const char *value = NULL;
if (rule_data->role == RSC_ROLE_UNKNOWN) {
return accept;
}
value = crm_element_value(expr, XML_EXPR_ATTR_VALUE);
op = crm_element_value(expr, XML_EXPR_ATTR_OPERATION);
if (safe_str_eq(op, "defined")) {
if (rule_data->role > RSC_ROLE_STARTED) {
accept = TRUE;
}
} else if (safe_str_eq(op, "not_defined")) {
if (rule_data->role < RSC_ROLE_SLAVE && rule_data->role > RSC_ROLE_UNKNOWN) {
accept = TRUE;
}
} else if (safe_str_eq(op, "eq")) {
if (text2role(value) == rule_data->role) {
accept = TRUE;
}
} else if (safe_str_eq(op, "ne")) {
// Test "ne" only with promotable clone roles
if (rule_data->role < RSC_ROLE_SLAVE && rule_data->role > RSC_ROLE_UNKNOWN) {
accept = FALSE;
} else if (text2role(value) != rule_data->role) {
accept = TRUE;
}
}
return accept;
}
gboolean
pe__eval_rsc_expr(xmlNodePtr expr, pe_rule_eval_data_t *rule_data)
{
const char *class = crm_element_value(expr, XML_AGENT_ATTR_CLASS);
const char *provider = crm_element_value(expr, XML_AGENT_ATTR_PROVIDER);
const char *type = crm_element_value(expr, XML_EXPR_ATTR_TYPE);
crm_trace("Testing rsc_defaults expression: %s", ID(expr));
if (rule_data->rsc_data == NULL) {
crm_trace("No resource data provided");
return FALSE;
}
if (class != NULL &&
!crm_str_eq(class, rule_data->rsc_data->standard, TRUE)) {
crm_trace("Class doesn't match: %s != %s", class, rule_data->rsc_data->standard);
return FALSE;
}
if ((provider == NULL && rule_data->rsc_data->provider != NULL) ||
(provider != NULL && rule_data->rsc_data->provider == NULL) ||
!crm_str_eq(provider, rule_data->rsc_data->provider, TRUE)) {
crm_trace("Provider doesn't match: %s != %s", provider, rule_data->rsc_data->provider);
return FALSE;
}
if (type != NULL &&
!crm_str_eq(type, rule_data->rsc_data->agent, TRUE)) {
crm_trace("Agent doesn't match: %s != %s", type, rule_data->rsc_data->agent);
return FALSE;
}
return TRUE;
}
// Deprecated functions kept only for backward API compatibility
gboolean test_ruleset(xmlNode *ruleset, GHashTable *node_hash, crm_time_t *now);
gboolean test_rule(xmlNode *rule, GHashTable *node_hash, enum rsc_role_e role,
crm_time_t *now);
gboolean pe_test_rule_re(xmlNode *rule, GHashTable *node_hash,
enum rsc_role_e role, crm_time_t *now,
pe_re_match_data_t *re_match_data);
gboolean pe_test_rule_full(xmlNode *rule, GHashTable *node_hash,
enum rsc_role_e role, crm_time_t *now,
pe_match_data_t *match_data);
gboolean test_expression(xmlNode *expr, GHashTable *node_hash,
enum rsc_role_e role, crm_time_t *now);
gboolean pe_test_expression_re(xmlNode *expr, GHashTable *node_hash,
enum rsc_role_e role, crm_time_t *now,
pe_re_match_data_t *re_match_data);
gboolean pe_test_expression_full(xmlNode *expr, GHashTable *node_hash,
enum rsc_role_e role, crm_time_t *now,
pe_match_data_t *match_data);
void unpack_instance_attributes(xmlNode *top, xmlNode *xml_obj,
const char *set_name, GHashTable *node_hash,
GHashTable *hash, const char *always_first,
gboolean overwrite, crm_time_t *now);
gboolean
test_ruleset(xmlNode *ruleset, GHashTable *node_hash, crm_time_t *now)
{
return pe_evaluate_rules(ruleset, node_hash, now, NULL);
}
gboolean
test_rule(xmlNode * rule, GHashTable * node_hash, enum rsc_role_e role, crm_time_t * now)
{
return pe_test_rule(rule, node_hash, role, now, NULL, NULL);
}
gboolean
pe_test_rule_re(xmlNode * rule, GHashTable * node_hash, enum rsc_role_e role, crm_time_t * now, pe_re_match_data_t * re_match_data)
{
pe_match_data_t match_data = {
.re = re_match_data,
.params = NULL,
.meta = NULL,
};
return pe_test_rule(rule, node_hash, role, now, NULL, &match_data);
}
gboolean
pe_test_rule_full(xmlNode *rule, GHashTable *node_hash, enum rsc_role_e role,
crm_time_t *now, pe_match_data_t *match_data)
{
return pe_test_rule(rule, node_hash, role, now, NULL, match_data);
}
gboolean
test_expression(xmlNode * expr, GHashTable * node_hash, enum rsc_role_e role, crm_time_t * now)
{
return pe_test_expression(expr, node_hash, role, now, NULL, NULL);
}
gboolean
pe_test_expression_re(xmlNode * expr, GHashTable * node_hash, enum rsc_role_e role, crm_time_t * now, pe_re_match_data_t * re_match_data)
{
pe_match_data_t match_data = {
.re = re_match_data,
.params = NULL,
.meta = NULL,
};
return pe_test_expression(expr, node_hash, role, now, NULL, &match_data);
}
gboolean
pe_test_expression_full(xmlNode *expr, GHashTable *node_hash,
enum rsc_role_e role, crm_time_t *now,
pe_match_data_t *match_data)
{
return pe_test_expression(expr, node_hash, role, now, NULL, match_data);
}
void
unpack_instance_attributes(xmlNode *top, xmlNode *xml_obj, const char *set_name,
GHashTable *node_hash, GHashTable *hash,
const char *always_first, gboolean overwrite,
crm_time_t *now)
{
pe_rule_eval_data_t rule_data = {
.node_hash = node_hash,
.role = RSC_ROLE_UNKNOWN,
.now = now,
.match_data = NULL,
.rsc_data = NULL,
.op_data = NULL
};
unpack_nvpair_blocks(top, xml_obj, set_name, hash, always_first,
overwrite, &rule_data, NULL, unpack_attr_set);
}
diff --git a/lib/pengine/unpack.c b/lib/pengine/unpack.c
index 532a3e6fd8..8784857173 100644
--- a/lib/pengine/unpack.c
+++ b/lib/pengine/unpack.c
@@ -1,3869 +1,3896 @@
/*
* Copyright 2004-2020 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/msg_xml.h>
#include <crm/common/xml.h>
#include <crm/common/util.h>
#include <crm/pengine/rules.h>
#include <crm/pengine/internal.h>
#include <crm/common/iso8601_internal.h>
#include <pe_status_private.h>
CRM_TRACE_INIT_DATA(pe_status);
#define set_config_flag(data_set, option, flag) do { \
const char *tmp = pe_pref(data_set->config_hash, option); \
if(tmp) { \
if(crm_is_true(tmp)) { \
set_bit(data_set->flags, flag); \
} else { \
clear_bit(data_set->flags, flag); \
} \
} \
} while(0)
static void unpack_rsc_op(pe_resource_t *rsc, pe_node_t *node, xmlNode *xml_op,
xmlNode **last_failure,
enum action_fail_response *failed,
pe_working_set_t *data_set);
static void determine_remote_online_status(pe_working_set_t *data_set,
pe_node_t *this_node);
static void add_node_attrs(xmlNode *attrs, pe_node_t *node, bool overwrite,
pe_working_set_t *data_set);
static void determine_online_status(xmlNode *node_state, pe_node_t *this_node,
pe_working_set_t *data_set);
static void unpack_lrm_resources(pe_node_t *node, xmlNode *lrm_state,
pe_working_set_t *data_set);
// Bitmask for warnings we only want to print once
uint32_t pe_wo = 0;
static gboolean
is_dangling_guest_node(pe_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 (pe__is_guest_or_remote_node(node) &&
node->details->remote_rsc &&
node->details->remote_rsc->container == NULL &&
is_set(node->details->remote_rsc->flags, pe_rsc_orphan_container_filler)) {
return TRUE;
}
return FALSE;
}
/*!
* \brief Schedule a fence action for a node
*
* \param[in,out] data_set Current working set of cluster
* \param[in,out] node Node to fence
* \param[in] reason Text description of why fencing is needed
* \param[in] priority_delay Whether to consider `priority-fencing-delay`
*/
void
pe_fence_node(pe_working_set_t * data_set, pe_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 (pe__is_guest_node(node)) {
pe_resource_t *rsc = node->details->remote_rsc->container;
if (is_set(rsc->flags, pe_rsc_failed) == FALSE) {
if (!is_set(rsc->flags, pe_rsc_managed)) {
crm_notice("Not fencing guest node %s "
"(otherwise would because %s): "
"its guest resource %s is unmanaged",
node->details->uname, reason, rsc->id);
} else {
crm_warn("Guest node %s will be fenced "
"(by recovering its guest resource %s): %s",
node->details->uname, 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;
set_bit(rsc->flags, pe_rsc_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",
node->details->uname, reason);
set_bit(node->details->remote_rsc->flags, pe_rsc_failed);
} else if (pe__is_remote_node(node)) {
pe_resource_t *rsc = node->details->remote_rsc;
if (rsc && (!is_set(rsc->flags, pe_rsc_managed))) {
crm_notice("Not fencing remote node %s "
"(otherwise would because %s): connection is unmanaged",
node->details->uname, reason);
} else if(node->details->remote_requires_reset == FALSE) {
node->details->remote_requires_reset = TRUE;
crm_warn("Remote node %s %s: %s",
node->details->uname,
pe_can_fence(data_set, node)? "will be fenced" : "is unclean",
reason);
}
node->details->unclean = TRUE;
// No need to apply `priority-fencing-delay` for remote nodes
pe_fence_op(node, NULL, TRUE, reason, FALSE, data_set);
} else if (node->details->unclean) {
crm_trace("Cluster node %s %s because %s",
node->details->uname,
pe_can_fence(data_set, node)? "would also be fenced" : "also is unclean",
reason);
} else {
crm_warn("Cluster node %s %s: %s",
node->details->uname,
pe_can_fence(data_set, node)? "will be fenced" : "is unclean",
reason);
node->details->unclean = TRUE;
pe_fence_op(node, NULL, TRUE, reason, priority_delay, data_set);
}
}
// @TODO xpaths can't handle templates, rules, or id-refs
// nvpair with provides or requires set to unfencing
#define XPATH_UNFENCING_NVPAIR XML_CIB_TAG_NVPAIR \
"[(@" XML_NVPAIR_ATTR_NAME "='" XML_RSC_ATTR_PROVIDES "'" \
"or @" XML_NVPAIR_ATTR_NAME "='" XML_RSC_ATTR_REQUIRES "') " \
"and @" XML_NVPAIR_ATTR_VALUE "='unfencing']"
// unfencing in rsc_defaults or any resource
#define XPATH_ENABLE_UNFENCING \
"/" XML_TAG_CIB "/" XML_CIB_TAG_CONFIGURATION "/" XML_CIB_TAG_RESOURCES \
"//" XML_TAG_META_SETS "/" XPATH_UNFENCING_NVPAIR \
"|/" XML_TAG_CIB "/" XML_CIB_TAG_CONFIGURATION "/" XML_CIB_TAG_RSCCONFIG \
"/" XML_TAG_META_SETS "/" XPATH_UNFENCING_NVPAIR
static
void set_if_xpath(unsigned long long flag, const char *xpath,
pe_working_set_t *data_set)
{
xmlXPathObjectPtr result = NULL;
if (is_not_set(data_set->flags, flag)) {
result = xpath_search(data_set->input, xpath);
if (result && (numXpathResults(result) > 0)) {
set_bit(data_set->flags, flag);
}
freeXpathObject(result);
}
}
gboolean
unpack_config(xmlNode * config, pe_working_set_t * data_set)
{
const char *value = NULL;
GHashTable *config_hash = crm_str_table_new();
+ pe_rule_eval_data_t rule_data = {
+ .node_hash = NULL,
+ .role = RSC_ROLE_UNKNOWN,
+ .now = data_set->now,
+ .match_data = NULL,
+ .rsc_data = NULL,
+ .op_data = NULL
+ };
+
data_set->config_hash = config_hash;
- pe__unpack_dataset_nvpairs(config, XML_CIB_TAG_PROPSET, NULL, config_hash,
+ pe__unpack_dataset_nvpairs(config, XML_CIB_TAG_PROPSET, &rule_data, config_hash,
CIB_OPTIONS_FIRST, FALSE, data_set);
verify_pe_options(data_set->config_hash);
set_config_flag(data_set, "enable-startup-probes", pe_flag_startup_probes);
if(is_not_set(data_set->flags, pe_flag_startup_probes)) {
crm_info("Startup probes: disabled (dangerous)");
}
value = pe_pref(data_set->config_hash, XML_ATTR_HAVE_WATCHDOG);
if (value && crm_is_true(value)) {
crm_notice("Watchdog will be used via SBD if fencing is required "
"and stonith-watchdog-timeout is nonzero");
set_bit(data_set->flags, pe_flag_have_stonith_resource);
}
/* Set certain flags via xpath here, so they can be used before the relevant
* configuration sections are unpacked.
*/
set_if_xpath(pe_flag_enable_unfencing, XPATH_ENABLE_UNFENCING, data_set);
value = pe_pref(data_set->config_hash, "stonith-timeout");
data_set->stonith_timeout = (int) crm_parse_interval_spec(value);
crm_debug("STONITH timeout: %d", data_set->stonith_timeout);
set_config_flag(data_set, "stonith-enabled", pe_flag_stonith_enabled);
crm_debug("STONITH of failed nodes is %s",
is_set(data_set->flags, pe_flag_stonith_enabled) ? "enabled" : "disabled");
data_set->stonith_action = pe_pref(data_set->config_hash, "stonith-action");
if (!strcmp(data_set->stonith_action, "poweroff")) {
pe_warn_once(pe_wo_poweroff,
"Support for stonith-action of 'poweroff' is deprecated "
"and will be removed in a future release (use 'off' instead)");
data_set->stonith_action = "off";
}
crm_trace("STONITH will %s nodes", data_set->stonith_action);
set_config_flag(data_set, "concurrent-fencing", pe_flag_concurrent_fencing);
crm_debug("Concurrent fencing is %s",
is_set(data_set->flags, pe_flag_concurrent_fencing) ? "enabled" : "disabled");
value = pe_pref(data_set->config_hash,
XML_CONFIG_ATTR_PRIORITY_FENCING_DELAY);
if (value) {
data_set->priority_fencing_delay = crm_parse_interval_spec(value) / 1000;
crm_trace("Priority fencing delay is %ds", data_set->priority_fencing_delay);
}
set_config_flag(data_set, "stop-all-resources", pe_flag_stop_everything);
crm_debug("Stop all active resources: %s",
is_set(data_set->flags, pe_flag_stop_everything) ? "true" : "false");
set_config_flag(data_set, "symmetric-cluster", pe_flag_symmetric_cluster);
if (is_set(data_set->flags, pe_flag_symmetric_cluster)) {
crm_debug("Cluster is symmetric" " - resources can run anywhere by default");
}
value = pe_pref(data_set->config_hash, "no-quorum-policy");
if (safe_str_eq(value, "ignore")) {
data_set->no_quorum_policy = no_quorum_ignore;
} else if (safe_str_eq(value, "freeze")) {
data_set->no_quorum_policy = no_quorum_freeze;
} else if (safe_str_eq(value, "suicide")) {
if (is_set(data_set->flags, pe_flag_stonith_enabled)) {
int do_panic = 0;
crm_element_value_int(data_set->input, XML_ATTR_QUORUM_PANIC,
&do_panic);
if (do_panic || is_set(data_set->flags, pe_flag_have_quorum)) {
data_set->no_quorum_policy = no_quorum_suicide;
} else {
crm_notice("Resetting no-quorum-policy to 'stop': cluster has never had quorum");
data_set->no_quorum_policy = no_quorum_stop;
}
} else {
pcmk__config_err("Resetting no-quorum-policy to 'stop' because "
"fencing is disabled");
data_set->no_quorum_policy = no_quorum_stop;
}
} else {
data_set->no_quorum_policy = no_quorum_stop;
}
switch (data_set->no_quorum_policy) {
case no_quorum_freeze:
crm_debug("On loss of quorum: Freeze resources");
break;
case no_quorum_stop:
crm_debug("On loss of quorum: Stop ALL resources");
break;
case no_quorum_suicide:
crm_notice("On loss of quorum: Fence all remaining nodes");
break;
case no_quorum_ignore:
crm_notice("On loss of quorum: Ignore");
break;
}
set_config_flag(data_set, "stop-orphan-resources", pe_flag_stop_rsc_orphans);
crm_trace("Orphan resources are %s",
is_set(data_set->flags, pe_flag_stop_rsc_orphans) ? "stopped" : "ignored");
set_config_flag(data_set, "stop-orphan-actions", pe_flag_stop_action_orphans);
crm_trace("Orphan resource actions are %s",
is_set(data_set->flags, pe_flag_stop_action_orphans) ? "stopped" : "ignored");
set_config_flag(data_set, "remove-after-stop", pe_flag_remove_after_stop);
crm_trace("Stopped resources are removed from the status section: %s",
is_set(data_set->flags, pe_flag_remove_after_stop) ? "true" : "false");
set_config_flag(data_set, "maintenance-mode", pe_flag_maintenance_mode);
crm_trace("Maintenance mode: %s",
is_set(data_set->flags, pe_flag_maintenance_mode) ? "true" : "false");
set_config_flag(data_set, "start-failure-is-fatal", pe_flag_start_failure_fatal);
crm_trace("Start failures are %s",
is_set(data_set->flags,
pe_flag_start_failure_fatal) ? "always fatal" : "handled by failcount");
if (is_set(data_set->flags, pe_flag_stonith_enabled)) {
set_config_flag(data_set, "startup-fencing", pe_flag_startup_fencing);
}
if (is_set(data_set->flags, pe_flag_startup_fencing)) {
crm_trace("Unseen nodes will be fenced");
} else {
pe_warn_once(pe_wo_blind, "Blind faith: not fencing unseen nodes");
}
pcmk__score_red = char2score(pe_pref(data_set->config_hash, "node-health-red"));
pcmk__score_green = char2score(pe_pref(data_set->config_hash, "node-health-green"));
pcmk__score_yellow = char2score(pe_pref(data_set->config_hash, "node-health-yellow"));
crm_debug("Node scores: 'red' = %s, 'yellow' = %s, 'green' = %s",
pe_pref(data_set->config_hash, "node-health-red"),
pe_pref(data_set->config_hash, "node-health-yellow"),
pe_pref(data_set->config_hash, "node-health-green"));
data_set->placement_strategy = pe_pref(data_set->config_hash, "placement-strategy");
crm_trace("Placement strategy: %s", data_set->placement_strategy);
set_config_flag(data_set, "shutdown-lock", pe_flag_shutdown_lock);
crm_trace("Resources will%s be locked to cleanly shut down nodes",
(is_set(data_set->flags, pe_flag_shutdown_lock)? "" : " not"));
if (is_set(data_set->flags, pe_flag_shutdown_lock)) {
value = pe_pref(data_set->config_hash,
XML_CONFIG_ATTR_SHUTDOWN_LOCK_LIMIT);
data_set->shutdown_lock = crm_parse_interval_spec(value) / 1000;
crm_trace("Shutdown locks expire after %us", data_set->shutdown_lock);
}
return TRUE;
}
static void
destroy_digest_cache(gpointer ptr)
{
op_digest_cache_t *data = ptr;
free_xml(data->params_all);
free_xml(data->params_secure);
free_xml(data->params_restart);
free(data->digest_all_calc);
free(data->digest_restart_calc);
free(data->digest_secure_calc);
free(data);
}
pe_node_t *
pe_create_node(const char *id, const char *uname, const char *type,
const char *score, pe_working_set_t * data_set)
{
pe_node_t *new_node = NULL;
if (pe_find_node(data_set->nodes, uname) != NULL) {
pcmk__config_warn("More than one node entry has name '%s'", uname);
}
new_node = calloc(1, sizeof(pe_node_t));
if (new_node == NULL) {
return NULL;
}
new_node->weight = char2score(score);
new_node->fixed = FALSE;
new_node->details = calloc(1, sizeof(struct pe_node_shared_s));
if (new_node->details == NULL) {
free(new_node);
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->type = node_ping;
if (safe_str_eq(type, "remote")) {
new_node->details->type = node_remote;
set_bit(data_set->flags, pe_flag_have_remote_nodes);
} else if ((type == NULL) || safe_str_eq(type, "member")) {
new_node->details->type = node_member;
}
new_node->details->attrs = crm_str_table_new();
if (pe__is_guest_or_remote_node(new_node)) {
g_hash_table_insert(new_node->details->attrs, strdup(CRM_ATTR_KIND),
strdup("remote"));
} else {
g_hash_table_insert(new_node->details->attrs, strdup(CRM_ATTR_KIND),
strdup("cluster"));
}
new_node->details->utilization = crm_str_table_new();
new_node->details->digest_cache = g_hash_table_new_full(crm_str_hash,
g_str_equal, free,
destroy_digest_cache);
data_set->nodes = g_list_insert_sorted(data_set->nodes, new_node, sort_node_uname);
return new_node;
}
static const char *
expand_remote_rsc_meta(xmlNode *xml_obj, xmlNode *parent, pe_working_set_t *data)
{
xmlNode *attr_set = NULL;
xmlNode *attr = NULL;
const char *container_id = 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 = __xml_first_child_element(xml_obj); attr_set != NULL;
attr_set = __xml_next_element(attr_set)) {
if (safe_str_neq((const char *)attr_set->name, XML_TAG_META_SETS)) {
continue;
}
for (attr = __xml_first_child_element(attr_set); attr != NULL;
attr = __xml_next_element(attr)) {
const char *value = crm_element_value(attr, XML_NVPAIR_ATTR_VALUE);
const char *name = crm_element_value(attr, XML_NVPAIR_ATTR_NAME);
if (safe_str_eq(name, XML_RSC_ATTR_REMOTE_NODE)) {
remote_name = value;
} else if (safe_str_eq(name, "remote-addr")) {
remote_server = value;
} else if (safe_str_eq(name, "remote-port")) {
remote_port = value;
} else if (safe_str_eq(name, "remote-connect-timeout")) {
connect_timeout = value;
} else if (safe_str_eq(name, "remote-allow-migrate")) {
remote_allow_migrate=value;
} else if (safe_str_eq(name, XML_RSC_ATTR_MANAGED)) {
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(pe_working_set_t *data_set, pe_node_t *new_node)
{
if ((new_node->details->type == node_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 (is_set(data_set->flags, pe_flag_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, pe_working_set_t * data_set)
{
xmlNode *xml_obj = NULL;
pe_node_t *new_node = NULL;
const char *id = NULL;
const char *uname = NULL;
const char *type = NULL;
const char *score = NULL;
+ pe_rule_eval_data_t rule_data = {
+ .node_hash = NULL,
+ .role = RSC_ROLE_UNKNOWN,
+ .now = data_set->now,
+ .match_data = NULL,
+ .rsc_data = NULL,
+ .op_data = NULL
+ };
+
for (xml_obj = __xml_first_child_element(xml_nodes); xml_obj != NULL;
xml_obj = __xml_next_element(xml_obj)) {
if (crm_str_eq((const char *)xml_obj->name, XML_CIB_TAG_NODE, TRUE)) {
new_node = NULL;
id = crm_element_value(xml_obj, XML_ATTR_ID);
uname = crm_element_value(xml_obj, XML_ATTR_UNAME);
type = crm_element_value(xml_obj, XML_ATTR_TYPE);
score = crm_element_value(xml_obj, XML_RULE_ATTR_SCORE);
crm_trace("Processing node %s/%s", uname, id);
if (id == NULL) {
pcmk__config_err("Ignoring <" XML_CIB_TAG_NODE
"> entry in configuration without id");
continue;
}
new_node = pe_create_node(id, uname, type, score, data_set);
if (new_node == NULL) {
return FALSE;
}
/* if(data_set->have_quorum == FALSE */
/* && data_set->no_quorum_policy == no_quorum_stop) { */
/* /\* start shutting resources down *\/ */
/* new_node->weight = -INFINITY; */
/* } */
handle_startup_fencing(data_set, new_node);
add_node_attrs(xml_obj, new_node, FALSE, data_set);
- pe__unpack_dataset_nvpairs(xml_obj, XML_TAG_UTILIZATION, NULL,
+ pe__unpack_dataset_nvpairs(xml_obj, XML_TAG_UTILIZATION, &rule_data,
new_node->details->utilization, NULL,
FALSE, data_set);
crm_trace("Done with node %s", crm_element_value(xml_obj, XML_ATTR_UNAME));
}
}
if (data_set->localhost && pe_find_node(data_set->nodes, data_set->localhost) == NULL) {
crm_info("Creating a fake local node");
pe_create_node(data_set->localhost, data_set->localhost, NULL, 0,
data_set);
}
return TRUE;
}
static void
setup_container(pe_resource_t * rsc, pe_working_set_t * data_set)
{
const char *container_id = NULL;
if (rsc->children) {
GListPtr gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
pe_resource_t *child_rsc = (pe_resource_t *) gIter->data;
setup_container(child_rsc, data_set);
}
return;
}
container_id = g_hash_table_lookup(rsc->meta, XML_RSC_ATTR_CONTAINER);
if (container_id && safe_str_neq(container_id, rsc->id)) {
pe_resource_t *container = pe_find_resource(data_set->resources, container_id);
if (container) {
rsc->container = container;
set_bit(container->flags, pe_rsc_is_container);
container->fillers = g_list_append(container->fillers, rsc);
pe_rsc_trace(rsc, "Resource %s's container is %s", rsc->id, container_id);
} else {
pe_err("Resource %s: Unknown resource container (%s)", rsc->id, container_id);
}
}
}
gboolean
unpack_remote_nodes(xmlNode * xml_resources, pe_working_set_t * data_set)
{
xmlNode *xml_obj = NULL;
/* Create remote nodes and guest nodes from the resource configuration
* before unpacking resources.
*/
for (xml_obj = __xml_first_child_element(xml_resources); xml_obj != NULL;
xml_obj = __xml_next_element(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 = ID(xml_obj);
/* The "pe_find_node" check is here to make sure we don't iterate over
* an expanded node that has already been added to the node list. */
if (new_node_id && pe_find_node(data_set->nodes, new_node_id) == NULL) {
crm_trace("Found remote node %s defined by resource %s",
new_node_id, ID(xml_obj));
pe_create_node(new_node_id, new_node_id, "remote", NULL,
data_set);
}
continue;
}
/* Check for guest nodes, which are defined by special meta-attributes
* of a primitive of any type (for example, VirtualDomain or Xen).
*/
if (crm_str_eq((const char *)xml_obj->name, XML_CIB_TAG_RESOURCE, TRUE)) {
/* 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, data_set);
if (new_node_id && pe_find_node(data_set->nodes, new_node_id) == NULL) {
crm_trace("Found guest node %s in resource %s",
new_node_id, ID(xml_obj));
pe_create_node(new_node_id, new_node_id, "remote", NULL,
data_set);
}
continue;
}
/* Check for guest nodes inside a group. Clones are currently not
* supported as guest nodes.
*/
if (crm_str_eq((const char *)xml_obj->name, XML_CIB_TAG_GROUP, TRUE)) {
xmlNode *xml_obj2 = NULL;
for (xml_obj2 = __xml_first_child_element(xml_obj); xml_obj2 != NULL;
xml_obj2 = __xml_next_element(xml_obj2)) {
new_node_id = expand_remote_rsc_meta(xml_obj2, xml_resources, data_set);
if (new_node_id && pe_find_node(data_set->nodes, new_node_id) == NULL) {
crm_trace("Found guest node %s in resource %s inside group %s",
new_node_id, ID(xml_obj2), ID(xml_obj));
pe_create_node(new_node_id, new_node_id, "remote", NULL,
data_set);
}
}
}
}
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(pe_working_set_t *data_set, pe_resource_t *new_rsc)
{
pe_node_t *remote_node = NULL;
if (new_rsc->is_remote_node == FALSE) {
return;
}
if (is_set(data_set->flags, pe_flag_quick_location)) {
/* remote_nodes and remote_resources are not linked in quick location calculations */
return;
}
remote_node = pe_find_node(data_set->nodes, new_rsc->id);
CRM_CHECK(remote_node != NULL, return;);
pe_rsc_trace(new_rsc, "Linking remote connection resource %s to node %s",
new_rsc->id, remote_node->details->uname);
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(data_set, 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.
*/
g_hash_table_replace(remote_node->details->attrs, strdup(CRM_ATTR_KIND),
strdup("container"));
}
}
static void
destroy_tag(gpointer data)
{
pe_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] data_set Where to put resource information
*
* \return TRUE
*
* \note unpack_remote_nodes() MUST be called before this, so that the nodes can
* be used when common_unpack() calls resource_location()
*/
gboolean
unpack_resources(xmlNode * xml_resources, pe_working_set_t * data_set)
{
xmlNode *xml_obj = NULL;
GListPtr gIter = NULL;
data_set->template_rsc_sets = g_hash_table_new_full(crm_str_hash,
g_str_equal, free,
destroy_tag);
for (xml_obj = __xml_first_child_element(xml_resources); xml_obj != NULL;
xml_obj = __xml_next_element(xml_obj)) {
pe_resource_t *new_rsc = NULL;
if (crm_str_eq((const char *)xml_obj->name, XML_CIB_TAG_RSC_TEMPLATE, TRUE)) {
const char *template_id = ID(xml_obj);
if (template_id && g_hash_table_lookup_extended(data_set->template_rsc_sets,
template_id, NULL, NULL) == FALSE) {
/* Record the template's ID for the knowledge of its existence anyway. */
g_hash_table_insert(data_set->template_rsc_sets, strdup(template_id), NULL);
}
continue;
}
crm_trace("Beginning unpack... <%s id=%s... >", crm_element_name(xml_obj), ID(xml_obj));
if (common_unpack(xml_obj, &new_rsc, NULL, data_set)) {
data_set->resources = g_list_append(data_set->resources, new_rsc);
pe_rsc_trace(new_rsc, "Added resource %s", new_rsc->id);
} else {
pcmk__config_err("Ignoring <%s> resource '%s' "
"because configuration is invalid",
crm_element_name(xml_obj), crm_str(ID(xml_obj)));
if (new_rsc != NULL && new_rsc->fns != NULL) {
new_rsc->fns->free(new_rsc);
}
}
}
for (gIter = data_set->resources; gIter != NULL; gIter = gIter->next) {
pe_resource_t *rsc = (pe_resource_t *) gIter->data;
setup_container(rsc, data_set);
link_rsc2remotenode(data_set, rsc);
}
data_set->resources = g_list_sort(data_set->resources, sort_rsc_priority);
if (is_set(data_set->flags, pe_flag_quick_location)) {
/* Ignore */
} else if (is_set(data_set->flags, pe_flag_stonith_enabled)
&& is_set(data_set->flags, pe_flag_have_stonith_resource) == FALSE) {
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 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, pe_working_set_t * data_set)
{
xmlNode *xml_tag = NULL;
data_set->tags = g_hash_table_new_full(crm_str_hash, g_str_equal, free,
destroy_tag);
for (xml_tag = __xml_first_child_element(xml_tags); xml_tag != NULL;
xml_tag = __xml_next_element(xml_tag)) {
xmlNode *xml_obj_ref = NULL;
const char *tag_id = ID(xml_tag);
if (crm_str_eq((const char *)xml_tag->name, XML_CIB_TAG_TAG, TRUE) == FALSE) {
continue;
}
if (tag_id == NULL) {
pcmk__config_err("Ignoring <%s> without " XML_ATTR_ID,
crm_element_name(xml_tag));
continue;
}
for (xml_obj_ref = __xml_first_child_element(xml_tag); xml_obj_ref != NULL;
xml_obj_ref = __xml_next_element(xml_obj_ref)) {
const char *obj_ref = ID(xml_obj_ref);
if (crm_str_eq((const char *)xml_obj_ref->name, XML_CIB_TAG_OBJ_REF, TRUE) == FALSE) {
continue;
}
if (obj_ref == NULL) {
pcmk__config_err("Ignoring <%s> for tag '%s' without " XML_ATTR_ID,
crm_element_name(xml_obj_ref), tag_id);
continue;
}
if (add_tag_ref(data_set->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, pe_working_set_t * data_set)
{
const char *ticket_id = NULL;
const char *granted = NULL;
const char *last_granted = NULL;
const char *standby = NULL;
xmlAttrPtr xIter = NULL;
pe_ticket_t *ticket = NULL;
ticket_id = ID(xml_ticket);
if (ticket_id == NULL || strlen(ticket_id) == 0) {
return FALSE;
}
crm_trace("Processing ticket state for %s", ticket_id);
ticket = g_hash_table_lookup(data_set->tickets, ticket_id);
if (ticket == NULL) {
ticket = ticket_new(ticket_id, data_set);
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 = crm_element_value(xml_ticket, prop_name);
if (crm_str_eq(prop_name, XML_ATTR_ID, TRUE)) {
continue;
}
g_hash_table_replace(ticket->state, strdup(prop_name), strdup(prop_value));
}
granted = g_hash_table_lookup(ticket->state, "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, "last-granted");
if (last_granted) {
ticket->last_granted = crm_parse_int(last_granted, 0);
}
standby = g_hash_table_lookup(ticket->state, "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, pe_working_set_t * data_set)
{
xmlNode *xml_obj = NULL;
for (xml_obj = __xml_first_child_element(xml_tickets); xml_obj != NULL;
xml_obj = __xml_next_element(xml_obj)) {
if (crm_str_eq((const char *)xml_obj->name, XML_CIB_TAG_TICKET_STATE, TRUE) == FALSE) {
continue;
}
unpack_ticket_state(xml_obj, data_set);
}
return TRUE;
}
static void
unpack_handle_remote_attrs(pe_node_t *this_node, xmlNode *state, pe_working_set_t * data_set)
{
const char *resource_discovery_enabled = NULL;
xmlNode *attrs = NULL;
pe_resource_t *rsc = NULL;
if (crm_str_eq((const char *)state->name, XML_CIB_TAG_STATE, TRUE) == FALSE) {
return;
}
if ((this_node == NULL) || !pe__is_guest_or_remote_node(this_node)) {
return;
}
crm_trace("Processing remote node id=%s, uname=%s", this_node->details->id, this_node->details->uname);
this_node->details->remote_maintenance =
crm_atoi(crm_element_value(state, XML_NODE_IS_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 = find_xml_node(state, XML_TAG_TRANSIENT_NODEATTRS, FALSE);
add_node_attrs(attrs, this_node, TRUE, data_set);
if (pe__shutdown_requested(this_node)) {
crm_info("Node %s is shutting down", this_node->details->uname);
this_node->details->shutdown = TRUE;
if (rsc) {
rsc->next_role = RSC_ROLE_STOPPED;
}
}
if (crm_is_true(pe_node_attribute_raw(this_node, "standby"))) {
crm_info("Node %s is in standby-mode", this_node->details->uname);
this_node->details->standby = TRUE;
}
if (crm_is_true(pe_node_attribute_raw(this_node, "maintenance")) ||
(rsc && !is_set(rsc->flags, pe_rsc_managed))) {
crm_info("Node %s is in maintenance-mode", this_node->details->uname);
this_node->details->maintenance = TRUE;
}
resource_discovery_enabled = pe_node_attribute_raw(this_node, XML_NODE_ATTR_RSC_DISCOVERY);
if (resource_discovery_enabled && !crm_is_true(resource_discovery_enabled)) {
if (pe__is_remote_node(this_node)
&& is_not_set(data_set->flags, pe_flag_stonith_enabled)) {
crm_warn("Ignoring %s attribute on remote node %s because stonith is disabled",
XML_NODE_ATTR_RSC_DISCOVERY, this_node->details->uname);
} 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("Node %s has resource discovery disabled", this_node->details->uname);
this_node->details->rsc_discovery_enabled = FALSE;
}
}
}
static bool
unpack_node_loop(xmlNode * status, bool fence, pe_working_set_t * data_set)
{
bool changed = false;
xmlNode *lrm_rsc = NULL;
for (xmlNode *state = __xml_first_child_element(status); state != NULL;
state = __xml_next_element(state)) {
const char *id = NULL;
const char *uname = NULL;
pe_node_t *this_node = NULL;
bool process = FALSE;
if (crm_str_eq((const char *)state->name, XML_CIB_TAG_STATE, TRUE) == FALSE) {
continue;
}
id = crm_element_value(state, XML_ATTR_ID);
uname = crm_element_value(state, XML_ATTR_UNAME);
this_node = pe_find_node_any(data_set->nodes, id, uname);
if (this_node == NULL) {
crm_info("Node %s is unknown", id);
continue;
} else if (this_node->details->unpacked) {
crm_trace("Node %s was already processed", id);
continue;
} else if (!pe__is_guest_or_remote_node(this_node)
&& is_set(data_set->flags, pe_flag_stonith_enabled)) {
// A redundant test, but preserves the order for regression tests
process = TRUE;
} else if (pe__is_guest_or_remote_node(this_node)) {
bool check = FALSE;
pe_resource_t *rsc = this_node->details->remote_rsc;
if(fence) {
check = TRUE;
} else if(rsc == NULL) {
/* Not ready yet */
} else if (pe__is_guest_node(this_node)
&& rsc->role == RSC_ROLE_STARTED
&& rsc->container->role == RSC_ROLE_STARTED) {
/* Both the connection and its containing resource need to be
* known to be up before we process resources running in it.
*/
check = TRUE;
crm_trace("Checking node %s/%s/%s status %d/%d/%d", id, rsc->id, rsc->container->id, fence, rsc->role, RSC_ROLE_STARTED);
} else if (!pe__is_guest_node(this_node)
&& ((rsc->role == RSC_ROLE_STARTED)
|| is_set(data_set->flags, pe_flag_shutdown_lock))) {
check = TRUE;
crm_trace("Checking node %s/%s status %d/%d/%d", id, rsc->id, fence, rsc->role, RSC_ROLE_STARTED);
}
if (check) {
determine_remote_online_status(data_set, this_node);
unpack_handle_remote_attrs(this_node, state, data_set);
process = TRUE;
}
} else if (this_node->details->online) {
process = TRUE;
} else if (fence) {
process = TRUE;
} else if (is_set(data_set->flags, pe_flag_shutdown_lock)) {
process = TRUE;
}
if(process) {
crm_trace("Processing lrm resource entries on %shealthy%s node: %s",
fence?"un":"",
(pe__is_guest_or_remote_node(this_node)? " remote" : ""),
this_node->details->uname);
changed = TRUE;
this_node->details->unpacked = TRUE;
lrm_rsc = find_xml_node(state, XML_CIB_TAG_LRM, FALSE);
lrm_rsc = find_xml_node(lrm_rsc, XML_LRM_TAG_RESOURCES, FALSE);
unpack_lrm_resources(this_node, lrm_rsc, data_set);
}
}
return changed;
}
/* 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, pe_working_set_t * data_set)
{
const char *id = NULL;
const char *uname = NULL;
xmlNode *state = NULL;
pe_node_t *this_node = NULL;
crm_trace("Beginning unpack");
if (data_set->tickets == NULL) {
data_set->tickets = g_hash_table_new_full(crm_str_hash, g_str_equal,
free, destroy_ticket);
}
for (state = __xml_first_child_element(status); state != NULL;
state = __xml_next_element(state)) {
if (crm_str_eq((const char *)state->name, XML_CIB_TAG_TICKETS, TRUE)) {
unpack_tickets_state((xmlNode *) state, data_set);
} else if (crm_str_eq((const char *)state->name, XML_CIB_TAG_STATE, TRUE)) {
xmlNode *attrs = NULL;
const char *resource_discovery_enabled = NULL;
id = crm_element_value(state, XML_ATTR_ID);
uname = crm_element_value(state, XML_ATTR_UNAME);
this_node = pe_find_node_any(data_set->nodes, id, uname);
if (uname == NULL) {
/* error */
continue;
} else if (this_node == NULL) {
pcmk__config_warn("Ignoring recorded node status for '%s' "
"because no longer in configuration", uname);
continue;
} else if (pe__is_guest_or_remote_node(this_node)) {
/* online state for remote nodes is determined by the
* rsc state after all the unpacking is done. we do however
* need to mark whether or not the node has been fenced as this plays
* a role during unpacking cluster node resource state */
this_node->details->remote_was_fenced =
crm_atoi(crm_element_value(state, XML_NODE_IS_FENCED), "0");
continue;
}
crm_trace("Processing node id=%s, uname=%s", id, uname);
/* Mark the node as provisionally clean
* - at least we have seen it in the current cluster's lifetime
*/
this_node->details->unclean = FALSE;
this_node->details->unseen = FALSE;
attrs = find_xml_node(state, XML_TAG_TRANSIENT_NODEATTRS, FALSE);
add_node_attrs(attrs, this_node, TRUE, data_set);
if (crm_is_true(pe_node_attribute_raw(this_node, "standby"))) {
crm_info("Node %s is in standby-mode", this_node->details->uname);
this_node->details->standby = TRUE;
}
if (crm_is_true(pe_node_attribute_raw(this_node, "maintenance"))) {
crm_info("Node %s is in maintenance-mode", this_node->details->uname);
this_node->details->maintenance = TRUE;
}
resource_discovery_enabled = pe_node_attribute_raw(this_node, XML_NODE_ATTR_RSC_DISCOVERY);
if (resource_discovery_enabled && !crm_is_true(resource_discovery_enabled)) {
crm_warn("ignoring %s attribute on node %s, disabling resource discovery is not allowed on cluster nodes",
XML_NODE_ATTR_RSC_DISCOVERY, this_node->details->uname);
}
crm_trace("determining node state");
determine_online_status(state, this_node, data_set);
if (is_not_set(data_set->flags, pe_flag_have_quorum)
&& this_node->details->online
&& (data_set->no_quorum_policy == no_quorum_suicide)) {
/* Everything else should flow from this automatically
* (at least until the scheduler becomes able to migrate off
* healthy resources)
*/
pe_fence_node(data_set, this_node, "cluster does not have quorum", FALSE);
}
}
}
while(unpack_node_loop(status, FALSE, data_set)) {
crm_trace("Start another loop");
}
// Now catch any nodes we didn't see
unpack_node_loop(status, is_set(data_set->flags, pe_flag_stonith_enabled), data_set);
/* Now that we know where resources are, we can schedule stops of containers
* with failed bundle connections
*/
if (data_set->stop_needed != NULL) {
for (GList *item = data_set->stop_needed; item; item = item->next) {
pe_resource_t *container = item->data;
pe_node_t *node = pe__current_node(container);
if (node) {
stop_action(container, node, FALSE);
}
}
g_list_free(data_set->stop_needed);
data_set->stop_needed = NULL;
}
for (GListPtr gIter = data_set->nodes; gIter != NULL; gIter = gIter->next) {
pe_node_t *this_node = gIter->data;
if (this_node == NULL) {
continue;
} else if (!pe__is_guest_or_remote_node(this_node)) {
continue;
} else if(this_node->details->unpacked) {
continue;
}
determine_remote_online_status(data_set, this_node);
}
return TRUE;
}
static gboolean
determine_online_status_no_fencing(pe_working_set_t * data_set, xmlNode * node_state,
pe_node_t * this_node)
{
gboolean online = FALSE;
const char *join = crm_element_value(node_state, XML_NODE_JOIN_STATE);
const char *is_peer = crm_element_value(node_state, XML_NODE_IS_PEER);
const char *in_cluster = crm_element_value(node_state, XML_NODE_IN_CLUSTER);
const char *exp_state = crm_element_value(node_state, XML_NODE_EXPECTED);
if (!crm_is_true(in_cluster)) {
crm_trace("Node is down: in_cluster=%s", crm_str(in_cluster));
} else if (safe_str_eq(is_peer, ONLINESTATUS)) {
if (safe_str_eq(join, CRMD_JOINSTATE_MEMBER)) {
online = TRUE;
} else {
crm_debug("Node is not ready to run resources: %s", join);
}
} else if (this_node->details->expected_up == FALSE) {
crm_trace("Controller is down: in_cluster=%s", crm_str(in_cluster));
crm_trace("\tis_peer=%s, join=%s, expected=%s",
crm_str(is_peer), crm_str(join), crm_str(exp_state));
} else {
/* mark it unclean */
pe_fence_node(data_set, this_node, "peer is unexpectedly down", FALSE);
crm_info("\tin_cluster=%s, is_peer=%s, join=%s, expected=%s",
crm_str(in_cluster), crm_str(is_peer), crm_str(join), crm_str(exp_state));
}
return online;
}
static gboolean
determine_online_status_fencing(pe_working_set_t * data_set, xmlNode * node_state,
pe_node_t * this_node)
{
gboolean online = FALSE;
gboolean do_terminate = FALSE;
bool crmd_online = FALSE;
const char *join = crm_element_value(node_state, XML_NODE_JOIN_STATE);
const char *is_peer = crm_element_value(node_state, XML_NODE_IS_PEER);
const char *in_cluster = crm_element_value(node_state, XML_NODE_IN_CLUSTER);
const char *exp_state = crm_element_value(node_state, XML_NODE_EXPECTED);
const char *terminate = pe_node_attribute_raw(this_node, "terminate");
/*
- XML_NODE_IN_CLUSTER ::= true|false
- XML_NODE_IS_PEER ::= online|offline
- XML_NODE_JOIN_STATE ::= member|down|pending|banned
- XML_NODE_EXPECTED ::= member|down
*/
if (crm_is_true(terminate)) {
do_terminate = TRUE;
} else if (terminate != NULL && strlen(terminate) > 0) {
/* could be a time() value */
char t = terminate[0];
if (t != '0' && isdigit(t)) {
do_terminate = TRUE;
}
}
crm_trace("%s: in_cluster=%s, is_peer=%s, join=%s, expected=%s, term=%d",
this_node->details->uname, crm_str(in_cluster), crm_str(is_peer),
crm_str(join), crm_str(exp_state), do_terminate);
online = crm_is_true(in_cluster);
crmd_online = safe_str_eq(is_peer, ONLINESTATUS);
if (exp_state == NULL) {
exp_state = CRMD_JOINSTATE_DOWN;
}
if (this_node->details->shutdown) {
crm_debug("%s is shutting down", this_node->details->uname);
/* Slightly different criteria since we can't shut down a dead peer */
online = crmd_online;
} else if (in_cluster == NULL) {
pe_fence_node(data_set, this_node, "peer has not been seen by the cluster", FALSE);
} else if (safe_str_eq(join, CRMD_JOINSTATE_NACK)) {
pe_fence_node(data_set, this_node, "peer failed the pacemaker membership criteria", FALSE);
} else if (do_terminate == FALSE && safe_str_eq(exp_state, CRMD_JOINSTATE_DOWN)) {
if (crm_is_true(in_cluster) || crmd_online) {
crm_info("- Node %s is not ready to run resources", this_node->details->uname);
this_node->details->standby = TRUE;
this_node->details->pending = TRUE;
} else {
crm_trace("%s is down or still coming up", this_node->details->uname);
}
} else if (do_terminate && safe_str_eq(join, CRMD_JOINSTATE_DOWN)
&& crm_is_true(in_cluster) == FALSE && !crmd_online) {
crm_info("Node %s was just shot", this_node->details->uname);
online = FALSE;
} else if (crm_is_true(in_cluster) == FALSE) {
// Consider `priority-fencing-delay` for lost nodes
pe_fence_node(data_set, this_node, "peer is no longer part of the cluster", TRUE);
} else if (!crmd_online) {
pe_fence_node(data_set, this_node, "peer process is no longer available", FALSE);
/* Everything is running at this point, now check join state */
} else if (do_terminate) {
pe_fence_node(data_set, this_node, "termination was requested", FALSE);
} else if (safe_str_eq(join, CRMD_JOINSTATE_MEMBER)) {
crm_info("Node %s is active", this_node->details->uname);
} else if (safe_str_eq(join, CRMD_JOINSTATE_PENDING)
|| safe_str_eq(join, CRMD_JOINSTATE_DOWN)) {
crm_info("Node %s is not ready to run resources", this_node->details->uname);
this_node->details->standby = TRUE;
this_node->details->pending = TRUE;
} else {
pe_fence_node(data_set, this_node, "peer was in an unknown state", FALSE);
crm_warn("%s: in-cluster=%s, is-peer=%s, join=%s, expected=%s, term=%d, shutdown=%d",
this_node->details->uname, crm_str(in_cluster), crm_str(is_peer),
crm_str(join), crm_str(exp_state), do_terminate, this_node->details->shutdown);
}
return online;
}
static void
determine_remote_online_status(pe_working_set_t * data_set, pe_node_t * this_node)
{
pe_resource_t *rsc = this_node->details->remote_rsc;
pe_resource_t *container = NULL;
pe_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 == RSC_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 == RSC_ROLE_STARTED && rsc->next_role == RSC_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 && is_set(container->flags, pe_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(is_set(rsc->flags, pe_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 == RSC_ROLE_STOPPED
|| (container && container->role == RSC_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(xmlNode * node_state, pe_node_t * this_node, pe_working_set_t * data_set)
{
gboolean online = FALSE;
const char *exp_state = crm_element_value(node_state, XML_NODE_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 (safe_str_eq(exp_state, CRMD_JOINSTATE_MEMBER)) {
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 (is_set(data_set->flags, pe_flag_stonith_enabled) == FALSE) {
online = determine_online_status_no_fencing(data_set, node_state, this_node);
} else {
online = determine_online_status_fencing(data_set, node_state, this_node);
}
if (online) {
this_node->details->online = TRUE;
} else {
/* remove node from contention */
this_node->fixed = TRUE;
this_node->weight = -INFINITY;
}
if (online && this_node->details->shutdown) {
/* don't run resources here */
this_node->fixed = TRUE;
this_node->weight = -INFINITY;
}
if (this_node->details->type == node_ping) {
crm_info("Node %s is not a pacemaker node", this_node->details->uname);
} else if (this_node->details->unclean) {
pe_proc_warn("Node %s is unclean", this_node->details->uname);
} else if (this_node->details->online) {
crm_info("Node %s is %s", this_node->details->uname,
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("Node %s is offline", this_node->details->uname);
}
}
/*!
* \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 = calloc(base_name_len + 3, sizeof(char));
CRM_ASSERT(zero);
memcpy(zero, last_rsc_id, base_name_len);
zero[base_name_len] = ':';
zero[base_name_len + 1] = '0';
return zero;
}
static pe_resource_t *
create_fake_resource(const char *rsc_id, xmlNode * rsc_entry, pe_working_set_t * data_set)
{
pe_resource_t *rsc = NULL;
xmlNode *xml_rsc = create_xml_node(NULL, XML_CIB_TAG_RESOURCE);
copy_in_properties(xml_rsc, rsc_entry);
crm_xml_add(xml_rsc, XML_ATTR_ID, rsc_id);
crm_log_xml_debug(xml_rsc, "Orphan resource");
if (!common_unpack(xml_rsc, &rsc, NULL, data_set)) {
return NULL;
}
if (xml_contains_remote_node(xml_rsc)) {
pe_node_t *node;
crm_debug("Detected orphaned remote node %s", rsc_id);
node = pe_find_node(data_set->nodes, rsc_id);
if (node == NULL) {
node = pe_create_node(rsc_id, rsc_id, "remote", NULL, data_set);
}
link_rsc2remotenode(data_set, 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, XML_RSC_ATTR_CONTAINER)) {
/* This orphaned rsc needs to be mapped to a container. */
crm_trace("Detected orphaned container filler %s", rsc_id);
set_bit(rsc->flags, pe_rsc_orphan_container_filler);
}
set_bit(rsc->flags, pe_rsc_orphan);
data_set->resources = g_list_append(data_set->resources, rsc);
return rsc;
}
/*!
* \internal
* \brief Create orphan instance for anonymous clone resource history
*/
static pe_resource_t *
create_anonymous_orphan(pe_resource_t *parent, const char *rsc_id,
pe_node_t *node, pe_working_set_t *data_set)
{
pe_resource_t *top = pe__create_clone_child(parent, data_set);
// find_rsc() because we might be a cloned group
pe_resource_t *orphan = top->fns->find_rsc(top, rsc_id, NULL, pe_find_clone);
pe_rsc_debug(parent, "Created orphan %s for %s: %s on %s",
top->id, parent->id, rsc_id, node->details->uname);
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 clone-max instances);
* (3) a newly created orphan (i.e. clone-max instances are already active).
*
* \param[in] data_set Cluster information
* \param[in] node Node on which to check for instance
* \param[in] parent Clone to check
* \param[in] rsc_id Name of cloned resource in history (without instance)
*/
static pe_resource_t *
find_anonymous_clone(pe_working_set_t * data_set, pe_node_t * node, pe_resource_t * parent,
const char *rsc_id)
{
GListPtr rIter = NULL;
pe_resource_t *rsc = NULL;
pe_resource_t *inactive_instance = NULL;
gboolean skip_inactive = FALSE;
CRM_ASSERT(parent != NULL);
CRM_ASSERT(pe_rsc_is_clone(parent));
CRM_ASSERT(is_not_set(parent->flags, pe_rsc_unique));
// Check for active (or partially active, for cloned groups) instance
pe_rsc_trace(parent, "Looking for %s on %s in %s", rsc_id, node->details->uname, parent->id);
for (rIter = parent->children; rsc == NULL && rIter; rIter = rIter->next) {
GListPtr locations = NULL;
pe_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 globally-unique
* was flipped from true to false); and
* (3) when we re-run calculations on the same data set as part of a
* simulation.
*/
child->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 (((pe_node_t *)locations->data)->details == node->details) {
/* 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->fns->find_rsc(child, rsc_id, NULL, pe_find_clone);
if (rsc) {
/* If there are multiple instance history entries for an
* anonymous clone in a single node's history (which can
* happen if 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, node->details->uname);
skip_inactive = TRUE;
rsc = NULL;
} else {
pe_rsc_trace(parent, "Resource %s, active", rsc->id);
}
}
}
g_list_free(locations);
} else {
pe_rsc_trace(parent, "Resource %s, skip inactive", child->id);
if (!skip_inactive && !inactive_instance
&& is_not_set(child->flags, pe_rsc_block)) {
// Remember one inactive instance in case we don't find active
inactive_instance = parent->fns->find_rsc(child, rsc_id, NULL,
pe_find_clone);
/* ... but don't use it if it was already associated with a
* pending action on another node
*/
if (inactive_instance && inactive_instance->pending_node
&& (inactive_instance->pending_node->details != node->details)) {
inactive_instance = NULL;
}
}
}
}
if ((rsc == NULL) && !skip_inactive && (inactive_instance != NULL)) {
pe_rsc_trace(parent, "Resource %s, empty slot", inactive_instance->id);
rsc = inactive_instance;
}
/* If the resource has "requires" set to "quorum" or "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) && is_not_set(rsc->flags, pe_rsc_needs_fencing)
&& (!node->details->online || node->details->unclean)
&& !pe__is_guest_node(node)
&& !pe__is_universal_clone(parent, data_set)) {
rsc = NULL;
}
if (rsc == NULL) {
rsc = create_anonymous_orphan(parent, rsc_id, node, data_set);
pe_rsc_trace(parent, "Resource %s, orphan", rsc->id);
}
return rsc;
}
static pe_resource_t *
unpack_find_resource(pe_working_set_t * data_set, pe_node_t * node, const char *rsc_id,
xmlNode * rsc_entry)
{
pe_resource_t *rsc = NULL;
pe_resource_t *parent = NULL;
crm_trace("looking for %s", rsc_id);
rsc = pe_find_resource(data_set->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 clone-max=0, we create
* a single :0 orphan to match against here.
*/
char *clone0_id = clone_zero(rsc_id);
pe_resource_t *clone0 = pe_find_resource(data_set->resources, clone0_id);
if (clone0 && is_not_set(clone0->flags, pe_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 > pe_native) {
crm_trace("Resource history for %s is orphaned because it is no longer primitive",
rsc_id);
return NULL;
} else {
parent = uber_parent(rsc);
}
if (pe_rsc_is_anon_clone(parent)) {
if (pe_rsc_is_bundled(parent)) {
rsc = pe__find_bundle_replica(parent->parent, node);
} else {
char *base = clone_strip(rsc_id);
rsc = find_anonymous_clone(data_set, node, parent, base);
free(base);
CRM_ASSERT(rsc != NULL);
}
}
if (rsc && safe_str_neq(rsc_id, rsc->id)
&& safe_str_neq(rsc_id, rsc->clone_name)) {
free(rsc->clone_name);
rsc->clone_name = strdup(rsc_id);
pe_rsc_debug(rsc, "Internally renamed %s on %s to %s%s",
rsc_id, node->details->uname, rsc->id,
(is_set(rsc->flags, pe_rsc_orphan)? " (ORPHAN)" : ""));
}
return rsc;
}
static pe_resource_t *
process_orphan_resource(xmlNode * rsc_entry, pe_node_t * node, pe_working_set_t * data_set)
{
pe_resource_t *rsc = NULL;
const char *rsc_id = crm_element_value(rsc_entry, XML_ATTR_ID);
crm_debug("Detected orphan resource %s on %s", rsc_id, node->details->uname);
rsc = create_fake_resource(rsc_id, rsc_entry, data_set);
if (is_set(data_set->flags, pe_flag_stop_rsc_orphans) == FALSE) {
clear_bit(rsc->flags, pe_rsc_managed);
} else {
CRM_CHECK(rsc != NULL, return NULL);
pe_rsc_trace(rsc, "Added orphan %s", rsc->id);
resource_location(rsc, NULL, -INFINITY, "__orphan_do_not_run__", data_set);
}
return rsc;
}
static void
process_rsc_state(pe_resource_t * rsc, pe_node_t * node,
enum action_fail_response on_fail,
xmlNode * migrate_op, pe_working_set_t * data_set)
{
pe_node_t *tmpnode = NULL;
char *reason = NULL;
CRM_ASSERT(rsc);
pe_rsc_trace(rsc, "Resource %s is %s on %s: on_fail=%s",
rsc->id, role2text(rsc->role), node->details->uname, fail2text(on_fail));
/* process current state */
if (rsc->role != RSC_ROLE_UNKNOWN) {
pe_resource_t *iter = rsc;
while (iter) {
if (g_hash_table_lookup(iter->known_on, node->details->id) == NULL) {
pe_node_t *n = pe__copy_node(node);
pe_rsc_trace(rsc, "%s (aka. %s) known on %s", rsc->id, rsc->clone_name,
n->details->uname);
g_hash_table_insert(iter->known_on, (gpointer) n->details->id, n);
}
if (is_set(iter->flags, pe_rsc_unique)) {
break;
}
iter = iter->parent;
}
}
/* If a managed resource is believed to be running, but node is down ... */
if (rsc->role > RSC_ROLE_STOPPED
&& node->details->online == FALSE
&& node->details->maintenance == FALSE
&& is_set(rsc->flags, pe_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 (pe__is_guest_node(node)) {
set_bit(rsc->flags, pe_rsc_failed);
should_fence = TRUE;
} else if (is_set(data_set->flags, pe_flag_stonith_enabled)) {
if (pe__is_remote_node(node) && node->details->remote_rsc
&& is_not_set(node->details->remote_rsc->flags, pe_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(data_set, node, reason, FALSE);
}
free(reason);
}
if (node->details->unclean) {
/* No extra processing needed
* Also allows resources to be started again after a node is shot
*/
on_fail = action_fail_ignore;
}
switch (on_fail) {
case action_fail_ignore:
/* nothing to do */
break;
case action_fail_fence:
/* 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(data_set, node, reason, FALSE);
free(reason);
break;
case action_fail_standby:
node->details->standby = TRUE;
node->details->standby_onfail = TRUE;
break;
case action_fail_block:
/* is_managed == FALSE will prevent any
* actions being sent for the resource
*/
clear_bit(rsc->flags, pe_rsc_managed);
set_bit(rsc->flags, pe_rsc_block);
break;
case action_fail_migrate:
/* make sure it comes up somewhere else
* or not at all
*/
resource_location(rsc, node, -INFINITY, "__action_migration_auto__", data_set);
break;
case action_fail_stop:
rsc->next_role = RSC_ROLE_STOPPED;
break;
case action_fail_recover:
if (rsc->role != RSC_ROLE_STOPPED && rsc->role != RSC_ROLE_UNKNOWN) {
set_bit(rsc->flags, pe_rsc_failed);
stop_action(rsc, node, FALSE);
}
break;
case action_fail_restart_container:
set_bit(rsc->flags, pe_rsc_failed);
if (rsc->container && pe_rsc_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.
*/
data_set->stop_needed = g_list_prepend(data_set->stop_needed,
rsc->container);
} else if (rsc->container) {
stop_action(rsc->container, node, FALSE);
} else if (rsc->role != RSC_ROLE_STOPPED && rsc->role != RSC_ROLE_UNKNOWN) {
stop_action(rsc, node, FALSE);
}
break;
case action_fail_reset_remote:
set_bit(rsc->flags, pe_rsc_failed);
if (is_set(data_set->flags, pe_flag_stonith_enabled)) {
tmpnode = NULL;
if (rsc->is_remote_node) {
tmpnode = pe_find_node(data_set->nodes, rsc->id);
}
if (tmpnode &&
pe__is_remote_node(tmpnode) &&
tmpnode->details->remote_was_fenced == 0) {
/* The remote connection resource failed in a way that
* should result in fencing the remote node.
*/
pe_fence_node(data_set, tmpnode,
"remote connection is unrecoverable", FALSE);
}
}
/* require the stop action regardless if fencing is occurring or not. */
if (rsc->role > RSC_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) {
rsc->next_role = RSC_ROLE_STOPPED;
}
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 (is_set(rsc->flags, pe_rsc_failed) && rsc->is_remote_node) {
tmpnode = pe_find_node(data_set->nodes, rsc->id);
if (tmpnode && tmpnode->details->unclean) {
tmpnode->details->unseen = FALSE;
}
}
if (rsc->role != RSC_ROLE_STOPPED && rsc->role != RSC_ROLE_UNKNOWN) {
if (is_set(rsc->flags, pe_rsc_orphan)) {
if (is_set(rsc->flags, pe_rsc_managed)) {
pcmk__config_warn("Detected active orphan %s running on %s",
rsc->id, node->details->uname);
} else {
pcmk__config_warn("Resource '%s' must be stopped manually on "
"%s because cluster is configured not to "
"stop active orphans",
rsc->id, node->details->uname);
}
}
native_add_running(rsc, node, data_set);
if (on_fail != action_fail_ignore) {
set_bit(rsc->flags, pe_rsc_failed);
}
} else if (rsc->clone_name && strchr(rsc->clone_name, ':') != NULL) {
/* Only do this for older status sections that included instance numbers
* Otherwise stopped instances will appear as orphans
*/
pe_rsc_trace(rsc, "Resetting clone_name %s for %s (stopped)", rsc->clone_name, rsc->id);
free(rsc->clone_name);
rsc->clone_name = NULL;
} else {
GList *possible_matches = pe__resource_actions(rsc, node, RSC_STOP,
FALSE);
GListPtr gIter = possible_matches;
for (; gIter != NULL; gIter = gIter->next) {
pe_action_t *stop = (pe_action_t *) gIter->data;
stop->flags |= pe_action_optional;
}
g_list_free(possible_matches);
}
}
/* create active recurring operations as optional */
static void
process_recurring(pe_node_t * node, pe_resource_t * rsc,
int start_index, int stop_index,
GListPtr sorted_op_list, pe_working_set_t * data_set)
{
int counter = -1;
const char *task = NULL;
const char *status = NULL;
GListPtr gIter = sorted_op_list;
CRM_ASSERT(rsc);
pe_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 = ID(rsc_op);
counter++;
if (node->details->online == FALSE) {
pe_rsc_trace(rsc, "Skipping %s/%s: node is offline", rsc->id, node->details->uname);
break;
/* Need to check if there's a monitor for role="Stopped" */
} else if (start_index < stop_index && counter <= stop_index) {
pe_rsc_trace(rsc, "Skipping %s/%s: resource is not active", id, node->details->uname);
continue;
} else if (counter < start_index) {
pe_rsc_trace(rsc, "Skipping %s/%s: old %d", id, node->details->uname, counter);
continue;
}
crm_element_value_ms(rsc_op, XML_LRM_ATTR_INTERVAL_MS, &interval_ms);
if (interval_ms == 0) {
pe_rsc_trace(rsc, "Skipping %s/%s: non-recurring", id, node->details->uname);
continue;
}
status = crm_element_value(rsc_op, XML_LRM_ATTR_OPSTATUS);
if (safe_str_eq(status, "-1")) {
pe_rsc_trace(rsc, "Skipping %s/%s: status", id, node->details->uname);
continue;
}
task = crm_element_value(rsc_op, XML_LRM_ATTR_TASK);
/* create the action */
key = pcmk__op_key(rsc->id, task, interval_ms);
pe_rsc_trace(rsc, "Creating %s/%s", key, node->details->uname);
custom_action(rsc, key, task, node, TRUE, TRUE, data_set);
}
}
void
calculate_active_ops(GListPtr 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;
GListPtr gIter = sorted_op_list;
*stop_index = -1;
*start_index = -1;
for (; gIter != NULL; gIter = gIter->next) {
xmlNode *rsc_op = (xmlNode *) gIter->data;
counter++;
task = crm_element_value(rsc_op, XML_LRM_ATTR_TASK);
status = crm_element_value(rsc_op, XML_LRM_ATTR_OPSTATUS);
if (safe_str_eq(task, CRMD_ACTION_STOP)
&& safe_str_eq(status, "0")) {
*stop_index = counter;
} else if (safe_str_eq(task, CRMD_ACTION_START) || safe_str_eq(task, CRMD_ACTION_MIGRATED)) {
*start_index = counter;
} else if ((implied_monitor_start <= *stop_index) && safe_str_eq(task, CRMD_ACTION_STATUS)) {
const char *rc = crm_element_value(rsc_op, XML_LRM_ATTR_RC);
if (safe_str_eq(rc, "0") || safe_str_eq(rc, "8")) {
implied_monitor_start = counter;
}
} else if (safe_str_eq(task, CRMD_ACTION_PROMOTE) || safe_str_eq(task, CRMD_ACTION_DEMOTE)) {
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(xmlNode *rsc_entry, pe_resource_t *rsc, pe_node_t *node,
pe_working_set_t *data_set)
{
time_t lock_time = 0; // When lock started (i.e. node shutdown time)
if ((crm_element_value_epoch(rsc_entry, XML_CONFIG_ATTR_SHUTDOWN_LOCK,
&lock_time) == pcmk_ok) && (lock_time != 0)) {
if ((data_set->shutdown_lock > 0)
&& (get_effective_time(data_set)
> (lock_time + data_set->shutdown_lock))) {
pe_rsc_info(rsc, "Shutdown lock for %s on %s expired",
rsc->id, node->details->uname);
pe__clear_resource_history(rsc, node, data_set);
} else {
rsc->lock_node = node;
rsc->lock_time = lock_time;
}
}
}
static pe_resource_t *
unpack_lrm_rsc_state(pe_node_t * node, xmlNode * rsc_entry, pe_working_set_t * data_set)
{
GListPtr gIter = NULL;
int stop_index = -1;
int start_index = -1;
enum rsc_role_e req_role = RSC_ROLE_UNKNOWN;
const char *task = NULL;
const char *rsc_id = crm_element_value(rsc_entry, XML_ATTR_ID);
pe_resource_t *rsc = NULL;
GListPtr op_list = NULL;
GListPtr sorted_op_list = NULL;
xmlNode *migrate_op = NULL;
xmlNode *rsc_op = NULL;
xmlNode *last_failure = NULL;
enum action_fail_response on_fail = FALSE;
enum rsc_role_e saved_role = RSC_ROLE_UNKNOWN;
crm_trace("[%s] Processing %s on %s",
crm_element_name(rsc_entry), rsc_id, node->details->uname);
/* extract operations */
op_list = NULL;
sorted_op_list = NULL;
for (rsc_op = __xml_first_child_element(rsc_entry); rsc_op != NULL;
rsc_op = __xml_next_element(rsc_op)) {
if (crm_str_eq((const char *)rsc_op->name, XML_LRM_TAG_RSC_OP, TRUE)) {
op_list = g_list_prepend(op_list, rsc_op);
}
}
if (is_not_set(data_set->flags, pe_flag_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(data_set, node, rsc_id, rsc_entry);
if (rsc == NULL) {
if (op_list == NULL) {
// If there are no operations, there is nothing to do
return NULL;
} else {
rsc = process_orphan_resource(rsc_entry, node, data_set);
}
}
CRM_ASSERT(rsc != NULL);
// Check whether the resource is "shutdown-locked" to this node
if (is_set(data_set->flags, pe_flag_shutdown_lock)) {
unpack_shutdown_lock(rsc_entry, rsc, node, data_set);
}
/* process operations */
saved_role = rsc->role;
on_fail = action_fail_ignore;
rsc->role = RSC_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;
task = crm_element_value(rsc_op, XML_LRM_ATTR_TASK);
if (safe_str_eq(task, CRMD_ACTION_MIGRATED)) {
migrate_op = rsc_op;
}
unpack_rsc_op(rsc, node, rsc_op, &last_failure, &on_fail, data_set);
}
/* 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, data_set);
/* no need to free the contents */
g_list_free(sorted_op_list);
process_rsc_state(rsc, node, on_fail, migrate_op, data_set);
if (get_target_role(rsc, &req_role)) {
if (rsc->next_role == RSC_ROLE_UNKNOWN || req_role < rsc->next_role) {
pe_rsc_debug(rsc, "%s: Overwriting calculated next role %s"
" with requested next role %s",
rsc->id, role2text(rsc->next_role), role2text(req_role));
rsc->next_role = req_role;
} else if (req_role > rsc->next_role) {
pe_rsc_info(rsc, "%s: Not overwriting calculated next role %s"
" with requested next role %s",
rsc->id, role2text(rsc->next_role), role2text(req_role));
}
}
if (saved_role > rsc->role) {
rsc->role = saved_role;
}
return rsc;
}
static void
handle_orphaned_container_fillers(xmlNode * lrm_rsc_list, pe_working_set_t * data_set)
{
xmlNode *rsc_entry = NULL;
for (rsc_entry = __xml_first_child_element(lrm_rsc_list); rsc_entry != NULL;
rsc_entry = __xml_next_element(rsc_entry)) {
pe_resource_t *rsc;
pe_resource_t *container;
const char *rsc_id;
const char *container_id;
if (safe_str_neq((const char *)rsc_entry->name, XML_LRM_TAG_RESOURCE)) {
continue;
}
container_id = crm_element_value(rsc_entry, XML_RSC_ATTR_CONTAINER);
rsc_id = crm_element_value(rsc_entry, XML_ATTR_ID);
if (container_id == NULL || rsc_id == NULL) {
continue;
}
container = pe_find_resource(data_set->resources, container_id);
if (container == NULL) {
continue;
}
rsc = pe_find_resource(data_set->resources, rsc_id);
if (rsc == NULL ||
is_set(rsc->flags, pe_rsc_orphan_container_filler) == FALSE ||
rsc->container != NULL) {
continue;
}
pe_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);
}
}
static void
unpack_lrm_resources(pe_node_t *node, xmlNode *lrm_rsc_list,
pe_working_set_t *data_set)
{
xmlNode *rsc_entry = NULL;
gboolean found_orphaned_container_filler = FALSE;
for (rsc_entry = __xml_first_child_element(lrm_rsc_list); rsc_entry != NULL;
rsc_entry = __xml_next_element(rsc_entry)) {
if (crm_str_eq((const char *)rsc_entry->name, XML_LRM_TAG_RESOURCE, TRUE)) {
pe_resource_t *rsc = unpack_lrm_rsc_state(node, rsc_entry, data_set);
if (!rsc) {
continue;
}
if (is_set(rsc->flags, pe_rsc_orphan_container_filler)) {
found_orphaned_container_filler = TRUE;
}
}
}
/* now that all the resource state has been unpacked for this node
* we have to go back and map any orphaned container fillers to their
* container resource */
if (found_orphaned_container_filler) {
handle_orphaned_container_fillers(lrm_rsc_list, data_set);
}
}
static void
set_active(pe_resource_t * rsc)
{
pe_resource_t *top = uber_parent(rsc);
if (top && is_set(top->flags, pe_rsc_promotable)) {
rsc->role = RSC_ROLE_SLAVE;
} else {
rsc->role = RSC_ROLE_STARTED;
}
}
static void
set_node_score(gpointer key, gpointer value, gpointer user_data)
{
pe_node_t *node = value;
int *score = user_data;
node->weight = *score;
}
#define STATUS_PATH_MAX 1024
static xmlNode *
find_lrm_op(const char *resource, const char *op, const char *node, const char *source,
bool success_only, pe_working_set_t *data_set)
{
int offset = 0;
char xpath[STATUS_PATH_MAX];
xmlNode *xml = NULL;
offset += snprintf(xpath + offset, STATUS_PATH_MAX - offset, "//node_state[@uname='%s']", node);
offset +=
snprintf(xpath + offset, STATUS_PATH_MAX - offset, "//" XML_LRM_TAG_RESOURCE "[@id='%s']",
resource);
/* Need to check against transition_magic too? */
if (source && safe_str_eq(op, CRMD_ACTION_MIGRATE)) {
offset +=
snprintf(xpath + offset, STATUS_PATH_MAX - offset,
"/" XML_LRM_TAG_RSC_OP "[@operation='%s' and @migrate_target='%s']", op,
source);
} else if (source && safe_str_eq(op, CRMD_ACTION_MIGRATED)) {
offset +=
snprintf(xpath + offset, STATUS_PATH_MAX - offset,
"/" XML_LRM_TAG_RSC_OP "[@operation='%s' and @migrate_source='%s']", op,
source);
} else {
offset +=
snprintf(xpath + offset, STATUS_PATH_MAX - offset,
"/" XML_LRM_TAG_RSC_OP "[@operation='%s']", op);
}
CRM_LOG_ASSERT(offset > 0);
xml = get_xpath_object(xpath, data_set->input, LOG_DEBUG);
if (xml && success_only) {
int rc = PCMK_OCF_UNKNOWN_ERROR;
int status = PCMK_LRM_OP_ERROR;
crm_element_value_int(xml, XML_LRM_ATTR_RC, &rc);
crm_element_value_int(xml, XML_LRM_ATTR_OPSTATUS, &status);
if ((rc != PCMK_OCF_OK) || (status != PCMK_LRM_OP_DONE)) {
return NULL;
}
}
return xml;
}
static int
pe__call_id(xmlNode *op_xml)
{
int id = 0;
if (op_xml) {
crm_element_value_int(op_xml, XML_LRM_ATTR_CALLID, &id);
}
return id;
}
/*!
* \brief Check whether a stop happened on the same node after some event
*
* \param[in] rsc Resource being checked
* \param[in] node Node being checked
* \param[in] xml_op Event that stop is being compared to
* \param[in] data_set Cluster working set
*
* \return TRUE if stop happened after event, FALSE otherwise
*
* \note This is really unnecessary, but kept as a safety mechanism. We
* currently don't save more than one successful event in history, so this
* only matters when processing really old CIB files that we don't
* technically support anymore, or as preparation for logging an extended
* history in the future.
*/
static bool
stop_happened_after(pe_resource_t *rsc, pe_node_t *node, xmlNode *xml_op,
pe_working_set_t *data_set)
{
xmlNode *stop_op = find_lrm_op(rsc->id, CRMD_ACTION_STOP,
node->details->uname, NULL, TRUE, data_set);
return (stop_op && (pe__call_id(stop_op) > pe__call_id(xml_op)));
}
static void
unpack_migrate_to_success(pe_resource_t *rsc, pe_node_t *node, xmlNode *xml_op,
pe_working_set_t *data_set)
{
/* A successful migration sequence is:
* migrate_to on source node
* migrate_from on target node
* stop on source node
*
* If a migrate_to is followed by a stop, the entire migration (successful
* or failed) is complete, and we don't care what happened on the target.
*
* If no migrate_from has happened, the migration is considered to be
* "partial". If the migrate_from failed, make sure the resource gets
* stopped on both source and target (if up).
*
* If the migrate_to and migrate_from both succeeded (which also implies the
* resource is no longer running on the source), but there is no stop, the
* migration is considered to be "dangling". Schedule a stop on the source
* in this case.
*/
int from_rc = 0;
int from_status = 0;
pe_node_t *target_node = NULL;
pe_node_t *source_node = NULL;
xmlNode *migrate_from = NULL;
const char *source = crm_element_value(xml_op, XML_LRM_ATTR_MIGRATE_SOURCE);
const char *target = crm_element_value(xml_op, XML_LRM_ATTR_MIGRATE_TARGET);
// Sanity check
CRM_CHECK(source && target && !strcmp(source, node->details->uname), return);
if (stop_happened_after(rsc, node, xml_op, data_set)) {
return;
}
// Clones are not allowed to migrate, so role can't be master
rsc->role = RSC_ROLE_STARTED;
target_node = pe_find_node(data_set->nodes, target);
source_node = pe_find_node(data_set->nodes, source);
// Check whether there was a migrate_from action on the target
migrate_from = find_lrm_op(rsc->id, CRMD_ACTION_MIGRATED, target,
source, FALSE, data_set);
if (migrate_from) {
crm_element_value_int(migrate_from, XML_LRM_ATTR_RC, &from_rc);
crm_element_value_int(migrate_from, XML_LRM_ATTR_OPSTATUS, &from_status);
pe_rsc_trace(rsc, "%s op on %s exited with status=%d, rc=%d",
ID(migrate_from), target, from_status, from_rc);
}
if (migrate_from && from_rc == PCMK_OCF_OK
&& from_status == PCMK_LRM_OP_DONE) {
/* The migrate_to and migrate_from both succeeded, so mark the migration
* as "dangling". This will be used to schedule a stop action on the
* source without affecting the target.
*/
pe_rsc_trace(rsc, "Detected dangling migration op: %s on %s", ID(xml_op),
source);
rsc->role = RSC_ROLE_STOPPED;
rsc->dangling_migrations = g_list_prepend(rsc->dangling_migrations, node);
} else if (migrate_from && (from_status != PCMK_LRM_OP_PENDING)) { // Failed
if (target_node && target_node->details->online) {
pe_rsc_trace(rsc, "Marking active on %s %p %d", target, target_node,
target_node->details->online);
native_add_running(rsc, target_node, data_set);
}
} else { // Pending, or complete but erased
if (target_node && target_node->details->online) {
pe_rsc_trace(rsc, "Marking active on %s %p %d", target, target_node,
target_node->details->online);
native_add_running(rsc, target_node, data_set);
if (source_node && 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.
*/
rsc->partial_migration_target = target_node;
rsc->partial_migration_source = source_node;
}
} else {
/* Consider it failed here - forces a restart, prevents migration */
set_bit(rsc->flags, pe_rsc_failed);
clear_bit(rsc->flags, pe_rsc_allow_migrate);
}
}
}
static void
unpack_migrate_to_failure(pe_resource_t *rsc, pe_node_t *node, xmlNode *xml_op,
pe_working_set_t *data_set)
{
int target_stop_id = 0;
int target_migrate_from_id = 0;
xmlNode *target_stop = NULL;
xmlNode *target_migrate_from = NULL;
const char *source = crm_element_value(xml_op, XML_LRM_ATTR_MIGRATE_SOURCE);
const char *target = crm_element_value(xml_op, XML_LRM_ATTR_MIGRATE_TARGET);
// Sanity check
CRM_CHECK(source && target && !strcmp(source, node->details->uname), return);
/* If a migration failed, we have to assume the resource is active. Clones
* are not allowed to migrate, so role can't be master.
*/
rsc->role = RSC_ROLE_STARTED;
// Check for stop on the target
target_stop = find_lrm_op(rsc->id, CRMD_ACTION_STOP, target, NULL,
TRUE, data_set);
target_stop_id = pe__call_id(target_stop);
// Check for migrate_from on the target
target_migrate_from = find_lrm_op(rsc->id, CRMD_ACTION_MIGRATED, target,
source, TRUE, data_set);
target_migrate_from_id = pe__call_id(target_migrate_from);
if ((target_stop == NULL) || (target_stop_id < target_migrate_from_id)) {
/* There was no stop on the source, or a stop that happened before a
* migrate_from, so assume the resource is still active on the target
* (if it is up).
*/
pe_node_t *target_node = pe_find_node(data_set->nodes, target);
pe_rsc_trace(rsc, "stop (%d) + migrate_from (%d)",
target_stop_id, target_migrate_from_id);
if (target_node && target_node->details->online) {
native_add_running(rsc, target_node, data_set);
}
} else if (target_migrate_from == NULL) {
/* We know there was a stop on the target, but there may not have been a
* migrate_from (the stop could have happened before migrate_from was
* scheduled or attempted).
*
* That means this could be a "dangling" migration. But first, check
* whether there is a newer migrate_from or start on the source node --
* it's possible the failed migration was followed by a successful
* full restart or migration in the reverse direction, in which case we
* don't want to force it to stop.
*/
xmlNode *source_migrate_from = NULL;
xmlNode *source_start = NULL;
int source_migrate_to_id = pe__call_id(xml_op);
source_migrate_from = find_lrm_op(rsc->id, CRMD_ACTION_MIGRATED, source,
NULL, TRUE, data_set);
if (pe__call_id(source_migrate_from) > source_migrate_to_id) {
return;
}
source_start = find_lrm_op(rsc->id, CRMD_ACTION_START, source, NULL,
TRUE, data_set);
if (pe__call_id(source_start) > source_migrate_to_id) {
return;
}
// Mark node as having dangling migration so we can force a stop later
rsc->dangling_migrations = g_list_prepend(rsc->dangling_migrations, node);
}
}
static void
unpack_migrate_from_failure(pe_resource_t *rsc, pe_node_t *node,
xmlNode *xml_op, pe_working_set_t *data_set)
{
xmlNode *source_stop = NULL;
xmlNode *source_migrate_to = NULL;
const char *source = crm_element_value(xml_op, XML_LRM_ATTR_MIGRATE_SOURCE);
const char *target = crm_element_value(xml_op, XML_LRM_ATTR_MIGRATE_TARGET);
// Sanity check
CRM_CHECK(source && target && !strcmp(target, node->details->uname), return);
/* If a migration failed, we have to assume the resource is active. Clones
* are not allowed to migrate, so role can't be master.
*/
rsc->role = RSC_ROLE_STARTED;
// Check for a stop on the source
source_stop = find_lrm_op(rsc->id, CRMD_ACTION_STOP, source, NULL,
TRUE, data_set);
// Check for a migrate_to on the source
source_migrate_to = find_lrm_op(rsc->id, CRMD_ACTION_MIGRATE,
source, target, TRUE, data_set);
if ((source_stop == NULL)
|| (pe__call_id(source_stop) < pe__call_id(source_migrate_to))) {
/* There was no stop on the source, or a stop that happened before
* migrate_to, so assume the resource is still active on the source (if
* it is up).
*/
pe_node_t *source_node = pe_find_node(data_set->nodes, source);
if (source_node && source_node->details->online) {
native_add_running(rsc, source_node, data_set);
}
}
}
static void
record_failed_op(xmlNode *op, const pe_node_t *node,
const pe_resource_t *rsc, pe_working_set_t *data_set)
{
xmlNode *xIter = NULL;
const char *op_key = crm_element_value(op, XML_LRM_ATTR_TASK_KEY);
if (node->details->online == FALSE) {
return;
}
for (xIter = data_set->failed->children; xIter; xIter = xIter->next) {
const char *key = crm_element_value(xIter, XML_LRM_ATTR_TASK_KEY);
const char *uname = crm_element_value(xIter, XML_ATTR_UNAME);
if(safe_str_eq(op_key, key) && safe_str_eq(uname, node->details->uname)) {
crm_trace("Skipping duplicate entry %s on %s", op_key, node->details->uname);
return;
}
}
crm_trace("Adding entry %s on %s", op_key, node->details->uname);
crm_xml_add(op, XML_ATTR_UNAME, node->details->uname);
crm_xml_add(op, XML_LRM_ATTR_RSCID, rsc->id);
add_node_copy(data_set->failed, op);
}
static const char *get_op_key(xmlNode *xml_op)
{
const char *key = crm_element_value(xml_op, XML_LRM_ATTR_TASK_KEY);
if(key == NULL) {
key = ID(xml_op);
}
return key;
}
static const char *
last_change_str(xmlNode *xml_op)
{
time_t when;
const char *when_s = NULL;
if (crm_element_value_epoch(xml_op, XML_RSC_OP_LAST_CHANGE,
&when) == pcmk_ok) {
when_s = pcmk__epoch2str(&when);
if (when_s) {
// Skip day of week to make message shorter
when_s = strchr(when_s, ' ');
if (when_s) {
++when_s;
}
}
}
return ((when_s && *when_s)? when_s : "unknown time");
}
static void
unpack_rsc_op_failure(pe_resource_t * rsc, pe_node_t * node, int rc, xmlNode * xml_op, xmlNode ** last_failure,
enum action_fail_response * on_fail, pe_working_set_t * data_set)
{
guint interval_ms = 0;
bool is_probe = false;
pe_action_t *action = NULL;
const char *key = get_op_key(xml_op);
const char *task = crm_element_value(xml_op, XML_LRM_ATTR_TASK);
const char *exit_reason = crm_element_value(xml_op,
XML_LRM_ATTR_EXIT_REASON);
CRM_ASSERT(rsc);
CRM_CHECK(task != NULL, return);
*last_failure = xml_op;
crm_element_value_ms(xml_op, XML_LRM_ATTR_INTERVAL_MS, &interval_ms);
if ((interval_ms == 0) && !strcmp(task, CRMD_ACTION_STATUS)) {
is_probe = true;
}
if (exit_reason == NULL) {
exit_reason = "";
}
if (is_not_set(data_set->flags, pe_flag_symmetric_cluster)
&& (rc == PCMK_OCF_NOT_INSTALLED)) {
crm_trace("Unexpected result (%s%s%s) was recorded for "
"%s of %s on %s at %s " CRM_XS " rc=%d id=%s",
services_ocf_exitcode_str(rc),
(*exit_reason? ": " : ""), exit_reason,
(is_probe? "probe" : task), rsc->id, node->details->uname,
last_change_str(xml_op), rc, ID(xml_op));
} else {
crm_warn("Unexpected result (%s%s%s) was recorded for "
"%s of %s on %s at %s " CRM_XS " rc=%d id=%s",
services_ocf_exitcode_str(rc),
(*exit_reason? ": " : ""), exit_reason,
(is_probe? "probe" : task), rsc->id, node->details->uname,
last_change_str(xml_op), rc, ID(xml_op));
if (is_probe && (rc != PCMK_OCF_OK)
&& (rc != PCMK_OCF_NOT_RUNNING)
&& (rc != PCMK_OCF_RUNNING_MASTER)) {
/* 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 resource-discovery option for location constraints",
rsc->id, node->details->uname);
}
record_failed_op(xml_op, node, rsc, data_set);
}
action = custom_action(rsc, strdup(key), task, NULL, TRUE, FALSE, data_set);
if ((action->on_fail <= action_fail_fence && *on_fail < action->on_fail) ||
(action->on_fail == action_fail_reset_remote && *on_fail <= action_fail_recover) ||
(action->on_fail == action_fail_restart_container && *on_fail <= action_fail_recover) ||
(*on_fail == action_fail_restart_container && action->on_fail >= action_fail_migrate)) {
pe_rsc_trace(rsc, "on-fail %s -> %s for %s (%s)", fail2text(*on_fail),
fail2text(action->on_fail), action->uuid, key);
*on_fail = action->on_fail;
}
if (!strcmp(task, CRMD_ACTION_STOP)) {
resource_location(rsc, node, -INFINITY, "__stop_fail__", data_set);
} else if (!strcmp(task, CRMD_ACTION_MIGRATE)) {
unpack_migrate_to_failure(rsc, node, xml_op, data_set);
} else if (!strcmp(task, CRMD_ACTION_MIGRATED)) {
unpack_migrate_from_failure(rsc, node, xml_op, data_set);
} else if (!strcmp(task, CRMD_ACTION_PROMOTE)) {
rsc->role = RSC_ROLE_MASTER;
} else if (!strcmp(task, CRMD_ACTION_DEMOTE)) {
if (action->on_fail == action_fail_block) {
rsc->role = RSC_ROLE_MASTER;
rsc->next_role = RSC_ROLE_STOPPED;
} else if(rc == PCMK_OCF_NOT_RUNNING) {
rsc->role = RSC_ROLE_STOPPED;
} else {
/* Staying in master role would put the scheduler and controller
* into a loop. Setting slave role is not dangerous because the
* resource will be stopped as part of recovery, and any master
* promotion will be ordered after that stop.
*/
rsc->role = RSC_ROLE_SLAVE;
}
}
if(is_probe && rc == PCMK_OCF_NOT_INSTALLED) {
/* leave stopped */
pe_rsc_trace(rsc, "Leaving %s stopped", rsc->id);
rsc->role = RSC_ROLE_STOPPED;
} else if (rsc->role < RSC_ROLE_STARTED) {
pe_rsc_trace(rsc, "Setting %s active", rsc->id);
set_active(rsc);
}
pe_rsc_trace(rsc, "Resource %s: role=%s, unclean=%s, on_fail=%s, fail_role=%s",
rsc->id, role2text(rsc->role),
node->details->unclean ? "true" : "false",
fail2text(action->on_fail), role2text(action->fail_role));
if (action->fail_role != RSC_ROLE_STARTED && rsc->next_role < action->fail_role) {
rsc->next_role = action->fail_role;
}
if (action->fail_role == RSC_ROLE_STOPPED) {
int score = -INFINITY;
pe_resource_t *fail_rsc = rsc;
if (fail_rsc->parent) {
pe_resource_t *parent = uber_parent(fail_rsc);
if (pe_rsc_is_clone(parent)
&& is_not_set(parent->flags, pe_rsc_unique)) {
/* For clone resources, if a child fails on an operation
* with on-fail = stop, all the resources fail. Do this by preventing
* the parent from coming up again. */
fail_rsc = parent;
}
}
crm_notice("%s will not be started under current conditions",
fail_rsc->id);
/* make sure it doesn't come up again */
if (fail_rsc->allowed_nodes != NULL) {
g_hash_table_destroy(fail_rsc->allowed_nodes);
}
fail_rsc->allowed_nodes = pe__node_list2table(data_set->nodes);
g_hash_table_foreach(fail_rsc->allowed_nodes, set_node_score, &score);
}
pe_free_action(action);
}
/*!
* \internal
* \brief Remap operation status based on action result
*
* Given an action result, determine an appropriate operation 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] rsc Resource that operation history entry is for
* \param[in] rc Actual return code of operation
* \param[in] target_rc Expected return code of operation
* \param[in] node Node where operation was executed
* \param[in] xml_op Operation history entry XML from CIB status
* \param[in,out] on_fail What should be done about the result
* \param[in] data_set Current cluster working set
*
* \return Operation status based on return code and action info
* \note This may update the resource's current and next role.
*/
static int
determine_op_status(
pe_resource_t *rsc, int rc, int target_rc, pe_node_t * node, xmlNode * xml_op, enum action_fail_response * on_fail, pe_working_set_t * data_set)
{
guint interval_ms = 0;
bool is_probe = false;
int result = PCMK_LRM_OP_DONE;
const char *key = get_op_key(xml_op);
const char *task = crm_element_value(xml_op, XML_LRM_ATTR_TASK);
const char *exit_reason = crm_element_value(xml_op,
XML_LRM_ATTR_EXIT_REASON);
CRM_ASSERT(rsc);
CRM_CHECK(task != NULL, return PCMK_LRM_OP_ERROR);
if (exit_reason == NULL) {
exit_reason = "";
}
crm_element_value_ms(xml_op, XML_LRM_ATTR_INTERVAL_MS, &interval_ms);
if ((interval_ms == 0) && !strcmp(task, CRMD_ACTION_STATUS)) {
is_probe = true;
task = "probe";
}
if (target_rc < 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
* target_rc 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.
*/
result = PCMK_LRM_OP_ERROR;
crm_warn("Expected result not found for %s on %s (corrupt or obsolete CIB?)",
key, node->details->uname);
} else if (target_rc != rc) {
result = PCMK_LRM_OP_ERROR;
pe_rsc_debug(rsc, "%s on %s: expected %d (%s), got %d (%s%s%s)",
key, node->details->uname,
target_rc, services_ocf_exitcode_str(target_rc),
rc, services_ocf_exitcode_str(rc),
(*exit_reason? ": " : ""), exit_reason);
}
switch (rc) {
case PCMK_OCF_OK:
if (is_probe && (target_rc == PCMK_OCF_NOT_RUNNING)) {
result = PCMK_LRM_OP_DONE;
pe_rsc_info(rsc, "Probe found %s active on %s at %s",
rsc->id, node->details->uname,
last_change_str(xml_op));
}
break;
case PCMK_OCF_NOT_RUNNING:
if (is_probe || target_rc == rc || is_not_set(rsc->flags, pe_rsc_managed)) {
result = PCMK_LRM_OP_DONE;
rsc->role = RSC_ROLE_STOPPED;
/* clear any previous failure actions */
*on_fail = action_fail_ignore;
rsc->next_role = RSC_ROLE_UNKNOWN;
}
break;
case PCMK_OCF_RUNNING_MASTER:
if (is_probe && (rc != target_rc)) {
result = PCMK_LRM_OP_DONE;
pe_rsc_info(rsc,
"Probe found %s active and promoted on %s at %s",
rsc->id, node->details->uname,
last_change_str(xml_op));
}
rsc->role = RSC_ROLE_MASTER;
break;
case PCMK_OCF_DEGRADED_MASTER:
case PCMK_OCF_FAILED_MASTER:
rsc->role = RSC_ROLE_MASTER;
result = PCMK_LRM_OP_ERROR;
break;
case PCMK_OCF_NOT_CONFIGURED:
result = PCMK_LRM_OP_ERROR_FATAL;
break;
case PCMK_OCF_UNIMPLEMENT_FEATURE:
if (interval_ms > 0) {
result = PCMK_LRM_OP_NOTSUPPORTED;
break;
}
// fall through
case PCMK_OCF_NOT_INSTALLED:
case PCMK_OCF_INVALID_PARAM:
case PCMK_OCF_INSUFFICIENT_PRIV:
if (!pe_can_fence(data_set, node)
&& !strcmp(task, CRMD_ACTION_STOP)) {
/* If a stop fails and we can't fence, there's nothing else we can do */
pe_proc_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", rsc->id, task,
node->details->uname, services_ocf_exitcode_str(rc),
(*exit_reason? ": " : ""), exit_reason,
last_change_str(xml_op), rc, ID(xml_op));
clear_bit(rsc->flags, pe_rsc_managed);
set_bit(rsc->flags, pe_rsc_block);
}
result = PCMK_LRM_OP_ERROR_HARD;
break;
default:
if (result == PCMK_LRM_OP_DONE) {
crm_info("Treating unknown exit status %d from %s of %s "
"on %s at %s as failure",
rc, task, rsc->id, node->details->uname,
last_change_str(xml_op));
result = PCMK_LRM_OP_ERROR;
}
break;
}
return result;
}
// return TRUE if start or monitor last failure but parameters changed
static bool
should_clear_for_param_change(xmlNode *xml_op, const char *task,
pe_resource_t *rsc, pe_node_t *node,
pe_working_set_t *data_set)
{
if (!strcmp(task, "start") || !strcmp(task, "monitor")) {
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, pe_check_last_failure,
data_set);
} else {
op_digest_cache_t *digest_data = NULL;
digest_data = rsc_action_digest_cmp(rsc, xml_op, node, data_set);
switch (digest_data->rc) {
case RSC_DIGEST_UNKNOWN:
crm_trace("Resource %s history entry %s on %s"
" has no digest to compare",
rsc->id, get_op_key(xml_op), node->details->id);
break;
case RSC_DIGEST_MATCH:
break;
default:
return TRUE;
}
}
}
return FALSE;
}
// Order action after fencing of remote node, given connection rsc
static void
order_after_remote_fencing(pe_action_t *action, pe_resource_t *remote_conn,
pe_working_set_t *data_set)
{
pe_node_t *remote_node = pe_find_node(data_set->nodes, remote_conn->id);
if (remote_node) {
pe_action_t *fence = pe_fence_op(remote_node, NULL, TRUE, NULL,
FALSE, data_set);
order_actions(fence, action, pe_order_implies_then);
}
}
static bool
should_ignore_failure_timeout(pe_resource_t *rsc, xmlNode *xml_op,
const char *task, guint interval_ms,
bool is_last_failure, pe_working_set_t *data_set)
{
/* 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
&& is_set(data_set->flags, pe_flag_stonith_enabled)
&& (interval_ms != 0) && safe_str_eq(task, CRMD_ACTION_STATUS)) {
pe_node_t *remote_node = pe_find_node(data_set->nodes, 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] rsc Resource that operation happened to
* \param[in] node Node that operation happened on
* \param[in] rc Actual result of operation
* \param[in] xml_op Operation history entry XML
* \param[in] data_set Current working set
*
* \return TRUE if operation history entry is expired, FALSE otherwise
*/
static bool
check_operation_expiry(pe_resource_t *rsc, pe_node_t *node, int rc,
xmlNode *xml_op, pe_working_set_t *data_set)
{
bool expired = FALSE;
bool is_last_failure = pcmk__ends_with(ID(xml_op), "_last_failure_0");
time_t last_run = 0;
guint interval_ms = 0;
int unexpired_fail_count = 0;
const char *task = crm_element_value(xml_op, XML_LRM_ATTR_TASK);
const char *clear_reason = NULL;
crm_element_value_ms(xml_op, XML_LRM_ATTR_INTERVAL_MS, &interval_ms);
if ((rsc->failure_timeout > 0)
&& (crm_element_value_epoch(xml_op, XML_RSC_OP_LAST_CHANGE,
&last_run) == 0)) {
// Resource has a failure-timeout, and history entry has a timestamp
time_t now = get_effective_time(data_set);
time_t last_failure = 0;
// Is this particular operation history older than the failure timeout?
if ((now >= (last_run + rsc->failure_timeout))
&& !should_ignore_failure_timeout(rsc, xml_op, task, interval_ms,
is_last_failure, data_set)) {
expired = TRUE;
}
// Does the resource as a whole have an unexpired fail count?
unexpired_fail_count = pe_get_failcount(node, rsc, &last_failure,
pe_fc_effective, xml_op,
data_set);
// Update scheduler recheck time according to *last* failure
crm_trace("%s@%lld is %sexpired @%lld with unexpired_failures=%d timeout=%ds"
" last-failure@%lld",
ID(xml_op), (long long) last_run, (expired? "" : "not "),
(long long) now, unexpired_fail_count, rsc->failure_timeout,
(long long) last_failure);
last_failure += rsc->failure_timeout + 1;
if (unexpired_fail_count && (now < last_failure)) {
pe__update_recheck_time(last_failure, data_set);
}
}
if (expired) {
if (pe_get_failcount(node, rsc, NULL, pe_fc_default, xml_op, data_set)) {
// 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.
*/
expired = FALSE;
}
} else if (is_last_failure && rsc->remote_reconnect_ms) {
/* 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(xml_op, task, rsc, node, data_set)) {
clear_reason = "resource parameters have changed";
}
if (clear_reason != NULL) {
// Schedule clearing of the fail count
pe_action_t *clear_op = pe__clear_failcount(rsc, node, clear_reason,
data_set);
if (is_set(data_set->flags, pe_flag_stonith_enabled)
&& rsc->remote_reconnect_ms) {
/* 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_loop() is done).
*/
crm_info("Clearing %s failure will wait until any scheduled "
"fencing of %s completes", task, rsc->id);
order_after_remote_fencing(clear_op, rsc, data_set);
}
}
if (expired && (interval_ms == 0) && safe_str_eq(task, CRMD_ACTION_STATUS)) {
switch(rc) {
case PCMK_OCF_OK:
case PCMK_OCF_NOT_RUNNING:
case PCMK_OCF_RUNNING_MASTER:
case PCMK_OCF_DEGRADED:
case PCMK_OCF_DEGRADED_MASTER:
// Don't expire probes that return these values
expired = FALSE;
break;
}
}
return expired;
}
int pe__target_rc_from_xml(xmlNode *xml_op)
{
int target_rc = 0;
const char *key = crm_element_value(xml_op, XML_ATTR_TRANSITION_KEY);
if (key == NULL) {
return -1;
}
decode_transition_key(key, NULL, NULL, NULL, &target_rc);
return target_rc;
}
static enum action_fail_response
get_action_on_fail(pe_resource_t *rsc, const char *key, const char *task, pe_working_set_t * data_set)
{
int result = action_fail_recover;
pe_action_t *action = custom_action(rsc, strdup(key), task, NULL, TRUE, FALSE, data_set);
result = action->on_fail;
pe_free_action(action);
return result;
}
static void
update_resource_state(pe_resource_t * rsc, pe_node_t * node, xmlNode * xml_op, const char * task, int rc,
xmlNode * last_failure, enum action_fail_response * on_fail, pe_working_set_t * data_set)
{
gboolean clear_past_failure = FALSE;
CRM_ASSERT(rsc);
CRM_ASSERT(xml_op);
if (rc == PCMK_OCF_NOT_RUNNING) {
clear_past_failure = TRUE;
} else if (rc == PCMK_OCF_NOT_INSTALLED) {
rsc->role = RSC_ROLE_STOPPED;
} else if (safe_str_eq(task, CRMD_ACTION_STATUS)) {
if (last_failure) {
const char *op_key = get_op_key(xml_op);
const char *last_failure_key = get_op_key(last_failure);
if (safe_str_eq(op_key, last_failure_key)) {
clear_past_failure = TRUE;
}
}
if (rsc->role < RSC_ROLE_STARTED) {
set_active(rsc);
}
} else if (safe_str_eq(task, CRMD_ACTION_START)) {
rsc->role = RSC_ROLE_STARTED;
clear_past_failure = TRUE;
} else if (safe_str_eq(task, CRMD_ACTION_STOP)) {
rsc->role = RSC_ROLE_STOPPED;
clear_past_failure = TRUE;
} else if (safe_str_eq(task, CRMD_ACTION_PROMOTE)) {
rsc->role = RSC_ROLE_MASTER;
clear_past_failure = TRUE;
} else if (safe_str_eq(task, CRMD_ACTION_DEMOTE)) {
/* Demote from Master does not clear an error */
rsc->role = RSC_ROLE_SLAVE;
} else if (safe_str_eq(task, CRMD_ACTION_MIGRATED)) {
rsc->role = RSC_ROLE_STARTED;
clear_past_failure = TRUE;
} else if (safe_str_eq(task, CRMD_ACTION_MIGRATE)) {
unpack_migrate_to_success(rsc, node, xml_op, data_set);
} else if (rsc->role < RSC_ROLE_STARTED) {
pe_rsc_trace(rsc, "%s active on %s", rsc->id, node->details->uname);
set_active(rsc);
}
/* clear any previous failure actions */
if (clear_past_failure) {
switch (*on_fail) {
case action_fail_stop:
case action_fail_fence:
case action_fail_migrate:
case action_fail_standby:
pe_rsc_trace(rsc, "%s.%s is not cleared by a completed stop",
rsc->id, fail2text(*on_fail));
break;
case action_fail_block:
case action_fail_ignore:
case action_fail_recover:
case action_fail_restart_container:
*on_fail = action_fail_ignore;
rsc->next_role = RSC_ROLE_UNKNOWN;
break;
case action_fail_reset_remote:
if (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 = action_fail_ignore;
rsc->next_role = RSC_ROLE_UNKNOWN;
}
break;
}
}
}
/*!
* \internal
* \brief Remap informational monitor results to usual values
*
* Certain OCF result 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.
*
* \param[in] rc Actual result of a monitor action
* \param[in] xml_op Operation history XML
* \param[in] node Node that operation happened on
* \param[in] rsc Resource that operation happened to
* \param[in] data_set Cluster working set
*
* \return Result code that pacemaker should use
*
* \note If the result is remapped, and the node is not shutting down or failed,
* the operation will be recorded in the data set's list of failed
* operations, to highlight it for the user.
*/
static int
remap_monitor_rc(int rc, xmlNode *xml_op, const pe_node_t *node,
const pe_resource_t *rsc, pe_working_set_t *data_set)
{
int remapped_rc = rc;
switch (rc) {
case PCMK_OCF_DEGRADED:
remapped_rc = PCMK_OCF_OK;
break;
case PCMK_OCF_DEGRADED_MASTER:
remapped_rc = PCMK_OCF_RUNNING_MASTER;
break;
default:
break;
}
if (rc != remapped_rc) {
crm_trace("Remapping monitor result %d to %d", rc, remapped_rc);
if (!node->details->shutdown || node->details->online) {
record_failed_op(xml_op, node, rsc, data_set);
}
}
return remapped_rc;
}
static void
unpack_rsc_op(pe_resource_t *rsc, pe_node_t *node, xmlNode *xml_op,
xmlNode **last_failure, enum action_fail_response *on_fail,
pe_working_set_t *data_set)
{
int rc = 0;
int task_id = 0;
int target_rc = 0;
int status = PCMK_LRM_OP_UNKNOWN;
guint interval_ms = 0;
const char *task = NULL;
const char *task_key = NULL;
const char *exit_reason = NULL;
bool expired = FALSE;
pe_resource_t *parent = rsc;
enum action_fail_response failure_strategy = action_fail_recover;
CRM_CHECK(rsc && node && xml_op, return);
target_rc = pe__target_rc_from_xml(xml_op);
task_key = get_op_key(xml_op);
task = crm_element_value(xml_op, XML_LRM_ATTR_TASK);
exit_reason = crm_element_value(xml_op, XML_LRM_ATTR_EXIT_REASON);
if (exit_reason == NULL) {
exit_reason = "";
}
crm_element_value_int(xml_op, XML_LRM_ATTR_RC, &rc);
crm_element_value_int(xml_op, XML_LRM_ATTR_CALLID, &task_id);
crm_element_value_int(xml_op, XML_LRM_ATTR_OPSTATUS, &status);
crm_element_value_ms(xml_op, XML_LRM_ATTR_INTERVAL_MS, &interval_ms);
CRM_CHECK(task != NULL, return);
CRM_CHECK(status <= PCMK_LRM_OP_INVALID, return);
CRM_CHECK(status >= PCMK_LRM_OP_PENDING, return);
if (!strcmp(task, CRMD_ACTION_NOTIFY) ||
!strcmp(task, CRMD_ACTION_METADATA)) {
/* safe to ignore these */
return;
}
if (is_not_set(rsc->flags, pe_rsc_unique)) {
parent = uber_parent(rsc);
}
pe_rsc_trace(rsc, "Unpacking task %s/%s (call_id=%d, status=%d, rc=%d) on %s (role=%s)",
task_key, task, task_id, status, rc, node->details->uname, role2text(rsc->role));
if (node->details->unclean) {
pe_rsc_trace(rsc, "Node %s (where %s is running) is unclean."
" Further action depends on the value of the stop's on-fail attribute",
node->details->uname, rsc->id);
}
/* It should be possible to call remap_monitor_rc() first then call
* check_operation_expiry() only if rc != target_rc, because there should
* never be a fail count without at least one unexpected result in the
* resource history. That would be more efficient by avoiding having to call
* check_operation_expiry() for expected results.
*
* However, we do have such configurations in the scheduler regression
* tests, even if it shouldn't be possible with the current code. It's
* probably a good idea anyway, but that would require updating the test
* inputs to something currently possible.
*/
if ((status != PCMK_LRM_OP_NOT_INSTALLED)
&& check_operation_expiry(rsc, node, rc, xml_op, data_set)) {
expired = TRUE;
}
if (!strcmp(task, CRMD_ACTION_STATUS)) {
rc = remap_monitor_rc(rc, xml_op, node, rsc, data_set);
}
if (expired && (rc != target_rc)) {
const char *magic = crm_element_value(xml_op, XML_ATTR_TRANSITION_MAGIC);
if (interval_ms == 0) {
crm_notice("Ignoring expired %s failure on %s "
CRM_XS " actual=%d expected=%d magic=%s",
task_key, node->details->uname, rc, target_rc, magic);
goto done;
} else if(node->details->online && node->details->unclean == FALSE) {
/* Reschedule the recurring monitor. CancelXmlOp() won't work at
* this stage, so as a hacky workaround, forcibly change the restart
* digest so check_action_definition() 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 an 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 after failure expired on %s "
CRM_XS " actual=%d expected=%d magic=%s",
task_key, node->details->uname, rc, target_rc, magic);
crm_xml_add(xml_op, XML_LRM_ATTR_RESTART_DIGEST, "calculated-failure-timeout");
goto done;
}
}
/* If the executor reported an operation 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.
*/
if(status == PCMK_LRM_OP_DONE || status == PCMK_LRM_OP_ERROR) {
status = determine_op_status(rsc, rc, target_rc, node, xml_op, on_fail, data_set);
pe_rsc_trace(rsc, "Remapped %s status to %d", task_key, status);
}
switch (status) {
case PCMK_LRM_OP_CANCELLED:
// Should never happen
pe_err("Resource history contains cancellation '%s' "
"(%s of %s on %s at %s)",
ID(xml_op), task, rsc->id, node->details->uname,
last_change_str(xml_op));
break;
case PCMK_LRM_OP_PENDING:
if (!strcmp(task, CRMD_ACTION_START)) {
set_bit(rsc->flags, pe_rsc_start_pending);
set_active(rsc);
} else if (!strcmp(task, CRMD_ACTION_PROMOTE)) {
rsc->role = RSC_ROLE_MASTER;
} else if (!strcmp(task, CRMD_ACTION_MIGRATE) && node->details->unclean) {
/* If a pending migrate_to action is out on a unclean node,
* we have to force the stop action on the target. */
const char *migrate_target = crm_element_value(xml_op, XML_LRM_ATTR_MIGRATE_TARGET);
pe_node_t *target = pe_find_node(data_set->nodes, migrate_target);
if (target) {
stop_action(rsc, target, FALSE);
}
}
if (rsc->pending_task == NULL) {
if ((interval_ms != 0) || strcmp(task, CRMD_ACTION_STATUS)) {
rsc->pending_task = strdup(task);
rsc->pending_node = node;
} else {
/* Pending probes are not printed, even if pending
* operations are requested. If someone ever requests that
* behavior, enable the below and the corresponding part of
* native.c:native_pending_task().
*/
#if 0
rsc->pending_task = strdup("probe");
rsc->pending_node = node;
#endif
}
}
break;
case PCMK_LRM_OP_DONE:
pe_rsc_trace(rsc, "%s of %s on %s completed at %s " CRM_XS " id=%s",
task, rsc->id, node->details->uname,
last_change_str(xml_op), ID(xml_op));
update_resource_state(rsc, node, xml_op, task, rc, *last_failure, on_fail, data_set);
break;
case PCMK_LRM_OP_NOT_INSTALLED:
failure_strategy = get_action_on_fail(rsc, task_key, task, data_set);
if (failure_strategy == action_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",
task, rsc->id, node->details->uname, status, rc,
ID(xml_op));
/* Also for printing it as "FAILED" by marking it as pe_rsc_failed later */
*on_fail = action_fail_migrate;
}
resource_location(parent, node, -INFINITY, "hard-error", data_set);
unpack_rsc_op_failure(rsc, node, rc, xml_op, last_failure, on_fail, data_set);
break;
case PCMK_LRM_OP_NOT_CONNECTED:
if (pe__is_guest_or_remote_node(node)
&& is_set(node->details->remote_rsc->flags, pe_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.
*/
set_bit(node->details->remote_rsc->flags, pe_rsc_failed);
}
// fall through
case PCMK_LRM_OP_ERROR:
case PCMK_LRM_OP_ERROR_HARD:
case PCMK_LRM_OP_ERROR_FATAL:
case PCMK_LRM_OP_TIMEOUT:
case PCMK_LRM_OP_NOTSUPPORTED:
case PCMK_LRM_OP_INVALID:
failure_strategy = get_action_on_fail(rsc, task_key, task, data_set);
if ((failure_strategy == action_fail_ignore)
|| (failure_strategy == action_fail_restart_container
&& !strcmp(task, CRMD_ACTION_STOP))) {
crm_warn("Pretending failed %s (%s%s%s) of %s on %s at %s "
"succeeded " CRM_XS " rc=%d id=%s",
task, services_ocf_exitcode_str(rc),
(*exit_reason? ": " : ""), exit_reason, rsc->id,
node->details->uname, last_change_str(xml_op), rc,
ID(xml_op));
update_resource_state(rsc, node, xml_op, task, target_rc, *last_failure, on_fail, data_set);
crm_xml_add(xml_op, XML_ATTR_UNAME, node->details->uname);
set_bit(rsc->flags, pe_rsc_failure_ignored);
record_failed_op(xml_op, node, rsc, data_set);
if (failure_strategy == action_fail_restart_container && *on_fail <= action_fail_recover) {
*on_fail = failure_strategy;
}
} else {
unpack_rsc_op_failure(rsc, node, rc, xml_op, last_failure, on_fail, data_set);
if(status == PCMK_LRM_OP_ERROR_HARD) {
do_crm_log(rc != PCMK_OCF_NOT_INSTALLED?LOG_ERR:LOG_NOTICE,
"Preventing %s from restarting on %s because "
"of hard failure (%s%s%s)" CRM_XS " rc=%d id=%s",
parent->id, node->details->uname,
services_ocf_exitcode_str(rc),
(*exit_reason? ": " : ""), exit_reason,
rc, ID(xml_op));
resource_location(parent, node, -INFINITY, "hard-error", data_set);
} else if(status == PCMK_LRM_OP_ERROR_FATAL) {
crm_err("Preventing %s from restarting anywhere because "
"of fatal failure (%s%s%s) " CRM_XS " rc=%d id=%s",
parent->id, services_ocf_exitcode_str(rc),
(*exit_reason? ": " : ""), exit_reason,
rc, ID(xml_op));
resource_location(parent, NULL, -INFINITY, "fatal-error", data_set);
}
}
break;
}
done:
pe_rsc_trace(rsc, "Resource %s after %s: role=%s, next=%s",
rsc->id, task, role2text(rsc->role),
role2text(rsc->next_role));
}
static void
add_node_attrs(xmlNode *xml_obj, pe_node_t *node, bool overwrite,
pe_working_set_t *data_set)
{
const char *cluster_name = NULL;
+ pe_rule_eval_data_t rule_data = {
+ .node_hash = NULL,
+ .role = RSC_ROLE_UNKNOWN,
+ .now = data_set->now,
+ .match_data = NULL,
+ .rsc_data = NULL,
+ .op_data = NULL
+ };
+
g_hash_table_insert(node->details->attrs,
strdup(CRM_ATTR_UNAME), strdup(node->details->uname));
g_hash_table_insert(node->details->attrs, strdup(CRM_ATTR_ID),
strdup(node->details->id));
if (safe_str_eq(node->details->id, data_set->dc_uuid)) {
data_set->dc_node = node;
node->details->is_dc = TRUE;
g_hash_table_insert(node->details->attrs,
strdup(CRM_ATTR_IS_DC), strdup(XML_BOOLEAN_TRUE));
} else {
g_hash_table_insert(node->details->attrs,
strdup(CRM_ATTR_IS_DC), strdup(XML_BOOLEAN_FALSE));
}
cluster_name = g_hash_table_lookup(data_set->config_hash, "cluster-name");
if (cluster_name) {
g_hash_table_insert(node->details->attrs, strdup(CRM_ATTR_CLUSTER_NAME),
strdup(cluster_name));
}
- pe__unpack_dataset_nvpairs(xml_obj, XML_TAG_ATTR_SETS, NULL,
+ pe__unpack_dataset_nvpairs(xml_obj, XML_TAG_ATTR_SETS, &rule_data,
node->details->attrs, NULL, overwrite, data_set);
if (pe_node_attribute_raw(node, CRM_ATTR_SITE_NAME) == NULL) {
const char *site_name = pe_node_attribute_raw(node, "site-name");
if (site_name) {
g_hash_table_insert(node->details->attrs,
strdup(CRM_ATTR_SITE_NAME),
strdup(site_name));
} else if (cluster_name) {
/* Default to cluster-name if unset */
g_hash_table_insert(node->details->attrs,
strdup(CRM_ATTR_SITE_NAME),
strdup(cluster_name));
}
}
}
static GListPtr
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;
GListPtr gIter = NULL;
GListPtr op_list = NULL;
GListPtr sorted_op_list = NULL;
/* extract operations */
op_list = NULL;
sorted_op_list = NULL;
for (rsc_op = __xml_first_child_element(rsc_entry);
rsc_op != NULL; rsc_op = __xml_next_element(rsc_op)) {
if (crm_str_eq((const char *)rsc_op->name, XML_LRM_TAG_RSC_OP, TRUE)) {
crm_xml_add(rsc_op, "resource", rsc);
crm_xml_add(rsc_op, XML_ATTR_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", ID(rsc_entry));
break;
} else if (counter < start_index) {
crm_trace("Skipping %s: old", ID(rsc_op));
continue;
}
op_list = g_list_append(op_list, rsc_op);
}
g_list_free(sorted_op_list);
return op_list;
}
GListPtr
find_operations(const char *rsc, const char *node, gboolean active_filter,
pe_working_set_t * data_set)
{
GListPtr output = NULL;
GListPtr intermediate = NULL;
xmlNode *tmp = NULL;
xmlNode *status = find_xml_node(data_set->input, XML_CIB_TAG_STATUS, TRUE);
pe_node_t *this_node = NULL;
xmlNode *node_state = NULL;
for (node_state = __xml_first_child_element(status); node_state != NULL;
node_state = __xml_next_element(node_state)) {
if (crm_str_eq((const char *)node_state->name, XML_CIB_TAG_STATE, TRUE)) {
const char *uname = crm_element_value(node_state, XML_ATTR_UNAME);
if (node != NULL && safe_str_neq(uname, node)) {
continue;
}
this_node = pe_find_node(data_set->nodes, uname);
if(this_node == NULL) {
CRM_LOG_ASSERT(this_node != NULL);
continue;
} else if (pe__is_guest_or_remote_node(this_node)) {
determine_remote_online_status(data_set, this_node);
} else {
determine_online_status(node_state, this_node, data_set);
}
if (this_node->details->online || is_set(data_set->flags, pe_flag_stonith_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 = find_xml_node(node_state, XML_CIB_TAG_LRM, FALSE);
tmp = find_xml_node(tmp, XML_LRM_TAG_RESOURCES, FALSE);
for (lrm_rsc = __xml_first_child_element(tmp); lrm_rsc != NULL;
lrm_rsc = __xml_next_element(lrm_rsc)) {
if (crm_str_eq((const char *)lrm_rsc->name, XML_LRM_TAG_RESOURCE, TRUE)) {
const char *rsc_id = crm_element_value(lrm_rsc, XML_ATTR_ID);
if (rsc != NULL && safe_str_neq(rsc_id, rsc)) {
continue;
}
intermediate = extract_operations(uname, rsc_id, lrm_rsc, active_filter);
output = g_list_concat(output, intermediate);
}
}
}
}
}
return output;
}
diff --git a/lib/pengine/utils.c b/lib/pengine/utils.c
index c9b45e03ea..d01936d5ab 100644
--- a/lib/pengine/utils.c
+++ b/lib/pengine/utils.c
@@ -1,2763 +1,2791 @@
/*
* Copyright 2004-2020 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/crm.h>
#include <crm/msg_xml.h>
#include <crm/common/xml.h>
#include <crm/common/util.h>
#include <ctype.h>
#include <glib.h>
#include <stdbool.h>
#include <crm/pengine/rules.h>
#include <crm/pengine/internal.h>
extern xmlNode *get_object_root(const char *object_type, xmlNode * the_root);
void print_str_str(gpointer key, gpointer value, gpointer user_data);
gboolean ghash_free_str_str(gpointer key, gpointer value, gpointer user_data);
void unpack_operation(pe_action_t * action, xmlNode * xml_obj, pe_resource_t * container,
pe_working_set_t * data_set);
static xmlNode *find_rsc_op_entry_helper(pe_resource_t * rsc, const char *key,
gboolean include_disabled);
#if ENABLE_VERSIONED_ATTRS
pe_rsc_action_details_t *
pe_rsc_action_details(pe_action_t *action)
{
pe_rsc_action_details_t *details;
CRM_CHECK(action != NULL, return NULL);
if (action->action_details == NULL) {
action->action_details = calloc(1, sizeof(pe_rsc_action_details_t));
CRM_CHECK(action->action_details != NULL, return NULL);
}
details = (pe_rsc_action_details_t *) action->action_details;
if (details->versioned_parameters == NULL) {
details->versioned_parameters = create_xml_node(NULL,
XML_TAG_OP_VER_ATTRS);
}
if (details->versioned_meta == NULL) {
details->versioned_meta = create_xml_node(NULL, XML_TAG_OP_VER_META);
}
return details;
}
static void
pe_free_rsc_action_details(pe_action_t *action)
{
pe_rsc_action_details_t *details;
if ((action == NULL) || (action->action_details == NULL)) {
return;
}
details = (pe_rsc_action_details_t *) action->action_details;
if (details->versioned_parameters) {
free_xml(details->versioned_parameters);
}
if (details->versioned_meta) {
free_xml(details->versioned_meta);
}
action->action_details = NULL;
}
#endif
/*!
* \internal
* \brief Check whether we can fence a particular node
*
* \param[in] data_set Working set for cluster
* \param[in] node Name of node to check
*
* \return true if node can be fenced, false otherwise
*/
bool
pe_can_fence(pe_working_set_t *data_set, pe_node_t *node)
{
if (pe__is_guest_node(node)) {
/* Guest nodes are fenced by stopping their container resource. We can
* do that if the container's host is either online or fenceable.
*/
pe_resource_t *rsc = node->details->remote_rsc->container;
for (GList *n = rsc->running_on; n != NULL; n = n->next) {
pe_node_t *container_node = n->data;
if (!container_node->details->online
&& !pe_can_fence(data_set, container_node)) {
return false;
}
}
return true;
} else if(is_not_set(data_set->flags, pe_flag_stonith_enabled)) {
return false; /* Turned off */
} else if (is_not_set(data_set->flags, pe_flag_have_stonith_resource)) {
return false; /* No devices */
} else if (is_set(data_set->flags, pe_flag_have_quorum)) {
return true;
} else if (data_set->no_quorum_policy == no_quorum_ignore) {
return true;
} else if(node == NULL) {
return false;
} else if(node->details->online) {
crm_notice("We can fence %s without quorum because they're in our membership", node->details->uname);
return true;
}
crm_trace("Cannot fence %s", node->details->uname);
return false;
}
/*!
* \internal
* \brief Copy a node object
*
* \param[in] this_node Node object to copy
*
* \return Newly allocated shallow copy of this_node
* \note This function asserts on errors and is guaranteed to return non-NULL.
*/
pe_node_t *
pe__copy_node(const pe_node_t *this_node)
{
pe_node_t *new_node = NULL;
CRM_ASSERT(this_node != NULL);
new_node = calloc(1, sizeof(pe_node_t));
CRM_ASSERT(new_node != NULL);
new_node->rsc_discover_mode = this_node->rsc_discover_mode;
new_node->weight = this_node->weight;
new_node->fixed = this_node->fixed;
new_node->details = this_node->details;
return new_node;
}
/* any node in list1 or list2 and not in the other gets a score of -INFINITY */
void
node_list_exclude(GHashTable * hash, GListPtr list, gboolean merge_scores)
{
GHashTable *result = hash;
pe_node_t *other_node = NULL;
GListPtr gIter = list;
GHashTableIter iter;
pe_node_t *node = NULL;
g_hash_table_iter_init(&iter, hash);
while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) {
other_node = pe_find_node_id(list, node->details->id);
if (other_node == NULL) {
node->weight = -INFINITY;
} else if (merge_scores) {
node->weight = pe__add_scores(node->weight, other_node->weight);
}
}
for (; gIter != NULL; gIter = gIter->next) {
pe_node_t *node = (pe_node_t *) gIter->data;
other_node = pe_hash_table_lookup(result, node->details->id);
if (other_node == NULL) {
pe_node_t *new_node = pe__copy_node(node);
new_node->weight = -INFINITY;
g_hash_table_insert(result, (gpointer) new_node->details->id, new_node);
}
}
}
/*!
* \internal
* \brief Create a node hash table from a node list
*
* \param[in] list Node list
*
* \return Hash table equivalent of node list
*/
GHashTable *
pe__node_list2table(GList *list)
{
GHashTable *result = NULL;
result = g_hash_table_new_full(crm_str_hash, g_str_equal, NULL, free);
for (GList *gIter = list; gIter != NULL; gIter = gIter->next) {
pe_node_t *new_node = pe__copy_node((pe_node_t *) gIter->data);
g_hash_table_insert(result, (gpointer) new_node->details->id, new_node);
}
return result;
}
gint
sort_node_uname(gconstpointer a, gconstpointer b)
{
const char *name_a = ((const pe_node_t *) a)->details->uname;
const char *name_b = ((const pe_node_t *) b)->details->uname;
while (*name_a && *name_b) {
if (isdigit(*name_a) && isdigit(*name_b)) {
// If node names contain a number, sort numerically
char *end_a = NULL;
char *end_b = NULL;
long num_a = strtol(name_a, &end_a, 10);
long num_b = strtol(name_b, &end_b, 10);
// allow ordering e.g. 007 > 7
size_t len_a = end_a - name_a;
size_t len_b = end_b - name_b;
if (num_a < num_b) {
return -1;
} else if (num_a > num_b) {
return 1;
} else if (len_a < len_b) {
return -1;
} else if (len_a > len_b) {
return 1;
}
name_a = end_a;
name_b = end_b;
} else {
// Compare non-digits case-insensitively
int lower_a = tolower(*name_a);
int lower_b = tolower(*name_b);
if (lower_a < lower_b) {
return -1;
} else if (lower_a > lower_b) {
return 1;
}
++name_a;
++name_b;
}
}
if (!*name_a && *name_b) {
return -1;
} else if (*name_a && !*name_b) {
return 1;
}
return 0;
}
/*!
* \internal
* \brief Output node weights to stdout
*
* \param[in] rsc Use allowed nodes for this resource
* \param[in] comment Text description to prefix lines with
* \param[in] nodes If rsc is not specified, use these nodes
*/
static void
pe__output_node_weights(pe_resource_t *rsc, const char *comment,
GHashTable *nodes)
{
char score[128]; // Stack-allocated since this is called frequently
// Sort the nodes so the output is consistent for regression tests
GList *list = g_list_sort(g_hash_table_get_values(nodes), sort_node_uname);
for (GList *gIter = list; gIter != NULL; gIter = gIter->next) {
pe_node_t *node = (pe_node_t *) gIter->data;
score2char_stack(node->weight, score, sizeof(score));
if (rsc) {
printf("%s: %s allocation score on %s: %s\n",
comment, rsc->id, node->details->uname, score);
} else {
printf("%s: %s = %s\n", comment, node->details->uname, score);
}
}
g_list_free(list);
}
/*!
* \internal
* \brief Log node weights at trace level
*
* \param[in] file Caller's filename
* \param[in] function Caller's function name
* \param[in] line Caller's line number
* \param[in] rsc Use allowed nodes for this resource
* \param[in] comment Text description to prefix lines with
* \param[in] nodes If rsc is not specified, use these nodes
*/
static void
pe__log_node_weights(const char *file, const char *function, int line,
pe_resource_t *rsc, const char *comment, GHashTable *nodes)
{
GHashTableIter iter;
pe_node_t *node = NULL;
char score[128]; // Stack-allocated since this is called frequently
// Don't waste time if we're not tracing at this point
pcmk__log_else(LOG_TRACE, return);
g_hash_table_iter_init(&iter, nodes);
while (g_hash_table_iter_next(&iter, NULL, (void **) &node)) {
score2char_stack(node->weight, score, sizeof(score));
if (rsc) {
qb_log_from_external_source(function, file,
"%s: %s allocation score on %s: %s",
LOG_TRACE, line, 0,
comment, rsc->id,
node->details->uname, score);
} else {
qb_log_from_external_source(function, file, "%s: %s = %s",
LOG_TRACE, line, 0,
comment, node->details->uname,
score);
}
}
}
/*!
* \internal
* \brief Log or output node weights
*
* \param[in] file Caller's filename
* \param[in] function Caller's function name
* \param[in] line Caller's line number
* \param[in] to_log Log if true, otherwise output
* \param[in] rsc Use allowed nodes for this resource
* \param[in] comment Text description to prefix lines with
* \param[in] nodes If rsc is not specified, use these nodes
*/
void
pe__show_node_weights_as(const char *file, const char *function, int line,
bool to_log, pe_resource_t *rsc, const char *comment,
GHashTable *nodes)
{
if (rsc != NULL) {
if (is_set(rsc->flags, pe_rsc_orphan)) {
// Don't show allocation scores for orphans
return;
}
nodes = rsc->allowed_nodes;
}
if (nodes == NULL) {
// Nothing to show
return;
}
if (to_log) {
pe__log_node_weights(file, function, line, rsc, comment, nodes);
} else {
pe__output_node_weights(rsc, comment, nodes);
}
// If this resource has children, repeat recursively for each
if (rsc && rsc->children) {
for (GList *gIter = rsc->children; gIter != NULL; gIter = gIter->next) {
pe_resource_t *child = (pe_resource_t *) gIter->data;
pe__show_node_weights_as(file, function, line, to_log, child,
comment, nodes);
}
}
}
static void
append_dump_text(gpointer key, gpointer value, gpointer user_data)
{
char **dump_text = user_data;
char *new_text = crm_strdup_printf("%s %s=%s",
*dump_text, (char *)key, (char *)value);
free(*dump_text);
*dump_text = new_text;
}
void
dump_node_capacity(int level, const char *comment, pe_node_t * node)
{
char *dump_text = crm_strdup_printf("%s: %s capacity:",
comment, node->details->uname);
g_hash_table_foreach(node->details->utilization, append_dump_text, &dump_text);
if (level == LOG_STDOUT) {
fprintf(stdout, "%s\n", dump_text);
} else {
crm_trace("%s", dump_text);
}
free(dump_text);
}
void
dump_rsc_utilization(int level, const char *comment, pe_resource_t * rsc, pe_node_t * node)
{
char *dump_text = crm_strdup_printf("%s: %s utilization on %s:",
comment, rsc->id, node->details->uname);
g_hash_table_foreach(rsc->utilization, append_dump_text, &dump_text);
switch (level) {
case LOG_STDOUT:
fprintf(stdout, "%s\n", dump_text);
break;
case LOG_NEVER:
break;
default:
crm_trace("%s", dump_text);
}
free(dump_text);
}
gint
sort_rsc_index(gconstpointer a, gconstpointer b)
{
const pe_resource_t *resource1 = (const pe_resource_t *)a;
const pe_resource_t *resource2 = (const pe_resource_t *)b;
if (a == NULL && b == NULL) {
return 0;
}
if (a == NULL) {
return 1;
}
if (b == NULL) {
return -1;
}
if (resource1->sort_index > resource2->sort_index) {
return -1;
}
if (resource1->sort_index < resource2->sort_index) {
return 1;
}
return 0;
}
gint
sort_rsc_priority(gconstpointer a, gconstpointer b)
{
const pe_resource_t *resource1 = (const pe_resource_t *)a;
const pe_resource_t *resource2 = (const pe_resource_t *)b;
if (a == NULL && b == NULL) {
return 0;
}
if (a == NULL) {
return 1;
}
if (b == NULL) {
return -1;
}
if (resource1->priority > resource2->priority) {
return -1;
}
if (resource1->priority < resource2->priority) {
return 1;
}
return 0;
}
pe_action_t *
custom_action(pe_resource_t * rsc, char *key, const char *task,
pe_node_t * on_node, gboolean optional, gboolean save_action,
pe_working_set_t * data_set)
{
pe_action_t *action = NULL;
GListPtr possible_matches = NULL;
CRM_CHECK(key != NULL, return NULL);
CRM_CHECK(task != NULL, free(key); return NULL);
if (save_action && rsc != NULL) {
possible_matches = find_actions(rsc->actions, key, on_node);
} else if(save_action) {
#if 0
action = g_hash_table_lookup(data_set->singletons, key);
#else
/* More expensive but takes 'node' into account */
possible_matches = find_actions(data_set->actions, key, on_node);
#endif
}
if(data_set->singletons == NULL) {
data_set->singletons = g_hash_table_new_full(crm_str_hash, g_str_equal, NULL, NULL);
}
if (possible_matches != NULL) {
if (pcmk__list_of_multiple(possible_matches)) {
pe_warn("Action %s for %s on %s exists %d times",
task, rsc ? rsc->id : "<NULL>",
on_node ? on_node->details->uname : "<NULL>", g_list_length(possible_matches));
}
action = g_list_nth_data(possible_matches, 0);
pe_rsc_trace(rsc, "Found existing action %d (%s) for %s (%s) on %s",
action->id, action->uuid,
(rsc? rsc->id : "no resource"), task,
(on_node? on_node->details->uname : "no node"));
g_list_free(possible_matches);
}
if (action == NULL) {
if (save_action) {
pe_rsc_trace(rsc, "Creating %s action %d: %s for %s (%s) on %s",
(optional? "optional" : "mandatory"),
data_set->action_id, key,
(rsc? rsc->id : "no resource"), task,
(on_node? on_node->details->uname : "no node"));
}
action = calloc(1, sizeof(pe_action_t));
if (save_action) {
action->id = data_set->action_id++;
} else {
action->id = 0;
}
action->rsc = rsc;
CRM_ASSERT(task != NULL);
action->task = strdup(task);
if (on_node) {
action->node = pe__copy_node(on_node);
}
action->uuid = strdup(key);
if (safe_str_eq(task, CRM_OP_LRM_DELETE)) {
// Resource history deletion for a node can be done on the DC
pe_set_action_bit(action, pe_action_dc);
}
pe_set_action_bit(action, pe_action_runnable);
if (optional) {
pe_set_action_bit(action, pe_action_optional);
} else {
pe_clear_action_bit(action, pe_action_optional);
}
action->extra = crm_str_table_new();
action->meta = crm_str_table_new();
if (save_action) {
data_set->actions = g_list_prepend(data_set->actions, action);
if(rsc == NULL) {
g_hash_table_insert(data_set->singletons, action->uuid, action);
}
}
if (rsc != NULL) {
action->op_entry = find_rsc_op_entry_helper(rsc, key, TRUE);
unpack_operation(action, action->op_entry, rsc->container, data_set);
if (save_action) {
rsc->actions = g_list_prepend(rsc->actions, action);
}
}
if (save_action) {
pe_rsc_trace(rsc, "Action %d created", action->id);
}
}
if (!optional && is_set(action->flags, pe_action_optional)) {
pe_rsc_trace(rsc, "Unset optional on action %d", action->id);
pe_clear_action_bit(action, pe_action_optional);
}
if (rsc != NULL) {
enum action_tasks a_task = text2task(action->task);
int warn_level = LOG_TRACE;
if (save_action) {
warn_level = LOG_WARNING;
}
if (is_set(action->flags, pe_action_have_node_attrs) == FALSE
&& action->node != NULL && action->op_entry != NULL) {
+ pe_rule_eval_data_t rule_data = {
+ .node_hash = action->node->details->attrs,
+ .role = RSC_ROLE_UNKNOWN,
+ .now = data_set->now,
+ .match_data = NULL,
+ .rsc_data = NULL,
+ .op_data = NULL
+ };
+
pe_set_action_bit(action, pe_action_have_node_attrs);
pe__unpack_dataset_nvpairs(action->op_entry, XML_TAG_ATTR_SETS,
- action->node->details->attrs,
- action->extra, NULL, FALSE, data_set);
+ &rule_data, action->extra, NULL,
+ FALSE, data_set);
}
if (is_set(action->flags, pe_action_pseudo)) {
/* leave untouched */
} else if (action->node == NULL) {
pe_rsc_trace(rsc, "Unset runnable on %s", action->uuid);
pe_clear_action_bit(action, pe_action_runnable);
} else if (is_not_set(rsc->flags, pe_rsc_managed)
&& g_hash_table_lookup(action->meta,
XML_LRM_ATTR_INTERVAL_MS) == NULL) {
crm_debug("Action %s (unmanaged)", action->uuid);
pe_rsc_trace(rsc, "Set optional on %s", action->uuid);
pe_set_action_bit(action, pe_action_optional);
/* action->runnable = FALSE; */
} else if (is_not_set(action->flags, pe_action_dc)
&& !(action->node->details->online)
&& (!pe__is_guest_node(action->node)
|| action->node->details->remote_requires_reset)) {
pe_clear_action_bit(action, pe_action_runnable);
do_crm_log(warn_level, "Action %s on %s is unrunnable (offline)",
action->uuid, action->node->details->uname);
if (is_set(action->rsc->flags, pe_rsc_managed)
&& save_action && a_task == stop_rsc
&& action->node->details->unclean == FALSE) {
pe_fence_node(data_set, action->node, "resource actions are unrunnable", FALSE);
}
} else if (is_not_set(action->flags, pe_action_dc)
&& action->node->details->pending) {
pe_clear_action_bit(action, pe_action_runnable);
do_crm_log(warn_level, "Action %s on %s is unrunnable (pending)",
action->uuid, action->node->details->uname);
} else if (action->needs == rsc_req_nothing) {
pe_rsc_trace(rsc, "Action %s does not require anything", action->uuid);
pe_action_set_reason(action, NULL, TRUE);
if (pe__is_guest_node(action->node)
&& !pe_can_fence(data_set, action->node)) {
/* An action that requires nothing usually does not require any
* fencing in order to be runnable. However, there is an
* exception: an action cannot be completed if it is on a guest
* node whose host is unclean and cannot be fenced.
*/
pe_clear_action_bit(action, pe_action_runnable);
crm_debug("%s\t%s (cancelled : host cannot be fenced)",
action->node->details->uname, action->uuid);
} else {
pe_set_action_bit(action, pe_action_runnable);
}
#if 0
/*
* No point checking this
* - if we don't have quorum we can't stonith anyway
*/
} else if (action->needs == rsc_req_stonith) {
crm_trace("Action %s requires only stonith", action->uuid);
action->runnable = TRUE;
#endif
} else if (is_set(data_set->flags, pe_flag_have_quorum) == FALSE
&& data_set->no_quorum_policy == no_quorum_stop) {
pe_action_set_flag_reason(__FUNCTION__, __LINE__, action, NULL, "no quorum", pe_action_runnable, TRUE);
crm_debug("%s\t%s (cancelled : quorum)", action->node->details->uname, action->uuid);
} else if (is_set(data_set->flags, pe_flag_have_quorum) == FALSE
&& data_set->no_quorum_policy == no_quorum_freeze) {
pe_rsc_trace(rsc, "Check resource is already active: %s %s %s %s", rsc->id, action->uuid, role2text(rsc->next_role), role2text(rsc->role));
if (rsc->fns->active(rsc, TRUE) == FALSE || rsc->next_role > rsc->role) {
pe_action_set_flag_reason(__FUNCTION__, __LINE__, action, NULL, "quorum freeze", pe_action_runnable, TRUE);
pe_rsc_debug(rsc, "%s\t%s (cancelled : quorum freeze)",
action->node->details->uname, action->uuid);
}
} else if(is_not_set(action->flags, pe_action_runnable)) {
pe_rsc_trace(rsc, "Action %s is runnable", action->uuid);
//pe_action_set_reason(action, NULL, TRUE);
pe_set_action_bit(action, pe_action_runnable);
}
if (save_action) {
switch (a_task) {
case stop_rsc:
set_bit(rsc->flags, pe_rsc_stopping);
break;
case start_rsc:
clear_bit(rsc->flags, pe_rsc_starting);
if (is_set(action->flags, pe_action_runnable)) {
set_bit(rsc->flags, pe_rsc_starting);
}
break;
default:
break;
}
}
}
free(key);
return action;
}
static const char *
unpack_operation_on_fail(pe_action_t * action)
{
const char *value = g_hash_table_lookup(action->meta, XML_OP_ATTR_ON_FAIL);
if (safe_str_eq(action->task, CRMD_ACTION_STOP) && safe_str_eq(value, "standby")) {
pcmk__config_err("Resetting '" XML_OP_ATTR_ON_FAIL "' for %s stop "
"action to default value because 'standby' is not "
"allowed for stop", action->rsc->id);
return NULL;
} else if (safe_str_eq(action->task, CRMD_ACTION_DEMOTE) && !value) {
/* demote on_fail defaults to master monitor value if present */
xmlNode *operation = NULL;
const char *name = NULL;
const char *role = NULL;
const char *on_fail = NULL;
const char *interval_spec = NULL;
const char *enabled = NULL;
CRM_CHECK(action->rsc != NULL, return NULL);
for (operation = __xml_first_child_element(action->rsc->ops_xml);
operation && !value; operation = __xml_next_element(operation)) {
if (!crm_str_eq((const char *)operation->name, "op", TRUE)) {
continue;
}
name = crm_element_value(operation, "name");
role = crm_element_value(operation, "role");
on_fail = crm_element_value(operation, XML_OP_ATTR_ON_FAIL);
enabled = crm_element_value(operation, "enabled");
interval_spec = crm_element_value(operation, XML_LRM_ATTR_INTERVAL);
if (!on_fail) {
continue;
} else if (enabled && !crm_is_true(enabled)) {
continue;
} else if (safe_str_neq(name, "monitor") || safe_str_neq(role, "Master")) {
continue;
} else if (crm_parse_interval_spec(interval_spec) == 0) {
continue;
}
value = on_fail;
}
} else if (safe_str_eq(action->task, CRM_OP_LRM_DELETE)) {
value = "ignore";
}
return value;
}
static xmlNode *
find_min_interval_mon(pe_resource_t * rsc, gboolean include_disabled)
{
guint interval_ms = 0;
guint min_interval_ms = G_MAXUINT;
const char *name = NULL;
const char *value = NULL;
const char *interval_spec = NULL;
xmlNode *op = NULL;
xmlNode *operation = NULL;
for (operation = __xml_first_child_element(rsc->ops_xml); operation != NULL;
operation = __xml_next_element(operation)) {
if (crm_str_eq((const char *)operation->name, "op", TRUE)) {
name = crm_element_value(operation, "name");
interval_spec = crm_element_value(operation, XML_LRM_ATTR_INTERVAL);
value = crm_element_value(operation, "enabled");
if (!include_disabled && value && crm_is_true(value) == FALSE) {
continue;
}
if (safe_str_neq(name, RSC_STATUS)) {
continue;
}
interval_ms = crm_parse_interval_spec(interval_spec);
if (interval_ms && (interval_ms < min_interval_ms)) {
min_interval_ms = interval_ms;
op = operation;
}
}
}
return op;
}
static int
unpack_start_delay(const char *value, GHashTable *meta)
{
int start_delay = 0;
if (value != NULL) {
start_delay = crm_get_msec(value);
if (start_delay < 0) {
start_delay = 0;
}
if (meta) {
g_hash_table_replace(meta, strdup(XML_OP_ATTR_START_DELAY), crm_itoa(start_delay));
}
}
return start_delay;
}
// true if value contains valid, non-NULL interval origin for recurring op
static bool
unpack_interval_origin(const char *value, xmlNode *xml_obj, guint interval_ms,
crm_time_t *now, long long *start_delay)
{
long long result = 0;
guint interval_sec = interval_ms / 1000;
crm_time_t *origin = NULL;
// Ignore unspecified values and non-recurring operations
if ((value == NULL) || (interval_ms == 0) || (now == NULL)) {
return false;
}
// Parse interval origin from text
origin = crm_time_new(value);
if (origin == NULL) {
pcmk__config_err("Ignoring '" XML_OP_ATTR_ORIGIN "' for operation "
"'%s' because '%s' is not valid",
(ID(xml_obj)? ID(xml_obj) : "(missing ID)"), value);
return false;
}
// Get seconds since origin (negative if origin is in the future)
result = crm_time_get_seconds(now) - crm_time_get_seconds(origin);
crm_time_free(origin);
// Calculate seconds from closest interval to now
result = result % interval_sec;
// Calculate seconds remaining until next interval
result = ((result <= 0)? 0 : interval_sec) - result;
crm_info("Calculated a start delay of %llds for operation '%s'",
result,
(ID(xml_obj)? ID(xml_obj) : "(unspecified)"));
if (start_delay != NULL) {
*start_delay = result * 1000; // milliseconds
}
return true;
}
static int
unpack_timeout(const char *value)
{
int timeout = crm_get_msec(value);
if (timeout < 0) {
timeout = crm_get_msec(CRM_DEFAULT_OP_TIMEOUT_S);
}
return timeout;
}
int
pe_get_configured_timeout(pe_resource_t *rsc, const char *action, pe_working_set_t *data_set)
{
xmlNode *child = NULL;
const char *timeout = NULL;
int timeout_ms = 0;
+ pe_rule_eval_data_t rule_data = {
+ .node_hash = NULL,
+ .role = RSC_ROLE_UNKNOWN,
+ .now = data_set->now,
+ .match_data = NULL,
+ .rsc_data = NULL,
+ .op_data = NULL
+ };
+
for (child = first_named_child(rsc->ops_xml, XML_ATTR_OP);
child != NULL; child = crm_next_same_xml(child)) {
if (safe_str_eq(action, crm_element_value(child, XML_NVPAIR_ATTR_NAME))) {
timeout = crm_element_value(child, XML_ATTR_TIMEOUT);
break;
}
}
if (timeout == NULL && data_set->op_defaults) {
GHashTable *action_meta = crm_str_table_new();
pe__unpack_dataset_nvpairs(data_set->op_defaults, XML_TAG_META_SETS,
- NULL, action_meta, NULL, FALSE, data_set);
+ &rule_data, action_meta, NULL, FALSE, data_set);
timeout = g_hash_table_lookup(action_meta, XML_ATTR_TIMEOUT);
}
// @TODO check meta-attributes (including versioned meta-attributes)
// @TODO maybe use min-interval monitor timeout as default for monitors
timeout_ms = crm_get_msec(timeout);
if (timeout_ms < 0) {
timeout_ms = crm_get_msec(CRM_DEFAULT_OP_TIMEOUT_S);
}
return timeout_ms;
}
#if ENABLE_VERSIONED_ATTRS
static void
unpack_versioned_meta(xmlNode *versioned_meta, xmlNode *xml_obj,
guint interval_ms, crm_time_t *now)
{
xmlNode *attrs = NULL;
xmlNode *attr = NULL;
for (attrs = __xml_first_child_element(versioned_meta); attrs != NULL;
attrs = __xml_next_element(attrs)) {
for (attr = __xml_first_child_element(attrs); attr != NULL;
attr = __xml_next_element(attr)) {
const char *name = crm_element_value(attr, XML_NVPAIR_ATTR_NAME);
const char *value = crm_element_value(attr, XML_NVPAIR_ATTR_VALUE);
if (safe_str_eq(name, XML_OP_ATTR_START_DELAY)) {
int start_delay = unpack_start_delay(value, NULL);
crm_xml_add_int(attr, XML_NVPAIR_ATTR_VALUE, start_delay);
} else if (safe_str_eq(name, XML_OP_ATTR_ORIGIN)) {
long long start_delay = 0;
if (unpack_interval_origin(value, xml_obj, interval_ms, now,
&start_delay)) {
crm_xml_add(attr, XML_NVPAIR_ATTR_NAME,
XML_OP_ATTR_START_DELAY);
crm_xml_add_ll(attr, XML_NVPAIR_ATTR_VALUE, start_delay);
}
} else if (safe_str_eq(name, XML_ATTR_TIMEOUT)) {
int timeout = unpack_timeout(value);
crm_xml_add_int(attr, XML_NVPAIR_ATTR_VALUE, timeout);
}
}
}
}
#endif
/*!
* \brief Unpack operation XML into an action structure
*
* Unpack an operation's meta-attributes (normalizing the interval, timeout,
* and start delay values as integer milliseconds), requirements, and
* failure policy.
*
* \param[in,out] action Action to unpack into
* \param[in] xml_obj Operation XML (or NULL if all defaults)
* \param[in] container Resource that contains affected resource, if any
* \param[in] data_set Cluster state
*/
void
unpack_operation(pe_action_t * action, xmlNode * xml_obj, pe_resource_t * container,
pe_working_set_t * data_set)
{
guint interval_ms = 0;
int timeout = 0;
char *value_ms = NULL;
const char *value = NULL;
const char *field = NULL;
char *default_timeout = NULL;
#if ENABLE_VERSIONED_ATTRS
pe_rsc_action_details_t *rsc_details = NULL;
#endif
+ pe_rule_eval_data_t rule_data = {
+ .node_hash = NULL,
+ .role = RSC_ROLE_UNKNOWN,
+ .now = data_set->now,
+ .match_data = NULL,
+ .rsc_data = NULL,
+ .op_data = NULL
+ };
+
CRM_CHECK(action && action->rsc, return);
// Cluster-wide <op_defaults> <meta_attributes>
- pe__unpack_dataset_nvpairs(data_set->op_defaults, XML_TAG_META_SETS, NULL,
+ pe__unpack_dataset_nvpairs(data_set->op_defaults, XML_TAG_META_SETS, &rule_data,
action->meta, NULL, FALSE, data_set);
// Probe timeouts default differently, so handle timeout default later
default_timeout = g_hash_table_lookup(action->meta, XML_ATTR_TIMEOUT);
if (default_timeout) {
default_timeout = strdup(default_timeout);
g_hash_table_remove(action->meta, XML_ATTR_TIMEOUT);
}
if (xml_obj) {
xmlAttrPtr xIter = NULL;
// <op> <meta_attributes> take precedence over defaults
- pe__unpack_dataset_nvpairs(xml_obj, XML_TAG_META_SETS, NULL,
+ pe__unpack_dataset_nvpairs(xml_obj, XML_TAG_META_SETS, &rule_data,
action->meta, NULL, TRUE, data_set);
#if ENABLE_VERSIONED_ATTRS
rsc_details = pe_rsc_action_details(action);
- pe_unpack_versioned_attributes(data_set->input, xml_obj,
- XML_TAG_ATTR_SETS, NULL,
- rsc_details->versioned_parameters,
- data_set->now, NULL);
- pe_unpack_versioned_attributes(data_set->input, xml_obj,
- XML_TAG_META_SETS, NULL,
- rsc_details->versioned_meta,
- data_set->now, NULL);
+
+ pe_eval_versioned_attributes(data_set->input, xml_obj,
+ XML_TAG_ATTR_SETS, &rule_data,
+ rsc_details->versioned_parameters,
+ NULL);
+ pe_eval_versioned_attributes(data_set->input, xml_obj,
+ XML_TAG_META_SETS, &rule_data,
+ rsc_details->versioned_meta,
+ NULL);
#endif
/* Anything set as an <op> XML property has highest precedence.
* This ensures we use the name and interval from the <op> tag.
*/
for (xIter = xml_obj->properties; xIter; xIter = xIter->next) {
const char *prop_name = (const char *)xIter->name;
const char *prop_value = crm_element_value(xml_obj, prop_name);
g_hash_table_replace(action->meta, strdup(prop_name), strdup(prop_value));
}
}
g_hash_table_remove(action->meta, "id");
// Normalize interval to milliseconds
field = XML_LRM_ATTR_INTERVAL;
value = g_hash_table_lookup(action->meta, field);
if (value != NULL) {
interval_ms = crm_parse_interval_spec(value);
} else if ((xml_obj == NULL) && !strcmp(action->task, RSC_STATUS)) {
/* An orphaned recurring monitor will not have any XML. However, we
* want the interval to be set, so the action can be properly detected
* as a recurring monitor. Parse it from the key in this case.
*/
parse_op_key(action->uuid, NULL, NULL, &interval_ms);
}
if (interval_ms > 0) {
value_ms = crm_strdup_printf("%u", interval_ms);
g_hash_table_replace(action->meta, strdup(field), value_ms);
} else if (value) {
g_hash_table_remove(action->meta, field);
}
// Handle timeout default, now that we know the interval
if (g_hash_table_lookup(action->meta, XML_ATTR_TIMEOUT)) {
free(default_timeout);
} else {
// Probe timeouts default to minimum-interval monitor's
if (safe_str_eq(action->task, RSC_STATUS) && (interval_ms == 0)) {
xmlNode *min_interval_mon = find_min_interval_mon(action->rsc, FALSE);
if (min_interval_mon) {
value = crm_element_value(min_interval_mon, XML_ATTR_TIMEOUT);
if (value) {
crm_trace("\t%s defaults to minimum-interval monitor's timeout '%s'",
action->uuid, value);
free(default_timeout);
default_timeout = strdup(value);
}
}
}
if (default_timeout) {
g_hash_table_insert(action->meta, strdup(XML_ATTR_TIMEOUT),
default_timeout);
}
}
if (safe_str_neq(action->task, RSC_START)
&& safe_str_neq(action->task, RSC_PROMOTE)) {
action->needs = rsc_req_nothing;
value = "nothing (not start/promote)";
} else if (is_set(action->rsc->flags, pe_rsc_needs_fencing)) {
action->needs = rsc_req_stonith;
value = "fencing (resource)";
} else if (is_set(action->rsc->flags, pe_rsc_needs_quorum)) {
action->needs = rsc_req_quorum;
value = "quorum (resource)";
} else {
action->needs = rsc_req_nothing;
value = "nothing (resource)";
}
pe_rsc_trace(action->rsc, "\tAction %s requires: %s", action->uuid, value);
value = unpack_operation_on_fail(action);
if (value == NULL) {
} else if (safe_str_eq(value, "block")) {
action->on_fail = action_fail_block;
g_hash_table_insert(action->meta, strdup(XML_OP_ATTR_ON_FAIL), strdup("block"));
value = "block"; // The above could destroy the original string
} else if (safe_str_eq(value, "fence")) {
action->on_fail = action_fail_fence;
value = "node fencing";
if (is_set(data_set->flags, pe_flag_stonith_enabled) == FALSE) {
pcmk__config_err("Resetting '" XML_OP_ATTR_ON_FAIL "' for "
"operation '%s' to 'stop' because 'fence' is not "
"valid when fencing is disabled", action->uuid);
action->on_fail = action_fail_stop;
action->fail_role = RSC_ROLE_STOPPED;
value = "stop resource";
}
} else if (safe_str_eq(value, "standby")) {
action->on_fail = action_fail_standby;
value = "node standby";
} else if (safe_str_eq(value, "ignore")
|| safe_str_eq(value, "nothing")) {
action->on_fail = action_fail_ignore;
value = "ignore";
} else if (safe_str_eq(value, "migrate")) {
action->on_fail = action_fail_migrate;
value = "force migration";
} else if (safe_str_eq(value, "stop")) {
action->on_fail = action_fail_stop;
action->fail_role = RSC_ROLE_STOPPED;
value = "stop resource";
} else if (safe_str_eq(value, "restart")) {
action->on_fail = action_fail_recover;
value = "restart (and possibly migrate)";
} else if (safe_str_eq(value, "restart-container")) {
if (container) {
action->on_fail = action_fail_restart_container;
value = "restart container (and possibly migrate)";
} else {
value = NULL;
}
} else {
pe_err("Resource %s: Unknown failure type (%s)", action->rsc->id, value);
value = NULL;
}
/* defaults */
if (value == NULL && container) {
action->on_fail = action_fail_restart_container;
value = "restart container (and possibly migrate) (default)";
/* For remote nodes, ensure that any failure that results in dropping an
* active connection to the node results in fencing of the node.
*
* There are only two action failures that don't result in fencing.
* 1. probes - probe failures are expected.
* 2. start - a start failure indicates that an active connection does not already
* exist. The user can set op on-fail=fence if they really want to fence start
* failures. */
} else if (((value == NULL) || !is_set(action->rsc->flags, pe_rsc_managed)) &&
(pe__resource_is_remote_conn(action->rsc, data_set) &&
!(safe_str_eq(action->task, CRMD_ACTION_STATUS) && (interval_ms == 0)) &&
(safe_str_neq(action->task, CRMD_ACTION_START)))) {
if (!is_set(action->rsc->flags, pe_rsc_managed)) {
action->on_fail = action_fail_stop;
action->fail_role = RSC_ROLE_STOPPED;
value = "stop unmanaged remote node (enforcing default)";
} else {
if (is_set(data_set->flags, pe_flag_stonith_enabled)) {
value = "fence remote node (default)";
} else {
value = "recover remote node connection (default)";
}
if (action->rsc->remote_reconnect_ms) {
action->fail_role = RSC_ROLE_STOPPED;
}
action->on_fail = action_fail_reset_remote;
}
} else if (value == NULL && safe_str_eq(action->task, CRMD_ACTION_STOP)) {
if (is_set(data_set->flags, pe_flag_stonith_enabled)) {
action->on_fail = action_fail_fence;
value = "resource fence (default)";
} else {
action->on_fail = action_fail_block;
value = "resource block (default)";
}
} else if (value == NULL) {
action->on_fail = action_fail_recover;
value = "restart (and possibly migrate) (default)";
}
pe_rsc_trace(action->rsc, "\t%s failure handling: %s", action->task, value);
value = NULL;
if (xml_obj != NULL) {
value = g_hash_table_lookup(action->meta, "role_after_failure");
if (value) {
pe_warn_once(pe_wo_role_after,
"Support for role_after_failure is deprecated and will be removed in a future release");
}
}
if (value != NULL && action->fail_role == RSC_ROLE_UNKNOWN) {
action->fail_role = text2role(value);
}
/* defaults */
if (action->fail_role == RSC_ROLE_UNKNOWN) {
if (safe_str_eq(action->task, CRMD_ACTION_PROMOTE)) {
action->fail_role = RSC_ROLE_SLAVE;
} else {
action->fail_role = RSC_ROLE_STARTED;
}
}
pe_rsc_trace(action->rsc, "\t%s failure results in: %s", action->task,
role2text(action->fail_role));
value = g_hash_table_lookup(action->meta, XML_OP_ATTR_START_DELAY);
if (value) {
unpack_start_delay(value, action->meta);
} else {
long long start_delay = 0;
value = g_hash_table_lookup(action->meta, XML_OP_ATTR_ORIGIN);
if (unpack_interval_origin(value, xml_obj, interval_ms, data_set->now,
&start_delay)) {
g_hash_table_replace(action->meta, strdup(XML_OP_ATTR_START_DELAY),
crm_strdup_printf("%lld", start_delay));
}
}
value = g_hash_table_lookup(action->meta, XML_ATTR_TIMEOUT);
timeout = unpack_timeout(value);
g_hash_table_replace(action->meta, strdup(XML_ATTR_TIMEOUT), crm_itoa(timeout));
#if ENABLE_VERSIONED_ATTRS
unpack_versioned_meta(rsc_details->versioned_meta, xml_obj, interval_ms,
data_set->now);
#endif
}
static xmlNode *
find_rsc_op_entry_helper(pe_resource_t * rsc, const char *key, gboolean include_disabled)
{
guint interval_ms = 0;
gboolean do_retry = TRUE;
char *local_key = NULL;
const char *name = NULL;
const char *value = NULL;
const char *interval_spec = NULL;
char *match_key = NULL;
xmlNode *op = NULL;
xmlNode *operation = NULL;
retry:
for (operation = __xml_first_child_element(rsc->ops_xml); operation != NULL;
operation = __xml_next_element(operation)) {
if (crm_str_eq((const char *)operation->name, "op", TRUE)) {
name = crm_element_value(operation, "name");
interval_spec = crm_element_value(operation, XML_LRM_ATTR_INTERVAL);
value = crm_element_value(operation, "enabled");
if (!include_disabled && value && crm_is_true(value) == FALSE) {
continue;
}
interval_ms = crm_parse_interval_spec(interval_spec);
match_key = pcmk__op_key(rsc->id, name, interval_ms);
if (safe_str_eq(key, match_key)) {
op = operation;
}
free(match_key);
if (rsc->clone_name) {
match_key = pcmk__op_key(rsc->clone_name, name, interval_ms);
if (safe_str_eq(key, match_key)) {
op = operation;
}
free(match_key);
}
if (op != NULL) {
free(local_key);
return op;
}
}
}
free(local_key);
if (do_retry == FALSE) {
return NULL;
}
do_retry = FALSE;
if (strstr(key, CRMD_ACTION_MIGRATE) || strstr(key, CRMD_ACTION_MIGRATED)) {
local_key = pcmk__op_key(rsc->id, "migrate", 0);
key = local_key;
goto retry;
} else if (strstr(key, "_notify_")) {
local_key = pcmk__op_key(rsc->id, "notify", 0);
key = local_key;
goto retry;
}
return NULL;
}
xmlNode *
find_rsc_op_entry(pe_resource_t * rsc, const char *key)
{
return find_rsc_op_entry_helper(rsc, key, FALSE);
}
void
print_node(const char *pre_text, pe_node_t * node, gboolean details)
{
if (node == NULL) {
crm_trace("%s%s: <NULL>", pre_text == NULL ? "" : pre_text, pre_text == NULL ? "" : ": ");
return;
}
CRM_ASSERT(node->details);
crm_trace("%s%s%sNode %s: (weight=%d, fixed=%s)",
pre_text == NULL ? "" : pre_text,
pre_text == NULL ? "" : ": ",
node->details->online ? "" : "Unavailable/Unclean ",
node->details->uname, node->weight, node->fixed ? "True" : "False");
if (details) {
int log_level = LOG_TRACE;
char *pe_mutable = strdup("\t\t");
GListPtr gIter = node->details->running_rsc;
crm_trace("\t\t===Node Attributes");
g_hash_table_foreach(node->details->attrs, print_str_str, pe_mutable);
free(pe_mutable);
crm_trace("\t\t=== Resources");
for (; gIter != NULL; gIter = gIter->next) {
pe_resource_t *rsc = (pe_resource_t *) gIter->data;
rsc->fns->print(rsc, "\t\t", pe_print_log|pe_print_pending,
&log_level);
}
}
}
/*
* Used by the HashTable for-loop
*/
void
print_str_str(gpointer key, gpointer value, gpointer user_data)
{
crm_trace("%s%s %s ==> %s",
user_data == NULL ? "" : (char *)user_data,
user_data == NULL ? "" : ": ", (char *)key, (char *)value);
}
void
pe_free_action(pe_action_t * action)
{
if (action == NULL) {
return;
}
g_list_free_full(action->actions_before, free); /* pe_action_wrapper_t* */
g_list_free_full(action->actions_after, free); /* pe_action_wrapper_t* */
if (action->extra) {
g_hash_table_destroy(action->extra);
}
if (action->meta) {
g_hash_table_destroy(action->meta);
}
#if ENABLE_VERSIONED_ATTRS
if (action->rsc) {
pe_free_rsc_action_details(action);
}
#endif
free(action->cancel_task);
free(action->reason);
free(action->task);
free(action->uuid);
free(action->node);
free(action);
}
GListPtr
find_recurring_actions(GListPtr input, pe_node_t * not_on_node)
{
const char *value = NULL;
GListPtr result = NULL;
GListPtr gIter = input;
CRM_CHECK(input != NULL, return NULL);
for (; gIter != NULL; gIter = gIter->next) {
pe_action_t *action = (pe_action_t *) gIter->data;
value = g_hash_table_lookup(action->meta, XML_LRM_ATTR_INTERVAL_MS);
if (value == NULL) {
/* skip */
} else if (safe_str_eq(value, "0")) {
/* skip */
} else if (safe_str_eq(CRMD_ACTION_CANCEL, action->task)) {
/* skip */
} else if (not_on_node == NULL) {
crm_trace("(null) Found: %s", action->uuid);
result = g_list_prepend(result, action);
} else if (action->node == NULL) {
/* skip */
} else if (action->node->details != not_on_node->details) {
crm_trace("Found: %s", action->uuid);
result = g_list_prepend(result, action);
}
}
return result;
}
enum action_tasks
get_complex_task(pe_resource_t * rsc, const char *name, gboolean allow_non_atomic)
{
enum action_tasks task = text2task(name);
if (rsc == NULL) {
return task;
} else if (allow_non_atomic == FALSE || rsc->variant == pe_native) {
switch (task) {
case stopped_rsc:
case started_rsc:
case action_demoted:
case action_promoted:
crm_trace("Folding %s back into its atomic counterpart for %s", name, rsc->id);
return task - 1;
break;
default:
break;
}
}
return task;
}
pe_action_t *
find_first_action(GListPtr input, const char *uuid, const char *task, pe_node_t * on_node)
{
GListPtr gIter = NULL;
CRM_CHECK(uuid || task, return NULL);
for (gIter = input; gIter != NULL; gIter = gIter->next) {
pe_action_t *action = (pe_action_t *) gIter->data;
if (uuid != NULL && safe_str_neq(uuid, action->uuid)) {
continue;
} else if (task != NULL && safe_str_neq(task, action->task)) {
continue;
} else if (on_node == NULL) {
return action;
} else if (action->node == NULL) {
continue;
} else if (on_node->details == action->node->details) {
return action;
}
}
return NULL;
}
GListPtr
find_actions(GListPtr input, const char *key, const pe_node_t *on_node)
{
GListPtr gIter = input;
GListPtr result = NULL;
CRM_CHECK(key != NULL, return NULL);
for (; gIter != NULL; gIter = gIter->next) {
pe_action_t *action = (pe_action_t *) gIter->data;
if (safe_str_neq(key, action->uuid)) {
crm_trace("%s does not match action %s", key, action->uuid);
continue;
} else if (on_node == NULL) {
crm_trace("Action %s matches (ignoring node)", key);
result = g_list_prepend(result, action);
} else if (action->node == NULL) {
crm_trace("Action %s matches (unallocated, assigning to %s)",
key, on_node->details->uname);
action->node = pe__copy_node(on_node);
result = g_list_prepend(result, action);
} else if (on_node->details == action->node->details) {
crm_trace("Action %s on %s matches", key, on_node->details->uname);
result = g_list_prepend(result, action);
} else {
crm_trace("Action %s on node %s does not match requested node %s",
key, action->node->details->uname,
on_node->details->uname);
}
}
return result;
}
GList *
find_actions_exact(GList *input, const char *key, const pe_node_t *on_node)
{
GList *result = NULL;
CRM_CHECK(key != NULL, return NULL);
if (on_node == NULL) {
crm_trace("Not searching for action %s because node not specified",
key);
return NULL;
}
for (GList *gIter = input; gIter != NULL; gIter = gIter->next) {
pe_action_t *action = (pe_action_t *) gIter->data;
if (action->node == NULL) {
crm_trace("Skipping comparison of %s vs action %s without node",
key, action->uuid);
} else if (safe_str_neq(key, action->uuid)) {
crm_trace("Desired action %s doesn't match %s", key, action->uuid);
} else if (safe_str_neq(on_node->details->id,
action->node->details->id)) {
crm_trace("Action %s desired node ID %s doesn't match %s",
key, on_node->details->id, action->node->details->id);
} else {
crm_trace("Action %s matches", key);
result = g_list_prepend(result, action);
}
}
return result;
}
/*!
* \brief Find all actions of given type for a resource
*
* \param[in] rsc Resource to search
* \param[in] node Find only actions scheduled on this node
* \param[in] task Action name to search for
* \param[in] require_node If TRUE, NULL node or action node will not match
*
* \return List of actions found (or NULL if none)
* \note If node is not NULL and require_node is FALSE, matching actions
* without a node will be assigned to node.
*/
GList *
pe__resource_actions(const pe_resource_t *rsc, const pe_node_t *node,
const char *task, bool require_node)
{
GList *result = NULL;
char *key = pcmk__op_key(rsc->id, task, 0);
if (require_node) {
result = find_actions_exact(rsc->actions, key, node);
} else {
result = find_actions(rsc->actions, key, node);
}
free(key);
return result;
}
static void
resource_node_score(pe_resource_t * rsc, pe_node_t * node, int score, const char *tag)
{
pe_node_t *match = NULL;
if ((rsc->exclusive_discover || (node->rsc_discover_mode == pe_discover_never))
&& safe_str_eq(tag, "symmetric_default")) {
/* This string comparision may be fragile, but exclusive resources and
* exclusive nodes should not have the symmetric_default constraint
* applied to them.
*/
return;
} else if (rsc->children) {
GListPtr gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
pe_resource_t *child_rsc = (pe_resource_t *) gIter->data;
resource_node_score(child_rsc, node, score, tag);
}
}
pe_rsc_trace(rsc, "Setting %s for %s on %s: %d", tag, rsc->id, node->details->uname, score);
match = pe_hash_table_lookup(rsc->allowed_nodes, node->details->id);
if (match == NULL) {
match = pe__copy_node(node);
g_hash_table_insert(rsc->allowed_nodes, (gpointer) match->details->id, match);
}
match->weight = pe__add_scores(match->weight, score);
}
void
resource_location(pe_resource_t * rsc, pe_node_t * node, int score, const char *tag,
pe_working_set_t * data_set)
{
if (node != NULL) {
resource_node_score(rsc, node, score, tag);
} else if (data_set != NULL) {
GListPtr gIter = data_set->nodes;
for (; gIter != NULL; gIter = gIter->next) {
pe_node_t *node_iter = (pe_node_t *) gIter->data;
resource_node_score(rsc, node_iter, score, tag);
}
} else {
GHashTableIter iter;
pe_node_t *node_iter = NULL;
g_hash_table_iter_init(&iter, rsc->allowed_nodes);
while (g_hash_table_iter_next(&iter, NULL, (void **)&node_iter)) {
resource_node_score(rsc, node_iter, score, tag);
}
}
if (node == NULL && score == -INFINITY) {
if (rsc->allocated_to) {
crm_info("Deallocating %s from %s", rsc->id, rsc->allocated_to->details->uname);
free(rsc->allocated_to);
rsc->allocated_to = NULL;
}
}
}
#define sort_return(an_int, why) do { \
free(a_uuid); \
free(b_uuid); \
crm_trace("%s (%d) %c %s (%d) : %s", \
a_xml_id, a_call_id, an_int>0?'>':an_int<0?'<':'=', \
b_xml_id, b_call_id, why); \
return an_int; \
} while(0)
gint
sort_op_by_callid(gconstpointer a, gconstpointer b)
{
int a_call_id = -1;
int b_call_id = -1;
char *a_uuid = NULL;
char *b_uuid = NULL;
const xmlNode *xml_a = a;
const xmlNode *xml_b = b;
const char *a_xml_id = crm_element_value(xml_a, XML_ATTR_ID);
const char *b_xml_id = crm_element_value(xml_b, XML_ATTR_ID);
if (safe_str_eq(a_xml_id, b_xml_id)) {
/* We have duplicate lrm_rsc_op entries in the status
* section which is unlikely to be a good thing
* - we can handle it easily enough, but we need to get
* to the bottom of why it's happening.
*/
pe_err("Duplicate lrm_rsc_op entries named %s", a_xml_id);
sort_return(0, "duplicate");
}
crm_element_value_int(xml_a, XML_LRM_ATTR_CALLID, &a_call_id);
crm_element_value_int(xml_b, XML_LRM_ATTR_CALLID, &b_call_id);
if (a_call_id == -1 && b_call_id == -1) {
/* both are pending ops so it doesn't matter since
* stops are never pending
*/
sort_return(0, "pending");
} else if (a_call_id >= 0 && a_call_id < b_call_id) {
sort_return(-1, "call id");
} else if (b_call_id >= 0 && a_call_id > b_call_id) {
sort_return(1, "call id");
} else if (b_call_id >= 0 && a_call_id == b_call_id) {
/*
* The op and last_failed_op are the same
* Order on last-rc-change
*/
time_t last_a = -1;
time_t last_b = -1;
crm_element_value_epoch(xml_a, XML_RSC_OP_LAST_CHANGE, &last_a);
crm_element_value_epoch(xml_b, XML_RSC_OP_LAST_CHANGE, &last_b);
crm_trace("rc-change: %lld vs %lld",
(long long) last_a, (long long) last_b);
if (last_a >= 0 && last_a < last_b) {
sort_return(-1, "rc-change");
} else if (last_b >= 0 && last_a > last_b) {
sort_return(1, "rc-change");
}
sort_return(0, "rc-change");
} else {
/* One of the inputs is a pending operation
* Attempt to use XML_ATTR_TRANSITION_MAGIC to determine its age relative to the other
*/
int a_id = -1;
int b_id = -1;
const char *a_magic = crm_element_value(xml_a, XML_ATTR_TRANSITION_MAGIC);
const char *b_magic = crm_element_value(xml_b, XML_ATTR_TRANSITION_MAGIC);
CRM_CHECK(a_magic != NULL && b_magic != NULL, sort_return(0, "No magic"));
if (!decode_transition_magic(a_magic, &a_uuid, &a_id, NULL, NULL, NULL,
NULL)) {
sort_return(0, "bad magic a");
}
if (!decode_transition_magic(b_magic, &b_uuid, &b_id, NULL, NULL, NULL,
NULL)) {
sort_return(0, "bad magic b");
}
/* try to determine the relative age of the operation...
* some pending operations (e.g. a start) may have been superseded
* by a subsequent stop
*
* [a|b]_id == -1 means it's a shutdown operation and _always_ comes last
*/
if (safe_str_neq(a_uuid, b_uuid) || a_id == b_id) {
/*
* some of the logic in here may be redundant...
*
* if the UUID from the TE doesn't match then one better
* be a pending operation.
* pending operations don't survive between elections and joins
* because we query the LRM directly
*/
if (b_call_id == -1) {
sort_return(-1, "transition + call");
} else if (a_call_id == -1) {
sort_return(1, "transition + call");
}
} else if ((a_id >= 0 && a_id < b_id) || b_id == -1) {
sort_return(-1, "transition");
} else if ((b_id >= 0 && a_id > b_id) || a_id == -1) {
sort_return(1, "transition");
}
}
/* we should never end up here */
CRM_CHECK(FALSE, sort_return(0, "default"));
}
time_t
get_effective_time(pe_working_set_t * data_set)
{
if(data_set) {
if (data_set->now == NULL) {
crm_trace("Recording a new 'now'");
data_set->now = crm_time_new(NULL);
}
return crm_time_get_seconds_since_epoch(data_set->now);
}
crm_trace("Defaulting to 'now'");
return time(NULL);
}
gboolean
get_target_role(pe_resource_t * rsc, enum rsc_role_e * role)
{
enum rsc_role_e local_role = RSC_ROLE_UNKNOWN;
const char *value = g_hash_table_lookup(rsc->meta, XML_RSC_ATTR_TARGET_ROLE);
CRM_CHECK(role != NULL, return FALSE);
if (value == NULL || safe_str_eq("started", value)
|| safe_str_eq("default", value)) {
return FALSE;
}
local_role = text2role(value);
if (local_role == RSC_ROLE_UNKNOWN) {
pcmk__config_err("Ignoring '" XML_RSC_ATTR_TARGET_ROLE "' for %s "
"because '%s' is not valid", rsc->id, value);
return FALSE;
} else if (local_role > RSC_ROLE_STARTED) {
if (is_set(uber_parent(rsc)->flags, pe_rsc_promotable)) {
if (local_role > RSC_ROLE_SLAVE) {
/* This is what we'd do anyway, just leave the default to avoid messing up the placement algorithm */
return FALSE;
}
} else {
pcmk__config_err("Ignoring '" XML_RSC_ATTR_TARGET_ROLE "' for %s "
"because '%s' only makes sense for promotable "
"clones", rsc->id, value);
return FALSE;
}
}
*role = local_role;
return TRUE;
}
gboolean
order_actions(pe_action_t * lh_action, pe_action_t * rh_action, enum pe_ordering order)
{
GListPtr gIter = NULL;
pe_action_wrapper_t *wrapper = NULL;
GListPtr list = NULL;
if (order == pe_order_none) {
return FALSE;
}
if (lh_action == NULL || rh_action == NULL) {
return FALSE;
}
crm_trace("Ordering Action %s before %s", lh_action->uuid, rh_action->uuid);
/* Ensure we never create a dependency on ourselves... it's happened */
CRM_ASSERT(lh_action != rh_action);
/* Filter dups, otherwise update_action_states() has too much work to do */
gIter = lh_action->actions_after;
for (; gIter != NULL; gIter = gIter->next) {
pe_action_wrapper_t *after = (pe_action_wrapper_t *) gIter->data;
if (after->action == rh_action && (after->type & order)) {
return FALSE;
}
}
wrapper = calloc(1, sizeof(pe_action_wrapper_t));
wrapper->action = rh_action;
wrapper->type = order;
list = lh_action->actions_after;
list = g_list_prepend(list, wrapper);
lh_action->actions_after = list;
wrapper = NULL;
/* order |= pe_order_implies_then; */
/* order ^= pe_order_implies_then; */
wrapper = calloc(1, sizeof(pe_action_wrapper_t));
wrapper->action = lh_action;
wrapper->type = order;
list = rh_action->actions_before;
list = g_list_prepend(list, wrapper);
rh_action->actions_before = list;
return TRUE;
}
pe_action_t *
get_pseudo_op(const char *name, pe_working_set_t * data_set)
{
pe_action_t *op = NULL;
if(data_set->singletons) {
op = g_hash_table_lookup(data_set->singletons, name);
}
if (op == NULL) {
op = custom_action(NULL, strdup(name), name, NULL, TRUE, TRUE, data_set);
set_bit(op->flags, pe_action_pseudo);
set_bit(op->flags, pe_action_runnable);
}
return op;
}
void
destroy_ticket(gpointer data)
{
pe_ticket_t *ticket = data;
if (ticket->state) {
g_hash_table_destroy(ticket->state);
}
free(ticket->id);
free(ticket);
}
pe_ticket_t *
ticket_new(const char *ticket_id, pe_working_set_t * data_set)
{
pe_ticket_t *ticket = NULL;
if (ticket_id == NULL || strlen(ticket_id) == 0) {
return NULL;
}
if (data_set->tickets == NULL) {
data_set->tickets =
g_hash_table_new_full(crm_str_hash, g_str_equal, free,
destroy_ticket);
}
ticket = g_hash_table_lookup(data_set->tickets, ticket_id);
if (ticket == NULL) {
ticket = calloc(1, sizeof(pe_ticket_t));
if (ticket == NULL) {
crm_err("Cannot allocate ticket '%s'", ticket_id);
return NULL;
}
crm_trace("Creaing ticket entry for %s", ticket_id);
ticket->id = strdup(ticket_id);
ticket->granted = FALSE;
ticket->last_granted = -1;
ticket->standby = FALSE;
ticket->state = crm_str_table_new();
g_hash_table_insert(data_set->tickets, strdup(ticket->id), ticket);
}
return ticket;
}
static void
filter_parameters(xmlNode * param_set, const char *param_string, bool need_present)
{
if (param_set && param_string) {
xmlAttrPtr xIter = param_set->properties;
while (xIter) {
const char *prop_name = (const char *)xIter->name;
char *name = crm_strdup_printf(" %s ", prop_name);
char *match = strstr(param_string, name);
free(name);
// Do now, because current entry might get removed below
xIter = xIter->next;
if (need_present && match == NULL) {
crm_trace("%s not found in %s", prop_name, param_string);
xml_remove_prop(param_set, prop_name);
} else if (need_present == FALSE && match) {
crm_trace("%s found in %s", prop_name, param_string);
xml_remove_prop(param_set, prop_name);
}
}
}
}
#if ENABLE_VERSIONED_ATTRS
static void
append_versioned_params(xmlNode *versioned_params, const char *ra_version, xmlNode *params)
{
GHashTable *hash = pe_unpack_versioned_parameters(versioned_params, ra_version);
char *key = NULL;
char *value = NULL;
GHashTableIter iter;
g_hash_table_iter_init(&iter, hash);
while (g_hash_table_iter_next(&iter, (gpointer *) &key, (gpointer *) &value)) {
crm_xml_add(params, key, value);
}
g_hash_table_destroy(hash);
}
#endif
/*!
* \internal
* \brief Calculate action digests and store in node's digest cache
*
* \param[in] rsc Resource that action was for
* \param[in] task Name of action performed
* \param[in] key Action's task key
* \param[in] node Node action was performed on
* \param[in] xml_op XML of operation in CIB status (if available)
* \param[in] calc_secure Whether to calculate secure digest
* \param[in] data_set Cluster working set
*
* \return Pointer to node's digest cache entry
*/
static op_digest_cache_t *
rsc_action_digest(pe_resource_t *rsc, const char *task, const char *key,
pe_node_t *node, xmlNode *xml_op, bool calc_secure,
pe_working_set_t *data_set)
{
op_digest_cache_t *data = NULL;
data = g_hash_table_lookup(node->details->digest_cache, key);
if (data == NULL) {
GHashTable *local_rsc_params = crm_str_table_new();
pe_action_t *action = custom_action(rsc, strdup(key), task, node, TRUE, FALSE, data_set);
#if ENABLE_VERSIONED_ATTRS
xmlNode *local_versioned_params = create_xml_node(NULL, XML_TAG_RSC_VER_ATTRS);
const char *ra_version = NULL;
#endif
const char *op_version;
const char *restart_list = NULL;
const char *secure_list = " passwd password ";
data = calloc(1, sizeof(op_digest_cache_t));
CRM_ASSERT(data != NULL);
get_rsc_attributes(local_rsc_params, rsc, node, data_set);
#if ENABLE_VERSIONED_ATTRS
pe_get_versioned_attributes(local_versioned_params, rsc, node, data_set);
#endif
data->params_all = create_xml_node(NULL, XML_TAG_PARAMS);
// REMOTE_CONTAINER_HACK: Allow remote nodes that start containers with pacemaker remote inside
if (pe__add_bundle_remote_name(rsc, data->params_all,
XML_RSC_ATTR_REMOTE_RA_ADDR)) {
crm_trace("Set address for bundle connection %s (on %s)",
rsc->id, node->details->uname);
}
g_hash_table_foreach(local_rsc_params, hash2field, data->params_all);
g_hash_table_foreach(action->extra, hash2field, data->params_all);
g_hash_table_foreach(rsc->parameters, hash2field, data->params_all);
g_hash_table_foreach(action->meta, hash2metafield, data->params_all);
if(xml_op) {
secure_list = crm_element_value(xml_op, XML_LRM_ATTR_OP_SECURE);
restart_list = crm_element_value(xml_op, XML_LRM_ATTR_OP_RESTART);
op_version = crm_element_value(xml_op, XML_ATTR_CRM_VERSION);
#if ENABLE_VERSIONED_ATTRS
ra_version = crm_element_value(xml_op, XML_ATTR_RA_VERSION);
#endif
} else {
op_version = CRM_FEATURE_SET;
}
#if ENABLE_VERSIONED_ATTRS
append_versioned_params(local_versioned_params, ra_version, data->params_all);
append_versioned_params(rsc->versioned_parameters, ra_version, data->params_all);
{
pe_rsc_action_details_t *details = pe_rsc_action_details(action);
append_versioned_params(details->versioned_parameters, ra_version, data->params_all);
}
#endif
pcmk__filter_op_for_digest(data->params_all);
g_hash_table_destroy(local_rsc_params);
pe_free_action(action);
data->digest_all_calc = calculate_operation_digest(data->params_all, op_version);
if (calc_secure) {
data->params_secure = copy_xml(data->params_all);
if(secure_list) {
filter_parameters(data->params_secure, secure_list, FALSE);
}
data->digest_secure_calc = calculate_operation_digest(data->params_secure, op_version);
}
if(xml_op && crm_element_value(xml_op, XML_LRM_ATTR_RESTART_DIGEST) != NULL) {
data->params_restart = copy_xml(data->params_all);
if (restart_list) {
filter_parameters(data->params_restart, restart_list, TRUE);
}
data->digest_restart_calc = calculate_operation_digest(data->params_restart, op_version);
}
g_hash_table_insert(node->details->digest_cache, strdup(key), data);
}
return data;
}
op_digest_cache_t *
rsc_action_digest_cmp(pe_resource_t * rsc, xmlNode * xml_op, pe_node_t * node,
pe_working_set_t * data_set)
{
op_digest_cache_t *data = NULL;
char *key = NULL;
guint interval_ms = 0;
const char *op_version;
const char *task = crm_element_value(xml_op, XML_LRM_ATTR_TASK);
const char *digest_all;
const char *digest_restart;
CRM_ASSERT(node != NULL);
op_version = crm_element_value(xml_op, XML_ATTR_CRM_VERSION);
digest_all = crm_element_value(xml_op, XML_LRM_ATTR_OP_DIGEST);
digest_restart = crm_element_value(xml_op, XML_LRM_ATTR_RESTART_DIGEST);
crm_element_value_ms(xml_op, XML_LRM_ATTR_INTERVAL_MS, &interval_ms);
key = pcmk__op_key(rsc->id, task, interval_ms);
data = rsc_action_digest(rsc, task, key, node, xml_op,
is_set(data_set->flags, pe_flag_sanitized),
data_set);
data->rc = RSC_DIGEST_MATCH;
if (digest_restart && data->digest_restart_calc && strcmp(data->digest_restart_calc, digest_restart) != 0) {
pe_rsc_info(rsc, "Parameters to %s on %s changed: was %s vs. now %s (restart:%s) %s",
key, node->details->uname,
crm_str(digest_restart), data->digest_restart_calc,
op_version, crm_element_value(xml_op, XML_ATTR_TRANSITION_MAGIC));
data->rc = RSC_DIGEST_RESTART;
} else if (digest_all == NULL) {
/* it is unknown what the previous op digest was */
data->rc = RSC_DIGEST_UNKNOWN;
} else if (strcmp(digest_all, data->digest_all_calc) != 0) {
pe_rsc_info(rsc, "Parameters to %s on %s changed: was %s vs. now %s (%s:%s) %s",
key, node->details->uname,
crm_str(digest_all), data->digest_all_calc,
(interval_ms > 0)? "reschedule" : "reload",
op_version, crm_element_value(xml_op, XML_ATTR_TRANSITION_MAGIC));
data->rc = RSC_DIGEST_ALL;
}
free(key);
return data;
}
/*!
* \internal
* \brief Create an unfencing summary for use in special node attribute
*
* Create a string combining a fence device's resource ID, agent type, and
* parameter digest (whether for all parameters or just non-private parameters).
* This can be stored in a special node attribute, allowing us to detect changes
* in either the agent type or parameters, to know whether unfencing must be
* redone or can be safely skipped when the device's history is cleaned.
*
* \param[in] rsc_id Fence device resource ID
* \param[in] agent_type Fence device agent
* \param[in] param_digest Fence device parameter digest
*
* \return Newly allocated string with unfencing digest
* \note The caller is responsible for freeing the result.
*/
static inline char *
create_unfencing_summary(const char *rsc_id, const char *agent_type,
const char *param_digest)
{
return crm_strdup_printf("%s:%s:%s", rsc_id, agent_type, param_digest);
}
/*!
* \internal
* \brief Check whether a node can skip unfencing
*
* Check whether a fence device's current definition matches a node's
* stored summary of when it was last unfenced by the device.
*
* \param[in] rsc_id Fence device's resource ID
* \param[in] agent Fence device's agent type
* \param[in] digest_calc Fence device's current parameter digest
* \param[in] node_summary Value of node's special unfencing node attribute
* (a comma-separated list of unfencing summaries for
* all devices that have unfenced this node)
*
* \return TRUE if digest matches, FALSE otherwise
*/
static bool
unfencing_digest_matches(const char *rsc_id, const char *agent,
const char *digest_calc, const char *node_summary)
{
bool matches = FALSE;
if (rsc_id && agent && digest_calc && node_summary) {
char *search_secure = create_unfencing_summary(rsc_id, agent,
digest_calc);
/* The digest was calculated including the device ID and agent,
* so there is no risk of collision using strstr().
*/
matches = (strstr(node_summary, search_secure) != NULL);
crm_trace("Calculated unfencing digest '%s' %sfound in '%s'",
search_secure, matches? "" : "not ", node_summary);
free(search_secure);
}
return matches;
}
/* Magic string to use as action name for digest cache entries used for
* unfencing checks. This is not a real action name (i.e. "on"), so
* check_action_definition() won't confuse these entries with real actions.
*/
#define STONITH_DIGEST_TASK "stonith-on"
/*!
* \internal
* \brief Calculate fence device digests and digest comparison result
*
* \param[in] rsc Fence device resource
* \param[in] agent Fence device's agent type
* \param[in] node Node with digest cache to use
* \param[in] data_set Cluster working set
*
* \return Node's digest cache entry
*/
static op_digest_cache_t *
fencing_action_digest_cmp(pe_resource_t *rsc, const char *agent,
pe_node_t *node, pe_working_set_t *data_set)
{
const char *node_summary = NULL;
// Calculate device's current parameter digests
char *key = pcmk__op_key(rsc->id, STONITH_DIGEST_TASK, 0);
op_digest_cache_t *data = rsc_action_digest(rsc, STONITH_DIGEST_TASK, key,
node, NULL, TRUE, data_set);
free(key);
// Check whether node has special unfencing summary node attribute
node_summary = pe_node_attribute_raw(node, CRM_ATTR_DIGESTS_ALL);
if (node_summary == NULL) {
data->rc = RSC_DIGEST_UNKNOWN;
return data;
}
// Check whether full parameter digest matches
if (unfencing_digest_matches(rsc->id, agent, data->digest_all_calc,
node_summary)) {
data->rc = RSC_DIGEST_MATCH;
return data;
}
// Check whether secure parameter digest matches
node_summary = pe_node_attribute_raw(node, CRM_ATTR_DIGESTS_SECURE);
if (unfencing_digest_matches(rsc->id, agent, data->digest_secure_calc,
node_summary)) {
data->rc = RSC_DIGEST_MATCH;
if (is_set(data_set->flags, pe_flag_stdout)) {
printf("Only 'private' parameters to %s for unfencing %s changed\n",
rsc->id, node->details->uname);
}
return data;
}
// Parameters don't match
data->rc = RSC_DIGEST_ALL;
if (is_set(data_set->flags, (pe_flag_sanitized|pe_flag_stdout))
&& data->digest_secure_calc) {
char *digest = create_unfencing_summary(rsc->id, agent,
data->digest_secure_calc);
printf("Parameters to %s for unfencing %s changed, try '%s'\n",
rsc->id, node->details->uname, digest);
free(digest);
}
return data;
}
const char *rsc_printable_id(pe_resource_t *rsc)
{
if (is_not_set(rsc->flags, pe_rsc_unique)) {
return ID(rsc->xml);
}
return rsc->id;
}
void
clear_bit_recursive(pe_resource_t * rsc, unsigned long long flag)
{
GListPtr gIter = rsc->children;
clear_bit(rsc->flags, flag);
for (; gIter != NULL; gIter = gIter->next) {
pe_resource_t *child_rsc = (pe_resource_t *) gIter->data;
clear_bit_recursive(child_rsc, flag);
}
}
void
set_bit_recursive(pe_resource_t * rsc, unsigned long long flag)
{
GListPtr gIter = rsc->children;
set_bit(rsc->flags, flag);
for (; gIter != NULL; gIter = gIter->next) {
pe_resource_t *child_rsc = (pe_resource_t *) gIter->data;
set_bit_recursive(child_rsc, flag);
}
}
static GListPtr
find_unfencing_devices(GListPtr candidates, GListPtr matches)
{
for (GListPtr gIter = candidates; gIter != NULL; gIter = gIter->next) {
pe_resource_t *candidate = gIter->data;
const char *provides = g_hash_table_lookup(candidate->meta, XML_RSC_ATTR_PROVIDES);
const char *requires = g_hash_table_lookup(candidate->meta, XML_RSC_ATTR_REQUIRES);
if(candidate->children) {
matches = find_unfencing_devices(candidate->children, matches);
} else if (is_not_set(candidate->flags, pe_rsc_fence_device)) {
continue;
} else if (crm_str_eq(provides, "unfencing", FALSE) || crm_str_eq(requires, "unfencing", FALSE)) {
matches = g_list_prepend(matches, candidate);
}
}
return matches;
}
static int
node_priority_fencing_delay(pe_node_t * node, pe_working_set_t * data_set)
{
int member_count = 0;
int online_count = 0;
int top_priority = 0;
int lowest_priority = 0;
GListPtr gIter = NULL;
// `priority-fencing-delay` is disabled
if (data_set->priority_fencing_delay <= 0) {
return 0;
}
/* No need to request a delay if the fencing target is not a normal cluster
* member, for example if it's a remote node or a guest node. */
if (node->details->type != node_member) {
return 0;
}
// No need to request a delay if the fencing target is in our partition
if (node->details->online) {
return 0;
}
for (gIter = data_set->nodes; gIter != NULL; gIter = gIter->next) {
pe_node_t *n = gIter->data;
if (n->details->type != node_member) {
continue;
}
member_count ++;
if (n->details->online) {
online_count++;
}
if (member_count == 1
|| n->details->priority > top_priority) {
top_priority = n->details->priority;
}
if (member_count == 1
|| n->details->priority < lowest_priority) {
lowest_priority = n->details->priority;
}
}
// No need to delay if we have more than half of the cluster members
if (online_count > member_count / 2) {
return 0;
}
/* All the nodes have equal priority.
* Any configured corresponding `pcmk_delay_base/max` will be applied. */
if (lowest_priority == top_priority) {
return 0;
}
if (node->details->priority < top_priority) {
return 0;
}
return data_set->priority_fencing_delay;
}
pe_action_t *
pe_fence_op(pe_node_t * node, const char *op, bool optional, const char *reason,
bool priority_delay, pe_working_set_t * data_set)
{
char *op_key = NULL;
pe_action_t *stonith_op = NULL;
if(op == NULL) {
op = data_set->stonith_action;
}
op_key = crm_strdup_printf("%s-%s-%s", CRM_OP_FENCE, node->details->uname, op);
if(data_set->singletons) {
stonith_op = g_hash_table_lookup(data_set->singletons, op_key);
}
if(stonith_op == NULL) {
stonith_op = custom_action(NULL, op_key, CRM_OP_FENCE, node, TRUE, TRUE, data_set);
add_hash_param(stonith_op->meta, XML_LRM_ATTR_TARGET, node->details->uname);
add_hash_param(stonith_op->meta, XML_LRM_ATTR_TARGET_UUID, node->details->id);
add_hash_param(stonith_op->meta, "stonith_action", op);
if (pe__is_guest_or_remote_node(node)
&& is_set(data_set->flags, pe_flag_enable_unfencing)) {
/* Extra work to detect device changes on remotes
*
* We may do this for all nodes in the future, but for now
* the check_action_definition() based stuff works fine.
*/
long max = 1024;
long digests_all_offset = 0;
long digests_secure_offset = 0;
char *digests_all = calloc(max, sizeof(char));
char *digests_secure = calloc(max, sizeof(char));
GListPtr matches = find_unfencing_devices(data_set->resources, NULL);
for (GListPtr gIter = matches; gIter != NULL; gIter = gIter->next) {
pe_resource_t *match = gIter->data;
const char *agent = g_hash_table_lookup(match->meta,
XML_ATTR_TYPE);
op_digest_cache_t *data = NULL;
data = fencing_action_digest_cmp(match, agent, node, data_set);
if(data->rc == RSC_DIGEST_ALL) {
optional = FALSE;
crm_notice("Unfencing %s (remote): because the definition of %s changed", node->details->uname, match->id);
if (is_set(data_set->flags, pe_flag_stdout)) {
fprintf(stdout, " notice: Unfencing %s (remote): because the definition of %s changed\n", node->details->uname, match->id);
}
}
digests_all_offset += snprintf(
digests_all+digests_all_offset, max-digests_all_offset,
"%s:%s:%s,", match->id, agent, data->digest_all_calc);
digests_secure_offset += snprintf(
digests_secure+digests_secure_offset, max-digests_secure_offset,
"%s:%s:%s,", match->id, agent, data->digest_secure_calc);
}
g_hash_table_insert(stonith_op->meta,
strdup(XML_OP_ATTR_DIGESTS_ALL),
digests_all);
g_hash_table_insert(stonith_op->meta,
strdup(XML_OP_ATTR_DIGESTS_SECURE),
digests_secure);
}
} else {
free(op_key);
}
if (data_set->priority_fencing_delay > 0
/* It's a suitable case where `priority-fencing-delay` applies.
* At least add `priority-fencing-delay` field as an indicator. */
&& (priority_delay
/* Re-calculate priority delay for the suitable case when
* pe_fence_op() is called again by stage6() after node priority has
* been actually calculated with native_add_running() */
|| g_hash_table_lookup(stonith_op->meta,
XML_CONFIG_ATTR_PRIORITY_FENCING_DELAY) != NULL)) {
/* Add `priority-fencing-delay` to the fencing op even if it's 0 for
* the targeting node. So that it takes precedence over any possible
* `pcmk_delay_base/max`.
*/
char *delay_s = crm_itoa(node_priority_fencing_delay(node, data_set));
g_hash_table_insert(stonith_op->meta,
strdup(XML_CONFIG_ATTR_PRIORITY_FENCING_DELAY),
delay_s);
}
if(optional == FALSE && pe_can_fence(data_set, node)) {
pe_action_required(stonith_op, NULL, reason);
} else if(reason && stonith_op->reason == NULL) {
stonith_op->reason = strdup(reason);
}
return stonith_op;
}
void
trigger_unfencing(
pe_resource_t * rsc, pe_node_t *node, const char *reason, pe_action_t *dependency, pe_working_set_t * data_set)
{
if(is_not_set(data_set->flags, pe_flag_enable_unfencing)) {
/* No resources require it */
return;
} else if (rsc != NULL && is_not_set(rsc->flags, pe_rsc_fence_device)) {
/* Wasn't a stonith device */
return;
} else if(node
&& node->details->online
&& node->details->unclean == FALSE
&& node->details->shutdown == FALSE) {
pe_action_t *unfence = pe_fence_op(node, "on", FALSE, reason, FALSE, data_set);
if(dependency) {
order_actions(unfence, dependency, pe_order_optional);
}
} else if(rsc) {
GHashTableIter iter;
g_hash_table_iter_init(&iter, rsc->allowed_nodes);
while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) {
if(node->details->online && node->details->unclean == FALSE && node->details->shutdown == FALSE) {
trigger_unfencing(rsc, node, reason, dependency, data_set);
}
}
}
}
gboolean
add_tag_ref(GHashTable * tags, const char * tag_name, const char * obj_ref)
{
pe_tag_t *tag = NULL;
GListPtr gIter = NULL;
gboolean is_existing = FALSE;
CRM_CHECK(tags && tag_name && obj_ref, return FALSE);
tag = g_hash_table_lookup(tags, tag_name);
if (tag == NULL) {
tag = calloc(1, sizeof(pe_tag_t));
if (tag == NULL) {
return FALSE;
}
tag->id = strdup(tag_name);
tag->refs = NULL;
g_hash_table_insert(tags, strdup(tag_name), tag);
}
for (gIter = tag->refs; gIter != NULL; gIter = gIter->next) {
const char *existing_ref = (const char *) gIter->data;
if (crm_str_eq(existing_ref, obj_ref, TRUE)){
is_existing = TRUE;
break;
}
}
if (is_existing == FALSE) {
tag->refs = g_list_append(tag->refs, strdup(obj_ref));
crm_trace("Added: tag=%s ref=%s", tag->id, obj_ref);
}
return TRUE;
}
void pe_action_set_flag_reason(const char *function, long line,
pe_action_t *action, pe_action_t *reason, const char *text,
enum pe_action_flags flags, bool overwrite)
{
bool unset = FALSE;
bool update = FALSE;
const char *change = NULL;
if(is_set(flags, pe_action_runnable)) {
unset = TRUE;
change = "unrunnable";
} else if(is_set(flags, pe_action_optional)) {
unset = TRUE;
change = "required";
} else if(is_set(flags, pe_action_migrate_runnable)) {
unset = TRUE;
overwrite = TRUE;
change = "unrunnable";
} else if(is_set(flags, pe_action_dangle)) {
change = "dangling";
} else if(is_set(flags, pe_action_requires_any)) {
change = "required";
} else {
crm_err("Unknown flag change to %x by %s: 0x%s",
flags, action->uuid, (reason? reason->uuid : "0"));
}
if(unset) {
if(is_set(action->flags, flags)) {
action->flags = crm_clear_bit(function, line, action->uuid, action->flags, flags);
update = TRUE;
}
} else {
if(is_not_set(action->flags, flags)) {
action->flags = crm_set_bit(function, line, action->uuid, action->flags, flags);
update = TRUE;
}
}
if((change && update) || text) {
char *reason_text = NULL;
if(reason == NULL) {
pe_action_set_reason(action, text, overwrite);
} else if(reason->rsc == NULL) {
reason_text = crm_strdup_printf("%s %s%c %s", change, reason->task, text?':':0, text?text:"");
} else {
reason_text = crm_strdup_printf("%s %s %s%c %s", change, reason->rsc->id, reason->task, text?':':0, text?text:"NA");
}
if(reason_text && action->rsc != reason->rsc) {
pe_action_set_reason(action, reason_text, overwrite);
}
free(reason_text);
}
}
void pe_action_set_reason(pe_action_t *action, const char *reason, bool overwrite)
{
if (action->reason != NULL && overwrite) {
pe_rsc_trace(action->rsc, "Changing %s reason from '%s' to '%s'",
action->uuid, action->reason, crm_str(reason));
free(action->reason);
} else if (action->reason == NULL) {
pe_rsc_trace(action->rsc, "Set %s reason to '%s'",
action->uuid, crm_str(reason));
} else {
// crm_assert(action->reason != NULL && !overwrite);
return;
}
if (reason != NULL) {
action->reason = strdup(reason);
} else {
action->reason = NULL;
}
}
/*!
* \internal
* \brief Check whether shutdown has been requested for a node
*
* \param[in] node Node to check
*
* \return TRUE if node has shutdown attribute set and nonzero, FALSE otherwise
* \note This differs from simply using node->details->shutdown in that it can
* be used before that has been determined (and in fact to determine it),
* and it can also be used to distinguish requested shutdown from implicit
* shutdown of remote nodes by virtue of their connection stopping.
*/
bool
pe__shutdown_requested(pe_node_t *node)
{
const char *shutdown = pe_node_attribute_raw(node, XML_CIB_ATTR_SHUTDOWN);
return shutdown && strcmp(shutdown, "0");
}
/*!
* \internal
* \brief Update a data set's "recheck by" time
*
* \param[in] recheck Epoch time when recheck should happen
* \param[in,out] data_set Current working set
*/
void
pe__update_recheck_time(time_t recheck, pe_working_set_t *data_set)
{
if ((recheck > get_effective_time(data_set))
&& ((data_set->recheck_by == 0)
|| (data_set->recheck_by > recheck))) {
data_set->recheck_by = recheck;
}
}
/*!
* \internal
* \brief Wrapper for pe_unpack_nvpairs() using a cluster working set
*/
void
pe__unpack_dataset_nvpairs(xmlNode *xml_obj, const char *set_name,
- GHashTable *node_hash, GHashTable *hash,
+ pe_rule_eval_data_t *rule_data, GHashTable *hash,
const char *always_first, gboolean overwrite,
pe_working_set_t *data_set)
{
crm_time_t *next_change = crm_time_new_undefined();
- pe_unpack_nvpairs(data_set->input, xml_obj, set_name, node_hash, hash,
- always_first, overwrite, data_set->now, next_change);
+ pe_eval_nvpairs(data_set->input, xml_obj, set_name, rule_data, hash,
+ always_first, overwrite, next_change);
if (crm_time_is_defined(next_change)) {
time_t recheck = (time_t) crm_time_get_seconds_since_epoch(next_change);
pe__update_recheck_time(recheck, data_set);
}
crm_time_free(next_change);
}
bool
pe__resource_is_disabled(pe_resource_t *rsc)
{
const char *target_role = NULL;
CRM_CHECK(rsc != NULL, return false);
target_role = g_hash_table_lookup(rsc->meta, XML_RSC_ATTR_TARGET_ROLE);
if (target_role) {
enum rsc_role_e target_role_e = text2role(target_role);
if ((target_role_e == RSC_ROLE_STOPPED)
|| ((target_role_e == RSC_ROLE_SLAVE)
&& is_set(uber_parent(rsc)->flags, pe_rsc_promotable))) {
return true;
}
}
return false;
}
/*!
* \internal
* \brief Create an action to clear a resource's history from CIB
*
* \param[in] rsc Resource to clear
* \param[in] node Node to clear history on
*
* \return New action to clear resource history
*/
pe_action_t *
pe__clear_resource_history(pe_resource_t *rsc, pe_node_t *node,
pe_working_set_t *data_set)
{
char *key = NULL;
CRM_ASSERT(rsc && node);
key = pcmk__op_key(rsc->id, CRM_OP_LRM_DELETE, 0);
return custom_action(rsc, key, CRM_OP_LRM_DELETE, node, FALSE, TRUE,
data_set);
}
bool
pe__rsc_running_on_any_node_in_list(GListPtr rsc_nodes, GListPtr node_list)
{
for (GListPtr ele = rsc_nodes; ele; ele = ele->next) {
pe_node_t *node = (pe_node_t *) ele->data;
if (pcmk__str_in_list(node_list, node->details->uname)) {
return true;
}
}
return false;
}

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