diff --git a/lib/pengine/utils.c b/lib/pengine/utils.c
index 209f34cba1..38e93edaa6 100644
--- a/lib/pengine/utils.c
+++ b/lib/pengine/utils.c
@@ -1,2151 +1,2156 @@
/*
* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <crm_internal.h>
#include <crm/crm.h>
#include <crm/msg_xml.h>
#include <crm/common/xml.h>
#include <crm/common/util.h>
#include <glib.h>
#include <crm/pengine/rules.h>
#include <crm/pengine/internal.h>
pe_working_set_t *pe_dataset = NULL;
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(action_t * action, xmlNode * xml_obj, resource_t * container,
pe_working_set_t * data_set);
static xmlNode *find_rsc_op_entry_helper(resource_t * rsc, const char *key,
gboolean include_disabled);
bool pe_can_fence(pe_working_set_t * data_set, node_t *node)
{
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;
}
node_t *
node_copy(const node_t *this_node)
{
node_t *new_node = NULL;
CRM_CHECK(this_node != NULL, return NULL);
new_node = calloc(1, sizeof(node_t));
CRM_ASSERT(new_node != NULL);
crm_trace("Copying %p (%s) to %p", this_node, this_node->details->uname, new_node);
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;
node_t *other_node = NULL;
GListPtr gIter = list;
GHashTableIter iter;
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 = merge_weights(node->weight, other_node->weight);
}
}
for (; gIter != NULL; gIter = gIter->next) {
node_t *node = (node_t *) gIter->data;
other_node = pe_hash_table_lookup(result, node->details->id);
if (other_node == NULL) {
node_t *new_node = node_copy(node);
new_node->weight = -INFINITY;
g_hash_table_insert(result, (gpointer) new_node->details->id, new_node);
}
}
}
GHashTable *
node_hash_from_list(GListPtr list)
{
GListPtr gIter = list;
GHashTable *result = g_hash_table_new_full(crm_str_hash, g_str_equal, NULL, g_hash_destroy_str);
for (; gIter != NULL; gIter = gIter->next) {
node_t *node = (node_t *) gIter->data;
node_t *n = node_copy(node);
g_hash_table_insert(result, (gpointer) n->details->id, n);
}
return result;
}
GListPtr
node_list_dup(GListPtr list1, gboolean reset, gboolean filter)
{
GListPtr result = NULL;
GListPtr gIter = list1;
for (; gIter != NULL; gIter = gIter->next) {
node_t *new_node = NULL;
node_t *this_node = (node_t *) gIter->data;
if (filter && this_node->weight < 0) {
continue;
}
new_node = node_copy(this_node);
if (reset) {
new_node->weight = 0;
}
if (new_node != NULL) {
result = g_list_prepend(result, new_node);
}
}
return result;
}
gint
sort_node_uname(gconstpointer a, gconstpointer b)
{
const node_t *node_a = a;
const node_t *node_b = b;
return strcmp(node_a->details->uname, node_b->details->uname);
}
void
dump_node_scores_worker(int level, const char *file, const char *function, int line,
resource_t * rsc, const char *comment, GHashTable * nodes)
{
GHashTable *hash = nodes;
GHashTableIter iter;
node_t *node = NULL;
if (rsc) {
hash = rsc->allowed_nodes;
}
if (rsc && is_set(rsc->flags, pe_rsc_orphan)) {
/* Don't show the allocation scores for orphans */
return;
}
if (level == 0) {
char score[128];
int len = sizeof(score);
/* For now we want this in sorted order to keep the regression tests happy */
GListPtr gIter = NULL;
GListPtr list = g_hash_table_get_values(hash);
list = g_list_sort(list, sort_node_uname);
gIter = list;
for (; gIter != NULL; gIter = gIter->next) {
node_t *node = (node_t *) gIter->data;
/* This function is called a whole lot, use stack allocated score */
score2char_stack(node->weight, score, len);
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);
} else if (hash) {
char score[128];
int len = sizeof(score);
g_hash_table_iter_init(&iter, hash);
while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) {
/* This function is called a whole lot, use stack allocated score */
score2char_stack(node->weight, score, len);
if (rsc) {
do_crm_log_alias(LOG_TRACE, file, function, line,
"%s: %s allocation score on %s: %s", comment, rsc->id,
node->details->uname, score);
} else {
do_crm_log_alias(LOG_TRACE, file, function, line + 1, "%s: %s = %s", comment,
node->details->uname, score);
}
}
}
if (rsc && rsc->children) {
GListPtr gIter = NULL;
gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child = (resource_t *) gIter->data;
dump_node_scores_worker(level, file, function, line, child, comment, nodes);
}
}
}
static void
append_dump_text(gpointer key, gpointer value, gpointer user_data)
{
char **dump_text = user_data;
int len = 0;
char *new_text = NULL;
len = strlen(*dump_text) + strlen(" ") + strlen(key) + strlen("=") + strlen(value) + 1;
new_text = calloc(1, len);
sprintf(new_text, "%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, node_t * node)
{
int len = 0;
char *dump_text = NULL;
len = strlen(comment) + strlen(": ") + strlen(node->details->uname) + strlen(" capacity:") + 1;
dump_text = calloc(1, len);
sprintf(dump_text, "%s: %s capacity:", comment, node->details->uname);
g_hash_table_foreach(node->details->utilization, append_dump_text, &dump_text);
if (level == 0) {
fprintf(stdout, "%s\n", dump_text);
} else {
crm_trace("%s", dump_text);
}
free(dump_text);
}
void
dump_rsc_utilization(int level, const char *comment, resource_t * rsc, node_t * node)
{
int len = 0;
char *dump_text = NULL;
len = strlen(comment) + strlen(": ") + strlen(rsc->id) + strlen(" utilization on ")
+ strlen(node->details->uname) + strlen(":") + 1;
dump_text = calloc(1, len);
sprintf(dump_text, "%s: %s utilization on %s:", comment, rsc->id, node->details->uname);
g_hash_table_foreach(rsc->utilization, append_dump_text, &dump_text);
if (level == 0) {
fprintf(stdout, "%s\n", dump_text);
} else {
crm_trace("%s", dump_text);
}
free(dump_text);
}
gint
sort_rsc_index(gconstpointer a, gconstpointer b)
{
const resource_t *resource1 = (const resource_t *)a;
const resource_t *resource2 = (const 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 resource_t *resource1 = (const resource_t *)a;
const resource_t *resource2 = (const 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;
}
action_t *
custom_action(resource_t * rsc, char *key, const char *task,
node_t * on_node, gboolean optional, gboolean save_action,
pe_working_set_t * data_set)
{
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 (g_list_length(possible_matches) > 1) {
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 on %s",
action->id, task, rsc ? rsc->id : "<NULL>",
on_node ? on_node->details->uname : "<NULL>");
g_list_free(possible_matches);
}
if (action == NULL) {
if (save_action) {
pe_rsc_trace(rsc, "Creating%s action %d: %s for %s on %s %d",
optional ? "" : " mandatory", data_set->action_id, key,
rsc ? rsc->id : "<NULL>", on_node ? on_node->details->uname : "<NULL>", optional);
}
action = calloc(1, sizeof(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 = node_copy(on_node);
}
action->uuid = strdup(key);
pe_set_action_bit(action, pe_action_runnable);
if (optional) {
pe_rsc_trace(rsc, "Set optional on %s", action->uuid);
pe_set_action_bit(action, pe_action_optional);
} else {
pe_clear_action_bit(action, pe_action_optional);
pe_rsc_trace(rsc, "Unset optional on %s", action->uuid);
}
/*
Implied by calloc()...
action->actions_before = NULL;
action->actions_after = NULL;
action->pseudo = FALSE;
action->dumped = FALSE;
action->processed = FALSE;
action->seen_count = 0;
*/
action->extra = g_hash_table_new_full(crm_str_hash, g_str_equal, free, free);
action->meta = g_hash_table_new_full(crm_str_hash, g_str_equal, free, free);
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 == FALSE) {
pe_rsc_trace(rsc, "Unset optional on %s", action->uuid);
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_set_action_bit(action, pe_action_have_node_attrs);
unpack_instance_attributes(data_set->input, action->op_entry, XML_TAG_ATTR_SETS,
action->node->details->attrs,
action->extra, NULL, FALSE, data_set->now);
}
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) == 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 (action->node->details->online == FALSE) {
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) {
pe_fence_node(data_set, action->node, "because node is unclean");
}
} else if (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_set_action_bit(action, pe_action_runnable);
#if 0
/*
* No point checking this
* - if we dont 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_clear_action_bit(action, pe_action_runnable);
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_clear_action_bit(action, pe_action_runnable);
pe_rsc_debug(rsc, "%s\t%s (cancelled : quorum freeze)",
action->node->details->uname, action->uuid);
}
} else {
pe_rsc_trace(rsc, "Action %s is runnable", action->uuid);
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(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")) {
crm_config_err("on-fail=standby is not allowed for stop actions: %s", 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 = NULL;
const char *enabled = NULL;
CRM_CHECK(action->rsc != NULL, return NULL);
for (operation = __xml_first_child(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 = 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_get_interval(interval) <= 0) {
continue;
}
value = on_fail;
}
}
return value;
}
static xmlNode *
find_min_interval_mon(resource_t * rsc, gboolean include_disabled)
{
int number = 0;
int min_interval = -1;
const char *name = NULL;
const char *value = NULL;
const char *interval = NULL;
xmlNode *op = NULL;
xmlNode *operation = NULL;
for (operation = __xml_first_child(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 = 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;
}
number = crm_get_interval(interval);
if (number < 0) {
continue;
}
if (min_interval < 0 || number < min_interval) {
min_interval = number;
op = operation;
}
}
}
return op;
}
void
unpack_operation(action_t * action, xmlNode * xml_obj, resource_t * container,
pe_working_set_t * data_set)
{
int value_i = 0;
unsigned long long interval = 0;
unsigned long long start_delay = 0;
char *value_ms = NULL;
const char *value = NULL;
const char *field = NULL;
CRM_CHECK(action->rsc != NULL, return);
unpack_instance_attributes(data_set->input, data_set->op_defaults, XML_TAG_META_SETS, NULL,
action->meta, NULL, FALSE, data_set->now);
if (xml_obj) {
xmlAttrPtr xIter = NULL;
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));
}
}
unpack_instance_attributes(data_set->input, xml_obj, XML_TAG_META_SETS,
NULL, action->meta, NULL, FALSE, data_set->now);
unpack_instance_attributes(data_set->input, xml_obj, XML_TAG_ATTR_SETS,
NULL, action->meta, NULL, FALSE, data_set->now);
g_hash_table_remove(action->meta, "id");
field = XML_LRM_ATTR_INTERVAL;
value = g_hash_table_lookup(action->meta, field);
if (value != NULL) {
interval = crm_get_interval(value);
if (interval > 0) {
value_ms = crm_itoa(interval);
g_hash_table_replace(action->meta, strdup(field), value_ms);
} else {
g_hash_table_remove(action->meta, field);
}
}
/* Begin compatibility code ("requires" set on start action not resource) */
value = g_hash_table_lookup(action->meta, "requires");
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 (safe_str_eq(value, "nothing")) {
action->needs = rsc_req_nothing;
} else if (safe_str_eq(value, "quorum")) {
action->needs = rsc_req_quorum;
} else if (safe_str_eq(value, "unfencing")) {
action->needs = rsc_req_stonith;
set_bit(action->rsc->flags, pe_rsc_needs_unfencing);
if (is_not_set(data_set->flags, pe_flag_stonith_enabled)) {
crm_notice("%s requires unfencing but fencing is disabled", action->rsc->id);
}
} else if (is_set(data_set->flags, pe_flag_stonith_enabled)
&& safe_str_eq(value, "fencing")) {
action->needs = rsc_req_stonith;
if (is_not_set(data_set->flags, pe_flag_stonith_enabled)) {
crm_notice("%s requires fencing but fencing is disabled", action->rsc->id);
}
/* End compatibility code */
} 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->task, 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"));
} 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) {
crm_config_err("Specifying on_fail=fence and" " stonith-enabled=false makes no sense");
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 baremetal remote nodes, ensure that any failure that results in
* dropping an active connection to a remote node results in fencing of
* the remote 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_rsc_baremetal_remote_node(action->rsc, data_set) &&
!(safe_str_eq(action->task, CRMD_ACTION_STATUS) && interval == 0) &&
(safe_str_neq(action->task, CRMD_ACTION_START))) {
if (is_set(data_set->flags, pe_flag_stonith_enabled)) {
value = "fence baremetal remote node (default)";
} else {
value = "recover baremetal remote node connection (default)";
}
if (action->rsc->remote_reconnect_interval) {
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 != 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));
field = XML_OP_ATTR_START_DELAY;
value = g_hash_table_lookup(action->meta, field);
if (value != NULL) {
value_i = crm_get_msec(value);
if (value_i < 0) {
value_i = 0;
}
start_delay = value_i;
value_ms = crm_itoa(value_i);
g_hash_table_replace(action->meta, strdup(field), value_ms);
} else if (interval > 0 && g_hash_table_lookup(action->meta, XML_OP_ATTR_ORIGIN)) {
crm_time_t *origin = NULL;
value = g_hash_table_lookup(action->meta, XML_OP_ATTR_ORIGIN);
origin = crm_time_new(value);
if (origin == NULL) {
crm_config_err("Operation %s contained an invalid " XML_OP_ATTR_ORIGIN ": %s",
ID(xml_obj), value);
} else {
crm_time_t *delay = NULL;
int rc = crm_time_compare(origin, data_set->now);
long long delay_s = 0;
int interval_s = (interval / 1000);
crm_trace("Origin: %s, interval: %d", value, interval_s);
/* If 'origin' is in the future, find the most recent "multiple" that occurred in the past */
while(rc > 0) {
crm_time_add_seconds(origin, -interval_s);
rc = crm_time_compare(origin, data_set->now);
}
/* Now find the first "multiple" that occurs after 'now' */
while (rc < 0) {
crm_time_add_seconds(origin, interval_s);
rc = crm_time_compare(origin, data_set->now);
}
delay = crm_time_calculate_duration(origin, data_set->now);
crm_time_log(LOG_TRACE, "origin", origin,
crm_time_log_date | crm_time_log_timeofday |
crm_time_log_with_timezone);
crm_time_log(LOG_TRACE, "now", data_set->now,
crm_time_log_date | crm_time_log_timeofday |
crm_time_log_with_timezone);
crm_time_log(LOG_TRACE, "delay", delay, crm_time_log_duration);
delay_s = crm_time_get_seconds(delay);
CRM_CHECK(delay_s >= 0, delay_s = 0);
start_delay = delay_s * 1000;
crm_info("Calculated a start delay of %llds for %s", delay_s, ID(xml_obj));
g_hash_table_replace(action->meta, strdup(XML_OP_ATTR_START_DELAY),
crm_itoa(start_delay));
crm_time_free(origin);
crm_time_free(delay);
}
}
field = XML_ATTR_TIMEOUT;
value = g_hash_table_lookup(action->meta, field);
if (value == NULL && xml_obj == NULL && safe_str_eq(action->task, RSC_STATUS) && interval == 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);
pe_rsc_trace(action->rsc,
"\t%s uses the timeout value '%s' from the minimum interval monitor",
action->uuid, value);
}
}
if (value == NULL) {
value = pe_pref(data_set->config_hash, "default-action-timeout");
}
value_i = crm_get_msec(value);
if (value_i < 0) {
value_i = 0;
}
value_ms = crm_itoa(value_i);
g_hash_table_replace(action->meta, strdup(field), value_ms);
}
static xmlNode *
find_rsc_op_entry_helper(resource_t * rsc, const char *key, gboolean include_disabled)
{
unsigned long long number = 0;
gboolean do_retry = TRUE;
char *local_key = NULL;
const char *name = NULL;
const char *value = NULL;
const char *interval = NULL;
char *match_key = NULL;
xmlNode *op = NULL;
xmlNode *operation = NULL;
retry:
for (operation = __xml_first_child(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 = crm_element_value(operation, XML_LRM_ATTR_INTERVAL);
value = crm_element_value(operation, "enabled");
if (!include_disabled && value && crm_is_true(value) == FALSE) {
continue;
}
number = crm_get_interval(interval);
match_key = generate_op_key(rsc->id, name, number);
if (safe_str_eq(key, match_key)) {
op = operation;
}
free(match_key);
if (rsc->clone_name) {
match_key = generate_op_key(rsc->clone_name, name, number);
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 = generate_op_key(rsc->id, "migrate", 0);
key = local_key;
goto retry;
} else if (strstr(key, "_notify_")) {
local_key = generate_op_key(rsc->id, "notify", 0);
key = local_key;
goto retry;
}
return NULL;
}
xmlNode *
find_rsc_op_entry(resource_t * rsc, const char *key)
{
return find_rsc_op_entry_helper(rsc, key, FALSE);
}
void
print_node(const char *pre_text, 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) {
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) {
resource_t *rsc = (resource_t *) gIter->data;
print_resource(LOG_DEBUG_4, "\t\t", rsc, FALSE);
}
}
}
/*
* 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
print_resource(int log_level, const char *pre_text, resource_t * rsc, gboolean details)
{
long options = pe_print_log | pe_print_pending;
if (rsc == NULL) {
do_crm_log(log_level - 1, "%s%s: <NULL>",
pre_text == NULL ? "" : pre_text, pre_text == NULL ? "" : ": ");
return;
}
if (details) {
options |= pe_print_details;
}
rsc->fns->print(rsc, pre_text, options, &log_level);
}
void
pe_free_action(action_t * action)
{
if (action == NULL) {
return;
}
g_list_free_full(action->actions_before, free); /* action_warpper_t* */
g_list_free_full(action->actions_after, free); /* action_warpper_t* */
if (action->extra) {
g_hash_table_destroy(action->extra);
}
if (action->meta) {
g_hash_table_destroy(action->meta);
}
free(action->cancel_task);
free(action->task);
free(action->uuid);
free(action->node);
free(action);
}
GListPtr
find_recurring_actions(GListPtr input, 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) {
action_t *action = (action_t *) gIter->data;
value = g_hash_table_lookup(action->meta, XML_LRM_ATTR_INTERVAL);
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(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;
}
action_t *
find_first_action(GListPtr input, const char *uuid, const char *task, node_t * on_node)
{
GListPtr gIter = NULL;
CRM_CHECK(uuid || task, return NULL);
for (gIter = input; gIter != NULL; gIter = gIter->next) {
action_t *action = (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 node_t *on_node)
{
GListPtr gIter = input;
GListPtr result = NULL;
CRM_CHECK(key != NULL, return NULL);
for (; gIter != NULL; gIter = gIter->next) {
action_t *action = (action_t *) gIter->data;
- crm_trace("Matching %s against %s", key, action->uuid);
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) {
- /* skip */
- crm_trace("While looking for %s action on %s, "
- "found an unallocated one. Assigning"
- " it to the requested node...", key, on_node->details->uname);
+ crm_trace("Action %s matches (unallocated, assigning to %s)",
+ key, on_node->details->uname);
action->node = node_copy(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;
}
GListPtr
find_actions_exact(GListPtr input, const char *key, node_t * on_node)
{
GListPtr gIter = input;
GListPtr result = NULL;
CRM_CHECK(key != NULL, return NULL);
for (; gIter != NULL; gIter = gIter->next) {
action_t *action = (action_t *) gIter->data;
crm_trace("Matching %s against %s", key, action->uuid);
if (safe_str_neq(key, action->uuid)) {
crm_trace("Key mismatch: %s vs. %s", key, action->uuid);
continue;
} else if (on_node == NULL || action->node == NULL) {
crm_trace("on_node=%p, action->node=%p", on_node, action->node);
continue;
} else if (safe_str_eq(on_node->details->id, action->node->details->id)) {
result = g_list_prepend(result, action);
}
crm_trace("Node mismatch: %s vs. %s", on_node->details->id, action->node->details->id);
}
return result;
}
static void
resource_node_score(resource_t * rsc, node_t * node, int score, const char *tag)
{
node_t *match = NULL;
if (rsc->children) {
GListPtr gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child_rsc = (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 = node_copy(node);
match->weight = merge_weights(score, node->weight);
g_hash_table_insert(rsc->allowed_nodes, (gpointer) match->details->id, match);
}
match->weight = merge_weights(match->weight, score);
}
void
resource_location(resource_t * rsc, 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) {
node_t *node = (node_t *) gIter->data;
resource_node_score(rsc, node, score, tag);
}
} else {
GHashTableIter iter;
node_t *node = NULL;
g_hash_table_iter_init(&iter, rsc->allowed_nodes);
while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) {
resource_node_score(rsc, node, 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_const(xml_a, XML_ATTR_ID);
const char *b_xml_id = crm_element_value_const(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 unliklely to be a good thing
* - we can handle it easily enough, but we need to get
* to the bottom of why its happening.
*/
pe_err("Duplicate lrm_rsc_op entries named %s", a_xml_id);
sort_return(0, "duplicate");
}
crm_element_value_const_int(xml_a, XML_LRM_ATTR_CALLID, &a_call_id);
crm_element_value_const_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
*/
int last_a = -1;
int last_b = -1;
crm_element_value_const_int(xml_a, XML_RSC_OP_LAST_CHANGE, &last_a);
crm_element_value_const_int(xml_b, XML_RSC_OP_LAST_CHANGE, &last_b);
crm_trace("rc-change: %d vs %d", last_a, 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;
int dummy = -1;
const char *a_magic = crm_element_value_const(xml_a, XML_ATTR_TRANSITION_MAGIC);
const char *b_magic = crm_element_value_const(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, &dummy, &dummy, &dummy, &dummy)) {
sort_return(0, "bad magic a");
}
if(!decode_transition_magic(b_magic, &b_uuid, &b_id, &dummy, &dummy, &dummy, &dummy)) {
sort_return(0, "bad magic b");
}
/* try to determine the relative age of the operation...
* some pending operations (ie. a start) may have been superseded
* by a subsequent stop
*
* [a|b]_id == -1 means its 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 dont 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);
}
struct fail_search {
resource_t *rsc;
pe_working_set_t * data_set;
int count;
long long last;
char *key;
};
static void
get_failcount_by_prefix(gpointer key_p, gpointer value, gpointer user_data)
{
struct fail_search *search = user_data;
const char *attr_id = key_p;
const char *match = strstr(attr_id, search->key);
resource_t *parent = NULL;
if (match == NULL) {
return;
}
/* we are only incrementing the failcounts here if the rsc
* that matches our prefix has the same uber parent as the rsc we're
* calculating the failcounts for. This prevents false positive matches
* where unrelated resources may have similar prefixes in their names.
*
* search->rsc is already set to be the uber parent. */
parent = uber_parent(pe_find_resource(search->data_set->resources, match));
if (parent == NULL || parent != search->rsc) {
return;
}
if (strstr(attr_id, "last-failure-") == attr_id) {
search->last = crm_int_helper(value, NULL);
} else if (strstr(attr_id, "fail-count-") == attr_id) {
search->count += char2score(value);
}
}
int
get_failcount(node_t * node, resource_t * rsc, time_t *last_failure, pe_working_set_t * data_set)
{
return get_failcount_full(node, rsc, last_failure, TRUE, NULL, data_set);
}
static gboolean
is_matched_failure(const char * rsc_id, xmlNode * conf_op_xml, xmlNode * lrm_op_xml)
{
gboolean matched = FALSE;
const char *conf_op_name = NULL;
int conf_op_interval = 0;
const char *lrm_op_task = NULL;
int lrm_op_interval = 0;
const char *lrm_op_id = NULL;
char *last_failure_key = NULL;
if (rsc_id == NULL || conf_op_xml == NULL || lrm_op_xml == NULL) {
return FALSE;
}
conf_op_name = crm_element_value(conf_op_xml, "name");
conf_op_interval = crm_get_msec(crm_element_value(conf_op_xml, "interval"));
lrm_op_task = crm_element_value(lrm_op_xml, XML_LRM_ATTR_TASK);
crm_element_value_int(lrm_op_xml, XML_LRM_ATTR_INTERVAL, &lrm_op_interval);
if (safe_str_eq(conf_op_name, lrm_op_task) == FALSE
|| conf_op_interval != lrm_op_interval) {
return FALSE;
}
lrm_op_id = ID(lrm_op_xml);
last_failure_key = generate_op_key(rsc_id, "last_failure", 0);
if (safe_str_eq(last_failure_key, lrm_op_id)) {
matched = TRUE;
} else {
char *expected_op_key = generate_op_key(rsc_id, conf_op_name, conf_op_interval);
if (safe_str_eq(expected_op_key, lrm_op_id)) {
int rc = 0;
int target_rc = get_target_rc(lrm_op_xml);
crm_element_value_int(lrm_op_xml, XML_LRM_ATTR_RC, &rc);
if (rc != target_rc) {
matched = TRUE;
}
}
free(expected_op_key);
}
free(last_failure_key);
return matched;
}
static gboolean
block_failure(node_t * node, resource_t * rsc, xmlNode * xml_op, pe_working_set_t * data_set)
{
char *xml_name = clone_strip(rsc->id);
char *xpath = crm_strdup_printf("//primitive[@id='%s']//op[@on-fail='block']", xml_name);
xmlXPathObject *xpathObj = xpath_search(rsc->xml, xpath);
gboolean should_block = FALSE;
free(xpath);
if (xpathObj) {
int max = numXpathResults(xpathObj);
int lpc = 0;
for (lpc = 0; lpc < max; lpc++) {
xmlNode *pref = getXpathResult(xpathObj, lpc);
if (xml_op) {
should_block = is_matched_failure(xml_name, pref, xml_op);
if (should_block) {
break;
}
} else {
const char *conf_op_name = NULL;
int conf_op_interval = 0;
char *lrm_op_xpath = NULL;
xmlXPathObject *lrm_op_xpathObj = NULL;
conf_op_name = crm_element_value(pref, "name");
conf_op_interval = crm_get_msec(crm_element_value(pref, "interval"));
lrm_op_xpath = crm_strdup_printf("//node_state[@uname='%s']"
"//lrm_resource[@id='%s']"
"/lrm_rsc_op[@operation='%s'][@interval='%d']",
node->details->uname, xml_name,
conf_op_name, conf_op_interval);
lrm_op_xpathObj = xpath_search(data_set->input, lrm_op_xpath);
free(lrm_op_xpath);
if (lrm_op_xpathObj) {
int max2 = numXpathResults(lrm_op_xpathObj);
int lpc2 = 0;
for (lpc2 = 0; lpc2 < max2; lpc2++) {
xmlNode *lrm_op_xml = getXpathResult(lrm_op_xpathObj, lpc2);
should_block = is_matched_failure(xml_name, pref, lrm_op_xml);
if (should_block) {
break;
}
}
}
freeXpathObject(lrm_op_xpathObj);
if (should_block) {
break;
}
}
}
}
free(xml_name);
freeXpathObject(xpathObj);
return should_block;
}
int
get_failcount_full(node_t * node, resource_t * rsc, time_t *last_failure,
bool effective, xmlNode * xml_op, pe_working_set_t * data_set)
{
char *key = NULL;
const char *value = NULL;
struct fail_search search = { rsc, data_set, 0, 0, NULL };
/* Optimize the "normal" case */
key = crm_concat("fail-count", rsc->clone_name ? rsc->clone_name : rsc->id, '-');
value = g_hash_table_lookup(node->details->attrs, key);
search.count = char2score(value);
crm_trace("%s = %s", key, value);
free(key);
if (value) {
key = crm_concat("last-failure", rsc->clone_name ? rsc->clone_name : rsc->id, '-');
value = g_hash_table_lookup(node->details->attrs, key);
search.last = crm_int_helper(value, NULL);
free(key);
/* This block is still relevant once we omit anonymous instance numbers
* because stopped clones won't have clone_name set
*/
} else if (is_not_set(rsc->flags, pe_rsc_unique)) {
search.rsc = uber_parent(rsc);
search.key = clone_strip(rsc->id);
g_hash_table_foreach(node->details->attrs, get_failcount_by_prefix, &search);
free(search.key);
search.key = NULL;
}
if (search.count != 0 && search.last != 0 && last_failure) {
*last_failure = search.last;
}
if(search.count && rsc->failure_timeout) {
/* Never time-out if blocking failures are configured */
if (block_failure(node, rsc, xml_op, data_set)) {
pe_warn("Setting %s.failure-timeout=%d conflicts with on-fail=block: ignoring timeout", rsc->id, rsc->failure_timeout);
rsc->failure_timeout = 0;
#if 0
/* A good idea? */
} else if (rsc->container == NULL && is_not_set(data_set->flags, pe_flag_stonith_enabled)) {
/* In this case, stop.on-fail defaults to block in unpack_operation() */
rsc->failure_timeout = 0;
#endif
}
}
if (effective && search.count != 0 && search.last != 0 && rsc->failure_timeout) {
if (search.last > 0) {
time_t now = get_effective_time(data_set);
if (now > (search.last + rsc->failure_timeout)) {
crm_debug("Failcount for %s on %s has expired (limit was %ds)",
search.rsc->id, node->details->uname, rsc->failure_timeout);
search.count = 0;
}
}
}
if (search.count != 0) {
char *score = score2char(search.count);
crm_info("%s has failed %s times on %s", search.rsc->id, score, node->details->uname);
free(score);
}
return search.count;
}
/* If it's a resource container, get its failcount plus all the failcounts of the resources within it */
int
get_failcount_all(node_t * node, resource_t * rsc, time_t *last_failure, pe_working_set_t * data_set)
{
int failcount_all = 0;
failcount_all = get_failcount(node, rsc, last_failure, data_set);
if (rsc->fillers) {
GListPtr gIter = NULL;
for (gIter = rsc->fillers; gIter != NULL; gIter = gIter->next) {
resource_t *filler = (resource_t *) gIter->data;
time_t filler_last_failure = 0;
failcount_all += get_failcount(node, filler, &filler_last_failure, data_set);
if (last_failure && filler_last_failure > *last_failure) {
*last_failure = filler_last_failure;
}
}
if (failcount_all != 0) {
char *score = score2char(failcount_all);
crm_info("Container %s and the resources within it have failed %s times on %s",
rsc->id, score, node->details->uname);
free(score);
}
}
return failcount_all;
}
gboolean
get_target_role(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) {
crm_config_err("%s: Unknown value for %s: %s", rsc->id, XML_RSC_ATTR_TARGET_ROLE, value);
return FALSE;
} else if (local_role > RSC_ROLE_STARTED) {
if (uber_parent(rsc)->variant == pe_master) {
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 {
crm_config_err("%s is not part of a master/slave resource, a %s of '%s' makes no sense",
rsc->id, XML_RSC_ATTR_TARGET_ROLE, value);
return FALSE;
}
}
*role = local_role;
return TRUE;
}
gboolean
order_actions(action_t * lh_action, action_t * rh_action, enum pe_ordering order)
{
GListPtr gIter = NULL;
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... its 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) {
action_wrapper_t *after = (action_wrapper_t *) gIter->data;
if (after->action == rh_action && (after->type & order)) {
return FALSE;
}
}
wrapper = calloc(1, sizeof(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(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;
}
action_t *
get_pseudo_op(const char *name, pe_working_set_t * data_set)
{
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)
{
ticket_t *ticket = data;
if (ticket->state) {
g_hash_table_destroy(ticket->state);
}
free(ticket->id);
free(ticket);
}
ticket_t *
ticket_new(const char *ticket_id, pe_working_set_t * data_set)
{
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, g_hash_destroy_str, destroy_ticket);
}
ticket = g_hash_table_lookup(data_set->tickets, ticket_id);
if (ticket == NULL) {
ticket = calloc(1, sizeof(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 = g_hash_table_new_full(crm_str_hash, g_str_equal,
g_hash_destroy_str, g_hash_destroy_str);
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)
{
int len = 0;
char *name = NULL;
char *match = NULL;
if (param_set == NULL) {
return;
}
if (param_set) {
xmlAttrPtr xIter = param_set->properties;
while (xIter) {
const char *prop_name = (const char *)xIter->name;
xIter = xIter->next;
name = NULL;
len = strlen(prop_name) + 3;
name = malloc(len);
if(name) {
sprintf(name, " %s ", prop_name);
name[len - 1] = 0;
match = strstr(param_string, name);
}
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);
}
free(name);
}
}
}
op_digest_cache_t *
rsc_action_digest_cmp(resource_t * rsc, xmlNode * xml_op, node_t * node,
pe_working_set_t * data_set)
{
op_digest_cache_t *data = NULL;
GHashTable *local_rsc_params = NULL;
action_t *action = NULL;
char *key = NULL;
int interval = 0;
const char *op_id = ID(xml_op);
const char *interval_s = crm_element_value(xml_op, XML_LRM_ATTR_INTERVAL);
const char *task = crm_element_value(xml_op, XML_LRM_ATTR_TASK);
const char *digest_all;
const char *digest_restart;
const char *secure_list;
const char *restart_list;
const char *op_version;
data = g_hash_table_lookup(node->details->digest_cache, op_id);
if (data) {
return data;
}
data = calloc(1, sizeof(op_digest_cache_t));
digest_all = crm_element_value(xml_op, XML_LRM_ATTR_OP_DIGEST);
digest_restart = crm_element_value(xml_op, XML_LRM_ATTR_RESTART_DIGEST);
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);
/* key is freed in custom_action */
interval = crm_parse_int(interval_s, "0");
key = generate_op_key(rsc->id, task, interval);
action = custom_action(rsc, key, task, node, TRUE, FALSE, data_set);
key = NULL;
local_rsc_params = g_hash_table_new_full(crm_str_hash, g_str_equal,
g_hash_destroy_str, g_hash_destroy_str);
get_rsc_attributes(local_rsc_params, rsc, node, data_set);
data->params_all = create_xml_node(NULL, XML_TAG_PARAMS);
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);
filter_action_parameters(data->params_all, op_version);
data->digest_all_calc = calculate_operation_digest(data->params_all, op_version);
if (secure_list && is_set(data_set->flags, pe_flag_sanitized)) {
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 (digest_restart) {
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);
}
data->rc = RSC_DIGEST_MATCH;
if (digest_restart && strcmp(data->digest_restart_calc, digest_restart) != 0) {
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) {
data->rc = RSC_DIGEST_ALL;
}
g_hash_table_insert(node->details->digest_cache, strdup(op_id), data);
g_hash_table_destroy(local_rsc_params);
pe_free_action(action);
return data;
}
const char *rsc_printable_id(resource_t *rsc)
{
if (is_not_set(rsc->flags, pe_rsc_unique)) {
return ID(rsc->xml);
}
return rsc->id;
}
void
clear_bit_recursive(resource_t * rsc, unsigned long long flag)
{
GListPtr gIter = rsc->children;
clear_bit(rsc->flags, flag);
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child_rsc = (resource_t *) gIter->data;
clear_bit_recursive(child_rsc, flag);
}
}
void
set_bit_recursive(resource_t * rsc, unsigned long long flag)
{
GListPtr gIter = rsc->children;
set_bit(rsc->flags, flag);
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child_rsc = (resource_t *) gIter->data;
set_bit_recursive(child_rsc, flag);
}
}
action_t *
pe_fence_op(node_t * node, const char *op, bool optional, pe_working_set_t * data_set)
{
char *key = NULL;
action_t *stonith_op = NULL;
if(op == NULL) {
op = data_set->stonith_action;
}
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, key);
}
if(stonith_op == NULL) {
stonith_op = custom_action(NULL, key, CRM_OP_FENCE, node, optional, 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);
} else {
free(key);
}
if(optional == FALSE) {
crm_trace("%s is no longer optional", stonith_op->uuid);
pe_clear_action_bit(stonith_op, pe_action_optional);
}
return stonith_op;
}
void
trigger_unfencing(
resource_t * rsc, node_t *node, const char *reason, 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)) {
/* Wasnt a stonith device */
return;
} else if(node
&& node->details->online
&& node->details->unclean == FALSE
&& node->details->shutdown == FALSE) {
action_t *unfence = pe_fence_op(node, "on", FALSE, data_set);
crm_notice("Unfencing %s: %s", node->details->uname, reason);
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)
{
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(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;
}