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diff --git a/include/crm/pengine/internal.h b/include/crm/pengine/internal.h
index 50443d6df3..3581fed0b5 100644
--- a/include/crm/pengine/internal.h
+++ b/include/crm/pengine/internal.h
@@ -1,231 +1,234 @@
/*
* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This software 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
* General Public License for more details.
*
* You should have received a copy of the GNU 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
*/
#ifndef PE_INTERNAL__H
# define PE_INTERNAL__H
# include <crm/pengine/status.h>
# define pe_rsc_info(rsc, fmt, args...) crm_log_tag(LOG_INFO, rsc->id, fmt, ##args)
# define pe_rsc_debug(rsc, fmt, args...) crm_log_tag(LOG_DEBUG, rsc->id, fmt, ##args)
# define pe_rsc_trace(rsc, fmt, args...) crm_log_tag(LOG_TRACE, rsc->id, 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__, action->uuid, action->flags, bit)
# define pe_clear_action_bit(action, bit) action->flags = crm_clear_bit(__FUNCTION__, action->uuid, action->flags, bit)
typedef struct notify_data_s {
GHashTable *keys;
const char *action;
action_t *pre;
action_t *post;
action_t *pre_done;
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* */
} notify_data_t;
int merge_weights(int w1, int w2);
void add_hash_param(GHashTable * hash, const char *name, const char *value);
void append_hashtable(gpointer key, gpointer value, gpointer user_data);
char *native_parameter(resource_t * rsc, node_t * node, gboolean create, const char *name,
pe_working_set_t * data_set);
node_t *native_location(resource_t * rsc, GListPtr * list, gboolean current);
void pe_metadata(void);
void verify_pe_options(GHashTable * options);
void common_update_score(resource_t * rsc, const char *id, int score);
void native_add_running(resource_t * rsc, node_t * node, pe_working_set_t * data_set);
node_t *rsc_known_on(resource_t * rsc, GListPtr * list);
gboolean native_unpack(resource_t * rsc, pe_working_set_t * data_set);
gboolean group_unpack(resource_t * rsc, pe_working_set_t * data_set);
gboolean clone_unpack(resource_t * rsc, pe_working_set_t * data_set);
gboolean master_unpack(resource_t * rsc, pe_working_set_t * data_set);
resource_t *native_find_rsc(resource_t * rsc, const char *id, node_t * node, int flags);
gboolean native_active(resource_t * rsc, gboolean all);
gboolean group_active(resource_t * rsc, gboolean all);
gboolean clone_active(resource_t * rsc, gboolean all);
gboolean master_active(resource_t * rsc, gboolean all);
void native_print(resource_t * rsc, const char *pre_text, long options, void *print_data);
void group_print(resource_t * rsc, const char *pre_text, long options, void *print_data);
void clone_print(resource_t * rsc, const char *pre_text, long options, void *print_data);
void master_print(resource_t * rsc, const char *pre_text, long options, void *print_data);
void native_free(resource_t * rsc);
void group_free(resource_t * rsc);
void clone_free(resource_t * rsc);
void master_free(resource_t * rsc);
enum rsc_role_e native_resource_state(const resource_t * rsc, gboolean current);
enum rsc_role_e group_resource_state(const resource_t * rsc, gboolean current);
enum rsc_role_e clone_resource_state(const resource_t * rsc, gboolean current);
enum rsc_role_e master_resource_state(const resource_t * rsc, gboolean current);
gboolean common_unpack(
xmlNode * xml_obj, resource_t ** rsc, resource_t * parent, pe_working_set_t * data_set);
void common_print(resource_t * rsc, const char *pre_text, long options, void *print_data);
void common_free(resource_t * rsc);
extern pe_working_set_t *pe_dataset;
extern node_t *node_copy(node_t * this_node);
extern time_t get_timet_now(pe_working_set_t * data_set);
extern int get_failcount(node_t * node, resource_t * rsc, int *last_failure,
pe_working_set_t * data_set);
/* Binary like operators for lists of nodes */
extern void node_list_exclude(GHashTable * list, GListPtr list2, gboolean merge_scores);
extern GListPtr node_list_dup(GListPtr list, gboolean reset, gboolean filter);
extern GListPtr node_list_from_hash(GHashTable * hash, gboolean reset, gboolean filter);
extern GHashTable *node_hash_from_list(GListPtr list);
static inline gpointer
pe_hash_table_lookup(GHashTable * hash, gconstpointer key)
{
if (hash) {
return g_hash_table_lookup(hash, key);
}
return NULL;
}
extern action_t *get_pseudo_op(const char *name, pe_working_set_t * data_set);
extern gboolean order_actions(action_t * lh_action, action_t * rh_action, enum pe_ordering order);
extern GListPtr node_list_and(GListPtr list1, GListPtr list2, gboolean filter);
extern GListPtr node_list_xor(GListPtr list1, GListPtr list2, gboolean filter);
extern GListPtr node_list_minus(GListPtr list1, GListPtr list2, gboolean filter);
extern void pe_free_shallow(GListPtr alist);
extern void pe_free_shallow_adv(GListPtr alist, gboolean with_data);
/* For creating the transition graph */
extern xmlNode *action2xml(action_t * action, gboolean as_input);
/* Printing functions for debug */
extern void print_node(const char *pre_text, node_t * node, gboolean details);
extern void print_resource(int log_level, const char *pre_text, resource_t * rsc, gboolean details);
extern void dump_node_scores_worker(int level, const char *file, const char *function, int line,
resource_t * rsc, const char *comment, GHashTable * nodes);
extern void dump_node_capacity(int level, const char *comment, node_t * node);
extern void dump_rsc_utilization(int level, const char *comment, resource_t * rsc, node_t * node);
# define dump_node_scores(level, rsc, text, nodes) do { \
dump_node_scores_worker(level, __FILE__, __FUNCTION__, __LINE__, rsc, text, nodes); \
} while(0)
/* 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(resource_t * rsc, const char *key);
extern action_t *custom_action(resource_t * rsc, char *key, const char *task, node_t * on_node,
gboolean optional, gboolean foo, pe_working_set_t * data_set);
# define delete_key(rsc) generate_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) generate_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) generate_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 start_key(rsc) generate_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) generate_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) generate_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) generate_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) generate_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) generate_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 action_t *find_first_action(GListPtr input, const char *uuid, const char *task,
node_t * on_node);
extern enum action_tasks get_complex_task(resource_t * rsc, const char *name,
gboolean allow_non_atomic);
extern GListPtr find_actions(GListPtr input, const char *key, node_t * on_node);
extern GListPtr find_actions_exact(GListPtr input, const char *key, node_t * on_node);
extern GListPtr find_recurring_actions(GListPtr input, node_t * not_on_node);
extern void pe_free_action(action_t * action);
extern void resource_location(
resource_t * rsc, 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(resource_t * rsc, enum rsc_role_e *role);
extern resource_t *find_clone_instance(resource_t * rsc, const char *sub_id,
pe_working_set_t * data_set);
extern void destroy_ticket(gpointer data);
extern ticket_t *ticket_new(const char * ticket_id, pe_working_set_t * data_set);
+char *clone_strip(const char *last_rsc_id);
+char *clone_zero(const char *last_rsc_id);
+
#endif
diff --git a/lib/pengine/native.c b/lib/pengine/native.c
index da28bc98dc..c1754990ca 100644
--- a/lib/pengine/native.c
+++ b/lib/pengine/native.c
@@ -1,562 +1,571 @@
/*
* 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/pengine/rules.h>
#include <crm/pengine/status.h>
#include <crm/pengine/complex.h>
#include <crm/pengine/internal.h>
#include <unpack.h>
#include <crm/msg_xml.h>
#define VARIANT_NATIVE 1
#include "./variant.h"
void
native_add_running(resource_t * rsc, node_t * node, pe_working_set_t * data_set)
{
GListPtr gIter = rsc->running_on;
CRM_CHECK(node != NULL, return);
for (; gIter != NULL; gIter = gIter->next) {
node_t *a_node = (node_t *) gIter->data;
CRM_CHECK(a_node != NULL, return);
if (safe_str_eq(a_node->details->id, node->details->id)) {
return;
}
}
crm_trace("Adding %s to %s", rsc->id, node->details->uname);
rsc->running_on = g_list_append(rsc->running_on, node);
if (rsc->variant == pe_native) {
node->details->running_rsc = g_list_append(node->details->running_rsc, rsc);
}
if (is_not_set(rsc->flags, pe_rsc_managed)) {
crm_info("resource %s isnt managed", rsc->id);
resource_location(rsc, node, INFINITY, "not_managed_default", data_set);
return;
}
if (rsc->variant == pe_native && g_list_length(rsc->running_on) > 1) {
switch (rsc->recovery_type) {
case recovery_stop_only:
{
GHashTableIter gIter;
node_t *local_node = NULL;
/* make sure it doesnt come up again */
g_hash_table_destroy(rsc->allowed_nodes);
rsc->allowed_nodes = node_hash_from_list(data_set->nodes);
g_hash_table_iter_init(&gIter, rsc->allowed_nodes);
while (g_hash_table_iter_next(&gIter, NULL, (void **)&local_node)) {
local_node->weight = -INFINITY;
}
}
break;
case recovery_stop_start:
break;
case recovery_block:
clear_bit(rsc->flags, pe_rsc_managed);
set_bit(rsc->flags, pe_rsc_block);
break;
}
crm_debug("%s is active on %d nodes including %s: %s",
rsc->id, g_list_length(rsc->running_on), node->details->uname,
recovery2text(rsc->recovery_type));
} else {
crm_trace("Resource %s is active on: %s", rsc->id, node->details->uname);
}
if (rsc->parent != NULL) {
native_add_running(rsc->parent, node, data_set);
}
}
extern void force_non_unique_clone(resource_t * rsc, const char *rid, pe_working_set_t * data_set);
gboolean
native_unpack(resource_t * rsc, pe_working_set_t * data_set)
{
native_variant_data_t *native_data = NULL;
crm_trace("Processing resource %s...", rsc->id);
native_data = calloc(1, sizeof(native_variant_data_t));
if (is_set(rsc->flags, pe_rsc_unique) && rsc->parent) {
const char *class = crm_element_value(rsc->xml, XML_AGENT_ATTR_CLASS);
if (safe_str_eq(class, "lsb")) {
resource_t *top = uber_parent(rsc);
force_non_unique_clone(top, rsc->id, data_set);
}
}
rsc->variant_opaque = native_data;
return TRUE;
}
resource_t *
native_find_rsc(resource_t * rsc, const char *id, node_t * on_node, int flags)
{
gboolean match = FALSE;
resource_t *result = NULL;
GListPtr gIter = rsc->children;
if (is_not_set(flags, pe_find_clone) && id == NULL) {
return NULL;
}
if (flags & pe_find_partial) {
if (strstr(rsc->id, id) == rsc->id) {
match = TRUE;
} else if (is_set(flags, pe_find_renamed) && rsc->clone_name
&& strstr(rsc->clone_name, id) == rsc->clone_name) {
match = TRUE;
}
} else if (flags & pe_find_clone) {
if (rsc->children != NULL) {
match = FALSE;
} else if (id == NULL) {
match = TRUE;
} else if (strstr(rsc->id, id)) {
match = TRUE;
} else if (is_set(flags, pe_find_renamed) && rsc->clone_name
&& strstr(rsc->clone_name, id) == rsc->clone_name) {
match = TRUE;
}
} else {
if (strcmp(rsc->id, id) == 0) {
match = TRUE;
} else if (is_set(flags, pe_find_renamed) && rsc->clone_name
&& strcmp(rsc->clone_name, id) == 0) {
match = TRUE;
+
+ } else if (rsc->parent && is_set(rsc->flags, pe_rsc_unique) == FALSE) {
+ const char *rid = ID(rsc->xml);
+ crm_trace("Checking %s against %s", rid, id);
+
+ if(safe_str_eq(rid, id)) {
+ match = TRUE;
+ }
}
}
if (match && on_node) {
+ crm_trace("Now checking %s is on %s", rsc->id, on_node->details->uname);
if (is_set(flags, pe_find_current) && rsc->running_on) {
GListPtr gIter = rsc->running_on;
for (; gIter != NULL; gIter = gIter->next) {
node_t *loc = (node_t *) gIter->data;
if (loc->details == on_node->details) {
return rsc;
}
}
} else if (is_set(flags, pe_find_inactive) && rsc->running_on == NULL) {
return rsc;
} else if (is_not_set(flags, pe_find_current) && rsc->allocated_to
&& rsc->allocated_to->details == on_node->details) {
return rsc;
}
} else if (match) {
return rsc;
}
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child = (resource_t *) gIter->data;
result = rsc->fns->find_rsc(child, id, on_node, flags);
if (result) {
return result;
}
}
return NULL;
}
char *
native_parameter(resource_t * rsc, node_t * node, gboolean create, const char *name,
pe_working_set_t * data_set)
{
char *value_copy = NULL;
const char *value = NULL;
GHashTable *hash = rsc->parameters;
GHashTable *local_hash = NULL;
CRM_CHECK(rsc != NULL, return NULL);
CRM_CHECK(name != NULL && strlen(name) != 0, return NULL);
crm_trace("Looking up %s in %s", name, rsc->id);
if (create || g_hash_table_size(rsc->parameters) == 0) {
if (node != NULL) {
crm_trace("Creating hash with node %s", node->details->uname);
} else {
crm_trace("Creating default hash");
}
local_hash = g_hash_table_new_full(crm_str_hash, g_str_equal,
g_hash_destroy_str, g_hash_destroy_str);
get_rsc_attributes(local_hash, rsc, node, data_set);
hash = local_hash;
}
value = g_hash_table_lookup(hash, name);
if (value == NULL) {
/* try meta attributes instead */
value = g_hash_table_lookup(rsc->meta, name);
}
if (value != NULL) {
value_copy = strdup(value);
}
if (local_hash != NULL) {
g_hash_table_destroy(local_hash);
}
return value_copy;
}
gboolean
native_active(resource_t * rsc, gboolean all)
{
GListPtr gIter = rsc->running_on;
for (; gIter != NULL; gIter = gIter->next) {
node_t *a_node = (node_t *) gIter->data;
if (a_node->details->unclean) {
crm_debug("Resource %s: node %s is unclean", rsc->id, a_node->details->uname);
return TRUE;
} else if (a_node->details->online == FALSE) {
crm_debug("Resource %s: node %s is offline", rsc->id, a_node->details->uname);
} else {
crm_debug("Resource %s active on %s", rsc->id, a_node->details->uname);
return TRUE;
}
}
return FALSE;
}
struct print_data_s {
long options;
void *print_data;
};
static void
native_print_attr(gpointer key, gpointer value, gpointer user_data)
{
long options = ((struct print_data_s *)user_data)->options;
void *print_data = ((struct print_data_s *)user_data)->print_data;
status_print("Option: %s = %s\n", (char *)key, (char *)value);
}
static void
native_print_xml(resource_t * rsc, const char *pre_text, long options, void *print_data)
{
const char *class = crm_element_value(rsc->xml, XML_AGENT_ATTR_CLASS);
const char *prov = crm_element_value(rsc->xml, XML_AGENT_ATTR_PROVIDER);
/* resource information. */
status_print("%s<resource ", pre_text);
status_print("id=\"%s\" ", rsc->id);
status_print("resource_agent=\"%s%s%s:%s\" ",
class,
prov ? "::" : "", prov ? prov : "", crm_element_value(rsc->xml, XML_ATTR_TYPE));
status_print("role=\"%s\" ", role2text(rsc->role));
status_print("active=\"%s\" ", rsc->fns->active(rsc, TRUE) ? "true" : "false");
status_print("orphaned=\"%s\" ", is_set(rsc->flags, pe_rsc_orphan) ? "true" : "false");
status_print("managed=\"%s\" ", is_set(rsc->flags, pe_rsc_managed) ? "true" : "false");
status_print("failed=\"%s\" ", is_set(rsc->flags, pe_rsc_failed) ? "true" : "false");
status_print("failure_ignored=\"%s\" ",
is_set(rsc->flags, pe_rsc_failure_ignored) ? "true" : "false");
status_print("nodes_running_on=\"%d\" ", g_list_length(rsc->running_on));
if (options & pe_print_dev) {
status_print("provisional=\"%s\" ",
is_set(rsc->flags, pe_rsc_provisional) ? "true" : "false");
status_print("runnable=\"%s\" ", is_set(rsc->flags, pe_rsc_runnable) ? "true" : "false");
status_print("priority=\"%f\" ", (double)rsc->priority);
status_print("variant=\"%s\" ", crm_element_name(rsc->xml));
}
/* print out the nodes this resource is running on */
if (options & pe_print_rsconly) {
status_print("/>\n");
/* do nothing */
} else if (g_list_length(rsc->running_on) > 0) {
GListPtr gIter = rsc->running_on;
status_print(">\n");
for (; gIter != NULL; gIter = gIter->next) {
node_t *node = (node_t *) gIter->data;
status_print("%s <node name=\"%s\" id=\"%s\" />\n", pre_text, node->details->uname,
node->details->id);
}
status_print("%s</resource>\n", pre_text);
} else {
status_print("/>\n");
}
}
void
native_print(resource_t * rsc, const char *pre_text, long options, void *print_data)
{
node_t *node = NULL;
const char *prov = NULL;
const char *class = crm_element_value(rsc->xml, XML_AGENT_ATTR_CLASS);
if (pre_text == NULL && (options & pe_print_printf)) {
pre_text = " ";
}
if (options & pe_print_xml) {
native_print_xml(rsc, pre_text, options, print_data);
return;
}
if (safe_str_eq(class, "ocf")) {
prov = crm_element_value(rsc->xml, XML_AGENT_ATTR_PROVIDER);
}
if (rsc->running_on != NULL) {
node = rsc->running_on->data;
}
if (options & pe_print_html) {
if (is_not_set(rsc->flags, pe_rsc_managed)) {
status_print("<font color=\"yellow\">");
} else if (is_set(rsc->flags, pe_rsc_failed)) {
status_print("<font color=\"red\">");
} else if (rsc->variant == pe_native && g_list_length(rsc->running_on) == 0) {
status_print("<font color=\"red\">");
} else if (g_list_length(rsc->running_on) > 1) {
status_print("<font color=\"orange\">");
} else if (is_set(rsc->flags, pe_rsc_failure_ignored)) {
status_print("<font color=\"yellow\">");
} else {
status_print("<font color=\"green\">");
}
}
if ((options & pe_print_rsconly) || g_list_length(rsc->running_on) > 1) {
const char *desc = NULL;
desc = crm_element_value(rsc->xml, XML_ATTR_DESC);
status_print("%s%s\t(%s%s%s:%s%s) %s %s%s%s%s%s",
pre_text ? pre_text : "", rsc->id,
class, prov ? "::" : "", prov ? prov : "",
crm_element_value(rsc->xml, XML_ATTR_TYPE),
is_set(rsc->flags, pe_rsc_orphan) ? " ORPHANED" : "",
(rsc->variant != pe_native) ? "" : role2text(rsc->role),
is_set(rsc->flags, pe_rsc_managed) ? "" : " (unmanaged)",
is_set(rsc->flags, pe_rsc_failed) ? " FAILED" : "",
is_set(rsc->flags, pe_rsc_failure_ignored) ? " (failure ignored)" : "",
desc ? ": " : "", desc ? desc : "");
} else {
status_print("%s%s\t(%s%s%s:%s):\t%s%s %s%s%s%s",
pre_text ? pre_text : "", rsc->id,
class, prov ? "::" : "", prov ? prov : "",
crm_element_value(rsc->xml, XML_ATTR_TYPE),
is_set(rsc->flags, pe_rsc_orphan) ? " ORPHANED " : "",
(rsc->variant != pe_native) ? "" : role2text(rsc->role),
(rsc->variant != pe_native) ? "" : node != NULL ? node->details->uname : "",
is_set(rsc->flags, pe_rsc_managed) ? "" : " (unmanaged)",
is_set(rsc->flags, pe_rsc_failed) ? " FAILED" : "",
is_set(rsc->flags, pe_rsc_failure_ignored) ? " (failure ignored)" : "");
#if CURSES_ENABLED
if (options & pe_print_ncurses) {
/* coverity[negative_returns] False positive */
move(-1, 0);
}
#endif
}
if (options & pe_print_html) {
status_print(" </font> ");
}
if ((options & pe_print_rsconly)) {
} else if (g_list_length(rsc->running_on) > 1) {
GListPtr gIter = rsc->running_on;
int counter = 0;
if (options & pe_print_html) {
status_print("<ul>\n");
} else if ((options & pe_print_printf)
|| (options & pe_print_ncurses)) {
status_print("[");
}
for (; gIter != NULL; gIter = gIter->next) {
node_t *node = (node_t *) gIter->data;
counter++;
if (options & pe_print_html) {
status_print("<li>\n%s", node->details->uname);
} else if ((options & pe_print_printf)
|| (options & pe_print_ncurses)) {
status_print("\t%s", node->details->uname);
} else if ((options & pe_print_log)) {
status_print("\t%d : %s", counter, node->details->uname);
} else {
status_print("%s", node->details->uname);
}
if (options & pe_print_html) {
status_print("</li>\n");
}
}
if (options & pe_print_html) {
status_print("</ul>\n");
} else if ((options & pe_print_printf)
|| (options & pe_print_ncurses)) {
status_print(" ]");
}
}
if (options & pe_print_html) {
status_print("<br/>\n");
} else if (options & pe_print_suppres_nl) {
/* nothing */
} else if ((options & pe_print_printf) || (options & pe_print_ncurses)) {
status_print("\n");
}
if (options & pe_print_details) {
struct print_data_s pdata;
pdata.options = options;
pdata.print_data = print_data;
g_hash_table_foreach(rsc->parameters, native_print_attr, &pdata);
}
if (options & pe_print_dev) {
GHashTableIter iter;
node_t *node = NULL;
status_print("%s\t(%s%svariant=%s, priority=%f)", pre_text,
is_set(rsc->flags, pe_rsc_provisional) ? "provisional, " : "",
is_set(rsc->flags, pe_rsc_runnable) ? "" : "non-startable, ",
crm_element_name(rsc->xml), (double)rsc->priority);
status_print("%s\tAllowed Nodes", pre_text);
g_hash_table_iter_init(&iter, rsc->allowed_nodes);
while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) {
status_print("%s\t * %s %d", pre_text, node->details->uname, node->weight);
}
}
if (options & pe_print_max_details) {
GHashTableIter iter;
node_t *node = NULL;
status_print("%s\t=== Allowed Nodes\n", pre_text);
g_hash_table_iter_init(&iter, rsc->allowed_nodes);
while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) {
print_node("\t", node, FALSE);
}
}
}
void
native_free(resource_t * rsc)
{
crm_trace("Freeing resource action list (not the data)");
common_free(rsc);
}
enum rsc_role_e
native_resource_state(const resource_t * rsc, gboolean current)
{
enum rsc_role_e role = rsc->next_role;
if (current) {
role = rsc->role;
}
crm_trace("%s state: %s", rsc->id, role2text(role));
return role;
}
node_t *
native_location(resource_t * rsc, GListPtr * list, gboolean current)
{
node_t *one = NULL;
GListPtr result = NULL;
if (rsc->children) {
GListPtr gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child = (resource_t *) gIter->data;
child->fns->location(child, &result, current);
}
} else if (current && rsc->running_on) {
result = g_list_copy(rsc->running_on);
} else if (current == FALSE && rsc->allocated_to) {
result = g_list_append(NULL, rsc->allocated_to);
}
if (result && g_list_length(result) == 1) {
one = g_list_nth_data(result, 0);
}
if (list) {
GListPtr gIter = result;
for (; gIter != NULL; gIter = gIter->next) {
node_t *node = (node_t *) gIter->data;
if (*list == NULL || pe_find_node_id(*list, node->details->id) == NULL) {
*list = g_list_append(*list, node);
}
}
}
g_list_free(result);
return one;
}
diff --git a/lib/pengine/unpack.c b/lib/pengine/unpack.c
index ef8fda8a4e..1e15e2a352 100644
--- a/lib/pengine/unpack.c
+++ b/lib/pengine/unpack.c
@@ -1,2388 +1,2294 @@
/*
* 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 <glib.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 <unpack.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)
gboolean unpack_rsc_op(resource_t * rsc, node_t * node, xmlNode * xml_op, GListPtr next,
enum action_fail_response *failed, pe_working_set_t * data_set);
static void
pe_fence_node(pe_working_set_t * data_set, node_t * node, const char *reason)
{
CRM_CHECK(node, return);
if (node->details->unclean == FALSE) {
if (is_set(data_set->flags, pe_flag_stonith_enabled)) {
crm_warn("Node %s will be fenced %s", node->details->uname, reason);
} else {
crm_warn("Node %s is unclean %s", node->details->uname, reason);
}
}
node->details->unclean = TRUE;
}
gboolean
unpack_config(xmlNode * config, pe_working_set_t * data_set)
{
const char *value = NULL;
GHashTable *config_hash =
g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str, g_hash_destroy_str);
data_set->config_hash = config_hash;
unpack_instance_attributes(data_set->input, config, XML_CIB_TAG_PROPSET, NULL, config_hash,
CIB_OPTIONS_FIRST, FALSE, data_set->now);
verify_pe_options(data_set->config_hash);
set_config_flag(data_set, "enable-startup-probes", pe_flag_startup_probes);
crm_info("Startup probes: %s",
is_set(data_set->flags, pe_flag_startup_probes) ? "enabled" : "disabled (dangerous)");
value = pe_pref(data_set->config_hash, "stonith-timeout");
data_set->stonith_timeout = crm_get_msec(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");
crm_trace("STONITH will %s nodes", data_set->stonith_action);
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, "default-resource-stickiness");
data_set->default_resource_stickiness = char2score(value);
crm_debug("Default stickiness: %d", data_set->default_resource_stickiness);
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")) {
gboolean do_panic = FALSE;
crm_element_value_int(data_set->input, XML_ATTR_QUORUM_PANIC, &do_panic);
if (is_set(data_set->flags, pe_flag_stonith_enabled) == FALSE) {
crm_config_err
("Setting no-quorum-policy=suicide makes no sense if stonith-enabled=false");
}
if (do_panic && is_set(data_set->flags, pe_flag_stonith_enabled)) {
data_set->no_quorum_policy = no_quorum_suicide;
} else if (is_set(data_set->flags, pe_flag_have_quorum) == FALSE && do_panic == FALSE) {
crm_notice("Resetting no-quorum-policy to 'stop': The cluster has never had quorum");
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 CCM Quorum: Freeze resources");
break;
case no_quorum_stop:
crm_debug("On loss of CCM Quorum: Stop ALL resources");
break;
case no_quorum_suicide:
crm_notice("On loss of CCM Quorum: Fence all remaining nodes");
break;
case no_quorum_ignore:
crm_notice("On loss of CCM 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");
if (is_set(data_set->flags, pe_flag_maintenance_mode)) {
clear_bit(data_set->flags, pe_flag_is_managed_default);
} else {
set_config_flag(data_set, "is-managed-default", pe_flag_is_managed_default);
}
crm_trace("By default resources are %smanaged",
is_set(data_set->flags, pe_flag_is_managed_default) ? "" : "not ");
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");
node_score_red = char2score(pe_pref(data_set->config_hash, "node-health-red"));
node_score_green = char2score(pe_pref(data_set->config_hash, "node-health-green"));
node_score_yellow = char2score(pe_pref(data_set->config_hash, "node-health-yellow"));
crm_info("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);
return TRUE;
}
gboolean
unpack_nodes(xmlNode * xml_nodes, pe_working_set_t * data_set)
{
xmlNode *xml_obj = NULL;
node_t *new_node = NULL;
const char *id = NULL;
const char *uname = NULL;
const char *type = NULL;
const char *score = NULL;
gboolean unseen_are_unclean = TRUE;
const char *blind_faith = pe_pref(data_set->config_hash, "startup-fencing");
if (crm_is_true(blind_faith) == FALSE) {
unseen_are_unclean = FALSE;
crm_warn("Blind faith: not fencing unseen nodes");
}
for (xml_obj = __xml_first_child(xml_nodes); xml_obj != NULL; xml_obj = __xml_next(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) {
crm_config_err("Must specify id tag in <node>");
continue;
}
if (type == NULL) {
crm_config_err("Must specify type tag in <node>");
continue;
}
if (pe_find_node(data_set->nodes, uname) != NULL) {
crm_config_warn("Detected multiple node entries with uname=%s"
" - this is rarely intended", uname);
}
new_node = calloc(1, sizeof(node_t));
if (new_node == NULL) {
return FALSE;
}
new_node->weight = char2score(score);
new_node->fixed = FALSE;
new_node->details = calloc(1, sizeof(struct node_shared_s));
if (new_node->details == NULL) {
free(new_node);
return FALSE;
}
crm_trace("Creaing node for entry %s/%s", uname, id);
new_node->details->id = id;
new_node->details->uname = uname;
new_node->details->type = node_ping;
new_node->details->online = FALSE;
new_node->details->shutdown = FALSE;
new_node->details->running_rsc = NULL;
new_node->details->attrs = g_hash_table_new_full(crm_str_hash, g_str_equal,
g_hash_destroy_str,
g_hash_destroy_str);
new_node->details->utilization =
g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str,
g_hash_destroy_str);
/* if(data_set->have_quorum == FALSE */
/* && data_set->no_quorum_policy == no_quorum_stop) { */
/* /\* start shutting resources down *\/ */
/* new_node->weight = -INFINITY; */
/* } */
if (is_set(data_set->flags, pe_flag_stonith_enabled) == FALSE
|| unseen_are_unclean == FALSE) {
/* blind faith... */
new_node->details->unclean = FALSE;
} else {
/* all nodes are unclean until we've seen their
* status entry
*/
new_node->details->unclean = TRUE;
}
if (type == NULL || safe_str_eq(type, "member")
|| safe_str_eq(type, NORMALNODE)) {
new_node->details->type = node_member;
}
add_node_attrs(xml_obj, new_node, FALSE, data_set);
unpack_instance_attributes(data_set->input, xml_obj, XML_TAG_UTILIZATION, NULL,
new_node->details->utilization, NULL, FALSE, data_set->now);
data_set->nodes = g_list_append(data_set->nodes, new_node);
crm_trace("Done with node %s", crm_element_value(xml_obj, XML_ATTR_UNAME));
}
}
return TRUE;
}
static void
g_hash_destroy_node_list(gpointer data)
{
GListPtr domain = data;
g_list_free_full(domain, free);
}
gboolean
unpack_domains(xmlNode * xml_domains, pe_working_set_t * data_set)
{
const char *id = NULL;
GListPtr domain = NULL;
xmlNode *xml_node = NULL;
xmlNode *xml_domain = NULL;
crm_info("Unpacking domains");
data_set->domains =
g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str,
g_hash_destroy_node_list);
for (xml_domain = __xml_first_child(xml_domains); xml_domain != NULL;
xml_domain = __xml_next(xml_domain)) {
if (crm_str_eq((const char *)xml_domain->name, XML_CIB_TAG_DOMAIN, TRUE)) {
domain = NULL;
id = crm_element_value(xml_domain, XML_ATTR_ID);
for (xml_node = __xml_first_child(xml_domain); xml_node != NULL;
xml_node = __xml_next(xml_node)) {
if (crm_str_eq((const char *)xml_node->name, XML_CIB_TAG_NODE, TRUE)) {
node_t *copy = NULL;
node_t *node = NULL;
const char *uname = crm_element_value(xml_node, "name");
const char *score = crm_element_value(xml_node, XML_RULE_ATTR_SCORE);
if (uname == NULL) {
crm_config_err("Invalid domain %s: Must specify id tag in <node>", id);
continue;
}
node = pe_find_node(data_set->nodes, uname);
if (node == NULL) {
node = pe_find_node_id(data_set->nodes, uname);
}
if (node == NULL) {
crm_config_warn("Invalid domain %s: Node %s does not exist", id, uname);
continue;
}
copy = node_copy(node);
copy->weight = char2score(score);
crm_debug("Adding %s to domain %s with score %s", node->details->uname, id,
score);
domain = g_list_prepend(domain, copy);
}
}
if (domain) {
crm_debug("Created domain %s with %d members", id, g_list_length(domain));
g_hash_table_replace(data_set->domains, strdup(id), domain);
}
}
}
return TRUE;
}
static void
destroy_template_rsc_set(gpointer data)
{
xmlNode *rsc_set = data;
free_xml(rsc_set);
}
gboolean
unpack_resources(xmlNode * xml_resources, pe_working_set_t * data_set)
{
xmlNode *xml_obj = NULL;
data_set->template_rsc_sets =
g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str,
destroy_template_rsc_set);
for (xml_obj = __xml_first_child(xml_resources); xml_obj != NULL; xml_obj = __xml_next(xml_obj)) {
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);
print_resource(LOG_DEBUG_3, "Added", new_rsc, FALSE);
} else {
crm_config_err("Failed unpacking %s %s",
crm_element_name(xml_obj), crm_element_value(xml_obj, XML_ATTR_ID));
if (new_rsc != NULL && new_rsc->fns != NULL) {
new_rsc->fns->free(new_rsc);
}
}
}
data_set->resources = g_list_sort(data_set->resources, sort_rsc_priority);
if (is_set(data_set->flags, pe_flag_stonith_enabled)
&& is_set(data_set->flags, pe_flag_have_stonith_resource) == FALSE) {
crm_config_err("Resource start-up disabled since no STONITH resources have been defined");
crm_config_err("Either configure some or disable STONITH with the stonith-enabled option");
crm_config_err("NOTE: Clusters with shared data need STONITH to ensure data integrity");
}
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;
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(xml_tickets); xml_obj != NULL; xml_obj = __xml_next(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;
}
/* Compatibility with the deprecated ticket state section:
* "/cib/status/tickets/instance_attributes" */
static void
get_ticket_state_legacy(gpointer key, gpointer value, gpointer user_data)
{
const char *long_key = key;
char *state_key = NULL;
const char *granted_prefix = "granted-ticket-";
const char *last_granted_prefix = "last-granted-";
static int granted_prefix_strlen = 0;
static int last_granted_prefix_strlen = 0;
const char *ticket_id = NULL;
const char *is_granted = NULL;
const char *last_granted = NULL;
const char *sep = NULL;
ticket_t *ticket = NULL;
pe_working_set_t *data_set = user_data;
if (granted_prefix_strlen == 0) {
granted_prefix_strlen = strlen(granted_prefix);
}
if (last_granted_prefix_strlen == 0) {
last_granted_prefix_strlen = strlen(last_granted_prefix);
}
if (strstr(long_key, granted_prefix) == long_key) {
ticket_id = long_key + granted_prefix_strlen;
if (strlen(ticket_id)) {
state_key = strdup("granted");
is_granted = value;
}
} else if (strstr(long_key, last_granted_prefix) == long_key) {
ticket_id = long_key + last_granted_prefix_strlen;
if (strlen(ticket_id)) {
state_key = strdup("last-granted");
last_granted = value;
}
} else if ((sep = strrchr(long_key, '-'))) {
ticket_id = sep + 1;
state_key = strndup(long_key, strlen(long_key) - strlen(sep));
}
if (ticket_id == NULL || strlen(ticket_id) == 0) {
free(state_key);
return;
}
if (state_key == NULL || strlen(state_key) == 0) {
free(state_key);
return;
}
ticket = g_hash_table_lookup(data_set->tickets, ticket_id);
if (ticket == NULL) {
ticket = ticket_new(ticket_id, data_set);
if (ticket == NULL) {
free(state_key);
return;
}
}
g_hash_table_replace(ticket->state, state_key, strdup(value));
if (is_granted) {
if (crm_is_true(is_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);
}
} else if (last_granted) {
ticket->last_granted = crm_parse_int(last_granted, 0);
}
}
/* remove nodes that are down, stopping */
/* create +ve 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 *lrm_rsc = NULL;
xmlNode *attrs = NULL;
xmlNode *state = NULL;
xmlNode *node_state = NULL;
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, g_hash_destroy_str, destroy_ticket);
}
for (state = __xml_first_child(status); state != NULL; state = __xml_next(state)) {
if (crm_str_eq((const char *)state->name, XML_CIB_TAG_TICKETS, TRUE)) {
xmlNode *xml_tickets = state;
GHashTable *state_hash = NULL;
/* Compatibility with the deprecated ticket state section:
* Unpack the attributes in the deprecated "/cib/status/tickets/instance_attributes" if it exists. */
state_hash = g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str,
g_hash_destroy_str);
unpack_instance_attributes(data_set->input, xml_tickets, XML_TAG_ATTR_SETS, NULL,
state_hash, NULL, TRUE, data_set->now);
g_hash_table_foreach(state_hash, get_ticket_state_legacy, data_set);
if (state_hash) {
g_hash_table_destroy(state_hash);
}
/* Unpack the new "/cib/status/tickets/ticket_state"s */
unpack_tickets_state(xml_tickets, data_set);
}
if (crm_str_eq((const char *)state->name, XML_CIB_TAG_STATE, TRUE)) {
node_state = state;
id = crm_element_value(node_state, XML_ATTR_ID);
uname = crm_element_value(node_state, XML_ATTR_UNAME);
attrs = find_xml_node(node_state, XML_TAG_TRANSIENT_NODEATTRS, FALSE);
crm_trace("Processing node id=%s, uname=%s", id, uname);
this_node = pe_find_node_id(data_set->nodes, id);
if (uname == NULL) {
/* error */
continue;
} else if (this_node == NULL) {
crm_config_warn("Node %s in status section no longer exists", uname);
continue;
}
/* Mark the node as provisionally clean
* - at least we have seen it in the current cluster's lifetime
*/
this_node->details->unclean = FALSE;
add_node_attrs(attrs, this_node, TRUE, data_set);
if (crm_is_true(g_hash_table_lookup(this_node->details->attrs, "standby"))) {
crm_info("Node %s is in standby-mode", this_node->details->uname);
this_node->details->standby = TRUE;
}
crm_trace("determining node state");
determine_online_status(node_state, this_node, data_set);
if (this_node->details->online && data_set->no_quorum_policy == no_quorum_suicide) {
/* Everything else should flow from this automatically
* At least until the PE becomes able to migrate off healthy resources
*/
pe_fence_node(data_set, this_node, "because the cluster does not have quorum");
}
}
}
/* Now that we know all node states, we can safely handle migration ops
* But, for now, only process healthy nodes
* - this is necessary for the logic in bug lf#2508 to function correctly
*/
for (node_state = __xml_first_child(status); node_state != NULL;
node_state = __xml_next(node_state)) {
if (crm_str_eq((const char *)node_state->name, XML_CIB_TAG_STATE, TRUE) == FALSE) {
continue;
}
id = crm_element_value(node_state, XML_ATTR_ID);
this_node = pe_find_node_id(data_set->nodes, id);
if (this_node == NULL) {
crm_info("Node %s is unknown", id);
continue;
} else if (this_node->details->online) {
crm_trace("Processing lrm resource entries on healthy node: %s",
this_node->details->uname);
lrm_rsc = find_xml_node(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);
}
}
/* Now handle failed nodes - but only if stonith is enabled
*
* By definition, offline nodes run no resources so there is nothing to do.
* Only when stonith is enabled do we need to know what is on the node to
* ensure rsc start events happen after the stonith
*/
for (node_state = __xml_first_child(status);
node_state != NULL && is_set(data_set->flags, pe_flag_stonith_enabled);
node_state = __xml_next(node_state)) {
if (crm_str_eq((const char *)node_state->name, XML_CIB_TAG_STATE, TRUE) == FALSE) {
continue;
}
id = crm_element_value(node_state, XML_ATTR_ID);
this_node = pe_find_node_id(data_set->nodes, id);
if (this_node == NULL || this_node->details->online) {
continue;
} else {
crm_trace("Processing lrm resource entries on unhealthy node: %s",
this_node->details->uname);
lrm_rsc = find_xml_node(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 TRUE;
}
static gboolean
determine_online_status_no_fencing(pe_working_set_t * data_set, xmlNode * node_state,
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("CRMd 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, "because it is partially and/or un-expectedly down");
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,
node_t * this_node)
{
gboolean online = FALSE;
gboolean do_terminate = 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 = g_hash_table_lookup(this_node->details->attrs, "terminate");
/*
- XML_NODE_IN_CLUSTER ::= true|false
- XML_NODE_IS_PEER ::= true|false|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);
if(safe_str_eq(is_peer, ONLINESTATUS)) {
is_peer = XML_BOOLEAN_YES;
}
if(exp_state == NULL) {
exp_state = CRMD_JOINSTATE_DOWN;
}
if(this_node->details->shutdown) {
crm_debug("%s is shutting down", this_node->details->uname);
online = crm_is_true(is_peer); /* Slightly different criteria since we cant shut down a dead peer */
} else if(do_terminate == FALSE && safe_str_eq(exp_state, CRMD_JOINSTATE_DOWN)) {
/* TO-DO: Have the crmd no longer pre-set CRMD_JOINSTATE_DOWN for shutdown */
if(crm_is_true(in_cluster) || crm_is_true(is_peer)) {
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(crm_is_true(in_cluster) == FALSE) {
pe_fence_node(data_set, this_node, "because the node was not part of the cluster");
} else if(crm_is_true(is_peer) == FALSE) {
pe_fence_node(data_set, this_node, "because our peer process was not available");
/* Everything is running at this point, now check join state */
} else if (safe_str_eq(join, CRMD_JOINSTATE_NACK)) {
pe_fence_node(data_set, this_node, "because it failed the pacemaker membership criteria");
} else if (do_terminate) {
pe_fence_node(data_set, this_node, "because termination was requested");
} 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)) {
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, "because the peer was in an unknown state");
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;
}
gboolean
determine_online_status(xmlNode * node_state, node_t * this_node, pe_working_set_t * data_set)
{
gboolean online = FALSE;
const char *shutdown = NULL;
const char *exp_state = crm_element_value(node_state, XML_NODE_EXPECTED);
if (this_node == NULL) {
crm_config_err("No node to check");
return online;
}
this_node->details->shutdown = FALSE;
this_node->details->expected_up = FALSE;
shutdown = g_hash_table_lookup(this_node->details->attrs, XML_CIB_ATTR_SHUTDOWN);
if (shutdown != NULL && safe_str_neq("0", shutdown)) {
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_member) {
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
*/
} 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) {
/* dont run resources here */
this_node->fixed = TRUE;
this_node->weight = -INFINITY;
}
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" : "online");
} else {
crm_trace("Node %s is offline", this_node->details->uname);
}
return online;
}
-#define set_char(x) last_rsc_id[lpc] = x; complete = TRUE;
-
char *
-clone_zero(const char *last_rsc_id)
+clone_strip(const char *last_rsc_id)
{
int lpc = 0;
char *zero = NULL;
CRM_CHECK(last_rsc_id != NULL, return NULL);
if (last_rsc_id != NULL) {
lpc = strlen(last_rsc_id);
}
while (--lpc > 0) {
switch (last_rsc_id[lpc]) {
case 0:
return NULL;
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
break;
case ':':
- zero = calloc(1, lpc + 3);
+ zero = calloc(1, lpc + 1);
memcpy(zero, last_rsc_id, lpc);
- zero[lpc] = ':';
- zero[lpc + 1] = '0';
- zero[lpc + 2] = 0;
+ zero[lpc] = 0;
+ return zero;
+ default:
+ zero = strdup(last_rsc_id);
return zero;
}
}
return NULL;
}
char *
-increment_clone(char *last_rsc_id)
+clone_zero(const char *last_rsc_id)
{
int lpc = 0;
- int len = 0;
- char *tmp = NULL;
- gboolean complete = FALSE;
+ char *zero = NULL;
CRM_CHECK(last_rsc_id != NULL, return NULL);
if (last_rsc_id != NULL) {
- len = strlen(last_rsc_id);
+ lpc = strlen(last_rsc_id);
}
- lpc = len - 1;
- while (complete == FALSE && lpc > 0) {
+ while (--lpc > 0) {
switch (last_rsc_id[lpc]) {
case 0:
- lpc--;
- break;
- case '0':
- set_char('1');
- break;
- case '1':
- set_char('2');
- break;
- case '2':
- set_char('3');
- break;
- case '3':
- set_char('4');
- break;
- case '4':
- set_char('5');
- break;
- case '5':
- set_char('6');
- break;
- case '6':
- set_char('7');
- break;
- case '7':
- set_char('8');
- break;
- case '8':
- set_char('9');
- break;
- case '9':
- last_rsc_id[lpc] = '0';
- lpc--;
- break;
- case ':':
- tmp = last_rsc_id;
- last_rsc_id = calloc(1, len + 2);
- memcpy(last_rsc_id, tmp, len);
- last_rsc_id[++lpc] = '1';
- last_rsc_id[len] = '0';
- last_rsc_id[len + 1] = 0;
- complete = TRUE;
- free(tmp);
- break;
- default:
- crm_err("Unexpected char: %c (%d)", last_rsc_id[lpc], lpc);
return NULL;
break;
- }
- }
- return last_rsc_id;
-}
-
-static int
-get_clone(char *last_rsc_id)
-{
- int clone = 0;
- int lpc = 0;
- int len = 0;
-
- CRM_CHECK(last_rsc_id != NULL, return -1);
- if (last_rsc_id != NULL) {
- len = strlen(last_rsc_id);
- }
-
- lpc = len - 1;
- while (lpc > 0) {
- switch (last_rsc_id[lpc]) {
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
- clone += (int)(last_rsc_id[lpc] - '0') * (len - lpc);
- lpc--;
break;
case ':':
- return clone;
- break;
+ zero = calloc(1, lpc + 3);
+ memcpy(zero, last_rsc_id, lpc);
+ zero[lpc] = ':';
+ zero[lpc + 1] = '0';
+ zero[lpc + 2] = 0;
+ return zero;
default:
- crm_err("Unexpected char: %d (%c)", lpc, last_rsc_id[lpc]);
- return clone;
- break;
+ lpc = strlen(last_rsc_id);
+ zero = calloc(1, lpc + 3);
+ memcpy(zero, last_rsc_id, lpc);
+ zero[lpc] = ':';
+ zero[lpc + 1] = '0';
+ zero[lpc + 2] = 0;
+ crm_trace("%s -> %s", last_rsc_id, zero);
+ return zero;
}
}
- return -1;
+ return NULL;
}
static resource_t *
create_fake_resource(const char *rsc_id, xmlNode * rsc_entry, pe_working_set_t * data_set)
{
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;
}
set_bit(rsc->flags, pe_rsc_orphan);
data_set->resources = g_list_append(data_set->resources, rsc);
return rsc;
}
extern resource_t *create_child_clone(resource_t * rsc, int sub_id, pe_working_set_t * data_set);
static resource_t *
-find_clone(pe_working_set_t * data_set, node_t * node, resource_t * parent, const char *rsc_id)
+find_anonymous_clone(pe_working_set_t * data_set, node_t * node, resource_t * parent, const char *rsc_id)
{
- int len = 0;
+ GListPtr rIter = NULL;
resource_t *rsc = NULL;
- char *base = clone_zero(rsc_id);
- char *alt_rsc_id = NULL;
+ gboolean skip_inactive = FALSE;
CRM_ASSERT(parent != NULL);
CRM_ASSERT(parent->variant == pe_clone || parent->variant == pe_master);
-
- if (base) {
- len = strlen(base);
- }
- if (len > 0) {
- base[len - 1] = 0;
- }
-
- crm_trace("Looking for %s on %s in %s %d",
- rsc_id, node->details->uname, parent->id, is_set(parent->flags, pe_rsc_unique));
-
- if (is_set(parent->flags, pe_rsc_unique)) {
- crm_trace("Looking for %s", rsc_id);
- rsc = parent->fns->find_rsc(parent, rsc_id, NULL, pe_find_current);
-
- } else {
- crm_trace("Looking for %s on %s", base, node->details->uname);
- rsc = parent->fns->find_rsc(parent, base, node, pe_find_partial | pe_find_current);
- if (rsc != NULL && rsc->running_on) {
- GListPtr gIter = parent->children;
-
- rsc = NULL;
- crm_trace("Looking for an existing orphan for %s: %s on %s", parent->id, rsc_id,
- node->details->uname);
-
- /* There is already an instance of this _anonymous_ clone active on "node".
- *
- * If there is a partially active orphan (only applies to clone groups) on
- * the same node, use that.
- * Otherwise create a new (orphaned) instance at "orphan_check:".
- */
-
- for (; gIter != NULL; gIter = gIter->next) {
- resource_t *child = (resource_t *) gIter->data;
- node_t *loc = child->fns->location(child, NULL, TRUE);
-
- if (loc && loc->details == node->details) {
- resource_t *tmp =
- child->fns->find_rsc(child, base, NULL, pe_find_partial | pe_find_current);
- if (tmp && tmp->running_on == NULL) {
- rsc = tmp;
- break;
- }
- }
+ CRM_ASSERT(is_not_set(parent->flags, pe_rsc_unique));
+
+ /* Find an instance active (or partially active for grouped clones) on the specified node */
+ crm_trace("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 nIter = NULL;
+ GListPtr locations = NULL;
+ resource_t *child = rIter->data;
+
+ child->fns->location(child, &locations, TRUE);
+ if (locations == NULL) {
+ crm_trace("Resource %s, skip inactive", child->id);
+ continue;
+ }
+
+ for(nIter = locations; nIter && rsc == NULL; nIter = nIter->next) {
+ node_t *childnode = nIter->data;
+ if(childnode->details == node->details) {
+ /* ->find_rsc() because we might be a cloned group */
+ rsc = parent->fns->find_rsc(child, rsc_id, NULL, 0);
+ crm_trace("Resource %s, active", rsc->id);
}
- goto orphan_check;
-
- } else if (((resource_t *) parent->children->data)->variant == pe_group) {
- /* If we're grouped, we need to look for a peer thats active on $node
- * and use their clone instance number
+ /* TODO - drop this block?
+ * Anonymous clones should no longer be able to have multiple entries on a node
*/
- resource_t *peer =
- parent->fns->find_rsc(parent, NULL, node, pe_find_clone | pe_find_current);
- if (peer && peer->running_on) {
- char buffer[256];
- int clone_num = get_clone(peer->id);
-
- snprintf(buffer, 256, "%s%d", base, clone_num);
- rsc =
- parent->fns->find_rsc(parent, buffer, node, pe_find_current | pe_find_inactive);
- if (rsc) {
- crm_trace("Found someone active: %s on %s, becoming %s", peer->id,
- ((node_t *) peer->running_on->data)->details->uname, buffer);
- }
+ if(rsc && rsc->running_on) {
+ crm_debug("/Anonymous/ clone %s is already running on %s",
+ parent->id, node->details->uname);
+ skip_inactive = TRUE;
+ rsc = NULL;
}
}
- if (parent->fns->find_rsc(parent, rsc_id, NULL, pe_find_current)) {
- alt_rsc_id = strdup(rsc_id);
- } else {
- alt_rsc_id = clone_zero(rsc_id);
- }
-
- while (rsc == NULL) {
- rsc = parent->fns->find_rsc(parent, alt_rsc_id, NULL, pe_find_current);
- if (rsc == NULL) {
- crm_trace("Unknown resource: %s", alt_rsc_id);
- break;
- }
-
- if (rsc->running_on == NULL) {
- crm_trace("Resource %s: just right", alt_rsc_id);
- break;
+ g_list_free(locations);
+ }
+
+ /* Find an inactive instance */
+ if(skip_inactive == FALSE) {
+ crm_trace("Looking for %s anywhere", rsc_id);
+ for(rIter = parent->children; rsc == NULL && rIter; rIter = rIter->next) {
+ GListPtr locations = NULL;
+ resource_t *child = rIter->data;
+
+ child->fns->location(child, &locations, TRUE);
+ if (locations == NULL) {
+ /* ->find_rsc() because we might be a cloned group */
+ rsc = parent->fns->find_rsc(child, rsc_id, NULL, 0);
+ crm_trace("Resource %s, empty slot", rsc->id);
}
-
- crm_trace("Resource %s: already active", alt_rsc_id);
- alt_rsc_id = increment_clone(alt_rsc_id);
- rsc = NULL;
+ g_list_free(locations);
}
}
- orphan_check:
if (rsc == NULL) {
/* Create an extra orphan */
resource_t *top = create_child_clone(parent, -1, data_set);
- crm_debug("Created orphan for %s: %s on %s", parent->id, rsc_id, node->details->uname);
- rsc = top->fns->find_rsc(top, base, NULL, pe_find_current | pe_find_partial);
+ /* ->find_rsc() because we might be a cloned group */
+ rsc = top->fns->find_rsc(top, rsc_id, NULL, pe_find_current | pe_find_partial);
CRM_ASSERT(rsc != NULL);
+
+ crm_debug("Created orphan %s for %s: %s on %s", top->id, parent->id, rsc_id, node->details->uname);
}
- free(rsc->clone_name);
- rsc->clone_name = NULL;
if (safe_str_neq(rsc_id, rsc->id)) {
crm_info("Internally renamed %s on %s to %s%s",
rsc_id, node->details->uname, rsc->id,
is_set(rsc->flags, pe_rsc_orphan) ? " (ORPHAN)" : "");
- rsc->clone_name = strdup(rsc_id);
}
- free(alt_rsc_id);
- free(base);
return rsc;
}
static resource_t *
unpack_find_resource(pe_working_set_t * data_set, node_t * node, const char *rsc_id,
xmlNode * rsc_entry)
{
resource_t *rsc = NULL;
- resource_t *clone_parent = NULL;
+ resource_t *parent = NULL;
char *alt_rsc_id = strdup(rsc_id);
crm_trace("looking for %s", rsc_id);
rsc = pe_find_resource(data_set->resources, alt_rsc_id);
/* no match */
if (rsc == NULL) {
/* Even when clone-max=0, we still create a single :0 orphan to match against */
char *tmp = clone_zero(alt_rsc_id);
resource_t *clone0 = pe_find_resource(data_set->resources, tmp);
- clone_parent = uber_parent(clone0);
+ parent = uber_parent(clone0);
free(tmp);
- crm_trace("%s not found: %s", alt_rsc_id, clone_parent ? clone_parent->id : "orphan");
+ crm_trace("%s not found: %s", alt_rsc_id, parent ? parent->id : "orphan");
} else {
- clone_parent = uber_parent(rsc);
+ parent = uber_parent(rsc);
}
- if (clone_parent && clone_parent->variant > pe_group) {
- rsc = find_clone(data_set, node, clone_parent, rsc_id);
- CRM_ASSERT(rsc != NULL);
+ if (parent
+ && parent->variant > pe_group) {
+ if(is_not_set(parent->flags, pe_rsc_unique)) {
+ char *base = clone_strip(rsc_id);
+ rsc = find_anonymous_clone(data_set, node, parent, base);
+ CRM_ASSERT(rsc != NULL);
+ free(base);
+ }
+
+ if (safe_str_neq(rsc_id, rsc->id)) {
+ free(rsc->clone_name);
+ rsc->clone_name = strdup(rsc_id);
+ }
}
free(alt_rsc_id);
return rsc;
}
static resource_t *
process_orphan_resource(xmlNode * rsc_entry, node_t * node, pe_working_set_t * data_set)
{
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 {
GListPtr gIter = NULL;
print_resource(LOG_DEBUG_3, "Added orphan", rsc, FALSE);
CRM_CHECK(rsc != NULL, return NULL);
resource_location(rsc, NULL, -INFINITY, "__orphan_dont_run__", data_set);
for (gIter = data_set->nodes; gIter != NULL; gIter = gIter->next) {
node_t *node = (node_t *) gIter->data;
if (node->details->online && get_failcount(node, rsc, NULL, data_set)) {
action_t *clear_op = NULL;
action_t *ready = get_pseudo_op(CRM_OP_PROBED, data_set);
clear_op = custom_action(rsc, crm_concat(rsc->id, CRM_OP_CLEAR_FAILCOUNT, '_'),
CRM_OP_CLEAR_FAILCOUNT, node, FALSE, TRUE, data_set);
add_hash_param(clear_op->meta, XML_ATTR_TE_NOWAIT, XML_BOOLEAN_TRUE);
crm_info("Clearing failcount (%d) for orphaned resource %s on %s (%s)",
get_failcount(node, rsc, NULL, data_set), rsc->id, node->details->uname,
clear_op->uuid);
order_actions(clear_op, ready, pe_order_optional);
}
}
}
return rsc;
}
static void
process_rsc_state(resource_t * rsc, node_t * node,
enum action_fail_response on_fail,
xmlNode * migrate_op, pe_working_set_t * data_set)
{
crm_trace("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) {
resource_t *iter = rsc;
while (iter) {
if (g_hash_table_lookup(iter->known_on, node->details->id) == NULL) {
node_t *n = node_copy(node);
+ crm_trace("%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 (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
*/
pe_fence_node(data_set, node, "to recover from resource failure(s)");
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;
}
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)) {
crm_config_warn("Detected active orphan %s running on %s",
rsc->id, node->details->uname);
} else {
crm_config_warn("Cluster configured not to stop active orphans."
" %s must be stopped manually on %s",
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) {
crm_trace("Resetting clone_name %s for %s (stopped)", rsc->clone_name, rsc->id);
free(rsc->clone_name);
rsc->clone_name = NULL;
} else {
char *key = stop_key(rsc);
GListPtr possible_matches = find_actions(rsc->actions, key, node);
GListPtr gIter = possible_matches;
for (; gIter != NULL; gIter = gIter->next) {
action_t *stop = (action_t *) gIter->data;
stop->flags |= pe_action_optional;
}
free(key);
}
}
/* create active recurring operations as optional */
static void
process_recurring(node_t * node, 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_trace("%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;
int interval = 0;
char *key = NULL;
const char *id = ID(rsc_op);
const char *interval_s = NULL;
counter++;
if (node->details->online == FALSE) {
crm_trace("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) {
crm_trace("Skipping %s/%s: resource is not active", id, node->details->uname);
continue;
} else if (counter < start_index) {
crm_trace("Skipping %s/%s: old %d", id, node->details->uname, counter);
continue;
}
interval_s = crm_element_value(rsc_op, XML_LRM_ATTR_INTERVAL);
interval = crm_parse_int(interval_s, "0");
if (interval == 0) {
crm_trace("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")) {
crm_trace("Skipping %s/%s: status", id, node->details->uname);
continue;
}
task = crm_element_value(rsc_op, XML_LRM_ATTR_TASK);
/* create the action */
key = generate_op_key(rsc->id, task, interval);
crm_trace("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_master_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_master_start = counter;
}
}
if (*start_index == -1) {
if (implied_master_start != -1) {
*start_index = implied_master_start;
} else if (implied_monitor_start != -1) {
*start_index = implied_monitor_start;
}
}
}
static void
unpack_lrm_rsc_state(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);
resource_t *rsc = NULL;
GListPtr op_list = NULL;
GListPtr sorted_op_list = NULL;
xmlNode *migrate_op = NULL;
xmlNode *rsc_op = 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(rsc_entry); rsc_op != NULL; rsc_op = __xml_next(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 (op_list == NULL) {
/* if there are no operations, there is nothing to do */
return;
}
/* find the resource */
rsc = unpack_find_resource(data_set, node, rsc_id, rsc_entry);
if (rsc == NULL) {
rsc = process_orphan_resource(rsc_entry, node, data_set);
}
CRM_ASSERT(rsc != NULL);
/* 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, gIter->next, &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) {
crm_debug("%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) {
crm_info("%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;
}
}
gboolean
unpack_lrm_resources(node_t * node, xmlNode * lrm_rsc_list, pe_working_set_t * data_set)
{
xmlNode *rsc_entry = NULL;
CRM_CHECK(node != NULL, return FALSE);
crm_trace("Unpacking resources on %s", node->details->uname);
for (rsc_entry = __xml_first_child(lrm_rsc_list); rsc_entry != NULL;
rsc_entry = __xml_next(rsc_entry)) {
if (crm_str_eq((const char *)rsc_entry->name, XML_LRM_TAG_RESOURCE, TRUE)) {
unpack_lrm_rsc_state(node, rsc_entry, data_set);
}
}
return TRUE;
}
static void
set_active(resource_t * rsc)
{
resource_t *top = uber_parent(rsc);
if (top && top->variant == pe_master) {
rsc->role = RSC_ROLE_SLAVE;
} else {
rsc->role = RSC_ROLE_STARTED;
}
}
static void
set_node_score(gpointer key, gpointer value, gpointer user_data)
{
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,
pe_working_set_t * data_set)
{
int offset = 0;
char xpath[STATUS_PATH_MAX];
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);
}
return get_xpath_object(xpath, data_set->input, LOG_DEBUG);
}
gboolean
unpack_rsc_op(resource_t * rsc, node_t * node, xmlNode * xml_op, GListPtr next,
enum action_fail_response * on_fail, pe_working_set_t * data_set)
{
int task_id = 0;
const char *id = NULL;
const char *key = NULL;
const char *task = NULL;
const char *task_key = NULL;
const char *magic = NULL;
const char *actual_rc = NULL;
/* const char *target_rc = NULL; */
const char *task_status = NULL;
const char *interval_s = NULL;
const char *op_version = NULL;
int interval = 0;
int task_status_i = -2;
int actual_rc_i = 0;
int target_rc = -1;
int last_failure = 0;
action_t *action = NULL;
node_t *effective_node = NULL;
resource_t *failed = NULL;
gboolean expired = FALSE;
gboolean is_probe = FALSE;
gboolean clear_past_failure = FALSE;
CRM_CHECK(rsc != NULL, return FALSE);
CRM_CHECK(node != NULL, return FALSE);
CRM_CHECK(xml_op != NULL, return FALSE);
id = ID(xml_op);
task = crm_element_value(xml_op, XML_LRM_ATTR_TASK);
task_key = crm_element_value(xml_op, XML_LRM_ATTR_TASK_KEY);
task_status = crm_element_value(xml_op, XML_LRM_ATTR_OPSTATUS);
op_version = crm_element_value(xml_op, XML_ATTR_CRM_VERSION);
magic = crm_element_value(xml_op, XML_ATTR_TRANSITION_MAGIC);
key = crm_element_value(xml_op, XML_ATTR_TRANSITION_KEY);
crm_element_value_int(xml_op, XML_LRM_ATTR_CALLID, &task_id);
CRM_CHECK(id != NULL, return FALSE);
CRM_CHECK(task != NULL, return FALSE);
CRM_CHECK(task_status != NULL, return FALSE);
task_status_i = crm_parse_int(task_status, NULL);
CRM_CHECK(task_status_i <= PCMK_LRM_OP_ERROR, return FALSE);
CRM_CHECK(task_status_i >= PCMK_LRM_OP_PENDING, return FALSE);
if (safe_str_eq(task, CRMD_ACTION_NOTIFY)) {
/* safe to ignore these */
return TRUE;
}
if (rsc->failure_timeout > 0) {
int last_run = 0;
if (crm_element_value_int(xml_op, "last-rc-change", &last_run) == 0) {
time_t now = get_timet_now(data_set);
if (now > (last_run + rsc->failure_timeout)) {
expired = TRUE;
}
}
}
crm_trace("Unpacking task %s/%s (call_id=%d, status=%s) on %s (role=%s)",
id, task, task_id, task_status, node->details->uname, role2text(rsc->role));
interval_s = crm_element_value(xml_op, XML_LRM_ATTR_INTERVAL);
interval = crm_parse_int(interval_s, "0");
if (interval == 0 && safe_str_eq(task, CRMD_ACTION_STATUS)) {
is_probe = TRUE;
}
if (node->details->unclean) {
crm_trace("Node %s (where %s is running) is unclean."
" Further action depends on the value of the stop's on-fail attribue",
node->details->uname, rsc->id);
}
actual_rc = crm_element_value(xml_op, XML_LRM_ATTR_RC);
CRM_CHECK(actual_rc != NULL, return FALSE);
actual_rc_i = crm_parse_int(actual_rc, NULL);
if (key) {
int dummy = 0;
char *dummy_string = NULL;
decode_transition_key(key, &dummy_string, &dummy, &dummy, &target_rc);
free(dummy_string);
}
if (task_status_i == PCMK_LRM_OP_DONE && target_rc >= 0) {
if (target_rc == actual_rc_i) {
task_status_i = PCMK_LRM_OP_DONE;
} else {
task_status_i = PCMK_LRM_OP_ERROR;
crm_debug("%s on %s returned %d (%s) instead of the expected value: %d (%s)",
id, node->details->uname,
actual_rc_i, lrmd_event_rc2str(actual_rc_i),
target_rc, lrmd_event_rc2str(target_rc));
}
} else if (task_status_i == PCMK_LRM_OP_ERROR) {
/* let us decide that */
task_status_i = PCMK_LRM_OP_DONE;
}
if (task_status_i == PCMK_LRM_OP_NOTSUPPORTED) {
actual_rc_i = PCMK_EXECRA_UNIMPLEMENT_FEATURE;
}
if (task_status_i != actual_rc_i
&& rsc->failure_timeout > 0 && get_failcount(node, rsc, &last_failure, data_set) == 0) {
if (last_failure > 0) {
action_t *clear_op = NULL;
clear_op = custom_action(rsc, crm_concat(rsc->id, CRM_OP_CLEAR_FAILCOUNT, '_'),
CRM_OP_CLEAR_FAILCOUNT, node, FALSE, TRUE, data_set);
add_hash_param(clear_op->meta, XML_ATTR_TE_NOWAIT, XML_BOOLEAN_TRUE);
crm_notice("Clearing expired failcount for %s on %s", rsc->id, node->details->uname);
}
}
if (expired
&& actual_rc_i != PCMK_EXECRA_NOT_RUNNING
&& actual_rc_i != PCMK_EXECRA_RUNNING_MASTER && actual_rc_i != PCMK_EXECRA_OK) {
crm_notice("Ignoring expired failure %s (rc=%d, magic=%s) on %s",
id, actual_rc_i, magic, node->details->uname);
goto done;
}
/* we could clean this up significantly except for old LRMs and CRMs that
* didnt include target_rc and liked to remap status
*/
switch (actual_rc_i) {
case PCMK_EXECRA_NOT_RUNNING:
if (is_probe || target_rc == actual_rc_i) {
task_status_i = 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;
} else if (safe_str_neq(task, CRMD_ACTION_STOP)) {
task_status_i = PCMK_LRM_OP_ERROR;
}
break;
case PCMK_EXECRA_RUNNING_MASTER:
if (is_probe) {
task_status_i = PCMK_LRM_OP_DONE;
crm_notice("Operation %s found resource %s active in master mode on %s",
task, rsc->id, node->details->uname);
} else if (target_rc == actual_rc_i) {
/* nothing to do */
} else if (target_rc >= 0) {
task_status_i = PCMK_LRM_OP_ERROR;
/* legacy code for pre-0.6.5 operations */
} else if (safe_str_neq(task, CRMD_ACTION_STATUS)
|| rsc->role != RSC_ROLE_MASTER) {
task_status_i = PCMK_LRM_OP_ERROR;
if (rsc->role != RSC_ROLE_MASTER) {
crm_err("%s reported %s in master mode on %s",
id, rsc->id, node->details->uname);
}
}
rsc->role = RSC_ROLE_MASTER;
break;
case PCMK_EXECRA_FAILED_MASTER:
rsc->role = RSC_ROLE_MASTER;
task_status_i = PCMK_LRM_OP_ERROR;
break;
case PCMK_EXECRA_UNIMPLEMENT_FEATURE:
if (interval > 0) {
task_status_i = PCMK_LRM_OP_NOTSUPPORTED;
break;
}
/* else: fall through */
case PCMK_EXECRA_INSUFFICIENT_PRIV:
case PCMK_EXECRA_NOT_INSTALLED:
case PCMK_EXECRA_INVALID_PARAM:
effective_node = node;
/* fall through */
case PCMK_EXECRA_NOT_CONFIGURED:
failed = rsc;
if (is_not_set(rsc->flags, pe_rsc_unique)) {
failed = uber_parent(failed);
}
do_crm_log(actual_rc_i == PCMK_EXECRA_NOT_INSTALLED ? LOG_NOTICE : LOG_ERR,
"Preventing %s from re-starting %s %s: operation %s failed '%s' (rc=%d)",
failed->id,
effective_node ? "on" : "anywhere in the cluster",
effective_node ? effective_node->details->uname : "",
task, lrmd_event_rc2str(actual_rc_i), actual_rc_i);
resource_location(failed, effective_node, -INFINITY, "hard-error", data_set);
if (is_probe) {
/* treat these like stops */
task = CRMD_ACTION_STOP;
task_status_i = PCMK_LRM_OP_DONE;
crm_xml_add(xml_op, XML_ATTR_UNAME, node->details->uname);
if (actual_rc_i != PCMK_EXECRA_NOT_INSTALLED
|| is_set(data_set->flags, pe_flag_symmetric_cluster)) {
if ((node->details->shutdown == FALSE) || (node->details->online == TRUE)) {
add_node_copy(data_set->failed, xml_op);
}
}
}
break;
case PCMK_EXECRA_OK:
if (is_probe && target_rc == 7) {
task_status_i = PCMK_LRM_OP_DONE;
crm_info("Operation %s found resource %s active on %s",
task, rsc->id, node->details->uname);
/* legacy code for pre-0.6.5 operations */
} else if (target_rc < 0 && interval > 0 && rsc->role == RSC_ROLE_MASTER) {
/* catch status ops that return 0 instead of 8 while they
* are supposed to be in master mode
*/
task_status_i = PCMK_LRM_OP_ERROR;
}
break;
default:
if (task_status_i == PCMK_LRM_OP_DONE) {
crm_info("Remapping %s (rc=%d) on %s to an ERROR",
id, actual_rc_i, node->details->uname);
task_status_i = PCMK_LRM_OP_ERROR;
}
}
if (task_status_i == PCMK_LRM_OP_ERROR
|| task_status_i == PCMK_LRM_OP_TIMEOUT || task_status_i == PCMK_LRM_OP_NOTSUPPORTED) {
const char *action_key = task_key ? task_key : id;
action = custom_action(rsc, strdup(action_key), task, NULL, TRUE, FALSE, data_set);
if (expired) {
crm_notice("Ignoring expired failure (calculated) %s (rc=%d, magic=%s) on %s",
id, actual_rc_i, magic, node->details->uname);
goto done;
} else if (action->on_fail == action_fail_ignore) {
crm_warn("Remapping %s (rc=%d) on %s to DONE: ignore",
id, actual_rc_i, node->details->uname);
task_status_i = PCMK_LRM_OP_DONE;
set_bit(rsc->flags, pe_rsc_failure_ignored);
crm_xml_add(xml_op, XML_ATTR_UNAME, node->details->uname);
if ((node->details->shutdown == FALSE) || (node->details->online == TRUE)) {
add_node_copy(data_set->failed, xml_op);
}
}
}
switch (task_status_i) {
case PCMK_LRM_OP_PENDING:
if (safe_str_eq(task, CRMD_ACTION_START)) {
set_bit(rsc->flags, pe_rsc_start_pending);
set_active(rsc);
} else if (safe_str_eq(task, CRMD_ACTION_PROMOTE)) {
rsc->role = RSC_ROLE_MASTER;
}
/*
* Intentionally ignoring pending migrate ops here;
* haven't decided if we need to do anything special
* with them yet...
*/
break;
case PCMK_LRM_OP_DONE:
crm_trace("%s/%s completed on %s", rsc->id, task, node->details->uname);
if (actual_rc_i == PCMK_EXECRA_NOT_RUNNING) {
clear_past_failure = TRUE;
} 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)) {
/*
* The normal sequence is (now): migrate_to(Src) -> migrate_from(Tgt) -> stop(Src)
*
* So if a migrate_to is followed by a stop, then we dont need to care what
* happended on the target node
*
* Without the stop, we need to look for a successful migrate_from.
* This would also imply we're no longer running on the source
*
* Without the stop, and without a migrate_from op we make sure the resource
* gets stopped on both source and target (assuming the target is up)
*
*/
int stop_id = 0;
xmlNode *stop_op =
find_lrm_op(rsc->id, CRMD_ACTION_STOP, node->details->id, NULL, data_set);
if (stop_op) {
crm_element_value_int(stop_op, XML_LRM_ATTR_CALLID, &stop_id);
}
if (stop_op == NULL || stop_id < task_id) {
int from_rc = 0, from_status = 0;
const char *migrate_source =
crm_element_value(xml_op, XML_LRM_ATTR_MIGRATE_SOURCE);
const char *migrate_target =
crm_element_value(xml_op, XML_LRM_ATTR_MIGRATE_TARGET);
node_t *target = pe_find_node(data_set->nodes, migrate_target);
node_t *source = pe_find_node(data_set->nodes, migrate_source);
xmlNode *migrate_from =
find_lrm_op(rsc->id, CRMD_ACTION_MIGRATED, migrate_target, migrate_source,
data_set);
rsc->role = RSC_ROLE_STARTED; /* can be master? */
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);
crm_trace("%s op on %s exited with status=%d, rc=%d",
ID(migrate_from), migrate_target, from_status, from_rc);
}
if (migrate_from && from_rc == PCMK_EXECRA_OK && from_status == PCMK_LRM_OP_DONE) {
crm_trace("Detected dangling migration op: %s on %s", ID(xml_op),
migrate_source);
/* all good
* just need to arrange for the stop action to get sent
* but _without_ affecting the target somehow
*/
rsc->role = RSC_ROLE_STOPPED;
rsc->dangling_migrations = g_list_prepend(rsc->dangling_migrations, node);
} else if (migrate_from) { /* Failed */
crm_trace("Marking active on %s %p %d", migrate_target, target,
target->details->online);
if (target && target->details->online) {
native_add_running(rsc, target, data_set);
}
} else { /* Pending or complete but erased */
node_t *target = pe_find_node_id(data_set->nodes, migrate_target);
crm_trace("Marking active on %s %p %d", migrate_target, target,
target->details->online);
if (target && target->details->online) {
native_add_running(rsc, target, data_set);
if (source && source->details->online) {
/* If we make it here we have a partial migration. The migrate_to
* has completed but the migrate_from on the target has not. Hold on
* to the target and source on the resource. Later on if we detect that
* the resource is still going to run on that target, we may continue
* the migration */
rsc->partial_migration_target = target;
rsc->partial_migration_source = source;
}
} else {
/* Consider it failed here - forces a restart, prevents migration */
set_bit(rsc->flags, pe_rsc_failed);
}
}
}
} else if (rsc->role < RSC_ROLE_STARTED) {
/* start, migrate_to and migrate_from will land here */
crm_trace("%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_block:
case action_fail_stop:
case action_fail_fence:
case action_fail_migrate:
case action_fail_standby:
crm_trace("%s.%s is not cleared by a completed stop",
rsc->id, fail2text(*on_fail));
break;
case action_fail_ignore:
case action_fail_recover:
*on_fail = action_fail_ignore;
rsc->next_role = RSC_ROLE_UNKNOWN;
}
}
break;
case PCMK_LRM_OP_ERROR:
case PCMK_LRM_OP_TIMEOUT:
case PCMK_LRM_OP_NOTSUPPORTED:
crm_warn("Processing failed op %s on %s: %s (%d)",
id, node->details->uname, lrmd_event_rc2str(actual_rc_i), actual_rc_i);
crm_xml_add(xml_op, XML_ATTR_UNAME, node->details->uname);
if ((node->details->shutdown == FALSE) || (node->details->online == TRUE)) {
add_node_copy(data_set->failed, xml_op);
}
if (*on_fail < action->on_fail) {
*on_fail = action->on_fail;
}
if (safe_str_eq(task, CRMD_ACTION_STOP)) {
resource_location(rsc, node, -INFINITY, "__stop_fail__", data_set);
} else if (safe_str_eq(task, CRMD_ACTION_MIGRATED)) {
int stop_id = 0;
int migrate_id = 0;
const char *migrate_source = crm_element_value(xml_op, XML_LRM_ATTR_MIGRATE_SOURCE);
const char *migrate_target = crm_element_value(xml_op, XML_LRM_ATTR_MIGRATE_TARGET);
xmlNode *stop_op =
find_lrm_op(rsc->id, CRMD_ACTION_STOP, migrate_source, NULL, data_set);
xmlNode *migrate_op =
find_lrm_op(rsc->id, CRMD_ACTION_MIGRATE, migrate_source, migrate_target,
data_set);
if (stop_op) {
crm_element_value_int(stop_op, XML_LRM_ATTR_CALLID, &stop_id);
}
if (migrate_op) {
crm_element_value_int(migrate_op, XML_LRM_ATTR_CALLID, &migrate_id);
}
/* Get our state right */
rsc->role = RSC_ROLE_STARTED; /* can be master? */
if (stop_op == NULL || stop_id < migrate_id) {
node_t *source = pe_find_node(data_set->nodes, migrate_source);
if (source && source->details->online) {
native_add_running(rsc, source, data_set);
}
}
} else if (safe_str_eq(task, CRMD_ACTION_MIGRATE)) {
int stop_id = 0;
int migrate_id = 0;
const char *migrate_source = crm_element_value(xml_op, XML_LRM_ATTR_MIGRATE_SOURCE);
const char *migrate_target = crm_element_value(xml_op, XML_LRM_ATTR_MIGRATE_TARGET);
xmlNode *stop_op =
find_lrm_op(rsc->id, CRMD_ACTION_STOP, migrate_target, NULL, data_set);
xmlNode *migrate_op =
find_lrm_op(rsc->id, CRMD_ACTION_MIGRATED, migrate_target, migrate_source,
data_set);
if (stop_op) {
crm_element_value_int(stop_op, XML_LRM_ATTR_CALLID, &stop_id);
}
if (migrate_op) {
crm_element_value_int(migrate_op, XML_LRM_ATTR_CALLID, &migrate_id);
}
/* Get our state right */
rsc->role = RSC_ROLE_STARTED; /* can be master? */
if (stop_op == NULL || stop_id < migrate_id) {
node_t *target = pe_find_node(data_set->nodes, migrate_target);
crm_trace("Stop: %p %d, Migrated: %p %d", stop_op, stop_id, migrate_op,
migrate_id);
if (target && target->details->online) {
native_add_running(rsc, target, data_set);
}
} else if (migrate_op == NULL) {
/* Make sure it gets cleaned up, the stop may pre-date the migrate_from */
rsc->dangling_migrations = g_list_prepend(rsc->dangling_migrations, node);
}
} else if (safe_str_eq(task, CRMD_ACTION_PROMOTE)) {
rsc->role = RSC_ROLE_MASTER;
} else if (safe_str_eq(task, CRMD_ACTION_DEMOTE)) {
/*
* staying in role=master ends up putting the PE/TE into a loop
* setting role=slave is not dangerous because no master will be
* promoted until the failed resource has been fully stopped
*/
crm_warn("Forcing %s to stop after a failed demote action", rsc->id);
rsc->next_role = RSC_ROLE_STOPPED;
rsc->role = RSC_ROLE_SLAVE;
} else if (compare_version("2.0", op_version) > 0
&& safe_str_eq(task, CRMD_ACTION_START)) {
crm_warn("Compatibility handling for failed op %s on %s", id, node->details->uname);
resource_location(rsc, node, -INFINITY, "__legacy_start__", data_set);
}
if (rsc->role < RSC_ROLE_STARTED) {
set_active(rsc);
}
crm_trace("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;
crm_err("Making sure %s doesn't come up again", rsc->id);
/* make sure it doesnt come up again */
g_hash_table_destroy(rsc->allowed_nodes);
rsc->allowed_nodes = node_hash_from_list(data_set->nodes);
g_hash_table_foreach(rsc->allowed_nodes, set_node_score, &score);
}
pe_free_action(action);
action = NULL;
break;
case PCMK_LRM_OP_CANCELLED:
/* do nothing?? */
pe_err("Dont know what to do for cancelled ops yet");
break;
}
done:
crm_trace("Resource %s after %s: role=%s", rsc->id, task, role2text(rsc->role));
pe_free_action(action);
return TRUE;
}
gboolean
add_node_attrs(xmlNode * xml_obj, node_t * node, gboolean overwrite, pe_working_set_t * data_set)
{
g_hash_table_insert(node->details->attrs,
strdup("#" XML_ATTR_UNAME), strdup(node->details->uname));
g_hash_table_insert(node->details->attrs,
strdup("#" XML_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("#" XML_ATTR_DC), strdup(XML_BOOLEAN_TRUE));
} else {
g_hash_table_insert(node->details->attrs,
strdup("#" XML_ATTR_DC), strdup(XML_BOOLEAN_FALSE));
}
unpack_instance_attributes(data_set->input, xml_obj, XML_TAG_ATTR_SETS, NULL,
node->details->attrs, NULL, overwrite, data_set->now);
return TRUE;
}
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(rsc_entry); rsc_op != NULL; rsc_op = __xml_next(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);
const char *uname = NULL;
node_t *this_node = NULL;
xmlNode *node_state = NULL;
for (node_state = __xml_first_child(status); node_state != NULL;
node_state = __xml_next(node_state)) {
if (crm_str_eq((const char *)node_state->name, XML_CIB_TAG_STATE, TRUE)) {
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);
CRM_CHECK(this_node != NULL, continue);
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(tmp); lrm_rsc != NULL;
lrm_rsc = __xml_next(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/unpack.h b/lib/pengine/unpack.h
index fd25d5cce7..f2f3080f7b 100644
--- a/lib/pengine/unpack.h
+++ b/lib/pengine/unpack.h
@@ -1,97 +1,94 @@
/*
* 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
*/
#ifndef PENGINE_UNPACK__H
# define PENGINE_UNPACK__H
extern gboolean unpack_resources(xmlNode * xml_resources, pe_working_set_t * data_set);
extern gboolean unpack_config(xmlNode * config, pe_working_set_t * data_set);
extern gboolean unpack_nodes(xmlNode * xml_nodes, pe_working_set_t * data_set);
extern gboolean unpack_domains(xmlNode * xml_domains, pe_working_set_t * data_set);
extern gboolean unpack_status(xmlNode * status, pe_working_set_t * data_set);
extern gint sort_op_by_callid(gconstpointer a, gconstpointer b);
extern gboolean unpack_lrm_resources(node_t * node, xmlNode * lrm_state,
pe_working_set_t * data_set);
extern gboolean add_node_attrs(xmlNode * attrs, node_t * node, gboolean overwrite,
pe_working_set_t * data_set);
extern gboolean determine_online_status(xmlNode * node_state, node_t * this_node,
pe_working_set_t * data_set);
extern const char *param_value(GHashTable * hash, xmlNode * parent, const char *name);
-extern char *clone_zero(const char *last_rsc_id);
-extern char *increment_clone(char *last_rsc_id);
-
/*
* The man pages for both curses and ncurses suggest inclusion of "curses.h".
* We believe the following to be acceptable and portable.
*/
# if defined(HAVE_LIBNCURSES) || defined(HAVE_LIBCURSES)
# if defined(HAVE_NCURSES_H) && !defined(HAVE_INCOMPATIBLE_PRINTW)
# include <ncurses.h>
# define CURSES_ENABLED 1
# elif defined(HAVE_NCURSES_NCURSES_H) && !defined(HAVE_INCOMPATIBLE_PRINTW)
# include <ncurses/ncurses.h>
# define CURSES_ENABLED 1
# elif defined(HAVE_CURSES_H) && !defined(HAVE_INCOMPATIBLE_PRINTW)
# include <curses.h>
# define CURSES_ENABLED 1
# elif defined(HAVE_CURSES_CURSES_H) && !defined(HAVE_INCOMPATIBLE_PRINTW)
# include <curses/curses.h>
# define CURSES_ENABLED 1
# else
# define CURSES_ENABLED 0
# endif
# else
# define CURSES_ENABLED 0
# endif
# if CURSES_ENABLED
# define status_printw(fmt, args...) printw(fmt, ##args)
# else
# define status_printw(fmt, args...) \
crm_err("printw support requires ncurses to be available during configure"); \
do_crm_log(LOG_WARNING, fmt, ##args);
# endif
# define status_print(fmt, args...) \
if(options & pe_print_html) { \
FILE *stream = print_data; \
fprintf(stream, fmt, ##args); \
} else if(options & pe_print_ncurses) { \
status_printw(fmt, ##args); \
} else if(options & pe_print_printf) { \
FILE *stream = print_data; \
fprintf(stream, fmt, ##args); \
} else if(options & pe_print_xml) { \
FILE *stream = print_data; \
fprintf(stream, fmt, ##args); \
} else if(options & pe_print_log) { \
int log_level = *(int*)print_data; \
do_crm_log(log_level, fmt, ##args); \
}
#endif
diff --git a/lib/pengine/utils.c b/lib/pengine/utils.c
index 83a62b0256..e3dbd3b6ec 100644
--- a/lib/pengine/utils.c
+++ b/lib/pengine/utils.c
@@ -1,1512 +1,1511 @@
/*
* 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, pe_working_set_t * data_set);
static xmlNode *find_rsc_op_entry_helper(resource_t * rsc, const char *key, gboolean include_disabled);
node_t *
node_copy(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->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;
}
static 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) {
/* 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;
char *score = score2char(node->weight);
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);
}
free(score);
}
g_list_free(list);
} else if (hash) {
g_hash_table_iter_init(&iter, hash);
while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) {
char *score = score2char(node->weight);
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);
}
free(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, return NULL);
if (save_action && rsc != NULL) {
possible_matches = find_actions(rsc->actions, key, on_node);
}
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);
crm_trace("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) {
crm_trace("Creating%s action %d: %s for %s on %s",
optional ? "" : " manditory", data_set->action_id, key,
rsc ? rsc->id : "<NULL>", on_node ? on_node->details->uname : "<NULL>");
}
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_failure_is_fatal);
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);
}
/*
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) {
action->op_entry = find_rsc_op_entry_helper(rsc, key, TRUE);
unpack_operation(action, action->op_entry, data_set);
if (save_action) {
rsc->actions = g_list_prepend(rsc->actions, action);
}
}
if (save_action) {
crm_trace("Action %d created", action->id);
}
}
if (optional == FALSE) {
crm_trace("Action %d (%s) marked manditory", action->id, 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_DEBUG_3;
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_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_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) {
do_crm_log(warn_level, "Marking node %s unclean", action->node->details->uname);
action->node->details->unclean = TRUE;
}
} 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) {
crm_trace("Action %s doesnt require anything", action->uuid);
pe_set_action_bit(action, pe_action_runnable);
#if 0
/*
* No point checking this
* - if we dont have quorum we cant 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) {
crm_trace("Check resource is already active");
if (rsc->fns->active(rsc, TRUE) == FALSE) {
pe_clear_action_bit(action, pe_action_runnable);
crm_debug("%s\t%s (cancelled : quorum freeze)",
action->node->details->uname, action->uuid);
}
} else {
crm_trace("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;
}
void
unpack_operation(action_t * action, xmlNode * xml_obj, 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 *class = 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");
class = g_hash_table_lookup(action->rsc->meta, "class");
value = g_hash_table_lookup(action->meta, "requires");
if (safe_str_eq(class, "stonith")) {
action->needs = rsc_req_nothing;
value = "nothing (fencing op)";
} 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 (is_set(data_set->flags, pe_flag_stonith_enabled)
&& safe_str_eq(value, "fencing")) {
action->needs = rsc_req_stonith;
} else {
if (value) {
crm_config_err("Invalid value for %s->requires: %s%s",
action->rsc->id, value,
is_set(data_set->flags,
pe_flag_stonith_enabled) ? "" : " (stonith-enabled=false)");
}
if (safe_str_eq(action->task, CRMD_ACTION_STATUS)
|| safe_str_eq(action->task, CRMD_ACTION_NOTIFY)) {
action->needs = rsc_req_nothing;
value = "nothing (default)";
} else if (data_set->no_quorum_policy == no_quorum_stop
&& safe_str_neq(action->task, CRMD_ACTION_START)) {
action->needs = rsc_req_nothing;
value = "nothing (default)";
} else if (is_set(data_set->flags, pe_flag_stonith_enabled)) {
action->needs = rsc_req_stonith;
value = "fencing (default)";
} else {
action->needs = rsc_req_quorum;
value = "quorum (default)";
}
}
crm_trace("\tAction %s requires: %s", action->task, value);
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);
value = NULL;
}
if (value == NULL) {
} else if (safe_str_eq(value, "block")) {
action->on_fail = action_fail_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 {
pe_err("Resource %s: Unknown failure type (%s)", action->rsc->id, value);
value = NULL;
}
/* defaults */
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)";
}
crm_trace("\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;
}
}
crm_trace("\t%s failure results in: %s", action->task, role2text(action->fail_role));
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);
}
}
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)) {
char *date_str = NULL;
char *date_str_mutable = NULL;
ha_time_t *origin = NULL;
value = g_hash_table_lookup(action->meta, XML_OP_ATTR_ORIGIN);
date_str = strdup(value);
date_str_mutable = date_str;
origin = parse_date(&date_str_mutable);
free(date_str);
if (origin == NULL) {
crm_config_err("Operation %s contained an invalid " XML_OP_ATTR_ORIGIN ": %s",
ID(xml_obj), value);
} else {
ha_time_t *delay = NULL;
int rc = compare_date(origin, data_set->now);
unsigned long long delay_s = 0;
while (rc < 0) {
add_seconds(origin, interval / 1000);
rc = compare_date(origin, data_set->now);
}
delay = subtract_time(origin, data_set->now);
delay_s = date_in_seconds(delay);
/* log_date(LOG_DEBUG_5, "delay", delay, ha_log_date|ha_log_time|ha_log_local); */
crm_info("Calculated a start delay of %llus for %s", delay_s, ID(xml_obj));
g_hash_table_replace(action->meta, strdup(XML_OP_ATTR_START_DELAY),
crm_itoa(delay_s * 1000));
start_delay = delay_s * 1000;
free_ha_date(origin);
free_ha_date(delay);
}
}
field = XML_ATTR_TIMEOUT;
value = g_hash_table_lookup(action->meta, field);
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_i += start_delay;
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)
{
int 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(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);
if (number < 0) {
continue;
}
match_key = generate_op_key(rsc->id, 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_trace("%s%s%sNode %s: (weight=%d, fixed=%s)",
pre_text == NULL ? "" : pre_text,
pre_text == NULL ? "" : ": ",
node->details ==
NULL ? "error " : node->details->online ? "" : "Unavailable/Unclean ",
node->details->uname, node->weight, node->fixed ? "True" : "False");
if (details && node != NULL && node->details != NULL) {
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;
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->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, 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)) {
continue;
} else if (on_node == NULL) {
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);
action->node = node_copy(on_node);
result = g_list_prepend(result, action);
} else if (on_node->details == action->node->details) {
result = g_list_prepend(result, action);
}
}
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);
}
}
crm_trace("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 doesnt 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, "last-rc-change", &last_a);
crm_element_value_const_int(xml_b, "last-rc-change", &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"));
CRM_CHECK(decode_transition_magic(a_magic, &a_uuid, &a_id, &dummy, &dummy, &dummy, &dummy),
sort_return(0, "bad magic a"));
CRM_CHECK(decode_transition_magic(b_magic, &b_uuid, &b_id, &dummy, &dummy, &dummy, &dummy),
sort_return(0, "bad magic b"));
/* try and determin the relative age of the operation...
* some pending operations (ie. a start) may have been supuerceeded
* 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 doesnt 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_timet_now(pe_working_set_t * data_set)
{
time_t now = 0;
if (data_set && data_set->now) {
now = data_set->now->tm_now;
}
if (now == 0) {
/* eventually we should convert data_set->now into time_tm
* for now, its only triggered by PE regression tests
*/
now = time(NULL);
crm_crit("Defaulting to 'now'");
if (data_set && data_set->now) {
data_set->now->tm_now = now;
}
}
return now;
}
struct fail_search {
resource_t *rsc;
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 *key = key_p;
const char *match = strstr(key, search->key);
if (match) {
if (strstr(key, "last-failure-") == key && (key + 13) == match) {
search->last = crm_int_helper(value, NULL);
} else if (strstr(key, "fail-count-") == key && (key + 11) == match) {
search->count += char2score(value);
}
}
}
int
get_failcount(node_t * node, resource_t * rsc, int *last_failure, pe_working_set_t * data_set)
{
+ char *key = NULL;
+ const char *value = NULL;
struct fail_search search = { rsc, 0, 0, NULL };
- search.key = strdup(rsc->id);
+ /* 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);
+ 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);
- if (is_not_set(rsc->flags, pe_rsc_unique)) {
+ /* This block wont be relevant once we omit anonymous instance numbers */
+ } else if (is_not_set(rsc->flags, pe_rsc_unique)) {
int lpc = 0;
search.rsc = uber_parent(rsc);
+ search.key = strdup(rsc->id);
/* Strip the clone incarnation */
for (lpc = strlen(search.key); lpc > 0; lpc--) {
if (search.key[lpc] == ':') {
search.key[lpc + 1] = 0;
break;
}
}
g_hash_table_foreach(node->details->attrs, get_failcount_by_prefix, &search);
-
- } else {
- /* Optimize the "normal" case */
- char *key = NULL;
- const char *value = NULL;
-
- key = crm_concat("fail-count", rsc->id, '-');
- value = g_hash_table_lookup(node->details->attrs, key);
- search.count = char2score(value);
- free(key);
-
- key = crm_concat("last-failure", rsc->id, '-');
- value = g_hash_table_lookup(node->details->attrs, key);
- search.last = crm_int_helper(value, NULL);
- free(key);
+ free(search.key);
}
if (search.count != 0 && search.last != 0 && rsc->failure_timeout) {
if (last_failure) {
*last_failure = search.last;
}
if (search.last > 0) {
time_t now = get_timet_now(data_set);
if (now > (search.last + rsc->failure_timeout)) {
crm_notice("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);
}
- free(search.key);
return search.count;
}
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);
/* 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;
const char *op_s = name;
GListPtr possible_matches = NULL;
possible_matches = find_actions(data_set->actions, name, NULL);
if (possible_matches != NULL) {
if (g_list_length(possible_matches) > 1) {
pe_warn("Action %s exists %d times", name, g_list_length(possible_matches));
}
op = g_list_nth_data(possible_matches, 0);
g_list_free(possible_matches);
} else {
op = custom_action(NULL, strdup(op_s), op_s, 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;
}
diff --git a/pengine/allocate.c b/pengine/allocate.c
index 83f1029da7..932c91f416 100644
--- a/pengine/allocate.c
+++ b/pengine/allocate.c
@@ -1,2263 +1,2277 @@
/*
* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This software 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
* General Public License for more details.
*
* You should have received a copy of the GNU 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 <sys/param.h>
#include <crm/crm.h>
#include <crm/cib.h>
#include <crm/msg_xml.h>
#include <crm/common/xml.h>
#include <glib.h>
#include <crm/pengine/status.h>
#include <pengine.h>
#include <allocate.h>
#include <utils.h>
CRM_TRACE_INIT_DATA(pe_allocate);
void set_alloc_actions(pe_working_set_t * data_set);
void migrate_reload_madness(pe_working_set_t * data_set);
resource_alloc_functions_t resource_class_alloc_functions[] = {
{
native_merge_weights,
native_color,
native_create_actions,
native_create_probe,
native_internal_constraints,
native_rsc_colocation_lh,
native_rsc_colocation_rh,
native_rsc_location,
native_action_flags,
native_update_actions,
native_expand,
native_append_meta,
},
{
group_merge_weights,
group_color,
group_create_actions,
native_create_probe,
group_internal_constraints,
group_rsc_colocation_lh,
group_rsc_colocation_rh,
group_rsc_location,
group_action_flags,
group_update_actions,
group_expand,
group_append_meta,
},
{
native_merge_weights,
clone_color,
clone_create_actions,
clone_create_probe,
clone_internal_constraints,
clone_rsc_colocation_lh,
clone_rsc_colocation_rh,
clone_rsc_location,
clone_action_flags,
clone_update_actions,
clone_expand,
clone_append_meta,
},
{
native_merge_weights,
master_color,
master_create_actions,
clone_create_probe,
master_internal_constraints,
clone_rsc_colocation_lh,
master_rsc_colocation_rh,
clone_rsc_location,
clone_action_flags,
clone_update_actions,
clone_expand,
master_append_meta,
}
};
static gboolean
check_rsc_parameters(resource_t * rsc, node_t * node, xmlNode * rsc_entry,
pe_working_set_t * data_set)
{
int attr_lpc = 0;
gboolean force_restart = FALSE;
gboolean delete_resource = FALSE;
const char *value = NULL;
const char *old_value = NULL;
const char *attr_list[] = {
XML_ATTR_TYPE,
XML_AGENT_ATTR_CLASS,
XML_AGENT_ATTR_PROVIDER
};
for (; attr_lpc < DIMOF(attr_list); attr_lpc++) {
value = crm_element_value(rsc->xml, attr_list[attr_lpc]);
old_value = crm_element_value(rsc_entry, attr_list[attr_lpc]);
if (value == old_value /* ie. NULL */
|| crm_str_eq(value, old_value, TRUE)) {
continue;
}
force_restart = TRUE;
crm_notice("Forcing restart of %s on %s, %s changed: %s -> %s",
rsc->id, node->details->uname, attr_list[attr_lpc],
crm_str(old_value), crm_str(value));
}
if (force_restart) {
/* make sure the restart happens */
stop_action(rsc, node, FALSE);
set_bit(rsc->flags, pe_rsc_start_pending);
delete_resource = TRUE;
}
return delete_resource;
}
static void
CancelXmlOp(resource_t * rsc, xmlNode * xml_op, node_t * active_node,
const char *reason, pe_working_set_t * data_set)
{
int interval = 0;
action_t *cancel = NULL;
char *key = NULL;
const char *task = NULL;
const char *call_id = NULL;
const char *interval_s = NULL;
CRM_CHECK(xml_op != NULL, return);
CRM_CHECK(active_node != NULL, return);
task = crm_element_value(xml_op, XML_LRM_ATTR_TASK);
call_id = crm_element_value(xml_op, XML_LRM_ATTR_CALLID);
interval_s = crm_element_value(xml_op, XML_LRM_ATTR_INTERVAL);
interval = crm_parse_int(interval_s, "0");
/* we need to reconstruct the key because of the way we used to construct resource IDs */
key = generate_op_key(rsc->id, task, interval);
crm_info("Action %s on %s will be stopped: %s",
key, active_node->details->uname, reason ? reason : "unknown");
cancel = custom_action(rsc, strdup(key), RSC_CANCEL, active_node, FALSE, TRUE, data_set);
free(cancel->task);
cancel->task = strdup(RSC_CANCEL);
add_hash_param(cancel->meta, XML_LRM_ATTR_TASK, task);
add_hash_param(cancel->meta, XML_LRM_ATTR_CALLID, call_id);
add_hash_param(cancel->meta, XML_LRM_ATTR_INTERVAL, interval_s);
custom_action_order(rsc, stop_key(rsc), NULL, rsc, NULL, cancel, pe_order_optional, data_set);
free(key);
key = NULL;
}
static gboolean
check_action_definition(resource_t * rsc, node_t * active_node, xmlNode * xml_op,
pe_working_set_t * data_set)
{
char *key = NULL;
int interval = 0;
const char *interval_s = NULL;
gboolean did_change = FALSE;
xmlNode *params_all = NULL;
xmlNode *params_restart = NULL;
GHashTable *local_rsc_params = NULL;
char *digest_all_calc = NULL;
const char *digest_all = NULL;
const char *restart_list = NULL;
const char *digest_restart = NULL;
char *digest_restart_calc = NULL;
action_t *action = NULL;
const char *task = crm_element_value(xml_op, XML_LRM_ATTR_TASK);
const char *op_version = crm_element_value(xml_op, XML_ATTR_CRM_VERSION);
CRM_CHECK(active_node != NULL, return FALSE);
if (safe_str_eq(task, RSC_STOP)) {
return FALSE;
}
interval_s = crm_element_value(xml_op, XML_LRM_ATTR_INTERVAL);
interval = crm_parse_int(interval_s, "0");
/* we need to reconstruct the key because of the way we used to construct resource IDs */
key = generate_op_key(rsc->id, task, interval);
if (interval > 0) {
xmlNode *op_match = NULL;
crm_trace("Checking parameters for %s", key);
op_match = find_rsc_op_entry(rsc, key);
if (op_match == NULL && is_set(data_set->flags, pe_flag_stop_action_orphans)) {
CancelXmlOp(rsc, xml_op, active_node, "orphan", data_set);
free(key);
return TRUE;
} else if (op_match == NULL) {
crm_debug("Orphan action detected: %s on %s", key, active_node->details->uname);
free(key);
return TRUE;
}
}
action = custom_action(rsc, key, task, active_node, TRUE, FALSE, data_set);
/* key is free'd by custom_action() */
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, active_node, data_set);
params_all = create_xml_node(NULL, XML_TAG_PARAMS);
g_hash_table_foreach(local_rsc_params, hash2field, params_all);
g_hash_table_foreach(action->extra, hash2field, params_all);
g_hash_table_foreach(rsc->parameters, hash2field, params_all);
g_hash_table_foreach(action->meta, hash2metafield, params_all);
filter_action_parameters(params_all, op_version);
digest_all_calc = calculate_operation_digest(params_all, op_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);
restart_list = crm_element_value(xml_op, XML_LRM_ATTR_OP_RESTART);
if (interval == 0 && safe_str_eq(task, RSC_STATUS)) {
/* Reload based on the start action not a probe */
task = RSC_START;
} else if (interval == 0 && safe_str_eq(task, RSC_MIGRATED)) {
/* Reload based on the start action not a migrate */
task = RSC_START;
}
if (digest_restart) {
/* Changes that force a restart */
params_restart = copy_xml(params_all);
if (restart_list) {
filter_reload_parameters(params_restart, restart_list);
}
digest_restart_calc = calculate_operation_digest(params_restart, op_version);
if (safe_str_neq(digest_restart_calc, digest_restart)) {
did_change = TRUE;
key = generate_op_key(rsc->id, task, interval);
crm_log_xml_info(params_restart, "params:restart");
crm_info("Parameters to %s on %s changed: was %s vs. now %s (restart:%s) %s",
key, active_node->details->uname,
crm_str(digest_restart), digest_restart_calc,
op_version, crm_element_value(xml_op, XML_ATTR_TRANSITION_MAGIC));
custom_action(rsc, key, task, NULL, FALSE, TRUE, data_set);
goto cleanup;
}
}
if (safe_str_neq(digest_all_calc, digest_all)) {
/* Changes that can potentially be handled by a reload */
did_change = TRUE;
crm_log_xml_info(params_all, "params:reload");
key = generate_op_key(rsc->id, task, interval);
crm_info("Parameters to %s on %s changed: was %s vs. now %s (reload:%s) %s",
key, active_node->details->uname,
crm_str(digest_all), digest_all_calc, op_version,
crm_element_value(xml_op, XML_ATTR_TRANSITION_MAGIC));
if (interval > 0) {
action_t *op = NULL;
#if 0
/* Always reload/restart the entire resource */
op = custom_action(rsc, start_key(rsc), RSC_START, NULL, FALSE, TRUE, data_set);
update_action_flags(op, pe_action_allow_reload_conversion);
#else
/* Re-sending the recurring op is sufficient - the old one will be cancelled automatically */
op = custom_action(rsc, key, task, NULL, FALSE, TRUE, data_set);
custom_action_order(rsc, start_key(rsc), NULL,
NULL, NULL, op, pe_order_runnable_left, data_set);
#endif
} else if (digest_restart) {
crm_trace("Reloading '%s' action for resource %s", task, rsc->id);
/* Allow this resource to reload - unless something else causes a full restart */
set_bit(rsc->flags, pe_rsc_try_reload);
/* Create these for now, it keeps the action IDs the same in the regression outputs */
custom_action(rsc, key, task, NULL, TRUE, TRUE, data_set);
} else {
crm_trace("Resource %s doesn't know how to reload", rsc->id);
/* Re-send the start/demote/promote op
* Recurring ops will be detected independantly
*/
custom_action(rsc, key, task, NULL, FALSE, TRUE, data_set);
}
}
cleanup:
free_xml(params_all);
free_xml(params_restart);
free(digest_all_calc);
free(digest_restart_calc);
g_hash_table_destroy(local_rsc_params);
pe_free_action(action);
return did_change;
}
extern gboolean DeleteRsc(resource_t * rsc, node_t * node, gboolean optional,
pe_working_set_t * data_set);
static void
check_actions_for(xmlNode * rsc_entry, resource_t * rsc, node_t * node, pe_working_set_t * data_set)
{
GListPtr gIter = NULL;
int offset = -1;
int interval = 0;
int stop_index = 0;
int start_index = 0;
const char *task = NULL;
const char *interval_s = NULL;
xmlNode *rsc_op = NULL;
GListPtr op_list = NULL;
GListPtr sorted_op_list = NULL;
gboolean is_probe = FALSE;
gboolean did_change = FALSE;
CRM_CHECK(node != NULL, return);
if (is_set(rsc->flags, pe_rsc_orphan)) {
crm_trace("Skipping param check for %s: orphan", rsc->id);
return;
} else if (pe_find_node_id(rsc->running_on, node->details->id) == NULL) {
crm_trace("Skipping param check for %s: no longer active on %s",
rsc->id, node->details->uname);
return;
}
crm_trace("Processing %s on %s", rsc->id, node->details->uname);
if (check_rsc_parameters(rsc, node, rsc_entry, data_set)) {
DeleteRsc(rsc, node, FALSE, data_set);
}
for (rsc_op = __xml_first_child(rsc_entry); rsc_op != NULL; rsc_op = __xml_next(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);
}
}
sorted_op_list = g_list_sort(op_list, sort_op_by_callid);
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;
offset++;
if (start_index < stop_index) {
/* stopped */
continue;
} else if (offset < start_index) {
/* action occurred prior to a start */
continue;
}
is_probe = FALSE;
did_change = FALSE;
task = crm_element_value(rsc_op, XML_LRM_ATTR_TASK);
interval_s = crm_element_value(rsc_op, XML_LRM_ATTR_INTERVAL);
interval = crm_parse_int(interval_s, "0");
if (interval == 0 && safe_str_eq(task, RSC_STATUS)) {
is_probe = TRUE;
}
if (interval > 0 && is_set(data_set->flags, pe_flag_maintenance_mode)) {
CancelXmlOp(rsc, rsc_op, node, "maintenance mode", data_set);
} else if (is_probe || safe_str_eq(task, RSC_START) || interval > 0 || safe_str_eq(task, RSC_MIGRATED)) {
did_change = check_action_definition(rsc, node, rsc_op, data_set);
}
if (did_change && get_failcount(node, rsc, NULL, data_set)) {
char *key = NULL;
action_t *action_clear = NULL;
key = generate_op_key(rsc->id, CRM_OP_CLEAR_FAILCOUNT, 0);
action_clear = custom_action(rsc, key, CRM_OP_CLEAR_FAILCOUNT, node, FALSE, TRUE, data_set);
set_bit(action_clear->flags, pe_action_runnable);
}
}
g_list_free(sorted_op_list);
}
static GListPtr
find_rsc_list(GListPtr result, resource_t * rsc, const char *id, gboolean renamed_clones,
gboolean partial, pe_working_set_t * data_set)
{
GListPtr gIter = NULL;
gboolean match = FALSE;
if (id == NULL) {
return NULL;
} else if (rsc == NULL && data_set) {
for (gIter = data_set->resources; gIter != NULL; gIter = gIter->next) {
resource_t *child = (resource_t *) gIter->data;
result = find_rsc_list(result, child, id, renamed_clones, partial, NULL);
}
return result;
} else if (rsc == NULL) {
return NULL;
}
if (partial) {
if (strstr(rsc->id, id)) {
match = TRUE;
} else if (renamed_clones && rsc->clone_name && strstr(rsc->clone_name, id)) {
match = TRUE;
}
} else {
if (strcmp(rsc->id, id) == 0) {
match = TRUE;
} else if (renamed_clones && rsc->clone_name && strcmp(rsc->clone_name, id) == 0) {
match = TRUE;
}
}
if (match) {
result = g_list_prepend(result, rsc);
}
if (rsc->children) {
gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child = (resource_t *) gIter->data;
result = find_rsc_list(result, child, id, renamed_clones, partial, NULL);
}
}
return result;
}
static void
check_actions(pe_working_set_t * data_set)
{
const char *id = NULL;
node_t *node = NULL;
xmlNode *lrm_rscs = NULL;
xmlNode *status = get_object_root(XML_CIB_TAG_STATUS, data_set->input);
xmlNode *node_state = NULL;
for (node_state = __xml_first_child(status); node_state != NULL;
node_state = __xml_next(node_state)) {
if (crm_str_eq((const char *)node_state->name, XML_CIB_TAG_STATE, TRUE)) {
id = crm_element_value(node_state, XML_ATTR_ID);
lrm_rscs = find_xml_node(node_state, XML_CIB_TAG_LRM, FALSE);
lrm_rscs = find_xml_node(lrm_rscs, XML_LRM_TAG_RESOURCES, FALSE);
node = pe_find_node_id(data_set->nodes, id);
if (node == NULL) {
continue;
} else if (can_run_resources(node) == FALSE) {
crm_trace("Skipping param check for %s: cant run resources",
node->details->uname);
continue;
}
crm_trace("Processing node %s", node->details->uname);
if (node->details->online || is_set(data_set->flags, pe_flag_stonith_enabled)) {
xmlNode *rsc_entry = NULL;
for (rsc_entry = __xml_first_child(lrm_rscs); rsc_entry != NULL;
rsc_entry = __xml_next(rsc_entry)) {
if (crm_str_eq((const char *)rsc_entry->name, XML_LRM_TAG_RESOURCE, TRUE)) {
if (xml_has_children(rsc_entry)) {
GListPtr gIter = NULL;
GListPtr result = NULL;
const char *rsc_id = ID(rsc_entry);
CRM_CHECK(rsc_id != NULL, return);
result = find_rsc_list(NULL, NULL, rsc_id, TRUE, FALSE, data_set);
for (gIter = result; gIter != NULL; gIter = gIter->next) {
resource_t *rsc = (resource_t *) gIter->data;
check_actions_for(rsc_entry, rsc, node, data_set);
}
g_list_free(result);
}
}
}
}
}
}
}
static gboolean
apply_placement_constraints(pe_working_set_t * data_set)
{
GListPtr gIter = NULL;
crm_trace("Applying constraints...");
for (gIter = data_set->placement_constraints; gIter != NULL; gIter = gIter->next) {
rsc_to_node_t *cons = (rsc_to_node_t *) gIter->data;
cons->rsc_lh->cmds->rsc_location(cons->rsc_lh, cons);
}
return TRUE;
}
static void
common_apply_stickiness(resource_t * rsc, node_t * node, pe_working_set_t * data_set)
{
int fail_count = 0;
resource_t *failed = rsc;
if (rsc->children) {
GListPtr gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child_rsc = (resource_t *) gIter->data;
common_apply_stickiness(child_rsc, node, data_set);
}
return;
}
if (is_set(rsc->flags, pe_rsc_managed)
&& rsc->stickiness != 0 && g_list_length(rsc->running_on) == 1) {
node_t *current = pe_find_node_id(rsc->running_on, node->details->id);
node_t *match = pe_hash_table_lookup(rsc->allowed_nodes, node->details->id);
if (current == NULL) {
} else if (match != NULL || is_set(data_set->flags, pe_flag_symmetric_cluster)) {
resource_t *sticky_rsc = rsc;
resource_location(sticky_rsc, node, rsc->stickiness, "stickiness", data_set);
crm_debug("Resource %s: preferring current location"
" (node=%s, weight=%d)", sticky_rsc->id,
node->details->uname, rsc->stickiness);
} else {
GHashTableIter iter;
node_t *nIter = NULL;
crm_debug("Ignoring stickiness for %s: the cluster is asymmetric"
" and node %s is not explicitly allowed", rsc->id, node->details->uname);
g_hash_table_iter_init(&iter, rsc->allowed_nodes);
while (g_hash_table_iter_next(&iter, NULL, (void **)&nIter)) {
crm_err("%s[%s] = %d", rsc->id, nIter->details->uname, nIter->weight);
}
}
}
if (is_not_set(rsc->flags, pe_rsc_unique)) {
failed = uber_parent(rsc);
}
fail_count = get_failcount(node, rsc, NULL, data_set);
if (fail_count > 0 && rsc->migration_threshold != 0) {
if (rsc->migration_threshold <= fail_count) {
resource_location(failed, node, -INFINITY, "__fail_limit__", data_set);
crm_warn("Forcing %s away from %s after %d failures (max=%d)",
failed->id, node->details->uname, fail_count, rsc->migration_threshold);
} else {
crm_notice("%s can fail %d more times on %s before being forced off",
failed->id, rsc->migration_threshold - fail_count, node->details->uname);
}
}
}
static void
complex_set_cmds(resource_t * rsc)
{
GListPtr gIter = rsc->children;
rsc->cmds = &resource_class_alloc_functions[rsc->variant];
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child_rsc = (resource_t *) gIter->data;
complex_set_cmds(child_rsc);
}
}
void
set_alloc_actions(pe_working_set_t * data_set)
{
GListPtr gIter = data_set->resources;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *rsc = (resource_t *) gIter->data;
complex_set_cmds(rsc);
}
}
static void
calculate_system_health(gpointer gKey, gpointer gValue, gpointer user_data)
{
const char *key = (const char *)gKey;
const char *value = (const char *)gValue;
int *system_health = (int *)user_data;
if (!gKey || !gValue || !user_data) {
return;
}
/* Does it start with #health? */
if (0 == strncmp(key, "#health", 7)) {
int score;
/* Convert the value into an integer */
score = char2score(value);
/* Add it to the running total */
*system_health = merge_weights(score, *system_health);
}
}
static gboolean
apply_system_health(pe_working_set_t * data_set)
{
GListPtr gIter = NULL;
const char *health_strategy = pe_pref(data_set->config_hash, "node-health-strategy");
if (health_strategy == NULL || safe_str_eq(health_strategy, "none")) {
/* Prevent any accidental health -> score translation */
node_score_red = 0;
node_score_yellow = 0;
node_score_green = 0;
return TRUE;
} else if (safe_str_eq(health_strategy, "migrate-on-red")) {
/* Resources on nodes which have health values of red are
* weighted away from that node.
*/
node_score_red = -INFINITY;
node_score_yellow = 0;
node_score_green = 0;
} else if (safe_str_eq(health_strategy, "only-green")) {
/* Resources on nodes which have health values of red or yellow
* are forced away from that node.
*/
node_score_red = -INFINITY;
node_score_yellow = -INFINITY;
node_score_green = 0;
} else if (safe_str_eq(health_strategy, "progressive")) {
/* Same as the above, but use the r/y/g scores provided by the user
* Defaults are provided by the pe_prefs table
*/
} else if (safe_str_eq(health_strategy, "custom")) {
/* Requires the admin to configure the rsc_location constaints for
* processing the stored health scores
*/
/* TODO: Check for the existance of appropriate node health constraints */
return TRUE;
} else {
crm_err("Unknown node health strategy: %s", health_strategy);
return FALSE;
}
crm_info("Applying automated node health strategy: %s", health_strategy);
for (gIter = data_set->nodes; gIter != NULL; gIter = gIter->next) {
int system_health = 0;
node_t *node = (node_t *) gIter->data;
/* Search through the node hash table for system health entries. */
g_hash_table_foreach(node->details->attrs, calculate_system_health, &system_health);
crm_info(" Node %s has an combined system health of %d",
node->details->uname, system_health);
/* If the health is non-zero, then create a new rsc2node so that the
* weight will be added later on.
*/
if (system_health != 0) {
GListPtr gIter2 = data_set->resources;
for (; gIter2 != NULL; gIter2 = gIter2->next) {
resource_t *rsc = (resource_t *) gIter2->data;
rsc2node_new(health_strategy, rsc, system_health, node, data_set);
}
}
}
return TRUE;
}
gboolean
stage0(pe_working_set_t * data_set)
{
xmlNode *cib_constraints = get_object_root(XML_CIB_TAG_CONSTRAINTS, data_set->input);
if (data_set->input == NULL) {
return FALSE;
}
if (is_set(data_set->flags, pe_flag_have_status) == FALSE) {
crm_trace("Calculating status");
cluster_status(data_set);
}
set_alloc_actions(data_set);
apply_system_health(data_set);
unpack_constraints(cib_constraints, data_set);
return TRUE;
}
static void
wait_for_probe(resource_t * rsc, const char *action, action_t * probe_complete,
pe_working_set_t * data_set)
{
if (probe_complete == NULL) {
return;
}
if (rsc->children) {
GListPtr gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child = (resource_t *) gIter->data;
wait_for_probe(child, action, probe_complete, data_set);
}
} else {
char *key = generate_op_key(rsc->id, action, 0);
custom_action_order(NULL, NULL, probe_complete, rsc, key, NULL,
pe_order_optional, data_set);
}
}
/*
* Check nodes for resources started outside of the LRM
*/
gboolean
probe_resources(pe_working_set_t * data_set)
{
action_t *probe_complete = NULL;
action_t *probe_node_complete = NULL;
GListPtr gIter = NULL;
GListPtr gIter2 = NULL;
gIter = data_set->nodes;
for (; gIter != NULL; gIter = gIter->next) {
node_t *node = (node_t *) gIter->data;
const char *probed = g_hash_table_lookup(node->details->attrs, CRM_OP_PROBED);
if (node->details->online == FALSE) {
continue;
} else if (node->details->unclean) {
continue;
} else if (probe_complete == NULL) {
probe_complete = get_pseudo_op(CRM_OP_PROBED, data_set);
}
if (probed != NULL && crm_is_true(probed) == FALSE) {
action_t *probe_op = custom_action(NULL, strdup(CRM_OP_REPROBE),
CRM_OP_REPROBE, node, FALSE, TRUE, data_set);
add_hash_param(probe_op->meta, XML_ATTR_TE_NOWAIT, XML_BOOLEAN_TRUE);
continue;
}
probe_node_complete = custom_action(NULL, strdup(CRM_OP_PROBED),
CRM_OP_PROBED, node, FALSE, TRUE, data_set);
if (crm_is_true(probed)) {
crm_trace("unset");
update_action_flags(probe_node_complete, pe_action_optional);
} else {
crm_trace("set");
update_action_flags(probe_node_complete, pe_action_optional | pe_action_clear);
}
crm_trace("%s - %d", node->details->uname, probe_node_complete->flags & pe_action_optional);
probe_node_complete->priority = INFINITY;
add_hash_param(probe_node_complete->meta, XML_ATTR_TE_NOWAIT, XML_BOOLEAN_TRUE);
if (node->details->pending) {
update_action_flags(probe_node_complete, pe_action_runnable | pe_action_clear);
crm_info("Action %s on %s is unrunnable (pending)",
probe_node_complete->uuid, probe_node_complete->node->details->uname);
}
order_actions(probe_node_complete, probe_complete,
pe_order_runnable_left /*|pe_order_implies_then */ );
gIter2 = data_set->resources;
for (; gIter2 != NULL; gIter2 = gIter2->next) {
resource_t *rsc = (resource_t *) gIter2->data;
if (rsc->cmds->create_probe(rsc, node, probe_node_complete, FALSE, data_set)) {
update_action_flags(probe_complete, pe_action_optional | pe_action_clear);
update_action_flags(probe_node_complete, pe_action_optional | pe_action_clear);
wait_for_probe(rsc, RSC_START, probe_complete, data_set);
}
}
}
gIter = data_set->resources;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *rsc = (resource_t *) gIter->data;
wait_for_probe(rsc, RSC_STOP, probe_complete, data_set);
}
return TRUE;
}
/*
* Count how many valid nodes we have (so we know the maximum number of
* colors we can resolve).
*
* Apply node constraints (ie. filter the "allowed_nodes" part of resources
*/
gboolean
stage2(pe_working_set_t * data_set)
{
GListPtr gIter = NULL;
crm_trace("Applying placement constraints");
gIter = data_set->nodes;
for (; gIter != NULL; gIter = gIter->next) {
node_t *node = (node_t *) gIter->data;
if (node == NULL) {
/* error */
} else if (node->weight >= 0.0 /* global weight */
&& node->details->online && node->details->type == node_member) {
data_set->max_valid_nodes++;
}
}
apply_placement_constraints(data_set);
gIter = data_set->nodes;
for (; gIter != NULL; gIter = gIter->next) {
GListPtr gIter2 = NULL;
node_t *node = (node_t *) gIter->data;
gIter2 = data_set->resources;
for (; gIter2 != NULL; gIter2 = gIter2->next) {
resource_t *rsc = (resource_t *) gIter2->data;
common_apply_stickiness(rsc, node, data_set);
}
}
return TRUE;
}
/*
* Create internal resource constraints before allocation
*/
gboolean
stage3(pe_working_set_t * data_set)
{
GListPtr gIter = data_set->resources;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *rsc = (resource_t *) gIter->data;
rsc->cmds->internal_constraints(rsc, data_set);
}
return TRUE;
}
/*
* Check for orphaned or redefined actions
*/
gboolean
stage4(pe_working_set_t * data_set)
{
check_actions(data_set);
return TRUE;
}
static gint
sort_rsc_process_order(gconstpointer a, gconstpointer b, gpointer data)
{
int rc = 0;
int r1_weight = -INFINITY;
int r2_weight = -INFINITY;
const char *reason = "existance";
const GListPtr nodes = (GListPtr) data;
resource_t *resource1 = (resource_t *) convert_const_pointer(a);
resource_t *resource2 = (resource_t *) convert_const_pointer(b);
node_t *node = NULL;
GListPtr gIter = NULL;
GHashTable *r1_nodes = NULL;
GHashTable *r2_nodes = NULL;
if (a == NULL && b == NULL) {
goto done;
}
if (a == NULL) {
return 1;
}
if (b == NULL) {
return -1;
}
reason = "priority";
r1_weight = resource1->priority;
r2_weight = resource2->priority;
if (r1_weight > r2_weight) {
rc = -1;
goto done;
}
if (r1_weight < r2_weight) {
rc = 1;
goto done;
}
reason = "no node list";
if (nodes == NULL) {
goto done;
}
r1_nodes =
rsc_merge_weights(resource1, resource1->id, NULL, NULL, 1,
pe_weights_forward | pe_weights_init);
dump_node_scores(LOG_TRACE, NULL, resource1->id, r1_nodes);
r2_nodes =
rsc_merge_weights(resource2, resource2->id, NULL, NULL, 1,
pe_weights_forward | pe_weights_init);
dump_node_scores(LOG_TRACE, NULL, resource2->id, r2_nodes);
/* Current location score */
reason = "current location";
r1_weight = -INFINITY;
r2_weight = -INFINITY;
if (resource1->running_on) {
node = g_list_nth_data(resource1->running_on, 0);
node = g_hash_table_lookup(r1_nodes, node->details->id);
r1_weight = node->weight;
}
if (resource2->running_on) {
node = g_list_nth_data(resource2->running_on, 0);
node = g_hash_table_lookup(r2_nodes, node->details->id);
r2_weight = node->weight;
}
if (r1_weight > r2_weight) {
rc = -1;
goto done;
}
if (r1_weight < r2_weight) {
rc = 1;
goto done;
}
reason = "score";
for (gIter = nodes; gIter != NULL; gIter = gIter->next) {
node_t *r1_node = NULL;
node_t *r2_node = NULL;
node = (node_t *) gIter->data;
r1_weight = -INFINITY;
if (r1_nodes) {
r1_node = g_hash_table_lookup(r1_nodes, node->details->id);
}
if (r1_node) {
r1_weight = r1_node->weight;
}
r2_weight = -INFINITY;
if (r2_nodes) {
r2_node = g_hash_table_lookup(r2_nodes, node->details->id);
}
if (r2_node) {
r2_weight = r2_node->weight;
}
if (r1_weight > r2_weight) {
rc = -1;
goto done;
}
if (r1_weight < r2_weight) {
rc = 1;
goto done;
}
}
done:
if (r1_nodes) {
g_hash_table_destroy(r1_nodes);
}
if (r2_nodes) {
g_hash_table_destroy(r2_nodes);
}
crm_trace( "%s (%d) %c %s (%d) on %s: %s",
resource1->id, r1_weight, rc < 0 ? '>' : rc > 0 ? '<' : '=',
resource2->id, r2_weight, node ? node->details->id : "n/a", reason);
return rc;
}
gboolean
stage5(pe_working_set_t * data_set)
{
GListPtr gIter = NULL;
if (safe_str_neq(data_set->placement_strategy, "default")) {
GListPtr nodes = g_list_copy(data_set->nodes);
nodes = g_list_sort_with_data(nodes, sort_node_weight, NULL);
data_set->resources =
g_list_sort_with_data(data_set->resources, sort_rsc_process_order, nodes);
g_list_free(nodes);
}
gIter = data_set->nodes;
for (; gIter != NULL; gIter = gIter->next) {
node_t *node = (node_t *) gIter->data;
dump_node_capacity(show_utilization ? 0 : utilization_log_level, "Original", node);
}
crm_trace("Allocating services");
/* Take (next) highest resource, assign it and create its actions */
gIter = data_set->resources;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *rsc = (resource_t *) gIter->data;
crm_trace("Allocating: %s", rsc->id);
rsc->cmds->allocate(rsc, NULL, data_set);
}
gIter = data_set->nodes;
for (; gIter != NULL; gIter = gIter->next) {
node_t *node = (node_t *) gIter->data;
dump_node_capacity(show_utilization ? 0 : utilization_log_level, "Remaining", node);
}
if (is_set(data_set->flags, pe_flag_startup_probes)) {
crm_trace("Calculating needed probes");
/* This code probably needs optimization
* ptest -x with 100 nodes, 100 clones and clone-max=100:
With probes:
ptest[14781]: 2010/09/27_17:56:46 notice: TRACE: do_calculations: pengine.c:258 Calculate cluster status
ptest[14781]: 2010/09/27_17:56:46 notice: TRACE: do_calculations: pengine.c:278 Applying placement constraints
ptest[14781]: 2010/09/27_17:56:47 notice: TRACE: do_calculations: pengine.c:285 Create internal constraints
ptest[14781]: 2010/09/27_17:56:47 notice: TRACE: do_calculations: pengine.c:292 Check actions
ptest[14781]: 2010/09/27_17:56:48 notice: TRACE: do_calculations: pengine.c:299 Allocate resources
ptest[14781]: 2010/09/27_17:56:48 notice: TRACE: stage5: allocate.c:881 Allocating services
ptest[14781]: 2010/09/27_17:56:49 notice: TRACE: stage5: allocate.c:894 Calculating needed probes
ptest[14781]: 2010/09/27_17:56:51 notice: TRACE: stage5: allocate.c:899 Creating actions
ptest[14781]: 2010/09/27_17:56:52 notice: TRACE: stage5: allocate.c:905 Creating done
ptest[14781]: 2010/09/27_17:56:52 notice: TRACE: do_calculations: pengine.c:306 Processing fencing and shutdown cases
ptest[14781]: 2010/09/27_17:56:52 notice: TRACE: do_calculations: pengine.c:313 Applying ordering constraints
36s
ptest[14781]: 2010/09/27_17:57:28 notice: TRACE: do_calculations: pengine.c:320 Create transition graph
Without probes:
ptest[14637]: 2010/09/27_17:56:21 notice: TRACE: do_calculations: pengine.c:258 Calculate cluster status
ptest[14637]: 2010/09/27_17:56:22 notice: TRACE: do_calculations: pengine.c:278 Applying placement constraints
ptest[14637]: 2010/09/27_17:56:22 notice: TRACE: do_calculations: pengine.c:285 Create internal constraints
ptest[14637]: 2010/09/27_17:56:22 notice: TRACE: do_calculations: pengine.c:292 Check actions
ptest[14637]: 2010/09/27_17:56:23 notice: TRACE: do_calculations: pengine.c:299 Allocate resources
ptest[14637]: 2010/09/27_17:56:23 notice: TRACE: stage5: allocate.c:881 Allocating services
ptest[14637]: 2010/09/27_17:56:24 notice: TRACE: stage5: allocate.c:899 Creating actions
ptest[14637]: 2010/09/27_17:56:25 notice: TRACE: stage5: allocate.c:905 Creating done
ptest[14637]: 2010/09/27_17:56:25 notice: TRACE: do_calculations: pengine.c:306 Processing fencing and shutdown cases
ptest[14637]: 2010/09/27_17:56:25 notice: TRACE: do_calculations: pengine.c:313 Applying ordering constraints
ptest[14637]: 2010/09/27_17:56:25 notice: TRACE: do_calculations: pengine.c:320 Create transition graph
*/
probe_resources(data_set);
}
crm_trace("Creating actions");
gIter = data_set->resources;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *rsc = (resource_t *) gIter->data;
rsc->cmds->create_actions(rsc, data_set);
}
crm_trace("Creating done");
return TRUE;
}
static gboolean
is_managed(const resource_t * rsc)
{
GListPtr gIter = rsc->children;
if (is_set(rsc->flags, pe_rsc_managed)) {
return TRUE;
}
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child_rsc = (resource_t *) gIter->data;
if (is_managed(child_rsc)) {
return TRUE;
}
}
return FALSE;
}
static gboolean
any_managed_resouces(pe_working_set_t * data_set)
{
GListPtr gIter = data_set->resources;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *rsc = (resource_t *) gIter->data;
if (is_managed(rsc)) {
return TRUE;
}
}
return FALSE;
}
/*
* Create dependancies for stonith and shutdown operations
*/
gboolean
stage6(pe_working_set_t * data_set)
{
action_t *dc_down = NULL;
action_t *dc_fence = NULL;
action_t *stonith_op = NULL;
action_t *last_stonith = NULL;
gboolean integrity_lost = FALSE;
action_t *ready = get_pseudo_op(STONITH_UP, data_set);
action_t *all_stopped = get_pseudo_op(ALL_STOPPED, data_set);
action_t *done = get_pseudo_op(STONITH_DONE, data_set);
gboolean need_stonith = FALSE;
GListPtr gIter = data_set->nodes;
crm_trace("Processing fencing and shutdown cases");
if (is_set(data_set->flags, pe_flag_stonith_enabled)
&& (is_set(data_set->flags, pe_flag_have_quorum)
|| data_set->no_quorum_policy == no_quorum_ignore
|| data_set->no_quorum_policy == no_quorum_suicide)) {
need_stonith = TRUE;
}
if (need_stonith && any_managed_resouces(data_set) == FALSE) {
crm_notice("Delaying fencing operations until there are resources to manage");
need_stonith = FALSE;
}
for (; gIter != NULL; gIter = gIter->next) {
node_t *node = (node_t *) gIter->data;
stonith_op = NULL;
if (node->details->unclean && need_stonith) {
pe_warn("Scheduling Node %s for STONITH", node->details->uname);
stonith_op = custom_action(NULL, strdup(CRM_OP_FENCE),
CRM_OP_FENCE, node, FALSE, 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", data_set->stonith_action);
stonith_constraints(node, stonith_op, data_set);
order_actions(ready, stonith_op, pe_order_runnable_left);
order_actions(stonith_op, all_stopped, pe_order_implies_then);
clear_bit(ready->flags, pe_action_optional);
if (node->details->is_dc) {
dc_down = stonith_op;
dc_fence = stonith_op;
} else {
if (last_stonith) {
order_actions(last_stonith, stonith_op, pe_order_optional);
}
last_stonith = stonith_op;
}
} else if (node->details->online && node->details->shutdown) {
action_t *down_op = NULL;
crm_notice("Scheduling Node %s for shutdown", node->details->uname);
down_op = custom_action(NULL, strdup(CRM_OP_SHUTDOWN),
CRM_OP_SHUTDOWN, node, FALSE, TRUE, data_set);
shutdown_constraints(node, down_op, data_set);
add_hash_param(down_op->meta, XML_ATTR_TE_NOWAIT, XML_BOOLEAN_TRUE);
if (node->details->is_dc) {
dc_down = down_op;
}
}
if (node->details->unclean && stonith_op == NULL) {
integrity_lost = TRUE;
pe_warn("Node %s is unclean!", node->details->uname);
}
}
if (integrity_lost) {
if (is_set(data_set->flags, pe_flag_stonith_enabled) == FALSE) {
pe_warn("YOUR RESOURCES ARE NOW LIKELY COMPROMISED");
pe_err("ENABLE STONITH TO KEEP YOUR RESOURCES SAFE");
} else if (is_set(data_set->flags, pe_flag_have_quorum) == FALSE) {
crm_notice("Cannot fence unclean nodes until quorum is"
" attained (or no-quorum-policy is set to ignore)");
}
}
if (dc_down != NULL) {
GListPtr shutdown_matches = find_actions(data_set->actions, CRM_OP_SHUTDOWN, NULL);
crm_trace("Ordering shutdowns before %s on %s (DC)",
dc_down->task, dc_down->node->details->uname);
add_hash_param(dc_down->meta, XML_ATTR_TE_NOWAIT, XML_BOOLEAN_TRUE);
gIter = shutdown_matches;
for (; gIter != NULL; gIter = gIter->next) {
action_t *node_stop = (action_t *) gIter->data;
if (node_stop->node->details->is_dc) {
continue;
}
crm_debug("Ordering shutdown on %s before %s on %s",
node_stop->node->details->uname,
dc_down->task, dc_down->node->details->uname);
order_actions(node_stop, dc_down, pe_order_optional);
}
if (last_stonith && dc_down != last_stonith) {
order_actions(last_stonith, dc_down, pe_order_optional);
}
g_list_free(shutdown_matches);
}
if (last_stonith) {
order_actions(last_stonith, done, pe_order_implies_then);
} else if (dc_fence) {
order_actions(dc_down, done, pe_order_implies_then);
}
order_actions(ready, done, pe_order_optional);
return TRUE;
}
/*
* Determin the sets of independant actions and the correct order for the
* actions in each set.
*
* Mark dependencies of un-runnable actions un-runnable
*
*/
static GListPtr
find_actions_by_task(GListPtr actions, resource_t * rsc, const char *original_key)
{
GListPtr list = NULL;
list = find_actions(actions, original_key, NULL);
if (list == NULL) {
/* we're potentially searching a child of the original resource */
char *key = NULL;
char *tmp = NULL;
char *task = NULL;
int interval = 0;
if (parse_op_key(original_key, &tmp, &task, &interval)) {
key = generate_op_key(rsc->id, task, interval);
/* crm_err("looking up %s instead of %s", key, original_key); */
/* slist_iter(action, action_t, actions, lpc, */
/* crm_err(" - %s", action->uuid)); */
list = find_actions(actions, key, NULL);
} else {
crm_err("search key: %s", original_key);
}
free(key);
free(tmp);
free(task);
}
return list;
}
static void
rsc_order_then(action_t * lh_action, resource_t * rsc, order_constraint_t * order)
{
GListPtr gIter = NULL;
GListPtr rh_actions = NULL;
action_t *rh_action = NULL;
enum pe_ordering type = order->type;
CRM_CHECK(rsc != NULL, return);
CRM_CHECK(order != NULL, return);
rh_action = order->rh_action;
crm_trace("Processing RH of ordering constraint %d", order->id);
if (rh_action != NULL) {
rh_actions = g_list_prepend(NULL, rh_action);
} else if (rsc != NULL) {
rh_actions = find_actions_by_task(rsc->actions, rsc, order->rh_action_task);
}
if (rh_actions == NULL) {
crm_trace("No RH-Side (%s/%s) found for constraint..."
" ignoring", rsc->id, order->rh_action_task);
if (lh_action) {
crm_trace("LH-Side was: %s", lh_action->uuid);
}
return;
}
if (lh_action && lh_action->rsc == rsc && is_set(lh_action->flags, pe_action_dangle)) {
crm_trace("Detected dangling operation %s -> %s", lh_action->uuid, order->rh_action_task);
clear_bit(type, pe_order_implies_then);
}
gIter = rh_actions;
for (; gIter != NULL; gIter = gIter->next) {
action_t *rh_action_iter = (action_t *) gIter->data;
if (lh_action) {
order_actions(lh_action, rh_action_iter, type);
} else if (type & pe_order_implies_then) {
update_action_flags(rh_action_iter, pe_action_runnable | pe_action_clear);
crm_warn("Unrunnable %s 0x%.6x", rh_action_iter->uuid, type);
} else {
crm_warn("neither %s 0x%.6x", rh_action_iter->uuid, type);
}
}
g_list_free(rh_actions);
}
static void
rsc_order_first(resource_t * lh_rsc, order_constraint_t * order, pe_working_set_t * data_set)
{
GListPtr gIter = NULL;
GListPtr lh_actions = NULL;
action_t *lh_action = order->lh_action;
resource_t *rh_rsc = order->rh_rsc;
crm_trace("Processing LH of ordering constraint %d", order->id);
CRM_ASSERT(lh_rsc != NULL);
if (lh_action != NULL) {
lh_actions = g_list_prepend(NULL, lh_action);
} else if (lh_action == NULL) {
lh_actions = find_actions_by_task(lh_rsc->actions, lh_rsc, order->lh_action_task);
}
if (lh_actions == NULL && lh_rsc != rh_rsc) {
char *key = NULL;
char *rsc_id = NULL;
char *op_type = NULL;
int interval = 0;
parse_op_key(order->lh_action_task, &rsc_id, &op_type, &interval);
key = generate_op_key(lh_rsc->id, op_type, interval);
if (lh_rsc->fns->state(lh_rsc, TRUE) != RSC_ROLE_STOPPED || safe_str_neq(op_type, RSC_STOP)) {
crm_trace("No LH-Side (%s/%s) found for constraint %d with %s - creating",
lh_rsc->id, order->lh_action_task, order->id, order->rh_action_task);
lh_action = custom_action(lh_rsc, key, op_type, NULL, TRUE, TRUE, data_set);
lh_actions = g_list_prepend(NULL, lh_action);
} else {
free(key);
crm_trace("No LH-Side (%s/%s) found for constraint %d with %s - ignoring",
lh_rsc->id, order->lh_action_task, order->id, order->rh_action_task);
}
free(op_type);
free(rsc_id);
}
gIter = lh_actions;
for (; gIter != NULL; gIter = gIter->next) {
action_t *lh_action_iter = (action_t *) gIter->data;
if (rh_rsc == NULL && order->rh_action) {
rh_rsc = order->rh_action->rsc;
}
if (rh_rsc) {
rsc_order_then(lh_action_iter, rh_rsc, order);
} else if (order->rh_action) {
order_actions(lh_action_iter, order->rh_action, order->type);
}
}
g_list_free(lh_actions);
}
extern gboolean update_action(action_t * action);
gboolean
stage7(pe_working_set_t * data_set)
{
GListPtr gIter = NULL;
crm_trace("Applying ordering constraints");
/* Don't ask me why, but apparently they need to be processed in
* the order they were created in... go figure
*
* Also g_list_prepend() has horrendous performance characteristics
* So we need to use g_list_prepend() and then reverse the list here
*/
data_set->ordering_constraints = g_list_reverse(data_set->ordering_constraints);
gIter = data_set->ordering_constraints;
for (; gIter != NULL; gIter = gIter->next) {
order_constraint_t *order = (order_constraint_t *) gIter->data;
resource_t *rsc = order->lh_rsc;
crm_trace("Applying ordering constraint: %d", order->id);
if (rsc != NULL) {
crm_trace("rsc_action-to-*");
rsc_order_first(rsc, order, data_set);
continue;
}
rsc = order->rh_rsc;
if (rsc != NULL) {
crm_trace("action-to-rsc_action");
rsc_order_then(order->lh_action, rsc, order);
} else {
crm_trace("action-to-action");
order_actions(order->lh_action, order->rh_action, order->type);
}
}
crm_trace("Updating %d actions", g_list_length(data_set->actions));
gIter = data_set->actions;
for (; gIter != NULL; gIter = gIter->next) {
action_t *action = (action_t *) gIter->data;
update_action(action);
}
crm_trace("Processing migrations");
gIter = data_set->resources;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *rsc = (resource_t *) gIter->data;
rsc_migrate_reload(rsc, data_set);
LogActions(rsc, data_set, FALSE);
}
return TRUE;
}
static gint
sort_notify_entries(gconstpointer a, gconstpointer b)
{
int tmp;
const notify_entry_t *entry_a = a;
const notify_entry_t *entry_b = b;
if (entry_a == NULL && entry_b == NULL) {
return 0;
}
if (entry_a == NULL) {
return 1;
}
if (entry_b == NULL) {
return -1;
}
if (entry_a->rsc == NULL && entry_b->rsc == NULL) {
return 0;
}
if (entry_a->rsc == NULL) {
return 1;
}
if (entry_b->rsc == NULL) {
return -1;
}
tmp = strcmp(entry_a->rsc->id, entry_b->rsc->id);
if (tmp != 0) {
return tmp;
}
if (entry_a->node == NULL && entry_b->node == NULL) {
return 0;
}
if (entry_a->node == NULL) {
return 1;
}
if (entry_b->node == NULL) {
return -1;
}
return strcmp(entry_a->node->details->id, entry_b->node->details->id);
}
static void
expand_list(GListPtr list, char **rsc_list, char **node_list)
{
GListPtr gIter = list;
const char *uname = NULL;
const char *rsc_id = NULL;
const char *last_rsc_id = NULL;
if (rsc_list) {
*rsc_list = NULL;
}
if (list == NULL) {
if (rsc_list) {
*rsc_list = strdup(" ");
}
if (node_list) {
*node_list = strdup(" ");
}
return;
}
if (node_list) {
*node_list = NULL;
}
for (; gIter != NULL; gIter = gIter->next) {
notify_entry_t *entry = (notify_entry_t *) gIter->data;
CRM_CHECK(entry != NULL, continue);
CRM_CHECK(entry->rsc != NULL, continue);
CRM_CHECK(node_list == NULL || entry->node != NULL, continue);
uname = NULL;
rsc_id = entry->rsc->id;
CRM_ASSERT(rsc_id != NULL);
/* filter dups */
if (safe_str_eq(rsc_id, last_rsc_id)) {
continue;
}
last_rsc_id = rsc_id;
if (rsc_list != NULL) {
int existing_len = 0;
int len = 2 + strlen(rsc_id); /* +1 space, +1 EOS */
if (rsc_list && *rsc_list) {
existing_len = strlen(*rsc_list);
}
crm_trace("Adding %s (%dc) at offset %d", rsc_id, len - 2, existing_len);
*rsc_list = realloc(*rsc_list, len + existing_len);
sprintf(*rsc_list + existing_len, "%s ", rsc_id);
}
if (entry->node != NULL) {
uname = entry->node->details->uname;
}
if (node_list != NULL && uname) {
int existing_len = 0;
int len = 2 + strlen(uname);
if (node_list && *node_list) {
existing_len = strlen(*node_list);
}
crm_trace("Adding %s (%dc) at offset %d", uname, len - 2, existing_len);
*node_list = realloc(*node_list, len + existing_len);
sprintf(*node_list + existing_len, "%s ", uname);
}
}
}
static void
dup_attr(gpointer key, gpointer value, gpointer user_data)
{
add_hash_param(user_data, key, value);
}
static action_t *
pe_notify(resource_t * rsc, node_t * node, action_t * op, action_t * confirm,
notify_data_t * n_data, pe_working_set_t * data_set)
{
char *key = NULL;
action_t *trigger = NULL;
const char *value = NULL;
const char *task = NULL;
if (op == NULL || confirm == NULL) {
crm_trace("Op=%p confirm=%p", op, confirm);
return NULL;
}
CRM_CHECK(node != NULL, return NULL);
if (node->details->online == FALSE) {
crm_trace("Skipping notification for %s: node offline", rsc->id);
return NULL;
} else if (is_set(op->flags, pe_action_runnable) == FALSE) {
crm_trace("Skipping notification for %s: not runnable", op->uuid);
return NULL;
}
value = g_hash_table_lookup(op->meta, "notify_type");
task = g_hash_table_lookup(op->meta, "notify_operation");
crm_trace("Creating notify actions for %s: %s (%s-%s)", op->uuid, rsc->id, value, task);
key = generate_notify_key(rsc->id, value, task);
trigger = custom_action(rsc, key, op->task, node,
is_set(op->flags, pe_action_optional), TRUE, data_set);
g_hash_table_foreach(op->meta, dup_attr, trigger->meta);
g_hash_table_foreach(n_data->keys, dup_attr, trigger->meta);
/* pseudo_notify before notify */
crm_trace("Ordering %s before %s (%d->%d)", op->uuid, trigger->uuid, trigger->id, op->id);
order_actions(op, trigger, pe_order_optional);
order_actions(trigger, confirm, pe_order_optional);
return trigger;
}
static void
pe_post_notify(resource_t * rsc, node_t * node, notify_data_t * n_data, pe_working_set_t * data_set)
{
action_t *notify = NULL;
CRM_CHECK(rsc != NULL, return);
if (n_data->post == NULL) {
return; /* Nothing to do */
}
notify = pe_notify(rsc, node, n_data->post, n_data->post_done, n_data, data_set);
if (notify != NULL) {
notify->priority = INFINITY;
}
if (n_data->post_done) {
GListPtr gIter = rsc->actions;
for (; gIter != NULL; gIter = gIter->next) {
action_t *mon = (action_t *) gIter->data;
const char *interval = g_hash_table_lookup(mon->meta, "interval");
if (interval == NULL || safe_str_eq(interval, "0")) {
crm_trace("Skipping %s: interval", mon->uuid);
continue;
} else if (safe_str_eq(mon->task, "cancel")) {
crm_trace("Skipping %s: cancel", mon->uuid);
continue;
}
order_actions(n_data->post_done, mon, pe_order_optional);
}
}
}
notify_data_t *
create_notification_boundaries(resource_t * rsc, const char *action, action_t * start,
action_t * end, pe_working_set_t * data_set)
{
/* Create the pseudo ops that preceed and follow the actual notifications */
/*
* Creates two sequences (conditional on start and end being supplied):
* pre_notify -> pre_notify_complete -> start, and
* end -> post_notify -> post_notify_complete
*
* 'start' and 'end' may be the same event or ${X} and ${X}ed as per clones
*/
char *key = NULL;
notify_data_t *n_data = NULL;
if (is_not_set(rsc->flags, pe_rsc_notify)) {
return NULL;
}
n_data = calloc(1, sizeof(notify_data_t));
n_data->action = action;
n_data->keys =
g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str, g_hash_destroy_str);
if (start) {
/* create pre-event notification wrappers */
key = generate_notify_key(rsc->id, "pre", start->task);
n_data->pre =
custom_action(rsc, key, RSC_NOTIFY, NULL, is_set(start->flags, pe_action_optional),
TRUE, data_set);
update_action_flags(n_data->pre, pe_action_pseudo);
update_action_flags(n_data->pre, pe_action_runnable);
+
add_hash_param(n_data->pre->meta, "notify_type", "pre");
add_hash_param(n_data->pre->meta, "notify_operation", n_data->action);
+ add_hash_param(n_data->pre->meta, "notify_key_type", "pre");
+ add_hash_param(n_data->pre->meta, "notify_key_operation", start->task);
+
/* create pre_notify_complete */
key = generate_notify_key(rsc->id, "confirmed-pre", start->task);
n_data->pre_done =
custom_action(rsc, key, RSC_NOTIFIED, NULL, is_set(start->flags, pe_action_optional),
TRUE, data_set);
update_action_flags(n_data->pre_done, pe_action_pseudo);
update_action_flags(n_data->pre_done, pe_action_runnable);
+
add_hash_param(n_data->pre_done->meta, "notify_type", "pre");
add_hash_param(n_data->pre_done->meta, "notify_operation", n_data->action);
+ add_hash_param(n_data->pre_done->meta, "notify_key_type", "confirmed-pre");
+ add_hash_param(n_data->pre_done->meta, "notify_key_operation", start->task);
+
order_actions(n_data->pre_done, start, pe_order_optional);
order_actions(n_data->pre, n_data->pre_done, pe_order_optional);
}
if (end) {
/* create post-event notification wrappers */
key = generate_notify_key(rsc->id, "post", end->task);
n_data->post =
custom_action(rsc, key, RSC_NOTIFY, NULL, is_set(end->flags, pe_action_optional), TRUE,
data_set);
n_data->post->priority = INFINITY;
update_action_flags(n_data->post, pe_action_pseudo);
if (is_set(end->flags, pe_action_runnable)) {
update_action_flags(n_data->post, pe_action_runnable);
} else {
update_action_flags(n_data->post, pe_action_runnable | pe_action_clear);
}
add_hash_param(n_data->post->meta, "notify_type", "post");
add_hash_param(n_data->post->meta, "notify_operation", n_data->action);
+ add_hash_param(n_data->post->meta, "notify_key_type", "post");
+ add_hash_param(n_data->post->meta, "notify_key_operation", end->task);
+
/* create post_notify_complete */
key = generate_notify_key(rsc->id, "confirmed-post", end->task);
n_data->post_done =
custom_action(rsc, key, RSC_NOTIFIED, NULL, is_set(end->flags, pe_action_optional),
TRUE, data_set);
n_data->post_done->priority = INFINITY;
update_action_flags(n_data->post_done, pe_action_pseudo);
if (is_set(end->flags, pe_action_runnable)) {
update_action_flags(n_data->post_done, pe_action_runnable);
} else {
update_action_flags(n_data->post_done, pe_action_runnable | pe_action_clear);
}
- add_hash_param(n_data->post_done->meta, "notify_type", "pre");
+ add_hash_param(n_data->post_done->meta, "notify_type", "post");
add_hash_param(n_data->post_done->meta, "notify_operation", n_data->action);
+ add_hash_param(n_data->post_done->meta, "notify_key_type", "confirmed-post");
+ add_hash_param(n_data->post_done->meta, "notify_key_operation", end->task);
+
order_actions(end, n_data->post, pe_order_implies_then);
order_actions(n_data->post, n_data->post_done, pe_order_implies_then);
}
if (start && end) {
order_actions(n_data->pre_done, n_data->post, pe_order_optional);
}
if (safe_str_eq(action, RSC_STOP)) {
action_t *all_stopped = get_pseudo_op(ALL_STOPPED, data_set);
order_actions(n_data->post_done, all_stopped, pe_order_optional);
}
return n_data;
}
void
collect_notification_data(resource_t * rsc, gboolean state, gboolean activity,
notify_data_t * n_data)
{
if (rsc->children) {
GListPtr gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child = (resource_t *) gIter->data;
collect_notification_data(child, state, activity, n_data);
}
return;
}
if (state) {
notify_entry_t *entry = NULL;
entry = calloc(1, sizeof(notify_entry_t));
entry->rsc = rsc;
if (rsc->running_on) {
/* we only take the first one */
entry->node = rsc->running_on->data;
}
crm_trace("%s state: %s", rsc->id, role2text(rsc->role));
switch (rsc->role) {
case RSC_ROLE_STOPPED:
n_data->inactive = g_list_prepend(n_data->inactive, entry);
break;
case RSC_ROLE_STARTED:
n_data->active = g_list_prepend(n_data->active, entry);
break;
case RSC_ROLE_SLAVE:
n_data->slave = g_list_prepend(n_data->slave, entry);
break;
case RSC_ROLE_MASTER:
n_data->master = g_list_prepend(n_data->master, entry);
break;
default:
crm_err("Unsupported notify role");
free(entry);
break;
}
}
if (activity) {
notify_entry_t *entry = NULL;
enum action_tasks task;
GListPtr gIter = rsc->actions;
for (; gIter != NULL; gIter = gIter->next) {
action_t *op = (action_t *) gIter->data;
if (is_set(op->flags, pe_action_optional) == FALSE && op->node != NULL) {
entry = calloc(1, sizeof(notify_entry_t));
entry->node = op->node;
entry->rsc = rsc;
task = text2task(op->task);
switch (task) {
case start_rsc:
n_data->start = g_list_prepend(n_data->start, entry);
break;
case stop_rsc:
n_data->stop = g_list_prepend(n_data->stop, entry);
break;
case action_promote:
n_data->promote = g_list_prepend(n_data->promote, entry);
break;
case action_demote:
n_data->demote = g_list_prepend(n_data->demote, entry);
break;
default:
free(entry);
break;
}
}
}
}
}
gboolean
expand_notification_data(notify_data_t * n_data)
{
/* Expand the notification entries into a key=value hashtable
* This hashtable is later used in action2xml()
*/
gboolean required = FALSE;
char *rsc_list = NULL;
char *node_list = NULL;
if (n_data->stop) {
n_data->stop = g_list_sort(n_data->stop, sort_notify_entries);
}
expand_list(n_data->stop, &rsc_list, &node_list);
if (rsc_list != NULL && safe_str_neq(" ", rsc_list)) {
if (safe_str_eq(n_data->action, RSC_STOP)) {
required = TRUE;
}
}
g_hash_table_insert(n_data->keys, strdup("notify_stop_resource"), rsc_list);
g_hash_table_insert(n_data->keys, strdup("notify_stop_uname"), node_list);
if (n_data->start) {
n_data->start = g_list_sort(n_data->start, sort_notify_entries);
if (rsc_list && safe_str_eq(n_data->action, RSC_START)) {
required = TRUE;
}
}
expand_list(n_data->start, &rsc_list, &node_list);
g_hash_table_insert(n_data->keys, strdup("notify_start_resource"), rsc_list);
g_hash_table_insert(n_data->keys, strdup("notify_start_uname"), node_list);
if (n_data->demote) {
n_data->demote = g_list_sort(n_data->demote, sort_notify_entries);
if (safe_str_eq(n_data->action, RSC_DEMOTE)) {
required = TRUE;
}
}
expand_list(n_data->demote, &rsc_list, &node_list);
g_hash_table_insert(n_data->keys, strdup("notify_demote_resource"), rsc_list);
g_hash_table_insert(n_data->keys, strdup("notify_demote_uname"), node_list);
if (n_data->promote) {
n_data->promote = g_list_sort(n_data->promote, sort_notify_entries);
if (safe_str_eq(n_data->action, RSC_PROMOTE)) {
required = TRUE;
}
}
expand_list(n_data->promote, &rsc_list, &node_list);
g_hash_table_insert(n_data->keys, strdup("notify_promote_resource"), rsc_list);
g_hash_table_insert(n_data->keys, strdup("notify_promote_uname"), node_list);
if (n_data->active) {
n_data->active = g_list_sort(n_data->active, sort_notify_entries);
}
expand_list(n_data->active, &rsc_list, &node_list);
g_hash_table_insert(n_data->keys, strdup("notify_active_resource"), rsc_list);
g_hash_table_insert(n_data->keys, strdup("notify_active_uname"), node_list);
if (n_data->slave) {
n_data->slave = g_list_sort(n_data->slave, sort_notify_entries);
}
expand_list(n_data->slave, &rsc_list, &node_list);
g_hash_table_insert(n_data->keys, strdup("notify_slave_resource"), rsc_list);
g_hash_table_insert(n_data->keys, strdup("notify_slave_uname"), node_list);
if (n_data->master) {
n_data->master = g_list_sort(n_data->master, sort_notify_entries);
}
expand_list(n_data->master, &rsc_list, &node_list);
g_hash_table_insert(n_data->keys, strdup("notify_master_resource"), rsc_list);
g_hash_table_insert(n_data->keys, strdup("notify_master_uname"), node_list);
if (n_data->inactive) {
n_data->inactive = g_list_sort(n_data->inactive, sort_notify_entries);
}
expand_list(n_data->inactive, &rsc_list, NULL);
g_hash_table_insert(n_data->keys, strdup("notify_inactive_resource"), rsc_list);
if (required && n_data->pre) {
update_action_flags(n_data->pre, pe_action_optional | pe_action_clear);
update_action_flags(n_data->pre_done, pe_action_optional | pe_action_clear);
}
if (required && n_data->post) {
update_action_flags(n_data->post, pe_action_optional | pe_action_clear);
update_action_flags(n_data->post_done, pe_action_optional | pe_action_clear);
}
return required;
}
void
create_notifications(resource_t * rsc, notify_data_t * n_data, pe_working_set_t * data_set)
{
GListPtr gIter = NULL;
action_t *stop = NULL;
action_t *start = NULL;
enum action_tasks task = text2task(n_data->action);
if (rsc->children) {
gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child = (resource_t *) gIter->data;
create_notifications(child, n_data, data_set);
}
return;
}
/* Copy notification details into standard ops */
gIter = rsc->actions;
for (; gIter != NULL; gIter = gIter->next) {
action_t *op = (action_t *) gIter->data;
if (is_set(op->flags, pe_action_optional) == FALSE && op->node != NULL) {
enum action_tasks t = text2task(op->task);
switch (t) {
case start_rsc:
case stop_rsc:
case action_promote:
case action_demote:
g_hash_table_foreach(n_data->keys, dup_attr, op->meta);
break;
default:
break;
}
}
}
crm_trace("Creating notificaitons for: %s.%s (%s->%s)",
n_data->action, rsc->id, role2text(rsc->role), role2text(rsc->next_role));
stop = find_first_action(rsc->actions, NULL, RSC_STOP, NULL);
start = find_first_action(rsc->actions, NULL, RSC_START, NULL);
/* stop / demote */
if (rsc->role != RSC_ROLE_STOPPED) {
if (task == stop_rsc || task == action_demote) {
gIter = rsc->running_on;
for (; gIter != NULL; gIter = gIter->next) {
node_t *current_node = (node_t *) gIter->data;
pe_notify(rsc, current_node, n_data->pre, n_data->pre_done, n_data, data_set);
if (task == action_demote || stop == NULL
|| is_set(stop->flags, pe_action_optional)) {
pe_post_notify(rsc, current_node, n_data, data_set);
}
}
}
}
/* start / promote */
if (rsc->next_role != RSC_ROLE_STOPPED) {
if (rsc->allocated_to == NULL) {
pe_proc_err("Next role '%s' but %s is not allocated", role2text(rsc->next_role),
rsc->id);
} else if (task == start_rsc || task == action_promote) {
if (task != start_rsc || start == NULL || is_set(start->flags, pe_action_optional)) {
pe_notify(rsc, rsc->allocated_to, n_data->pre, n_data->pre_done, n_data, data_set);
}
pe_post_notify(rsc, rsc->allocated_to, n_data, data_set);
}
}
}
void
free_notification_data(notify_data_t * n_data)
{
if (n_data == NULL) {
return;
}
g_list_free_full(n_data->stop, free);
g_list_free_full(n_data->start, free);
g_list_free_full(n_data->demote, free);
g_list_free_full(n_data->promote, free);
g_list_free_full(n_data->master, free);
g_list_free_full(n_data->slave, free);
g_list_free_full(n_data->active, free);
g_list_free_full(n_data->inactive, free);
g_hash_table_destroy(n_data->keys);
free(n_data);
}
int transition_id = -1;
/*
* Create a dependency graph to send to the transitioner (via the CRMd)
*/
gboolean
stage8(pe_working_set_t * data_set)
{
GListPtr gIter = NULL;
const char *value = NULL;
transition_id++;
crm_trace("Creating transition graph %d.", transition_id);
data_set->graph = create_xml_node(NULL, XML_TAG_GRAPH);
value = pe_pref(data_set->config_hash, "cluster-delay");
crm_xml_add(data_set->graph, "cluster-delay", value);
value = pe_pref(data_set->config_hash, "stonith-timeout");
crm_xml_add(data_set->graph, "stonith-timeout", value);
crm_xml_add(data_set->graph, "failed-stop-offset", "INFINITY");
if (is_set(data_set->flags, pe_flag_start_failure_fatal)) {
crm_xml_add(data_set->graph, "failed-start-offset", "INFINITY");
} else {
crm_xml_add(data_set->graph, "failed-start-offset", "1");
}
value = pe_pref(data_set->config_hash, "batch-limit");
crm_xml_add(data_set->graph, "batch-limit", value);
crm_xml_add_int(data_set->graph, "transition_id", transition_id);
value = pe_pref(data_set->config_hash, "migration-limit");
if (crm_int_helper(value, NULL) > 0) {
crm_xml_add(data_set->graph, "migration-limit", value);
}
/* errors...
slist_iter(action, action_t, action_list, lpc,
if(action->optional == FALSE && action->runnable == FALSE) {
print_action("Ignoring", action, TRUE);
}
);
*/
gIter = data_set->resources;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *rsc = (resource_t *) gIter->data;
crm_trace("processing actions for rsc=%s", rsc->id);
rsc->cmds->expand(rsc, data_set);
}
crm_log_xml_trace(data_set->graph, "created resource-driven action list");
/* catch any non-resource specific actions */
crm_trace("processing non-resource actions");
gIter = data_set->actions;
for (; gIter != NULL; gIter = gIter->next) {
action_t *action = (action_t *) gIter->data;
if (action->rsc
&& action->node
&& action->node->details->shutdown
&& is_not_set(data_set->flags, pe_flag_maintenance_mode)
&& is_not_set(action->flags, pe_action_optional)
&& is_not_set(action->flags, pe_action_runnable)
&& crm_str_eq(action->task, RSC_STOP, TRUE)
) {
crm_crit("Cannot shut down node '%s' because of %s:%s%s",
action->node->details->uname, action->rsc->id,
is_not_set(action->rsc->flags, pe_rsc_managed)?" unmanaged":" blocked",
is_set(action->rsc->flags, pe_rsc_failed)?" failed":"");
}
graph_element_from_action(action, data_set);
}
crm_log_xml_trace(data_set->graph, "created generic action list");
crm_trace("Created transition graph %d.", transition_id);
return TRUE;
}
void
cleanup_alloc_calculations(pe_working_set_t * data_set)
{
if (data_set == NULL) {
return;
}
crm_trace("deleting %d order cons: %p",
g_list_length(data_set->ordering_constraints), data_set->ordering_constraints);
pe_free_ordering(data_set->ordering_constraints);
data_set->ordering_constraints = NULL;
crm_trace("deleting %d node cons: %p",
g_list_length(data_set->placement_constraints), data_set->placement_constraints);
pe_free_rsc_to_node(data_set->placement_constraints);
data_set->placement_constraints = NULL;
crm_trace("deleting %d inter-resource cons: %p",
g_list_length(data_set->colocation_constraints), data_set->colocation_constraints);
g_list_free_full(data_set->colocation_constraints, free);
data_set->colocation_constraints = NULL;
crm_trace("deleting %d ticket deps: %p",
g_list_length(data_set->ticket_constraints), data_set->ticket_constraints);
g_list_free_full(data_set->ticket_constraints, free);
data_set->ticket_constraints = NULL;
cleanup_calculations(data_set);
}
diff --git a/pengine/master.c b/pengine/master.c
index 4fb06eba45..68329511a7 100644
--- a/pengine/master.c
+++ b/pengine/master.c
@@ -1,1002 +1,1028 @@
/*
* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This software 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
* General Public License for more details.
*
* You should have received a copy of the GNU 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/msg_xml.h>
#include <allocate.h>
#include <utils.h>
#define VARIANT_CLONE 1
#include <lib/pengine/variant.h>
extern gint sort_clone_instance(gconstpointer a, gconstpointer b, gpointer data_set);
-extern int master_score(resource_t * rsc, node_t * node, int not_set_value);
+static int master_score(resource_t * rsc, node_t * node, int not_set_value);
static void
child_promoting_constraints(clone_variant_data_t * clone_data, enum pe_ordering type,
resource_t * rsc, resource_t * child, resource_t * last,
pe_working_set_t * data_set)
{
if (child == NULL) {
if (clone_data->ordered && last != NULL) {
crm_trace("Ordered version (last node)");
/* last child promote before promoted started */
new_rsc_order(last, RSC_PROMOTE, rsc, RSC_PROMOTED, type, data_set);
}
return;
}
/* child promote before global promoted */
new_rsc_order(child, RSC_PROMOTE, rsc, RSC_PROMOTED, type, data_set);
/* global promote before child promote */
new_rsc_order(rsc, RSC_PROMOTE, child, RSC_PROMOTE, type, data_set);
if (clone_data->ordered) {
crm_trace("Ordered version");
if (last == NULL) {
/* global promote before first child promote */
last = rsc;
}
/* else: child/child relative promote */
order_start_start(last, child, type);
new_rsc_order(last, RSC_PROMOTE, child, RSC_PROMOTE, type, data_set);
} else {
crm_trace("Un-ordered version");
}
}
static void
child_demoting_constraints(clone_variant_data_t * clone_data, enum pe_ordering type,
resource_t * rsc, resource_t * child, resource_t * last,
pe_working_set_t * data_set)
{
if (child == NULL) {
if (clone_data->ordered && last != NULL) {
crm_trace("Ordered version (last node)");
/* global demote before first child demote */
new_rsc_order(rsc, RSC_DEMOTE, last, RSC_DEMOTE, pe_order_optional, data_set);
}
return;
}
/* child demote before global demoted */
new_rsc_order(child, RSC_DEMOTE, rsc, RSC_DEMOTED, pe_order_implies_then_printed, data_set);
/* global demote before child demote */
new_rsc_order(rsc, RSC_DEMOTE, child, RSC_DEMOTE, pe_order_implies_first_printed, data_set);
if (clone_data->ordered && last != NULL) {
crm_trace("Ordered version");
/* child/child relative demote */
new_rsc_order(child, RSC_DEMOTE, last, RSC_DEMOTE, type, data_set);
} else if (clone_data->ordered) {
crm_trace("Ordered version (1st node)");
/* first child stop before global stopped */
new_rsc_order(child, RSC_DEMOTE, rsc, RSC_DEMOTED, type, data_set);
} else {
crm_trace("Un-ordered version");
}
}
static void
master_update_pseudo_status(resource_t * rsc, gboolean * demoting, gboolean * promoting)
{
GListPtr gIter = NULL;
if (rsc->children) {
gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child = (resource_t *) gIter->data;
master_update_pseudo_status(child, demoting, promoting);
}
return;
}
CRM_ASSERT(demoting != NULL);
CRM_ASSERT(promoting != NULL);
gIter = rsc->actions;
for (; gIter != NULL; gIter = gIter->next) {
action_t *action = (action_t *) gIter->data;
if (*promoting && *demoting) {
return;
} else if (is_set(action->flags, pe_action_optional)) {
continue;
} else if (safe_str_eq(RSC_DEMOTE, action->task)) {
*demoting = TRUE;
} else if (safe_str_eq(RSC_PROMOTE, action->task)) {
*promoting = TRUE;
}
}
}
#define apply_master_location(list) do { \
gIter2 = list; \
for(; gIter2 != NULL; gIter2 = gIter2->next) { \
rsc_to_node_t *cons = (rsc_to_node_t*)gIter2->data; \
\
cons_node = NULL; \
if(cons->role_filter == RSC_ROLE_MASTER) { \
crm_trace("Applying %s to %s", \
cons->id, child_rsc->id); \
cons_node = pe_find_node_id( \
cons->node_list_rh, chosen->details->id); \
} \
if(cons_node != NULL) { \
int new_priority = merge_weights( \
child_rsc->priority, cons_node->weight); \
crm_trace("\t%s: %d->%d (%d)", child_rsc->id, \
child_rsc->priority, new_priority, cons_node->weight); \
child_rsc->priority = new_priority; \
} \
} \
} while(0)
static node_t *
can_be_master(resource_t * rsc)
{
node_t *node = NULL;
node_t *local_node = NULL;
resource_t *parent = uber_parent(rsc);
clone_variant_data_t *clone_data = NULL;
#if 0
enum rsc_role_e role = RSC_ROLE_UNKNOWN;
role = rsc->fns->state(rsc, FALSE);
crm_info("%s role: %s", rsc->id, role2text(role));
#endif
if (rsc->children) {
GListPtr gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child = (resource_t *) gIter->data;
if (can_be_master(child) == NULL) {
crm_trace( "Child %s of %s can't be promoted", child->id, rsc->id);
return NULL;
}
}
}
node = rsc->fns->location(rsc, NULL, FALSE);
if (node == NULL) {
crm_trace( "%s cannot be master: not allocated", rsc->id);
return NULL;
} else if (is_not_set(rsc->flags, pe_rsc_managed)) {
if (rsc->fns->state(rsc, TRUE) == RSC_ROLE_MASTER) {
crm_notice("Forcing unmanaged master %s to remain promoted on %s",
rsc->id, node->details->uname);
} else {
return NULL;
}
} else if (rsc->priority < 0) {
crm_trace( "%s cannot be master: preference: %d", rsc->id, rsc->priority);
return NULL;
} else if (can_run_resources(node) == FALSE) {
crm_trace( "Node cant run any resources: %s", node->details->uname);
return NULL;
}
get_clone_variant_data(clone_data, parent);
local_node = pe_hash_table_lookup(parent->allowed_nodes, node->details->id);
if (local_node == NULL) {
crm_err("%s cannot run on %s: node not allowed", rsc->id, node->details->uname);
return NULL;
} else if (local_node->count < clone_data->master_node_max
|| is_not_set(rsc->flags, pe_rsc_managed)) {
return local_node;
} else {
crm_trace( "%s cannot be master on %s: node full",
rsc->id, node->details->uname);
}
return NULL;
}
static gint
sort_master_instance(gconstpointer a, gconstpointer b, gpointer data_set)
{
int rc;
enum rsc_role_e role1 = RSC_ROLE_UNKNOWN;
enum rsc_role_e role2 = RSC_ROLE_UNKNOWN;
const resource_t *resource1 = (const resource_t *)a;
const resource_t *resource2 = (const resource_t *)b;
CRM_ASSERT(resource1 != NULL);
CRM_ASSERT(resource2 != NULL);
role1 = resource1->fns->state(resource1, TRUE);
role2 = resource2->fns->state(resource2, TRUE);
rc = sort_rsc_index(a, b);
if (rc != 0) {
crm_trace("%s %c %s (index)", resource1->id, rc < 0 ? '<' : '>', resource2->id);
return rc;
}
if (role1 > role2) {
crm_trace("%s %c %s (role)", resource1->id, '<', resource2->id);
return -1;
} else if (role1 < role2) {
crm_trace("%s %c %s (role)", resource1->id, '>', resource2->id);
return 1;
}
return sort_clone_instance(a, b, data_set);
}
static void
master_promotion_order(resource_t * rsc, pe_working_set_t * data_set)
{
GListPtr gIter = NULL;
node_t *node = NULL;
node_t *chosen = NULL;
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, rsc);
if (clone_data->merged_master_weights) {
return;
}
clone_data->merged_master_weights = TRUE;
crm_trace("Merging weights for %s", rsc->id);
set_bit(rsc->flags, pe_rsc_merging);
gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child = (resource_t *) gIter->data;
crm_trace("Sort index: %s = %d", child->id, child->sort_index);
}
dump_node_scores(LOG_DEBUG_3, rsc, "Before", rsc->allowed_nodes);
gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child = (resource_t *) gIter->data;
chosen = child->fns->location(child, NULL, FALSE);
if (chosen == NULL || child->sort_index < 0) {
crm_trace("Skipping %s", child->id);
continue;
}
node = (node_t *) pe_hash_table_lookup(rsc->allowed_nodes, chosen->details->id);
CRM_ASSERT(node != NULL);
/* adds in master preferences and rsc_location.role=Master */
crm_trace("Adding %s to %s from %s", score2char(child->sort_index), node->details->uname,
child->id);
node->weight = merge_weights(child->sort_index, node->weight);
}
dump_node_scores(LOG_DEBUG_3, rsc, "Middle", rsc->allowed_nodes);
gIter = rsc->rsc_cons;
for (; gIter != NULL; gIter = gIter->next) {
rsc_colocation_t *constraint = (rsc_colocation_t *) gIter->data;
/* (re-)adds location preferences of resources that the
* master instance should/must be colocated with
*/
if (constraint->role_lh == RSC_ROLE_MASTER) {
crm_trace("RHS: %s with %s: %d", constraint->rsc_lh->id, constraint->rsc_rh->id,
constraint->score);
rsc->allowed_nodes =
constraint->rsc_rh->cmds->merge_weights(constraint->rsc_rh, rsc->id,
rsc->allowed_nodes,
constraint->node_attribute,
constraint->score / INFINITY,
constraint->score ==
INFINITY ? FALSE : TRUE, FALSE);
}
}
gIter = rsc->rsc_cons_lhs;
for (; gIter != NULL; gIter = gIter->next) {
rsc_colocation_t *constraint = (rsc_colocation_t *) gIter->data;
/* (re-)adds location preferences of resource that wish to be
* colocated with the master instance
*/
if (constraint->role_rh == RSC_ROLE_MASTER) {
crm_trace("LHS: %s with %s: %d", constraint->rsc_lh->id, constraint->rsc_rh->id,
constraint->score);
rsc->allowed_nodes =
constraint->rsc_lh->cmds->merge_weights(constraint->rsc_lh, rsc->id,
rsc->allowed_nodes,
constraint->node_attribute,
constraint->score / INFINITY, TRUE, TRUE);
}
}
gIter = rsc->rsc_tickets;
for (; gIter != NULL; gIter = gIter->next) {
rsc_ticket_t *rsc_ticket = (rsc_ticket_t *) gIter->data;
if (rsc_ticket->role_lh == RSC_ROLE_MASTER
&& (rsc_ticket->ticket->granted == FALSE || rsc_ticket->ticket->standby)) {
resource_location(rsc, NULL, -INFINITY, "__stateful_without_ticket__", data_set);
}
}
dump_node_scores(LOG_DEBUG_3, rsc, "After", rsc->allowed_nodes);
/* write them back and sort */
gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child = (resource_t *) gIter->data;
chosen = child->fns->location(child, NULL, FALSE);
if (is_not_set(child->flags, pe_rsc_managed) && child->next_role == RSC_ROLE_MASTER) {
child->sort_index = INFINITY;
} else if (chosen == NULL || child->sort_index < 0) {
crm_trace("%s: %d", child->id, child->sort_index);
} else {
node = (node_t *) pe_hash_table_lookup(rsc->allowed_nodes, chosen->details->id);
CRM_ASSERT(node != NULL);
child->sort_index = node->weight;
}
crm_trace("Set sort index: %s = %d", child->id, child->sort_index);
}
rsc->children = g_list_sort_with_data(rsc->children, sort_master_instance, data_set);
clear_bit(rsc->flags, pe_rsc_merging);
}
-int
+static gboolean
+anonymous_known_on(resource_t * rsc, node_t *node)
+{
+ GListPtr rIter = NULL;
+ char *key = clone_strip(rsc->id);
+ resource_t *parent = uber_parent(rsc);
+
+ for(rIter = parent->children; rIter; rIter = rIter->next) {
+ resource_t *child = rIter->data;
+
+ /* ->find_rsc() because we might be a cloned group
+ * and knowing that other members of the group are
+ * known here implies nothing
+ */
+ rsc = parent->fns->find_rsc(child, key, NULL, 0);
+ crm_trace("Checking %s for %s on %s", rsc->id, key, node->details->uname);
+ if(g_hash_table_lookup(rsc->known_on, node->details->id)) {
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+static int
master_score(resource_t * rsc, node_t * node, int not_set_value)
{
char *attr_name;
char *name = rsc->id;
const char *attr_value = NULL;
int score = not_set_value, len = 0;
if (rsc->children) {
GListPtr gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child = (resource_t *) gIter->data;
int c_score = master_score(child, node, not_set_value);
if (score == not_set_value) {
score = c_score;
} else {
score += c_score;
}
}
return score;
}
if (node == NULL) {
if(rsc->fns->state(rsc, TRUE) < RSC_ROLE_STARTED) {
crm_trace("Ingoring master score for %s: unknown state", rsc->id);
return score;
}
} else {
node_t *match = pe_find_node_id(rsc->running_on, node->details->id);
node_t *known = pe_hash_table_lookup(rsc->known_on, node->details->id);
- if (match == NULL && known == NULL) {
- crm_trace("%s is not active on %s - ignoring", rsc->id, node->details->uname);
+ if(is_not_set(rsc->flags, pe_rsc_unique) && anonymous_known_on(rsc, node)) {
+ crm_trace("Anonymous clone %s is known on %s", rsc->id, node->details->uname);
+
+ } else if (match == NULL && known == NULL) {
+ crm_trace("%s (aka. %s) is not known on %s - ignoring", rsc->id, rsc->clone_name, node->details->uname);
return score;
}
match = pe_hash_table_lookup(rsc->allowed_nodes, node->details->id);
if (match == NULL) {
return score;
} else if (match->weight < 0) {
crm_trace("%s on %s has score: %d - ignoring",
rsc->id, match->details->uname, match->weight);
return score;
}
}
if (rsc->clone_name) {
/* Use the name the lrm knows this resource as,
* since that's what crm_master would have used too
*/
name = rsc->clone_name;
}
len = 8 + strlen(name);
attr_name = calloc(1, len);
sprintf(attr_name, "master-%s", name);
if (node) {
attr_value = g_hash_table_lookup(node->details->attrs, attr_name);
crm_trace("%s: %s[%s] = %s", rsc->id, attr_name, node->details->uname, crm_str(attr_value));
}
if (attr_value != NULL) {
score = char2score(attr_value);
}
free(attr_name);
return score;
}
#define max(a, b) a<b?b:a
static void
apply_master_prefs(resource_t * rsc)
{
int score, new_score;
GListPtr gIter = rsc->children;
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, rsc);
if (clone_data->applied_master_prefs) {
/* Make sure we only do this once */
return;
}
clone_data->applied_master_prefs = TRUE;
for (; gIter != NULL; gIter = gIter->next) {
GHashTableIter iter;
node_t *node = NULL;
resource_t *child_rsc = (resource_t *) gIter->data;
g_hash_table_iter_init(&iter, child_rsc->allowed_nodes);
while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) {
if (can_run_resources(node) == FALSE) {
/* This node will never be promoted to master,
* so don't apply the master score as that may
* lead to clone shuffling
*/
continue;
}
score = master_score(child_rsc, node, 0);
if (score > 0) {
new_score = merge_weights(node->weight, score);
if (new_score != node->weight) {
crm_trace("\t%s: Updating preference for %s (%d->%d)",
child_rsc->id, node->details->uname, node->weight, new_score);
node->weight = new_score;
}
}
new_score = max(child_rsc->priority, score);
if (new_score != child_rsc->priority) {
crm_trace("\t%s: Updating priority (%d->%d)",
child_rsc->id, child_rsc->priority, new_score);
child_rsc->priority = new_score;
}
}
}
}
static void
set_role_slave(resource_t * rsc, gboolean current)
{
GListPtr gIter = rsc->children;
if (current) {
if (rsc->role == RSC_ROLE_STARTED) {
rsc->role = RSC_ROLE_SLAVE;
}
} else {
GListPtr allocated = NULL;
rsc->fns->location(rsc, &allocated, FALSE);
if (allocated) {
rsc->next_role = RSC_ROLE_SLAVE;
} else {
rsc->next_role = RSC_ROLE_STOPPED;
}
g_list_free(allocated);
}
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child_rsc = (resource_t *) gIter->data;
set_role_slave(child_rsc, current);
}
}
static void
set_role_master(resource_t * rsc)
{
GListPtr gIter = rsc->children;
if (rsc->next_role == RSC_ROLE_UNKNOWN) {
rsc->next_role = RSC_ROLE_MASTER;
}
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child_rsc = (resource_t *) gIter->data;
set_role_master(child_rsc);
}
}
node_t *
master_color(resource_t * rsc, node_t * prefer, pe_working_set_t * data_set)
{
int promoted = 0;
GListPtr gIter = NULL;
GListPtr gIter2 = NULL;
GHashTableIter iter;
node_t *node = NULL;
node_t *chosen = NULL;
node_t *cons_node = NULL;
enum rsc_role_e next_role = RSC_ROLE_UNKNOWN;
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, rsc);
if (is_not_set(rsc->flags, pe_rsc_provisional)) {
return NULL;
} else if (is_set(rsc->flags, pe_rsc_allocating)) {
crm_debug("Dependency loop detected involving %s", rsc->id);
return NULL;
}
apply_master_prefs(rsc);
clone_color(rsc, prefer, data_set);
set_bit(rsc->flags, pe_rsc_allocating);
/* count now tracks the number of masters allocated */
g_hash_table_iter_init(&iter, rsc->allowed_nodes);
while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) {
node->count = 0;
}
/*
* assign priority
*/
gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
GListPtr list = NULL;
resource_t *child_rsc = (resource_t *) gIter->data;
crm_trace("Assigning priority for %s: %s", child_rsc->id,
role2text(child_rsc->next_role));
if (child_rsc->fns->state(child_rsc, TRUE) == RSC_ROLE_STARTED) {
set_role_slave(child_rsc, TRUE);
}
chosen = child_rsc->fns->location(child_rsc, &list, FALSE);
if (g_list_length(list) > 1) {
crm_config_err("Cannot promote non-colocated child %s", child_rsc->id);
}
g_list_free(list);
if (chosen == NULL) {
continue;
}
next_role = child_rsc->fns->state(child_rsc, FALSE);
switch (next_role) {
case RSC_ROLE_STARTED:
case RSC_ROLE_UNKNOWN:
CRM_CHECK(chosen != NULL, break);
/*
* Default to -1 if no value is set
*
* This allows master locations to be specified
* based solely on rsc_location constraints,
* but prevents anyone from being promoted if
* neither a constraint nor a master-score is present
*/
child_rsc->priority = master_score(child_rsc, chosen, -1);
break;
case RSC_ROLE_SLAVE:
case RSC_ROLE_STOPPED:
child_rsc->priority = -INFINITY;
break;
case RSC_ROLE_MASTER:
/* We will arrive here if we're re-creating actions after a stonith
*/
break;
default:
CRM_CHECK(FALSE /* unhandled */ ,
crm_err("Unknown resource role: %d for %s", next_role, child_rsc->id));
}
apply_master_location(child_rsc->rsc_location);
apply_master_location(rsc->rsc_location);
gIter2 = child_rsc->rsc_cons;
for (; gIter2 != NULL; gIter2 = gIter2->next) {
rsc_colocation_t *cons = (rsc_colocation_t *) gIter2->data;
child_rsc->cmds->rsc_colocation_lh(child_rsc, cons->rsc_rh, cons);
}
child_rsc->sort_index = child_rsc->priority;
crm_trace("Assigning priority for %s: %d", child_rsc->id, child_rsc->priority);
if (next_role == RSC_ROLE_MASTER) {
child_rsc->sort_index = INFINITY;
}
}
dump_node_scores(LOG_DEBUG_3, rsc, "Pre merge", rsc->allowed_nodes);
master_promotion_order(rsc, data_set);
/* mark the first N as masters */
gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child_rsc = (resource_t *) gIter->data;
char *score = score2char(child_rsc->sort_index);
chosen = child_rsc->fns->location(child_rsc, NULL, FALSE);
if (show_scores) {
fprintf(stdout, "%s promotion score on %s: %s\n",
child_rsc->id, chosen ? chosen->details->uname : "none", score);
} else {
do_crm_log(scores_log_level, "%s promotion score on %s: %s",
child_rsc->id, chosen ? chosen->details->uname : "none", score);
}
free(score);
chosen = NULL; /* nuke 'chosen' so that we don't promote more than the
* required number of instances
*/
if (child_rsc->sort_index < 0) {
crm_trace("Not supposed to promote child: %s", child_rsc->id);
} else if (promoted < clone_data->master_max || is_not_set(rsc->flags, pe_rsc_managed)) {
chosen = can_be_master(child_rsc);
}
crm_debug("%s master score: %d", child_rsc->id, child_rsc->priority);
if (chosen == NULL) {
set_role_slave(child_rsc, FALSE);
continue;
}
chosen->count++;
crm_info("Promoting %s (%s %s)",
child_rsc->id, role2text(child_rsc->role), chosen->details->uname);
set_role_master(child_rsc);
promoted++;
}
clone_data->masters_allocated = promoted;
crm_info("%s: Promoted %d instances of a possible %d to master",
rsc->id, promoted, clone_data->master_max);
clear_bit(rsc->flags, pe_rsc_provisional);
clear_bit(rsc->flags, pe_rsc_allocating);
return NULL;
}
void
master_create_actions(resource_t * rsc, pe_working_set_t * data_set)
{
action_t *action = NULL;
GListPtr gIter = rsc->children;
action_t *action_complete = NULL;
gboolean any_promoting = FALSE;
gboolean any_demoting = FALSE;
resource_t *last_promote_rsc = NULL;
resource_t *last_demote_rsc = NULL;
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, rsc);
crm_debug("Creating actions for %s", rsc->id);
/* create actions as normal */
clone_create_actions(rsc, data_set);
for (; gIter != NULL; gIter = gIter->next) {
gboolean child_promoting = FALSE;
gboolean child_demoting = FALSE;
resource_t *child_rsc = (resource_t *) gIter->data;
crm_trace("Creating actions for %s", child_rsc->id);
child_rsc->cmds->create_actions(child_rsc, data_set);
master_update_pseudo_status(child_rsc, &child_demoting, &child_promoting);
any_demoting = any_demoting || child_demoting;
any_promoting = any_promoting || child_promoting;
crm_trace("Created actions for %s: %d %d", child_rsc->id, child_promoting,
child_demoting);
}
/* promote */
action = promote_action(rsc, NULL, !any_promoting);
action_complete = custom_action(rsc, promoted_key(rsc),
RSC_PROMOTED, NULL, !any_promoting, TRUE, data_set);
action_complete->priority = INFINITY;
update_action_flags(action, pe_action_pseudo);
update_action_flags(action, pe_action_runnable);
update_action_flags(action_complete, pe_action_pseudo);
update_action_flags(action_complete, pe_action_runnable);
if (clone_data->masters_allocated > 0) {
update_action_flags(action, pe_action_runnable);
update_action_flags(action_complete, pe_action_runnable);
}
child_promoting_constraints(clone_data, pe_order_optional,
rsc, NULL, last_promote_rsc, data_set);
if (clone_data->promote_notify == NULL) {
clone_data->promote_notify =
create_notification_boundaries(rsc, RSC_PROMOTE, action, action_complete, data_set);
}
/* demote */
action = demote_action(rsc, NULL, !any_demoting);
action_complete = custom_action(rsc, demoted_key(rsc),
RSC_DEMOTED, NULL, !any_demoting, TRUE, data_set);
action_complete->priority = INFINITY;
update_action_flags(action, pe_action_pseudo);
update_action_flags(action, pe_action_runnable);
update_action_flags(action_complete, pe_action_pseudo);
update_action_flags(action_complete, pe_action_runnable);
child_demoting_constraints(clone_data, pe_order_optional, rsc, NULL, last_demote_rsc, data_set);
if (clone_data->demote_notify == NULL) {
clone_data->demote_notify =
create_notification_boundaries(rsc, RSC_DEMOTE, action, action_complete, data_set);
if (clone_data->promote_notify) {
/* If we ever wanted groups to have notifications we'd need to move this to native_internal_constraints() one day
* Requires exposing *_notify
*/
order_actions(clone_data->stop_notify->post_done, clone_data->promote_notify->pre,
pe_order_optional);
order_actions(clone_data->start_notify->post_done, clone_data->promote_notify->pre,
pe_order_optional);
order_actions(clone_data->demote_notify->post_done, clone_data->promote_notify->pre,
pe_order_optional);
order_actions(clone_data->demote_notify->post_done, clone_data->start_notify->pre,
pe_order_optional);
order_actions(clone_data->demote_notify->post_done, clone_data->stop_notify->pre,
pe_order_optional);
}
}
/* restore the correct priority */
gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child_rsc = (resource_t *) gIter->data;
child_rsc->priority = rsc->priority;
}
}
void
master_internal_constraints(resource_t * rsc, pe_working_set_t * data_set)
{
GListPtr gIter = rsc->children;
resource_t *last_rsc = NULL;
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, rsc);
clone_internal_constraints(rsc, data_set);
/* global stopped before start */
new_rsc_order(rsc, RSC_STOPPED, rsc, RSC_START, pe_order_optional, data_set);
/* global stopped before promote */
new_rsc_order(rsc, RSC_STOPPED, rsc, RSC_PROMOTE, pe_order_optional, data_set);
/* global demoted before start */
new_rsc_order(rsc, RSC_DEMOTED, rsc, RSC_START, pe_order_optional, data_set);
/* global started before promote */
new_rsc_order(rsc, RSC_STARTED, rsc, RSC_PROMOTE, pe_order_optional, data_set);
/* global demoted before stop */
new_rsc_order(rsc, RSC_DEMOTED, rsc, RSC_STOP, pe_order_optional, data_set);
/* global demote before demoted */
new_rsc_order(rsc, RSC_DEMOTE, rsc, RSC_DEMOTED, pe_order_optional, data_set);
/* global demoted before promote */
new_rsc_order(rsc, RSC_DEMOTED, rsc, RSC_PROMOTE, pe_order_optional, data_set);
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child_rsc = (resource_t *) gIter->data;
/* child demote before promote */
new_rsc_order(child_rsc, RSC_DEMOTE, child_rsc, RSC_PROMOTE, pe_order_optional, data_set);
child_promoting_constraints(clone_data, pe_order_optional,
rsc, child_rsc, last_rsc, data_set);
child_demoting_constraints(clone_data, pe_order_optional,
rsc, child_rsc, last_rsc, data_set);
last_rsc = child_rsc;
}
}
static void
node_hash_update_one(GHashTable * hash, node_t * other, const char *attr, int score)
{
GHashTableIter iter;
node_t *node = NULL;
const char *value = NULL;
if (other == NULL) {
return;
} else if (attr == NULL) {
attr = "#" XML_ATTR_UNAME;
}
value = g_hash_table_lookup(other->details->attrs, attr);
g_hash_table_iter_init(&iter, hash);
while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) {
const char *tmp = g_hash_table_lookup(node->details->attrs, attr);
if (safe_str_eq(value, tmp)) {
crm_trace("%s: %d + %d", node->details->uname, node->weight, other->weight);
node->weight = merge_weights(node->weight, score);
}
}
}
void
master_rsc_colocation_rh(resource_t * rsc_lh, resource_t * rsc_rh, rsc_colocation_t * constraint)
{
GListPtr gIter = NULL;
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, rsc_rh);
CRM_CHECK(rsc_rh != NULL, return);
if (is_set(rsc_rh->flags, pe_rsc_provisional)) {
return;
} else if (constraint->role_rh == RSC_ROLE_UNKNOWN) {
crm_trace("Handling %s as a clone colocation", constraint->id);
clone_rsc_colocation_rh(rsc_lh, rsc_rh, constraint);
return;
}
CRM_CHECK(rsc_lh != NULL, return);
CRM_CHECK(rsc_lh->variant == pe_native, return);
crm_trace("Processing constraint %s: %d", constraint->id, constraint->score);
if (constraint->role_rh == RSC_ROLE_UNKNOWN) {
gIter = rsc_rh->children;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child_rsc = (resource_t *) gIter->data;
child_rsc->cmds->rsc_colocation_rh(rsc_lh, child_rsc, constraint);
}
} else if (is_set(rsc_lh->flags, pe_rsc_provisional)) {
GListPtr rhs = NULL;
gIter = rsc_rh->children;
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child_rsc = (resource_t *) gIter->data;
node_t *chosen = child_rsc->fns->location(child_rsc, NULL, FALSE);
enum rsc_role_e next_role = child_rsc->fns->state(child_rsc, FALSE);
crm_trace("Processing: %s", child_rsc->id);
if (chosen != NULL && next_role == constraint->role_rh) {
crm_trace("Applying: %s %s %s %d", child_rsc->id,
role2text(next_role), chosen->details->uname, constraint->score);
if (constraint->score < INFINITY) {
node_hash_update_one(rsc_lh->allowed_nodes, chosen,
constraint->node_attribute, constraint->score);
}
rhs = g_list_prepend(rhs, chosen);
}
}
/* Only do this if its not a master-master colocation
* Doing this unconditionally would prevent the slaves from being started
*/
if (constraint->role_lh != RSC_ROLE_MASTER || constraint->role_rh != RSC_ROLE_MASTER) {
if (constraint->score >= INFINITY) {
node_list_exclude(rsc_lh->allowed_nodes, rhs, TRUE);
}
}
g_list_free(rhs);
} else if (constraint->role_lh == RSC_ROLE_MASTER) {
resource_t *rh_child = find_compatible_child(rsc_lh, rsc_rh, constraint->role_rh, FALSE);
if (rh_child == NULL && constraint->score >= INFINITY) {
crm_trace("%s can't be promoted %s", rsc_lh->id, constraint->id);
rsc_lh->priority = -INFINITY;
} else if (rh_child != NULL) {
int new_priority = merge_weights(rsc_lh->priority, constraint->score);
crm_debug("Applying %s to %s", constraint->id, rsc_lh->id);
crm_debug("\t%s: %d->%d", rsc_lh->id, rsc_lh->priority, new_priority);
rsc_lh->priority = new_priority;
}
}
return;
}
void
master_append_meta(resource_t * rsc, xmlNode * xml)
{
char *name = NULL;
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, rsc);
clone_append_meta(rsc, xml);
name = crm_meta_name(XML_RSC_ATTR_MASTER_MAX);
crm_xml_add_int(xml, name, clone_data->master_max);
free(name);
name = crm_meta_name(XML_RSC_ATTR_MASTER_NODEMAX);
crm_xml_add_int(xml, name, clone_data->master_node_max);
free(name);
}
diff --git a/pengine/native.c b/pengine/native.c
index ac6434c89c..74b21d8ee9 100644
--- a/pengine/native.c
+++ b/pengine/native.c
@@ -1,3041 +1,3110 @@
/*
* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This software 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
* General Public License for more details.
*
* You should have received a copy of the GNU 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 <pengine.h>
#include <crm/pengine/rules.h>
#include <crm/msg_xml.h>
#include <allocate.h>
#include <utils.h>
#define DELETE_THEN_REFRESH 1 /* The crmd will remove the resource from the CIB itself, making this redundant */
#define INFINITY_HACK (INFINITY * -100)
#define VARIANT_NATIVE 1
#include <lib/pengine/variant.h>
void native_rsc_colocation_rh_must(resource_t * rsc_lh, gboolean update_lh,
resource_t * rsc_rh, gboolean update_rh);
void native_rsc_colocation_rh_mustnot(resource_t * rsc_lh, gboolean update_lh,
resource_t * rsc_rh, gboolean update_rh);
void Recurring(resource_t * rsc, action_t * start, node_t * node, pe_working_set_t * data_set);
void RecurringOp(resource_t * rsc, action_t * start, node_t * node,
xmlNode * operation, pe_working_set_t * data_set);
void Recurring_Stopped(resource_t * rsc, action_t * start, node_t * node,
pe_working_set_t * data_set);
void RecurringOp_Stopped(resource_t * rsc, action_t * start, node_t * node,
xmlNode * operation, pe_working_set_t * data_set);
void pe_post_notify(resource_t * rsc, node_t * node, action_t * op,
notify_data_t * n_data, pe_working_set_t * data_set);
gboolean DeleteRsc(resource_t * rsc, node_t * node, gboolean optional, pe_working_set_t * data_set);
gboolean StopRsc(resource_t * rsc, node_t * next, gboolean optional, pe_working_set_t * data_set);
gboolean StartRsc(resource_t * rsc, node_t * next, gboolean optional, pe_working_set_t * data_set);
gboolean DemoteRsc(resource_t * rsc, node_t * next, gboolean optional, pe_working_set_t * data_set);
gboolean PromoteRsc(resource_t * rsc, node_t * next, gboolean optional,
pe_working_set_t * data_set);
gboolean RoleError(resource_t * rsc, node_t * next, gboolean optional, pe_working_set_t * data_set);
gboolean NullOp(resource_t * rsc, node_t * next, gboolean optional, pe_working_set_t * data_set);
/* *INDENT-OFF* */
enum rsc_role_e rsc_state_matrix[RSC_ROLE_MAX][RSC_ROLE_MAX] = {
/* Current State */
/* Next State: Unknown Stopped Started Slave Master */
/* Unknown */ { RSC_ROLE_UNKNOWN, RSC_ROLE_STOPPED, RSC_ROLE_STOPPED, RSC_ROLE_STOPPED, RSC_ROLE_STOPPED, },
/* Stopped */ { RSC_ROLE_STOPPED, RSC_ROLE_STOPPED, RSC_ROLE_STARTED, RSC_ROLE_SLAVE, RSC_ROLE_SLAVE, },
/* Started */ { RSC_ROLE_STOPPED, RSC_ROLE_STOPPED, RSC_ROLE_STARTED, RSC_ROLE_SLAVE, RSC_ROLE_MASTER, },
/* Slave */ { RSC_ROLE_STOPPED, RSC_ROLE_STOPPED, RSC_ROLE_UNKNOWN, RSC_ROLE_SLAVE, RSC_ROLE_MASTER, },
/* Master */ { RSC_ROLE_STOPPED, RSC_ROLE_SLAVE, RSC_ROLE_UNKNOWN, RSC_ROLE_SLAVE, RSC_ROLE_MASTER, },
};
gboolean (*rsc_action_matrix[RSC_ROLE_MAX][RSC_ROLE_MAX])(resource_t*,node_t*,gboolean,pe_working_set_t*) = {
/* Current State */
/* Next State: Unknown Stopped Started Slave Master */
/* Unknown */ { RoleError, StopRsc, RoleError, RoleError, RoleError, },
/* Stopped */ { RoleError, NullOp, StartRsc, StartRsc, RoleError, },
/* Started */ { RoleError, StopRsc, NullOp, NullOp, PromoteRsc, },
/* Slave */ { RoleError, StopRsc, RoleError, NullOp, PromoteRsc, },
/* Master */ { RoleError, DemoteRsc, RoleError, DemoteRsc, NullOp, },
};
/* *INDENT-ON* */
struct capacity_data {
node_t *node;
resource_t *rsc;
gboolean is_enough;
};
static void
check_capacity(gpointer key, gpointer value, gpointer user_data)
{
int required = 0;
int remaining = 0;
struct capacity_data *data = user_data;
required = crm_parse_int(value, "0");
remaining = crm_parse_int(g_hash_table_lookup(data->node->details->utilization, key), "0");
if (required > remaining) {
crm_debug("Node %s has no enough %s for resource %s: required=%d remaining=%d",
data->node->details->uname, (char *)key, data->rsc->id, required, remaining);
data->is_enough = FALSE;
}
}
static gboolean
have_enough_capacity(node_t * node, resource_t * rsc)
{
struct capacity_data data;
data.node = node;
data.rsc = rsc;
data.is_enough = TRUE;
g_hash_table_foreach(rsc->utilization, check_capacity, &data);
return data.is_enough;
}
static gboolean
native_choose_node(resource_t * rsc, node_t * prefer, pe_working_set_t * data_set)
{
/*
1. Sort by weight
2. color.chosen_node = the node (of those with the highest wieght)
with the fewest resources
3. remove color.chosen_node from all other colors
*/
int alloc_details = scores_log_level + 1;
GListPtr nodes = NULL;
node_t *chosen = NULL;
int lpc = 0;
int multiple = 0;
int length = 0;
gboolean result = FALSE;
if (safe_str_neq(data_set->placement_strategy, "default")) {
GListPtr gIter = NULL;
for (gIter = data_set->nodes; gIter != NULL; gIter = gIter->next) {
node_t *node = (node_t *) gIter->data;
if (have_enough_capacity(node, rsc) == FALSE) {
crm_debug("Resource %s cannot be allocated to node %s: none of enough capacity",
rsc->id, node->details->uname);
resource_location(rsc, node, -INFINITY, "__limit_utilization_", data_set);
}
}
dump_node_scores(alloc_details, rsc, "Post-utilization", rsc->allowed_nodes);
}
length = g_hash_table_size(rsc->allowed_nodes);
if (is_not_set(rsc->flags, pe_rsc_provisional)) {
return rsc->allocated_to ? TRUE : FALSE;
}
if (prefer) {
chosen = g_hash_table_lookup(rsc->allowed_nodes, prefer->details->id);
if (chosen && chosen->weight >= 0 && can_run_resources(chosen)) {
crm_trace("Using preferred node %s for %s instead of choosing from %d candidates",
chosen->details->uname, rsc->id, length);
} else if (chosen && chosen->weight < 0) {
crm_trace("Preferred node %s for %s was unavailable", chosen->details->uname, rsc->id);
chosen = NULL;
} else if (chosen && can_run_resources(chosen)) {
crm_trace("Preferred node %s for %s was unsuitable", chosen->details->uname, rsc->id);
chosen = NULL;
} else {
crm_trace("Preferred node %s for %s was unknown", prefer->details->uname, rsc->id);
}
}
if (chosen == NULL && rsc->allowed_nodes) {
nodes = g_hash_table_get_values(rsc->allowed_nodes);
nodes = g_list_sort_with_data(nodes, sort_node_weight, g_list_nth_data(rsc->running_on, 0));
chosen = g_list_nth_data(nodes, 0);
crm_trace("Chose node %s for %s from %d candidates",
chosen ? chosen->details->uname : "<none>", rsc->id, length);
if (chosen && chosen->weight > 0 && can_run_resources(chosen)) {
node_t *running = g_list_nth_data(rsc->running_on, 0);
if (running && can_run_resources(running) == FALSE) {
crm_trace("Current node for %s (%s) can't run resources",
rsc->id, running->details->uname);
running = NULL;
}
for (lpc = 1; lpc < length && running; lpc++) {
node_t *tmp = g_list_nth_data(nodes, lpc);
if (tmp->weight == chosen->weight) {
multiple++;
if (tmp->details == running->details) {
/* prefer the existing node if scores are equal */
chosen = tmp;
}
}
}
}
}
if (multiple > 1) {
int log_level = LOG_INFO;
char *score = score2char(chosen->weight);
if (chosen->weight >= INFINITY) {
log_level = LOG_WARNING;
}
do_crm_log(log_level, "%d nodes with equal score (%s) for"
" running %s resources. Chose %s.",
multiple, score, rsc->id, chosen->details->uname);
free(score);
}
result = native_assign_node(rsc, nodes, chosen, FALSE);
g_list_free(nodes);
return result;
}
static int
node_list_attr_score(GHashTable * list, const char *attr, const char *value)
{
GHashTableIter iter;
node_t *node = NULL;
int best_score = -INFINITY;
const char *best_node = NULL;
if (attr == NULL) {
attr = "#" XML_ATTR_UNAME;
}
g_hash_table_iter_init(&iter, list);
while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) {
int weight = node->weight;
if (can_run_resources(node) == FALSE) {
weight = -INFINITY;
}
if (weight > best_score || best_node == NULL) {
const char *tmp = g_hash_table_lookup(node->details->attrs, attr);
if (safe_str_eq(value, tmp)) {
best_score = weight;
best_node = node->details->uname;
}
}
}
if (safe_str_neq(attr, "#" XML_ATTR_UNAME)) {
crm_info("Best score for %s=%s was %s with %d",
attr, value, best_node ? best_node : "<none>", best_score);
}
return best_score;
}
static void
node_hash_update(GHashTable * list1, GHashTable * list2, const char *attr, int factor,
gboolean only_positive)
{
int score = 0;
int new_score = 0;
GHashTableIter iter;
node_t *node = NULL;
if (attr == NULL) {
attr = "#" XML_ATTR_UNAME;
}
g_hash_table_iter_init(&iter, list1);
while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) {
CRM_CHECK(node != NULL, continue);
score = node_list_attr_score(list2, attr, g_hash_table_lookup(node->details->attrs, attr));
new_score = merge_weights(factor * score, node->weight);
if (factor < 0 && score < 0) {
/* Negative preference for a node with a negative score
* should not become a positive preference
*
* TODO: Decide if we want to filter only if weight == -INFINITY
*
*/
crm_trace("%s: Filtering %d + %d*%d (factor * score)",
node->details->uname, node->weight, factor, score);
} else if (node->weight == INFINITY_HACK) {
crm_trace("%s: Filtering %d + %d*%d (node < 0)",
node->details->uname, node->weight, factor, score);
} else if (only_positive && new_score < 0 && node->weight > 0) {
node->weight = INFINITY_HACK;
crm_trace("%s: Filtering %d + %d*%d (score > 0)",
node->details->uname, node->weight, factor, score);
} else if (only_positive && new_score < 0 && node->weight == 0) {
crm_trace("%s: Filtering %d + %d*%d (score == 0)",
node->details->uname, node->weight, factor, score);
} else {
crm_trace("%s: %d + %d*%d", node->details->uname, node->weight, factor, score);
node->weight = new_score;
}
}
}
static GHashTable *
node_hash_dup(GHashTable * hash)
{
/* Hack! */
GListPtr list = g_hash_table_get_values(hash);
GHashTable *result = node_hash_from_list(list);
g_list_free(list);
return result;
}
GHashTable *
native_merge_weights(resource_t * rsc, const char *rhs, GHashTable * nodes, const char *attr,
int factor, gboolean allow_rollback, gboolean only_positive)
{
enum pe_weights flags = pe_weights_none;
if (only_positive) {
set_bit(flags, pe_weights_positive);
}
if (allow_rollback) {
set_bit(flags, pe_weights_rollback);
}
return rsc_merge_weights(rsc, rhs, nodes, attr, factor, flags);
}
GHashTable *
rsc_merge_weights(resource_t * rsc, const char *rhs, GHashTable * nodes, const char *attr,
int factor, enum pe_weights flags)
{
GHashTable *work = NULL;
int multiplier = 1;
if (factor < 0) {
multiplier = -1;
}
if (is_set(rsc->flags, pe_rsc_merging)) {
crm_info("%s: Breaking dependency loop at %s", rhs, rsc->id);
return nodes;
}
set_bit(rsc->flags, pe_rsc_merging);
if (is_set(flags, pe_weights_init)) {
if (rsc->variant == pe_group && rsc->children) {
GListPtr last = rsc->children;
while (last->next != NULL) {
last = last->next;
}
crm_trace("Merging %s as a group %p %p", rsc->id, rsc->children, last);
work = rsc_merge_weights(last->data, rhs, NULL, attr, factor, flags);
} else {
work = node_hash_dup(rsc->allowed_nodes);
}
clear_bit(flags, pe_weights_init);
} else {
crm_trace("%s: Combining scores from %s", rhs, rsc->id);
work = node_hash_dup(nodes);
node_hash_update(work, rsc->allowed_nodes, attr, factor,
is_set(flags, pe_weights_positive));
}
if (is_set(flags, pe_weights_rollback) && can_run_any(work) == FALSE) {
crm_info("%s: Rolling back scores from %s", rhs, rsc->id);
g_hash_table_destroy(work);
clear_bit(rsc->flags, pe_rsc_merging);
return nodes;
}
if (can_run_any(work)) {
GListPtr gIter = NULL;
if (is_set(flags, pe_weights_forward)) {
gIter = rsc->rsc_cons;
} else {
gIter = rsc->rsc_cons_lhs;
}
for (; gIter != NULL; gIter = gIter->next) {
resource_t *other = NULL;
rsc_colocation_t *constraint = (rsc_colocation_t *) gIter->data;
if (is_set(flags, pe_weights_forward)) {
other = constraint->rsc_rh;
} else {
other = constraint->rsc_lh;
}
crm_trace("Applying %s (%s)", constraint->id, other->id);
work = rsc_merge_weights(other, rhs, work, constraint->node_attribute,
multiplier * constraint->score / INFINITY, flags);
dump_node_scores(LOG_TRACE, NULL, rhs, work);
}
}
if(is_set(flags, pe_weights_positive)) {
node_t *node = NULL;
GHashTableIter iter;
g_hash_table_iter_init(&iter, work);
while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) {
if (node->weight == INFINITY_HACK) {
node->weight = 1;
}
}
}
if (nodes) {
g_hash_table_destroy(nodes);
}
clear_bit(rsc->flags, pe_rsc_merging);
return work;
}
node_t *
native_color(resource_t * rsc, node_t * prefer, pe_working_set_t * data_set)
{
GListPtr gIter = NULL;
int alloc_details = scores_log_level + 1;
const char *class = crm_element_value(rsc->xml, XML_AGENT_ATTR_CLASS);
if (rsc->parent && is_not_set(rsc->parent->flags, pe_rsc_allocating)) {
/* never allocate children on their own */
crm_debug("Escalating allocation of %s to its parent: %s", rsc->id, rsc->parent->id);
rsc->parent->cmds->allocate(rsc->parent, prefer, data_set);
}
if (is_not_set(rsc->flags, pe_rsc_provisional)) {
return rsc->allocated_to;
}
if (is_set(rsc->flags, pe_rsc_allocating)) {
crm_debug("Dependency loop detected involving %s", rsc->id);
return NULL;
}
set_bit(rsc->flags, pe_rsc_allocating);
print_resource(alloc_details, "Allocating: ", rsc, FALSE);
dump_node_scores(alloc_details, rsc, "Pre-allloc", rsc->allowed_nodes);
for (gIter = rsc->rsc_cons; gIter != NULL; gIter = gIter->next) {
rsc_colocation_t *constraint = (rsc_colocation_t *) gIter->data;
GHashTable *archive = NULL;
resource_t *rsc_rh = constraint->rsc_rh;
crm_trace("%s: Pre-Processing %s (%s, %d, %s)",
rsc->id, constraint->id, rsc_rh->id,
constraint->score, role2text(constraint->role_lh));
if (constraint->role_lh >= RSC_ROLE_MASTER
|| (constraint->score < 0 && constraint->score > -INFINITY)) {
archive = node_hash_dup(rsc->allowed_nodes);
}
rsc_rh->cmds->allocate(rsc_rh, NULL, data_set);
rsc->cmds->rsc_colocation_lh(rsc, rsc_rh, constraint);
if (archive && can_run_any(rsc->allowed_nodes) == FALSE) {
crm_info("%s: Rolling back scores from %s", rsc->id, rsc_rh->id);
g_hash_table_destroy(rsc->allowed_nodes);
rsc->allowed_nodes = archive;
archive = NULL;
}
if (archive) {
g_hash_table_destroy(archive);
}
}
dump_node_scores(alloc_details, rsc, "Post-coloc", rsc->allowed_nodes);
for (gIter = rsc->rsc_cons_lhs; gIter != NULL; gIter = gIter->next) {
rsc_colocation_t *constraint = (rsc_colocation_t *) gIter->data;
rsc->allowed_nodes =
constraint->rsc_lh->cmds->merge_weights(constraint->rsc_lh, rsc->id, rsc->allowed_nodes,
constraint->node_attribute,
constraint->score / INFINITY, TRUE, FALSE);
}
for (gIter = rsc->rsc_tickets; gIter != NULL; gIter = gIter->next) {
rsc_ticket_t *rsc_ticket = (rsc_ticket_t *) gIter->data;
if (rsc_ticket->ticket->granted == FALSE || rsc_ticket->ticket->standby) {
rsc_ticket_constraint(rsc, rsc_ticket, data_set);
}
}
print_resource(LOG_DEBUG_2, "Allocating: ", rsc, FALSE);
if (rsc->next_role == RSC_ROLE_STOPPED) {
crm_trace("Making sure %s doesn't get allocated", rsc->id);
/* make sure it doesnt come up again */
resource_location(rsc, NULL, -INFINITY, XML_RSC_ATTR_TARGET_ROLE, data_set);
}
dump_node_scores(show_scores ? 0 : scores_log_level, rsc, __PRETTY_FUNCTION__,
rsc->allowed_nodes);
if (is_set(data_set->flags, pe_flag_stonith_enabled)
&& is_set(data_set->flags, pe_flag_have_stonith_resource) == FALSE) {
clear_bit(rsc->flags, pe_rsc_managed);
}
if (is_not_set(rsc->flags, pe_rsc_managed)) {
const char *reason = NULL;
node_t *assign_to = NULL;
rsc->next_role = rsc->role;
if (rsc->running_on == NULL) {
reason = "inactive";
} else if (rsc->role == RSC_ROLE_MASTER) {
assign_to = rsc->running_on->data;
reason = "master";
} else if (is_set(rsc->flags, pe_rsc_failed)) {
reason = "failed";
} else {
assign_to = rsc->running_on->data;
reason = "active";
}
crm_info("Unmanaged resource %s allocated to %s: %s", rsc->id,
assign_to ? assign_to->details->uname : "'nowhere'", reason);
native_assign_node(rsc, NULL, assign_to, TRUE);
} else if (is_set(data_set->flags, pe_flag_stop_everything)
&& safe_str_neq(class, "stonith")) {
crm_debug("Forcing %s to stop", rsc->id);
native_assign_node(rsc, NULL, NULL, TRUE);
} else if (is_set(rsc->flags, pe_rsc_provisional)
&& native_choose_node(rsc, prefer, data_set)) {
crm_trace("Allocated resource %s to %s", rsc->id, rsc->allocated_to->details->uname);
} else if (rsc->allocated_to == NULL) {
if (is_not_set(rsc->flags, pe_rsc_orphan)) {
crm_info("Resource %s cannot run anywhere", rsc->id);
} else if (rsc->running_on != NULL) {
crm_info("Stopping orphan resource %s", rsc->id);
}
} else {
crm_debug("Pre-Allocated resource %s to %s", rsc->id, rsc->allocated_to->details->uname);
}
clear_bit(rsc->flags, pe_rsc_allocating);
print_resource(LOG_DEBUG_3, "Allocated ", rsc, TRUE);
return rsc->allocated_to;
}
static gboolean
is_op_dup(resource_t * rsc, const char *name, const char *interval)
{
gboolean dup = FALSE;
const char *id = NULL;
const char *value = NULL;
xmlNode *operation = NULL;
for (operation = __xml_first_child(rsc->ops_xml); operation != NULL;
operation = __xml_next(operation)) {
if (crm_str_eq((const char *)operation->name, "op", TRUE)) {
value = crm_element_value(operation, "name");
if (safe_str_neq(value, name)) {
continue;
}
value = crm_element_value(operation, XML_LRM_ATTR_INTERVAL);
if (value == NULL) {
value = "0";
}
if (safe_str_neq(value, interval)) {
continue;
}
if (id == NULL) {
id = ID(operation);
} else {
crm_config_err("Operation %s is a duplicate of %s", ID(operation), id);
crm_config_err
("Do not use the same (name, interval) combination more than once per resource");
dup = TRUE;
}
}
}
return dup;
}
void
RecurringOp(resource_t * rsc, action_t * start, node_t * node,
xmlNode * operation, pe_working_set_t * data_set)
{
char *key = NULL;
const char *name = NULL;
const char *value = NULL;
const char *interval = NULL;
const char *node_uname = NULL;
unsigned long long interval_ms = 0;
action_t *mon = NULL;
gboolean is_optional = TRUE;
GListPtr possible_matches = NULL;
/* Only process for the operations without role="Stopped" */
value = crm_element_value(operation, "role");
if (value && text2role(value) == RSC_ROLE_STOPPED) {
return;
}
crm_trace("Creating recurring action %s for %s in role %s on %s",
ID(operation), rsc->id, role2text(rsc->next_role),
node ? node->details->uname : "n/a");
if (node != NULL) {
node_uname = node->details->uname;
}
interval = crm_element_value(operation, XML_LRM_ATTR_INTERVAL);
interval_ms = crm_get_interval(interval);
if (interval_ms == 0) {
return;
}
name = crm_element_value(operation, "name");
if (is_op_dup(rsc, name, interval)) {
return;
}
if (safe_str_eq(name, RSC_STOP)
|| safe_str_eq(name, RSC_START)
|| safe_str_eq(name, RSC_DEMOTE)
|| safe_str_eq(name, RSC_PROMOTE)
) {
crm_config_err("Invalid recurring action %s wth name: '%s'", ID(operation), name);
return;
}
key = generate_op_key(rsc->id, name, interval_ms);
if (find_rsc_op_entry(rsc, key) == NULL) {
/* disabled */
free(key);
return;
}
if (start != NULL) {
crm_trace("Marking %s %s due to %s",
key, is_set(start->flags, pe_action_optional) ? "optional" : "manditory",
start->uuid);
is_optional = (rsc->cmds->action_flags(start, NULL) & pe_action_optional);
} else {
crm_trace("Marking %s optional", key);
is_optional = TRUE;
}
/* start a monitor for an already active resource */
possible_matches = find_actions_exact(rsc->actions, key, node);
if (possible_matches == NULL) {
is_optional = FALSE;
crm_trace("Marking %s manditory: not active", key);
} else {
g_list_free(possible_matches);
}
if ((rsc->next_role == RSC_ROLE_MASTER && value == NULL)
|| (value != NULL && text2role(value) != rsc->next_role)) {
int log_level = LOG_DEBUG_2;
const char *result = "Ignoring";
if (is_optional) {
char *local_key = strdup(key);
log_level = LOG_INFO;
result = "Cancelling";
/* its running : cancel it */
mon = custom_action(rsc, local_key, RSC_CANCEL, node, FALSE, TRUE, data_set);
free(mon->task);
mon->task = strdup(RSC_CANCEL);
add_hash_param(mon->meta, XML_LRM_ATTR_INTERVAL, interval);
add_hash_param(mon->meta, XML_LRM_ATTR_TASK, name);
local_key = NULL;
switch (rsc->role) {
case RSC_ROLE_SLAVE:
case RSC_ROLE_STARTED:
if (rsc->next_role == RSC_ROLE_MASTER) {
local_key = promote_key(rsc);
} else if (rsc->next_role == RSC_ROLE_STOPPED) {
local_key = stop_key(rsc);
}
break;
case RSC_ROLE_MASTER:
local_key = demote_key(rsc);
break;
default:
break;
}
if (local_key) {
custom_action_order(rsc, NULL, mon, rsc, local_key, NULL,
pe_order_runnable_left, data_set);
}
mon = NULL;
}
do_crm_log(log_level, "%s action %s (%s vs. %s)",
result, key, value ? value : role2text(RSC_ROLE_SLAVE),
role2text(rsc->next_role));
free(key);
key = NULL;
return;
}
mon = custom_action(rsc, key, name, node, is_optional, TRUE, data_set);
key = mon->uuid;
if (is_optional) {
crm_trace("%s\t %s (optional)", crm_str(node_uname), mon->uuid);
}
if (start == NULL || is_set(start->flags, pe_action_runnable) == FALSE) {
crm_debug("%s\t %s (cancelled : start un-runnable)", crm_str(node_uname), mon->uuid);
update_action_flags(mon, pe_action_runnable | pe_action_clear);
} else if (node == NULL || node->details->online == FALSE || node->details->unclean) {
crm_debug("%s\t %s (cancelled : no node available)", crm_str(node_uname), mon->uuid);
update_action_flags(mon, pe_action_runnable | pe_action_clear);
} else if (is_set(mon->flags, pe_action_optional) == FALSE) {
crm_info(" Start recurring %s (%llus) for %s on %s", mon->task, interval_ms / 1000,
rsc->id, crm_str(node_uname));
}
if (rsc->next_role == RSC_ROLE_MASTER) {
char *running_master = crm_itoa(PCMK_EXECRA_RUNNING_MASTER);
add_hash_param(mon->meta, XML_ATTR_TE_TARGET_RC, running_master);
free(running_master);
}
if (node == NULL || is_set(rsc->flags, pe_rsc_managed)) {
custom_action_order(rsc, start_key(rsc), NULL,
NULL, strdup(key), mon,
pe_order_implies_then | pe_order_runnable_left, data_set);
if (rsc->next_role == RSC_ROLE_MASTER) {
custom_action_order(rsc, promote_key(rsc), NULL,
rsc, NULL, mon,
pe_order_optional | pe_order_runnable_left, data_set);
} else if (rsc->role == RSC_ROLE_MASTER) {
custom_action_order(rsc, demote_key(rsc), NULL,
rsc, NULL, mon,
pe_order_optional | pe_order_runnable_left, data_set);
}
}
}
void
Recurring(resource_t * rsc, action_t * start, node_t * node, pe_working_set_t * data_set)
{
if (is_not_set(data_set->flags, pe_flag_maintenance_mode)) {
xmlNode *operation = NULL;
for (operation = __xml_first_child(rsc->ops_xml); operation != NULL;
operation = __xml_next(operation)) {
if (crm_str_eq((const char *)operation->name, "op", TRUE)) {
RecurringOp(rsc, start, node, operation, data_set);
}
}
}
}
void
RecurringOp_Stopped(resource_t * rsc, action_t * start, node_t * node,
xmlNode * operation, pe_working_set_t * data_set)
{
char *key = NULL;
const char *name = NULL;
const char *role = NULL;
const char *interval = NULL;
const char *node_uname = NULL;
unsigned long long interval_ms = 0;
GListPtr possible_matches = NULL;
GListPtr gIter = NULL;
/* TODO: Support of non-unique clone */
if (is_set(rsc->flags, pe_rsc_unique) == FALSE) {
return;
}
/* Only process for the operations with role="Stopped" */
role = crm_element_value(operation, "role");
if (role == NULL || text2role(role) != RSC_ROLE_STOPPED) {
return;
}
crm_trace
("Creating recurring actions %s for %s in role %s on nodes where it'll not be running",
ID(operation), rsc->id, role2text(rsc->next_role));
if (node != NULL) {
node_uname = node->details->uname;
}
interval = crm_element_value(operation, XML_LRM_ATTR_INTERVAL);
interval_ms = crm_get_interval(interval);
if (interval_ms == 0) {
return;
}
name = crm_element_value(operation, "name");
if (is_op_dup(rsc, name, interval)) {
return;
}
if (safe_str_eq(name, RSC_STOP)
|| safe_str_eq(name, RSC_START)
|| safe_str_eq(name, RSC_DEMOTE)
|| safe_str_eq(name, RSC_PROMOTE)
) {
crm_config_err("Invalid recurring action %s wth name: '%s'", ID(operation), name);
return;
}
key = generate_op_key(rsc->id, name, interval_ms);
if (find_rsc_op_entry(rsc, key) == NULL) {
/* disabled */
free(key);
return;
}
/* if the monitor exists on the node where the resource will be running, cancel it */
if (node != NULL) {
possible_matches = find_actions_exact(rsc->actions, key, node);
if (possible_matches) {
action_t *cancel_op = NULL;
char *local_key = strdup(key);
g_list_free(possible_matches);
cancel_op = custom_action(rsc, local_key, RSC_CANCEL, node, FALSE, TRUE, data_set);
free(cancel_op->task);
cancel_op->task = strdup(RSC_CANCEL);
add_hash_param(cancel_op->meta, XML_LRM_ATTR_INTERVAL, interval);
add_hash_param(cancel_op->meta, XML_LRM_ATTR_TASK, name);
local_key = NULL;
if (rsc->next_role == RSC_ROLE_STARTED || rsc->next_role == RSC_ROLE_SLAVE) {
/* rsc->role == RSC_ROLE_STOPPED: cancel the monitor before start */
/* rsc->role == RSC_ROLE_STARTED: for a migration, cancel the monitor on the target node before start */
custom_action_order(rsc, NULL, cancel_op, rsc, start_key(rsc), NULL,
pe_order_runnable_left, data_set);
}
crm_info("Cancel action %s (%s vs. %s) on %s",
key, role, role2text(rsc->next_role), crm_str(node_uname));
}
}
for (gIter = data_set->nodes; gIter != NULL; gIter = gIter->next) {
node_t *stop_node = (node_t *) gIter->data;
const char *stop_node_uname = stop_node->details->uname;
gboolean is_optional = TRUE;
gboolean probe_is_optional = TRUE;
gboolean stop_is_optional = TRUE;
action_t *stopped_mon = NULL;
char *rc_inactive = NULL;
GListPtr probe_complete_ops = NULL;
GListPtr stop_ops = NULL;
GListPtr local_gIter = NULL;
char *stop_op_key = NULL;
if (node_uname && safe_str_eq(stop_node_uname, node_uname)) {
continue;
}
crm_trace("Creating recurring action %s for %s on %s",
ID(operation), rsc->id, crm_str(stop_node_uname));
/* start a monitor for an already stopped resource */
possible_matches = find_actions_exact(rsc->actions, key, stop_node);
if (possible_matches == NULL) {
crm_trace("Marking %s manditory on %s: not active", key, crm_str(stop_node_uname));
is_optional = FALSE;
} else {
crm_trace("Marking %s optional on %s: already active", key, crm_str(stop_node_uname));
is_optional = TRUE;
g_list_free(possible_matches);
}
stopped_mon = custom_action(rsc, strdup(key), name, stop_node,
is_optional, TRUE, data_set);
rc_inactive = crm_itoa(PCMK_EXECRA_NOT_RUNNING);
add_hash_param(stopped_mon->meta, XML_ATTR_TE_TARGET_RC, rc_inactive);
free(rc_inactive);
probe_complete_ops = find_actions(data_set->actions, CRM_OP_PROBED, NULL);
for (local_gIter = probe_complete_ops; local_gIter != NULL; local_gIter = local_gIter->next) {
action_t *probe_complete = (action_t *) local_gIter->data;
if (probe_complete->node == NULL) {
if (is_set(probe_complete->flags, pe_action_optional) == FALSE) {
probe_is_optional = FALSE;
}
if (is_set(probe_complete->flags, pe_action_runnable) == FALSE) {
crm_debug("%s\t %s (cancelled : probe un-runnable)",
crm_str(stop_node_uname), stopped_mon->uuid);
update_action_flags(stopped_mon, pe_action_runnable | pe_action_clear);
}
if (is_set(rsc->flags, pe_rsc_managed)) {
custom_action_order(NULL, NULL, probe_complete,
NULL, strdup(key), stopped_mon,
pe_order_optional, data_set);
}
break;
}
}
if (probe_complete_ops) {
g_list_free(probe_complete_ops);
}
stop_op_key = stop_key(rsc);
stop_ops = find_actions_exact(rsc->actions, stop_op_key, stop_node);
for (local_gIter = stop_ops; local_gIter != NULL; local_gIter = local_gIter->next) {
action_t *stop = (action_t *) local_gIter->data;
if (is_set(stop->flags, pe_action_optional) == FALSE) {
stop_is_optional = FALSE;
}
if (is_set(stop->flags, pe_action_runnable) == FALSE) {
crm_debug("%s\t %s (cancelled : stop un-runnable)",
crm_str(stop_node_uname), stopped_mon->uuid);
update_action_flags(stopped_mon, pe_action_runnable | pe_action_clear);
}
if (is_set(rsc->flags, pe_rsc_managed)) {
custom_action_order(rsc, strdup(stop_op_key), stop,
NULL, strdup(key), stopped_mon,
pe_order_implies_then | pe_order_runnable_left, data_set);
}
}
if (stop_ops) {
g_list_free(stop_ops);
}
free(stop_op_key);
if (is_optional == FALSE && probe_is_optional && stop_is_optional
&& is_set(rsc->flags, pe_rsc_managed) == FALSE) {
crm_trace("Marking %s optional on %s due to unmanaged",
key, crm_str(stop_node_uname));
update_action_flags(stopped_mon, pe_action_optional);
}
if (is_set(stopped_mon->flags, pe_action_optional)) {
crm_trace("%s\t %s (optional)", crm_str(stop_node_uname), stopped_mon->uuid);
}
if (stop_node->details->online == FALSE || stop_node->details->unclean) {
crm_debug("%s\t %s (cancelled : no node available)",
crm_str(stop_node_uname), stopped_mon->uuid);
update_action_flags(stopped_mon, pe_action_runnable | pe_action_clear);
}
if (is_set(stopped_mon->flags, pe_action_runnable)
&& is_set(stopped_mon->flags, pe_action_optional) == FALSE) {
crm_notice(" Start recurring %s (%llus) for %s on %s", stopped_mon->task,
interval_ms / 1000, rsc->id, crm_str(stop_node_uname));
}
}
free(key);
}
void
Recurring_Stopped(resource_t * rsc, action_t * start, node_t * node, pe_working_set_t * data_set)
{
if (is_not_set(data_set->flags, pe_flag_maintenance_mode)) {
xmlNode *operation = NULL;
for (operation = __xml_first_child(rsc->ops_xml); operation != NULL;
operation = __xml_next(operation)) {
if (crm_str_eq((const char *)operation->name, "op", TRUE)) {
RecurringOp_Stopped(rsc, start, node, operation, data_set);
}
}
}
}
void
native_create_actions(resource_t * rsc, pe_working_set_t * data_set)
{
action_t *start = NULL;
node_t *chosen = NULL;
node_t *current = NULL;
gboolean need_stop = FALSE;
GListPtr gIter = NULL;
int num_active_nodes = g_list_length(rsc->running_on);
enum rsc_role_e role = RSC_ROLE_UNKNOWN;
enum rsc_role_e next_role = RSC_ROLE_UNKNOWN;
chosen = rsc->allocated_to;
if (chosen != NULL && rsc->next_role == RSC_ROLE_UNKNOWN) {
rsc->next_role = RSC_ROLE_STARTED;
crm_trace("Fixed next_role: unknown -> %s", role2text(rsc->next_role));
} else if (rsc->next_role == RSC_ROLE_UNKNOWN) {
rsc->next_role = RSC_ROLE_STOPPED;
crm_trace("Fixed next_role: unknown -> %s", role2text(rsc->next_role));
}
crm_trace("Processing state transition for %s: %s->%s", rsc->id,
role2text(rsc->role), role2text(rsc->next_role));
if(rsc->running_on) {
current = rsc->running_on->data;
}
get_rsc_attributes(rsc->parameters, rsc, chosen, data_set);
for (gIter = rsc->dangling_migrations; gIter != NULL; gIter = gIter->next) {
node_t *current = (node_t *) gIter->data;
action_t *stop = stop_action(rsc, current, FALSE);
set_bit(stop->flags, pe_action_dangle);
crm_trace("Forcing a cleanup of %s on %s", rsc->id, current->details->uname);
if (is_set(data_set->flags, pe_flag_remove_after_stop)) {
DeleteRsc(rsc, current, FALSE, data_set);
}
}
if (num_active_nodes > 1) {
if (num_active_nodes == 2
&& chosen
&& rsc->partial_migration_target
&& (chosen->details == rsc->partial_migration_target->details)) {
/* Here the chosen node is still the migration target from a partial
* migration. Attempt to continue the migration instead of recovering
* by stopping the resource everywhere and starting it on a single node. */
crm_trace("Will attempt to continue with a partial migration to target %s from %s",
rsc->partial_migration_target->details->id,
rsc->partial_migration_source->details->id);
} else {
const char *type = crm_element_value(rsc->xml, XML_ATTR_TYPE);
const char *class = crm_element_value(rsc->xml, XML_AGENT_ATTR_CLASS);
pe_proc_err("Resource %s (%s::%s) is active on %d nodes %s",
rsc->id, class, type, num_active_nodes,
recovery2text(rsc->recovery_type));
crm_warn("See %s for more information.",
"http://clusterlabs.org/wiki/FAQ#Resource_is_Too_Active");
if (rsc->recovery_type == recovery_stop_start) {
need_stop = TRUE;
}
/* If by chance a partial migration is in process,
* but the migration target is not chosen still, clear all
* partial migration data. */
rsc->partial_migration_source = rsc->partial_migration_target = NULL;
}
}
if (is_set(rsc->flags, pe_rsc_start_pending)) {
start = start_action(rsc, chosen, TRUE);
set_bit(start->flags, pe_action_print_always);
}
if(current && chosen && current->details != chosen->details) {
crm_trace("Moving %s", rsc->id);
need_stop = TRUE;
} else if(is_set(rsc->flags, pe_rsc_failed)) {
crm_trace("Recovering %s", rsc->id);
need_stop = TRUE;
} else if(rsc->role > RSC_ROLE_STARTED && current != NULL && chosen != NULL) {
/* Recovery of a promoted resource */
start = start_action(rsc, chosen, TRUE);
if(is_set(start->flags, pe_action_optional) == FALSE) {
crm_trace("Forced start %s", rsc->id);
need_stop = TRUE;
}
}
crm_trace("Creating actions for %s: %s->%s", rsc->id,
role2text(rsc->role), role2text(rsc->next_role));
role = rsc->role;
/* Potentiall optional steps on brining the resource down and back up to the same level */
while (role != RSC_ROLE_STOPPED) {
next_role = rsc_state_matrix[role][RSC_ROLE_STOPPED];
crm_trace("Down: Executing: %s->%s (%s)%s", role2text(role), role2text(next_role), rsc->id, need_stop?" required":"");
if (rsc_action_matrix[role][next_role] (rsc, current, !need_stop, data_set) == FALSE) {
break;
}
role = next_role;
}
while (rsc->role <= rsc->next_role && role != rsc->role) {
next_role = rsc_state_matrix[role][rsc->role];
crm_trace("Up: Executing: %s->%s (%s)%s", role2text(role), role2text(next_role), rsc->id, need_stop?" required":"");
if (rsc_action_matrix[role][next_role] (rsc, chosen, !need_stop, data_set) == FALSE) {
break;
}
role = next_role;
}
role = rsc->role;
/* Required steps from this role to the next */
while (role != rsc->next_role) {
next_role = rsc_state_matrix[role][rsc->next_role];
crm_trace("Role: Executing: %s->%s (%s)", role2text(role), role2text(next_role), rsc->id);
if (rsc_action_matrix[role][next_role] (rsc, chosen, FALSE, data_set) == FALSE) {
break;
}
role = next_role;
}
if (rsc->next_role != RSC_ROLE_STOPPED || is_set(rsc->flags, pe_rsc_managed) == FALSE) {
start = start_action(rsc, chosen, TRUE);
Recurring(rsc, start, chosen, data_set);
Recurring_Stopped(rsc, start, chosen, data_set);
} else {
Recurring_Stopped(rsc, NULL, NULL, data_set);
}
}
void
native_internal_constraints(resource_t * rsc, pe_working_set_t * data_set)
{
/* This function is on the critical path and worth optimizing as much as possible */
resource_t *top = uber_parent(rsc);
int type = pe_order_optional | pe_order_implies_then | pe_order_restart;
const char *class = crm_element_value(rsc->xml, XML_AGENT_ATTR_CLASS);
custom_action_order(rsc, generate_op_key(rsc->id, RSC_STOP, 0), NULL,
rsc, generate_op_key(rsc->id, RSC_START, 0), NULL, type, data_set);
if (top->variant == pe_master) {
custom_action_order(rsc, generate_op_key(rsc->id, RSC_DEMOTE, 0), NULL,
rsc, generate_op_key(rsc->id, RSC_STOP, 0), NULL,
pe_order_implies_first_master, data_set);
custom_action_order(rsc, generate_op_key(rsc->id, RSC_START, 0), NULL,
rsc, generate_op_key(rsc->id, RSC_PROMOTE, 0), NULL,
pe_order_runnable_left, data_set);
}
if (is_not_set(rsc->flags, pe_rsc_managed)) {
crm_trace("Skipping fencing constraints for unmanaged resource: %s", rsc->id);
return;
}
if (safe_str_neq(class, "stonith")) {
action_t *all_stopped = get_pseudo_op(ALL_STOPPED, data_set);
custom_action_order(rsc, stop_key(rsc), NULL,
NULL, strdup(all_stopped->task), all_stopped,
pe_order_implies_then | pe_order_runnable_left, data_set);
}
if (g_hash_table_size(rsc->utilization) > 0
&& safe_str_neq(data_set->placement_strategy, "default")) {
GHashTableIter iter;
node_t *next = NULL;
GListPtr gIter = NULL;
crm_trace("Creating utilization constraints for %s - strategy: %s",
rsc->id, data_set->placement_strategy);
for (gIter = rsc->running_on; gIter != NULL; gIter = gIter->next) {
node_t *current = (node_t *) gIter->data;
char *load_stopped_task = crm_concat(LOAD_STOPPED, current->details->uname, '_');
action_t *load_stopped = get_pseudo_op(load_stopped_task, data_set);
if (load_stopped->node == NULL) {
load_stopped->node = node_copy(current);
update_action_flags(load_stopped, pe_action_optional | pe_action_clear);
}
custom_action_order(rsc, stop_key(rsc), NULL,
NULL, load_stopped_task, load_stopped, pe_order_load, data_set);
}
g_hash_table_iter_init(&iter, rsc->allowed_nodes);
while (g_hash_table_iter_next(&iter, NULL, (void **)&next)) {
char *load_stopped_task = crm_concat(LOAD_STOPPED, next->details->uname, '_');
action_t *load_stopped = get_pseudo_op(load_stopped_task, data_set);
if (load_stopped->node == NULL) {
load_stopped->node = node_copy(next);
update_action_flags(load_stopped, pe_action_optional | pe_action_clear);
}
custom_action_order(NULL, strdup(load_stopped_task), load_stopped,
rsc, start_key(rsc), NULL, pe_order_load, data_set);
custom_action_order(NULL, strdup(load_stopped_task), load_stopped,
rsc, generate_op_key(rsc->id, RSC_MIGRATE, 0), NULL,
pe_order_load, data_set);
free(load_stopped_task);
}
}
}
void
native_rsc_colocation_lh(resource_t * rsc_lh, resource_t * rsc_rh, rsc_colocation_t * constraint)
{
if (rsc_lh == NULL) {
pe_err("rsc_lh was NULL for %s", constraint->id);
return;
} else if (constraint->rsc_rh == NULL) {
pe_err("rsc_rh was NULL for %s", constraint->id);
return;
}
crm_trace("Processing colocation constraint between %s and %s", rsc_lh->id, rsc_rh->id);
rsc_rh->cmds->rsc_colocation_rh(rsc_lh, rsc_rh, constraint);
}
static gboolean
filter_colocation_constraint(resource_t * rsc_lh, resource_t * rsc_rh,
rsc_colocation_t * constraint)
{
if (constraint->score == 0) {
return FALSE;
}
if (constraint->score > 0
&& constraint->role_lh != RSC_ROLE_UNKNOWN && constraint->role_lh != rsc_lh->next_role) {
crm_trace( "LH: Skipping constraint: \"%s\" state filter",
role2text(constraint->role_rh));
return FALSE;
}
if (constraint->score > 0
&& constraint->role_rh != RSC_ROLE_UNKNOWN && constraint->role_rh != rsc_rh->next_role) {
crm_trace( "RH: Skipping constraint: \"%s\" state filter",
role2text(constraint->role_rh));
return FALSE;
}
if (constraint->score < 0
&& constraint->role_lh != RSC_ROLE_UNKNOWN && constraint->role_lh == rsc_lh->next_role) {
crm_trace( "LH: Skipping -ve constraint: \"%s\" state filter",
role2text(constraint->role_rh));
return FALSE;
}
if (constraint->score < 0
&& constraint->role_rh != RSC_ROLE_UNKNOWN && constraint->role_rh == rsc_rh->next_role) {
crm_trace( "RH: Skipping -ve constraint: \"%s\" state filter",
role2text(constraint->role_rh));
return FALSE;
}
return TRUE;
}
static void
colocation_match(resource_t * rsc_lh, resource_t * rsc_rh, rsc_colocation_t * constraint)
{
const char *tmp = NULL;
const char *value = NULL;
const char *attribute = "#id";
GHashTable *work = NULL;
gboolean do_check = FALSE;
GHashTableIter iter;
node_t *node = NULL;
if (constraint->node_attribute != NULL) {
attribute = constraint->node_attribute;
}
if (rsc_rh->allocated_to) {
value = g_hash_table_lookup(rsc_rh->allocated_to->details->attrs, attribute);
do_check = TRUE;
} else if (constraint->score < 0) {
/* nothing to do:
* anti-colocation with something thats not running
*/
return;
}
work = node_hash_dup(rsc_lh->allowed_nodes);
g_hash_table_iter_init(&iter, work);
while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) {
tmp = g_hash_table_lookup(node->details->attrs, attribute);
if (do_check && safe_str_eq(tmp, value)) {
if (constraint->score < INFINITY) {
crm_trace("%s: %s.%s += %d", constraint->id, rsc_lh->id,
node->details->uname, constraint->score);
node->weight = merge_weights(constraint->score, node->weight);
}
} else if (do_check == FALSE || constraint->score >= INFINITY) {
crm_trace("%s: %s.%s -= %d (%s)", constraint->id, rsc_lh->id,
node->details->uname, constraint->score,
do_check ? "failed" : "unallocated");
node->weight = merge_weights(-constraint->score, node->weight);
}
}
if (can_run_any(work)
|| constraint->score <= -INFINITY || constraint->score >= INFINITY) {
g_hash_table_destroy(rsc_lh->allowed_nodes);
rsc_lh->allowed_nodes = work;
work = NULL;
} else {
char *score = score2char(constraint->score);
crm_info("%s: Rolling back scores from %s (%d, %s)",
rsc_lh->id, rsc_rh->id, do_check, score);
free(score);
}
if (work) {
g_hash_table_destroy(work);
}
}
void
native_rsc_colocation_rh(resource_t * rsc_lh, resource_t * rsc_rh, rsc_colocation_t * constraint)
{
crm_trace("%sColocating %s with %s (%s, weight=%d)",
constraint->score >= 0 ? "" : "Anti-",
rsc_lh->id, rsc_rh->id, constraint->id, constraint->score);
if (filter_colocation_constraint(rsc_lh, rsc_rh, constraint) == FALSE) {
return;
}
if (is_set(rsc_rh->flags, pe_rsc_provisional)) {
return;
} else if (is_not_set(rsc_lh->flags, pe_rsc_provisional)) {
/* error check */
struct node_shared_s *details_lh;
struct node_shared_s *details_rh;
if ((constraint->score > -INFINITY) && (constraint->score < INFINITY)) {
return;
}
details_rh = rsc_rh->allocated_to ? rsc_rh->allocated_to->details : NULL;
details_lh = rsc_lh->allocated_to ? rsc_lh->allocated_to->details : NULL;
if (constraint->score == INFINITY && details_lh != details_rh) {
crm_err("%s and %s are both allocated"
" but to different nodes: %s vs. %s",
rsc_lh->id, rsc_rh->id,
details_lh ? details_lh->uname : "n/a", details_rh ? details_rh->uname : "n/a");
} else if (constraint->score == -INFINITY && details_lh == details_rh) {
crm_err("%s and %s are both allocated"
" but to the SAME node: %s",
rsc_lh->id, rsc_rh->id, details_rh ? details_rh->uname : "n/a");
}
return;
} else {
colocation_match(rsc_lh, rsc_rh, constraint);
}
}
static gboolean
filter_rsc_ticket(resource_t * rsc_lh, rsc_ticket_t * rsc_ticket)
{
if (rsc_ticket->role_lh != RSC_ROLE_UNKNOWN && rsc_ticket->role_lh != rsc_lh->role) {
crm_trace( "LH: Skipping constraint: \"%s\" state filter",
role2text(rsc_ticket->role_lh));
return FALSE;
}
return TRUE;
}
void
rsc_ticket_constraint(resource_t * rsc_lh, rsc_ticket_t * rsc_ticket, pe_working_set_t * data_set)
{
if (rsc_ticket == NULL) {
pe_err("rsc_ticket was NULL");
return;
}
if (rsc_lh == NULL) {
pe_err("rsc_lh was NULL for %s", rsc_ticket->id);
return;
}
if (rsc_ticket->ticket->granted && rsc_ticket->ticket->standby == FALSE) {
return;
}
if (rsc_lh->children) {
GListPtr gIter = rsc_lh->children;
crm_trace("Processing ticket dependencies from %s", rsc_lh->id);
for (; gIter != NULL; gIter = gIter->next) {
resource_t *child_rsc = (resource_t *) gIter->data;
rsc_ticket_constraint(child_rsc, rsc_ticket, data_set);
}
return;
}
crm_trace("%s: Processing ticket dependency on %s (%s, %s)",
rsc_lh->id, rsc_ticket->ticket->id, rsc_ticket->id, role2text(rsc_ticket->role_lh));
if (rsc_ticket->ticket->granted == FALSE && g_list_length(rsc_lh->running_on) > 0) {
GListPtr gIter = NULL;
switch (rsc_ticket->loss_policy) {
case loss_ticket_stop:
resource_location(rsc_lh, NULL, -INFINITY, "__loss_of_ticket__", data_set);
break;
case loss_ticket_demote:
/*Promotion score will be set to -INFINITY in master_promotion_order() */
if (rsc_ticket->role_lh != RSC_ROLE_MASTER) {
resource_location(rsc_lh, NULL, -INFINITY, "__loss_of_ticket__", data_set);
}
break;
case loss_ticket_fence:
if (filter_rsc_ticket(rsc_lh, rsc_ticket) == FALSE) {
return;
}
resource_location(rsc_lh, NULL, -INFINITY, "__loss_of_ticket__", data_set);
for (gIter = rsc_lh->running_on; gIter != NULL; gIter = gIter->next) {
node_t *node = (node_t *) gIter->data;
crm_warn("Node %s will be fenced for deadman", node->details->uname);
node->details->unclean = TRUE;
}
break;
case loss_ticket_freeze:
if (filter_rsc_ticket(rsc_lh, rsc_ticket) == FALSE) {
return;
}
if (g_list_length(rsc_lh->running_on) > 0) {
clear_bit(rsc_lh->flags, pe_rsc_managed);
set_bit(rsc_lh->flags, pe_rsc_block);
}
break;
}
} else if (rsc_ticket->ticket->granted == FALSE){
if (rsc_ticket->role_lh != RSC_ROLE_MASTER || rsc_ticket->loss_policy == loss_ticket_stop) {
resource_location(rsc_lh, NULL, -INFINITY, "__no_ticket__", data_set);
}
} else if (rsc_ticket->ticket->standby) {
if (rsc_ticket->role_lh != RSC_ROLE_MASTER || rsc_ticket->loss_policy == loss_ticket_stop) {
resource_location(rsc_lh, NULL, -INFINITY, "__ticket_standby__", data_set);
}
}
}
const char *convert_non_atomic_task(char *raw_task, resource_t * rsc, gboolean allow_notify);
const char *
convert_non_atomic_task(char *raw_task, resource_t * rsc, gboolean allow_notify)
{
int task = no_action;
const char *atomic_task = raw_task;
crm_trace("Processing %s for %s", crm_str(raw_task), rsc->id);
if (raw_task == NULL) {
return NULL;
} else if (strstr(raw_task, "notify") != NULL) {
goto done; /* no conversion */
} else if (rsc->variant < pe_group) {
goto done; /* no conversion */
}
task = text2task(raw_task);
switch (task) {
case stop_rsc:
case start_rsc:
case action_notify:
case action_promote:
case action_demote:
break;
case stopped_rsc:
case started_rsc:
case action_notified:
case action_promoted:
case action_demoted:
task--;
break;
case monitor_rsc:
case shutdown_crm:
case stonith_node:
goto done;
break;
default:
crm_trace("Unknown action: %s", raw_task);
goto done;
break;
}
if (task != no_action) {
if (is_set(rsc->flags, pe_rsc_notify) && allow_notify) {
/* atomic_task = generate_notify_key(rid, "confirmed-post", task2text(task+1)); */
crm_err("Not handled");
} else {
atomic_task = task2text(task + 1);
}
crm_trace("Converted %s -> %s", raw_task, atomic_task);
}
done:
return atomic_task;
}
enum pe_action_flags
native_action_flags(action_t * action, node_t * node)
{
return action->flags;
}
enum pe_graph_flags
native_update_actions(action_t * first, action_t * then, node_t * node, enum pe_action_flags flags,
enum pe_action_flags filter, enum pe_ordering type)
{
/* flags == get_action_flags(first, then_node) called from update_action() */
enum pe_graph_flags changed = pe_graph_none;
enum pe_action_flags then_flags = then->flags;
enum pe_action_flags first_flags = first->flags;
if (type & pe_order_asymmetrical) {
resource_t *then_rsc = then->rsc;
enum rsc_role_e then_rsc_role = then_rsc ? then_rsc->fns->state(then_rsc, TRUE) : 0;
if (!then_rsc) {
/* ignore */
} else if ((then_rsc_role == RSC_ROLE_STOPPED) && safe_str_eq(then->task, RSC_STOP)) {
/* ignore... if 'then' is supposed to be stopped after 'first', but
* then is already stopped, there is nothing to be done when non-symmetrical. */
} else if ((then_rsc_role == RSC_ROLE_STARTED) && safe_str_eq(then->task, RSC_START)) {
/* ignore... if 'then' is supposed to be started after 'first', but
* then is already started, there is nothing to be done when non-symmetrical. */
} else if (!(first->flags & pe_action_runnable)) {
/* prevent 'then' action from happening if 'first' is not runnable and
* 'then' has not yet occurred. */
pe_clear_action_bit(then, pe_action_runnable);
pe_clear_action_bit(then, pe_action_optional);
crm_trace("Unset optional and runnable on %s", then->uuid);
} else {
/* ignore... then is allowed to start/stop if it wants to. */
}
}
if (type & pe_order_implies_first) {
if ((filter & pe_action_optional) && (flags & pe_action_optional) == 0) {
crm_trace("Unset optional on %s because of %s", first->uuid, then->uuid);
pe_clear_action_bit(first, pe_action_optional);
}
}
if (type & pe_order_implies_first_master) {
if ((filter & pe_action_optional) &&
((then->flags & pe_action_optional) == FALSE) &&
then->rsc && (then->rsc->role == RSC_ROLE_MASTER)) {
clear_bit(first->flags, pe_action_optional);
}
}
if (is_set(type, pe_order_runnable_left)
&& is_set(filter, pe_action_runnable)
&& is_set(then->flags, pe_action_runnable)
&& is_set(flags, pe_action_runnable) == FALSE) {
crm_trace("Unset runnable on %s because of %s", then->uuid, first->uuid);
pe_clear_action_bit(then, pe_action_runnable);
}
if (is_set(type, pe_order_implies_then)
&& is_set(filter, pe_action_optional)
&& is_set(then->flags, pe_action_optional)
&& is_set(flags, pe_action_optional) == FALSE) {
crm_trace("Unset optional on %s because of %s", then->uuid, first->uuid);
pe_clear_action_bit(then, pe_action_optional);
}
if (is_set(type, pe_order_restart)) {
const char *reason = NULL;
CRM_ASSERT(first->rsc && first->rsc->variant == pe_native);
CRM_ASSERT(then->rsc && then->rsc->variant == pe_native);
if ((filter & pe_action_runnable) && (then->flags & pe_action_runnable) == 0) {
reason = "shutdown";
}
if ((filter & pe_action_optional) && (then->flags & pe_action_optional) == 0) {
reason = "recover";
}
if (reason && is_set(first->flags, pe_action_optional)
&& is_set(first->flags, pe_action_runnable)) {
crm_trace("Handling %s: %s -> %s", reason, first->uuid, then->uuid);
pe_clear_action_bit(first, pe_action_optional);
}
if (reason && is_not_set(first->flags, pe_action_optional)
&& is_not_set(first->flags, pe_action_runnable)) {
crm_trace("Handling %s: %s -> %s", reason, first->uuid, then->uuid);
pe_clear_action_bit(then, pe_action_runnable);
}
}
if (then_flags != then->flags) {
changed |= pe_graph_updated_then;
crm_trace("Then: Flags for %s on %s are now 0x%.6x (was 0x%.6x) because of %s 0x%.6x",
then->uuid, then->node ? then->node->details->uname : "[none]", then->flags,
then_flags, first->uuid, first->flags);
}
if (first_flags != first->flags) {
changed |= pe_graph_updated_first;
crm_trace("First: Flags for %s on %s are now 0x%.6x (was 0x%.6x) because of %s 0x%.6x",
first->uuid, first->node ? first->node->details->uname : "[none]", first->flags,
first_flags, then->uuid, then->flags);
}
return changed;
}
void
native_rsc_location(resource_t * rsc, rsc_to_node_t * constraint)
{
GListPtr gIter = NULL;
GHashTableIter iter;
node_t *node = NULL;
if (constraint == NULL) {
pe_err("Constraint is NULL");
return;
} else if (rsc == NULL) {
pe_err("LHS of rsc_to_node (%s) is NULL", constraint->id);
return;
}
crm_trace("Applying %s (%s) to %s", constraint->id,
role2text(constraint->role_filter), rsc->id);
/* take "lifetime" into account */
if (constraint->role_filter > 0 && constraint->role_filter != rsc->next_role) {
crm_debug("Constraint (%s) is not active (role : %s)",
constraint->id, role2text(constraint->role_filter));
return;
} else if (is_active(constraint) == FALSE) {
crm_trace("Constraint (%s) is not active", constraint->id);
return;
}
if (constraint->node_list_rh == NULL) {
crm_trace("RHS of constraint %s is NULL", constraint->id);
return;
}
for (gIter = constraint->node_list_rh; gIter != NULL; gIter = gIter->next) {
node_t *node = (node_t *) gIter->data;
node_t *other_node = NULL;
other_node = (node_t *) pe_hash_table_lookup(rsc->allowed_nodes, node->details->id);
if (other_node != NULL) {
crm_trace("%s + %s: %d + %d",
node->details->uname,
other_node->details->uname, node->weight, other_node->weight);
other_node->weight = merge_weights(other_node->weight, node->weight);
} else {
node_t *new_node = node_copy(node);
g_hash_table_insert(rsc->allowed_nodes, (gpointer) new_node->details->id, new_node);
}
}
g_hash_table_iter_init(&iter, rsc->allowed_nodes);
while (g_hash_table_iter_next(&iter, NULL, (void **)&node)) {
crm_trace("%s + %s : %d", rsc->id, node->details->uname, node->weight);
}
}
void
native_expand(resource_t * rsc, pe_working_set_t * data_set)
{
GListPtr gIter = NULL;
crm_trace("Processing actions from %s", rsc->id);
for (gIter = rsc->actions; gIter != NULL; gIter = gIter->next) {
action_t *action = (action_t *) gIter->data;
crm_trace("processing action %d for rsc=%s", action->id, rsc->id);
graph_element_from_action(action, data_set);
}
for (gIter = rsc->children; gIter != NULL; gIter = gIter->next) {
resource_t *child_rsc = (resource_t *) gIter->data;
child_rsc->cmds->expand(child_rsc, data_set);
}
}
void
#define log_change(fmt, args...) do { \
if(terminal) { \
printf(" * "fmt"\n", ##args); \
} else { \
crm_notice(fmt, ##args); \
} \
} while(0)
LogActions(resource_t * rsc, pe_working_set_t * data_set, gboolean terminal)
{
node_t *next = NULL;
node_t *current = NULL;
action_t *stop = NULL;
action_t *start = NULL;
char *key = NULL;
gboolean moving = FALSE;
GListPtr possible_matches = NULL;
if (rsc->children) {
GListPtr gIter = NULL;
for (gIter = rsc->children; gIter != NULL; gIter = gIter->next) {
resource_t *child_rsc = (resource_t *) gIter->data;
LogActions(child_rsc, data_set, terminal);
}
return;
}
next = rsc->allocated_to;
if (rsc->running_on) {
if (g_list_length(rsc->running_on) > 1 && rsc->partial_migration_source) {
current = rsc->partial_migration_source;
} else {
current = rsc->running_on->data;
}
if (rsc->role == RSC_ROLE_STOPPED) {
/*
* This can occur when resources are being recovered
* We fiddle with the current role in native_create_actions()
*/
rsc->role = RSC_ROLE_STARTED;
}
}
if (current == NULL && is_set(rsc->flags, pe_rsc_orphan)) {
/* Don't log stopped orphans */
return;
}
if (is_not_set(rsc->flags, pe_rsc_managed)
|| (current == NULL && next == NULL)) {
crm_info("Leave %s\t(%s%s)",
rsc->id, role2text(rsc->role), is_not_set(rsc->flags,
pe_rsc_managed) ? " unmanaged" : "");
return;
}
if (current != NULL && next != NULL && safe_str_neq(current->details->id, next->details->id)) {
moving = TRUE;
}
key = stop_key(rsc);
possible_matches = find_actions(rsc->actions, key, next);
free(key);
if (possible_matches) {
stop = possible_matches->data;
g_list_free(possible_matches);
}
key = start_key(rsc);
possible_matches = find_actions(rsc->actions, key, next);
free(key);
if (possible_matches) {
start = possible_matches->data;
g_list_free(possible_matches);
}
if (rsc->role == rsc->next_role) {
key = generate_op_key(rsc->id, RSC_MIGRATED, 0);
possible_matches = find_actions(rsc->actions, key, next);
free(key);
CRM_CHECK(next != NULL,);
if (next == NULL) {
} else if (possible_matches && current) {
log_change("Migrate %s\t(%s %s -> %s)",
rsc->id, role2text(rsc->role), current->details->uname,
next->details->uname);
g_list_free(possible_matches);
} else if(is_set(rsc->flags, pe_rsc_reload)) {
log_change("Reload %s\t(%s %s)", rsc->id, role2text(rsc->role), next->details->uname);
} else if (start == NULL || is_set(start->flags, pe_action_optional)) {
crm_info("Leave %s\t(%s %s)", rsc->id, role2text(rsc->role), next->details->uname);
} else if (moving && current) {
log_change("Move %s\t(%s %s -> %s)",
rsc->id, role2text(rsc->role), current->details->uname,
next->details->uname);
} else if (is_set(rsc->flags, pe_rsc_failed)) {
log_change("Recover %s\t(%s %s)", rsc->id, role2text(rsc->role), next->details->uname);
} else if (start && is_set(start->flags, pe_action_runnable) == FALSE) {
log_change("Stop %s\t(%s %s)", rsc->id, role2text(rsc->role), next->details->uname);
} else {
log_change("Restart %s\t(%s %s)", rsc->id, role2text(rsc->role), next->details->uname);
}
return;
}
if (rsc->role > RSC_ROLE_SLAVE && rsc->role > rsc->next_role) {
CRM_CHECK(current != NULL,);
if (current != NULL) {
log_change("Demote %s\t(%s -> %s %s)", rsc->id,
role2text(rsc->role), role2text(rsc->next_role), current->details->uname);
if (stop != NULL && is_not_set(stop->flags, pe_action_optional)
&& rsc->next_role > RSC_ROLE_STOPPED) {
if (is_set(rsc->flags, pe_rsc_failed)) {
log_change("Recover %s\t(%s %s)",
rsc->id, role2text(rsc->role), next->details->uname);
} else if(is_set(rsc->flags, pe_rsc_reload)) {
log_change("Reload %s\t(%s %s)", rsc->id, role2text(rsc->role), next->details->uname);
} else {
log_change("Restart %s\t(%s %s)",
rsc->id, role2text(rsc->role), next->details->uname);
}
}
}
} else if (rsc->next_role == RSC_ROLE_STOPPED) {
GListPtr gIter = NULL;
CRM_CHECK(current != NULL,);
for (gIter = rsc->running_on; gIter != NULL; gIter = gIter->next) {
node_t *node = (node_t *) gIter->data;
log_change("Stop %s\t(%s)", rsc->id, node->details->uname);
}
}
if (moving) {
log_change("Move %s\t(%s %s -> %s)",
rsc->id, role2text(rsc->next_role), current->details->uname,
next->details->uname);
}
if (rsc->role == RSC_ROLE_STOPPED) {
gboolean allowed = FALSE;
if(start && (start->flags & pe_action_runnable)) {
allowed = TRUE;
}
CRM_CHECK(next != NULL,);
if (next != NULL) {
log_change("Start %s\t(%s%s)", rsc->id, next->details->uname, allowed?"":" - blocked");
}
if(allowed == FALSE) {
return;
}
}
if (rsc->next_role > RSC_ROLE_SLAVE && rsc->role < rsc->next_role) {
CRM_CHECK(next != NULL,);
if (stop != NULL && is_not_set(stop->flags, pe_action_optional)
&& rsc->role > RSC_ROLE_STOPPED) {
if (is_set(rsc->flags, pe_rsc_failed)) {
log_change("Recover %s\t(%s %s)",
rsc->id, role2text(rsc->role), next->details->uname);
} else if(is_set(rsc->flags, pe_rsc_reload)) {
log_change("Reload %s\t(%s %s)", rsc->id, role2text(rsc->role), next->details->uname);
} else {
log_change("Restart %s\t(%s %s)",
rsc->id, role2text(rsc->role), next->details->uname);
}
}
log_change("Promote %s\t(%s -> %s %s)", rsc->id,
role2text(rsc->role), role2text(rsc->next_role), next->details->uname);
}
}
gboolean
StopRsc(resource_t * rsc, node_t * next, gboolean optional, pe_working_set_t * data_set)
{
GListPtr gIter = NULL;
const char *class = crm_element_value(rsc->xml, XML_AGENT_ATTR_CLASS);
crm_trace("%s", rsc->id);
if (rsc->next_role == RSC_ROLE_STOPPED
&& rsc->variant == pe_native && safe_str_eq(class, "stonith")) {
action_t *all_stopped = get_pseudo_op(ALL_STOPPED, data_set);
custom_action_order(NULL, strdup(all_stopped->task), all_stopped,
rsc, stop_key(rsc), NULL,
pe_order_optional | pe_order_stonith_stop, data_set);
}
for (gIter = rsc->running_on; gIter != NULL; gIter = gIter->next) {
node_t *current = (node_t *) gIter->data;
action_t *stop;
if (rsc->partial_migration_target) {
if(rsc->partial_migration_target->details == current->details) {
crm_trace("Filtered %s -> %s %s", current->details->uname, next->details->uname, rsc->id);
continue;
} else {
crm_trace("Forced on %s %s", current->details->uname, rsc->id);
optional = FALSE;
}
}
crm_trace("%s on %s", rsc->id, current->details->uname);
stop = stop_action(rsc, current, optional);
if(is_not_set(rsc->flags, pe_rsc_managed)) {
update_action_flags(stop, pe_action_runnable|pe_action_clear);
}
if (is_set(data_set->flags, pe_flag_remove_after_stop)) {
DeleteRsc(rsc, current, optional, data_set);
}
}
return TRUE;
}
gboolean
StartRsc(resource_t * rsc, node_t * next, gboolean optional, pe_working_set_t * data_set)
{
action_t *start = NULL;
crm_trace("%s on %s %d", rsc->id, next?next->details->uname:"N/A", optional);
start = start_action(rsc, next, TRUE);
if (is_set(start->flags, pe_action_runnable) && optional == FALSE) {
update_action_flags(start, pe_action_optional | pe_action_clear);
}
return TRUE;
}
gboolean
PromoteRsc(resource_t * rsc, node_t * next, gboolean optional, pe_working_set_t * data_set)
{
char *key = NULL;
GListPtr gIter = NULL;
gboolean runnable = TRUE;
GListPtr action_list = NULL;
crm_trace("%s on %s", rsc->id, next?next->details->uname:"N/A");
CRM_CHECK(next != NULL, return FALSE);
key = start_key(rsc);
action_list = find_actions_exact(rsc->actions, key, next);
free(key);
for (gIter = action_list; gIter != NULL; gIter = gIter->next) {
action_t *start = (action_t *) gIter->data;
if (is_set(start->flags, pe_action_runnable) == FALSE) {
runnable = FALSE;
}
}
g_list_free(action_list);
if (runnable) {
promote_action(rsc, next, optional);
return TRUE;
}
crm_debug("%s\tPromote %s (canceled)", next->details->uname, rsc->id);
key = promote_key(rsc);
action_list = find_actions_exact(rsc->actions, key, next);
free(key);
for (gIter = action_list; gIter != NULL; gIter = gIter->next) {
action_t *promote = (action_t *) gIter->data;
update_action_flags(promote, pe_action_runnable | pe_action_clear);
}
g_list_free(action_list);
return TRUE;
}
gboolean
DemoteRsc(resource_t * rsc, node_t * next, gboolean optional, pe_working_set_t * data_set)
{
GListPtr gIter = NULL;
crm_trace("%s", rsc->id);
/* CRM_CHECK(rsc->next_role == RSC_ROLE_SLAVE, return FALSE); */
for (gIter = rsc->running_on; gIter != NULL; gIter = gIter->next) {
node_t *current = (node_t *) gIter->data;
crm_trace("%s on %s", rsc->id, next?next->details->uname:"N/A");
demote_action(rsc, current, optional);
}
return TRUE;
}
gboolean
RoleError(resource_t * rsc, node_t * next, gboolean optional, pe_working_set_t * data_set)
{
crm_err("%s on %s", rsc->id, next?next->details->uname:"N/A");
CRM_CHECK(FALSE, return FALSE);
return FALSE;
}
gboolean
NullOp(resource_t * rsc, node_t * next, gboolean optional, pe_working_set_t * data_set)
{
crm_trace("%s", rsc->id);
return FALSE;
}
gboolean
DeleteRsc(resource_t * rsc, node_t * node, gboolean optional, pe_working_set_t * data_set)
{
action_t *delete = NULL;
#if DELETE_THEN_REFRESH
action_t *refresh = NULL;
#endif
if (is_set(rsc->flags, pe_rsc_failed)) {
crm_trace("Resource %s not deleted from %s: failed", rsc->id, node->details->uname);
return FALSE;
} else if (node == NULL) {
crm_trace("Resource %s not deleted: NULL node", rsc->id);
return FALSE;
} else if (node->details->unclean || node->details->online == FALSE) {
crm_trace("Resource %s not deleted from %s: unrunnable", rsc->id, node->details->uname);
return FALSE;
}
crm_notice("Removing %s from %s", rsc->id, node->details->uname);
delete = delete_action(rsc, node, optional);
new_rsc_order(rsc, RSC_STOP, rsc, RSC_DELETE,
optional ? pe_order_implies_then : pe_order_optional, data_set);
new_rsc_order(rsc, RSC_DELETE, rsc, RSC_START,
optional ? pe_order_implies_then : pe_order_optional, data_set);
#if DELETE_THEN_REFRESH
refresh = custom_action(NULL, strdup(CRM_OP_LRM_REFRESH), CRM_OP_LRM_REFRESH,
node, FALSE, TRUE, data_set);
add_hash_param(refresh->meta, XML_ATTR_TE_NOWAIT, XML_BOOLEAN_TRUE);
order_actions(delete, refresh, pe_order_optional);
#endif
return TRUE;
}
#include <../lib/pengine/unpack.h>
+#define set_char(x) last_rsc_id[lpc] = x; complete = TRUE;
+static char *
+increment_clone(char *last_rsc_id)
+{
+ int lpc = 0;
+ int len = 0;
+ char *tmp = NULL;
+ gboolean complete = FALSE;
+
+ CRM_CHECK(last_rsc_id != NULL, return NULL);
+ if (last_rsc_id != NULL) {
+ len = strlen(last_rsc_id);
+ }
+
+ lpc = len - 1;
+ while (complete == FALSE && lpc > 0) {
+ switch (last_rsc_id[lpc]) {
+ case 0:
+ lpc--;
+ break;
+ case '0':
+ set_char('1');
+ break;
+ case '1':
+ set_char('2');
+ break;
+ case '2':
+ set_char('3');
+ break;
+ case '3':
+ set_char('4');
+ break;
+ case '4':
+ set_char('5');
+ break;
+ case '5':
+ set_char('6');
+ break;
+ case '6':
+ set_char('7');
+ break;
+ case '7':
+ set_char('8');
+ break;
+ case '8':
+ set_char('9');
+ break;
+ case '9':
+ last_rsc_id[lpc] = '0';
+ lpc--;
+ break;
+ case ':':
+ tmp = last_rsc_id;
+ last_rsc_id = calloc(1, len + 2);
+ memcpy(last_rsc_id, tmp, len);
+ last_rsc_id[++lpc] = '1';
+ last_rsc_id[len] = '0';
+ last_rsc_id[len + 1] = 0;
+ complete = TRUE;
+ free(tmp);
+ break;
+ default:
+ crm_err("Unexpected char: %c (%d)", last_rsc_id[lpc], lpc);
+ return NULL;
+ break;
+ }
+ }
+ return last_rsc_id;
+}
static node_t *
probe_grouped_clone(resource_t * rsc, node_t * node, pe_working_set_t * data_set)
{
node_t *running = NULL;
resource_t *top = uber_parent(rsc);
if (running == NULL && is_set(top->flags, pe_rsc_unique) == FALSE) {
/* Annoyingly we also need to check any other clone instances
* Clumsy, but it will work.
*
* An alternative would be to update known_on for every peer
* during process_rsc_state()
*
* This code desperately needs optimization
* ptest -x with 100 nodes, 100 clones and clone-max=10:
* No probes O(25s)
* Detection without clone loop O(3m)
* Detection with clone loop O(8m)
ptest[32211]: 2010/02/18_14:27:55 CRIT: stage5: Probing for unknown resources
ptest[32211]: 2010/02/18_14:33:39 CRIT: stage5: Done
ptest[32211]: 2010/02/18_14:35:05 CRIT: stage7: Updating action states
ptest[32211]: 2010/02/18_14:35:05 CRIT: stage7: Done
*/
char *clone_id = clone_zero(rsc->id);
resource_t *peer = pe_find_resource(top->children, clone_id);
while (peer && running == NULL) {
running = pe_hash_table_lookup(peer->known_on, node->details->id);
if (running != NULL) {
/* we already know the status of the resource on this node */
crm_trace("Skipping active clone: %s", rsc->id);
free(clone_id);
return running;
}
clone_id = increment_clone(clone_id);
peer = pe_find_resource(data_set->resources, clone_id);
}
free(clone_id);
}
return running;
}
gboolean
native_create_probe(resource_t * rsc, node_t * node, action_t * complete,
gboolean force, pe_working_set_t * data_set)
{
char *key = NULL;
action_t *probe = NULL;
node_t *running = NULL;
resource_t *top = uber_parent(rsc);
static const char *rc_master = NULL;
static const char *rc_inactive = NULL;
if (rc_inactive == NULL) {
rc_inactive = crm_itoa(PCMK_EXECRA_NOT_RUNNING);
rc_master = crm_itoa(PCMK_EXECRA_RUNNING_MASTER);
}
CRM_CHECK(node != NULL, return FALSE);
if (force == FALSE && is_not_set(data_set->flags, pe_flag_startup_probes)) {
crm_trace("Skipping active resource detection for %s", rsc->id);
return FALSE;
}
if (rsc->children) {
GListPtr gIter = NULL;
gboolean any_created = FALSE;
for (gIter = rsc->children; gIter != NULL; gIter = gIter->next) {
resource_t *child_rsc = (resource_t *) gIter->data;
any_created = child_rsc->cmds->create_probe(child_rsc, node, complete, force, data_set)
|| any_created;
}
return any_created;
}
if (is_set(rsc->flags, pe_rsc_orphan)) {
crm_trace("Skipping orphan: %s", rsc->id);
return FALSE;
}
running = g_hash_table_lookup(rsc->known_on, node->details->id);
if (running == NULL && is_set(rsc->flags, pe_rsc_unique) == FALSE) {
/* Anonymous clones */
if (rsc->parent == top) {
running = g_hash_table_lookup(rsc->parent->known_on, node->details->id);
} else {
/* Grouped anonymous clones need extra special handling */
running = probe_grouped_clone(rsc, node, data_set);
}
}
if (force == FALSE && running != NULL) {
/* we already know the status of the resource on this node */
crm_trace("Skipping active: %s", rsc->id);
return FALSE;
}
key = generate_op_key(rsc->id, RSC_STATUS, 0);
probe = custom_action(rsc, key, RSC_STATUS, node, FALSE, TRUE, data_set);
update_action_flags(probe, pe_action_optional | pe_action_clear);
/*
* We need to know if it's running_on (not just known_on) this node
* to correctly determine the target rc.
*/
running = pe_find_node_id(rsc->running_on, node->details->id);
if (running == NULL) {
add_hash_param(probe->meta, XML_ATTR_TE_TARGET_RC, rc_inactive);
} else if (rsc->role == RSC_ROLE_MASTER) {
add_hash_param(probe->meta, XML_ATTR_TE_TARGET_RC, rc_master);
}
crm_debug("Probing %s on %s (%s)", rsc->id, node->details->uname, role2text(rsc->role));
order_actions(probe, complete, pe_order_implies_then);
return TRUE;
}
static void
native_start_constraints(resource_t * rsc, action_t * stonith_op, gboolean is_stonith,
pe_working_set_t * data_set)
{
node_t *target = stonith_op ? stonith_op->node : NULL;
if (is_stonith) {
char *key = start_key(rsc);
action_t *ready = get_pseudo_op(STONITH_UP, data_set);
crm_trace("Ordering %s action before stonith events", key);
custom_action_order(rsc, key, NULL,
NULL, strdup(ready->task), ready,
pe_order_optional | pe_order_implies_then, data_set);
} else {
GListPtr gIter = NULL;
action_t *all_stopped = get_pseudo_op(ALL_STOPPED, data_set);
action_t *stonith_done = get_pseudo_op(STONITH_DONE, data_set);
for (gIter = rsc->actions; gIter != NULL; gIter = gIter->next) {
action_t *action = (action_t *) gIter->data;
if (action->needs == rsc_req_stonith) {
order_actions(stonith_done, action, pe_order_optional);
} else if (target != NULL && safe_str_eq(action->task, RSC_START)
&& NULL == pe_hash_table_lookup(rsc->known_on, target->details->id)) {
/* if known == NULL, then we dont know if
* the resource is active on the node
* we're about to shoot
*
* in this case, regardless of action->needs,
* the only safe option is to wait until
* the node is shot before doing anything
* to with the resource
*
* its analogous to waiting for all the probes
* for rscX to complete before starting rscX
*
* the most likely explaination is that the
* DC died and took its status with it
*/
crm_debug("Ordering %s after %s recovery", action->uuid, target->details->uname);
order_actions(all_stopped, action, pe_order_optional | pe_order_runnable_left);
}
}
}
}
static void
native_stop_constraints(resource_t * rsc, action_t * stonith_op, gboolean is_stonith,
pe_working_set_t * data_set)
{
char *key = NULL;
GListPtr gIter = NULL;
GListPtr action_list = NULL;
resource_t *top = uber_parent(rsc);
key = stop_key(rsc);
action_list = find_actions(rsc->actions, key, stonith_op->node);
free(key);
/* add the stonith OP as a stop pre-req and the mark the stop
* as a pseudo op - since its now redundant
*/
for (gIter = action_list; gIter != NULL; gIter = gIter->next) {
action_t *action = (action_t *) gIter->data;
if (action->node->details->online
&& action->node->details->unclean == FALSE && is_set(rsc->flags, pe_rsc_failed)) {
continue;
}
if (is_set(rsc->flags, pe_rsc_failed)) {
crm_notice("Stop of failed resource %s is"
" implicit after %s is fenced", rsc->id, action->node->details->uname);
} else {
crm_info("%s is implicit after %s is fenced",
action->uuid, action->node->details->uname);
}
/* the stop would never complete and is
* now implied by the stonith operation
*/
update_action_flags(action, pe_action_pseudo);
update_action_flags(action, pe_action_runnable);
update_action_flags(action, pe_action_implied_by_stonith);
if (is_stonith == FALSE) {
action_t *parent_stop = find_first_action(top->actions, NULL, RSC_STOP, NULL);
order_actions(stonith_op, action, pe_order_optional);
order_actions(stonith_op, parent_stop, pe_order_optional);
}
if (is_set(rsc->flags, pe_rsc_notify)) {
/* Create a second notification that will be delivered
* immediately after the node is fenced
*
* Basic problem:
* - C is a clone active on the node to be shot and stopping on another
* - R is a resource that depends on C
*
* + C.stop depends on R.stop
* + C.stopped depends on STONITH
* + C.notify depends on C.stopped
* + C.healthy depends on C.notify
* + R.stop depends on C.healthy
*
* The extra notification here changes
* + C.healthy depends on C.notify
* into:
* + C.healthy depends on C.notify'
* + C.notify' depends on STONITH'
* thus breaking the loop
*/
notify_data_t *n_data =
create_notification_boundaries(rsc, RSC_STOP, NULL, stonith_op, data_set);
crm_info("Creating secondary notification for %s", action->uuid);
collect_notification_data(rsc, TRUE, FALSE, n_data);
g_hash_table_insert(n_data->keys, strdup("notify_stop_resource"),
strdup(rsc->id));
g_hash_table_insert(n_data->keys, strdup("notify_stop_uname"),
strdup(action->node->details->uname));
create_notifications(uber_parent(rsc), n_data, data_set);
free_notification_data(n_data);
}
/* From Bug #1601, successful fencing must be an input to a failed resources stop action.
However given group(rA, rB) running on nodeX and B.stop has failed,
A := stop healthy resource (rA.stop)
B := stop failed resource (pseudo operation B.stop)
C := stonith nodeX
A requires B, B requires C, C requires A
This loop would prevent the cluster from making progress.
This block creates the "C requires A" dependency and therefore must (at least
for now) be disabled.
Instead, run the block above and treat all resources on nodeX as B would be
(marked as a pseudo op depending on the STONITH).
TODO: Break the "A requires B" dependency in update_action() and re-enable this block
} else if(is_stonith == FALSE) {
crm_info("Moving healthy resource %s"
" off %s before fencing",
rsc->id, node->details->uname);
* stop healthy resources before the
* stonith op
*
custom_action_order(
rsc, stop_key(rsc), NULL,
NULL,strdup(CRM_OP_FENCE),stonith_op,
pe_order_optional, data_set);
*/
}
g_list_free(action_list);
key = demote_key(rsc);
action_list = find_actions(rsc->actions, key, stonith_op->node);
free(key);
for (gIter = action_list; gIter != NULL; gIter = gIter->next) {
action_t *action = (action_t *) gIter->data;
if (action->node->details->online == FALSE || action->node->details->unclean == TRUE
|| is_set(rsc->flags, pe_rsc_failed)) {
if (is_set(rsc->flags, pe_rsc_failed)) {
crm_info("Demote of failed resource %s is"
" implict after %s is fenced", rsc->id, action->node->details->uname);
} else {
crm_info("%s is implicit after %s is fenced",
action->uuid, action->node->details->uname);
}
/* the stop would never complete and is
* now implied by the stonith operation
*/
crm_trace("here - 1");
update_action_flags(action, pe_action_pseudo);
update_action_flags(action, pe_action_runnable);
if (is_stonith == FALSE) {
order_actions(stonith_op, action, pe_order_optional);
}
}
}
g_list_free(action_list);
}
void
rsc_stonith_ordering(resource_t * rsc, action_t * stonith_op, pe_working_set_t * data_set)
{
gboolean is_stonith = FALSE;
const char *class = crm_element_value(rsc->xml, XML_AGENT_ATTR_CLASS);
if (rsc->children) {
GListPtr gIter = NULL;
for (gIter = rsc->children; gIter != NULL; gIter = gIter->next) {
resource_t *child_rsc = (resource_t *) gIter->data;
rsc_stonith_ordering(child_rsc, stonith_op, data_set);
}
return;
}
if (is_not_set(rsc->flags, pe_rsc_managed)) {
crm_trace("Skipping fencing constraints for unmanaged resource: %s", rsc->id);
return;
}
if (stonith_op != NULL && safe_str_eq(class, "stonith")) {
is_stonith = TRUE;
}
/* Start constraints */
native_start_constraints(rsc, stonith_op, is_stonith, data_set);
/* Stop constraints */
native_stop_constraints(rsc, stonith_op, is_stonith, data_set);
}
enum stack_activity {
stack_stable = 0,
stack_starting = 1,
stack_stopping = 2,
stack_middle = 4,
};
static enum stack_activity
find_clone_activity_on(resource_t * rsc, resource_t * target, node_t * node, const char *type)
{
int mode = stack_stable;
action_t *active = NULL;
if (target->children) {
GListPtr gIter = NULL;
for (gIter = target->children; gIter != NULL; gIter = gIter->next) {
resource_t *child = (resource_t *) gIter->data;
mode |= find_clone_activity_on(rsc, child, node, type);
}
return mode;
}
active = find_first_action(target->actions, NULL, RSC_START, NULL);
if (active && is_set(active->flags, pe_action_optional) == FALSE
&& is_set(active->flags, pe_action_pseudo) == FALSE) {
crm_debug("%s: found scheduled %s action (%s)", rsc->id, active->uuid, type);
mode |= stack_starting;
}
active = find_first_action(target->actions, NULL, RSC_STOP, node);
if (active && is_set(active->flags, pe_action_optional) == FALSE
&& is_set(active->flags, pe_action_pseudo) == FALSE) {
crm_debug("%s: found scheduled %s action (%s)", rsc->id, active->uuid, type);
mode |= stack_stopping;
}
return mode;
}
static enum stack_activity
check_stack_element(resource_t * rsc, resource_t * other_rsc, const char *type)
{
resource_t *other_p = uber_parent(other_rsc);
if (other_rsc == NULL || other_rsc == rsc) {
return stack_stable;
} else if (other_p->variant == pe_native) {
crm_notice("Cannot migrate %s due to dependency on %s (%s)", rsc->id, other_rsc->id, type);
return stack_middle;
} else if (other_rsc == rsc->parent) {
int mode = 0;
GListPtr gIter = NULL;
for (gIter = other_rsc->rsc_cons; gIter != NULL; gIter = gIter->next) {
rsc_colocation_t *constraint = (rsc_colocation_t *) gIter->data;
if (constraint->score > 0) {
mode |= check_stack_element(rsc, constraint->rsc_rh, type);
}
}
return mode;
} else if (other_p->variant == pe_group) {
crm_notice("Cannot migrate %s due to dependency on group %s (%s)",
rsc->id, other_rsc->id, type);
return stack_middle;
}
/* else: >= clone */
/*
## Assumption
A depends on clone(B)
## Resource Activity During Move
N1 N2 N3
--- --- ---
t0 A.stop
t1 B.stop B.stop
t2 B.start B.start
t3 A.start
## Resource Activity During Migration
N1 N2 N3
--- --- ---
t0 B.start B.start
t1 A.stop (1)
t2 A.start (2)
t3 B.stop B.stop
Node 1: Rewritten to be a migrate-to operation
Node 2: Rewritten to be a migrate-from operation
# Constraints
The following constraints already exist in the system.
The 'ok' and 'fail' column refers to whether they still hold for migration.
a) A.stop -> A.start - ok
b) B.stop -> B.start - fail
c) A.stop -> B.stop - ok
d) B.start -> A.start - ok
e) B.stop -> A.start - fail
f) A.stop -> B.start - fail
## Scenarios
B unchanged - ok
B stopping only - fail - possible after fixing 'e'
B starting only - fail - possible after fixing 'f'
B stoping and starting - fail - constraint 'b' is unfixable
B restarting only on N2 - fail - as-per previous only rarer
*/
/* Only allow migration when the clone is either stable, only starting or only stopping */
return find_clone_activity_on(rsc, other_rsc, NULL, type);
}
static gboolean
at_stack_bottom(resource_t * rsc)
{
char *key = NULL;
action_t *start = NULL;
action_t *other = NULL;
int mode = stack_stable;
GListPtr action_list = NULL;
GListPtr gIter = NULL;
key = start_key(rsc);
action_list = find_actions(rsc->actions, key, NULL);
free(key);
crm_trace("%s: processing", rsc->id);
CRM_CHECK(action_list != NULL, return FALSE);
start = action_list->data;
g_list_free(action_list);
for (gIter = rsc->rsc_cons; gIter != NULL; gIter = gIter->next) {
rsc_colocation_t *constraint = (rsc_colocation_t *) gIter->data;
resource_t *target = constraint->rsc_rh;
crm_trace("Checking %s: %s == %s (%d)", constraint->id, rsc->id, target->id,
constraint->score);
if (constraint->score > 0) {
mode |= check_stack_element(rsc, target, "coloc");
if (mode & stack_middle) {
return FALSE;
} else if ((mode & stack_stopping) && (mode & stack_starting)) {
crm_notice("Cannot migrate %s due to colocation activity (last was %s)",
rsc->id, target->id);
return FALSE;
}
}
}
for (gIter = start->actions_before; gIter != NULL; gIter = gIter->next) {
action_wrapper_t *other_w = (action_wrapper_t *) gIter->data;
other = other_w->action;
if (other_w->type & pe_order_serialize_only) {
crm_trace("%s: depends on %s (serialize ordering)", rsc->id, other->uuid);
continue;
}
crm_trace("%s: Checking %s ordering", rsc->id, other->uuid);
if (is_set(other->flags, pe_action_optional) == FALSE) {
mode |= check_stack_element(rsc, other->rsc, "order");
if (mode & stack_middle) {
return FALSE;
} else if ((mode & stack_stopping) && (mode & stack_starting)) {
crm_notice("Cannot migrate %s due to ordering activity (last was %s)",
rsc->id, other->rsc->id);
return FALSE;
}
}
}
return TRUE;
}
static action_t *
get_first_named_action(resource_t *rsc, const char *action, gboolean only_valid, node_t *current)
{
action_t *a = NULL;
GListPtr action_list = NULL;
char *key = generate_op_key(rsc->id, action, 0);
action_list = find_actions(rsc->actions, key, current);
if (action_list == NULL || action_list->data == NULL) {
crm_trace("%s: no %s action", rsc->id, action);
free(key);
return NULL;
}
a = action_list->data;
g_list_free(action_list);
if(only_valid && is_set(a->flags, pe_action_pseudo)) {
crm_trace("%s: pseudo", key);
a = NULL;
} else if(only_valid && is_not_set(a->flags, pe_action_runnable)) {
crm_trace("%s: runnable", key);
a = NULL;
}
free(key);
return a;
}
static void
MigrateRsc(resource_t * rsc, action_t *stop, action_t *start, pe_working_set_t * data_set, gboolean partial)
{
action_t *to = NULL;
action_t *from = NULL;
action_t *then = NULL;
action_t *other = NULL;
action_t *done = get_pseudo_op(STONITH_DONE, data_set);
GListPtr gIter = NULL;
const char *value = g_hash_table_lookup(rsc->meta, XML_OP_ATTR_ALLOW_MIGRATE);
crm_trace("%s %s -> %s", rsc->id, stop->node->details->uname, start->node->details->uname);
if (crm_is_true(value) == FALSE) {
return;
}
if (rsc->next_role > RSC_ROLE_SLAVE) {
crm_trace("%s: resource role: role=%s", rsc->id, role2text(rsc->next_role));
return;
}
if(start == NULL || stop == NULL) {
crm_trace("%s: not exists %p -> %p", rsc->id, stop, start);
return;
} else if (start->node == NULL || stop->node == NULL) {
crm_trace("%s: no node %p -> %p", rsc->id, stop->node, start->node);
return;
} else if(is_set(stop->flags, pe_action_optional)) {
crm_trace("%s: stop action", rsc->id);
return;
} else if(is_set(start->flags, pe_action_optional)) {
crm_trace("%s: start action", rsc->id);
return;
} else if (stop->node->details == start->node->details) {
crm_trace("%s: not moving %p -> %p", rsc->id, stop->node, start->node);
return;
} else if (at_stack_bottom(rsc) == FALSE) {
crm_trace("%s: not at stack bottom", rsc->id);
return;
}
if (partial) {
crm_info("Completing partial migration of %s from %s to %s", rsc->id,
stop->node ? stop->node->details->uname : "unknown",
start->node ? start->node->details->uname : "unknown");
} else {
crm_info("Migrating %s from %s to %s", rsc->id,
stop->node ? stop->node->details->uname : "unknown",
start->node ? start->node->details->uname : "unknown");
}
/* Preserve the stop to ensure the end state is sane on that node,
* Make the start a pseudo op
* Create migrate_to, have it depend on everything the stop did
* Create migrate_from
* *-> migrate_to -> migrate_from -> stop -> start
*/
update_action_flags(start, pe_action_pseudo); /* easier than trying to delete it from the graph
* but perhaps we should have it run anyway
*/
if (!partial) {
to = custom_action(rsc, generate_op_key(rsc->id, RSC_MIGRATE, 0), RSC_MIGRATE, stop->node,
FALSE, TRUE, data_set);
}
from = custom_action(rsc, generate_op_key(rsc->id, RSC_MIGRATED, 0), RSC_MIGRATED, start->node,
FALSE, TRUE, data_set);
/* This is slightly sub-optimal if 'to' fails, but always
* run both halves of the migration before terminating the
* transition.
*
* This can be removed if/when we update unpack_rsc_op() to
* 'correctly' handle partial migrations.
*
* Without this, we end up stopping both sides
*/
from->priority = INFINITY;
if (!partial) {
order_actions(to, from, pe_order_optional);
add_hash_param(to->meta, XML_LRM_ATTR_MIGRATE_SOURCE, stop->node->details->uname);
add_hash_param(to->meta, XML_LRM_ATTR_MIGRATE_TARGET, start->node->details->uname);
}
then = to ? to : from;
order_actions(from, stop, pe_order_optional);
order_actions(done, then, pe_order_optional);
add_hash_param(from->meta, XML_LRM_ATTR_MIGRATE_SOURCE, stop->node->details->uname);
add_hash_param(from->meta, XML_LRM_ATTR_MIGRATE_TARGET, start->node->details->uname);
/* Create the correct ordering ajustments based on find_clone_activity_on(); */
for (gIter = rsc->rsc_cons; gIter != NULL; gIter = gIter->next) {
rsc_colocation_t *constraint = (rsc_colocation_t *) gIter->data;
resource_t *target = constraint->rsc_rh;
crm_info("Repairing %s: %s == %s (%d)", constraint->id, rsc->id, target->id,
constraint->score);
if (constraint->score > 0) {
int mode = check_stack_element(rsc, target, "coloc");
action_t *clone_stop = find_first_action(target->actions, NULL, RSC_STOP, NULL);
action_t *clone_start = find_first_action(target->actions, NULL, RSC_STARTED, NULL);
CRM_ASSERT(clone_stop != NULL);
CRM_ASSERT(clone_start != NULL);
CRM_ASSERT((mode & stack_middle) == 0);
CRM_ASSERT(((mode & stack_stopping) && (mode & stack_starting)) == 0);
if (mode & stack_stopping) {
#if 0
crm_debug("Creating %s.start -> %s.stop ordering", rsc->id, target->id);
order_actions(from, clone_stop, pe_order_optional);
#endif
GListPtr lpc2 = NULL;
for (lpc2 = start->actions_before; lpc2 != NULL; lpc2 = lpc2->next) {
action_wrapper_t *other_w = (action_wrapper_t *) lpc2->data;
/* Needed if the clone's started pseudo-action ever gets printed in the graph */
if (other_w->action == clone_start) {
crm_debug("Breaking %s -> %s ordering", other_w->action->uuid,
start->uuid);
other_w->type = pe_order_none;
}
}
} else if (mode & stack_starting) {
#if 0
crm_debug("Creating %s.started -> %s.stop ordering", target->id, rsc->id);
order_actions(clone_start, to, pe_order_optional);
#endif
GListPtr lpc2 = NULL;
for (lpc2 = clone_stop->actions_before; lpc2 != NULL; lpc2 = lpc2->next) {
action_wrapper_t *other_w = (action_wrapper_t *) lpc2->data;
/* Needed if the clone's stop pseudo-action ever gets printed in the graph */
if (other_w->action == stop) {
crm_debug("Breaking %s -> %s ordering", other_w->action->uuid,
clone_stop->uuid);
other_w->type = pe_order_none;
}
}
}
}
}
#if 0
/* Implied now that start/stop are not morphed into migrate ops */
/* Anything that needed stop to complete, now also needs start to have completed */
for (gIter = stop->actions_after; gIter != NULL; gIter = gIter->next) {
action_wrapper_t *other_w = (action_wrapper_t *) gIter->data;
other = other_w->action;
if (is_set(other->flags, pe_action_optional) || other->rsc != NULL) {
continue;
}
crm_debug("Ordering %s before %s (stop)", from->uuid, other->uuid);
order_actions(from, other, other_w->type);
}
#endif
/* migrate 'then' action also needs anything that the stop needed to have completed too */
for (gIter = stop->actions_before; gIter != NULL; gIter = gIter->next) {
action_wrapper_t *other_w = (action_wrapper_t *) gIter->data;
other = other_w->action;
if (other->rsc == NULL) {
/* nothing */
} else if (is_set(other->flags, pe_action_optional) || other->rsc == rsc
|| other->rsc == rsc->parent) {
continue;
}
crm_debug("Ordering %s before %s (stop)", other_w->action->uuid, stop->uuid);
order_actions(other, then, other_w->type);
}
/* migrate 'then' action also needs anything that the start needed to have completed too */
for (gIter = start->actions_before; gIter != NULL; gIter = gIter->next) {
action_wrapper_t *other_w = (action_wrapper_t *) gIter->data;
other = other_w->action;
if (other->rsc == NULL) {
/* nothing */
} else if (is_set(other->flags, pe_action_optional) || other->rsc == rsc
|| other->rsc == rsc->parent) {
continue;
}
crm_debug("Ordering %s before %s (start)", other_w->action->uuid, stop->uuid);
order_actions(other, then, other_w->type);
}
}
static void
ReloadRsc(resource_t * rsc, action_t *stop, action_t *start, pe_working_set_t * data_set)
{
action_t *action = NULL;
action_t *rewrite = NULL;
if(is_not_set(rsc->flags, pe_rsc_try_reload)) {
return;
} else if(is_not_set(stop->flags, pe_action_optional)) {
crm_trace("%s: stop action", rsc->id);
return;
} else if(is_not_set(start->flags, pe_action_optional)) {
crm_trace("%s: start action", rsc->id);
return;
}
crm_trace("%s on %s", rsc->id, stop->node->details->uname);
action = get_first_named_action(rsc, RSC_PROMOTE, TRUE, NULL);
if (action && is_set(action->flags, pe_action_optional) == FALSE) {
update_action_flags(action, pe_action_pseudo);
}
action = get_first_named_action(rsc, RSC_DEMOTE, TRUE, NULL);
if (action && is_set(action->flags, pe_action_optional) == FALSE) {
rewrite = action;
update_action_flags(stop, pe_action_pseudo);
} else {
rewrite = start;
}
crm_info("Rewriting %s of %s on %s as a reload",
rewrite->task, rsc->id, stop->node->details->uname);
set_bit(rsc->flags, pe_rsc_reload);
update_action_flags(rewrite, pe_action_optional|pe_action_clear);
free(rewrite->uuid);
free(rewrite->task);
rewrite->task = strdup("reload");
rewrite->uuid = generate_op_key(rsc->id, rewrite->task, 0);
}
void
rsc_migrate_reload(resource_t * rsc, pe_working_set_t * data_set)
{
GListPtr gIter = NULL;
action_t *stop = NULL;
action_t *start = NULL;
gboolean partial = FALSE;
if (rsc->children) {
for (gIter = rsc->children; gIter != NULL; gIter = gIter->next) {
resource_t *child_rsc = (resource_t *) gIter->data;
rsc_migrate_reload(child_rsc, data_set);
}
return;
} else if (rsc->variant > pe_native) {
return;
}
crm_trace("Processing %s", rsc->id);
if (rsc->partial_migration_target) {
start = get_first_named_action(rsc, RSC_START, TRUE, rsc->partial_migration_target);
stop = get_first_named_action(rsc, RSC_STOP, TRUE, rsc->partial_migration_source);
if (start && stop) {
partial = TRUE;
}
}
crm_trace("%s %s %p", rsc->id, partial?"partial":"full", stop);
if (!partial) {
stop = get_first_named_action(rsc, RSC_STOP, TRUE, rsc->running_on ? rsc->running_on->data : NULL);
start = get_first_named_action(rsc, RSC_START, TRUE, NULL);
}
if (is_not_set(rsc->flags, pe_rsc_managed)
|| is_set(rsc->flags, pe_rsc_failed)
|| is_set(rsc->flags, pe_rsc_start_pending)
|| rsc->next_role < RSC_ROLE_STARTED
|| ((g_list_length(rsc->running_on) != 1) && !partial)) {
crm_trace("%s: general resource state: flags=0x%.16llx", rsc->id, rsc->flags);
return;
}
if(stop == NULL) {
return;
} else if (is_set(stop->flags, pe_action_optional) && is_set(rsc->flags, pe_rsc_try_reload)) {
ReloadRsc(rsc, stop, start, data_set);
} else if(is_not_set(stop->flags, pe_action_optional)) {
MigrateRsc(rsc, stop, start, data_set, partial);
}
}
void
native_append_meta(resource_t * rsc, xmlNode * xml)
{
char *value = g_hash_table_lookup(rsc->meta, XML_RSC_ATTR_INCARNATION);
if (value) {
char *name = NULL;
name = crm_meta_name(XML_RSC_ATTR_INCARNATION);
crm_xml_add(xml, name, value);
free(name);
}
}
diff --git a/tools/crm_inject.c b/tools/crm_inject.c
index e47a946c16..c81c3524f5 100644
--- a/tools/crm_inject.c
+++ b/tools/crm_inject.c
@@ -1,1514 +1,1515 @@
/*
* Copyright (C) 2009 Andrew Beekhof <andrew@beekhof.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This software 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
* General Public License for more details.
*
* You should have received a copy of the GNU 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 <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/param.h>
#include <sys/types.h>
#include <dirent.h>
#include <crm/crm.h>
#include <crm/cib.h>
#include <crm/common/util.h>
#include <crm/transition.h>
#include <crm/common/iso8601.h>
#include <crm/pengine/status.h>
#include <allocate.h>
cib_t *global_cib = NULL;
GListPtr op_fail = NULL;
gboolean quiet = FALSE;
#define new_node_template "//"XML_CIB_TAG_NODE"[@uname='%s']"
#define node_template "//"XML_CIB_TAG_STATE"[@uname='%s']"
#define rsc_template "//"XML_CIB_TAG_STATE"[@uname='%s']//"XML_LRM_TAG_RESOURCE"[@id='%s']"
#define op_template "//"XML_CIB_TAG_STATE"[@uname='%s']//"XML_LRM_TAG_RESOURCE"[@id='%s']/"XML_LRM_TAG_RSC_OP"[@id='%s']"
/* #define op_template "//"XML_CIB_TAG_STATE"[@uname='%s']//"XML_LRM_TAG_RESOURCE"[@id='%s']/"XML_LRM_TAG_RSC_OP"[@id='%s' and @"XML_LRM_ATTR_CALLID"='%d']" */
#define FAKE_TE_ID "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
#define quiet_log(fmt, args...) do { \
if(quiet == FALSE) { \
printf(fmt , ##args); \
} \
} while(0)
extern void cleanup_alloc_calculations(pe_working_set_t * data_set);
extern xmlNode *do_calculations(pe_working_set_t * data_set, xmlNode * xml_input, ha_time_t * now);
char *use_date = NULL;
static ha_time_t *
get_date(void)
{
if (use_date) {
char *date_m = use_date;
return parse_date(&date_m);
}
return NULL;
}
static xmlNode *
find_resource(xmlNode * cib_node, const char *resource)
{
char *xpath = NULL;
xmlNode *match = NULL;
const char *node = crm_element_value(cib_node, XML_ATTR_UNAME);
int max = strlen(rsc_template) + strlen(resource) + strlen(node) + 1;
xpath = calloc(1, max);
snprintf(xpath, max, rsc_template, node, resource);
match = get_xpath_object(xpath, cib_node, LOG_DEBUG_2);
free(xpath);
return match;
}
static void
create_node_entry(cib_t * cib_conn, char *node)
{
int rc = pcmk_ok;
int max = strlen(new_node_template) + strlen(node) + 1;
char *xpath = NULL;
xpath = calloc(1, max);
snprintf(xpath, max, new_node_template, node);
rc = cib_conn->cmds->query(cib_conn, xpath, NULL, cib_xpath | cib_sync_call | cib_scope_local);
if (rc == -ENXIO) {
xmlNode *cib_object = create_xml_node(NULL, XML_CIB_TAG_NODE);
/* Using node uname as uuid ala corosync/openais */
crm_xml_add(cib_object, XML_ATTR_ID, node);
crm_xml_add(cib_object, XML_ATTR_UNAME, node);
cib_conn->cmds->create(cib_conn, XML_CIB_TAG_NODES, cib_object,
cib_sync_call | cib_scope_local);
/* Not bothering with subsequent query to see if it exists,
we'll bomb out later in the call to determine_host... */
free_xml(cib_object);
}
free(xpath);
}
static xmlNode *
inject_node_state(cib_t * cib_conn, char *node)
{
int rc = pcmk_ok;
int max = strlen(rsc_template) + strlen(node) + 1;
char *xpath = NULL;
xmlNode *cib_object = NULL;
xpath = calloc(1, max);
create_node_entry(cib_conn, node);
snprintf(xpath, max, node_template, node);
rc = cib_conn->cmds->query(cib_conn, xpath, &cib_object,
cib_xpath | cib_sync_call | cib_scope_local);
if(cib_object && ID(cib_object) == NULL) {
crm_err("Detected multiple node_state entries for xpath=%s, bailing", xpath);
crm_log_xml_warn(cib_object, "Duplicates");
exit(1);
}
if (rc == -ENXIO) {
char *uuid = NULL;
cib_object = create_xml_node(NULL, XML_CIB_TAG_STATE);
determine_host(cib_conn, &node, &uuid);
crm_xml_add(cib_object, XML_ATTR_UUID, uuid);
crm_xml_add(cib_object, XML_ATTR_UNAME, node);
cib_conn->cmds->create(cib_conn, XML_CIB_TAG_STATUS, cib_object,
cib_sync_call | cib_scope_local);
free_xml(cib_object);
free(uuid);
rc = cib_conn->cmds->query(cib_conn, xpath, &cib_object,
cib_xpath | cib_sync_call | cib_scope_local);
}
free(xpath);
CRM_ASSERT(rc == pcmk_ok);
return cib_object;
}
static xmlNode *
modify_node(cib_t * cib_conn, char *node, gboolean up)
{
xmlNode *cib_node = inject_node_state(cib_conn, node);
if (up) {
crm_xml_add(cib_node, XML_NODE_IN_CLUSTER, XML_BOOLEAN_YES);
crm_xml_add(cib_node, XML_NODE_IS_PEER, ONLINESTATUS);
crm_xml_add(cib_node, XML_NODE_JOIN_STATE, CRMD_JOINSTATE_MEMBER);
crm_xml_add(cib_node, XML_NODE_EXPECTED, CRMD_JOINSTATE_MEMBER);
} else {
crm_xml_add(cib_node, XML_NODE_IN_CLUSTER, XML_BOOLEAN_NO);
crm_xml_add(cib_node, XML_NODE_IS_PEER, OFFLINESTATUS);
crm_xml_add(cib_node, XML_NODE_JOIN_STATE, CRMD_JOINSTATE_DOWN);
crm_xml_add(cib_node, XML_NODE_EXPECTED, CRMD_JOINSTATE_DOWN);
}
crm_xml_add(cib_node, XML_ATTR_ORIGIN, crm_system_name);
return cib_node;
}
static void
inject_transient_attr(xmlNode * cib_node, const char *name, const char *value)
{
xmlNode *attrs = NULL;
xmlNode *container = NULL;
xmlNode *nvp = NULL;
const char *node_uuid = ID(cib_node);
char *nvp_id = crm_concat(name, node_uuid, '-');
crm_info("Injecting attribute %s=%s into %s '%s'", name, value, xmlGetNodePath(cib_node),
ID(cib_node));
attrs = first_named_child(cib_node, XML_TAG_TRANSIENT_NODEATTRS);
if (attrs == NULL) {
attrs = create_xml_node(cib_node, XML_TAG_TRANSIENT_NODEATTRS);
crm_xml_add(attrs, XML_ATTR_ID, node_uuid);
}
container = first_named_child(attrs, XML_TAG_ATTR_SETS);
if (container == NULL) {
container = create_xml_node(attrs, XML_TAG_ATTR_SETS);
crm_xml_add(container, XML_ATTR_ID, node_uuid);
}
nvp = create_xml_node(container, XML_CIB_TAG_NVPAIR);
crm_xml_add(nvp, XML_ATTR_ID, nvp_id);
crm_xml_add(nvp, XML_NVPAIR_ATTR_NAME, name);
crm_xml_add(nvp, XML_NVPAIR_ATTR_VALUE, value);
free(nvp_id);
}
static xmlNode *
inject_resource(xmlNode * cib_node, const char *resource, const char *rclass, const char *rtype,
const char *rprovider)
{
xmlNode *lrm = NULL;
xmlNode *container = NULL;
xmlNode *cib_resource = NULL;
char *xpath = NULL;
cib_resource = find_resource(cib_node, resource);
if (cib_resource != NULL) {
return cib_resource;
}
/* One day, add query for class, provider, type */
if (rclass == NULL || rtype == NULL) {
fprintf(stderr, "Resource %s not found in the status section of %s."
" Please supply the class and type to continue\n", resource, ID(cib_node));
return NULL;
} else if (safe_str_neq(rclass, "ocf")
&& safe_str_neq(rclass, "stonith")
&& safe_str_neq(rclass, "heartbeat")
&& safe_str_neq(rclass, "lsb")) {
fprintf(stderr, "Invalid class for %s: %s\n", resource, rclass);
return NULL;
} else if (safe_str_eq(rclass, "ocf") && rprovider == NULL) {
fprintf(stderr, "Please specify the provider for resource %s\n", resource);
return NULL;
}
xpath = (char *)xmlGetNodePath(cib_node);
crm_info("Injecting new resource %s into %s '%s'", resource, xpath, ID(cib_node));
free(xpath);
lrm = first_named_child(cib_node, XML_CIB_TAG_LRM);
if (lrm == NULL) {
const char *node_uuid = ID(cib_node);
lrm = create_xml_node(cib_node, XML_CIB_TAG_LRM);
crm_xml_add(lrm, XML_ATTR_ID, node_uuid);
}
container = first_named_child(lrm, XML_LRM_TAG_RESOURCES);
if (container == NULL) {
container = create_xml_node(lrm, XML_LRM_TAG_RESOURCES);
}
cib_resource = create_xml_node(container, XML_LRM_TAG_RESOURCE);
crm_xml_add(cib_resource, XML_ATTR_ID, resource);
crm_xml_add(cib_resource, XML_AGENT_ATTR_CLASS, rclass);
crm_xml_add(cib_resource, XML_AGENT_ATTR_PROVIDER, rprovider);
crm_xml_add(cib_resource, XML_ATTR_TYPE, rtype);
return cib_resource;
}
static lrmd_event_data_t *
create_op(xmlNode * cib_resource, const char *task, int interval, int outcome)
{
lrmd_event_data_t *op = NULL;
xmlNode *xop = NULL;
op = calloc(1, sizeof(lrmd_event_data_t));
op->rsc_id = strdup(ID(cib_resource));
op->interval = interval;
op->op_type = strdup(task);
op->rc = outcome;
op->op_status = 0;
op->params = NULL; /* TODO: Fill me in */
op->call_id = 0;
for (xop = __xml_first_child(cib_resource); xop != NULL; xop = __xml_next(xop)) {
int tmp = 0;
crm_element_value_int(xop, XML_LRM_ATTR_CALLID, &tmp);
if (tmp > op->call_id) {
op->call_id = tmp;
}
}
op->call_id++;
return op;
}
static xmlNode *
inject_op(xmlNode * cib_resource, lrmd_event_data_t * op, int target_rc)
{
return create_operation_update(cib_resource, op, CRM_FEATURE_SET, target_rc, crm_system_name,
LOG_DEBUG_2);
}
static void
update_failcounts(xmlNode * cib_node, const char *resource, int interval, int rc)
{
if (rc == 0) {
return;
} else if (rc == 7 && interval == 0) {
return;
} else {
char *name = NULL;
char *now = crm_itoa(time(NULL));
name = crm_concat("fail-count", resource, '-');
inject_transient_attr(cib_node, name, "value++");
name = crm_concat("last-failure", resource, '-');
inject_transient_attr(cib_node, name, now);
free(name);
free(now);
}
}
static gboolean
exec_pseudo_action(crm_graph_t * graph, crm_action_t * action)
{
const char *node = crm_element_value(action->xml, XML_LRM_ATTR_TARGET);
const char *task = crm_element_value(action->xml, XML_LRM_ATTR_TASK_KEY);
action->confirmed = TRUE;
quiet_log(" * Pseudo action: %s%s%s\n", task, node?" on ":"", node?node:"");
update_graph(graph, action);
return TRUE;
}
static gboolean
exec_rsc_action(crm_graph_t * graph, crm_action_t * action)
{
int rc = 0;
GListPtr gIter = NULL;
lrmd_event_data_t *op = NULL;
int target_outcome = 0;
const char *rtype = NULL;
const char *rclass = NULL;
const char *resource = NULL;
const char *rprovider = NULL;
const char *target_rc_s = crm_meta_value(action->params, XML_ATTR_TE_TARGET_RC);
xmlNode *cib_node = NULL;
xmlNode *cib_resource = NULL;
xmlNode *action_rsc = first_named_child(action->xml, XML_CIB_TAG_RESOURCE);
char *node = crm_element_value_copy(action->xml, XML_LRM_ATTR_TARGET);
if (safe_str_eq(crm_element_value(action->xml, "operation"), "probe_complete")) {
crm_info("Skipping %s op for %s\n", crm_element_value(action->xml, "operation"), node);
goto done;
}
if (action_rsc == NULL) {
crm_log_xml_err(action->xml, "Bad");
free(node);
return FALSE;
}
resource = ID(action_rsc);
rclass = crm_element_value(action_rsc, XML_AGENT_ATTR_CLASS);
rtype = crm_element_value(action_rsc, XML_ATTR_TYPE);
rprovider = crm_element_value(action_rsc, XML_AGENT_ATTR_PROVIDER);
if (target_rc_s != NULL) {
target_outcome = crm_parse_int(target_rc_s, "0");
}
CRM_ASSERT(global_cib->cmds->query(global_cib, NULL, NULL, cib_sync_call | cib_scope_local) ==
pcmk_ok);
cib_node = inject_node_state(global_cib, node);
CRM_ASSERT(cib_node != NULL);
cib_resource = inject_resource(cib_node, resource, rclass, rtype, rprovider);
CRM_ASSERT(cib_resource != NULL);
op = convert_graph_action(cib_resource, action, 0, target_outcome);
if(op->interval) {
quiet_log(" * Resource action: %-15s %s=%d on %s\n", resource, op->op_type, op->interval, node);
} else {
quiet_log(" * Resource action: %-15s %s on %s\n", resource, op->op_type, node);
}
for (gIter = op_fail; gIter != NULL; gIter = gIter->next) {
char *spec = (char *)gIter->data;
char *key = NULL;
key = calloc(1, 1 + strlen(spec));
snprintf(key, strlen(spec), "%s_%s_%d@%s=", resource, op->op_type, op->interval, node);
if (strncasecmp(key, spec, strlen(key)) == 0) {
rc = sscanf(spec, "%*[^=]=%d", (int *) &op->rc);
action->failed = TRUE;
graph->abort_priority = INFINITY;
printf("\tPretending action %d failed with rc=%d\n", action->id, op->rc);
update_failcounts(cib_node, resource, op->interval, op->rc);
free(key);
break;
}
free(key);
}
inject_op(cib_resource, op, target_outcome);
lrmd_free_event(op);
rc = global_cib->cmds->modify(global_cib, XML_CIB_TAG_STATUS, cib_node,
cib_sync_call | cib_scope_local);
CRM_ASSERT(rc == pcmk_ok);
done:
free(node);
free_xml(cib_node);
action->confirmed = TRUE;
update_graph(graph, action);
return TRUE;
}
static gboolean
exec_crmd_action(crm_graph_t * graph, crm_action_t * action)
{
const char *node = crm_element_value(action->xml, XML_LRM_ATTR_TARGET);
const char *task = crm_element_value(action->xml, XML_LRM_ATTR_TASK);
action->confirmed = TRUE;
quiet_log(" * Cluster action: %s on %s\n", task, node);
update_graph(graph, action);
return TRUE;
}
#define STATUS_PATH_MAX 512
static gboolean
exec_stonith_action(crm_graph_t * graph, crm_action_t * action)
{
int rc = 0;
char xpath[STATUS_PATH_MAX];
char *target = crm_element_value_copy(action->xml, XML_LRM_ATTR_TARGET);
xmlNode *cib_node = modify_node(global_cib, target, FALSE);
crm_xml_add(cib_node, XML_ATTR_ORIGIN, __FUNCTION__);
CRM_ASSERT(cib_node != NULL);
quiet_log(" * Fencing %s\n", target);
rc = global_cib->cmds->replace(global_cib, XML_CIB_TAG_STATUS, cib_node,
cib_sync_call | cib_scope_local);
CRM_ASSERT(rc == pcmk_ok);
snprintf(xpath, STATUS_PATH_MAX, "//node_state[@uname='%s']/%s", target, XML_CIB_TAG_LRM);
rc = global_cib->cmds->delete(global_cib, xpath, NULL,
cib_xpath | cib_sync_call | cib_scope_local);
snprintf(xpath, STATUS_PATH_MAX, "//node_state[@uname='%s']/%s", target,
XML_TAG_TRANSIENT_NODEATTRS);
rc = global_cib->cmds->delete(global_cib, xpath, NULL,
cib_xpath | cib_sync_call | cib_scope_local);
action->confirmed = TRUE;
update_graph(graph, action);
free_xml(cib_node);
free(target);
return TRUE;
}
static char *
add_list_element(char *list, const char *value)
{
int len = 0;
int last = 0;
if (value == NULL) {
return list;
}
if (list) {
last = strlen(list);
}
len = last + 2; /* +1 space, +1 EOS */
len += strlen(value);
list = realloc(list, len);
sprintf(list + last, " %s", value);
return list;
}
static void
print_cluster_status(pe_working_set_t * data_set)
{
char *online_nodes = NULL;
char *offline_nodes = NULL;
GListPtr gIter = NULL;
for (gIter = data_set->nodes; gIter != NULL; gIter = gIter->next) {
node_t *node = (node_t *) gIter->data;
const char *node_mode = NULL;
if (node->details->unclean) {
if (node->details->online && node->details->unclean) {
node_mode = "UNCLEAN (online)";
} else if (node->details->pending) {
node_mode = "UNCLEAN (pending)";
} else {
node_mode = "UNCLEAN (offline)";
}
} else if (node->details->pending) {
node_mode = "pending";
} else if (node->details->standby_onfail && node->details->online) {
node_mode = "standby (on-fail)";
} else if (node->details->standby) {
if (node->details->online) {
node_mode = "standby";
} else {
node_mode = "OFFLINE (standby)";
}
} else if (node->details->online) {
node_mode = "online";
online_nodes = add_list_element(online_nodes, node->details->uname);
continue;
} else {
node_mode = "OFFLINE";
offline_nodes = add_list_element(offline_nodes, node->details->uname);
continue;
}
if (safe_str_eq(node->details->uname, node->details->id)) {
printf("Node %s: %s\n", node->details->uname, node_mode);
} else {
printf("Node %s (%s): %s\n", node->details->uname, node->details->id, node_mode);
}
}
if (online_nodes) {
printf("Online: [%s ]\n", online_nodes);
free(online_nodes);
}
if (offline_nodes) {
printf("OFFLINE: [%s ]\n", offline_nodes);
free(offline_nodes);
}
fprintf(stdout, "\n");
for (gIter = data_set->resources; gIter != NULL; gIter = gIter->next) {
resource_t *rsc = (resource_t *) gIter->data;
if (is_set(rsc->flags, pe_rsc_orphan)
&& rsc->role == RSC_ROLE_STOPPED) {
continue;
}
rsc->fns->print(rsc, NULL, pe_print_printf, stdout);
}
fprintf(stdout, "\n");
}
static int
run_simulation(pe_working_set_t * data_set)
{
crm_graph_t *transition = NULL;
enum transition_status graph_rc = -1;
crm_graph_functions_t exec_fns = {
exec_pseudo_action,
exec_rsc_action,
exec_crmd_action,
exec_stonith_action,
};
set_graph_functions(&exec_fns);
quiet_log("\nExecuting cluster transition:\n");
transition = unpack_graph(data_set->graph, crm_system_name);
print_graph(LOG_DEBUG, transition);
do {
graph_rc = run_graph(transition);
} while (graph_rc == transition_active);
if (graph_rc != transition_complete) {
fprintf(stdout, "Transition failed: %s\n", transition_status(graph_rc));
print_graph(LOG_ERR, transition);
}
destroy_graph(transition);
if (graph_rc != transition_complete) {
fprintf(stdout, "An invalid transition was produced\n");
}
if (quiet == FALSE) {
xmlNode *cib_object = NULL;
int rc =
global_cib->cmds->query(global_cib, NULL, &cib_object, cib_sync_call | cib_scope_local);
CRM_ASSERT(rc == pcmk_ok);
quiet_log("\nRevised cluster status:\n");
cleanup_alloc_calculations(data_set);
data_set->input = cib_object;
data_set->now = get_date();
cluster_status(data_set);
print_cluster_status(data_set);
}
if (graph_rc != transition_complete) {
return graph_rc;
}
return 0;
}
static char *
create_action_name(action_t * action)
{
char *action_name = NULL;
const char *prefix = NULL;
const char *action_host = NULL;
const char *task = action->task;
if (action->node) {
action_host = action->node->details->uname;
} else if(is_not_set(action->flags, pe_action_pseudo)) {
action_host = "<none>";
}
if (safe_str_eq(action->task, RSC_CANCEL)) {
prefix = "Cancel ";
task = "monitor"; /* TO-DO: Hack! */
}
if(action->rsc && action->rsc->clone_name) {
char *key = NULL;
const char *name = action->rsc->clone_name;
const char *interval_s = g_hash_table_lookup(action->meta, XML_LRM_ATTR_INTERVAL);
int interval = crm_parse_int(interval_s, "0");
- if (safe_str_eq(action->task, RSC_NOTIFY)) {
- const char *n_type = g_hash_table_lookup(action->meta, "notify_type");
- const char *n_task = g_hash_table_lookup(action->meta, "notify_operation");
+ if (safe_str_eq(action->task, RSC_NOTIFY)
+ || safe_str_eq(action->task, RSC_NOTIFIED)) {
+ const char *n_type = g_hash_table_lookup(action->meta, "notify_key_type");
+ const char *n_task = g_hash_table_lookup(action->meta, "notify_key_operation");
CRM_ASSERT(n_type != NULL);
CRM_ASSERT(n_task != NULL);
key = generate_notify_key(name, n_type, n_task);
} else {
key = generate_op_key(name, task, interval);
}
if(action_host) {
action_name = g_strdup_printf("%s%s %s", prefix?prefix:"", key, action_host);
} else {
action_name = g_strdup_printf("%s%s", prefix?prefix:"", key);
}
} else if(action_host) {
action_name = g_strdup_printf("%s%s %s", prefix?prefix:"", action->uuid, action_host);
} else {
action_name = g_strdup_printf("%s", action->uuid);
}
return action_name;
}
static void
create_dotfile(pe_working_set_t * data_set, const char *dot_file, gboolean all_actions)
{
GListPtr gIter = NULL;
FILE *dot_strm = fopen(dot_file, "w");
if (dot_strm == NULL) {
crm_perror(LOG_ERR, "Could not open %s for writing", dot_file);
return;
}
fprintf(dot_strm, " digraph \"g\" {\n");
for (gIter = data_set->actions; gIter != NULL; gIter = gIter->next) {
action_t *action = (action_t *) gIter->data;
const char *style = "dashed";
const char *font = "black";
const char *color = "black";
char *action_name = create_action_name(action);
crm_trace("Action %d: %p", action->id, action);
if (is_set(action->flags, pe_action_pseudo)) {
font = "orange";
}
if (is_set(action->flags, pe_action_dumped)) {
style = "bold";
color = "green";
} else if (action->rsc != NULL && is_not_set(action->rsc->flags, pe_rsc_managed)) {
color = "red";
font = "purple";
if (all_actions == FALSE) {
goto dont_write;
}
} else if (is_set(action->flags, pe_action_optional)) {
color = "blue";
if (all_actions == FALSE) {
goto dont_write;
}
} else {
color = "red";
CRM_CHECK(is_set(action->flags, pe_action_runnable) == FALSE,;
);
}
set_bit(action->flags, pe_action_dumped);
fprintf(dot_strm, "\"%s\" [ style=%s color=\"%s\" fontcolor=\"%s\"]\n",
action_name, style, color, font);
dont_write:
free(action_name);
}
for (gIter = data_set->actions; gIter != NULL; gIter = gIter->next) {
action_t *action = (action_t *) gIter->data;
GListPtr gIter2 = NULL;
for (gIter2 = action->actions_before; gIter2 != NULL; gIter2 = gIter2->next) {
action_wrapper_t *before = (action_wrapper_t *) gIter2->data;
char *before_name = NULL;
char *after_name = NULL;
const char *style = "dashed";
gboolean optional = TRUE;
if (before->state == pe_link_dumped) {
optional = FALSE;
style = "bold";
} else if (is_set(action->flags, pe_action_pseudo)
&& (before->type & pe_order_stonith_stop)) {
continue;
} else if (before->state == pe_link_dup) {
continue;
} else if (before->type == pe_order_none) {
continue;
} else if (is_set(before->action->flags, pe_action_dumped)
&& is_set(action->flags, pe_action_dumped)
&& before->type != pe_order_load) {
optional = FALSE;
}
if (all_actions || optional == FALSE) {
before_name = create_action_name(before->action);
after_name = create_action_name(action);
fprintf(dot_strm, "\"%s\" -> \"%s\" [ style = %s]\n",
before_name, after_name, style);
free(before_name);
free(after_name);
}
}
}
fprintf(dot_strm, "}\n");
if (dot_strm != NULL) {
fflush(dot_strm);
fclose(dot_strm);
}
}
static int
find_ticket_state(cib_t * the_cib, const char * ticket_id, xmlNode ** ticket_state_xml)
{
int offset = 0;
static int xpath_max = 1024;
int rc = pcmk_ok;
xmlNode *xml_search = NULL;
char *xpath_string = NULL;
CRM_ASSERT(ticket_state_xml != NULL);
*ticket_state_xml = NULL;
xpath_string = calloc(1, xpath_max);
offset +=
snprintf(xpath_string + offset, xpath_max - offset, "%s", "/cib/status/tickets");
if (ticket_id) {
offset += snprintf(xpath_string + offset, xpath_max - offset, "/%s[@id=\"%s\"]",
XML_CIB_TAG_TICKET_STATE, ticket_id);
}
rc = the_cib->cmds->query(the_cib, xpath_string, &xml_search,
cib_sync_call | cib_scope_local | cib_xpath);
if (rc != pcmk_ok) {
goto bail;
}
crm_log_xml_debug(xml_search, "Match");
if (xml_has_children(xml_search)) {
if (ticket_id) {
fprintf(stdout, "Multiple ticket_states match ticket_id=%s\n", ticket_id);
}
*ticket_state_xml = xml_search;
} else {
*ticket_state_xml = xml_search;
}
bail:
free(xpath_string);
return rc;
}
static int
set_ticket_state_attr(const char *ticket_id, const char *attr_name,
const char *attr_value, cib_t * cib, int cib_options)
{
int rc = pcmk_ok;
xmlNode *xml_top = NULL;
xmlNode *ticket_state_xml = NULL;
rc = find_ticket_state(cib, ticket_id, &ticket_state_xml);
if (rc == pcmk_ok) {
crm_debug("Found a match state for ticket: id=%s", ticket_id);
xml_top = ticket_state_xml;
} else if (rc != -ENXIO) {
return rc;
} else {
xmlNode *xml_obj = NULL;
xml_top = create_xml_node(NULL, XML_CIB_TAG_STATUS);
xml_obj = create_xml_node(xml_top, XML_CIB_TAG_TICKETS);
ticket_state_xml = create_xml_node(xml_obj, XML_CIB_TAG_TICKET_STATE);
crm_xml_add(ticket_state_xml, XML_ATTR_ID, ticket_id);
}
crm_xml_add(ticket_state_xml, attr_name, attr_value);
crm_log_xml_debug(xml_top, "Update");
rc = cib->cmds->modify(cib, XML_CIB_TAG_STATUS, xml_top, cib_options);
free_xml(xml_top);
return rc;
}
static void
modify_configuration(pe_working_set_t * data_set,
const char *quorum, GListPtr node_up, GListPtr node_down, GListPtr node_fail,
GListPtr op_inject, GListPtr ticket_grant, GListPtr ticket_revoke,
GListPtr ticket_standby, GListPtr ticket_activate)
{
int rc = pcmk_ok;
GListPtr gIter = NULL;
xmlNode *cib_op = NULL;
xmlNode *cib_node = NULL;
xmlNode *cib_resource = NULL;
lrmd_event_data_t *op = NULL;
if (quorum) {
xmlNode *top = create_xml_node(NULL, XML_TAG_CIB);
quiet_log(" + Setting quorum: %s\n", quorum);
/* crm_xml_add(top, XML_ATTR_DC_UUID, dc_uuid); */
crm_xml_add(top, XML_ATTR_HAVE_QUORUM, quorum);
rc = global_cib->cmds->modify(global_cib, NULL, top, cib_sync_call | cib_scope_local);
CRM_ASSERT(rc == pcmk_ok);
}
for (gIter = node_up; gIter != NULL; gIter = gIter->next) {
char *node = (char *)gIter->data;
quiet_log(" + Bringing node %s online\n", node);
cib_node = modify_node(global_cib, node, TRUE);
CRM_ASSERT(cib_node != NULL);
rc = global_cib->cmds->modify(global_cib, XML_CIB_TAG_STATUS, cib_node,
cib_sync_call | cib_scope_local);
CRM_ASSERT(rc == pcmk_ok);
}
for (gIter = node_down; gIter != NULL; gIter = gIter->next) {
char *node = (char *)gIter->data;
quiet_log(" + Taking node %s offline\n", node);
cib_node = modify_node(global_cib, node, FALSE);
CRM_ASSERT(cib_node != NULL);
rc = global_cib->cmds->modify(global_cib, XML_CIB_TAG_STATUS, cib_node,
cib_sync_call | cib_scope_local);
CRM_ASSERT(rc == pcmk_ok);
}
for (gIter = node_fail; gIter != NULL; gIter = gIter->next) {
char *node = (char *)gIter->data;
quiet_log(" + Failing node %s\n", node);
cib_node = modify_node(global_cib, node, TRUE);
crm_xml_add(cib_node, XML_NODE_IN_CLUSTER, XML_BOOLEAN_NO);
CRM_ASSERT(cib_node != NULL);
rc = global_cib->cmds->modify(global_cib, XML_CIB_TAG_STATUS, cib_node,
cib_sync_call | cib_scope_local);
CRM_ASSERT(rc == pcmk_ok);
}
for (gIter = ticket_grant; gIter != NULL; gIter = gIter->next) {
char *ticket_id = (char *)gIter->data;
quiet_log(" + Granting ticket %s\n", ticket_id);
rc = set_ticket_state_attr(ticket_id, "granted", "true",
global_cib, cib_sync_call | cib_scope_local);
CRM_ASSERT(rc == pcmk_ok);
}
for (gIter = ticket_revoke; gIter != NULL; gIter = gIter->next) {
char *ticket_id = (char *)gIter->data;
quiet_log(" + Revoking ticket %s\n", ticket_id);
rc = set_ticket_state_attr(ticket_id, "granted", "false",
global_cib, cib_sync_call | cib_scope_local);
CRM_ASSERT(rc == pcmk_ok);
}
for (gIter = ticket_standby; gIter != NULL; gIter = gIter->next) {
char *ticket_id = (char *)gIter->data;
quiet_log(" + Making ticket %s standby\n", ticket_id);
rc = set_ticket_state_attr(ticket_id, "standby", "true",
global_cib, cib_sync_call | cib_scope_local);
CRM_ASSERT(rc == pcmk_ok);
}
for (gIter = ticket_activate; gIter != NULL; gIter = gIter->next) {
char *ticket_id = (char *)gIter->data;
quiet_log(" + Activating ticket %s\n", ticket_id);
rc = set_ticket_state_attr(ticket_id, "standby", "false",
global_cib, cib_sync_call | cib_scope_local);
CRM_ASSERT(rc == pcmk_ok);
}
for (gIter = op_inject; gIter != NULL; gIter = gIter->next) {
char *spec = (char *)gIter->data;
int rc = 0;
int outcome = 0;
int interval = 0;
char *key = NULL;
char *node = NULL;
char *task = NULL;
char *resource = NULL;
const char *rtype = NULL;
const char *rclass = NULL;
const char *rprovider = NULL;
resource_t *rsc = NULL;
quiet_log(" + Injecting %s into the configuration\n", spec);
key = calloc(1, strlen(spec) + 1);
node = calloc(1, strlen(spec) + 1);
rc = sscanf(spec, "%[^@]@%[^=]=%d", key, node, &outcome);
CRM_CHECK(rc == 3,
fprintf(stderr, "Invalid operation spec: %s. Only found %d fields\n", spec, rc);
continue);
parse_op_key(key, &resource, &task, &interval);
rsc = pe_find_resource(data_set->resources, resource);
if (rsc == NULL) {
fprintf(stderr, " - Invalid resource name: %s\n", resource);
} else {
rclass = crm_element_value(rsc->xml, XML_AGENT_ATTR_CLASS);
rtype = crm_element_value(rsc->xml, XML_ATTR_TYPE);
rprovider = crm_element_value(rsc->xml, XML_AGENT_ATTR_PROVIDER);
cib_node = inject_node_state(global_cib, node);
CRM_ASSERT(cib_node != NULL);
update_failcounts(cib_node, resource, interval, outcome);
cib_resource = inject_resource(cib_node, resource, rclass, rtype, rprovider);
CRM_ASSERT(cib_resource != NULL);
op = create_op(cib_resource, task, interval, outcome);
CRM_ASSERT(op != NULL);
cib_op = inject_op(cib_resource, op, 0);
CRM_ASSERT(cib_op != NULL);
lrmd_free_event(op);
rc = global_cib->cmds->modify(global_cib, XML_CIB_TAG_STATUS, cib_node,
cib_sync_call | cib_scope_local);
CRM_ASSERT(rc == pcmk_ok);
}
free(task);
free(node);
free(key);
}
}
static void
setup_input(const char *input, const char *output)
{
int rc = pcmk_ok;
cib_t *cib_conn = NULL;
xmlNode *cib_object = NULL;
char *local_output = NULL;
if (input == NULL) {
/* Use live CIB */
cib_conn = cib_new();
rc = cib_conn->cmds->signon(cib_conn, crm_system_name, cib_command);
if (rc == pcmk_ok) {
cib_object = get_cib_copy(cib_conn);
}
cib_conn->cmds->signoff(cib_conn);
cib_delete(cib_conn);
cib_conn = NULL;
if (cib_object == NULL) {
fprintf(stderr, "Live CIB query failed: empty result\n");
exit(3);
}
} else if (safe_str_eq(input, "-")) {
cib_object = filename2xml(NULL);
} else {
cib_object = filename2xml(input);
}
if (get_object_root(XML_CIB_TAG_STATUS, cib_object) == NULL) {
create_xml_node(cib_object, XML_CIB_TAG_STATUS);
}
if (cli_config_update(&cib_object, NULL, FALSE) == FALSE) {
free_xml(cib_object);
exit(-ENOKEY);
}
if (validate_xml(cib_object, NULL, FALSE) != TRUE) {
free_xml(cib_object);
exit(-pcmk_err_dtd_validation);
}
if (output == NULL) {
char *pid = crm_itoa(getpid());
local_output = get_shadow_file(pid);
output = local_output;
free(pid);
}
rc = write_xml_file(cib_object, output, FALSE);
free_xml(cib_object);
cib_object = NULL;
if (rc < 0) {
fprintf(stderr, "Could not create '%s': %s\n", output, strerror(errno));
exit(rc);
}
setenv("CIB_file", output, 1);
free(local_output);
}
/* *INDENT-OFF* */
static struct crm_option long_options[] = {
/* Top-level Options */
{"help", 0, 0, '?', "\tThis text"},
{"version", 0, 0, '$', "\tVersion information" },
{"quiet", 0, 0, 'Q', "\tDisplay only essentialoutput"},
{"verbose", 0, 0, 'V', "\tIncrease debug output"},
{"-spacer-", 0, 0, '-', "\nOperations:"},
{"run", 0, 0, 'R', "\tDetermine the cluster's response to the given configuration and status"},
{"simulate", 0, 0, 'S', "Simulate the transition's execution and display the resulting cluster status"},
{"in-place", 0, 0, 'X', "Simulate the transition's execution and store the result back to the input file"},
{"show-scores", 0, 0, 's', "Show allocation scores"},
{"show-utilization", 0, 0, 'U', "Show utilization information"},
{"profile", 1, 0, 'P', "Run all tests in the named directory to create profiling data"},
{"-spacer-", 0, 0, '-', "\nSynthetic Cluster Events:"},
{"node-up", 1, 0, 'u', "\tBring a node online"},
{"node-down", 1, 0, 'd', "\tTake a node offline"},
{"node-fail", 1, 0, 'f', "\tMark a node as failed"},
{"op-inject", 1, 0, 'i', "\t$rsc_$task_$interval@$node=$rc - Inject the specified task before running the simulation"},
{"op-fail", 1, 0, 'F', "\t$rsc_$task_$interval@$node=$rc - Fail the specified task while running the simulation"},
{"set-datetime", 1, 0, 't', "Set date/time"},
{"quorum", 1, 0, 'q', "\tSpecify a value for quorum"},
{"ticket-grant", 1, 0, 'g', "Grant a ticket"},
{"ticket-revoke", 1, 0, 'r', "Revoke a ticket"},
{"ticket-standby", 1, 0, 'b', "Make a ticket standby"},
{"ticket-activate", 1, 0, 'e', "Activate a ticket"},
{"-spacer-", 0, 0, '-', "\nOutput Options:"},
{"save-input", 1, 0, 'I', "\tSave the input configuration to the named file"},
{"save-output", 1, 0, 'O', "Save the output configuration to the named file"},
{"save-graph", 1, 0, 'G', "\tSave the transition graph (XML format) to the named file"},
{"save-dotfile", 1, 0, 'D', "Save the transition graph (DOT format) to the named file"},
{"all-actions", 0, 0, 'a', "\tDisplay all possible actions in the DOT graph - even ones not part of the transition"},
{"-spacer-", 0, 0, '-', "\nData Source:"},
{"live-check", 0, 0, 'L', "\tConnect to the CIB and use the current contents as input"},
{"xml-file", 1, 0, 'x', "\tRetrieve XML from the named file"},
{"xml-pipe", 0, 0, 'p', "\tRetrieve XML from stdin"},
{0, 0, 0, 0}
};
/* *INDENT-ON* */
static void
profile_one(const char *xml_file)
{
xmlNode *cib_object = NULL;
pe_working_set_t data_set;
printf("* Testing %s\n", xml_file);
cib_object = filename2xml(xml_file);
if (get_object_root(XML_CIB_TAG_STATUS, cib_object) == NULL) {
create_xml_node(cib_object, XML_CIB_TAG_STATUS);
}
if (cli_config_update(&cib_object, NULL, FALSE) == FALSE) {
free_xml(cib_object);
return;
}
if (validate_xml(cib_object, NULL, FALSE) != TRUE) {
free_xml(cib_object);
return;
}
set_working_set_defaults(&data_set);
data_set.input = cib_object;
data_set.now = get_date();
do_calculations(&data_set, cib_object, NULL);
cleanup_alloc_calculations(&data_set);
}
#ifndef FILENAME_MAX
# define FILENAME_MAX 512
#endif
static int
profile_all(const char *dir)
{
struct dirent **namelist;
int lpc = 0;
int file_num = scandir(dir, &namelist, 0, alphasort);
if (file_num > 0) {
struct stat prop;
char buffer[FILENAME_MAX + 1];
while (file_num--) {
if ('.' == namelist[file_num]->d_name[0]) {
free(namelist[file_num]);
continue;
} else if (strstr(namelist[file_num]->d_name, ".xml") == NULL) {
free(namelist[file_num]);
continue;
}
lpc++;
snprintf(buffer, FILENAME_MAX, "%s/%s", dir, namelist[file_num]->d_name);
if (stat(buffer, &prop) == 0 && S_ISREG(prop.st_mode)) {
profile_one(buffer);
}
free(namelist[file_num]);
}
free(namelist);
}
return lpc;
}
int
main(int argc, char **argv)
{
int rc = 0;
guint modified = 0;
gboolean store = FALSE;
gboolean process = FALSE;
gboolean verbose = FALSE;
gboolean simulate = FALSE;
gboolean all_actions = FALSE;
gboolean have_stdout = FALSE;
pe_working_set_t data_set;
const char *xml_file = "-";
const char *quorum = NULL;
const char *test_dir = NULL;
const char *dot_file = NULL;
const char *graph_file = NULL;
const char *input_file = NULL;
const char *output_file = NULL;
int flag = 0;
int index = 0;
int argerr = 0;
GListPtr node_up = NULL;
GListPtr node_down = NULL;
GListPtr node_fail = NULL;
GListPtr op_inject = NULL;
GListPtr ticket_grant = NULL;
GListPtr ticket_revoke = NULL;
GListPtr ticket_standby = NULL;
GListPtr ticket_activate = NULL;
xmlNode *input = NULL;
crm_log_cli_init("crm_simulate");
crm_set_options(NULL, "datasource operation [additional options]",
long_options, "Tool for simulating the cluster's response to events");
if (argc < 2) {
crm_help('?', EX_USAGE);
}
while (1) {
flag = crm_get_option(argc, argv, &index);
if (flag == -1)
break;
switch (flag) {
case 'V':
verbose = TRUE;
if(have_stdout == FALSE) {
/* Redirect stderr to stdout so we can grep the output */
have_stdout = TRUE;
close(STDERR_FILENO);
dup2(STDOUT_FILENO, STDERR_FILENO);
}
crm_bump_log_level();
break;
case '?':
case '$':
crm_help(flag, EX_OK);
break;
case 'p':
xml_file = "-";
break;
case 'Q':
quiet = TRUE;
break;
case 'L':
xml_file = NULL;
break;
case 'x':
xml_file = optarg;
break;
case 'u':
modified++;
node_up = g_list_append(node_up, optarg);
break;
case 'd':
modified++;
node_down = g_list_append(node_down, optarg);
break;
case 'f':
modified++;
node_fail = g_list_append(node_fail, optarg);
break;
case 't':
use_date = strdup(optarg);
break;
case 'i':
modified++;
op_inject = g_list_append(op_inject, optarg);
break;
case 'F':
process = TRUE;
simulate = TRUE;
op_fail = g_list_append(op_fail, optarg);
break;
case 'q':
modified++;
quorum = optarg;
break;
case 'g':
modified++;
ticket_grant = g_list_append(ticket_grant, optarg);
break;
case 'r':
modified++;
ticket_revoke = g_list_append(ticket_revoke, optarg);
break;
case 'b':
modified++;
ticket_standby = g_list_append(ticket_standby, optarg);
break;
case 'e':
modified++;
ticket_activate = g_list_append(ticket_activate, optarg);
break;
case 'a':
all_actions = TRUE;
break;
case 's':
process = TRUE;
show_scores = TRUE;
break;
case 'U':
process = TRUE;
show_utilization = TRUE;
break;
case 'S':
process = TRUE;
simulate = TRUE;
break;
case 'X':
store = TRUE;
process = TRUE;
simulate = TRUE;
break;
case 'R':
process = TRUE;
break;
case 'D':
process = TRUE;
dot_file = optarg;
break;
case 'G':
process = TRUE;
graph_file = optarg;
break;
case 'I':
input_file = optarg;
break;
case 'O':
output_file = optarg;
break;
case 'P':
test_dir = optarg;
break;
default:
++argerr;
break;
}
}
if (optind > argc) {
++argerr;
}
if (argerr) {
crm_help('?', EX_USAGE);
}
if(test_dir != NULL) {
return profile_all(test_dir);
}
setup_input(xml_file, store ? xml_file : output_file);
global_cib = cib_new();
global_cib->cmds->signon(global_cib, crm_system_name, cib_command);
set_working_set_defaults(&data_set);
if (data_set.now != NULL) {
quiet_log(" + Setting effective cluster time: %s", use_date);
log_date(LOG_WARNING, "Set fake 'now' to", data_set.now, ha_log_date | ha_log_time);
}
rc = global_cib->cmds->query(global_cib, NULL, &input, cib_sync_call | cib_scope_local);
CRM_ASSERT(rc == pcmk_ok);
data_set.input = input;
data_set.now = get_date();
cluster_status(&data_set);
if (quiet == FALSE) {
quiet_log("\nCurrent cluster status:\n");
print_cluster_status(&data_set);
}
if (modified) {
quiet_log("Performing requested modifications\n");
modify_configuration(&data_set, quorum, node_up, node_down, node_fail, op_inject,
ticket_grant, ticket_revoke, ticket_standby, ticket_activate);
rc = global_cib->cmds->query(global_cib, NULL, &input, cib_sync_call);
if (rc != pcmk_ok) {
fprintf(stderr, "Could not connect to the CIB for input: %s\n", pcmk_strerror(rc));
goto done;
}
cleanup_alloc_calculations(&data_set);
data_set.now = get_date();
data_set.input = input;
}
if (input_file != NULL) {
rc = write_xml_file(input, input_file, FALSE);
if (rc < 0) {
fprintf(stderr, "Could not create '%s': %s\n", input_file, strerror(errno));
goto done;
}
}
rc = 0;
if (process || simulate) {
ha_time_t *local_date = NULL;
if (show_scores && show_utilization) {
printf("Allocation scores and utilization information:\n");
} else if (show_scores) {
fprintf(stdout, "Allocation scores:\n");
} else if (show_utilization) {
printf("Utilization information:\n");
}
do_calculations(&data_set, input, local_date);
input = NULL; /* Don't try and free it twice */
if (graph_file != NULL) {
char *msg_buffer = dump_xml_formatted(data_set.graph);
FILE *graph_strm = fopen(graph_file, "w");
if (graph_strm == NULL) {
crm_perror(LOG_ERR, "Could not open %s for writing", graph_file);
} else {
if (fprintf(graph_strm, "%s\n\n", msg_buffer) < 0) {
crm_perror(LOG_ERR, "Write to %s failed", graph_file);
}
fflush(graph_strm);
fclose(graph_strm);
}
free(msg_buffer);
}
if (dot_file != NULL) {
create_dotfile(&data_set, dot_file, all_actions);
}
if (quiet == FALSE) {
GListPtr gIter = NULL;
quiet_log("%sTransition Summary:\n", show_scores || show_utilization
|| modified ? "\n" : "");
fflush(stdout);
for (gIter = data_set.resources; gIter != NULL; gIter = gIter->next) {
resource_t *rsc = (resource_t *) gIter->data;
LogActions(rsc, &data_set, TRUE);
}
}
}
if (simulate) {
rc = run_simulation(&data_set);
}
done:
cleanup_alloc_calculations(&data_set);
global_cib->cmds->signoff(global_cib);
cib_delete(global_cib);
free(use_date);
crm_xml_cleanup();
fflush(stderr);
qb_log_fini();
return rc;
}

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