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lrm.c
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/*
* Copyright (C) 2004 Andrew Beekhof <[email protected]>
*
* 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 <sys/types.h>
#include <sys/wait.h>
#include <crm/crm.h>
#include <crm/cib.h>
#include <crm/msg_xml.h>
#include <crm/common/xml.h>
#include <crmd.h>
#include <crmd_fsa.h>
#include <crmd_messages.h>
#include <crmd_callbacks.h>
#include <crmd_lrm.h>
#include <lrm/lrm_api.h>
#include <lrm/raexec.h>
#define START_DELAY_THRESHOLD 5 * 60 * 1000
typedef struct resource_history_s {
char *id;
lrm_rsc_t rsc;
lrm_op_t *last;
lrm_op_t *failed;
GList *recurring_op_list;
} rsc_history_t;
struct recurring_op_s {
char *rsc_id;
char *op_key;
int call_id;
int interval;
gboolean remove;
gboolean cancelled;
};
struct pending_deletion_op_s {
char *rsc;
ha_msg_input_t *input;
};
struct delete_event_s {
int rc;
const char *rsc;
};
GHashTable *resource_history = NULL;
GHashTable *pending_ops = NULL;
GHashTable *deletion_ops = NULL;
GCHSource *lrm_source = NULL;
int num_lrm_register_fails = 0;
int max_lrm_register_fails = 30;
gboolean populate_history_cache(void);
gboolean process_lrm_event(lrm_op_t * op);
gboolean is_rsc_active(const char *rsc_id);
gboolean build_active_RAs(xmlNode * rsc_list);
static gboolean stop_recurring_actions(gpointer key, gpointer value, gpointer user_data);
static int delete_rsc_status(const char *rsc_id, int call_options, const char *user_name);
lrm_op_t *construct_op(xmlNode * rsc_op, const char *rsc_id, const char *operation);
void do_lrm_rsc_op(lrm_rsc_t * rsc, const char *operation, xmlNode * msg, xmlNode * request);
void send_direct_ack(const char *to_host, const char *to_sys,
lrm_rsc_t * rsc, lrm_op_t * op, const char *rsc_id);
void
lrm_connection_destroy(gpointer user_data)
{
if (is_set(fsa_input_register, R_LRM_CONNECTED)) {
crm_crit("LRM Connection failed");
register_fsa_input(C_FSA_INTERNAL, I_ERROR, NULL);
clear_bit_inplace(fsa_input_register, R_LRM_CONNECTED);
} else {
crm_info("LRM Connection disconnected");
}
lrm_source = NULL;
}
static void
free_deletion_op(gpointer value)
{
struct pending_deletion_op_s *op = value;
crm_free(op->rsc);
delete_ha_msg_input(op->input);
crm_free(op);
}
static void
free_recurring_op(gpointer value)
{
struct recurring_op_s *op = (struct recurring_op_s *)value;
crm_free(op->rsc_id);
crm_free(op->op_key);
crm_free(op);
}
static char *
make_stop_id(const char *rsc, int call_id)
{
char *op_id = NULL;
crm_malloc0(op_id, strlen(rsc) + 34);
if (op_id != NULL) {
snprintf(op_id, strlen(rsc) + 34, "%s:%d", rsc, call_id);
}
return op_id;
}
static void
dup_attr(gpointer key, gpointer value, gpointer user_data)
{
g_hash_table_replace(user_data, crm_strdup(key), crm_strdup(value));
}
static void
history_cache_destroy(gpointer data)
{
rsc_history_t *entry = data;
crm_free(entry->rsc.type);
crm_free(entry->rsc.class);
crm_free(entry->rsc.provider);
free_lrm_op(entry->failed);
free_lrm_op(entry->last);
crm_free(entry->id);
crm_free(entry);
}
static void
update_history_cache(lrm_rsc_t * rsc, lrm_op_t * op)
{
int target_rc = 0;
rsc_history_t *entry = NULL;
#ifdef HAVE_LRM_OP_T_RSC_DELETED
if (op->rsc_deleted) {
crm_debug("Purged history for '%s' after %s", op->rsc_id, op->op_type);
delete_rsc_status(op->rsc_id, cib_quorum_override, NULL);
return;
}
#endif
if (safe_str_eq(op->op_type, RSC_NOTIFY)) {
return;
}
crm_debug("Appending %s op to history for '%s'", op->op_type, op->rsc_id);
entry = g_hash_table_lookup(resource_history, op->rsc_id);
if (entry == NULL && rsc) {
crm_malloc0(entry, sizeof(rsc_history_t));
entry->id = crm_strdup(op->rsc_id);
g_hash_table_insert(resource_history, entry->id, entry);
entry->rsc.id = entry->id;
entry->rsc.type = crm_strdup(rsc->type);
entry->rsc.class = crm_strdup(rsc->class);
if (rsc->provider) {
entry->rsc.provider = crm_strdup(rsc->provider);
} else {
entry->rsc.provider = NULL;
}
} else if (entry == NULL) {
crm_info("Resource %s no longer exists, not updating cache", op->rsc_id);
return;
}
target_rc = rsc_op_expected_rc(op);
if (op->op_status == LRM_OP_CANCELLED) {
crm_trace("Skipping %s_%s_%d rc=%d, status=%d", op->rsc_id, op->op_type, op->interval,
op->rc, op->op_status);
} else if (did_rsc_op_fail(op, target_rc)) {
/* We must store failed monitors here
* - otherwise the block below will cause them to be forgetten them when a stop happens
*/
if (entry->failed) {
free_lrm_op(entry->failed);
}
entry->failed = copy_lrm_op(op);
} else if (op->interval == 0) {
if (entry->last) {
free_lrm_op(entry->last);
}
entry->last = copy_lrm_op(op);
}
if (op->interval > 0) {
crm_trace("Adding recurring op: %s_%s_%d", op->rsc_id, op->op_type, op->interval);
entry->recurring_op_list = g_list_prepend(entry->recurring_op_list, copy_lrm_op(op));
} else if (entry->recurring_op_list && safe_str_eq(op->op_type, RSC_STATUS) == FALSE) {
GList *gIter = entry->recurring_op_list;
crm_trace("Dropping %d recurring ops because of: %s_%s_%d",
g_list_length(gIter), op->rsc_id, op->op_type, op->interval);
for (; gIter != NULL; gIter = gIter->next) {
free_lrm_op(gIter->data);
}
g_list_free(entry->recurring_op_list);
entry->recurring_op_list = NULL;
}
}
/* A_LRM_CONNECT */
void
do_lrm_control(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state,
enum crmd_fsa_input current_input, fsa_data_t * msg_data)
{
if (fsa_lrm_conn == NULL) {
register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
return;
}
if (action & A_LRM_DISCONNECT) {
if (verify_stopped(cur_state, LOG_INFO) == FALSE) {
crmd_fsa_stall(NULL);
return;
}
if (is_set(fsa_input_register, R_LRM_CONNECTED)) {
clear_bit_inplace(fsa_input_register, R_LRM_CONNECTED);
fsa_lrm_conn->lrm_ops->signoff(fsa_lrm_conn);
crm_info("Disconnected from the LRM");
}
/* TODO: Clean up the hashtable */
}
if (action & A_LRM_CONNECT) {
int ret = HA_OK;
deletion_ops = g_hash_table_new_full(crm_str_hash, g_str_equal,
g_hash_destroy_str, free_deletion_op);
pending_ops = g_hash_table_new_full(crm_str_hash, g_str_equal,
g_hash_destroy_str, free_recurring_op);
resource_history = g_hash_table_new_full(crm_str_hash, g_str_equal,
NULL, history_cache_destroy);
if (ret == HA_OK) {
crm_debug("Connecting to the LRM");
ret = fsa_lrm_conn->lrm_ops->signon(fsa_lrm_conn, CRM_SYSTEM_CRMD);
}
if (ret != HA_OK) {
if (++num_lrm_register_fails < max_lrm_register_fails) {
crm_warn("Failed to sign on to the LRM %d"
" (%d max) times", num_lrm_register_fails, max_lrm_register_fails);
crm_timer_start(wait_timer);
crmd_fsa_stall(NULL);
return;
}
}
if (ret == HA_OK) {
crm_debug_4("LRM: set_lrm_callback...");
ret = fsa_lrm_conn->lrm_ops->set_lrm_callback(fsa_lrm_conn, lrm_op_callback);
if (ret != HA_OK) {
crm_err("Failed to set LRM callbacks");
}
}
if (ret != HA_OK) {
crm_err("Failed to sign on to the LRM %d" " (max) times", num_lrm_register_fails);
register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL);
return;
}
populate_history_cache();
/* TODO: create a destroy handler that causes
* some recovery to happen
*/
lrm_source = G_main_add_IPC_Channel(G_PRIORITY_LOW,
fsa_lrm_conn->lrm_ops->ipcchan(fsa_lrm_conn),
FALSE, lrm_dispatch, fsa_lrm_conn,
lrm_connection_destroy);
set_bit_inplace(fsa_input_register, R_LRM_CONNECTED);
crm_debug("LRM connection established");
}
if (action & ~(A_LRM_CONNECT | A_LRM_DISCONNECT)) {
crm_err("Unexpected action %s in %s", fsa_action2string(action), __FUNCTION__);
}
}
static void
ghash_print_pending(gpointer key, gpointer value, gpointer user_data)
{
const char *stop_id = key;
int *log_level = user_data;
struct recurring_op_s *pending = value;
do_crm_log(*log_level, "Pending action: %s (%s)", stop_id, pending->op_key);
}
static void
ghash_print_pending_for_rsc(gpointer key, gpointer value, gpointer user_data)
{
const char *stop_id = key;
char *rsc = user_data;
struct recurring_op_s *pending = value;
if (safe_str_eq(rsc, pending->rsc_id)) {
do_crm_log(LOG_NOTICE, "%sction %s (%s) incomplete at shutdown",
pending->interval == 0 ? "A" : "Recurring a", stop_id, pending->op_key);
}
}
static void
ghash_count_pending(gpointer key, gpointer value, gpointer user_data)
{
int *counter = user_data;
struct recurring_op_s *pending = value;
if (pending->interval > 0) {
/* Ignore recurring actions in the shutdown calculations */
return;
}
(*counter)++;
}
gboolean
verify_stopped(enum crmd_fsa_state cur_state, int log_level)
{
int counter = 0;
gboolean rc = TRUE;
GHashTableIter gIter;
rsc_history_t *entry = NULL;
crm_debug("Checking for active resources before exit");
if (cur_state == S_TERMINATE) {
log_level = LOG_ERR;
}
if (pending_ops) {
if (is_set(fsa_input_register, R_LRM_CONNECTED)) {
/* Only log/complain about non-recurring actions */
g_hash_table_foreach_remove(pending_ops, stop_recurring_actions, NULL);
}
g_hash_table_foreach(pending_ops, ghash_count_pending, &counter);
}
if (counter > 0) {
rc = FALSE;
do_crm_log(log_level,
"%d pending LRM operations at shutdown%s",
counter, cur_state == S_TERMINATE ? "" : "... waiting");
if (cur_state == S_TERMINATE || !is_set(fsa_input_register, R_SENT_RSC_STOP)) {
g_hash_table_foreach(pending_ops, ghash_print_pending, &log_level);
}
goto bail;
}
if (resource_history == NULL) {
goto bail;
}
g_hash_table_iter_init(&gIter, resource_history);
while (g_hash_table_iter_next(&gIter, NULL, (void **)&entry)) {
if (is_rsc_active(entry->id) == FALSE) {
continue;
}
crm_err("Resource %s was active at shutdown."
" You may ignore this error if it is unmanaged.", entry->id);
g_hash_table_foreach(pending_ops, ghash_print_pending_for_rsc, entry->id);
}
bail:
set_bit_inplace(fsa_input_register, R_SENT_RSC_STOP);
if (cur_state == S_TERMINATE) {
rc = TRUE;
}
return rc;
}
static char *
get_rsc_metadata(const char *type, const char *class, const char *provider)
{
char *metadata = NULL;
CRM_CHECK(type != NULL, return NULL);
CRM_CHECK(class != NULL, return NULL);
if (provider == NULL) {
provider = "heartbeat";
}
crm_debug_2("Retreiving metadata for %s::%s:%s", type, class, provider);
metadata = fsa_lrm_conn->lrm_ops->get_rsc_type_metadata(fsa_lrm_conn, class, type, provider);
if (metadata) {
/* copy the metadata because the LRM likes using
* g_alloc instead of cl_malloc
*/
char *m_copy = crm_strdup(metadata);
g_free(metadata);
metadata = m_copy;
} else {
crm_warn("No metadata found for %s::%s:%s", type, class, provider);
}
return metadata;
}
typedef struct reload_data_s {
char *key;
char *metadata;
time_t last_query;
gboolean can_reload;
GListPtr restart_list;
} reload_data_t;
static void
g_hash_destroy_reload(gpointer data)
{
reload_data_t *reload = data;
crm_free(reload->key);
crm_free(reload->metadata);
slist_basic_destroy(reload->restart_list);
crm_free(reload);
}
GHashTable *reload_hash = NULL;
static GListPtr
get_rsc_restart_list(lrm_rsc_t * rsc, lrm_op_t * op)
{
int len = 0;
char *key = NULL;
char *copy = NULL;
const char *value = NULL;
const char *provider = NULL;
xmlNode *param = NULL;
xmlNode *params = NULL;
xmlNode *actions = NULL;
xmlNode *metadata = NULL;
time_t now = time(NULL);
reload_data_t *reload = NULL;
if (reload_hash == NULL) {
reload_hash = g_hash_table_new_full(crm_str_hash, g_str_equal, NULL, g_hash_destroy_reload);
}
provider = rsc->provider;
if (provider == NULL) {
provider = "heartbeat";
}
len = strlen(rsc->type) + strlen(rsc->class) + strlen(provider) + 4;
crm_malloc(key, len);
snprintf(key, len, "%s::%s:%s", rsc->type, rsc->class, provider);
reload = g_hash_table_lookup(reload_hash, key);
if (reload && ((now - 9) > reload->last_query)
&& safe_str_eq(op->op_type, RSC_START)) {
reload = NULL; /* re-query */
}
if (reload == NULL) {
xmlNode *action = NULL;
crm_malloc0(reload, sizeof(reload_data_t));
g_hash_table_replace(reload_hash, key, reload);
reload->last_query = now;
reload->key = key;
key = NULL;
reload->metadata = get_rsc_metadata(rsc->type, rsc->class, provider);
metadata = string2xml(reload->metadata);
if (metadata == NULL) {
crm_err("Metadata for %s::%s:%s is not valid XML",
rsc->provider, rsc->class, rsc->type);
goto cleanup;
}
actions = find_xml_node(metadata, "actions", TRUE);
for (action = __xml_first_child(actions); action != NULL; action = __xml_next(action)) {
if (crm_str_eq((const char *)action->name, "action", TRUE)) {
value = crm_element_value(action, "name");
if (safe_str_eq("reload", value)) {
reload->can_reload = TRUE;
break;
}
}
}
if (reload->can_reload == FALSE) {
goto cleanup;
}
params = find_xml_node(metadata, "parameters", TRUE);
for (param = __xml_first_child(params); param != NULL; param = __xml_next(param)) {
if (crm_str_eq((const char *)param->name, "parameter", TRUE)) {
value = crm_element_value(param, "unique");
if (crm_is_true(value)) {
value = crm_element_value(param, "name");
if (value == NULL) {
crm_err("%s: NULL param", key);
continue;
}
crm_debug("Attr %s is not reloadable", value);
copy = crm_strdup(value);
CRM_CHECK(copy != NULL, continue);
reload->restart_list = g_list_append(reload->restart_list, copy);
}
}
}
}
cleanup:
crm_free(key);
free_xml(metadata);
return reload ? reload->restart_list : NULL;
}
static void
append_restart_list(lrm_rsc_t * rsc, lrm_op_t * op, xmlNode * update, const char *version)
{
int len = 0;
char *list = NULL;
char *digest = NULL;
const char *value = NULL;
gboolean non_empty = FALSE;
xmlNode *restart = NULL;
GListPtr restart_list = NULL;
GListPtr lpc = NULL;
if (op->interval > 0) {
/* monitors are not reloadable */
return;
} else if (op->params == NULL) {
crm_debug("%s has no parameters", ID(update));
return;
} else if (rsc == NULL) {
return;
} else if (crm_str_eq(CRMD_ACTION_STOP, op->op_type, TRUE)) {
/* Stopped resources don't need to be reloaded */
return;
} else if (compare_version("1.0.8", version) > 0) {
/* Caller version does not support reloads */
return;
}
restart_list = get_rsc_restart_list(rsc, op);
if (restart_list == NULL) {
/* Resource does not support reloads */
return;
}
restart = create_xml_node(NULL, XML_TAG_PARAMS);
for (lpc = restart_list; lpc != NULL; lpc = lpc->next) {
const char *param = (const char *)lpc->data;
int start = len;
CRM_CHECK(param != NULL, continue);
value = g_hash_table_lookup(op->params, param);
if (value != NULL) {
non_empty = TRUE;
crm_xml_add(restart, param, value);
}
len += strlen(param) + 2;
crm_realloc(list, len + 1);
sprintf(list + start, " %s ", param);
}
digest = calculate_operation_digest(restart, version);
crm_xml_add(update, XML_LRM_ATTR_OP_RESTART, list);
crm_xml_add(update, XML_LRM_ATTR_RESTART_DIGEST, digest);
#if 0
crm_debug("%s: %s, %s", rsc->id, digest, list);
if (non_empty) {
crm_log_xml_debug(restart, "restart digest source");
}
#endif
free_xml(restart);
crm_free(digest);
crm_free(list);
}
static gboolean
build_operation_update(xmlNode * parent, lrm_rsc_t * rsc, lrm_op_t * op, const char *src)
{
int target_rc = 0;
xmlNode *xml_op = NULL;
const char *caller_version = CRM_FEATURE_SET;
if (op == NULL) {
return FALSE;
} else if (AM_I_DC) {
} else if (fsa_our_dc_version != NULL) {
caller_version = fsa_our_dc_version;
} else if (op->params == NULL) {
caller_version = fsa_our_dc_version;
} else {
/* there is a small risk in formerly mixed clusters that
* it will be sub-optimal.
* however with our upgrade policy, the update we send
* should still be completely supported anyway
*/
caller_version = g_hash_table_lookup(op->params, XML_ATTR_CRM_VERSION);
crm_warn("Falling back to operation originator version: %s", caller_version);
}
target_rc = rsc_op_expected_rc(op);
xml_op = create_operation_update(parent, op, caller_version, target_rc, src, LOG_DEBUG);
if (xml_op) {
append_restart_list(rsc, op, xml_op, caller_version);
}
return TRUE;
}
gboolean
is_rsc_active(const char *rsc_id)
{
rsc_history_t *entry = NULL;
crm_debug_3("Processing lrm_rsc_t entry %s", rsc_id);
entry = g_hash_table_lookup(resource_history, rsc_id);
if (entry == NULL || entry->last == NULL) {
return FALSE;
}
if (entry->last->rc == EXECRA_OK && safe_str_eq(entry->last->op_type, CRMD_ACTION_STOP)) {
return FALSE;
} else if (entry->last->rc == EXECRA_OK
&& safe_str_eq(entry->last->op_type, CRMD_ACTION_MIGRATE)) {
/* a stricter check is too complex...
* leave that to the PE
*/
return FALSE;
} else if (entry->last->rc == EXECRA_NOT_RUNNING) {
return FALSE;
}
return TRUE;
}
gboolean
build_active_RAs(xmlNode * rsc_list)
{
GHashTableIter iter;
rsc_history_t *entry = NULL;
g_hash_table_iter_init(&iter, resource_history);
while (g_hash_table_iter_next(&iter, NULL, (void **)&entry)) {
GList *gIter = NULL;
xmlNode *xml_rsc = create_xml_node(rsc_list, XML_LRM_TAG_RESOURCE);
crm_xml_add(xml_rsc, XML_ATTR_ID, entry->id);
crm_xml_add(xml_rsc, XML_ATTR_TYPE, entry->rsc.type);
crm_xml_add(xml_rsc, XML_AGENT_ATTR_CLASS, entry->rsc.class);
crm_xml_add(xml_rsc, XML_AGENT_ATTR_PROVIDER, entry->rsc.provider);
build_operation_update(xml_rsc, &(entry->rsc), entry->last, __FUNCTION__);
build_operation_update(xml_rsc, &(entry->rsc), entry->failed, __FUNCTION__);
for (gIter = entry->recurring_op_list; gIter != NULL; gIter = gIter->next) {
build_operation_update(xml_rsc, &(entry->rsc), gIter->data, __FUNCTION__);
}
}
return FALSE;
}
gboolean
populate_history_cache(void)
{
GListPtr gIter = NULL;
GListPtr gIter2 = NULL;
GList *op_list = NULL;
GList *rsc_list = NULL;
state_flag_t cur_state = 0;
rsc_list = fsa_lrm_conn->lrm_ops->get_all_rscs(fsa_lrm_conn);
for (gIter = rsc_list; gIter != NULL; gIter = gIter->next) {
char *rid = (char *)gIter->data;
int max_call_id = -1;
lrm_rsc_t *rsc = fsa_lrm_conn->lrm_ops->get_rsc(fsa_lrm_conn, rid);
if (rsc == NULL) {
crm_err("NULL resource returned from the LRM: %s", rid);
continue;
}
op_list = rsc->ops->get_cur_state(rsc, &cur_state);
for (gIter2 = op_list; gIter2 != NULL; gIter2 = gIter2->next) {
lrm_op_t *op = (lrm_op_t *) gIter2->data;
if (max_call_id < op->call_id) {
update_history_cache(rsc, op);
} else if (max_call_id > op->call_id) {
crm_err("Bad call_id in list=%d. Previous call_id=%d", op->call_id, max_call_id);
} else {
crm_warn("lrm->get_cur_state() returned"
" duplicate entries for call_id=%d", op->call_id);
}
max_call_id = op->call_id;
lrm_free_op(op);
}
g_list_free(op_list);
lrm_free_rsc(rsc);
free(rid);
}
g_list_free(rsc_list);
return TRUE;
}
xmlNode *
do_lrm_query(gboolean is_replace)
{
gboolean shut_down = FALSE;
xmlNode *xml_result = NULL;
xmlNode *xml_state = NULL;
xmlNode *xml_data = NULL;
xmlNode *rsc_list = NULL;
const char *exp_state = CRMD_STATE_ACTIVE;
if (is_set(fsa_input_register, R_SHUTDOWN)) {
exp_state = CRMD_STATE_INACTIVE;
shut_down = TRUE;
}
xml_state = create_node_state(fsa_our_uname, ACTIVESTATUS, XML_BOOLEAN_TRUE,
ONLINESTATUS, CRMD_JOINSTATE_MEMBER, exp_state,
!shut_down, __FUNCTION__);
xml_data = create_xml_node(xml_state, XML_CIB_TAG_LRM);
crm_xml_add(xml_data, XML_ATTR_ID, fsa_our_uuid);
rsc_list = create_xml_node(xml_data, XML_LRM_TAG_RESOURCES);
/* Build a list of active (not always running) resources */
build_active_RAs(rsc_list);
xml_result = create_cib_fragment(xml_state, XML_CIB_TAG_STATUS);
crm_log_xml_debug_3(xml_state, "Current state of the LRM");
free_xml(xml_state);
return xml_result;
}
static void
notify_deleted(ha_msg_input_t * input, const char *rsc_id, int rc)
{
lrm_op_t *op = NULL;
const char *from_sys = crm_element_value(input->msg, F_CRM_SYS_FROM);
const char *from_host = crm_element_value(input->msg, F_CRM_HOST_FROM);
crm_info("Notifying %s on %s that %s was%s deleted",
from_sys, from_host, rsc_id, rc == HA_OK ? "" : " not");
op = construct_op(input->xml, rsc_id, CRMD_ACTION_DELETE);
CRM_ASSERT(op != NULL);
if (rc == HA_OK) {
op->op_status = LRM_OP_DONE;
op->rc = EXECRA_OK;
} else {
op->op_status = LRM_OP_ERROR;
op->rc = EXECRA_UNKNOWN_ERROR;
}
send_direct_ack(from_host, from_sys, NULL, op, rsc_id);
free_lrm_op(op);
if (safe_str_neq(from_sys, CRM_SYSTEM_TENGINE)) {
/* this isn't expected - trigger a new transition */
time_t now = time(NULL);
char *now_s = crm_itoa(now);
crm_debug("Triggering a refresh after %s deleted %s from the LRM", from_sys, rsc_id);
update_attr(fsa_cib_conn, cib_none, XML_CIB_TAG_CRMCONFIG,
NULL, NULL, NULL, NULL, "last-lrm-refresh", now_s, FALSE);
crm_free(now_s);
}
}
static gboolean
lrm_remove_deleted_rsc(gpointer key, gpointer value, gpointer user_data)
{
struct delete_event_s *event = user_data;
struct pending_deletion_op_s *op = value;
if (safe_str_eq(event->rsc, op->rsc)) {
notify_deleted(op->input, event->rsc, event->rc);
return TRUE;
}
return FALSE;
}
static gboolean
lrm_remove_deleted_op(gpointer key, gpointer value, gpointer user_data)
{
const char *rsc = user_data;
struct recurring_op_s *pending = value;
if (safe_str_eq(rsc, pending->rsc_id)) {
crm_info("Removing op %s:%d for deleted resource %s",
pending->op_key, pending->call_id, rsc);
return TRUE;
}
return FALSE;
}
/*
* Remove the rsc from the CIB
*
* Avoids refreshing the entire LRM section of this host
*/
#define rsc_template "//"XML_CIB_TAG_STATE"[@uname='%s']//"XML_LRM_TAG_RESOURCE"[@id='%s']"
static int
delete_rsc_status(const char *rsc_id, int call_options, const char *user_name)
{
char *rsc_xpath = NULL;
int max = 0;
int rc = cib_ok;
CRM_CHECK(rsc_id != NULL, return cib_id_check);
max = strlen(rsc_template) + strlen(rsc_id) + strlen(fsa_our_uname) + 1;
crm_malloc0(rsc_xpath, max);
snprintf(rsc_xpath, max, rsc_template, fsa_our_uname, rsc_id);
rc = fsa_cib_conn->cmds->delegated_variant_op(fsa_cib_conn, CIB_OP_DELETE, NULL, rsc_xpath,
NULL, NULL, call_options | cib_xpath, user_name);
crm_free(rsc_xpath);
return rc;
}
static void
delete_rsc_entry(ha_msg_input_t * input, const char *rsc_id, int rc, const char *user_name)
{
struct delete_event_s event;
CRM_CHECK(rsc_id != NULL, return);
if (rc == HA_OK) {
char *rsc_id_copy = crm_strdup(rsc_id);
g_hash_table_remove(resource_history, rsc_id);
crm_debug("sync: Sending delete op for %s", rsc_id);
delete_rsc_status(rsc_id, cib_quorum_override, user_name);
g_hash_table_foreach_remove(pending_ops, lrm_remove_deleted_op, rsc_id_copy);
crm_free(rsc_id_copy);
}
if (input) {
notify_deleted(input, rsc_id, rc);
}
event.rc = rc;
event.rsc = rsc_id;
g_hash_table_foreach_remove(deletion_ops, lrm_remove_deleted_rsc, &event);
}
/*
* Remove the op from the CIB
*
* Avoids refreshing the entire LRM section of this host
*/
#define op_template "//"XML_CIB_TAG_STATE"[@uname='%s']//"XML_LRM_TAG_RESOURCE"[@id='%s']/"XML_LRM_TAG_RSC_OP"[@id='%s']"
#define op_call_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']"
void
delete_op_entry(lrm_op_t * op, const char *rsc_id, const char *key, int call_id)
{
xmlNode *xml_top = NULL;
if (op != NULL) {
xml_top = create_xml_node(NULL, XML_LRM_TAG_RSC_OP);
crm_xml_add_int(xml_top, XML_LRM_ATTR_CALLID, op->call_id);
crm_xml_add(xml_top, XML_ATTR_TRANSITION_KEY, op->user_data);
if(op->interval > 0) {
/* Avoid deleting last_failure too (if it was a result of this recurring op failing) */
crm_xml_add(xml_top, XML_ATTR_ID, op->user_data);
}
crm_debug("async: Sending delete op for %s_%s_%d (call=%d)",
op->rsc_id, op->op_type, op->interval, op->call_id);
fsa_cib_conn->cmds->delete(fsa_cib_conn, XML_CIB_TAG_STATUS, xml_top, cib_quorum_override);
} else if (rsc_id != NULL && key != NULL) {
int max = 0;
char *op_xpath = NULL;
if (call_id > 0) {
max =
strlen(op_call_template) + strlen(rsc_id) + strlen(fsa_our_uname) + strlen(key) +
10;
crm_malloc0(op_xpath, max);
snprintf(op_xpath, max, op_call_template, fsa_our_uname, rsc_id, key, call_id);
} else {
max = strlen(op_template) + strlen(rsc_id) + strlen(fsa_our_uname) + strlen(key) + 1;
crm_malloc0(op_xpath, max);
snprintf(op_xpath, max, op_template, fsa_our_uname, rsc_id, key);
}
crm_debug("sync: Sending delete op for %s (call=%d)", rsc_id, call_id);
fsa_cib_conn->cmds->delete(fsa_cib_conn, op_xpath, NULL, cib_quorum_override | cib_xpath);
crm_free(op_xpath);
} else {
crm_err("Not enough information to delete op entry: rsc=%p key=%p", rsc_id, key);
return;
}
crm_log_xml_debug_2(xml_top, "op:cancel");
free_xml(xml_top);
}
static gboolean
cancel_op(lrm_rsc_t * rsc, const char *key, int op, gboolean remove)
{
int rc = HA_OK;
struct recurring_op_s *pending = NULL;
CRM_CHECK(op != 0, return FALSE);
CRM_CHECK(rsc != NULL, return FALSE);
if (key == NULL) {
key = make_stop_id(rsc->id, op);
}