/* handles a host that has stopped flapping */
void clear_host_flap(host *hst, double percent_change, double high_threshold, double low_threshold)
{
if (hst == NULL)
return;
log_debug_info(DEBUGL_FLAPPING, 1, "Host '%s' stopped flapping.\n", hst->name);
/* log a notice - this one is parsed by the history CGI */
nm_log(NSLOG_INFO_MESSAGE, "HOST FLAPPING ALERT: %s;STOPPED; Host appears to have stopped flapping (%2.1f%% change < %2.1f%% threshold)\n", hst->name, percent_change, low_threshold);
/* delete the comment we added earlier */
if (hst->flapping_comment_id != 0)
delete_host_comment(hst->flapping_comment_id);
hst->flapping_comment_id = 0;
/* clear the flapping indicator */
hst->is_flapping = FALSE;
broker_flapping_data(NEBTYPE_FLAPPING_STOP, NEBFLAG_NONE, NEBATTR_FLAPPING_STOP_NORMAL, HOST_FLAPPING, hst, percent_change, high_threshold, low_threshold);
/* send a notification */
host_notification(hst, NOTIFICATION_FLAPPINGSTOP, NULL, NULL, NOTIFICATION_OPTION_NONE);
/* should we send a recovery notification? */
if (hst->check_flapping_recovery_notification == TRUE && hst->current_state == STATE_UP)
host_notification(hst, NOTIFICATION_NORMAL, NULL, NULL, NOTIFICATION_OPTION_NONE);
/* clear the recovery notification flag */
hst->check_flapping_recovery_notification = FALSE;
return;
}
/* deletes a scheduled host or service downtime entry from the list in memory */
int delete_downtime(int type, unsigned long downtime_id) {
scheduled_downtime *this_downtime = NULL;
/* find the downtime we should remove */
this_downtime = find_downtime(type, downtime_id);
if(!this_downtime)
return ERROR;
downtime_remove(this_downtime);
/* first remove the comment associated with this downtime */
if(this_downtime->type == HOST_DOWNTIME)
delete_host_comment(this_downtime->comment_id);
else
delete_service_comment(this_downtime->comment_id);
#ifdef USE_EVENT_BROKER
/* send data to event broker */
broker_downtime_data(NEBTYPE_DOWNTIME_DELETE, NEBFLAG_NONE, NEBATTR_NONE, type, this_downtime->host_name, this_downtime->service_description, this_downtime->entry_time, this_downtime->author, this_downtime->comment, this_downtime->start_time, this_downtime->end_time, this_downtime->fixed, this_downtime->triggered_by, this_downtime->duration, downtime_id, NULL);
#endif
/* free memory */
my_free(this_downtime->host_name);
my_free(this_downtime->service_description);
my_free(this_downtime->author);
my_free(this_downtime->comment);
my_free(this_downtime);
return OK;
}
/* deletes a scheduled host or service downtime entry from the list in memory */
int delete_downtime(int type, unsigned long downtime_id) {
int result = OK;
scheduled_downtime *this_downtime = NULL;
scheduled_downtime *last_downtime = NULL;
scheduled_downtime *next_downtime = NULL;
#ifdef NSCORE
pthread_mutex_lock(&icinga_downtime_lock);
#endif
/* find the downtime we should remove */
for (this_downtime = scheduled_downtime_list, last_downtime = scheduled_downtime_list; this_downtime != NULL; this_downtime = next_downtime) {
next_downtime = this_downtime->next;
/* we found the downtime we should delete */
if (this_downtime->downtime_id == downtime_id && this_downtime->type == type)
break;
last_downtime = this_downtime;
}
/* remove the downtime from the list in memory */
if (this_downtime != NULL) {
/* first remove the comment associated with this downtime */
if (this_downtime->type == HOST_DOWNTIME)
delete_host_comment(this_downtime->comment_id);
else
delete_service_comment(this_downtime->comment_id);
#ifdef USE_EVENT_BROKER
/* send data to event broker */
broker_downtime_data(NEBTYPE_DOWNTIME_DELETE, NEBFLAG_NONE, NEBATTR_NONE, type, this_downtime->host_name, this_downtime->service_description, this_downtime->entry_time, this_downtime->author, this_downtime->comment, this_downtime->start_time, this_downtime->end_time, this_downtime->fixed, this_downtime->triggered_by, this_downtime->duration, downtime_id, NULL, this_downtime->is_in_effect, this_downtime->trigger_time);
#endif
if (scheduled_downtime_list == this_downtime)
scheduled_downtime_list = this_downtime->next;
else
last_downtime->next = next_downtime;
/* free memory */
my_free(this_downtime->host_name);
my_free(this_downtime->service_description);
my_free(this_downtime->author);
my_free(this_downtime->comment);
my_free(this_downtime);
result = OK;
} else
result = ERROR;
#ifdef NSCORE
pthread_mutex_unlock(&icinga_downtime_lock);
#endif
return result;
}
/* handles a host that has stopped flapping */
void clear_host_flap(host *hst, double percent_change, double high_threshold, double low_threshold, int is_disabled) {
log_debug_info(DEBUGL_FUNCTIONS, 0, "clear_host_flap()\n");
if(hst == NULL)
return;
if (is_disabled == 0) {
log_debug_info(DEBUGL_FLAPPING, 1, "Host '%s' stopped flapping.\n", hst->name);
/* log a notice - this one is parsed by the history CGI */
logit(NSLOG_INFO_MESSAGE, FALSE, "HOST FLAPPING ALERT: %s;STOPPED; Host appears to have stopped flapping (%2.1f%% change < %2.1f%% threshold)\n", hst->name, percent_change, low_threshold);
} else {
log_debug_info(DEBUGL_FLAPPING, 1, "Disabled flap detection for host '%s'.\n", hst->name);
/* log a notice - this one is parsed by the history CGI */
logit(NSLOG_INFO_MESSAGE, FALSE, "HOST FLAPPING ALERT: %s;STOPPED; Disabled flap detection\n", hst->name);
}
/* delete the comment we added earlier */
if(hst->flapping_comment_id != 0)
delete_host_comment(hst->flapping_comment_id);
hst->flapping_comment_id = 0;
/* clear the flapping indicator */
hst->is_flapping = FALSE;
#ifdef USE_EVENT_BROKER
/* send data to event broker */
broker_flapping_data(NEBTYPE_FLAPPING_STOP, NEBFLAG_NONE, NEBATTR_FLAPPING_STOP_NORMAL, HOST_FLAPPING, hst, percent_change, high_threshold, low_threshold, NULL);
#endif
if (is_disabled == 0) {
/* send a notification */
host_notification(hst, NOTIFICATION_FLAPPINGSTOP, NULL, NULL, NOTIFICATION_OPTION_NONE);
/* should we send a recovery notification? */
if(hst->check_flapping_recovery_notification == TRUE && hst->current_state == HOST_UP)
host_notification(hst, NOTIFICATION_NORMAL, NULL, NULL, NOTIFICATION_OPTION_NONE);
}
/* clear the recovery notification flag */
hst->check_flapping_recovery_notification = FALSE;
return;
}
/* handles the details for a host when flap detection is disabled (globally or per-host) */
void handle_host_flap_detection_disabled(host *hst)
{
log_debug_info(DEBUGL_FUNCTIONS, 0, "handle_host_flap_detection_disabled()\n");
if (hst == NULL)
return;
/* if the host was flapping, remove the flapping indicator */
if (hst->is_flapping == TRUE) {
hst->is_flapping = FALSE;
/* delete the original comment we added earlier */
if (hst->flapping_comment_id != 0)
delete_host_comment(hst->flapping_comment_id);
hst->flapping_comment_id = 0;
/* log a notice - this one is parsed by the history CGI */
logit(NSLOG_INFO_MESSAGE, FALSE, "HOST FLAPPING ALERT: %s;DISABLED; Flap detection has been disabled\n", hst->name);
#ifdef USE_EVENT_BROKER
/* send data to event broker */
broker_flapping_data(NEBTYPE_FLAPPING_STOP, NEBFLAG_NONE, NEBATTR_FLAPPING_STOP_DISABLED, HOST_FLAPPING, hst, hst->percent_state_change, 0.0, 0.0, NULL);
#endif
/* send a notification */
host_notification(hst, NOTIFICATION_FLAPPINGDISABLED, NULL, NULL, NOTIFICATION_OPTION_NONE);
/* should we send a recovery notification? */
if (hst->check_flapping_recovery_notification == TRUE && hst->current_state == HOST_UP)
host_notification(hst, NOTIFICATION_NORMAL, NULL, NULL, NOTIFICATION_OPTION_NONE);
/* clear the recovery notification flag */
hst->check_flapping_recovery_notification = FALSE;
}
/* update host status */
update_host_status(hst, FALSE);
return;
}
/* handles a host that has stopped flapping */
void clear_host_flap(host *hst, double percent_change, double high_threshold, double low_threshold) {
log_debug_info(DEBUGL_FUNCTIONS, 0, "clear_host_flap()\n");
if (hst == NULL)
return;
log_debug_info(DEBUGL_FLAPPING, 1, "主机 '%s' 已停止抖动.\n", hst->name);
/* log a notice - this one is parsed by the history CGI */
logit(NSLOG_INFO_MESSAGE, FALSE, "主机抖动警告: %s;停止; 主机似乎已经停止抖动 (%2.1f%% 变化 < %2.1f%% 阙值)\n", hst->name, percent_change, low_threshold);
/* delete the comment we added earlier */
if (hst->flapping_comment_id != 0)
delete_host_comment(hst->flapping_comment_id);
hst->flapping_comment_id = 0;
/* clear the flapping indicator */
hst->is_flapping = FALSE;
#ifdef USE_EVENT_BROKER
/* send data to event broker */
broker_flapping_data(NEBTYPE_FLAPPING_STOP, NEBFLAG_NONE, NEBATTR_FLAPPING_STOP_NORMAL, HOST_FLAPPING, hst, percent_change, high_threshold, low_threshold, NULL);
#endif
/* send a notification */
host_notification(hst, NOTIFICATION_FLAPPINGSTOP, NULL, NULL, NOTIFICATION_OPTION_NONE);
/* should we send a recovery notification? */
if (hst->check_flapping_recovery_notification == TRUE && hst->current_state == HOST_UP)
host_notification(hst, NOTIFICATION_NORMAL, NULL, NULL, NOTIFICATION_OPTION_NONE);
/* clear the recovery notification flag */
hst->check_flapping_recovery_notification = FALSE;
return;
}
