/* handles a host that is flapping */
void set_host_flap(host *hst, double percent_change, double high_threshold, double low_threshold)
{
char *temp_buffer = NULL;
if (hst == NULL)
return;
log_debug_info(DEBUGL_FLAPPING, 1, "Host '%s' started flapping!\n", hst->name);
/* log a notice - this one is parsed by the history CGI */
nm_log(NSLOG_RUNTIME_WARNING, "HOST FLAPPING ALERT: %s;STARTED; Host appears to have started flapping (%2.1f%% change > %2.1f%% threshold)\n", hst->name, percent_change, high_threshold);
/* add a non-persistent comment to the host */
nm_asprintf(&temp_buffer, "Notifications for this host are being suppressed because it was detected as having been flapping between different states (%2.1f%% change > %2.1f%% threshold). When the host state stabilizes and the flapping stops, notifications will be re-enabled.", percent_change, high_threshold);
add_new_host_comment(FLAPPING_COMMENT, hst->name, time(NULL), "(Naemon Process)", temp_buffer, 0, COMMENTSOURCE_INTERNAL, FALSE, (time_t)0, &(hst->flapping_comment_id));
nm_free(temp_buffer);
/* set the flapping indicator */
hst->is_flapping = TRUE;
broker_flapping_data(NEBTYPE_FLAPPING_START, NEBFLAG_NONE, NEBATTR_NONE, HOST_FLAPPING, hst, percent_change, high_threshold, low_threshold);
/* see if we should check to send a recovery notification out when flapping stops */
if (hst->current_state != STATE_UP && hst->current_notification_number > 0)
hst->check_flapping_recovery_notification = TRUE;
else
hst->check_flapping_recovery_notification = FALSE;
/* send a notification */
host_notification(hst, NOTIFICATION_FLAPPINGSTART, NULL, NULL, NOTIFICATION_OPTION_NONE);
return;
}
/* adds a new host or service comment */
int add_new_comment(int type, int entry_type, char *host_name, char *svc_description, time_t entry_time, char *author_name, char *comment_data, int persistent, int source, int expires, time_t expire_time, unsigned long *comment_id) {
int result;
unsigned long new_comment_id = 0L;
if(type == HOST_COMMENT)
result = add_new_host_comment(entry_type, host_name, entry_time, author_name, comment_data, persistent, source, expires, expire_time, &new_comment_id);
else
result = add_new_service_comment(entry_type, host_name, svc_description, entry_time, author_name, comment_data, persistent, source, expires, expire_time, &new_comment_id);
/* add an event to expire comment data if necessary... */
if(expires == TRUE)
schedule_new_event(EVENT_EXPIRE_COMMENT, FALSE, expire_time, FALSE, 0, NULL, TRUE, (void *)new_comment_id, NULL, 0);
/* save comment id */
if(comment_id != NULL)
*comment_id = new_comment_id;
return result;
}
/* handles a host that is flapping */
void set_host_flap(host *hst, double percent_change, double high_threshold, double low_threshold, int allow_flapstart_notification) {
char *temp_buffer = NULL;
log_debug_info(DEBUGL_FUNCTIONS, 0, "set_host_flap()\n");
if (hst == NULL)
return;
log_debug_info(DEBUGL_FLAPPING, 1, "主机 '%s' 已开始抖动!\n", hst->name);
/* log a notice - this one is parsed by the history CGI */
logit(NSLOG_RUNTIME_WARNING, FALSE, "主机抖动警告: %s;开始; 主机似乎已经开始抖动 (%2.1f%% 变化 > %2.1f%% 阙值)\n", hst->name, percent_change, high_threshold);
/* add a non-persistent comment to the host */
dummy = asprintf(&temp_buffer, "Notifications for this host are being suppressed because it was detected as having been flapping between different states (%2.1f%% change > %2.1f%% threshold). When the host state stabilizes and the flapping stops, notifications will be re-enabled.", percent_change, high_threshold);
add_new_host_comment(FLAPPING_COMMENT, hst->name, time(NULL), "(Icinga Process)", temp_buffer, 0, COMMENTSOURCE_INTERNAL, FALSE, (time_t)0, &(hst->flapping_comment_id));
my_free(temp_buffer);
/* set the flapping indicator */
hst->is_flapping = TRUE;
#ifdef USE_EVENT_BROKER
/* send data to event broker */
broker_flapping_data(NEBTYPE_FLAPPING_START, NEBFLAG_NONE, NEBATTR_NONE, HOST_FLAPPING, hst, percent_change, high_threshold, low_threshold, NULL);
#endif
/* see if we should check to send a recovery notification out when flapping stops */
if (hst->current_state != HOST_UP && hst->current_notification_number > 0)
hst->check_flapping_recovery_notification = TRUE;
else
hst->check_flapping_recovery_notification = FALSE;
/* send a notification */
if (allow_flapstart_notification == TRUE)
host_notification(hst, NOTIFICATION_FLAPPINGSTART, NULL, NULL, NOTIFICATION_OPTION_NONE);
return;
}
