/* 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;
}
/* 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;
}
/* handles a service that has stopped flapping */
void clear_service_flap(service *svc, double percent_change, double high_threshold, double low_threshold)
{
if (svc == NULL)
return;
log_debug_info(DEBUGL_FLAPPING, 1, "Service '%s' on host '%s' stopped flapping.\n", svc->description, svc->host_name);
/* log a notice - this one is parsed by the history CGI */
nm_log(NSLOG_INFO_MESSAGE, "SERVICE FLAPPING ALERT: %s;%s;STOPPED; Service appears to have stopped flapping (%2.1f%% change < %2.1f%% threshold)\n", svc->host_name, svc->description, percent_change, low_threshold);
/* delete the comment we added earlier */
if (svc->flapping_comment_id != 0)
delete_service_comment(svc->flapping_comment_id);
svc->flapping_comment_id = 0;
/* clear the flapping indicator */
svc->is_flapping = FALSE;
broker_flapping_data(NEBTYPE_FLAPPING_STOP, NEBFLAG_NONE, NEBATTR_FLAPPING_STOP_NORMAL, SERVICE_FLAPPING, svc, percent_change, high_threshold, low_threshold);
/* send a notification */
service_notification(svc, NOTIFICATION_FLAPPINGSTOP, NULL, NULL, NOTIFICATION_OPTION_NONE);
/* should we send a recovery notification? */
if (svc->check_flapping_recovery_notification == TRUE && svc->current_state == STATE_OK)
service_notification(svc, NOTIFICATION_NORMAL, NULL, NULL, NOTIFICATION_OPTION_NONE);
/* clear the recovery notification flag */
svc->check_flapping_recovery_notification = FALSE;
return;
}
/* 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 service when flap detection is disabled (globally or per-service) */
void handle_service_flap_detection_disabled(service *svc)
{
log_debug_info(DEBUGL_FUNCTIONS, 0, "handle_service_flap_detection_disabled()\n");
if (svc == NULL)
return;
/* if the service was flapping, remove the flapping indicator */
if (svc->is_flapping == TRUE) {
svc->is_flapping = FALSE;
/* delete the original comment we added earlier */
if (svc->flapping_comment_id != 0)
delete_service_comment(svc->flapping_comment_id);
svc->flapping_comment_id = 0;
/* log a notice - this one is parsed by the history CGI */
logit(NSLOG_INFO_MESSAGE, FALSE, "SERVICE FLAPPING ALERT: %s;%s;DISABLED; Flap detection has been disabled\n", svc->host_name, svc->description);
#ifdef USE_EVENT_BROKER
/* send data to event broker */
broker_flapping_data(NEBTYPE_FLAPPING_STOP, NEBFLAG_NONE, NEBATTR_FLAPPING_STOP_DISABLED, SERVICE_FLAPPING, svc, svc->percent_state_change, 0.0, 0.0, NULL);
#endif
/* send a notification */
service_notification(svc, NOTIFICATION_FLAPPINGDISABLED, NULL, NULL, NOTIFICATION_OPTION_NONE);
/* should we send a recovery notification? */
if (svc->check_flapping_recovery_notification == TRUE && svc->current_state == STATE_OK)
service_notification(svc, NOTIFICATION_NORMAL, NULL, NULL, NOTIFICATION_OPTION_NONE);
/* clear the recovery notification flag */
svc->check_flapping_recovery_notification = FALSE;
}
/* update service status */
update_service_status(svc, 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 service that is flapping */
void set_service_flap(service *svc, double percent_change, double high_threshold, double low_threshold, int allow_flapstart_notification) {
char *temp_buffer = NULL;
log_debug_info(DEBUGL_FUNCTIONS, 0, "set_service_flap()\n");
if(svc == NULL)
return;
log_debug_info(DEBUGL_FLAPPING, 1, "Service '%s' on host '%s' started flapping!\n", svc->description, svc->host_name);
/* log a notice - this one is parsed by the history CGI */
logit(NSLOG_RUNTIME_WARNING, FALSE, "SERVICE FLAPPING ALERT: %s;%s;STARTED; Service appears to have started flapping (%2.1f%% change >= %2.1f%% threshold)\n", svc->host_name, svc->description, percent_change, high_threshold);
if (svc->flapping_comment_id == 0) {
/* add a non-persistent comment to the service */
asprintf(&temp_buffer, "Notifications for this service are being suppressed because it was detected as having been flapping between different states (%2.1f%% change >= %2.1f%% threshold). When the service state stabilizes and the flapping stops, notifications will be re-enabled.", percent_change, high_threshold);
add_new_service_comment(FLAPPING_COMMENT, svc->host_name, svc->description, time(NULL), "(Nagios Process)", temp_buffer, 0, COMMENTSOURCE_INTERNAL, FALSE, (time_t)0, &(svc->flapping_comment_id));
my_free(temp_buffer);
}
/* set the flapping indicator */
svc->is_flapping = TRUE;
#ifdef USE_EVENT_BROKER
/* send data to event broker */
broker_flapping_data(NEBTYPE_FLAPPING_START, NEBFLAG_NONE, NEBATTR_NONE, SERVICE_FLAPPING, svc, percent_change, high_threshold, low_threshold, NULL);
#endif
/* see if we should check to send a recovery notification out when flapping stops */
if(svc->current_state != STATE_OK && svc->current_notification_number > 0)
svc->check_flapping_recovery_notification = TRUE;
else
svc->check_flapping_recovery_notification = FALSE;
/* send a notification */
if(allow_flapstart_notification == TRUE)
service_notification(svc, NOTIFICATION_FLAPPINGSTART, NULL, NULL, NOTIFICATION_OPTION_NONE);
return;
}
/* 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;
}
/* handles a service that is flapping */
void set_service_flap(service *svc, double percent_change, double high_threshold, double low_threshold, int allow_flapstart_notification) {
char *temp_buffer = NULL;
log_debug_info(DEBUGL_FUNCTIONS, 0, "set_service_flap()\n");
if (svc == NULL)
return;
log_debug_info(DEBUGL_FLAPPING, 1, "Service '%s' on host '%s' started flapping!\n", svc->description, svc->host_name);
/* log a notice - this one is parsed by the history CGI */
logit(NSLOG_RUNTIME_WARNING, FALSE, "服务抖动警告: %s;%s;开始; 服务似乎已经开始抖动 (%2.1f%% 变化 >= %2.1f%% 阙值)\n", svc->host_name, svc->description, percent_change, high_threshold);
/* add a non-persistent comment to the service */
dummy = asprintf(&temp_buffer, "取消该服务的通知,因为它已被检测为不同状态间的抖动 (%2.1f%% 变化 >= %2.1f%% 阙值). 当服务状态稳定和抖动停止,将重新启用通知.", percent_change, high_threshold);
add_new_service_comment(FLAPPING_COMMENT, svc->host_name, svc->description, time(NULL), "(Icinga 进程)", temp_buffer, 0, COMMENTSOURCE_INTERNAL, FALSE, (time_t)0, &(svc->flapping_comment_id));
my_free(temp_buffer);
/* set the flapping indicator */
svc->is_flapping = TRUE;
#ifdef USE_EVENT_BROKER
/* send data to event broker */
broker_flapping_data(NEBTYPE_FLAPPING_START, NEBFLAG_NONE, NEBATTR_NONE, SERVICE_FLAPPING, svc, percent_change, high_threshold, low_threshold, NULL);
#endif
/* see if we should check to send a recovery notification out when flapping stops */
if (svc->current_state != STATE_OK && svc->current_notification_number > 0)
svc->check_flapping_recovery_notification = TRUE;
else
svc->check_flapping_recovery_notification = FALSE;
/* send a notification */
if (allow_flapstart_notification == TRUE)
service_notification(svc, NOTIFICATION_FLAPPINGSTART, NULL, NULL, NOTIFICATION_OPTION_NONE);
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;
}
/* handles a service that has stopped flapping */
void clear_service_flap(service *svc, double percent_change, double high_threshold, double low_threshold) {
log_debug_info(DEBUGL_FUNCTIONS, 0, "clear_service_flap()\n");
if (svc == NULL)
return;
log_debug_info(DEBUGL_FLAPPING, 1, "Service '%s' on host '%s' stopped flapping.\n", svc->description, svc->host_name);
/* log a notice - this one is parsed by the history CGI */
logit(NSLOG_INFO_MESSAGE, FALSE, "服务抖动警告: %s;%s;停止; 服务似乎已经停止抖动 (%2.1f%% 变化 < %2.1f%% 阙值)\n", svc->host_name, svc->description, percent_change, low_threshold);
/* delete the comment we added earlier */
if (svc->flapping_comment_id != 0)
delete_service_comment(svc->flapping_comment_id);
svc->flapping_comment_id = 0;
/* clear the flapping indicator */
svc->is_flapping = FALSE;
#ifdef USE_EVENT_BROKER
/* send data to event broker */
broker_flapping_data(NEBTYPE_FLAPPING_STOP, NEBFLAG_NONE, NEBATTR_FLAPPING_STOP_NORMAL, SERVICE_FLAPPING, svc, percent_change, high_threshold, low_threshold, NULL);
#endif
/* send a notification */
service_notification(svc, NOTIFICATION_FLAPPINGSTOP, NULL, NULL, NOTIFICATION_OPTION_NONE);
/* should we send a recovery notification? */
if (svc->check_flapping_recovery_notification == TRUE && svc->current_state == STATE_OK)
service_notification(svc, NOTIFICATION_NORMAL, NULL, NULL, NOTIFICATION_OPTION_NONE);
/* clear the recovery notification flag */
svc->check_flapping_recovery_notification = FALSE;
return;
}