diff options
Diffstat (limited to 'health/health.c')
| -rw-r--r-- | health/health.c | 670 |
1 files changed, 335 insertions, 335 deletions
diff --git a/health/health.c b/health/health.c index 55bd7284..1ee1a372 100644 --- a/health/health.c +++ b/health/health.c @@ -235,15 +235,15 @@ static inline void health_alarm_execute(RRDHOST *host, ALARM_ENTRY *ae) { const char *exec = (ae->exec) ? ae->exec : host->health_default_exec; const char *recipient = (ae->recipient) ? ae->recipient : host->health_default_recipient; - int n_warn=0, n_crit=0; - RRDCALC *rc; + int n_warn=0, n_crit=0; + RRDCALC *rc; EVAL_EXPRESSION *expr=NULL; - for(rc = host->alarms; rc ; rc = rc->next) { - if(unlikely(!rc->rrdset || !rc->rrdset->last_collected_time.tv_sec)) - continue; + for(rc = host->alarms; rc ; rc = rc->next) { + if(unlikely(!rc->rrdset || !rc->rrdset->last_collected_time.tv_sec)) + continue; - if(unlikely(rc->status == RRDCALC_STATUS_WARNING)) { + if(unlikely(rc->status == RRDCALC_STATUS_WARNING)) { n_warn++; if (ae->alarm_id == rc->id) expr=rc->warning; @@ -254,8 +254,8 @@ static inline void health_alarm_execute(RRDHOST *host, ALARM_ENTRY *ae) { } else if (unlikely(rc->status == RRDCALC_STATUS_CLEAR)) { if (ae->alarm_id == rc->id) expr=rc->warning; - } - } + } + } snprintfz(command_to_run, ALARM_EXEC_COMMAND_LENGTH, "exec %s '%s' '%s' '%u' '%u' '%u' '%lu' '%s' '%s' '%s' '%s' '%s' '" CALCULATED_NUMBER_FORMAT_ZERO "' '" CALCULATED_NUMBER_FORMAT_ZERO "' '%s' '%u' '%u' '%s' '%s' '%s' '%s' '%s' '%s' '%d' '%d'", exec, @@ -467,7 +467,7 @@ static void health_main_cleanup(void *ptr) { } SILENCE_TYPE check_silenced(RRDCALC *rc, char* host, SILENCERS *silencers) { - SILENCER *s; + SILENCER *s; debug(D_HEALTH, "Checking if alarm was silenced via the command API. Alarm info name:%s context:%s chart:%s host:%s family:%s", rc->name, (rc->rrdset)?rc->rrdset->context:"", rc->chart, host, (rc->rrdset)?rc->rrdset->family:""); @@ -509,32 +509,32 @@ SILENCE_TYPE check_silenced(RRDCALC *rc, char* host, SILENCERS *silencers) { * @return It returns 1 case rrdcalc_flags is DISABLED or 0 otherwise */ int update_disabled_silenced(RRDHOST *host, RRDCALC *rc) { - uint32_t rrdcalc_flags_old = rc->rrdcalc_flags; - // Clear the flags - rc->rrdcalc_flags &= ~(RRDCALC_FLAG_DISABLED | RRDCALC_FLAG_SILENCED); - if (unlikely(silencers->all_alarms)) { - if (silencers->stype == STYPE_DISABLE_ALARMS) rc->rrdcalc_flags |= RRDCALC_FLAG_DISABLED; - else if (silencers->stype == STYPE_SILENCE_NOTIFICATIONS) rc->rrdcalc_flags |= RRDCALC_FLAG_SILENCED; - } else { - SILENCE_TYPE st = check_silenced(rc, host->hostname, silencers); - if (st == STYPE_DISABLE_ALARMS) rc->rrdcalc_flags |= RRDCALC_FLAG_DISABLED; - else if (st == STYPE_SILENCE_NOTIFICATIONS) rc->rrdcalc_flags |= RRDCALC_FLAG_SILENCED; - } - - if (rrdcalc_flags_old != rc->rrdcalc_flags) { - info("Alarm silencing changed for host '%s' alarm '%s': Disabled %s->%s Silenced %s->%s", - host->hostname, - rc->name, - (rrdcalc_flags_old & RRDCALC_FLAG_DISABLED)?"true":"false", - (rc->rrdcalc_flags & RRDCALC_FLAG_DISABLED)?"true":"false", - (rrdcalc_flags_old & RRDCALC_FLAG_SILENCED)?"true":"false", - (rc->rrdcalc_flags & RRDCALC_FLAG_SILENCED)?"true":"false" - ); - } - if (rc->rrdcalc_flags & RRDCALC_FLAG_DISABLED) - return 1; - else - return 0; + uint32_t rrdcalc_flags_old = rc->rrdcalc_flags; + // Clear the flags + rc->rrdcalc_flags &= ~(RRDCALC_FLAG_DISABLED | RRDCALC_FLAG_SILENCED); + if (unlikely(silencers->all_alarms)) { + if (silencers->stype == STYPE_DISABLE_ALARMS) rc->rrdcalc_flags |= RRDCALC_FLAG_DISABLED; + else if (silencers->stype == STYPE_SILENCE_NOTIFICATIONS) rc->rrdcalc_flags |= RRDCALC_FLAG_SILENCED; + } else { + SILENCE_TYPE st = check_silenced(rc, host->hostname, silencers); + if (st == STYPE_DISABLE_ALARMS) rc->rrdcalc_flags |= RRDCALC_FLAG_DISABLED; + else if (st == STYPE_SILENCE_NOTIFICATIONS) rc->rrdcalc_flags |= RRDCALC_FLAG_SILENCED; + } + + if (rrdcalc_flags_old != rc->rrdcalc_flags) { + info("Alarm silencing changed for host '%s' alarm '%s': Disabled %s->%s Silenced %s->%s", + host->hostname, + rc->name, + (rrdcalc_flags_old & RRDCALC_FLAG_DISABLED)?"true":"false", + (rc->rrdcalc_flags & RRDCALC_FLAG_DISABLED)?"true":"false", + (rrdcalc_flags_old & RRDCALC_FLAG_SILENCED)?"true":"false", + (rc->rrdcalc_flags & RRDCALC_FLAG_SILENCED)?"true":"false" + ); + } + if (rc->rrdcalc_flags & RRDCALC_FLAG_DISABLED) + return 1; + else + return 0; } /** @@ -557,290 +557,290 @@ void *health_main(void *ptr) { unsigned int loop = 0; while(!netdata_exit) { - loop++; - debug(D_HEALTH, "Health monitoring iteration no %u started", loop); + loop++; + debug(D_HEALTH, "Health monitoring iteration no %u started", loop); + + int runnable = 0, apply_hibernation_delay = 0; + time_t next_run = now + min_run_every; + RRDCALC *rc; + + if (unlikely(check_if_resumed_from_suspention())) { + apply_hibernation_delay = 1; + + info("Postponing alarm checks for %ld seconds, because it seems that the system was just resumed from suspension.", + hibernation_delay + ); + } + + if (unlikely(silencers->all_alarms && silencers->stype == STYPE_DISABLE_ALARMS)) { + static int logged=0; + if (!logged) { + info("Skipping health checks, because all alarms are disabled via a %s command.", + HEALTH_CMDAPI_CMD_DISABLEALL); + logged = 1; + } + } + + rrd_rdlock(); + + RRDHOST *host; + rrdhost_foreach_read(host) { + if (unlikely(!host->health_enabled)) + continue; + + if (unlikely(apply_hibernation_delay)) { + + info("Postponing health checks for %ld seconds, on host '%s'.", hibernation_delay, host->hostname + ); + + host->health_delay_up_to = now + hibernation_delay; + } + + if (unlikely(host->health_delay_up_to)) { + if (unlikely(now < host->health_delay_up_to)) + continue; + + info("Resuming health checks on host '%s'.", host->hostname); + host->health_delay_up_to = 0; + } + + rrdhost_rdlock(host); + + // the first loop is to lookup values from the db + for (rc = host->alarms; rc; rc = rc->next) { + + if (update_disabled_silenced(host, rc)) + continue; + + if (unlikely(!rrdcalc_isrunnable(rc, now, &next_run))) { + if (unlikely(rc->rrdcalc_flags & RRDCALC_FLAG_RUNNABLE)) + rc->rrdcalc_flags &= ~RRDCALC_FLAG_RUNNABLE; + continue; + } + + runnable++; + rc->old_value = rc->value; + rc->rrdcalc_flags |= RRDCALC_FLAG_RUNNABLE; + + // ------------------------------------------------------------ + // if there is database lookup, do it + + if (unlikely(RRDCALC_HAS_DB_LOOKUP(rc))) { + /* time_t old_db_timestamp = rc->db_before; */ + int value_is_null = 0; + + int ret = rrdset2value_api_v1(rc->rrdset, NULL, &rc->value, rc->dimensions, 1, rc->after, + rc->before, rc->group, 0, rc->options, &rc->db_after, + &rc->db_before, &value_is_null + ); + + if (unlikely(ret != 200)) { + // database lookup failed + rc->value = NAN; + rc->rrdcalc_flags |= RRDCALC_FLAG_DB_ERROR; + + debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': database lookup returned error %d", + host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, ret + ); + } else + rc->rrdcalc_flags &= ~RRDCALC_FLAG_DB_ERROR; + + /* - RRDCALC_FLAG_DB_STALE not currently used + if (unlikely(old_db_timestamp == rc->db_before)) { + // database is stale + + debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': database is stale", host->hostname, rc->chart?rc->chart:"NOCHART", rc->name); + + if (unlikely(!(rc->rrdcalc_flags & RRDCALC_FLAG_DB_STALE))) { + rc->rrdcalc_flags |= RRDCALC_FLAG_DB_STALE; + error("Health on host '%s', alarm '%s.%s': database is stale", host->hostname, rc->chart?rc->chart:"NOCHART", rc->name); + } + } + else if (unlikely(rc->rrdcalc_flags & RRDCALC_FLAG_DB_STALE)) + rc->rrdcalc_flags &= ~RRDCALC_FLAG_DB_STALE; + */ + + if (unlikely(value_is_null)) { + // collected value is null + rc->value = NAN; + rc->rrdcalc_flags |= RRDCALC_FLAG_DB_NAN; + + debug(D_HEALTH, + "Health on host '%s', alarm '%s.%s': database lookup returned empty value (possibly value is not collected yet)", + host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name + ); + } else + rc->rrdcalc_flags &= ~RRDCALC_FLAG_DB_NAN; + + debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': database lookup gave value " + CALCULATED_NUMBER_FORMAT, host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, + rc->value + ); + } + + // ------------------------------------------------------------ + // if there is calculation expression, run it + + if (unlikely(rc->calculation)) { + if (unlikely(!expression_evaluate(rc->calculation))) { + // calculation failed + rc->value = NAN; + rc->rrdcalc_flags |= RRDCALC_FLAG_CALC_ERROR; + + debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': expression '%s' failed: %s", + host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, + rc->calculation->parsed_as, buffer_tostring(rc->calculation->error_msg) + ); + } else { + rc->rrdcalc_flags &= ~RRDCALC_FLAG_CALC_ERROR; - int runnable = 0, apply_hibernation_delay = 0; - time_t next_run = now + min_run_every; - RRDCALC *rc; - - if (unlikely(check_if_resumed_from_suspention())) { - apply_hibernation_delay = 1; - - info("Postponing alarm checks for %ld seconds, because it seems that the system was just resumed from suspension.", - hibernation_delay - ); - } - - if (unlikely(silencers->all_alarms && silencers->stype == STYPE_DISABLE_ALARMS)) { - static int logged=0; - if (!logged) { - info("Skipping health checks, because all alarms are disabled via a %s command.", - HEALTH_CMDAPI_CMD_DISABLEALL); - logged = 1; - } - } - - rrd_rdlock(); - - RRDHOST *host; - rrdhost_foreach_read(host) { - if (unlikely(!host->health_enabled)) - continue; - - if (unlikely(apply_hibernation_delay)) { - - info("Postponing health checks for %ld seconds, on host '%s'.", hibernation_delay, host->hostname - ); - - host->health_delay_up_to = now + hibernation_delay; - } - - if (unlikely(host->health_delay_up_to)) { - if (unlikely(now < host->health_delay_up_to)) - continue; - - info("Resuming health checks on host '%s'.", host->hostname); - host->health_delay_up_to = 0; - } - - rrdhost_rdlock(host); - - // the first loop is to lookup values from the db - for (rc = host->alarms; rc; rc = rc->next) { - - if (update_disabled_silenced(host, rc)) - continue; - - if (unlikely(!rrdcalc_isrunnable(rc, now, &next_run))) { - if (unlikely(rc->rrdcalc_flags & RRDCALC_FLAG_RUNNABLE)) - rc->rrdcalc_flags &= ~RRDCALC_FLAG_RUNNABLE; - continue; - } - - runnable++; - rc->old_value = rc->value; - rc->rrdcalc_flags |= RRDCALC_FLAG_RUNNABLE; - - // ------------------------------------------------------------ - // if there is database lookup, do it - - if (unlikely(RRDCALC_HAS_DB_LOOKUP(rc))) { - /* time_t old_db_timestamp = rc->db_before; */ - int value_is_null = 0; - - int ret = rrdset2value_api_v1(rc->rrdset, NULL, &rc->value, rc->dimensions, 1, rc->after, - rc->before, rc->group, 0, rc->options, &rc->db_after, - &rc->db_before, &value_is_null - ); - - if (unlikely(ret != 200)) { - // database lookup failed - rc->value = NAN; - rc->rrdcalc_flags |= RRDCALC_FLAG_DB_ERROR; - - debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': database lookup returned error %d", - host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, ret - ); - } else - rc->rrdcalc_flags &= ~RRDCALC_FLAG_DB_ERROR; - - /* - RRDCALC_FLAG_DB_STALE not currently used - if (unlikely(old_db_timestamp == rc->db_before)) { - // database is stale - - debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': database is stale", host->hostname, rc->chart?rc->chart:"NOCHART", rc->name); - - if (unlikely(!(rc->rrdcalc_flags & RRDCALC_FLAG_DB_STALE))) { - rc->rrdcalc_flags |= RRDCALC_FLAG_DB_STALE; - error("Health on host '%s', alarm '%s.%s': database is stale", host->hostname, rc->chart?rc->chart:"NOCHART", rc->name); - } - } - else if (unlikely(rc->rrdcalc_flags & RRDCALC_FLAG_DB_STALE)) - rc->rrdcalc_flags &= ~RRDCALC_FLAG_DB_STALE; - */ - - if (unlikely(value_is_null)) { - // collected value is null - rc->value = NAN; - rc->rrdcalc_flags |= RRDCALC_FLAG_DB_NAN; - - debug(D_HEALTH, - "Health on host '%s', alarm '%s.%s': database lookup returned empty value (possibly value is not collected yet)", - host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name - ); - } else - rc->rrdcalc_flags &= ~RRDCALC_FLAG_DB_NAN; - - debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': database lookup gave value " - CALCULATED_NUMBER_FORMAT, host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, - rc->value - ); - } - - // ------------------------------------------------------------ - // if there is calculation expression, run it - - if (unlikely(rc->calculation)) { - if (unlikely(!expression_evaluate(rc->calculation))) { - // calculation failed - rc->value = NAN; - rc->rrdcalc_flags |= RRDCALC_FLAG_CALC_ERROR; - - debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': expression '%s' failed: %s", - host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, - rc->calculation->parsed_as, buffer_tostring(rc->calculation->error_msg) - ); - } else { - rc->rrdcalc_flags &= ~RRDCALC_FLAG_CALC_ERROR; - - debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': expression '%s' gave value " - CALCULATED_NUMBER_FORMAT - ": %s (source: %s)", host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, - rc->calculation->parsed_as, rc->calculation->result, - buffer_tostring(rc->calculation->error_msg), rc->source - ); - - rc->value = rc->calculation->result; - - if (rc->local) rc->local->last_updated = now; - if (rc->family) rc->family->last_updated = now; - if (rc->hostid) rc->hostid->last_updated = now; - if (rc->hostname) rc->hostname->last_updated = now; - } - } - } - - rrdhost_unlock(host); - - if (unlikely(runnable && !netdata_exit)) { - rrdhost_rdlock(host); - - for (rc = host->alarms; rc; rc = rc->next) { - if (unlikely(!(rc->rrdcalc_flags & RRDCALC_FLAG_RUNNABLE))) - continue; - - if (rc->rrdcalc_flags & RRDCALC_FLAG_DISABLED) { - continue; - } - RRDCALC_STATUS warning_status = RRDCALC_STATUS_UNDEFINED; - RRDCALC_STATUS critical_status = RRDCALC_STATUS_UNDEFINED; - - // -------------------------------------------------------- - // check the warning expression - - if (likely(rc->warning)) { - if (unlikely(!expression_evaluate(rc->warning))) { - // calculation failed - rc->rrdcalc_flags |= RRDCALC_FLAG_WARN_ERROR; - - debug(D_HEALTH, - "Health on host '%s', alarm '%s.%s': warning expression failed with error: %s", - host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, - buffer_tostring(rc->warning->error_msg) - ); - } else { - rc->rrdcalc_flags &= ~RRDCALC_FLAG_WARN_ERROR; - debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': warning expression gave value " - CALCULATED_NUMBER_FORMAT - ": %s (source: %s)", host->hostname, rc->chart ? rc->chart : "NOCHART", - rc->name, rc->warning->result, buffer_tostring(rc->warning->error_msg), rc->source - ); - warning_status = rrdcalc_value2status(rc->warning->result); - } - } - - // -------------------------------------------------------- - // check the critical expression - - if (likely(rc->critical)) { - if (unlikely(!expression_evaluate(rc->critical))) { - // calculation failed - rc->rrdcalc_flags |= RRDCALC_FLAG_CRIT_ERROR; - - debug(D_HEALTH, - "Health on host '%s', alarm '%s.%s': critical expression failed with error: %s", - host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, - buffer_tostring(rc->critical->error_msg) - ); - } else { - rc->rrdcalc_flags &= ~RRDCALC_FLAG_CRIT_ERROR; - debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': critical expression gave value " - CALCULATED_NUMBER_FORMAT - ": %s (source: %s)", host->hostname, rc->chart ? rc->chart : "NOCHART", - rc->name, rc->critical->result, buffer_tostring(rc->critical->error_msg), - rc->source - ); - critical_status = rrdcalc_value2status(rc->critical->result); - } - } - - // -------------------------------------------------------- - // decide the final alarm status - - RRDCALC_STATUS status = RRDCALC_STATUS_UNDEFINED; - - switch (warning_status) { - case RRDCALC_STATUS_CLEAR: - status = RRDCALC_STATUS_CLEAR; - break; - - case RRDCALC_STATUS_RAISED: - status = RRDCALC_STATUS_WARNING; - break; - - default: - break; - } - - switch (critical_status) { - case RRDCALC_STATUS_CLEAR: - if (status == RRDCALC_STATUS_UNDEFINED) - status = RRDCALC_STATUS_CLEAR; - break; - - case RRDCALC_STATUS_RAISED: - status = RRDCALC_STATUS_CRITICAL; - break; - - default: - break; - } - - // -------------------------------------------------------- - // check if the new status and the old differ - - if (status != rc->status) { - int delay = 0; - - // apply trigger hysteresis - - if (now > rc->delay_up_to_timestamp) { - rc->delay_up_current = rc->delay_up_duration; - rc->delay_down_current = rc->delay_down_duration; - rc->delay_last = 0; - rc->delay_up_to_timestamp = 0; - } else { - rc->delay_up_current = (int) (rc->delay_up_current * rc->delay_multiplier); - if (rc->delay_up_current > rc->delay_max_duration) - rc->delay_up_current = rc->delay_max_duration; - - rc->delay_down_current = (int) (rc->delay_down_current * rc->delay_multiplier); - if (rc->delay_down_current > rc->delay_max_duration) - rc->delay_down_current = rc->delay_max_duration; - } - - if (status > rc->status) - delay = rc->delay_up_current; - else - delay = rc->delay_down_current; - - // COMMENTED: because we do need to send raising alarms - // if(now + delay < rc->delay_up_to_timestamp) - // delay = (int)(rc->delay_up_to_timestamp - now); - - rc->delay_last = delay; - rc->delay_up_to_timestamp = now + delay; + debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': expression '%s' gave value " + CALCULATED_NUMBER_FORMAT + ": %s (source: %s)", host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, + rc->calculation->parsed_as, rc->calculation->result, + buffer_tostring(rc->calculation->error_msg), rc->source + ); + + rc->value = rc->calculation->result; + + if (rc->local) rc->local->last_updated = now; + if (rc->family) rc->family->last_updated = now; + if (rc->hostid) rc->hostid->last_updated = now; + if (rc->hostname) rc->hostname->last_updated = now; + } + } + } + + rrdhost_unlock(host); + + if (unlikely(runnable && !netdata_exit)) { + rrdhost_rdlock(host); + + for (rc = host->alarms; rc; rc = rc->next) { + if (unlikely(!(rc->rrdcalc_flags & RRDCALC_FLAG_RUNNABLE))) + continue; + + if (rc->rrdcalc_flags & RRDCALC_FLAG_DISABLED) { + continue; + } + RRDCALC_STATUS warning_status = RRDCALC_STATUS_UNDEFINED; + RRDCALC_STATUS critical_status = RRDCALC_STATUS_UNDEFINED; + + // -------------------------------------------------------- + // check the warning expression + + if (likely(rc->warning)) { + if (unlikely(!expression_evaluate(rc->warning))) { + // calculation failed + rc->rrdcalc_flags |= RRDCALC_FLAG_WARN_ERROR; + + debug(D_HEALTH, + "Health on host '%s', alarm '%s.%s': warning expression failed with error: %s", + host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, + buffer_tostring(rc->warning->error_msg) + ); + } else { + rc->rrdcalc_flags &= ~RRDCALC_FLAG_WARN_ERROR; + debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': warning expression gave value " + CALCULATED_NUMBER_FORMAT + ": %s (source: %s)", host->hostname, rc->chart ? rc->chart : "NOCHART", + rc->name, rc->warning->result, buffer_tostring(rc->warning->error_msg), rc->source + ); + warning_status = rrdcalc_value2status(rc->warning->result); + } + } + + // -------------------------------------------------------- + // check the critical expression + + if (likely(rc->critical)) { + if (unlikely(!expression_evaluate(rc->critical))) { + // calculation failed + rc->rrdcalc_flags |= RRDCALC_FLAG_CRIT_ERROR; + + debug(D_HEALTH, + "Health on host '%s', alarm '%s.%s': critical expression failed with error: %s", + host->hostname, rc->chart ? rc->chart : "NOCHART", rc->name, + buffer_tostring(rc->critical->error_msg) + ); + } else { + rc->rrdcalc_flags &= ~RRDCALC_FLAG_CRIT_ERROR; + debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': critical expression gave value " + CALCULATED_NUMBER_FORMAT + ": %s (source: %s)", host->hostname, rc->chart ? rc->chart : "NOCHART", + rc->name, rc->critical->result, buffer_tostring(rc->critical->error_msg), + rc->source + ); + critical_status = rrdcalc_value2status(rc->critical->result); + } + } + + // -------------------------------------------------------- + // decide the final alarm status + + RRDCALC_STATUS status = RRDCALC_STATUS_UNDEFINED; + + switch (warning_status) { + case RRDCALC_STATUS_CLEAR: + status = RRDCALC_STATUS_CLEAR; + break; + + case RRDCALC_STATUS_RAISED: + status = RRDCALC_STATUS_WARNING; + break; + + default: + break; + } + + switch (critical_status) { + case RRDCALC_STATUS_CLEAR: + if (status == RRDCALC_STATUS_UNDEFINED) + status = RRDCALC_STATUS_CLEAR; + break; + + case RRDCALC_STATUS_RAISED: + status = RRDCALC_STATUS_CRITICAL; + break; + + default: + break; + } + + // -------------------------------------------------------- + // check if the new status and the old differ + + if (status != rc->status) { + int delay = 0; + + // apply trigger hysteresis + + if (now > rc->delay_up_to_timestamp) { + rc->delay_up_current = rc->delay_up_duration; + rc->delay_down_current = rc->delay_down_duration; + rc->delay_last = 0; + rc->delay_up_to_timestamp = 0; + } else { + rc->delay_up_current = (int) (rc->delay_up_current * rc->delay_multiplier); + if (rc->delay_up_current > rc->delay_max_duration) + rc->delay_up_current = rc->delay_max_duration; + + rc->delay_down_current = (int) (rc->delay_down_current * rc->delay_multiplier); + if (rc->delay_down_current > rc->delay_max_duration) + rc->delay_down_current = rc->delay_max_duration; + } + + if (status > rc->status) + delay = rc->delay_up_current; + else + delay = rc->delay_down_current; + + // COMMENTED: because we do need to send raising alarms + // if(now + delay < rc->delay_up_to_timestamp) + // delay = (int)(rc->delay_up_to_timestamp - now); + + rc->delay_last = delay; + rc->delay_up_to_timestamp = now + delay; if(likely(!rrdcalc_isrepeating(rc))) { ALARM_ENTRY *ae = health_create_alarm_entry( @@ -858,14 +858,14 @@ void *health_main(void *ptr) { rc->last_status_change = now; rc->old_status = rc->status; rc->status = status; - } + } - rc->last_updated = now; - rc->next_update = now + rc->update_every; + rc->last_updated = now; + rc->next_update = now + rc->update_every; - if (next_run > rc->next_update) - next_run = rc->next_update; - } + if (next_run > rc->next_update) + next_run = rc->next_update; + } // process repeating alarms RRDCALC *rc; @@ -896,22 +896,22 @@ void *health_main(void *ptr) { } } - rrdhost_unlock(host); - } + rrdhost_unlock(host); + } - if (unlikely(netdata_exit)) - break; + if (unlikely(netdata_exit)) + break; - // execute notifications - // and cleanup - health_alarm_log_process(host); + // execute notifications + // and cleanup + health_alarm_log_process(host); - if (unlikely(netdata_exit)) - break; + if (unlikely(netdata_exit)) + break; - } /* rrdhost_foreach */ + } /* rrdhost_foreach */ - rrd_unlock(); + rrd_unlock(); if(unlikely(netdata_exit)) |