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-rw-r--r--health/health_log.c235
1 files changed, 235 insertions, 0 deletions
diff --git a/health/health_log.c b/health/health_log.c
new file mode 100644
index 00000000..fd124ce8
--- /dev/null
+++ b/health/health_log.c
@@ -0,0 +1,235 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "health.h"
+
+// ----------------------------------------------------------------------------
+
+inline void health_alarm_log_save(RRDHOST *host, ALARM_ENTRY *ae) {
+ sql_health_alarm_log_save(host, ae);
+}
+
+
+void health_log_alert_transition_with_trace(RRDHOST *host, ALARM_ENTRY *ae, int line, const char *file, const char *function) {
+ ND_LOG_STACK lgs[] = {
+ ND_LOG_FIELD_UUID(NDF_MESSAGE_ID, &health_alert_transition_msgid),
+ ND_LOG_FIELD_STR(NDF_NIDL_NODE, host->hostname),
+ ND_LOG_FIELD_STR(NDF_NIDL_INSTANCE, ae->chart_name),
+ ND_LOG_FIELD_STR(NDF_NIDL_CONTEXT, ae->chart_context),
+ ND_LOG_FIELD_U64(NDF_ALERT_ID, ae->alarm_id),
+ ND_LOG_FIELD_U64(NDF_ALERT_UNIQUE_ID, ae->unique_id),
+ ND_LOG_FIELD_U64(NDF_ALERT_EVENT_ID, ae->alarm_event_id),
+ ND_LOG_FIELD_UUID(NDF_ALERT_CONFIG_HASH, &ae->config_hash_id),
+ ND_LOG_FIELD_UUID(NDF_ALERT_TRANSITION_ID, &ae->transition_id),
+ ND_LOG_FIELD_STR(NDF_ALERT_NAME, ae->name),
+ ND_LOG_FIELD_STR(NDF_ALERT_CLASS, ae->classification),
+ ND_LOG_FIELD_STR(NDF_ALERT_COMPONENT, ae->component),
+ ND_LOG_FIELD_STR(NDF_ALERT_TYPE, ae->type),
+ ND_LOG_FIELD_STR(NDF_ALERT_EXEC, ae->exec),
+ ND_LOG_FIELD_STR(NDF_ALERT_RECIPIENT, ae->recipient),
+ ND_LOG_FIELD_STR(NDF_ALERT_SOURCE, ae->exec),
+ ND_LOG_FIELD_STR(NDF_ALERT_UNITS, ae->units),
+ ND_LOG_FIELD_STR(NDF_ALERT_SUMMARY, ae->summary),
+ ND_LOG_FIELD_STR(NDF_ALERT_INFO, ae->info),
+ ND_LOG_FIELD_DBL(NDF_ALERT_VALUE, ae->new_value),
+ ND_LOG_FIELD_DBL(NDF_ALERT_VALUE_OLD, ae->old_value),
+ ND_LOG_FIELD_TXT(NDF_ALERT_STATUS, rrdcalc_status2string(ae->new_status)),
+ ND_LOG_FIELD_TXT(NDF_ALERT_STATUS_OLD, rrdcalc_status2string(ae->old_status)),
+ ND_LOG_FIELD_I64(NDF_ALERT_DURATION, ae->duration),
+ ND_LOG_FIELD_I64(NDF_RESPONSE_CODE, ae->exec_code),
+ ND_LOG_FIELD_U64(NDF_ALERT_NOTIFICATION_REALTIME_USEC, ae->delay_up_to_timestamp * USEC_PER_SEC),
+ ND_LOG_FIELD_END(),
+ };
+ ND_LOG_STACK_PUSH(lgs);
+
+ errno = 0;
+
+ ND_LOG_FIELD_PRIORITY priority = NDLP_INFO;
+
+ switch(ae->new_status) {
+ case RRDCALC_STATUS_UNDEFINED:
+ if(ae->old_status >= RRDCALC_STATUS_CLEAR)
+ priority = NDLP_NOTICE;
+ else
+ priority = NDLP_DEBUG;
+ break;
+
+ default:
+ case RRDCALC_STATUS_UNINITIALIZED:
+ case RRDCALC_STATUS_REMOVED:
+ priority = NDLP_DEBUG;
+ break;
+
+ case RRDCALC_STATUS_CLEAR:
+ priority = NDLP_INFO;
+ break;
+
+ case RRDCALC_STATUS_WARNING:
+ if(ae->old_status < RRDCALC_STATUS_WARNING)
+ priority = NDLP_WARNING;
+ break;
+
+ case RRDCALC_STATUS_CRITICAL:
+ if(ae->old_status < RRDCALC_STATUS_CRITICAL)
+ priority = NDLP_CRIT;
+ break;
+ }
+
+ netdata_logger(NDLS_HEALTH, priority, file, function, line,
+ "ALERT '%s' of instance '%s' on node '%s', transitioned from %s to %s",
+ string2str(ae->name), string2str(ae->chart), string2str(host->hostname),
+ rrdcalc_status2string(ae->old_status), rrdcalc_status2string(ae->new_status)
+ );
+}
+
+// ----------------------------------------------------------------------------
+// health alarm log management
+
+inline ALARM_ENTRY* health_create_alarm_entry(
+ RRDHOST *host,
+ uint32_t alarm_id,
+ uint32_t alarm_event_id,
+ const uuid_t config_hash_id,
+ time_t when,
+ STRING *name,
+ STRING *chart,
+ STRING *chart_context,
+ STRING *chart_name,
+ STRING *class,
+ STRING *component,
+ STRING *type,
+ STRING *exec,
+ STRING *recipient,
+ time_t duration,
+ NETDATA_DOUBLE old_value,
+ NETDATA_DOUBLE new_value,
+ RRDCALC_STATUS old_status,
+ RRDCALC_STATUS new_status,
+ STRING *source,
+ STRING *units,
+ STRING *summary,
+ STRING *info,
+ int delay,
+ HEALTH_ENTRY_FLAGS flags
+) {
+
+ if (duration < 0)
+ duration = 0;
+
+ netdata_log_debug(D_HEALTH, "Health adding alarm log entry with id: %u", host->health_log.next_log_id);
+
+ ALARM_ENTRY *ae = callocz(1, sizeof(ALARM_ENTRY));
+ ae->name = string_dup(name);
+ ae->chart = string_dup(chart);
+ ae->chart_context = string_dup(chart_context);
+ ae->chart_name = string_dup(chart_name);
+
+ uuid_copy(ae->config_hash_id, *((uuid_t *) config_hash_id));
+
+ uuid_generate_random(ae->transition_id);
+ ae->global_id = now_realtime_usec();
+
+ ae->classification = string_dup(class);
+ ae->component = string_dup(component);
+ ae->type = string_dup(type);
+ ae->exec = string_dup(exec);
+ ae->recipient = string_dup(recipient);
+ ae->source = string_dup(source);
+ ae->units = string_dup(units);
+
+ ae->unique_id = host->health_log.next_log_id++;
+ ae->alarm_id = alarm_id;
+ ae->alarm_event_id = alarm_event_id;
+ ae->when = when;
+ ae->old_value = old_value;
+ ae->new_value = new_value;
+
+ char value_string[100 + 1];
+ ae->old_value_string = string_strdupz(format_value_and_unit(value_string, 100, ae->old_value, ae_units(ae), -1));
+ ae->new_value_string = string_strdupz(format_value_and_unit(value_string, 100, ae->new_value, ae_units(ae), -1));
+
+ ae->summary = string_dup(summary);
+ ae->info = string_dup(info);
+ ae->old_status = old_status;
+ ae->new_status = new_status;
+ ae->duration = duration;
+ ae->delay = delay;
+ ae->delay_up_to_timestamp = when + delay;
+ ae->flags |= flags;
+
+ ae->last_repeat = 0;
+
+ if(ae->old_status == RRDCALC_STATUS_WARNING || ae->old_status == RRDCALC_STATUS_CRITICAL)
+ ae->non_clear_duration += ae->duration;
+
+ return ae;
+}
+
+inline void health_alarm_log_add_entry(
+ RRDHOST *host,
+ ALARM_ENTRY *ae
+) {
+ netdata_log_debug(D_HEALTH, "Health adding alarm log entry with id: %u", ae->unique_id);
+
+ __atomic_add_fetch(&host->health_transitions, 1, __ATOMIC_RELAXED);
+
+ // link it
+ rw_spinlock_write_lock(&host->health_log.spinlock);
+ ae->next = host->health_log.alarms;
+ host->health_log.alarms = ae;
+ host->health_log.count++;
+ rw_spinlock_write_unlock(&host->health_log.spinlock);
+
+ // match previous alarms
+ rw_spinlock_read_lock(&host->health_log.spinlock);
+ ALARM_ENTRY *t;
+ for(t = host->health_log.alarms ; t ; t = t->next) {
+ if(t != ae && t->alarm_id == ae->alarm_id) {
+ if(!(t->flags & HEALTH_ENTRY_FLAG_UPDATED) && !t->updated_by_id) {
+ t->flags |= HEALTH_ENTRY_FLAG_UPDATED;
+ t->updated_by_id = ae->unique_id;
+ ae->updates_id = t->unique_id;
+
+ if((t->new_status == RRDCALC_STATUS_WARNING || t->new_status == RRDCALC_STATUS_CRITICAL) &&
+ (t->old_status == RRDCALC_STATUS_WARNING || t->old_status == RRDCALC_STATUS_CRITICAL))
+ ae->non_clear_duration += t->non_clear_duration;
+
+ health_alarm_log_save(host, t);
+ }
+
+ // no need to continue
+ break;
+ }
+ }
+ rw_spinlock_read_unlock(&host->health_log.spinlock);
+
+ health_alarm_log_save(host, ae);
+}
+
+inline void health_alarm_log_free_one_nochecks_nounlink(ALARM_ENTRY *ae) {
+ string_freez(ae->name);
+ string_freez(ae->chart);
+ string_freez(ae->chart_context);
+ string_freez(ae->classification);
+ string_freez(ae->component);
+ string_freez(ae->type);
+ string_freez(ae->exec);
+ string_freez(ae->recipient);
+ string_freez(ae->source);
+ string_freez(ae->units);
+ string_freez(ae->info);
+ string_freez(ae->old_value_string);
+ string_freez(ae->new_value_string);
+ freez(ae);
+}
+
+inline void health_alarm_log_free(RRDHOST *host) {
+ rw_spinlock_write_lock(&host->health_log.spinlock);
+
+ ALARM_ENTRY *ae;
+ while((ae = host->health_log.alarms)) {
+ host->health_log.alarms = ae->next;
+ health_alarm_log_free_one_nochecks_nounlink(ae);
+ }
+
+ rw_spinlock_write_unlock(&host->health_log.spinlock);
+}