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// 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);
}
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