mirror of
https://github.com/prometheus/prometheus.git
synced 2024-12-26 06:04:05 -08:00
386 lines
16 KiB
Plaintext
386 lines
16 KiB
Plaintext
{
|
|
prometheusAlerts+:: {
|
|
groups+: [
|
|
{
|
|
name: 'prometheus',
|
|
rules: [
|
|
{
|
|
alert: 'PrometheusBadConfig',
|
|
expr: |||
|
|
# Without max_over_time, failed scrapes could create false negatives, see
|
|
# https://www.robustperception.io/alerting-on-gauges-in-prometheus-2-0 for details.
|
|
max_over_time(prometheus_config_last_reload_successful{%(prometheusSelector)s}[5m]) == 0
|
|
||| % $._config,
|
|
'for': '10m',
|
|
labels: {
|
|
severity: 'critical',
|
|
},
|
|
annotations: {
|
|
summary: 'Failed Prometheus configuration reload.',
|
|
description: 'Prometheus %(prometheusName)s has failed to reload its configuration.' % $._config,
|
|
},
|
|
},
|
|
{
|
|
alert: 'PrometheusNotificationQueueRunningFull',
|
|
expr: |||
|
|
# Without min_over_time, failed scrapes could create false negatives, see
|
|
# https://www.robustperception.io/alerting-on-gauges-in-prometheus-2-0 for details.
|
|
(
|
|
predict_linear(prometheus_notifications_queue_length{%(prometheusSelector)s}[5m], 60 * 30)
|
|
>
|
|
min_over_time(prometheus_notifications_queue_capacity{%(prometheusSelector)s}[5m])
|
|
)
|
|
||| % $._config,
|
|
'for': '15m',
|
|
labels: {
|
|
severity: 'warning',
|
|
},
|
|
annotations: {
|
|
summary: 'Prometheus alert notification queue predicted to run full in less than 30m.',
|
|
description: 'Alert notification queue of Prometheus %(prometheusName)s is running full.' % $._config,
|
|
},
|
|
},
|
|
{
|
|
alert: 'PrometheusErrorSendingAlertsToSomeAlertmanagers',
|
|
expr: |||
|
|
(
|
|
rate(prometheus_notifications_errors_total{%(prometheusSelector)s}[5m])
|
|
/
|
|
rate(prometheus_notifications_sent_total{%(prometheusSelector)s}[5m])
|
|
)
|
|
* 100
|
|
> 1
|
|
||| % $._config,
|
|
'for': '15m',
|
|
labels: {
|
|
severity: 'warning',
|
|
},
|
|
annotations: {
|
|
summary: 'Prometheus has encountered more than 1% errors sending alerts to a specific Alertmanager.',
|
|
description: '{{ printf "%%.1f" $value }}%% errors while sending alerts from Prometheus %(prometheusName)s to Alertmanager {{$labels.alertmanager}}.' % $._config,
|
|
},
|
|
},
|
|
{
|
|
alert: 'PrometheusNotConnectedToAlertmanagers',
|
|
expr: |||
|
|
# Without max_over_time, failed scrapes could create false negatives, see
|
|
# https://www.robustperception.io/alerting-on-gauges-in-prometheus-2-0 for details.
|
|
max_over_time(prometheus_notifications_alertmanagers_discovered{%(prometheusSelector)s}[5m]) < 1
|
|
||| % $._config,
|
|
'for': '10m',
|
|
labels: {
|
|
severity: 'warning',
|
|
},
|
|
annotations: {
|
|
summary: 'Prometheus is not connected to any Alertmanagers.',
|
|
description: 'Prometheus %(prometheusName)s is not connected to any Alertmanagers.' % $._config,
|
|
},
|
|
},
|
|
{
|
|
alert: 'PrometheusTSDBReloadsFailing',
|
|
expr: |||
|
|
increase(prometheus_tsdb_reloads_failures_total{%(prometheusSelector)s}[3h]) > 0
|
|
||| % $._config,
|
|
'for': '4h',
|
|
labels: {
|
|
severity: 'warning',
|
|
},
|
|
annotations: {
|
|
summary: 'Prometheus has issues reloading blocks from disk.',
|
|
description: 'Prometheus %(prometheusName)s has detected {{$value | humanize}} reload failures over the last 3h.' % $._config,
|
|
},
|
|
},
|
|
{
|
|
alert: 'PrometheusTSDBCompactionsFailing',
|
|
expr: |||
|
|
increase(prometheus_tsdb_compactions_failed_total{%(prometheusSelector)s}[3h]) > 0
|
|
||| % $._config,
|
|
'for': '4h',
|
|
labels: {
|
|
severity: 'warning',
|
|
},
|
|
annotations: {
|
|
summary: 'Prometheus has issues compacting blocks.',
|
|
description: 'Prometheus %(prometheusName)s has detected {{$value | humanize}} compaction failures over the last 3h.' % $._config,
|
|
},
|
|
},
|
|
{
|
|
alert: 'PrometheusNotIngestingSamples',
|
|
expr: |||
|
|
(
|
|
rate(prometheus_tsdb_head_samples_appended_total{%(prometheusSelector)s}[5m]) <= 0
|
|
and
|
|
(
|
|
sum without(scrape_job) (prometheus_target_metadata_cache_entries{%(prometheusSelector)s}) > 0
|
|
or
|
|
sum without(rule_group) (prometheus_rule_group_rules{%(prometheusSelector)s}) > 0
|
|
)
|
|
)
|
|
||| % $._config,
|
|
'for': '10m',
|
|
labels: {
|
|
severity: 'warning',
|
|
},
|
|
annotations: {
|
|
summary: 'Prometheus is not ingesting samples.',
|
|
description: 'Prometheus %(prometheusName)s is not ingesting samples.' % $._config,
|
|
},
|
|
},
|
|
{
|
|
alert: 'PrometheusDuplicateTimestamps',
|
|
expr: |||
|
|
rate(prometheus_target_scrapes_sample_duplicate_timestamp_total{%(prometheusSelector)s}[5m]) > 0
|
|
||| % $._config,
|
|
'for': '10m',
|
|
labels: {
|
|
severity: 'warning',
|
|
},
|
|
annotations: {
|
|
summary: 'Prometheus is dropping samples with duplicate timestamps.',
|
|
description: 'Prometheus %(prometheusName)s is dropping {{ printf "%%.4g" $value }} samples/s with different values but duplicated timestamp.' % $._config,
|
|
},
|
|
},
|
|
{
|
|
alert: 'PrometheusOutOfOrderTimestamps',
|
|
expr: |||
|
|
rate(prometheus_target_scrapes_sample_out_of_order_total{%(prometheusSelector)s}[5m]) > 0
|
|
||| % $._config,
|
|
'for': '10m',
|
|
labels: {
|
|
severity: 'warning',
|
|
},
|
|
annotations: {
|
|
summary: 'Prometheus drops samples with out-of-order timestamps.',
|
|
description: 'Prometheus %(prometheusName)s is dropping {{ printf "%%.4g" $value }} samples/s with timestamps arriving out of order.' % $._config,
|
|
},
|
|
},
|
|
{
|
|
alert: 'PrometheusRemoteStorageFailures',
|
|
expr: |||
|
|
(
|
|
rate(prometheus_remote_storage_failed_samples_total{%(prometheusSelector)s}[5m])
|
|
/
|
|
(
|
|
rate(prometheus_remote_storage_failed_samples_total{%(prometheusSelector)s}[5m])
|
|
+
|
|
rate(prometheus_remote_storage_succeeded_samples_total{%(prometheusSelector)s}[5m])
|
|
)
|
|
)
|
|
* 100
|
|
> 1
|
|
||| % $._config,
|
|
'for': '15m',
|
|
labels: {
|
|
severity: 'critical',
|
|
},
|
|
annotations: {
|
|
summary: 'Prometheus fails to send samples to remote storage.',
|
|
description: 'Prometheus %(prometheusName)s failed to send {{ printf "%%.1f" $value }}%% of the samples to {{ $labels.remote_name}}:{{ $labels.url }}' % $._config,
|
|
},
|
|
},
|
|
{
|
|
alert: 'PrometheusRemoteWriteBehind',
|
|
expr: |||
|
|
# Without max_over_time, failed scrapes could create false negatives, see
|
|
# https://www.robustperception.io/alerting-on-gauges-in-prometheus-2-0 for details.
|
|
(
|
|
max_over_time(prometheus_remote_storage_highest_timestamp_in_seconds{%(prometheusSelector)s}[5m])
|
|
- ignoring(remote_name, url) group_right
|
|
max_over_time(prometheus_remote_storage_queue_highest_sent_timestamp_seconds{%(prometheusSelector)s}[5m])
|
|
)
|
|
> 120
|
|
||| % $._config,
|
|
'for': '15m',
|
|
labels: {
|
|
severity: 'critical',
|
|
},
|
|
annotations: {
|
|
summary: 'Prometheus remote write is behind.',
|
|
description: 'Prometheus %(prometheusName)s remote write is {{ printf "%%.1f" $value }}s behind for {{ $labels.remote_name}}:{{ $labels.url }}.' % $._config,
|
|
},
|
|
},
|
|
{
|
|
alert: 'PrometheusRemoteWriteDesiredShards',
|
|
expr: |||
|
|
# Without max_over_time, failed scrapes could create false negatives, see
|
|
# https://www.robustperception.io/alerting-on-gauges-in-prometheus-2-0 for details.
|
|
(
|
|
max_over_time(prometheus_remote_storage_shards_desired{%(prometheusSelector)s}[5m])
|
|
>
|
|
max_over_time(prometheus_remote_storage_shards_max{%(prometheusSelector)s}[5m])
|
|
)
|
|
||| % $._config,
|
|
'for': '15m',
|
|
labels: {
|
|
severity: 'warning',
|
|
},
|
|
annotations: {
|
|
summary: 'Prometheus remote write desired shards calculation wants to run more than configured max shards.',
|
|
description: 'Prometheus %(prometheusName)s remote write desired shards calculation wants to run {{ $value }} shards for queue {{ $labels.remote_name}}:{{ $labels.url }}, which is more than the max of {{ printf `prometheus_remote_storage_shards_max{instance="%%s",%(prometheusSelector)s}` $labels.instance | query | first | value }}.' % $._config,
|
|
},
|
|
},
|
|
{
|
|
alert: 'PrometheusRuleFailures',
|
|
expr: |||
|
|
increase(prometheus_rule_evaluation_failures_total{%(prometheusSelector)s}[5m]) > 0
|
|
||| % $._config,
|
|
'for': '15m',
|
|
labels: {
|
|
severity: 'critical',
|
|
},
|
|
annotations: {
|
|
summary: 'Prometheus is failing rule evaluations.',
|
|
description: 'Prometheus %(prometheusName)s has failed to evaluate {{ printf "%%.0f" $value }} rules in the last 5m.' % $._config,
|
|
},
|
|
},
|
|
{
|
|
alert: 'PrometheusMissingRuleEvaluations',
|
|
expr: |||
|
|
increase(prometheus_rule_group_iterations_missed_total{%(prometheusSelector)s}[5m]) > 0
|
|
||| % $._config,
|
|
'for': '15m',
|
|
labels: {
|
|
severity: 'warning',
|
|
},
|
|
annotations: {
|
|
summary: 'Prometheus is missing rule evaluations due to slow rule group evaluation.',
|
|
description: 'Prometheus %(prometheusName)s has missed {{ printf "%%.0f" $value }} rule group evaluations in the last 5m.' % $._config,
|
|
},
|
|
},
|
|
{
|
|
alert: 'PrometheusTargetLimitHit',
|
|
expr: |||
|
|
increase(prometheus_target_scrape_pool_exceeded_target_limit_total{%(prometheusSelector)s}[5m]) > 0
|
|
||| % $._config,
|
|
'for': '15m',
|
|
labels: {
|
|
severity: 'warning',
|
|
},
|
|
annotations: {
|
|
summary: 'Prometheus has dropped targets because some scrape configs have exceeded the targets limit.',
|
|
description: 'Prometheus %(prometheusName)s has dropped {{ printf "%%.0f" $value }} targets because the number of targets exceeded the configured target_limit.' % $._config,
|
|
},
|
|
},
|
|
] + if $._config.prometheusHAGroupLabels == '' then self.rulesWithoutHA else self.rulesWithHA,
|
|
rulesWithoutHA:: [
|
|
{
|
|
alert: 'PrometheusErrorSendingAlertsToAnyAlertmanager',
|
|
expr: |||
|
|
min without (alertmanager) (
|
|
rate(prometheus_notifications_errors_total{%(prometheusSelector)s,alertmanager!~`%(nonNotifyingAlertmanagerRegEx)s`}[5m])
|
|
/
|
|
rate(prometheus_notifications_sent_total{%(prometheusSelector)s,alertmanager!~`%(nonNotifyingAlertmanagerRegEx)s`}[5m])
|
|
)
|
|
* 100
|
|
> 3
|
|
||| % $._config,
|
|
'for': '15m',
|
|
labels: {
|
|
severity: 'critical',
|
|
},
|
|
annotations: {
|
|
summary: 'Prometheus encounters more than 3% errors sending alerts to any Alertmanager.',
|
|
description: '{{ printf "%%.1f" $value }}%% minimum errors while sending alerts from Prometheus %(prometheusName)s to any Alertmanager.' % $._config,
|
|
},
|
|
},
|
|
],
|
|
rulesWithHA:: [
|
|
{
|
|
alert: 'PrometheusErrorSendingAlertsToAnyAlertmanager',
|
|
expr: |||
|
|
min by (%(prometheusHAGroupLabels)s) (
|
|
rate(prometheus_notifications_errors_total{%(prometheusSelector)s,alertmanager!~`%(nonNotifyingAlertmanagerRegEx)s`}[5m])
|
|
/
|
|
rate(prometheus_notifications_sent_total{%(prometheusSelector)s,alertmanager!~`%(nonNotifyingAlertmanagerRegEx)s`}[5m])
|
|
)
|
|
* 100
|
|
> 3
|
|
||| % $._config,
|
|
'for': '15m',
|
|
labels: {
|
|
severity: 'critical',
|
|
},
|
|
annotations: {
|
|
summary: 'Each Prometheus server in an HA group encounters more than 3% errors sending alerts to any Alertmanager.',
|
|
description: '{{ printf "%%.1f" $value }}%% minimum errors while sending alerts from any Prometheus server in HA group %(prometheusHAGroupName)s to any Alertmanager.' % $._config,
|
|
},
|
|
},
|
|
{
|
|
alert: 'PrometheusHAGroupNotIngestingSamples',
|
|
expr: |||
|
|
max by (%(prometheusHAGroupLabels)s) (
|
|
rate(prometheus_tsdb_head_samples_appended_total{%(prometheusSelector)s}[5m])
|
|
and
|
|
(
|
|
sum without(scrape_job) (prometheus_target_metadata_cache_entries{%(prometheusSelector)s}) > 0
|
|
or
|
|
sum without(rule_group) (prometheus_rule_group_rules{%(prometheusSelector)s}) > 0
|
|
)
|
|
)
|
|
<= 0
|
|
||| % $._config,
|
|
'for': '10m',
|
|
labels: {
|
|
severity: 'critical',
|
|
},
|
|
annotations: {
|
|
summary: 'A whole Prometheus HA group is not ingesting samples.',
|
|
description: 'None of the Prometheus instances in HA group %(prometheusHAGroupName)s is ingesting any samples.' % $._config,
|
|
},
|
|
},
|
|
// Both the following critical alerts, PrometheusHAGroupDown and
|
|
// PrometheusHAGroupCrashlooping, fire if a whole HA group is
|
|
// unhealthy. It is implied that a generic warning alert is in place
|
|
// for individual instances being down or crashlooping.
|
|
{
|
|
alert: 'PrometheusHAGroupDown',
|
|
expr: |||
|
|
(
|
|
count by (%(prometheusHAGroupLabels)s) (
|
|
avg_over_time(up{%(prometheusSelector)s}[5m]) < 0.5
|
|
)
|
|
/
|
|
count by (%(prometheusHAGroupLabels)s) (
|
|
up{%(prometheusSelector)s}
|
|
)
|
|
)
|
|
> 0.5
|
|
||| % $._config,
|
|
'for': '5m',
|
|
labels: {
|
|
severity: 'critical',
|
|
},
|
|
annotations: {
|
|
summary: 'More than half of the Prometheus instances within the same HA group are down.',
|
|
description: '{{ $value | humanizePercentage }} of Prometheus instances within the %(prometheusHAGroupName)s HA group have been up for less than half of the last 5m.' % $._config,
|
|
},
|
|
},
|
|
{
|
|
alert: 'PrometheusHAGroupCrashlooping',
|
|
expr: |||
|
|
(
|
|
count by (%(prometheusHAGroupLabels)s) (
|
|
changes(process_start_time_seconds{%(prometheusSelector)s}[30m]) > 4
|
|
)
|
|
/
|
|
count by (%(prometheusHAGroupLabels)s) (
|
|
up{%(prometheusSelector)s}
|
|
)
|
|
)
|
|
> 0.5
|
|
||| % $._config,
|
|
'for': '5m',
|
|
labels: {
|
|
severity: 'critical',
|
|
},
|
|
annotations: {
|
|
summary: 'More than half of the Prometheus instances within the same HA group are crashlooping.',
|
|
description: '{{ $value | humanizePercentage }} of Prometheus instances within the %(prometheusHAGroupName)s HA group have restarted at least 5 times in the last 30m.' % $._config,
|
|
},
|
|
},
|
|
],
|
|
},
|
|
],
|
|
},
|
|
}
|