257 lines
13 KiB
YAML
257 lines
13 KiB
YAML
apiVersion: monitoring.coreos.com/v1
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kind: PrometheusRule
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metadata:
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labels:
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app.kubernetes.io/component: prometheus
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app.kubernetes.io/name: prometheus
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app.kubernetes.io/part-of: kube-prometheus
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app.kubernetes.io/version: 2.26.0
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prometheus: k8s
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role: alert-rules
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name: prometheus-k8s-prometheus-rules
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namespace: default
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spec:
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groups:
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- name: prometheus
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rules:
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- alert: PrometheusBadConfig
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annotations:
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description: Prometheus {{$labels.namespace}}/{{$labels.pod}} has failed to
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reload its configuration.
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runbook_url: https://github.com/prometheus-operator/kube-prometheus/wiki/prometheusbadconfig
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summary: Failed Prometheus configuration reload.
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expr: |
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# Without max_over_time, failed scrapes could create false negatives, see
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# https://www.robustperception.io/alerting-on-gauges-in-prometheus-2-0 for details.
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max_over_time(prometheus_config_last_reload_successful{job="prometheus-k8s",namespace="default"}[5m]) == 0
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for: 10m
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labels:
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severity: critical
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- alert: PrometheusNotificationQueueRunningFull
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annotations:
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description: Alert notification queue of Prometheus {{$labels.namespace}}/{{$labels.pod}}
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is running full.
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runbook_url: https://github.com/prometheus-operator/kube-prometheus/wiki/prometheusnotificationqueuerunningfull
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summary: Prometheus alert notification queue predicted to run full in less
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than 30m.
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expr: |
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# Without min_over_time, failed scrapes could create false negatives, see
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# https://www.robustperception.io/alerting-on-gauges-in-prometheus-2-0 for details.
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(
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predict_linear(prometheus_notifications_queue_length{job="prometheus-k8s",namespace="default"}[5m], 60 * 30)
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>
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min_over_time(prometheus_notifications_queue_capacity{job="prometheus-k8s",namespace="default"}[5m])
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)
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for: 15m
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labels:
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severity: warning
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- alert: PrometheusErrorSendingAlertsToSomeAlertmanagers
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annotations:
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description: '{{ printf "%.1f" $value }}% errors while sending alerts from
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Prometheus {{$labels.namespace}}/{{$labels.pod}} to Alertmanager {{$labels.alertmanager}}.'
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runbook_url: https://github.com/prometheus-operator/kube-prometheus/wiki/prometheuserrorsendingalertstosomealertmanagers
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summary: Prometheus has encountered more than 1% errors sending alerts to
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a specific Alertmanager.
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expr: |
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(
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rate(prometheus_notifications_errors_total{job="prometheus-k8s",namespace="default"}[5m])
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/
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rate(prometheus_notifications_sent_total{job="prometheus-k8s",namespace="default"}[5m])
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)
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* 100
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> 1
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for: 15m
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labels:
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severity: warning
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- alert: PrometheusNotConnectedToAlertmanagers
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annotations:
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description: Prometheus {{$labels.namespace}}/{{$labels.pod}} is not connected
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to any Alertmanagers.
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runbook_url: https://github.com/prometheus-operator/kube-prometheus/wiki/prometheusnotconnectedtoalertmanagers
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summary: Prometheus is not connected to any Alertmanagers.
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expr: |
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# Without max_over_time, failed scrapes could create false negatives, see
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# https://www.robustperception.io/alerting-on-gauges-in-prometheus-2-0 for details.
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max_over_time(prometheus_notifications_alertmanagers_discovered{job="prometheus-k8s",namespace="default"}[5m]) < 1
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for: 10m
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labels:
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severity: warning
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- alert: PrometheusTSDBReloadsFailing
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annotations:
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description: Prometheus {{$labels.namespace}}/{{$labels.pod}} has detected
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{{$value | humanize}} reload failures over the last 3h.
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runbook_url: https://github.com/prometheus-operator/kube-prometheus/wiki/prometheustsdbreloadsfailing
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summary: Prometheus has issues reloading blocks from disk.
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expr: |
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increase(prometheus_tsdb_reloads_failures_total{job="prometheus-k8s",namespace="default"}[3h]) > 0
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for: 4h
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labels:
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severity: warning
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- alert: PrometheusTSDBCompactionsFailing
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annotations:
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description: Prometheus {{$labels.namespace}}/{{$labels.pod}} has detected
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{{$value | humanize}} compaction failures over the last 3h.
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runbook_url: https://github.com/prometheus-operator/kube-prometheus/wiki/prometheustsdbcompactionsfailing
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summary: Prometheus has issues compacting blocks.
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expr: |
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increase(prometheus_tsdb_compactions_failed_total{job="prometheus-k8s",namespace="default"}[3h]) > 0
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for: 4h
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labels:
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severity: warning
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- alert: PrometheusNotIngestingSamples
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annotations:
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description: Prometheus {{$labels.namespace}}/{{$labels.pod}} is not ingesting
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samples.
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runbook_url: https://github.com/prometheus-operator/kube-prometheus/wiki/prometheusnotingestingsamples
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summary: Prometheus is not ingesting samples.
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expr: |
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(
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rate(prometheus_tsdb_head_samples_appended_total{job="prometheus-k8s",namespace="default"}[5m]) <= 0
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and
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(
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sum without(scrape_job) (prometheus_target_metadata_cache_entries{job="prometheus-k8s",namespace="default"}) > 0
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or
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sum without(rule_group) (prometheus_rule_group_rules{job="prometheus-k8s",namespace="default"}) > 0
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)
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)
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for: 10m
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labels:
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severity: warning
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- alert: PrometheusDuplicateTimestamps
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annotations:
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description: Prometheus {{$labels.namespace}}/{{$labels.pod}} is dropping
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{{ printf "%.4g" $value }} samples/s with different values but duplicated
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timestamp.
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runbook_url: https://github.com/prometheus-operator/kube-prometheus/wiki/prometheusduplicatetimestamps
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summary: Prometheus is dropping samples with duplicate timestamps.
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expr: |
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rate(prometheus_target_scrapes_sample_duplicate_timestamp_total{job="prometheus-k8s",namespace="default"}[5m]) > 0
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for: 10m
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labels:
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severity: warning
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- alert: PrometheusOutOfOrderTimestamps
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annotations:
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description: Prometheus {{$labels.namespace}}/{{$labels.pod}} is dropping
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{{ printf "%.4g" $value }} samples/s with timestamps arriving out of order.
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runbook_url: https://github.com/prometheus-operator/kube-prometheus/wiki/prometheusoutofordertimestamps
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summary: Prometheus drops samples with out-of-order timestamps.
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expr: |
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rate(prometheus_target_scrapes_sample_out_of_order_total{job="prometheus-k8s",namespace="default"}[5m]) > 0
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for: 10m
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labels:
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severity: warning
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- alert: PrometheusRemoteStorageFailures
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annotations:
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description: Prometheus {{$labels.namespace}}/{{$labels.pod}} failed to send
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{{ printf "%.1f" $value }}% of the samples to {{ $labels.remote_name}}:{{
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$labels.url }}
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runbook_url: https://github.com/prometheus-operator/kube-prometheus/wiki/prometheusremotestoragefailures
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summary: Prometheus fails to send samples to remote storage.
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expr: |
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(
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(rate(prometheus_remote_storage_failed_samples_total{job="prometheus-k8s",namespace="default"}[5m]) or rate(prometheus_remote_storage_samples_failed_total{job="prometheus-k8s",namespace="default"}[5m]))
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/
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(
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(rate(prometheus_remote_storage_failed_samples_total{job="prometheus-k8s",namespace="default"}[5m]) or rate(prometheus_remote_storage_samples_failed_total{job="prometheus-k8s",namespace="default"}[5m]))
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+
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(rate(prometheus_remote_storage_succeeded_samples_total{job="prometheus-k8s",namespace="default"}[5m]) or rate(prometheus_remote_storage_samples_total{job="prometheus-k8s",namespace="default"}[5m]))
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)
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)
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* 100
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> 1
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for: 15m
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labels:
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severity: critical
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- alert: PrometheusRemoteWriteBehind
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annotations:
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description: Prometheus {{$labels.namespace}}/{{$labels.pod}} remote write
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is {{ printf "%.1f" $value }}s behind for {{ $labels.remote_name}}:{{ $labels.url
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}}.
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runbook_url: https://github.com/prometheus-operator/kube-prometheus/wiki/prometheusremotewritebehind
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summary: Prometheus remote write is behind.
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expr: |
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# Without max_over_time, failed scrapes could create false negatives, see
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# https://www.robustperception.io/alerting-on-gauges-in-prometheus-2-0 for details.
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(
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max_over_time(prometheus_remote_storage_highest_timestamp_in_seconds{job="prometheus-k8s",namespace="default"}[5m])
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- ignoring(remote_name, url) group_right
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max_over_time(prometheus_remote_storage_queue_highest_sent_timestamp_seconds{job="prometheus-k8s",namespace="default"}[5m])
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)
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> 120
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for: 15m
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labels:
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severity: critical
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- alert: PrometheusRemoteWriteDesiredShards
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annotations:
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description: Prometheus {{$labels.namespace}}/{{$labels.pod}} remote write
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desired shards calculation wants to run {{ $value }} shards for queue {{
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$labels.remote_name}}:{{ $labels.url }}, which is more than the max of {{
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printf `prometheus_remote_storage_shards_max{instance="%s",job="prometheus-k8s",namespace="default"}`
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$labels.instance | query | first | value }}.
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runbook_url: https://github.com/prometheus-operator/kube-prometheus/wiki/prometheusremotewritedesiredshards
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summary: Prometheus remote write desired shards calculation wants to run more
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than configured max shards.
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expr: |
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# Without max_over_time, failed scrapes could create false negatives, see
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# https://www.robustperception.io/alerting-on-gauges-in-prometheus-2-0 for details.
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(
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max_over_time(prometheus_remote_storage_shards_desired{job="prometheus-k8s",namespace="default"}[5m])
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>
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max_over_time(prometheus_remote_storage_shards_max{job="prometheus-k8s",namespace="default"}[5m])
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)
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for: 15m
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labels:
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severity: warning
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- alert: PrometheusRuleFailures
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annotations:
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description: Prometheus {{$labels.namespace}}/{{$labels.pod}} has failed to
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evaluate {{ printf "%.0f" $value }} rules in the last 5m.
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runbook_url: https://github.com/prometheus-operator/kube-prometheus/wiki/prometheusrulefailures
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summary: Prometheus is failing rule evaluations.
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expr: |
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increase(prometheus_rule_evaluation_failures_total{job="prometheus-k8s",namespace="default"}[5m]) > 0
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for: 15m
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labels:
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severity: critical
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- alert: PrometheusMissingRuleEvaluations
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annotations:
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description: Prometheus {{$labels.namespace}}/{{$labels.pod}} has missed {{
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printf "%.0f" $value }} rule group evaluations in the last 5m.
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runbook_url: https://github.com/prometheus-operator/kube-prometheus/wiki/prometheusmissingruleevaluations
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summary: Prometheus is missing rule evaluations due to slow rule group evaluation.
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expr: |
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increase(prometheus_rule_group_iterations_missed_total{job="prometheus-k8s",namespace="default"}[5m]) > 0
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for: 15m
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labels:
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severity: warning
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- alert: PrometheusTargetLimitHit
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annotations:
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description: Prometheus {{$labels.namespace}}/{{$labels.pod}} has dropped
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{{ printf "%.0f" $value }} targets because the number of targets exceeded
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the configured target_limit.
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runbook_url: https://github.com/prometheus-operator/kube-prometheus/wiki/prometheustargetlimithit
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summary: Prometheus has dropped targets because some scrape configs have exceeded
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the targets limit.
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expr: |
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increase(prometheus_target_scrape_pool_exceeded_target_limit_total{job="prometheus-k8s",namespace="default"}[5m]) > 0
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for: 15m
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labels:
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severity: warning
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- alert: PrometheusErrorSendingAlertsToAnyAlertmanager
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annotations:
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description: '{{ printf "%.1f" $value }}% minimum errors while sending alerts
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from Prometheus {{$labels.namespace}}/{{$labels.pod}} to any Alertmanager.'
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runbook_url: https://github.com/prometheus-operator/kube-prometheus/wiki/prometheuserrorsendingalertstoanyalertmanager
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summary: Prometheus encounters more than 3% errors sending alerts to any Alertmanager.
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expr: |
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min without (alertmanager) (
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rate(prometheus_notifications_errors_total{job="prometheus-k8s",namespace="default",alertmanager!~``}[5m])
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/
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rate(prometheus_notifications_sent_total{job="prometheus-k8s",namespace="default",alertmanager!~``}[5m])
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)
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* 100
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> 3
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for: 15m
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labels:
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severity: critical
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