91 lines
6.6 KiB
YAML
91 lines
6.6 KiB
YAML
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apiVersion: monitoring.coreos.com/v1
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kind: PrometheusRule
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metadata:
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name: {{ printf "%s-%s" (include "kubezero-lib.fullname" $) "alertmanager" | trunc 63 | trimSuffix "-" }}
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namespace: {{ .Release.Namespace }}
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labels:
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{{- include "kubezero-lib.labels" . | nindent 4 }}
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spec:
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groups:
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- name: alertmanager.rules
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rules:
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- alert: AlertmanagerFailedReload
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annotations:
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description: Configuration has failed to load for {{`{{`}} $labels.namespace {{`}}`}}/{{`{{`}} $labels.pod{{`}}`}}.
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/alertmanager/alertmanagerfailedreload
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summary: Reloading an Alertmanager configuration has failed.
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expr: '# 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(alertmanager_config_last_reload_successful{job="alertmanager-main",namespace="monitoring"}[5m]) == 0
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'
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for: 10m
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labels:
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severity: critical
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- alert: AlertmanagerMembersInconsistent
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annotations:
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description: Alertmanager {{`{{`}} $labels.namespace {{`}}`}}/{{`{{`}} $labels.pod{{`}}`}} has only found {{`{{`}} $value {{`}}`}} members of the {{`{{`}}$labels.job{{`}}`}} cluster.
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/alertmanager/alertmanagermembersinconsistent
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summary: A member of an Alertmanager cluster has not found all other cluster members.
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expr: "# Without max_over_time, failed scrapes could create false negatives, see\n# https://www.robustperception.io/alerting-on-gauges-in-prometheus-2-0 for details.\n max_over_time(alertmanager_cluster_members{job=\"alertmanager-main\",namespace=\"monitoring\"}[5m])\n< on (namespace,service) group_left\n count by (namespace,service) (max_over_time(alertmanager_cluster_members{job=\"alertmanager-main\",namespace=\"monitoring\"}[5m]))\n"
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for: 15m
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labels:
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severity: critical
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- alert: AlertmanagerFailedToSendAlerts
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annotations:
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description: Alertmanager {{`{{`}} $labels.namespace {{`}}`}}/{{`{{`}} $labels.pod{{`}}`}} failed to send {{`{{`}} $value | humanizePercentage {{`}}`}} of notifications to {{`{{`}} $labels.integration {{`}}`}}.
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/alertmanager/alertmanagerfailedtosendalerts
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summary: An Alertmanager instance failed to send notifications.
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expr: "(\n rate(alertmanager_notifications_failed_total{job=\"alertmanager-main\",namespace=\"monitoring\"}[5m])\n/\n rate(alertmanager_notifications_total{job=\"alertmanager-main\",namespace=\"monitoring\"}[5m])\n)\n> 0.01\n"
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for: 5m
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labels:
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severity: warning
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- alert: AlertmanagerClusterFailedToSendAlerts
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annotations:
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description: The minimum notification failure rate to {{`{{`}} $labels.integration {{`}}`}} sent from any instance in the {{`{{`}}$labels.job{{`}}`}} cluster is {{`{{`}} $value | humanizePercentage {{`}}`}}.
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/alertmanager/alertmanagerclusterfailedtosendalerts
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summary: All Alertmanager instances in a cluster failed to send notifications to a critical integration.
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expr: "min by (namespace,service, integration) (\n rate(alertmanager_notifications_failed_total{job=\"alertmanager-main\",namespace=\"monitoring\", integration=~`.*`}[5m])\n/\n rate(alertmanager_notifications_total{job=\"alertmanager-main\",namespace=\"monitoring\", integration=~`.*`}[5m])\n)\n> 0.01\n"
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for: 5m
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labels:
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severity: critical
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- alert: AlertmanagerClusterFailedToSendAlerts
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annotations:
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description: The minimum notification failure rate to {{`{{`}} $labels.integration {{`}}`}} sent from any instance in the {{`{{`}}$labels.job{{`}}`}} cluster is {{`{{`}} $value | humanizePercentage {{`}}`}}.
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/alertmanager/alertmanagerclusterfailedtosendalerts
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summary: All Alertmanager instances in a cluster failed to send notifications to a non-critical integration.
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expr: "min by (namespace,service, integration) (\n rate(alertmanager_notifications_failed_total{job=\"alertmanager-main\",namespace=\"monitoring\", integration!~`.*`}[5m])\n/\n rate(alertmanager_notifications_total{job=\"alertmanager-main\",namespace=\"monitoring\", integration!~`.*`}[5m])\n)\n> 0.01\n"
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for: 5m
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labels:
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severity: warning
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- alert: AlertmanagerConfigInconsistent
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annotations:
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description: Alertmanager instances within the {{`{{`}}$labels.job{{`}}`}} cluster have different configurations.
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/alertmanager/alertmanagerconfiginconsistent
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summary: Alertmanager instances within the same cluster have different configurations.
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expr: "count by (namespace,service) (\n count_values by (namespace,service) (\"config_hash\", alertmanager_config_hash{job=\"alertmanager-main\",namespace=\"monitoring\"})\n)\n!= 1\n"
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for: 20m
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labels:
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severity: critical
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- alert: AlertmanagerClusterDown
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annotations:
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description: '{{`{{`}} $value | humanizePercentage {{`}}`}} of Alertmanager instances within the {{`{{`}}$labels.job{{`}}`}} cluster have been up for less than half of the last 5m.'
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/alertmanager/alertmanagerclusterdown
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summary: Half or more of the Alertmanager instances within the same cluster are down.
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expr: "(\n count by (namespace,service) (\n avg_over_time(up{job=\"alertmanager-main\",namespace=\"monitoring\"}[5m]) < 0.5\n )\n/\n count by (namespace,service) (\n up{job=\"alertmanager-main\",namespace=\"monitoring\"}\n )\n)\n>= 0.5\n"
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for: 5m
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labels:
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severity: critical
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- alert: AlertmanagerClusterCrashlooping
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annotations:
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description: '{{`{{`}} $value | humanizePercentage {{`}}`}} of Alertmanager instances within the {{`{{`}}$labels.job{{`}}`}} cluster have restarted at least 5 times in the last 10m.'
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/alertmanager/alertmanagerclustercrashlooping
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summary: Half or more of the Alertmanager instances within the same cluster are crashlooping.
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expr: "(\n count by (namespace,service) (\n changes(process_start_time_seconds{job=\"alertmanager-main\",namespace=\"monitoring\"}[10m]) > 4\n )\n/\n count by (namespace,service) (\n up{job=\"alertmanager-main\",namespace=\"monitoring\"}\n )\n)\n>= 0.5\n"
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for: 5m
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labels:
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severity: critical
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