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69 lines
3.3 KiB
69 lines
3.3 KiB
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: exporter
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app.kubernetes.io/name: kube-prometheus
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app.kubernetes.io/part-of: kube-prometheus
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prometheus: k8s
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role: alert-rules
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name: kube-prometheus-rules
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namespace: monitoring
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spec:
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groups:
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- name: general.rules
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rules:
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- alert: TargetDown
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annotations:
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description: '{{ printf "%.4g" $value }}% of the {{ $labels.job }}/{{ $labels.service }} targets in {{ $labels.namespace }} namespace are down.'
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/general/targetdown
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summary: One or more targets are unreachable.
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expr: 100 * (count(up == 0) BY (job, namespace, service) / count(up) BY (job, namespace, service)) > 10
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for: 10m
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labels:
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severity: warning
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- alert: Watchdog
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annotations:
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description: |
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This is an alert meant to ensure that the entire alerting pipeline is functional.
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This alert is always firing, therefore it should always be firing in Alertmanager
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and always fire against a receiver. There are integrations with various notification
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mechanisms that send a notification when this alert is not firing. For example the
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"DeadMansSnitch" integration in PagerDuty.
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/general/watchdog
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summary: An alert that should always be firing to certify that Alertmanager is working properly.
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expr: vector(1)
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labels:
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severity: none
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- name: node-network
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rules:
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- alert: NodeNetworkInterfaceFlapping
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annotations:
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description: Network interface "{{ $labels.device }}" changing its up status often on node-exporter {{ $labels.namespace }}/{{ $labels.pod }}
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runbook_url: https://runbooks.prometheus-operator.dev/runbooks/general/nodenetworkinterfaceflapping
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summary: Network interface is often changing its status
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expr: |
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changes(node_network_up{job="node-exporter",device!~"veth.+"}[2m]) > 2
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for: 2m
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labels:
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severity: warning
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- name: kube-prometheus-node-recording.rules
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rules:
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- expr: sum(rate(node_cpu_seconds_total{mode!="idle",mode!="iowait",mode!="steal"}[3m])) BY (instance)
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record: instance:node_cpu:rate:sum
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- expr: sum(rate(node_network_receive_bytes_total[3m])) BY (instance)
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record: instance:node_network_receive_bytes:rate:sum
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- expr: sum(rate(node_network_transmit_bytes_total[3m])) BY (instance)
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record: instance:node_network_transmit_bytes:rate:sum
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- expr: sum(rate(node_cpu_seconds_total{mode!="idle",mode!="iowait",mode!="steal"}[5m])) WITHOUT (cpu, mode) / ON(instance) GROUP_LEFT() count(sum(node_cpu_seconds_total) BY (instance, cpu)) BY (instance)
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record: instance:node_cpu:ratio
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- expr: sum(rate(node_cpu_seconds_total{mode!="idle",mode!="iowait",mode!="steal"}[5m]))
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record: cluster:node_cpu:sum_rate5m
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- expr: cluster:node_cpu_seconds_total:rate5m / count(sum(node_cpu_seconds_total) BY (instance, cpu))
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record: cluster:node_cpu:ratio
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- name: kube-prometheus-general.rules
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rules:
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- expr: count without(instance, pod, node) (up == 1)
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record: count:up1
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- expr: count without(instance, pod, node) (up == 0)
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record: count:up0
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