ROSAENG-14114: New alert detecting when a MC cluster cannot send metrics to RHOBS or telemeter #2806
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,129 +1,148 @@ | ||
| apiVersion: rbac.authorization.k8s.io/v1 | ||
| kind: RoleBinding | ||
| metadata: | ||
| name: prometheus-k8s | ||
| namespace: openshift-observability-operator | ||
| roleRef: | ||
| apiGroup: rbac.authorization.k8s.io | ||
| kind: ClusterRole | ||
| name: view | ||
| subjects: | ||
| - kind: ServiceAccount | ||
| name: prometheus-k8s | ||
| namespace: openshift-monitoring | ||
| --- | ||
| apiVersion: monitoring.coreos.com/v1 | ||
| kind: ServiceMonitor | ||
| metadata: | ||
| name: rhobs-hypershift-monitoring-stack-prometheus | ||
| namespace: openshift-observability-operator | ||
| spec: | ||
| endpoints: | ||
| - bearerTokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token | ||
| interval: 30s | ||
| metricRelabelings: | ||
| - sourceLabels: [__name__] | ||
| regex: "prometheus_remote_.*" | ||
| action: keep | ||
| tlsConfig: | ||
| caFile: /etc/prometheus/configmaps/serving-certs-ca-bundle/service-ca.crt | ||
| certFile: /etc/prometheus/secrets/metrics-client-certs/tls.crt | ||
| keyFile: /etc/prometheus/secrets/metrics-client-certs/tls.key | ||
| serverName: rhobs-hypershift-monitoring-stack-prometheus.openshift-observability-operator.svc | ||
| selector: | ||
| matchLabels: | ||
| app.kubernetes.io/name: rhobs-hypershift-monitoring-stack-prometheus | ||
| --- | ||
| apiVersion: monitoring.coreos.com/v1 | ||
| kind: ServiceMonitor | ||
| metadata: | ||
| name: hypershift-monitoring-stack-prometheus | ||
| namespace: openshift-observability-operator | ||
| spec: | ||
| endpoints: | ||
| - bearerTokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token | ||
| interval: 30s | ||
| metricRelabelings: | ||
| - sourceLabels: [__name__] | ||
| regex: "prometheus_remote_.*" | ||
| action: keep | ||
| tlsConfig: | ||
| caFile: /etc/prometheus/configmaps/serving-certs-ca-bundle/service-ca.crt | ||
| certFile: /etc/prometheus/secrets/metrics-client-certs/tls.crt | ||
| keyFile: /etc/prometheus/secrets/metrics-client-certs/tls.key | ||
| serverName: hypershift-monitoring-stack-prometheus.openshift-observability-operator.svc | ||
| selector: | ||
| matchLabels: | ||
| app.kubernetes.io/name: hypershift-monitoring-stack-prometheus | ||
| --- | ||
| apiVersion: monitoring.coreos.com/v1 | ||
| kind: PrometheusRule | ||
| metadata: | ||
| labels: | ||
| prometheus: sre-coo-stack | ||
| role: alert-rules | ||
| name: sre-coo-stack | ||
|
Contributor
There was a problem hiding this comment. noob question but will the old |
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| namespace: openshift-monitoring | ||
| spec: | ||
| groups: | ||
| - name: sre-coo-stack | ||
| rules: | ||
| - alert: COOStackMissingSRE | ||
|
Contributor
There was a problem hiding this comment. (nit) probably a follow-up but I would recommend 1 rule per resource which would provide more targeted alerts. |
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| expr: | | ||
| absent(kube_deployment_status_replicas{deployment="obo-prometheus-operator", namespace="openshift-operators"}) or | ||
|
Contributor
There was a problem hiding this comment.
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| absent(kube_deployment_status_replicas{deployment="obo-prometheus-operator-admission-webhook", namespace="openshift-operators"}) or | ||
| absent(kube_deployment_status_replicas{deployment="observability-operator", namespace="openshift-operators"}) | ||
| for: 15m | ||
| labels: | ||
| severity: critical | ||
| annotations: | ||
| summary: "Cluster Observability Operator or one of its component is absent from the Management Cluster" | ||
| description: | | ||
| The following Cluster Observability Operator (COO) component is absent or has failed to be deployed the Management Cluster for last 15 mins: | ||
| {{$labels.deployment}} deployment | ||
| SOP: https://github.com/openshift/ops-sop/blob/master/hypershift/alerts/COOStackMissingSRE.md | ||
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| - alert: COOStackDegradedSRE | ||
| expr: (sum(kube_deployment_spec_replicas{deployment=~"(obo.*)|(observability-operator)", namespace="openshift-operators"}) without (instance, pod)) - (sum(kube_deployment_status_replicas_available{deployment=~"(obo.*)|(observability-operator)", namespace="openshift-operators"}) without (instance, pod)) > 0 | ||
| for: 15m | ||
| labels: | ||
| namespace: openshift-observability-operator | ||
| severity: critical | ||
| annotations: | ||
| summary: "Cluster Observability Operator or one of its component is not ready" | ||
| description: "{{$value}} replicas are not ready out of total required replicas for the Cluster Observability Operator (COO) {{$labels.deployment}} deployment" | ||
| SOP: https://github.com/openshift/ops-sop/blob/master/hypershift/alerts/COOStackDegradedSRE.md | ||
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| - name: sre-coo-workload | ||
| rules: | ||
| - alert: COOWorkloadMissingSRE | ||
| expr: | | ||
| absent(kube_statefulset_status_replicas{statefulset="prometheus-hypershift-monitoring-stack", namespace="openshift-observability-operator"}) or | ||
| absent(kube_statefulset_status_replicas{statefulset="alertmanager-hypershift-monitoring-stack", namespace="openshift-observability-operator"}) or | ||
| absent(kube_statefulset_status_replicas{statefulset="prometheus-rhobs-hypershift-monitoring-stack", namespace="openshift-observability-operator"}) or | ||
| absent(kube_statefulset_status_replicas{statefulset="alertmanager-rhobs-hypershift-monitoring-stack", namespace="openshift-observability-operator"}) | ||
| for: 15m | ||
| labels: | ||
| severity: critical | ||
| annotations: | ||
| summary: "Cluster Observability Operator workload is absent from the Management Cluster" | ||
| description: | | ||
| The following Cluster Observability Operator (COO) workload is absent or has failed to be deployed the Management Cluster for last 15 mins: | ||
| {{$labels.statefulset}} statefulset | ||
| SOP: https://github.com/openshift/ops-sop/blob/master/hypershift/alerts/COOWorkloadMissingSRE.md | ||
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| - alert: COOWorkloadDegradedSRE | ||
| expr: (kube_statefulset_replicas{namespace="openshift-observability-operator"} - kube_statefulset_status_replicas_ready{namespace="openshift-observability-operator"}) > 0 | ||
| for: 60m | ||
| labels: | ||
| severity: critical | ||
| cause: "Pods in the 'openshift-observability-operator' namespace are not all ready" | ||
| annotations: | ||
| summary: "Some pods in the 'openshift-observability-operator' namespace are not ready" | ||
| description: "At least one pod in the 'openshift-observability-operator' namespace has not been ready for the last 60 minutes." | ||
| SOP: https://github.com/openshift/ops-sop/blob/master/hypershift/alerts/COOWorkloadDegradedSRE.md | ||
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| - alert: COOWorkloadDegradedSRE | ||
| expr: increase(kube_pod_container_status_restarts_total{namespace="openshift-observability-operator"}[10m]) > 0 | ||
| for: 30m | ||
| labels: | ||
| severity: critical | ||
| cause: "Pod containers in the 'openshift-observability-operator' namespace are restarting" | ||
| annotations: | ||
| summary: "Some pod in the 'openshift-observability-operator' namespace is stuck in a restart loop" | ||
| description: "Pod {{$labels.pod}} in the 'openshift-observability-operator' namespace has been stuck in restarts for the last 30 minutes." | ||
| SOP: https://github.com/openshift/ops-sop/blob/master/hypershift/alerts/COOWorkloadDegradedSRE.md | ||
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coderabbitai[bot] marked this conversation as resolved.
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| - alert: COOWorkloadDegradedSRE | ||
| expr: | | ||
| 100 * rate(prometheus_remote_storage_samples_failed_total{namespace="openshift-observability-operator"}[5m]) / rate(prometheus_remote_storage_samples_total{namespace="openshift-observability-operator"}[5m]) > 0.1 | ||
| for: 15m | ||
| labels: | ||
| severity: critical | ||
| cause: "Prometheus pods in the 'openshift-observability-operator' namespace cannot remote write to telemeter or RHOBS" | ||
| annotations: | ||
| summary: "Some pods in the 'openshift-observability-operator' namespace cannot remote write to telemeter or RHOBS" | ||
| description: | | ||
| {{ $value | printf "%.2f" }}% of the time series cannot be be sent to {{$labels.url}} | ||
|
Contributor
There was a problem hiding this comment. or humanizePercentage without multiplying by 100 |
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| SOP: https://github.com/openshift/ops-sop/blob/master/hypershift/alerts/COOWorkloadDegradedSRE.md | ||
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coderabbitai[bot] marked this conversation as resolved.
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Do we really need a bearer token + TLS config? I assume that the metrics endpoint is plain HTTP without authentication.