--- conf: prometheus: rules: kubernetes: groups: - name: calico.rules rules: - alert: prom_exporter_calico_unavailable expr: avg_over_time(up{job="kubernetes-pods",application="calico"}[5m]) == 0 for: 10m labels: severity: warning annotations: description: Calico exporter is not collecting metrics or is not available for past 10 minutes title: Calico exporter is not collecting metrics or is not available - alert: calico_datapane_failures_high_1h expr: absent(felix_int_dataplane_failures) OR increase(felix_int_dataplane_failures[1h]) > 5 labels: severity: page annotations: description: 'Felix instance {{ $labels.instance }} has seen {{ $value }} dataplane failures within the last hour' summary: 'A high number of dataplane failures within Felix are happening' - alert: calico_datapane_address_msg_batch_size_high_5m expr: absent(felix_int_dataplane_addr_msg_batch_size_sum) OR absent(felix_int_dataplane_addr_msg_batch_size_count) OR (felix_int_dataplane_addr_msg_batch_size_sum/felix_int_dataplane_addr_msg_batch_size_count) > 5 for: 5m labels: severity: page annotations: description: 'Felix instance {{ $labels.instance }} has seen a high value of {{ $value }} dataplane address message batch size' summary: 'Felix address message batch size is higher' - alert: calico_datapane_iface_msg_batch_size_high_5m expr: absent(felix_int_dataplane_iface_msg_batch_size_sum) OR absent(felix_int_dataplane_iface_msg_batch_size_count) OR (felix_int_dataplane_iface_msg_batch_size_sum/felix_int_dataplane_iface_msg_batch_size_count) > 5 for: 5m labels: severity: page annotations: description: 'Felix instance {{ $labels.instance }} has seen a high value of {{ $value }} dataplane interface message batch size' summary: 'Felix interface message batch size is higher' - alert: calico_ipset_errors_high_1h expr: absent(felix_ipset_errors) OR increase(felix_ipset_errors[1h]) > 5 labels: severity: page annotations: description: 'Felix instance {{ $labels.instance }} has seen {{ $value }} ipset errors within the last hour' summary: 'A high number of ipset errors within Felix are happening' - alert: calico_iptable_save_errors_high_1h expr: absent(felix_iptables_save_errors) OR increase(felix_iptables_save_errors[1h]) > 5 labels: severity: page annotations: description: 'Felix instance {{ $labels.instance }} has seen {{ $value }} iptable save errors within the last hour' summary: 'A high number of iptable save errors within Felix are happening' - alert: calico_iptable_restore_errors_high_1h expr: absent(felix_iptables_restore_errors) OR increase(felix_iptables_restore_errors[1h]) > 5 labels: severity: page annotations: description: 'Felix instance {{ $labels.instance }} has seen {{ $value }} iptable restore errors within the last hour' summary: 'A high number of iptable restore errors within Felix are happening' - name: etcd3.rules rules: - alert: etcd_InsufficientMembers expr: count(up{job="etcd"} == 0) > (count(up{job="etcd"}) / 2 - 1) for: 3m labels: severity: critical annotations: description: If one more etcd member goes down the cluster will be unavailable summary: etcd cluster insufficient members - alert: etcd_NoLeader expr: etcd_server_has_leader{job="etcd"} == 0 for: 1m labels: severity: critical annotations: description: etcd member {{ $labels.instance }} has no leader summary: etcd member has no leader - alert: etcd_HighNumberOfLeaderChanges expr: increase(etcd_server_leader_changes_seen_total{job="etcd"}[1h]) > 3 labels: severity: warning annotations: description: etcd instance {{ $labels.instance }} has seen {{ $value }} leader changes within the last hour summary: a high number of leader changes within the etcd cluster are happening - alert: etcd_HighNumberOfFailedGRPCRequests expr: sum(rate(etcd_grpc_requests_failed_total{job="etcd"}[5m])) BY (grpc_method) / sum(rate(etcd_grpc_total{job="etcd"}[5m])) BY (grpc_method) > 0.01 for: 10m labels: severity: warning annotations: description: '{{ $value }}% of requests for {{ $labels.grpc_method }} failed on etcd instance {{ $labels.instance }}' summary: a high number of gRPC requests are failing - alert: etcd_HighNumberOfFailedGRPCRequests expr: sum(rate(etcd_grpc_requests_failed_total{job="etcd"}[5m])) BY (grpc_method) / sum(rate(etcd_grpc_total{job="etcd"}[5m])) BY (grpc_method) > 0.05 for: 5m labels: severity: critical annotations: description: '{{ $value }}% of requests for {{ $labels.grpc_method }} failed on etcd instance {{ $labels.instance }}' summary: a high number of gRPC requests are failing - alert: etcd_GRPCRequestsSlow expr: histogram_quantile(0.99, rate(etcd_grpc_unary_requests_duration_seconds_bucket[5m])) > 0.15 for: 10m labels: severity: critical annotations: description: on etcd instance {{ $labels.instance }} gRPC requests to {{ $labels.grpc_method }} are slow summary: slow gRPC requests - alert: etcd_HighNumberOfFailedHTTPRequests expr: sum(rate(etcd_http_failed_total{job="etcd"}[5m])) BY (method) / sum(rate(etcd_http_received_total{job="etcd"}[5m])) BY (method) > 0.01 for: 10m labels: severity: warning annotations: description: '{{ $value }}% of requests for {{ $labels.method }} failed on etcd instance {{ $labels.instance }}' summary: a high number of HTTP requests are failing - alert: etcd_HighNumberOfFailedHTTPRequests expr: sum(rate(etcd_http_failed_total{job="etcd"}[5m])) BY (method) / sum(rate(etcd_http_received_total{job="etcd"}[5m])) BY (method) > 0.05 for: 5m labels: severity: critical annotations: description: '{{ $value }}% of requests for {{ $labels.method }} failed on etcd instance {{ $labels.instance }}' summary: a high number of HTTP requests are failing - alert: etcd_HTTPRequestsSlow expr: histogram_quantile(0.99, rate(etcd_http_successful_duration_seconds_bucket[5m])) > 0.15 for: 10m labels: severity: warning annotations: description: on etcd instance {{ $labels.instance }} HTTP requests to {{ $labels.method }} are slow summary: slow HTTP requests - alert: etcd_EtcdMemberCommunicationSlow expr: histogram_quantile(0.99, rate(etcd_network_member_round_trip_time_seconds_bucket[5m])) > 0.15 for: 10m labels: severity: warning annotations: description: etcd instance {{ $labels.instance }} member communication with {{ $labels.To }} is slow summary: etcd member communication is slow - alert: etcd_HighNumberOfFailedProposals expr: increase(etcd_server_proposals_failed_total{job="etcd"}[1h]) > 5 labels: severity: warning annotations: description: etcd instance {{ $labels.instance }} has seen {{ $value }} proposal failures within the last hour summary: a high number of proposals within the etcd cluster are failing - alert: etcd_HighFsyncDurations expr: histogram_quantile(0.99, rate(etcd_disk_wal_fsync_duration_seconds_bucket[5m])) > 0.5 for: 10m labels: severity: warning annotations: description: etcd instance {{ $labels.instance }} fync durations are high summary: high fsync durations - alert: etcd_HighCommitDurations expr: histogram_quantile(0.99, rate(etcd_disk_backend_commit_duration_seconds_bucket[5m])) > 0.25 for: 10m labels: severity: warning annotations: description: etcd instance {{ $labels.instance }} commit durations are high summary: high commit durations - name: kubelet.rules rules: - alert: K8SNodeNotReady expr: kube_node_status_condition{condition="Ready", status="unknown"} == 1 or kube_node_status_condition{condition="Ready", status="false"} == 1 for: 1m labels: severity: critical annotations: description: The Kubelet on {{ $labels.node }} has not checked in with the API, or has set itself to NotReady, for more than a minute summary: '{{ $labels.node }} Node status is NotReady and {{ $labels.status }}' - alert: K8SManyNodesNotReady expr: count(kube_node_status_condition{condition="Ready", status="unknown"} == 1) > 1 and (count(kube_node_status_condition{condition="Ready", status="unknown"} == 1) / count(kube_node_status_condition{condition="Ready", status="unknown"})) > 0.2 for: 1m labels: severity: critical annotations: description: '{{ $value }} Kubernetes nodes (more than 10% are in the NotReady state).' summary: Many Kubernetes nodes are Not Ready - alert: K8SManyNodesNotReady expr: count(kube_node_status_condition{condition="Ready", status="false"} == 1) > 1 and (count(kube_node_status_condition{condition="Ready", status="false"} == 1) / count(kube_node_status_condition{condition="Ready", status="false"})) > 0.2 for: 1m labels: severity: critical annotations: description: '{{ $value }} Kubernetes nodes (more than 10% are in the NotReady state).' summary: Many Kubernetes nodes are Not Ready - alert: K8SNodesNotReady expr: count(kube_node_status_condition{condition="Ready", status="false"} == 1) > 0 or count(kube_node_status_condition{condition="Ready", status="unknown"} == 1) > 0 for: 1m labels: severity: critical annotations: description: '{{ $value }} nodes are notReady state.' summary: One or more Kubernetes nodes are Not Ready - alert: K8SKubeletDown expr: count(up{job="kubelet"} == 0) / count(up{job="kubelet"}) > 0.03 for: 1m labels: severity: critical annotations: description: Prometheus failed to scrape {{ $value }}% of kubelets. summary: Many Kubelets cannot be scraped - alert: K8SKubeletDown expr: absent(up{job="kubelet"} == 1) or count(up{job="kubelet"} == 0) / count(up{job="kubelet"}) > 0.1 for: 1m labels: severity: critical annotations: description: Prometheus failed to scrape {{ $value }}% of kubelets, or all Kubelets have disappeared from service discovery. summary: Many Kubelets cannot be scraped - alert: K8SKubeletTooManyPods expr: kubelet_running_pod_count > 100 labels: severity: warning annotations: description: Kubelet {{$labels.instance}} is running {{$value}} pods, close to the limit of 110 summary: Kubelet is close to pod limit - name: kube-apiserver.rules rules: - alert: K8SApiserverDown expr: absent(up{job="apiserver"} == 1) for: 5m labels: severity: critical annotations: description: Prometheus failed to scrape API server(s), or all API servers have disappeared from service discovery. summary: API server unreachable - alert: K8SApiServerLatency expr: histogram_quantile(0.99, sum(apiserver_request_latencies_bucket{verb!~"CONNECT|WATCHLIST|WATCH|PROXY"}) WITHOUT (instance, resource)) / 1e+06 > 1 for: 10m labels: severity: warning annotations: description: 99th percentile Latency for {{ $labels.verb }} requests to the kube-apiserver is higher than 1s. summary: Kubernetes apiserver latency is high - name: kube-controller-manager.rules rules: - alert: K8SControllerManagerDown expr: absent(up{job="kube-controller-manager-discovery"} == 1) for: 5m labels: severity: critical annotations: description: There is no running K8S controller manager. Deployments and replication controllers are not making progress. runbook: https://coreos.com/tectonic/docs/latest/troubleshooting/controller-recovery.html#recovering-a-controller-manager summary: Controller manager is down - name: kubernetes-object.rules rules: - alert: prom_exporter_kube_state_metrics_unavailable expr: avg_over_time(up{job="kube-state-metrics"}[5m]) == 0 for: 5m labels: severity: warning annotations: description: kube-state-metrics exporter is not collecting metrics or is not available for past 10 minutes title: kube-state-metrics exporter is not collecting metrics or is not available - alert: kube_statefulset_replicas_unavailable expr: kube_statefulset_status_replicas < kube_statefulset_replicas for: 5m labels: severity: page annotations: description: 'statefulset {{$labels.statefulset}} has {{$value}} replicas, which is less than desired' summary: '{{$labels.statefulset}}: has inssuficient replicas.' - alert: daemonsets_misscheduled expr: kube_daemonset_status_number_misscheduled > 0 for: 10m labels: severity: warning annotations: description: 'Daemonset {{$labels.daemonset}} is running where it is not supposed to run' summary: 'Daemonsets not scheduled correctly' - alert: daemonsets_not_scheduled expr: kube_daemonset_status_desired_number_scheduled - kube_daemonset_status_current_number_scheduled > 0 for: 10m labels: severity: warning annotations: description: '{{ $value }} of Daemonset {{$labels.daemonset}} scheduled which is less than desired number' summary: 'Less than desired number of daemonsets scheduled' - alert: daemonset_pods_unavailable expr: kube_daemonset_status_number_unavailable > 0 for: 10m labels: severity: warning annotations: description: 'Daemonset {{$labels.daemonset}} currently has pods unavailable' summary: 'Daemonset pods unavailable, due to one of many reasons' - alert: deployment_replicas_unavailable expr: kube_deployment_status_replicas_unavailable > 0 for: 10m labels: severity: page annotations: description: 'deployment {{$labels.deployment}} has {{$value}} replicas unavailable' summary: '{{$labels.deployment}}: has inssuficient replicas.' - alert: rollingupdate_deployment_replica_less_than_spec_max_unavailable expr: kube_deployment_status_replicas_available - kube_deployment_spec_strategy_rollingupdate_max_unavailable < 0 for: 10m labels: severity: page annotations: description: 'deployment {{$labels.deployment}} has {{$value}} replicas available which is less than specified as max unavailable during a rolling update' summary: '{{$labels.deployment}}: has inssuficient replicas during a rolling update.' - alert: job_status_failed expr: kube_job_status_failed > 0 for: 10m labels: severity: page annotations: description: 'Job {{$labels.exported_job}} is in failed status' summary: '{{$labels.exported_job}} has failed status' - alert: pod_status_pending expr: kube_pod_status_phase{phase="Pending"} == 1 for: 10m labels: severity: page annotations: description: 'Pod {{$labels.pod}} in namespace {{$labels.namespace}} has been in pending status for more than 10 minutes' summary: 'Pod {{$labels.pod}} in namespace {{$labels.namespace}} in pending status' - alert: pod_status_error_image_pull expr: kube_pod_container_status_waiting_reason {reason="ErrImagePull"} == 1 for: 10m labels: severity: page annotations: description: 'Pod {{$labels.pod}} in namespace {{$labels.namespace}} has an Image pull error for more than 10 minutes' summary: 'Pod {{$labels.pod}} in namespace {{$labels.namespace}} in error status' - alert: pod_status_error_image_pull_backoff expr: kube_pod_container_status_waiting_reason {reason="ImagePullBackOff"} == 1 for: 10m labels: severity: page annotations: description: 'Pod {{$labels.pod}} in namespace {{$labels.namespace}} has an ImagePullBackOff error for more than 10 minutes' summary: 'Pod {{$labels.pod}} in namespace {{$labels.namespace}} in error status' - alert: pod_error_crash_loop_back_off expr: kube_pod_container_status_waiting_reason {reason="CrashLoopBackOff"} == 1 for: 10m labels: severity: page annotations: description: 'Pod {{$labels.pod}} in namespace {{$labels.namespace}} has an CrashLoopBackOff error for more than 10 minutes' summary: 'Pod {{$labels.pod}} in namespace {{$labels.namespace}} in error status' - alert: pod_error_config_error expr: kube_pod_container_status_waiting_reason {reason="CreateContainerConfigError"} == 1 for: 10m labels: severity: page annotations: description: 'Pod {{$labels.pod}} in namespace {{$labels.namespace}} has a CreateContainerConfigError error for more than 10 minutes' summary: 'Pod {{$labels.pod}} in namespace {{$labels.namespace}} in error status' - alert: replicaset_missing_replicas expr: kube_replicaset_spec_replicas - kube_replicaset_status_ready_replicas > 0 for: 10m labels: severity: page annotations: description: 'Replicaset {{$labels.replicaset}} is missing desired number of replicas for more than 10 minutes' summary: 'Replicaset {{$labels.replicaset}} is missing replicas' - alert: pod_container_terminated expr: kube_pod_container_status_terminated_reason{reason=~"OOMKilled|Error|ContainerCannotRun"} > 0 for: 10m labels: severity: page annotations: description: 'Pod {{$labels.pod}} in namespace {{$labels.namespace}} has a container terminated for more than 10 minutes' summary: 'Pod {{$labels.pod}} in namespace {{$labels.namespace}} in error status' - alert: volume_claim_capacity_high_utilization expr: 100 * kubelet_volume_stats_used_bytes / kubelet_volume_stats_capacity_bytes > 80 for: 5m labels: severity: page annotations: description: 'volume claim {{$labels.persistentvolumeclaim}} usage has exceeded 80% of total capacity' summary: '{{$labels.persistentvolumeclaim}} usage has exceeded 80% of total capacity.' ...