fix: Add rules and remove CPU limit for x509

This commit is contained in:
2025-06-20 16:40:59 +02:00
parent cd5ff63c8a
commit 73ca5987fe
10 changed files with 1189 additions and 2 deletions
+183
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groups:
- name: etcd
rules:
- alert: etcdMembersDown
annotations:
description: 'etcd cluster "{{ $labels.job }}": members are down ({{ $value
}}).'
summary: etcd cluster members are down.
expr: |-
max without (endpoint) (
sum without (instance) (up{job=~".*etcd.*"} == bool 0)
or
count without (To) (
sum without (instance) (rate(etcd_network_peer_sent_failures_total{job=~".*etcd.*"}[120s])) > 0.01
)
)
> 0
for: 10m
labels:
severity: critical
- alert: etcdInsufficientMembers
annotations:
description: 'etcd cluster "{{ $labels.job }}": insufficient members ({{ $value
}}).'
summary: etcd cluster has insufficient number of members.
expr: sum(up{job=~".*etcd.*"} == bool 1) without (instance) < ((count(up{job=~".*etcd.*"})
without (instance) + 1) / 2)
for: 3m
labels:
severity: critical
- alert: etcdNoLeader
annotations:
description: 'etcd cluster "{{ $labels.job }}": member {{ $labels.instance }}
has no leader.'
summary: etcd cluster has no leader.
expr: etcd_server_has_leader{job=~".*etcd.*"} == 0
for: 1m
labels:
severity: critical
- alert: etcdHighNumberOfLeaderChanges
annotations:
description: 'etcd cluster "{{ $labels.job }}": {{ $value }} leader changes
within the last 15 minutes. Frequent elections may be a sign of insufficient
resources, high network latency, or disruptions by other components and should
be investigated.'
summary: etcd cluster has high number of leader changes.
expr: increase((max without (instance) (etcd_server_leader_changes_seen_total{job=~".*etcd.*"})
or 0*absent(etcd_server_leader_changes_seen_total{job=~".*etcd.*"}))[15m:1m])
>= 4
for: 5m
labels:
severity: warning
- alert: etcdHighNumberOfFailedGRPCRequests
annotations:
description: 'etcd cluster "{{ $labels.job }}": {{ $value }}% of requests for
{{ $labels.grpc_method }} failed on etcd instance {{ $labels.instance }}.'
summary: etcd cluster has high number of failed grpc requests.
expr: |-
100 * sum(rate(grpc_server_handled_total{job=~".*etcd.*", grpc_code=~"Unknown|FailedPrecondition|ResourceExhausted|Internal|Unavailable|DataLoss|DeadlineExceeded"}[5m])) without (grpc_type, grpc_code)
/
sum(rate(grpc_server_handled_total{job=~".*etcd.*"}[5m])) without (grpc_type, grpc_code)
> 1
for: 10m
labels:
severity: warning
- alert: etcdHighNumberOfFailedGRPCRequests
annotations:
description: 'etcd cluster "{{ $labels.job }}": {{ $value }}% of requests for
{{ $labels.grpc_method }} failed on etcd instance {{ $labels.instance }}.'
summary: etcd cluster has high number of failed grpc requests.
expr: |-
100 * sum(rate(grpc_server_handled_total{job=~".*etcd.*", grpc_code=~"Unknown|FailedPrecondition|ResourceExhausted|Internal|Unavailable|DataLoss|DeadlineExceeded"}[5m])) without (grpc_type, grpc_code)
/
sum(rate(grpc_server_handled_total{job=~".*etcd.*"}[5m])) without (grpc_type, grpc_code)
> 5
for: 5m
labels:
severity: critical
- alert: etcdGRPCRequestsSlow
annotations:
description: 'etcd cluster "{{ $labels.job }}": 99th percentile of gRPC requests
is {{ $value }}s on etcd instance {{ $labels.instance }} for {{ $labels.grpc_method
}} method.'
summary: etcd grpc requests are slow
expr: |-
histogram_quantile(0.99, sum(rate(grpc_server_handling_seconds_bucket{job=~".*etcd.*", grpc_method!="Defragment", grpc_type="unary"}[5m])) without(grpc_type))
> 0.15
for: 10m
labels:
severity: critical
- alert: etcdMemberCommunicationSlow
annotations:
description: 'etcd cluster "{{ $labels.job }}": member communication with {{
$labels.To }} is taking {{ $value }}s on etcd instance {{ $labels.instance
}}.'
summary: etcd cluster member communication is slow.
expr: |-
histogram_quantile(0.99, rate(etcd_network_peer_round_trip_time_seconds_bucket{job=~".*etcd.*"}[5m]))
> 0.15
for: 10m
labels:
severity: warning
- alert: etcdHighNumberOfFailedProposals
annotations:
description: 'etcd cluster "{{ $labels.job }}": {{ $value }} proposal failures
within the last 30 minutes on etcd instance {{ $labels.instance }}.'
summary: etcd cluster has high number of proposal failures.
expr: rate(etcd_server_proposals_failed_total{job=~".*etcd.*"}[15m]) > 5
for: 15m
labels:
severity: warning
- alert: etcdHighFsyncDurations
annotations:
description: 'etcd cluster "{{ $labels.job }}": 99th percentile fsync durations
are {{ $value }}s on etcd instance {{ $labels.instance }}.'
summary: etcd cluster 99th percentile fsync durations are too high.
expr: |-
histogram_quantile(0.99, rate(etcd_disk_wal_fsync_duration_seconds_bucket{job=~".*etcd.*"}[5m]))
> 0.5
for: 10m
labels:
severity: warning
- alert: etcdHighFsyncDurations
annotations:
description: 'etcd cluster "{{ $labels.job }}": 99th percentile fsync durations
are {{ $value }}s on etcd instance {{ $labels.instance }}.'
summary: etcd cluster 99th percentile fsync durations are too high.
expr: |-
histogram_quantile(0.99, rate(etcd_disk_wal_fsync_duration_seconds_bucket{job=~".*etcd.*"}[5m]))
> 1
for: 10m
labels:
severity: critical
- alert: etcdHighCommitDurations
annotations:
description: 'etcd cluster "{{ $labels.job }}": 99th percentile commit durations
{{ $value }}s on etcd instance {{ $labels.instance }}.'
summary: etcd cluster 99th percentile commit durations are too high.
expr: |-
histogram_quantile(0.99, rate(etcd_disk_backend_commit_duration_seconds_bucket{job=~".*etcd.*"}[5m]))
> 0.25
for: 10m
labels:
severity: warning
- alert: etcdDatabaseQuotaLowSpace
annotations:
description: 'etcd cluster "{{ $labels.job }}": database size exceeds the defined
quota on etcd instance {{ $labels.instance }}, please defrag or increase the
quota as the writes to etcd will be disabled when it is full.'
summary: etcd cluster database is running full.
expr: (last_over_time(etcd_mvcc_db_total_size_in_bytes{job=~".*etcd.*"}[5m]) /
last_over_time(etcd_server_quota_backend_bytes{job=~".*etcd.*"}[5m]))*100 >
95
for: 10m
labels:
severity: critical
- alert: etcdExcessiveDatabaseGrowth
annotations:
description: 'etcd cluster "{{ $labels.job }}": Predicting running out of disk
space in the next four hours, based on write observations within the past
four hours on etcd instance {{ $labels.instance }}, please check as it might
be disruptive.'
summary: etcd cluster database growing very fast.
expr: predict_linear(etcd_mvcc_db_total_size_in_bytes{job=~".*etcd.*"}[4h], 4*60*60)
> etcd_server_quota_backend_bytes{job=~".*etcd.*"}
for: 10m
labels:
severity: warning
- alert: etcdDatabaseHighFragmentationRatio
annotations:
description: 'etcd cluster "{{ $labels.job }}": database size in use on instance
{{ $labels.instance }} is {{ $value | humanizePercentage }} of the actual
allocated disk space, please run defragmentation (e.g. etcdctl defrag) to
retrieve the unused fragmented disk space.'
runbook_url: https://etcd.io/docs/v3.5/op-guide/maintenance/#defragmentation
summary: etcd database size in use is less than 50% of the actual allocated
storage.
expr: (last_over_time(etcd_mvcc_db_total_size_in_use_in_bytes{job=~".*etcd.*"}[5m])
/ last_over_time(etcd_mvcc_db_total_size_in_bytes{job=~".*etcd.*"}[5m])) < 0.5
and etcd_mvcc_db_total_size_in_use_in_bytes{job=~".*etcd.*"} > 104857600
for: 10m
labels:
severity: warning
+43
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groups:
- name: general.rules
rules:
- alert: TargetDown
annotations:
description: '{{ printf "%.4g" $value }}% of the {{ $labels.job }}/{{ $labels.service
}} targets in {{ $labels.namespace }} namespace are down.'
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/general/targetdown
summary: One or more targets are unreachable.
expr: 100 * (count(up == 0) BY (cluster, job, namespace, service) / count(up)
BY (cluster, job, namespace, service)) > 10
for: 10m
labels:
severity: warning
- alert: Watchdog
annotations:
description: |
This is an alert meant to ensure that the entire alerting pipeline is functional.
This alert is always firing, therefore it should always be firing in Alertmanager
and always fire against a receiver. There are integrations with various notification
mechanisms that send a notification when this alert is not firing. For example the
"DeadMansSnitch" integration in PagerDuty.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/general/watchdog
summary: An alert that should always be firing to certify that Alertmanager
is working properly.
expr: vector(1)
labels:
severity: none
- alert: InfoInhibitor
annotations:
description: |
This is an alert that is used to inhibit info alerts.
By themselves, the info-level alerts are sometimes very noisy, but they are relevant when combined with
other alerts.
This alert fires whenever there's a severity="info" alert, and stops firing when another alert with a
severity of 'warning' or 'critical' starts firing on the same namespace.
This alert should be routed to a null receiver and configured to inhibit alerts with severity="info".
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/general/infoinhibitor
summary: Info-level alert inhibition.
expr: ALERTS{severity = "info"} == 1 unless on (namespace) ALERTS{alertname !=
"InfoInhibitor", severity =~ "warning|critical", alertstate="firing"} == 1
labels:
severity: none
+262
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groups:
- name: kubernetes-apps
rules:
- alert: KubePodCrashLooping
annotations:
description: 'Pod {{ $labels.namespace }}/{{ $labels.pod }} ({{ $labels.container
}}) is in waiting state (reason: "CrashLoopBackOff").'
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubepodcrashlooping
summary: Pod is crash looping.
expr: max_over_time(kube_pod_container_status_waiting_reason{reason="CrashLoopBackOff",
job="kube-state-metrics", namespace=~".*"}[5m]) >= 1
for: 15m
labels:
severity: warning
- alert: KubePodNotReady
annotations:
description: Pod {{ $labels.namespace }}/{{ $labels.pod }} has been in a non-ready
state for longer than 15 minutes.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubepodnotready
summary: Pod has been in a non-ready state for more than 15 minutes.
expr: |-
sum by (namespace, pod, cluster) (
max by (namespace, pod, cluster) (
kube_pod_status_phase{job="kube-state-metrics", namespace=~".*", phase=~"Pending|Unknown|Failed"}
) * on (namespace, pod, cluster) group_left(owner_kind) topk by (namespace, pod, cluster) (
1, max by (namespace, pod, owner_kind, cluster) (kube_pod_owner{owner_kind!="Job"})
)
) > 0
for: 15m
labels:
severity: warning
- alert: KubeDeploymentGenerationMismatch
annotations:
description: Deployment generation for {{ $labels.namespace }}/{{ $labels.deployment
}} does not match, this indicates that the Deployment has failed but has not
been rolled back.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubedeploymentgenerationmismatch
summary: Deployment generation mismatch due to possible roll-back
expr: |-
kube_deployment_status_observed_generation{job="kube-state-metrics", namespace=~".*"}
!=
kube_deployment_metadata_generation{job="kube-state-metrics", namespace=~".*"}
for: 15m
labels:
severity: warning
- alert: KubeDeploymentReplicasMismatch
annotations:
description: Deployment {{ $labels.namespace }}/{{ $labels.deployment }} has
not matched the expected number of replicas for longer than 15 minutes.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubedeploymentreplicasmismatch
summary: Deployment has not matched the expected number of replicas.
expr: |-
(
kube_deployment_spec_replicas{job="kube-state-metrics", namespace=~".*"}
>
kube_deployment_status_replicas_available{job="kube-state-metrics", namespace=~".*"}
) and (
changes(kube_deployment_status_replicas_updated{job="kube-state-metrics", namespace=~".*"}[10m])
==
0
)
for: 15m
labels:
severity: warning
- alert: KubeDeploymentRolloutStuck
annotations:
description: Rollout of deployment {{ $labels.namespace }}/{{ $labels.deployment
}} is not progressing for longer than 15 minutes.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubedeploymentrolloutstuck
summary: Deployment rollout is not progressing.
expr: |-
kube_deployment_status_condition{condition="Progressing", status="false",job="kube-state-metrics", namespace=~".*"}
!= 0
for: 15m
labels:
severity: warning
- alert: KubeStatefulSetReplicasMismatch
annotations:
description: StatefulSet {{ $labels.namespace }}/{{ $labels.statefulset }} has
not matched the expected number of replicas for longer than 15 minutes.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubestatefulsetreplicasmismatch
summary: StatefulSet has not matched the expected number of replicas.
expr: |-
(
kube_statefulset_status_replicas_ready{job="kube-state-metrics", namespace=~".*"}
!=
kube_statefulset_status_replicas{job="kube-state-metrics", namespace=~".*"}
) and (
changes(kube_statefulset_status_replicas_updated{job="kube-state-metrics", namespace=~".*"}[10m])
==
0
)
for: 15m
labels:
severity: warning
- alert: KubeStatefulSetGenerationMismatch
annotations:
description: StatefulSet generation for {{ $labels.namespace }}/{{ $labels.statefulset
}} does not match, this indicates that the StatefulSet has failed but has
not been rolled back.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubestatefulsetgenerationmismatch
summary: StatefulSet generation mismatch due to possible roll-back
expr: |-
kube_statefulset_status_observed_generation{job="kube-state-metrics", namespace=~".*"}
!=
kube_statefulset_metadata_generation{job="kube-state-metrics", namespace=~".*"}
for: 15m
labels:
severity: warning
- alert: KubeStatefulSetUpdateNotRolledOut
annotations:
description: StatefulSet {{ $labels.namespace }}/{{ $labels.statefulset }} update
has not been rolled out.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubestatefulsetupdatenotrolledout
summary: StatefulSet update has not been rolled out.
expr: |-
(
max by (namespace, statefulset) (
kube_statefulset_status_current_revision{job="kube-state-metrics", namespace=~".*"}
unless
kube_statefulset_status_update_revision{job="kube-state-metrics", namespace=~".*"}
)
*
(
kube_statefulset_replicas{job="kube-state-metrics", namespace=~".*"}
!=
kube_statefulset_status_replicas_updated{job="kube-state-metrics", namespace=~".*"}
)
) and (
changes(kube_statefulset_status_replicas_updated{job="kube-state-metrics", namespace=~".*"}[5m])
==
0
)
for: 15m
labels:
severity: warning
- alert: KubeDaemonSetRolloutStuck
annotations:
description: DaemonSet {{ $labels.namespace }}/{{ $labels.daemonset }} has not
finished or progressed for at least 15 minutes.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubedaemonsetrolloutstuck
summary: DaemonSet rollout is stuck.
expr: |-
(
(
kube_daemonset_status_current_number_scheduled{job="kube-state-metrics", namespace=~".*"}
!=
kube_daemonset_status_desired_number_scheduled{job="kube-state-metrics", namespace=~".*"}
) or (
kube_daemonset_status_number_misscheduled{job="kube-state-metrics", namespace=~".*"}
!=
0
) or (
kube_daemonset_status_updated_number_scheduled{job="kube-state-metrics", namespace=~".*"}
!=
kube_daemonset_status_desired_number_scheduled{job="kube-state-metrics", namespace=~".*"}
) or (
kube_daemonset_status_number_available{job="kube-state-metrics", namespace=~".*"}
!=
kube_daemonset_status_desired_number_scheduled{job="kube-state-metrics", namespace=~".*"}
)
) and (
changes(kube_daemonset_status_updated_number_scheduled{job="kube-state-metrics", namespace=~".*"}[5m])
==
0
)
for: 15m
labels:
severity: warning
- alert: KubeContainerWaiting
annotations:
description: pod/{{ $labels.pod }} in namespace {{ $labels.namespace }} on container
{{ $labels.container}} has been in waiting state for longer than 1 hour.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubecontainerwaiting
summary: Pod container waiting longer than 1 hour
expr: sum by (namespace, pod, container, cluster) (kube_pod_container_status_waiting_reason{job="kube-state-metrics",
namespace=~".*"}) > 0
for: 1h
labels:
severity: warning
- alert: KubeDaemonSetNotScheduled
annotations:
description: '{{ $value }} Pods of DaemonSet {{ $labels.namespace }}/{{ $labels.daemonset
}} are not scheduled.'
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubedaemonsetnotscheduled
summary: DaemonSet pods are not scheduled.
expr: |-
kube_daemonset_status_desired_number_scheduled{job="kube-state-metrics", namespace=~".*"}
-
kube_daemonset_status_current_number_scheduled{job="kube-state-metrics", namespace=~".*"} > 0
for: 10m
labels:
severity: warning
- alert: KubeDaemonSetMisScheduled
annotations:
description: '{{ $value }} Pods of DaemonSet {{ $labels.namespace }}/{{ $labels.daemonset
}} are running where they are not supposed to run.'
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubedaemonsetmisscheduled
summary: DaemonSet pods are misscheduled.
expr: kube_daemonset_status_number_misscheduled{job="kube-state-metrics", namespace=~".*"}
> 0
for: 15m
labels:
severity: warning
- alert: KubeJobNotCompleted
annotations:
description: Job {{ $labels.namespace }}/{{ $labels.job_name }} is taking more
than {{ "43200" | humanizeDuration }} to complete.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubejobnotcompleted
summary: Job did not complete in time
expr: |-
time() - max by (namespace, job_name, cluster) (kube_job_status_start_time{job="kube-state-metrics", namespace=~".*"}
and
kube_job_status_active{job="kube-state-metrics", namespace=~".*"} > 0) > 43200
labels:
severity: warning
- alert: KubeJobFailed
annotations:
description: Job {{ $labels.namespace }}/{{ $labels.job_name }} failed to complete.
Removing failed job after investigation should clear this alert.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubejobfailed
summary: Job failed to complete.
expr: kube_job_failed{job="kube-state-metrics", namespace=~".*"} > 0
for: 15m
labels:
severity: warning
- alert: KubeHpaReplicasMismatch
annotations:
description: HPA {{ $labels.namespace }}/{{ $labels.horizontalpodautoscaler }}
has not matched the desired number of replicas for longer than 15 minutes.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubehpareplicasmismatch
summary: HPA has not matched desired number of replicas.
expr: |-
(kube_horizontalpodautoscaler_status_desired_replicas{job="kube-state-metrics", namespace=~".*"}
!=
kube_horizontalpodautoscaler_status_current_replicas{job="kube-state-metrics", namespace=~".*"})
and
(kube_horizontalpodautoscaler_status_current_replicas{job="kube-state-metrics", namespace=~".*"}
>
kube_horizontalpodautoscaler_spec_min_replicas{job="kube-state-metrics", namespace=~".*"})
and
(kube_horizontalpodautoscaler_status_current_replicas{job="kube-state-metrics", namespace=~".*"}
<
kube_horizontalpodautoscaler_spec_max_replicas{job="kube-state-metrics", namespace=~".*"})
and
changes(kube_horizontalpodautoscaler_status_current_replicas{job="kube-state-metrics", namespace=~".*"}[15m]) == 0
for: 15m
labels:
severity: warning
- alert: KubeHpaMaxedOut
annotations:
description: HPA {{ $labels.namespace }}/{{ $labels.horizontalpodautoscaler }}
has been running at max replicas for longer than 15 minutes.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubehpamaxedout
summary: HPA is running at max replicas
expr: |-
kube_horizontalpodautoscaler_status_current_replicas{job="kube-state-metrics", namespace=~".*"}
==
kube_horizontalpodautoscaler_spec_max_replicas{job="kube-state-metrics", namespace=~".*"}
for: 15m
labels:
severity: warning
+115
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groups:
- name: kubernetes-resources
rules:
- alert: KubeCPUOvercommit
annotations:
description: Cluster {{ $labels.cluster }} has overcommitted CPU resource requests
for Pods by {{ $value }} CPU shares and cannot tolerate node failure.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubecpuovercommit
summary: Cluster has overcommitted CPU resource requests.
expr: |-
sum(namespace_cpu:kube_pod_container_resource_requests:sum{}) by (cluster) - (sum(kube_node_status_allocatable{job="kube-state-metrics",resource="cpu"}) by (cluster) - max(kube_node_status_allocatable{job="kube-state-metrics",resource="cpu"}) by (cluster)) > 0
and
(sum(kube_node_status_allocatable{job="kube-state-metrics",resource="cpu"}) by (cluster) - max(kube_node_status_allocatable{job="kube-state-metrics",resource="cpu"}) by (cluster)) > 0
for: 10m
labels:
severity: warning
- alert: KubeMemoryOvercommit
annotations:
description: Cluster {{ $labels.cluster }} has overcommitted memory resource
requests for Pods by {{ $value | humanize }} bytes and cannot tolerate node
failure.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubememoryovercommit
summary: Cluster has overcommitted memory resource requests.
expr: |-
sum(namespace_memory:kube_pod_container_resource_requests:sum{}) by (cluster) - (sum(kube_node_status_allocatable{resource="memory", job="kube-state-metrics"}) by (cluster) - max(kube_node_status_allocatable{resource="memory", job="kube-state-metrics"}) by (cluster)) > 0
and
(sum(kube_node_status_allocatable{resource="memory", job="kube-state-metrics"}) by (cluster) - max(kube_node_status_allocatable{resource="memory", job="kube-state-metrics"}) by (cluster)) > 0
for: 10m
labels:
severity: warning
- alert: KubeCPUQuotaOvercommit
annotations:
description: Cluster {{ $labels.cluster }} has overcommitted CPU resource requests
for Namespaces.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubecpuquotaovercommit
summary: Cluster has overcommitted CPU resource requests.
expr: |-
sum(min without(resource) (kube_resourcequota{job="kube-state-metrics", type="hard", resource=~"(cpu|requests.cpu)"})) by (cluster)
/
sum(kube_node_status_allocatable{resource="cpu", job="kube-state-metrics"}) by (cluster)
> 1.5
for: 5m
labels:
severity: warning
- alert: KubeMemoryQuotaOvercommit
annotations:
description: Cluster {{ $labels.cluster }} has overcommitted memory resource
requests for Namespaces.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubememoryquotaovercommit
summary: Cluster has overcommitted memory resource requests.
expr: |-
sum(min without(resource) (kube_resourcequota{job="kube-state-metrics", type="hard", resource=~"(memory|requests.memory)"})) by (cluster)
/
sum(kube_node_status_allocatable{resource="memory", job="kube-state-metrics"}) by (cluster)
> 1.5
for: 5m
labels:
severity: warning
- alert: KubeQuotaAlmostFull
annotations:
description: Namespace {{ $labels.namespace }} is using {{ $value | humanizePercentage
}} of its {{ $labels.resource }} quota.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubequotaalmostfull
summary: Namespace quota is going to be full.
expr: |-
kube_resourcequota{job="kube-state-metrics", type="used"}
/ ignoring(instance, job, type)
(kube_resourcequota{job="kube-state-metrics", type="hard"} > 0)
> 0.9 < 1
for: 15m
labels:
severity: info
- alert: KubeQuotaFullyUsed
annotations:
description: Namespace {{ $labels.namespace }} is using {{ $value | humanizePercentage
}} of its {{ $labels.resource }} quota.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubequotafullyused
summary: Namespace quota is fully used.
expr: |-
kube_resourcequota{job="kube-state-metrics", type="used"}
/ ignoring(instance, job, type)
(kube_resourcequota{job="kube-state-metrics", type="hard"} > 0)
== 1
for: 15m
labels:
severity: info
- alert: KubeQuotaExceeded
annotations:
description: Namespace {{ $labels.namespace }} is using {{ $value | humanizePercentage
}} of its {{ $labels.resource }} quota.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubequotaexceeded
summary: Namespace quota has exceeded the limits.
expr: |-
kube_resourcequota{job="kube-state-metrics", type="used"}
/ ignoring(instance, job, type)
(kube_resourcequota{job="kube-state-metrics", type="hard"} > 0)
> 1
for: 15m
labels:
severity: warning
- alert: CPUThrottlingHigh
annotations:
description: '{{ $value | humanizePercentage }} throttling of CPU in namespace
{{ $labels.namespace }} for container {{ $labels.container }} in pod {{ $labels.pod
}}.'
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/cputhrottlinghigh
summary: Processes experience elevated CPU throttling.
expr: |-
sum(increase(container_cpu_cfs_throttled_periods_total{container!="", }[5m])) by (cluster, container, pod, namespace)
/
sum(increase(container_cpu_cfs_periods_total{}[5m])) by (cluster, container, pod, namespace)
> ( 25 / 100 )
for: 15m
labels:
severity: info
+109
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@@ -0,0 +1,109 @@
groups:
- name: kubernetes-storage
rules:
- alert: KubePersistentVolumeFillingUp
annotations:
description: The PersistentVolume claimed by {{ $labels.persistentvolumeclaim
}} in Namespace {{ $labels.namespace }} {{ with $labels.cluster -}} on Cluster
{{ . }} {{- end }} is only {{ $value | humanizePercentage }} free.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubepersistentvolumefillingup
summary: PersistentVolume is filling up.
expr: |-
(
kubelet_volume_stats_available_bytes{job="kubelet", namespace=~".*", metrics_path="/metrics"}
/
kubelet_volume_stats_capacity_bytes{job="kubelet", namespace=~".*", metrics_path="/metrics"}
) < 0.03
and
kubelet_volume_stats_used_bytes{job="kubelet", namespace=~".*", metrics_path="/metrics"} > 0
unless on (cluster, namespace, persistentvolumeclaim)
kube_persistentvolumeclaim_access_mode{ access_mode="ReadOnlyMany"} == 1
unless on (cluster, namespace, persistentvolumeclaim)
kube_persistentvolumeclaim_labels{label_excluded_from_alerts="true"} == 1
for: 1m
labels:
severity: critical
- alert: KubePersistentVolumeFillingUp
annotations:
description: Based on recent sampling, the PersistentVolume claimed by {{ $labels.persistentvolumeclaim
}} in Namespace {{ $labels.namespace }} {{ with $labels.cluster -}} on Cluster
{{ . }} {{- end }} is expected to fill up within four days. Currently {{ $value
| humanizePercentage }} is available.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubepersistentvolumefillingup
summary: PersistentVolume is filling up.
expr: |-
(
kubelet_volume_stats_available_bytes{job="kubelet", namespace=~".*", metrics_path="/metrics"}
/
kubelet_volume_stats_capacity_bytes{job="kubelet", namespace=~".*", metrics_path="/metrics"}
) < 0.15
and
kubelet_volume_stats_used_bytes{job="kubelet", namespace=~".*", metrics_path="/metrics"} > 0
and
predict_linear(kubelet_volume_stats_available_bytes{job="kubelet", namespace=~".*", metrics_path="/metrics"}[6h], 4 * 24 * 3600) < 0
unless on (cluster, namespace, persistentvolumeclaim)
kube_persistentvolumeclaim_access_mode{ access_mode="ReadOnlyMany"} == 1
unless on (cluster, namespace, persistentvolumeclaim)
kube_persistentvolumeclaim_labels{label_excluded_from_alerts="true"} == 1
for: 1h
labels:
severity: warning
- alert: KubePersistentVolumeInodesFillingUp
annotations:
description: The PersistentVolume claimed by {{ $labels.persistentvolumeclaim
}} in Namespace {{ $labels.namespace }} {{ with $labels.cluster -}} on Cluster
{{ . }} {{- end }} only has {{ $value | humanizePercentage }} free inodes.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubepersistentvolumeinodesfillingup
summary: PersistentVolumeInodes are filling up.
expr: |-
(
kubelet_volume_stats_inodes_free{job="kubelet", namespace=~".*", metrics_path="/metrics"}
/
kubelet_volume_stats_inodes{job="kubelet", namespace=~".*", metrics_path="/metrics"}
) < 0.03
and
kubelet_volume_stats_inodes_used{job="kubelet", namespace=~".*", metrics_path="/metrics"} > 0
unless on (cluster, namespace, persistentvolumeclaim)
kube_persistentvolumeclaim_access_mode{ access_mode="ReadOnlyMany"} == 1
unless on (cluster, namespace, persistentvolumeclaim)
kube_persistentvolumeclaim_labels{label_excluded_from_alerts="true"} == 1
for: 1m
labels:
severity: critical
- alert: KubePersistentVolumeInodesFillingUp
annotations:
description: Based on recent sampling, the PersistentVolume claimed by {{ $labels.persistentvolumeclaim
}} in Namespace {{ $labels.namespace }} {{ with $labels.cluster -}} on Cluster
{{ . }} {{- end }} is expected to run out of inodes within four days. Currently
{{ $value | humanizePercentage }} of its inodes are free.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubepersistentvolumeinodesfillingup
summary: PersistentVolumeInodes are filling up.
expr: |-
(
kubelet_volume_stats_inodes_free{job="kubelet", namespace=~".*", metrics_path="/metrics"}
/
kubelet_volume_stats_inodes{job="kubelet", namespace=~".*", metrics_path="/metrics"}
) < 0.15
and
kubelet_volume_stats_inodes_used{job="kubelet", namespace=~".*", metrics_path="/metrics"} > 0
and
predict_linear(kubelet_volume_stats_inodes_free{job="kubelet", namespace=~".*", metrics_path="/metrics"}[6h], 4 * 24 * 3600) < 0
unless on (cluster, namespace, persistentvolumeclaim)
kube_persistentvolumeclaim_access_mode{ access_mode="ReadOnlyMany"} == 1
unless on (cluster, namespace, persistentvolumeclaim)
kube_persistentvolumeclaim_labels{label_excluded_from_alerts="true"} == 1
for: 1h
labels:
severity: warning
- alert: KubePersistentVolumeErrors
annotations:
description: The persistent volume {{ $labels.persistentvolume }} {{ with $labels.cluster
-}} on Cluster {{ . }} {{- end }} has status {{ $labels.phase }}.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/kubernetes/kubepersistentvolumeerrors
summary: PersistentVolume is having issues with provisioning.
expr: kube_persistentvolume_status_phase{phase=~"Failed|Pending",job="kube-state-metrics"}
> 0
for: 5m
labels:
severity: critical
+340
View File
@@ -0,0 +1,340 @@
groups:
- name: node-exporter
rules:
- alert: NodeFilesystemSpaceFillingUp
annotations:
description: Filesystem on {{ $labels.device }}, mounted on {{ $labels.mountpoint
}}, at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available
space left and is filling up.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodefilesystemspacefillingup
summary: Filesystem is predicted to run out of space within the next 24 hours.
expr: |-
(
node_filesystem_avail_bytes{job="node-exporter",fstype!="",mountpoint!=""} / node_filesystem_size_bytes{job="node-exporter",fstype!="",mountpoint!=""} * 100 < 15
and
predict_linear(node_filesystem_avail_bytes{job="node-exporter",fstype!="",mountpoint!=""}[6h], 24*60*60) < 0
and
node_filesystem_readonly{job="node-exporter",fstype!="",mountpoint!=""} == 0
)
for: 1h
labels:
severity: warning
- alert: NodeFilesystemSpaceFillingUp
annotations:
description: Filesystem on {{ $labels.device }}, mounted on {{ $labels.mountpoint
}}, at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available
space left and is filling up fast.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodefilesystemspacefillingup
summary: Filesystem is predicted to run out of space within the next 4 hours.
expr: |-
(
node_filesystem_avail_bytes{job="node-exporter",fstype!="",mountpoint!=""} / node_filesystem_size_bytes{job="node-exporter",fstype!="",mountpoint!=""} * 100 < 10
and
predict_linear(node_filesystem_avail_bytes{job="node-exporter",fstype!="",mountpoint!=""}[6h], 4*60*60) < 0
and
node_filesystem_readonly{job="node-exporter",fstype!="",mountpoint!=""} == 0
)
for: 1h
labels:
severity: critical
- alert: NodeFilesystemAlmostOutOfSpace
annotations:
description: Filesystem on {{ $labels.device }}, mounted on {{ $labels.mountpoint
}}, at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available
space left.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodefilesystemalmostoutofspace
summary: Filesystem has less than 5% space left.
expr: |-
(
node_filesystem_avail_bytes{job="node-exporter",fstype!="",mountpoint!=""} / node_filesystem_size_bytes{job="node-exporter",fstype!="",mountpoint!=""} * 100 < 5
and
node_filesystem_readonly{job="node-exporter",fstype!="",mountpoint!=""} == 0
)
for: 30m
labels:
severity: warning
- alert: NodeFilesystemAlmostOutOfSpace
annotations:
description: Filesystem on {{ $labels.device }}, mounted on {{ $labels.mountpoint
}}, at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available
space left.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodefilesystemalmostoutofspace
summary: Filesystem has less than 3% space left.
expr: |-
(
node_filesystem_avail_bytes{job="node-exporter",fstype!="",mountpoint!=""} / node_filesystem_size_bytes{job="node-exporter",fstype!="",mountpoint!=""} * 100 < 3
and
node_filesystem_readonly{job="node-exporter",fstype!="",mountpoint!=""} == 0
)
for: 30m
labels:
severity: critical
- alert: NodeFilesystemFilesFillingUp
annotations:
description: Filesystem on {{ $labels.device }}, mounted on {{ $labels.mountpoint
}}, at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available
inodes left and is filling up.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodefilesystemfilesfillingup
summary: Filesystem is predicted to run out of inodes within the next 24 hours.
expr: |-
(
node_filesystem_files_free{job="node-exporter",fstype!="",mountpoint!=""} / node_filesystem_files{job="node-exporter",fstype!="",mountpoint!=""} * 100 < 40
and
predict_linear(node_filesystem_files_free{job="node-exporter",fstype!="",mountpoint!=""}[6h], 24*60*60) < 0
and
node_filesystem_readonly{job="node-exporter",fstype!="",mountpoint!=""} == 0
)
for: 1h
labels:
severity: warning
- alert: NodeFilesystemFilesFillingUp
annotations:
description: Filesystem on {{ $labels.device }}, mounted on {{ $labels.mountpoint
}}, at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available
inodes left and is filling up fast.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodefilesystemfilesfillingup
summary: Filesystem is predicted to run out of inodes within the next 4 hours.
expr: |-
(
node_filesystem_files_free{job="node-exporter",fstype!="",mountpoint!=""} / node_filesystem_files{job="node-exporter",fstype!="",mountpoint!=""} * 100 < 20
and
predict_linear(node_filesystem_files_free{job="node-exporter",fstype!="",mountpoint!=""}[6h], 4*60*60) < 0
and
node_filesystem_readonly{job="node-exporter",fstype!="",mountpoint!=""} == 0
)
for: 1h
labels:
severity: critical
- alert: NodeFilesystemAlmostOutOfFiles
annotations:
description: Filesystem on {{ $labels.device }}, mounted on {{ $labels.mountpoint
}}, at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available
inodes left.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodefilesystemalmostoutoffiles
summary: Filesystem has less than 5% inodes left.
expr: |-
(
node_filesystem_files_free{job="node-exporter",fstype!="",mountpoint!=""} / node_filesystem_files{job="node-exporter",fstype!="",mountpoint!=""} * 100 < 5
and
node_filesystem_readonly{job="node-exporter",fstype!="",mountpoint!=""} == 0
)
for: 1h
labels:
severity: warning
- alert: NodeFilesystemAlmostOutOfFiles
annotations:
description: Filesystem on {{ $labels.device }}, mounted on {{ $labels.mountpoint
}}, at {{ $labels.instance }} has only {{ printf "%.2f" $value }}% available
inodes left.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodefilesystemalmostoutoffiles
summary: Filesystem has less than 3% inodes left.
expr: |-
(
node_filesystem_files_free{job="node-exporter",fstype!="",mountpoint!=""} / node_filesystem_files{job="node-exporter",fstype!="",mountpoint!=""} * 100 < 3
and
node_filesystem_readonly{job="node-exporter",fstype!="",mountpoint!=""} == 0
)
for: 1h
labels:
severity: critical
- alert: NodeNetworkReceiveErrs
annotations:
description: '{{ $labels.instance }} interface {{ $labels.device }} has encountered
{{ printf "%.0f" $value }} receive errors in the last two minutes.'
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodenetworkreceiveerrs
summary: Network interface is reporting many receive errors.
expr: rate(node_network_receive_errs_total{job="node-exporter"}[2m]) / rate(node_network_receive_packets_total{job="node-exporter"}[2m])
> 0.01
for: 1h
labels:
severity: warning
- alert: NodeNetworkTransmitErrs
annotations:
description: '{{ $labels.instance }} interface {{ $labels.device }} has encountered
{{ printf "%.0f" $value }} transmit errors in the last two minutes.'
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodenetworktransmiterrs
summary: Network interface is reporting many transmit errors.
expr: rate(node_network_transmit_errs_total{job="node-exporter"}[2m]) / rate(node_network_transmit_packets_total{job="node-exporter"}[2m])
> 0.01
for: 1h
labels:
severity: warning
- alert: NodeHighNumberConntrackEntriesUsed
annotations:
description: '{{ $value | humanizePercentage }} of conntrack entries are used.'
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodehighnumberconntrackentriesused
summary: Number of conntrack are getting close to the limit.
expr: (node_nf_conntrack_entries{job="node-exporter"} / node_nf_conntrack_entries_limit)
> 0.75
labels:
severity: warning
- alert: NodeTextFileCollectorScrapeError
annotations:
description: Node Exporter text file collector on {{ $labels.instance }} failed
to scrape.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodetextfilecollectorscrapeerror
summary: Node Exporter text file collector failed to scrape.
expr: node_textfile_scrape_error{job="node-exporter"} == 1
labels:
severity: warning
- alert: NodeClockSkewDetected
annotations:
description: Clock at {{ $labels.instance }} is out of sync by more than 0.05s.
Ensure NTP is configured correctly on this host.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodeclockskewdetected
summary: Clock skew detected.
expr: |-
(
node_timex_offset_seconds{job="node-exporter"} > 0.05
and
deriv(node_timex_offset_seconds{job="node-exporter"}[5m]) >= 0
)
or
(
node_timex_offset_seconds{job="node-exporter"} < -0.05
and
deriv(node_timex_offset_seconds{job="node-exporter"}[5m]) <= 0
)
for: 10m
labels:
severity: warning
- alert: NodeClockNotSynchronising
annotations:
description: Clock at {{ $labels.instance }} is not synchronising. Ensure NTP
is configured on this host.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodeclocknotsynchronising
summary: Clock not synchronising.
expr: |-
min_over_time(node_timex_sync_status{job="node-exporter"}[5m]) == 0
and
node_timex_maxerror_seconds{job="node-exporter"} >= 16
for: 10m
labels:
severity: warning
- alert: NodeRAIDDegraded
annotations:
description: RAID array '{{ $labels.device }}' at {{ $labels.instance }} is
in degraded state due to one or more disks failures. Number of spare drives
is insufficient to fix issue automatically.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/noderaiddegraded
summary: RAID Array is degraded.
expr: node_md_disks_required{job="node-exporter",device=~"(/dev/)?(mmcblk.p.+|nvme.+|rbd.+|sd.+|vd.+|xvd.+|dm-.+|md.+|dasd.+)"}
- ignoring (state) (node_md_disks{state="active",job="node-exporter",device=~"(/dev/)?(mmcblk.p.+|nvme.+|rbd.+|sd.+|vd.+|xvd.+|dm-.+|md.+|dasd.+)"})
> 0
for: 15m
labels:
severity: critical
- alert: NodeRAIDDiskFailure
annotations:
description: At least one device in RAID array at {{ $labels.instance }} failed.
Array '{{ $labels.device }}' needs attention and possibly a disk swap.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/noderaiddiskfailure
summary: Failed device in RAID array.
expr: node_md_disks{state="failed",job="node-exporter",device=~"(/dev/)?(mmcblk.p.+|nvme.+|rbd.+|sd.+|vd.+|xvd.+|dm-.+|md.+|dasd.+)"}
> 0
labels:
severity: warning
- alert: NodeFileDescriptorLimit
annotations:
description: File descriptors limit at {{ $labels.instance }} is currently at
{{ printf "%.2f" $value }}%.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodefiledescriptorlimit
summary: Kernel is predicted to exhaust file descriptors limit soon.
expr: |-
(
node_filefd_allocated{job="node-exporter"} * 100 / node_filefd_maximum{job="node-exporter"} > 70
)
for: 15m
labels:
severity: warning
- alert: NodeFileDescriptorLimit
annotations:
description: File descriptors limit at {{ $labels.instance }} is currently at
{{ printf "%.2f" $value }}%.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodefiledescriptorlimit
summary: Kernel is predicted to exhaust file descriptors limit soon.
expr: |-
(
node_filefd_allocated{job="node-exporter"} * 100 / node_filefd_maximum{job="node-exporter"} > 90
)
for: 15m
labels:
severity: critical
- alert: NodeCPUHighUsage
annotations:
description: |
CPU usage at {{ $labels.instance }} has been above 90% for the last 15 minutes, is currently at {{ printf "%.2f" $value }}%.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodecpuhighusage
summary: High CPU usage.
expr: sum without(mode) (avg without (cpu) (rate(node_cpu_seconds_total{job="node-exporter",
mode!="idle"}[2m]))) * 100 > 90
for: 15m
labels:
severity: info
- alert: NodeSystemSaturation
annotations:
description: |
System load per core at {{ $labels.instance }} has been above 2 for the last 15 minutes, is currently at {{ printf "%.2f" $value }}.
This might indicate this instance resources saturation and can cause it becoming unresponsive.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodesystemsaturation
summary: System saturated, load per core is very high.
expr: |-
node_load1{job="node-exporter"}
/ count without (cpu, mode) (node_cpu_seconds_total{job="node-exporter", mode="idle"}) > 2
for: 15m
labels:
severity: warning
- alert: NodeMemoryMajorPagesFaults
annotations:
description: |
Memory major pages are occurring at very high rate at {{ $labels.instance }}, 500 major page faults per second for the last 15 minutes, is currently at {{ printf "%.2f" $value }}.
Please check that there is enough memory available at this instance.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodememorymajorpagesfaults
summary: Memory major page faults are occurring at very high rate.
expr: rate(node_vmstat_pgmajfault{job="node-exporter"}[5m]) > 500
for: 15m
labels:
severity: warning
- alert: NodeMemoryHighUtilization
annotations:
description: |
Memory is filling up at {{ $labels.instance }}, has been above 90% for the last 15 minutes, is currently at {{ printf "%.2f" $value }}%.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodememoryhighutilization
summary: Host is running out of memory.
expr: 100 - (node_memory_MemAvailable_bytes{job="node-exporter"} / node_memory_MemTotal_bytes{job="node-exporter"}
* 100) > 90
for: 15m
labels:
severity: warning
- alert: NodeDiskIOSaturation
annotations:
description: |
Disk IO queue (aqu-sq) is high on {{ $labels.device }} at {{ $labels.instance }}, has been above 10 for the last 30 minutes, is currently at {{ printf "%.2f" $value }}.
This symptom might indicate disk saturation.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodediskiosaturation
summary: Disk IO queue is high.
expr: rate(node_disk_io_time_weighted_seconds_total{job="node-exporter", device=~"(/dev/)?(mmcblk.p.+|nvme.+|rbd.+|sd.+|vd.+|xvd.+|dm-.+|md.+|dasd.+)"}[5m])
> 10
for: 30m
labels:
severity: warning
- alert: NodeSystemdServiceFailed
annotations:
description: Systemd service {{ $labels.name }} has entered failed state at
{{ $labels.instance }}
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodesystemdservicefailed
summary: Systemd service has entered failed state.
expr: node_systemd_unit_state{job="node-exporter", state="failed"} == 1
for: 5m
labels:
severity: warning
- alert: NodeBondingDegraded
annotations:
description: Bonding interface {{ $labels.master }} on {{ $labels.instance }}
is in degraded state due to one or more slave failures.
runbook_url: https://runbooks.prometheus-operator.dev/runbooks/node/nodebondingdegraded
summary: Bonding interface is degraded
expr: (node_bonding_slaves - node_bonding_active) != 0
for: 5m
labels:
severity: warning
+70
View File
@@ -0,0 +1,70 @@
groups:
- name: node-resource-utilization.rules
rules:
- alert: HostHighCpuLoad
annotations:
description: |-
CPU load is > 90%
VALUE = {{ $value }}
LABELS = {{ $labels }}
summary: Host high CPU load (instance {{ $labels.instance }})
expr: (sum by (instance) (avg by (mode, instance) (rate(node_cpu_seconds_total{mode!="idle"}[2m])))
> 0.9) * on(instance) group_left (nodename) node_uname_info{nodename=~".+"}
for: 10m
labels:
severity: critical
- alert: MemoryUtilizationHighWarning
annotations:
dashboard: https://grafana.ads1.itpartner.no/explore?orgId=1&left=%7B%22datasource%22:%22Prometheus%22,%22queries%22:%5B%7B%22refId%22:%22A%22,%22instant%22:true,%22range%22:true,%22exemplar%22:false,%22expr%22:%22topk(10,%20sum(container_memory_usage_bytes%7Bcontainer!%3D%5C%22%5C%22,%20container!%3D%5C%22POD%5{
$labels.instance }}%5C%22%7D)%20by%20(container,%20pod,%20namespace))%22%7D%5D,%22range%22:%7B%22from%22:%22now-1h%22,%22to%22:%22now%22%7D%7D
description: Node {{ $labels.instance }} has less than 10% available memory.
summary: Node Memory utilization warning
expr: node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes * 100 < 10
for: 5m
labels:
severity: critical
- alert: MemoryUtilizationHighCritical
annotations:
dashboard: https://grafana.ads1.itpartner.no/explore?orgId=1&left=%7B%22datasource%22:%22Prometheus%22,%22queries%22:%5B%7B%22refId%22:%22A%22,%22instant%22:true,%22range%22:true,%22exemplar%22:false,%22expr%22:%22topk(10,%20sum(container_memory_usage_bytes%7Bcontainer!%3D%5C%22%5C%22,%20container!%3D%5C%22POD%5{
$labels.instance }}%5C%22%7D)%20by%20(container,%20pod,%20namespace))%22%7D%5D,%22range%22:%7B%22from%22:%22now-1h%22,%22to%22:%22now%22%7D%7D
description: Node {{ $labels.instance }} has less than 5% available memory.
summary: Node Memory utilization critical
expr: node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes * 100 < 5
for: 1m
labels:
severity: critical
- alert: NodeNotReady
annotations:
description: Node {{ $labels.node }} has CPU utilization over 90%.
summary: Node has been in not-ready state for longer than 3 minutes
expr: (sum(max_over_time(kube_node_status_condition{condition="Ready",status="true"}[3m])
<= 0) by (node)) or (absent(kube_node_status_condition{condition="Ready",status="true"}))
> 0
for: 5m
labels:
severity: critical
- alert: KubernetesNodeMemoryPressure
annotations:
description: |-
Node {{ $labels.node }} has MemoryPressure condition
VALUE = {{ $value }}
LABELS = {{ $labels }}
summary: Kubernetes Node memory pressure (instance {{ $labels.instance }})
expr: kube_node_status_condition{condition="MemoryPressure",status="true"} ==
1
for: 2m
labels:
severity: critical
- alert: KubernetesContainerOomKiller
annotations:
description: |-
Container {{ $labels.container }} in pod {{ $labels.namespace }}/{{ $labels.pod }} has been OOMKilled {{ $value }} times in the last 10 minutes.
VALUE = {{ $value }}
LABELS = {{ $labels }}
summary: Kubernetes Container oom killer (instance {{ $labels.instance }})
expr: (kube_pod_container_status_restarts_total - kube_pod_container_status_restarts_total
offset 10m >= 1) and ignoring (reason) min_over_time(kube_pod_container_status_last_terminated_reason{reason="OOMKilled"}[10m])
== 1
for: 0m
labels:
severity: warning
+21
View File
@@ -0,0 +1,21 @@
groups:
- name: velero
rules:
- alert: VeleroBackupPartialFailures
annotations:
message: Velero backup {{ $labels.schedule }} has {{$value | humanizePercentage}} partialy
failed backups.
expr: velero_backup_partial_failure_total{schedule!=""} / velero_backup_attempt_total{schedule!=""}
> 0.25
for: 15m
labels:
severity: critical
- alert: VeleroBackupFailures
annotations:
message: Velero backup {{$labels.schedule}} has {{$value | humanizePercentage}} failed
backups.
expr: velero_backup_failure_total{schedule!=""} / velero_backup_attempt_total{schedule!=""}
> 0.25
for: 15m
labels:
severity: critical
+46
View File
@@ -0,0 +1,46 @@
groups:
- name: x509-certificate-exporter.rules
rules:
- alert: X509ExporterReadErrors
annotations:
description: Over the last 15 minutes, this x509-certificate-exporter instance
has experienced errors reading certificate files or querying the Kubernetes
API. This could be caused by a misconfiguration if triggered when the exporter
starts.
summary: Increasing read errors for x509-certificate-exporter
expr: delta(x509_read_errors[15m]) > 0
for: 5m
labels:
severity: warning
- alert: CertificateError
annotations:
description: Certificate could not be decoded {{if $labels.secret_name }} in
Kubernetes secret "{{ $labels.secret_namespace }}/{{ $labels.secret_name }}"{{else}}at
location "{{ $labels.filepath }}"{{end}}
summary: Certificate cannot be decoded
expr: x509_cert_error > 0
for: 15m
labels:
severity: warning
- alert: CertificateRenewal
annotations:
description: Certificate for "{{ $labels.subject_CN }}" should be renewed {{if
$labels.secret_name }}in Kubernetes secret "{{ $labels.secret_namespace }}/{{
$labels.secret_name }}"{{else}}at location "{{ $labels.filepath }}"{{end}}
summary: Certificate should be renewed
expr: ((x509_cert_not_after{secret_name!="linkerd-identity-issuer", issuer_O="",
issuer_CN!="webhook.linkerd.cluster.local"} - time()) / 86400) < 28
for: 15m
labels:
severity: warning
- alert: CertificateExpiration
annotations:
description: Certificate for "{{ $labels.subject_CN }}" is about to expire {{if
$labels.secret_name }}in Kubernetes secret "{{ $labels.secret_namespace }}/{{
$labels.secret_name }}"{{else}}at location "{{ $labels.filepath }}"{{end}}
summary: Certificate is about to expire
expr: ((x509_cert_not_after{secret_name!="linkerd-identity-issuer", issuer_O="",
issuer_CN!="webhook.linkerd.cluster.local"} - time()) / 86400) < 14
for: 15m
labels:
severity: critical
@@ -4,8 +4,6 @@ secretsExporter:
excludeLabels:
- cert-manager.io/*
resources:
limits:
memory: 100Mi
requests:
cpu: 20m
memory: 100Mi