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apps_alerts.libsonnet
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apps_alerts.libsonnet
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{
_config+:: {
kubeStateMetricsSelector: error 'must provide selector for kube-state-metrics',
namespaceSelector: null,
prefixedNamespaceSelector: if self.namespaceSelector != null then self.namespaceSelector + ',' else '',
},
prometheusAlerts+:: {
groups+: [
{
name: 'kubernetes-apps',
rules: [
{
expr: |||
rate(kube_pod_container_status_restarts_total{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s}[15m]) * 60 * 5 > 0
||| % $._config,
labels: {
severity: 'critical',
},
annotations: {
message: 'Pod {{ $labels.namespace }}/{{ $labels.pod }} ({{ $labels.container }}) is restarting {{ printf "%.2f" $value }} times / 5 minutes.',
},
'for': '15m',
alert: 'KubePodCrashLooping',
},
{
expr: |||
sum by (namespace, pod) (max by(namespace, pod) (kube_pod_status_phase{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s, phase=~"Pending|Unknown"}) * on(namespace, pod) group_left(owner_kind) max by(namespace, pod, owner_kind) (kube_pod_owner{owner_kind!="Job"})) > 0
||| % $._config,
labels: {
severity: 'critical',
},
annotations: {
message: 'Pod {{ $labels.namespace }}/{{ $labels.pod }} has been in a non-ready state for longer than 15 minutes.',
},
'for': '15m',
alert: 'KubePodNotReady',
},
{
expr: |||
kube_deployment_status_observed_generation{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s}
!=
kube_deployment_metadata_generation{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s}
||| % $._config,
labels: {
severity: 'critical',
},
annotations: {
message: 'Deployment generation for {{ $labels.namespace }}/{{ $labels.deployment }} does not match, this indicates that the Deployment has failed but has not been rolled back.',
},
'for': '15m',
alert: 'KubeDeploymentGenerationMismatch',
},
{
expr: |||
kube_deployment_spec_replicas{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s}
!=
kube_deployment_status_replicas_available{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s}
||| % $._config,
labels: {
severity: 'critical',
},
annotations: {
message: 'Deployment {{ $labels.namespace }}/{{ $labels.deployment }} has not matched the expected number of replicas for longer than 15 minutes.',
},
'for': '15m',
alert: 'KubeDeploymentReplicasMismatch',
},
{
expr: |||
kube_statefulset_status_replicas_ready{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s}
!=
kube_statefulset_status_replicas{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s}
||| % $._config,
labels: {
severity: 'critical',
},
annotations: {
message: 'StatefulSet {{ $labels.namespace }}/{{ $labels.statefulset }} has not matched the expected number of replicas for longer than 15 minutes.',
},
'for': '15m',
alert: 'KubeStatefulSetReplicasMismatch',
},
{
expr: |||
kube_statefulset_status_observed_generation{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s}
!=
kube_statefulset_metadata_generation{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s}
||| % $._config,
labels: {
severity: 'critical',
},
annotations: {
message: 'StatefulSet generation for {{ $labels.namespace }}/{{ $labels.statefulset }} does not match, this indicates that the StatefulSet has failed but has not been rolled back.',
},
'for': '15m',
alert: 'KubeStatefulSetGenerationMismatch',
},
{
expr: |||
max without (revision) (
kube_statefulset_status_current_revision{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s}
unless
kube_statefulset_status_update_revision{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s}
)
*
(
kube_statefulset_replicas{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s}
!=
kube_statefulset_status_replicas_updated{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s}
)
||| % $._config,
labels: {
severity: 'critical',
},
annotations: {
message: 'StatefulSet {{ $labels.namespace }}/{{ $labels.statefulset }} update has not been rolled out.',
},
'for': '15m',
alert: 'KubeStatefulSetUpdateNotRolledOut',
},
{
alert: 'KubeDaemonSetRolloutStuck',
expr: |||
kube_daemonset_status_number_ready{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s}
/
kube_daemonset_status_desired_number_scheduled{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s} < 1.00
||| % $._config,
labels: {
severity: 'critical',
},
annotations: {
message: 'Only {{ $value | humanizePercentage }} of the desired Pods of DaemonSet {{ $labels.namespace }}/{{ $labels.daemonset }} are scheduled and ready.',
},
'for': '15m',
},
{
expr: |||
sum by (namespace, pod, container) (kube_pod_container_status_waiting_reason{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s}) > 0
||| % $._config,
labels: {
severity: 'warning',
},
annotations: {
message: 'Pod {{ $labels.namespace }}/{{ $labels.pod }} container {{ $labels.container}} has been in waiting state for longer than 1 hour.',
},
'for': '1h',
alert: 'KubeContainerWaiting',
},
{
alert: 'KubeDaemonSetNotScheduled',
expr: |||
kube_daemonset_status_desired_number_scheduled{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s}
-
kube_daemonset_status_current_number_scheduled{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s} > 0
||| % $._config,
labels: {
severity: 'warning',
},
annotations: {
message: '{{ $value }} Pods of DaemonSet {{ $labels.namespace }}/{{ $labels.daemonset }} are not scheduled.',
},
'for': '10m',
},
{
alert: 'KubeDaemonSetMisScheduled',
expr: |||
kube_daemonset_status_number_misscheduled{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s} > 0
||| % $._config,
labels: {
severity: 'warning',
},
annotations: {
message: '{{ $value }} Pods of DaemonSet {{ $labels.namespace }}/{{ $labels.daemonset }} are running where they are not supposed to run.',
},
'for': '10m',
},
{
alert: 'KubeCronJobRunning',
expr: |||
time() - kube_cronjob_next_schedule_time{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s} > 3600
||| % $._config,
'for': '1h',
labels: {
severity: 'warning',
},
annotations: {
message: 'CronJob {{ $labels.namespace }}/{{ $labels.cronjob }} is taking more than 1h to complete.',
},
},
{
alert: 'KubeJobCompletion',
expr: |||
kube_job_spec_completions{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s} - kube_job_status_succeeded{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s} > 0
||| % $._config,
'for': '1h',
labels: {
severity: 'warning',
},
annotations: {
message: 'Job {{ $labels.namespace }}/{{ $labels.job_name }} is taking more than one hour to complete.',
},
},
{
alert: 'KubeJobFailed',
expr: |||
kube_job_failed{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s} > 0
||| % $._config,
'for': '15m',
labels: {
severity: 'warning',
},
annotations: {
message: 'Job {{ $labels.namespace }}/{{ $labels.job_name }} failed to complete.',
},
},
{
expr: |||
(kube_hpa_status_desired_replicas{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s}
!=
kube_hpa_status_current_replicas{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s})
and
changes(kube_hpa_status_current_replicas[15m]) == 0
||| % $._config,
labels: {
severity: 'warning',
},
annotations: {
message: 'HPA {{ $labels.namespace }}/{{ $labels.hpa }} has not matched the desired number of replicas for longer than 15 minutes.',
},
'for': '15m',
alert: 'KubeHpaReplicasMismatch',
},
{
expr: |||
kube_hpa_status_current_replicas{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s}
==
kube_hpa_spec_max_replicas{%(prefixedNamespaceSelector)s%(kubeStateMetricsSelector)s}
||| % $._config,
labels: {
severity: 'warning',
},
annotations: {
message: 'HPA {{ $labels.namespace }}/{{ $labels.hpa }} has been running at max replicas for longer than 15 minutes.',
},
'for': '15m',
alert: 'KubeHpaMaxedOut',
},
],
},
],
},
}