Predefined PrometheusRules

There are few pre-defined PrometheusRules that come with the platform. You can use existing rules to forward alerts to your preferred medium of choice.

Following are the rules along their descriptions.

Kubernetes Apps

Name	Description
KubePodCrashLooping	Pod Namespace/Pod is restarting N times / 5 minutes.
KubePodNotReady	Pod Namespace/Pod has been in a non-ready state for longer than 15 minutes
KubeDeploymentGenerationMismatch	Deployment generation for Namespace/Deployment does not match, this indicates that the Deployment has failed but has not been rolled back.
KubeDeploymentReplicasMismatch	Deployment Namespace/Deployment has not matched the expected number of replicas for longer than 15 minutes.
KubeStatefulSetReplicasMismatch	StatefulSet Namespace/StatefulSet has not matched the expected number of replicas for longer than 15 minutes
KubeStatefulSetGenerationMismatch	StatefulSet generation for Namespace/StatefulSet does not match, this indicates that the StatefulSet has failed but has not been rolled back.
KubeStatefulSetUpdateNotRolledOut	StatefulSet Namespace/StatefulSet update has not been rolled out.
KubeDaemonSetRolloutStuck	DaemonSet Namespace/DaemonSet has not finished or progressed for at least 15 minutes.
KubeContainerWaiting	Pod Namespace/Pod container Container has been in waiting state for longer than 1 hour.
KubeDaemonSetNotScheduled	Pods of DaemonSet Namespace/DaemonSet are not scheduled.
KubeJobCompletion	Job Namespace/Job is taking more than 12 hours to complete.
KubeJobFailed	Job Namespace/Job failed to complete. Removing failed job after investigation should clear this alert.
KubeHpaReplicasMismatch	HPA (Horizontal Pod Autoscaler) Namespace/HPA has not matched the desired number of replicas for longer than 15 minutes.
KubeHpaMaxedOut	HPA (Horizontal Pod Autoscaler) Namespace/HPA has been running at max replicas for longer than 15 minutes.

Kubernetes Storage

Name	Description
KubePersistentVolumeFillingUp	The PersistentVolume claimed by PersistentVolume in Namespace Namespace is only Percentage % free.
KubePersistentVolumeErrors	The persistent volume PersistentVolume has status Failed/Pending.