Introduction

There is not one fixed master list of "all possible Kubernetes events" that you can memorize once and be done with. The important distinction is that Kubernetes events have a small set of type values, while the much larger and controller-specific reason values describe what actually happened.

Event type Versus Event reason

In Kubernetes, an event object usually includes fields such as the involved object, message, reason, source, and type. The type field is intentionally small. In practice, you will mostly see:

• 'Normal'
• 'Warning'

The reason field is where detail lives. Reasons include things such as Scheduled, Pulled, Created, BackOff, FailedMount, or Unhealthy.

That means a question like "all possible events with type" is really two questions:

1. what values can appear in the type field,
2. what reasons are emitted by different controllers and kubelets.

See Events With kubectl

You can inspect events directly from the cluster:

kubectl get events
kubectl get events --sort-by=.lastTimestamp
kubectl describe pod my-pod

To focus on event type and reason:

kubectl get events -o custom-columns=TYPE:.type,REASON:.reason,OBJECT:.involvedObject.name,MESSAGE:.message

That output usually makes the distinction much clearer than reading the raw event objects.

Typical Event Types and Reasons

The type field is not the same as severity levels in a monitoring system, but it is still useful:

• 'Normal usually means an expected action occurred,'
• 'Warning usually means something failed, retried, or needs attention.'

Examples you might see:

1TYPE     REASON       OBJECT     MESSAGE
2Normal   Scheduled    my-pod     Successfully assigned default/my-pod to node-1
3Normal   Pulled       my-pod     Container image "nginx:latest" already present on machine
4Warning  FailedMount  my-pod     Unable to attach or mount volumes
5Warning  BackOff      my-pod     Back-off restarting failed container
6Warning  Unhealthy    my-pod     Readiness probe failed

These reasons come from different Kubernetes components, which is why the full universe of reasons is broad and cluster-dependent.

Why There Is No Finite Authoritative List

Kubernetes has many components that emit events:

• the scheduler,
• the kubelet,
• controllers such as Deployment or Job controllers,
• storage controllers,
• admission or operator components in your cluster.

Because of that, the set of possible reasons can grow with Kubernetes versions, custom controllers, CSI drivers, ingress controllers, and operators. You can build a useful cluster-specific catalog, but you should not expect one permanent global list of every possible reason string.

Use Events for Troubleshooting, Not as a Sole Source of Truth

Events are excellent for answering "what just happened?" They are not a long-term audit log and they are not guaranteed to remain forever.

Typical troubleshooting workflow:

1kubectl get pods
2kubectl describe pod my-pod
3kubectl get events --sort-by=.lastTimestamp
4kubectl logs my-pod

Events tell you the sequence of cluster actions. Logs and controller status tell you why the component behaved that way in detail.

Common Pitfalls

• Expecting a complete stable list of every possible event reason across all Kubernetes versions and controllers.
• Confusing event type with event reason.
• Looking only at kubectl get events and skipping kubectl describe on the affected object.
• Treating events as permanent history even though they are often short-lived.
• Assuming every failure emits the same reason string across different cluster setups.

Summary

• Kubernetes event type is usually Normal or Warning.
• The detailed description of what happened lives in the reason field.
• There is no single permanent list of every possible reason across all clusters and versions.
• Use kubectl get events and kubectl describe together for troubleshooting.
• Treat events as a helpful signal, not as your only source of operational truth.