Philipp Krenn

Debug a Kubernetes Operator

What's the fastest way to debug a Kubernetes operator? Learn why inspecting the custom resource is often more direct than sifting through endless pod logs.

Debug a Kubernetes Operator
#1about 6 minutes

How Kubernetes operators manage application state

Operators extend Kubernetes with custom resources and use a reconciliation loop to ensure an application's current state matches its desired configuration.

#2about 10 minutes

Debugging a resource association error in an operator

A misconfigured resource reference in the YAML manifest prevents Kibana from starting, which is diagnosed using `kubectl describe` to find the association error.

#3about 7 minutes

Troubleshooting persistent volume claim storage issues

Pods stuck in a pending state are traced back to an invalid storage class in the persistent volume claim, requiring a recreation of the stateful set to fix.

#4about 8 minutes

Customizing operators and comparing them to Helm charts

The discussion covers the opinionated nature of operators, how to find configuration options, and contrasts their approach with the broader flexibility of Helm charts.

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