How do I configure admission controllers in Kubernetes?

How do I configure admission controllers in Kubernetes?

To configure admission controllers in Kubernetes, you need to modify the API server's startup parameters. You can specify which admission controllers to enable using the --enable-admission-plugins flag.

What are some common admission controllers I should consider?

Some common admission controllers include NamespaceLifecycle, LimitRanger, ServiceAccount, and NodeRestriction. Each serves a specific purpose in managing resources and security.

Can I create custom admission controllers?

Yes, you can create custom admission controllers by implementing a webhook that the API server can call during admission control. This allows you to enforce custom policies.

How do I test my admission controller?

You can test your admission controller by deploying it in a test cluster and creating resources that trigger the controller's logic. Monitor the logs to see how it behaves.