What are Kubernetes webhooks and how do they work?

What are Kubernetes webhooks and how do they work?

Kubernetes webhooks are HTTP callbacks that receive events from the Kubernetes API server. They allow you to extend Kubernetes functionality by triggering actions in response to specific events.

Can you give me an example of how to set up a webhook in Kubernetes?

Sure! To set up a webhook, you need to create a configuration file that specifies the webhook's URL and the events it should listen to. Then, you apply this configuration using kubectl.

What types of webhooks are available in Kubernetes?

There are two main types of webhooks in Kubernetes: Admission webhooks, which can modify or reject requests to the API server, and Mutating webhooks, which can change the object being created or updated.

How do I troubleshoot issues with my Kubernetes webhook?

To troubleshoot webhook issues, check the logs of the service handling the webhook, ensure the URL is correct, and verify that the webhook configuration is properly set up.