Extending the API Server with Admission Webhooks
Intercept and validate or mutate Kubernetes API requests in flight using validating and mutating admission webhooks to enforce cluster policy.
What Is Admission Control
After authentication and authorization, requests pass through admission controllers that can validate or modify objects before they are persisted.
Two Kinds of Webhooks
Dynamic admission uses webhooks: mutating webhooks change objects, and validating webhooks accept or reject them.
All lessons in this course
- Custom Resource Definitions (CRDs)
- The Operator Pattern in Kubernetes
- Serverless with Kubernetes (Knative)
- Extending the API Server with Admission Webhooks