About operators

About Operators

Framework: Controller Runtime

• Kubebuilder docs
• controller-runtime docs

Operator Pattern & Features

• Operator pattern

  • Kubernetes Custom Resource Controller
  • The Kubernetes Operator Pattern

• Admission webhooks and eventing

  • Sample Webhook
  • Custom Resource Definitions

• Finalizers

  • Finalizers - Official Docs
  • Using Finalizers

• Watches

  • Controller Watches

• Generate resources

  • Code Generation for Custom Resources

• Apply CRD

  • Extending Kubernetes APIs using CRDs

Operator Examples

• Elastic Search Operator
• Postgres Operator
• Tensorflow Operator
• NATS Operator
• Knative
• Sample controller

Extending Kubernetes

• Controller pattern
• Custom controllers
• CRD openAPI validation
• Kubernetes primitives (ebook)

Testing

• Kubernetes docs
• Kubernetes fakes
• Magic tricks of testing