Kubernetes Operator Development Bookmarks

• Operators:

  • CNCF Operator White Paper

  • 10 Things You Should Know Before Writing a Kubernetes Controller

• Operator Pattern:

  • Extending Kubernetes - Operator Pattern

• kubebuilder-declarative-pattern

• Markers

  • https://pkg.go.dev/sigs.k8s.io/controller-tools/pkg/crd/markers

  • Example: // +kubebuilder:validation:Optional

• Kubebuilder Plugins:

  • ref-1

• Multi-Group

  • Example: cache.desiredcloud.com, config.desiredcloud.com, cache and config are 2 different groups in same operator

• Testing Kubernetes Controllers

  • ref1

• CRD:

  • Extend the Kubernetes API with CustomResourceDefinitions

  • Custom Resources

• CRD Immutability:

  • Enforce CRD Immutability with CEL Transition Rules

  • Recipe for Singleton

• Kubernetes API Overview

  • 1.26

• Sig Architecture:

  • API Convnetions

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YouTube

• Best Practices on writing a Kubernetes Operator

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Blog

• https://medium.com/@muneebaijaz11/practices-for-building-k8s-operators-27330ef6b1a4