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System Architect Go
System Architect Go
Dec 19, 2023 · Cloud Native

Understanding Kubernetes CRDs, Operators, and Building an Operator with Kubebuilder

This article explains how Kubernetes CustomResourceDefinitions (CRDs) let users create custom resources, how Operators add behavior to those resources, and provides a step‑by‑step Kubebuilder tutorial for scaffolding, generating, and running a simple Foo operator.

CRDCustomResourceGo
0 likes · 11 min read
Understanding Kubernetes CRDs, Operators, and Building an Operator with Kubebuilder
Cloud Native Technology Community
Cloud Native Technology Community
Mar 30, 2023 · Cloud Native

Kubernetes List/Watch, Informer Mechanism, and Writing Controllers for Pods and Custom Resources

This article explains how Kubernetes uses the List/Watch API and the Informer client library to monitor resources, compares direct HTTP Watch with Informer, provides Go code examples for pod controllers, shared informers, custom CRD controllers, and introduces higher‑level frameworks such as controller‑runtime and Kubebuilder.

CloudNativeControllerCustomResource
0 likes · 49 min read
Kubernetes List/Watch, Informer Mechanism, and Writing Controllers for Pods and Custom Resources