client-go

Version: v0.37.1

1. clientset: a set of clients to access Kubernetes API
2. indexer: An indexed in-memory key-value store for objects
3. informer
   1. indexer
   2. reflector
   3. ListerWatcher
4. lister
   1. indexer
5. workqueue: manages controller work items and retries.
6. reflector: watches a specified resource with listerwatcher and reflects all changes to the configured store (FIFO).
7. listerwatcher: list and watch the API server. used in reflector.

Commands in the component walkthroughs use the versions pinned in go.mod. Run go test ./contents/kubernetes-operator/client-go/... from the repository root. Informer/cache queues update stored objects; a controller workqueue separately schedules reconciliation keys.