21-API-Groups.md

API-Groups

• Take me to the Video Tutorial

In this section, we will take a look at API-Groups.

To return version and list pods via API's

• The kubernetes API is grouped into multiple such groups based on their purpose. Such as one for APIs, one for healthz, metrics and logs etc.

  

API and APIs

• These APIs are categorized into two.

  • The core group - Where all the functionality exists

    

• The Named group - More organized and going forward all the newer features are going to be made available to these named groups.

  

• To list all the api groups

  

Note on accessing the kube-apiserver

• You have to authenticate by passing the certificate files.

  

• An alternate is to start a kubeproxy client

  

kube proxy vs kubectl proxy

Key Takeaways

K8s Reference Docs

• https://kubernetes.io/docs/concepts/overview/kubernetes-api/
• https://kubernetes.io/docs/reference/using-api/api-concepts/
• https://kubernetes.io/docs/tasks/extend-kubernetes/http-proxy-access-api/