15-API-Groups.md

API Groups

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In this section, we will take a look at API Groups in kubernetes

To return version and list pods via API's

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

  

API and APIs

• These APIs are catagorized 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/