Kubernetes - Annotations

Annotations tend to be used for added automation of kubernetes. Some use cases where you want to add an annotation are

Build, release, or image information like timestamps, release IDs, git branch, PR numbers, image hashes, and registry address.

Client library or tool information that can be used for debugging purposes: for example, name, version, and build information.

[root@manja17-I13330 kubenetes-config]# kubectl annotate pods testing-service-s8xzt description="simple annotation"

pod "testing-service-s8xzt" annotated

[root@manja17-I13330 kubenetes-config]# kubectl describe pod testing-service-s8xzt

Name:           testing-service-s8xzt

Namespace:      default

Node:           manja17-i14021/10.131.36.181

Start Time:     Fri, 27 Jul 2018 05:19:06 -0400

Labels:         app=testingService-service

Annotations:    description=simple annotation

Status:         Running

IP:             10.38.0.6

Controlled By:  ReplicationController/testing-service

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