Updating Annotation In All The Services
To update annotation in all the services in a namespace we use the –all flag. We use the following command syntax in the terminal:
kubectl annotate services --all description='changing description of all services'
Similarly to Update the annotations of all the pods, we use the command given below.
How to Use Kubernetes Annotations?
Annotations are key-value pairs that are used to attach non-identifying metadata to Kubernetes objects. Various tools that are built over Kubernetes use this metadata attached by annotations to perform actions or enhance resource management. Labels and Annotations are used to attach metadata to Kubernetes objects. This makes annotations important for working with Kubernetes clusters. To learn more about Kubernetes cluster and its architecture refer to Kubernetes – Architecture.