Chapter 3. Learning to Use the Kubernetes Client
This chapter gathers recipes around the basic usage of the Kubernetes CLI, kubectl. See Chapter 1 for how to install the CLI tool; for advanced use cases, see Chapter 7, where we show how to use the Kubernetes API.
3.1 Listing Resources
Problem
You want to list Kubernetes resources of a certain kind.
Solution
Use the get verb of kubectl along with the resource type. To list all pods, do this:
$ kubectl get pods
To list all services and deployments (note that there is no space after the comma), do this:
$ kubectl get services,deployments
To list a specific deployment, do this:
$ kubectl get deployment <deployment-name>
To list all resources, do this:
$ kubectl get all
Note that kubectl get is a very basic but extremely useful command to get a quick overview what is going on in the cluster—it’s essentially the equivalent to ps on Unix.
Discussion
We strongly ...
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