How to find out Cluster Info in Kubernetes

In Kubernetes, a cluster is a group of machines working together.

By running the kubectl cluster-info command, we can find out high level information about the Kubernetes cluster, such as:

  1. What address the cluster is running from
  2. Where the CoreDNS is running from

Example use of KubeCtl Cluser Info

kubectl cluster-info will return the following:

$ kubectl cluster-info Kubernetes master is running at https://998a8a4d-354e-4203-bafb-2e25d7b39269.k8s.example.com CoreDNS is running at https://998a8a4d-354e-4203-bafb-2e25d7b39269.k8s.example.com/api/v1/namespaces/kube-system/services/kube-dns:dns/proxy To further debug and diagnose cluster problems, use 'kubectl cluster-info dump'.
Code language: Bash (bash)

How to get more information about the cluster

You can also append the keyword dump to the above command to get a full output about the cluster.

kubectl cluster-info dump

This output can also be piped to a file for later reference, or to view in your favourite code editor/IDE.

kubectl cluster-info dump > file.out

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