Kubernetes Hacks and Tricks – #4 Find worker node info from Pod spec info

In access-limited clusters where you don’t have access to cluster resources, you may need worker nodes’ info like worker node name, node IP address, etc. You can’t run kubectl get nodes in such clusters because the cluster admin has restricted your access to only particular namespaces and namespaced resources. This trick is for you if you are blocked in such a situation. First, you must run the following DaemonSet to ensure you have a Pod in every worker node to be able to find worker nodes’ info.

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After that, run the following command to see all nodes’ names and IP addresses.

kubectl get pod -l app=test -o jsonpath='{range .items[*]}{.spec.nodeName}{"\t"}{.status.hostIP}{"\n"}{end}'

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