Get pods, nodes and zones

getPodsAndZones.sh

#!/bin/bash

kubectl get pods --all-namespaces -o custom-columns=":metadata.namespace,:metadata.name,:spec.nodeName" --no-headers=true | while read -r namespace pod_name node_name
do
  zone=$(kubectl get node "$node_name" -o jsonpath="{.metadata.labels.topology\.kubernetes\.io/zone}")
  echo "Namespace: $namespace, Pod Name: $pod_name, Node Name: $node_name, Zone: $zone"
done