List master and worker nodes in Openshift

ocinfo.sh

#!/usr/bin/env bash

MASTERS=$(oc get nodes -o name --no-headers --selector='node-role.kubernetes.io/master')
MASTERS_CNT=$(oc get nodes -o name --no-headers --selector='node-role.kubernetes.io/master' | wc -l)
WORKERS=$(oc get nodes -o name --no-headers --selector='node-role.kubernetes.io/worker')
WORKERS_CNT=$(oc get nodes -o name --no-headers --selector='node-role.kubernetes.io/worker' | wc -l)


echo "> Masters: ${MASTERS_CNT} | Workers: ${WORKERS_CNT}"
echo ""

echo "=== MASTERS ===="
for m in ${MASTERS}; do
	NUM_CPU=$(oc describe ${m} | grep 'cpu:' |head -n1 | awk '{print $2}')
	NUM_MEM=$(oc describe ${m} | grep 'memory:' |head -n1 | awk '{print $2}')
	VERSION=$(oc get ${m} --no-headers| awk '{print $5}')
	echo "    ${m}"
	echo "      version: ${VERSION}"
	echo "          cpu: ${NUM_CPU}"
	echo "          mem: ${NUM_MEM}"
done

echo "=== WORKERS ==="
for w in ${WORKERS}; do
	NUM_CPU=$(oc describe ${m} | grep 'cpu:' |head -n1 | awk '{print $2}')
	NUM_MEM=$(oc describe ${m} | grep 'memory:' |head -n1 | awk '{print $2}')
	VERSION=$(oc get ${m} --no-headers| awk '{print $5}')
	echo "    ${w}"
	echo "      version: ${VERSION}"
	echo "          cpu: ${NUM_CPU}"
        echo "          mem: ${NUM_MEM}"

done