add k8s helper

k8s/nodes-with-suffix.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+# Execute commands on all hosts of the currently selected kubernetes cluster
+# Do export KUBECONFIG=~/your-admin.conf before using this script
+# Can be used to pass into cdist
+
+domain=$1; shift
+
+echo $(kubectl get node -o name | sed -e 's,node/,,' -e "s,\$,.$domain,")