#!/bin/bash

STATE_FILE=/var/spool/pcs-nodeadd-executed

pcs_not_configured () {
  pcs status 2>&1 | grep -qi 'cluster is not currently running on this node'
}

if [ -f "$STATE_FILE" ]; then
    echo "INFO: State file ($STATE_FILE) is already exists. It seems node had been already configured."
    exit 0
fi

if [ -z "${PCS_NODEADD_SERVER}" ]; then 
    echo "FATAL: PCS nodeadd service is not specified in /etc/sysconfig/pcs-nodeadd-client"
    exit 1
fi

if pcs_not_configured; then
  NODE_NAME="$( hostname -s )"
  echo "${NODE_NAME} ${PCS_NODEADD_SECRET}" | nc ${PCS_NODEADD_SERVER} 2225
  if pcs_not_configured; then
    echo "ERROR: Failed to configure node as a part of PCS clsuter."
    exit 1
  else
    echo "INFO: Node has been successfully configured as a part of PCS cluster."
    touch $STATE_FILE
    exit 0
  fi
else
  echo "ERROR: Something goes wrong. Node is already a part of PCS cluster, but there is no state file exists."
  exit 1
fi