#! /bin/bash

CRM_CMD='/usr/sbin/crm_mon'
GREP='/bin/grep'
GREP_OPTS='-q -s'
OPTS='--one-shot'
node_is_standby() {
  $CRM_CMD $OPTS | $GREP $GREP_OPTS 'standby'
  echo $?
}

node_is_standby