Support script for https://gist.github.com/dotmanila/8412562

pxc-trac.sh

#!/bin/bash

WRITER_VIP=192.168.56.83
READER_VIP=192.168.56.84
PXC_CHECK='/usr/bin/clustercheck clustercheck password 0'
SCRIPT=$1
WEIGHT=101

case $SCRIPT in
   'bad_pxc')
      $PXC_CHECK || exit 1
      ;;
   'prefer_pxc01')
      [ "$(hostname|cut -d'.' -f1)" == 'pxc01' ] || exit 1
      ;;
   'prefer_pxc02')
      [ "$(hostname|cut -d'.' -f1)" == 'pxc02' ] || exit 1
      ;;
   'nopreempt_writer')
      [[ "$(hostname|cut -d'.' -f1)" != 'pxc01' && $(ip ad sh|grep $WRITER_VIP) && $(ip ad sh|grep $READER_VIP|grep -c inet) -eq 0 ]] || exit 1
      ;;
   'nopreempt_reader')
      [[ "$(hostname|cut -d'.' -f1)" != 'pxc02' && $(ip ad sh|grep $READER_VIP) && $(ip ad sh|grep $WRITER_VIP|grep -c inet) -eq 0 ]] || exit 1
      ;;
   'repel_writer')
      [ $(ip ad sh|grep $WRITER_VIP|grep -c inet) -eq 0 ] || exit 1
      ;;
   'repel_reader')
      [ $(ip ad sh|grep $READER_VIP|grep -c inet) -eq 0 ] || exit 1
      ;;
esac

exit 0