#!/bin/sh

usage() {

echo "Usage: llxcfg-cluster fix-cluster (no superblock restore)
\tllxcfg-cluster fix-cluster-superblock [NUM_BACKUP_SUPERBLOCK 1-6]
\tllxcfg-cluster reconfigure-ocfs2
\tllxcfg-cluster force-umount
\tllxcfg-cluster start-service (only mount ocfs2)
\tllxcfg-cluster restart-service (also force umount)
\tllxcfg-cluster tune-nodes {NUM_NODES} (new max slots nodes. Default:8)
\tllxcfg-cluster restart-cluster (restarts ocfs2 cluster and mount service)
\tllxcfg-cluster stats
\tllxcfg-cluster nodes
\tllxcfg-cluster cap-replication [ENABLED|DISABLED]
" 
exit 0
}

[ $1 ] || usage

[ "$(id -u)" != "0" ] && exit 0

VAR_LIST="OCFS2_NET_EXPORT_DIRS OCFS2_MOUNT_FSTAB OCFS2_DISK"
LLX_GETVAR="/usr/sbin/llxcfg-showvars"
eval `${LLX_GETVAR} ${VAR_LIST}`


case $1 in
	fix-cluster)
		CHECK_MOUNT_OCFS2=$(LC_ALL=C awk -v dev="$OCFS2_DISK" -v fstab="$OCFS2_MOUNT_FSTAB" '$1 == dev && $2 == fstab && $3 == "ocfs2" { print "yes" }' /proc/mounts)
		[ "$CHECK_MOUNT_OCFS2" = "yes" ] && echo "Please first umount your OCFS2 filesystem." && exit 0
		fsck.ocfs2 -f -p -y $OCFS2_DISK
		export DEBIAN_FRONTEND=noninteractive
		export DEBCONF_FRONTEND=noninteractive
		/etc/init.d/ocfs2 stop
		/etc/init.d/o2cb stop
		dpkg-reconfigure ocfs2-tools
		/etc/init.d/o2cb restart
		/etc/init.d/ocfs2 restart
		;;
	fix-cluster-superblock)
		CHECK_MOUNT_OCFS2=$(LC_ALL=C awk -v dev="$OCFS2_DISK" -v fstab="$OCFS2_MOUNT_FSTAB" '$1 == dev && $2 == fstab && $3 == "ocfs2" { print "yes" }' /proc/mounts)
		[ "$CHECK_MOUNT_OCFS2" = "yes" ] && echo "Please first umount your OCFS2 filesystem." && exit 0
		BLOCK=2
		[ $2 ] && BLOCK=$2
		fsck.ocfs2 -f -y -r $BLOCK $OCFS2_DISK
		export DEBIAN_FRONTEND=noninteractive
		export DEBCONF_FRONTEND=noninteractive
		/etc/init.d/ocfs2 stop
		/etc/init.d/o2cb stop
		dpkg-reconfigure ocfs2-tools
		/etc/init.d/o2cb restart
		/etc/init.d/ocfs2 restart
		;;
	force-umount)
		/etc/init.d/llxcfg-ocfs2-umount-net stop
		service llxcfg-ocfs2-net stop
		;;
	start-service)
		service llxcfg-ocfs2-net start
		;;
	restart-service)
		CHECK_MOUNT_OCFS2=$(LC_ALL=C awk -v dev="$OCFS2_DISK" -v fstab="$OCFS2_MOUNT_FSTAB" '$1 == dev && $2 == fstab && $3 == "ocfs2" { print "yes" }' /proc/mounts)
		if [ "$CHECK_MOUNT_OCFS2" = "yes" ]; then
			/etc/init.d/llxcfg-ocfs2-umount-net stop
		fi
		service llxcfg-ocfs2-net stop
		service llxcfg-ocfs2-net start
		;;
	tune-nodes)
		[ "$CHECK_MOUNT_OCFS2" = "yes" ] && echo "Please first umount your OCFS2 filesystem." && exit 0
		[ $2 ] && tunefs.ocfs2 -N $2 $OCFS2_DISK && exit 0
		echo "Please especify Max Node Slots."
		;;
	restart-cluster)
		/etc/init.d/llxcfg-ocfs2-umount-net stop
		service llxcfg-ocfs2-net stop
		/etc/init.d/ocfs2 stop
		/etc/init.d/o2cb stop
		/etc/init.d/o2cb start
		/etc/init.d/ocfs2 start
		service llxcfg-ocfs2-net start
		;;
	reconfigure-ocfs2)
		/etc/init.d/llxcfg-ocfs2-umount-net stop
		service llxcfg-ocfs2-net stop
		/etc/init.d/ocfs2 stop
		/etc/init.d/o2cb stop
		export DEBIAN_FRONTEND=noninteractive
		export DEBCONF_FRONTEND=noninteractive
		dpkg-reconfigure ocfs2-tools
		/etc/init.d/o2cb restart
		/etc/init.d/ocfs2 restart
		service llxcfg-ocfs2-net start
		;;
	cap-replication)
		[ "$2" = "ENABLED" ] && llxcfg-setvars CAP_DATA_REPLICATION='ENABLED'
		[ "$2" = "DISABLED" ] && llxcfg-setvars CAP_DATA_REPLICATION='DISABLED'
		;;
	stats)
 		debugfs.ocfs2 -R "stats" $OCFS2_DISK
		;;
	nodes)
		mounted.ocfs2 -f
		;;
esac