# llxcfg-ocfs2-net

description     "LliureX network net ocfs2"

start on ( llxnetworking-done )
stop on ( llx-cluster-ocfs2-stop )

emits llx-cluster-ocfs2-stop

pre-start script
	MAX_TIME=120
	SLEEP_TIME=2
	RUNNING_TIME=0
	RUNNING_TIME_SEARCH_OCFS2=0
	RUNNING_TIME_SEARCH_ISCSI=0
	RUNNING_TIME_SEARCH_MULTIPATH=0
	STOP_SERVICE_OCFS2="N"
	STOP_SERVICE_ISCSI="N"
	STOP_SERVICE_MULTIPATH="N"
	STOP_SERVICE="N"
	OCFS2_DISK_TMP=""
	ZNB_HOME="/net/zero-net-boot/tftp/modelo-"
	PXE_HOME="/var/lib/tcos/tftp/edit-"
	VAR_LIST="OCFS2_NET_EXPORT_DIRS OCFS2_MOUNT_FSTAB OCFS2_DISK LLIUREX_PXE_FLAVOURS"
	LLX_GETVAR="/usr/sbin/llxcfg-showvars"
	eval `${LLX_GETVAR} ${VAR_LIST}`

	#if [ -e /etc/default/o2cb ]; then
	#	. /etc/default/o2cb
	#	if [ "$O2CB_ENABLED" = "false" ] && [ -e /etc/ocfs2/ocfs2.debconf ]; then
	#		export DEBIAN_FRONTEND=noninteractive
	#		export DEBCONF_FRONTEND=noninteractive
	#		debconf-set-selections /etc/ocfs2/ocfs2.debconf
	#		dpkg-reconfigure ocfs2-tools 2>/dev/null
	#	fi
	#fi

	if [ -x "/sbin/iscsid" ] && [ -x "/sbin/mount.ocfs2" ]; then
		while : ; do
			STOP_SERVICE_ISCSI="N"

			if pidof iscsid; then
				STOP_SERVICE_ISCSI="Y"
				sleep $SLEEP_TIME
				break
			fi
			
			if [ $RUNNING_TIME_SEARCH_ISCSI -gt $MAX_TIME ]; then
				exit 0
			fi

			sleep $SLEEP_TIME
			RUNNING_TIME_SEARCH_ISCSI=$(($RUNNING_TIME_SEARCH_ISCSI + $SLEEP_TIME))
		done
	fi

	if [ -x "/sbin/multipathd" ] && [ -x "/sbin/multipath" ]; then
		while : ; do
			STOP_SERVICE_MULTIPATH="N"

			if pidof multipathd; then
				STOP_SERVICE_MULTIPATH="Y"
				sleep $SLEEP_TIME
				break
			fi
			
			if [ $RUNNING_TIME_SEARCH_MULTIPATH -gt $MAX_TIME ]; then
				exit 0
			fi

			sleep $SLEEP_TIME
			RUNNING_TIME_SEARCH_MULTIPATH=$(($RUNNING_TIME_SEARCH_MULTIPATH + $SLEEP_TIME))
		done
	fi

	if [ -x "/sbin/mount.ocfs2" ]; then
		while : ; do
			STOP_SERVICE_OCFS2="N"
			if [ -e /sys/kernel/config/cluster/ocfs2 ] && [ -e /dlm ]; then
				STOP_SERVICE_OCFS2="Y"
			fi
		
			if [ "$STOP_SERVICE_OCFS2" = "Y" ]; then
				if [ -x "/sbin/multipath" ]; then
					for mpath in $(ls /dev/mapper/); do
						if tunefs.ocfs2 -Q "%N" /dev/mapper/$mpath 2>/dev/null >/dev/null; then
							COUNT_PARTS=$(/sbin/dmsetup info /dev/mapper/$mpath | awk '$1 = /Open count:/ {print $3}')
							MAJOR_PART=$(/sbin/dmsetup info /dev/mapper/$mpath | awk '$1 = /Major, minor:/ {print $3}' | tr -d ",")
							MINOR_PART=$(/sbin/dmsetup info /dev/mapper/$mpath | awk '$1 = /Major, minor:/ {print $4}' | tr -d ",")
							if [ $COUNT_PARTS -gt 0 ] && [ $MAJOR_PART ] && [ $MINOR_PART ]; then
								/sbin/dmsetup ls --target multipath --exec '/sbin/kpartx -d -p -part' -j $MAJOR_PART -m $MINOR_PART
							fi
							OCFS2_DISK_TMP="/dev/mapper/$mpath"
							break
						fi
					done
				fi
				if [ -z "$OCFS2_DISK_TMP" ]; then
					for mpath in $(sfdisk -s | tac | tail -n +2 | awk -F":" '{print $1}'); do
						if tunefs.ocfs2 -Q "%N" $mpath 2>/dev/null >/dev/null; then
							OCFS2_DISK_TMP="$mpath"
							break
						fi
					done
				fi
				break
			fi

			if [ $RUNNING_TIME_SEARCH_OCFS2 -gt $MAX_TIME ]; then
				exit 0
			fi

			sleep $SLEEP_TIME
			RUNNING_TIME_SEARCH_OCFS2=$(($RUNNING_TIME_SEARCH_OCFS2 + $SLEEP_TIME))
		done
	fi


	if [ -x "/sbin/mount.ocfs2" ] && [ $OCFS2_DISK_TMP ]; then

		[ ! -d "$OCFS2_MOUNT_FSTAB" ] && mkdir -p "$OCFS2_MOUNT_FSTAB"

		CHECK_MOUNT_OCFS2=$(LC_ALL=C awk -v dev="$OCFS2_DISK_TMP" -v fstab="$OCFS2_MOUNT_FSTAB" '$1 == dev && $2 == fstab && $3 == "ocfs2" { print "yes" }' /proc/mounts)
		
		if [ "$CHECK_MOUNT_OCFS2" != "yes" ]; then
			mount -t ocfs2 -o acl,defaults $OCFS2_DISK_TMP $OCFS2_MOUNT_FSTAB || true
		fi
		

		if [ "$OCFS2_DISK_TMP" != "$OCFS2_DISK" ]; then
			llxcfg-setvars OCFS2_DISK="$OCFS2_DISK_TMP"
		fi

		while : ; do
			STOP_SERVICE="N"	

			CHECK_MOUNT_OCFS2=$(LC_ALL=C awk -v dev="$OCFS2_DISK_TMP" -v fstab="$OCFS2_MOUNT_FSTAB" '$1 == dev && $2 == fstab && $3 == "ocfs2" { print "yes" }' /proc/mounts)
			if [ "$CHECK_MOUNT_OCFS2" = "yes" ]; then
				STOP_SERVICE="Y"
			fi

			if [ "$STOP_SERVICE" = "Y" ] && [ $OCFS2_MOUNT_FSTAB ]; then
				#if [ "$(LC_ALL=C awk '$2 == "/export/net" { print "found" }' /proc/mounts)" = "found" ]; then
				#	umount /export/net || true
				#fi

				for ocfs_dir in $OCFS2_NET_EXPORT_DIRS; do
					CHECK_OCFS2_DIR_MOUNT=$(LC_ALL=C awk -v dev="$OCFS2_DISK_TMP" -v ocfsdir="/net/$ocfs_dir" '$1 == dev && $2 == ocfsdir { print "yes" }' /proc/mounts)
					if [ "$CHECK_OCFS2_DIR_MOUNT" = "yes" ]; then
						continue
					fi

					[ ! -d /net/$ocfs_dir ] && mkdir /net/$ocfs_dir 2>/dev/null || true

					if [ ! -d "$OCFS2_MOUNT_FSTAB/$ocfs_dir" ]; then
						rsync -ax --acls /net/$ocfs_dir $OCFS2_MOUNT_FSTAB/ || true
					fi

					if [ -d $OCFS2_MOUNT_FSTAB/$ocfs_dir ]; then 
						mount --bind $OCFS2_MOUNT_FSTAB/$ocfs_dir /net/$ocfs_dir || true
						mount --bind $OCFS2_MOUNT_FSTAB/$ocfs_dir /export/net/$ocfs_dir || true
					fi
				done

				for flavour in $LLIUREX_PXE_FLAVOURS;do
					case $flavour in
						biblio|server)
							flavour2="$flavour/casper/server.nfsroot"
						;;
						client)
							flavour2="$flavour/casper/client.nfsroot"
						;;
						desktop|infantil|lite|music|pime)
							flavour2="$flavour/casper/filesystem.nfsroot"
						;;
					esac

					if [ -d "${PXE_HOME}${flavour}" ] && [ -d "${ZNB_HOME}${flavour2}" ]; then 
						if ! mount | grep -q "^${ZNB_HOME}${flavour2}[[:blank:]]\+on[[:blank:]]\+${PXE_HOME}${flavour}\b" ; then
							mount --bind ${ZNB_HOME}${flavour2} ${PXE_HOME}${flavour} || true
						fi
					fi
				done

				#llxcfg-cpkg update nfs-server
				[ -e /etc/ocfs2/mount.ocfs2 ] && . /etc/ocfs2/mount.ocfs2
				llxcfg-cpkg update pxe
				lliurex-update-tcospasswd generate 2>/dev/null
				exit 0
			fi

			if [ $RUNNING_TIME -gt $MAX_TIME ]; then
				exit 0
			fi
			sleep $SLEEP_TIME
			RUNNING_TIME=$(($RUNNING_TIME + $SLEEP_TIME))
		done
	fi
	/sbin/initctl emit -n llx-cluster-ocfs2-stop
end script