#! /bin/bash
# description: Mount glustefs volumes at boot.
### BEGIN INIT INFO
# Provides: glusterfs-mount
# Required-Start: $network fuse
# Required-Stop: 
# Default-Start:  2 3 4 5 S
# Default-Stop:
# Short-Description: Mount glusterfs volumes at boot.
# Description:  Mount glusterfs volumes at boot.
### END INIT INFO
. /lib/lsb/init-functions

glusterfsmounts()
{
    LC_ALL=C awk '$3 == "fuse.glusterfs"  { print $2 }' /proc/mounts
}

glusterfsfstab()
{
    LC_ALL=C awk '!/^#/ && $3 == "glusterfs" && $4 !~ /noauto/ { print $2 }' /etc/fstab
}

case "$1" in
    start|reload)
        if [ -n "`glusterfsfstab`" ] ; then
            log_action_begin_msg "Mounting glusterfs partitions"
            mount -at glusterfs
            if [ $? = 0 ]
            then
                log_action_end_msg 0 
            else
	      echo "Error : Unable to mount glusterfs filesystems"
              log_action_end_msg 1 
            fi
        fi
        ;;
    stop)
        log_action_begin_msg "Unmounting glusterfs partitions"
        remaining="`glusterfsmounts`"
        sig=
        retry=3
	while [ -n "remaining" -a "$retry" -gt 0 ]; do
		for i in $remaining; do
			umount $i
		done
            sleep 1
            remaining="`glusterfsmounts`"
            [ -z "$remaining" ] && break
            echo " Error :Unable to unmount glusterfs attempt : $retry/3"
            sleep 5
            retry=$(($retry - 1))
            sig=-9
        done
        [ -z "$remaining" ] && log_action_end_msg 0 || log_action_end_msg 1
        ;;
    restart)
        $0 stop
        $0 start
        ;;
    status)
        if [ -f /proc/mounts ] ; then
            [ -n "`glusterfsfstab`" ] && {
                echo "Configured glusterfs mountpoints: " `glusterfsfstab`
            }

            [ -n "`glusterfsmounts`" ] && {
                echo "Active glusterfs mountpoints: " `glusterfsmounts`
            }
        else
            echo -n "Checking glusterfs mountpoints: "
            echo -n "FAILED"
        fi
        ;;
    *)
        echo "Usage: $0 {start|stop|status|reload|restart}"
        exit 1
esac