config/init/sysvinit/lxcfs

   1 #! /bin/sh
   2
   3 ### BEGIN INIT INFO
   4 # Short-Description:    FUSE filesystem for LXC
   5 # Description:          FUSE filesystem for LXC
   6 # Provides:             lxcfs
   7 # Required-Start:       $remote_fs
   8 # Required-Stop:        $remote_fs
   9 # Should-Start:         cgroupfs-mount
  10 # Should-Stop:          cgroupfs-mount
  11 # Default-Start:        2 3 4 5
  12 # Default-Stop:         0 1 6
  13 ### END INIT INFO
  14
  15 DAEMON=/usr/bin/lxcfs
  16 NAME=lxcfs
  17 DESC="FUSE filesystem for LXC"
  18 PIDFILE=/var/run/lxcfs.pid
  19 OOM_SCORE_ADJ="-1000"
  20
  21 . /lib/lsb/init-functions
  22
  23 test -f ${DAEMON} || exit 0
  24
  25 set -e
  26
  27 START="-m --start --quiet --pidfile ${PIDFILE} --name ${NAME} --startas $DAEMON --background"
  28 case "$1" in
  29     start)
  30         if init_is_upstart; then
  31             exit 1
  32         fi
  33
  34         # Don't start if bind-mounted from host
  35         [ ! -d /var/lib/lxcfs/proc ] || exit 0
  36
  37         # Cleanup in case of crash
  38         fusermount -u /var/lib/lxcfs 2> /dev/null || true
  39         [ -L /etc/mtab ] || \
  40             sed -i "/^lxcfs \/var\/lib\/lxcfs fuse.lxcfs/d" /etc/mtab
  41
  42         echo -n "Starting $DESC: "
  43         if start-stop-daemon ${START} -- /var/lib/lxcfs >/dev/null 2>&1 ; then
  44             echo "${NAME}."
  45             echo ${OOM_SCORE_ADJ} > /proc/`cat ${PIDFILE}`/oom_score_adj
  46         else
  47             if start-stop-daemon --test ${START} >/dev/null 2>&1; then
  48                 echo "(failed)."
  49                 exit 1
  50             else
  51                 echo "${DAEMON} already running."
  52                 exit 0
  53             fi
  54         fi
  55
  56         exit 0
  57     ;;
  58
  59     stop)
  60         if init_is_upstart; then
  61             exit 0
  62         fi
  63         echo -n "Stopping $DESC: "
  64         if start-stop-daemon --stop --quiet --pidfile ${PIDFILE} \
  65             --startas ${DAEMON} --retry 10 --name ${NAME} \
  66             >/dev/null 2>&1 ; then
  67                 echo "${NAME}."
  68         else
  69             if start-stop-daemon --test ${START} >/dev/null 2>&1; then
  70                 echo "(not running)."
  71                 exit 0
  72             else
  73                 echo "(failed)."
  74                 exit 1
  75             fi
  76         fi
  77
  78         exit 0
  79     ;;
  80
  81     status)
  82         if init_is_upstart; then
  83             exit 0
  84         fi
  85         status_of_proc -p ${PIDFILE} "${DAEMON}" lxcfs
  86     ;;
  87
  88     reload)
  89         if init_is_upstart; then
  90             exit 1
  91         fi
  92         kill -USR1 $(cat ${PIDFILE})
  93     ;;
  94
  95     restart|force-reload)
  96         if init_is_upstart; then
  97             exit 1
  98         fi
  99         $0 stop
 100         exec $0 start
 101     ;;
 102
 103     *)
 104         echo "Usage: $0 {start|stop|restart|force-reload}" 1>&2
 105         exit 1
 106     ;;
 107 esac