config/init/common/lxc-containers.in

   1 #!/bin/sh
   2
   3 sysconfdir="@SYSCONFDIR@"
   4 distrosysconfdir="@LXC_DISTRO_SYSCONF@"
   5 bindir="@BINDIR@"
   6 localstatedir="@LOCALSTATEDIR@"
   7
   8 # These can be overridden in @LXC_DISTRO_SYSCONF@/lxc
   9
  10 # Autostart containers?
  11 LXC_AUTO="true"
  12
  13 # BOOTGROUPS - What groups should start on bootup?
  14 #       Comma separated list of groups.
  15 #       Leading comma, trailing comma or embedded double
  16 #       comma indicates when the NULL group should be run.
  17 # Example (default): boot the onboot group first then the NULL group
  18 BOOTGROUPS="onboot,"
  19
  20 # SHUTDOWNDELAY - Wait time for a container to shut down.
  21 #       Container shutdown can result in lengthy system
  22 #       shutdown times.  Even 5 seconds per container can be
  23 #       too long.
  24 SHUTDOWNDELAY=5
  25
  26 # OPTIONS can be used for anything else.
  27 #       If you want to boot everything then
  28 #       options can be "-a" or "-a -A".
  29 OPTIONS=
  30
  31 # STOPOPTS are stop options.  The can be used for anything else to stop.
  32 #       If you want to kill containers fast, use -k
  33 STOPOPTS="-a -A -s"
  34
  35 # Source function library.
  36 test ! -r "$sysconfdir"/rc.d/init.d/functions ||
  37         . "$sysconfdir"/rc.d/init.d/functions
  38
  39 # provide action() fallback
  40 if ! type action >/dev/null 2>&1; then
  41     # Real basic fallback for sysvinit "action" verbage.
  42     action() {
  43         echo -n "$1     "
  44        "$@" && echo "OK" || echo "Failed"
  45     }
  46 fi
  47
  48 if [ -d "$localstatedir"/lock/subsys ]
  49 then
  50         lockdir="$localstatedir"/lock/subsys
  51 else
  52         lockdir="$localstatedir"/lock
  53 fi
  54
  55 # Source any configurable options
  56 [ ! -f "$distrosysconfdir"/lxc ] || . "$distrosysconfdir"/lxc
  57
  58 # Check for needed utility program
  59 [ -x "$bindir"/lxc-autostart ] || exit 1
  60
  61 # If libvirtd is providing the bridge, it might not be
  62 # immediately available, so wait a bit for it before starting
  63 # up the containers or else any that use the bridge will fail
  64 # to start
  65 wait_for_bridge()
  66 {
  67     [ -f "$sysconfdir"/lxc/default.conf ] || { return 0; }
  68
  69     which ifconfig >/dev/null 2>&1
  70     if [ $? = 0 ]; then
  71         cmd="ifconfig -a"
  72     else
  73         which ip >/dev/null 2>&1
  74         if [ $? = 0 ]; then
  75             cmd="ip link list"
  76         fi
  77     fi
  78     [ -n cmd ] || { return 0; }
  79
  80     BRNAME=`grep '^[    ]*lxc.network.link' "$sysconfdir"/lxc/default.conf | sed 's/^.*=[       ]*//'`
  81     if [ -z "$BRNAME" ]; then
  82         return 0
  83     fi
  84
  85     for try in `seq 1 30`; do
  86         eval $cmd |grep "^$BRNAME" >/dev/null 2>&1
  87         if [ $? = 0 ]; then
  88             return
  89         fi
  90         sleep 1
  91     done
  92 }
  93
  94 # See how we were called.
  95 case "$1" in
  96     start)
  97         [ "x$LXC_AUTO" = "xtrue" ] || { exit 0; }
  98
  99         [ ! -f "$lockdir"/lxc ] || { exit 0; }
 100
 101         if [ -n "$BOOTGROUPS" ]; then
 102             BOOTGROUPS="-g $BOOTGROUPS"
 103         fi
 104
 105         # Start containers
 106         wait_for_bridge
 107
 108         # Start autoboot containers first then the NULL group "onboot,".
 109         action $"Starting LXC autoboot containers: " "$bindir"/lxc-autostart $OPTIONS $BOOTGROUPS
 110         touch "$lockdir"/lxc
 111     ;;
 112
 113     stop)
 114         if [ -n "$SHUTDOWNDELAY" ]; then
 115             SHUTDOWNDELAY="-t $SHUTDOWNDELAY"
 116         fi
 117
 118         # The stop is serialized and can take excessive time.  We need to avoid
 119         # delaying the system shutdown / reboot as much as we can since it's not
 120         # parallelized...  Even 5 second timout may be too long.
 121         action $"Stopping LXC containers: " "$bindir"/lxc-autostart $STOPOPTS $SHUTDOWNDELAY
 122         rm -f "$lockdir"/lxc
 123     ;;
 124
 125     restart|reload|force-reload)
 126         $0 stop
 127         $0 start
 128     ;;
 129
 130     *)
 131         echo "Usage: $0 {start|stop|restart|reload|force-reload}"
 132         exit 2
 133     ;;
 134 esac
 135
 136 exit $?