util-vserver.init

   1 #!/bin/sh
   2 #
   3 # util-vserver: sets the path to vshelper and kills all guest processes
   4 #
   5 # chkconfig:    2345 10 99
   6 # description:  Sets the path to vshelper and kills all guest processes
   7
   8 # Source function library
   9 . /etc/rc.d/init.d/functions
  10
  11 [ -n "$UTIL_VSERVER_VARS" ] || UTIL_VSERVER_VARS=/usr/lib/util-vserver/util-vserver-vars
  12 if [ ! -e "$UTIL_VSERVER_VARS" ] ; then
  13         echo "Can not find util-vserver installation (the file '$UTIL_VSERVER_VARS' would be expected); aborting..." >&2
  14         exit 1
  15 fi
  16 . "$UTIL_VSERVER_VARS"
  17
  18 start()
  19 {
  20         show "Setting path to vshelper"
  21         if [ -e /proc/sys/kernel/vshelper ]; then
  22                 echo "$_VSHELPER" >/proc/sys/kernel/vshelper
  23                 ok
  24         else
  25                 fail
  26         fi
  27         run_cmd "Loading default device map" $__PKGLIBDIR/bash-wrapper "handleDeviceMap --set 0 $__CONFDIR/.defaults/apps/vdevmap"
  28 }
  29
  30 # Stop all running, but non-default guests"
  31 stop()
  32 {
  33         run_cmd "Stopping all running guests" $_START_VSERVERS -j 1 --all --stop
  34
  35         xids=$(cd /proc/virtual ; echo [0-9]*)
  36         if [ -n "$xids" ]; then
  37                 show "Sending all contexts the TERM signal"
  38                 for xid in $xids; do
  39                         $_VATTRIBUTE --xid $xid --set --flag ~persistent
  40                         $_VKILL --xid $xid -s 15
  41                 done
  42                 xids=$(cd /proc/virtual ; echo [0-9]*)
  43                 if [ -n "$xids" ]; then
  44                         fail
  45                 else
  46                         ok
  47                 fi
  48         fi
  49         if [ -n "$xids" ]; then
  50                 sleep 5
  51                 show "Sending all contexts the KILL signal"
  52                 for xid in $xids; do
  53                         $_VATTRIBUTE --xid $xid --set --flag ~persistent
  54                         $_VKILL --xid $xid -s 9
  55                 done
  56                 xids=$(cd /proc/virtual ; echo [0-9]*)
  57                 if [ -n "$xids" ]; then
  58                         fail
  59                 else
  60                         ok
  61                 fi
  62         fi
  63 }
  64
  65 RETVAL=0
  66 # See how we were called.
  67 case "$1" in
  68   start)
  69         start
  70         ;;
  71   stop)
  72         stop
  73         ;;
  74   restart)
  75         stop
  76         start
  77         ;;
  78   reload|force-reload)
  79         start
  80         [ $? -ne 0 ] && RETVAL=7
  81         ;;
  82   status)
  83         if [ -e /proc/sys/kernel/vshelper ]; then
  84                 read _vsh </proc/sys/kernel/vshelper
  85                 show "Path to vshelper: $_vsh, expected: $_VSHELPER"
  86                 if [ "$_vsh" = "$_VSHELPER" ]; then
  87                         ok
  88                         RETVAL=0
  89                 else
  90                         fail
  91                         RETVAL=1
  92                 fi
  93         else
  94                 RETVAL=1
  95         fi
  96         ;;
  97   *)
  98         msg_usage "$0 {start|stop|restart|reload|force-reload|status}"
  99         exit 3
 100         ;;
 101 esac
 102
 103 exit $RETVAL