cgconfig.init

   1 #!/bin/sh
   2 #
   3 # cgconfig      Control Groups Configuration Startup
   4 # chkconfig:    2345 01 99
   5 # description:  This script runs the cgconfigparser utility to parse and setup \
   6 #               the control group filesystem. It uses /etc/cgconfig.conf \
   7 #               and parses the configuration specified in there.
   8
   9 # Source function library
  10 . /etc/rc.d/init.d/functions
  11
  12 # read the config
  13 [ -f /etc/sysconfig/cgconfig ] && . /etc/sysconfig/cgconfig
  14
  15 mount_cgroup() {
  16         if [ -n "`grep /sys/fs/cgroup /proc/mounts`" ]; then
  17                 return 0
  18         fi
  19
  20         # kernel provides cgroups?
  21         if [ ! -e /proc/cgroups ]; then
  22                 return 0
  23         fi
  24
  25         run_cmd "Mounting /sys/fs/cgroup" mount -t tmpfs -o uid=0,gid=0,mode=0755 cgroup /sys/fs/cgroup
  26 }
  27
  28 umount_cgroup() {
  29         # If /sys/fs/cgroup is not mounted, we don't bother
  30         if [ -z "`grep /sys/fs/cgroup /proc/mounts`" ]; then
  31                 return 0
  32         fi
  33
  34         # Don't try to get too smart, just optimistically try to umount all
  35         # that we think we mounted
  36         run_cmd "Unmounting /sys/fs/cgroup" umount /sys/fs/cgroup
  37         return $?
  38 }
  39
  40 start() {
  41         # Check if the service is already running?
  42         if [ -f /var/lock/subsys/cgconfig ]; then
  43                 msg_already_running "cgconfig"
  44                 return
  45         fi
  46         if [ ! -s /etc/cgconfig.conf ]; then
  47                 nls "/etc/cgconfig.conf is not configured"
  48                 RETVAL=6
  49                 return
  50         fi
  51         mount_cgroup
  52         msg_starting "cgconfig"; busy
  53         local out
  54         out=$(/sbin/cgconfigparser -l /etc/cgconfig.conf 2>&1)
  55         RETVAL=$?
  56         if [ $RETVAL -ne 0 ]; then
  57                 fail
  58                 [ "$out" ] && echo >&2 "$out"
  59                 exit $RETVAL
  60         fi
  61
  62         RETVAL=$?
  63         [ $RETVAL -eq 0 ] && touch /var/lock/subsys/cgconfig
  64         ok
  65 }
  66
  67 stop() {
  68         if [ ! -f /var/lock/subsys/cgconfig ]; then
  69                 msg_not_running "cgconfig"
  70                 return
  71         fi
  72
  73         msg_stopping "cgconfig"
  74         cgclear
  75         RETVAL=$?
  76         cgclear
  77         rm -f /var/lock/subsys/cgconfig
  78         ok
  79         umount_cgroup
  80 }
  81
  82 condrestart() {
  83         if [ ! -f /var/lock/subsys/cgconfig ]; then
  84                 msg_not_running "cgconfig"
  85                 RETVAL=$1
  86                 return
  87         fi
  88
  89         stop
  90         start
  91 }
  92
  93 RETVAL=0
  94 case "$1" in
  95   start)
  96         start
  97         ;;
  98   stop)
  99         stop
 100         ;;
 101   restart)
 102         stop
 103         start
 104         ;;
 105   try-restart)
 106         condrestart 0
 107         ;;
 108   force-reload)
 109         condrestart 7
 110         ;;
 111   status)
 112         if [ -f /var/lock/subsys/cgconfig ] ; then
 113                 echo "Running"
 114                 exit 0
 115         else
 116                 echo "Stopped"
 117                 exit 3
 118         fi
 119         ;;
 120   *)
 121         msg_usage "$0 {start|stop|restart|try-restart|force-reload|status}"
 122         exit 3
 123         ;;
 124 esac
 125
 126 exit $RETVAL