cgred.init

   1 #!/bin/sh
   2 #
   3 # cgred         CGroups Rules Engine Daemon
   4 # chkconfig:    2345 14 86
   5 # description:  This is a daemon for automatically classifying processes \
   6 #               into cgroups based on UID/GID.
   7 #
   8 # processname:  cgrulesengd
   9 # pidfile:      /var/run/cgred.pid
  10 #
  11
  12 # Source function library
  13 . /etc/rc.d/init.d/functions
  14
  15 start() {
  16         if [ -f "/var/lock/subsys/cgred" ] ; then
  17                 msg_already_running "CGroup Rules Engine Daemon"
  18                 return
  19         fi
  20
  21         if [ ! -s /etc/cgrules.conf ]; then
  22                 nls "CGroup Rules Engine Daemon not configured"
  23                 return 6
  24         fi
  25         if ! grep -qs "^cgroup" /proc/mounts ; then
  26                 nls "Cannot find cgroups, is cgconfig service running?"
  27                 return 1
  28         fi
  29         msg_staring "CGroup Rules Engine Daemon"
  30         # Read in configuration options.
  31         OPTIONS=""
  32         if [ -f "/etc/sysconfig/cgred.conf" ] ; then
  33                 . /etc/sysconfig/cgred.conf
  34
  35                 OPTIONS="$NODAEMON $LOG"
  36                 [ -n "$LOG_FILE" ] && OPTIONS="$OPTIONS --logfile=$LOG_FILE"
  37                 [ -n "$SOCKET_USER" ] && OPTIONS="$OPTIONS -u $SOCKET_USER"
  38                 [ -n "$SOCKET_GROUP" ] && OPTIONS="$OPTIONS -g $SOCKET_GROUP"
  39         fi
  40
  41         daemon --check cgred --pidfile /var/run/cgred.pid /sbin/cgrulesengd $OPTIONS
  42         RETVAL=$?
  43         if [ $RETVAL -ne 0 ]; then
  44                 return 7
  45         fi
  46         [ $RETVAL -eq 0 ] && touch /var/lock/subsys/cgred
  47         echo "`pidof cgrulesengd`" > /var/run/cgred.pid
  48 }
  49
  50 stop() {
  51         if [ -f /var/lock/subsys/cgred ]; then
  52                 msg_stopping "CGroup Rules Engine Daemon"
  53                 killproc -p /var/run/cgred.pid cgrulesengd -TERM
  54                 RETVAL=$?
  55                 if [ $RETVAL -eq 0 ] ; then
  56                         rm -f /var/lock/subsys/cgred
  57                         rm -f /var/run/cgred.pid
  58                 fi
  59         else
  60                 msg_not_running "CGroup Rules Engine Daemon"
  61         fi
  62 }
  63
  64 RETVAL=0
  65 # See how we are called
  66 case "$1" in
  67   start)
  68         start
  69         RETVAL=$?
  70         ;;
  71   stop)
  72         stop
  73         RETVAL=$?
  74         ;;
  75   status)
  76         status -p /var/run/cgred.pid cgred
  77         RETVAL=$?
  78         ;;
  79   restart)
  80         stop
  81         start
  82         ;;
  83   condrestart)
  84         if [ -f /var/lock/subsys/cgred ] ; then
  85                 stop
  86                 start
  87         fi
  88         ;;
  89   reload|flash)
  90         if [ -f /var/lock/subsys/cgred ] ; then
  91                 show "Reloading rules configuration..."
  92                 # SIGUSR2
  93                 kill -s 12 `cat ${pidfile}`
  94                 RETVAL=$?
  95                 if [ $RETVAL -eq 0 ] ; then
  96                         fail
  97                 else
  98                         ok
  99                 fi
 100         else
 101                 msg_not_running "cgred"
 102         fi
 103         ;;
 104   *)
 105         msg_usage "$0 {start|stop|status|restart|condrestart|reload}"
 106         exit 3
 107         ;;
 108 esac
 109
 110 exit $RETVAL