pound.init

   1 #!/bin/sh
   2 #
   3 # pound
   4 #
   5 # chkconfig:    345 85 15
   6 # description:  reverse-proxy and load-balancer
   7 #
   8
   9 # Source function library
  10 . /etc/rc.d/init.d/functions
  11
  12 # Get network config
  13 . /etc/sysconfig/network
  14
  15 # List of instances to start.
  16 POUND_INSTANCES="pound"
  17
  18 # Get service config
  19 [ -f /etc/sysconfig/pound ] && . /etc/sysconfig/pound
  20
  21 # Check that networking is up.
  22 if is_yes "${NETWORKING}"; then
  23         if [ ! -f /var/lock/subsys/network -a "$1" != stop -a "$1" != status ]; then
  24                 msg_network_down pound
  25                 exit 1
  26         fi
  27 else
  28         exit 0
  29 fi
  30
  31 # check if the $1 instance is up
  32 is_up() {
  33         local instance="$1"
  34         local pidfile=/var/run/pound/$instance.pid
  35         [ -f $pidfile ] || return 1
  36         local pid=$(cat $pidfile)
  37         kill -0 $pid 2>/dev/null
  38         return $?
  39 }
  40
  41 start() {
  42         local ret started=0
  43         # Check if the service is already running?
  44         if [ ! -f /var/lock/subsys/pound -o "$single" = 1 ]; then
  45                 for instance in $POUND_INSTANCES; do
  46                         is_up $instance && continue
  47                         msg_starting "Pound ($instance)"
  48                         daemon pound -f /etc/pound/$instance.cfg -p /var/run/pound/$instance.pid
  49                         ret=$?
  50                         if [ $RETVAL -eq 0 ]; then
  51                                 RETVAL=$ret
  52                                 started=1
  53                         fi
  54                 done
  55                 [ $started = 1 ] && touch /var/lock/subsys/pound
  56
  57                 if [ -z "$ret" -a "$single" = 1 ]; then
  58                         msg_already_running "Pound ($instance)"
  59                 fi
  60         else
  61                 msg_already_running "Pound"
  62         fi
  63 }
  64
  65 stop() {
  66         local ret
  67         # Stop daemons.
  68         if [ -f /var/lock/subsys/pound ]; then
  69                 for instance in $POUND_INSTANCES; do
  70                         is_up $instance || continue
  71                         msg_stopping "Pound ($instance)"
  72                         killproc --pidfile pound/$instance.pid pound
  73                         ret=$?
  74                 done
  75                 [ "$single" != 1 ] && rm -f /var/lock/subsys/pound > /dev/null 2>&1
  76                 if [ -z "$ret" -a "$single" = 1 ]; then
  77                         msg_not_running "Pound ($instance)"
  78                 fi
  79         else
  80                 msg_not_running "Pound"
  81         fi
  82 }
  83
  84 if [ "$1" != status -a "$2" ]; then
  85         POUND_INSTANCES="$2"
  86         single=1
  87 fi
  88
  89 RETVAL=0
  90 # See how we were called.
  91 case "$1" in
  92   start)
  93         start
  94         ;;
  95   stop)
  96         stop
  97         ;;
  98   status)
  99         nls "Configured Pound instances:"
 100         echo " $POUND_INSTANCES"
 101         nls "Currently active Pound instances:"
 102         stat=1
 103         for pidfile in /var/run/pound/*.pid; do
 104                 [ -f "$pidfile" ] || continue
 105                 instance=${pidfile#/var/run/pound/}
 106                 instance=${instance%.pid}
 107                 is_up $instance && echo -n " $instance($(cat $pidfile))"
 108                 stat=0
 109         done
 110         echo ""
 111         exit $stat
 112         ;;
 113   restart|force-reload)
 114         stop
 115         start
 116         ;;
 117   *)
 118         msg_usage "$0 {start|stop|restart|force-reload|status} [INSTANCE NAMES]"
 119         exit 3
 120 esac
 121
 122 exit $RETVAL