- release 3 (by relup.sh)

[packages/pound.git] / pound.init

diff --git a/pound.init b/pound.init
old mode 100644 (file)
new mode 100755 (executable)
index f08349e..09ed5f2
--- a/pound.init
+++ b/pound.init
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# pound        
+# pound
 #
 # chkconfig:   345 85 15
 # description: reverse-proxy and load-balancer
@@ -12,6 +12,9 @@
 # Get network config
 . /etc/sysconfig/network
 
+# List of instances to start.
+POUND_INSTANCES="pound"
+
 # Get service config
 [ -f /etc/sysconfig/pound ] && . /etc/sysconfig/pound
 
@@ -25,41 +28,204 @@ else
        exit 0
 fi
 
+configtest() {
+       local instance="$1"
+       pound -c -f /etc/pound/$instance.cfg > /dev/null
+}
+
+# check if the $1 instance is up
+is_up() {
+       local instance="$1"
+       local pidfile=/var/run/pound/$instance.pid
+       [ -f $pidfile ] || return 1
+       local pid=$(cat $pidfile)
+       kill -0 $pid 2>/dev/null
+       return $?
+}
+
+# check if any of the instances are up
+any_up() {
+       local ret=1 instance pidfile
+
+       for pidfile in /var/run/pound/*.pid; do
+               [ -f "$pidfile" ] || continue
+               instance=${pidfile#/var/run/pound/}
+               instance=${instance%.pid}
+               is_up $instance || continue
+               ret=0
+       done
+
+       return $ret
+}
+
+# check if all of the instances are up
+all_up() {
+       local ret=1 instance pidfile
+
+       for pidfile in /var/run/pound/*.pid; do
+               [ -f "$pidfile" ] || continue
+               instance=${pidfile#/var/run/pound/}
+               instance=${instance%.pid}
+               is_up $instance && continue
+               ret=0
+       done
+
+       return $ret
+}
+
+start() {
+       local ret started=0 found=0 instance
+
+       # Check if the service is already running?
+       if all_up; then
+               msg_already_running "Pound"
+               return
+       fi
+
+       msg_starting "Pound"; started
+       for instance in $POUND_INSTANCES; do
+               show "Starting Pound instance %s" "$instance"
+               if is_up $instance; then
+                       started
+                       continue
+               fi
+
+               PIDFILE=/var/run/pound/$instance.pid
+               start-stop-daemon --start \
+                       --exec /usr/sbin/pound \
+                       --pidfile $PIDFILE -- -v -f /etc/pound/$instance.cfg -p $PIDFILE
+               ret=$?
+
+               if [ $ret -eq 0 ]; then
+                       ok
+                       RETVAL=$ret
+                       started=1
+                       found=1
+               else
+                       fail
+               fi
+       done
+
+       [ $RETVAL -eq 0 ] && touch /var/lock/subsys/pound
+}
+
+stop() {
+       # Stop daemons.
+       if ! any_up; then
+               msg_not_running "Pound"
+               return
+       fi
+
+       local ret instance
+       msg_stopping "Pound"; started
+       for instance in $POUND_INSTANCES; do
+               is_up $instance || continue
+               show "Stopping Pound instance %s" "$instance"; busy
+               killproc --pidfile pound/$instance.pid pound
+               ret=$?
+       done
+       rm -f /var/lock/subsys/pound > /dev/null 2>&1
+       rm -f /var/run/pound/$instance.pid > /dev/null 2>&1
+}
+
+restart() {
+       local instance
+
+       if any_up; then
+               # make up list of configured and up instances
+               local list
+               show "Checking configuration"; busy
+               for instance in $POUND_INSTANCES; do
+                       # skip ones whose config fails
+                       configtest $instance || continue
+                       list="$list $instance"
+               done
+
+               # nothing left or never was
+               if [ -z "$list" ]; then
+                       fail
+                       return
+               else
+                       POUND_INSTANCES=$list
+                       ok
+               fi
+
+       fi
+
+       stop
+       start
+}
+
+condrestart() {
+       if [ ! -f /var/lock/subsys/pound ]; then
+               msg_not_running "Pound"
+               RETVAL=$1
+               return
+       fi
+
+       stop
+       start
+}
+
+pound_status() {
+       local stat=1 pidfile instance
+
+       nls "Configured Pound instances:"
+       echo " $POUND_INSTANCES"
+       nls "Currently active Pound instances:"
+       for pidfile in /var/run/pound/*.pid; do
+               [ -f "$pidfile" ] || continue
+               instance=${pidfile#/var/run/pound/}
+               instance=${instance%.pid}
+               is_up $instance && echo -n " $instance($(cat $pidfile))"
+               stat=0
+       done
+       echo ""
+       exit $stat
+}
+
+if [ "$1" != status -a "$2" ]; then
+       POUND_INSTANCES="$2"
+fi
+
 RETVAL=0
 # See how we were called.
 case "$1" in
   start)
-       # Check if the service is already running?
-       if [ ! -f /var/lock/subsys/pound ]; then
-               msg_starting pound
-               daemon pound -f /etc/pound/pound.cfg
-               RETVAL=$?
-               [ $RETVAL -eq 0 ] && touch /var/lock/subsys/pound
-       else
-               msg_already_running pound
-       fi
+       start
        ;;
   stop)
-       # Stop daemons.
+       stop
+       ;;
+  restart)
+       restart
+       ;;
+  try-restart)
+       condrestart 0
+       ;;
+  force-reload)
+       condrestart 7
+       ;;
+  flush-logs)
        if [ -f /var/lock/subsys/pound ]; then
-               msg_stopping pound
-               killproc pound
-               rm -f /var/lock/subsys/pound > /dev/null 2>&1
+               for instance in $POUND_INSTANCES; do
+                       show "Rotating Pound logs for %s instance" $instance
+                       killproc --pidfile /var/run/pound/$instance.pid pound -USR1
+                       ret=$?
+                       if [ $ret != 0 ]; then
+                               RETVAL=$ret
+                       fi
+               done
        else
-               msg_not_running pound
+               msg_not_running "Pound"
+               RETVAL=7
        fi
        ;;
   status)
-       status pound
-       exit $?
-       ;;
-  restart|force-reload)
-       $0 stop
-       $0 start
-       exit $?
+       pound_status
        ;;
   *)
-       msg_usage "$0 {start|stop|restart|force-reload|status}"
+       msg_usage "$0 {start|stop|restart|try-restart|force-reload|flush-logs|status} [INSTANCE NAMES]"
        exit 3
 esac