daemontools.init

   1 #!/bin/sh
   2 #
   3 # svscan        svscan (scan and run services)
   4 #
   5 # chkconfig:    345 14 89
   6 #
   7 # description:  svscan (scan and run services) is a server part of the daemontools suite.
   8 #
   9 # $Id$
  10 #
  11
  12 # Source function library
  13 . /etc/rc.d/init.d/functions
  14
  15 # Get network config
  16 . /etc/sysconfig/network
  17
  18 # Get service config
  19 [ -f /etc/sysconfig/svscan ] && . /etc/sysconfig/svscan
  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 svscan
  25                 exit 1
  26         fi
  27 else
  28         exit 0
  29 fi
  30
  31 start() {
  32         # Check if the service is already running?
  33         if [ ! -f /var/lock/subsys/svscan ]; then
  34                 msg_starting svscan
  35                 busy
  36                 # we can't get status report from background job
  37                 # but we can only do simple file check
  38                 if [ -w $SVSCAN_DIR ]; then
  39                         daemon --fork /usr/sbin/svscan $SVSCAN_DIR
  40                         RETVAL=$?
  41                 else
  42                         fail
  43                         nls "Missing service directory. Create %s first." "$SVSCAN_DIR"
  44                         RETVAL=1
  45                 fi
  46                 [ $RETVAL -eq 0 ] && touch /var/lock/subsys/svscan
  47         else
  48                 msg_already_running svscan
  49         fi
  50 }
  51
  52 stop() {
  53         if [ -f /var/lock/subsys/svscan ]; then
  54                 msg_stopping svscan
  55                 killproc svscan
  56                 for s in $SVSCAN_DIR/{,*/}*/run; do
  57                         if [ -x "$s" ]; then
  58                                 svc="$svc ${s%/run}"
  59                         fi
  60                 done
  61                 if [ "$svc" ]; then
  62                         svc -d -x $svc
  63                 fi
  64                 rm -f /var/run/svscan.pid /var/lock/subsys/svscan >/dev/null 2>&1
  65         else
  66                 msg_not_running svscan
  67         fi
  68 }
  69
  70 condrestart() {
  71         if [ -f /var/lock/subsys/svscan ]; then
  72                 stop
  73                 start
  74         else
  75                 msg_not_running svscan
  76                 RETVAL=$1
  77         fi
  78 }
  79
  80 RETVAL=0
  81 # See how we were called.
  82 case "$1" in
  83   start)
  84         start
  85         ;;
  86   stop)
  87         stop
  88         ;;
  89   restart|force-reload)
  90         stop
  91         start
  92         ;;
  93   try-restart)
  94         condrestart 0
  95         ;;
  96   force-reload)
  97         condrestart 7
  98         ;;
  99   status)
 100         status svscan
 101         RETVAL=$?
 102         svstat $SVSCAN_DIR/*
 103         RETVAL=$(($RETVAL + $?))
 104         ;;
 105   *)
 106         msg_usage "$0 {start|stop|restart|try-restart|force-reload|status}"
 107         exit 3
 108 esac
 109
 110 exit $RETVAL