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                         echo $(nls "Missing service directory")'!'
  44                         nls "Create %s first." "$SVSCAN_DIR"
  45                         RETVAL=1
  46                 fi
  47                 [ $RETVAL -eq 0 ] && touch /var/lock/subsys/svscan
  48         else
  49                 msg_already_running svscan
  50         fi
  51 }
  52
  53 stop() {
  54         if [ -f /var/lock/subsys/svscan ]; then
  55                 msg_stopping svscan
  56                 killproc svscan
  57                 svc=$(echo $SVSCAN_DIR/*)
  58                 if [ "$svc" != "$SVSCAN_DIR/*" ]; then
  59                         svc -d -x $SVSCAN_DIR/* \
  60                                 $(find $SVSCAN_DIR/* -maxdepth 0 -follow -perm -1000 | sed -e 's,$,/log,')
  61                 fi
  62                 rm -f /var/run/svscan.pid /var/lock/subsys/svscan >/dev/null 2>&1
  63         else
  64                 msg_not_running svscan
  65         fi
  66 }
  67
  68 condrestart() {
  69         if [ -f /var/lock/subsys/svscan ]; then
  70                 stop
  71                 start
  72         else
  73                 msg_not_running svscan
  74                 RETVAL=$1
  75         fi
  76 }
  77
  78 RETVAL=0
  79 # See how we were called.
  80 case "$1" in
  81   start)
  82         start
  83         ;;
  84   stop)
  85         stop
  86         ;;
  87   restart|force-reload)
  88         stop
  89         start
  90         ;;
  91   try-restart)
  92         condrestart 0
  93         ;;
  94   force-reload)
  95         condrestart 7
  96         ;;
  97   status)
  98         status svscan
  99         RETVAL=$?
 100         svstat $SVSCAN_DIR/*
 101         RETVAL=$(($RETVAL + $?))
 102         ;;
 103   *)
 104         msg_usage "$0 {start|stop|restart|try-restart|force-reload|status}"
 105         exit 3
 106 esac
 107
 108 exit $RETVAL