osgi-service

   1 #!/bin/sh
   2
   3 JVM=java
   4 . /etc/osgiboot/osgi-service-settings.sh
   5
   6 APP=$1
   7
   8 CONF_DIR=/etc/$APP
   9 if [ -f $CONF_DIR/settings.sh ];then
  10         . $CONF_DIR/settings.sh
  11 fi
  12
  13 LIB_DIR=/usr/share/$APP/lib
  14
  15 # read/write
  16 EXEC_DIR=/var/lib/$APP
  17 DATA_DIR=$EXEC_DIR/data
  18 CONF_RW=$EXEC_DIR/conf
  19
  20 LOG_DIR=/var/log/$APP
  21 LOG_FILE=$LOG_DIR/$APP.log
  22
  23 RUN_DIR=/var/run/$APP
  24 PID_FILE=$RUN_DIR/$APP.pid
  25 SHUTDOWN_FILE=$RUN_DIR/$APP.shutdown
  26
  27 OSGI_INSTALL_AREA=/usr/share/osgi/boot
  28 OSGI_FRAMEWORK=$OSGI_INSTALL_AREA/org.eclipse.osgi.jar
  29
  30 RETVAL=0
  31
  32 start() {
  33         if [ -f $PID_FILE ];then
  34                 PID=`cat $PID_FILE`
  35                 kill -0 $PID &> /dev/null
  36                 PID_EXISTS=$?
  37                 if [ $PID_EXISTS -eq 0 ]; then
  38                         echo $APP already running with pid $PID
  39                         RETVAL=1
  40                         return $RETVAL
  41                 else
  42                         echo Old $APP process with pid $PID is dead, removing $PID_FILE
  43                         rm -f $PID_FILE
  44                 fi
  45         fi
  46
  47         cp --preserve $CONF_DIR/config.ini $CONF_RW/config.ini
  48         touch $SHUTDOWN_FILE
  49         cd $EXEC_DIR
  50         $JVM \
  51                 -Dargeo.osgi.shutdownFile="$SHUTDOWN_FILE" \
  52                 -Dlog4j.configuration="file:$CONF_DIR/log4j.properties" \
  53                 -Dorg.osgi.framework.security=osgi \
  54                 -Djava.security.policy="file:/etc/osgiboot/all.policy" \
  55                 $JAVA_OPTS -jar $OSGI_FRAMEWORK \
  56                 -clean \
  57                 -configuration "$CONF_RW" \
  58                 -data "$DATA_DIR" \
  59                 >> $LOG_FILE 2>&1 &
  60         # (above) stderr redirected to stdout, then stdout to log file
  61         # see http://tldp.org/LDP/abs/html/io-redirection.html
  62         PID=$!
  63         echo $PID > $PID_FILE
  64         #echo Started $APP with pid $PID
  65         return $RETVAL
  66 }
  67
  68 stop() {
  69         if [ -f $PID_FILE ];then
  70                 PID=`cat $PID_FILE`
  71                 kill -0 $PID &> /dev/null
  72                 PID_EXISTS=$?
  73                 if [ $PID_EXISTS -ne 0 ]; then
  74                         echo Dead $APP process with pid $PID, removing $PID_FILE
  75                         rm -f $PID_FILE
  76                         RETVAL=1
  77                         return $RETVAL
  78                 fi
  79         else
  80                 echo $APP is not running
  81                 RETVAL=1
  82                 return $RETVAL
  83         fi
  84
  85         # notifies application by removing the shutdown file
  86         rm -f $SHUTDOWN_FILE
  87
  88         # wait 5 min for application to shutdown, then kill it
  89         TIMEOUT=$((5*60))
  90         BEGIN=$(date +%s)
  91         while kill -0 $PID &> /dev/null
  92         do
  93                 sleep 1
  94                 NOW=$(date +%s)
  95                 DURATION=$(($NOW-$BEGIN))
  96                 if [ $DURATION -gt $TIMEOUT ]; then
  97                         kill -9 $PID
  98                         echo Forcibly killed $APP with pid $PID
  99                         RETVAL=1
 100                 fi
 101         done
 102
 103         # remove pid file
 104         rm -f $PID_FILE
 105         return $RETVAL
 106
 107 # timeout is only available in EL6
 108 #       timeout 5m sh << EOF
 109 #while kill -0 $PID &> /dev/null; do sleep 1; done
 110 #EOF
 111 #       TIMEOUT_EXIT=$?
 112 #       if [ $TIMEOUT_EXIT -eq 124 ];then
 113 #               kill -9 $PID
 114 #               RETVAL=1
 115 #               echo Killed $APP with pid $PID
 116 #       else
 117 #               echo Stopped $APP with pid $PID
 118 #       fi
 119 #       rm -f $PID_FILE
 120 #       return $RETVAL
 121 }
 122
 123 status() {
 124         if [ -f $PID_FILE ];then
 125                 PID=`cat $PID_FILE`
 126         else
 127                 echo $APP is not running
 128                 return $RETVAL
 129         fi
 130         kill -0 $PID &> /dev/null
 131         PID_EXISTS=$?
 132         if [ $PID_EXISTS -eq 0 ]; then
 133                 echo $APP is running with pid $PID ...
 134         else
 135                 echo No $APP process with pid $PID, removing $PID_FILE
 136                 rm -f $PID_FILE
 137         fi
 138         return $RETVAL
 139 }
 140
 141 # main
 142 case "$2" in
 143   start)
 144         start
 145         ;;
 146   stop)
 147         stop
 148         ;;
 149   status)
 150         status
 151         ;;
 152   *)
 153         echo $"Usage: $0 {start|stop|status}"
 154         exit 1
 155 esac