Improve node deployment

[lgpl/argeo-commons.git] / dist / argeo-node / rpm / usr / sbin / nodectl

diff --git a/dist/argeo-node/rpm/usr/sbin/nodectl b/dist/argeo-node/rpm/usr/sbin/nodectl
new file mode 100755 (executable)
index 0000000..26fe3ee
--- /dev/null
+++ b/dist/argeo-node/rpm/usr/sbin/nodectl
@@ -0,0 +1,152 @@
+#!/bin/sh
+APP=node
+
+JVM=java
+
+# Directories and files
+CONF_DIR=/etc/$APP
+
+EXEC_DIR=/var/lib/$APP
+DATA_DIR=$EXEC_DIR/data
+CONF_RW=$EXEC_DIR/state
+LOG_DIR=/var/log/$APP
+LOG_FILE=$LOG_DIR/$APP.log
+
+RUN_DIR=/var/run/$APP
+PID_FILE=$RUN_DIR/$APP.pid
+#SHUTDOWN_FILE=$RUN_DIR/$APP.shutdown
+
+OSGI_INSTALL_AREA=/usr/share/osgi/boot
+OSGI_FRAMEWORK=$OSGI_INSTALL_AREA/org.eclipse.osgi.jar
+
+# Overwrite variables
+if [ -f $CONF_DIR/settings.sh ];then
+       . $CONF_DIR/settings.sh
+fi
+
+RETVAL=0
+
+start() {
+       if [ -f $PID_FILE ];then
+               PID=`cat $PID_FILE`
+               kill -0 $PID &> /dev/null
+               PID_EXISTS=$?
+               if [ $PID_EXISTS -eq 0 ]; then
+                       echo $APP already running with pid $PID
+                       RETVAL=1
+                       return $RETVAL
+               else
+                       echo Old $APP process with pid $PID is dead, removing $PID_FILE
+                       rm -f $PID_FILE
+               fi
+       fi
+
+#      if [ ! -f $CONF_RW/config.ini ]; then
+               cp --preserve $CONF_DIR/config.ini $CONF_RW/config.ini
+#      fi
+#      touch $SHUTDOWN_FILE
+       cd $EXEC_DIR
+       $JVM \
+               -Dlog4j.configuration="file:$CONF_DIR/log4j.properties" \
+               -Djava.security.manager= \
+               -Djava.security.policy="file:$CONF_DIR/node.policy" \
+               $JAVA_OPTS -jar $OSGI_FRAMEWORK \
+               -configuration "$CONF_RW" \
+               -data "$DATA_DIR"
+}
+
+reload() {
+       echo Not yet implemented
+}
+
+stop() {
+       if [ -f $PID_FILE ];then
+               PID=`cat $PID_FILE`
+               kill -0 $PID &> /dev/null
+               PID_EXISTS=$?
+               if [ $PID_EXISTS -ne 0 ]; then
+                       echo Dead $APP process with pid $PID, removing $PID_FILE
+                       rm -f $PID_FILE
+                       RETVAL=1
+                       return $RETVAL
+               fi
+       else
+               echo $APP is not running
+               RETVAL=1
+               return $RETVAL
+       fi
+       
+       # notifies application by removing the shutdown file
+       rm -f $SHUTDOWN_FILE
+       
+       # wait 10 min for application to shutdown, then kill it
+       TIMEOUT=$((10*60))
+       BEGIN=$(date +%s)
+       while kill -0 $PID &> /dev/null
+       do
+               sleep 1
+               NOW=$(date +%s)
+               DURATION=$(($NOW-$BEGIN))
+               if [ $DURATION -gt $TIMEOUT ]; then
+                       kill -9 $PID
+                       echo Forcibly killed $APP with pid $PID
+                       RETVAL=1
+               fi
+       done
+       
+       # remove pid file
+       rm -f $PID_FILE
+       return $RETVAL
+
+# timeout is only available in EL6
+#      timeout 5m sh << EOF
+#while kill -0 $PID &> /dev/null; do sleep 1; done
+#EOF
+#      TIMEOUT_EXIT=$?
+#      if [ $TIMEOUT_EXIT -eq 124 ];then
+#              kill -9 $PID
+#              RETVAL=1
+#              echo Killed $APP with pid $PID
+#      else
+#              echo Stopped $APP with pid $PID
+#      fi
+#      rm -f $PID_FILE
+#      return $RETVAL
+}
+
+status() {
+       if [ -f $PID_FILE ];then
+               PID=`cat $PID_FILE`
+       else
+               echo $APP is not running
+               return $RETVAL
+       fi
+       kill -0 $PID &> /dev/null
+       PID_EXISTS=$?
+       if [ $PID_EXISTS -eq 0 ]; then
+               echo $APP is running with pid $PID ...
+       else
+               echo No $APP process with pid $PID, removing $PID_FILE
+               rm -f $PID_FILE
+       fi
+       return $RETVAL
+}
+
+# main
+case "$1" in
+  start)
+        start
+        ;;
+  reload)
+        reload
+        ;;
+  stop)
+        stop
+        ;;
+  status)
+       status
+        ;;
+  *)
+        echo $"Usage: $0 {start|stop|status}"
+        exit 1
+esac
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