Changes between Version 2 and Version 3 of JuergeN/Documentation

Timestamp:

26.08.2011 12:30:01 (13 years ago)

Author:

JuergeN

Comment:

--

JuergeN/Documentation

@@ -7 +7 @@
 }}}
 
+== start stop script ==
+Create a file ''deepamehta'' in ''/etc/init.d'':
+{{{
+#! /bin/sh
+### BEGIN INIT INFO
+# Provides:          skeleton
+# Required-Start:    $remote_fs $syslog
+# Required-Stop:     $remote_fs $syslog
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+# Short-Description: Example initscript
+# Description:       This file should be used to construct scripts to be
+#                    placed in /etc/init.d.
+### END INIT INFO
+
+#echo "deepamehta start-stop-script is disabled!"
+#exit 0
+
+# Author: Juergen Neumann <j.neumann{at}junes{dot}eu>
+#
+# Please remove the "Author" lines above and replace them
+# with your own name if you copy and modify this script.
+
+# Do NOT "set -e"
+
+# PATH should only include /usr/* if it runs after the mountnfs.sh script
+PATH=/sbin:/usr/sbin:/bin:/usr/bin
+DESC="DeepaMehta"
+NAME=deepamehta
+#DAEMON=/usr/sbin/$NAME
+DAEMON=/opt/deepamehta/dm.sh
+EXTRA_ARGS="-c root --background --make-pidfile"
+DAEMON_ARGS=""
+PIDFILE=/var/run/$NAME.pid
+SCRIPTNAME=/etc/init.d/$NAME
+
+# Exit if the package is not installed
+if [ ! -x "$DAEMON" ]; then 
+    echo "$DAEMON not found"
+    exit 0
+fi
+
+# Read configuration variable file if it is present
+[ -r /etc/default/$NAME ] && . /etc/default/$NAME
+
+# Load the VERBOSE setting and other rcS variables
+. /lib/init/vars.sh
+
+# Define LSB log_* functions.
+# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
+. /lib/lsb/init-functions
+
+#
+# Function that starts the daemon/service
+#
+do_start()
+{
+        # Return
+        #   0 if daemon has been started
+        #   1 if daemon was already running
+        #   2 if daemon could not be started
+        start-stop-daemon --start --quiet --pidfile $PIDFILE --startas $DAEMON --test > /dev/null \
+                || return 1
+        start-stop-daemon --start $EXTRA_ARGS --quiet --pidfile $PIDFILE --startas $DAEMON $DAEMON_ARGS \
+                || return 2
+        # Add code here, if necessary, that waits for the process to be ready
+        # to handle requests from services started subsequently which depend
+        # on this one.  As a last resort, sleep for some time.
+}
+
+#
+# Function that stops the daemon/service
+#
+do_stop()
+{
+        # Return
+        #   0 if daemon has been stopped
+        #   1 if daemon was already stopped
+        #   2 if daemon could not be stopped
+        #   other if a failure occurred
+        start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE 
+        RETVAL="$?"
+        [ "$RETVAL" = 2 ] && return 2
+        # Wait for children to finish too if this is a daemon that forks
+        # and if the daemon is only ever run from this initscript.
+        # If the above conditions are not satisfied then add some other code
+        # that waits for the process to drop all resources that could be
+        # needed by services started subsequently.  A last resort is to
+        # sleep for some time.
+        start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --pidfile $PIDFILE
+        # --startas $DAEMON
+        [ "$?" = 2 ] && return 2
+        # Many daemons don't delete their pidfiles when they exit.
+        rm -f $PIDFILE
+        return "$RETVAL"
+}
+
+#
+# Function that sends a SIGHUP to the daemon/service
+#
+do_reload() {
+        #
+        # If the daemon can reload its configuration without
+        # restarting (for example, when it is sent a SIGHUP),
+        # then implement that here.
+        #
+        start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE 
+        return 0
+}
+
+case "$1" in
+  start)
+        [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
+        do_start
+        case "$?" in
+                0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
+                2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
+        esac
+        ;;
+  stop)
+        [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
+        do_stop
+        case "$?" in
+                0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
+                2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
+        esac
+        ;;
+  status)
+       status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
+       ;;
+  #reload|force-reload)
+        #
+        # If do_reload() is not implemented then leave this commented out
+        # and leave 'force-reload' as an alias for 'restart'.
+        #
+        #log_daemon_msg "Reloading $DESC" "$NAME"
+        #do_reload
+        #log_end_msg $?
+        #;;
+  restart|force-reload)
+        #
+        # If the "reload" option is implemented then remove the
+        # 'force-reload' alias
+        #
+        log_daemon_msg "Restarting $DESC" "$NAME"
+        do_stop
+        case "$?" in
+          0|1)
+                do_start
+                case "$?" in
+                        0) log_end_msg 0 ;;
+                        1) log_end_msg 1 ;; # Old process is still running
+                        *) log_end_msg 1 ;; # Failed to start
+                esac
+                ;;
+          *)
+                # Failed to stop
+                log_end_msg 1
+                ;;
+        esac
+        ;;
+  *)
+        #echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2
+        echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
+        exit 3
+        ;;
+esac
+
+:
+
+#EOF
+}}}