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125 lines
2.6 KiB
Markdown
125 lines
2.6 KiB
Markdown
---
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title: event.d/init.d script
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layout: default
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created: 2008-07-15 23:49:48 +0200
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updated: 2008-07-15 23:49:48 +0200
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toc: false
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tags:
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- know-how
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- software
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- linux
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- system
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- initd
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- boot
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---
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event.d script
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==============
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This is an event.d-script for the new Ubuntu [Upstart](http://upstart.ubuntu.com/).
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The event gets started/respawned on runlevels 2-5. If you change to level 0, 1 or 6, the process gets stopped/killed.
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Manual start/stop works through the same commands `start` and `stop`. With `status` you can check the status.
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~~~
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# manages Solr search engine
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start on runlevel [2345]
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stop on runlevel [016]
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kill timeout 30
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respawn
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script
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cd /home/sysadmin/extension/ezfind/java
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exec /usr/bin/java -jar start.jar
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end script
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~~~
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init.d script
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=============
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This does the same using the traditional init.d-way.
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After creation of the script in `/etc/init.d` you also have to make the symlinks in the `rc.2`..`rc.5`-directories.
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{% highlight bash %}
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#!/bin/sh
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### BEGIN INIT INFO
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# Provides: solr
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# Required-Start:
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# Required-Stop:
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: start Solr daemon
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### END INIT INFO
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# Defaults
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RUN_MODE="daemons"
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JAVA=/usr/bin/java
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DAEMONDIR=/home/sysadmin/extension/ezfind/java
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DAEMON=start.jar
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PIDDIR=/var/run
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SOLRPID=$PIDDIR/solr.pid
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# See if the daemon is there
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test -x $JAVA -a -x $DAEMONDIR/$DAEMON || exit 0
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. /lib/lsb/init-functions
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case "$1" in
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start)
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log_daemon_msg "Starting Solr daemon"
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log_progress_msg "solr"
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# Make sure we have our PIDDIR, even if it's on a tmpfs
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install -o root -g root -m 755 -d $PIDDIR
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if ! start-stop-daemon --start --chdir $DAEMONDIR --quiet --pidfile $SOLRPID --make-pidfile --background --exec $JAVA -- -jar $DAEMON; then
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log_end_msg 1
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exit 1
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fi
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log_end_msg 0
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;;
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stop)
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log_daemon_msg "Stopping Solr daemon"
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log_progress_msg "solr"
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start-stop-daemon --stop --quiet --pidfile $SOLRPID
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# Wait a little and remove stale PID file
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sleep 1
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if [ -f $SOLRPID ] && ! ps h `cat $SOLRPID` > /dev/null
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then
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# Stale PID file (solr was succesfully stopped),
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# remove it
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rm -f $SOLRPID
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fi
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log_end_msg 0
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;;
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restart|force-reload)
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$0 stop
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sleep 1
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$0 start
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;;
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status)
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pidofproc -p $SOLRPID $JAVA >/dev/null
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status=$?
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if [ $status -eq 0 ]; then
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log_success_msg "SOLR is running"
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else
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log_failure_msg "SOLR is not running"
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fi
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exit $status
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;;
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*)
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echo "Usage: /etc/init.d/solr {start|stop|restart|force-reload|status}"
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exit 1
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;;
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esac
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exit 0
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{% endhighlight %}
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