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- Committer: Michael Foley
- Date: 2015-05-22 03:31:40 UTC
- Revision ID: michael.foley@canonical.com-20150522033140-tno5otdn046lhytc
[foli] New version of logstash-forwarder deb and new init script to fix starting twice
- files added:
- files/logstash-forwarder_0.4.0_amd64.deb
- files removed:
- files/logstash-forwarder_0.3.1.1_amd64.deb
- files modified:
- config.yaml
added
removed
files/init.sh
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#! /bin/sh
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#!/bin/sh
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# Init script for logstash-forwarder
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# Maintained by
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# Generated by pleaserun.
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# Implemented based on LSB Core 3.1:
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# * Sections: 20.2, 20.3
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#
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### BEGIN INIT INFO
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# Provides: skeleton
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# Provides: logstash-forwarder
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# Required-Start: $remote_fs $syslog
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# Required-Stop: $remote_fs $syslog
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: Example initscript
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# Description: This file should be used to construct scripts to be
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# placed in /etc/init.d.
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# Short-Description:
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# Description: no description given
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### END INIT INFO
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# Author: Jordan Sissel <jordan.sissel@dreamhost.com>
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# PATH should only include /usr/* if it runs after the mountnfs.sh script
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PATH=/sbin:/usr/sbin:/bin:/usr/bin
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DESC="log shipper"
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NAME=logstash-forwarder
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DAEMON=/srv/logstash-forwarder/bin/logstash-forwarder
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DAEMON_ARGS="-config /etc/logstash-forwarder -spool-size 100"
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PIDFILE=/var/run/$NAME.pid
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SCRIPTNAME=/etc/init.d/$NAME
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LOGDIR=/var/log/logstash-forwarder
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[ -r /etc/default/$NAME ] && . /etc/default/$NAME
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. /lib/init/vars.sh
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. /lib/lsb/init-functions
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if [ ! -d ${LOGDIR} ]; then
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mkdir -p ${LOGDIR}
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fi
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COMMAND="cd /var/run; exec $DAEMON $DAEMON_ARGS >> ${LOGDIR}/logstash-forwarder.log 2>&1"
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do_start() {
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# Skip if it's already running
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start-stop-daemon --start --quiet --pidfile $PIDFILE --exec /bin/sh --test > /dev/null || return 1
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cd /var/run
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# Actually start it now.
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start-stop-daemon --start --quiet --make-pidfile --background \
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--pidfile $PIDFILE --exec /bin/sh -- -c "$COMMAND" || return 2
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}
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do_stop()
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{
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start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE
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RETVAL="$?"
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[ "$RETVAL" = 2 ] && return 2
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start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
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[ "$?" = 2 ] && return 2
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rm -f $PIDFILE
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return "$RETVAL"
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}
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case "$1" in
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export PATH
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name=logstash-forwarder
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program=/srv/logstash-forwarder/bin/logstash-forwarder
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pidfile="/var/run/$name.pid"
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[ -r /etc/default/$name ] && . /etc/default/$name
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[ -r /etc/sysconfig/$name ] && . /etc/sysconfig/$name
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args=$args
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trace() {
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logger -t "/etc/init.d/logstash-forwarder" "$@"
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}
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emit() {
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trace "$@"
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echo "$@"
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}
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start() {
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# Ensure the log directory is setup correctly.
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[ ! -d "/var/log/logstash-forwarder/" ] && mkdir "/var/log/logstash-forwarder/"
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chown "$user":"$group" "/var/log/logstash-forwarder/"
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chmod 755 "/var/log/logstash-forwarder/"
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# Setup any environmental stuff beforehand
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# Run the program!
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chroot --userspec "$user":"$group" "$chroot" sh -c "
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cd \"$chdir\"
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exec \"$program\" $args
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" >> /var/log/logstash-forwarder/logstash-forwarder.stdout 2>> /var/log/logstash-forwarder/logstash-forwarder.stderr &
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# Generate the pidfile from here. If we instead made the forked process
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# generate it there will be a race condition between the pidfile writing
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# and a process possibly asking for status.
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echo $! > $pidfile
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emit "$name started"
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return 0
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}
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stop() {
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# Try a few times to kill TERM the program
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if status ; then
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pid=$(cat "$pidfile")
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trace "Killing $name (pid $pid) with SIGTERM"
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kill -TERM $pid
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# Wait for it to exit.
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for i in 1 2 3 4 5 ; do
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trace "Waiting $name (pid $pid) to die..."
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status || break
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sleep 1
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done
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if status ; then
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emit "$name stop failed; still running."
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else
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emit "$name stopped."
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fi
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fi
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}
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status() {
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if [ -f "$pidfile" ] ; then
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pid=$(cat "$pidfile")
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if ps -p $pid > /dev/null 2> /dev/null ; then
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# process by this pid is running.
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# It may not be our pid, but that's what you get with just pidfiles.
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# TODO(sissel): Check if this process seems to be the same as the one we
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# expect. It'd be nice to use flock here, but flock uses fork, not exec,
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# so it makes it quite awkward to use in this case.
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return 0
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else
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return 2 # program is dead but pid file exists
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fi
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else
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return 3 # program is not running
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fi
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}
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force_stop() {
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if status ; then
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stop
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status && kill -KILL $(cat "$pidfile")
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fi
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}
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case "$1" in
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force-start|start|stop|force-stop|restart)
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trace "Attempting '$1' on logstash-forwarder"
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;;
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esac
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case "$1" in
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force-start)
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PRESTART=no
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exec "$0" start
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;;
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start)
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[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
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do_start
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case "$?" in
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0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
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2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
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esac
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;;
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stop)
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[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
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do_stop
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case "$?" in
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0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
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2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
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esac
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;;
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status)
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status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
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;;
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restart|force-reload)
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log_daemon_msg "Restarting $DESC" "$NAME"
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do_stop
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case "$?" in
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0|1)
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do_start
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case "$?" in
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0) log_end_msg 0 ;;
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1) log_end_msg 1 ;; # Old process is still running
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*) log_end_msg 1 ;; # Failed to start
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esac
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;;
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*)
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# Failed to stop
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log_end_msg 1
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;;
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esac
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status
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code=$?
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if [ $code -eq 0 ]; then
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emit "$name is already running"
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exit $code
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else
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start
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exit $?
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fi
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;;
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stop) stop ;;
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force-stop) force_stop ;;
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status)
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status
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code=$?
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if [ $code -eq 0 ] ; then
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emit "$name is running"
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else
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emit "$name is not running"
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fi
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exit $code
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;;
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restart)
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stop && start
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;;
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*)
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echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
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echo "Usage: $SCRIPTNAME {start|force-start|stop|force-start|force-stop|status|restart}" >&2
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exit 3
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;;
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;;
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esac
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:
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exit $?
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