Add init script and postinst to create daemon user
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/etc/init.d/gstatsd
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/etc/default/gstatsd
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# Flush buffers every 10 seconds
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FLUSH=10
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# Percent threshold
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PERCENT_THRESHOLD=90
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# Default Graphite receiver
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SINK=":2003"
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# Daemon arguments
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# DAEMON_ARGS=${DAEMON_ARGS:-"-f $FLUSH -s $SINK -p $PERCENT_THRESHOLD"}
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#!/bin/sh
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### BEGIN INIT INFO
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# Provides: gstatsd
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# Required-Start: $network $local_fs
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# Required-Stop:
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: StatsD daemon using gevent
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### END INIT INFO
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# Author: Benjamin Dauvergne <bdauvergne@entrouvert.com>
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PATH=/sbin:/usr/sbin:/bin:/usr/bin
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DESC=GStatsD
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NAME=gstatsd
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DAEMON=/usr/bin/gstatsd
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RUN_DIR=/var/run/$NAME
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PIDFILE=$RUN_DIR/$NAME.pid
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LOG_DIR=/var/log/$NAME
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SCRIPTNAME=/etc/init.d/$NAME
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MANAGE_SCRIPT=/usr/lib/$NAME/manage.py
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FLUSH=10
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PERCENT_THRESHOLD=90
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USER=$NAME
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GROUP=$NAME
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# Exit if the package is not installed
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[ -x $DAEMON ] || exit 0
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# Read configuration variable file if it is present
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[ -r /etc/default/$NAME ] && . /etc/default/$NAME
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# Load the VERBOSE setting and other rcS variables
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. /lib/init/vars.sh
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# Define LSB log_* functions.
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# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
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. /lib/lsb/init-functions
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# Verify that a sink has been defined
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[ -z "$SINK" ] && log_warning_msg "SINK is not defined in /etc/default/$NAME" && exit 0
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# Build daemon arguments
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DAEMON_ARGS=${DAEMON_ARGS:-"-f $FLUSH -s $SINK -p $PERCENT_THRESHOLD"}
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# Create /run directory
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if [ ! -d $RUN_DIR ]; then
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install -d -m 755 -o $USER -g $GROUP $RUN_DIR
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fi
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#
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# Function that starts the daemon/service
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#
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do_start()
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{
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# Return
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# 0 if daemon has been started
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# 1 if daemon was already running
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# 2 if daemon could not be started
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start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \
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|| return 1
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start-stop-daemon --start --quiet --pidfile $PIDFILE --background --make-pidfile --chuid $USER:$GROUP --exec $DAEMON -- \
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$DAEMON_ARGS \
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|| return 2
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}
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#
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# Function that stops the daemon/service
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#
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do_stop()
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{
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# Return
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# 0 if daemon has been stopped
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# 1 if daemon was already stopped
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# 2 if daemon could not be stopped
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# other if a failure occurred
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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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# Wait for children to finish too if this is a daemon that forks
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# and if the daemon is only ever run from this initscript.
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# If the above conditions are not satisfied then add some other code
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# that waits for the process to drop all resources that could be
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# needed by services started subsequently. A last resort is to
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# sleep for some time.
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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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# Many daemons don't delete their pidfiles when they exit.
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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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start)
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log_daemon_msg "Starting $DESC " "$NAME"
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do_start
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case "$?" in
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0|1) log_end_msg 0 ;;
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2) log_end_msg 1 ;;
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esac
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;;
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stop)
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log_daemon_msg "Stopping $DESC" "$NAME"
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do_stop
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case "$?" in
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0|1) log_end_msg 0 ;;
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2) log_end_msg 1 ;;
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esac
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;;
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status)
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status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
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;;
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restart|force-reload)
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#
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# If the "reload" option is implemented then remove the
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# 'force-reload' alias
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#
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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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;;
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*)
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echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
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exit 3
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;;
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esac
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@ -0,0 +1 @@
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debian/etc/default/gstatsd /etc/default
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@ -0,0 +1,27 @@
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#! /bin/sh
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set -e
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case "$1" in
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configure)
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if ! getent passwd gstatsd >/dev/null; then
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adduser --disabled-password --quiet --system \
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--no-create-home --home / \
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--gecos "gStatsD software user" --group gstatsd
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fi
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;;
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reconfigure)
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;;
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abort-upgrade|abort-remove|abort-deconfigure)
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;;
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*)
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echo "postinst called with unknown argument \`$1'" >&2
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exit 1
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;;
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esac
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#DEBHELPER#
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exit 0
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