root / debian / snf-cyclades-gtools.snf-ganeti-eventd.init @ 23b635c4
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#!/bin/sh |
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|
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### BEGIN INIT INFO |
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# Provides: snf-ganeti-eventd |
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# Required-Start: $remote_fs $syslog |
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# Required-Stop: $remote_fs $syslog |
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# Default-Start: 2 3 4 5 |
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# Default-Stop: 0 1 6 |
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# Short-Description: Synnefo Ganeti eventd daemon |
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# Description: Synnefo Ganeti eventd daemon |
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### END INIT INFO |
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|
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# Do NOT "set -e", |
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# Per Debian Policy Manual, section: System run levels and init.d scripts |
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# set -e |
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|
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# /etc/init.d/snf-ganeti-eventd: start and stop the Synnefo Ganeti Event Daemon |
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|
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DAEMON=/usr/sbin/snf-ganeti-eventd |
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NAME="snf-ganeti-eventd" |
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DESCRIPTION="snf-ganeti-eventd daemon" |
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DAEMON_OPTS='' |
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DAEMON_DEFAULTS_FILE=/etc/default/$NAME |
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RUNDIR=/var/run/ |
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PIDFILE=$RUNDIR/$NAME.pid |
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SCRIPTNAME=/etc/init.d/$NAME |
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SNF_EVENTD_ENABLE=true |
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SNF_USER=root |
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|
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# Exit if the package is not installed |
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[ -x "$DAEMON" ] || exit 0 |
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|
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# Read defaults file if it is present |
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[ -r "$DAEMON_DEFAULTS_FILE" ] && . $DAEMON_DEFAULTS_FILE |
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|
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# Load LSB functions |
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. /lib/lsb/init-functions |
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|
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export PATH="${PATH:+$PATH:}/usr/sbin:/sbin" |
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|
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check_config() |
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{ |
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# Check Configuration file |
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if [ -r $DAEMON_DEFAULTS_FILE ]; then |
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# Load extra daemon options |
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DAEMON_OPTS=$SNF_EVENTD_OPTS" --pid-file $PIDFILE" |
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# Check the 'ENABLE" value |
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case "x$SNF_EVENTD_ENABLE" in |
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xtrue|xfalse) ;; |
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*) |
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log_failure_msg "Value of SNF_EVENTD_ENABLE in $DAEMON_DEFAULTS_FILE must be either 'true' or 'false';" |
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log_failure_msg "not starting $NAME daemon." |
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exit 1 |
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;; |
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esac |
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else |
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log_warning_msg "$NAME default file $DAEMON_DEFAULTS_FILE is missing" |
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fi |
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} |
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|
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check_ganeti_master() { |
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MASTER=`/usr/sbin/gnt-cluster getmaster` |
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HOST=`/bin/hostname -f` |
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|
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if [ "x$MASTER" != x$HOST ]; then |
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log_warning_msg "snf-ganeti-eventd should run on the ganeti master only, aborting start (use 'force-start' if you know what you are doing)" |
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log_end_msg 0 |
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exit 0 |
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fi |
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} |
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|
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do_start() { |
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# Ensure the directory containing the pidfile exists |
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# and has the right permissions |
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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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# 3 if daemon is not configured to start |
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force_start=$1 |
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check_config |
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[ $force_start -eq 0 ] && check_ganeti_master |
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if "$SNF_EVENTD_ENABLE"; then |
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if [ -s $PIDFILE ] && kill -0 $(cat $PIDFILE) >/dev/null 2>&1; then |
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return 1 |
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else |
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SNF_USER=${SNF_USER:-root} |
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start-stop-daemon --start --chuid $SNF_USER --exec $DAEMON --pidfile $PIDFILE -- $DAEMON_OPTS || return 2 |
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sleep 1 |
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if [ ! -s $PIDFILE ] || ! kill -0 $(cat $PIDFILE) >/dev/null 2>&1; then |
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log_warning_msg "$NAME daemon failed to start" |
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return 2 |
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fi |
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fi |
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else |
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log_warning_msg "$NAME not enabled in $DAEMON_DEFAULTS_FILE, not starting." |
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return 3 |
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fi |
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} |
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|
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|
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do_stop() { |
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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 deamon could not be stopped |
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# other if failure occured |
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start-stop-daemon --stop --quiet --pidfile $PIDFILE --retry=TERM/30/KILL/5 |
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return $? |
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} |
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|
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|
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case "$1" in |
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start) |
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log_daemon_msg "Starting $DESCRIPTION" "$NAME" |
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do_start 0 |
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case "$?" in |
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0|3) log_end_msg 0 ;; |
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1) log_progress_msg "Apparently already running" && 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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force-start) |
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log_daemon_msg "Starting $DESCRIPTION" "$NAME" |
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do_start 1 |
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case "$?" in |
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0|3) log_end_msg 0 ;; |
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1) log_progress_msg "Apparently already running" && 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 "Stoping $DESCRIPTION" "$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 -p $PIDFILE $DAEMON $NAME && exit 0 || exit $? |
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;; |
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restart|force-reload) |
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log_daemon_msg "Restarting $DESCRIPTION" "$NAME" |
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do_stop |
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case "$?" in |
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0|1) |
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do_start 0 |
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case "$?" in |
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0) log_end_msg 0 ;; |
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*) log_end_msg 1 ;; # Old process stil running or 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: /etc/init.d/snf-ganeti-eventd {start|stop|status|restart|force-reload}" >&2 |
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exit 3 |
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;; |
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esac |