mirror of https://github.com/Icinga/icinga2.git
234 lines
6.2 KiB
Bash
234 lines
6.2 KiB
Bash
#! /bin/sh
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### BEGIN INIT INFO
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# Provides: icinga2
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# Required-Start: $remote_fs $syslog
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# Required-Stop: $remote_fs $syslog
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: icinga2 host/service/network monitoring and management system
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# Description: icinga2 is a monitoring and management system for hosts, services and networks.
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### END INIT INFO
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# Author: Alexander Wirt <formorer@debian.org>
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# Markus Frosch <markus@lazyfrosch.de>
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# PATH should only include /usr/* if it runs after the mountnfs.sh script
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PATH=/sbin:/usr/sbin:/bin:/usr/bin
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DESC="icinga2 monitoring daemon"
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NAME=icinga2
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DAEMON=/usr/sbin/icinga2
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DAEMON_CONFIG="/etc/icinga2/icinga2.conf"
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DAEMON_USER=nagios
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DAEMON_GROUP=nagios
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DAEMON_CMDGROUP=www-data
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DAEMON_ARGS="-e /var/log/icinga2/icinga2.err"
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PIDFILE=/var/run/icinga2/$NAME.pid
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SCRIPTNAME=/etc/init.d/$NAME
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# Exit if the package is not installed
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[ -x "$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 (>= 3.2-14) to ensure that this file is present
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# and status_of_proc is working.
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. /lib/lsb/init-functions
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# check run directory
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check_run () {
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test -d '/var/run/icinga2' || mkdir /var/run/icinga2
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test -d '/var/run/icinga2/cmd' || mkdir /var/run/icinga2/cmd
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chown "$DAEMON_USER":"$DAEMON_GROUP" /var/run/icinga2
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chmod 0755 /var/run/icinga2
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chown "$DAEMON_USER":"$DAEMON_CMDGROUP" /var/run/icinga2/cmd
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chmod 2710 /var/run/icinga2/cmd
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}
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check_config () {
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$DAEMON --validate -u "$DAEMON_USER" -g "$DAEMON_GROUP" -c "$DAEMON_CONFIG"
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}
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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 --exec $DAEMON -- \
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-c "$DAEMON_CONFIG" -u "$DAEMON_USER" -g "$DAEMON_GROUP" -d $DAEMON_ARGS \
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|| return 2
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# Add code here, if necessary, that waits for the process to be ready
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# to handle requests from services started subsequently which depend
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# on this one. As a last resort, sleep for some time.
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}
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#
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# Function that starts the daemon/service in foreground for debugging
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#
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do_foreground()
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{
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start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test \
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|| return 1
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start-stop-daemon --start --pidfile $PIDFILE --exec $DAEMON -- \
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-c "$DAEMON_CONFIG" -u "$DAEMON_USER" -g "$DAEMON_GROUP" $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 --name $NAME
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RETVAL="$?"
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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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#
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# Function that sends a SIGHUP to the daemon/service
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#
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do_reload() {
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#
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# If the daemon can reload its configuration without
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# restarting (for example, when it is sent a SIGHUP),
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# then implement that here.
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#
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start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME
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return 0
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}
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do_check_config () {
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DOEXITONOK="$1"
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log_begin_msg "checking Icinga2 configuration"
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if ! check_config >/dev/null 2>&1; then
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echo
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check_config
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log_failure_msg "checking Icinga2 configuration"
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exit 1
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else
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log_end_msg 0
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[ -n "$DOEXITONOK" ] && exit 0
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fi
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}
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check_run
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case "$1" in
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start)
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do_check_config
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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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foreground)
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do_check_config
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log_action_msg "Starting $DESC in foreground"
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status=0
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trap 'status=2;' INT # handle intr here
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for i in 1 2; do
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do_foreground || status="$?"
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case "$status" in
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0)
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log_success_msg "$NAME ended graceful"
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break
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;;
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1)
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if [ "$i" -eq 1 ]; then
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log_warning_msg "$NAME already running!"
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log_begin_msg "Do you want to stop $NAME before going foreground? [y/N] "
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read -r question
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if [ "$question" = "y" ] || [ "$question" = "yes" ]; then
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do_stop
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continue
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fi
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fi
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log_failure_msg "$NAME already running! Please stop before starting in foreground!"
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break
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;;
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2)
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log_failure_msg "$NAME ended"
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break
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;;
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esac
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done
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exit $status
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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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reload|force-reload)
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do_check_config
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log_daemon_msg "Reloading $DESC" "$NAME"
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do_reload
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log_end_msg $?
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;;
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restart)
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do_check_config
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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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checkconfig)
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do_check_config 1
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;;
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*)
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echo "Usage: $SCRIPTNAME {start|stop|status|reload|force-reload|restart|checkconfig|foreground}" >&2
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exit 3
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;;
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esac
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# vi: ts=2 sw=2 expandtab :
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:
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