110 lines
2.5 KiB
Plaintext
110 lines
2.5 KiB
Plaintext
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#! /bin/sh
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### BEGIN INIT INFO
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# Provides: hv-vss-daemon
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# Required-Start: $remote_fs $syslog
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# Required-Stop: $remote_fs $syslog
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: Hyper-V volume shadow copy service (VSS) daemon
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### END INIT INFO
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PATH=/sbin:/usr/sbin:/bin:/usr/bin
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DESC="Hyper-V volume shadow copy service (VSS) daemon"
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NAME=hv_vss_daemon
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DAEMON=/usr/sbin/$NAME
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PIDFILE=/run/$NAME.pid
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SCRIPTNAME=/etc/init.d/hv-vss-daemon
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# Exit if the package is not installed
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[ -x "$DAEMON" ] || exit 0
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# Exit if the kernel device does not exist
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[ -e "/dev/vmbus/hv_vss" ] || exit 0
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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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. /lib/lsb/init-functions
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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 --background --make-pidfile -- -n \
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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 $NAME
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[ "$?" = 2 ] && return 2
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start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
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RETVAL=$?
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[ "$RETVAL" = 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 "$1" in
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start)
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[ "$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) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
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esac
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;;
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status)
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status_of_proc -p "$PIDFILE" "$DAEMON" "$NAME"
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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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;;
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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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:
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