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longpanda
245
VBLADE/vblade-master/contrib/persistence/vblade.init.in
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245
VBLADE/vblade-master/contrib/persistence/vblade.init.in
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#!/bin/sh
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[% IF lsb -%]
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### BEGIN INIT INFO
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# Provides: vblade
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# Required-Start: $remote_fs $syslog $network
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# Required-Stop: $remote_fs $syslog $network
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: vblade exports
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# Description: Manage all vlbade exports defined in
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# /etc/vblade.conf.d/
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### END INIT INFO
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[% END -%]
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PATH=/sbin:/usr/sbin:/bin:/usr/bin
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DESC="vblade export"
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NAME=vblade
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VBLADE="/usr/sbin/$NAME"
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[% IF control == 'ssd' -%]
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[% PERL -%]die ('control=ssd cannot be used as long as vblade as no pidfile support');[% END -%]
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[% ELSIF control == 'daemon' -%]
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DAEMON=/usr/bin/daemon
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[% END -%]
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IONICE=/usr/bin/ionice
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PIDDIR="/var/run/vblade/"
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[ -x "$VBLADE" ] || exit 0
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[% IF control == 'daemon' -%]
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[ -x "$DAEMON" ] || exit 0
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[% END -%]
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mkdir -p "$PIDDIR"
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[% IF lsb -%]
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# Load the VERBOSE setting and other rcS variables
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. /lib/init/vars.sh
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# Define LSB functions
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. /lib/lsb/init-functions
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[% ELSE -%]
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# Emulation of LSB functions
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VERBOSE=1
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log_daemon_msg () {
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printf '%s ' "$@"
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}
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log_end_msg () {
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local CODE="$1"
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if [ "$CODE" -eq 0 ] ; then
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echo '.'
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else
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echo 'failed!'
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fi
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}
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[% END -%]
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# Start a vblade instance
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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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do_start () {
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local INSTANCE="$1"
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local CONFIG="$2"
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sh -n "$CONFIG" 2>/dev/null || return 2
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shelf=
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slot=
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filename=
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netif=
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options=
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ionice=
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. "$CONFIG"
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[ "$netif" ] || return 2
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[ "$shelf" ] || return 2
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[ "$slot" ] || return 2
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[ "$filename" ] || return 2
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if [ "$ionice" ] ; then
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if [ -x "$IONICE" ] ; then
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ionice="$IONICE $ionice"
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else
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ionice=
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fi
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fi
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[% IF control == 'ssd' -%]
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local PIDFILE="$PIDDIR/$INSTANCE.pid"
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start-stop-daemon --start --quiet \
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--pidfile "$PIDFILE" --exec "$VBLADE" --test > /dev/null \
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|| return 1
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start-stop-daemon --start --quiet \
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--pidfile "$PIDFILE" \
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--exec $ionice "$VBLADE" -- \
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$shelf $slot $netif $filename $options \
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|| return 2
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[% ELSIF control == 'daemon' -%]
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"$DAEMON" \
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--running \
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--name "$INSTANCE" \
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--pidfiles "$PIDDIR" \
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&& return 1
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$ionice "$DAEMON" \
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--respawn \
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--name "$INSTANCE" \
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--pidfiles "$PIDDIR" \
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--output daemon.notice \
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--stdout daemon.notice \
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--stderr daemon.err -- \
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$VBLADE $options $shelf $slot $netif $filename || return 2
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[% END -%]
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}
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# Stop a vblade instance
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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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do_stop () {
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local INSTANCE="$1"
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[% IF control == 'ssd' -%]
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local PIDFILE="$PIDDIR/$INSTANCE.pid"
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start-stop-daemon --stop --quiet \
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--retry=TERM/30/KILL/5 --pidfile "$PIDFILE" --name "$NAME"
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RETVAL="$?"
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[ "$RETVAL" = 2 ] && return 2
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# Many daemons don't delete their pidfiles when they exit.
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rm -f "$PIDFILE"
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return "$RETVAL"
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[% ELSIF control == 'daemon' -%]
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"$DAEMON" \
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--running \
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--name "$INSTANCE" \
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--pidfiles "$PIDDIR" || return 1
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"$DAEMON" \
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--stop \
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--name "$INSTANCE" \
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--pidfiles "$PIDDIR" \
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--stop || return 2
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# Wait until the process is gone
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for i in $(seq 1 10) ; do
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"$DAEMON" \
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--running \
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--name "$INSTANCE" \
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--pidfiles "$PIDDIR" || return 0
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done
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return 2
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[% END -%]
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}
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EXIT=0
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do_action () {
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local CONFIG="$1"
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INSTANCE="$(basename "${CONFIG%%.conf}")"
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case "$ACTION" in
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start)
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[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$INSTANCE"
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do_start "$INSTANCE" "$CONFIG"
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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 $DESC" "$INSTANCE"
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do_stop "$INSTANCE"
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case "$?" 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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[% IF lsb -%]
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status_of_proc -p "$PIDDIR/$INSTANCE.pid" "$VBLADE" "vblade instance $INSTANCE" || EXIT=$?
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[% ELSE -%]
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if "$DAEMON" \
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--running \
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--name "$INSTANCE" \
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--pidfiles "$PIDDIR"
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then
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echo "$DESC instance $INSTANCE is running"
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else
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echo "$DESC instance $INSTANCE is not running"
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EXIT=1
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fi
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[% END -%]
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;;
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restart|force-reload)
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log_daemon_msg "Restarting $DESC" "$INSTANCE"
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do_stop "$INSTANCE"
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case "$?" in
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0|1)
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do_start "$INSTANCE" "$CONFIG"
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case "$?" in
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0) log_end_msg 0 ;;
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*)
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# Old process is still running or
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# failed to start
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log_end_msg 1 ;;
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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/vblade {start|stop|status|restart|force-reload} [<export> ...]" >&2
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exit 3
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;;
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esac
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}
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ACTION="$1"
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shift
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if [ "$1" ] ; then
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while [ "$1" ] ; do
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CONFIG="/etc/vblade.conf.d/$1.conf"
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if [ -f "$CONFIG" ] ; then
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do_action "$CONFIG"
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fi
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shift
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done
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else
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for CONFIG in /etc/vblade.conf.d/*.conf ; do
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if [ -f "$CONFIG" ] ; then
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do_action "$CONFIG"
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fi
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done
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fi
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exit $EXIT
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