crowbar/crowbar-ha

#! /bin/sh
#
### BEGIN INIT INFO
# Provides:          corosync
# Required-Start:    $network $remote_fs $syslog
# Required-Stop:     $network $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: corosync cluster framework
### END INIT INFO

# Author: Fabio M. Di Nitto <fabbione@ubuntu.com>

# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/usr/sbin:/usr/bin:/sbin:/bin
DESC="corosync daemon"
NAME=corosync
DAEMON=/usr/sbin/$NAME
DAEMON_ARGS=""
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME
PIDFILE=/var/run/corosync.pid
RARUNDIR=/var/run/resource-agents

# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0

# Read configuration variable file if it is present
[ -r /etc/default/corosync ] && . /etc/default/corosync

# Make sure the Resource Agents run dir exists. Otherwise create it.
[ -d "$RARUNDIR" ] || mkdir -p $RARUNDIR

if [ "$START" != "yes" ]; then
        exit 0
fi

if [ "$OPENAIS_SERVICES" = "yes" ]; then
 export COROSYNC_DEFAULT_CONFIG_IFACE
 : ${COROSYNC_DEFAULT_CONFIG_IFACE="openaisserviceenableexperimental:corosync_parser"}
fi

# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
. /lib/lsb/init-functions

#
# Function that starts the daemon/service
#
do_start()
{
        # Return
        #   0 if daemon has been started
        #   1 if daemon was already running
        #   2 if daemon could not be started
        start-stop-daemon --start --exec $DAEMON --test > /dev/null \
                || return 1
        start-stop-daemon --start --exec $DAEMON -- $DAEMON_ARGS \
                || return 2
        # Add code here, if necessary, that waits for the process to be ready
        # to handle requests from services started subsequently which depend
        # on this one.  As a last resort, sleep for some time.
        pidof corosync > $PIDFILE
}

#
# Function that stops the daemon/service
#
do_stop()
{
        # Return
        #   0 if daemon has been stopped
        #   1 if daemon was already stopped
        #   2 if daemon could not be stopped
        #   other if a failure occurred
        start-stop-daemon --stop --retry forever/QUIT/1 --pidfile $PIDFILE
        RETVAL="$?"
        [ "$RETVAL" = 2 ] && return 2
        # Many daemons don't delete their pidfiles when they exit.
        rm -f $PIDFILE
        return "$RETVAL"
}

case "$1" in
  start)
        log_daemon_msg "Starting $DESC" "$NAME"
        do_start
        case "$?" in
                0|1) log_end_msg 0 ;;
                2) log_end_msg 1 ;;
        esac
        ;;
  stop)
        log_daemon_msg "Stopping $DESC" "$NAME"
        do_stop
        case "$?" in
                0|1) log_end_msg 0 ;;
                2) log_end_msg 1 ;;
        esac
        ;;
  restart|force-reload)
        log_daemon_msg "Restarting $DESC" "$NAME"
        do_stop
        case "$?" in
          0|1)
                do_start
                case "$?" in
                        0) log_end_msg 0 ;;
                        1) log_end_msg 1 ;; # Old process is still running
                        *) log_end_msg 1 ;; # Failed to start
                esac
                ;;
          *)
                # Failed to stop
                log_end_msg 1
                ;;
        esac
        ;;
  status|monitor)
        status_of_proc -p $PIDFILE $DAEMON $NAME && exit 0 || exit $?
        ;;
  *)
        #echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2
        echo "Usage: $SCRIPTNAME {start|stop|restart|force-reload}" >&2
        exit 3
        ;;
esac