#!/bin/bash
### BEGIN INIT INFO
# Provides:          invirt-console-server
# Required-Start:    $local_fs $remote_fs
# Required-Stop:     $local_fs $remote_fs
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Invirt console proxy server
# Description:       
### END INIT INFO

# Author: Invirt project <invirt@mit.edu>

# Do NOT "set -e"

# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="the Invirt console server"
NAME=invirt-console-server
DAEMON=/usr/bin/invirt-consolefs
MOUNTPOINT="/consolefs"
DAEMON_ARGS="-f $MOUNTPOINT"
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME
GEN_FILES=(/etc/conserver/invirt-hosts.cf
    /etc/remctl/acl/invirt-console-server
    /etc/issue.net.no_tkt
    /etc/nss-pgsql.conf)

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

. /lib/init/gen-files.sh
. /lib/init/std-init.sh

#
# 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
    
    # Try to make sure fuse is setup
    [ -e /dev/fuse ] || modprobe fuse || return 2
    
    if cat /proc/mounts | grep " $MOUNTPOINT " >/dev/null 2>&1; then
        return 1
    fi
    
    gen_files
    
    daemon -r -O daemon.info -E daemon.err -n $NAME -- $DAEMON $DAEMON_ARGS || return 2
}

#
# 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
    
    if ! cat /proc/mounts | grep " $MOUNTPOINT " >/dev/null 2>&1; then
        return 1
    fi
    
    daemon --stop -n $NAME
    RETVAL="$?"
    [ "$RETVAL" = 2 ] && return 2
    # Many daemons don't delete their pidfiles when they exit.
    rm -f $PIDFILE
}

do_reload()
{
    gen_config
    invoke-rc.d conserver-server reload
}

std_init "$1"
