#!/bin/bash
#
# vserver-reference	Updates VServer reference
#
# Load before pl_conf, pl_nm, vcached, and vservers
# chkconfig: 3 60 80
# description: Builds VServer reference image
#
# Mark Huang <mlhuang@cs.princeton.edu>
# Copyright (C) 2004 The Trustees of Princeton University
#
# $Id$
#

case "$1" in
    start|restart|reload)
	;;
    stop|status)
	exit 0
	;;
    *)
	echo $"Usage: $0 {start|stop|restart|status}"
	exit 1
	;;
esac

# Source function library.
. /etc/init.d/functions

# VServer definitions
. /usr/lib/util-vserver/util-vserver-vars

# Save stdout and stderr
exec 3>&1
exec 4>&2

# Redirect stdout and stderr to a log file
exec 2>&1
exec &>/var/log/vserver-reference.log

echo -n $"Updating VServer reference: " >&3 2>&4

shopt -s nullglob

VROOTS="$__DEFAULT_VSERVERDIR/vserver-reference $__DEFAULT_VSERVERDIR/.vcache/*"

# Make sure the barrier bit is set
chmod 0000 /vservers
setattr --barrier /vservers

# Copy configuration files from host to slices
for file in /etc/hosts /etc/resolv.conf /etc/yum.conf /etc/planetlab/node_id \
            /etc/planetlab/plc_config* /etc/planetlab/php/* ; do
    if [ -r $file ] ; then
	for vroot in $VROOTS ; do
	    if [ -f $vroot/etc/AUTO_UPDATE_NET_FILES ] ; then
		install -D -m 644 $file $vroot/$file
	    fi
	done
    fi
done

# Parse PLC configuration
if [ -r /etc/planetlab/plc_config ] ; then
    . /etc/planetlab/plc_config
else
    PLC_NAME="PlanetLab"
    PLC_BOOT_HOST="boot.planet-lab.org"
    PLC_BOOT_SSL_CRT="/etc/planetlab/boot_ssl.crt"
fi

CACERT=/mnt/cdrom/bootme/cacert/$PLC_BOOT_HOST/cacert.pem
if [ -r $CACERT ] ; then
    for vroot in $VROOTS ; do
	# Install boot server certificate
	install -D -m 644 $CACERT $vroot/$PLC_BOOT_SSL_CRT

	# Also install in /mnt/cdrom/bootme for backward compatibility
	install -D -m 644 $CACERT $vroot/mnt/cdrom/bootme/cacert/$PLC_BOOT_HOST/cacert.pem
	echo $PLC_BOOT_HOST > $vroot/mnt/cdrom/bootme/BOOTSERVER
    done
fi

success >&3 2>&4
echo >&3 2>&4
exit 0