#!/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

VROOT=$__DEFAULT_VSERVERDIR/vserver-reference

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

# Copy configuration files from host to reference image
for file in /etc/hosts /etc/resolv.conf /etc/yum.conf /etc/planetlab/node_id ; do
    if [ -r $file ] ; then
	echo $file | cpio -p -d -u $VROOT 2>/dev/null
    fi
done

# Install and parse Management Authority (MA) configuration
if [ -r /etc/planetlab/primary_ma ] ; then
    . /etc/planetlab/primary_ma
    install -D -m 644 /etc/planetlab/primary_ma $VROOT/etc/planetlab/primary_ma
elif [ -d /mnt/cdrom/bootme/cacert ] ; then
    MA_NAME="PlanetLab Central"
    MA_BOOT_SERVER=$(head -1 /mnt/cdrom/bootme/BOOTSERVER)
    MA_BOOT_SERVER_CACERT=/mnt/cdrom/bootme/cacert/$MA_BOOT_SERVER/cacert.pem
    mkdir -p $VROOT/etc/planetlab
    cat > $VROOT/etc/planetlab/primary_ma <<EOF
MA_NAME="$MA_NAME"
MA_BOOT_SERVER="$MA_BOOT_SERVER"
MA_BOOT_SERVER_CACERT="$MA_BOOT_SERVER_CACERT"
EOF
fi

if [ -r "$MA_BOOT_SERVER_CACERT" ] ; then
    # Install boot server certificate
    install -D -m 644 $MA_BOOT_SERVER_CACERT $VROOT/$MA_BOOT_SERVER_CACERT

    # Also install in /mnt/cdrom/bootme for backward compatibility
    install -D -m 644 $MA_BOOT_SERVER_CACERT $VROOT/mnt/cdrom/bootme/cacert/$MA_BOOT_SERVER/cacert.pem
    echo $MA_BOOT_SERVER > $VROOT/mnt/cdrom/bootme/BOOTSERVER
fi

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