#!/bin/bash
#
# monitor  Enables the monitor account by setting up the ssh key from the enabled PLC.
#
# Load before nm, vcached, and vservers, vserver-reference
# chkconfig: 3 59 80
# description: Fetch monitor ssh key to enable access to machine via monitor immediately.
#
# Stephen Soltesz <soltesz@cs.princeton.edu>
# Copyright (C) 2008 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

# NOTE: If user already exists, this just exists with status 9.  I think it's
# ok to simply let this command check and error out.
# Parse PLC configuration
if [ -r /etc/planetlab/plc_config ] ; then
    . /etc/planetlab/plc_config
else
    PLC_NAME="PlanetLab"
    PLC_SLICE_PREFIX="pl"
    PLC_BOOT_HOST="boot.planet-lab.org"
fi

USER="${PLC_SLICE_PREFIX}_monitor"
/usr/sbin/useradd -p "" -m $USER &> /dev/null || : 

if [ ! -d /home/$USER/.ssh ] ; then
	mkdir /home/$USER/.ssh
	chmod 700 /home/$USER/.ssh
	chown $USER.$USER /home/$USER/.ssh
fi

URL="http://${PLC_BOOT_HOST}/PlanetLabConf/keys.php?$USER"
curl -s "$URL" > /home/$USER/.ssh/authorized_keys
chown $USER.$USER /home/$USER/.ssh/authorized_keys