#!/bin/bash
#
# bpcbackup
# Version: __appVersion__
#
# Copyright (C) 2008 by Titanium Mirror, Inc.
# Author: R. Steve McKown <smckown@titaniummirror.com>
#
# A wrapper script for bpcdump, designed to be called from root's crontab
# on the HNs.  Only the HN hosting the BPC VE will do anything.

VEID=1158
export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/usr/sbin:$PATH

# Complain if this script is running on a server not configured with OpenVZ
if [ ! -x /usr/sbin/vzctl ]; then
    echo "Host $(hostname) has bpcbackup installed, but is not an HN" >&2
    exit 1
fi

# Silently exit if this script is running on an HN but not currently hosting
# the BPC VE.
if vzctl status "$VEID" 2>/dev/null | grep -q deleted; then
    exit 0
fi

# OK, we're an HN and we're hosting the VE.  Run bpcbackup.  When it returns,
# we want to unmount the esata drive to reduce the chance of damage to the
# backup data.  Note, however, that esata must already be mounted or bpcdump
# will error.  This is correct, since we cannot auto-mount esata, since it
# has to be physically connected first, and may require authentication on mount
# if the volume is encrypted.
/usr/local/bin/bpcdump
ret=$?
/usr/local/bin/esata umount
ret2=$?
[ "$ret" != "0" ] && exit $ret
[ "$ret2" != "0" ] && exit $ret2
exit 0