xen-tender

#!/usr/bin/env bash

set -o nounset
set -o errexit

if [ "$(id -u)" != "0" ]; then
	echo "You aren't root..." >&2
	exit 2
fi

if [ $# -lt 1 ]; then
	echo "usage: $0 list,of,vms,that,should,be,running" >&2
	exit 1
fi

VMS=$(/usr/sbin/drbd-overview | grep Primary | cut -d ':' -f 2 | cut -d '_' -f 1 | sort -u)

echo "$1" | sed 's/,/\n/g' | while read -r LINE; do
	if [ "$(echo "$VMS" | grep -cE "^$LINE$")" -ne "1" ]; then
		echo "Need to start $LINE"
		/usr/local/sbin/xen-start $LINE || echo "Could not start $LINE. Continuing anyway."
	fi
done