roles/maas/files/power_discovery

#!/bin/ash

USERNAME=$1; shift
HOSTIP=$1; shift
SSH_KEY="-i /etc/maas/virtualbox/id_rsa"

LIST=$(echo $* | awk '{print toupper($0)}')
MATCH=

best() {
	local i
	local BEST=
	local BEST_CNT=0
	for i in $MATCH; do
		local CNT=$(echo $i | cut -d- -f2)
		if [ $CNT > $BEST_CNT ]; then
			BEST=$(echo $i | cut -d- -f1)
			BEST_CNT=$CNT
		fi
	done
	echo $BEST
}

inc() {
	FOUND=$(echo $MATCH | grep "$1" |  wc -l)
	if [ $FOUND -eq 0 ]; then
		MATCH="$MATCH $1-1"
	else
		NEXT=
		local i=
		for  i in $MATCH; do
			FOUND=$(echo $i | grep "$1" | wc -l)
			if [ $FOUND -eq 1 ]; then
				COUNT=$(echo $i | cut -d- -f2)
				COUNT=$(expr $COUNT + 1)
				NEXT="$NEXT $1-$COUNT"
			else
				NEXT="$NEXT $i"
			fi
		done
		MATCH=$NEXT
	fi
}

for i in $(ssh $SSH_KEY $USERNAME@$HOSTIP /usr/local/bin/vboxmanage list vms | awk '{print $NF}' | sed -e 's/[{}]//g'); do
	for m in $(ssh $SSH_KEY $USERNAME@$HOSTIP /usr/local/bin/vboxmanage showvminfo --machinereadable $i | grep -i macaddress | cut -d= -f2 | sed -e 's/"//g' -e 's/\(..\)/\1:/g' -e 's/:$//g'); do
		p=$(echo $i | cut -d- -f5)
		for t in $LIST; do
			if [ "$t" == "$m" ]; then
				inc $p
			fi
		done
	done
done

BEST=$(best)
if [ "$BEST x" == " x" ]; then
	echo "{}"
else
	MAC=$(echo $BEST | cut -d- -f5 | sed -e 's/"//g' -e 's/\(..\)/\1:/g' -e 's/:$//g')
        echo "{\"name\":\"amt\",\"mac_address\":\"$MAC\",\"power_password\":\"$USERNAME\",\"power_address\":\"$HOSTIP\"}"
fi