#!/bin/bash
set -e

usage () {
	echo "usage: $0 ip"
	exit 1
}

[[ $# -eq 1 ]] || usage
ip="$1"

cd "$(dirname $0)"

sed "s!<IP>!${ip}!" ./metallb.yaml.template > ./metallb.yaml

echo "Configuring metallb..."
kubectl apply -f ./metallb.yaml
echo "Configuring services..."
for i in ./svc-*.yaml; do 
	svc="$(grep -Po "name: \Kpdp-.*$" "$i")"
	kubectl patch svc "$svc" -p '{"metadata":{"annotations":{"metallb.universe.tf/allow-shared-ip":"'"$ip"'"}},"spec":{"type": "LoadBalancer","loadBalancerIP":"'"$ip"'"}}'
done
echo "Done!"