#!/bin/bash

# Copyright 2015 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# A utility for deleting target pools and forwarding rules that are unattached to VMs
setglobal PROJECT = $(PROJECT:-kubernetes-jenkins)
setglobal REGION = $(REGION:-us-central1)

setglobal LIST = $[gcloud --project=$(PROJECT) compute target-pools list --format='value(name)]

setglobal result = '0'
for x in [$(LIST)] {
    if ! gcloud compute --project=$(PROJECT) target-pools get-health $(x) --region=$(REGION) !2 >/dev/null >/dev/null {
	echo DELETING $(x)
	gcloud compute --project=$(PROJECT) firewall-rules delete "k8s-fw-$(x)" -q
	gcloud compute --project=$(PROJECT) forwarding-rules delete $(x) --region=$(REGION) -q
	gcloud compute --project=$(PROJECT) addresses delete $(x) --region=$(REGION) -q
	gcloud compute --project=$(PROJECT) target-pools delete $(x) --region=$(REGION) -q
        setglobal result = '1'
    }
}
exit ${result}