#!/usr/bin/env bash

# Copyright 2015 The Kubernetes Authors All rights reserved.
#
# 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.

# Curl an endpoint and expect it to respond with status 200.
# Usage: health-check <address>

set -o errexit
set -o nounset
set -o pipefail

address=${1:-}
[ -z "${address}" ] && echo "No address supplied" && exit 1

status=$(curl -s -o /dev/null -w '%{http_code}' ${address})
if [[ "${status}" == '200' ]]; then
    exit 0
fi
if [[ "${status}" == '000' ]]; then
    exit 7
fi

exit 1