#!/bin/bash

# Copyright 2018 by the contributors
#
#    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.


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

test -n "{{BaseBinaryUrl}}"
url_base="{{BaseBinaryUrl}}"

for binary in kubelet kubeadm kubectl; do
    url=${url_base%/}/$binary

    echo "Attempting to download: $url"
    if /usr/bin/curl -Lf -o /tmp/$binary "$url"; then
        md5=($(/usr/bin/md5sum /tmp/$binary))
        echo "Installing override binary $binary with md5sum: $md5"
        /usr/bin/install -o root -g root -m 0755 /tmp/$binary /usr/bin/$binary
    
        if [ "$binary" == "kubelet" ]; then
            /bin/systemctl daemon-reload
            /bin/systemctl restart kubelet
        fi
    fi
done;