k3s/cluster/centos/build.sh

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#!/usr/bin/env 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.
# Download the flannel, etcd, docker, bridge-utils and K8s binaries automatically
# and store into binaries directory.
# Run as sudoers only
# author @kevin-wangzefeng
set -o errexit
set -o nounset
set -o pipefail
readonly ROOT=$(dirname "${BASH_SOURCE[0]}")
source "${ROOT}/config-build.sh"
# ensure $RELEASES_DIR is an absolute file path
mkdir -p "${RELEASES_DIR}"
RELEASES_DIR=$(cd "${RELEASES_DIR}"; pwd)
# get absolute file path of binaries
BINARY_DIR=$(cd "${ROOT}"; pwd)/binaries
function clean-up() {
rm -rf "${RELEASES_DIR}"
rm -rf "${BINARY_DIR}"
}
function download-releases() {
rm -rf "${RELEASES_DIR}"
mkdir -p "${RELEASES_DIR}"
echo "Download flannel release v${FLANNEL_VERSION} ..."
curl -L "${FLANNEL_DOWNLOAD_URL}" -o "${RELEASES_DIR}/flannel.tar.gz"
echo "Download etcd release v${ETCD_VERSION} ..."
curl -L "${ETCD_DOWNLOAD_URL}" -o "${RELEASES_DIR}/etcd.tar.gz"
echo "Download kubernetes release v${K8S_VERSION} ..."
curl -L "${K8S_CLIENT_DOWNLOAD_URL}" -o "${RELEASES_DIR}/kubernetes-client-linux-amd64.tar.gz"
curl -L "${K8S_SERVER_DOWNLOAD_URL}" -o "${RELEASES_DIR}/kubernetes-server-linux-amd64.tar.gz"
echo "Download docker release v${DOCKER_VERSION} ..."
curl -L "${DOCKER_DOWNLOAD_URL}" -o "${RELEASES_DIR}/docker.tar.gz"
}
function unpack-releases() {
rm -rf "${BINARY_DIR}"
mkdir -p "${BINARY_DIR}/master/bin"
mkdir -p "${BINARY_DIR}/node/bin"
# flannel
if [[ -f "${RELEASES_DIR}/flannel.tar.gz" ]] ; then
tar xzf "${RELEASES_DIR}/flannel.tar.gz" -C "${RELEASES_DIR}"
cp "${RELEASES_DIR}/flanneld" "${BINARY_DIR}/master/bin"
cp "${RELEASES_DIR}/flanneld" "${BINARY_DIR}/node/bin"
fi
# etcd
if [[ -f "${RELEASES_DIR}/etcd.tar.gz" ]] ; then
tar xzf "${RELEASES_DIR}/etcd.tar.gz" -C "${RELEASES_DIR}"
ETCD="etcd-v${ETCD_VERSION}-linux-amd64"
cp "${RELEASES_DIR}/${ETCD}/etcd" \
"${RELEASES_DIR}/${ETCD}/etcdctl" "${BINARY_DIR}/master/bin"
cp "${RELEASES_DIR}/${ETCD}/etcd" \
"${RELEASES_DIR}/${ETCD}/etcdctl" "${BINARY_DIR}/node/bin"
fi
# k8s
if [[ -f "${RELEASES_DIR}/kubernetes-client-linux-amd64.tar.gz" ]] ; then
tar xzf "${RELEASES_DIR}/kubernetes-client-linux-amd64.tar.gz" -C "${RELEASES_DIR}"
cp "${RELEASES_DIR}/kubernetes/client/bin/kubectl" "${BINARY_DIR}"
fi
if [[ -f "${RELEASES_DIR}/kubernetes-server-linux-amd64.tar.gz" ]] ; then
tar xzf "${RELEASES_DIR}/kubernetes-server-linux-amd64.tar.gz" -C "${RELEASES_DIR}"
cp "${RELEASES_DIR}/kubernetes/server/bin/kube-apiserver" \
"${RELEASES_DIR}/kubernetes/server/bin/kube-controller-manager" \
"${RELEASES_DIR}/kubernetes/server/bin/kube-scheduler" "${BINARY_DIR}/master/bin"
cp "${RELEASES_DIR}/kubernetes/server/bin/kubelet" \
"${RELEASES_DIR}/kubernetes/server/bin/kube-proxy" "${BINARY_DIR}/node/bin"
fi
# docker
if [[ -f "${RELEASES_DIR}/docker.tar.gz" ]]; then
tar xzf "${RELEASES_DIR}/docker.tar.gz" -C "${RELEASES_DIR}"
cp "${RELEASES_DIR}/docker/docker*" "${BINARY_DIR}/node/bin"
fi
chmod -R +x "${BINARY_DIR}"
echo "Done! All binaries are stored in ${BINARY_DIR}"
}
function parse-opt() {
local opt=${1-}
case $opt in
download)
download-releases
;;
unpack)
unpack-releases
;;
clean)
clean-up
;;
all)
download-releases
unpack-releases
;;
*)
echo "Usage: "
echo " build.sh <command>"
echo "Commands:"
echo " clean Clean up downloaded releases and unpacked binaries."
echo " download Download releases to \"${RELEASES_DIR}\"."
echo " unpack Unpack releases downloaded in \"${RELEASES_DIR}\", and copy binaries to \"${BINARY_DIR}\"."
echo " all Download releases and unpack them."
;;
esac
}
parse-opt "${@}"