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119 lines
3.7 KiB
Bash
Executable File
119 lines
3.7 KiB
Bash
Executable File
#!/bin/bash
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# Copyright 2017 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set -o errexit
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set -o nounset
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set -o pipefail
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TASK=$1
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IMAGE=$2
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KUBE_ROOT="$(cd "$(dirname "${BASH_SOURCE}")/../.." && pwd -P)"
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# Mapping of go ARCH to actual architectures shipped part of multiarch/qemu-user-static project
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declare -A QEMUARCHS=( ["amd64"]="x86_64" ["arm"]="arm" ["arm64"]="aarch64" ["ppc64le"]="ppc64le" ["s390x"]="s390x" )
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# Returns list of all supported architectures from BASEIMAGE file
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listArchs() {
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cut -d "=" -f 1 ${IMAGE}/BASEIMAGE
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}
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# Returns baseimage need to used in Dockerfile for any given architecture
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getBaseImage() {
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arch=$1
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echo $(grep "${arch}=" BASEIMAGE | cut -d= -f2)
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}
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# This function will build test image for all the architectures
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# mentioned in BASEIMAGE file. In the absence of BASEIMAGE file,
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# it will build for all the supported arch list - amd64, arm,
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# arm64, ppc64le, s390x
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build() {
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if [[ -f ${IMAGE}/BASEIMAGE ]]; then
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archs=$(listArchs)
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else
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archs=${!QEMUARCHS[@]}
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fi
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for arch in ${archs}; do
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echo "Building image for ${IMAGE} ARCH: ${arch}..."
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# Create a temporary directory for every architecture and copy the image content
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# and build the image from temporary directory
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temp_dir=$(mktemp -d)
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cp -r ${IMAGE}/* ${temp_dir}
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if [[ -f ${IMAGE}/Makefile ]]; then
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# make bin will take care of all the prerequisites needed
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# for building the docker image
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make -C ${IMAGE} bin ARCH=${arch} TARGET=${temp_dir}
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fi
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pushd ${temp_dir}
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# image tag
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TAG=$(<VERSION)
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if [[ -f BASEIMAGE ]]; then
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BASEIMAGE=$(getBaseImage ${arch})
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sed -i "s|BASEIMAGE|${BASEIMAGE}|g" Dockerfile
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fi
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# copy the qemu-*-static binary to docker image to build the multi architecture image on x86 platform
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if [[ $(grep "CROSS_BUILD_" Dockerfile) ]]; then
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if [[ "${arch}" == "amd64" ]]; then
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sed -i "/CROSS_BUILD_/d" Dockerfile
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else
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sed -i "s|QEMUARCH|${QEMUARCHS[$arch]}|g" Dockerfile
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# Register qemu-*-static for all supported processors except the current one
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docker run --rm --privileged multiarch/qemu-user-static:register --reset
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curl -sSL https://github.com/multiarch/qemu-user-static/releases/download/${QEMUVERSION}/x86_64_qemu-${QEMUARCHS[$arch]}-static.tar.gz | tar -xz -C ${temp_dir}
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sed -i "s/CROSS_BUILD_//g" Dockerfile
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fi
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fi
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docker build --pull -t ${REGISTRY}/${IMAGE}-${arch}:${TAG} .
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popd
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done
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}
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# This function will push the docker images
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push() {
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if [[ -f ${IMAGE}/BASEIMAGE ]]; then
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archs=$(listArchs)
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else
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archs=${!QEMUARCHS[@]}
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fi
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for arch in ${archs}; do
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TAG=$(<${IMAGE}/VERSION)
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gcloud docker -- push ${REGISTRY}/${IMAGE}-${arch}:${TAG}
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done
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}
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# This function is for building the go code
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bin() {
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for SRC in $@;
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do
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docker run --rm -it -v ${TARGET}:${TARGET}:Z -v ${KUBE_ROOT}:/go/src/k8s.io/kubernetes:Z \
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golang:${GOLANG_VERSION} \
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/bin/bash -c "\
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cd /go/src/k8s.io/kubernetes/test/images/${SRC_DIR} && \
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CGO_ENABLED=0 GOARM=${GOARM} GOARCH=${ARCH} go build -a -installsuffix cgo --ldflags '-w' -o ${TARGET}/${SRC} ./$(dirname ${SRC})"
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done
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}
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shift
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eval ${TASK} "$@"
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