Merge pull request #241 from huoqifeng/multiarch-scripts

multi-arch: create build scripts for multi-arch

Author: rootfs

dev/README.md

@@ -75,3 +75,8 @@ cd dev/
 ```
 
 Then run the Kepler binary at `_output/bin/_/kepler`
+
+## Build kepler and base multi-arch images
+```bash
+./hack/build-images.sh help
+``` 

hack/build-images.sh

@@ -0,0 +1,135 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o pipefail
+set -o nounset
+
+script_dir=$(dirname "$(readlink -f "$0")")
+
+registry="quay.io/sustainable_computing_io"
+
+supported_arches=("linux/amd64" "linux/s390x" "linux/arm64")
+
+function install_packages() {
+	sudo apt install -y qemu-user-static binfmt-support build-essential
+}
+
+function setup_docker_experimental() {
+	mkdir -p $HOME/.docker
+    echo '{
+      "experimental": "enabled"
+    }' | tee $HOME/.docker/config.json
+}
+
+function create_builx_builder () {
+    BUILDX_VERSION=$1 ## v0.8.2
+    ARCH=$2 ### amd64
+    BUILDX_BIN=buildx-${BUILDX_VERSION}.linux-${ARCH}
+    wget https://github.com/docker/buildx/releases/download/v0.8.2/${BUILDX_BIN}
+	chmod +x ${BUILDX_BIN}
+    mkdir -p ~/.docker/cli-plugins
+	mv ${BUILDX_BIN} ~/.docker/cli-plugins/docker-buildx
+
+	docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
+	
+    docker buildx create --name multi-arch --platform "linux/amd64,linux/s390x,linux/arm64" --use
+    docker buildx ls
+    docker buildx inspect --bootstrap
+}
+
+function setup_env_for_arch() {
+	case "$1" in
+		"linux/amd64")
+			kernel_arch="amd64"
+			;;
+		"linux/s390x")
+			kernel_arch="s390x"
+			;;
+		"linux/arm64")
+			kernel_arch="arm64"
+			;;
+		(*) echo "$1 is not supported" && exit 1
+	esac
+}
+
+function help() {
+	 echo "Usage: $0 setup"
+	 echo "       $0 base"
+	 echo "       $0 kepler"
+	 echo "       $0 help"
+}
+
+function setup_docker_buildx() {
+	install_packages
+	setup_docker_experimental
+	create_builx_builder "v0.8.2" "amd64"
+}
+
+function build_image_base() {
+	image="kepler_base"
+	pushd "${script_dir}/.."
+
+	tag=$(date +%Y%m%d%H%M%s)
+
+	for arch in ${supported_arches[@]}; do
+		setup_env_for_arch "${arch}"
+
+		echo "Building ${image} image for ${arch}"
+		docker buildx build \
+			-f ./build/Dockerfile.base.${kernel_arch} \
+			-t "${registry}/${image}:${kernel_arch}-${tag}" \
+			--platform="${arch}" \
+			--load \
+			.
+		docker tag "${registry}/${image}:${kernel_arch}-${tag}" "${registry}/${image}:latest-${kernel_arch}"
+		docker push "${registry}/${image}:${kernel_arch}-${tag}"
+		docker push "${registry}/${image}:latest-${kernel_arch}"
+	done
+	popd
+
+	create_image_manifest_base
+}
+
+function create_image_manifest_base () {
+	docker manifest create \
+		${registry}/${image}:latest \
+		${registry}/${image}:latest-amd64 \
+		${registry}/${image}:latest-s390x \
+		${registry}/${image}:latest-arm64
+
+	docker manifest push ${registry}/${image}:latest
+}
+
+function build_image_kepler() {
+	echo "TBD..."
+}
+
+
+if [ $# -eq 0 ];
+then
+	help 1>&2;
+	exit 1
+fi
+
+
+case "$1" in
+	"setup")
+		echo "setup_docker_buildx..."
+		setup_docker_buildx
+		;;
+	"base")
+		echo "build image kepler_base..."
+		build_image_base
+		;;
+	"kepler")
+		echo "build image kepler..."
+		build_image_kepler
+		;;
+	"help")
+		help; 
+		exit 0 ;;
+	(*) 
+		help 1>&2;
+		exit 1 ;;
+esac
+