ci: add bazel docker for amd64 and arm64

2 files changed, 159 insertions, 0 deletions

diff --git a/bazel/ci/Makefile b/bazel/ci/Makefile
new file mode 100644
index 0000000..1967213
--- /dev/null
+++ b/bazel/ci/Makefile
@@ -0,0 +1,122 @@
+PROJECT := cpu_features
+BRANCH := $(shell git rev-parse --abbrev-ref HEAD)
+SHA1 := $(shell git rev-parse --verify HEAD)
+
+# General commands
+.PHONY: help
+BOLD=\e[1m
+RESET=\e[0m
+
+help:
+	@echo -e "${BOLD}SYNOPSIS${RESET}"
+	@echo -e "\tmake <target> [NOCACHE=1]"
+	@echo
+	@echo -e "${BOLD}DESCRIPTION${RESET}"
+	@echo -e "\ttest build inside docker container to have a reproductible build."
+	@echo
+	@echo -e "${BOLD}MAKE TARGETS${RESET}"
+	@echo -e "\t${BOLD}help${RESET}: display this help and exit."
+	@echo
+	@echo -e "\t${BOLD}<platform>_<stage>${RESET}: build <stage> docker image using an Ubuntu:latest x86_64 base image."
+	@echo -e "\t${BOLD}save_<platform>_<stage>${RESET}: Save the <stage> docker image."
+	@echo -e "\t${BOLD}sh_<platform>_<stage>${RESET}: run a container using the <stage> docker image (debug purpose)."
+	@echo -e "\t${BOLD}clean_<platform>_<stage>${RESET}: Remove cache and docker image."
+	@echo
+	@echo -e "\tWith ${BOLD}<platform>${RESET}:"
+	@echo -e "\t\t${BOLD}amd64${RESET} (linux/amd64)"
+	@echo -e "\t\t${BOLD}arm64${RESET} (linux/arm64)"
+	@echo
+	@echo -e "\tWith ${BOLD}<stage>${RESET}:"
+	@echo -e "\t\t${BOLD}env${RESET}"
+	@echo -e "\t\t${BOLD}devel${RESET}"
+	@echo -e "\t\t${BOLD}build${RESET}"
+	@echo -e "\t\t${BOLD}test${RESET}"
+	@echo -e "\te.g. 'make amd64_build'"
+	@echo
+	@echo -e "\t${BOLD}clean${RESET}: Remove cache and ALL docker images."
+	@echo
+	@echo -e "\t${BOLD}NOCACHE=1${RESET}: use 'docker build --no-cache' when building container (default use cache)."
+	@echo -e "\t${BOLD}VERBOSE=1${RESET}: use 'docker build --progress=plain' when building container."
+	@echo
+	@echo -e "branch: $(BRANCH)"
+	@echo -e "sha1: $(SHA1)"
+
+# Need to add cmd_platform to PHONY otherwise target are ignored since they do not
+# contain recipe (using FORCE do not work here)
+.PHONY: all
+all: build
+
+# Delete all implicit rules to speed up makefile
+MAKEFLAGS += --no-builtin-rules
+.SUFFIXES:
+# Remove some rules from gmake that .SUFFIXES does not remove.
+SUFFIXES =
+# Keep all intermediate files
+# ToDo: try to remove it later
+.SECONDARY:
+
+# Docker image name prefix.
+IMAGE := ${PROJECT}
+
+DOCKER_BUILDX_CMD := docker buildx build
+ifdef NOCACHE
+DOCKER_BUILDX_CMD := ${DOCKER_BUILDX_CMD} --no-cache
+endif
+ifdef VERBOSE
+DOCKER_BUILDX_CMD := ${DOCKER_BUILDX_CMD} --progress=plain
+endif
+DOCKER_RUN_CMD := docker run --rm --init --net=host
+
+############
+## NATIVE ##
+############
+# ref: https://go.dev/doc/install/source#environment
+# ref: https://github.com/containerd/containerd/blob/269548fa27e0089a8b8278fc4fc781d7f65a939b/platforms/platforms.go#L80-L94
+PLATFORMS := amd64 arm64
+STAGES := env devel build test
+
+define make-platform-stage-target =
+$1_$2: docker/Dockerfile
+	${DOCKER_BUILDX_CMD} \
+ --platform linux/$1 \
+ --build-arg PLATFORM="$1" \
+ --target=$2 \
+ --tag ${IMAGE}:$1_$2 \
+ -f $$< ../..
+
+save_$1_$2: cache/$1/docker_$2.tar
+cache/$1/docker_$2.tar: $1_$2
+	@rm -f $$@
+	mkdir -p cache/$1
+	docker save ${IMAGE}:$1_$2 -o $$@
+
+sh_$1_$2: $1_$2
+	${DOCKER_RUN_CMD} --platform linux/$1 -it --name ${IMAGE}_$1_$2 ${IMAGE}:$1_$2
+
+clean_$1_$2:
+	docker image rm -f ${IMAGE}:$1_$2 2>/dev/null
+	rm -f cache/$1/docker_$2.tar
+endef
+
+define make-platform-target =
+$(foreach stage,$(STAGES),$(eval $(call make-platform-stage-target,$1,$(stage))))
+
+# merge
+.PHONY: clean_$1
+clean_$1: $(addprefix clean_$1_, $(STAGES))
+	-rmdir cache/$1
+endef
+
+$(foreach platform,$(PLATFORMS),$(eval $(call make-platform-target,$(platform))))
+
+## MERGE ##
+.PHONY: clean
+clean: $(addprefix clean_, $(PLATFORMS))
+	docker container prune -f
+	docker image prune -f
+	-rmdir cache
+
+.PHONY: distclean
+distclean: clean
+	-docker container rm -f $$(docker container ls -aq)
+	-docker image rm -f $$(docker image ls -aq)
diff --git a/bazel/ci/docker/Dockerfile b/bazel/ci/docker/Dockerfile
new file mode 100644
index 0000000..a46b493
--- /dev/null
+++ b/bazel/ci/docker/Dockerfile
@@ -0,0 +1,37 @@
+# Create a virtual environment with all tools installed
+# ref: https://hub.docker.com/_/ubuntu
+FROM ubuntu:latest AS env
+
+# Install system build dependencies
+ENV PATH=/usr/local/bin:$PATH
+RUN apt-get update -qq \
+&& DEBIAN_FRONTEND=noninteractive apt-get install -yq \
+ git wget build-essential \
+&& apt-get clean \
+&& rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+ENTRYPOINT ["/usr/bin/bash", "-c"]
+CMD ["/usr/bin/bash"]
+
+# Install Bazelisk
+ARG PLATFORM
+RUN wget \
+ "https://github.com/bazelbuild/bazelisk/releases/download/v1.18.0/bazelisk-linux-${PLATFORM}" \
+&& chmod +x "bazelisk-linux-${PLATFORM}" \
+&& mv "bazelisk-linux-${PLATFORM}" /usr/local/bin/bazel
+
+FROM env AS devel
+WORKDIR /home/project
+COPY . .
+
+FROM devel AS build
+RUN bazel version
+RUN bazel build \
+ -c opt \
+ --subcommands=true \
+ ...
+
+FROM build AS test
+RUN bazel test \
+ -c opt \
+ --test_output=errors \
+ ...