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Diffstat (limited to 'tools/bazel.mk')
| -rw-r--r-- | tools/bazel.mk | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/tools/bazel.mk b/tools/bazel.mk new file mode 100644 index 000000000..9f4a40669 --- /dev/null +++ b/tools/bazel.mk @@ -0,0 +1,124 @@ +#!/usr/bin/make -f + +# Copyright 2018 The gVisor 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. + +# See base Makefile. +BRANCH_NAME := $(shell (git branch --show-current 2>/dev/null || \ + git rev-parse --abbrev-ref HEAD 2>/dev/null) | \ + xargs -n 1 basename 2>/dev/null) + +# Bazel container configuration (see below). +USER ?= gvisor +HASH ?= $(shell readlink -m $(CURDIR) | md5sum | cut -c1-8) +DOCKER_NAME ?= gvisor-bazel-$(HASH) +DOCKER_PRIVILEGED ?= --privileged +BAZEL_CACHE := $(shell readlink -m ~/.cache/bazel/) +GCLOUD_CONFIG := $(shell readlink -m ~/.config/gcloud/) +DOCKER_SOCKET := /var/run/docker.sock + +# Non-configurable. +UID := $(shell id -u ${USER}) +GID := $(shell id -g ${USER}) +USERADD_OPTIONS := +FULL_DOCKER_RUN_OPTIONS := $(DOCKER_RUN_OPTIONS) +FULL_DOCKER_RUN_OPTIONS += -v "$(BAZEL_CACHE):$(BAZEL_CACHE)" +FULL_DOCKER_RUN_OPTIONS += -v "$(GCLOUD_CONFIG):$(GCLOUD_CONFIG)" +FULL_DOCKER_RUN_OPTIONS += -v "/tmp:/tmp" +ifneq ($(DOCKER_PRIVILEGED),) +FULL_DOCKER_RUN_OPTIONS += -v "$(DOCKER_SOCKET):$(DOCKER_SOCKET)" +DOCKER_GROUP := $(shell stat -c '%g' $(DOCKER_SOCKET)) +ifneq ($(GID),$(DOCKER_GROUP)) +USERADD_OPTIONS += --groups $(DOCKER_GROUP) +GROUPADD_DOCKER += groupadd --gid $(DOCKER_GROUP) --non-unique docker-$(HASH) && +FULL_DOCKER_RUN_OPTIONS += --group-add $(DOCKER_GROUP) +endif +endif +SHELL=/bin/bash -o pipefail + +## +## Bazel helpers. +## +## This file supports targets that wrap bazel in a running Docker +## container to simplify development. Some options are available to +## control the behavior of this container: +## USER - The in-container user. +## DOCKER_RUN_OPTIONS - Options for the container (default: --privileged, required for tests). +## DOCKER_NAME - The container name (default: gvisor-bazel-HASH). +## BAZEL_CACHE - The bazel cache directory (default: detected). +## GCLOUD_CONFIG - The gcloud config directory (detect: detected). +## DOCKER_SOCKET - The Docker socket (default: detected). +## +bazel-server-start: load-default ## Starts the bazel server. + @mkdir -p $(BAZEL_CACHE) + @mkdir -p $(GCLOUD_CONFIG) + docker run -d --rm \ + --init \ + --name $(DOCKER_NAME) \ + --user 0:0 $(DOCKER_GROUP_OPTIONS) \ + -v "$(CURDIR):$(CURDIR)" \ + --workdir "$(CURDIR)" \ + --entrypoint "" \ + $(FULL_DOCKER_RUN_OPTIONS) \ + gvisor.dev/images/default \ + sh -c "groupadd --gid $(GID) --non-unique $(USER) && \ + $(GROUPADD_DOCKER) \ + useradd --uid $(UID) --non-unique --no-create-home --gid $(GID) $(USERADD_OPTIONS) -d $(HOME) $(USER) && \ + bazel version && \ + exec tail --pid=\$$(bazel info server_pid) -f /dev/null" + @while :; do if docker logs $(DOCKER_NAME) 2>/dev/null | grep "Build label:" >/dev/null; then break; fi; \ + if ! docker ps | grep $(DOCKER_NAME); then exit 1; else sleep 1; fi; done +.PHONY: bazel-server-start + +bazel-shutdown: ## Shuts down a running bazel server. + @docker exec --user $(UID):$(GID) $(DOCKER_NAME) bazel shutdown; rc=$$?; docker kill $(DOCKER_NAME) || [[ $$rc -ne 0 ]] +.PHONY: bazel-shutdown + +bazel-alias: ## Emits an alias that can be used within the shell. + @echo "alias bazel='docker exec --user $(UID):$(GID) -i $(DOCKER_NAME) bazel'" +.PHONY: bazel-alias + +bazel-server: ## Ensures that the server exists. Used as an internal target. + @docker exec $(DOCKER_NAME) true || $(MAKE) bazel-server-start +.PHONY: bazel-server + +build_cmd = docker exec --user $(UID):$(GID) -i $(DOCKER_NAME) sh -o pipefail -c 'bazel $(STARTUP_OPTIONS) build $(OPTIONS) $(TARGETS)' + +build_paths = $(build_cmd) 2>&1 \ + | tee /proc/self/fd/2 \ + | grep -E "^ bazel-bin/" \ + | awk "{print $$1;}" \ + | xargs -n 1 -I {} sh -c "$(1)" + +build: bazel-server + @$(call build_cmd) +.PHONY: build + +copy: bazel-server +ifeq (,$(DESTINATION)) + $(error Destination not provided.) +endif + @$(call build_paths,cp -a {} $(DESTINATION)) + +run: bazel-server + @$(call build_paths,{} $(ARGS)) +.PHONY: run + +sudo: bazel-server + @$(call build_paths,sudo -E {} $(ARGS)) +.PHONY: sudo + +test: bazel-server + @docker exec --user $(UID):$(GID) -i $(DOCKER_NAME) bazel $(STARTUP_OPTIONS) test $(OPTIONS) $(TARGETS) +.PHONY: test |