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