285 lines
12 KiB
Makefile
Executable File
285 lines
12 KiB
Makefile
Executable File
# Copyright 2016 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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# The binaries to build (just the basenames).
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BINS := ddbbolt
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# Where to push the docker image.
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REGISTRY ?= r-push.lerch.org
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# This version-strategy uses git tags to set the version string
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VERSION ?= $(shell git describe --tags --always --dirty)
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#
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# This version-strategy uses a manual value to set the version string
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#VERSION ?= 1.2.3
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# Podman rootless needs 777. Otherwise should be 755
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BINDIRMODE ?= 777
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###
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### These variables should not need tweaking.
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###
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# So /bin/sh/ sources file at $ENV
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SHELL := sh
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.SHELLFLAGS := -ic
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SRC_DIRS := cmd pkg # directories which hold app source (not vendored)
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# Windows not working atm
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#ALL_PLATFORMS := linux/amd64 linux/arm linux/arm64 linux/ppc64le linux/s390x
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# Unlikely I'll run on ppc or s390x anytime soon
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ALL_PLATFORMS := linux/amd64 linux/arm linux/arm64
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# Used internally. Users should pass GOOS and/or GOARCH.
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# hacked this to at least guess if go isn't installed on the host
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OS := $(if $(GOOS),$(GOOS),$(shell go env GOOS 2>/dev/null || uname -s | tr '[:upper:]' '[:lower:]'))
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ARCH := $(if $(GOARCH),$(GOARCH),$(shell go env GOARCH 2>/dev/null || echo 'amd64'))
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BASEIMAGE ?= scratch # gcr.io/distroless/static
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TAG := $(VERSION)__$(OS)_$(ARCH)
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BUILD_IMAGE ?= golang:1.15.5-alpine
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BIN_EXTENSION :=
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ifeq ($(OS), windows)
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BIN_EXTENSION := .exe
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endif
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# If you want to build all binaries, see the 'all-build' rule.
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# If you want to build all containers, see the 'all-container' rule.
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# If you want to build AND push all containers, see the 'all-push' rule.
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all: # @HELP builds binaries for one platform ($OS/$ARCH)
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all: build
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# For the following OS/ARCH expansions, we transform OS/ARCH into OS_ARCH
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# because make pattern rules don't match with embedded '/' characters.
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build-%:
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@$(MAKE) build \
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--no-print-directory \
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GOOS=$(firstword $(subst _, ,$*)) \
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GOARCH=$(lastword $(subst _, ,$*))
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container-%:
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@$(MAKE) container \
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--no-print-directory \
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GOOS=$(firstword $(subst _, ,$*)) \
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GOARCH=$(lastword $(subst _, ,$*))
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push-%:
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@$(MAKE) push \
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--no-print-directory \
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GOOS=$(firstword $(subst _, ,$*)) \
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GOARCH=$(lastword $(subst _, ,$*))
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all-build: # @HELP builds binaries for all platforms
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all-build: $(addprefix build-, $(subst /,_, $(ALL_PLATFORMS)))
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all-container: # @HELP builds containers for all platforms
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all-container: $(addprefix container-, $(subst /,_, $(ALL_PLATFORMS)))
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all-push: # @HELP pushes containers for all platforms to the defined registry
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all-push: $(addprefix push-, $(subst /,_, $(ALL_PLATFORMS)))
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# The following structure defeats Go's (intentional) behavior to always touch
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# result files, even if they have not changed. This will still run `go` but
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# will not trigger further work if nothing has actually changed.
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OUTBINS = $(foreach bin,$(BINS),bin/$(OS)_$(ARCH)/$(bin)$(BIN_EXTENSION))
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build: $(OUTBINS)
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# Directories that we need created to build/test.
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BUILD_DIRS := bin/$(OS)_$(ARCH) \
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.go/bin/$(OS)_$(ARCH) \
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.go/cache
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# Each outbin target is just a facade for the respective stampfile target.
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# This `eval` establishes the dependencies for each.
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$(foreach outbin,$(OUTBINS),$(eval \
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$(outbin): .go/$(outbin).stamp \
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))
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# This is the target definition for all outbins.
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$(OUTBINS):
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@true
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# Each stampfile target can reference an $(OUTBIN) variable.
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$(foreach outbin,$(OUTBINS),$(eval $(strip \
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.go/$(outbin).stamp: OUTBIN = $(outbin) \
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)))
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# This is the target definition for all stampfiles.
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# This will build the binary under ./.go and update the real binary iff needed.
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STAMPS = $(foreach outbin,$(OUTBINS),.go/$(outbin).stamp)
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.PHONY: $(STAMPS)
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$(STAMPS): go-build
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@echo "binary: $(OUTBIN)"
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@if ! cmp -s .go/$(OUTBIN) $(OUTBIN); then \
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mv .go/$(OUTBIN) $(OUTBIN); \
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date >$@; \
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fi
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# This runs the actual `go build` which updates all binaries.
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go-build: $(BUILD_DIRS)
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@echo
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@echo "building for $(OS)/$(ARCH)"
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@mkdir -p "$$(pwd)/.go/bin/$(OS)_$(ARCH)"
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@chmod $(BINDIRMODE) "$$(pwd)/.go/bin/$(OS)_$(ARCH)"
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@docker run \
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--rm \
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-u $$(id -u):$$(id -g) \
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-v $$(pwd):/src \
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-w /src \
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-v $$(pwd)/.go/bin/$(OS)_$(ARCH):/go/bin \
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-v $$(pwd)/.go/bin/$(OS)_$(ARCH):/go/bin/$(OS)_$(ARCH) \
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-v $$(pwd)/.go/cache:/.cache \
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--env HOME=/ \
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--env HTTP_PROXY=$(HTTP_PROXY) \
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--env HTTPS_PROXY=$(HTTPS_PROXY) \
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$(BUILD_IMAGE) \
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/bin/sh -c " \
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ARCH=$(ARCH) \
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OS=$(OS) \
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VERSION=$(VERSION) \
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./build/build.sh \
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"
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# Example: make shell CMD="-c 'date > datefile'"
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shell: # @HELP launches a shell in the containerized build environment
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shell: $(BUILD_DIRS)
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@echo "launching a shell in the containerized build environment"
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@docker run \
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-ti \
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--rm \
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-u $$(id -u):$$(id -g) \
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-v $$(pwd):/src \
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-w /src \
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-v $$(pwd)/.go/bin/$(OS)_$(ARCH):/go/bin \
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-v $$(pwd)/.go/bin/$(OS)_$(ARCH):/go/bin/$(OS)_$(ARCH) \
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-v $$(pwd)/.go/cache:/.cache \
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--env HTTP_PROXY=$(HTTP_PROXY) \
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--env HTTPS_PROXY=$(HTTPS_PROXY) \
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$(BUILD_IMAGE) \
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/bin/sh $(CMD)
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CONTAINER_DOTFILES = $(foreach bin,$(BINS),.container-$(subst /,_,$(REGISTRY)/$(bin))-$(TAG))
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container containers: # @HELP builds containers for one platform ($OS/$ARCH)
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container containers: $(CONTAINER_DOTFILES)
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@for bin in $(BINS); do \
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echo "container: $(REGISTRY)/$$bin:$(TAG)"; \
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done
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# Each container-dotfile target can reference a $(BIN) variable.
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# This is done in 2 steps to enable target-specific variables.
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$(foreach bin,$(BINS),$(eval $(strip \
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.container-$(subst /,_,$(REGISTRY)/$(bin))-$(TAG): BIN = $(bin) \
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)))
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$(foreach bin,$(BINS),$(eval \
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.container-$(subst /,_,$(REGISTRY)/$(bin))-$(TAG): bin/$(OS)_$(ARCH)/$(bin) Dockerfile.in \
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))
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# This is the target definition for all container-dotfiles.
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# These are used to track build state in hidden files.
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$(CONTAINER_DOTFILES):
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@sed \
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-e 's|{ARG_BIN}|$(BIN)|g' \
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-e 's|{ARG_ARCH}|$(ARCH)|g' \
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-e 's|{ARG_OS}|$(OS)|g' \
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-e 's|{ARG_FROM}|$(BASEIMAGE)|g' \
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Dockerfile.in > .dockerfile-$(BIN)-$(OS)_$(ARCH)
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@docker build -t $(REGISTRY)/$(BIN):$(TAG) -f .dockerfile-$(BIN)-$(OS)_$(ARCH) .
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@docker images -q $(REGISTRY)/$(BIN):$(TAG) > $@
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@echo
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push: # @HELP pushes the container for one platform ($OS/$ARCH) to the defined registry
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push: $(CONTAINER_DOTFILES)
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@for bin in $(BINS); do \
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docker push $(REGISTRY)/$$bin:$(TAG); \
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done
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# TODO: Upstream was using manifest-tool and gcloud commands. Needs update
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manifest-list: # @HELP builds a manifest list of containers for all platforms
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manifest-list: all-container
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@export DOCKER_CLI_EXPERIMENTAL=enabled && \
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for bin in $(BINS); do \
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docker manifest create $(REGISTRY)/$$bin:$(VERSION); \
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for platform in $(ALL_PLATFORMS); do \
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docker manifest add --arch $$(echo $$platform | cut -d/ -f2) \
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$(REGISTRY)/$$bin:$(VERSION) \
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$(REGISTRY)/$$bin:$(VERSION)__$$(echo $$platform | sed 's#/#_#g'); \
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done; \
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docker manifest push --all $(REGISTRY)/$$bin:$(VERSION) \
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docker://$(REGISTRY)/$$bin:$(VERSION); \
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done
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version: # @HELP outputs the version string
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version:
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@echo $(VERSION)
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test: # @HELP runs tests, as defined in ./build/test.sh
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test: $(BUILD_DIRS)
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@docker run \
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-i \
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--rm \
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-u $$(id -u):$$(id -g) \
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-v $$(pwd):/src \
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-w /src \
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-v $$(pwd)/.go/bin/$(OS)_$(ARCH):/go/bin \
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-v $$(pwd)/.go/bin/$(OS)_$(ARCH):/go/bin/$(OS)_$(ARCH) \
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-v $$(pwd)/.go/cache:/.cache \
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--env HTTP_PROXY=$(HTTP_PROXY) \
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--env HTTPS_PROXY=$(HTTPS_PROXY) \
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$(BUILD_IMAGE) \
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/bin/sh -c " \
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ARCH=$(ARCH) \
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OS=$(OS) \
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VERSION=$(VERSION) \
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./build/test.sh $(SRC_DIRS) \
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"
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$(BUILD_DIRS):
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@mkdir -p $@
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clean: # @HELP removes built binaries and temporary files
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clean: container-clean bin-clean
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container-clean:
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@rm -rf .container-* .dockerfile-*; \
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for bin in $(BINS); do \
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docker image exists "$(REGISTRY)/$$bin:$(VERSION)" && \
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docker image rm "$(REGISTRY)/$$bin:$(VERSION)"; \
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for platform in $(ALL_PLATFORMS); do \
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docker image exists "$(REGISTRY)/$$bin:$(VERSION)__$$(echo $$platform | sed 's#/#_#g')" && \
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docker image rm "$(REGISTRY)/$$bin:$(VERSION)__$$(echo $$platform | sed 's#/#_#g')"; \
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done \
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done; true
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bin-clean:
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rm -rf .go bin
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help: # @HELP prints this message
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help:
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@echo "VARIABLES:"
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@echo " BINS = $(BINS)"
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@echo " OS = $(OS)"
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@echo " ARCH = $(ARCH)"
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@echo " REGISTRY = $(REGISTRY)"
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@echo
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@echo "TARGETS:"
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@grep -E '^.*: *# *@HELP' $(MAKEFILE_LIST) \
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| awk ' \
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BEGIN {FS = ": *# *@HELP"}; \
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{ printf " %-30s %s\n", $$1, $$2 }; \
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'
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