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build.make: support binaries outside of cmd, with optional go.mod #171

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Aug 27, 2021
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14 changes: 9 additions & 5 deletions build.make
Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,10 @@ SHELL := /bin/bash
# set in main Makefile of a repository.
# CMDS=

# Normally, commands are expected in "cmd". That can be changed for a
# repository to something else by setting CMDS_DIR before including build.make.
CMDS_DIR ?= cmd

# This is the default. It can be overridden in the main Makefile after
# including build.make.
REGISTRY_NAME?=quay.io/k8scsi
Expand Down Expand Up @@ -90,15 +94,15 @@ $(CMDS:%=build-%): build-%: check-go-version-go
if ! [ $${#os_arch_seen_pre} = $${#os_arch_seen} ]; then \
continue; \
fi; \
if ! (set -x; CGO_ENABLED=0 GOOS="$$os" GOARCH="$$arch" go build $(GOFLAGS_VENDOR) -a -ldflags '$(FULL_LDFLAGS)' -o "./bin/$*$$suffix" ./cmd/$*); then \
if ! (set -x; cd ./$(CMDS_DIR)/$* && CGO_ENABLED=0 GOOS="$$os" GOARCH="$$arch" go build $(GOFLAGS_VENDOR) -a -ldflags '$(FULL_LDFLAGS)' -o "$(abspath ./bin)/$*$$suffix" .); then \
echo "Building $* for GOOS=$$os GOARCH=$$arch failed, see error(s) above."; \
exit 1; \
fi; \
os_arch_seen+=";$$os-$$arch"; \
done

$(CMDS:%=container-%): container-%: build-%
docker build -t $*:latest -f $(shell if [ -e ./cmd/$*/Dockerfile ]; then echo ./cmd/$*/Dockerfile; else echo Dockerfile; fi) --label revision=$(REV) .
docker build -t $*:latest -f $(shell if [ -e ./$(CMDS_DIR)/$*/Dockerfile ]; then echo ./$(CMDS_DIR)/$*/Dockerfile; else echo Dockerfile; fi) --label revision=$(REV) .

$(CMDS:%=push-%): push-%: container-%
set -ex; \
Expand Down Expand Up @@ -133,7 +137,7 @@ DOCKER_BUILDX_CREATE_ARGS ?=
# This target builds a multiarch image for one command using Moby BuildKit builder toolkit.
# Docker Buildx is included in Docker 19.03.
#
# ./cmd/<command>/Dockerfile[.Windows] is used if found, otherwise Dockerfile[.Windows].
# ./$(CMDS_DIR)/<command>/Dockerfile[.Windows] is used if found, otherwise Dockerfile[.Windows].
# It is currently optional: if no such file exists, Windows images are not included,
# even when Windows is listed in BUILD_PLATFORMS. That way, projects can test that
# Windows binaries can be built before adding a Dockerfile for it.
Expand All @@ -146,8 +150,8 @@ $(CMDS:%=push-multiarch-%): push-multiarch-%: check-pull-base-ref build-%
export DOCKER_CLI_EXPERIMENTAL=enabled; \
docker buildx create $(DOCKER_BUILDX_CREATE_ARGS) --use --name multiarchimage-buildertest; \
trap "docker buildx rm multiarchimage-buildertest" EXIT; \
dockerfile_linux=$$(if [ -e ./cmd/$*/Dockerfile ]; then echo ./cmd/$*/Dockerfile; else echo Dockerfile; fi); \
dockerfile_windows=$$(if [ -e ./cmd/$*/Dockerfile.Windows ]; then echo ./cmd/$*/Dockerfile.Windows; else echo Dockerfile.Windows; fi); \
dockerfile_linux=$$(if [ -e ./$(CMDS_DIR)/$*/Dockerfile ]; then echo ./$(CMDS_DIR)/$*/Dockerfile; else echo Dockerfile; fi); \
dockerfile_windows=$$(if [ -e ./$(CMDS_DIR)/$*/Dockerfile.Windows ]; then echo ./$(CMDS_DIR)/$*/Dockerfile.Windows; else echo Dockerfile.Windows; fi); \
if [ '$(BUILD_PLATFORMS)' ]; then build_platforms='$(BUILD_PLATFORMS)'; else build_platforms="linux amd64"; fi; \
if ! [ -f "$$dockerfile_windows" ]; then \
build_platforms="$$(echo "$$build_platforms" | sed -e 's/windows *[^ ]* *.exe *[^ ]* *[^ ]*//g' -e 's/; *;/;/g' -e 's/;[ ]*$$//')"; \
Expand Down