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Makefile
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BINS := redshiftbatcher redshiftloader redshiftsink
# Where to push the docker image.
REGISTRY ?= public.ecr.aws/practo
# This version-strategy uses git tags to set the version string
VERSION ?= $(shell git describe --tags --always --dirty)
#
# This version-strategy uses a manual value to set the version string
#VERSION ?= 1.2.3
###
### These variables should not need tweaking.
###
SRC_DIRS := cmd pkg # dirs which hold app source (not vendored)
ALL_PLATFORMS := linux/amd64 linux/arm linux/arm64 linux/ppc64le linux/s390x
# Used internally. Users should pass GOOS and/or GOARCH.
OS := $(if $(GOOS),$(GOOS),$(shell go env GOOS))
ARCH := $(if $(GOARCH),$(GOARCH),$(shell go env GOARCH))
BASEIMAGE ?= gcr.io/distroless/static
TAG := $(VERSION)
BUILD_IMAGE ?= public.ecr.aws/practo/golang:1.17.1-alpine
# If you want to build all binaries, see the 'all-build' rule.
# If you want to build all containers, see the 'all-container' rule.
# If you want to build AND push all containers, see the 'all-push' rule.
all: # @HELP builds binaries for one platform ($OS/$ARCH)
all: build
# For the following OS/ARCH expansions, we transform OS/ARCH into OS_ARCH
# because make pattern rules don't match with embedded '/' characters.
build-%:
@$(MAKE) build \
--no-print-directory \
GOOS=$(firstword $(subst _, ,$*)) \
GOARCH=$(lastword $(subst _, ,$*))
container-%:
@$(MAKE) container \
--no-print-directory \
GOOS=$(firstword $(subst _, ,$*)) \
GOARCH=$(lastword $(subst _, ,$*))
push-%:
@$(MAKE) push \
--no-print-directory \
GOOS=$(firstword $(subst _, ,$*)) \
GOARCH=$(lastword $(subst _, ,$*))
all-build: # @HELP builds binaries for all platforms
all-build: $(addprefix build-, $(subst /,_, $(ALL_PLATFORMS)))
all-container: # @HELP builds containers for all platforms
all-container: $(addprefix container-, $(subst /,_, $(ALL_PLATFORMS)))
all-push: # @HELP pushes containers for all platforms to the defined registry
all-push: $(addprefix push-, $(subst /,_, $(ALL_PLATFORMS)))
build: $(foreach bin,$(BINS),bin/$(OS)_$(ARCH)/$(bin))
fmt: # @HELP formats the code
@echo "formatting code"
/bin/sh -c "./build/format.sh"
# Directories that we need created to build/test.
BUILD_DIRS := bin/$(OS)_$(ARCH) \
.go/bin/$(OS)_$(ARCH) \
.go/cache
# The following structure defeats Go's (intentional) behavior to always touch
# result files, even if they have not changed. This will still run `go` but
# will not trigger further work if nothing has actually changed.
OUTBINS = $(foreach bin,$(BINS),bin/$(OS)_$(ARCH)/$(bin))
# Each outbin target is just a facade for the respective stampfile target.
# This `eval` establishes the dependencies for each.
$(foreach outbin,$(OUTBINS),$(eval \
$(outbin): .go/$(outbin).stamp \
))
# This is the target definition for all outbins.
$(OUTBINS):
@true
# Each stampfile target can reference an $(OUTBIN) variable.
$(foreach outbin,$(OUTBINS),$(eval $(strip \
.go/$(outbin).stamp: OUTBIN = $(outbin) \
)))
# This is the target definition for all stampfiles.
# This will build the binary under ./.go and update the real binary iff needed.
STAMPS = $(foreach outbin,$(OUTBINS),.go/$(outbin).stamp)
.PHONY: $(STAMPS)
$(STAMPS): go-build
@echo "binary: $(OUTBIN)"
@if ! cmp -s .go/$(OUTBIN) $(OUTBIN); then \
mv .go/$(OUTBIN) $(OUTBIN); \
date >$@; \
fi
# This runs the actual `go build` which updates all binaries.
go-build: $(BUILD_DIRS)
@docker run \
-i \
--rm \
-u $$(id -u):$$(id -g) \
-v $$(pwd):/src \
-w /src \
-v $$(pwd)/.go/bin/$(OS)_$(ARCH):/go/bin \
-v $$(pwd)/.go/bin/$(OS)_$(ARCH):/go/bin/$(OS)_$(ARCH) \
-v $$(pwd)/.go/cache:/.cache \
--env HTTP_PROXY=$(HTTP_PROXY) \
--env HTTPS_PROXY=$(HTTPS_PROXY) \
$(BUILD_IMAGE) \
/bin/sh -c " \
ARCH=$(ARCH) \
OS=$(OS) \
VERSION=$(VERSION) \
./build/build.sh \
"
# Example: make shell CMD="-c 'date > datefile'"
shell: # @HELP launches a shell in the containerized build environment
shell: $(BUILD_DIRS)
@echo "launching a shell in the containerized build environment"
@docker run \
-ti \
--rm \
-u $$(id -u):$$(id -g) \
-v $$(pwd):/src \
-w /src \
-v $$(pwd)/.go/bin/$(OS)_$(ARCH):/go/bin \
-v $$(pwd)/.go/bin/$(OS)_$(ARCH):/go/bin/$(OS)_$(ARCH) \
-v $$(pwd)/.go/cache:/.cache \
--env HTTP_PROXY=$(HTTP_PROXY) \
--env HTTPS_PROXY=$(HTTPS_PROXY) \
$(BUILD_IMAGE) \
/bin/sh $(CMD)
CONTAINER_DOTFILES = $(foreach bin,$(BINS),.container-$(subst /,_,$(REGISTRY)/$(bin))-$(TAG))
container containers: # @HELP builds containers for one platform ($OS/$ARCH)
container containers: $(CONTAINER_DOTFILES)
@for bin in $(BINS); do \
echo "container: $(REGISTRY)/$$bin:$(TAG)"; \
done
# Each container-dotfile target can reference a $(BIN) variable.
# This is done in 2 steps to enable target-specific variables.
$(foreach bin,$(BINS),$(eval $(strip \
.container-$(subst /,_,$(REGISTRY)/$(bin))-$(TAG): BIN = $(bin) \
)))
$(foreach bin,$(BINS),$(eval \
.container-$(subst /,_,$(REGISTRY)/$(bin))-$(TAG): bin/$(OS)_$(ARCH)/$(bin) Dockerfile.in \
))
# This is the target definition for all container-dotfiles.
# These are used to track build state in hidden files.
$(CONTAINER_DOTFILES):
@sed \
-e 's|{ARG_BIN}|$(BIN)|g' \
-e 's|{ARG_ARCH}|$(ARCH)|g' \
-e 's|{ARG_OS}|$(OS)|g' \
-e 's|{REGISTRY}|$(BASEIMAGE)|g' \
Dockerfile.in > .dockerfile-$(BIN)-$(OS)_$(ARCH)
@docker build -t $(REGISTRY)/$(BIN):$(TAG) -f .dockerfile-$(BIN)-$(OS)_$(ARCH) .
@docker images -q $(REGISTRY)/$(BIN):$(TAG) > $@
@echo
push: # @HELP pushes the container for one platform ($OS/$ARCH) to the defined registry
push: $(CONTAINER_DOTFILES)
@for bin in $(BINS); do \
docker push $(REGISTRY)/$$bin:$(TAG); \
done
manifest-list: # @HELP builds a manifest list of containers for all platforms
manifest-list: all-push
@for bin in $(BINS); do \
platforms=$$(echo $(ALL_PLATFORMS) | sed 's/ /,/g'); \
manifest-tool \
--username=oauth2accesstoken \
--password=$$(gcloud auth print-access-token) \
push from-args \
--platforms "$$platforms" \
--template $(REGISTRY)/$$bin:$(VERSION)__OS_ARCH \
--target $(REGISTRY)/$$bin:$(VERSION)
version: # @HELP outputs the version string
version:
@echo $(VERSION)
test: # @HELP runs tests, as defined in ./build/test.sh
test: $(BUILD_DIRS)
@docker run \
-i \
--rm \
-u $$(id -u):$$(id -g) \
-v $$(pwd):/src \
-w /src \
-v $$(pwd)/.go/bin/$(OS)_$(ARCH):/go/bin \
-v $$(pwd)/.go/bin/$(OS)_$(ARCH):/go/bin/$(OS)_$(ARCH) \
-v $$(pwd)/.go/cache:/.cache \
--env HTTP_PROXY=$(HTTP_PROXY) \
--env HTTPS_PROXY=$(HTTPS_PROXY) \
$(BUILD_IMAGE) \
/bin/sh -c " \
ARCH=$(ARCH) \
OS=$(OS) \
VERSION=$(VERSION) \
./build/test.sh $(SRC_DIRS) \
"
$(BUILD_DIRS):
@mkdir -p $@
clean: # @HELP removes built binaries and temporary files
clean: container-clean bin-clean
container-clean:
rm -rf .container-* .dockerfile-*
bin-clean:
rm -rf .go bin
help: # @HELP prints this message
help:
@echo "VARIABLES:"
@echo " BINS = $(BINS)"
@echo " OS = $(OS)"
@echo " ARCH = $(ARCH)"
@echo " REGISTRY = $(REGISTRY)"
@echo
@echo "TARGETS:"
@grep -E '^.*: *# *@HELP' $(MAKEFILE_LIST) \
| awk ' \
BEGIN {FS = ": *# *@HELP"}; \
{ printf " %-30s %s\n", $$1, $$2 }; \
'
###
# kubebuilder targets
###
# TODO: to make it work with kubectl kustomize edit
# Image URL to use all building/pushing image targets
# CONTROLLER_MANAGER_IMAGE ?= public.ecr.aws/practo/redshiftsink:latest
# Produce CRDs that work back to Kubernetes 1.11 (no version conversion)
CRD_OPTIONS ?= "crd:trivialVersions=true"
# Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)
ifeq (,$(shell go env GOBIN))
GOBIN=$(shell go env GOPATH)/bin
else
GOBIN=$(shell go env GOBIN)
endif
# Generate manifests e.g. CRD, RBAC etc.
# find or download controller-gen
# download controller-gen if necessary
controller-gen:
ifeq (, $(shell which controller-gen))
@{ \
set -e ;\
CONTROLLER_GEN_TMP_DIR=$$(mktemp -d) ;\
cd $$CONTROLLER_GEN_TMP_DIR ;\
go mod init tmp ;\
go get sigs.k8s.io/controller-tools/cmd/controller-gen@v0.2.5 ;\
rm -rf $$CONTROLLER_GEN_TMP_DIR ;\
}
CONTROLLER_GEN=$(GOBIN)/controller-gen
else
CONTROLLER_GEN=$(shell which controller-gen)
endif
manifests: controller-gen
$(CONTROLLER_GEN) $(CRD_OPTIONS) rbac:roleName=operator-role webhook paths="./..." output:crd:artifacts:config=config/crd/bases
# Install CRDs into a cluster
install: manifests
kubectl kustomize config/crd | kubectl apply -f -
# Deploy controller in the configured Kubernetes cluster in ~/.kube/config
deploy: manifests
kubectl kustomize config/default | kubectl apply -f -
# Generate code
generate: controller-gen
$(CONTROLLER_GEN) object:headerFile="build/boilerplate.go.txt" paths="./..."
# Run go vet against code
vet:
go vet ./...
# Run against the configured Kubernetes cluster in ~/.kube/config
run: generate fmt vet manifests
go run ./cmd/redshiftsink/main.go