# Image URL to use all building/pushing image targets
IMG ?= fluxcd/image-automation-controller:latest
# Produce CRDs that work back to Kubernetes 1.16
CRD_OPTIONS ?= crd:crdVersions=v1

# Version of the source-controller from which to get the GitRepository CRD.
# Change this if you bump the source-controller/api version in go.mod.
SOURCE_VER ?= v0.13.0

# Version of the image-reflector-controller from which to get the ImagePolicy CRD.
# Change this if you bump the image-reflector-controller/api version in go.mod.
REFLECTOR_VER ?= v0.9.1

# 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

TEST_CRDS:=controllers/testdata/crds

all: manager

# Running the tests requires the source.toolkit.fluxcd.io CRDs
test_deps: ${TEST_CRDS}/imagepolicies_${REFLECTOR_VER}.yaml ${TEST_CRDS}/gitrepositories_${SOURCE_VER}.yaml

clean_test_deps:
	rm -r ${TEST_CRDS}

${TEST_CRDS}/gitrepositories_${SOURCE_VER}.yaml:
	mkdir -p ${TEST_CRDS}
	curl -s --fail https://raw.githubusercontent.com/fluxcd/source-controller/${SOURCE_VER}/config/crd/bases/source.toolkit.fluxcd.io_gitrepositories.yaml \
		-o ${TEST_CRDS}/gitrepositories_${SOURCE_VER}.yaml

${TEST_CRDS}/imagepolicies_${REFLECTOR_VER}.yaml:
	mkdir -p ${TEST_CRDS}
	curl -s --fail https://raw.githubusercontent.com/fluxcd/image-reflector-controller/${REFLECTOR_VER}/config/crd/bases/image.toolkit.fluxcd.io_imagepolicies.yaml \
		-o ${TEST_CRDS}/imagepolicies_${REFLECTOR_VER}.yaml

# Run tests
test: test_deps generate fmt vet manifests api-docs
	go test ./... -coverprofile cover.out
	cd api; go test ./... -coverprofile cover.out

# Build manager binary
manager: generate fmt vet
	go build -o bin/manager main.go

# Run against the configured Kubernetes cluster in ~/.kube/config
run: generate fmt vet manifests
	go run ./main.go

# Install CRDs into a cluster
install: manifests
	kustomize build config/crd | kubectl apply -f -

# Uninstall CRDs from a cluster
uninstall: manifests
	kustomize build config/crd | kubectl delete -f -

# Deploy controller in the configured Kubernetes cluster in ~/.kube/config
deploy: manifests
	cd config/manager && kustomize edit set image fluxcd/image-automation-controller=${IMG}
	kustomize build config/default | kubectl apply -f -

dev-deploy: manifests
	mkdir -p config/dev && cp config/default/* config/dev
	cd config/dev && kustomize edit set image fluxcd/image-automation-controller=${IMG}
	kustomize build config/dev | kubectl apply -f -
	rm -rf config/dev

# Generate manifests e.g. CRD, RBAC etc.
manifests: controller-gen
	cd api; $(CONTROLLER_GEN) $(CRD_OPTIONS) rbac:roleName=manager-role paths="./..." output:crd:artifacts:config="../config/crd/bases"

# Generate API reference documentation
api-docs: gen-crd-api-reference-docs
	$(API_REF_GEN) -api-dir=./api/v1alpha2 -config=./hack/api-docs/config.json -template-dir=./hack/api-docs/template -out-file=./docs/api/image-automation.md

# Run go mod tidy
tidy:
	cd api; rm -f go.sum; go mod tidy
	rm -f go.sum; go mod tidy

# Run go fmt against code
fmt:
	go fmt ./...
	cd api; go fmt ./...

# Run go vet against code
vet:
	go vet ./...
	cd api; go vet ./...

# Generate code
generate: controller-gen
	cd api; $(CONTROLLER_GEN) object:headerFile="../hack/boilerplate.go.txt" paths="./..."

# Build the docker image
docker-build: test
	docker build . -t ${IMG}

# Push the docker image
docker-push:
	docker push ${IMG}

# Set the docker image in-cluster
docker-deploy:
	kubectl -n flux-system set image deployment/image-automation-controller manager=${IMG}

# 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@v0.4.1 ;\
	rm -rf $$CONTROLLER_GEN_TMP_DIR ;\
	}
CONTROLLER_GEN=$(GOBIN)/controller-gen
else
CONTROLLER_GEN=$(shell which controller-gen)
endif

# Find or download gen-crd-api-reference-docs
gen-crd-api-reference-docs:
ifeq (, $(shell which gen-crd-api-reference-docs))
	@{ \
	set -e ;\
	API_REF_GEN_TMP_DIR=$$(mktemp -d) ;\
	cd $$API_REF_GEN_TMP_DIR ;\
	go mod init tmp ;\
	go get github.com/ahmetb/gen-crd-api-reference-docs@v0.2.0 ;\
	rm -rf $$API_REF_GEN_TMP_DIR ;\
	}
API_REF_GEN=$(GOBIN)/gen-crd-api-reference-docs
else
API_REF_GEN=$(shell which gen-crd-api-reference-docs)
endif