# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

# Image URL to use all building/pushing image targets
IMG ?= controller: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


all: manager

clean:
	rm -rf build/bin
	rm -rf build/release
	rm -rf *.out
	rm -rf *.test

# Run tests
test: generate manifests
	go test ./... -coverprofile cover.out

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

# Run against the configured Kubernetes cluster in ~/.kube/config
run: generate 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 controller=${IMG}
	kustomize build config/default | kubectl apply -f -

# Generate manifests e.g. CRD, RBAC etc.
manifests: controller-gen
	$(CONTROLLER_GEN) $(CRD_OPTIONS) rbac:roleName=manager-role webhook paths="./..." output:crd:artifacts:config=config/crd/bases
	 go run github.com/skywalking-swck/cmd/build license insert config

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

GO_LICENSER := $(GOBIN)/go-licenser
$(GO_LICENSER):
	GO111MODULE=off go get -u github.com/elastic/go-licenser
license: $(GO_LICENSER)
	$(GO_LICENSER) -d -licensor='Apache Software Foundation (ASF)' -exclude=api/v1alpha1/zz_generated* .
	go run github.com/skywalking-swck/cmd/build license check config

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

# Push the docker image
docker-push:
	docker push ${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@v0.2.5 ;\
	rm -rf $$CONTROLLER_GEN_TMP_DIR ;\
	}
CONTROLLER_GEN=$(GOBIN)/controller-gen
else
CONTROLLER_GEN=$(shell which controller-gen)
endif

GOIMPORTS := $(GOBIN)/goimports
$(GOIMPORTS):
	GO111MODULE=off go get -u golang.org/x/tools/cmd/goimports
# The goimports tool does not arrange imports in 3 blocks if there are already more than three blocks.
# To avoid that, before running it, we collapse all imports in one block, then run the formatter.
format: $(GOIMPORTS) ## Format all Go code
	@for f in `find . -name '*.go'`; do \
	    awk '/^import \($$/,/^\)$$/{if($$0=="")next}{print}' $$f > /tmp/fmt; \
	    mv /tmp/fmt $$f; \
	done
	$(GOIMPORTS) -w -local github.com/skywalking-swck .

## Check that the status is consistent with CI.
check: generate manifests license
	$(MAKE) format
	mkdir -p /tmp/artifacts
	git diff >/tmp/artifacts/check.diff 2>&1
	@go mod tidy &> /dev/null
	@if [ ! -z "`git status -s`" ]; then \
		echo "Following files are not consistent with CI:"; \
		git status -s; \
		exit 1; \
	fi

## Code quality and integrity

LINTER := bin/golangci-lint
$(LINTER):
	wget -O - -q https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s v1.23.6
	
lint: $(LINTER)
	$(LINTER) run --config ./golangci.yml

.PHONY: lint

release-manager: generate
	CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build -a -o build/bin/manager-linux-amd64 main.go

RELEASE_SCRIPTS := ./build/package/release.sh

release-binary: release-manager
	${RELEASE_SCRIPTS} -b
	
release-source:
	${RELEASE_SCRIPTS} -s
	
release-sign:
	${RELEASE_SCRIPTS} -k bin
	${RELEASE_SCRIPTS} -k src

release: release-binary release-source release-sign

.PHONY: release-manager release-binary release-source release