# 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.

VERSIONFILE := pkg/util/defaults/defaults.go
VERSION := 1.3.2
OPERATOR_VERSION := $(subst -SNAPSHOT,,$(VERSION))
LAST_RELEASED_VERSION := 1.3.1
RUNTIME_VERSION := 1.6.0
BUILDAH_VERSION := 1.14.0
KANIKO_VERSION := 0.17.1
BASE_IMAGE := adoptopenjdk/openjdk11:slim
LOCAL_REPOSITORY := /tmp/artifacts/m2
IMAGE_NAME := docker.io/apache/camel-k
RELEASE_GIT_REMOTE := upstream
GIT_COMMIT := $(shell git rev-list -1 HEAD)
LINT_GOGC := 10
LINT_DEADLINE := 10m

# Used to push pre-release artifacts
STAGING_IMAGE_NAME := docker.io/camelk/camel-k

STAGING_RUNTIME_REPO :=

# Define here the repo containing the default Kamelet catalog (if any)
KAMELET_CATALOG_REPO :=
# Optional branch for the default Kamelet catalog
KAMELET_CATALOG_REPO_BRANCH :=

# When packaging artifacts into the docker image, you can "copy" them from local maven
# or "download" them from Apache Snapshots and Maven Central
PACKAGE_ARTIFACTS_STRATEGY := copy

# OLM (Operator Lifecycle Manager and Operator Hub): uncomment to override operator settings at build time
#GOLDFLAGS += -X github.com/apache/camel-k/pkg/util/olm.DefaultOperatorName=camel-k-operator
#GOLDFLAGS += -X github.com/apache/camel-k/pkg/util/olm.DefaultPackage=camel-k
#GOLDFLAGS += -X github.com/apache/camel-k/pkg/util/olm.DefaultChannel=alpha
#GOLDFLAGS += -X github.com/apache/camel-k/pkg/util/olm.DefaultSource=community-operators
#GOLDFLAGS += -X github.com/apache/camel-k/pkg/util/olm.DefaultSourceNamespace=openshift-marketplace
#GOLDFLAGS += -X github.com/apache/camel-k/pkg/util/olm.DefaultStartingCSV=
#GOLDFLAGS += -X github.com/apache/camel-k/pkg/util/olm.DefaultGlobalNamespace=openshift-operators

# 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

# Build
GOLDFLAGS += -X github.com/apache/camel-k/pkg/cmd/operator.GitCommit=$(GIT_COMMIT)
GOFLAGS = -ldflags "$(GOLDFLAGS)" -trimpath

define LICENSE_HEADER
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.
endef

export LICENSE_HEADER
default: test

# Generates the version file
codegen:
	@echo "/*" > $(VERSIONFILE)
	@echo "$$LICENSE_HEADER" >> $(VERSIONFILE)
	@echo "*/" >> $(VERSIONFILE)
	@echo "" >> $(VERSIONFILE)
	@echo "package defaults" >> $(VERSIONFILE)
	@echo "" >> $(VERSIONFILE)
	@echo "// ***********************" >> $(VERSIONFILE)
	@echo "//  DO NOT EDIT THIS FILE"  >> $(VERSIONFILE)
	@echo "// ***********************" >> $(VERSIONFILE)
	@echo "" >> $(VERSIONFILE)
	@echo "const (" >> $(VERSIONFILE)
	@echo "  // Version -- " >> $(VERSIONFILE)
	@echo "  Version = \"$(VERSION)\"" >> $(VERSIONFILE)
	@echo "" >> $(VERSIONFILE)
	@echo "  // DefaultRuntimeVersion -- " >> $(VERSIONFILE)
	@echo "  DefaultRuntimeVersion = \"$(RUNTIME_VERSION)\"" >> $(VERSIONFILE)
	@echo "" >> $(VERSIONFILE)
	@echo "  // BuildahVersion -- " >> $(VERSIONFILE)
	@echo "  BuildahVersion = \"$(BUILDAH_VERSION)\"" >> $(VERSIONFILE)
	@echo "" >> $(VERSIONFILE)
	@echo "  // KanikoVersion -- " >> $(VERSIONFILE)
	@echo "  KanikoVersion = \"$(KANIKO_VERSION)\"" >> $(VERSIONFILE)
	@echo "" >> $(VERSIONFILE)
	@echo "  // baseImage -- " >> $(VERSIONFILE)
	@echo "  baseImage = \"$(BASE_IMAGE)\"" >> $(VERSIONFILE)
	@echo "" >> $(VERSIONFILE)
	@echo "  // LocalRepository -- " >> $(VERSIONFILE)
	@echo "  LocalRepository = \"$(LOCAL_REPOSITORY)\"" >> $(VERSIONFILE)
	@echo "" >> $(VERSIONFILE)
	@echo "  // ImageName -- " >> $(VERSIONFILE)
	@echo "  ImageName = \"$(IMAGE_NAME)\"" >> $(VERSIONFILE)
	@echo ")" >> $(VERSIONFILE)
	@echo "" >> $(VERSIONFILE)
	gofmt -w pkg/util/defaults/defaults.go

generate: generate-deepcopy generate-crd generate-client generate-doc generate-json-schema generate-strimzi

generate-client:
	./script/gen_client.sh

generate-crd: controller-gen
	CONTROLLER_GEN=$(CONTROLLER_GEN) ./script/gen_crd.sh

generate-doc:
	./script/gen_doc.sh

generate-deepcopy: controller-gen
	cd pkg/apis/camel && $(CONTROLLER_GEN) paths="./..." object

generate-json-schema:
	./script/gen_json_schema.sh $(RUNTIME_VERSION) $(STAGING_RUNTIME_REPO)

generate-strimzi:
	cd addons/strimzi/duck && $(CONTROLLER_GEN) paths="./..." object
	./script/gen_client_strimzi.sh

build: build-resources build-kamel build-compile-integration-tests build-submodules

test: build
	go test ./...

test-integration: build
	STAGING_RUNTIME_REPO="$(STAGING_RUNTIME_REPO)" go test -timeout 60m -v ./e2e/common -tags=integration && go test -timeout 60m -v ./e2e/common/languages -tags=integration
	#go test -timeout 60m -v ./e2e/common -tags=integration

test-knative: build
	STAGING_RUNTIME_REPO="$(STAGING_RUNTIME_REPO)" go test -timeout 60m -v ./e2e/knative -tags=integration
	#go test -timeout 60m -v ./e2e/knative -tags=integration

test-builder: build
	STAGING_RUNTIME_REPO="$(STAGING_RUNTIME_REPO)" go test -timeout 60m -v ./e2e/builder -tags=integration
	#go test -timeout 60m -v ./e2e/builder -tags=integration

test-local: build
	STAGING_RUNTIME_REPO="$(STAGING_RUNTIME_REPO)" go test -timeout 60m -v ./e2e/local -tags=integration
	#go test -timeout 60m -v ./e2e/local -tags=integration

build-kamel:
# Ensure the binary is statically linked when building on Linux due to ABI changes in newer glibc 2.32, otherwise
# it would not run on older versions. See https://github.com/apache/camel-k/pull/2141#issuecomment-800990117
ifeq ($(shell uname -s 2>/dev/null || echo Unknown),Linux)
	CGO_ENABLED=0 go build $(GOFLAGS) -o kamel ./cmd/kamel/*.go
else
	go build $(GOFLAGS) -o kamel ./cmd/kamel/*.go
endif

build-resources: bundle-kamelets
	./script/build_catalog.sh $(RUNTIME_VERSION) -Dcatalog.file=camel-catalog-$(RUNTIME_VERSION).yaml -Dcatalog.runtime=quarkus -Dstaging.repo="$(STAGING_RUNTIME_REPO)"
	./script/embed_resources.sh deploy

bundle-kamelets:
	./script/bundle_kamelets.sh $(KAMELET_CATALOG_REPO) $(KAMELET_CATALOG_REPO_BRANCH)

build-submodules:
	./script/build_submodules.sh

build-olm:
	./script/build_olm.sh $(VERSION)

build-compile-integration-tests:
	go test -c -tags="integration" ./e2e/common
	go test -c -tags="integration" ./e2e/knative
	go test -c -tags="integration" ./e2e/builder

clean:
	# disable gomodules when executing go clean:
	#
	#    https://github.com/golang/go/issues/31002
	#
	GO111MODULE=off go clean
	rm -f camel-k
	rm -f kamel
	rm -f *.test
	rm -rf build/_maven_output
	rm -rf build/_output
	rm -rf camel-k-client-*.tar.gz
	rm -rf camel-k-examples-*.tar.gz

version:
	@echo $(VERSION)

dep:
	go mod tidy

lint:
	GOGC=$(LINT_GOGC) golangci-lint run --verbose --deadline $(LINT_DEADLINE)

lint-fix:
	GOGC=$(LINT_GOGC) golangci-lint run --verbose --deadline $(LINT_DEADLINE) --fix


check-licenses:
	./script/check_licenses.sh

images: test
	mkdir -p build/_maven_output
	mkdir -p build/_output/bin
ifneq ($(shell uname -s 2>/dev/null || echo Unknown),Linux)
	GOOS=linux go build $(GOFLAGS) -o build/_output/bin/kamel ./cmd/kamel/*.go
else
	cp kamel build/_output/bin
endif
	docker build -t $(IMAGE_NAME):$(VERSION) -f build/Dockerfile .

images-dev: test package-artifacts
	mkdir -p build/_maven_output
	mkdir -p build/_output/bin
ifneq ($(shell uname -s 2>/dev/null || echo Unknown),Linux)
	GOOS=linux go build $(GOFLAGS) -o build/_output/bin/kamel ./cmd/kamel/*.go
else
	cp kamel build/_output/bin
endif
	docker build -t $(IMAGE_NAME):$(VERSION) -f build/Dockerfile .

images-push:
	docker push $(IMAGE_NAME):$(VERSION)

images-push-staging:
	docker tag $(IMAGE_NAME):$(VERSION) $(STAGING_IMAGE_NAME):$(VERSION)
	docker push $(STAGING_IMAGE_NAME):$(VERSION)

set-version:
	./script/set_version.sh $(VERSION) $(IMAGE_NAME)

set-module-version:
	./script/set_go_modules_version.sh $(VERSION)

git-tag:
	./script/git_tag.sh $(VERSION) $(RELEASE_GIT_REMOTE)

cross-compile:
	./script/cross_compile.sh $(VERSION) '$(GOFLAGS)'

package-examples:
	./script/package_examples.sh $(VERSION)

package-artifacts:
	./script/package_maven_artifacts.sh $(RUNTIME_VERSION) $(PACKAGE_ARTIFACTS_STRATEGY) $(STAGING_RUNTIME_REPO)

unsnapshot-olm:
	./script/unsnapshot_olm.sh

release: clean codegen set-module-version set-version build-resources check-licenses unsnapshot-olm build images images-push cross-compile package-examples git-tag

release-staging: clean codegen set-module-version set-version build-resources check-licenses unsnapshot-olm build images images-push-staging cross-compile package-examples git-tag

release-nightly: clean codegen set-module-version set-version build-resources build images images-push cross-compile package-examples

release-helm:
	./script/release_helm.sh

install-crc:
	./script/install_crc.sh $(VERSION)
install-minishift:
	./script/install_minishift.sh
install-minikube:
	./script/install_minikube.sh

release-notes:
	./script/gen_release_notes.sh $(LAST_RELEASED_VERSION) $(VERSION)

get-staging-repo:
	@echo $(or ${STAGING_RUNTIME_REPO},https://repository.apache.org/content/repositories/snapshots@id=apache-snapshots@snapshots)

get-version:
	@echo $(VERSION)

.PHONY: build build-kamel build-resources build-olm unsnapshot-olm dep codegen images images-dev images-push images-push-staging test check test-integration clean release cross-compile package-examples set-version git-tag release-notes check-licenses generate-deepcopy generate-client generate-doc build-resources release-helm release-staging release-nightly get-staging-repo get-version build-submodules set-module-version bundle-kamelets generate-strimzi

# find or 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

kustomize:
ifeq (, $(shell which kustomize))
	@{ \
	set -e ;\
	KUSTOMIZE_GEN_TMP_DIR=$$(mktemp -d) ;\
	cd $$KUSTOMIZE_GEN_TMP_DIR ;\
	go mod init tmp ;\
	go get sigs.k8s.io/kustomize/kustomize/v3@v3.5.4 ;\
	rm -rf $$KUSTOMIZE_GEN_TMP_DIR ;\
	}
KUSTOMIZE=$(GOBIN)/kustomize
else
KUSTOMIZE=$(shell which kustomize)
endif

.PHONY: generate-crd $(BUNDLE_CAMEL_APIS) bundle bundle-build

# - Have to copy pkg/apis since it is a module in its own right
# - The dependency of v1alpha1 api on v1 results in duplication
#   of the v1 schema in those CRDs so need to split them up
# - No way to add a licence header to the CRD other then post-script
BUNDLE_CAMEL_APIS = v1 v1alpha1

$(BUNDLE_CAMEL_APIS):
	@# Clean up api directory, copy over fresh version
	rm -rf api_$@ && cp -rf pkg/apis api_$@
	@# Remove the camel directory and re-copy only the required api
	rm -rf api_$@/camel/* && cp -rf pkg/apis/camel/$@ api_$@/camel/
	@# operator-sdk generate ... cannot execute across separate modules so need to temporarily move api
	operator-sdk generate kustomize manifests --apis-dir $(addprefix api_, $@) -q
	@# Adds the licence header to the csv file.
	./script/add_license.sh config/manifests ./script/headers/yaml.txt
	@# Clean up temporary working api directories
	rm -rf api_*

bundle: generate-crd $(BUNDLE_CAMEL_APIS)
	@# Build kustomize manifests
	$(KUSTOMIZE) build config/manifests | operator-sdk generate bundle --overwrite --version $(OPERATOR_VERSION) $(BUNDLE_METADATA_OPTS)
	@# Move the dockerfile into the bundle directory
	mv bundle.Dockerfile bundle/Dockerfile && sed -i 's/bundle\///g' bundle/Dockerfile
	@# Adds the licence headers to the csv file
	./script/add_license.sh bundle/manifests ./script/headers/yaml.txt
	@#operator-sdk bundle validate ./bundle

# Build the bundle image
bundle-build:
	cd bundle
	docker build -f Dockerfile -t $(BUNDLE_IMG) .