Makefile

SOURCES_DIRS      = cmd pkg
SOURCES_DIRS_GO   = ./pkg/... ./cmd/...
SOURCES_API_DIR   = ./pkg/apis/kubic

GO             := GO111MODULE=on GO15VENDOREXPERIMENT=1 go
GO_NOMOD       := GO111MODULE=off go
GO_VERSION     := $(shell $(GO) version | sed -e 's/^[^0-9.]*\([0-9.]*\).*/\1/')
GO_VERSION_MAJ := $(shell echo $(GO_VERSION) | cut -f1 -d'.')
GO_VERSION_MIN := $(shell echo $(GO_VERSION) | cut -f2 -d'.')
GO_BIN         := $(shell [ -n "${GOBIN}" ] && echo ${GOBIN} || (echo `echo ${GOPATH} | cut -f1 -d':'`/bin))

DEEPCOPY_GENERATOR := $(GO_BIN)/deepcopy-gen
KUSTOMIZE          := $(GO_BIN)/kustomize

# go source files, ignore vendor directory
REGS_OPER_SRCS           = $(shell find $(SOURCES_DIRS) -type f -name '*.go' -not -path "*generated*")
REGS_OPER_MAIN_SRCS      = $(shell find $(SOURCES_DIRS) -type f -name '*.go' -not -path "*_test.go")
REGS_OPER_GEN_SRCS       = $(shell grep -l -r "//go:generate" $(SOURCES_DIRS) 2>/dev/null)
REGS_OPER_CRD_TYPES_SRCS = $(shell find $(SOURCES_API_DIR) -type f -name "*_types.go")

REGS_OPER_EXE  = cmd/registries-operator/registries-operator
REGS_OPER_MAIN = cmd/registries-operator/main.go
.DEFAULT_GOAL: $(REGS_OPER_EXE)

# These will be provided to the target
REGS_OPER_VERSION := 1.0.0
REGS_OPER_BUILD   := `git rev-parse HEAD 2>/dev/null`

# Use linker flags to provide version/build settings to the target
REGS_OPER_LDFLAGS = -ldflags "-X=main.Version=$(REGS_OPER_VERSION) -X=main.Build=$(REGS_OPER_BUILD)"

# the deployment manifest for the operator
REGS_DEPLOY = deployments/registries-operator-full.yaml

# the kubebuilder generator
CONTROLLER_GEN     := sigs.k8s.io/controller-tools/cmd/controller-gen

#############################################################
# Build targets
#############################################################

all: $(REGS_OPER_EXE)

#
# NOTE: we are currently not using the RBAC rules generated by kubebuilder:
#       we are just assigning the "cluster-admin" role to the manager (as we
#       must generate ClusterRoles/ClusterRoleBindings)
# TODO: investigate if we can reduce these privileges...
#
#manifests-rbac:
#	@echo ">>> Creating RBAC manifests..."
#	@rm -rf config/rbac/*.yaml
#	@$(GO) run ${CONTROLLER_GEN} rbac --name $(CONTROLLER_GEN_RBAC_NAME)

# Generate manifests e.g. CRD, RBAC etc.
manifests: $(REGS_DEPLOY)

#############################################################
# Analyze targets
#############################################################

.PHONY: fmt
fmt: $(REGS_OPER_SRCS)
	@echo ">>> Reformatting code"
	@$(GO) fmt $(SOURCES_DIRS_GO)

.PHONY: simplify
simplify:
	@gofmt -s -l -w $(REGS_OPER_SRCS)

.PHONY: golint
golint:
	-@$(GO_NOMOD) get -u golang.org/x/lint/golint

.PHONY: check
check: fmt golint 
	@for d in $$($(GO) list ./... | grep -v /vendor/); do golint -set_exit_status $${d}; done
	@$(GO) tool vet ${REGS_OPER_SRCS}

.PHONY: test
test:
	@$(GO) test -short -v $(SOURCES_DIRS_GO) -coverprofile cover.out

.PHONY: integration
integration: controller-gen
	@$(GO) test -v $(SOURCES_DIRS_GO) -coverprofile cover.out

.PHONY: clean
clean: docker-image-clean
	rm -f $(REGS_OPER_EXE) go.sum
#	rm -rf `find . -name zz_generated.deepcopy.go` go.sum


 #############################################################
 # Support targets
 #############################################################

$(KUSTOMIZE):
	@echo ">>> Getting kustomize..."
	-@$(GO_NOMOD) get -u sigs.k8s.io/kustomize

# NOTE: deepcopy-gen doesn't support go1.11's modules, so we must 'go get' it
$(DEEPCOPY_GENERATOR):
	@[ -n "${GOPATH}" ] || ( echo "FATAL: GOPATH not defined" ; exit 1 ; )
	@echo ">>> Getting deepcopy-gen (for $(DEEPCOPY_GENERATOR))"
	-@$(GO_NOMOD) get    -u k8s.io/code-generator/cmd/deepcopy-gen
	-@$(GO_NOMOD) get -d -u k8s.io/apimachinery

generate: $(REGS_OPER_GEN_SRCS) $(DEEPCOPY_GENERATOR)
	 @echo ">>> Generating files..."
	 @$(GO) generate -x $(SOURCES_DIRS_GO)

$(REGS_OPER_EXE): $(REGS_OPER_MAIN_SRCS) go-version-check
	 @echo ">>> Building $(REGS_OPER_EXE)..."
	 $(GO) build $(REGS_OPER_LDFLAGS) -o $(REGS_OPER_EXE) $(REGS_OPER_MAIN)

controller-gen: $(REGS_OPER_CRD_TYPES_SRCS)
	 @echo ">>> Creating manifests..."
	 @$(GO) run $(CONTROLLER_GEN) all

$(REGS_DEPLOY): $(KUSTOMIZE) controller-gen
	 @echo ">>> Collecting all the manifests for generating $(REGS_DEPLOY)..."
	 @rm -f $(REGS_DEPLOY)
	 @echo "#" >> $(REGS_DEPLOY)
	 @echo "# DO NOT EDIT! Generated automatically with 'make $(REGS_DEPLOY)'" >> $(REGS_DEPLOY)
	 @echo "#              from files in 'config/*'" >> $(REGS_DEPLOY)
	 @echo "#" >> $(REGS_DEPLOY)
	 @for i in $(shell find config/sas config/crds -name '*.yaml') ; do \
	         echo -e "\n---" >> $(REGS_DEPLOY) ; \
	         cat $$i >> $(REGS_DEPLOY) ; \
	 done
	 @echo -e "\n---" >> $(REGS_DEPLOY)
	 @kustomize build config/default >> $(REGS_DEPLOY)

#############################################################
# Other stuff
#############################################################
go-version-check:
	@[ $(GO_VERSION_MAJ) -ge 2 ] || \
	 [ $(GO_VERSION_MAJ) -eq 1 -a $(GO_VERSION_MIN) -ge 11 ] || (echo "FATAL: Go version:$(GO_VERSION) does not support modules" ; exit 1 ; )


-include build/make/*.mk