Makefile

# SPDX-License-Identifier: Apache-2.0

# Copyright 2021 Djalal Harouni
# Copyright 2017-2020 Authors of Cilium

##@ Default target
all: image/bpflock  ## Default builds bpflock docker image.
	@echo "Build finished."

include Makefile.defs

# We need this to load in-container related variables
ifeq ($(BASE_IMAGE),)
    -include Makefile.docker
else
    export BASE_IMAGE
endif

ifneq ($(strip $(GO)),)
GOFILES_EVAL := $(subst _$(ROOT_DIR)/,,$(shell $(GO) list -find -e ./...))
GOFILES ?= $(GOFILES_EVAL)
TESTPACKAGES := $(shell $(GO_LIST) ./... | grep -v "github.com/linux-lock/bpflock/test/runtime")
endif

define print_help_line
    @printf "  \033[36m%-29s\033[0m %s.\n" $(1) $(2)
endef

# Targets to build
kubectl_bpflock ?= $(BUILDBINS)/kubectl-bpflock

${kubectl_bpflock}:
	CGO_ENABLED=1 $(GO) build ${LDFLAGS} -o $@ ./cmd/kubectl-bpflock

defined-%:
	@: $(if $(value $*),,$(error make failed: $* is undefined))

.PHONY: pre-build
pre-build:
	$(info Build started)
	$(info MKDIR build directories)
	@mkdir -p $(DIST_DIR)
	@mkdir -p $(DIST_BINDIR)
	@mkdir -p $(DIST_BPFDIR)
	@mkdir -p $(BUILDLIB)
	@mkdir -p $(DIST_LIBDIR)

clean: clean-in-container clean-images ## Remove bpflock docker images including builder and clean directories.

##@ Inside container targets

# This builds inside container
.PHONY: bpf-programs
bpf-programs: pre-build ## Builds bpf programs using libbpf (will run inside container).
	$(info MAKE: start building bpf programs)
	$(info MAKE -C bpf all)
	@$(MAKE) -C $(shell pwd)/bpf all

.PHONY: bpflock-daemon
bpflock-daemon: pre-build | defined-BASE_IMAGE ## Build bpflock daemon inside container
	$(info MAKE: start building bpflock daemon inside container)
	$(info MAKE -C cmd all)
	@$(MAKE) -C $(shell pwd)/cmd all

.PHONY: clean-in-container
clean-in-container: ## Clean bpf programs build directories.
	@$(RM) -R $(BUILD)
	@$(MAKE) -C $(shell pwd)/bpf clean
	$(info Clean bpf-tools build directories)

##@ Code checks and tests

.PHONY: govet
govet: ## Run go vet on Go source files of this repository.
	@echo "vetting all GOFILES..."
	$(GO_VET) \
		./api/... \
		./pkg/... \
		./cmd/... \
		./test/helpers/... \
		./test/runtime/...

.PHONY: gofmt
gofmt: ## Run go fmt on Go source files in the repository.
	for pkg in $(GOFILES); do $(GO) fmt $$pkg; done

.PHONY: test
test: ## Run unit tests
	$(GO_TEST) -failfast -v -race $(TESTPACKAGES)

.PHONY: check-code
check-code: gofmt govet test ## Run checks on code

.PHONY: integration
integration: check-code image/bpflock-integration ## Build bpflock-integration tests docker image and run the tests.
	$(GO) test -failfast -count=1 -v ./test/runtime/...

.PHONY: help
help: Makefile
	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n  make \033[36m<target>\033[0m\n"} /^[a-zA-Z0-9_\-/]+:.*?##/ { printf "  \033[36m%-28s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)
	@# There is also a list of target we have to manually put the information about.
	@# These are templated targets.
	$(call print_help_line, "image/bpflock-builder", "Build bpflock-builder docker image")
	$(call print_help_line, "image/bpflock", "Build bpflock docker image")
	$(call print_help_line, "image/bpflock-integration", "Build bpflock-integration tests docker image")