Makefile.Common

# SRC_ROOT is the top of the source tree.
SRC_ROOT := $(realpath $(dir $(lastword $(MAKEFILE_LIST))))

ALL_SRC := $(shell find . -name '*.go' \
                                -not -path '*/third_party/*' \
                                -type f | sort)

# All source code and documents. Used in spell check.
ALL_SRC_AND_DOC := $(shell find . \( -name "*.md" -o -name "*.go" -o -name "*.yaml" \) \
                                -type f | sort)

# ALL_PKGS is used with 'go cover'
ALL_PKGS := $(shell go list $(sort $(dir $(ALL_SRC))) 2>/dev/null)
# ALL_MODULES includes ./* dirs (excludes . dir)
ALL_MODULES := $(shell find . -type f -name "go.mod" -exec dirname {} \; | sort | egrep  '^./' )

GOTEST_OPT?= -race -timeout 30s
GOTEST_INTEGRATION_OPT?= -race -timeout 60s
GOTEST_OPT_WITH_COVERAGE = $(GOTEST_OPT) -coverprofile=coverage.txt -covermode=atomic
GOTEST_INTEGRATION_OPT_WITH_INTEGRATION=$(GOTEST_INTEGRATION_OPT) -v -tags=integration -run=Integration -coverprofile=integration-coverage.txt -covermode=atomic
GOTEST=go test
GOOS=$(shell go env GOOS)
GOARCH=$(shell go env GOARCH)
ADDLICENCESE= addlicense
MISSPELL=misspell -error
MISSPELL_CORRECTION=misspell -w
STATICCHECK=staticcheck
LINT=golangci-lint
IMPI=impi
# BUILD_TYPE should be one of (dev, release).
BUILD_TYPE?=release

all-modules:
	@echo $(ALL_MODULES) | tr ' ' '\n' | sort

all-pkgs:
	@echo $(ALL_PKGS) | tr ' ' '\n' | sort

all-srcs:
	@echo $(ALL_SRC) | tr ' ' '\n' | sort

.DEFAULT_GOAL := common

.PHONY: common
common: checklicense impi lint misspell test

.PHONY: test
test:
	@set -e; for dir in $(ALL_MODULES); do \
	  echo "go test ./... in $${dir}"; \
	  (cd "$${dir}" && \
	    $(GOTEST) ./... ); \
	done

.PHONY: do-unit-tests-with-cover
do-unit-tests-with-cover:
	@echo "running go unit test ./... + coverage in `pwd`"
	@$(GOTEST) $(GOTEST_OPT_WITH_COVERAGE) ./...
	go tool cover -html=coverage.txt -o coverage.html

.PHONY: run-integration-tests-with-cover
do-integration-tests-with-cover:
	@echo "running go integration test ./... + coverage in `pwd`"
	@$(GOTEST) $(GOTEST_OPT_WITH_INTEGRATION) ./...
	@if [ -e integration-coverage.txt ]; then \
  		go tool cover -html=integration-coverage.txt -o integration-coverage.html; \
  	fi

.PHONY: benchmark
benchmark:
	$(GOTEST) -bench=. -run=notests $(ALL_PKGS)

.PHONY: addlicense
addlicense:
	@ADDLICENCESEOUT=`$(ADDLICENCESE) -y -c 'OpenTelemetry Authors' $(ALL_SRC) 2>&1`; \
		if [ "$$ADDLICENCESEOUT" ]; then \
			echo "$(ADDLICENCESE) FAILED => add License errors:\n"; \
			echo "$$ADDLICENCESEOUT\n"; \
			exit 1; \
		else \
			echo "Add License finished successfully"; \
		fi

.PHONY: checklicense
checklicense:
	@ADDLICENCESEOUT=`$(ADDLICENCESE) -check $(ALL_SRC) 2>&1`; \
		if [ "$$ADDLICENCESEOUT" ]; then \
			echo "$(ADDLICENCESE) FAILED => add License errors:\n"; \
			echo "$$ADDLICENCESEOUT\n"; \
			echo "Use 'make addlicense' to fix this."; \
			exit 1; \
		else \
			echo "Check License finished successfully"; \
		fi

.PHONY: lint-static-check
lint-static-check:
	@STATIC_CHECK_OUT=`$(STATICCHECK) ./... 2>&1`; \
		if [ "$$STATIC_CHECK_OUT" ]; then \
			echo "$(STATICCHECK) FAILED => static check errors:\n"; \
			echo "$$STATIC_CHECK_OUT\n"; \
			exit 1; \
		else \
			echo "Static check finished successfully"; \
		fi


.PHONY: fmt
fmt:
	gofmt  -w -s ./
	goimports -w  -local github.com/open-telemetry/opentelemetry-collector-contrib ./

.PHONY: lint
lint: lint-static-check
	$(LINT) run --allow-parallel-runners

.PHONY: misspell
misspell:
	$(MISSPELL) $(ALL_SRC_AND_DOC)

.PHONY: misspell-correction
misspell-correction:
	$(MISSPELL_CORRECTION) $(ALL_SRC_AND_DOC)

.PHONY: impi
impi:
	@$(IMPI) --local github.com/open-telemetry/opentelemetry-collector-contrib --scheme stdThirdPartyLocal ./...

.PHONY: dep 
dep:
	go mod download