add makefile

Makefile

@@ -0,0 +1,57 @@
+GOPKG=go.equinixmetal.net/infra9-metal-bridge
+
+ROOT_DIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
+TOOLS_DIR := .tools
+
+GO_FILES=$(shell git ls-files '*.go')
+
+GOTOOLS_REPO = golang.org/x/tools
+GOTOOLS_VERSION = v0.9.3
+
+GOLANGCI_LINT_REPO = github.com/golangci/golangci-lint
+GOLANGCI_LINT_VERSION = v1.51.2
+
+.PHONY: all help lint test golint fix-lint unit-test coverage privkey
+
+
+help: Makefile ## Print help.
+	@grep -h "##" $(MAKEFILE_LIST) | grep -v grep | sed -e 's/:.*##/#/' | column -c 2 -t -s#
+
+all: lint test  ## Lints and tests.
+
+lint: golint  ## Runs all lint checks.
+
+golint: | $(TOOLS_DIR)/golangci-lint  ## Runs Go lint checks.
+	@echo Linting Go files...
+	@$(TOOLS_DIR)/golangci-lint run --timeout=5m
+
+fix-lint: $(GO_FILES) | $(TOOLS_DIR)/goimports  ## Runs goimports on all go files.
+	@echo Linting go files...
+	@$(TOOLS_DIR)/goimports -w -local $(GOPKG) $^
+
+test: | unit-test  ## Regenerate files and run unit tests.
+
+unit-test:  ## Runs unit tests.
+	@echo Running unit tests...
+	@go test -timeout 30s -cover -short ./...
+
+.PHONY: coverage
+coverage:  ## Generates a test coverage report.
+	@echo Generating coverage report...
+	@go test -timeout 30s ./... -coverprofile=coverage.out -covermode=atomic
+	@go tool cover -func=coverage.out
+	@go tool cover -html=coverage.out
+
+# Tools setup
+$(TOOLS_DIR):
+	mkdir -p $(TOOLS_DIR)
+
+$(TOOLS_DIR)/goimports: | $(TOOLS_DIR)
+	@echo "Installing $(GOTOOLS_REPO)/cmd/goimports@$(GOTOOLS_VERSION)"
+	@GOBIN=$(ROOT_DIR)/$(TOOLS_DIR) go install $(GOTOOLS_REPO)/cmd/goimports@$(GOTOOLS_VERSION)
+
+$(TOOLS_DIR)/golangci-lint: | $(TOOLS_DIR)
+	@echo "Installing $(GOLANGCI_LINT_REPO)/cmd/golangci-lint@$(GOLANGCI_LINT_VERSION)"
+	@GOBIN=$(ROOT_DIR)/$(TOOLS_DIR) go install $(GOLANGCI_LINT_REPO)/cmd/golangci-lint@$(GOLANGCI_LINT_VERSION)
+	$@ version
+	$@ linters