Makefile

# This is a self-documenting Makefile, see https://www.thapaliya.com/en/writings/well-documented-makefiles/
default: help
JSONNET_VENDOR_DIR := vendor_jsonnet


##@ Dependencies

$(JSONNET_VENDOR_DIR): jsonnetfile.json
	jb --jsonnetpkg-home="$(JSONNET_VENDOR_DIR)" install

deps-dashboards: $(JSONNET_VENDOR_DIR) ## Install jsonnet dependencies

node_modules: package.json
	yarn install

deps-frontend: node_modules ## Install Node.js dependencies

deps-backend: ## Install Go dependencies
	go get ./pkg

deps: deps-dashboards deps-frontend deps-backend ## Install all dependencies


##@ Development

dev-frontend: deps-frontend ## Build frontend datasources (development)
	yarn run dev

watch-frontend: deps-frontend dist-dashboards ## Auto rebuilt frontend on file changes
	yarn run watch

dev-backend: deps-backend
	go build -race -o ./dist/datasources/redis/pcp_redis_datasource_$$(go env GOOS)_$$(go env GOARCH) -tags netgo -ldflags -w ./pkg

restart-backend: ## Rebuild and restart backend datasource (as root)
	sudo -u "$$(stat -c '%U' .)" make dev-backend
	killall pcp_redis_datasource_$$(go env GOOS)_$$(go env GOARCH)


##@ Build

dist/dashboards/%.json: src/dashboards/%.jsonnet $(JSONNET_VENDOR_DIR)
	mkdir -p $(dir $@)
	jsonnet -J "$(JSONNET_VENDOR_DIR)" -o $@ $<

dist-dashboards: $(shell find src/dashboards -name '*.jsonnet' | sed -E 's@src/(.*)\.jsonnet@dist/\1.json@g') ## Build Grafana dashboards from jsonnet

dist-frontend: deps-frontend ## Build frontend datasources
	yarn run build

dist-backend: deps-backend ## Build backend datasource
	go build -o ./dist/datasources/redis/pcp_redis_datasource_$$(go env GOOS)_$$(go env GOARCH) -tags netgo -ldflags -w ./pkg

dist: dist-dashboards dist-frontend dist-backend ## Build everything


##@ Test

test-frontend: deps-frontend ## Run frontend tests
	yarn run test

test-backend: deps-backend ## Run backend tests
	go test -race ./pkg/...

test-backend-web: deps-backend ## Run backend tests using goconvey
	cd pkg && goconvey

test: test-frontend test-backend ## Run all tests


##@ Helpers

clean: ## Clean all artifacts
	rm -rf node_modules "$(JSONNET_VENDOR_DIR)" dist

help:  ## Display this help
	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n  make \033[36m\033[0m\n"} /^[a-zA-Z_-]+:.*?##/ { printf "  \033[36m%-16s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)