PMM-11312 --version (#8)

Author: YaroslavPodorvanov

.gitignore

@@ -1,5 +1,6 @@
 /bin
 *.DS_Store
 azure_metrics_exporter
+azure_exporter
 azure.yml
 notes.txt

Makefile

@@ -21,6 +21,10 @@ DOCKER_REPO             ?= robustperception
 DOCKER_IMAGE_NAME       ?= azure_metrics_exporter
 DOCKER_IMAGE_TAG        ?= $(subst /,-,$(shell git rev-parse --abbrev-ref HEAD))
 
+GO_BUILD_LDFLAGS = -X github.com/prometheus/common/version.Version=$(shell cat VERSION) -X github.com/prometheus/common/version.Revision=$(shell git rev-parse HEAD) -X github.com/prometheus/common/version.Branch=$(shell git describe --always --contains --all) -X github.com/prometheus/common/version.BuildUser= -X github.com/prometheus/common/version.BuildDate=$(shell date +%FT%T%z) -s -w
+
+export PMM_RELEASE_PATH?=.
+
 all: format build test
 
 test: build
@@ -56,4 +60,7 @@ promu:
 		GOARCH=$(subst x86_64,amd64,$(patsubst i%86,386,$(shell uname -m))) \
 		$(GO) get -u github.com/prometheus/promu
 
-.PHONY: all style format build test vet tarball docker promu
+release:
+	go build -ldflags="$(GO_BUILD_LDFLAGS)" -o $(PMM_RELEASE_PATH)/azure_exporter
+
+.PHONY: all style format build test vet tarball docker promu

main.go

@@ -330,6 +330,7 @@ func handler(w http.ResponseWriter, r *http.Request) {
 func main() {
 	kingpin.HelpFlag.Short('h')
 	log.AddFlags(kingpin.CommandLine)
+	kingpin.Version(version.Print("azure_exporter"))
 	kingpin.Parse()
 	if err := sc.ReloadConfig(*configFile); err != nil {
 		log.Fatalf("Error loading config: %v", err)