Add git commit info to IC log (#221)

Author: pleshakov

nginx-controller/Makefile

@@ -12,11 +12,13 @@ BUILD_IN_CONTAINER = 1
 PUSH_TO_GCR =
 GENERATE_DEFAULT_CERT_AND_KEY = 
 
+GIT_COMMIT=$(shell git rev-parse --short HEAD)
+
 nginx-ingress:
 ifeq ($(BUILD_IN_CONTAINER),1)
-	$(DOCKER_RUN) -e CGO_ENABLED=0 $(GOLANG_CONTAINER) go build -a -installsuffix cgo -ldflags "-w -X main.version=${VERSION}" -o nginx-ingress *.go
+	$(DOCKER_RUN) -e CGO_ENABLED=0 $(GOLANG_CONTAINER) go build -a -installsuffix cgo -ldflags "-w -X main.version=${VERSION} -X main.gitCommit=${GIT_COMMIT}" -o nginx-ingress *.go
 else
-	CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags "-w -X main.version=${VERSION}" -o nginx-ingress *.go
+	CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags "-w -X main.version=${VERSION} -X main.gitCommit=${GIT_COMMIT}" -o nginx-ingress *.go
 endif
 
 test:
@@ -41,12 +43,5 @@ else
 	docker push $(PREFIX):$(TAG)
 endif
 
-osx:
-ifeq ($(BUILD_IN_CONTAINER),1)
-	$(DOCKER_RUN) -e CGO_ENABLED=0 -e GOOS=darwin $(GOLANG_CONTAINER) go build -a -installsuffix cgo -ldflags "-w -X main.version=${VERSION}" -o osx-nginx-ingress *.go
-else
-	CGO_ENABLED=0 GOOS=darwin go build -a -installsuffix cgo -ldflags "-w -X main.version=${VERSION}" -o osx-nginx-ingress *.go
-endif
-
 clean:
 	rm -f nginx-ingress

nginx-controller/main.go

@@ -22,7 +22,8 @@ import (
 
 var (
 	// Set during build
-	version string
+	version   string
+	gitCommit string
 
 	healthStatus = flag.Bool("health-status", false,
 		`If present, the default server listening on port 80 with the health check
@@ -61,7 +62,7 @@ func main() {
 	flag.Parse()
 	flag.Lookup("logtostderr").Value.Set("true")
 
-	glog.Infof("Starting NGINX Ingress controller Version %v\n", version)
+	glog.Infof("Starting NGINX Ingress controller Version=%v GitCommit=%v\n", version, gitCommit)
 
 	var err error
 	var config *rest.Config