Merge pull request #718 from kragniz/version-in-logs

Add log message showing git tag and commit during startup

cmd/controller/start.go

@@ -59,6 +59,9 @@ to renew certificates at an appropriate time before expiry.`,
 			if err := o.Validate(args); err != nil {
 				glog.Fatalf("error validating options: %s", err.Error())
 			}
+
+			glog.Infof("starting cert-manager %s (revision %s)", util.AppVersion, util.AppGitCommit)
+
 			go StartPrometheusMetricsServer(stopCh)
 			o.RunCertManagerController(stopCh)
 		},