move backoff duration to flag

Author: judemars

cmd/gce-pd-csi-driver/main.go

@@ -42,7 +42,8 @@ var (
 	httpEndpoint         = flag.String("http-endpoint", "", "The TCP network address where the prometheus metrics endpoint will listen (example: `:8080`). The default is empty string, which means metrics endpoint is disabled.")
 	metricsPath          = flag.String("metrics-path", "/metrics", "The HTTP path where prometheus metrics will be exposed. Default is `/metrics`.")
 
-	extraVolumeLabelsStr = flag.String("extra-labels", "", "Extra labels to attach to each PD created. It is a comma separated list of key value pairs like '<key1>=<value1>,<key2>=<value2>'. See https://cloud.google.com/compute/docs/labeling-resources for details")
+	errorBackoffInitialDurationMs = flag.Int("backoff-initial-duration-ms", 200 , "The amount of ms for the initial duration of the backoff condition. Default is 200.")
+	extraVolumeLabelsStr          = flag.String("extra-labels", "", "Extra labels to attach to each PD created. It is a comma separated list of key value pairs like '<key1>=<value1>,<key2>=<value2>'. See https://cloud.google.com/compute/docs/labeling-resources for details")
 
 	attachDiskBackoffDuration = flag.Duration("attach-disk-backoff-duration", 5*time.Second, "Duration for attachDisk backoff")
 	attachDiskBackoffFactor   = flag.Float64("attach-disk-backoff-factor", 0.0, "Factor for attachDisk backoff")
@@ -57,8 +58,6 @@ var (
 
 	maxprocs = flag.Int("maxprocs", 1, "GOMAXPROCS override")
 
-	errorBackoffInitialDuration = 200 * time.Millisecond
-
 	version string
 )
 
@@ -124,7 +123,7 @@ func handle() {
 		if err != nil {
 			klog.Fatalf("Failed to get cloud provider: %v", err)
 		}
-		controllerServer = driver.NewControllerServer(gceDriver, cloudProvider, errorBackoffInitialDuration)
+		controllerServer = driver.NewControllerServer(gceDriver, cloudProvider, time.Duration(*errorBackoffInitialDurationMs) * time.Millisecond)
 	} else if *cloudConfigFilePath != "" {
 		klog.Warningf("controller service is disabled but cloud config given - it has no effect")
 	}