Metrics group kind to be passed through cli (#24)

Author: pavelrib

cmd/autoscaler/app/autoscaler.go

@@ -21,7 +21,8 @@ func Run(kubeconfigPath string,
 	scaleWindow time.Duration,
 	metricName string,
 	scaleThreshold int64,
-	metricsInterval time.Duration) error {
+	metricsInterval time.Duration,
+	metricsGroupKind string) error {
 	autoScalerOptions := scaler_types.AutoScalerOptions{
 		Namespace:     namespace,
 		ScaleInterval: scaleInterval,
@@ -34,6 +35,7 @@ func Run(kubeconfigPath string,
 		Namespace:      namespace,
 		MetricName:     metricName,
 		MetricInterval: metricsInterval,
+		GroupKind:      metricsGroupKind,
 	}
 
 	pluginLoader, err := pluginloader.New()

cmd/autoscaler/main.go

@@ -17,6 +17,7 @@ func main() {
 	scaleInterval := flag.Duration("scale-interval", time.Minute, "Interval to call check scale function")
 	scaleWindow := flag.Duration("scale-window", time.Minute, "Time window after initial value to act upon")
 	metricsInterval := flag.Duration("metrics-poll-interval", time.Minute, "Interval to poll custom metrics")
+	metricsGroupKind := flag.String("metrics-group-kind", "", "Metrics resource kind")
 	metricName := flag.String("metric-name", "", "Metric name from custom metrics")
 	scaleThreshold := flag.Int64("scale-threshold", 0, "Maximum allowed value for metric to be considered below active")
 	flag.Parse()
@@ -29,7 +30,8 @@ func main() {
 		*scaleWindow,
 		*metricName,
 		*scaleThreshold,
-		*metricsInterval); err != nil {
+		*metricsInterval,
+		*metricsGroupKind); err != nil {
 		errors.PrintErrorStack(os.Stderr, err, 5)
 
 		os.Exit(1)