Add --logging-format flag

Add k8s.io/component-base/config package

test/e2e/e2e_test.go

@@ -567,7 +567,10 @@ func TestDeschedulingInterval(t *testing.T) {
 	}
 
 	// By default, the DeschedulingInterval param should be set to 0, meaning Descheduler only runs once then exits
-	s := options.NewDeschedulerServer()
+	s, err := options.NewDeschedulerServer()
+	if err != nil {
+		t.Fatalf("Unable to initialize server: %v", err)
+	}
 	s.Client = clientSet
 
 	deschedulerPolicy := &api.DeschedulerPolicy{}