if err != nil {
		return nil, err
	}

	for _, pod := range pods {
		fw, err := kubeClient.NewPortForwarder(pod.Name, pod.Namespace, "localhost", 0, centralOpts.XdsPodPort)
		if err != nil {
			return nil, err
		}
		err = fw.Start()
		if err != nil {
			return nil, err
		}
		defer fw.Close()
		xdsOpts.Xds = fw.Address()

			port, err := parsePort(portStr)
			if err != nil {
				return nil, err
			}
			ports = append(ports, int(port))
		}
	}
	return ports, nil
}

func validatePortList(ports string) error {
	if _, err := parsePorts(ports); err != nil {
		return fmt.Errorf("portList %q invalid: %v", ports, err)
	}
	return nil
}

func validatePortListWithWildcard(ports string) error {

	if err != nil {
		return nil, fmt.Errorf("error %s: %s", err, manifest)
	}
	return NewObjectSet(getAllIstioObjects()), nil
}

// fakeApplyExtraResources applies any extra resources for the given test name.
func fakeApplyExtraResources(inFile string) error {
	reconciler, err := helmreconciler.NewHelmReconciler(testClient, nil, nil, nil)
	if err != nil {
		return err
	}

		return err
	}

	if pdArgs.configPath == "" {
		if y, err = prependHeader(y); err != nil {
			return err
		}
	} else {
		if y, err = tpath.GetConfigSubtree(y, pdArgs.configPath); err != nil {
			return err
		}
	}

	var output string
	if output, err = yamlToFormat(y, pdArgs.outputFormat); err != nil {
		return err
	}
	l.Print(output)
	return nil
}

		config.QPS = 80
		config.Burst = 160
	})
	if err != nil {
		return nil, fmt.Errorf("failed creating kube config: %v", err)
	}

	client, err := kube.NewClient(kube.NewClientConfigForRestConfig(kubeRestConfig), "")
	if err != nil {
		return nil, fmt.Errorf("failed creating kube client: %v", err)
	}

	return client, nil
}

	if err != nil {
		return nil, "", "", "", fmt.Errorf("%q does not refer to a pod: %v", resname, err)
	}
	clientConfig, err := factory.ToRESTConfig()
	if err != nil {
		return nil, "", "", "", err
	}
	clientset, err := corev1client.NewForConfig(clientConfig)
	if err != nil {
		return nil, "", "", "", err
	}
	return clientset, "", namespace, selector.String(), nil
}

	if openNetns != nil {
		return openNetns, nil
	}
	log.Debug("pod netns was not found, trying to find it using procfs")
	// this can happen if the pod was dynamically added to the mesh after it was created.
	// in that case, try finding the netns using procfs.
	if err := s.rescanPod(pod); err != nil {
		log.Errorf("error scanning proc: error was %s", err)
		return nil, err
	}

		err := json.Unmarshal(resp, istiodDump)
		if err != nil {
			continue
		}
		c.istiod = istiodDump
		break
	}
	if c.istiod == nil {
		return nil, fmt.Errorf("unable to find config dump in Istiod responses")
	}
	envoyDump := &configdump.Wrapper{}
	err := json.Unmarshal(envoyResponse, envoyDump)
	if err != nil {
		return nil, err
	}
	c.envoy = envoyDump
	c.w = w
	c.context = 7

		return err
	}
	_, _ = c.Stdout.Write([]byte("\n"))
	if err := c.PrintServiceSummary(ServiceFilter{}); err != nil {
		return err
	}
	_, _ = c.Stdout.Write([]byte("\n"))
	if err := c.PrintPolicySummary(PolicyFilter{}); err != nil {
		return err
	}
	_, _ = c.Stdout.Write([]byte("\n"))
	if err := c.PrintSecretSummary(); err != nil {
		return err
	}
	return nil
}

}

func (c *ConfigWriter) retrieveSortedListenerSlice() ([]*listener.Listener, error) {
	if c.configDump == nil {
		return nil, fmt.Errorf("config writer has not been primed")
	}
	listenerDump, err := c.configDump.GetListenerConfigDump()
	if err != nil {
		return nil, fmt.Errorf("listener dump: %v", err)
	}
	listeners := make([]*listener.Listener, 0)
	for _, l := range listenerDump.DynamicListeners {