conn, err := connect(f)
	if err != nil {
		t.Fatalf("failed to connect %v", err)
	}
	conn.Close()
}

func connect(socket string) (*grpc.ClientConn, error) {
	var opts []grpc.DialOption

	opts = append(opts, grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithContextDialer(func(ctx context.Context, addr string) (net.Conn, error) {
		var d net.Dialer
		return d.DialContext(ctx, "unix", socket)
	}))

)

// SecretItemDiff represents a secret that has been diffed between nodeagent and proxy
type SecretItemDiff struct {
	Agent string `json:"agent"`
	Proxy string `json:"proxy"`
	SecretItem
}

// SecretItem is an intermediate representation of secrets, used to provide a common
// format between the envoy proxy secrets and node agent output which can be diffed
type SecretItem struct {
	Name        string `json:"resource_name"`

# Simulate the case where the default installation failed, and the user has to reinstall the components.
apiVersion: admissionregistration.k8s.io/v1
kind: MutatingWebhookConfiguration
metadata:
  labels:
    app: sidecar-injector
  name: w-istio-sidecar-injector-istio-system

webhooks:
- admissionReviewVersions:
  - v1beta1
  - v1
  clientConfig:
    service:
      name: istiod
      namespace: istio-system
      path: /inject

			},
		}

		for _, route := range netlinkRoutes {
			log.Debugf("Iterating netlink route : %+v", route)
			if err := f(route); err != nil {
				log.Errorf("Failed to add netlink route : %+v", route)
				return fmt.Errorf("failed to add route: %v", err)
			}
		}
	}
	return nil

	} else if err != nil {
		return fmt.Errorf("failed to get namespace %s: %v", ns, err)
	}
	if nsObj.Labels == nil {
		nsObj.Labels = map[string]string{}
	}
	nsObj.Labels[constants.AmbientUseWaypointLabel] = waypointName
	if _, err := kubeClient.Kube().CoreV1().Namespaces().Update(context.Background(), nsObj, metav1.UpdateOptions{}); err != nil {
		return fmt.Errorf("failed to update namespace %s: %v", ns, err)
	}
	return nil

      break
    fi
    if ! grep -Eq "${failureRegex}" "${tmpFile}"; then
      fail "Unexpected failure"
    fi
    if [[ $n -lt $max ]]; then
      ((n++))
      echo "Command failed. Attempt $n/$max:"
    else
      fail "The command has failed after $n attempts."
    fi
  done
}

			webhookConfig, err := tagWebhookConfigFromCanonicalWebhook(tc.webhook, "default", tc.istioNamespace)
			if err != nil {
				t.Fatalf("webhook parsing failed with error: %v", err)
			}
			webhookConfig, err = fixWhConfig(fakeClient, webhookConfig)
			if err != nil {
				t.Fatalf("webhook fixing failed with error: %v", err)
			}
			opts := &GenerateOptions{
				ManifestsPath: filepath.Join(env.IstioSrc, "manifests"),
			}

	if err != nil {
		return fmt.Errorf("failed to retrieve tag with name %s: %v", tagName, err)
	}
	if len(webhooks) == 0 {
		return fmt.Errorf("cannot remove tag %q: cannot find MutatingWebhookConfiguration for tag", tagName)
	}

	taggedNamespaces, err := GetNamespacesWithTag(ctx, kubeClient, tagName)
	if err != nil {
		return fmt.Errorf("failed to retrieve namespaces dependent on tag %q", tagName)
	}

    injectedAnnotations: {}

    # This enables injection of sidecar in all namespaces,
    # with the exception of namespaces with "istio-injection:disabled" annotation
    # Only one environment should have this enabled.
    enableNamespacesByDefault: false

  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;

  // Status is filled in by the server with the user attributes.
  optional SelfSubjectReviewStatus status = 2;
}

// SelfSubjectReviewStatus is filled by the kube-apiserver and sent back to a user.
message SelfSubjectReviewStatus {
  // User attributes of the user making this request.
  // +optional