503
                        ]
                      },
                      "max_grpc_timeout": "0s"
                    },
                    "metadata": {
                      "filter_metadata": {
                        "istio": {
                          "config": "/apis/networking.istio.io/v1alpha3/namespaces/default/virtual-service/bookinfo"
                        }
                      }

                          503
                        ]
                      },
                      "max_grpc_timeout": "0s"
                    },
                    "metadata": {
                      "filter_metadata": {
                        "istio": {
                          "config": "/apis/networking.istio.io/v1alpha3/namespaces/default/virtual-service/bookinfo"
                        }
                      }

    enabled: false
    v2:
      # For Null VM case now.
      # This also enables metadata exchange.
      enabled: true
      # Indicate if prometheus stats filter is enabled or not
      prometheus:
        enabled: true
      # stackdriver filter settings.
      stackdriver:
        enabled: false
  # Revision is set as 'version' label and part of the resource names when installing multiple control planes.

  // +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

                    "@type": "type.googleapis.com/envoy.extensions.transport_sockets.raw_buffer.v3.RawBuffer"
                  }
                }
              }
            },
            "metadata": {
              "filter_metadata": {
                "istio": {
                  "services": [
                    {
                      "namespace": "default",
                      "name": "ratings",

#### Discovery Filter

The Discovery Filter controller is used to implement the `discoverySelectors` field of `MeshConfig`. This controller reads `Namespace`s in the cluster to determine if they should be "selected". Many controllers consumer this filter to only process a subset of configurations.

#### Multicluster

  // e.g. `meta.k8s.io/v1.DeleteOptions` or `meta.k8s.io/v1.CreateOptions`. This may be
  // different than the options the caller provided. e.g. for a patch request the performed
  // Operation might be a CREATE, in which case the Options will a
  // `meta.k8s.io/v1.CreateOptions` even though the caller provided `meta.k8s.io/v1.PatchOptions`.
  // +optional
  optional k8s.io.apimachinery.pkg.runtime.RawExtension options = 12;
}

				return err
			}
		}
	}
	return nil
}

// sleepWatchInstall blocks until any file change for the binaries or config are detected.
// At that point, the func yields so the caller can recheck the validity of the install.
// If an error occurs or context is canceled, the function will return an error.
func (in *Installer) sleepWatchInstall(ctx context.Context, installedBinFiles sets.String) error {

  // +listType=atomic
  optional bytes request = 1;

  // signerName indicates the requested signer, and is a qualified name.
  //
  // List/watch requests for CertificateSigningRequests can filter on this field using a "spec.signerName=NAME" fieldSelector.
  //
  // Well-known Kubernetes signers are:

  // Example: when this is set to 30%, the new ReplicaSet can be scaled up immediately when
  // the rolling update starts, such that the total number of old and new pods do not exceed
  // 130% of desired pods. Once old pods have been killed,
  // new ReplicaSet can be scaled up further, ensuring that total number of pods running
  // at any time during the update is at most 130% of desired pods.
  // +optional