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Edit File: attribute_context.proto

// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

syntax = "proto3";

package google.rpc.context;

import "google/protobuf/any.proto";
import "google/protobuf/duration.proto";
import "google/protobuf/struct.proto";
import "google/protobuf/timestamp.proto";

option cc_enable_arenas = true;
option go_package = "google.golang.org/genproto/googleapis/rpc/context/attribute_context;attribute_context";
option java_multiple_files = true;
option java_outer_classname = "AttributeContextProto";
option java_package = "com.google.rpc.context";

// This message defines the standard attribute vocabulary for Google APIs.
//
// An attribute is a piece of metadata that describes an activity on a network
// service. For example, the size of an HTTP request, or the status code of
// an HTTP response.
//
// Each attribute has a type and a name, which is logically defined as
// a proto message field in `AttributeContext`. The field type becomes the
// attribute type, and the field path becomes the attribute name. For example,
// the attribute `source.ip` maps to field `AttributeContext.source.ip`.
//
// This message definition is guaranteed not to have any wire breaking change.
// So you can use it directly for passing attributes across different systems.
//
// NOTE: Different system may generate different subset of attributes. Please
// verify the system specification before relying on an attribute generated
// a system.
message AttributeContext {
  // This message defines attributes for a node that handles a network request.
  // The node can be either a service or an application that sends, forwards,
  // or receives the request. Service peers should fill in
  // `principal` and `labels` as appropriate.
  message Peer {
    // The IP address of the peer.
    string ip = 1;

// The network port of the peer.
    int64 port = 2;

// The labels associated with the peer.
    map<string, string> labels = 6;

// The identity of this peer. Similar to `Request.auth.principal`, but
    // relative to the peer instead of the request. For example, the
    // idenity associated with a load balancer that forwared the request.
    string principal = 7;

// The CLDR country/region code associated with the above IP address.
    // If the IP address is private, the `region_code` should reflect the
    // physical location where this peer is running.
    string region_code = 8;
  }

// This message defines attributes associated with API operations, such as
  // a network API request. The terminology is based on the conventions used
  // by Google APIs, Istio, and OpenAPI.
  message Api {
    // The API service name. It is a logical identifier for a networked API,
    // such as "pubsub.googleapis.com". The naming syntax depends on the
    // API management system being used for handling the request.
    string service = 1;

// The API operation name. For gRPC requests, it is the fully qualified API
    // method name, such as "google.pubsub.v1.Publisher.Publish". For OpenAPI
    // requests, it is the `operationId`, such as "getPet".
    string operation = 2;

// The API protocol used for sending the request, such as "http", "https",
    // "grpc", or "internal".
    string protocol = 3;

// The API version associated with the API operation above, such as "v1" or
    // "v1alpha1".
    string version = 4;
  }

// This message defines request authentication attributes. Terminology is
  // based on the JSON Web Token (JWT) standard, but the terms also
  // correlate to concepts in other standards.
  message Auth {
    // The authenticated principal. Reflects the issuer (`iss`) and subject
    // (`sub`) claims within a JWT. The issuer and subject should be `/`
    // delimited, with `/` percent-encoded within the subject fragment. For
    // Google accounts, the principal format is:
    // "https://accounts.google.com/{id}"
    string principal = 1;

// The intended audience(s) for this authentication information. Reflects
    // the audience (`aud`) claim within a JWT. The audience
    // value(s) depends on the `issuer`, but typically include one or more of
    // the following pieces of information:
    //
    // *  The services intended to receive the credential. For example,
    //    ["https://pubsub.googleapis.com/", "https://storage.googleapis.com/"].
    // *  A set of service-based scopes. For example,
    //    ["https://www.googleapis.com/auth/cloud-platform"].
    // *  The client id of an app, such as the Firebase project id for JWTs
    //    from Firebase Auth.
    //
    // Consult the documentation for the credential issuer to determine the
    // information provided.
    repeated string audiences = 2;

// The authorized presenter of the credential. Reflects the optional
    // Authorized Presenter (`azp`) claim within a JWT or the
    // OAuth client id. For example, a Google Cloud Platform client id looks
    // as follows: "123456789012.apps.googleusercontent.com".
    string presenter = 3;

// Structured claims presented with the credential. JWTs include
    // `{key: value}` pairs for standard and private claims. The following
    // is a subset of the standard required and optional claims that would
    // typically be presented for a Google-based JWT:
    //
    //    {'iss': 'accounts.google.com',
    //     'sub': '113289723416554971153',
    //     'aud': ['123456789012', 'pubsub.googleapis.com'],
    //     'azp': '123456789012.apps.googleusercontent.com',
    //     'email': 'jsmith@example.com',
    //     'iat': 1353601026,
    //     'exp': 1353604926}
    //
    // SAML assertions are similarly specified, but with an identity provider
    // dependent structure.
    google.protobuf.Struct claims = 4;

// A list of access level resource names that allow resources to be
    // accessed by authenticated requester. It is part of Secure GCP processing
    // for the incoming request. An access level string has the format:
    // "//{api_service_name}/accessPolicies/{policy_id}/accessLevels/{short_name}"
    //
    // Example:
    // "//accesscontextmanager.googleapis.com/accessPolicies/MY_POLICY_ID/accessLevels/MY_LEVEL"
    repeated string access_levels = 5;
  }

// This message defines attributes for an HTTP request. If the actual
  // request is not an HTTP request, the runtime system should try to map
  // the actual request to an equivalent HTTP request.
  message Request {
    // The unique ID for a request, which can be propagated to downstream
    // systems. The ID should have low probability of collision
    // within a single day for a specific service.
    string id = 1;

// The HTTP request method, such as `GET`, `POST`.
    string method = 2;

// The HTTP request headers. If multiple headers share the same key, they
    // must be merged according to the HTTP spec. All header keys must be
    // lowercased, because HTTP header keys are case-insensitive.
    map<string, string> headers = 3;

// The HTTP URL path.
    string path = 4;

// The HTTP request `Host` header value.
    string host = 5;

// The HTTP URL scheme, such as `http` and `https`.
    string scheme = 6;

// The HTTP URL query in the format of `name1=value1&name2=value2`, as it
    // appears in the first line of the HTTP request. No decoding is performed.
    string query = 7;

// The timestamp when the `destination` service receives the last byte of
    // the request.
    google.protobuf.Timestamp time = 9;

// The HTTP request size in bytes. If unknown, it must be -1.
    int64 size = 10;

// The network protocol used with the request, such as "http/1.1",
    // "spdy/3", "h2", "h2c", "webrtc", "tcp", "udp", "quic". See
    // https://www.iana.org/assignments/tls-extensiontype-values/tls-extensiontype-values.xhtml#alpn-protocol-ids
    // for details.
    string protocol = 11;

// A special parameter for request reason. It is used by security systems
    // to associate auditing information with a request.
    string reason = 12;

// The request authentication. May be absent for unauthenticated requests.
    // Derived from the HTTP request `Authorization` header or equivalent.
    Auth auth = 13;
  }

// This message defines attributes for a typical network response. It
  // generally models semantics of an HTTP response.
  message Response {
    // The HTTP response status code, such as `200` and `404`.
    int64 code = 1;

// The HTTP response size in bytes. If unknown, it must be -1.
    int64 size = 2;

// The HTTP response headers. If multiple headers share the same key, they
    // must be merged according to HTTP spec. All header keys must be
    // lowercased, because HTTP header keys are case-insensitive.
    map<string, string> headers = 3;

// The timestamp when the `destination` service sends the last byte of
    // the response.
    google.protobuf.Timestamp time = 4;

// The length of time it takes the backend service to fully respond to a
    // request. Measured from when the destination service starts to send the
    // request to the backend until when the destination service receives the
    // complete response from the backend.
    google.protobuf.Duration backend_latency = 5;
  }

// This message defines core attributes for a resource. A resource is an
  // addressable (named) entity provided by the destination service. For
  // example, a file stored on a network storage service.
  message Resource {
    // The name of the service that this resource belongs to, such as
    // `pubsub.googleapis.com`. The service may be different from the DNS
    // hostname that actually serves the request.
    string service = 1;

// The stable identifier (name) of a resource on the `service`. A resource
    // can be logically identified as "//{resource.service}/{resource.name}".
    // The differences between a resource name and a URI are:
    //
    // *   Resource name is a logical identifier, independent of network
    //     protocol and API version. For example,
    //     `//pubsub.googleapis.com/projects/123/topics/news-feed`.
    // *   URI often includes protocol and version information, so it can
    //     be used directly by applications. For example,
    //     `https://pubsub.googleapis.com/v1/projects/123/topics/news-feed`.
    //
    // See https://cloud.google.com/apis/design/resource_names for details.
    string name = 2;

// The type of the resource. The syntax is platform-specific because
    // different platforms define their resources differently.
    //
    // For Google APIs, the type format must be "{service}/{kind}".
    string type = 3;

// The labels or tags on the resource, such as AWS resource tags and
    // Kubernetes resource labels.
    map<string, string> labels = 4;

// The unique identifier of the resource. UID is unique in the time
    // and space for this resource within the scope of the service. It is
    // typically generated by the server on successful creation of a resource
    // and must not be changed. UID is used to uniquely identify resources
    // with resource name reuses. This should be a UUID4.
    string uid = 5;

// Annotations is an unstructured key-value map stored with a resource that
    // may be set by external tools to store and retrieve arbitrary metadata.
    // They are not queryable and should be preserved when modifying objects.
    //
    // More info: https://kubernetes.io/docs/user-guide/annotations
    map<string, string> annotations = 6;

// Mutable. The display name set by clients. Must be <= 63 characters.
    string display_name = 7;

// Output only. The timestamp when the resource was created. This may
    // be either the time creation was initiated or when it was completed.
    google.protobuf.Timestamp create_time = 8;

// Output only. The timestamp when the resource was last updated. Any
    // change to the resource made by users must refresh this value.
    // Changes to a resource made by the service should refresh this value.
    google.protobuf.Timestamp update_time = 9;

// Output only. The timestamp when the resource was deleted.
    // If the resource is not deleted, this must be empty.
    google.protobuf.Timestamp delete_time = 10;

// Output only. An opaque value that uniquely identifies a version or
    // generation of a resource. It can be used to confirm that the client
    // and server agree on the ordering of a resource being written.
    string etag = 11;

// Immutable. The location of the resource. The location encoding is
    // specific to the service provider, and new encoding may be introduced
    // as the service evolves.
    //
    // For Google Cloud products, the encoding is what is used by Google Cloud
    // APIs, such as `us-east1`, `aws-us-east-1`, and `azure-eastus2`. The
    // semantics of `location` is identical to the
    // `cloud.googleapis.com/location` label used by some Google Cloud APIs.
    string location = 12;
  }

// The origin of a network activity. In a multi hop network activity,
  // the origin represents the sender of the first hop. For the first hop,
  // the `source` and the `origin` must have the same content.
  Peer origin = 7;

// The source of a network activity, such as starting a TCP connection.
  // In a multi hop network activity, the source represents the sender of the
  // last hop.
  Peer source = 1;

// The destination of a network activity, such as accepting a TCP connection.
  // In a multi hop network activity, the destination represents the receiver of
  // the last hop.
  Peer destination = 2;

// Represents a network request, such as an HTTP request.
  Request request = 3;

// Represents a network response, such as an HTTP response.
  Response response = 4;

// Represents a target resource that is involved with a network activity.
  // If multiple resources are involved with an activity, this must be the
  // primary one.
  Resource resource = 5;

// Represents an API operation that is involved to a network activity.
  Api api = 6;

// Supports extensions for advanced use cases, such as logs and metrics.
  repeated google.protobuf.Any extensions = 8;
}

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