93 lines
3.9 KiB
Protocol Buffer
93 lines
3.9 KiB
Protocol Buffer
// Copyright 2017 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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syntax = "proto3";
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package google.rpc;
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import "google/protobuf/any.proto";
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option go_package = "rpc";
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option java_multiple_files = true;
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option java_outer_classname = "StatusProto";
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option java_package = "com.google.rpc";
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option objc_class_prefix = "RPC";
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// The `Status` type defines a logical error model that is suitable for different
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// programming environments, including REST APIs and RPC APIs. It is used by
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// [gRPC](https://github.com/grpc). The error model is designed to be:
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//
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// - Simple to use and understand for most users
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// - Flexible enough to meet unexpected needs
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//
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// # Overview
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//
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// The `Status` message contains three pieces of data: error code, error message,
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// and error details. The error code should be an enum value of
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// [google.rpc.Code][google.rpc.Code], but it may accept additional error codes if needed. The
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// error message should be a developer-facing English message that helps
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// developers *understand* and *resolve* the error. If a localized user-facing
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// error message is needed, put the localized message in the error details or
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// localize it in the client. The optional error details may contain arbitrary
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// information about the error. There is a predefined set of error detail types
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// in the package `google.rpc` that can be used for common error conditions.
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//
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// # Language mapping
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//
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// The `Status` message is the logical representation of the error model, but it
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// is not necessarily the actual wire format. When the `Status` message is
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// exposed in different client libraries and different wire protocols, it can be
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// mapped differently. For example, it will likely be mapped to some exceptions
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// in Java, but more likely mapped to some error codes in C.
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//
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// # Other uses
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//
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// The error model and the `Status` message can be used in a variety of
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// environments, either with or without APIs, to provide a
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// consistent developer experience across different environments.
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//
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// Example uses of this error model include:
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//
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// - Partial errors. If a service needs to return partial errors to the client,
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// it may embed the `Status` in the normal response to indicate the partial
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// errors.
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//
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// - Workflow errors. A typical workflow has multiple steps. Each step may
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// have a `Status` message for error reporting.
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//
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// - Batch operations. If a client uses batch request and batch response, the
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// `Status` message should be used directly inside batch response, one for
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// each error sub-response.
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//
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// - Asynchronous operations. If an API call embeds asynchronous operation
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// results in its response, the status of those operations should be
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// represented directly using the `Status` message.
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//
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// - Logging. If some API errors are stored in logs, the message `Status` could
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// be used directly after any stripping needed for security/privacy reasons.
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message Status {
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// The status code, which should be an enum value of [google.rpc.Code][google.rpc.Code].
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int32 code = 1;
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// A developer-facing error message, which should be in English. Any
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// user-facing error message should be localized and sent in the
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// [google.rpc.Status.details][google.rpc.Status.details] field, or localized by the client.
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string message = 2;
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// A list of messages that carry the error details. There is a common set of
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// message types for APIs to use.
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repeated google.protobuf.Any details = 3;
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}
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