Implement a reverse proxy using grpc-gateway
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186
proto/google/rpc/code.proto
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186
proto/google/rpc/code.proto
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// 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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option go_package = "google.golang.org/genproto/googleapis/rpc/code;code";
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option java_multiple_files = true;
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option java_outer_classname = "CodeProto";
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option java_package = "com.google.rpc";
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option objc_class_prefix = "RPC";
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// The canonical error codes for Google APIs.
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//
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//
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// Sometimes multiple error codes may apply. Services should return
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// the most specific error code that applies. For example, prefer
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// `OUT_OF_RANGE` over `FAILED_PRECONDITION` if both codes apply.
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// Similarly prefer `NOT_FOUND` or `ALREADY_EXISTS` over `FAILED_PRECONDITION`.
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enum Code {
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// Not an error; returned on success
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//
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// HTTP Mapping: 200 OK
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OK = 0;
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// The operation was cancelled, typically by the caller.
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//
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// HTTP Mapping: 499 Client Closed Request
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CANCELLED = 1;
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// Unknown error. For example, this error may be returned when
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// a `Status` value received from another address space belongs to
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// an error space that is not known in this address space. Also
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// errors raised by APIs that do not return enough error information
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// may be converted to this error.
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//
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// HTTP Mapping: 500 Internal Server Error
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UNKNOWN = 2;
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// The client specified an invalid argument. Note that this differs
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// from `FAILED_PRECONDITION`. `INVALID_ARGUMENT` indicates arguments
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// that are problematic regardless of the state of the system
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// (e.g., a malformed file name).
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//
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// HTTP Mapping: 400 Bad Request
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INVALID_ARGUMENT = 3;
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// The deadline expired before the operation could complete. For operations
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// that change the state of the system, this error may be returned
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// even if the operation has completed successfully. For example, a
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// successful response from a server could have been delayed long
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// enough for the deadline to expire.
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//
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// HTTP Mapping: 504 Gateway Timeout
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DEADLINE_EXCEEDED = 4;
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// Some requested entity (e.g., file or directory) was not found.
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//
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// Note to server developers: if a request is denied for an entire class
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// of users, such as gradual feature rollout or undocumented whitelist,
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// `NOT_FOUND` may be used. If a request is denied for some users within
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// a class of users, such as user-based access control, `PERMISSION_DENIED`
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// must be used.
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//
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// HTTP Mapping: 404 Not Found
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NOT_FOUND = 5;
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// The entity that a client attempted to create (e.g., file or directory)
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// already exists.
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//
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// HTTP Mapping: 409 Conflict
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ALREADY_EXISTS = 6;
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// The caller does not have permission to execute the specified
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// operation. `PERMISSION_DENIED` must not be used for rejections
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// caused by exhausting some resource (use `RESOURCE_EXHAUSTED`
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// instead for those errors). `PERMISSION_DENIED` must not be
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// used if the caller can not be identified (use `UNAUTHENTICATED`
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// instead for those errors). This error code does not imply the
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// request is valid or the requested entity exists or satisfies
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// other pre-conditions.
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//
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// HTTP Mapping: 403 Forbidden
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PERMISSION_DENIED = 7;
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// The request does not have valid authentication credentials for the
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// operation.
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//
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// HTTP Mapping: 401 Unauthorized
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UNAUTHENTICATED = 16;
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// Some resource has been exhausted, perhaps a per-user quota, or
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// perhaps the entire file system is out of space.
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//
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// HTTP Mapping: 429 Too Many Requests
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RESOURCE_EXHAUSTED = 8;
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// The operation was rejected because the system is not in a state
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// required for the operation's execution. For example, the directory
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// to be deleted is non-empty, an rmdir operation is applied to
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// a non-directory, etc.
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//
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// Service implementors can use the following guidelines to decide
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// between `FAILED_PRECONDITION`, `ABORTED`, and `UNAVAILABLE`:
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// (a) Use `UNAVAILABLE` if the client can retry just the failing call.
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// (b) Use `ABORTED` if the client should retry at a higher level
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// (e.g., when a client-specified test-and-set fails, indicating the
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// client should restart a read-modify-write sequence).
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// (c) Use `FAILED_PRECONDITION` if the client should not retry until
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// the system state has been explicitly fixed. E.g., if an "rmdir"
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// fails because the directory is non-empty, `FAILED_PRECONDITION`
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// should be returned since the client should not retry unless
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// the files are deleted from the directory.
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//
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// HTTP Mapping: 400 Bad Request
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FAILED_PRECONDITION = 9;
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// The operation was aborted, typically due to a concurrency issue such as
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// a sequencer check failure or transaction abort.
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//
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// See the guidelines above for deciding between `FAILED_PRECONDITION`,
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// `ABORTED`, and `UNAVAILABLE`.
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//
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// HTTP Mapping: 409 Conflict
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ABORTED = 10;
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// The operation was attempted past the valid range. E.g., seeking or
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// reading past end-of-file.
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//
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// Unlike `INVALID_ARGUMENT`, this error indicates a problem that may
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// be fixed if the system state changes. For example, a 32-bit file
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// system will generate `INVALID_ARGUMENT` if asked to read at an
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// offset that is not in the range [0,2^32-1], but it will generate
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// `OUT_OF_RANGE` if asked to read from an offset past the current
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// file size.
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//
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// There is a fair bit of overlap between `FAILED_PRECONDITION` and
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// `OUT_OF_RANGE`. We recommend using `OUT_OF_RANGE` (the more specific
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// error) when it applies so that callers who are iterating through
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// a space can easily look for an `OUT_OF_RANGE` error to detect when
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// they are done.
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//
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// HTTP Mapping: 400 Bad Request
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OUT_OF_RANGE = 11;
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// The operation is not implemented or is not supported/enabled in this
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// service.
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//
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// HTTP Mapping: 501 Not Implemented
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UNIMPLEMENTED = 12;
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// Internal errors. This means that some invariants expected by the
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// underlying system have been broken. This error code is reserved
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// for serious errors.
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//
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// HTTP Mapping: 500 Internal Server Error
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INTERNAL = 13;
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// The service is currently unavailable. This is most likely a
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// transient condition, which can be corrected by retrying with
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// a backoff.
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//
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// See the guidelines above for deciding between `FAILED_PRECONDITION`,
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// `ABORTED`, and `UNAVAILABLE`.
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//
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// HTTP Mapping: 503 Service Unavailable
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UNAVAILABLE = 14;
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// Unrecoverable data loss or corruption.
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//
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// HTTP Mapping: 500 Internal Server Error
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DATA_LOSS = 15;
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}
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