// 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.api;

option go_package = "google.golang.org/genproto/googleapis/api/error_reason;error_reason";
option java_multiple_files = true;
option java_outer_classname = "ErrorReasonProto";
option java_package = "com.google.api";
option objc_class_prefix = "GAPI";

// Defines the supported values for `google.rpc.ErrorInfo.reason` for the
// `googleapis.com` error domain. This error domain is reserved for [Service
// Infrastructure](https://cloud.google.com/service-infrastructure/docs/overview).
// For each error info of this domain, the metadata key "service" refers to the
// logical identifier of an API service, such as "pubsub.googleapis.com". The
// "consumer" refers to the entity that consumes an API Service. It typically is
// a Google project that owns the client application or the server resource,
// such as "projects/123". Other metadata keys are specific to each error
// reason. For more information, see the definition of the specific error
// reason.
enum ErrorReason {
  // Do not use this default value.
  ERROR_REASON_UNSPECIFIED = 0;

  // The request is calling a disabled service for a consumer.
  //
  // Example of an ErrorInfo when the consumer "projects/123" contacting
  // "pubsub.googleapis.com" service which is disabled:
  //
  //     { "reason": "SERVICE_DISABLED",
  //       "domain": "googleapis.com",
  //       "metadata": {
  //         "consumer": "projects/123",
  //         "service": "pubsub.googleapis.com"
  //       }
  //     }
  //
  // This response indicates the "pubsub.googleapis.com" has been disabled in
  // "projects/123".
  SERVICE_DISABLED = 1;

  // The request whose associated billing account is disabled.
  //
  // Example of an ErrorInfo when the consumer "projects/123" fails to contact
  // "pubsub.googleapis.com" service because the associated billing account is
  // disabled:
  //
  //     { "reason": "BILLING_DISABLED",
  //       "domain": "googleapis.com",
  //       "metadata": {
  //         "consumer": "projects/123",
  //         "service": "pubsub.googleapis.com"
  //       }
  //     }
  //
  // This response indicates the billing account associated has been disabled.
  BILLING_DISABLED = 2;

  // The request is denied because the provided [API
  // key](https://cloud.google.com/docs/authentication/api-keys) is invalid. It
  // may be in a bad format, cannot be found, or has been expired).
  //
  // Example of an ErrorInfo when the request is contacting
  // "storage.googleapis.com" service with an invalid API key:
  //
  //     { "reason": "API_KEY_INVALID",
  //       "domain": "googleapis.com",
  //       "metadata": {
  //         "service": "storage.googleapis.com",
  //       }
  //     }
  API_KEY_INVALID = 3;

  // The request is denied because it violates [API key API
  // restrictions](https://cloud.google.com/docs/authentication/api-keys#adding_api_restrictions).
  //
  // Example of an ErrorInfo when the consumer "projects/123" fails to call the
  // "storage.googleapis.com" service because this service is restricted in the
  // API key:
  //
  //     { "reason": "API_KEY_SERVICE_BLOCKED",
  //       "domain": "googleapis.com",
  //       "metadata": {
  //         "consumer": "projects/123",
  //         "service": "storage.googleapis.com"
  //       }
  //     }
  API_KEY_SERVICE_BLOCKED = 4;

  // The request is denied because it violates [API key HTTP
  // restrictions](https://cloud.google.com/docs/authentication/api-keys#adding_http_restrictions).
  //
  // Example of an ErrorInfo when the consumer "projects/123" fails to call
  // "storage.googleapis.com" service because the http referrer of the request
  // violates API key HTTP restrictions:
  //
  //     { "reason": "API_KEY_HTTP_REFERRER_BLOCKED",
  //       "domain": "googleapis.com",
  //       "metadata": {
  //         "consumer": "projects/123",
  //         "service": "storage.googleapis.com",
  //       }
  //     }
  API_KEY_HTTP_REFERRER_BLOCKED = 7;

  // The request is denied because it violates [API key IP address
  // restrictions](https://cloud.google.com/docs/authentication/api-keys#adding_application_restrictions).
  //
  // Example of an ErrorInfo when the consumer "projects/123" fails to call
  // "storage.googleapis.com" service because the caller IP of the request
  // violates API key IP address restrictions:
  //
  //     { "reason": "API_KEY_IP_ADDRESS_BLOCKED",
  //       "domain": "googleapis.com",
  //       "metadata": {
  //         "consumer": "projects/123",
  //         "service": "storage.googleapis.com",
  //       }
  //     }
  API_KEY_IP_ADDRESS_BLOCKED = 8;

  // The request is denied because it violates [API key Android application
  // restrictions](https://cloud.google.com/docs/authentication/api-keys#adding_application_restrictions).
  //
  // Example of an ErrorInfo when the consumer "projects/123" fails to call
  // "storage.googleapis.com" service because the request from the Android apps
  // violates the API key Android application restrictions:
  //
  //     { "reason": "API_KEY_ANDROID_APP_BLOCKED",
  //       "domain": "googleapis.com",
  //       "metadata": {
  //         "consumer": "projects/123",
  //         "service": "storage.googleapis.com"
  //       }
  //     }
  API_KEY_ANDROID_APP_BLOCKED = 9;

  // The request is denied because it violates [API key iOS application
  // restrictions](https://cloud.google.com/docs/authentication/api-keys#adding_application_restrictions).
  //
  // Example of an ErrorInfo when the consumer "projects/123" fails to call
  // "storage.googleapis.com" service because the request from the iOS apps
  // violates the API key iOS application restrictions:
  //
  //     { "reason": "API_KEY_IOS_APP_BLOCKED",
  //       "domain": "googleapis.com",
  //       "metadata": {
  //         "consumer": "projects/123",
  //         "service": "storage.googleapis.com"
  //       }
  //     }
  API_KEY_IOS_APP_BLOCKED = 13;

  // The request is denied because there is not enough rate quota for the
  // consumer.
  //
  // Example of an ErrorInfo when the consumer "projects/123" fails to contact
  // "pubsub.googleapis.com" service because consumer's rate quota usage has
  // reached the maximum value set for the quota limit
  // "ReadsPerMinutePerProject" on the quota metric
  // "pubsub.googleapis.com/read_requests":
  //
  //     { "reason": "RATE_LIMIT_EXCEEDED",
  //       "domain": "googleapis.com",
  //       "metadata": {
  //         "consumer": "projects/123",
  //         "service": "pubsub.googleapis.com",
  //         "quota_metric": "pubsub.googleapis.com/read_requests",
  //         "quota_limit": "ReadsPerMinutePerProject"
  //       }
  //     }
  //
  // Example of an ErrorInfo when the consumer "projects/123" checks quota on
  // the service "dataflow.googleapis.com" and hits the organization quota
  // limit "DefaultRequestsPerMinutePerOrganization" on the metric
  // "dataflow.googleapis.com/default_requests".
  //
  //     { "reason": "RATE_LIMIT_EXCEEDED",
  //       "domain": "googleapis.com",
  //       "metadata": {
  //         "consumer": "projects/123",
  //         "service": "dataflow.googleapis.com",
  //         "quota_metric": "dataflow.googleapis.com/default_requests",
  //         "quota_limit": "DefaultRequestsPerMinutePerOrganization"
  //       }
  //     }
  RATE_LIMIT_EXCEEDED = 5;

  // The request is denied because there is not enough resource quota for the
  // consumer.
  //
  // Example of an ErrorInfo when the consumer "projects/123" fails to contact
  // "compute.googleapis.com" service because consumer's resource quota usage
  // has reached the maximum value set for the quota limit "VMsPerProject"
  // on the quota metric "compute.googleapis.com/vms":
  //
  //     { "reason": "RESOURCE_QUOTA_EXCEEDED",
  //       "domain": "googleapis.com",
  //       "metadata": {
  //         "consumer": "projects/123",
  //         "service": "compute.googleapis.com",
  //         "quota_metric": "compute.googleapis.com/vms",
  //         "quota_limit": "VMsPerProject"
  //       }
  //     }
  //
  // Example of an ErrorInfo when the consumer "projects/123" checks resource
  // quota on the service "dataflow.googleapis.com" and hits the organization
  // quota limit "jobs-per-organization" on the metric
  // "dataflow.googleapis.com/job_count".
  //
  //     { "reason": "RESOURCE_QUOTA_EXCEEDED",
  //       "domain": "googleapis.com",
  //       "metadata": {
  //         "consumer": "projects/123",
  //         "service": "dataflow.googleapis.com",
  //         "quota_metric": "dataflow.googleapis.com/job_count",
  //         "quota_limit": "jobs-per-organization"
  //       }
  //     }
  RESOURCE_QUOTA_EXCEEDED = 6;

  // The request whose associated billing account address is in a tax restricted
  // location, violates the local tax restrictions when creating resources in
  // the restricted region.
  //
  // Example of an ErrorInfo when creating the Cloud Storage Bucket in the
  // container "projects/123" under a tax restricted region
  // "locations/asia-northeast3":
  //
  //     { "reason": "LOCATION_TAX_POLICY_VIOLATED",
  //       "domain": "googleapis.com",
  //       "metadata": {
  //         "consumer": "projects/123",
  //         "service": "storage.googleapis.com",
  //         "location": "locations/asia-northeast3"
  //       }
  //     }
  //
  // This response indicates creating the Cloud Storage Bucket in
  // "locations/asia-northeast3" violates the location tax restriction.
  LOCATION_TAX_POLICY_VIOLATED = 10;

  // The request is denied because the caller does not have required permission
  // on the user project "projects/123" or the user project is invalid. For more
  // information, check the [userProject System
  // Parameters](https://cloud.google.com/apis/docs/system-parameters).
  //
  // Example of an ErrorInfo when the caller is calling Cloud Storage service
  // with insufficient permissions on the user project:
  //
  //     { "reason": "USER_PROJECT_DENIED",
  //       "domain": "googleapis.com",
  //       "metadata": {
  //         "consumer": "projects/123",
  //         "service": "storage.googleapis.com"
  //       }
  //     }
  USER_PROJECT_DENIED = 11;

  // The request is denied because the consumer "projects/123" is suspended due
  // to Terms of Service(Tos) violations. Check [Project suspension
  // guidelines](https://cloud.google.com/resource-manager/docs/project-suspension-guidelines)
  // for more information.
  //
  // Example of an ErrorInfo when calling Cloud Storage service with the
  // suspended consumer "projects/123":
  //
  //     { "reason": "CONSUMER_SUSPENDED",
  //       "domain": "googleapis.com",
  //       "metadata": {
  //         "consumer": "projects/123",
  //         "service": "storage.googleapis.com"
  //       }
  //     }
  CONSUMER_SUSPENDED = 12;

  // The request is denied because the associated consumer is invalid. It may be
  // in a bad format, cannot be found, or have been deleted.
  //
  // Example of an ErrorInfo when calling Cloud Storage service with the
  // invalid consumer "projects/123":
  //
  //     { "reason": "CONSUMER_INVALID",
  //       "domain": "googleapis.com",
  //       "metadata": {
  //         "consumer": "projects/123",
  //         "service": "storage.googleapis.com"
  //       }
  //     }
  CONSUMER_INVALID = 14;

  // The request is denied because it violates [VPC Service
  // Controls](https://cloud.google.com/vpc-service-controls/docs/overview).
  // The 'uid' field is a random generated identifier that customer can use it
  // to search the audit log for a request rejected by VPC Service Controls. For
  // more information, please refer [VPC Service Controls
  // Troubleshooting](https://cloud.google.com/vpc-service-controls/docs/troubleshooting#unique-id)
  //
  // Example of an ErrorInfo when the consumer "projects/123" fails to call
  // Cloud Storage service because the request is prohibited by the VPC Service
  // Controls.
  //
  //     { "reason": "SECURITY_POLICY_VIOLATED",
  //       "domain": "googleapis.com",
  //       "metadata": {
  //         "uid": "123456789abcde",
  //         "consumer": "projects/123",
  //         "service": "storage.googleapis.com"
  //       }
  //     }
  SECURITY_POLICY_VIOLATED = 15;

  // The request is denied because the provided access token has expired.
  //
  // Example of an ErrorInfo when the request is calling Cloud Storage service
  // with an expired access token:
  //
  //     { "reason": "ACCESS_TOKEN_EXPIRED",
  //       "domain": "googleapis.com",
  //       "metadata": {
  //         "service": "storage.googleapis.com",
  //         "method": "google.storage.v1.Storage.GetObject"
  //       }
  //     }
  ACCESS_TOKEN_EXPIRED = 16;

  // The request is denied because the provided access token doesn't have at
  // least one of the acceptable scopes required for the API. Please check
  // [OAuth 2.0 Scopes for Google
  // APIs](https://developers.google.com/identity/protocols/oauth2/scopes) for
  // the list of the OAuth 2.0 scopes that you might need to request to access
  // the API.
  //
  // Example of an ErrorInfo when the request is calling Cloud Storage service
  // with an access token that is missing required scopes:
  //
  //     { "reason": "ACCESS_TOKEN_SCOPE_INSUFFICIENT",
  //       "domain": "googleapis.com",
  //       "metadata": {
  //         "service": "storage.googleapis.com",
  //         "method": "google.storage.v1.Storage.GetObject"
  //       }
  //     }
  ACCESS_TOKEN_SCOPE_INSUFFICIENT = 17;

  // The request is denied because the account associated with the provided
  // access token is in an invalid state, such as disabled or deleted.
  // For more information, see https://cloud.google.com/docs/authentication.
  //
  // Warning: For privacy reasons, the server may not be able to disclose the
  // email address for some accounts. The client MUST NOT depend on the
  // availability of the `email` attribute.
  //
  // Example of an ErrorInfo when the request is to the Cloud Storage API with
  // an access token that is associated with a disabled or deleted [service
  // account](http://cloud/iam/docs/service-accounts):
  //
  //     { "reason": "ACCOUNT_STATE_INVALID",
  //       "domain": "googleapis.com",
  //       "metadata": {
  //         "service": "storage.googleapis.com",
  //         "method": "google.storage.v1.Storage.GetObject",
  //         "email": "user@123.iam.gserviceaccount.com"
  //       }
  //     }
  ACCOUNT_STATE_INVALID = 18;

  // The request is denied because the type of the provided access token is not
  // supported by the API being called.
  //
  // Example of an ErrorInfo when the request is to the Cloud Storage API with
  // an unsupported token type.
  //
  //     { "reason": "ACCESS_TOKEN_TYPE_UNSUPPORTED",
  //       "domain": "googleapis.com",
  //       "metadata": {
  //         "service": "storage.googleapis.com",
  //         "method": "google.storage.v1.Storage.GetObject"
  //       }
  //     }
  ACCESS_TOKEN_TYPE_UNSUPPORTED = 19;
}
