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index.ts
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/*!
* Copyright 2016 Google Inc. All Rights Reserved.
*
* 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.
*/
import {GrpcService, GrpcServiceConfig} from './common-grpc/service';
import {PreciseDate} from '@google-cloud/precise-date';
import {replaceProjectIdToken} from '@google-cloud/projectify';
import {promisifyAll} from '@google-cloud/promisify';
import * as extend from 'extend';
import {GoogleAuth, GoogleAuthOptions} from 'google-auth-library';
import * as path from 'path';
import {common as p} from 'protobufjs';
import * as streamEvents from 'stream-events';
import * as through from 'through2';
import {
codec,
Float32,
Float,
Int,
Numeric,
PGNumeric,
PGJsonb,
SpannerDate,
Struct,
ProtoMessage,
ProtoEnum,
IProtoMessageParams,
IProtoEnumParams,
} from './codec';
import {context, propagation} from '@opentelemetry/api';
import {Backup} from './backup';
import {Database} from './database';
import {
Instance,
CreateInstanceCallback,
CreateInstanceResponse,
} from './instance';
import {
InstanceConfig,
CreateInstanceConfigCallback,
CreateInstanceConfigResponse,
} from './instance-config';
import {
grpc,
GrpcClientOptions,
CallOptions,
GoogleError,
ClientOptions,
} from 'google-gax';
import {google, google as instanceAdmin} from '../protos/protos';
import {
PagedOptions,
PagedResponse,
PagedCallback,
PagedOptionsWithFilter,
CLOUD_RESOURCE_HEADER,
NormalCallback,
getCommonHeaders,
} from './common';
import {Session} from './session';
import {SessionPool} from './session-pool';
import {Table} from './table';
import {
MutationGroup,
MutationSet,
PartitionedDml,
Snapshot,
Transaction,
} from './transaction';
import grpcGcpModule = require('grpc-gcp');
const grpcGcp = grpcGcpModule(grpc);
import * as v1 from './v1';
import {
ObservabilityOptions,
ensureInitialContextManagerSet,
ensureContextPropagation,
} from './instrument';
// eslint-disable-next-line @typescript-eslint/no-var-requires
const gcpApiConfig = require('./spanner_grpc_config.json');
export type IOperation = instanceAdmin.longrunning.IOperation;
export type GetInstancesOptions = PagedOptionsWithFilter;
export type GetInstancesResponse = PagedResponse<
Instance,
instanceAdmin.spanner.admin.instance.v1.IListInstancesResponse
>;
export type GetInstancesCallback = PagedCallback<
Instance,
instanceAdmin.spanner.admin.instance.v1.IListInstancesResponse
>;
export type GetInstanceConfigsOptions = PagedOptions;
export type GetInstanceConfigsResponse = PagedResponse<
instanceAdmin.spanner.admin.instance.v1.IInstanceConfig,
instanceAdmin.spanner.admin.instance.v1.IListInstanceConfigsResponse
>;
export type GetInstanceConfigsCallback = PagedCallback<
instanceAdmin.spanner.admin.instance.v1.IInstanceConfig,
instanceAdmin.spanner.admin.instance.v1.IListInstanceConfigsResponse
>;
export interface GetInstanceConfigOptions {
gaxOptions?: CallOptions;
}
export type GetInstanceConfigResponse = [IInstanceConfig];
export type GetInstanceConfigCallback = NormalCallback<IInstanceConfig>;
export type GetInstanceConfigOperationsOptions = PagedOptionsWithFilter;
export type GetInstanceConfigOperationsResponse = PagedResponse<
IOperation,
instanceAdmin.spanner.admin.instance.v1.IListInstanceConfigOperationsResponse
>;
export type GetInstanceConfigOperationsCallback = PagedCallback<
IOperation,
instanceAdmin.spanner.admin.instance.v1.IListInstanceConfigOperationsResponse
>;
/**
* Session pool configuration options.
* @property {boolean} [routeToLeaderEnabled=True] If set to false leader aware routing will be disabled.
* Disabling leader aware routing would route all requests in RW/PDML transactions to any region.
* @property {google.spanner.v1.IDirectedReadOptions} [directedReadOptions] Sets the DirectedReadOptions for all ReadRequests and ExecuteSqlRequests for the Client.
* Indicates which replicas or regions should be used for non-transactional reads or queries.
* DirectedReadOptions won't be set for readWrite transactions"
* @property {ObservabilityOptions} [observabilityOptions] Sets the observability options to be used for OpenTelemetry tracing
*/
export interface SpannerOptions extends GrpcClientOptions {
apiEndpoint?: string;
servicePath?: string;
port?: number;
sslCreds?: grpc.ChannelCredentials;
routeToLeaderEnabled?: boolean;
directedReadOptions?: google.spanner.v1.IDirectedReadOptions | null;
observabilityOptions?: ObservabilityOptions;
}
export interface RequestConfig {
client: string;
method: string;
// eslint-disable-next-line @typescript-eslint/no-explicit-any
reqOpts: any;
gaxOpts?: CallOptions;
headers: {[k: string]: string};
}
export interface CreateInstanceRequest {
config?: string;
nodes?: number;
processingUnits?: number;
displayName?: string;
labels?: {[k: string]: string} | null;
gaxOptions?: CallOptions;
}
export interface CreateInstanceConfigRequest {
displayName?: string;
replicas?: google.spanner.admin.instance.v1.IReplicaInfo[];
baseConfig?: string;
labels?: {[k: string]: string} | null;
etag?: string;
validateOnly?: boolean;
gaxOptions?: CallOptions;
}
/**
* Translates enum values to string keys.
*
* @param E enum type.
*/
export type EnumKey<E extends {[index: string]: unknown}> = keyof E;
/**
* Translates an enum property of an object from enum value to enum key, leaving
* all other properties as-is.
*
* @param T type containing properties to translate.
* @param U name of the enum property.
* @param E enum type to translate.
*/
export type TranslateEnumKeys<
T,
U extends keyof T,
E extends {[index: string]: unknown},
> = {
[P in keyof T]: P extends U ? EnumKey<E> | null | undefined : T[P];
};
/**
* [Cloud Spanner](https://cloud.google.com/spanner) is a highly scalable,
* transactional, managed, NewSQL database service. Cloud Spanner solves the
* need for a horizontally-scaling database with consistent global transaction
* and SQL semantics. With Cloud Spanner you don't need to choose between
* consistency and horizontal scaling — you get both.
*
* @class
*
* @see [Cloud Spanner Documentation](https://cloud.google.com/spanner/docs)
* @see [Cloud Spanner Concepts](https://cloud.google.com/spanner/docs/concepts)
*
* @example Install the client library with <a
* href="https://www.npmjs.com/">npm</a>:
* ```
* npm install --save @google-cloud/spanner
* ```
*
* @example Create a client that uses <a
* href="https://cloud.google.com/docs/authentication/production#providing_credentials_to_your_application">Application
* Default Credentials (ADC)</a>:
* ```
* const client = new Spanner();
* ```
*
* @example Create a client with <a
* href="https://cloud.google.com/docs/authentication/production#obtaining_and_providing_service_account_credentials_manually">explicit
* credentials</a>:
* ```
* const client = new Spanner({ projectId:
* 'your-project-id', keyFilename: '/path/to/keyfile.json'
* });
* ```
*
* @example <caption>include:samples/quickstart.js</caption>
* region_tag:spanner_quickstart
* Full quickstart example:
*
* @param {ClientConfig} [options] Configuration options.
*/
class Spanner extends GrpcService {
options: GoogleAuthOptions;
auth: GoogleAuth;
clients_: Map<string, {}>;
instances_: Map<string, Instance>;
instanceConfigs_: Map<string, InstanceConfig>;
projectIdReplaced_: boolean;
projectFormattedName_: string;
commonHeaders_: {[k: string]: string};
routeToLeaderEnabled = true;
directedReadOptions: google.spanner.v1.IDirectedReadOptions | null;
_observabilityOptions: ObservabilityOptions | undefined;
/**
* Placeholder used to auto populate a column with the commit timestamp.
* This can only be used for timestamp columns that have set the option
* "(allow_commit_timestamp=true)" in the schema.
*
* @type {string}
*/
static COMMIT_TIMESTAMP = 'spanner.commit_timestamp()';
static POSTGRESQL =
google.spanner.admin.database.v1.DatabaseDialect.POSTGRESQL;
static GOOGLE_STANDARD_SQL =
google.spanner.admin.database.v1.DatabaseDialect.GOOGLE_STANDARD_SQL;
/**
* Gets the configured Spanner emulator host from an environment variable.
*/
static getSpannerEmulatorHost():
| {endpoint: string; port?: number}
| undefined {
const endpointWithPort = process.env.SPANNER_EMULATOR_HOST;
if (endpointWithPort) {
if (
endpointWithPort.startsWith('http:') ||
endpointWithPort.startsWith('https:')
) {
throw new GoogleError(
'SPANNER_EMULATOR_HOST must not start with a protocol specification (http/https)'
);
}
const index = endpointWithPort.indexOf(':');
if (index > -1) {
const portName = endpointWithPort.substring(index + 1);
const port = +portName;
if (!port || port < 1 || port > 65535) {
throw new GoogleError(`Invalid port number: ${portName}`);
}
return {
endpoint: endpointWithPort.substring(0, index),
port: +endpointWithPort.substring(index + 1),
};
}
return {endpoint: endpointWithPort};
}
return undefined;
}
constructor(options?: SpannerOptions) {
const scopes: Array<{}> = [];
const clientClasses = [
v1.DatabaseAdminClient,
v1.InstanceAdminClient,
v1.SpannerClient,
];
for (const clientClass of clientClasses) {
for (const scope of clientClass.scopes) {
if (scopes.indexOf(scope) === -1) {
scopes.push(scope);
}
}
}
options = Object.assign(
{
libName: 'gccl',
libVersion: require('../../package.json').version,
scopes,
// Add grpc keep alive setting
'grpc.keepalive_time_ms': 30000,
'grpc.keepalive_timeout_ms': 10000,
// Enable grpc-gcp support
'grpc.callInvocationTransformer': grpcGcp.gcpCallInvocationTransformer,
'grpc.channelFactoryOverride': grpcGcp.gcpChannelFactoryOverride,
'grpc.gcpApiConfig': grpcGcp.createGcpApiConfig(gcpApiConfig),
grpc,
},
options || {}
) as {} as SpannerOptions;
const directedReadOptions = options.directedReadOptions
? options.directedReadOptions
: null;
delete options.directedReadOptions;
const emulatorHost = Spanner.getSpannerEmulatorHost();
if (
emulatorHost &&
emulatorHost.endpoint &&
emulatorHost.endpoint.length > 0
) {
options.servicePath = emulatorHost.endpoint;
options.port = emulatorHost.port;
options.sslCreds = grpc.credentials.createInsecure();
}
const config = {
baseUrl:
options.apiEndpoint ||
options.servicePath ||
// TODO: for TPC, this needs to support universeDomain
'spanner.googleapis.com',
protosDir: path.resolve(__dirname, '../protos'),
protoServices: {
Operations: {
path: 'google/longrunning/operations.proto',
service: 'longrunning',
},
},
scopes: ['https://www.googleapis.com/auth/cloud-platform'],
packageJson: require('../../package.json'),
} as {} as GrpcServiceConfig;
super(config, options);
if (options.routeToLeaderEnabled === false) {
this.routeToLeaderEnabled = false;
}
this.options = options;
this.auth = new GoogleAuth(this.options);
this.clients_ = new Map();
this.instances_ = new Map();
this.instanceConfigs_ = new Map();
this.projectIdReplaced_ = false;
this.projectFormattedName_ = 'projects/' + this.projectId;
this.directedReadOptions = directedReadOptions;
this._observabilityOptions = options.observabilityOptions;
this.commonHeaders_ = getCommonHeaders(
this.projectFormattedName_,
this._observabilityOptions?.enableEndToEndTracing
);
ensureInitialContextManagerSet();
ensureContextPropagation();
}
/**
* Gets the InstanceAdminClient object.
* The returned InstanceAdminClient object is a shared, managed instance and should not be manually closed.
* @returns {v1.InstanceAdminClient} The InstanceAdminClient object
* @example
* ```
* const {Spanner} = require('@google-cloud/spanner');
* const spanner = new Spanner({
* projectId: projectId,
* });
* const instanceAdminClient = spanner.getInstanceAdminClient();
* ```
*/
getInstanceAdminClient(): v1.InstanceAdminClient {
const clientName = 'InstanceAdminClient';
if (!this.clients_.has(clientName)) {
this.clients_.set(
clientName,
new v1[clientName](this.options as ClientOptions)
);
}
return this.clients_.get(clientName)! as v1.InstanceAdminClient;
}
/**
* Gets the DatabaseAdminClient object.
* The returned DatabaseAdminClient object is a managed, shared instance and should not be manually closed.
* @returns {v1.DatabaseAdminClient} The DatabaseAdminClient object.
* @example
* ```
* const {Spanner} = require('@google-cloud/spanner');
* const spanner = new Spanner({
* projectId: projectId,
* });
* const databaseAdminClient = spanner.getDatabaseAdminClient();
* ```
*/
getDatabaseAdminClient(): v1.DatabaseAdminClient {
const clientName = 'DatabaseAdminClient';
if (!this.clients_.has(clientName)) {
this.clients_.set(
clientName,
new v1[clientName](this.options as ClientOptions)
);
}
return this.clients_.get(clientName)! as v1.DatabaseAdminClient;
}
/** Closes this Spanner client and cleans up all resources used by it. */
close(): void {
this.clients_.forEach(c => {
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const client = c as any;
if (client.operationsClient && client.operationsClient.close) {
client.operationsClient.close();
}
client.close();
});
}
/**
* Config for the new instance.
*
* @typedef {object} CreateInstanceRequest
* @property {string} config The name of the instance's configuration.
* @property {number} [nodes=1] The number of nodes allocated to this instance.
* Defaults to 1.
* @property {Object.<string, string>} [labels] Labels are a flexible and
* lightweight mechanism for organizing cloud resources into groups that
* reflect a customer's organizational needs and deployment strategies.
* Cloud Labels can be used to filter collections of resources. They can
* be used to control how resource metrics are aggregated. And they can
* be used as arguments to policy management rules (e.g. route,
* firewall, load balancing, etc.).
* @property {string} [displayName] The descriptive name for this instance
* as it appears in UIs. Must be unique per project and between 4 and 30
* characters in length.
* Defaults to the instance unique identifier '<instance>' of the full
* instance name of the form 'projects/<project>/instances/<instance>'.
*/
/**
* @typedef {array} CreateInstanceResponse
* @property {Instance} 0 The new {@link Instance}.
* @property {google.longrunning.Operation} 1 An operation object that can be used to check
* the status of the request.
* @property {google.longrunning.IOperation} 2 The full API response.
*/
/**
* @callback CreateInstanceCallback
* @param {?Error} err Request error, if any.
* @param {Instance} instance The new {@link Instance}.
* @param {google.longrunning.Operation} operation An operation object that can be used to
* check the status of the request.
* @param {google.longrunning.IOperation} apiResponse The full API response.
*/
/**
* Create an instance.
*
* Wrapper around {@link v1.InstanceAdminClient#createInstance}.
*
* @see {@link v1.InstanceAdminClient#createInstance}
* @see [CreateInstance API Documentation](https://cloud.google.com/spanner/docs/reference/rpc/google.spanner.admin.instance.v1#google.spanner.admin.instance.v1.InstanceAdmin.CreateInstance)
*
* @throws {GoogleError} If a name is not provided.
* @throws {GoogleError} If a configuration object is not provided.
*
* @param {string} name The name of the instance to be created.
* @param {CreateInstanceRequest} config Configuration object.
* @param {CreateInstanceCallback} [callback] Callback function.
* @returns {Promise<CreateInstanceResponse>}
*
* @example
* ```
* const {Spanner} = require('@google-cloud/spanner');
* const spanner = new Spanner();
*
* const config = {
* config: 'regional-us-central1',
* nodes: 1
* };
*
* function callback(err, instance, operation, apiResponse) {
* if (err) {
* // Error handling omitted.
* }
*
* operation
* .on('error', function(err) {})
* .on('complete', function() {
* // Instance created successfully.
* });
* }
*
* spanner.createInstance('new-instance-name', config, callback);
*
* //-
* // If the callback is omitted, we'll return a Promise.
* //-
* spanner.createInstance('new-instance-name', config)
* .then(function(data) {
* const instance = data[0];
* const operation = data[1];
* return operation.promise();
* })
* .then(function() {
* // Instance created successfully.
* });
* ```
*/
createInstance(
name: string,
config: CreateInstanceRequest
): Promise<CreateInstanceResponse>;
createInstance(
name: string,
config: CreateInstanceRequest,
callback: CreateInstanceCallback
): void;
createInstance(
name: string,
config: CreateInstanceRequest,
callback?: CreateInstanceCallback
): void | Promise<CreateInstanceResponse> {
if (!name) {
throw new GoogleError('A name is required to create an instance.');
}
if (!config) {
throw new GoogleError(
['A configuration object is required to create an instance.'].join('')
);
}
const formattedName = Instance.formatName_(this.projectId, name);
const displayName = config.displayName || formattedName.split('/').pop();
const reqOpts = {
parent: this.projectFormattedName_,
instanceId: formattedName.split('/').pop(),
instance: extend(
{
name: formattedName,
displayName,
nodeCount: config.nodes,
processingUnits: config.processingUnits,
},
config
),
};
if (reqOpts.instance.nodeCount && reqOpts.instance.processingUnits) {
throw new GoogleError(
['Only one of nodeCount or processingUnits can be specified.'].join('')
);
}
if (!reqOpts.instance.nodeCount && !reqOpts.instance.processingUnits) {
// If neither nodes nor processingUnits are specified, default to a
// nodeCount of 1.
reqOpts.instance.nodeCount = 1;
}
delete reqOpts.instance.nodes;
delete reqOpts.instance.gaxOptions;
if (config.config!.indexOf('/') === -1) {
reqOpts.instance.config = `projects/${this.projectId}/instanceConfigs/${config.config}`;
}
this.request(
{
client: 'InstanceAdminClient',
method: 'createInstance',
reqOpts,
gaxOpts: config.gaxOptions,
headers: this.commonHeaders_,
},
(err, operation, resp) => {
if (err) {
callback!(err, null, null, resp);
return;
}
const instance = this.instance(formattedName);
instance._observabilityOptions = this._observabilityOptions;
callback!(null, instance, operation, resp);
}
);
}
/**
* Query object for listing instances.
*
* @typedef {object} GetInstancesOptions
* @property {object} [gaxOptions] Request configuration options,
* See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions}
* for more details.
* @property {string} [filter] An expression for filtering the results of the
* request. Filter rules are case insensitive. The fields eligible for
* filtering are:
* - **`name`**
* - **`display_name`**
* - **`labels.key`** where key is the name of a label
*
* Some examples of using filters are:
* - **`name:*`** The instance has a name.
* - **`name:Howl`** The instance's name is howl.
* - **`labels.env:*`** The instance has the label env.
* - **`labels.env:dev`** The instance's label env has the value dev.
* - **`name:howl labels.env:dev`** The instance's name is howl and it has
* the label env with value dev.
* @property {number} [pageSize] Maximum number of results per page.
* @property {string} [pageToken] A previously-returned page token
* representing part of the larger set of results to view.
*/
/**
* @typedef {array} GetInstancesResponse
* @property {Instance[]} 0 Array of {@link Instance} instances.
* @property {object} 1 A query object to receive more results.
* @property {object} 2 The full API response.
*/
/**
* @callback GetInstancesCallback
* @param {?Error} err Request error, if any.
* @param {Instance[]} instances Array of {@link Instance} instances.
* @param {string} nextQuery A query object to receive more results.
* @param {object} apiResponse The full API response.
*/
/**
* Get a list of instances.
*
* Wrapper around {@link v1.InstanceAdminClient#listInstances}.
*
* @see {@link v1.InstanceAdminClient#listInstances}
* @see [ListInstances API Documentation](https://cloud.google.com/spanner/docs/reference/rpc/google.spanner.admin.instance.v1#google.spanner.admin.instance.v1.InstanceAdmin.ListInstances)
*
* @param {GetInstancesOptions} [options] Query object for listing instances.
* @param {GetInstancesCallback} [callback] Callback function.
* @returns {Promise<GetInstancesResponse>}
*
* @example
* ```
* const {Spanner} = require('@google-cloud/spanner');
* const spanner = new Spanner();
*
* spanner.getInstances(function(err, instances) {
* // `instances` is an array of `Instance` objects.
* });
*
* //-
* // To control how many API requests are made and page through the results
* // manually, set `autoPaginate` to `false`.
* //-
* function callback(err, instances, nextQuery, apiResponse) {
* if (nextQuery) {
* // More results exist.
* spanner.getInstances(nextQuery, callback);
* }
* }
*
* spanner.getInstances({
* gaxOptions: {
* autoPaginate: false,
* }
* }, callback);
*
* //-
* // If the callback is omitted, we'll return a Promise.
* //-
* spanner.getInstances().then(function(data) {
* const instances = data[0];
* });
* ```
*/
getInstances(options?: GetInstancesOptions): Promise<GetInstancesResponse>;
getInstances(callback: GetInstancesCallback): void;
getInstances(
query: GetInstancesOptions,
callback: GetInstancesCallback
): void;
getInstances(
optionsOrCallback?: GetInstancesOptions | GetInstancesCallback,
cb?: GetInstancesCallback
): Promise<GetInstancesResponse> | void {
// eslint-disable-next-line @typescript-eslint/no-this-alias
const self = this;
const options =
typeof optionsOrCallback === 'object'
? optionsOrCallback
: ({} as GetInstancesOptions);
const callback =
typeof optionsOrCallback === 'function' ? optionsOrCallback : cb!;
const gaxOpts = extend(true, {}, options.gaxOptions);
let reqOpts = extend({}, options, {
parent: 'projects/' + this.projectId,
});
delete reqOpts.gaxOptions;
// Copy over pageSize and pageToken values from gaxOptions.
// However values set on options take precedence.
if (gaxOpts) {
reqOpts = extend(
{},
{
pageSize: (gaxOpts as GetInstancesOptions).pageSize,
pageToken: (gaxOpts as GetInstancesOptions).pageToken,
},
reqOpts
);
delete (gaxOpts as GetInstancesOptions).pageToken;
delete (gaxOpts as GetInstancesOptions).pageSize;
}
this.request(
{
client: 'InstanceAdminClient',
method: 'listInstances',
reqOpts,
gaxOpts,
headers: this.commonHeaders_,
},
(err, instances, nextPageRequest, ...args) => {
let instanceInstances: Instance[] | null = null;
if (instances) {
instanceInstances = instances.map(instance => {
const instanceInstance = self.instance(instance.name);
instanceInstance.metadata = instance;
return instanceInstance;
});
}
const nextQuery = nextPageRequest!
? extend({}, options, nextPageRequest!)
: null;
callback!(err, instanceInstances, nextQuery, ...args);
}
);
}
/**
* Get a list of {@link Instance} objects as a readable object stream.
*
* Wrapper around {@link v1.InstanceAdminClient#listInstances}.
*
* @see {@link v1.InstanceAdminClient#listInstances}
* @see [ListInstances API Documentation](https://cloud.google.com/spanner/docs/reference/rpc/google.spanner.admin.instance.v1#google.spanner.admin.instance.v1.InstanceAdmin.ListInstances)
*
* @method Spanner#getInstancesStream
* @param {GetInstancesOptions} [options] Query object for listing instances.
* @returns {ReadableStream} A readable stream that emits {@link Instance}
* instances.
*
* @example
* ```
* const {Spanner} = require('@google-cloud/spanner');
* const spanner = new Spanner();
*
* spanner.getInstancesStream()
* .on('error', console.error)
* .on('data', function(instance) {
* // `instance` is an `Instance` object.
* })
* .on('end', function() {
* // All instances retrieved.
* });
*
* //-
* // If you anticipate many results, you can end a stream early to prevent
* // unnecessary processing and API requests.
* //-
* spanner.getInstancesStream()
* .on('data', function(instance) {
* this.end();
* });
* ```
*/
getInstancesStream(options: GetInstancesOptions = {}): NodeJS.ReadableStream {
const gaxOpts = extend(true, {}, options.gaxOptions);
let reqOpts = extend({}, options, {
parent: 'projects/' + this.projectId,
});
delete reqOpts.gaxOptions;
// Copy over pageSize and pageToken values from gaxOptions.
// However values set on options take precedence.
if (gaxOpts) {
reqOpts = extend(
{},
{
pageSize: (gaxOpts as GetInstancesOptions).pageSize,
pageToken: (gaxOpts as GetInstancesOptions).pageToken,
},
reqOpts
);
delete (gaxOpts as GetInstancesOptions).pageSize;
delete (gaxOpts as GetInstancesOptions).pageToken;
}
return this.requestStream({
client: 'InstanceAdminClient',
method: 'listInstancesStream',
reqOpts,
gaxOpts,
headers: this.commonHeaders_,
});
}
/**
* Config for the new instance config.
*
* @typedef {object} CreateInstanceConfigRequest
* @property {string} [displayName] The name of this instance configuration as
* it appears in the user interface.
* @property {google.spanner.admin.instance.v1.IReplicaInfo[]} [replicas] The
* geographic placement of nodes in this instance configuration and their
* replication properties.
* @property {string} [baseConfig] Base configuration name,
* e.g. projects/<project_name>/instanceConfigs/nam3 based on which this
* configuration is created.
* @property {Object.<string, string>} [labels] Cloud Labels are a flexible
* and lightweight mechanism for organizing cloud resources into groups
* that reflect a customer's organizational needs and deployment
* strategies. Cloud Labels can be used to filter collections of
* resources. They can be used to control how resource metrics are
* aggregated. And they can be used as arguments to policy management
* rules (e.g. route, firewall, load balancing, etc.).
* @property {string} [etag] etag is used for optimistic concurrency control
* as a way to help prevent simultaneous updates of a instance config from
* overwriting each other.
* @property {boolean} [validateOnly] An option to validate, but not actually
* execute, a request, and provide the same response.
*/
/**
* @typedef {array} CreateInstanceConfigResponse
* @property {InstanceConfig} 0 The new {@link google.spanner.admin.instance.v1.InstanceConfig}.
* @property {google.longrunning.Operation} 1 An operation object that can be
* used to check the status of the request.
* @property {google.longrunning.IOperation} 2 The full API response.
*/
/**
* @callback CreateInstanceConfigCallback
* @param {?Error} err Request error, if any.
* @param {InstanceConfig} instanceConfig The new {@link google.spanner.admin.instance.v1.InstanceConfig}.
* @param {google.longrunning.Operation} operation An operation object that
* can be used to check the status of the request.
* @param {google.longrunning.IOperation} apiResponse The full API response.
*/
/**
* Create an instance config.
*
* Wrapper around {@link v1.InstanceAdminClient#createInstanceConfig}.
*
* @see {@link v1.InstanceAdminClient#createInstanceConfig}
* @see [CreateInstanceConfig API Documentation](https://cloud.google.com/spanner/docs/reference/rpc/google.spanner.admin.instance.v1#google.spanner.admin.instance.v1.InstanceAdmin.CreateInstanceConfig)
*
* @throws {GoogleError} If a name is not provided.
* @throws {GoogleError} If a configuration object is not provided.
* @throws {GoogleError} If a base config is not provided in the configuration
* object.
*
* @param {string} name The name of the instance config to be created.
* @param {CreateInstanceConfigRequest} config Configuration object.
* @param {CreateInstanceConfigCallback} [callback] Callback function.
* @returns {Promise<CreateInstanceConfigResponse>}
*
* @example
* ```
* const {Spanner} = require('@google-cloud/spanner');
* const spanner = new Spanner();
*
* const [baseInstanceConfig] =
* await spanner.getInstanceConfig(baseInstanceConfigId);
* const config = {
* baseConfig: baseInstanceConfig.name,
* replicas: baseInstanceConfig.replicas.concat(baseInstanceConfig.optionalReplicas[0])
* };
*
* function callback(err, instance, operation, apiResponse) {
* if (err) {
* // Error handling omitted.
* }
*
* operation
* .on('error', function(err) {})
* .on('complete', function() {
* // Instance created successfully.
* });
* }
*
* spanner.createInstanceConfig('custom-new-instance-config', config, callback);
*
* //-
* // If the callback is omitted, we'll return a Promise.
* //-
* spanner.createInstanceConfig('custom-new-instance-config', config)
* .then(function(data) {
* const instanceConfig = data[0];
* const operation = data[1];
* return operation.promise();
* })
* .then(function() {
* // Instance config created successfully.
* });
* ```
*/
createInstanceConfig(
name: string,
config: CreateInstanceConfigRequest
): Promise<CreateInstanceConfigResponse>;
createInstanceConfig(
name: string,
config: CreateInstanceConfigRequest,
callback: CreateInstanceConfigCallback
): void;
createInstanceConfig(
name: string,
config: CreateInstanceConfigRequest,
callback?: CreateInstanceConfigCallback
): void | Promise<CreateInstanceConfigResponse> {
if (!name) {
throw new GoogleError('A name is required to create an instance config.');
}
if (!config) {
throw new GoogleError(
[
'A configuration object is required to create an instance config.',
].join('')
);
}
if (!config.baseConfig) {
throw new GoogleError(
['Base instance config is required to create an instance config.'].join(
''
)
);
}
const formattedName = InstanceConfig.formatName_(this.projectId, name);
const displayName = config.displayName || formattedName.split('/').pop();
const reqOpts = {
parent: this.projectFormattedName_,
instanceConfigId: formattedName.split('/').pop(),
instanceConfig: extend(
{
name: formattedName,
displayName,
},
config
),
validateOnly: config.validateOnly,
};
if (config.baseConfig!.indexOf('/') === -1) {
reqOpts.instanceConfig.baseConfig = `projects/${this.projectId}/instanceConfigs/${config.baseConfig}`;
}
// validateOnly need not be passed in if it is null.
if (reqOpts.validateOnly === null || reqOpts.validateOnly === undefined)
delete reqOpts.validateOnly;
// validateOnly and gaxOptions are not fields in InstanceConfig.
delete reqOpts.instanceConfig.validateOnly;
delete reqOpts.instanceConfig.gaxOptions;
this.request(
{
client: 'InstanceAdminClient',
method: 'createInstanceConfig',
reqOpts,
gaxOpts: config.gaxOptions,
headers: this.commonHeaders_,
},
(err, operation, resp) => {
if (err) {
callback!(err, null, null, resp);
return;
}
const instanceConfig = this.instanceConfig(formattedName);
callback!(null, instanceConfig, operation, resp);
}
);