Sandbox::https://github.com/googleapis/nodejs-spanner/blob/main/samples/list-instance-configs.js

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/**

* 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.

// sample-metadata:

// title: Lists all the available instance configs for the selected project.

// usage: node list-instance-configs.js <PROJECT_ID>

'use strict';

function main(projectId) {

// [START spanner_list_instance_configs]

/**

* TODO(developer): Uncomment the following line before running the sample.

// const projectId = 'my-project-id';

// Imports the Google Cloud client library

const {Spanner} = require('@google-cloud/spanner');

// Creates a client

const spanner = new Spanner({

projectId: projectId,

});

const instanceAdminClient = spanner.getInstanceAdminClient();

async function listInstanceConfigs() {

// Lists all available instance configurations in the project.

// See https://cloud.google.com/spanner/docs/instance-configurations#configuration for a list of all available

// configurations.

const [instanceConfigs] = await instanceAdminClient.listInstanceConfigs({

parent: instanceAdminClient.projectPath(projectId),

});

console.log(`Available instance configs for project ${projectId}:`);

instanceConfigs.forEach(instanceConfig => {

console.log(

`Available leader options for instance config ${

instanceConfig.name

} ('${instanceConfig.displayName}'):

${instanceConfig.leaderOptions.join()}`,

);

});

}

listInstanceConfigs();

// [END spanner_list_instance_configs]

}

process.on('unhandledRejection', err => {

console.error(err.message);

process.exitCode = 1;

});

main(...process.argv.slice(2));

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