// Copyright 2021 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.

/**

* Retrieve Compute Engine usage export bucket for the Cloud project.

* Replaces the empty value returned by the API with the default value used to generate report file names.

*

* @param {string} projectId - ID or number of the project you want to use.

*/

function main(projectId) {

// [START compute_usage_report_get]

/**

* TODO(developer): Uncomment and replace these variables before running the sample.

*/

// const projectId = 'YOUR_PROJECT_ID';

const compute = require('@google-cloud/compute');

async function getUsageExportBucket() {

// Get the usage export location for the project from the server.

const projectsClient = new compute.ProjectsClient();

const [project] = await projectsClient.get({

project: projectId,

});

const usageExportLocation = project.usageExportLocation;

if (!usageExportLocation || !usageExportLocation.bucketName) {

// The usage reports are disabled.

return;

}

if (!usageExportLocation.reportNamePrefix) {

// Although the server explicitly sent the empty string value,

// the next usage report generated with these settings still has the default prefix value `usage_gce`.

// (see https://cloud.google.com/compute/docs/reference/rest/v1/projects/get)

console.log(

'Report name prefix not set, replacing with default value of `usage_gce`.'

);

usageExportLocation.reportNamePrefix = 'usage_gce';

}

console.log(

'Returned reportNamePrefix:',

usageExportLocation.reportNamePrefix

);

}

getUsageExportBucket();

// [END compute_usage_report_get]

}

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