/
listImagesByPage.js
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/
listImagesByPage.js
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// 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.
/**
* Prints a list of all non-deprecated image names available in a given project, divided into pages as returned by the Compute Engine API.
*
* @param {string} projectId - ID or number of the project you want to list images from
* @param {number} pageSize - size of the pages you want the API to return on each call.
*/
function main(projectId, pageSize = 10) {
// [START compute_images_list_page]
/**
* TODO(developer): Uncomment and replace these variables before running the sample.
*/
// const projectId = 'YOUR_PROJECT_ID';
// const pageSize = 10;
const compute = require('@google-cloud/compute');
async function listImagesByPage() {
const imagesClient = new compute.ImagesClient();
// Listing only non-deprecated images to reduce the size of the reply.
const listRequest = {
project: projectId,
maxResults: pageSize,
filter: 'deprecated.state != DEPRECATED',
};
const options = {
autoPaginate: false,
};
let pageNum = 1;
// Set autoPaginate option to `false` to have more granular control of
// iteration over paginated results from the API. Each time you want to access the
// next page, the library retrieves that page from the API.
const listCallback = (err, resources, nextPageRequest, response) => {
if (err) {
console.error(err);
return;
}
console.log(`Page ${pageNum}:`);
pageNum += 1;
for (let i = 0; i < resources.length; i++) {
console.log(resources[i].name);
}
if (response.nextPageToken) {
imagesClient.list(nextPageRequest, options, listCallback);
}
};
imagesClient.list(listRequest, options, listCallback);
}
listImagesByPage();
// [END compute_images_list_page]
}
main(...process.argv.slice(2));