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chore(samples): add moving instances between zones samples (#747)
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‎compute/disks/createDiskFromSnapshot.js

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// Copyright 2022 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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* Creates a new disk in a project in given zone.
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*
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* @param {string} projectId - Project ID or project number of the Cloud project you want to use.
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* @param {string} zone - Name of the zone to create the instance in. For example: "us-west3-b".
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* @param {string} diskName - Name of the disk you want to create.
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* @param {string} diskType - The type of disk you want to create. This value uses the following format:
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* "zones/{zone}/diskTypes/(pd-standard|pd-ssd|pd-balanced|pd-extreme)".
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* For example: "zones/us-west3-b/diskTypes/pd-ssd".
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* @param {int} diskSizeGb - Size of the new disk in gigabytes.
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* @param {string} snapshotLink - A link to the snapshot you want to use as a source for the new disk.
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* This value uses the following format: "projects/{project_name}/global/snapshots/{snapshot_name}"
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*/
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function main(projectId, zone, diskName, diskType, diskSizeGb, snapshotLink) {
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// [START compute_disk_create_from_snapshot]
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/**
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* TODO(developer): Uncomment and replace these variables before running the sample.
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*/
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// const projectId = 'YOUR_PROJECT_ID';
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// const zone = 'europe-central2-b';
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// const diskName = 'YOUR_DISK_NAME';
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// const diskType = 'zones/us-west3-b/diskTypes/pd-ssd';
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// const diskSizeGb = 10;
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// const snapshotLink = 'projects/project_name/global/snapshots/snapshot_name';
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const compute = require('@google-cloud/compute');
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async function createDiskFromSnapshot() {
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const disksClient = new compute.DisksClient();
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const [response] = await disksClient.insert({
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project: projectId,
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zone,
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diskResource: {
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sizeGb: diskSizeGb,
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name: diskName,
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zone,
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type: diskType,
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sourceSnapshot: snapshotLink,
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},
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});
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let operation = response.latestResponse;
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const operationsClient = new compute.ZoneOperationsClient();
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// Wait for the create disk operation to complete.
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while (operation.status !== 'DONE') {
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[operation] = await operationsClient.wait({
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operation: operation.name,
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project: projectId,
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zone: operation.zone.split('/').pop(),
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});
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}
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console.log('Disk created.');
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}
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createDiskFromSnapshot();
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// [END compute_disk_create_from_snapshot]
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}
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process.on('unhandledRejection', err => {
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console.error(err.message);
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process.exitCode = 1;
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});
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const args = process.argv.slice(2);
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args[4] = parseInt(args[4]);
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main(...args);

‎compute/disks/deleteDisk.js

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// Copyright 2022 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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* Deletes a disk from a project.
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*
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* @param {string} projectId - Project ID or project number of the Cloud project you want to use.
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* @param {string} zone - Name of the zone in which is the disk you want to delete.
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* @param {string} diskName - Name of the disk you want to delete.
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*/
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function main(projectId, zone, diskName) {
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// [START compute_disk_delete]
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/**
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* TODO(developer): Uncomment and replace these variables before running the sample.
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*/
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// const projectId = 'YOUR_PROJECT_ID';
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// const zone = 'europe-central2-b';
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// const diskName = 'YOUR_DISK_NAME';
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const compute = require('@google-cloud/compute');
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async function deleteDisk() {
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const disksClient = new compute.DisksClient();
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const [response] = await disksClient.delete({
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project: projectId,
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zone,
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disk: diskName,
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});
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let operation = response.latestResponse;
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const operationsClient = new compute.ZoneOperationsClient();
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// Wait for the create disk operation to complete.
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while (operation.status !== 'DONE') {
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[operation] = await operationsClient.wait({
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operation: operation.name,
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project: projectId,
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zone: operation.zone.split('/').pop(),
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});
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}
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console.log('Disk deleted.');
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}
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deleteDisk();
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// [END compute_disk_delete]
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}
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process.on('unhandledRejection', err => {
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console.error(err.message);
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process.exitCode = 1;
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});
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main(...process.argv.slice(2));

‎compute/disks/setDiskAutodelete.js

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// Copyright 2022 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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* Sets the autodelete flag of a disk to given value.
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*
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* @param {string} projectId - Project ID or project number of the Cloud project you want to use.
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* @param {string} zone - Name of the zone in which is the disk you want to modify.
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* @param {string} instanceName - Name of the instance the disk is attached to.
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* @param {string} diskName - The name of the disk which flag you want to modify.
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* @param {boolean} autoDelete - The new value of the autodelete flag.
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*/
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function main(projectId, zone, instanceName, diskName, autoDelete) {
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// [START compute_disk_autodelete_change]
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/**
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* TODO(developer): Uncomment and replace these variables before running the sample.
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*/
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// const projectId = 'YOUR_PROJECT_ID';
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// const zone = 'europe-central2-b';
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// const instanceName = 'YOUR_INSTANCE_NAME';
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// const diskName = 'YOUR_DISK_NAME';
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// const autoDelete = true;
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const compute = require('@google-cloud/compute');
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async function setDiskAutodelete() {
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const instancesClient = new compute.InstancesClient();
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const [instance] = await instancesClient.get({
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project: projectId,
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zone,
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instance: instanceName,
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});
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if (!instance.disks.some(disk => disk.deviceName === diskName)) {
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throw new Error(
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`Instance ${instanceName} doesn't have a disk named ${diskName} attached.`
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);
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}
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const [response] = await instancesClient.setDiskAutoDelete({
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project: projectId,
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zone,
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instance: instanceName,
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deviceName: diskName,
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autoDelete,
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});
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let operation = response.latestResponse;
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const operationsClient = new compute.ZoneOperationsClient();
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// Wait for the update instance operation to complete.
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while (operation.status !== 'DONE') {
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[operation] = await operationsClient.wait({
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operation: operation.name,
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project: projectId,
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zone: operation.zone.split('/').pop(),
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});
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}
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console.log('Disk autoDelete field updated.');
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}
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setDiskAutodelete();
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// [END compute_disk_autodelete_change]
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}
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process.on('unhandledRejection', err => {
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console.error(err.message);
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process.exitCode = 1;
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});
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const args = process.argv.slice(2);
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args[4] = args[4] === 'true';
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main(...args);

‎compute/getInstance.js

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// Copyright 2022 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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* Prints information about a VM instance in the given zone in the specified project.
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*
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* @param {string} projectId - Project ID or project number of the Cloud project you want to use.
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* @param {string} zone - Name of the zone you want to use. For example: 'us-west3-b'.
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* @param {string} instanceName - Name of the VM instance you want to query.
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*/
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function main(projectId, zone, instanceName) {
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// [START compute_instances_get]
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/**
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* TODO(developer): Uncomment and replace these variables before running the sample.
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*/
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// const projectId = 'YOUR_PROJECT_ID';
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// const zone = 'europe-central2-b'
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// const instanceName = 'YOUR_INSTANCE_NAME'
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const compute = require('@google-cloud/compute');
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async function getInstance() {
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const instancesClient = new compute.InstancesClient();
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const [instance] = await instancesClient.get({
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project: projectId,
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zone,
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instance: instanceName,
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});
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console.log(
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`Instance ${instanceName} data:\n${JSON.stringify(instance, null, 4)}`
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);
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}
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getInstance();
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// [END compute_instances_get]
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}
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process.on('unhandledRejection', err => {
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console.error(err.message);
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process.exitCode = 1;
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});
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main(...process.argv.slice(2));

‎compute/instances/create-start-instance/createInstanceWithExistingDisks.js

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// Copyright 2022 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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* Create a new VM instance using selected disks. The first disk in diskNames will be used as boot disk.
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*
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* @param {string} projectId - Project ID or project number of the Cloud project you want to use.
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* @param {string} zone - Name of the zone to create the instance in. For example: "us-west3-b"
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* @param {string} instanceName - Name of the new virtual machine (VM) instance.
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* @param {Array<string>} diskNames - Array of disk names to be attached to the new virtual machine.
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* First disk in this list will be used as the boot device.
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*/
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function main(projectId, zone, instanceName, diskNames) {
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// [START compute_instances_create_with_existing_disks]
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/**
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* TODO(developer): Uncomment and replace these variables before running the sample.
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*/
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// const projectId = 'YOUR_PROJECT_ID';
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// const zone = 'europe-central2-b';
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// const instanceName = 'YOUR_INSTANCE_NAME';
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// const diskNames = ['boot_disk', 'disk1', 'disk2'];
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const compute = require('@google-cloud/compute');
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async function createWithExistingDisks() {
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const instancesClient = new compute.InstancesClient();
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const disksClient = new compute.DisksClient();
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if (diskNames.length < 1) {
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throw new Error('At least one disk should be provided');
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}
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const disks = [];
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for (const diskName of diskNames) {
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const [disk] = await disksClient.get({
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project: projectId,
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zone,
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disk: diskName,
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});
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disks.push(disk);
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}
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const attachedDisks = [];
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for (const disk of disks) {
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attachedDisks.push({
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source: disk.selfLink,
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});
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}
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attachedDisks[0].boot = true;
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const [response] = await instancesClient.insert({
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project: projectId,
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zone,
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instanceResource: {
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name: instanceName,
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disks: attachedDisks,
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machineType: `zones/${zone}/machineTypes/n1-standard-1`,
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networkInterfaces: [
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{
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name: 'global/networks/default',
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},
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],
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},
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});
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let operation = response.latestResponse;
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const operationsClient = new compute.ZoneOperationsClient();
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// Wait for the create operation to complete.
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while (operation.status !== 'DONE') {
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[operation] = await operationsClient.wait({
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operation: operation.name,
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project: projectId,
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zone: operation.zone.split('/').pop(),
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});
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}
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console.log('Instance created.');
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}
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createWithExistingDisks();
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// [END compute_instances_create_with_existing_disks]
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}
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process.on('unhandledRejection', err => {
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console.error(err.message);
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process.exitCode = 1;
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});
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const args = process.argv.slice(2);
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args[3] = args[3].split(',');
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main(...args);

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