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New Compute Engine samples.
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‎README.md‎

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@@ -9,6 +9,7 @@ This repository holds Node.js samples used throughout [cloud.google.com]().
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* [Google App Engine](#google-app-engine)
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* [Google BigQuery](#google-bigquery)
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* [Google Compute Engine](#google-compute-engine)
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* [Google Cloud Functions](#google-cloud-functions)
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* [Google Cloud Logging](#google-cloud-logging)
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* [Google Cloud Pub/Sub](#google-cloud-pubsub)
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- Load from file sample - [Source code][bigquery_file_1] | [Documentation][bigquery_file_2]
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- Load from GCS sample - [Source code][bigquery_gcs_1] | [Documentation][bigquery_gcs_2]
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## Google Compute Engine
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- Sendgrid sample - [Source code][compute_sendgrid_1] | [Documentation][compute_sendgrid_2]
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- VMs sample - [Source code][compute_vms_1] | [Documentation][compute_vms_2]
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## Google Cloud Datastore
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- Tasks sample - [Source code][datastore_1] | [Documentation][datastore_2]
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[bigquery_gcs_1]: https://github.com/GoogleCloudPlatform/nodejs-docs-samples/blob/master/bigquery/load_data_from_gcs.js
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[bigquery_gcs_2]: https://cloud.google.com/bigquery/loading-data-into-bigquery#loaddatagcs
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[compute_sendgrid_1]: https://github.com/GoogleCloudPlatform/nodejs-docs-samples/blob/master/computeengine/sendgrid.js
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[compute_sendgrid_2]: https://cloud.google.com/compute/docs/tutorials/sending-mail/using-sendgrid
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[compute_vms_1]: https://github.com/GoogleCloudPlatform/nodejs-docs-samples/blob/master/computeengine/vms.js
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[compute_vms_2]: https://cloud.google.com/compute/docs/tutorials/nodejs-guide
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[datastore_1]: https://github.com/GoogleCloudPlatform/nodejs-docs-samples/blob/master/datastore/tasks.js
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[datastore_2]: https://cloud.google.com/datastore/docs/concepts/overview
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‎computeengine/README.md‎

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## Compute Engine Samples
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These samples require two environment variables to be set:
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- `GOOGLE_APPLICATION_CREDENTIALS` - Path to a service account file. You can
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download one from your Google project's "permissions" page.
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- `GCLOUD_PROJECT` - Id of your Google project.
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## Run the samples
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Install dependencies:
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npm install
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### sendgrid.js
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Also required a `SENDGRID_API_KEY` environment variable to be set.
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npm run sendgrid
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### vms.js
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npm run vms
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### vms_api.js
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npm run vms_api
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‎computeengine/package.json‎

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{
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"name": "computeengine",
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"description": "Collection of Node.js samples on Google Compute Engine.",
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"version": "0.0.1",
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"private": true,
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"license": "Apache Version 2.0",
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"author": "Google Inc.",
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"engines": {
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"node": ">=0.10.x"
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},
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"scripts": {
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"sendgrid": "node sendgrid.js",
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"vms": "node vms.js",
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"vms_api": "node vms_api.js"
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},
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"dependencies": {
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"gcloud": "^0.30.2",
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"googleapis": "^4.0.0",
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"sendgrid": "^2.0.0"
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}
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}

computeengine/sendgrid/sendmail.js renamed to computeengine/sendgrid.js

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‎computeengine/sendgrid/package.json‎

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‎computeengine/vms.js‎

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// Copyright 2016, Google, Inc.
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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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// [START complete]
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'use strict';
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// [START auth]
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// You must set the GOOGLE_APPLICATION_CREDENTIALS and GCLOUD_PROJECT
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// environment variables to run this sample
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var projectId = process.env.GCLOUD_PROJECT;
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// Initialize gcloud
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var gcloud = require('gcloud')({
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projectId: projectId
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});
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// [END auth]
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// [START initialize]
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// Get a reference to the compute component
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var compute = gcloud.compute();
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// [END initialize]
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// [START list]
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/**
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* @param {Function} callback Callback function.
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*/
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function getVmsExample(callback) {
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// In this example we only want one VM per page
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var options = {
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maxResults: 1
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};
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compute.getVMs(options, function (err, vms) {
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if (err) {
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return callback(err);
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}
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console.log('VMs:', vms);
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callback(null, vms);
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});
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}
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// [END list]
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// [END complete]
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// Run the examples
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exports.main = function (cb) {
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getVmsExample(cb);
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};
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if (module === require.main) {
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exports.main(console.log);
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}

‎computeengine/vms_api.js‎

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// Copyright 2016, Google, Inc.
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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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'use strict';
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// [START complete]
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// [START initialize]
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var google = require('googleapis');
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var compute = google.compute('v1');
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// [END initialize]
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// [START auth]
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function auth(callback) {
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google.auth.getApplicationDefault(function (err, authClient) {
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if (err) {
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return callback(err);
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}
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// The createScopedRequired method returns true when running on GAE or a
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// local developer machine. In that case, the desired scopes must be passed
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// in manually. When the code is running in GCE or a Managed VM, the scopes
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// are pulled from the GCE metadata server.
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// See https://cloud.google.com/compute/docs/authentication for more
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// information.
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if (authClient.createScopedRequired && authClient.createScopedRequired()) {
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// Scopes can be specified either as an array or as a single,
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// space-delimited string.
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authClient = authClient.createScoped([
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'https://www.googleapis.com/auth/cloud-platform',
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'https://www.googleapis.com/auth/compute',
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'https://www.googleapis.com/auth/compute.readonly'
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]);
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}
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callback(null, authClient);
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});
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}
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// [END auth]
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// [START list]
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/**
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* @param {Function} callback Callback function.
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*/
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function getVmsExample(callback) {
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auth(function (err, authClient) {
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if (err) {
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return callback(err);
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}
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// Retrieve the vms
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compute.instances.aggregatedList({
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auth: authClient,
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project: process.env.GCLOUD_PROJECT,
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// In this example we only want one VM per page
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maxResults: 1
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}, function (err, vms) {
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if (err) {
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return callback(err);
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}
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console.log('VMs:', vms);
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callback(null, vms);
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});
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});
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}
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// [END list]
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// [END complete]
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// Run the examples
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exports.main = function (cb) {
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getVmsExample(cb);
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};
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if (module === require.main) {
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exports.main(console.log);
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}

‎package.json‎

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"cover": "npm run deps_appengine && nyc ava --match='!*: dependencies should install*'",
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"report": "nyc report --reporter=text-lcov | ./node_modules/.bin/coveralls",
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"report-html": "nyc report --reporter=html",
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"deps_gce": "cd computeengine; npm i; cd ../",
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"deps_bigquery": "cd bigquery; npm i; cd ../",
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"deps_datastore": "cd datastore; npm i; cd ../",
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"deps_pubsub": "cd pubsub; npm i; cd ../",
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"deps_prediction": "cd prediction; npm i; cd ../",
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"deps_logging": "cd logging; npm i; cd ../",
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"deps_functions": "cd functions/uuid; npm i; cd ../..",
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"deps_sendgrid": "cd computeengine/sendgrid; npm i; cd ../..",
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"pretest_geddy": "cd appengine/geddy; npm i geddy; GEDDY_SECRET=config/secrets.json; [[ -f $GEDDY_SECRET ]] || echo '{}' > $GEDDY_SECRET && node node_modules/.bin/geddy gen secret; cd ../..;",
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"pretest": "npm run deps_bigquery; npm run deps_datastore; npm run deps_monitoring; npm run deps_storage; npm run deps_pubsub; npm run deps_prediction; npm run deps_logging; npm run deps_functions; npm run deps_sendgrid; npm run pretest_geddy",
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"pretest": "npm run deps_gce; npm run deps_bigquery; npm run deps_datastore; npm run deps_monitoring; npm run deps_storage; npm run deps_pubsub; npm run deps_prediction; npm run deps_logging; npm run deps_functions; npm run pretest_geddy",
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"test": "npm run jshint && npm run cover"
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},
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"ava": {

‎test/computeengine/sendgrid.test.js‎

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process.env.SENDGRID_API_KEY = 'foo';
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test.cb('should send an email', function (t) {
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proxyquire('../../computeengine/sendgrid/sendmail.js', {
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proxyquire('../../computeengine/sendgrid.js', {
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sendgrid: function (key) {
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t.is(key, 'foo');
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return {

‎test/computeengine/vms.test.js‎

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// Copyright 2016, Google, Inc.
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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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'use strict';
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var test = require('ava');
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var vmsExample = require('../../computeengine/vms');
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test.cb('should retrieve vms', function (t) {
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vmsExample.main(function (err, result) {
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t.ifError(err);
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t.ok(result);
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t.is(Array.isArray(result), true);
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t.end();
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});
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});

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