Merge pull request #2868 from GoogleCloudPlatform/nodejs-monitoring-migration-2

Adds quickstart samples referenced in DevSite

Author: ahrarmonsur

monitoring/snippets/quickstart.js

@@ -0,0 +1,77 @@
+// Copyright 2017 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.
+
+'use strict';
+
+async function main(projectId) {
+  // [START monitoring_quickstart]
+  // Imports the Google Cloud client library
+  const monitoring = require('@google-cloud/monitoring');
+
+  async function quickstart() {
+    // Creates a client
+    const client = new monitoring.MetricServiceClient();
+
+    // TODO(developer): Uncomment and set the following variables
+    // const projectId = "PROJECT_ID"
+
+    // Prepares an individual data point
+    const dataPoint = {
+      interval: {
+        endTime: {
+          seconds: Date.now() / 1000,
+        },
+      },
+      value: {
+        // The amount of sales
+        doubleValue: 123.45,
+      },
+    };
+
+    // Prepares the time series request
+    const request = {
+      name: client.projectPath(projectId),
+      timeSeries: [
+        {
+          // Ties the data point to a custom metric
+          metric: {
+            type: 'custom.googleapis.com/stores/daily_sales',
+            labels: {
+              store_id: 'Pittsburgh',
+            },
+          },
+          resource: {
+            type: 'global',
+            labels: {
+              project_id: projectId,
+            },
+          },
+          points: [dataPoint],
+        },
+      ],
+    };
+
+    // Writes time series data
+    const [result] = await client.createTimeSeries(request);
+    console.log('Done writing time series data.', result);
+  }
+  quickstart();
+  // [END monitoring_quickstart]
+}
+
+process.on('unhandledRejection', err => {
+  console.error(err.message);
+  process.exitCode = 1;
+});
+main(...process.argv.slice(2));

monitoring/snippets/test/quickstart.test.js

@@ -0,0 +1,49 @@
+// Copyright 2017 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.
+
+'use strict';
+
+const {assert} = require('chai');
+const {describe, it, before} = require('mocha');
+const cp = require('child_process');
+const monitoring = require('@google-cloud/monitoring');
+
+const client = new monitoring.AlertPolicyServiceClient();
+
+const execSync = cmd => cp.execSync(cmd, {encoding: 'utf-8'});
+// Tests in this suite can trigger the upstream error,
+// "points were written more frequently than the maximum
+//  sampling period configured for the metric":
+const delay = async test => {
+  const retries = test.currentRetry();
+  if (retries === 0) return; // no retry on the first failure.
+  // see: https://cloud.google.com/storage/docs/exponential-backoff:
+  const ms = Math.pow(2, retries) * 250 + Math.random() * 1000;
+  return new Promise(done => {
+    console.info(`retrying "${test.title}" in ${ms}ms`);
+    setTimeout(done, ms);
+  });
+};
+describe('quickstart', () => {
+  let projectId;
+  before(async () => {
+    projectId = await client.getProjectId();
+  });
+  it('should run the quickstart', async function () {
+    this.retries(8);
+    await delay(this.test); // delay the start of the test, if this is a retry.
+    const result = execSync(`node quickstart.js ${projectId}`);
+    assert.match(result, /Done writing time series data/);
+  });
+});