Adding StackDriver Monitoring in Google App Engine NodeJs Flexible env ??

[Sudhanshu Gaur]

I am trying to add Stackdriver Monitoring/Trace/Debugger/Profiler in my Google App Engine NodeJs App(Flexible env), now in order to add all of them i have added below code

// Google Trace API
require('@google-cloud/trace-agent').start();
// Google Trace API

//
require('@google-cloud/profiler').start();
//

// Google Debugger
require('@google-cloud/debug-agent').start();
// Google Debugger

But for Adding Monitoring we have to explicity define project-id and other things.

// Imports the Google Cloud client library
const monitoring = require('@google-cloud/monitoring');

// Your Google Cloud Platform project ID
const projectId = 'YOUR_PROJECT_ID';

// Creates a client
const client = new monitoring.MetricServiceClient();

// 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
client
  .createTimeSeries(request)
  .then(results => {
    console.log(`Done writing time series data.`, results[0]);
  })
  .catch(err => {
    console.error('ERROR:', err);
  });

Now i am just wondering are these steps defined for adding CLoud Monitoring to VM's or other machines other than App Engine, or these steps are for App Engine also.

[Kenworth (Google Cloud Platform)]

The trace-agent and the monitoring client libraries are two separate libraries, thus the different ways of usage/configuration.

For the profiler (trace-agent), some environments require a configuration to be passed to the start() function and some does not (like GAE flex). See details here for running outside Google Cloud, on GAE Flex, or on Compute/Container engines. 

For the monitoring agent, however, the 'project-id' is required at all times.