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metrics_server

README.md

Outline Metrics Server

The Outline Metrics Server is built using Google Cloud Functions, which lets us write a simple Node HTTP server. By deploying this server to the uproxysite Google project, we gain permission to write to uproxysite's BigQuery tables.

Requirements

Building

Run yarn do metrics_server/build

Deploying

You must have access to the project uproxysite.

To deploy:

  • Authenticate with gcloud: gcloud auth login
  • Run the deploy script:
    • to deploy to test: yarn do metrics_server/deploy_test
    • to deploy to prod: yarn do metrics_server/deploy_prod

Testing with the Cloud Functions Emulator

You can test with the Google Cloud Functions Emulator by running yarn do metrics_server/test <test_data>, e.g.:

yarn do metrics_server/test '{"serverId":"12345","startUtcMs":1502486354823,"endUtcMs":1502499314823,"userReports":[{"userId":"1","bytesTransferred":60,"countries":["US","NL"]},{"userId":"2","bytesTransferred":100,"countries":["UK"]}]}'

Testing with Node

You can test the metrics server code using Node:

cd build/metrics_server

run node, then you can test the post_server_report module as follows:

post_server_report = require('./post_server_report.js');

serverReport = {
  serverId: "123",
  startUtcMs: 1502486354823,
  endUtcMs: 1502499314823,
  userReports: [
    {userId: "1", bytesTransferred: 60, countries: ["US", "NL"]},
    {userId: "2", bytesTransferred: 100, countries: ["CN"]}
  ]
}

post_server_report.postServerReport('uproxy_metrics_test', 'connections_v1', serverReport)
  .then(() => { console.log('success') })
  .catch((e) => { console.error('failure: ' + e) })

You can then view this inserted data at https://bigquery.cloud.google.com/table/uproxysite:uproxy_metrics_test.connections_v1