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Display Events in monitor script without running Snowplow Micro

Niko Belokolodov requested to merge 465225-display-events-in-monitor-script-without-running-snowplow-micro into master

What does this MR do and why?

This MR adds a small mock server to Monitor script. It allows to receive and display the Snowplow events in Monitor without need to run Snowplow Micro locally.

The server uses standard webrick package and additionally Thread class. It runs server in a separate thread while Monitor is active and shutting it down on exit.

For an end user the experience is seamless, depending on running Snowplow Micro or not, the script will determine it and act accordingly.

On server restart event will be lost, which work the same way as Snowplow Micro.

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Before After

How to set up and validate locally

  1. Stop local Snowplow Micro instance (of running) gdk stop snowplow-micro
  2. Start Monitor script rails runner scripts/internal_events/monitor.rb i_code_review_user_create_mr
  3. Verify Monitor work a) bundle exec rails c b) Gitlab::InternalEvents.track_event('i_code_review_user_create_mr', additional_properties: { label: "l", value: 1, property: "p", lang: "ruby"})

Related to #465225 (closed)

Edited by Niko Belokolodov

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