[SOLVED] Detect if application was started as HTTP server or not (rake task, rconsole etc)

Detect if application was started as HTTP server or not (rake task, rconsole etc)

I'm using EventMachine and Monetarily to start e TCP server along with my rails application. This is started from config/initializers/momentarily.rb.

My problem is that it starts also when I run rake tasks, like db:migrate. I only want it to start when when I start the HTTP server. Environments won't help, since both the server start and rake tasks are under Development environment. Is there a way of knowing that the application is running the HTTP server as opposed to anything else? Note that is not only rake tasks, the EM starts also if I run the rails console, which is again something not desirable for my case.

Solution

There's not a great way of doing this that I know of. You could copy newrelic's approach (check discover_dispatcher in local_environment.rb) which basically has a list of heuristics used to detect if it is running inside passenger, thin, etc.

For passenger it checks

defined?(::PhusionPassenger)

for thin it checks

if defined?(::Thin) && defined?(::Thin::Server)