fix: Don't start the reporter in a Rails console (#172)

judoscale-rails/lib/judoscale/rails/railtie.rb

@@ -17,12 +17,16 @@ class Railtie < ::Rails::Railtie
       end
 
       initializer "Judoscale.request_middleware" do |app|
-        logger.info "Preparing request middleware"
+        logger.debug "Preparing request middleware"
         app.middleware.insert_before Rack::Runtime, RequestMiddleware
       end
 
       config.after_initialize do
-        Reporter.start
+        # Don't start the reporter in a Rails console.
+        # NOTE: This is untested because we initialize the Rails test app in test_helper.rb,
+        # so the reporter has already started before any of the tests run. You can manually
+        # test this by running `DYNO=web.1 rails c` in sample-apps/rails-sample.
+        Reporter.start unless defined?(::Rails::Console)
       end
     end
   end

judoscale-ruby/lib/judoscale/reporter.rb

@@ -20,7 +20,7 @@ def start!(config, adapters)
       @pid = Process.pid
 
       if !config.api_base_url
-        logger.info "Reporter not started: JUDOSCALE_URL is not set"
+        logger.debug "Reporter not started: JUDOSCALE_URL is not set"
         return
       end
 
@@ -31,7 +31,7 @@ def start!(config, adapters)
       metrics_collectors_classes.compact!
 
       if metrics_collectors_classes.empty?
-        logger.info "Reporter not started: no metrics need to be collected in this process"
+        logger.debug "Reporter not started: no metrics need to be collected in this process"
         return
       end