[wip] custom log formatter

config/initializers/rack_timeout.rb

@@ -5,3 +5,18 @@
 Rack::Timeout::StateChangeLoggingObserver::STATE_LOG_LEVEL[:ready] = :debug
 Rack::Timeout::StateChangeLoggingObserver::STATE_LOG_LEVEL[:completed] = :debug
 
+# Custom format for logs
+class RackTimeoutFormatter < ::Logger::Formatter
+  include ActiveSupport::LoggerSilence
+
+  def call(severity, timestamp, progname, msg)
+    # TOFIX: find env info (or extract it from msg param).
+    # It's mentioned here but I must be doing it wrong: https://github.com/zombocom/rack-timeout/blob/main/doc/logging.md
+    info = env['rack-timeout.info']
+
+    # TODO: include severity, timestamp
+    "[#{info.delete(:info)}] #{info.delete(:source)}: #{info.delete(:state)} -- #{info}"
+  end
+end
+
+Rack::Timeout::Logger.logger = Logger.new(STDERR, formatter: RackTimeoutFormatter.new)