[rails] improve safety of ActionController instrumentation#197

Merged

palazzem merged 3 commits intomasterfrom palazzem/rails-action-controller

Sep 25, 2017

+58-19

Commits on Sep 23, 2017

[rails] ActionController Span propagation uses the Request object instead of relying in the order
Emanuele Palazzetti
committed
[rails] add RailsActionPatcher to patch process_action with custom signals
Emanuele Palazzetti
committed
[rails] use the TracingContext to propagate the request Span
Emanuele Palazzetti
committed