diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/http/request.rb')
| -rw-r--r-- | actionpack/lib/action_dispatch/http/request.rb | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/actionpack/lib/action_dispatch/http/request.rb b/actionpack/lib/action_dispatch/http/request.rb index 37d0a3e0b8..7a5237dcf3 100644 --- a/actionpack/lib/action_dispatch/http/request.rb +++ b/actionpack/lib/action_dispatch/http/request.rb @@ -177,6 +177,16 @@ module ActionDispatch @remote_ip ||= (@env["action_dispatch.remote_ip"] || ip).to_s end + # Returns the unique request id, which is based off either the X-Request-Id header that can + # be generated by a firewall, load balancer, or web server or by the RequestId middleware + # (which sets the action_dispatch.request_id environment variable). + # + # This unique ID is useful for tracing a request from end-to-end as part of logging or debugging. + # This relies on the rack variable set by the ActionDispatch::RequestId middleware. + def uuid + @uuid ||= env["action_dispatch.request_id"] + end + # Returns the lowercase name of the HTTP server software. def server_software (@env['SERVER_SOFTWARE'] && /^([a-zA-Z]+)/ =~ @env['SERVER_SOFTWARE']) ? $1.downcase : nil |