MINOR: proxy: Add fe_defbe fetcher
Patch adds ability to fetch frontend's default backend name in your
logic, so it can be used later to derive other backend names to make routing
decisions.
diff --git a/doc/configuration.txt b/doc/configuration.txt
index 43c9111..22cd736 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -13917,6 +13917,10 @@
not TCP or if the operating system does not support TCP_INFO, for example
Linux kernels before 2.4, the sample fetch fails.
+fe_defbe : string
+ Returns a string containing the frontend's default backend name. It can be
+ used in frontends to check which backend will handle requests by default.
+
fe_id : integer
Returns an integer containing the current frontend's id. It can be used in
backends to check from which frontend it was called, or to stick all users