BUG/MINOR: accept set-var-fmt in http_request_rule

Author: hdurand0710

models/http_request_rule.go

@@ -5174,6 +5174,7 @@ definitions:
           - set-tos
           - set-uri
           - set-var
+          - set-var-fmt
           - silent-drop
           - strict-mode
           - tarpit

specification/build/haproxy_spec.yaml

@@ -62,6 +62,7 @@ http_request_rule:
         - set-tos
         - set-uri
         - set-var
+        - set-var-fmt
         - silent-drop
         - strict-mode
         - tarpit

specification/models/configuration/http/request.yaml

@@ -444,6 +444,7 @@ frontend test
   http-request allow if src 192.168.0.0/16
   http-request set-header X-SSL %[ssl_fc]
   http-request set-var(req.my_var) req.fhdr(user-agent),lower
+  http-request set-var-fmt(txn.from) %[src]:%[src_port]
   http-request set-map(map.lst) %[src] %[req.hdr(X-Value)]
   http-request del-map(map.lst) %[src] if FALSE
   http-request del-acl(map.lst) %[src] if FALSE

test/configuration_test.go

@@ -1730,6 +1730,12 @@
                     "var_name": "my_var",
                     "var_scope": "req"
                 },
+                {
+                    "type": "set-var-fmt",
+                    "var_format": "%[src]:%[src_port]",
+                    "var_name": "from",
+                    "var_scope": "txn"
+                },
                 {
                     "map_file": "map.lst",
                     "map_keyfmt": "%[src]",