BUG/MINOR: fix the http-request set-uri serialization

The API was using "hdr_format" instead "uri-fmt".

Author: oliwer

configuration/http_request_rule.go

@@ -678,10 +678,10 @@ func ParseHTTPRequestRule(f types.Action) (*models.HTTPRequestRule, error) { //n
 		}
 	case *http_actions.SetURI:
 		rule = &models.HTTPRequestRule{
-			Type:      "set-uri",
-			HdrFormat: v.Fmt,
-			Cond:      v.Cond,
-			CondTest:  v.CondTest,
+			Type:     "set-uri",
+			URIFmt:   v.Fmt,
+			Cond:     v.Cond,
+			CondTest: v.CondTest,
 		}
 	case *actions.SetVar:
 		rule = &models.HTTPRequestRule{
@@ -1196,7 +1196,7 @@ func SerializeHTTPRequestRule(f models.HTTPRequestRule, opt *options.Configurati
 		}
 	case "set-uri":
 		rule = &http_actions.SetURI{
-			Fmt:      f.HdrFormat,
+			Fmt:      f.URIFmt,
 			Cond:     f.Cond,
 			CondTest: f.CondTest,
 		}

test/configuration_test.go

@@ -781,6 +781,7 @@ backend test
   server webserv2 192.168.1.1:9300 maxconn 1000 ssl weight 10 inter 2s cookie BLAH slowstart 6000 proxy-v2-options authority,crc32c ws h1 pool-low-conn 128 hash-key akey pool-conn-name apoolconnname # {"comment": "my structured comment", "id": "my_random_id_for_server"}
   http-request set-dst hdr(x-dst)
   http-request set-dst-port int(4000)
+  http-request set-uri %[url,regsub(^/metrics/,/,)] if { path_beg /metrics }
   http-check connect
   http-check send meth GET uri / ver HTTP/1.1 hdr host haproxy.1wt.eu
   http-check expect status 200-399

test/expected/structured.json

@@ -721,6 +721,12 @@
                 {
                     "expr": "int(4000)",
                     "type": "set-dst-port"
+                },
+                {
+                    "type": "set-uri",
+                    "uri-fmt": "%[url,regsub(^/metrics/,/,)]",
+                    "cond": "if",
+                    "cond_test": "{ path_beg /metrics }"
                 }
             ],
             "http_response_rule_list": [

test/http_request_rule_test.go

@@ -232,6 +232,15 @@ func TestSerializeHTTPRequestRule(t *testing.T) {
 			},
 			expectedResult: "track-sc3 src table tr0 if TRUE",
 		},
+		{
+			input: models.HTTPRequestRule{
+				Type:     "set-uri",
+				Cond:     "if",
+				CondTest: "{ path_beg /metrics }",
+				URIFmt:   "%[url,regsub(^/metrics/,/,)]",
+			},
+			expectedResult: "set-uri %[url,regsub(^/metrics/,/,)] if { path_beg /metrics }",
+		},
 	}
 
 	for _, testCase := range testCases {