fix: routing priorities are not working properly (#472)

Signed-off-by: charlie <qianglin98@qq.com>

pkg/ingress/config/ingress_config.go

@@ -482,6 +482,9 @@ func (m *IngressConfig) convertVirtualService(configs []common.WrapperConfig) []
 		vs := wrapperVS.VirtualService
 		vs.Gateways = gateways
 
+		// Sort, exact -> prefix -> regex
+		common.SortHTTPRoutes(routes)
+
 		for _, route := range routes {
 			vs.Http = append(vs.Http, route.HTTPRoute)
 		}

pkg/ingress/kube/common/tool.go

@@ -170,7 +170,14 @@ func SortHTTPRoutes(routes []*WrapperHTTPRoute) {
 
 	isAllCatch := func(route *WrapperHTTPRoute) bool {
 		if route.OriginPathType == Prefix && route.OriginPath == "/" {
-			return true
+			if route.HTTPRoute.Match == nil {
+				return true
+			}
+
+			match := route.HTTPRoute.Match[0]
+			if len(match.Headers) == 0 && len(match.QueryParams) == 0 && match.Method == nil {
+				return true
+			}
 		}
 		return false
 	}

pkg/ingress/kube/ingressv1/controller.go

@@ -599,11 +599,6 @@ func (c *controller) ConvertHTTPRoute(convertOptions *common.ConvertOptions, wra
 		} else {
 			convertOptions.HTTPRoutes[rule.Host] = wrapperHttpRoutes
 		}
-
-		// Sort, exact -> prefix -> regex
-		routes := convertOptions.HTTPRoutes[rule.Host]
-		IngressLog.Debugf("routes of host %s is %v", rule.Host, routes)
-		common.SortHTTPRoutes(routes)
 	}
 
 	return nil

test/e2e/conformance/tests/httproute-same-host-and-path.go

@@ -90,6 +90,25 @@ var HTTPRouteSameHostAndPath = suite.ConformanceTest{
 					},
 				},
 			},
+			{
+				Meta: http.AssertionMeta{
+					TargetBackend:   "infra-backend-v2",
+					TargetNamespace: "higress-conformance-infra",
+				},
+				Request: http.AssertionRequest{
+					ActualRequest: http.Request{
+						Path: "/",
+						Headers: map[string]string{
+							"abc": "123",
+						},
+					},
+				},
+				Response: http.AssertionResponse{
+					ExpectedResponse: http.Response{
+						StatusCode: 200,
+					},
+				},
+			},
 		}
 
 		t.Run("Match Routes With same host and path", func(t *testing.T) {

test/e2e/conformance/tests/httproute-same-host-and-path.yaml

@@ -102,3 +102,42 @@ spec:
                 name: infra-backend-v2
                 port:
                   number: 8080
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: higress-same-host-and-path-05
+  namespace: higress-conformance-infra
+spec:
+  ingressClassName: higress
+  rules:
+    - http:
+        paths:
+          - pathType: Prefix
+            path: "/"
+            backend:
+              service:
+                name: infra-backend-v1
+                port:
+                  number: 8080
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  annotations:
+    # exact matching
+    higress.io/exact-match-header-abc: "123"
+  name: higress-same-host-and-path-06
+  namespace: higress-conformance-infra
+spec:
+  ingressClassName: higress
+  rules:
+    - http:
+        paths:
+          - pathType: Prefix
+            path: "/"
+            backend:
+              service:
+                name: infra-backend-v2
+                port:
+                  number: 8080