Add provider in middleware chain

integration/testdata/rawdata-crd.json

@@ -20,7 +20,7 @@
 				"web"
 			],
 			"middlewares": [
-				"default/mychain"
+				"default/mychain@kubernetescrd"
 			],
 			"service": "default/test2.route-23c7f4c450289ee29016",
 			"rule": "Host(`foo.com`) \u0026\u0026 PathPrefix(`/tobestripped`)",
@@ -34,7 +34,7 @@
 		"default/mychain@kubernetescrd": {
 			"chain": {
 				"middlewares": [
-					"default/stripprefix"
+					"default/stripprefix@kubernetescrd"
 				]
 			},
 			"status": "enabled",
@@ -56,10 +56,10 @@
 			"loadBalancer": {
 				"servers": [
 					{
-						"url": "http://10.42.0.3:80"
+						"url": "http://10.42.0.2:80"
 					},
 					{
-						"url": "http://10.42.0.5:80"
+						"url": "http://10.42.0.6:80"
 					}
 				],
 				"passHostHeader": true
@@ -69,18 +69,18 @@
 				"default/test.route-6b204d94623b3df4370c@kubernetescrd"
 			],
 			"serverStatus": {
-				"http://10.42.0.3:80": "UP",
+				"http://10.42.0.2:80": "UP",
-				"http://10.42.0.5:80": "UP"
+				"http://10.42.0.6:80": "UP"
 			}
 		},
 		"default/test2.route-23c7f4c450289ee29016@kubernetescrd": {
 			"loadBalancer": {
 				"servers": [
 					{
-						"url": "http://10.42.0.3:80"
+						"url": "http://10.42.0.2:80"
 					},
 					{
-						"url": "http://10.42.0.5:80"
+						"url": "http://10.42.0.6:80"
 					}
 				],
 				"passHostHeader": true
@@ -90,8 +90,8 @@
 				"default/test2.route-23c7f4c450289ee29016@kubernetescrd"
 			],
 			"serverStatus": {
-				"http://10.42.0.3:80": "UP",
+				"http://10.42.0.2:80": "UP",
-				"http://10.42.0.5:80": "UP"
+				"http://10.42.0.6:80": "UP"
 			}
 		}
 	},
@@ -117,10 +117,10 @@
 			"loadBalancer": {
 				"servers": [
 					{
-						"address": "10.42.0.6:8080"
+						"address": "10.42.0.4:8080"
 					},
 					{
-						"address": "10.42.0.7:8080"
+						"address": "10.42.0.5:8080"
 					}
 				]
 			},

pkg/server/middleware/middlewares.go

@@ -141,6 +141,12 @@ func (b *Builder) buildConstructor(ctx context.Context, middlewareName string) (
 		if middleware != nil {
 			return nil, badConf
 		}
+
+		qualifiedNames := make([]string, len(config.Chain.Middlewares))
+		for i, name := range config.Chain.Middlewares {
+			qualifiedNames[i] = internal.GetQualifiedName(ctx, name)
+		}
+		config.Chain.Middlewares = qualifiedNames
 		middleware = func(next http.Handler) (http.Handler, error) {
 			return chain.New(ctx, next, *config.Chain, b, middlewareName)
 		}

pkg/server/router/router.go

@@ -147,6 +147,7 @@ func (m *Manager) buildHTTPHandler(ctx context.Context, router *runtime.RouterIn
 	for i, name := range router.Middlewares {
 		qualifiedNames[i] = internal.GetQualifiedName(ctx, name)
 	}
+	router.Middlewares = qualifiedNames
 	rm := m.modifierBuilder.Build(ctx, qualifiedNames)
 
 	if router.Service == "" {

pkg/server/router/router_test.go

@@ -725,6 +725,57 @@ func TestRuntimeConfiguration(t *testing.T) {
 
 }
 
+func TestProviderOnMiddlewares(t *testing.T) {
+	entryPoints := []string{"web"}
+
+	rtConf := runtime.NewConfig(dynamic.Configuration{
+		HTTP: &dynamic.HTTPConfiguration{
+			Services: map[string]*dynamic.Service{
+				"test@file": {
+					LoadBalancer: &dynamic.ServersLoadBalancer{
+						Servers: []dynamic.Server{},
+					},
+				},
+			},
+			Routers: map[string]*dynamic.Router{
+				"router@file": {
+					Rule:        "Host(`test`)",
+					Service:     "test@file",
+					Middlewares: []string{"chain@file", "m1"},
+				},
+				"router@docker": {
+					Rule:        "Host(`test`)",
+					Service:     "test@file",
+					Middlewares: []string{"chain", "m1@file"},
+				},
+			},
+			Middlewares: map[string]*dynamic.Middleware{
+				"chain@file": {
+					Chain: &dynamic.Chain{Middlewares: []string{"m1", "m2", "m1@file"}},
+				},
+				"chain@docker": {
+					Chain: &dynamic.Chain{Middlewares: []string{"m1", "m2", "m1@file"}},
+				},
+				"m1@file":   {AddPrefix: &dynamic.AddPrefix{Prefix: "/m1"}},
+				"m2@file":   {AddPrefix: &dynamic.AddPrefix{Prefix: "/m2"}},
+				"m1@docker": {AddPrefix: &dynamic.AddPrefix{Prefix: "/m1"}},
+				"m2@docker": {AddPrefix: &dynamic.AddPrefix{Prefix: "/m2"}},
+			},
+		},
+	})
+	serviceManager := service.NewManager(rtConf.Services, http.DefaultTransport, nil, nil, nil, nil)
+	middlewaresBuilder := middleware.NewBuilder(rtConf.Middlewares, serviceManager)
+	responseModifierFactory := responsemodifiers.NewBuilder(map[string]*runtime.MiddlewareInfo{})
+	routerManager := NewManager(rtConf, serviceManager, middlewaresBuilder, responseModifierFactory)
+
+	_ = routerManager.BuildHandlers(context.Background(), entryPoints, false)
+
+	assert.Equal(t, []string{"chain@file", "m1@file"}, rtConf.Routers["router@file"].Middlewares)
+	assert.Equal(t, []string{"m1@file", "m2@file", "m1@file"}, rtConf.Middlewares["chain@file"].Chain.Middlewares)
+	assert.Equal(t, []string{"chain@docker", "m1@file"}, rtConf.Routers["router@docker"].Middlewares)
+	assert.Equal(t, []string{"m1@docker", "m2@docker", "m1@file"}, rtConf.Middlewares["chain@docker"].Chain.Middlewares)
+}
+
 type staticTransport struct {
 	res *http.Response
 }