package server import ( "net/http" "net/http/httptest" "testing" "github.com/stretchr/testify/assert" "github.com/traefik/traefik/v2/pkg/config/dynamic" "github.com/traefik/traefik/v2/pkg/config/runtime" "github.com/traefik/traefik/v2/pkg/config/static" "github.com/traefik/traefik/v2/pkg/metrics" "github.com/traefik/traefik/v2/pkg/server/middleware" "github.com/traefik/traefik/v2/pkg/server/service" th "github.com/traefik/traefik/v2/pkg/testhelpers" "github.com/traefik/traefik/v2/pkg/tls" ) func TestReuseService(t *testing.T) { testServer := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) { rw.WriteHeader(http.StatusOK) })) defer testServer.Close() staticConfig := static.Configuration{ EntryPoints: map[string]*static.EntryPoint{ "web": {}, }, } dynamicConfigs := th.BuildConfiguration( th.WithRouters( th.WithRouter("foo", th.WithEntryPoints("web"), th.WithServiceName("bar"), th.WithRule("Path(`/ok`)")), th.WithRouter("foo2", th.WithEntryPoints("web"), th.WithRule("Path(`/unauthorized`)"), th.WithServiceName("bar"), th.WithRouterMiddlewares("basicauth")), ), th.WithMiddlewares(th.WithMiddleware("basicauth", th.WithBasicAuth(&dynamic.BasicAuth{Users: []string{"foo:bar"}}), )), th.WithLoadBalancerServices(th.WithService("bar", th.WithServers(th.WithServer(testServer.URL))), ), ) roundTripperManager := service.NewRoundTripperManager() roundTripperManager.Update(map[string]*dynamic.ServersTransport{"default@internal": {}}) managerFactory := service.NewManagerFactory(staticConfig, nil, metrics.NewVoidRegistry(), roundTripperManager, nil) tlsManager := tls.NewManager() factory := NewRouterFactory(staticConfig, managerFactory, tlsManager, middleware.NewChainBuilder(nil, nil, nil, nil), nil, metrics.NewVoidRegistry()) entryPointsHandlers, _ := factory.CreateRouters(runtime.NewConfig(dynamic.Configuration{HTTP: dynamicConfigs})) // Test that the /ok path returns a status 200. responseRecorderOk := &httptest.ResponseRecorder{} requestOk := httptest.NewRequest(http.MethodGet, testServer.URL+"/ok", nil) entryPointsHandlers["web"].GetHTTPHandler().ServeHTTP(responseRecorderOk, requestOk) assert.Equal(t, http.StatusOK, responseRecorderOk.Result().StatusCode, "status code") // Test that the /unauthorized path returns a 401 because of // the basic authentication defined on the frontend. responseRecorderUnauthorized := &httptest.ResponseRecorder{} requestUnauthorized := httptest.NewRequest(http.MethodGet, testServer.URL+"/unauthorized", nil) entryPointsHandlers["web"].GetHTTPHandler().ServeHTTP(responseRecorderUnauthorized, requestUnauthorized) assert.Equal(t, http.StatusUnauthorized, responseRecorderUnauthorized.Result().StatusCode, "status code") } func TestServerResponseEmptyBackend(t *testing.T) { const requestPath = "/path" const routeRule = "Path(`" + requestPath + "`)" testCases := []struct { desc string config func(testServerURL string) *dynamic.HTTPConfiguration expectedStatusCode int }{ { desc: "Ok", config: func(testServerURL string) *dynamic.HTTPConfiguration { return th.BuildConfiguration( th.WithRouters(th.WithRouter("foo", th.WithEntryPoints("web"), th.WithServiceName("bar"), th.WithRule(routeRule)), ), th.WithLoadBalancerServices(th.WithService("bar", th.WithServers(th.WithServer(testServerURL))), ), ) }, expectedStatusCode: http.StatusOK, }, { desc: "No Frontend", config: func(testServerURL string) *dynamic.HTTPConfiguration { return th.BuildConfiguration() }, expectedStatusCode: http.StatusNotFound, }, { desc: "Empty Backend LB", config: func(testServerURL string) *dynamic.HTTPConfiguration { return th.BuildConfiguration( th.WithRouters(th.WithRouter("foo", th.WithEntryPoints("web"), th.WithServiceName("bar"), th.WithRule(routeRule)), ), th.WithLoadBalancerServices(th.WithService("bar")), ) }, expectedStatusCode: http.StatusServiceUnavailable, }, { desc: "Empty Backend LB Sticky", config: func(testServerURL string) *dynamic.HTTPConfiguration { return th.BuildConfiguration( th.WithRouters(th.WithRouter("foo", th.WithEntryPoints("web"), th.WithServiceName("bar"), th.WithRule(routeRule)), ), th.WithLoadBalancerServices(th.WithService("bar", th.WithSticky("test")), ), ) }, expectedStatusCode: http.StatusServiceUnavailable, }, { desc: "Empty Backend LB", config: func(testServerURL string) *dynamic.HTTPConfiguration { return th.BuildConfiguration( th.WithRouters(th.WithRouter("foo", th.WithEntryPoints("web"), th.WithServiceName("bar"), th.WithRule(routeRule)), ), th.WithLoadBalancerServices(th.WithService("bar")), ) }, expectedStatusCode: http.StatusServiceUnavailable, }, { desc: "Empty Backend LB Sticky", config: func(testServerURL string) *dynamic.HTTPConfiguration { return th.BuildConfiguration( th.WithRouters(th.WithRouter("foo", th.WithEntryPoints("web"), th.WithServiceName("bar"), th.WithRule(routeRule)), ), th.WithLoadBalancerServices(th.WithService("bar", th.WithSticky("test")), ), ) }, expectedStatusCode: http.StatusServiceUnavailable, }, } for _, test := range testCases { test := test t.Run(test.desc, func(t *testing.T) { t.Parallel() testServer := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) { rw.WriteHeader(http.StatusOK) })) defer testServer.Close() staticConfig := static.Configuration{ EntryPoints: map[string]*static.EntryPoint{ "web": {}, }, } roundTripperManager := service.NewRoundTripperManager() roundTripperManager.Update(map[string]*dynamic.ServersTransport{"default@internal": {}}) managerFactory := service.NewManagerFactory(staticConfig, nil, metrics.NewVoidRegistry(), roundTripperManager, nil) tlsManager := tls.NewManager() factory := NewRouterFactory(staticConfig, managerFactory, tlsManager, middleware.NewChainBuilder(nil, nil, nil, nil), nil, metrics.NewVoidRegistry()) entryPointsHandlers, _ := factory.CreateRouters(runtime.NewConfig(dynamic.Configuration{HTTP: test.config(testServer.URL)})) responseRecorder := &httptest.ResponseRecorder{} request := httptest.NewRequest(http.MethodGet, testServer.URL+requestPath, nil) entryPointsHandlers["web"].GetHTTPHandler().ServeHTTP(responseRecorder, request) assert.Equal(t, test.expectedStatusCode, responseRecorder.Result().StatusCode, "status code") }) } } func TestInternalServices(t *testing.T) { testServer := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) { rw.WriteHeader(http.StatusOK) })) defer testServer.Close() staticConfig := static.Configuration{ API: &static.API{}, EntryPoints: map[string]*static.EntryPoint{ "web": {}, }, } dynamicConfigs := th.BuildConfiguration( th.WithRouters( th.WithRouter("foo", th.WithEntryPoints("web"), th.WithServiceName("api@internal"), th.WithRule("PathPrefix(`/api`)")), ), ) roundTripperManager := service.NewRoundTripperManager() roundTripperManager.Update(map[string]*dynamic.ServersTransport{"default@internal": {}}) managerFactory := service.NewManagerFactory(staticConfig, nil, metrics.NewVoidRegistry(), roundTripperManager, nil) tlsManager := tls.NewManager() voidRegistry := metrics.NewVoidRegistry() factory := NewRouterFactory(staticConfig, managerFactory, tlsManager, middleware.NewChainBuilder(voidRegistry, nil, nil, nil), nil, voidRegistry) entryPointsHandlers, _ := factory.CreateRouters(runtime.NewConfig(dynamic.Configuration{HTTP: dynamicConfigs})) // Test that the /ok path returns a status 200. responseRecorderOk := &httptest.ResponseRecorder{} requestOk := httptest.NewRequest(http.MethodGet, testServer.URL+"/api/rawdata", nil) entryPointsHandlers["web"].GetHTTPHandler().ServeHTTP(responseRecorderOk, requestOk) assert.Equal(t, http.StatusOK, responseRecorderOk.Result().StatusCode, "status code") }