package api import ( "encoding/json" "fmt" "io/ioutil" "net/http" "net/http/httptest" "strconv" "testing" "github.com/containous/traefik/v2/pkg/config/dynamic" "github.com/containous/traefik/v2/pkg/config/runtime" "github.com/containous/traefik/v2/pkg/config/static" "github.com/gorilla/mux" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) func TestHandler_HTTP(t *testing.T) { type expected struct { statusCode int nextPage string jsonFile string } testCases := []struct { desc string path string conf runtime.Configuration expected expected }{ { desc: "all routers, but no config", path: "/api/http/routers", conf: runtime.Configuration{}, expected: expected{ statusCode: http.StatusOK, nextPage: "1", jsonFile: "testdata/routers-empty.json", }, }, { desc: "all routers", path: "/api/http/routers", conf: runtime.Configuration{ Routers: map[string]*runtime.RouterInfo{ "test@myprovider": { Router: &dynamic.Router{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", Rule: "Host(`foo.bar.other`)", Middlewares: []string{"addPrefixTest", "auth"}, }, }, "bar@myprovider": { Router: &dynamic.Router{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", Rule: "Host(`foo.bar`)", Middlewares: []string{"auth", "addPrefixTest@anotherprovider"}, }, }, }, }, expected: expected{ statusCode: http.StatusOK, nextPage: "1", jsonFile: "testdata/routers.json", }, }, { desc: "all routers, pagination, 1 res per page, want page 2", path: "/api/http/routers?page=2&per_page=1", conf: runtime.Configuration{ Routers: map[string]*runtime.RouterInfo{ "bar@myprovider": { Router: &dynamic.Router{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", Rule: "Host(`foo.bar`)", Middlewares: []string{"auth", "addPrefixTest@anotherprovider"}, }, }, "baz@myprovider": { Router: &dynamic.Router{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", Rule: "Host(`toto.bar`)", }, }, "test@myprovider": { Router: &dynamic.Router{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", Rule: "Host(`foo.bar.other`)", Middlewares: []string{"addPrefixTest", "auth"}, }, }, }, }, expected: expected{ statusCode: http.StatusOK, nextPage: "3", jsonFile: "testdata/routers-page2.json", }, }, { desc: "all routers, pagination, 19 results overall, 7 res per page, want page 3", path: "/api/http/routers?page=3&per_page=7", conf: runtime.Configuration{ Routers: generateHTTPRouters(19), }, expected: expected{ statusCode: http.StatusOK, nextPage: "1", jsonFile: "testdata/routers-many-lastpage.json", }, }, { desc: "all routers, pagination, 5 results overall, 10 res per page, want page 2", path: "/api/http/routers?page=2&per_page=10", conf: runtime.Configuration{ Routers: generateHTTPRouters(5), }, expected: expected{ statusCode: http.StatusBadRequest, }, }, { desc: "all routers, pagination, 10 results overall, 10 res per page, want page 2", path: "/api/http/routers?page=2&per_page=10", conf: runtime.Configuration{ Routers: generateHTTPRouters(10), }, expected: expected{ statusCode: http.StatusBadRequest, }, }, { desc: "one router by id", path: "/api/http/routers/bar@myprovider", conf: runtime.Configuration{ Routers: map[string]*runtime.RouterInfo{ "bar@myprovider": { Router: &dynamic.Router{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", Rule: "Host(`foo.bar`)", Middlewares: []string{"auth", "addPrefixTest@anotherprovider"}, }, Status: "enabled", }, }, }, expected: expected{ statusCode: http.StatusOK, jsonFile: "testdata/router-bar.json", }, }, { desc: "one router by id, that does not exist", path: "/api/http/routers/foo@myprovider", conf: runtime.Configuration{ Routers: map[string]*runtime.RouterInfo{ "bar@myprovider": { Router: &dynamic.Router{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", Rule: "Host(`foo.bar`)", Middlewares: []string{"auth", "addPrefixTest@anotherprovider"}, }, }, }, }, expected: expected{ statusCode: http.StatusNotFound, }, }, { desc: "one router by id, but no config", path: "/api/http/routers/foo@myprovider", conf: runtime.Configuration{}, expected: expected{ statusCode: http.StatusNotFound, }, }, { desc: "all services, but no config", path: "/api/http/services", conf: runtime.Configuration{}, expected: expected{ statusCode: http.StatusOK, nextPage: "1", jsonFile: "testdata/services-empty.json", }, }, { desc: "all services", path: "/api/http/services", conf: runtime.Configuration{ Services: map[string]*runtime.ServiceInfo{ "bar@myprovider": func() *runtime.ServiceInfo { si := &runtime.ServiceInfo{ Service: &dynamic.Service{ LoadBalancer: &dynamic.LoadBalancerService{ Servers: []dynamic.Server{ { URL: "http://127.0.0.1", }, }, }, }, UsedBy: []string{"foo@myprovider", "test@myprovider"}, } si.UpdateServerStatus("http://127.0.0.1", "UP") return si }(), "baz@myprovider": func() *runtime.ServiceInfo { si := &runtime.ServiceInfo{ Service: &dynamic.Service{ LoadBalancer: &dynamic.LoadBalancerService{ Servers: []dynamic.Server{ { URL: "http://127.0.0.2", }, }, }, }, UsedBy: []string{"foo@myprovider"}, } si.UpdateServerStatus("http://127.0.0.2", "UP") return si }(), }, }, expected: expected{ statusCode: http.StatusOK, nextPage: "1", jsonFile: "testdata/services.json", }, }, { desc: "all services, 1 res per page, want page 2", path: "/api/http/services?page=2&per_page=1", conf: runtime.Configuration{ Services: map[string]*runtime.ServiceInfo{ "bar@myprovider": func() *runtime.ServiceInfo { si := &runtime.ServiceInfo{ Service: &dynamic.Service{ LoadBalancer: &dynamic.LoadBalancerService{ Servers: []dynamic.Server{ { URL: "http://127.0.0.1", }, }, }, }, UsedBy: []string{"foo@myprovider", "test@myprovider"}, } si.UpdateServerStatus("http://127.0.0.1", "UP") return si }(), "baz@myprovider": func() *runtime.ServiceInfo { si := &runtime.ServiceInfo{ Service: &dynamic.Service{ LoadBalancer: &dynamic.LoadBalancerService{ Servers: []dynamic.Server{ { URL: "http://127.0.0.2", }, }, }, }, UsedBy: []string{"foo@myprovider"}, } si.UpdateServerStatus("http://127.0.0.2", "UP") return si }(), "test@myprovider": func() *runtime.ServiceInfo { si := &runtime.ServiceInfo{ Service: &dynamic.Service{ LoadBalancer: &dynamic.LoadBalancerService{ Servers: []dynamic.Server{ { URL: "http://127.0.0.3", }, }, }, }, UsedBy: []string{"foo@myprovider", "test@myprovider"}, } si.UpdateServerStatus("http://127.0.0.4", "UP") return si }(), }, }, expected: expected{ statusCode: http.StatusOK, nextPage: "3", jsonFile: "testdata/services-page2.json", }, }, { desc: "one service by id", path: "/api/http/services/bar@myprovider", conf: runtime.Configuration{ Services: map[string]*runtime.ServiceInfo{ "bar@myprovider": func() *runtime.ServiceInfo { si := &runtime.ServiceInfo{ Service: &dynamic.Service{ LoadBalancer: &dynamic.LoadBalancerService{ Servers: []dynamic.Server{ { URL: "http://127.0.0.1", }, }, }, }, UsedBy: []string{"foo@myprovider", "test@myprovider"}, } si.UpdateServerStatus("http://127.0.0.1", "UP") return si }(), }, }, expected: expected{ statusCode: http.StatusOK, jsonFile: "testdata/service-bar.json", }, }, { desc: "one service by id, that does not exist", path: "/api/http/services/nono@myprovider", conf: runtime.Configuration{ Services: map[string]*runtime.ServiceInfo{ "bar@myprovider": func() *runtime.ServiceInfo { si := &runtime.ServiceInfo{ Service: &dynamic.Service{ LoadBalancer: &dynamic.LoadBalancerService{ Servers: []dynamic.Server{ { URL: "http://127.0.0.1", }, }, }, }, UsedBy: []string{"foo@myprovider", "test@myprovider"}, } si.UpdateServerStatus("http://127.0.0.1", "UP") return si }(), }, }, expected: expected{ statusCode: http.StatusNotFound, }, }, { desc: "one service by id, but no config", path: "/api/http/services/foo@myprovider", conf: runtime.Configuration{}, expected: expected{ statusCode: http.StatusNotFound, }, }, { desc: "all middlewares, but no config", path: "/api/http/middlewares", conf: runtime.Configuration{}, expected: expected{ statusCode: http.StatusOK, nextPage: "1", jsonFile: "testdata/middlewares-empty.json", }, }, { desc: "all middlewares", path: "/api/http/middlewares", conf: runtime.Configuration{ Middlewares: map[string]*runtime.MiddlewareInfo{ "auth@myprovider": { Middleware: &dynamic.Middleware{ BasicAuth: &dynamic.BasicAuth{ Users: []string{"admin:admin"}, }, }, UsedBy: []string{"bar@myprovider", "test@myprovider"}, }, "addPrefixTest@myprovider": { Middleware: &dynamic.Middleware{ AddPrefix: &dynamic.AddPrefix{ Prefix: "/titi", }, }, UsedBy: []string{"test@myprovider"}, }, "addPrefixTest@anotherprovider": { Middleware: &dynamic.Middleware{ AddPrefix: &dynamic.AddPrefix{ Prefix: "/toto", }, }, UsedBy: []string{"bar@myprovider"}, }, }, }, expected: expected{ statusCode: http.StatusOK, nextPage: "1", jsonFile: "testdata/middlewares.json", }, }, { desc: "all middlewares, 1 res per page, want page 2", path: "/api/http/middlewares?page=2&per_page=1", conf: runtime.Configuration{ Middlewares: map[string]*runtime.MiddlewareInfo{ "auth@myprovider": { Middleware: &dynamic.Middleware{ BasicAuth: &dynamic.BasicAuth{ Users: []string{"admin:admin"}, }, }, UsedBy: []string{"bar@myprovider", "test@myprovider"}, }, "addPrefixTest@myprovider": { Middleware: &dynamic.Middleware{ AddPrefix: &dynamic.AddPrefix{ Prefix: "/titi", }, }, UsedBy: []string{"test@myprovider"}, }, "addPrefixTest@anotherprovider": { Middleware: &dynamic.Middleware{ AddPrefix: &dynamic.AddPrefix{ Prefix: "/toto", }, }, UsedBy: []string{"bar@myprovider"}, }, }, }, expected: expected{ statusCode: http.StatusOK, nextPage: "3", jsonFile: "testdata/middlewares-page2.json", }, }, { desc: "one middleware by id", path: "/api/http/middlewares/auth@myprovider", conf: runtime.Configuration{ Middlewares: map[string]*runtime.MiddlewareInfo{ "auth@myprovider": { Middleware: &dynamic.Middleware{ BasicAuth: &dynamic.BasicAuth{ Users: []string{"admin:admin"}, }, }, UsedBy: []string{"bar@myprovider", "test@myprovider"}, }, "addPrefixTest@myprovider": { Middleware: &dynamic.Middleware{ AddPrefix: &dynamic.AddPrefix{ Prefix: "/titi", }, }, UsedBy: []string{"test@myprovider"}, }, "addPrefixTest@anotherprovider": { Middleware: &dynamic.Middleware{ AddPrefix: &dynamic.AddPrefix{ Prefix: "/toto", }, }, UsedBy: []string{"bar@myprovider"}, }, }, }, expected: expected{ statusCode: http.StatusOK, jsonFile: "testdata/middleware-auth.json", }, }, { desc: "one middleware by id, that does not exist", path: "/api/http/middlewares/foo@myprovider", conf: runtime.Configuration{ Middlewares: map[string]*runtime.MiddlewareInfo{ "auth@myprovider": { Middleware: &dynamic.Middleware{ BasicAuth: &dynamic.BasicAuth{ Users: []string{"admin:admin"}, }, }, UsedBy: []string{"bar@myprovider", "test@myprovider"}, }, }, }, expected: expected{ statusCode: http.StatusNotFound, }, }, { desc: "one middleware by id, but no config", path: "/api/http/middlewares/foo@myprovider", conf: runtime.Configuration{}, expected: expected{ statusCode: http.StatusNotFound, }, }, } for _, test := range testCases { test := test t.Run(test.desc, func(t *testing.T) { t.Parallel() rtConf := &test.conf // To lazily initialize the Statuses. rtConf.PopulateUsedBy() handler := New(static.Configuration{API: &static.API{}, Global: &static.Global{}}, rtConf) router := mux.NewRouter() handler.Append(router) server := httptest.NewServer(router) resp, err := http.DefaultClient.Get(server.URL + test.path) require.NoError(t, err) require.Equal(t, test.expected.statusCode, resp.StatusCode) assert.Equal(t, test.expected.nextPage, resp.Header.Get(nextPageHeader)) if test.expected.jsonFile == "" { return } assert.Equal(t, resp.Header.Get("Content-Type"), "application/json") contents, err := ioutil.ReadAll(resp.Body) require.NoError(t, err) err = resp.Body.Close() require.NoError(t, err) if *updateExpected { var results interface{} err := json.Unmarshal(contents, &results) require.NoError(t, err) newJSON, err := json.MarshalIndent(results, "", "\t") require.NoError(t, err) err = ioutil.WriteFile(test.expected.jsonFile, newJSON, 0644) require.NoError(t, err) } data, err := ioutil.ReadFile(test.expected.jsonFile) require.NoError(t, err) assert.JSONEq(t, string(data), string(contents)) }) } } func generateHTTPRouters(nbRouters int) map[string]*runtime.RouterInfo { routers := make(map[string]*runtime.RouterInfo, nbRouters) for i := 0; i < nbRouters; i++ { routers[fmt.Sprintf("bar%2d@myprovider", i)] = &runtime.RouterInfo{ Router: &dynamic.Router{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", Rule: "Host(`foo.bar" + strconv.Itoa(i) + "`)", }, } } return routers }