package api import ( "context" "encoding/json" "io" "net/http" "net/http/httptest" "os" "testing" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" "github.com/traefik/traefik/v3/pkg/config/dynamic" "github.com/traefik/traefik/v3/pkg/config/runtime" "github.com/traefik/traefik/v3/pkg/config/static" ) func TestHandler_UDP(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 UDP routers, but no config", path: "/api/udp/routers", conf: runtime.Configuration{}, expected: expected{ statusCode: http.StatusOK, nextPage: "1", jsonFile: "testdata/udprouters-empty.json", }, }, { desc: "all UDP routers", path: "/api/udp/routers", conf: runtime.Configuration{ UDPRouters: map[string]*runtime.UDPRouterInfo{ "test@myprovider": { UDPRouter: &dynamic.UDPRouter{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", }, Status: runtime.StatusEnabled, }, "bar@myprovider": { UDPRouter: &dynamic.UDPRouter{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", }, Status: runtime.StatusWarning, }, "foo@myprovider": { UDPRouter: &dynamic.UDPRouter{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", }, Status: runtime.StatusDisabled, }, }, }, expected: expected{ statusCode: http.StatusOK, nextPage: "1", jsonFile: "testdata/udprouters.json", }, }, { desc: "all UDP routers, pagination, 1 res per page, want page 2", path: "/api/udp/routers?page=2&per_page=1", conf: runtime.Configuration{ UDPRouters: map[string]*runtime.UDPRouterInfo{ "bar@myprovider": { UDPRouter: &dynamic.UDPRouter{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", }, }, "baz@myprovider": { UDPRouter: &dynamic.UDPRouter{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", }, }, "test@myprovider": { UDPRouter: &dynamic.UDPRouter{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", }, }, }, }, expected: expected{ statusCode: http.StatusOK, nextPage: "3", jsonFile: "testdata/udprouters-page2.json", }, }, { desc: "UDP routers filtered by status", path: "/api/udp/routers?status=enabled", conf: runtime.Configuration{ UDPRouters: map[string]*runtime.UDPRouterInfo{ "test@myprovider": { UDPRouter: &dynamic.UDPRouter{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", }, Status: runtime.StatusEnabled, }, "bar@myprovider": { UDPRouter: &dynamic.UDPRouter{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", }, Status: runtime.StatusWarning, }, "foo@myprovider": { UDPRouter: &dynamic.UDPRouter{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", }, Status: runtime.StatusDisabled, }, }, }, expected: expected{ statusCode: http.StatusOK, nextPage: "1", jsonFile: "testdata/udprouters-filtered-status.json", }, }, { desc: "UDP routers filtered by search", path: "/api/udp/routers?search=bar@my", conf: runtime.Configuration{ UDPRouters: map[string]*runtime.UDPRouterInfo{ "test@myprovider": { UDPRouter: &dynamic.UDPRouter{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", }, Status: runtime.StatusEnabled, }, "bar@myprovider": { UDPRouter: &dynamic.UDPRouter{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", }, Status: runtime.StatusWarning, }, "foo@myprovider": { UDPRouter: &dynamic.UDPRouter{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", }, Status: runtime.StatusDisabled, }, }, }, expected: expected{ statusCode: http.StatusOK, nextPage: "1", jsonFile: "testdata/udprouters-filtered-search.json", }, }, { desc: "UDP routers filtered by service", path: "/api/udp/routers?serviceName=foo-service@myprovider", conf: runtime.Configuration{ UDPRouters: map[string]*runtime.UDPRouterInfo{ "test@myprovider": { UDPRouter: &dynamic.UDPRouter{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", }, Status: runtime.StatusEnabled, }, "bar@myprovider": { UDPRouter: &dynamic.UDPRouter{ EntryPoints: []string{"web"}, Service: "foo-service", }, Status: runtime.StatusWarning, }, "foo@myprovider": { UDPRouter: &dynamic.UDPRouter{ EntryPoints: []string{"web"}, Service: "bar-service@myprovider", }, Status: runtime.StatusDisabled, }, }, }, expected: expected{ statusCode: http.StatusOK, nextPage: "1", jsonFile: "testdata/udprouters-filtered-serviceName.json", }, }, { desc: "one UDP router by id", path: "/api/udp/routers/bar@myprovider", conf: runtime.Configuration{ UDPRouters: map[string]*runtime.UDPRouterInfo{ "bar@myprovider": { UDPRouter: &dynamic.UDPRouter{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", }, }, }, }, expected: expected{ statusCode: http.StatusOK, jsonFile: "testdata/udprouter-bar.json", }, }, { desc: "one UDP router by id, that does not exist", path: "/api/udp/routers/foo@myprovider", conf: runtime.Configuration{ UDPRouters: map[string]*runtime.UDPRouterInfo{ "bar@myprovider": { UDPRouter: &dynamic.UDPRouter{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", }, }, }, }, expected: expected{ statusCode: http.StatusNotFound, }, }, { desc: "one UDP router by id, but no config", path: "/api/udp/routers/bar@myprovider", conf: runtime.Configuration{}, expected: expected{ statusCode: http.StatusNotFound, }, }, { desc: "all udp services, but no config", path: "/api/udp/services", conf: runtime.Configuration{}, expected: expected{ statusCode: http.StatusOK, nextPage: "1", jsonFile: "testdata/udpservices-empty.json", }, }, { desc: "all udp services", path: "/api/udp/services", conf: runtime.Configuration{ UDPServices: map[string]*runtime.UDPServiceInfo{ "bar@myprovider": { UDPService: &dynamic.UDPService{ LoadBalancer: &dynamic.UDPServersLoadBalancer{ Servers: []dynamic.UDPServer{ { Address: "127.0.0.1:2345", }, }, }, }, UsedBy: []string{"foo@myprovider", "test@myprovider"}, Status: runtime.StatusEnabled, }, "baz@myprovider": { UDPService: &dynamic.UDPService{ LoadBalancer: &dynamic.UDPServersLoadBalancer{ Servers: []dynamic.UDPServer{ { Address: "127.0.0.2:2345", }, }, }, }, UsedBy: []string{"foo@myprovider"}, Status: runtime.StatusWarning, }, "foz@myprovider": { UDPService: &dynamic.UDPService{ LoadBalancer: &dynamic.UDPServersLoadBalancer{ Servers: []dynamic.UDPServer{ { Address: "127.0.0.2:2345", }, }, }, }, UsedBy: []string{"foo@myprovider"}, Status: runtime.StatusDisabled, }, }, }, expected: expected{ statusCode: http.StatusOK, nextPage: "1", jsonFile: "testdata/udpservices.json", }, }, { desc: "udp services filtered by status", path: "/api/udp/services?status=enabled", conf: runtime.Configuration{ UDPServices: map[string]*runtime.UDPServiceInfo{ "bar@myprovider": { UDPService: &dynamic.UDPService{ LoadBalancer: &dynamic.UDPServersLoadBalancer{ Servers: []dynamic.UDPServer{ { Address: "127.0.0.1:2345", }, }, }, }, UsedBy: []string{"foo@myprovider", "test@myprovider"}, Status: runtime.StatusEnabled, }, "baz@myprovider": { UDPService: &dynamic.UDPService{ LoadBalancer: &dynamic.UDPServersLoadBalancer{ Servers: []dynamic.UDPServer{ { Address: "127.0.0.2:2345", }, }, }, }, UsedBy: []string{"foo@myprovider"}, Status: runtime.StatusWarning, }, "foz@myprovider": { UDPService: &dynamic.UDPService{ LoadBalancer: &dynamic.UDPServersLoadBalancer{ Servers: []dynamic.UDPServer{ { Address: "127.0.0.2:2345", }, }, }, }, UsedBy: []string{"foo@myprovider"}, Status: runtime.StatusDisabled, }, }, }, expected: expected{ statusCode: http.StatusOK, nextPage: "1", jsonFile: "testdata/udpservices-filtered-status.json", }, }, { desc: "udp services filtered by search", path: "/api/udp/services?search=baz@my", conf: runtime.Configuration{ UDPServices: map[string]*runtime.UDPServiceInfo{ "bar@myprovider": { UDPService: &dynamic.UDPService{ LoadBalancer: &dynamic.UDPServersLoadBalancer{ Servers: []dynamic.UDPServer{ { Address: "127.0.0.1:2345", }, }, }, }, UsedBy: []string{"foo@myprovider", "test@myprovider"}, Status: runtime.StatusEnabled, }, "baz@myprovider": { UDPService: &dynamic.UDPService{ LoadBalancer: &dynamic.UDPServersLoadBalancer{ Servers: []dynamic.UDPServer{ { Address: "127.0.0.2:2345", }, }, }, }, UsedBy: []string{"foo@myprovider"}, Status: runtime.StatusWarning, }, "foz@myprovider": { UDPService: &dynamic.UDPService{ LoadBalancer: &dynamic.UDPServersLoadBalancer{ Servers: []dynamic.UDPServer{ { Address: "127.0.0.2:2345", }, }, }, }, UsedBy: []string{"foo@myprovider"}, Status: runtime.StatusDisabled, }, }, }, expected: expected{ statusCode: http.StatusOK, nextPage: "1", jsonFile: "testdata/udpservices-filtered-search.json", }, }, { desc: "all udp services, 1 res per page, want page 2", path: "/api/udp/services?page=2&per_page=1", conf: runtime.Configuration{ UDPServices: map[string]*runtime.UDPServiceInfo{ "bar@myprovider": { UDPService: &dynamic.UDPService{ LoadBalancer: &dynamic.UDPServersLoadBalancer{ Servers: []dynamic.UDPServer{ { Address: "127.0.0.1:2345", }, }, }, }, UsedBy: []string{"foo@myprovider", "test@myprovider"}, }, "baz@myprovider": { UDPService: &dynamic.UDPService{ LoadBalancer: &dynamic.UDPServersLoadBalancer{ Servers: []dynamic.UDPServer{ { Address: "127.0.0.2:2345", }, }, }, }, UsedBy: []string{"foo@myprovider"}, }, "test@myprovider": { UDPService: &dynamic.UDPService{ LoadBalancer: &dynamic.UDPServersLoadBalancer{ Servers: []dynamic.UDPServer{ { Address: "127.0.0.3:2345", }, }, }, }, }, }, }, expected: expected{ statusCode: http.StatusOK, nextPage: "3", jsonFile: "testdata/udpservices-page2.json", }, }, { desc: "one udp service by id", path: "/api/udp/services/bar@myprovider", conf: runtime.Configuration{ UDPServices: map[string]*runtime.UDPServiceInfo{ "bar@myprovider": { UDPService: &dynamic.UDPService{ LoadBalancer: &dynamic.UDPServersLoadBalancer{ Servers: []dynamic.UDPServer{ { Address: "127.0.0.1:2345", }, }, }, }, UsedBy: []string{"foo@myprovider", "test@myprovider"}, }, }, }, expected: expected{ statusCode: http.StatusOK, jsonFile: "testdata/udpservice-bar.json", }, }, { desc: "one udp service by id, that does not exist", path: "/api/udp/services/nono@myprovider", conf: runtime.Configuration{ UDPServices: map[string]*runtime.UDPServiceInfo{ "bar@myprovider": { UDPService: &dynamic.UDPService{ LoadBalancer: &dynamic.UDPServersLoadBalancer{ Servers: []dynamic.UDPServer{ { Address: "127.0.0.1:2345", }, }, }, }, UsedBy: []string{"foo@myprovider", "test@myprovider"}, }, }, }, expected: expected{ statusCode: http.StatusNotFound, }, }, { desc: "one udp service by id, but no config", path: "/api/udp/services/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() rtConf.GetUDPRoutersByEntryPoints(context.Background(), []string{"web"}) handler := New(static.Configuration{API: &static.API{}, Global: &static.Global{}}, rtConf) server := httptest.NewServer(handler.createRouter()) resp, err := http.DefaultClient.Get(server.URL + test.path) require.NoError(t, err) assert.Equal(t, test.expected.nextPage, resp.Header.Get(nextPageHeader)) require.Equal(t, test.expected.statusCode, resp.StatusCode) if test.expected.jsonFile == "" { return } assert.Equal(t, "application/json", resp.Header.Get("Content-Type")) contents, err := io.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 = os.WriteFile(test.expected.jsonFile, newJSON, 0o644) require.NoError(t, err) } data, err := os.ReadFile(test.expected.jsonFile) require.NoError(t, err) assert.JSONEq(t, string(data), string(contents)) }) } }