package api import ( "encoding/json" "io/ioutil" "net/http" "net/http/httptest" "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/containous/traefik/v2/pkg/provider/docker" "github.com/containous/traefik/v2/pkg/provider/file" "github.com/containous/traefik/v2/pkg/provider/kubernetes/crd" "github.com/containous/traefik/v2/pkg/provider/kubernetes/ingress" "github.com/containous/traefik/v2/pkg/provider/marathon" "github.com/containous/traefik/v2/pkg/provider/rancher" "github.com/containous/traefik/v2/pkg/provider/rest" "github.com/containous/traefik/v2/pkg/tracing/jaeger" "github.com/containous/traefik/v2/pkg/types" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) func TestHandler_Overview(t *testing.T) { type expected struct { statusCode int jsonFile string } testCases := []struct { desc string path string confStatic static.Configuration confDyn runtime.Configuration expected expected }{ { desc: "without data in the dynamic configuration", path: "/api/overview", confStatic: static.Configuration{API: &static.API{}, Global: &static.Global{}}, confDyn: runtime.Configuration{}, expected: expected{ statusCode: http.StatusOK, jsonFile: "testdata/overview-empty.json", }, }, { desc: "with data in the dynamic configuration", path: "/api/overview", confStatic: static.Configuration{API: &static.API{}, Global: &static.Global{}}, confDyn: runtime.Configuration{ Services: map[string]*runtime.ServiceInfo{ "foo-service@myprovider": { Service: &dynamic.Service{ LoadBalancer: &dynamic.ServersLoadBalancer{ Servers: []dynamic.Server{{URL: "http://127.0.0.1"}}, }, }, Status: runtime.StatusEnabled, }, "bar-service@myprovider": { Service: &dynamic.Service{ LoadBalancer: &dynamic.ServersLoadBalancer{ Servers: []dynamic.Server{{URL: "http://127.0.0.1"}}, }, }, Status: runtime.StatusWarning, }, "fii-service@myprovider": { Service: &dynamic.Service{ LoadBalancer: &dynamic.ServersLoadBalancer{ Servers: []dynamic.Server{{URL: "http://127.0.0.1"}}, }, }, Status: runtime.StatusDisabled, }, }, Middlewares: map[string]*runtime.MiddlewareInfo{ "auth@myprovider": { Middleware: &dynamic.Middleware{ BasicAuth: &dynamic.BasicAuth{ Users: []string{"admin:admin"}, }, }, Status: runtime.StatusEnabled, }, "addPrefixTest@myprovider": { Middleware: &dynamic.Middleware{ AddPrefix: &dynamic.AddPrefix{ Prefix: "/titi", }, }, }, "addPrefixTest@anotherprovider": { Middleware: &dynamic.Middleware{ AddPrefix: &dynamic.AddPrefix{ Prefix: "/toto", }, }, Err: []string{"error"}, Status: runtime.StatusDisabled, }, }, 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: runtime.StatusEnabled, }, "test@myprovider": { Router: &dynamic.Router{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", Rule: "Host(`foo.bar.other`)", Middlewares: []string{"addPrefixTest", "auth"}, }, Status: runtime.StatusWarning, }, "foo@myprovider": { Router: &dynamic.Router{ EntryPoints: []string{"web"}, Service: "foo-service@myprovider", Rule: "Host(`foo.bar.other`)", Middlewares: []string{"addPrefixTest", "auth"}, }, Status: runtime.StatusDisabled, }, }, TCPServices: map[string]*runtime.TCPServiceInfo{ "tcpfoo-service@myprovider": { TCPService: &dynamic.TCPService{ LoadBalancer: &dynamic.TCPServersLoadBalancer{ Servers: []dynamic.TCPServer{ { Address: "127.0.0.1", }, }, }, }, Status: runtime.StatusEnabled, }, "tcpbar-service@myprovider": { TCPService: &dynamic.TCPService{ LoadBalancer: &dynamic.TCPServersLoadBalancer{ Servers: []dynamic.TCPServer{ { Address: "127.0.0.2", }, }, }, }, Status: runtime.StatusWarning, }, "tcpfii-service@myprovider": { TCPService: &dynamic.TCPService{ LoadBalancer: &dynamic.TCPServersLoadBalancer{ Servers: []dynamic.TCPServer{ { Address: "127.0.0.2", }, }, }, }, Status: runtime.StatusDisabled, }, }, TCPRouters: map[string]*runtime.TCPRouterInfo{ "tcpbar@myprovider": { TCPRouter: &dynamic.TCPRouter{ EntryPoints: []string{"web"}, Service: "tcpfoo-service@myprovider", Rule: "HostSNI(`foo.bar`)", }, Status: runtime.StatusEnabled, }, "tcptest@myprovider": { TCPRouter: &dynamic.TCPRouter{ EntryPoints: []string{"web"}, Service: "tcpfoo-service@myprovider", Rule: "HostSNI(`foo.bar.other`)", }, Status: runtime.StatusWarning, }, "tcpfoo@myprovider": { TCPRouter: &dynamic.TCPRouter{ EntryPoints: []string{"web"}, Service: "tcpfoo-service@myprovider", Rule: "HostSNI(`foo.bar.other`)", }, Status: runtime.StatusDisabled, }, }, }, expected: expected{ statusCode: http.StatusOK, jsonFile: "testdata/overview-dynamic.json", }, }, { desc: "with providers", path: "/api/overview", confStatic: static.Configuration{ Global: &static.Global{}, API: &static.API{}, Providers: &static.Providers{ Docker: &docker.Provider{}, File: &file.Provider{}, Marathon: &marathon.Provider{}, KubernetesIngress: &ingress.Provider{}, KubernetesCRD: &crd.Provider{}, Rest: &rest.Provider{}, Rancher: &rancher.Provider{}, }, }, confDyn: runtime.Configuration{}, expected: expected{ statusCode: http.StatusOK, jsonFile: "testdata/overview-providers.json", }, }, { desc: "with features", path: "/api/overview", confStatic: static.Configuration{ Global: &static.Global{}, API: &static.API{}, Metrics: &types.Metrics{ Prometheus: &types.Prometheus{}, }, Tracing: &static.Tracing{ Jaeger: &jaeger.Config{}, }, }, confDyn: runtime.Configuration{}, expected: expected{ statusCode: http.StatusOK, jsonFile: "testdata/overview-features.json", }, }, } for _, test := range testCases { test := test t.Run(test.desc, func(t *testing.T) { t.Parallel() handler := New(test.confStatic, &test.confDyn) server := httptest.NewServer(handler.createRouter()) resp, err := http.DefaultClient.Get(server.URL + test.path) require.NoError(t, err) require.Equal(t, test.expected.statusCode, resp.StatusCode) 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, 0o644) require.NoError(t, err) } data, err := ioutil.ReadFile(test.expected.jsonFile) require.NoError(t, err) assert.JSONEq(t, string(data), string(contents)) }) } }