traefik/pkg/api/handler_overview_test.go
2020-07-07 14:42:03 +02:00

289 lines
8 KiB
Go

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))
})
}
}