821 lines
20 KiB
Go
821 lines
20 KiB
Go
package router
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import (
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"context"
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"strings"
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"testing"
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"github.com/containous/traefik/v2/pkg/config/dynamic"
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"github.com/containous/traefik/v2/pkg/config/runtime"
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"github.com/containous/traefik/v2/pkg/middlewares/accesslog"
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"github.com/containous/traefik/v2/pkg/middlewares/requestdecorator"
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"github.com/containous/traefik/v2/pkg/responsemodifiers"
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"github.com/containous/traefik/v2/pkg/server/middleware"
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"github.com/containous/traefik/v2/pkg/server/service"
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"github.com/containous/traefik/v2/pkg/testhelpers"
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"github.com/containous/traefik/v2/pkg/types"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestRouterManager_Get(t *testing.T) {
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {}))
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type ExpectedResult struct {
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StatusCode int
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RequestHeaders map[string]string
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}
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testCases := []struct {
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desc string
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routersConfig map[string]*dynamic.Router
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serviceConfig map[string]*dynamic.Service
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middlewaresConfig map[string]*dynamic.Middleware
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entryPoints []string
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expected ExpectedResult
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}{
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{
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desc: "no middleware",
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routersConfig: map[string]*dynamic.Router{
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"foo": {
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EntryPoints: []string{"web"},
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Service: "foo-service",
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Rule: "Host(`foo.bar`)",
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},
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},
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serviceConfig: map[string]*dynamic.Service{
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"foo-service": {
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LoadBalancer: &dynamic.LoadBalancerService{
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Servers: []dynamic.Server{
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{
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URL: server.URL,
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},
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},
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},
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},
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},
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entryPoints: []string{"web"},
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expected: ExpectedResult{StatusCode: http.StatusOK},
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},
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{
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desc: "no load balancer",
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routersConfig: map[string]*dynamic.Router{
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"foo": {
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EntryPoints: []string{"web"},
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Service: "foo-service",
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Rule: "Host(`foo.bar`)",
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},
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},
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serviceConfig: map[string]*dynamic.Service{
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"foo-service": {},
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},
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entryPoints: []string{"web"},
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expected: ExpectedResult{StatusCode: http.StatusNotFound},
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},
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{
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desc: "no middleware, default entry point",
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routersConfig: map[string]*dynamic.Router{
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"foo": {
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Service: "foo-service",
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Rule: "Host(`foo.bar`)",
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},
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},
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serviceConfig: map[string]*dynamic.Service{
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"foo-service": {
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LoadBalancer: &dynamic.LoadBalancerService{
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Servers: []dynamic.Server{
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{
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URL: server.URL,
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},
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},
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},
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},
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},
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entryPoints: []string{"web"},
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expected: ExpectedResult{StatusCode: http.StatusOK},
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},
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{
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desc: "no middleware, no matching",
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routersConfig: map[string]*dynamic.Router{
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"foo": {
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EntryPoints: []string{"web"},
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Service: "foo-service",
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Rule: "Host(`bar.bar`)",
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},
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},
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serviceConfig: map[string]*dynamic.Service{
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"foo-service": {
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LoadBalancer: &dynamic.LoadBalancerService{
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Servers: []dynamic.Server{
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{
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URL: server.URL,
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},
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},
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},
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},
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},
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entryPoints: []string{"web"},
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expected: ExpectedResult{StatusCode: http.StatusNotFound},
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},
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{
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desc: "middleware: headers > auth",
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routersConfig: map[string]*dynamic.Router{
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"foo": {
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EntryPoints: []string{"web"},
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Middlewares: []string{"headers-middle", "auth-middle"},
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Service: "foo-service",
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Rule: "Host(`foo.bar`)",
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},
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},
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serviceConfig: map[string]*dynamic.Service{
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"foo-service": {
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LoadBalancer: &dynamic.LoadBalancerService{
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Servers: []dynamic.Server{
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{
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URL: server.URL,
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},
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},
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},
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},
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},
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middlewaresConfig: map[string]*dynamic.Middleware{
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"auth-middle": {
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BasicAuth: &dynamic.BasicAuth{
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Users: []string{"toto:titi"},
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},
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},
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"headers-middle": {
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Headers: &dynamic.Headers{
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CustomRequestHeaders: map[string]string{"X-Apero": "beer"},
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},
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},
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},
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entryPoints: []string{"web"},
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expected: ExpectedResult{
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StatusCode: http.StatusUnauthorized,
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RequestHeaders: map[string]string{
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"X-Apero": "beer",
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},
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},
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},
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{
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desc: "middleware: auth > header",
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routersConfig: map[string]*dynamic.Router{
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"foo": {
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EntryPoints: []string{"web"},
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Middlewares: []string{"auth-middle", "headers-middle"},
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Service: "foo-service",
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Rule: "Host(`foo.bar`)",
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},
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},
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serviceConfig: map[string]*dynamic.Service{
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"foo-service": {
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LoadBalancer: &dynamic.LoadBalancerService{
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Servers: []dynamic.Server{
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{
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URL: server.URL,
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},
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},
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},
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},
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},
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middlewaresConfig: map[string]*dynamic.Middleware{
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"auth-middle": {
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BasicAuth: &dynamic.BasicAuth{
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Users: []string{"toto:titi"},
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},
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},
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"headers-middle": {
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Headers: &dynamic.Headers{
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CustomRequestHeaders: map[string]string{"X-Apero": "beer"},
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},
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},
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},
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entryPoints: []string{"web"},
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expected: ExpectedResult{
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StatusCode: http.StatusUnauthorized,
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RequestHeaders: map[string]string{
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"X-Apero": "",
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},
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},
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},
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{
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desc: "no middleware with provider name",
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routersConfig: map[string]*dynamic.Router{
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"foo@provider-1": {
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EntryPoints: []string{"web"},
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Service: "foo-service",
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Rule: "Host(`foo.bar`)",
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},
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},
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serviceConfig: map[string]*dynamic.Service{
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"foo-service@provider-1": {
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LoadBalancer: &dynamic.LoadBalancerService{
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Servers: []dynamic.Server{
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{
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URL: server.URL,
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},
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},
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},
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},
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},
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entryPoints: []string{"web"},
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expected: ExpectedResult{StatusCode: http.StatusOK},
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},
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{
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desc: "no middleware with specified provider name",
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routersConfig: map[string]*dynamic.Router{
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"foo@provider-1": {
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EntryPoints: []string{"web"},
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Service: "foo-service@provider-2",
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Rule: "Host(`foo.bar`)",
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},
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},
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serviceConfig: map[string]*dynamic.Service{
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"foo-service@provider-2": {
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LoadBalancer: &dynamic.LoadBalancerService{
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Servers: []dynamic.Server{
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{
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URL: server.URL,
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},
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},
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},
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},
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},
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entryPoints: []string{"web"},
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expected: ExpectedResult{StatusCode: http.StatusOK},
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},
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{
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desc: "middleware: chain with provider name",
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routersConfig: map[string]*dynamic.Router{
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"foo@provider-1": {
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EntryPoints: []string{"web"},
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Middlewares: []string{"chain-middle@provider-2", "headers-middle"},
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Service: "foo-service",
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Rule: "Host(`foo.bar`)",
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},
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},
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serviceConfig: map[string]*dynamic.Service{
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"foo-service@provider-1": {
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LoadBalancer: &dynamic.LoadBalancerService{
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Servers: []dynamic.Server{
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{
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URL: server.URL,
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},
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},
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},
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},
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},
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middlewaresConfig: map[string]*dynamic.Middleware{
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"chain-middle@provider-2": {
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Chain: &dynamic.Chain{Middlewares: []string{"auth-middle"}},
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},
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"auth-middle@provider-2": {
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BasicAuth: &dynamic.BasicAuth{
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Users: []string{"toto:titi"},
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},
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},
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"headers-middle@provider-1": {
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Headers: &dynamic.Headers{
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CustomRequestHeaders: map[string]string{"X-Apero": "beer"},
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},
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},
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},
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entryPoints: []string{"web"},
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expected: ExpectedResult{
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StatusCode: http.StatusUnauthorized,
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RequestHeaders: map[string]string{
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"X-Apero": "",
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},
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},
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},
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}
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for _, test := range testCases {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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rtConf := runtime.NewConfig(dynamic.Configuration{
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HTTP: &dynamic.HTTPConfiguration{
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Services: test.serviceConfig,
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Routers: test.routersConfig,
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Middlewares: test.middlewaresConfig,
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},
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})
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serviceManager := service.NewManager(rtConf.Services, http.DefaultTransport, nil)
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middlewaresBuilder := middleware.NewBuilder(rtConf.Middlewares, serviceManager)
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responseModifierFactory := responsemodifiers.NewBuilder(rtConf.Middlewares)
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routerManager := NewManager(rtConf, serviceManager, middlewaresBuilder, responseModifierFactory)
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handlers := routerManager.BuildHandlers(context.Background(), test.entryPoints, false)
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w := httptest.NewRecorder()
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req := testhelpers.MustNewRequest(http.MethodGet, "http://foo.bar/", nil)
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reqHost := requestdecorator.New(nil)
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reqHost.ServeHTTP(w, req, handlers["web"].ServeHTTP)
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assert.Equal(t, test.expected.StatusCode, w.Code)
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for key, value := range test.expected.RequestHeaders {
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assert.Equal(t, value, req.Header.Get(key))
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}
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})
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}
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}
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func TestAccessLog(t *testing.T) {
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {}))
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testCases := []struct {
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desc string
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routersConfig map[string]*dynamic.Router
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serviceConfig map[string]*dynamic.Service
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middlewaresConfig map[string]*dynamic.Middleware
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entryPoints []string
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expected string
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}{
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{
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desc: "apply routerName in accesslog (first match)",
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routersConfig: map[string]*dynamic.Router{
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"foo": {
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EntryPoints: []string{"web"},
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Service: "foo-service",
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Rule: "Host(`foo.bar`)",
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},
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"bar": {
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EntryPoints: []string{"web"},
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Service: "foo-service",
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Rule: "Host(`bar.foo`)",
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},
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},
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serviceConfig: map[string]*dynamic.Service{
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"foo-service": {
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LoadBalancer: &dynamic.LoadBalancerService{
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Servers: []dynamic.Server{
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{
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URL: server.URL,
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},
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},
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},
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},
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},
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entryPoints: []string{"web"},
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expected: "foo",
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},
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{
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desc: "apply routerName in accesslog (second match)",
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routersConfig: map[string]*dynamic.Router{
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"foo": {
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EntryPoints: []string{"web"},
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Service: "foo-service",
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Rule: "Host(`bar.foo`)",
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},
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"bar": {
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EntryPoints: []string{"web"},
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Service: "foo-service",
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Rule: "Host(`foo.bar`)",
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},
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},
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serviceConfig: map[string]*dynamic.Service{
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"foo-service": {
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LoadBalancer: &dynamic.LoadBalancerService{
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Servers: []dynamic.Server{
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{
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URL: server.URL,
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},
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},
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},
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},
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},
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entryPoints: []string{"web"},
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expected: "bar",
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},
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}
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for _, test := range testCases {
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t.Run(test.desc, func(t *testing.T) {
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rtConf := runtime.NewConfig(dynamic.Configuration{
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HTTP: &dynamic.HTTPConfiguration{
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Services: test.serviceConfig,
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Routers: test.routersConfig,
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Middlewares: test.middlewaresConfig,
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},
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})
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serviceManager := service.NewManager(rtConf.Services, http.DefaultTransport, nil)
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middlewaresBuilder := middleware.NewBuilder(rtConf.Middlewares, serviceManager)
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responseModifierFactory := responsemodifiers.NewBuilder(rtConf.Middlewares)
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routerManager := NewManager(rtConf, serviceManager, middlewaresBuilder, responseModifierFactory)
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handlers := routerManager.BuildHandlers(context.Background(), test.entryPoints, false)
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w := httptest.NewRecorder()
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req := testhelpers.MustNewRequest(http.MethodGet, "http://foo.bar/", nil)
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accesslogger, err := accesslog.NewHandler(&types.AccessLog{
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Format: "json",
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})
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require.NoError(t, err)
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reqHost := requestdecorator.New(nil)
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accesslogger.ServeHTTP(w, req, http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
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reqHost.ServeHTTP(w, req, handlers["web"].ServeHTTP)
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data := accesslog.GetLogData(req)
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require.NotNil(t, data)
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assert.Equal(t, test.expected, data.Core[accesslog.RouterName])
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}))
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})
|
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}
|
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}
|
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|
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func TestRuntimeConfiguration(t *testing.T) {
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testCases := []struct {
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desc string
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serviceConfig map[string]*dynamic.Service
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routerConfig map[string]*dynamic.Router
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middlewareConfig map[string]*dynamic.Middleware
|
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expectedError int
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}{
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{
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desc: "No error",
|
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serviceConfig: map[string]*dynamic.Service{
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"foo-service": {
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LoadBalancer: &dynamic.LoadBalancerService{
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Servers: []dynamic.Server{
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{
|
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URL: "http://127.0.0.1:8085",
|
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},
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{
|
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URL: "http://127.0.0.1:8086",
|
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},
|
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},
|
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HealthCheck: &dynamic.HealthCheck{
|
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Interval: "500ms",
|
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Path: "/health",
|
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},
|
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},
|
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},
|
|
},
|
|
routerConfig: map[string]*dynamic.Router{
|
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"foo": {
|
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EntryPoints: []string{"web"},
|
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Service: "foo-service",
|
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Rule: "Host(`bar.foo`)",
|
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},
|
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"bar": {
|
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EntryPoints: []string{"web"},
|
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Service: "foo-service",
|
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Rule: "Host(`foo.bar`)",
|
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},
|
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},
|
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expectedError: 0,
|
|
},
|
|
{
|
|
desc: "One router with wrong rule",
|
|
serviceConfig: map[string]*dynamic.Service{
|
|
"foo-service": {
|
|
LoadBalancer: &dynamic.LoadBalancerService{
|
|
Servers: []dynamic.Server{
|
|
{
|
|
URL: "http://127.0.0.1",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
routerConfig: map[string]*dynamic.Router{
|
|
"foo": {
|
|
EntryPoints: []string{"web"},
|
|
Service: "foo-service",
|
|
Rule: "WrongRule(`bar.foo`)",
|
|
},
|
|
"bar": {
|
|
EntryPoints: []string{"web"},
|
|
Service: "foo-service",
|
|
Rule: "Host(`foo.bar`)",
|
|
},
|
|
},
|
|
expectedError: 1,
|
|
},
|
|
{
|
|
desc: "All router with wrong rule",
|
|
serviceConfig: map[string]*dynamic.Service{
|
|
"foo-service": {
|
|
LoadBalancer: &dynamic.LoadBalancerService{
|
|
Servers: []dynamic.Server{
|
|
{
|
|
URL: "http://127.0.0.1",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
routerConfig: map[string]*dynamic.Router{
|
|
"foo": {
|
|
EntryPoints: []string{"web"},
|
|
Service: "foo-service",
|
|
Rule: "WrongRule(`bar.foo`)",
|
|
},
|
|
"bar": {
|
|
EntryPoints: []string{"web"},
|
|
Service: "foo-service",
|
|
Rule: "WrongRule(`foo.bar`)",
|
|
},
|
|
},
|
|
expectedError: 2,
|
|
},
|
|
{
|
|
desc: "Router with unknown service",
|
|
serviceConfig: map[string]*dynamic.Service{
|
|
"foo-service": {
|
|
LoadBalancer: &dynamic.LoadBalancerService{
|
|
Servers: []dynamic.Server{
|
|
{
|
|
URL: "http://127.0.0.1",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
routerConfig: map[string]*dynamic.Router{
|
|
"foo": {
|
|
EntryPoints: []string{"web"},
|
|
Service: "wrong-service",
|
|
Rule: "Host(`bar.foo`)",
|
|
},
|
|
"bar": {
|
|
EntryPoints: []string{"web"},
|
|
Service: "foo-service",
|
|
Rule: "Host(`foo.bar`)",
|
|
},
|
|
},
|
|
expectedError: 1,
|
|
},
|
|
{
|
|
desc: "Router with broken service",
|
|
serviceConfig: map[string]*dynamic.Service{
|
|
"foo-service": {
|
|
LoadBalancer: nil,
|
|
},
|
|
},
|
|
routerConfig: map[string]*dynamic.Router{
|
|
"bar": {
|
|
EntryPoints: []string{"web"},
|
|
Service: "foo-service",
|
|
Rule: "Host(`foo.bar`)",
|
|
},
|
|
},
|
|
expectedError: 2,
|
|
},
|
|
{
|
|
desc: "Router with middleware",
|
|
serviceConfig: map[string]*dynamic.Service{
|
|
"foo-service": {
|
|
LoadBalancer: &dynamic.LoadBalancerService{
|
|
Servers: []dynamic.Server{
|
|
{
|
|
URL: "http://127.0.0.1",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
middlewareConfig: map[string]*dynamic.Middleware{
|
|
"auth": {
|
|
BasicAuth: &dynamic.BasicAuth{
|
|
Users: []string{"admin:admin"},
|
|
},
|
|
},
|
|
"addPrefixTest": {
|
|
AddPrefix: &dynamic.AddPrefix{
|
|
Prefix: "/toto",
|
|
},
|
|
},
|
|
},
|
|
routerConfig: map[string]*dynamic.Router{
|
|
"bar": {
|
|
EntryPoints: []string{"web"},
|
|
Service: "foo-service",
|
|
Rule: "Host(`foo.bar`)",
|
|
Middlewares: []string{"auth", "addPrefixTest"},
|
|
},
|
|
"test": {
|
|
EntryPoints: []string{"web"},
|
|
Service: "foo-service",
|
|
Rule: "Host(`foo.bar.other`)",
|
|
Middlewares: []string{"addPrefixTest", "auth"},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
desc: "Router with unknown middleware",
|
|
serviceConfig: map[string]*dynamic.Service{
|
|
"foo-service": {
|
|
LoadBalancer: &dynamic.LoadBalancerService{
|
|
Servers: []dynamic.Server{
|
|
{
|
|
URL: "http://127.0.0.1",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
middlewareConfig: map[string]*dynamic.Middleware{
|
|
"auth": {
|
|
BasicAuth: &dynamic.BasicAuth{
|
|
Users: []string{"admin:admin"},
|
|
},
|
|
},
|
|
},
|
|
routerConfig: map[string]*dynamic.Router{
|
|
"bar": {
|
|
EntryPoints: []string{"web"},
|
|
Service: "foo-service",
|
|
Rule: "Host(`foo.bar`)",
|
|
Middlewares: []string{"unknown"},
|
|
},
|
|
},
|
|
expectedError: 1,
|
|
},
|
|
|
|
{
|
|
desc: "Router with broken middleware",
|
|
serviceConfig: map[string]*dynamic.Service{
|
|
"foo-service": {
|
|
LoadBalancer: &dynamic.LoadBalancerService{
|
|
Servers: []dynamic.Server{
|
|
{
|
|
URL: "http://127.0.0.1",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
middlewareConfig: map[string]*dynamic.Middleware{
|
|
"auth": {
|
|
BasicAuth: &dynamic.BasicAuth{
|
|
Users: []string{"foo"},
|
|
},
|
|
},
|
|
},
|
|
routerConfig: map[string]*dynamic.Router{
|
|
"bar": {
|
|
EntryPoints: []string{"web"},
|
|
Service: "foo-service",
|
|
Rule: "Host(`foo.bar`)",
|
|
Middlewares: []string{"auth"},
|
|
},
|
|
},
|
|
expectedError: 2,
|
|
},
|
|
}
|
|
|
|
for _, test := range testCases {
|
|
test := test
|
|
|
|
t.Run(test.desc, func(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
entryPoints := []string{"web"}
|
|
|
|
rtConf := runtime.NewConfig(dynamic.Configuration{
|
|
HTTP: &dynamic.HTTPConfiguration{
|
|
Services: test.serviceConfig,
|
|
Routers: test.routerConfig,
|
|
Middlewares: test.middlewareConfig,
|
|
},
|
|
})
|
|
serviceManager := service.NewManager(rtConf.Services, http.DefaultTransport, nil)
|
|
middlewaresBuilder := middleware.NewBuilder(rtConf.Middlewares, serviceManager)
|
|
responseModifierFactory := responsemodifiers.NewBuilder(map[string]*runtime.MiddlewareInfo{})
|
|
routerManager := NewManager(rtConf, serviceManager, middlewaresBuilder, responseModifierFactory)
|
|
|
|
_ = routerManager.BuildHandlers(context.Background(), entryPoints, false)
|
|
|
|
// even though rtConf was passed by argument to the manager builders above,
|
|
// it's ok to use it as the result we check, because everything worth checking
|
|
// can be accessed by pointers in it.
|
|
var allErrors int
|
|
for _, v := range rtConf.Services {
|
|
if v.Err != nil {
|
|
allErrors++
|
|
}
|
|
}
|
|
for _, v := range rtConf.Routers {
|
|
if len(v.Err) > 0 {
|
|
allErrors++
|
|
}
|
|
}
|
|
for _, v := range rtConf.Middlewares {
|
|
if v.Err != nil {
|
|
allErrors++
|
|
}
|
|
}
|
|
assert.Equal(t, test.expectedError, allErrors)
|
|
})
|
|
}
|
|
|
|
}
|
|
|
|
type staticTransport struct {
|
|
res *http.Response
|
|
}
|
|
|
|
func (t *staticTransport) RoundTrip(r *http.Request) (*http.Response, error) {
|
|
return t.res, nil
|
|
}
|
|
|
|
func BenchmarkRouterServe(b *testing.B) {
|
|
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {}))
|
|
|
|
res := &http.Response{
|
|
StatusCode: 200,
|
|
Body: ioutil.NopCloser(strings.NewReader("")),
|
|
}
|
|
routersConfig := map[string]*dynamic.Router{
|
|
"foo": {
|
|
EntryPoints: []string{"web"},
|
|
Service: "foo-service",
|
|
Rule: "Host(`foo.bar`) && Path(`/`)",
|
|
},
|
|
}
|
|
serviceConfig := map[string]*dynamic.Service{
|
|
"foo-service": {
|
|
LoadBalancer: &dynamic.LoadBalancerService{
|
|
Servers: []dynamic.Server{
|
|
{
|
|
URL: server.URL,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
entryPoints := []string{"web"}
|
|
|
|
rtConf := runtime.NewConfig(dynamic.Configuration{
|
|
HTTP: &dynamic.HTTPConfiguration{
|
|
Services: serviceConfig,
|
|
Routers: routersConfig,
|
|
Middlewares: map[string]*dynamic.Middleware{},
|
|
},
|
|
})
|
|
serviceManager := service.NewManager(rtConf.Services, &staticTransport{res}, nil)
|
|
middlewaresBuilder := middleware.NewBuilder(rtConf.Middlewares, serviceManager)
|
|
responseModifierFactory := responsemodifiers.NewBuilder(rtConf.Middlewares)
|
|
routerManager := NewManager(rtConf, serviceManager, middlewaresBuilder, responseModifierFactory)
|
|
|
|
handlers := routerManager.BuildHandlers(context.Background(), entryPoints, false)
|
|
|
|
w := httptest.NewRecorder()
|
|
req := testhelpers.MustNewRequest(http.MethodGet, "http://foo.bar/", nil)
|
|
|
|
reqHost := requestdecorator.New(nil)
|
|
b.ReportAllocs()
|
|
for i := 0; i < b.N; i++ {
|
|
reqHost.ServeHTTP(w, req, handlers["web"].ServeHTTP)
|
|
}
|
|
|
|
}
|
|
|
|
func BenchmarkService(b *testing.B) {
|
|
res := &http.Response{
|
|
StatusCode: 200,
|
|
Body: ioutil.NopCloser(strings.NewReader("")),
|
|
}
|
|
|
|
serviceConfig := map[string]*dynamic.Service{
|
|
"foo-service": {
|
|
LoadBalancer: &dynamic.LoadBalancerService{
|
|
Servers: []dynamic.Server{
|
|
{
|
|
URL: "tchouck",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
rtConf := runtime.NewConfig(dynamic.Configuration{
|
|
HTTP: &dynamic.HTTPConfiguration{
|
|
Services: serviceConfig,
|
|
},
|
|
})
|
|
serviceManager := service.NewManager(rtConf.Services, &staticTransport{res}, nil)
|
|
w := httptest.NewRecorder()
|
|
req := testhelpers.MustNewRequest(http.MethodGet, "http://foo.bar/", nil)
|
|
|
|
handler, _ := serviceManager.BuildHTTP(context.Background(), "foo-service", nil)
|
|
b.ReportAllocs()
|
|
for i := 0; i < b.N; i++ {
|
|
handler.ServeHTTP(w, req)
|
|
}
|
|
|
|
}
|