Merge pull request #93 from vdemeester/integration-test-simple

Updates and additions on some integration tests

.dockerignore

@@ -0,0 +1,3 @@
+dist/
+vendor/
+!dist/traefik

.gitignore

@@ -5,5 +5,5 @@ log
 *.iml
 traefik
 traefik.toml
-
+*.test
 vendor/

Makefile

@@ -20,6 +20,9 @@ print-%: ; @echo $*=$($*)
 
 default: binary
 
+all: build
+	$(DOCKER_RUN_TRAEFIK) ./script/make.sh
+
 binary: build
 	$(DOCKER_RUN_TRAEFIK) ./script/make.sh generate binary
 

README.md

@@ -1,9 +1,9 @@
 ![Træfɪk](http://traefik.github.io/traefik.logo.svg  "Træfɪk")
 ___
 
-[![Circle CI](https://img.shields.io/circleci/project/EmileVauge/traefik.svg)](https://circleci.com/gh/EmileVauge/traefik)
+[![Circle CI](https://circleci.com/gh/emilevauge/traefik.svg?style=shield&circle-token=:circle-token)](https://circleci.com/gh/emilevauge/traefik)
 [![License](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/EmileVauge/traefik/blob/master/LICENSE.md)
-[![Join the chat at https://gitter.im/EmileVauge/traefik](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/EmileVauge/traefik?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+[![Join the chat at https://traefik.herokuapp.com](https://img.shields.io/badge/style-register-green.svg?style=social&label=Slack)](https://traefik.herokuapp.com)
 
 
 Træfɪk is a modern HTTP reverse proxy and load balancer made to deploy microservices with ease.
@@ -85,6 +85,7 @@ You need either [Docker](https://github.com/docker/docker) and `make`, or `go` a
 #### Setting up your `go` environment
 - You need `go` v1.5
 - You need to set `export GO15VENDOREXPERIMENT=1` environment variable
+- You need `go-bindata` to be able to use `go generate` command (needed to build) : `go get github.com/jteeuwen/go-bindata/...`.
 - If you clone Træfɪk into something like `~/go/src/github.com/traefik`, your `GOPATH` variable will have to be set to `~/go`: export `GOPATH=~/go`.
 
 #### Using `Docker` and `Makefile`

boltdb.go

@@ -1,14 +0,0 @@
-package main
-
-type BoltDbProvider struct {
-	Watch      bool
-	Endpoint   string
-	Prefix     string
-	Filename   string
-	KvProvider *KvProvider
-}
-
-func (provider *BoltDbProvider) Provide(configurationChan chan<- configMessage) error {
-	provider.KvProvider = NewBoltDbProvider(provider)
-	return provider.KvProvider.provide(configurationChan)
-}

build.Dockerfile

@@ -3,6 +3,7 @@ FROM golang:1.5
 RUN go get github.com/Masterminds/glide
 RUN go get github.com/mitchellh/gox
 RUN go get github.com/tcnksm/ghr
+RUN go get github.com/jteeuwen/go-bindata/...
 
 # Which docker version to test on
 ENV DOCKER_VERSION 1.6.2

configuration.go

@@ -1,9 +1,10 @@
 package main
 
 import (
-	"errors"
-	"strings"
 	"time"
+
+	"github.com/emilevauge/traefik/provider"
+	"github.com/emilevauge/traefik/types"
 )
 
 type GlobalConfiguration struct {
@@ -14,14 +15,14 @@ type GlobalConfiguration struct {
 	CertFile, KeyFile         string
 	LogLevel                  string
 	ProvidersThrottleDuration time.Duration
-	Docker                    *DockerProvider
-	File                      *FileProvider
+	Docker                    *provider.Docker
+	File                      *provider.File
 	Web                       *WebProvider
-	Marathon                  *MarathonProvider
-	Consul                    *ConsulProvider
-	Etcd                      *EtcdProvider
-	Zookeeper                 *ZookepperProvider
-	Boltdb                    *BoltDbProvider
+	Marathon                  *provider.Marathon
+	Consul                    *provider.Consul
+	Etcd                      *provider.Etcd
+	Zookeeper                 *provider.Zookepper
+	Boltdb                    *provider.BoltDb
 }
 
 func NewGlobalConfiguration() *GlobalConfiguration {
@@ -35,71 +36,4 @@ func NewGlobalConfiguration() *GlobalConfiguration {
 	return globalConfiguration
 }
 
-// Backend configuration
-type Backend struct {
-	Servers        map[string]Server `json:"servers,omitempty"`
-	CircuitBreaker *CircuitBreaker   `json:"circuitBreaker,omitempty"`
-	LoadBalancer   *LoadBalancer     `json:"loadBalancer,omitempty"`
-}
-
-// LoadBalancer configuration
-type LoadBalancer struct {
-	Method string `json:"method,omitempty"`
-}
-
-// CircuitBreaker configuration
-type CircuitBreaker struct {
-	Expression string `json:"expression,omitempty"`
-}
-
-// Server configuration
-type Server struct {
-	URL    string `json:"url,omitempty"`
-	Weight int    `json:"weight,omitempty"`
-}
-
-// Route configuration
-type Route struct {
-	Rule  string `json:"rule,omitempty"`
-	Value string `json:"value,omitempty"`
-}
-
-// Frontend configuration
-type Frontend struct {
-	Backend string           `json:"backend,omitempty"`
-	Routes  map[string]Route `json:"routes,omitempty"`
-}
-
-// Configuration of a provider
-type Configuration struct {
-	Backends  map[string]*Backend  `json:"backends,omitempty"`
-	Frontends map[string]*Frontend `json:"frontends,omitempty"`
-}
-
-// Load Balancer Method
-type LoadBalancerMethod uint8
-
-const (
-	// wrr (default) = Weighted Round Robin
-	wrr LoadBalancerMethod = iota
-	// drr = Dynamic Round Robin
-	drr
-)
-
-var loadBalancerMethodNames = []string{
-	"wrr",
-	"drr",
-}
-
-func NewLoadBalancerMethod(loadBalancer *LoadBalancer) (LoadBalancerMethod, error) {
-	if loadBalancer != nil {
-		for i, name := range loadBalancerMethodNames {
-			if strings.EqualFold(name, loadBalancer.Method) {
-				return LoadBalancerMethod(i), nil
-			}
-		}
-	}
-	return wrr, ErrInvalidLoadBalancerMethod
-}
-
-var ErrInvalidLoadBalancerMethod = errors.New("Invalid method, using default")
+type configs map[string]*types.Configuration

consul.go

@@ -1,14 +0,0 @@
-package main
-
-type ConsulProvider struct {
-	Watch      bool
-	Endpoint   string
-	Prefix     string
-	Filename   string
-	KvProvider *KvProvider
-}
-
-func (provider *ConsulProvider) Provide(configurationChan chan<- configMessage) error {
-	provider.KvProvider = NewConsulProvider(provider)
-	return provider.KvProvider.provide(configurationChan)
-}

docker.go

@@ -1,197 +0,0 @@
-package main
-
-import (
-	"bytes"
-	"errors"
-	"strconv"
-	"strings"
-	"text/template"
-	"time"
-
-	"github.com/BurntSushi/toml"
-	"github.com/BurntSushi/ty/fun"
-	log "github.com/Sirupsen/logrus"
-	"github.com/cenkalti/backoff"
-	"github.com/fsouza/go-dockerclient"
-)
-
-type DockerProvider struct {
-	Watch    bool
-	Endpoint string
-	Filename string
-	Domain   string
-}
-
-func (provider *DockerProvider) Provide(configurationChan chan<- configMessage) error {
-	if dockerClient, err := docker.NewClient(provider.Endpoint); err != nil {
-		log.Errorf("Failed to create a client for docker, error: %s", err)
-		return err
-	} else {
-		err := dockerClient.Ping()
-		if err != nil {
-			log.Errorf("Docker connection error %+v", err)
-			return err
-		}
-		log.Debug("Docker connection established")
-		if provider.Watch {
-			dockerEvents := make(chan *docker.APIEvents)
-			dockerClient.AddEventListener(dockerEvents)
-			log.Debug("Docker listening")
-			go func() {
-				operation := func() error {
-					for {
-						event := <-dockerEvents
-						if event == nil {
-							return errors.New("Docker event nil")
-							//							log.Fatalf("Docker connection error")
-						}
-						if event.Status == "start" || event.Status == "die" {
-							log.Debugf("Docker event receveived %+v", event)
-							configuration := provider.loadDockerConfig(dockerClient)
-							if configuration != nil {
-								configurationChan <- configMessage{"docker", configuration}
-							}
-						}
-					}
-				}
-				notify := func(err error, time time.Duration) {
-					log.Errorf("Docker connection error %+v, retrying in %s", err, time)
-				}
-				err := backoff.RetryNotify(operation, backoff.NewExponentialBackOff(), notify)
-				if err != nil {
-					log.Fatalf("Cannot connect to docker server %+v", err)
-				}
-			}()
-		}
-
-		configuration := provider.loadDockerConfig(dockerClient)
-		configurationChan <- configMessage{"docker", configuration}
-	}
-	return nil
-}
-
-func (provider *DockerProvider) loadDockerConfig(dockerClient *docker.Client) *Configuration {
-	var DockerFuncMap = template.FuncMap{
-		"getBackend": func(container docker.Container) string {
-			for key, value := range container.Config.Labels {
-				if key == "traefik.backend" {
-					return value
-				}
-			}
-			return getHost(container)
-		},
-		"getPort": func(container docker.Container) string {
-			for key, value := range container.Config.Labels {
-				if key == "traefik.port" {
-					return value
-				}
-			}
-			for key := range container.NetworkSettings.Ports {
-				return key.Port()
-			}
-			return ""
-		},
-		"getWeight": func(container docker.Container) string {
-			for key, value := range container.Config.Labels {
-				if key == "traefik.weight" {
-					return value
-				}
-			}
-			return "0"
-		},
-		"getDomain": func(container docker.Container) string {
-			for key, value := range container.Config.Labels {
-				if key == "traefik.domain" {
-					return value
-				}
-			}
-			return provider.Domain
-		},
-		"replace": func(s1 string, s2 string, s3 string) string {
-			return strings.Replace(s3, s1, s2, -1)
-		},
-		"getHost": getHost,
-	}
-	configuration := new(Configuration)
-	containerList, _ := dockerClient.ListContainers(docker.ListContainersOptions{})
-	containersInspected := []docker.Container{}
-	hosts := map[string][]docker.Container{}
-
-	// get inspect containers
-	for _, container := range containerList {
-		containerInspected, _ := dockerClient.InspectContainer(container.ID)
-		containersInspected = append(containersInspected, *containerInspected)
-	}
-
-	// filter containers
-	filteredContainers := fun.Filter(func(container docker.Container) bool {
-		if len(container.NetworkSettings.Ports) == 0 {
-			log.Debugf("Filtering container without port %s", container.Name)
-			return false
-		}
-		_, err := strconv.Atoi(container.Config.Labels["traefik.port"])
-		if len(container.NetworkSettings.Ports) > 1 && err != nil {
-			log.Debugf("Filtering container with more than 1 port and no traefik.port label %s", container.Name)
-			return false
-		}
-		if container.Config.Labels["traefik.enable"] == "false" {
-			log.Debugf("Filtering disabled container %s", container.Name)
-			return false
-		}
-		return true
-	}, containersInspected).([]docker.Container)
-
-	for _, container := range filteredContainers {
-		hosts[getHost(container)] = append(hosts[getHost(container)], container)
-	}
-
-	templateObjects := struct {
-		Containers []docker.Container
-		Hosts      map[string][]docker.Container
-		Domain     string
-	}{
-		filteredContainers,
-		hosts,
-		provider.Domain,
-	}
-	tmpl := template.New(provider.Filename).Funcs(DockerFuncMap)
-	if len(provider.Filename) > 0 {
-		_, err := tmpl.ParseFiles(provider.Filename)
-		if err != nil {
-			log.Error("Error reading file", err)
-			return nil
-		}
-	} else {
-		buf, err := Asset("providerTemplates/docker.tmpl")
-		if err != nil {
-			log.Error("Error reading file", err)
-		}
-		_, err = tmpl.Parse(string(buf))
-		if err != nil {
-			log.Error("Error reading file", err)
-			return nil
-		}
-	}
-
-	var buffer bytes.Buffer
-	err := tmpl.Execute(&buffer, templateObjects)
-	if err != nil {
-		log.Error("Error with docker template", err)
-		return nil
-	}
-
-	if _, err := toml.Decode(buffer.String(), configuration); err != nil {
-		log.Error("Error creating docker configuration", err)
-		return nil
-	}
-	return configuration
-}
-
-func getHost(container docker.Container) string {
-	for key, value := range container.Config.Labels {
-		if key == "traefik.host" {
-			return value
-		}
-	}
-	return strings.Replace(strings.Replace(container.Name, "/", "", -1), ".", "-", -1)
-}

docs/index.md

@@ -25,7 +25,7 @@ It supports several backends ([Docker :whale:](https://www.docker.com/), [Mesos/
 
 Basically, Træfɪk is a http router, which sends traffic from frontends to http backends, following rules you have configured.
 
-### Frontends
+### <a id="frontends"></a> Frontends
 
 Frontends can be defined using the following rules:
 
@@ -38,6 +38,7 @@ Frontends can be defined using the following rules:
 
 
  A frontend is a set of rules that forwards the incoming http traffic to a backend.
+ You can optionally enable `passHostHeader` to forward client `Host` header to the backend.
 
 ### HTTP Backends
 
@@ -163,6 +164,7 @@ logLevel = "DEBUG"
     value = "test.localhost"
   [frontends.frontend2]
   backend = "backend1"
+  passHostHeader = true
     [frontends.frontend2.routes.test_2]
     rule = "Path"
     value = "/test"
@@ -210,6 +212,7 @@ filename = "rules.toml"
     value = "test.localhost"
   [frontends.frontend2]
   backend = "backend1"
+  passHostHeader = true
     [frontends.frontend2.routes.test_2]
     rule = "Path"
     value = "/test"
@@ -407,11 +410,15 @@ Labels can be used on containers to override default behaviour:
 
 - `traefik.backend=foo`: assign the container to `foo` backend
 - `traefik.port=80`: register this port. Useful when the container exposes multiples ports.
+- `traefik.protocol=https`: override the default `http` protocol
 - `traefik.weight=10`: assign this weight to the container
 - `traefik.enable=false`: disable this container in Træfɪk
-- `traefik.host=bar`: override the default routing from `{containerName}.{domain}` to `bar.{domain}`
+- `traefik.frontend.rule=Host`: override the default frontend rule (Default: Host). See [frontends](#frontends).
+- `traefik.frontend.value=test.example.com`: override the default frontend value (Default: `{containerName}.{domain}`) See [frontends](#frontends).
+- `traefik.frontend.passHostHeader=true`: forward client `Host` header to the backend.
 * `traefik.domain=traefik.localhost`: override the default domain
 
+
 ## <a id="marathon"></a> Marathon backend
 
 Træfɪk can be configured to use Marathon as a backend configuration:
@@ -466,10 +473,12 @@ Labels can be used on containers to override default behaviour:
 
 - `traefik.backend=foo`: assign the application to `foo` backend
 - `traefik.port=80`: register this port. Useful when the application exposes multiples ports.
+- `traefik.protocol=https`: override the default `http` protocol
 - `traefik.weight=10`: assign this weight to the application
 - `traefik.enable=false`: disable this application in Træfɪk
-- `traefik.host=bar`: override the default routing from `{appName}.{domain}` to `bar.{domain}`
-- `traefik.prefixes=pf1,pf2`: use `PathPrefix(es)` instead of hostname for routing, use `filename="providerTemplates/marathon-prefix.tmpl"` with this option
+- `traefik.frontend.rule=Host`: override the default frontend rule (Default: Host). See [frontends](#frontends).
+- `traefik.frontend.value=test.example.com`: override the default frontend value (Default: `{appName}.{domain}`) See [frontends](#frontends).
+- `traefik.frontend.passHostHeader=true`: forward client `Host` header to the backend.
 * `traefik.domain=traefik.localhost`: override the default domain
 
 ## <a id="consul"></a> Consul backend
@@ -547,6 +556,7 @@ The Keys-Values structure should look (using `prefix = "/traefik"`):
 | Key                                                | Value      |
 |----------------------------------------------------|------------|
 | `/traefik/frontends/frontend2/backend`             | `backend1` |
+| `/traefik/frontends/frontend2/passHostHeader`      | `true`     |
 | `/traefik/frontends/frontend2/routes/test_2/rule`  | `Path`     |
 | `/traefik/frontends/frontend2/routes/test_2/value` | `/test`    |
 
@@ -626,6 +636,7 @@ The Keys-Values structure should look (using `prefix = "/traefik"`):
 | Key                                                | Value      |
 |----------------------------------------------------|------------|
 | `/traefik/frontends/frontend2/backend`             | `backend1` |
+| `/traefik/frontends/frontend2/passHostHeader`      | `true`     |
 | `/traefik/frontends/frontend2/routes/test_2/rule`  | `Path`     |
 | `/traefik/frontends/frontend2/routes/test_2/value` | `/test`    |
 
@@ -704,6 +715,7 @@ The Keys-Values structure should look (using `prefix = "/traefik"`):
 | Key                                                | Value      |
 |----------------------------------------------------|------------|
 | `/traefik/frontends/frontend2/backend`             | `backend1` |
+| `/traefik/frontends/frontend2/passHostHeader`      | `true`     |
 | `/traefik/frontends/frontend2/routes/test_2/rule`  | `Path`     |
 | `/traefik/frontends/frontend2/routes/test_2/value` | `/test`    |
 

etcd.go

@@ -1,14 +0,0 @@
-package main
-
-type EtcdProvider struct {
-	Watch      bool
-	Endpoint   string
-	Prefix     string
-	Filename   string
-	KvProvider *KvProvider
-}
-
-func (provider *EtcdProvider) Provide(configurationChan chan<- configMessage) error {
-	provider.KvProvider = NewEtcdProvider(provider)
-	return provider.KvProvider.provide(configurationChan)
-}

file_test.go

@@ -1 +0,0 @@
-package main

generate.go

@@ -2,8 +2,10 @@
 Copyright
 */
 
-//go:generate go get github.com/jteeuwen/go-bindata/...
-//go:generate rm -vf gen.go
-//go:generate go-bindata -o gen.go static/... templates/... providerTemplates/...
+//go:generate rm -vf autogen/gen.go
+//go:generate go-bindata -pkg autogen -o autogen/gen.go ./static/... ./templates/...
+
+//go:generate mkdir -p vendor/github.com/docker/docker/autogen/dockerversion
+//go:generate cp script/dockerversion vendor/github.com/docker/docker/autogen/dockerversion/dockerversion.go
 
 package main

integration/basic_test.go

@@ -10,6 +10,9 @@ import (
 	check "gopkg.in/check.v1"
 )
 
+// SimpleSuite
+type SimpleSuite struct{ BaseSuite }
+
 func (s *SimpleSuite) TestNoOrInexistentConfigShouldFail(c *check.C) {
 	cmd := exec.Command(traefikBinary)
 	output, err := cmd.CombinedOutput()
@@ -37,6 +40,7 @@ func (s *SimpleSuite) TestSimpleDefaultConfig(c *check.C) {
 	cmd := exec.Command(traefikBinary, "fixtures/simple_default.toml")
 	err := cmd.Start()
 	c.Assert(err, checker.IsNil)
+	defer cmd.Process.Kill()
 
 	time.Sleep(500 * time.Millisecond)
 	// TODO validate : run on 80
@@ -45,7 +49,18 @@ func (s *SimpleSuite) TestSimpleDefaultConfig(c *check.C) {
 	// Expected a 404 as we did not comfigure anything
 	c.Assert(err, checker.IsNil)
 	c.Assert(resp.StatusCode, checker.Equals, 404)
-
-	killErr := cmd.Process.Kill()
-	c.Assert(killErr, checker.IsNil)
+}
+
+func (s *SimpleSuite) TestWithWebConfig(c *check.C) {
+	cmd := exec.Command(traefikBinary, "fixtures/simple_web.toml")
+	err := cmd.Start()
+	c.Assert(err, checker.IsNil)
+	defer cmd.Process.Kill()
+
+	time.Sleep(500 * time.Millisecond)
+
+	resp, err := http.Get("http://127.0.0.1:8080/api")
+	// Expected a 200
+	c.Assert(err, checker.IsNil)
+	c.Assert(resp.StatusCode, checker.Equals, 200)
 }

integration/consul_test.go

@@ -13,6 +13,7 @@ func (s *ConsulSuite) TestSimpleConfiguration(c *check.C) {
 	cmd := exec.Command(traefikBinary, "fixtures/consul/simple.toml")
 	err := cmd.Start()
 	c.Assert(err, checker.IsNil)
+	defer cmd.Process.Kill()
 
 	time.Sleep(500 * time.Millisecond)
 	// TODO validate : run on 80
@@ -21,7 +22,4 @@ func (s *ConsulSuite) TestSimpleConfiguration(c *check.C) {
 	// Expected a 404 as we did not comfigure anything
 	c.Assert(err, checker.IsNil)
 	c.Assert(resp.StatusCode, checker.Equals, 404)
-
-	killErr := cmd.Process.Kill()
-	c.Assert(killErr, checker.IsNil)
 }

integration/file_test.go

@@ -13,6 +13,7 @@ func (s *FileSuite) TestSimpleConfiguration(c *check.C) {
 	cmd := exec.Command(traefikBinary, "fixtures/file/simple.toml")
 	err := cmd.Start()
 	c.Assert(err, checker.IsNil)
+	defer cmd.Process.Kill()
 
 	time.Sleep(500 * time.Millisecond)
 	resp, err := http.Get("http://127.0.0.1/")
@@ -20,9 +21,6 @@ func (s *FileSuite) TestSimpleConfiguration(c *check.C) {
 	// Expected a 404 as we did not configure anything
 	c.Assert(err, checker.IsNil)
 	c.Assert(resp.StatusCode, checker.Equals, 404)
-
-	killErr := cmd.Process.Kill()
-	c.Assert(killErr, checker.IsNil)
 }
 
 // #56 regression test, make sure it does not fail
@@ -30,6 +28,7 @@ func (s *FileSuite) TestSimpleConfigurationNoPanic(c *check.C) {
 	cmd := exec.Command(traefikBinary, "fixtures/file/56-simple-panic.toml")
 	err := cmd.Start()
 	c.Assert(err, checker.IsNil)
+	defer cmd.Process.Kill()
 
 	time.Sleep(500 * time.Millisecond)
 	resp, err := http.Get("http://127.0.0.1/")
@@ -37,7 +36,4 @@ func (s *FileSuite) TestSimpleConfigurationNoPanic(c *check.C) {
 	// Expected a 404 as we did not configure anything
 	c.Assert(err, checker.IsNil)
 	c.Assert(resp.StatusCode, checker.Equals, 404)
-
-	killErr := cmd.Process.Kill()
-	c.Assert(killErr, checker.IsNil)
 }

integration/fixtures/simple_web.toml

@@ -0,0 +1,5 @@
+logLevel = "DEBUG"
+
+[web]
+
+address = ":8080"

integration/integration_test.go

@@ -32,9 +32,6 @@ func init() {
 
 var traefikBinary = "../dist/traefik"
 
-// SimpleSuite
-type SimpleSuite struct{ BaseSuite }
-
 // File test suites
 type FileSuite struct{ BaseSuite }
 

integration/marathon_test.go

@@ -13,6 +13,7 @@ func (s *MarathonSuite) TestSimpleConfiguration(c *check.C) {
 	cmd := exec.Command(traefikBinary, "fixtures/marathon/simple.toml")
 	err := cmd.Start()
 	c.Assert(err, checker.IsNil)
+	defer cmd.Process.Kill()
 
 	time.Sleep(500 * time.Millisecond)
 	// TODO validate : run on 80
@@ -21,7 +22,4 @@ func (s *MarathonSuite) TestSimpleConfiguration(c *check.C) {
 	// Expected a 404 as we did not configure anything
 	c.Assert(err, checker.IsNil)
 	c.Assert(resp.StatusCode, checker.Equals, 404)
-
-	killErr := cmd.Process.Kill()
-	c.Assert(killErr, checker.IsNil)
 }

marathon.go

@@ -1,204 +0,0 @@
-package main
-
-import (
-	"bytes"
-	"strconv"
-	"strings"
-	"text/template"
-
-	"github.com/BurntSushi/toml"
-	"github.com/BurntSushi/ty/fun"
-	log "github.com/Sirupsen/logrus"
-	"github.com/gambol99/go-marathon"
-)
-
-type MarathonProvider struct {
-	Watch            bool
-	Endpoint         string
-	marathonClient   marathon.Marathon
-	Domain           string
-	Filename         string
-	NetworkInterface string
-}
-
-func (provider *MarathonProvider) Provide(configurationChan chan<- configMessage) error {
-	config := marathon.NewDefaultConfig()
-	config.URL = provider.Endpoint
-	config.EventsInterface = provider.NetworkInterface
-	client, err := marathon.NewClient(config)
-	if err != nil {
-		log.Errorf("Failed to create a client for marathon, error: %s", err)
-		return err
-	}
-	provider.marathonClient = client
-	update := make(marathon.EventsChannel, 5)
-	if provider.Watch {
-		if err := client.AddEventsListener(update, marathon.EVENTS_APPLICATIONS); err != nil {
-			log.Errorf("Failed to register for subscriptions, %s", err)
-		} else {
-			go func() {
-				for {
-					event := <-update
-					log.Debug("Marathon event receveived", event)
-					configuration := provider.loadMarathonConfig()
-					if configuration != nil {
-						configurationChan <- configMessage{"marathon", configuration}
-					}
-				}
-			}()
-		}
-	}
-
-	configuration := provider.loadMarathonConfig()
-	configurationChan <- configMessage{"marathon", configuration}
-	return nil
-}
-
-func (provider *MarathonProvider) loadMarathonConfig() *Configuration {
-	var MarathonFuncMap = template.FuncMap{
-		"getPort": func(task marathon.Task) string {
-			for _, port := range task.Ports {
-				return strconv.Itoa(port)
-			}
-			return ""
-		},
-		"getHost": func(application marathon.Application) string {
-			for key, value := range application.Labels {
-				if key == "traefik.host" {
-					return value
-				}
-			}
-			return strings.Replace(application.ID, "/", "", 1)
-		},
-		"getWeight": func(application marathon.Application) string {
-			for key, value := range application.Labels {
-				if key == "traefik.weight" {
-					return value
-				}
-			}
-			return "0"
-		},
-		"getDomain": func(application marathon.Application) string {
-			for key, value := range application.Labels {
-				if key == "traefik.domain" {
-					return value
-				}
-			}
-			return provider.Domain
-		},
-		"getPrefixes": func(application marathon.Application) ([]string, error) {
-			for key, value := range application.Labels {
-				if key == "traefik.prefixes" {
-					return strings.Split(value, ","), nil
-				}
-			}
-			return []string{}, nil
-		},
-		"replace": func(s1 string, s2 string, s3 string) string {
-			return strings.Replace(s3, s1, s2, -1)
-		},
-	}
-	configuration := new(Configuration)
-
-	applications, err := provider.marathonClient.Applications(nil)
-	if err != nil {
-		log.Errorf("Failed to create a client for marathon, error: %s", err)
-		return nil
-	}
-
-	tasks, err := provider.marathonClient.AllTasks()
-	if err != nil {
-		log.Errorf("Failed to create a client for marathon, error: %s", err)
-		return nil
-	}
-
-	//filter tasks
-	filteredTasks := fun.Filter(func(task marathon.Task) bool {
-		if len(task.Ports) == 0 {
-			log.Debug("Filtering marathon task without port", task.AppID)
-			return false
-		}
-		application := getApplication(task, applications.Apps)
-		if application == nil {
-			log.Errorf("Unable to get marathon application from task %s", task.AppID)
-			return false
-		}
-		_, err := strconv.Atoi(application.Labels["traefik.port"])
-		if len(application.Ports) > 1 && err != nil {
-			log.Debug("Filtering marathon task with more than 1 port and no traefik.port label", task.AppID)
-			return false
-		}
-		if application.Labels["traefik.enable"] == "false" {
-			log.Debug("Filtering disabled marathon task", task.AppID)
-			return false
-		}
-		return true
-	}, tasks.Tasks).([]marathon.Task)
-
-	//filter apps
-	filteredApps := fun.Filter(func(app marathon.Application) bool {
-		//get ports from app tasks
-		if !fun.Exists(func(task marathon.Task) bool {
-			if task.AppID == app.ID {
-				return true
-			}
-			return false
-		}, filteredTasks) {
-			return false
-		}
-		return true
-	}, applications.Apps).([]marathon.Application)
-
-	templateObjects := struct {
-		Applications []marathon.Application
-		Tasks        []marathon.Task
-		Domain       string
-	}{
-		filteredApps,
-		filteredTasks,
-		provider.Domain,
-	}
-
-	tmpl := template.New(provider.Filename).Funcs(MarathonFuncMap)
-	if len(provider.Filename) > 0 {
-		_, err := tmpl.ParseFiles(provider.Filename)
-		if err != nil {
-			log.Error("Error reading file", err)
-			return nil
-		}
-	} else {
-		buf, err := Asset("providerTemplates/marathon.tmpl")
-		if err != nil {
-			log.Error("Error reading file", err)
-		}
-		_, err = tmpl.Parse(string(buf))
-		if err != nil {
-			log.Error("Error reading file", err)
-			return nil
-		}
-	}
-
-	var buffer bytes.Buffer
-
-	err = tmpl.Execute(&buffer, templateObjects)
-	if err != nil {
-		log.Error("Error with marathon template:", err)
-		return nil
-	}
-
-	if _, err := toml.Decode(buffer.String(), configuration); err != nil {
-		log.Error("Error creating marathon configuration:", err)
-		return nil
-	}
-
-	return configuration
-}
-
-func getApplication(task marathon.Task, apps []marathon.Application) *marathon.Application {
-	for _, application := range apps {
-		if application.ID == task.AppID {
-			return &application
-		}
-	}
-	return nil
-}

middlewares/cbreaker.go

@@ -1,6 +1,3 @@
-/*
-Copyright
-*/
 package middlewares
 
 import (
@@ -9,10 +6,12 @@ import (
 	"github.com/mailgun/oxy/cbreaker"
 )
 
+// CircuitBreaker holds the oxy circuit breaker.
 type CircuitBreaker struct {
 	circuitBreaker *cbreaker.CircuitBreaker
 }
 
+// NewCircuitBreaker returns a new CircuitBreaker.
 func NewCircuitBreaker(next http.Handler, expression string, options ...cbreaker.CircuitBreakerOption) *CircuitBreaker {
 	circuitBreaker, _ := cbreaker.New(next, expression, options...)
 	return &CircuitBreaker{circuitBreaker}

middlewares/logger.go

@@ -1,6 +1,3 @@
-/*
-Copyright
-*/
 package middlewares
 
 import (
@@ -16,7 +13,7 @@ type Logger struct {
 	file *os.File
 }
 
-// NewLogger returns a new Logger instance
+// NewLogger returns a new Logger instance.
 func NewLogger(file string) *Logger {
 	if len(file) > 0 {
 		fi, err := os.OpenFile(file, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
@@ -36,6 +33,7 @@ func (l *Logger) ServeHTTP(rw http.ResponseWriter, r *http.Request, next http.Ha
 	}
 }
 
+// Close closes the logger (i.e. the file).
 func (l *Logger) Close() {
 	l.file.Close()
 }

middlewares/routes.go

@@ -1,6 +1,3 @@
-/*
-Copyright
-*/
 package middlewares
 
 import (
@@ -11,10 +8,12 @@ import (
 	"github.com/gorilla/mux"
 )
 
+// Routes holds the gorilla mux routes (for the API & co).
 type Routes struct {
 	router *mux.Router
 }
 
+// NewRoutes return a Routes based on the given router.
 func NewRoutes(router *mux.Router) *Routes {
 	return &Routes{router}
 }

middlewares/websocket.go

@@ -1,20 +1,20 @@
-/*
-Copyright
-*/
 package middlewares
 
 import (
-	log "github.com/Sirupsen/logrus"
-	"github.com/mailgun/oxy/roundrobin"
 	"net/http"
 	"strings"
 	"time"
+
+	log "github.com/Sirupsen/logrus"
+	"github.com/mailgun/oxy/roundrobin"
 )
 
+// WebsocketUpgrader holds Websocket configuration.
 type WebsocketUpgrader struct {
 	rr *roundrobin.RoundRobin
 }
 
+// NewWebsocketUpgrader returns a new WebsocketUpgrader.
 func NewWebsocketUpgrader(rr *roundrobin.RoundRobin) *WebsocketUpgrader {
 	wu := WebsocketUpgrader{
 		rr: rr,

middlewares/websocketproxy.go

@@ -73,15 +73,16 @@ func NewProxy(target *url.URL) *WebsocketProxy {
 // ServeHTTP implements the http.Handler that proxies WebSocket connections.
 func (w *WebsocketProxy) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
 	if w.Backend == nil {
-		log.Println("websocketproxy: backend function is not defined")
-		http.Error(rw, "internal server error (code: 1)", http.StatusInternalServerError)
+		log.Errorf("Websocketproxy: backend function is not defined")
+		http.Error(rw, "Backend not found", http.StatusInternalServerError)
+		http.NotFound(rw, req)
 		return
 	}
 
 	backendURL := w.Backend(req)
 	if backendURL == nil {
-		log.Println("websocketproxy: backend URL is nil")
-		http.Error(rw, "internal server error (code: 2)", http.StatusInternalServerError)
+		log.Errorf("Websocketproxy: backend URL is nil")
+		http.Error(rw, "Backend URL is nil", http.StatusInternalServerError)
 		return
 	}
 
@@ -100,6 +101,9 @@ func (w *WebsocketProxy) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
 	for _, cookie := range req.Header[http.CanonicalHeaderKey("Cookie")] {
 		requestHeader.Add("Cookie", cookie)
 	}
+	for _, auth := range req.Header[http.CanonicalHeaderKey("Authorization")] {
+		requestHeader.Add("Authorization", auth)
+	}
 
 	// Pass X-Forwarded-For headers too, code below is a part of
 	// httputil.ReverseProxy. See http://en.wikipedia.org/wiki/X-Forwarded-For
@@ -123,15 +127,19 @@ func (w *WebsocketProxy) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
 		requestHeader.Set("X-Forwarded-Proto", "https")
 	}
 
+	//frontend Origin != backend Origin
+	requestHeader.Del("Origin")
+
 	// Connect to the backend URL, also pass the headers we get from the requst
 	// together with the Forwarded headers we prepared above.
 	// TODO: support multiplexing on the same backend connection instead of
 	// opening a new TCP connection time for each request. This should be
 	// optional:
 	// http://tools.ietf.org/html/draft-ietf-hybi-websocket-multiplexing-01
-	connBackend, resp, err := dialer.Dial(backendURL.String(), nil)
+	connBackend, resp, err := dialer.Dial(backendURL.String(), requestHeader)
 	if err != nil {
-		log.Printf("websocketproxy: couldn't dial to remote backend url %s, %s, %+v", backendURL.String(), err, resp)
+		log.Errorf("Websocketproxy: couldn't dial to remote backend url %s, %s, %+v", backendURL.String(), err, resp)
+		http.Error(rw, "Remote backend unreachable", http.StatusBadGateway)
 		return
 	}
 	defer connBackend.Close()
@@ -152,7 +160,8 @@ func (w *WebsocketProxy) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
 	// Also pass the header that we gathered from the Dial handshake.
 	connPub, err := upgrader.Upgrade(rw, req, upgradeHeader)
 	if err != nil {
-		log.Printf("websocketproxy: couldn't upgrade %s\n", err)
+		log.Errorf("Websocketproxy: couldn't upgrade %s", err)
+		http.NotFound(rw, req)
 		return
 	}
 	defer connPub.Close()

provider.go

@@ -1,5 +0,0 @@
-package main
-
-type Provider interface {
-	Provide(configurationChan chan<- configMessage) error
-}

provider/boltdb.go

@@ -0,0 +1,19 @@
+package provider
+
+import "github.com/emilevauge/traefik/types"
+
+// BoltDb holds configurations of the BoltDb provider.
+type BoltDb struct {
+	Watch      bool
+	Endpoint   string
+	Prefix     string
+	Filename   string
+	KvProvider *Kv
+}
+
+// Provide allows the provider to provide configurations to traefik
+// using the given configuration channel.
+func (provider *BoltDb) Provide(configurationChan chan<- types.ConfigMessage) error {
+	provider.KvProvider = NewBoltDbProvider(provider)
+	return provider.KvProvider.provide(configurationChan)
+}

provider/consul.go

@@ -0,0 +1,19 @@
+package provider
+
+import "github.com/emilevauge/traefik/types"
+
+// Consul holds configurations of the Consul provider.
+type Consul struct {
+	Watch      bool
+	Endpoint   string
+	Prefix     string
+	Filename   string
+	KvProvider *Kv
+}
+
+// Provide allows the provider to provide configurations to traefik
+// using the given configuration channel.
+func (provider *Consul) Provide(configurationChan chan<- types.ConfigMessage) error {
+	provider.KvProvider = NewConsulProvider(provider)
+	return provider.KvProvider.provide(configurationChan)
+}

provider/docker.go

@@ -0,0 +1,255 @@
+package provider
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"strconv"
+	"strings"
+	"text/template"
+	"time"
+
+	"github.com/BurntSushi/toml"
+	"github.com/BurntSushi/ty/fun"
+	log "github.com/Sirupsen/logrus"
+	"github.com/cenkalti/backoff"
+	"github.com/emilevauge/traefik/autogen"
+	"github.com/emilevauge/traefik/types"
+	"github.com/fsouza/go-dockerclient"
+)
+
+// Docker holds configurations of the Docker provider.
+type Docker struct {
+	Watch    bool
+	Endpoint string
+	Filename string
+	Domain   string
+}
+
+// Provide allows the provider to provide configurations to traefik
+// using the given configuration channel.
+func (provider *Docker) Provide(configurationChan chan<- types.ConfigMessage) error {
+
+	dockerClient, err := docker.NewClient(provider.Endpoint)
+	if err != nil {
+		log.Errorf("Failed to create a client for docker, error: %s", err)
+		return err
+	}
+	err = dockerClient.Ping()
+	if err != nil {
+		log.Errorf("Docker connection error %+v", err)
+		return err
+	}
+	log.Debug("Docker connection established")
+	if provider.Watch {
+		dockerEvents := make(chan *docker.APIEvents)
+		dockerClient.AddEventListener(dockerEvents)
+		log.Debug("Docker listening")
+		go func() {
+			operation := func() error {
+				for {
+					event := <-dockerEvents
+					if event == nil {
+						return errors.New("Docker event nil")
+						//							log.Fatalf("Docker connection error")
+					}
+					if event.Status == "start" || event.Status == "die" {
+						log.Debugf("Docker event receveived %+v", event)
+						configuration := provider.loadDockerConfig(dockerClient)
+						if configuration != nil {
+							configurationChan <- types.ConfigMessage{"docker", configuration}
+						}
+					}
+				}
+			}
+			notify := func(err error, time time.Duration) {
+				log.Errorf("Docker connection error %+v, retrying in %s", err, time)
+			}
+			err := backoff.RetryNotify(operation, backoff.NewExponentialBackOff(), notify)
+			if err != nil {
+				log.Fatalf("Cannot connect to docker server %+v", err)
+			}
+		}()
+	}
+
+	configuration := provider.loadDockerConfig(dockerClient)
+	configurationChan <- types.ConfigMessage{"docker", configuration}
+	return nil
+}
+
+func (provider *Docker) loadDockerConfig(dockerClient *docker.Client) *types.Configuration {
+	var DockerFuncMap = template.FuncMap{
+		"getBackend": func(container docker.Container) string {
+			if label, err := provider.getLabel(container, "traefik.backend"); err == nil {
+				return label
+			}
+			return provider.getEscapedName(container.Name)
+		},
+		"getPort": func(container docker.Container) string {
+			if label, err := provider.getLabel(container, "traefik.port"); err == nil {
+				return label
+			}
+			for key := range container.NetworkSettings.Ports {
+				return key.Port()
+			}
+			return ""
+		},
+		"getWeight": func(container docker.Container) string {
+			if label, err := provider.getLabel(container, "traefik.weight"); err == nil {
+				return label
+			}
+			return "0"
+		},
+		"getDomain": func(container docker.Container) string {
+			if label, err := provider.getLabel(container, "traefik.domain"); err == nil {
+				return label
+			}
+			return provider.Domain
+		},
+		"getProtocol": func(container docker.Container) string {
+			if label, err := provider.getLabel(container, "traefik.protocol"); err == nil {
+				return label
+			}
+			return "http"
+		},
+		"getPassHostHeader": func(container docker.Container) string {
+			if passHostHeader, err := provider.getLabel(container, "traefik.frontend.passHostHeader"); err == nil {
+				return passHostHeader
+			}
+			return "false"
+		},
+		"getFrontendValue": provider.GetFrontendValue,
+		"getFrontendRule":  provider.GetFrontendRule,
+		"replace": func(s1 string, s2 string, s3 string) string {
+			return strings.Replace(s3, s1, s2, -1)
+		},
+	}
+	configuration := new(types.Configuration)
+	containerList, _ := dockerClient.ListContainers(docker.ListContainersOptions{})
+	containersInspected := []docker.Container{}
+	frontends := map[string][]docker.Container{}
+
+	// get inspect containers
+	for _, container := range containerList {
+		containerInspected, _ := dockerClient.InspectContainer(container.ID)
+		containersInspected = append(containersInspected, *containerInspected)
+	}
+
+	// filter containers
+	filteredContainers := fun.Filter(func(container docker.Container) bool {
+		if len(container.NetworkSettings.Ports) == 0 {
+			log.Debugf("Filtering container without port %s", container.Name)
+			return false
+		}
+		_, err := strconv.Atoi(container.Config.Labels["traefik.port"])
+		if len(container.NetworkSettings.Ports) > 1 && err != nil {
+			log.Debugf("Filtering container with more than 1 port and no traefik.port label %s", container.Name)
+			return false
+		}
+		if container.Config.Labels["traefik.enable"] == "false" {
+			log.Debugf("Filtering disabled container %s", container.Name)
+			return false
+		}
+
+		if _, err := provider.getLabels(container, []string{"traefik.frontend.rule", "traefik.frontend.value"}); err != nil {
+			log.Debugf("Filtering bad labeled container %s", container.Name)
+			return false
+		}
+
+		return true
+	}, containersInspected).([]docker.Container)
+
+	for _, container := range filteredContainers {
+		frontends[provider.getFrontendName(container)] = append(frontends[provider.getFrontendName(container)], container)
+	}
+
+	templateObjects := struct {
+		Containers []docker.Container
+		Frontends  map[string][]docker.Container
+		Domain     string
+	}{
+		filteredContainers,
+		frontends,
+		provider.Domain,
+	}
+	tmpl := template.New(provider.Filename).Funcs(DockerFuncMap)
+	if len(provider.Filename) > 0 {
+		_, err := tmpl.ParseFiles(provider.Filename)
+		if err != nil {
+			log.Error("Error reading file", err)
+			return nil
+		}
+	} else {
+		buf, err := autogen.Asset("templates/docker.tmpl")
+		if err != nil {
+			log.Error("Error reading file", err)
+		}
+		_, err = tmpl.Parse(string(buf))
+		if err != nil {
+			log.Error("Error reading file", err)
+			return nil
+		}
+	}
+
+	var buffer bytes.Buffer
+	err := tmpl.Execute(&buffer, templateObjects)
+	if err != nil {
+		log.Error("Error with docker template", err)
+		return nil
+	}
+
+	if _, err := toml.Decode(buffer.String(), configuration); err != nil {
+		log.Error("Error creating docker configuration ", err)
+		return nil
+	}
+	return configuration
+}
+
+func (provider *Docker) getFrontendName(container docker.Container) string {
+	// Replace '.' with '-' in quoted keys because of this issue https://github.com/BurntSushi/toml/issues/78
+	frontendName := fmt.Sprintf("%s-%s", provider.GetFrontendRule(container), provider.GetFrontendValue(container))
+	return strings.Replace(frontendName, ".", "-", -1)
+}
+
+func (provider *Docker) getEscapedName(name string) string {
+	return strings.Replace(name, "/", "", -1)
+}
+
+func (provider *Docker) getLabel(container docker.Container, label string) (string, error) {
+	for key, value := range container.Config.Labels {
+		if key == label {
+			return value, nil
+		}
+	}
+	return "", errors.New("Label not found:" + label)
+}
+
+func (provider *Docker) getLabels(container docker.Container, labels []string) (map[string]string, error) {
+	foundLabels := map[string]string{}
+	for _, label := range labels {
+		foundLabel, err := provider.getLabel(container, label)
+		if err != nil {
+			return nil, errors.New("Label not found: " + label)
+		}
+		foundLabels[label] = foundLabel
+	}
+	return foundLabels, nil
+}
+
+// GetFrontendValue returns the frontend value for the specified container, using
+// it's label. It returns a default one if the label is not present.
+func (provider *Docker) GetFrontendValue(container docker.Container) string {
+	if label, err := provider.getLabel(container, "traefik.frontend.value"); err == nil {
+		return label
+	}
+	return provider.getEscapedName(container.Name) + "." + provider.Domain
+}
+
+// GetFrontendRule returns the frontend rule for the specified container, using
+// it's label. It returns a default one (Host) if the label is not present.
+func (provider *Docker) GetFrontendRule(container docker.Container) string {
+	if label, err := provider.getLabel(container, "traefik.frontend.rule"); err == nil {
+		return label
+	}
+	return "Host"
+}

provider/etcd.go

@@ -0,0 +1,19 @@
+package provider
+
+import "github.com/emilevauge/traefik/types"
+
+// Etcd holds configurations of the Etcd provider.
+type Etcd struct {
+	Watch      bool
+	Endpoint   string
+	Prefix     string
+	Filename   string
+	KvProvider *Kv
+}
+
+// Provide allows the provider to provide configurations to traefik
+// using the given configuration channel.
+func (provider *Etcd) Provide(configurationChan chan<- types.ConfigMessage) error {
+	provider.KvProvider = NewEtcdProvider(provider)
+	return provider.KvProvider.provide(configurationChan)
+}

provider/file.go

@@ -1,4 +1,4 @@
-package main
+package provider
 
 import (
 	"os"
@@ -7,15 +7,19 @@ import (
 
 	"github.com/BurntSushi/toml"
 	log "github.com/Sirupsen/logrus"
+	"github.com/emilevauge/traefik/types"
 	"gopkg.in/fsnotify.v1"
 )
 
-type FileProvider struct {
+// File holds configurations of the File provider.
+type File struct {
 	Watch    bool
 	Filename string
 }
 
-func (provider *FileProvider) Provide(configurationChan chan<- configMessage) error {
+// Provide allows the provider to provide configurations to traefik
+// using the given configuration channel.
+func (provider *File) Provide(configurationChan chan<- types.ConfigMessage) error {
 	watcher, err := fsnotify.NewWatcher()
 	if err != nil {
 		log.Error("Error creating file watcher", err)
@@ -38,9 +42,9 @@ func (provider *FileProvider) Provide(configurationChan chan<- configMessage) er
 				case event := <-watcher.Events:
 					if strings.Contains(event.Name, file.Name()) {
 						log.Debug("File event:", event)
-						configuration := provider.LoadFileConfig(file.Name())
+						configuration := provider.loadFileConfig(file.Name())
 						if configuration != nil {
-							configurationChan <- configMessage{"file", configuration}
+							configurationChan <- types.ConfigMessage{"file", configuration}
 						}
 					}
 				case error := <-watcher.Errors:
@@ -55,13 +59,13 @@ func (provider *FileProvider) Provide(configurationChan chan<- configMessage) er
 		}
 	}
 
-	configuration := provider.LoadFileConfig(file.Name())
-	configurationChan <- configMessage{"file", configuration}
+	configuration := provider.loadFileConfig(file.Name())
+	configurationChan <- types.ConfigMessage{"file", configuration}
 	return nil
 }
 
-func (provider *FileProvider) LoadFileConfig(filename string) *Configuration {
-	configuration := new(Configuration)
+func (provider *File) loadFileConfig(filename string) *types.Configuration {
+	configuration := new(types.Configuration)
 	if _, err := toml.DecodeFile(filename, configuration); err != nil {
 		log.Error("Error reading file:", err)
 		return nil

provider/file_test.go

@@ -0,0 +1 @@
+package provider

provider/kv.go

@@ -1,27 +1,28 @@
-/*
-Copyright
-*/
-package main
+// Package provider holds the different provider implementation.
+package provider
 
 import (
 	"bytes"
+	"errors"
+	"strings"
+	"text/template"
+	"time"
+
+	"github.com/BurntSushi/toml"
+	"github.com/BurntSushi/ty/fun"
+	log "github.com/Sirupsen/logrus"
 	"github.com/docker/libkv"
+	"github.com/docker/libkv/store"
 	"github.com/docker/libkv/store/boltdb"
 	"github.com/docker/libkv/store/consul"
 	"github.com/docker/libkv/store/etcd"
 	"github.com/docker/libkv/store/zookeeper"
-	"strings"
-	"text/template"
-
-	"errors"
-	"github.com/BurntSushi/toml"
-	"github.com/BurntSushi/ty/fun"
-	log "github.com/Sirupsen/logrus"
-	"github.com/docker/libkv/store"
-	"time"
+	"github.com/emilevauge/traefik/autogen"
+	"github.com/emilevauge/traefik/types"
 )
 
-type KvProvider struct {
+// Kv holds common configurations of key-value providers.
+type Kv struct {
 	Watch     bool
 	Endpoint  string
 	Prefix    string
@@ -30,8 +31,9 @@ type KvProvider struct {
 	kvclient  store.Store
 }
 
-func NewConsulProvider(provider *ConsulProvider) *KvProvider {
-	kvProvider := new(KvProvider)
+// NewConsulProvider returns a Consul provider.
+func NewConsulProvider(provider *Consul) *Kv {
+	kvProvider := new(Kv)
 	kvProvider.Watch = provider.Watch
 	kvProvider.Endpoint = provider.Endpoint
 	kvProvider.Prefix = provider.Prefix
@@ -40,8 +42,9 @@ func NewConsulProvider(provider *ConsulProvider) *KvProvider {
 	return kvProvider
 }
 
-func NewEtcdProvider(provider *EtcdProvider) *KvProvider {
-	kvProvider := new(KvProvider)
+// NewEtcdProvider returns a Etcd provider.
+func NewEtcdProvider(provider *Etcd) *Kv {
+	kvProvider := new(Kv)
 	kvProvider.Watch = provider.Watch
 	kvProvider.Endpoint = provider.Endpoint
 	kvProvider.Prefix = provider.Prefix
@@ -50,8 +53,9 @@ func NewEtcdProvider(provider *EtcdProvider) *KvProvider {
 	return kvProvider
 }
 
-func NewZkProvider(provider *ZookepperProvider) *KvProvider {
-	kvProvider := new(KvProvider)
+// NewZkProvider returns a Zookepper provider.
+func NewZkProvider(provider *Zookepper) *Kv {
+	kvProvider := new(Kv)
 	kvProvider.Watch = provider.Watch
 	kvProvider.Endpoint = provider.Endpoint
 	kvProvider.Prefix = provider.Prefix
@@ -60,8 +64,9 @@ func NewZkProvider(provider *ZookepperProvider) *KvProvider {
 	return kvProvider
 }
 
-func NewBoltDbProvider(provider *BoltDbProvider) *KvProvider {
-	kvProvider := new(KvProvider)
+// NewBoltDbProvider returns a BoldDb provider.
+func NewBoltDbProvider(provider *BoltDb) *Kv {
+	kvProvider := new(Kv)
 	kvProvider.Watch = provider.Watch
 	kvProvider.Endpoint = provider.Endpoint
 	kvProvider.Prefix = provider.Prefix
@@ -70,7 +75,7 @@ func NewBoltDbProvider(provider *BoltDbProvider) *KvProvider {
 	return kvProvider
 }
 
-func (provider *KvProvider) provide(configurationChan chan<- configMessage) error {
+func (provider *Kv) provide(configurationChan chan<- types.ConfigMessage) error {
 	switch provider.StoreType {
 	case store.CONSUL:
 		consul.Register()
@@ -88,6 +93,7 @@ func (provider *KvProvider) provide(configurationChan chan<- configMessage) erro
 		[]string{provider.Endpoint},
 		&store.Config{
 			ConnectionTimeout: 30 * time.Second,
+			Bucket:            "traefik",
 		},
 	)
 	if err != nil {
@@ -108,19 +114,19 @@ func (provider *KvProvider) provide(configurationChan chan<- configMessage) erro
 				<-chanKeys
 				configuration := provider.loadConfig()
 				if configuration != nil {
-					configurationChan <- configMessage{string(provider.StoreType), configuration}
+					configurationChan <- types.ConfigMessage{string(provider.StoreType), configuration}
 				}
 				defer close(stopCh)
 			}
 		}()
 	}
 	configuration := provider.loadConfig()
-	configurationChan <- configMessage{string(provider.StoreType), configuration}
+	configurationChan <- types.ConfigMessage{string(provider.StoreType), configuration}
 	return nil
 }
 
-func (provider *KvProvider) loadConfig() *Configuration {
-	configuration := new(Configuration)
+func (provider *Kv) loadConfig() *types.Configuration {
+	configuration := new(types.Configuration)
 	templateObjects := struct {
 		Prefix string
 	}{
@@ -166,7 +172,7 @@ func (provider *KvProvider) loadConfig() *Configuration {
 			return nil
 		}
 	} else {
-		buf, err := Asset("providerTemplates/kv.tmpl")
+		buf, err := autogen.Asset("templates/kv.tmpl")
 		if err != nil {
 			log.Error("Error reading file", err)
 		}

provider/marathon.go

@@ -0,0 +1,260 @@
+package provider
+
+import (
+	"bytes"
+	"errors"
+	"strconv"
+	"strings"
+	"text/template"
+
+	"github.com/BurntSushi/toml"
+	"github.com/BurntSushi/ty/fun"
+	log "github.com/Sirupsen/logrus"
+	"github.com/emilevauge/traefik/autogen"
+	"github.com/emilevauge/traefik/types"
+	"github.com/gambol99/go-marathon"
+)
+
+// Marathon holds configuration of the Marathon provider.
+type Marathon struct {
+	Watch            bool
+	Endpoint         string
+	Domain           string
+	Filename         string
+	NetworkInterface string
+	marathonClient   marathon.Marathon
+}
+
+// Provide allows the provider to provide configurations to traefik
+// using the given configuration channel.
+func (provider *Marathon) Provide(configurationChan chan<- types.ConfigMessage) error {
+	config := marathon.NewDefaultConfig()
+	config.URL = provider.Endpoint
+	config.EventsInterface = provider.NetworkInterface
+	client, err := marathon.NewClient(config)
+	if err != nil {
+		log.Errorf("Failed to create a client for marathon, error: %s", err)
+		return err
+	}
+	provider.marathonClient = client
+	update := make(marathon.EventsChannel, 5)
+	if provider.Watch {
+		if err := client.AddEventsListener(update, marathon.EVENTS_APPLICATIONS); err != nil {
+			log.Errorf("Failed to register for subscriptions, %s", err)
+		} else {
+			go func() {
+				for {
+					event := <-update
+					log.Debug("Marathon event receveived", event)
+					configuration := provider.loadMarathonConfig()
+					if configuration != nil {
+						configurationChan <- types.ConfigMessage{"marathon", configuration}
+					}
+				}
+			}()
+		}
+	}
+
+	configuration := provider.loadMarathonConfig()
+	configurationChan <- types.ConfigMessage{"marathon", configuration}
+	return nil
+}
+
+func (provider *Marathon) loadMarathonConfig() *types.Configuration {
+	var MarathonFuncMap = template.FuncMap{
+		"getPort": func(task marathon.Task) string {
+			for _, port := range task.Ports {
+				return strconv.Itoa(port)
+			}
+			return ""
+		},
+		"getWeight": func(task marathon.Task, applications []marathon.Application) string {
+			application, errApp := getApplication(task, applications)
+			if errApp != nil {
+				log.Errorf("Unable to get marathon application from task %s", task.AppID)
+				return "0"
+			}
+			if label, err := provider.getLabel(application, "traefik.weight"); err == nil {
+				return label
+			}
+			return "0"
+		},
+		"getDomain": func(application marathon.Application) string {
+			if label, err := provider.getLabel(application, "traefik.domain"); err == nil {
+				return label
+			}
+			return provider.Domain
+		},
+		"replace": func(s1 string, s2 string, s3 string) string {
+			return strings.Replace(s3, s1, s2, -1)
+		},
+		"getProtocol": func(task marathon.Task, applications []marathon.Application) string {
+			application, errApp := getApplication(task, applications)
+			if errApp != nil {
+				log.Errorf("Unable to get marathon application from task %s", task.AppID)
+				return "http"
+			}
+			if label, err := provider.getLabel(application, "traefik.protocol"); err == nil {
+				return label
+			}
+			return "http"
+		},
+		"getPassHostHeader": func(application marathon.Application) string {
+			if passHostHeader, err := provider.getLabel(application, "traefik.frontend.passHostHeader"); err == nil {
+				return passHostHeader
+			}
+			return "false"
+		},
+		"getFrontendValue": provider.GetFrontendValue,
+		"getFrontendRule":  provider.GetFrontendRule,
+	}
+	configuration := new(types.Configuration)
+
+	applications, err := provider.marathonClient.Applications(nil)
+	if err != nil {
+		log.Errorf("Failed to create a client for marathon, error: %s", err)
+		return nil
+	}
+
+	tasks, err := provider.marathonClient.AllTasks()
+	if err != nil {
+		log.Errorf("Failed to create a client for marathon, error: %s", err)
+		return nil
+	}
+
+	//filter tasks
+	filteredTasks := fun.Filter(func(task marathon.Task) bool {
+		if len(task.Ports) == 0 {
+			log.Debug("Filtering marathon task without port %s", task.AppID)
+			return false
+		}
+		application, errApp := getApplication(task, applications.Apps)
+		if errApp != nil {
+			log.Errorf("Unable to get marathon application from task %s", task.AppID)
+			return false
+		}
+		_, err := strconv.Atoi(application.Labels["traefik.port"])
+		if len(application.Ports) > 1 && err != nil {
+			log.Debugf("Filtering marathon task %s with more than 1 port and no traefik.port label", task.AppID)
+			return false
+		}
+		if application.Labels["traefik.enable"] == "false" {
+			log.Debugf("Filtering disabled marathon task %s", task.AppID)
+			return false
+		}
+		//filter healthchecks
+		if application.HasHealthChecks() {
+			if task.HasHealthCheckResults() {
+				for _, healthcheck := range task.HealthCheckResult {
+					// found one bad healthcheck, return false
+					if !healthcheck.Alive {
+						log.Debugf("Filtering marathon task %s with bad healthcheck", task.AppID)
+						return false
+					}
+				}
+			} else {
+				log.Debugf("Filtering marathon task %s with bad healthcheck", task.AppID)
+				return false
+			}
+		}
+		return true
+	}, tasks.Tasks).([]marathon.Task)
+
+	//filter apps
+	filteredApps := fun.Filter(func(app marathon.Application) bool {
+		//get ports from app tasks
+		if !fun.Exists(func(task marathon.Task) bool {
+			if task.AppID == app.ID {
+				return true
+			}
+			return false
+		}, filteredTasks) {
+			return false
+		}
+		return true
+	}, applications.Apps).([]marathon.Application)
+
+	templateObjects := struct {
+		Applications []marathon.Application
+		Tasks        []marathon.Task
+		Domain       string
+	}{
+		filteredApps,
+		filteredTasks,
+		provider.Domain,
+	}
+
+	tmpl := template.New(provider.Filename).Funcs(MarathonFuncMap)
+	if len(provider.Filename) > 0 {
+		_, err := tmpl.ParseFiles(provider.Filename)
+		if err != nil {
+			log.Error("Error reading file", err)
+			return nil
+		}
+	} else {
+		buf, err := autogen.Asset("templates/marathon.tmpl")
+		if err != nil {
+			log.Error("Error reading file", err)
+		}
+		_, err = tmpl.Parse(string(buf))
+		if err != nil {
+			log.Error("Error reading file", err)
+			return nil
+		}
+	}
+
+	var buffer bytes.Buffer
+
+	err = tmpl.Execute(&buffer, templateObjects)
+	if err != nil {
+		log.Error("Error with marathon template:", err)
+		return nil
+	}
+
+	if _, err := toml.Decode(buffer.String(), configuration); err != nil {
+		log.Error("Error creating marathon configuration:", err)
+		return nil
+	}
+
+	return configuration
+}
+
+func getApplication(task marathon.Task, apps []marathon.Application) (marathon.Application, error) {
+	for _, application := range apps {
+		if application.ID == task.AppID {
+			return application, nil
+		}
+	}
+	return marathon.Application{}, errors.New("Application not found: " + task.AppID)
+}
+
+func (provider *Marathon) getLabel(application marathon.Application, label string) (string, error) {
+	for key, value := range application.Labels {
+		if key == label {
+			return value, nil
+		}
+	}
+	return "", errors.New("Label not found:" + label)
+}
+
+func (provider *Marathon) getEscapedName(name string) string {
+	return strings.Replace(name, "/", "", -1)
+}
+
+// GetFrontendValue returns the frontend value for the specified application, using
+// it's label. It returns a default one if the label is not present.
+func (provider *Marathon) GetFrontendValue(application marathon.Application) string {
+	if label, err := provider.getLabel(application, "traefik.frontend.value"); err == nil {
+		return label
+	}
+	return provider.getEscapedName(application.ID) + "." + provider.Domain
+}
+
+// GetFrontendRule returns the frontend rule for the specified application, using
+// it's label. It returns a default one (Host) if the label is not present.
+func (provider *Marathon) GetFrontendRule(application marathon.Application) string {
+	if label, err := provider.getLabel(application, "traefik.frontend.rule"); err == nil {
+		return label
+	}
+	return "Host"
+}

provider/provider.go

@@ -0,0 +1,10 @@
+package provider
+
+import "github.com/emilevauge/traefik/types"
+
+// Provider defines methods of a provider.
+type Provider interface {
+	// Provide allows the provider to provide configurations to traefik
+	// using the given configuration channel.
+	Provide(configurationChan chan<- types.ConfigMessage) error
+}

provider/zk.go

@@ -0,0 +1,19 @@
+package provider
+
+import "github.com/emilevauge/traefik/types"
+
+// Zookepper holds configurations of the Zookepper provider.
+type Zookepper struct {
+	Watch      bool
+	Endpoint   string
+	Prefix     string
+	Filename   string
+	KvProvider *Kv
+}
+
+// Provide allows the provider to provide configurations to traefik
+// using the given configuration channel.
+func (provider *Zookepper) Provide(configurationChan chan<- types.ConfigMessage) error {
+	provider.KvProvider = NewZkProvider(provider)
+	return provider.KvProvider.provide(configurationChan)
+}

providerTemplates/docker.tmpl

@@ -1,14 +0,0 @@
-[backends]{{range .Containers}}
-    [backends.backend-{{getBackend .}}.servers.server-{{.Name | replace "/" "" | replace "." "-"}}]
-    url = "http://{{.NetworkSettings.IPAddress}}:{{getPort .}}"
-    weight = {{getWeight .}}
-{{end}}
-
-[frontends]{{range $host, $containers := .Hosts}}
-  [frontends.frontend-{{$host}}]
-  {{$container := index $containers 0}}
-  backend = "backend-{{getBackend $container}}"
-    [frontends.frontend-{{$host}}.routes.route-host-{{$host}}]
-    rule = "Host"
-    value = "{{$host}}.{{getDomain $container}}"
-{{end}}

providerTemplates/marathon-prefix.tmpl

@@ -1,27 +0,0 @@
-{{$apps := .Applications}}
-[backends]{{range .Tasks}}
-    [backends.backend{{.AppID | replace "/" "-"}}.servers.server-{{.ID | replace "." "-"}}]
-    url = "http://{{.Host}}:{{getPort .}}"
-    {{$appID := .AppID}}
-    {{range $apps}}
-    {{if eq $appID .ID}}
-    weight = {{getWeight .}}
-    {{end}}
-    {{end}}
-{{end}}
-
-[frontends]{{ range $app := .Applications}}
-  {{range $prefix := getPrefixes .}}
-  [frontends.frontend{{$app.ID | replace "/" "-"}}{{$prefix | replace "/" "-"}}]
-  backend = "backend{{$app.ID | replace "/" "-"}}"
-    [frontends.frontend-{{getHost $app | replace "/" "-"}}{{$prefix | replace "/" "-"}}.routes.route-prefix{{$prefix | replace "/" "-"}}]
-    rule = "PathPrefix"
-    value = "{{.}}"
-    {{else}}
-  [frontends.frontend{{.ID | replace "/" "-"}}]
-  backend = "backend{{.ID | replace "/" "-"}}"
-    [frontends.frontend-{{getHost $app | replace "/" "-"}}.routes.route-host-{{getHost $app | replace "/" "-"}}]
-    rule = "Host"
-    value = "{{getHost $app | replace "/" "-"}}.{{getDomain .}}"
-    {{end}}
-{{end}}

providerTemplates/marathon.tmpl

@@ -1,19 +0,0 @@
-{{$apps := .Applications}}
-[backends]{{range .Tasks}}
-    [backends.backend{{.AppID | replace "/" "-"}}.servers.server-{{.ID | replace "." "-"}}]
-    url = "http://{{.Host}}:{{getPort .}}"
-    {{$appID := .AppID}}
-    {{range $apps}}
-    {{if eq $appID .ID}}
-    weight = {{getWeight .}}
-    {{end}}
-    {{end}}
-{{end}}
-
-[frontends]{{range .Applications}}
-  [frontends.frontend{{.ID | replace "/" "-"}}]
-  backend = "backend{{.ID | replace "/" "-"}}"
-    [frontends.frontend-{{getHost . | replace "/" "-"}}.routes.route-host-{{getHost . | replace "/" "-"}}]
-    rule = "Host"
-    value = "{{getHost . | replace "/" "-"}}.{{getDomain .}}"
-{{end}}

script/binary

@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e
 
-if ! test -e gen.go; then
+if ! test -e autogen/gen.go; then
 	echo >&2 'error: generate must be run before binary'
 	false
 fi

script/crossbinary

@@ -1,8 +1,8 @@
 #!/bin/bash
 set -e
 
-if ! test -e gen.go; then
-	echo >&2 'error: generate must be run before binary'
+if ! test -e autogen/gen.go; then
+	echo >&2 'error: generate must be run before crossbinary'
 	false
 fi
 

script/dockerversion

@@ -0,0 +1,12 @@
+// AUTOGENERATED FILE; see /go/src/github.com/docker/docker/hack/make/.go-autogen
+package dockerversion
+
+var (
+	GITCOMMIT string = "traefik-import"
+	VERSION   string = "traefik-import"
+	BUILDTIME string = "traefik-import"
+
+	IAMSTATIC string = "traefik-import"
+	INITSHA1  string = "traefik-import"
+	INITPATH  string = "traefik-import"
+)

script/make.sh

@@ -5,6 +5,7 @@ set -e
 DEFAULT_BUNDLES=(
 	validate-gofmt
 	validate-govet
+	generate
 	binary
 
 	test-unit

script/test-unit

@@ -1,8 +1,8 @@
 #!/bin/bash
 set -e
 
-if ! test -e gen.go; then
-	echo >&2 'error: generate must be run before binary'
+if ! test -e autogen/gen.go; then
+	echo >&2 'error: generate must be run before test-unit'
 	false
 fi
 

static/app/sections/providers/frontend-monitor/frontend-monitor.html

@@ -18,5 +18,6 @@
   </div>
   <div data-bg-show="frontendCtrl.frontend.backend" class="panel-footer">
     <span class="label label-warning" role="button" data-toggle="collapse" href="#{{frontendCtrl.frontend.backend}}" aria-expanded="false">{{frontendCtrl.frontend.backend}}</span>
+    <span data-ng-show="frontendCtrl.frontend.passHostHeader" class="label label-warning">Pass Host Header</span>
   </div>
 </div>

templates/docker.tmpl

@@ -0,0 +1,14 @@
+[backends]{{range .Containers}}
+    [backends.backend-{{getBackend .}}.servers.server-{{.Name | replace "/" "" | replace "." "-"}}]
+    url = "{{getProtocol .}}://{{.NetworkSettings.IPAddress}}:{{getPort .}}"
+    weight = {{getWeight .}}
+{{end}}
+
+[frontends]{{range $frontend, $containers := .Frontends}}
+  [frontends."frontend-{{$frontend}}"]{{$container := index $containers 0}}
+  backend = "backend-{{getBackend $container}}"
+  passHostHeader = {{getPassHostHeader $container}}
+    [frontends."frontend-{{$frontend}}".routes."route-frontend-{{$frontend}}"]
+    rule = "{{getFrontendRule $container}}"
+    value = "{{getFrontendValue $container}}"
+{{end}}

templates/marathon.tmpl

@@ -0,0 +1,15 @@
+{{$apps := .Applications}}
+[backends]{{range .Tasks}}
+    [backends.backend{{.AppID | replace "/" "-"}}.servers.server-{{.ID | replace "." "-"}}]
+    url = "{{getProtocol . $apps}}://{{.Host}}:{{getPort .}}"
+    weight = {{getWeight . $apps}}
+{{end}}
+
+[frontends]{{range .Applications}}
+  [frontends.frontend{{.ID | replace "/" "-"}}]
+  backend = "backend{{.ID | replace "/" "-"}}"
+  passHostHeader = {{getPassHostHeader .}}
+    [frontends.frontend-{{.ID | replace "/" ""}}.routes.route-host-{{.ID | replace "/" ""}}]
+    rule = "{{getFrontendRule .}}"
+    value = "{{getFrontendValue .}}"
+{{end}}

tests/whoami.json

@@ -0,0 +1,39 @@
+{
+  "id": "whoami",
+  "cpus": 0.1,
+  "mem": 64.0,
+  "instances": 3,
+  "container": {
+    "type": "DOCKER",
+    "docker": {
+      "image": "emilevauge/whoami",
+      "network": "BRIDGE",
+      "portMappings": [
+        { "containerPort": 80, "hostPort": 0, "protocol": "tcp" }
+      ],
+      "parameters": [{
+        "key": "log-driver",
+        "value": "gelf"
+      }, {
+        "key": "log-opt",
+        "value": "gelf-address=udp://172.17.42.1:12201"
+      }]
+    }
+  },
+  "healthChecks": [
+    {
+      "protocol": "HTTP",
+      "portIndex": 0,
+      "path": "/",
+      "gracePeriodSeconds": 5,
+      "intervalSeconds": 20,
+      "maxConsecutiveFailures": 3
+    }
+  ],
+  "labels": {
+      "traefik.weight": "1",
+      "traefik.protocole": "https",
+      "traefik.frontend.rule": "Path",
+      "traefik.frontend.value": "/test"
+  }
+}

traefik.go

@@ -2,54 +2,41 @@ package main
 
 import (
 	"crypto/tls"
+	"errors"
 	fmtlog "log"
 	"net/http"
 	"net/url"
 	"os"
 	"os/signal"
 	"reflect"
+	"runtime"
 	"strings"
 	"syscall"
 	"time"
 
-	"errors"
 	"github.com/BurntSushi/toml"
 	log "github.com/Sirupsen/logrus"
 	"github.com/codegangsta/negroni"
 	"github.com/emilevauge/traefik/middlewares"
+	"github.com/emilevauge/traefik/provider"
+	"github.com/emilevauge/traefik/types"
 	"github.com/gorilla/mux"
 	"github.com/mailgun/manners"
 	"github.com/mailgun/oxy/cbreaker"
 	"github.com/mailgun/oxy/forward"
 	"github.com/mailgun/oxy/roundrobin"
 	"github.com/thoas/stats"
-	"github.com/unrolled/render"
 	"gopkg.in/alecthomas/kingpin.v2"
-	"runtime"
 )
 
 var (
-	Version               = ""
-	BuildDate             = ""
 	globalConfigFile      = kingpin.Arg("conf", "Main configration file.").Default("traefik.toml").String()
 	version               = kingpin.Flag("version", "Get Version.").Short('v').Bool()
 	currentConfigurations = make(configs)
 	metrics               = stats.New()
 	oxyLogger             = &OxyLogger{}
-	templatesRenderer     = render.New(render.Options{
-		Directory:  "templates",
-		Asset:      Asset,
-		AssetNames: AssetNames,
-	})
 )
 
-type configMessage struct {
-	providerName  string
-	configuration *Configuration
-}
-
-type configs map[string]*Configuration
-
 func main() {
 	runtime.GOMAXPROCS(runtime.NumCPU())
 	kingpin.Version(Version + " built on the " + BuildDate)
@@ -57,15 +44,15 @@ func main() {
 	fmtlog.SetFlags(fmtlog.Lshortfile | fmtlog.LstdFlags)
 	var srv *manners.GracefulServer
 	var configurationRouter *mux.Router
-	var configurationChan = make(chan configMessage, 10)
+	var configurationChan = make(chan types.ConfigMessage, 10)
 	defer close(configurationChan)
-	var configurationChanValidated = make(chan configMessage, 10)
+	var configurationChanValidated = make(chan types.ConfigMessage, 10)
 	defer close(configurationChanValidated)
 	var sigs = make(chan os.Signal, 1)
 	defer close(sigs)
 	var stopChan = make(chan bool)
 	defer close(stopChan)
-	var providers = []Provider{}
+	var providers = []provider.Provider{}
 	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
 
 	// load global configuration
@@ -99,22 +86,22 @@ func main() {
 	// listen new configurations from providers
 	go func() {
 		lastReceivedConfiguration := time.Unix(0, 0)
-		lastConfigs := make(map[string]*configMessage)
+		lastConfigs := make(map[string]*types.ConfigMessage)
 		for {
 			configMsg := <-configurationChan
-			log.Infof("Configuration receveived from provider %s: %#v", configMsg.providerName, configMsg.configuration)
-			lastConfigs[configMsg.providerName] = &configMsg
+			log.Infof("Configuration receveived from provider %s: %#v", configMsg.ProviderName, configMsg.Configuration)
+			lastConfigs[configMsg.ProviderName] = &configMsg
 			if time.Now().After(lastReceivedConfiguration.Add(time.Duration(globalConfiguration.ProvidersThrottleDuration))) {
-				log.Infof("Last %s config received more than %s, OK", configMsg.providerName, globalConfiguration.ProvidersThrottleDuration)
+				log.Infof("Last %s config received more than %s, OK", configMsg.ProviderName, globalConfiguration.ProvidersThrottleDuration)
 				// last config received more than n s ago
 				configurationChanValidated <- configMsg
 			} else {
-				log.Infof("Last %s config received less than %s, waiting...", configMsg.providerName, globalConfiguration.ProvidersThrottleDuration)
+				log.Infof("Last %s config received less than %s, waiting...", configMsg.ProviderName, globalConfiguration.ProvidersThrottleDuration)
 				go func() {
 					<-time.After(globalConfiguration.ProvidersThrottleDuration)
 					if time.Now().After(lastReceivedConfiguration.Add(time.Duration(globalConfiguration.ProvidersThrottleDuration))) {
-						log.Infof("Waited for %s config, OK", configMsg.providerName)
-						configurationChanValidated <- *lastConfigs[configMsg.providerName]
+						log.Infof("Waited for %s config, OK", configMsg.ProviderName)
+						configurationChanValidated <- *lastConfigs[configMsg.ProviderName]
 					}
 				}()
 			}
@@ -124,9 +111,9 @@ func main() {
 	go func() {
 		for {
 			configMsg := <-configurationChanValidated
-			if configMsg.configuration == nil {
-				log.Info("Skipping empty configuration")
-			} else if reflect.DeepEqual(currentConfigurations[configMsg.providerName], configMsg.configuration) {
+			if configMsg.Configuration == nil {
+				log.Info("Skipping empty Configuration")
+			} else if reflect.DeepEqual(currentConfigurations[configMsg.ProviderName], configMsg.Configuration) {
 				log.Info("Skipping same configuration")
 			} else {
 				// Copy configurations to new map so we don't change current if LoadConfig fails
@@ -134,7 +121,7 @@ func main() {
 				for k, v := range currentConfigurations {
 					newConfigurations[k] = v
 				}
-				newConfigurations[configMsg.providerName] = configMsg.configuration
+				newConfigurations[configMsg.ProviderName] = configMsg.Configuration
 
 				newConfigurationRouter, err := LoadConfig(newConfigurations, globalConfiguration)
 				if err == nil {
@@ -300,7 +287,7 @@ func LoadConfig(configurations configs, globalConfiguration *GlobalConfiguration
 	for _, configuration := range configurations {
 		for frontendName, frontend := range configuration.Frontends {
 			log.Debugf("Creating frontend %s", frontendName)
-			fwd, _ := forward.New(forward.Logger(oxyLogger))
+			fwd, _ := forward.New(forward.Logger(oxyLogger), forward.PassHostHeader(frontend.PassHostHeader))
 			newRoute := router.NewRoute().Name(frontendName)
 			for routeName, route := range frontend.Routes {
 				log.Debugf("Creating route %s %s:%s", routeName, route.Rule, route.Value)
@@ -314,12 +301,12 @@ func LoadConfig(configurations configs, globalConfiguration *GlobalConfiguration
 				if configuration.Backends[frontend.Backend] == nil {
 					return nil, errors.New("Backend not found: " + frontend.Backend)
 				}
-				lbMethod, err := NewLoadBalancerMethod(configuration.Backends[frontend.Backend].LoadBalancer)
+				lbMethod, err := types.NewLoadBalancerMethod(configuration.Backends[frontend.Backend].LoadBalancer)
 				if err != nil {
-					configuration.Backends[frontend.Backend].LoadBalancer = &LoadBalancer{Method: "wrr"}
+					configuration.Backends[frontend.Backend].LoadBalancer = &types.LoadBalancer{Method: "wrr"}
 				}
 				switch lbMethod {
-				case drr:
+				case types.Drr:
 					log.Infof("Creating load-balancer drr")
 					rebalancer, _ := roundrobin.NewRebalancer(rr, roundrobin.RebalancerLogger(oxyLogger))
 					lb = rebalancer
@@ -331,7 +318,7 @@ func LoadConfig(configurations configs, globalConfiguration *GlobalConfiguration
 						log.Infof("Creating server %s %s", serverName, url.String())
 						rebalancer.UpsertServer(url, roundrobin.Weight(server.Weight))
 					}
-				case wrr:
+				case types.Wrr:
 					log.Infof("Creating load-balancer wrr")
 					lb = middlewares.NewWebsocketUpgrader(rr)
 					for serverName, server := range configuration.Backends[frontend.Backend].Servers {

traefik.sample.toml

@@ -356,6 +356,7 @@
 #     value = "test.localhost"
 #   [frontends.frontend2]
 #   backend = "backend1"
+#   passHostHeader = true
 #     [frontends.frontend2.routes.test_2]
 #     rule = "Path"
 #     value = "/test"

types/types.go

@@ -0,0 +1,84 @@
+package types
+
+import (
+	"errors"
+	"strings"
+)
+
+// Backend holds backend configuration.
+type Backend struct {
+	Servers        map[string]Server `json:"servers,omitempty"`
+	CircuitBreaker *CircuitBreaker   `json:"circuitBreaker,omitempty"`
+	LoadBalancer   *LoadBalancer     `json:"loadBalancer,omitempty"`
+}
+
+// LoadBalancer holds load balancing configuration.
+type LoadBalancer struct {
+	Method string `json:"method,omitempty"`
+}
+
+// CircuitBreaker holds circuit breaker configuration.
+type CircuitBreaker struct {
+	Expression string `json:"expression,omitempty"`
+}
+
+// Server holds server configuration.
+type Server struct {
+	URL    string `json:"url,omitempty"`
+	Weight int    `json:"weight,omitempty"`
+}
+
+// Route holds route configuration.
+type Route struct {
+	Rule  string `json:"rule,omitempty"`
+	Value string `json:"value,omitempty"`
+}
+
+// Frontend holds frontend configuration.
+type Frontend struct {
+	Backend        string           `json:"backend,omitempty"`
+	Routes         map[string]Route `json:"routes,omitempty"`
+	PassHostHeader bool             `json:"passHostHeader,omitempty"`
+}
+
+// LoadBalancerMethod holds the method of load balancing to use.
+type LoadBalancerMethod uint8
+
+const (
+	// Wrr (default) = Weighted Round Robin
+	Wrr LoadBalancerMethod = iota
+	// Drr = Dynamic Round Robin
+	Drr
+)
+
+var loadBalancerMethodNames = []string{
+	"Wrr",
+	"Drr",
+}
+
+// NewLoadBalancerMethod create a new LoadBalancerMethod from a given LoadBalancer.
+func NewLoadBalancerMethod(loadBalancer *LoadBalancer) (LoadBalancerMethod, error) {
+	if loadBalancer != nil {
+		for i, name := range loadBalancerMethodNames {
+			if strings.EqualFold(name, loadBalancer.Method) {
+				return LoadBalancerMethod(i), nil
+			}
+		}
+	}
+	return Wrr, ErrInvalidLoadBalancerMethod
+}
+
+// ErrInvalidLoadBalancerMethod is thrown when the specified load balancing method is invalid.
+var ErrInvalidLoadBalancerMethod = errors.New("Invalid method, using default")
+
+// Configuration of a provider.
+type Configuration struct {
+	Backends  map[string]*Backend  `json:"backends,omitempty"`
+	Frontends map[string]*Frontend `json:"frontends,omitempty"`
+}
+
+// ConfigMessage hold configuration information exchanged between parts of traefik.
+type ConfigMessage struct {
+	ProviderName  string
+	Configuration *Configuration
+}

vendor/github.com/docker/docker/autogen/dockerversion/dockerversion.go

@@ -1,12 +0,0 @@
-// AUTOGENERATED FILE; see ./hack/make/.go-autogen
-package dockerversion
-
-var (
-	GITCOMMIT string = ""
-	VERSION   string = ""
-	BUILDTIME string = ""
-
-	IAMSTATIC string = "true"
-	INITSHA1  string = ""
-	INITPATH  string = ""
-)

version.go

@@ -0,0 +1,6 @@
+package main
+
+var (
+	Version   = ""
+	BuildDate = ""
+)

web.go

@@ -8,7 +8,10 @@ import (
 
 	log "github.com/Sirupsen/logrus"
 	"github.com/elazarl/go-bindata-assetfs"
+	"github.com/emilevauge/traefik/autogen"
+	"github.com/emilevauge/traefik/types"
 	"github.com/gorilla/mux"
+	"github.com/unrolled/render"
 )
 
 type WebProvider struct {
@@ -16,7 +19,13 @@ type WebProvider struct {
 	CertFile, KeyFile string
 }
 
-func (provider *WebProvider) Provide(configurationChan chan<- configMessage) error {
+var (
+	templatesRenderer = render.New(render.Options{
+		Directory: "nowhere",
+	})
+)
+
+func (provider *WebProvider) Provide(configurationChan chan<- types.ConfigMessage) error {
 	systemRouter := mux.NewRouter()
 
 	// health route
@@ -34,11 +43,11 @@ func (provider *WebProvider) Provide(configurationChan chan<- configMessage) err
 			return
 		}
 
-		configuration := new(Configuration)
+		configuration := new(types.Configuration)
 		body, _ := ioutil.ReadAll(request.Body)
 		err := json.Unmarshal(body, configuration)
 		if err == nil {
-			configurationChan <- configMessage{"web", configuration}
+			configurationChan <- types.ConfigMessage{"web", configuration}
 			getConfigHandler(response, request)
 		} else {
 			log.Errorf("Error parsing configuration %+v", err)
@@ -58,7 +67,7 @@ func (provider *WebProvider) Provide(configurationChan chan<- configMessage) err
 	systemRouter.Methods("GET").Path("/").HandlerFunc(func(response http.ResponseWriter, request *http.Request) {
 		http.Redirect(response, request, "/dashboard/", 302)
 	})
-	systemRouter.Methods("GET").PathPrefix("/dashboard/").Handler(http.StripPrefix("/dashboard/", http.FileServer(&assetfs.AssetFS{Asset: Asset, AssetDir: AssetDir, Prefix: "static"})))
+	systemRouter.Methods("GET").PathPrefix("/dashboard/").Handler(http.StripPrefix("/dashboard/", http.FileServer(&assetfs.AssetFS{Asset: autogen.Asset, AssetDir: autogen.AssetDir, Prefix: "static"})))
 
 	go func() {
 		if len(provider.CertFile) > 0 && len(provider.KeyFile) > 0 {

zk.go

@@ -1,14 +0,0 @@
-package main
-
-type ZookepperProvider struct {
-	Watch      bool
-	Endpoint   string
-	Prefix     string
-	Filename   string
-	KvProvider *KvProvider
-}
-
-func (provider *ZookepperProvider) Provide(configurationChan chan<- configMessage) error {
-	provider.KvProvider = NewZkProvider(provider)
-	return provider.KvProvider.provide(configurationChan)
-}