Merge pull request #122 from emilevauge/add-getBool-kvprovider

Add GetBool function in KV provider, used by passHostHeader

.dockerignore

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

.gitignore

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

Makefile

@@ -3,7 +3,8 @@
 TRAEFIK_ENVS := \
 	-e OS_ARCH_ARG \
 	-e OS_PLATFORM_ARG \
-	-e TESTFLAGS
+	-e TESTFLAGS \
+	-e CIRCLECI
 
 BIND_DIR := "dist"
 TRAEFIK_MOUNT := -v "$(CURDIR)/$(BIND_DIR):/go/src/github.com/emilevauge/traefik/$(BIND_DIR)"
@@ -20,6 +21,9 @@ print-%: ; @echo $*=$($*)
 
 default: binary
 
+all: build
+	$(DOCKER_RUN_TRAEFIK) ./script/make.sh
+
 binary: build
 	$(DOCKER_RUN_TRAEFIK) ./script/make.sh generate binary
 
@@ -36,7 +40,7 @@ test-integration: build
 	$(DOCKER_RUN_TRAEFIK) ./script/make.sh generate test-integration
 
 validate: build
-	$(DOCKER_RUN_TRAEFIK) ./script/make.sh validate-gofmt validate-govet
+	$(DOCKER_RUN_TRAEFIK) ./script/make.sh validate-gofmt validate-govet validate-golint
 
 validate-gofmt: build
 	$(DOCKER_RUN_TRAEFIK) ./script/make.sh validate-gofmt
@@ -44,6 +48,9 @@ validate-gofmt: build
 validate-govet: build
 	$(DOCKER_RUN_TRAEFIK) ./script/make.sh validate-govet
 
+validate-golint: build
+	$(DOCKER_RUN_TRAEFIK) ./script/make.sh validate-golint
+
 build: dist
 	docker build -t "$(TRAEFIK_DEV_IMAGE)" -f build.Dockerfile .
 

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.
@@ -25,7 +25,8 @@ It supports several backends ([Docker :whale:](https://www.docker.com/), [Mesos/
 - Tiny docker image included
 - SSL backends support
 - SSL frontend support
-- WebUI
+- Clean AngularJS Web UI
+- Websocket support
 
 ## Demo
 
@@ -33,6 +34,13 @@ Here is a demo of Træfɪk using Docker backend, showing a load-balancing betwee
 
 [![asciicast](https://asciinema.org/a/4tcyde7riou5vxulo6my3mtko.png)](https://asciinema.org/a/4tcyde7riou5vxulo6my3mtko)
 
+## Web UI
+
+You can access to a simple HTML frontend of Træfik.
+
+![Web UI Providers](docs/img/web.frontend.png)
+![Web UI Health](docs/img/traefik-health.png)
+
 ## Plumbing
 
 - [Oxy](https://github.com/mailgun/oxy/): an awsome proxy library made by Mailgun guys
@@ -68,13 +76,6 @@ You can find the complete documentation [here](docs/index.md).
 
 Refer to the [benchmarks section](docs/index.md#benchmarks) in the documentation.
 
-## Web UI
-
-You can access to a simple HTML frontend of Træfik.
-
-![Web UI Providers](docs/img/web.frontend.png)
-![Web UI Health](docs/img/traefik-health.png)
-
 ## Contributing
 
 ### Building
@@ -84,6 +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`

adapters.go

@@ -4,40 +4,37 @@ Copyright
 package main
 
 import (
+	"net/http"
+
 	log "github.com/Sirupsen/logrus"
 	"github.com/gorilla/mux"
-	"github.com/mailgun/oxy/utils"
-	"net/http"
 )
 
+// OxyLogger implements oxy Logger interface with logrus.
 type OxyLogger struct {
 }
 
+// Infof logs specified string as Debug level in logrus.
 func (oxylogger *OxyLogger) Infof(format string, args ...interface{}) {
 	log.Debugf(format, args...)
 }
 
+// Warningf logs specified string as Warning level in logrus.
 func (oxylogger *OxyLogger) Warningf(format string, args ...interface{}) {
 	log.Warningf(format, args...)
 }
 
+// Errorf logs specified string as Error level in logrus.
 func (oxylogger *OxyLogger) Errorf(format string, args ...interface{}) {
 	log.Errorf(format, args...)
 }
 
-type ErrorHandler struct {
-}
-
-func (e *ErrorHandler) ServeHTTP(w http.ResponseWriter, req *http.Request, err error) {
-	log.Error("server error ", err.Error())
-	utils.DefaultHandler.ServeHTTP(w, req, err)
-}
-
 func notFoundHandler(w http.ResponseWriter, r *http.Request) {
 	http.NotFound(w, r)
 	//templatesRenderer.HTML(w, http.StatusNotFound, "notFound", nil)
 }
 
+// LoadDefaultConfig returns a default gorrilla.mux router from the specified configuration.
 func LoadDefaultConfig(globalConfiguration *GlobalConfiguration) *mux.Router {
 	router := mux.NewRouter()
 	router.NotFoundHandler = http.HandlerFunc(notFoundHandler)

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 +3,8 @@ 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/...
+RUN go get github.com/golang/lint/golint
 
 # Which docker version to test on
 ENV DOCKER_VERSION 1.6.2

circle.yml

@@ -6,6 +6,8 @@ machine:
   environment:
     REPO: $CIRCLE_PROJECT_USERNAME/$CIRCLE_PROJECT_REPONAME
     DOCKER_HOST: tcp://172.17.42.1:2375
+    MAKE_DOCKER_HOST: $DOCKER_HOST
+    VERSION: v1.0.alpha.$CIRCLE_BUILD_NUM
 
 dependencies:
   pre:
@@ -18,7 +20,7 @@ dependencies:
 test:
   override:
     - make test-unit
-    - make MAKE_DOCKER_HOST=$DOCKER_HOST test-integration
+    - make test-integration
   post:
     - make crossbinary
     - make image
@@ -27,8 +29,8 @@ deployment:
   hub:
     branch: master
     commands:
-      - ghr -t $GITHUB_TOKEN -u $CIRCLE_PROJECT_USERNAME -r $CIRCLE_PROJECT_REPONAME --prerelease v1.0.alpha.$CIRCLE_BUILD_NUM dist/
+      - ghr -t $GITHUB_TOKEN -u $CIRCLE_PROJECT_USERNAME -r $CIRCLE_PROJECT_REPONAME --prerelease ${VERSION} dist/
       - docker login -e $DOCKER_EMAIL -u $DOCKER_USER -p $DOCKER_PASS
       - docker push ${REPO,,}:latest
-      - docker tag ${REPO,,}:latest ${REPO,,}:v1.0.alpha.$CIRCLE_BUILD_NUM
-      - docker push ${REPO,,}:v1.0.alpha.$CIRCLE_BUILD_NUM
+      - docker tag ${REPO,,}:latest ${REPO,,}:${VERSION}
+      - docker push ${REPO,,}:${VERSION}

configuration.go

@@ -1,102 +1,53 @@
 package main
 
 import (
-	"errors"
-	"strings"
+	fmtlog "log"
+	"time"
+
+	"github.com/BurntSushi/toml"
+	"github.com/emilevauge/traefik/provider"
+	"github.com/emilevauge/traefik/types"
 )
 
+// GlobalConfiguration holds global configuration (with providers, etc.).
+// It's populated from the traefik configuration file passed as an argument to the binary.
 type GlobalConfiguration struct {
-	Port              string
-	GraceTimeOut      int64
-	AccessLogsFile    string
-	TraefikLogsFile   string
-	CertFile, KeyFile string
-	LogLevel          string
-	Docker            *DockerProvider
-	File              *FileProvider
-	Web               *WebProvider
-	Marathon          *MarathonProvider
-	Consul            *ConsulProvider
-	Etcd              *EtcdProvider
-	Zookeeper         *ZookepperProvider
-	Boltdb            *BoltDbProvider
+	Port                      string
+	GraceTimeOut              int64
+	AccessLogsFile            string
+	TraefikLogsFile           string
+	CertFile, KeyFile         string
+	LogLevel                  string
+	ProvidersThrottleDuration time.Duration
+	Docker                    *provider.Docker
+	File                      *provider.File
+	Web                       *WebProvider
+	Marathon                  *provider.Marathon
+	Consul                    *provider.Consul
+	Etcd                      *provider.Etcd
+	Zookeeper                 *provider.Zookepper
+	Boltdb                    *provider.BoltDb
 }
 
+// NewGlobalConfiguration returns a GlobalConfiguration with default values.
 func NewGlobalConfiguration() *GlobalConfiguration {
 	globalConfiguration := new(GlobalConfiguration)
 	// default values
 	globalConfiguration.Port = ":80"
 	globalConfiguration.GraceTimeOut = 10
 	globalConfiguration.LogLevel = "ERROR"
+	globalConfiguration.ProvidersThrottleDuration = time.Duration(2 * time.Second)
 
 	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
-			}
-		}
+// LoadFileConfig returns a GlobalConfiguration from reading the specified file (a toml file).
+func LoadFileConfig(file string) *GlobalConfiguration {
+	configuration := NewGlobalConfiguration()
+	if _, err := toml.DecodeFile(file, configuration); err != nil {
+		fmtlog.Fatalf("Error reading file: %s", err)
 	}
-	return wrr, ErrInvalidLoadBalancerMethod
+	return configuration
 }
 
-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
 
@@ -107,6 +108,16 @@ For example:
 #
 # CertFile = "traefik.crt"
 # KeyFile = "traefik.key"
+
+# Backends throttle duration: minimum duration between 2 events from providers
+# before applying a new configuration. It avoids unnecessary reloads if multiples events
+# are sent in a short amount of time.
+#
+# Optional
+# Default: "2s"
+#
+# ProvidersThrottleDuration = "5s"
+
 ```
 
 
@@ -153,6 +164,7 @@ logLevel = "DEBUG"
     value = "test.localhost"
   [frontends.frontend2]
   backend = "backend1"
+  passHostHeader = true
     [frontends.frontend2.routes.test_2]
     rule = "Path"
     value = "/test"
@@ -200,6 +212,7 @@ filename = "rules.toml"
     value = "test.localhost"
   [frontends.frontend2]
   backend = "backend1"
+  passHostHeader = true
     [frontends.frontend2.routes.test_2]
     rule = "Path"
     value = "/test"
@@ -391,17 +404,29 @@ watch = true
 # Optional
 #
 # filename = "docker.tmpl"
+
+# Enable docker TLS connection
+#
+#  [docker.tls]
+#  ca = "/etc/ssl/ca.crt"
+#  cert = "/etc/ssl/docker.crt"
+#  key = "/etc/ssl/docker.key"
+#  insecureskipverify = true
 ```
 
 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:
@@ -456,10 +481,12 @@ 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
@@ -537,6 +564,7 @@ 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`    |
 
@@ -616,6 +644,7 @@ 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`    |
 
@@ -694,6 +723,7 @@ 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

glide.yaml

@@ -1,81 +1,11 @@
 package: main
 import:
-  - package: github.com/mailgun/timetools
-    ref:     fd192d755b00c968d312d23f521eb0cdc6f66bd0
   - package: github.com/coreos/go-etcd
     ref:     cc90c7b091275e606ad0ca7102a23fb2072f3f5e
     subpackages:
       - etcd
-  - package: github.com/davecgh/go-spew
-    ref:     2df174808ee097f90d259e432cc04442cf60be21
-    subpackages:
-      - spew
-  - package: gopkg.in/fsnotify.v1
-    ref:     96c060f6a6b7e0d6f75fddd10efeaca3e5d1bcb0
-  - package: github.com/BurntSushi/ty
-    ref:     6add9cd6ad42d389d6ead1dde60b4ad71e46fd74
-  - package: github.com/hashicorp/consul
-    ref:     de080672fee9e6104572eeea89eccdca135bb918
-    subpackages:
-      - api
-  - package: github.com/alecthomas/template
-    ref:     b867cc6ab45cece8143cfcc6fc9c77cf3f2c23c0
-  - package: github.com/thoas/stats
-    ref:     54ed61c2b47e263ae2f01b86837b0c4bd1da28e8
-  - package: github.com/vdemeester/shakers
-    ref:     8fe734f75f3a70b651cbfbf8a55a009da09e8dc5
-  - package: github.com/samuel/go-zookeeper
-    ref:     fa6674abf3f4580b946a01bf7a1ce4ba8766205b
-    subpackages:
-      - zk
-  - package: github.com/alecthomas/units
-    ref:     6b4e7dc5e3143b85ea77909c72caf89416fc2915
-  - package: github.com/unrolled/render
-    ref:     26b4e3aac686940fe29521545afad9966ddfc80c
-  - package: github.com/flynn/go-shlex
-    ref:     3f9db97f856818214da2e1057f8ad84803971cff
-  - package: github.com/fsouza/go-dockerclient
-    ref:     0239034d42f665efa17fd77c39f891c2f9f32922
-  - package: github.com/codegangsta/negroni
-    ref:     c7477ad8e330bef55bf1ebe300cf8aa67c492d1b
-  - package: gopkg.in/yaml.v2
-    ref:     7ad95dd0798a40da1ccdff6dff35fd177b5edf40
-  - package: github.com/opencontainers/runc
-    ref:     4ab132458fc3e9dbeea624153e0331952dc4c8d5
-    subpackages:
-      - libcontainer/user
-  - package: github.com/boltdb/bolt
-    ref:     51f99c862475898df9773747d3accd05a7ca33c1
-  - package: github.com/docker/libtrust
-    ref:     9cbd2a1374f46905c68a4eb3694a130610adc62a
-  - package: github.com/elazarl/go-bindata-assetfs
-    ref:     d5cac425555ca5cf00694df246e04f05e6a55150
   - package: github.com/docker/distribution
     ref:     9038e48c3b982f8e82281ea486f078a73731ac4e
-  - package: github.com/BurntSushi/toml
-    ref:     bd2bdf7f18f849530ef7a1c29a4290217cab32a1
-  - package: github.com/samalba/dockerclient
-    ref:     cfb489c624b635251a93e74e1e90eb0959c5367f
-  - package: gopkg.in/check.v1
-    ref:     11d3bc7aa68e238947792f30573146a3231fc0f1
-  - package: gopkg.in/alecthomas/kingpin.v2
-    ref:     639879d6110b1b0409410c7b737ef0bb18325038
-  - package: github.com/Sirupsen/logrus
-    ref:     418b41d23a1bf978c06faea5313ba194650ac088
-  - package: golang.org/x/net
-    ref:     d9558e5c97f85372afee28cf2b6059d7d3818919
-    subpackages:
-      - context
-  - package: gopkg.in/mgo.v2
-    ref:     22287bab4379e1fbf6002fb4eb769888f3fb224c
-    subpackages:
-      - bson
-  - package: github.com/gambol99/go-marathon
-    ref:     0ba31bcb0d7633ba1888d744c42990eb15281cf1
-  - package: github.com/mailgun/manners
-    ref:     37136f736785d7c6aa3b9a27b4b2dd1028ca6d79
-  - package: github.com/gorilla/handlers
-    ref:     40694b40f4a928c062f56849989d3e9cd0570e5f
   - package: github.com/mailgun/log
     ref:     44874009257d4d47ba9806f1b7f72a32a015e4d8
   - package: github.com/mailgun/oxy
@@ -86,6 +16,54 @@ import:
       - memmetrics
       - roundrobin
       - utils
+  - package: github.com/hashicorp/consul
+    ref:     de080672fee9e6104572eeea89eccdca135bb918
+    subpackages:
+      - api
+  - package: github.com/samuel/go-zookeeper
+    ref:     fa6674abf3f4580b946a01bf7a1ce4ba8766205b
+    subpackages:
+      - zk
+  - package: github.com/docker/libtrust
+    ref:     9cbd2a1374f46905c68a4eb3694a130610adc62a
+  - package: gopkg.in/check.v1
+    ref:     11d3bc7aa68e238947792f30573146a3231fc0f1
+  - package: golang.org/x/net
+    ref:     d9558e5c97f85372afee28cf2b6059d7d3818919
+    subpackages:
+      - context
+  - package: github.com/gorilla/handlers
+    ref:     40694b40f4a928c062f56849989d3e9cd0570e5f
+  - package: github.com/docker/libkv
+    ref:     3732f7ff1b56057c3158f10bceb1e79133025373
+  - package: github.com/alecthomas/template
+    ref:     b867cc6ab45cece8143cfcc6fc9c77cf3f2c23c0
+  - package: github.com/vdemeester/shakers
+    ref:     8fe734f75f3a70b651cbfbf8a55a009da09e8dc5
+  - package: github.com/alecthomas/units
+    ref:     6b4e7dc5e3143b85ea77909c72caf89416fc2915
+  - package: github.com/gambol99/go-marathon
+    ref:     0ba31bcb0d7633ba1888d744c42990eb15281cf1
+  - package: github.com/mailgun/predicate
+    ref:     cb0bff91a7ab7cf7571e661ff883fc997bc554a3
+  - package: github.com/thoas/stats
+    ref:     54ed61c2b47e263ae2f01b86837b0c4bd1da28e8
+  - package: github.com/samalba/dockerclient
+    ref:     cfb489c624b635251a93e74e1e90eb0959c5367f
+  - package: github.com/Sirupsen/logrus
+    ref:     418b41d23a1bf978c06faea5313ba194650ac088
+  - package: github.com/unrolled/render
+    ref:     26b4e3aac686940fe29521545afad9966ddfc80c
+  - package: github.com/flynn/go-shlex
+    ref:     3f9db97f856818214da2e1057f8ad84803971cff
+  - package: github.com/fsouza/go-dockerclient
+    ref:     0239034d42f665efa17fd77c39f891c2f9f32922
+  - package: github.com/boltdb/bolt
+    ref:     51f99c862475898df9773747d3accd05a7ca33c1
+  - package: gopkg.in/mgo.v2
+    ref:     22287bab4379e1fbf6002fb4eb769888f3fb224c
+    subpackages:
+      - bson
   - package: github.com/docker/docker
     ref:     f39987afe8d611407887b3094c03d6ba6a766a67
     subpackages:
@@ -125,6 +103,26 @@ import:
       - runconfig
       - utils
       - volume
+  - package: github.com/mailgun/timetools
+    ref:     fd192d755b00c968d312d23f521eb0cdc6f66bd0
+  - package: github.com/codegangsta/negroni
+    ref:     c7477ad8e330bef55bf1ebe300cf8aa67c492d1b
+  - package: gopkg.in/yaml.v2
+    ref:     7ad95dd0798a40da1ccdff6dff35fd177b5edf40
+  - package: github.com/opencontainers/runc
+    ref:     4ab132458fc3e9dbeea624153e0331952dc4c8d5
+    subpackages:
+      - libcontainer/user
+  - package: github.com/gorilla/mux
+    ref:     f15e0c49460fd49eebe2bcc8486b05d1bef68d3a
+  - package: github.com/BurntSushi/ty
+    ref:     6add9cd6ad42d389d6ead1dde60b4ad71e46fd74
+  - package: github.com/elazarl/go-bindata-assetfs
+    ref:     d5cac425555ca5cf00694df246e04f05e6a55150
+  - package: github.com/BurntSushi/toml
+    ref:     bd2bdf7f18f849530ef7a1c29a4290217cab32a1
+  - package: gopkg.in/alecthomas/kingpin.v2
+    ref:     639879d6110b1b0409410c7b737ef0bb18325038
   - package: github.com/docker/libcompose
     ref:     79ef5d150f053a5b12f16b02d8844ed7cf33611a
     subpackages:
@@ -135,13 +133,12 @@ import:
       - utils
   - package: github.com/cenkalti/backoff
     ref:     4dc77674aceaabba2c7e3da25d4c823edfb73f99
+  - package: gopkg.in/fsnotify.v1
+    ref:     96c060f6a6b7e0d6f75fddd10efeaca3e5d1bcb0
+  - package: github.com/mailgun/manners
+    ref:     37136f736785d7c6aa3b9a27b4b2dd1028ca6d79
   - package: github.com/gorilla/context
     ref:     215affda49addc4c8ef7e2534915df2c8c35c6cd
-  - package: github.com/docker/libkv
-    ref:     3732f7ff1b56057c3158f10bceb1e79133025373
   - package: github.com/codahale/hdrhistogram
     ref:     954f16e8b9ef0e5d5189456aa4c1202758e04f17
-  - package: github.com/mailgun/predicate
-    ref:     cb0bff91a7ab7cf7571e661ff883fc997bc554a3
-  - package: github.com/gorilla/mux
-    ref:     f15e0c49460fd49eebe2bcc8486b05d1bef68d3a
+  - package: github.com/gorilla/websocket

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/docker_test.go

@@ -1,15 +1,140 @@
 package main
 
 import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
 	"net/http"
 	"os"
 	"os/exec"
 	"time"
 
+	"github.com/docker/docker/opts"
+	"github.com/docker/docker/pkg/namesgenerator"
+	"github.com/fsouza/go-dockerclient"
 	checker "github.com/vdemeester/shakers"
 	check "gopkg.in/check.v1"
 )
 
+var (
+	// Label added to started container to identify them as part of the integration test
+	TestLabel = "io.traefik.test"
+
+	// Images to have or pull before the build in order to make it work
+	// FIXME handle this offline but loading them before build
+	RequiredImages = map[string]string{
+		"swarm": "1.0.0",
+		"nginx": "1",
+	}
+)
+
+// Docker test suites
+type DockerSuite struct {
+	BaseSuite
+	client *docker.Client
+}
+
+func (s *DockerSuite) startContainer(c *check.C, image string, args ...string) string {
+	return s.startContainerWithConfig(c, docker.CreateContainerOptions{
+		Config: &docker.Config{
+			Image: image,
+			Cmd:   args,
+		},
+	})
+}
+
+func (s *DockerSuite) startContainerWithLabels(c *check.C, image string, labels map[string]string, args ...string) string {
+	return s.startContainerWithConfig(c, docker.CreateContainerOptions{
+		Config: &docker.Config{
+			Image:  image,
+			Cmd:    args,
+			Labels: labels,
+		},
+	})
+}
+
+func (s *DockerSuite) startContainerWithConfig(c *check.C, config docker.CreateContainerOptions) string {
+	if config.Name == "" {
+		config.Name = namesgenerator.GetRandomName(10)
+	}
+	if config.Config.Labels == nil {
+		config.Config.Labels = map[string]string{}
+	}
+	config.Config.Labels[TestLabel] = "true"
+
+	container, err := s.client.CreateContainer(config)
+	c.Assert(err, checker.IsNil, check.Commentf("Error creating a container using config %v", config))
+
+	err = s.client.StartContainer(container.ID, &docker.HostConfig{})
+	c.Assert(err, checker.IsNil, check.Commentf("Error starting container %v", container))
+
+	return container.Name
+}
+
+func (s *DockerSuite) SetUpSuite(c *check.C) {
+	dockerHost := os.Getenv("DOCKER_HOST")
+	if dockerHost == "" {
+		// FIXME Handle windows -- see if dockerClient already handle that or not
+		dockerHost = fmt.Sprintf("unix://%s", opts.DefaultUnixSocket)
+	}
+	// Make sure we can speak to docker
+	dockerClient, err := docker.NewClient(dockerHost)
+	c.Assert(err, checker.IsNil, check.Commentf("Error connecting to docker daemon"))
+
+	s.client = dockerClient
+	c.Assert(s.client.Ping(), checker.IsNil)
+
+	// Pull required images
+	for repository, tag := range RequiredImages {
+		image := fmt.Sprintf("%s:%s", repository, tag)
+		_, err := s.client.InspectImage(image)
+		if err != nil {
+			if err != docker.ErrNoSuchImage {
+				c.Fatalf("Error while inspect image %s", image)
+			}
+			err = s.client.PullImage(docker.PullImageOptions{
+				Repository: repository,
+				Tag:        tag,
+			}, docker.AuthConfiguration{})
+			c.Assert(err, checker.IsNil, check.Commentf("Error while pulling image %s", image))
+		}
+	}
+}
+
+func (s *DockerSuite) cleanContainers(c *check.C) {
+	// Clean the mess, a.k.a. the running containers with the right label
+	containerList, err := s.client.ListContainers(docker.ListContainersOptions{
+		Filters: map[string][]string{
+			"label": {fmt.Sprintf("%s=true", TestLabel)},
+		},
+	})
+	c.Assert(err, checker.IsNil, check.Commentf("Error listing containers started by traefik"))
+
+	for _, container := range containerList {
+		err = s.client.KillContainer(docker.KillContainerOptions{
+			ID: container.ID,
+		})
+		c.Assert(err, checker.IsNil, check.Commentf("Error killing container %v", container))
+		if os.Getenv("CIRCLECI") == "" {
+			// On circleci, we won't delete them — it errors out for now >_<
+			err = s.client.RemoveContainer(docker.RemoveContainerOptions{
+				ID:            container.ID,
+				RemoveVolumes: true,
+			})
+			c.Assert(err, checker.IsNil, check.Commentf("Error removing container %v", container))
+		}
+	}
+}
+
+func (s *DockerSuite) TearDownTest(c *check.C) {
+	s.cleanContainers(c)
+}
+
+func (s *DockerSuite) TearDownSuite(c *check.C) {
+	// Call cleanContainers, just in case (?)
+	// s.cleanContainers(c)
+}
+
 func (s *DockerSuite) TestSimpleConfiguration(c *check.C) {
 	file := s.adaptFileForHost(c, "fixtures/docker/simple.toml")
 	defer os.Remove(file)
@@ -17,15 +142,110 @@ func (s *DockerSuite) TestSimpleConfiguration(c *check.C) {
 	cmd := exec.Command(traefikBinary, file)
 	err := cmd.Start()
 	c.Assert(err, checker.IsNil)
+	defer cmd.Process.Kill()
 
 	time.Sleep(500 * time.Millisecond)
 	// TODO validate : run on 80
 	resp, err := http.Get("http://127.0.0.1/")
 
+	c.Assert(err, checker.IsNil)
 	// Expected a 404 as we did not comfigure anything
+	c.Assert(resp.StatusCode, checker.Equals, 404)
+}
+
+func (s *DockerSuite) TestDefaultDockerContainers(c *check.C) {
+	file := s.adaptFileForHost(c, "fixtures/docker/simple.toml")
+	defer os.Remove(file)
+	name := s.startContainer(c, "swarm:1.0.0", "manage", "token://blablabla")
+
+	// Start traefik
+	cmd := exec.Command(traefikBinary, file)
+	err := cmd.Start()
+	c.Assert(err, checker.IsNil)
+	defer cmd.Process.Kill()
+
+	// FIXME Need to wait than 500 milliseconds more (for swarm or traefik to boot up ?)
+	time.Sleep(1500 * time.Millisecond)
+
+	client := &http.Client{}
+	req, err := http.NewRequest("GET", "http://127.0.0.1/version", nil)
+	c.Assert(err, checker.IsNil)
+	req.Host = fmt.Sprintf("%s.docker.localhost", name)
+	resp, err := client.Do(req)
+
+	c.Assert(err, checker.IsNil)
+	c.Assert(resp.StatusCode, checker.Equals, 200)
+
+	body, err := ioutil.ReadAll(resp.Body)
+	c.Assert(err, checker.IsNil)
+
+	var version map[string]interface{}
+
+	c.Assert(json.Unmarshal(body, &version), checker.IsNil)
+	c.Assert(version["Version"], checker.Equals, "swarm/1.0.0")
+}
+
+func (s *DockerSuite) TestDockerContainersWithLabels(c *check.C) {
+	file := s.adaptFileForHost(c, "fixtures/docker/simple.toml")
+	defer os.Remove(file)
+	// Start a container with some labels
+	labels := map[string]string{
+		"traefik.frontend.rule":  "Host",
+		"traefik.frontend.value": "my.super.host",
+	}
+	s.startContainerWithLabels(c, "swarm:1.0.0", labels, "manage", "token://blabla")
+
+	// Start traefik
+	cmd := exec.Command(traefikBinary, file)
+	err := cmd.Start()
+	c.Assert(err, checker.IsNil)
+	defer cmd.Process.Kill()
+
+	// FIXME Need to wait than 500 milliseconds more (for swarm or traefik to boot up ?)
+	time.Sleep(1500 * time.Millisecond)
+
+	client := &http.Client{}
+	req, err := http.NewRequest("GET", "http://127.0.0.1/version", nil)
+	c.Assert(err, checker.IsNil)
+	req.Host = fmt.Sprintf("my.super.host")
+	resp, err := client.Do(req)
+
+	c.Assert(err, checker.IsNil)
+	c.Assert(resp.StatusCode, checker.Equals, 200)
+
+	body, err := ioutil.ReadAll(resp.Body)
+	c.Assert(err, checker.IsNil)
+
+	var version map[string]interface{}
+
+	c.Assert(json.Unmarshal(body, &version), checker.IsNil)
+	c.Assert(version["Version"], checker.Equals, "swarm/1.0.0")
+}
+
+func (s *DockerSuite) TestDockerContainersWithOneMissingLabels(c *check.C) {
+	file := s.adaptFileForHost(c, "fixtures/docker/simple.toml")
+	defer os.Remove(file)
+	// Start a container with some labels
+	labels := map[string]string{
+		"traefik.frontend.value": "my.super.host",
+	}
+	s.startContainerWithLabels(c, "swarm:1.0.0", labels, "manage", "token://blabla")
+
+	// Start traefik
+	cmd := exec.Command(traefikBinary, file)
+	err := cmd.Start()
+	c.Assert(err, checker.IsNil)
+	defer cmd.Process.Kill()
+
+	// FIXME Need to wait than 500 milliseconds more (for swarm or traefik to boot up ?)
+	time.Sleep(1500 * time.Millisecond)
+
+	client := &http.Client{}
+	req, err := http.NewRequest("GET", "http://127.0.0.1/version", nil)
+	c.Assert(err, checker.IsNil)
+	req.Host = fmt.Sprintf("my.super.host")
+	resp, err := client.Do(req)
+
 	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

@@ -13,15 +13,27 @@ 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)
-	// TODO validate : run on 80
+	time.Sleep(1000 * time.Millisecond)
+	resp, err := http.Get("http://127.0.0.1/")
+
+	// Expected a 404 as we did not configure anything
+	c.Assert(err, checker.IsNil)
+	c.Assert(resp.StatusCode, checker.Equals, 404)
+}
+
+// #56 regression test, make sure it does not fail
+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(1000 * time.Millisecond)
 	resp, err := http.Get("http://127.0.0.1/")
 
 	// 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/file/56-simple-panic.toml

@@ -0,0 +1,11 @@
+# Reverse proxy port
+#
+# Optional
+# Default: ":80"
+#
+# port = ":80"
+#
+# LogLevel
+logLevel = "DEBUG"
+
+[file]

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 }
 
@@ -44,17 +41,6 @@ func (s *FileSuite) SetUpSuite(c *check.C) {
 	s.composeProject.Up()
 }
 
-// Docker test suites
-type DockerSuite struct{ BaseSuite }
-
-func (s *DockerSuite) SetUpSuite(c *check.C) {
-	// Make sure we can speak to docker
-}
-
-func (s *DockerSuite) TearDownSuite(c *check.C) {
-	// Clean the mess
-}
-
 // Consul test suites (using libcompose)
 type ConsulSuite struct{ BaseSuite }
 

integration/marathon_test.go

@@ -10,18 +10,16 @@ import (
 )
 
 func (s *MarathonSuite) TestSimpleConfiguration(c *check.C) {
-	cmd := exec.Command(traefikBinary, "fixtures/consul/simple.toml")
+	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
 	resp, err := http.Get("http://127.0.0.1/")
 
-	// Expected a 404 as we did not comfigure anything
+	// 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)
 }

kv.go

@@ -1,195 +0,0 @@
-/*
-Copyright
-*/
-package main
-
-import (
-	"bytes"
-	"github.com/docker/libkv"
-	"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"
-)
-
-type KvProvider struct {
-	Watch     bool
-	Endpoint  string
-	Prefix    string
-	Filename  string
-	StoreType store.Backend
-	kvclient  store.Store
-}
-
-func NewConsulProvider(provider *ConsulProvider) *KvProvider {
-	kvProvider := new(KvProvider)
-	kvProvider.Watch = provider.Watch
-	kvProvider.Endpoint = provider.Endpoint
-	kvProvider.Prefix = provider.Prefix
-	kvProvider.Filename = provider.Filename
-	kvProvider.StoreType = store.CONSUL
-	return kvProvider
-}
-
-func NewEtcdProvider(provider *EtcdProvider) *KvProvider {
-	kvProvider := new(KvProvider)
-	kvProvider.Watch = provider.Watch
-	kvProvider.Endpoint = provider.Endpoint
-	kvProvider.Prefix = provider.Prefix
-	kvProvider.Filename = provider.Filename
-	kvProvider.StoreType = store.ETCD
-	return kvProvider
-}
-
-func NewZkProvider(provider *ZookepperProvider) *KvProvider {
-	kvProvider := new(KvProvider)
-	kvProvider.Watch = provider.Watch
-	kvProvider.Endpoint = provider.Endpoint
-	kvProvider.Prefix = provider.Prefix
-	kvProvider.Filename = provider.Filename
-	kvProvider.StoreType = store.ZK
-	return kvProvider
-}
-
-func NewBoltDbProvider(provider *BoltDbProvider) *KvProvider {
-	kvProvider := new(KvProvider)
-	kvProvider.Watch = provider.Watch
-	kvProvider.Endpoint = provider.Endpoint
-	kvProvider.Prefix = provider.Prefix
-	kvProvider.Filename = provider.Filename
-	kvProvider.StoreType = store.BOLTDB
-	return kvProvider
-}
-
-func (provider *KvProvider) provide(configurationChan chan<- configMessage) error {
-	switch provider.StoreType {
-	case store.CONSUL:
-		consul.Register()
-	case store.ETCD:
-		etcd.Register()
-	case store.ZK:
-		zookeeper.Register()
-	case store.BOLTDB:
-		boltdb.Register()
-	default:
-		return errors.New("Invalid kv store: " + string(provider.StoreType))
-	}
-	kv, err := libkv.NewStore(
-		provider.StoreType,
-		[]string{provider.Endpoint},
-		&store.Config{
-			ConnectionTimeout: 30 * time.Second,
-		},
-	)
-	if err != nil {
-		return err
-	}
-	if _, err := kv.List(""); err != nil {
-		return err
-	}
-	provider.kvclient = kv
-	if provider.Watch {
-		stopCh := make(chan struct{})
-		chanKeys, err := kv.WatchTree(provider.Prefix, stopCh)
-		if err != nil {
-			return err
-		}
-		go func() {
-			for {
-				<-chanKeys
-				configuration := provider.loadConfig()
-				if configuration != nil {
-					configurationChan <- configMessage{string(provider.StoreType), configuration}
-				}
-				defer close(stopCh)
-			}
-		}()
-	}
-	configuration := provider.loadConfig()
-	configurationChan <- configMessage{string(provider.StoreType), configuration}
-	return nil
-}
-
-func (provider *KvProvider) loadConfig() *Configuration {
-	configuration := new(Configuration)
-	templateObjects := struct {
-		Prefix string
-	}{
-		provider.Prefix,
-	}
-	var KvFuncMap = template.FuncMap{
-		"List": func(keys ...string) []string {
-			joinedKeys := strings.Join(keys, "")
-			keysPairs, err := provider.kvclient.List(joinedKeys)
-			if err != nil {
-				log.Error("Error getting keys: ", joinedKeys, err)
-				return nil
-			}
-			directoryKeys := make(map[string]string)
-			for _, key := range keysPairs {
-				directory := strings.Split(strings.TrimPrefix(key.Key, strings.TrimPrefix(joinedKeys, "/")), "/")[0]
-				directoryKeys[directory] = joinedKeys + directory
-			}
-			return fun.Values(directoryKeys).([]string)
-		},
-		"Get": func(keys ...string) string {
-			joinedKeys := strings.Join(keys, "")
-			keyPair, err := provider.kvclient.Get(joinedKeys)
-			if err != nil {
-				log.Debug("Error getting key: ", joinedKeys, err)
-				return ""
-			} else if keyPair == nil {
-				return ""
-			}
-			return string(keyPair.Value)
-		},
-		"Last": func(key string) string {
-			splittedKey := strings.Split(key, "/")
-			return splittedKey[len(splittedKey)-1]
-		},
-	}
-
-	tmpl := template.New(provider.Filename).Funcs(KvFuncMap)
-	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/kv.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 kv template:", err)
-		return nil
-	}
-
-	if _, err := toml.Decode(buffer.String(), configuration); err != nil {
-		log.Error("Error creating kv configuration:", err)
-		log.Error(buffer.String())
-		return nil
-	}
-
-	return configuration
-}

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

@@ -0,0 +1,52 @@
+package middlewares
+
+import (
+	"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,
+	}
+	return &wu
+}
+
+func (u *WebsocketUpgrader) ServeHTTP(w http.ResponseWriter, req *http.Request) {
+	// If request is websocket, serve with golang websocket server to do protocol handshake
+	if strings.Join(req.Header["Upgrade"], "") == "websocket" {
+		start := time.Now().UTC()
+		url, err := u.rr.NextServer()
+		if err != nil {
+			log.Errorf("Can't round robin in websocket middleware")
+			return
+		}
+		log.Debugf("Websocket forward to %s", url.String())
+		NewProxy(url).ServeHTTP(w, req)
+
+		if req.TLS != nil {
+			log.Debugf("Round trip: %v, duration: %v tls:version: %x, tls:resume:%t, tls:csuite:%x, tls:server:%v",
+				req.URL, time.Now().UTC().Sub(start),
+				req.TLS.Version,
+				req.TLS.DidResume,
+				req.TLS.CipherSuite,
+				req.TLS.ServerName)
+		} else {
+			log.Debugf("Round trip: %v, duration: %v",
+				req.URL, time.Now().UTC().Sub(start))
+		}
+
+		return
+	}
+	u.rr.ServeHTTP(w, req)
+}

middlewares/websocketproxy.go

@@ -0,0 +1,179 @@
+package middlewares
+
+import (
+	"io"
+	"net"
+	"net/http"
+	"net/url"
+	"strings"
+
+	log "github.com/Sirupsen/logrus"
+	"github.com/gorilla/websocket"
+)
+
+// Original developpement made by https://github.com/koding/websocketproxy
+var (
+	// DefaultUpgrader specifies the parameters for upgrading an HTTP
+	// connection to a WebSocket connection.
+	DefaultUpgrader = &websocket.Upgrader{
+		ReadBufferSize:  1024,
+		WriteBufferSize: 1024,
+	}
+
+	// DefaultDialer is a dialer with all fields set to the default zero values.
+	DefaultDialer = websocket.DefaultDialer
+)
+
+// WebsocketProxy is an HTTP Handler that takes an incoming WebSocket
+// connection and proxies it to another server.
+type WebsocketProxy struct {
+	// Backend returns the backend URL which the proxy uses to reverse proxy
+	// the incoming WebSocket connection. Request is the initial incoming and
+	// unmodified request.
+	Backend func(*http.Request) *url.URL
+
+	// Upgrader specifies the parameters for upgrading a incoming HTTP
+	// connection to a WebSocket connection. If nil, DefaultUpgrader is used.
+	Upgrader *websocket.Upgrader
+
+	//  Dialer contains options for connecting to the backend WebSocket server.
+	//  If nil, DefaultDialer is used.
+	Dialer *websocket.Dialer
+}
+
+// ProxyHandler returns a new http.Handler interface that reverse proxies the
+// request to the given target.
+func ProxyHandler(target *url.URL) http.Handler {
+	return http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
+		NewProxy(target).ServeHTTP(rw, req)
+	})
+}
+
+// NewProxy returns a new Websocket reverse proxy that rewrites the
+// URL's to the scheme, host and base path provider in target.
+func NewProxy(target *url.URL) *WebsocketProxy {
+	backend := func(r *http.Request) *url.URL {
+		// Shallow copy
+		u := *target
+		u.Fragment = r.URL.Fragment
+		u.Path = r.URL.Path
+		u.RawQuery = r.URL.RawQuery
+		rurl := u.String()
+		if strings.HasPrefix(rurl, "http") {
+			u.Scheme = "ws"
+		}
+		if strings.HasPrefix(rurl, "https") {
+			u.Scheme = "wss"
+		}
+		return &u
+	}
+	return &WebsocketProxy{Backend: backend}
+}
+
+// ServeHTTP implements the http.Handler that proxies WebSocket connections.
+func (w *WebsocketProxy) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
+	if w.Backend == nil {
+		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.Errorf("Websocketproxy: backend URL is nil")
+		http.Error(rw, "Backend URL is nil", http.StatusInternalServerError)
+		return
+	}
+
+	dialer := w.Dialer
+	if w.Dialer == nil {
+		dialer = DefaultDialer
+	}
+
+	// Pass headers from the incoming request to the dialer to forward them to
+	// the final destinations.
+	requestHeader := http.Header{}
+	requestHeader.Add("Origin", req.Header.Get("Origin"))
+	for _, prot := range req.Header[http.CanonicalHeaderKey("Sec-WebSocket-Protocol")] {
+		requestHeader.Add("Sec-WebSocket-Protocol", prot)
+	}
+	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
+	// for more information
+	// TODO: use RFC7239 http://tools.ietf.org/html/rfc7239
+	if clientIP, _, err := net.SplitHostPort(req.RemoteAddr); err == nil {
+		// If we aren't the first proxy retain prior
+		// X-Forwarded-For information as a comma+space
+		// separated list and fold multiple headers into one.
+		if prior, ok := req.Header["X-Forwarded-For"]; ok {
+			clientIP = strings.Join(prior, ", ") + ", " + clientIP
+		}
+		requestHeader.Set("X-Forwarded-For", clientIP)
+	}
+
+	// Set the originating protocol of the incoming HTTP request. The SSL might
+	// be terminated on our site and because we doing proxy adding this would
+	// be helpful for applications on the backend.
+	requestHeader.Set("X-Forwarded-Proto", "http")
+	if req.TLS != nil {
+		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(), requestHeader)
+	if err != nil {
+		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()
+
+	upgrader := w.Upgrader
+	if w.Upgrader == nil {
+		upgrader = DefaultUpgrader
+	}
+
+	// Only pass those headers to the upgrader.
+	upgradeHeader := http.Header{}
+	upgradeHeader.Set("Sec-WebSocket-Protocol",
+		resp.Header.Get(http.CanonicalHeaderKey("Sec-WebSocket-Protocol")))
+	upgradeHeader.Set("Set-Cookie",
+		resp.Header.Get(http.CanonicalHeaderKey("Set-Cookie")))
+
+	// Now upgrade the existing incoming request to a WebSocket connection.
+	// Also pass the header that we gathered from the Dial handshake.
+	connPub, err := upgrader.Upgrade(rw, req, upgradeHeader)
+	if err != nil {
+		log.Errorf("Websocketproxy: couldn't upgrade %s", err)
+		http.NotFound(rw, req)
+		return
+	}
+	defer connPub.Close()
+
+	errc := make(chan error, 2)
+	cp := func(dst io.Writer, src io.Reader) {
+		_, err := io.Copy(dst, src)
+		errc <- err
+	}
+
+	// Start our proxy now, everything is ready...
+	go cp(connBackend.UnderlyingConn(), connPub.UnderlyingConn())
+	go cp(connPub.UnderlyingConn(), connBackend.UnderlyingConn())
+	<-errc
+}

provider.go

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

provider/boltdb.go

@@ -0,0 +1,20 @@
+package provider
+
+import (
+	"github.com/docker/libkv/store"
+	"github.com/docker/libkv/store/boltdb"
+	"github.com/emilevauge/traefik/types"
+)
+
+// BoltDb holds configurations of the BoltDb provider.
+type BoltDb struct {
+	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.StoreType = store.BOLTDB
+	boltdb.Register()
+	return provider.provide(configurationChan)
+}

provider/consul.go

@@ -0,0 +1,20 @@
+package provider
+
+import (
+	"github.com/docker/libkv/store"
+	"github.com/docker/libkv/store/consul"
+	"github.com/emilevauge/traefik/types"
+)
+
+// Consul holds configurations of the Consul provider.
+type Consul struct {
+	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.StoreType = store.CONSUL
+	consul.Register()
+	return provider.provide(configurationChan)
+}

provider/docker.go

@@ -0,0 +1,272 @@
+package provider
+
+import (
+	"errors"
+	"fmt"
+	"strconv"
+	"strings"
+	"text/template"
+	"time"
+
+	"github.com/BurntSushi/ty/fun"
+	log "github.com/Sirupsen/logrus"
+	"github.com/cenkalti/backoff"
+	"github.com/emilevauge/traefik/types"
+	"github.com/fsouza/go-dockerclient"
+)
+
+// Docker holds configurations of the Docker provider.
+type Docker struct {
+	baseProvider
+	Endpoint string
+	Domain   string
+	TLS      *DockerTLS
+}
+
+// DockerTLS holds TLS specific configurations
+type DockerTLS struct {
+	CA                 string
+	Cert               string
+	Key                string
+	InsecureSkipVerify bool
+}
+
+// Provide allows the provider to provide configurations to traefik
+// using the given configuration channel.
+func (provider *Docker) Provide(configurationChan chan<- types.ConfigMessage) error {
+
+	var dockerClient *docker.Client
+	var err error
+
+	if provider.TLS != nil {
+		dockerClient, err = docker.NewTLSClient(provider.Endpoint,
+			provider.TLS.Cert, provider.TLS.Key, provider.TLS.CA)
+		if err == nil {
+			dockerClient.TLSConfig.InsecureSkipVerify = provider.TLS.InsecureSkipVerify
+		}
+	} else {
+		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(listContainers(dockerClient))
+						if configuration != nil {
+							configurationChan <- types.ConfigMessage{
+								ProviderName:  "docker",
+								Configuration: 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(listContainers(dockerClient))
+	configurationChan <- types.ConfigMessage{
+		ProviderName:  "docker",
+		Configuration: configuration,
+	}
+	return nil
+}
+
+func (provider *Docker) loadDockerConfig(containersInspected []docker.Container) *types.Configuration {
+	var DockerFuncMap = template.FuncMap{
+		"getBackend":        provider.getBackend,
+		"getPort":           provider.getPort,
+		"getWeight":         provider.getWeight,
+		"getDomain":         provider.getDomain,
+		"getProtocol":       provider.getProtocol,
+		"getPassHostHeader": provider.getPassHostHeader,
+		"getFrontendValue":  provider.getFrontendValue,
+		"getFrontendRule":   provider.getFrontendRule,
+		"replace":           replace,
+	}
+
+	// filter containers
+	filteredContainers := fun.Filter(containerFilter, containersInspected).([]docker.Container)
+
+	frontends := map[string][]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,
+	}
+
+	configuration, err := provider.getConfiguration("templates/docker.tmpl", DockerFuncMap, templateObjects)
+	if err != nil {
+		log.Error(err)
+	}
+	return configuration
+}
+
+func containerFilter(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
+	}
+
+	labels, err := getLabels(container, []string{"traefik.frontend.rule", "traefik.frontend.value"})
+	if len(labels) != 0 && err != nil {
+		log.Debugf("Filtering bad labeled container %s", container.Name)
+		return false
+	}
+
+	return true
+}
+
+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))
+	frontendName = strings.Replace(frontendName, "[", "", -1)
+	frontendName = strings.Replace(frontendName, "]", "", -1)
+
+	return strings.Replace(frontendName, ".", "-", -1)
+}
+
+// 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 := getLabel(container, "traefik.frontend.value"); err == nil {
+		return label
+	}
+	return 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 := getLabel(container, "traefik.frontend.rule"); err == nil {
+		return label
+	}
+	return "Host"
+}
+
+func (provider *Docker) getBackend(container docker.Container) string {
+	if label, err := getLabel(container, "traefik.backend"); err == nil {
+		return label
+	}
+	return getEscapedName(container.Name)
+}
+
+func (provider *Docker) getPort(container docker.Container) string {
+	if label, err := getLabel(container, "traefik.port"); err == nil {
+		return label
+	}
+	for key := range container.NetworkSettings.Ports {
+		return key.Port()
+	}
+	return ""
+}
+
+func (provider *Docker) getWeight(container docker.Container) string {
+	if label, err := getLabel(container, "traefik.weight"); err == nil {
+		return label
+	}
+	return "0"
+}
+
+func (provider *Docker) getDomain(container docker.Container) string {
+	if label, err := getLabel(container, "traefik.domain"); err == nil {
+		return label
+	}
+	return provider.Domain
+}
+
+func (provider *Docker) getProtocol(container docker.Container) string {
+	if label, err := getLabel(container, "traefik.protocol"); err == nil {
+		return label
+	}
+	return "http"
+}
+
+func (provider *Docker) getPassHostHeader(container docker.Container) string {
+	if passHostHeader, err := getLabel(container, "traefik.frontend.passHostHeader"); err == nil {
+		return passHostHeader
+	}
+	return "false"
+}
+
+func 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 getLabels(container docker.Container, labels []string) (map[string]string, error) {
+	var globalErr error
+	foundLabels := map[string]string{}
+	for _, label := range labels {
+		foundLabel, err := getLabel(container, label)
+		// Error out only if one of them is defined.
+		if err != nil {
+			globalErr = errors.New("Label not found: " + label)
+			continue
+		}
+		foundLabels[label] = foundLabel
+
+	}
+	return foundLabels, globalErr
+}
+
+func listContainers(dockerClient *docker.Client) []docker.Container {
+	containerList, _ := dockerClient.ListContainers(docker.ListContainersOptions{})
+	containersInspected := []docker.Container{}
+
+	// get inspect containers
+	for _, container := range containerList {
+		containerInspected, _ := dockerClient.InspectContainer(container.ID)
+		containersInspected = append(containersInspected, *containerInspected)
+	}
+	return containersInspected
+}

provider/docker_test.go

@@ -0,0 +1,788 @@
+package provider
+
+import (
+	"reflect"
+	"strings"
+	"testing"
+
+	"github.com/emilevauge/traefik/types"
+	"github.com/fsouza/go-dockerclient"
+)
+
+func TestDockerGetFrontendName(t *testing.T) {
+	provider := &Docker{
+		Domain: "docker.localhost",
+	}
+
+	containers := []struct {
+		container docker.Container
+		expected  string
+	}{
+		{
+			container: docker.Container{
+				Name:   "foo",
+				Config: &docker.Config{},
+			},
+			expected: "Host-foo-docker-localhost",
+		},
+		{
+			container: docker.Container{
+				Name: "bar",
+				Config: &docker.Config{
+					Labels: map[string]string{
+						"traefik.frontend.rule": "Header",
+					},
+				},
+			},
+			expected: "Header-bar-docker-localhost",
+		},
+		{
+			container: docker.Container{
+				Name: "test",
+				Config: &docker.Config{
+					Labels: map[string]string{
+						"traefik.frontend.value": "foo.bar",
+					},
+				},
+			},
+			expected: "Host-foo-bar",
+		},
+		{
+			container: docker.Container{
+				Name: "test",
+				Config: &docker.Config{
+					Labels: map[string]string{
+						"traefik.frontend.value": "foo.bar",
+						"traefik.frontend.rule":  "Header",
+					},
+				},
+			},
+			expected: "Header-foo-bar",
+		},
+		{
+			container: docker.Container{
+				Name: "test",
+				Config: &docker.Config{
+					Labels: map[string]string{
+						"traefik.frontend.value": "[foo.bar]",
+						"traefik.frontend.rule":  "Header",
+					},
+				},
+			},
+			expected: "Header-foo-bar",
+		},
+	}
+
+	for _, e := range containers {
+		actual := provider.getFrontendName(e.container)
+		if actual != e.expected {
+			t.Fatalf("expected %q, got %q", e.expected, actual)
+		}
+	}
+}
+
+func TestDockerGetFrontendValue(t *testing.T) {
+	provider := &Docker{
+		Domain: "docker.localhost",
+	}
+
+	containers := []struct {
+		container docker.Container
+		expected  string
+	}{
+		{
+			container: docker.Container{
+				Name:   "foo",
+				Config: &docker.Config{},
+			},
+			expected: "foo.docker.localhost",
+		},
+		{
+			container: docker.Container{
+				Name:   "bar",
+				Config: &docker.Config{},
+			},
+			expected: "bar.docker.localhost",
+		},
+		{
+			container: docker.Container{
+				Name: "test",
+				Config: &docker.Config{
+					Labels: map[string]string{
+						"traefik.frontend.value": "foo.bar",
+					},
+				},
+			},
+			expected: "foo.bar",
+		},
+	}
+
+	for _, e := range containers {
+		actual := provider.getFrontendValue(e.container)
+		if actual != e.expected {
+			t.Fatalf("expected %q, got %q", e.expected, actual)
+		}
+	}
+}
+
+func TestDockerGetFrontendRule(t *testing.T) {
+	provider := &Docker{}
+
+	containers := []struct {
+		container docker.Container
+		expected  string
+	}{
+		{
+			container: docker.Container{
+				Name:   "foo",
+				Config: &docker.Config{},
+			},
+			expected: "Host",
+		},
+		{
+			container: docker.Container{
+				Name: "test",
+				Config: &docker.Config{
+					Labels: map[string]string{
+						"traefik.frontend.rule": "foo",
+					},
+				},
+			},
+			expected: "foo",
+		},
+	}
+
+	for _, e := range containers {
+		actual := provider.getFrontendRule(e.container)
+		if actual != e.expected {
+			t.Fatalf("expected %q, got %q", e.expected, actual)
+		}
+	}
+}
+
+func TestDockerGetBackend(t *testing.T) {
+	provider := &Docker{}
+
+	containers := []struct {
+		container docker.Container
+		expected  string
+	}{
+		{
+			container: docker.Container{
+				Name:   "foo",
+				Config: &docker.Config{},
+			},
+			expected: "foo",
+		},
+		{
+			container: docker.Container{
+				Name:   "bar",
+				Config: &docker.Config{},
+			},
+			expected: "bar",
+		},
+		{
+			container: docker.Container{
+				Name: "test",
+				Config: &docker.Config{
+					Labels: map[string]string{
+						"traefik.backend": "foobar",
+					},
+				},
+			},
+			expected: "foobar",
+		},
+	}
+
+	for _, e := range containers {
+		actual := provider.getBackend(e.container)
+		if actual != e.expected {
+			t.Fatalf("expected %q, got %q", e.expected, actual)
+		}
+	}
+}
+
+func TestDockerGetPort(t *testing.T) {
+	provider := &Docker{}
+
+	containers := []struct {
+		container docker.Container
+		expected  string
+	}{
+		{
+			container: docker.Container{
+				Name:            "foo",
+				Config:          &docker.Config{},
+				NetworkSettings: &docker.NetworkSettings{},
+			},
+			expected: "",
+		},
+		{
+			container: docker.Container{
+				Name:   "bar",
+				Config: &docker.Config{},
+				NetworkSettings: &docker.NetworkSettings{
+					Ports: map[docker.Port][]docker.PortBinding{
+						"80/tcp": {},
+					},
+				},
+			},
+			expected: "80",
+		},
+		// FIXME handle this better..
+		// {
+		// 	container: docker.Container{
+		// 		Name:   "bar",
+		// 		Config: &docker.Config{},
+		// 		NetworkSettings: &docker.NetworkSettings{
+		// 			Ports: map[docker.Port][]docker.PortBinding{
+		// 				"80/tcp":  []docker.PortBinding{},
+		// 				"443/tcp": []docker.PortBinding{},
+		// 			},
+		// 		},
+		// 	},
+		// 	expected: "80",
+		// },
+		{
+			container: docker.Container{
+				Name: "test",
+				Config: &docker.Config{
+					Labels: map[string]string{
+						"traefik.port": "8080",
+					},
+				},
+				NetworkSettings: &docker.NetworkSettings{
+					Ports: map[docker.Port][]docker.PortBinding{
+						"80/tcp": {},
+					},
+				},
+			},
+			expected: "8080",
+		},
+	}
+
+	for _, e := range containers {
+		actual := provider.getPort(e.container)
+		if actual != e.expected {
+			t.Fatalf("expected %q, got %q", e.expected, actual)
+		}
+	}
+}
+
+func TestDockerGetWeight(t *testing.T) {
+	provider := &Docker{}
+
+	containers := []struct {
+		container docker.Container
+		expected  string
+	}{
+		{
+			container: docker.Container{
+				Name:   "foo",
+				Config: &docker.Config{},
+			},
+			expected: "0",
+		},
+		{
+			container: docker.Container{
+				Name: "test",
+				Config: &docker.Config{
+					Labels: map[string]string{
+						"traefik.weight": "10",
+					},
+				},
+			},
+			expected: "10",
+		},
+	}
+
+	for _, e := range containers {
+		actual := provider.getWeight(e.container)
+		if actual != e.expected {
+			t.Fatalf("expected %q, got %q", e.expected, actual)
+		}
+	}
+}
+
+func TestDockerGetDomain(t *testing.T) {
+	provider := &Docker{
+		Domain: "docker.localhost",
+	}
+
+	containers := []struct {
+		container docker.Container
+		expected  string
+	}{
+		{
+			container: docker.Container{
+				Name:   "foo",
+				Config: &docker.Config{},
+			},
+			expected: "docker.localhost",
+		},
+		{
+			container: docker.Container{
+				Name: "test",
+				Config: &docker.Config{
+					Labels: map[string]string{
+						"traefik.domain": "foo.bar",
+					},
+				},
+			},
+			expected: "foo.bar",
+		},
+	}
+
+	for _, e := range containers {
+		actual := provider.getDomain(e.container)
+		if actual != e.expected {
+			t.Fatalf("expected %q, got %q", e.expected, actual)
+		}
+	}
+}
+
+func TestDockerGetProtocol(t *testing.T) {
+	provider := &Docker{}
+
+	containers := []struct {
+		container docker.Container
+		expected  string
+	}{
+		{
+			container: docker.Container{
+				Name:   "foo",
+				Config: &docker.Config{},
+			},
+			expected: "http",
+		},
+		{
+			container: docker.Container{
+				Name: "test",
+				Config: &docker.Config{
+					Labels: map[string]string{
+						"traefik.protocol": "https",
+					},
+				},
+			},
+			expected: "https",
+		},
+	}
+
+	for _, e := range containers {
+		actual := provider.getProtocol(e.container)
+		if actual != e.expected {
+			t.Fatalf("expected %q, got %q", e.expected, actual)
+		}
+	}
+}
+
+func TestDockerGetPassHostHeader(t *testing.T) {
+	provider := &Docker{}
+
+	containers := []struct {
+		container docker.Container
+		expected  string
+	}{
+		{
+			container: docker.Container{
+				Name:   "foo",
+				Config: &docker.Config{},
+			},
+			expected: "false",
+		},
+		{
+			container: docker.Container{
+				Name: "test",
+				Config: &docker.Config{
+					Labels: map[string]string{
+						"traefik.frontend.passHostHeader": "true",
+					},
+				},
+			},
+			expected: "true",
+		},
+	}
+
+	for _, e := range containers {
+		actual := provider.getPassHostHeader(e.container)
+		if actual != e.expected {
+			t.Fatalf("expected %q, got %q", e.expected, actual)
+		}
+	}
+}
+
+func TestDockerGetLabel(t *testing.T) {
+	containers := []struct {
+		container docker.Container
+		expected  string
+	}{
+		{
+			container: docker.Container{
+				Config: &docker.Config{},
+			},
+			expected: "Label not found:",
+		},
+		{
+			container: docker.Container{
+				Config: &docker.Config{
+					Labels: map[string]string{
+						"foo": "bar",
+					},
+				},
+			},
+			expected: "",
+		},
+	}
+
+	for _, e := range containers {
+		label, err := getLabel(e.container, "foo")
+		if e.expected != "" {
+			if err == nil || !strings.Contains(err.Error(), e.expected) {
+				t.Fatalf("expected an error with %q, got %v", e.expected, err)
+			}
+		} else {
+			if label != "bar" {
+				t.Fatalf("expected label 'bar', got %s", label)
+			}
+		}
+	}
+}
+
+func TestDockerGetLabels(t *testing.T) {
+	containers := []struct {
+		container      docker.Container
+		expectedLabels map[string]string
+		expectedError  string
+	}{
+		{
+			container: docker.Container{
+				Config: &docker.Config{},
+			},
+			expectedLabels: map[string]string{},
+			expectedError:  "Label not found:",
+		},
+		{
+			container: docker.Container{
+				Config: &docker.Config{
+					Labels: map[string]string{
+						"foo": "fooz",
+					},
+				},
+			},
+			expectedLabels: map[string]string{
+				"foo": "fooz",
+			},
+			expectedError: "Label not found: bar",
+		},
+		{
+			container: docker.Container{
+				Config: &docker.Config{
+					Labels: map[string]string{
+						"foo": "fooz",
+						"bar": "barz",
+					},
+				},
+			},
+			expectedLabels: map[string]string{
+				"foo": "fooz",
+				"bar": "barz",
+			},
+			expectedError: "",
+		},
+	}
+
+	for _, e := range containers {
+		labels, err := getLabels(e.container, []string{"foo", "bar"})
+		if !reflect.DeepEqual(labels, e.expectedLabels) {
+			t.Fatalf("expect %v, got %v", e.expectedLabels, labels)
+		}
+		if e.expectedError != "" {
+			if err == nil || !strings.Contains(err.Error(), e.expectedError) {
+				t.Fatalf("expected an error with %q, got %v", e.expectedError, err)
+			}
+		}
+	}
+}
+
+func TestDockerTraefikFilter(t *testing.T) {
+	containers := []struct {
+		container docker.Container
+		expected  bool
+	}{
+		{
+			container: docker.Container{
+				Config:          &docker.Config{},
+				NetworkSettings: &docker.NetworkSettings{},
+			},
+			expected: false,
+		},
+		{
+			container: docker.Container{
+				Config: &docker.Config{
+					Labels: map[string]string{
+						"traefik.enable": "false",
+					},
+				},
+				NetworkSettings: &docker.NetworkSettings{
+					Ports: map[docker.Port][]docker.PortBinding{
+						"80/tcp": {},
+					},
+				},
+			},
+			expected: false,
+		},
+		{
+			container: docker.Container{
+				Config: &docker.Config{
+					Labels: map[string]string{
+						"traefik.frontend.rule": "Host",
+					},
+				},
+				NetworkSettings: &docker.NetworkSettings{
+					Ports: map[docker.Port][]docker.PortBinding{
+						"80/tcp": {},
+					},
+				},
+			},
+			expected: false,
+		},
+		{
+			container: docker.Container{
+				Config: &docker.Config{
+					Labels: map[string]string{
+						"traefik.frontend.value": "foo.bar",
+					},
+				},
+				NetworkSettings: &docker.NetworkSettings{
+					Ports: map[docker.Port][]docker.PortBinding{
+						"80/tcp": {},
+					},
+				},
+			},
+			expected: false,
+		},
+		{
+			container: docker.Container{
+				Config: &docker.Config{},
+				NetworkSettings: &docker.NetworkSettings{
+					Ports: map[docker.Port][]docker.PortBinding{
+						"80/tcp":  {},
+						"443/tcp": {},
+					},
+				},
+			},
+			expected: false,
+		},
+		{
+			container: docker.Container{
+				Config: &docker.Config{},
+				NetworkSettings: &docker.NetworkSettings{
+					Ports: map[docker.Port][]docker.PortBinding{
+						"80/tcp": {},
+					},
+				},
+			},
+			expected: true,
+		},
+		{
+			container: docker.Container{
+				Config: &docker.Config{
+					Labels: map[string]string{
+						"traefik.port": "80",
+					},
+				},
+				NetworkSettings: &docker.NetworkSettings{
+					Ports: map[docker.Port][]docker.PortBinding{
+						"80/tcp":  {},
+						"443/tcp": {},
+					},
+				},
+			},
+			expected: true,
+		},
+		{
+			container: docker.Container{
+				Config: &docker.Config{
+					Labels: map[string]string{
+						"traefik.enable": "true",
+					},
+				},
+				NetworkSettings: &docker.NetworkSettings{
+					Ports: map[docker.Port][]docker.PortBinding{
+						"80/tcp": {},
+					},
+				},
+			},
+			expected: true,
+		},
+		{
+			container: docker.Container{
+				Config: &docker.Config{
+					Labels: map[string]string{
+						"traefik.enable": "anything",
+					},
+				},
+				NetworkSettings: &docker.NetworkSettings{
+					Ports: map[docker.Port][]docker.PortBinding{
+						"80/tcp": {},
+					},
+				},
+			},
+			expected: true,
+		},
+		{
+			container: docker.Container{
+				Config: &docker.Config{
+					Labels: map[string]string{
+						"traefik.frontend.rule":  "Host",
+						"traefik.frontend.value": "foo.bar",
+					},
+				},
+				NetworkSettings: &docker.NetworkSettings{
+					Ports: map[docker.Port][]docker.PortBinding{
+						"80/tcp": {},
+					},
+				},
+			},
+			expected: true,
+		},
+	}
+
+	for _, e := range containers {
+		actual := containerFilter(e.container)
+		if actual != e.expected {
+			t.Fatalf("expected %v, got %v", e.expected, actual)
+		}
+	}
+}
+
+func TestDockerLoadDockerConfig(t *testing.T) {
+	cases := []struct {
+		containers        []docker.Container
+		expectedFrontends map[string]*types.Frontend
+		expectedBackends  map[string]*types.Backend
+	}{
+		{
+			containers:        []docker.Container{},
+			expectedFrontends: map[string]*types.Frontend{},
+			expectedBackends:  map[string]*types.Backend{},
+		},
+		{
+			containers: []docker.Container{
+				{
+					Name:   "test",
+					Config: &docker.Config{},
+					NetworkSettings: &docker.NetworkSettings{
+						Ports: map[docker.Port][]docker.PortBinding{
+							"80/tcp": {},
+						},
+						IPAddress: "127.0.0.1",
+					},
+				},
+			},
+			expectedFrontends: map[string]*types.Frontend{
+				`"frontend-Host-test-docker-localhost"`: {
+					Backend: "backend-test",
+					Routes: map[string]types.Route{
+						`"route-frontend-Host-test-docker-localhost"`: {
+							Rule:  "Host",
+							Value: "test.docker.localhost",
+						},
+					},
+				},
+			},
+			expectedBackends: map[string]*types.Backend{
+				"backend-test": {
+					Servers: map[string]types.Server{
+						"server-test": {
+							URL: "http://127.0.0.1:80",
+						},
+					},
+					CircuitBreaker: nil,
+					LoadBalancer:   nil,
+				},
+			},
+		},
+		{
+			containers: []docker.Container{
+				{
+					Name: "test1",
+					Config: &docker.Config{
+						Labels: map[string]string{
+							"traefik.backend": "foobar",
+						},
+					},
+					NetworkSettings: &docker.NetworkSettings{
+						Ports: map[docker.Port][]docker.PortBinding{
+							"80/tcp": {},
+						},
+						IPAddress: "127.0.0.1",
+					},
+				},
+				{
+					Name: "test2",
+					Config: &docker.Config{
+						Labels: map[string]string{
+							"traefik.backend": "foobar",
+						},
+					},
+					NetworkSettings: &docker.NetworkSettings{
+						Ports: map[docker.Port][]docker.PortBinding{
+							"80/tcp": {},
+						},
+						IPAddress: "127.0.0.1",
+					},
+				},
+			},
+			expectedFrontends: map[string]*types.Frontend{
+				`"frontend-Host-test1-docker-localhost"`: {
+					Backend: "backend-foobar",
+					Routes: map[string]types.Route{
+						`"route-frontend-Host-test1-docker-localhost"`: {
+							Rule:  "Host",
+							Value: "test1.docker.localhost",
+						},
+					},
+				},
+				`"frontend-Host-test2-docker-localhost"`: {
+					Backend: "backend-foobar",
+					Routes: map[string]types.Route{
+						`"route-frontend-Host-test2-docker-localhost"`: {
+							Rule:  "Host",
+							Value: "test2.docker.localhost",
+						},
+					},
+				},
+			},
+			expectedBackends: map[string]*types.Backend{
+				"backend-foobar": {
+					Servers: map[string]types.Server{
+						"server-test1": {
+							URL: "http://127.0.0.1:80",
+						},
+						"server-test2": {
+							URL: "http://127.0.0.1:80",
+						},
+					},
+					CircuitBreaker: nil,
+					LoadBalancer:   nil,
+				},
+			},
+		},
+	}
+
+	provider := &Docker{
+		Domain: "docker.localhost",
+	}
+
+	for _, c := range cases {
+		actualConfig := provider.loadDockerConfig(c.containers)
+		// Compare backends
+		if !reflect.DeepEqual(actualConfig.Backends, c.expectedBackends) {
+			t.Fatalf("expected %#v, got %#v", c.expectedBackends, actualConfig.Backends)
+		}
+		if !reflect.DeepEqual(actualConfig.Frontends, c.expectedFrontends) {
+			t.Fatalf("expected %#v, got %#v", c.expectedFrontends, actualConfig.Frontends)
+		}
+	}
+}

provider/etcd.go

@@ -0,0 +1,20 @@
+package provider
+
+import (
+	"github.com/docker/libkv/store"
+	"github.com/docker/libkv/store/etcd"
+	"github.com/emilevauge/traefik/types"
+)
+
+// Etcd holds configurations of the Etcd provider.
+type Etcd struct {
+	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.StoreType = store.ETCD
+	etcd.Register()
+	return provider.provide(configurationChan)
+}

provider/file.go

@@ -1,4 +1,4 @@
-package main
+package provider
 
 import (
 	"os"
@@ -7,15 +7,18 @@ import (
 
 	"github.com/BurntSushi/toml"
 	log "github.com/Sirupsen/logrus"
+	"github.com/emilevauge/traefik/types"
 	"gopkg.in/fsnotify.v1"
 )
 
-type FileProvider struct {
-	Watch    bool
-	Filename string
+// File holds configurations of the File provider.
+type File struct {
+	baseProvider
 }
 
-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 +41,12 @@ 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{
+								ProviderName:  "file",
+								Configuration: configuration,
+							}
 						}
 					}
 				case error := <-watcher.Errors:
@@ -55,13 +61,16 @@ 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{
+		ProviderName:  "file",
+		Configuration: 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

@@ -0,0 +1,130 @@
+// Package provider holds the different provider implementation.
+package provider
+
+import (
+	"strings"
+	"text/template"
+	"time"
+
+	"github.com/BurntSushi/ty/fun"
+	log "github.com/Sirupsen/logrus"
+	"github.com/docker/libkv"
+	"github.com/docker/libkv/store"
+	"github.com/emilevauge/traefik/types"
+	"strconv"
+)
+
+// Kv holds common configurations of key-value providers.
+type Kv struct {
+	baseProvider
+	Endpoint  string
+	Prefix    string
+	StoreType store.Backend
+	kvclient  store.Store
+}
+
+func (provider *Kv) provide(configurationChan chan<- types.ConfigMessage) error {
+	kv, err := libkv.NewStore(
+		provider.StoreType,
+		[]string{provider.Endpoint},
+		&store.Config{
+			ConnectionTimeout: 30 * time.Second,
+			Bucket:            "traefik",
+		},
+	)
+	if err != nil {
+		return err
+	}
+	if _, err := kv.List(""); err != nil {
+		return err
+	}
+	provider.kvclient = kv
+	if provider.Watch {
+		stopCh := make(chan struct{})
+		chanKeys, err := kv.WatchTree(provider.Prefix, stopCh)
+		if err != nil {
+			return err
+		}
+		go func() {
+			for {
+				<-chanKeys
+				configuration := provider.loadConfig()
+				if configuration != nil {
+					configurationChan <- types.ConfigMessage{
+						ProviderName:  string(provider.StoreType),
+						Configuration: configuration,
+					}
+				}
+				defer close(stopCh)
+			}
+		}()
+	}
+	configuration := provider.loadConfig()
+	configurationChan <- types.ConfigMessage{
+		ProviderName:  string(provider.StoreType),
+		Configuration: configuration,
+	}
+	return nil
+}
+
+func (provider *Kv) loadConfig() *types.Configuration {
+	templateObjects := struct {
+		Prefix string
+	}{
+		provider.Prefix,
+	}
+	var KvFuncMap = template.FuncMap{
+		"List":    provider.list,
+		"Get":     provider.get,
+		"GetBool": provider.getBool,
+		"Last":    provider.last,
+	}
+
+	configuration, err := provider.getConfiguration("templates/kv.tmpl", KvFuncMap, templateObjects)
+	if err != nil {
+		log.Error(err)
+	}
+	return configuration
+}
+
+func (provider *Kv) list(keys ...string) []string {
+	joinedKeys := strings.Join(keys, "")
+	keysPairs, err := provider.kvclient.List(joinedKeys)
+	if err != nil {
+		log.Error("Error getting keys: ", joinedKeys, err)
+		return nil
+	}
+	directoryKeys := make(map[string]string)
+	for _, key := range keysPairs {
+		directory := strings.Split(strings.TrimPrefix(key.Key, strings.TrimPrefix(joinedKeys, "/")), "/")[0]
+		directoryKeys[directory] = joinedKeys + directory
+	}
+	return fun.Values(directoryKeys).([]string)
+}
+
+func (provider *Kv) get(keys ...string) string {
+	joinedKeys := strings.Join(keys, "")
+	keyPair, err := provider.kvclient.Get(joinedKeys)
+	if err != nil {
+		log.Error("Error getting key: ", joinedKeys, err)
+		return ""
+	} else if keyPair == nil {
+		return ""
+	}
+	return string(keyPair.Value)
+}
+
+func (provider *Kv) getBool(keys ...string) bool {
+	value := provider.get(keys...)
+	b, err := strconv.ParseBool(string(value))
+	if err != nil {
+		log.Error("Error getting key: ", strings.Join(keys, ""), err)
+		return false
+	}
+	return b
+}
+
+func (provider *Kv) last(key string) string {
+	splittedKey := strings.Split(key, "/")
+	return splittedKey[len(splittedKey)-1]
+}

provider/kv_test.go

@@ -0,0 +1,367 @@
+package provider
+
+import (
+	"errors"
+	"strings"
+	"testing"
+
+	"github.com/docker/libkv/store"
+	"reflect"
+	"sort"
+)
+
+func TestKvList(t *testing.T) {
+	cases := []struct {
+		provider *Kv
+		keys     []string
+		expected []string
+	}{
+		{
+			provider: &Kv{
+				kvclient: &Mock{},
+			},
+			keys:     []string{},
+			expected: []string{},
+		},
+		{
+			provider: &Kv{
+				kvclient: &Mock{},
+			},
+			keys:     []string{"traefik"},
+			expected: []string{},
+		},
+		{
+			provider: &Kv{
+				kvclient: &Mock{
+					KVPairs: []*store.KVPair{
+						{
+							Key:   "foo",
+							Value: []byte("bar"),
+						},
+					},
+				},
+			},
+			keys:     []string{"bar"},
+			expected: []string{},
+		},
+		{
+			provider: &Kv{
+				kvclient: &Mock{
+					KVPairs: []*store.KVPair{
+						{
+							Key:   "foo",
+							Value: []byte("bar"),
+						},
+					},
+				},
+			},
+			keys:     []string{"foo"},
+			expected: []string{"foo"},
+		},
+		{
+			provider: &Kv{
+				kvclient: &Mock{
+					KVPairs: []*store.KVPair{
+						{
+							Key:   "foo/baz/1",
+							Value: []byte("bar"),
+						},
+						{
+							Key:   "foo/baz/2",
+							Value: []byte("bar"),
+						},
+						{
+							Key:   "foo/baz/biz/1",
+							Value: []byte("bar"),
+						},
+					},
+				},
+			},
+			keys:     []string{"foo", "/baz/"},
+			expected: []string{"foo/baz/biz", "foo/baz/1", "foo/baz/2"},
+		},
+	}
+
+	for _, c := range cases {
+		actual := c.provider.list(c.keys...)
+		sort.Strings(actual)
+		sort.Strings(c.expected)
+		if !reflect.DeepEqual(actual, c.expected) {
+			t.Fatalf("expected %v, got %v for %v and %v", c.expected, actual, c.keys, c.provider)
+		}
+	}
+
+	// Error case
+	provider := &Kv{
+		kvclient: &Mock{
+			Error: true,
+		},
+	}
+	actual := provider.list("anything")
+	if actual != nil {
+		t.Fatalf("Should have return nil, got %v", actual)
+	}
+}
+
+func TestKvGet(t *testing.T) {
+	cases := []struct {
+		provider *Kv
+		keys     []string
+		expected string
+	}{
+		{
+			provider: &Kv{
+				kvclient: &Mock{},
+			},
+			keys:     []string{},
+			expected: "",
+		},
+		{
+			provider: &Kv{
+				kvclient: &Mock{},
+			},
+			keys:     []string{"traefik"},
+			expected: "",
+		},
+		{
+			provider: &Kv{
+				kvclient: &Mock{
+					KVPairs: []*store.KVPair{
+						{
+							Key:   "foo",
+							Value: []byte("bar"),
+						},
+					},
+				},
+			},
+			keys:     []string{"bar"},
+			expected: "",
+		},
+		{
+			provider: &Kv{
+				kvclient: &Mock{
+					KVPairs: []*store.KVPair{
+						{
+							Key:   "foo",
+							Value: []byte("bar"),
+						},
+					},
+				},
+			},
+			keys:     []string{"foo"},
+			expected: "bar",
+		},
+		{
+			provider: &Kv{
+				kvclient: &Mock{
+					KVPairs: []*store.KVPair{
+						{
+							Key:   "foo/baz/1",
+							Value: []byte("bar1"),
+						},
+						{
+							Key:   "foo/baz/2",
+							Value: []byte("bar2"),
+						},
+						{
+							Key:   "foo/baz/biz/1",
+							Value: []byte("bar3"),
+						},
+					},
+				},
+			},
+			keys:     []string{"foo", "/baz/", "2"},
+			expected: "bar2",
+		},
+	}
+
+	for _, c := range cases {
+		actual := c.provider.get(c.keys...)
+		if actual != c.expected {
+			t.Fatalf("expected %v, got %v for %v and %v", c.expected, actual, c.keys, c.provider)
+		}
+	}
+
+	// Error case
+	provider := &Kv{
+		kvclient: &Mock{
+			Error: true,
+		},
+	}
+	actual := provider.get("anything")
+	if actual != "" {
+		t.Fatalf("Should have return nil, got %v", actual)
+	}
+}
+
+func TestKvGetBool(t *testing.T) {
+	cases := []struct {
+		provider *Kv
+		keys     []string
+		expected bool
+	}{
+		{
+			provider: &Kv{
+				kvclient: &Mock{
+					KVPairs: []*store.KVPair{
+						{
+							Key:   "foo",
+							Value: []byte("true"),
+						},
+					},
+				},
+			},
+			keys:     []string{"foo"},
+			expected: true,
+		},
+		{
+			provider: &Kv{
+				kvclient: &Mock{
+					KVPairs: []*store.KVPair{
+						{
+							Key:   "foo",
+							Value: []byte("false"),
+						},
+					},
+				},
+			},
+			keys:     []string{"foo"},
+			expected: false,
+		},
+	}
+
+	for _, c := range cases {
+		actual := c.provider.getBool(c.keys...)
+		if actual != c.expected {
+			t.Fatalf("expected %v, got %v for %v and %v", c.expected, actual, c.keys, c.provider)
+		}
+	}
+
+	// Error case
+	provider := &Kv{
+		kvclient: &Mock{
+			Error: true,
+		},
+	}
+	actual := provider.get("anything")
+	if actual != "" {
+		t.Fatalf("Should have return nil, got %v", actual)
+	}
+}
+
+func TestKvLast(t *testing.T) {
+	cases := []struct {
+		key      string
+		expected string
+	}{
+		{
+			key:      "",
+			expected: "",
+		},
+		{
+			key:      "foo",
+			expected: "foo",
+		},
+		{
+			key:      "foo/bar",
+			expected: "bar",
+		},
+		{
+			key:      "foo/bar/baz",
+			expected: "baz",
+		},
+		// FIXME is this wanted ?
+		{
+			key:      "foo/bar/",
+			expected: "",
+		},
+	}
+
+	provider := &Kv{}
+	for _, c := range cases {
+		actual := provider.last(c.key)
+		if actual != c.expected {
+			t.Fatalf("expected %s, got %s", c.expected, actual)
+		}
+	}
+}
+
+// Extremely limited mock store so we can test initialization
+type Mock struct {
+	Error   bool
+	KVPairs []*store.KVPair
+}
+
+func (s *Mock) Put(key string, value []byte, opts *store.WriteOptions) error {
+	return errors.New("Put not supported")
+}
+
+func (s *Mock) Get(key string) (*store.KVPair, error) {
+	if s.Error {
+		return nil, errors.New("Error")
+	}
+	for _, kvPair := range s.KVPairs {
+		if kvPair.Key == key {
+			return kvPair, nil
+		}
+	}
+	return nil, nil
+}
+
+func (s *Mock) Delete(key string) error {
+	return errors.New("Delete not supported")
+}
+
+// Exists mock
+func (s *Mock) Exists(key string) (bool, error) {
+	return false, errors.New("Exists not supported")
+}
+
+// Watch mock
+func (s *Mock) Watch(key string, stopCh <-chan struct{}) (<-chan *store.KVPair, error) {
+	return nil, errors.New("Watch not supported")
+}
+
+// WatchTree mock
+func (s *Mock) WatchTree(prefix string, stopCh <-chan struct{}) (<-chan []*store.KVPair, error) {
+	return nil, errors.New("WatchTree not supported")
+}
+
+// NewLock mock
+func (s *Mock) NewLock(key string, options *store.LockOptions) (store.Locker, error) {
+	return nil, errors.New("NewLock not supported")
+}
+
+// List mock
+func (s *Mock) List(prefix string) ([]*store.KVPair, error) {
+	if s.Error {
+		return nil, errors.New("Error")
+	}
+	kv := []*store.KVPair{}
+	for _, kvPair := range s.KVPairs {
+		if strings.HasPrefix(kvPair.Key, prefix) {
+			kv = append(kv, kvPair)
+		}
+	}
+	return kv, nil
+}
+
+// DeleteTree mock
+func (s *Mock) DeleteTree(prefix string) error {
+	return errors.New("DeleteTree not supported")
+}
+
+// AtomicPut mock
+func (s *Mock) AtomicPut(key string, value []byte, previous *store.KVPair, opts *store.WriteOptions) (bool, *store.KVPair, error) {
+	return false, nil, errors.New("AtomicPut not supported")
+}
+
+// AtomicDelete mock
+func (s *Mock) AtomicDelete(key string, previous *store.KVPair) (bool, error) {
+	return false, errors.New("AtomicDelete not supported")
+}
+
+// Close mock
+func (s *Mock) Close() {
+	return
+}

provider/marathon.go

@@ -0,0 +1,243 @@
+package provider
+
+import (
+	"errors"
+	"net/url"
+	"strconv"
+	"text/template"
+
+	"github.com/BurntSushi/ty/fun"
+	log "github.com/Sirupsen/logrus"
+	"github.com/emilevauge/traefik/types"
+	"github.com/gambol99/go-marathon"
+)
+
+// Marathon holds configuration of the Marathon provider.
+type Marathon struct {
+	baseProvider
+	Endpoint         string
+	Domain           string
+	NetworkInterface string
+	marathonClient   lightMarathonClient
+}
+
+type lightMarathonClient interface {
+	Applications(url.Values) (*marathon.Applications, error)
+	AllTasks() (*marathon.Tasks, error)
+}
+
+// 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{
+							ProviderName:  "marathon",
+							Configuration: configuration,
+						}
+					}
+				}
+			}()
+		}
+	}
+
+	configuration := provider.loadMarathonConfig()
+	configurationChan <- types.ConfigMessage{
+		ProviderName:  "marathon",
+		Configuration: configuration,
+	}
+	return nil
+}
+
+func (provider *Marathon) loadMarathonConfig() *types.Configuration {
+	var MarathonFuncMap = template.FuncMap{
+		"getPort":           provider.getPort,
+		"getWeight":         provider.getWeight,
+		"getDomain":         provider.getDomain,
+		"getProtocol":       provider.getProtocol,
+		"getPassHostHeader": provider.getPassHostHeader,
+		"getFrontendValue":  provider.getFrontendValue,
+		"getFrontendRule":   provider.getFrontendRule,
+		"replace":           replace,
+	}
+
+	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 {
+		return taskFilter(task, applications)
+	}, tasks.Tasks).([]marathon.Task)
+
+	//filter apps
+	filteredApps := fun.Filter(func(app marathon.Application) bool {
+		return applicationFilter(app, filteredTasks)
+	}, applications.Apps).([]marathon.Application)
+
+	templateObjects := struct {
+		Applications []marathon.Application
+		Tasks        []marathon.Task
+		Domain       string
+	}{
+		filteredApps,
+		filteredTasks,
+		provider.Domain,
+	}
+
+	configuration, err := provider.getConfiguration("templates/marathon.tmpl", MarathonFuncMap, templateObjects)
+	if err != nil {
+		log.Error(err)
+	}
+	return configuration
+}
+
+func taskFilter(task marathon.Task, applications *marathon.Applications) 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
+}
+
+func applicationFilter(app marathon.Application, filteredTasks []marathon.Task) bool {
+	return fun.Exists(func(task marathon.Task) bool {
+		return task.AppID == app.ID
+	}, filteredTasks)
+}
+
+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) getPort(task marathon.Task) string {
+	for _, port := range task.Ports {
+		return strconv.Itoa(port)
+	}
+	return ""
+}
+
+func (provider *Marathon) getWeight(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"
+}
+
+func (provider *Marathon) getDomain(application marathon.Application) string {
+	if label, err := provider.getLabel(application, "traefik.domain"); err == nil {
+		return label
+	}
+	return provider.Domain
+}
+
+func (provider *Marathon) getProtocol(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"
+}
+
+func (provider *Marathon) getPassHostHeader(application marathon.Application) string {
+	if passHostHeader, err := provider.getLabel(application, "traefik.frontend.passHostHeader"); err == nil {
+		return passHostHeader
+	}
+	return "false"
+}
+
+// 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 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/marathon_test.go

@@ -0,0 +1,656 @@
+package provider
+
+import (
+	"errors"
+	"net/url"
+	"reflect"
+	"testing"
+
+	"github.com/emilevauge/traefik/types"
+	"github.com/gambol99/go-marathon"
+)
+
+type fakeClient struct {
+	applicationsError bool
+	applications      *marathon.Applications
+	tasksError        bool
+	tasks             *marathon.Tasks
+}
+
+func (c *fakeClient) Applications(url.Values) (*marathon.Applications, error) {
+	if c.applicationsError {
+		return nil, errors.New("error")
+	}
+	return c.applications, nil
+}
+
+func (c *fakeClient) AllTasks() (*marathon.Tasks, error) {
+	if c.tasksError {
+		return nil, errors.New("error")
+	}
+	return c.tasks, nil
+}
+
+func TestMarathonLoadConfig(t *testing.T) {
+	cases := []struct {
+		applicationsError bool
+		applications      *marathon.Applications
+		tasksError        bool
+		tasks             *marathon.Tasks
+		expectedNil       bool
+		expectedFrontends map[string]*types.Frontend
+		expectedBackends  map[string]*types.Backend
+	}{
+		{
+			applications:      &marathon.Applications{},
+			tasks:             &marathon.Tasks{},
+			expectedFrontends: map[string]*types.Frontend{},
+			expectedBackends:  map[string]*types.Backend{},
+		},
+		{
+			applicationsError: true,
+			applications:      &marathon.Applications{},
+			tasks:             &marathon.Tasks{},
+			expectedNil:       true,
+			expectedFrontends: map[string]*types.Frontend{},
+			expectedBackends:  map[string]*types.Backend{},
+		},
+		{
+			applications:      &marathon.Applications{},
+			tasksError:        true,
+			tasks:             &marathon.Tasks{},
+			expectedNil:       true,
+			expectedFrontends: map[string]*types.Frontend{},
+			expectedBackends:  map[string]*types.Backend{},
+		},
+		{
+			applications: &marathon.Applications{
+				Apps: []marathon.Application{
+					{
+						ID:    "/test",
+						Ports: []int{80},
+					},
+				},
+			},
+			tasks: &marathon.Tasks{
+				Tasks: []marathon.Task{
+					{
+						ID:    "test",
+						AppID: "/test",
+						Host:  "127.0.0.1",
+						Ports: []int{80},
+					},
+				},
+			},
+			expectedFrontends: map[string]*types.Frontend{
+				`frontend-test`: {
+					Backend: "backend-test",
+					Routes: map[string]types.Route{
+						`route-host-test`: {
+							Rule:  "Host",
+							Value: "test.docker.localhost",
+						},
+					},
+				},
+			},
+			expectedBackends: map[string]*types.Backend{
+				"backend-test": {
+					Servers: map[string]types.Server{
+						"server-test": {
+							URL:    "http://127.0.0.1:80",
+							Weight: 0,
+						},
+					},
+					CircuitBreaker: nil,
+					LoadBalancer:   nil,
+				},
+			},
+		},
+	}
+
+	for _, c := range cases {
+		provider := &Marathon{
+			Domain: "docker.localhost",
+			marathonClient: &fakeClient{
+				applicationsError: c.applicationsError,
+				applications:      c.applications,
+				tasksError:        c.tasksError,
+				tasks:             c.tasks,
+			},
+		}
+		actualConfig := provider.loadMarathonConfig()
+		if c.expectedNil {
+			if actualConfig != nil {
+				t.Fatalf("Should have been nil, got %v", actualConfig)
+			}
+		} else {
+			// Compare backends
+			if !reflect.DeepEqual(actualConfig.Backends, c.expectedBackends) {
+				t.Fatalf("expected %#v, got %#v", c.expectedBackends, actualConfig.Backends)
+			}
+			if !reflect.DeepEqual(actualConfig.Frontends, c.expectedFrontends) {
+				t.Fatalf("expected %#v, got %#v", c.expectedFrontends, actualConfig.Frontends)
+			}
+		}
+	}
+}
+
+func TestMarathonTaskFilter(t *testing.T) {
+	cases := []struct {
+		task         marathon.Task
+		applications *marathon.Applications
+		expected     bool
+	}{
+		{
+			task:         marathon.Task{},
+			applications: &marathon.Applications{},
+			expected:     false,
+		},
+		{
+			task: marathon.Task{
+				AppID: "test",
+				Ports: []int{80},
+			},
+			applications: &marathon.Applications{},
+			expected:     false,
+		},
+		{
+			task: marathon.Task{
+				AppID: "test",
+				Ports: []int{80},
+			},
+			applications: &marathon.Applications{
+				Apps: []marathon.Application{
+					{
+						ID: "foo",
+					},
+				},
+			},
+			expected: false,
+		},
+		{
+			task: marathon.Task{
+				AppID: "foo",
+				Ports: []int{80},
+			},
+			applications: &marathon.Applications{
+				Apps: []marathon.Application{
+					{
+						ID:    "foo",
+						Ports: []int{80, 443},
+					},
+				},
+			},
+			expected: false,
+		},
+		{
+			task: marathon.Task{
+				AppID: "foo",
+				Ports: []int{80},
+			},
+			applications: &marathon.Applications{
+				Apps: []marathon.Application{
+					{
+						ID:    "foo",
+						Ports: []int{80},
+						Labels: map[string]string{
+							"traefik.enable": "false",
+						},
+					},
+				},
+			},
+			expected: false,
+		},
+		{
+			task: marathon.Task{
+				AppID: "foo",
+				Ports: []int{80},
+			},
+			applications: &marathon.Applications{
+				Apps: []marathon.Application{
+					{
+						ID:    "foo",
+						Ports: []int{80},
+						HealthChecks: []*marathon.HealthCheck{
+							marathon.NewDefaultHealthCheck(),
+						},
+					},
+				},
+			},
+			expected: false,
+		},
+		{
+			task: marathon.Task{
+				AppID: "foo",
+				Ports: []int{80},
+				HealthCheckResult: []*marathon.HealthCheckResult{
+					{
+						Alive: false,
+					},
+				},
+			},
+			applications: &marathon.Applications{
+				Apps: []marathon.Application{
+					{
+						ID:    "foo",
+						Ports: []int{80},
+						HealthChecks: []*marathon.HealthCheck{
+							marathon.NewDefaultHealthCheck(),
+						},
+					},
+				},
+			},
+			expected: false,
+		},
+		{
+			task: marathon.Task{
+				AppID: "foo",
+				Ports: []int{80},
+				HealthCheckResult: []*marathon.HealthCheckResult{
+					{
+						Alive: true,
+					},
+					{
+						Alive: false,
+					},
+				},
+			},
+			applications: &marathon.Applications{
+				Apps: []marathon.Application{
+					{
+						ID:    "foo",
+						Ports: []int{80},
+						HealthChecks: []*marathon.HealthCheck{
+							marathon.NewDefaultHealthCheck(),
+						},
+					},
+				},
+			},
+			expected: false,
+		},
+		{
+			task: marathon.Task{
+				AppID: "foo",
+				Ports: []int{80},
+			},
+			applications: &marathon.Applications{
+				Apps: []marathon.Application{
+					{
+						ID:    "foo",
+						Ports: []int{80},
+					},
+				},
+			},
+			expected: true,
+		},
+		{
+			task: marathon.Task{
+				AppID: "foo",
+				Ports: []int{80},
+				HealthCheckResult: []*marathon.HealthCheckResult{
+					{
+						Alive: true,
+					},
+				},
+			},
+			applications: &marathon.Applications{
+				Apps: []marathon.Application{
+					{
+						ID:    "foo",
+						Ports: []int{80},
+						HealthChecks: []*marathon.HealthCheck{
+							marathon.NewDefaultHealthCheck(),
+						},
+					},
+				},
+			},
+			expected: true,
+		},
+	}
+
+	for _, c := range cases {
+		actual := taskFilter(c.task, c.applications)
+		if actual != c.expected {
+			t.Fatalf("expected %v, got %v", c.expected, actual)
+		}
+	}
+}
+
+func TestMarathonApplicationFilter(t *testing.T) {
+	cases := []struct {
+		application   marathon.Application
+		filteredTasks []marathon.Task
+		expected      bool
+	}{
+		{
+			application:   marathon.Application{},
+			filteredTasks: []marathon.Task{},
+			expected:      false,
+		},
+		{
+			application: marathon.Application{
+				ID: "test",
+			},
+			filteredTasks: []marathon.Task{},
+			expected:      false,
+		},
+		{
+			application: marathon.Application{
+				ID: "foo",
+			},
+			filteredTasks: []marathon.Task{
+				{
+					AppID: "bar",
+				},
+			},
+			expected: false,
+		},
+		{
+			application: marathon.Application{
+				ID: "foo",
+			},
+			filteredTasks: []marathon.Task{
+				{
+					AppID: "foo",
+				},
+			},
+			expected: true,
+		},
+	}
+
+	for _, c := range cases {
+		actual := applicationFilter(c.application, c.filteredTasks)
+		if actual != c.expected {
+			t.Fatalf("expected %v, got %v", c.expected, actual)
+		}
+	}
+}
+
+func TestMarathonGetPort(t *testing.T) {
+	provider := &Marathon{}
+
+	cases := []struct {
+		task     marathon.Task
+		expected string
+	}{
+		{
+			task:     marathon.Task{},
+			expected: "",
+		},
+		{
+			task: marathon.Task{
+				Ports: []int{80},
+			},
+			expected: "80",
+		},
+		{
+			task: marathon.Task{
+				Ports: []int{80, 443},
+			},
+			expected: "80",
+		},
+	}
+
+	for _, c := range cases {
+		actual := provider.getPort(c.task)
+		if actual != c.expected {
+			t.Fatalf("expected %q, got %q", c.expected, actual)
+		}
+	}
+}
+
+func TestMarathonGetWeigh(t *testing.T) {
+	provider := &Marathon{}
+
+	applications := []struct {
+		applications []marathon.Application
+		task         marathon.Task
+		expected     string
+	}{
+		{
+			applications: []marathon.Application{},
+			task:         marathon.Task{},
+			expected:     "0",
+		},
+		{
+			applications: []marathon.Application{
+				{
+					ID: "test1",
+					Labels: map[string]string{
+						"traefik.weight": "10",
+					},
+				},
+			},
+			task: marathon.Task{
+				AppID: "test2",
+			},
+			expected: "0",
+		},
+		{
+			applications: []marathon.Application{
+				{
+					ID: "test",
+					Labels: map[string]string{
+						"traefik.test": "10",
+					},
+				},
+			},
+			task: marathon.Task{
+				AppID: "test",
+			},
+			expected: "0",
+		},
+		{
+			applications: []marathon.Application{
+				{
+					ID: "test",
+					Labels: map[string]string{
+						"traefik.weight": "10",
+					},
+				},
+			},
+			task: marathon.Task{
+				AppID: "test",
+			},
+			expected: "10",
+		},
+	}
+
+	for _, a := range applications {
+		actual := provider.getWeight(a.task, a.applications)
+		if actual != a.expected {
+			t.Fatalf("expected %q, got %q", a.expected, actual)
+		}
+	}
+}
+
+func TestMarathonGetDomain(t *testing.T) {
+	provider := &Marathon{
+		Domain: "docker.localhost",
+	}
+
+	applications := []struct {
+		application marathon.Application
+		expected    string
+	}{
+		{
+			application: marathon.Application{},
+			expected:    "docker.localhost",
+		},
+		{
+			application: marathon.Application{
+				Labels: map[string]string{
+					"traefik.domain": "foo.bar",
+				},
+			},
+			expected: "foo.bar",
+		},
+	}
+
+	for _, a := range applications {
+		actual := provider.getDomain(a.application)
+		if actual != a.expected {
+			t.Fatalf("expected %q, got %q", a.expected, actual)
+		}
+	}
+}
+
+func TestMarathonGetProtocol(t *testing.T) {
+	provider := &Marathon{}
+
+	applications := []struct {
+		applications []marathon.Application
+		task         marathon.Task
+		expected     string
+	}{
+		{
+			applications: []marathon.Application{},
+			task:         marathon.Task{},
+			expected:     "http",
+		},
+		{
+			applications: []marathon.Application{
+				{
+					ID: "test1",
+					Labels: map[string]string{
+						"traefik.protocol": "https",
+					},
+				},
+			},
+			task: marathon.Task{
+				AppID: "test2",
+			},
+			expected: "http",
+		},
+		{
+			applications: []marathon.Application{
+				{
+					ID: "test",
+					Labels: map[string]string{
+						"traefik.foo": "bar",
+					},
+				},
+			},
+			task: marathon.Task{
+				AppID: "test",
+			},
+			expected: "http",
+		},
+		{
+			applications: []marathon.Application{
+				{
+					ID: "test",
+					Labels: map[string]string{
+						"traefik.protocol": "https",
+					},
+				},
+			},
+			task: marathon.Task{
+				AppID: "test",
+			},
+			expected: "https",
+		},
+	}
+
+	for _, a := range applications {
+		actual := provider.getProtocol(a.task, a.applications)
+		if actual != a.expected {
+			t.Fatalf("expected %q, got %q", a.expected, actual)
+		}
+	}
+}
+
+func TestMarathonGetPassHostHeader(t *testing.T) {
+	provider := &Marathon{}
+
+	applications := []struct {
+		application marathon.Application
+		expected    string
+	}{
+		{
+			application: marathon.Application{},
+			expected:    "false",
+		},
+		{
+			application: marathon.Application{
+				Labels: map[string]string{
+					"traefik.frontend.passHostHeader": "true",
+				},
+			},
+			expected: "true",
+		},
+	}
+
+	for _, a := range applications {
+		actual := provider.getPassHostHeader(a.application)
+		if actual != a.expected {
+			t.Fatalf("expected %q, got %q", a.expected, actual)
+		}
+	}
+}
+
+func TestMarathonGetFrontendValue(t *testing.T) {
+	provider := &Marathon{
+		Domain: "docker.localhost",
+	}
+
+	applications := []struct {
+		application marathon.Application
+		expected    string
+	}{
+		{
+			application: marathon.Application{},
+			expected:    ".docker.localhost",
+		},
+		{
+			application: marathon.Application{
+				ID: "test",
+			},
+			expected: "test.docker.localhost",
+		},
+		{
+			application: marathon.Application{
+				Labels: map[string]string{
+					"traefik.frontend.value": "foo.bar",
+				},
+			},
+			expected: "foo.bar",
+		},
+	}
+
+	for _, a := range applications {
+		actual := provider.getFrontendValue(a.application)
+		if actual != a.expected {
+			t.Fatalf("expected %q, got %q", a.expected, actual)
+		}
+	}
+}
+
+func TestMarathonGetFrontendRule(t *testing.T) {
+	provider := &Marathon{}
+
+	applications := []struct {
+		application marathon.Application
+		expected    string
+	}{
+		{
+			application: marathon.Application{},
+			expected:    "Host",
+		},
+		{
+			application: marathon.Application{
+				Labels: map[string]string{
+					"traefik.frontend.rule": "Header",
+				},
+			},
+			expected: "Header",
+		},
+	}
+
+	for _, a := range applications {
+		actual := provider.getFrontendRule(a.application)
+		if actual != a.expected {
+			t.Fatalf("expected %q, got %q", a.expected, actual)
+		}
+	}
+}

provider/provider.go

@@ -0,0 +1,67 @@
+package provider
+
+import (
+	"bytes"
+	"io/ioutil"
+	"strings"
+	"text/template"
+
+	"github.com/BurntSushi/toml"
+	"github.com/emilevauge/traefik/autogen"
+	"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
+}
+
+type baseProvider struct {
+	Watch    bool
+	Filename string
+}
+
+func (p *baseProvider) getConfiguration(defaultTemplateFile string, funcMap template.FuncMap, templateObjects interface{}) (*types.Configuration, error) {
+	var (
+		buf []byte
+		err error
+	)
+	configuration := new(types.Configuration)
+	tmpl := template.New(p.Filename).Funcs(funcMap)
+	if len(p.Filename) > 0 {
+		buf, err = ioutil.ReadFile(p.Filename)
+		if err != nil {
+			return nil, err
+		}
+	} else {
+		buf, err = autogen.Asset(defaultTemplateFile)
+		if err != nil {
+			return nil, err
+		}
+	}
+	_, err = tmpl.Parse(string(buf))
+	if err != nil {
+		return nil, err
+	}
+
+	var buffer bytes.Buffer
+	err = tmpl.Execute(&buffer, templateObjects)
+	if err != nil {
+		return nil, err
+	}
+
+	if _, err := toml.Decode(buffer.String(), configuration); err != nil {
+		return nil, err
+	}
+	return configuration, nil
+}
+
+func replace(s1 string, s2 string, s3 string) string {
+	return strings.Replace(s3, s1, s2, -1)
+}
+
+func getEscapedName(name string) string {
+	return strings.Replace(name, "/", "", -1)
+}

provider/provider_test.go

@@ -0,0 +1,170 @@
+package provider
+
+import (
+	"io/ioutil"
+	"os"
+	"strings"
+	"testing"
+	"text/template"
+)
+
+type myProvider struct {
+	baseProvider
+}
+
+func (p *myProvider) Foo() string {
+	return "bar"
+}
+
+func TestConfigurationErrors(t *testing.T) {
+	templateErrorFile, err := ioutil.TempFile("", "provider-configuration-error")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.RemoveAll(templateErrorFile.Name())
+	data := []byte("Not a valid template {{ Bar }}")
+	err = ioutil.WriteFile(templateErrorFile.Name(), data, 0700)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	templateInvalidTOMLFile, err := ioutil.TempFile("", "provider-configuration-error")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.RemoveAll(templateInvalidTOMLFile.Name())
+	data = []byte(`Hello {{ .Name }}
+{{ Foo }}`)
+	err = ioutil.WriteFile(templateInvalidTOMLFile.Name(), data, 0700)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	invalids := []struct {
+		provider        *myProvider
+		defaultTemplate string
+		expectedError   string
+		funcMap         template.FuncMap
+		templateObjects interface{}
+	}{
+		{
+			provider: &myProvider{
+				baseProvider{
+					Filename: "/non/existent/template.tmpl",
+				},
+			},
+			expectedError: "open /non/existent/template.tmpl: no such file or directory",
+		},
+		{
+			provider:        &myProvider{},
+			defaultTemplate: "non/existent/template.tmpl",
+			expectedError:   "Asset non/existent/template.tmpl not found",
+		},
+		{
+			provider: &myProvider{
+				baseProvider{
+					Filename: templateErrorFile.Name(),
+				},
+			},
+			expectedError: `function "Bar" not defined`,
+		},
+		{
+			provider: &myProvider{
+				baseProvider{
+					Filename: templateInvalidTOMLFile.Name(),
+				},
+			},
+			expectedError: "Near line 1, key 'Hello': Near line 1: Expected key separator '=', but got '<' instead",
+			funcMap: template.FuncMap{
+				"Foo": func() string {
+					return "bar"
+				},
+			},
+			templateObjects: struct{ Name string }{Name: "bar"},
+		},
+	}
+
+	for _, invalid := range invalids {
+		configuration, err := invalid.provider.getConfiguration(invalid.defaultTemplate, invalid.funcMap, nil)
+		if err == nil || !strings.Contains(err.Error(), invalid.expectedError) {
+			t.Fatalf("should have generate an error with %q, got %v", invalid.expectedError, err)
+		}
+		if configuration != nil {
+			t.Fatalf("shouldn't have return a configuration object : %v", configuration)
+		}
+	}
+}
+
+func TestGetConfiguration(t *testing.T) {
+	templateFile, err := ioutil.TempFile("", "provider-configuration")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.RemoveAll(templateFile.Name())
+	data := []byte(`[backends]
+  [backends.backend1]
+    [backends.backend1.circuitbreaker]
+      expression = "NetworkErrorRatio() > 0.5"
+    [backends.backend1.servers.server1]
+    url = "http://172.17.0.2:80"
+    weight = 10
+    [backends.backend1.servers.server2]
+    url = "http://172.17.0.3:80"
+    weight = 1
+
+[frontends]
+  [frontends.frontend1]
+  backend = "backend1"
+  passHostHeader = true
+    [frontends.frontend11.routes.test_2]
+    rule = "Path"
+    value = "/test"`)
+	err = ioutil.WriteFile(templateFile.Name(), data, 0700)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	provider := &myProvider{
+		baseProvider{
+			Filename: templateFile.Name(),
+		},
+	}
+	configuration, err := provider.getConfiguration(templateFile.Name(), nil, nil)
+	if err != nil {
+		t.Fatalf("Shouldn't have error out, got %v", err)
+	}
+	if configuration == nil {
+		t.Fatalf("Configuration should not be nil, but was")
+	}
+}
+
+func TestReplace(t *testing.T) {
+	cases := []struct {
+		str      string
+		expected string
+	}{
+		{
+			str:      "",
+			expected: "",
+		},
+		{
+			str:      "foo",
+			expected: "bar",
+		},
+		{
+			str:      "foo foo",
+			expected: "bar bar",
+		},
+		{
+			str:      "somethingfoo",
+			expected: "somethingbar",
+		},
+	}
+
+	for _, c := range cases {
+		actual := replace("foo", "bar", c.str)
+		if actual != c.expected {
+			t.Fatalf("expected %q, got %q, for %q", c.expected, actual, c.str)
+		}
+	}
+}

provider/zk.go

@@ -0,0 +1,20 @@
+package provider
+
+import (
+	"github.com/docker/libkv/store"
+	"github.com/docker/libkv/store/zookeeper"
+	"github.com/emilevauge/traefik/types"
+)
+
+// Zookepper holds configurations of the Zookepper provider.
+type Zookepper struct {
+	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.StoreType = store.ZK
+	zookeeper.Register()
+	return provider.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

@@ -1,13 +1,20 @@
 #!/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
 
 rm -f dist/traefik
 
-# Build binaries
-CGO_ENABLED=0 go build -a -installsuffix nocgo -o dist/traefik .
+if [ -z "$VERSION" ]; then
+    VERSION=$(git rev-parse HEAD)
+fi
 
+if [ -z "$DATE" ]; then
+    DATE=$(date -u '+%Y-%m-%d_%I:%M:%S%p')
+fi
+
+# Build binaries
+CGO_ENABLED=0 go build -ldflags "-X main.Version=$VERSION -X main.BuildDate=$DATE" -a -installsuffix nocgo -o dist/traefik .

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
 
@@ -20,10 +20,17 @@ else
     OS_ARCH_ARG=($2)
 fi
 
+if [ -z "$VERSION" ]; then
+    VERSION=$(git rev-parse HEAD)
+fi
+
+if [ -z "$DATE" ]; then
+    DATE=$(date -u '+%Y-%m-%d_%I:%M:%S%p')
+fi
+
 # Get rid of existing binaries
 rm -f dist/traefik_*
 
 # Build binaries
-gox "${OS_PLATFORM_ARG[@]}" "${OS_ARCH_ARG[@]}" \
+gox -ldflags "-X main.Version=$VERSION -X main.BuildDate=$DATE" "${OS_PLATFORM_ARG[@]}" "${OS_ARCH_ARG[@]}" \
     -output="dist/traefik_{{.OS}}-{{.Arch}}"
-

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
 

script/validate-golint

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+source "$(dirname "$BASH_SOURCE")/.validate"
+
+IFS=$'\n'
+files=( $(validate_diff --diff-filter=ACMR --name-only -- '*.go' | grep -v '^vendor/\|autogen' || true) )
+unset IFS
+
+errors=()
+for f in "${files[@]}"; do
+	# we use "git show" here to validate that what's committed passes go vet
+	failedLint=$(golint "$f")
+	if [ "$failedLint" ]; then
+		errors+=( "$failedLint" )
+	fi
+done
+
+if [ ${#errors[@]} -eq 0 ]; then
+	echo 'Congratulations!  All Go source files have been linted.'
+else
+	{
+		echo "Errors from golint:"
+		for err in "${errors[@]}"; do
+			echo "$err"
+		done
+		echo
+		echo 'Please fix the above errors. You can test via "golint" and commit the result.'
+		echo
+	} >&2
+	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/kv.tmpl

@@ -28,6 +28,7 @@
     {{$frontend := Last .}}
     [frontends.{{$frontend}}]
     backend = "{{Get . "/backend"}}"
+    passHostHeader = "{{GetBool . "/passHostHeader"}}"
     {{$routes := List . "/routes/"}}
         {{range $routes}}
         [frontends.{{$frontend}}.routes.{{Last .}}]

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/traefik.crt

@@ -0,0 +1,21 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----

tests/traefik.key

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----

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

@@ -1,66 +1,57 @@
 package main
 
 import (
+	"crypto/tls"
+	"errors"
 	fmtlog "log"
-	"net"
 	"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/davecgh/go-spew/spew"
 	"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 (
 	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)
 	kingpin.Parse()
 	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 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
@@ -88,19 +79,40 @@ func main() {
 	} else {
 		log.SetFormatter(&log.TextFormatter{FullTimestamp: true, DisableSorting: true})
 	}
-	log.Debugf("Global configuration loaded %s", spew.Sdump(globalConfiguration))
+	log.Debugf("Global configuration loaded %+v", globalConfiguration)
 	configurationRouter = LoadDefaultConfig(globalConfiguration)
 
 	// listen new configurations from providers
 	go func() {
-
+		lastReceivedConfiguration := time.Unix(0, 0)
+		lastConfigs := make(map[string]*types.ConfigMessage)
 		for {
 			configMsg := <-configurationChan
-			log.Infof("Configuration receveived from provider %s: %#v", configMsg.providerName, configMsg.configuration)
-			log.Debugf("Configuration %s", spew.Sdump(configMsg.configuration))
-			if configMsg.configuration == nil {
-				log.Info("Skipping empty configuration")
-			} else if reflect.DeepEqual(currentConfigurations[configMsg.providerName], configMsg.configuration) {
+			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)
+				// 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)
+				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]
+					}
+				}()
+			}
+			lastReceivedConfiguration = time.Now()
+		}
+	}()
+	go func() {
+		for {
+			configMsg := <-configurationChanValidated
+			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
@@ -108,17 +120,20 @@ 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 {
 					currentConfigurations = newConfigurations
 					configurationRouter = newConfigurationRouter
 					oldServer := srv
-					newsrv := prepareServer(configurationRouter, globalConfiguration, oldServer, loggerMiddleware, metrics)
+					newsrv, err := prepareServer(configurationRouter, globalConfiguration, oldServer, loggerMiddleware, metrics)
+					if err != nil {
+						log.Fatal("Error preparing server: ", err)
+					}
 					go startServer(newsrv, globalConfiguration)
 					srv = newsrv
-					time.Sleep(2 * time.Second)
+					time.Sleep(1 * time.Second)
 					if oldServer != nil {
 						log.Info("Stopping old server")
 						oldServer.Close()
@@ -182,37 +197,54 @@ func main() {
 
 	//negroni.Use(middlewares.NewCircuitBreaker(oxyLogger))
 	//negroni.Use(middlewares.NewRoutes(configurationRouter))
-	srv = prepareServer(configurationRouter, globalConfiguration, nil, loggerMiddleware, metrics)
+
+	var er error
+	srv, er = prepareServer(configurationRouter, globalConfiguration, nil, loggerMiddleware, metrics)
+	if er != nil {
+		log.Fatal("Error preparing server: ", er)
+	}
 	go startServer(srv, globalConfiguration)
 
 	<-stopChan
 	log.Info("Shutting down")
 }
 
+func createTLSConfig(certFile string, keyFile string) (*tls.Config, error) {
+	config := &tls.Config{}
+	if config.NextProtos == nil {
+		config.NextProtos = []string{"http/1.1"}
+	}
+
+	var err error
+	config.Certificates = make([]tls.Certificate, 1)
+	if len(certFile) > 0 && len(keyFile) > 0 {
+		config.Certificates[0], err = tls.LoadX509KeyPair(certFile, keyFile)
+		if err != nil {
+			return nil, err
+		}
+	} else {
+		return nil, nil
+	}
+	return config, nil
+}
+
 func startServer(srv *manners.GracefulServer, globalConfiguration *GlobalConfiguration) {
 	log.Info("Starting server")
-	log.Debugf("Server %s", spew.Sdump(srv))
 	if len(globalConfiguration.CertFile) > 0 && len(globalConfiguration.KeyFile) > 0 {
 		err := srv.ListenAndServeTLS(globalConfiguration.CertFile, globalConfiguration.KeyFile)
 		if err != nil {
-			netOpError, ok := err.(*net.OpError)
-			if ok && netOpError.Err.Error() != "use of closed network connection" {
-				log.Fatal("Error creating server: ", err)
-			}
+			log.Fatal("Error creating server: ", err)
 		}
 	} else {
 		err := srv.ListenAndServe()
 		if err != nil {
-			netOpError, ok := err.(*net.OpError)
-			if ok && netOpError.Err.Error() != "use of closed network connection" {
-				log.Fatal("Error creating server: ", err)
-			}
+			log.Fatal("Error creating server: ", err)
 		}
 	}
 	log.Info("Server stopped")
 }
 
-func prepareServer(router *mux.Router, globalConfiguration *GlobalConfiguration, oldServer *manners.GracefulServer, middlewares ...negroni.Handler) *manners.GracefulServer {
+func prepareServer(router *mux.Router, globalConfiguration *GlobalConfiguration, oldServer *manners.GracefulServer, middlewares ...negroni.Handler) (*manners.GracefulServer, error) {
 	log.Info("Preparing server")
 	// middlewares
 	var negroni = negroni.New()
@@ -220,27 +252,33 @@ func prepareServer(router *mux.Router, globalConfiguration *GlobalConfiguration,
 		negroni.Use(middleware)
 	}
 	negroni.UseHandler(router)
+	tlsConfig, err := createTLSConfig(globalConfiguration.CertFile, globalConfiguration.KeyFile)
+	if err != nil {
+		log.Fatalf("Error creating TLS config %s", err)
+		return nil, err
+	}
 
 	if oldServer == nil {
 		return manners.NewWithServer(
 			&http.Server{
-				Addr:    globalConfiguration.Port,
-				Handler: negroni,
-			})
-	} else {
-		server, err := oldServer.HijackListener(&http.Server{
-			Addr:    globalConfiguration.Port,
-			Handler: negroni,
-		}, nil)
-		if err != nil {
-			log.Fatalf("Error hijacking server %s", err)
-			return nil
-		} else {
-			return server
-		}
+				Addr:      globalConfiguration.Port,
+				Handler:   negroni,
+				TLSConfig: tlsConfig,
+			}), nil
 	}
+	server, err := oldServer.HijackListener(&http.Server{
+		Addr:    globalConfiguration.Port,
+		Handler: negroni,
+	}, tlsConfig)
+	if err != nil {
+		log.Fatalf("Error hijacking server %s", err)
+		return nil, err
+	}
+	return server, nil
 }
 
+// LoadConfig returns a new gorrilla.mux Route from the specified global configuration and the dynamic
+// provider configurations.
 func LoadConfig(configurations configs, globalConfiguration *GlobalConfiguration) (*mux.Router, error) {
 	router := mux.NewRouter()
 	router.NotFoundHandler = http.HandlerFunc(notFoundHandler)
@@ -248,7 +286,7 @@ 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)
@@ -262,12 +300,12 @@ 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
@@ -279,9 +317,9 @@ 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 = rr
+					lb = middlewares.NewWebsocketUpgrader(rr)
 					for serverName, server := range configuration.Backends[frontend.Backend].Servers {
 						url, err := url.Parse(server.URL)
 						if err != nil {
@@ -307,13 +345,15 @@ func LoadConfig(configurations configs, globalConfiguration *GlobalConfiguration
 			newRoute.Handler(backends[frontend.Backend])
 			err := newRoute.GetError()
 			if err != nil {
-				log.Error("Error building route: %s", err)
+				log.Errorf("Error building route: %s", err)
 			}
 		}
 	}
 	return router, nil
 }
 
+// Invoke calls the specified method with the specified arguments on the specified interface.
+// It uses the go(lang) reflect package.
 func Invoke(any interface{}, name string, args ...interface{}) []reflect.Value {
 	inputs := make([]reflect.Value, len(args))
 	for i := range args {
@@ -321,11 +361,3 @@ func Invoke(any interface{}, name string, args ...interface{}) []reflect.Value {
 	}
 	return reflect.ValueOf(any).MethodByName(name).Call(inputs)
 }
-
-func LoadFileConfig(file string) *GlobalConfiguration {
-	configuration := NewGlobalConfiguration()
-	if _, err := toml.DecodeFile(file, configuration); err != nil {
-		fmtlog.Fatalf("Error reading file: %s", err)
-	}
-	return configuration
-}

traefik.sample.toml

@@ -44,6 +44,16 @@
 # CertFile = "traefik.crt"
 # KeyFile = "traefik.key"
 
+# Backends throttle duration: minimum duration between 2 events from providers
+# before applying a new configuration. It avoids unnecessary reloads if multiples events
+# are sent in a short amount of time.
+#
+# Optional
+# Default: "2s"
+#
+# ProvidersThrottleDuration = "5s"
+
+
 ################################################################
 # Web configuration backend
 ################################################################
@@ -128,6 +138,14 @@
 #
 # filename = "docker.tmpl"
 
+# Enable docker TLS connection
+#
+#  [docker.tls]
+#  ca = "/etc/ssl/ca.crt"
+#  cert = "/etc/ssl/docker.crt"
+#  key = "/etc/ssl/docker.key"
+#  insecureskipverify = true
+
 
 ################################################################
 # Mesos/Marathon configuration backend
@@ -346,6 +364,7 @@
 #     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 +1,8 @@
+package main
+
+var (
+	// Version holds the current version of traefik.
+	Version = ""
+	// BuildDate holds the build date of traefik.
+	BuildDate = ""
+)

web.go

@@ -8,15 +8,28 @@ 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"
 )
 
+// WebProvider is a provider.Provider implementation that provides the UI.
+// FIXME to be handled another way.
 type WebProvider struct {
 	Address           string
 	CertFile, KeyFile string
 }
 
-func (provider *WebProvider) Provide(configurationChan chan<- configMessage) error {
+var (
+	templatesRenderer = render.New(render.Options{
+		Directory: "nowhere",
+	})
+)
+
+// Provide allows the provider to provide configurations to traefik
+// using the given configuration channel.
+func (provider *WebProvider) Provide(configurationChan chan<- types.ConfigMessage) error {
 	systemRouter := mux.NewRouter()
 
 	// health route
@@ -34,11 +47,11 @@ 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 +71,7 @@ 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)
-}