Merge pull request #32 from EmileVauge/emilevauge-libkv

libkv support
2015-10-04 19:05:54 +02:00 · 2015-10-04 19:05:54 +02:00 · 992978215b
parent cdcd5a2b68 ffbfc2d901
commit 992978215b
23 changed files with 934 additions and 751 deletions
--- a/Godeps/Godeps.json
+++ b/Godeps/Godeps.json
@ -1,365 +1,302 @@
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+  }, {
+    "ImportPath": "github.com/docker/docker/pkg/httputils",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/pkg/ioutils",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/pkg/jsonmessage",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/pkg/mflag",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/pkg/nat",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/pkg/parsers",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/pkg/pools",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/pkg/promise",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/pkg/random",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/pkg/stdcopy",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/pkg/stringid",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/pkg/symlink",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/pkg/system",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/pkg/tarsum",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/pkg/term",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/pkg/timeutils",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/pkg/tlsconfig",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/pkg/ulimit",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/pkg/units",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/pkg/urlutil",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/pkg/useragent",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/pkg/version",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/registry",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/runconfig",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/utils",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/docker/volume",
+    "Comment": "v1.4.1-5200-gf39987a",
+    "Rev": "f39987afe8d611407887b3094c03d6ba6a766a67"
+  }, {
+    "ImportPath": "github.com/docker/libcompose/docker",
+    "Rev": "aad672800904307e96a2c21cad1420f3080e0f35"
+  }, {
+    "ImportPath": "github.com/docker/libcompose/logger",
+    "Rev": "aad672800904307e96a2c21cad1420f3080e0f35"
+  }, {
+    "ImportPath": "github.com/docker/libcompose/lookup",
+    "Rev": "aad672800904307e96a2c21cad1420f3080e0f35"
+  }, {
+    "ImportPath": "github.com/docker/libcompose/project",
+    "Rev": "aad672800904307e96a2c21cad1420f3080e0f35"
+  }, {
+    "ImportPath": "github.com/docker/libcompose/utils",
+    "Rev": "aad672800904307e96a2c21cad1420f3080e0f35"
+  }, {
+    "ImportPath": "github.com/docker/libtrust",
+    "Rev": "9cbd2a1374f46905c68a4eb3694a130610adc62a"
+  }, {
+    "ImportPath": "github.com/elazarl/go-bindata-assetfs",
+    "Rev": "d5cac425555ca5cf00694df246e04f05e6a55150"
+  }, {
+    "ImportPath": "github.com/flynn/go-shlex",
+    "Rev": "3f9db97f856818214da2e1057f8ad84803971cff"
+  }, {
+    "ImportPath": "github.com/fsouza/go-dockerclient",
+    "Rev": "0239034d42f665efa17fd77c39f891c2f9f32922"
+  }, {
+    "ImportPath": "github.com/gambol99/go-marathon",
+    "Rev": "0ba31bcb0d7633ba1888d744c42990eb15281cf1"
+  }, {
+    "ImportPath": "github.com/gorilla/context",
+    "Rev": "215affda49addc4c8ef7e2534915df2c8c35c6cd"
+  }, {
+    "ImportPath": "github.com/gorilla/handlers",
+    "Rev": "40694b40f4a928c062f56849989d3e9cd0570e5f"
+  }, {
+    "ImportPath": "github.com/gorilla/mux",
+    "Rev": "f15e0c49460fd49eebe2bcc8486b05d1bef68d3a"
+  }, {
+    "ImportPath": "github.com/hashicorp/consul/api",
+    "Comment": "v0.5.2-313-gde08067",
+    "Rev": "de080672fee9e6104572eeea89eccdca135bb918"
+  }, {
+    "ImportPath": "github.com/mailgun/log",
+    "Rev": "44874009257d4d47ba9806f1b7f72a32a015e4d8"
+  }, {
+    "ImportPath": "github.com/mailgun/manners",
+    "Comment": "0.3.1-30-g37136f7",
+    "Rev": "37136f736785d7c6aa3b9a27b4b2dd1028ca6d79"
+  }, {
+    "ImportPath": "github.com/mailgun/oxy/cbreaker",
+    "Rev": "547c334d658398c05b346c0b79d8f47ba2e1473b"
+  }, {
+    "ImportPath": "github.com/mailgun/oxy/forward",
+    "Rev": "547c334d658398c05b346c0b79d8f47ba2e1473b"
+  }, {
+    "ImportPath": "github.com/mailgun/oxy/memmetrics",
+    "Rev": "547c334d658398c05b346c0b79d8f47ba2e1473b"
+  }, {
+    "ImportPath": "github.com/mailgun/oxy/roundrobin",
+    "Rev": "547c334d658398c05b346c0b79d8f47ba2e1473b"
+  }, {
+    "ImportPath": "github.com/mailgun/oxy/utils",
+    "Rev": "547c334d658398c05b346c0b79d8f47ba2e1473b"
+  }, {
+    "ImportPath": "github.com/mailgun/predicate",
+    "Rev": "cb0bff91a7ab7cf7571e661ff883fc997bc554a3"
+  }, {
+    "ImportPath": "github.com/mailgun/timetools",
+    "Rev": "fd192d755b00c968d312d23f521eb0cdc6f66bd0"
+  }, {
+    "ImportPath": "github.com/samuel/go-zookeeper/zk",
+    "Rev": "fa6674abf3f4580b946a01bf7a1ce4ba8766205b"
+  }, {
+    "ImportPath": "github.com/opencontainers/runc/libcontainer/user",
+    "Comment": "v0.0.4-21-g4ab1324",
+    "Rev": "4ab132458fc3e9dbeea624153e0331952dc4c8d5"
+  }, {
+    "ImportPath": "github.com/samalba/dockerclient",
+    "Rev": "cfb489c624b635251a93e74e1e90eb0959c5367f"
+  }, {
+    "ImportPath": "github.com/thoas/stats",
+    "Rev": "54ed61c2b47e263ae2f01b86837b0c4bd1da28e8"
+  }, {
+    "ImportPath": "github.com/unrolled/render",
+    "Rev": "26b4e3aac686940fe29521545afad9966ddfc80c"
+  }, {
+    "ImportPath": "github.com/vdemeester/shakers",
+    "Rev": "8fe734f75f3a70b651cbfbf8a55a009da09e8dc5"
+  }, {
+    "ImportPath": "golang.org/x/net/context",
+    "Rev": "d9558e5c97f85372afee28cf2b6059d7d3818919"
+  }, {
+    "ImportPath": "gopkg.in/alecthomas/kingpin.v2",
+    "Comment": "v2.0.12",
+    "Rev": "639879d6110b1b0409410c7b737ef0bb18325038"
+  }, {
+    "ImportPath": "gopkg.in/check.v1",
+    "Rev": "11d3bc7aa68e238947792f30573146a3231fc0f1"
+  }, {
+    "ImportPath": "gopkg.in/fsnotify.v1",
+    "Comment": "v1.2.0",
+    "Rev": "96c060f6a6b7e0d6f75fddd10efeaca3e5d1bcb0"
+  }, {
+    "ImportPath": "gopkg.in/mgo.v2/bson",
+    "Comment": "r2015.06.03-5-g22287ba",
+    "Rev": "22287bab4379e1fbf6002fb4eb769888f3fb224c"
+  }, {
+    "ImportPath": "gopkg.in/yaml.v2",
+    "Rev": "7ad95dd0798a40da1ccdff6dff35fd177b5edf40"
+  }]
 }
--- a/3
+++ b/3
@ -47,6 +47,9 @@ validate-govet: build
 build: dist
 	docker build -t "$(TRAEFIK_DEV_IMAGE)" -f build.Dockerfile .

+build-no-cache: dist
+	docker build --no-cache -t "$(TRAEFIK_DEV_IMAGE)" -f build.Dockerfile .
+
 shell: build
 	$(DOCKER_RUN_TRAEFIK) /bin/bash

--- a/README.md
+++ b/README.md
@ -7,7 +7,7 @@ ___


 Træfɪk is a modern HTTP reverse proxy and load balancer made to deploy microservices with ease.
-It supports several backends ([Docker :whale:](https://www.docker.com/), [Mesos/Marathon](https://mesosphere.github.io/marathon/), [Consul](https://consul.io/), [Etcd](https://coreos.com/etcd/), Rest API, file...) to manage its configuration automatically and dynamically.
+It supports several backends ([Docker :whale:](https://www.docker.com/), [Mesos/Marathon](https://mesosphere.github.io/marathon/), [Consul](https://consul.io/), [Etcd](https://coreos.com/etcd/), [Zookeeper](https://zookeeper.apache.org), [BoltDB](https://github.com/boltdb/bolt), Rest API, file...) to manage its configuration automatically and dynamically.


 # Features
--- a/boltdb.go
+++ b/boltdb.go
@ -0,0 +1,14 @@
+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)
+}
--- a/configuration.go
+++ b/configuration.go
@ -10,7 +10,6 @@ type GlobalConfiguration struct {
 	GraceTimeOut      int64
 	AccessLogsFile    string
 	TraefikLogsFile   string
-	TraefikLogsStdout bool
 	CertFile, KeyFile string
 	LogLevel          string
 	Docker            *DockerProvider
@ -18,6 +17,9 @@ type GlobalConfiguration struct {
 	Web               *WebProvider
 	Marathon          *MarathonProvider
 	Consul            *ConsulProvider
+	Etcd              *EtcdProvider
+	Zookeeper         *ZookepperProvider
+	Boltdb            *BoltDbProvider
 }

 func NewGlobalConfiguration() *GlobalConfiguration {
@ -26,7 +28,6 @@ func NewGlobalConfiguration() *GlobalConfiguration {
 	globalConfiguration.Port = ":80"
 	globalConfiguration.GraceTimeOut = 10
 	globalConfiguration.LogLevel = "ERROR"
-	globalConfiguration.TraefikLogsStdout = true

 	return globalConfiguration
 }
--- a/consul.go
+++ b/consul.go
@ -1,165 +1,14 @@
 package main

-import (
-	"bytes"
-	"net/http"
-	"strings"
-	"text/template"
-
-	"github.com/BurntSushi/toml"
-	"github.com/BurntSushi/ty/fun"
-	log "github.com/Sirupsen/logrus"
-	"github.com/hashicorp/consul/api"
-)
-
-type Key struct {
-	Value string
-}
-
 type ConsulProvider struct {
-	Watch        bool
-	Endpoint     string
-	Prefix       string
-	Filename     string
-	consulClient *api.Client
+	Watch      bool
+	Endpoint   string
+	Prefix     string
+	Filename   string
+	KvProvider *KvProvider
 }

-var kvClient *api.KV
-
-var ConsulFuncMap = template.FuncMap{
-	"List": func(keys ...string) []string {
-		joinedKeys := strings.Join(keys, "")
-		keysPairs, _, err := kvClient.Keys(joinedKeys, "/", nil)
-		if err != nil {
-			log.Error("Error getting keys ", joinedKeys, err)
-			return nil
-		}
-		keysPairs = fun.Filter(func(key string) bool {
-			if key == joinedKeys {
-				return false
-			}
-			return true
-		}, keysPairs).([]string)
-		return keysPairs
-	},
-	"Get": func(keys ...string) string {
-		joinedKeys := strings.Join(keys, "")
-		keyPair, _, err := kvClient.Get(joinedKeys, nil)
-		if err != nil {
-			log.Error("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)-2]
-	},
-}
-
-func NewConsulProvider() *ConsulProvider {
-	consulProvider := new(ConsulProvider)
-	// default values
-	consulProvider.Watch = true
-	consulProvider.Prefix = "traefik"
-
-	return consulProvider
-}
-
-func (provider *ConsulProvider) Provide(configurationChan chan<- configMessage) {
-	config := &api.Config{
-		Address:    provider.Endpoint,
-		Scheme:     "http",
-		HttpClient: http.DefaultClient,
-	}
-	consulClient, _ := api.NewClient(config)
-	provider.consulClient = consulClient
-	if provider.Watch {
-		keypairs, meta, err := consulClient.KV().Keys("", "", nil)
-		if keypairs == nil {
-			log.Error("Key was not found")
-		} else if err != nil {
-			log.Error("Error connecting to consul %s", err)
-		} else {
-			var waitIndex uint64
-			waitIndex = meta.LastIndex
-			go func() {
-				for {
-					opts := api.QueryOptions{
-						WaitIndex: waitIndex,
-					}
-					keypairs, meta, err := consulClient.KV().Keys("", "", &opts)
-					if keypairs == nil {
-						log.Error("Key was not found")
-					} else if err != nil {
-						log.Error("Error connecting to consul %s", err)
-					} else {
-						waitIndex = meta.LastIndex
-						configuration := provider.loadConsulConfig()
-						if configuration != nil {
-							configurationChan <- configMessage{"consul", configuration}
-						}
-					}
-				}
-			}()
-		}
-	}
-	configuration := provider.loadConsulConfig()
-	configurationChan <- configMessage{"consul", configuration}
-}
-
-func (provider *ConsulProvider) loadConsulConfig() *Configuration {
-	configuration := new(Configuration)
-	services := []*api.CatalogService{}
-	kvClient = provider.consulClient.KV()
-
-	servicesName, _, _ := provider.consulClient.Catalog().Services(nil)
-	for serviceName := range servicesName {
-		catalogServices, _, _ := provider.consulClient.Catalog().Service(serviceName, "", nil)
-		for _, catalogService := range catalogServices {
-			services = append(services, catalogService)
-		}
-	}
-
-	templateObjects := struct {
-		Services []*api.CatalogService
-	}{
-		services,
-	}
-
-	tmpl := template.New(provider.Filename).Funcs(ConsulFuncMap)
-	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/consul.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 consul template:", err)
-		return nil
-	}
-
-	if _, err := toml.Decode(buffer.String(), configuration); err != nil {
-		log.Error("Error creating consul configuration:", err)
-		return nil
-	}
-
-	return configuration
+func (provider *ConsulProvider) Provide(configurationChan chan<- configMessage) error {
+	provider.KvProvider = NewConsulProvider(provider)
+	return provider.KvProvider.provide(configurationChan)
 }
--- a/docker.go
+++ b/docker.go
@ -22,15 +22,6 @@ type DockerProvider struct {
 	Domain   string
 }

-func NewDockerProvider() *DockerProvider {
-	dockerProvider := new(DockerProvider)
-	// default
-	dockerProvider.Watch = true
-	dockerProvider.Domain = "traefik"
-
-	return dockerProvider
-}
-
 var DockerFuncMap = template.FuncMap{
 	"getBackend": func(container docker.Container) string {
 		for key, value := range container.Config.Labels {
@ -65,13 +56,15 @@ var DockerFuncMap = template.FuncMap{
 	"getHost": getHost,
 }

-func (provider *DockerProvider) Provide(configurationChan chan<- configMessage) {
+func (provider *DockerProvider) Provide(configurationChan chan<- configMessage) error {
 	if dockerClient, err := docker.NewClient(provider.Endpoint); err != nil {
-		log.Fatalf("Failed to create a client for docker, error: %s", err)
+		log.Errorf("Failed to create a client for docker, error: %s", err)
+		return err
 	} else {
 		err := dockerClient.Ping()
 		if err != nil {
-			log.Fatalf("Docker connection error %+v", err)
+			log.Errorf("Docker connection error %+v", err)
+			return err
 		}
 		log.Debug("Docker connection established")
 		if provider.Watch {
@ -108,6 +101,7 @@ func (provider *DockerProvider) Provide(configurationChan chan<- configMessage)
 		configuration := provider.loadDockerConfig(dockerClient)
 		configurationChan <- configMessage{"docker", configuration}
 	}
+	return nil
 }

 func (provider *DockerProvider) loadDockerConfig(dockerClient *docker.Client) *Configuration {
--- a/docs/ROADMAP.md
+++ b/docs/ROADMAP.md
@ -1,35 +0,0 @@
-![Træfɪk](http://traefik.github.io/traefik.logo.svg "Træfɪk")
-___
-
-# Roadmap
-
-* Add traefik.protocol label
-* Providers recovery
-* tls client verification
-* Default configuration values
-* Retry with streams
-* Licence
-* Add traefik.indlude all/enabled policy
-* Consul support
-* README
-* API enhancements
-* Godoc
-
-
-* Kubernetes support
-* Etcd support
-* Smart configuration diff
-
-
-* ~~GraceTimeout~~
-* ~~Weights~~
-* ~~Filter traefik.enabled=false apps~~
-* ~~Filter no exposed port apps~~
-* ~~Logs~~
-* ~~SSL frontend support~~
-* ~~SSL backends support~~
-* ~~Static files with go-bindata~~
-* ~~Metrics~~
-* ~~Dockerfile~~
-* ~~Use Negroni middlewares for metrics, grace, logs~~
-* ~~Website~~
--- a/docs/index.md
+++ b/docs/index.md
@ -11,6 +11,9 @@ ___
 * [Docker backend](#docker)
 * [Mesos/Marathon backend](#marathon)
 * [Consul backend](#consul)
+* [Etcd backend](#etcd)
+* [Zookeeper backend](#zk)
+* [Boltdb backend](#boltdb)
 * [Benchmarks](#benchmarks)


@ -257,106 +260,77 @@ $ curl -s "http://localhost:8080/health" | jq .
 * ```/api```: ```GET``` configuration for all providers

 ```sh
-$ curl -s "http://localhost:8082/api" | jq .
+$ curl -s "http://localhost:8080/api" | jq .
 {
  "file": {
    "Frontends": {
-      "frontend-traefik": {
+      "frontend2": {
        "Routes": {
-          "route-host-traefik": {
-            "Value": "traefik.docker.localhost",
-            "Rule": "Host"
+          "test_2": {
+            "Value": "/test",
+            "Rule": "Path"
          }
        },
-        "Backend": "backend-test2"
+        "Backend": "backend1"
      },
-      "frontend-test": {
+      "frontend1": {
        "Routes": {
-          "route-host-test": {
-            "Value": "test.docker.localhost",
+          "test_1": {
+            "Value": "test.localhost",
            "Rule": "Host"
          }
        },
-        "Backend": "backend-test1"
+        "Backend": "backend2"
      }
    },
    "Backends": {
-      "backend-test2": {
+      "backend2": {
+        "LoadBalancer": {
+          "Method": "drr"
+        },
+        "CircuitBreaker": null,
        "Servers": {
-          "server-stoic_brattain": {
-            "Weight": 0,
-            "Url": "http://172.17.0.8:80"
+          "server2": {
+            "Weight": 2,
+            "URL": "http://172.17.0.5:80"
          },
-          "server-jovial_khorana": {
-            "Weight": 0,
-            "Url": "http://172.17.0.12:80"
-          },
-          "server-jovial_franklin": {
-            "Weight": 0,
-            "Url": "http://172.17.0.11:80"
-          },
-          "server-elegant_panini": {
-            "Weight": 0,
-            "Url": "http://172.17.0.9:80"
-          },
-          "server-adoring_elion": {
-            "Weight": 0,
-            "Url": "http://172.17.0.10:80"
+          "server1": {
+            "Weight": 1,
+            "URL": "http://172.17.0.4:80"
          }
        }
      },
-      "backend-test1": {
+      "backend1": {
+        "LoadBalancer": {
+          "Method": "wrr"
+        },
+        "CircuitBreaker": {
+          "Expression": "NetworkErrorRatio() > 0.5"
+        },
        "Servers": {
-          "server-trusting_wozniak": {
-            "Weight": 0,
-            "Url": "http://172.17.0.5:80"
+          "server2": {
+            "Weight": 1,
+            "URL": "http://172.17.0.3:80"
          },
-          "server-sharp_jang": {
-            "Weight": 0,
-            "Url": "http://172.17.0.7:80"
-          },
-          "server-dreamy_feynman": {
-            "Weight": 0,
-            "Url": "http://172.17.0.6:80"
+          "server1": {
+            "Weight": 10,
+            "URL": "http://172.17.0.2:80"
          }
        }
      }
    }
-  },
-  "marathon": {
-    "Frontends": {
-      "frontend-marathon": {
-        "Routes": {
-          "route-host-marathon": {
-            "Value": "marathon.docker.localhost",
-            "Rule": "Host"
-          }
-        },
-        "Backend": "backend-marathon"
-      },
-    },
-    "Backends": {
-      "backend-marathon": {
-        "Servers": {
-          "server-marathon-1": {
-            "Weight": 0,
-            "Url": "http://172.17.0.8:802"
-          },
-        },
-      },
-    },
-  },
+  }
 }
-
 ```

-* ```/api/{provider}```: ```GET``` or ```PUT``` provider
-* ```/api/{provider}/backends```: ```GET``` backends
-* ```/api/{provider}/backends/{backend}```: ```GET``` a backend
-* ```/api/{provider}/backends/{backend}/servers```: ```GET``` servers in a backend
-* ```/api/{provider}/backends/{backend}/servers/{server}```: ```GET``` a server in a backend
-* ```/api/{provider}/frontends```: ```GET``` frontends
-* ```/api/{provider}/frontends/{frontend}```: ```GET``` a frontend
+* ```/api/providers```: ```GET``` providers
+* ```/api/providers/{provider}```: ```GET``` or ```PUT``` provider
+* ```/api/providers/{provider}/backends```: ```GET``` backends
+* ```/api/providers/{provider}/backends/{backend}```: ```GET``` a backend
+* ```/api/providers/{provider}/backends/{backend}/servers```: ```GET``` servers in a backend
+* ```/api/providers/{provider}/backends/{backend}/servers/{server}```: ```GET``` a server in a backend
+* ```/api/providers/{provider}/frontends```: ```GET``` frontends
+* ```/api/providers/{provider}/frontends/{frontend}```: ```GET``` a frontend


 ## <a id="docker"></a> Docker backend
@ -508,6 +482,126 @@ prefix = "traefik"
 # filename = "consul.tmpl"
 ```

+## <a id="etcd"></a> Etcd backend
+
+Træfɪk can be configured to use Etcd as a backend configuration:
+
+```toml
+################################################################
+# Etcd configuration backend
+################################################################
+
+# Enable Etcd configuration backend
+#
+# Optional
+#
+# [etcd]
+
+# Etcd server endpoint
+#
+# Required
+#
+# endpoint = "127.0.0.1:4001"
+
+# Enable watch Etcd changes
+#
+# Optional
+#
+# watch = true
+
+# Prefix used for KV store.
+#
+# Optional
+#
+# prefix = "/traefik"
+
+# Override default configuration template. For advanced users :)
+#
+# Optional
+#
+# filename = "etcd.tmpl"
+```
+
+## <a id="zk"></a> Zookeeper backend
+
+Træfɪk can be configured to use Zookeeper as a backend configuration:
+
+```toml
+################################################################
+# Zookeeper configuration backend
+################################################################
+
+# Enable Zookeeperconfiguration backend
+#
+# Optional
+#
+# [zookeeper]
+
+# Zookeeper server endpoint
+#
+# Required
+#
+# endpoint = "127.0.0.1:2181"
+
+# Enable watch Zookeeper changes
+#
+# Optional
+#
+# watch = true
+
+# Prefix used for KV store.
+#
+# Optional
+#
+# prefix = "/traefik"
+
+# Override default configuration template. For advanced users :)
+#
+# Optional
+#
+# filename = "zookeeper.tmpl"
+```
+
+## <a id="boltdb"></a> BoltDB backend
+
+Træfɪk can be configured to use BoltDB as a backend configuration:
+
+```toml
+################################################################
+# BoltDB configuration backend
+################################################################
+
+# Enable BoltDB configuration backend
+#
+# Optional
+#
+# [boltdb]
+
+# BoltDB file
+#
+# Required
+#
+# endpoint = "/my.db"
+
+# Enable watch BoltDB changes
+#
+# Optional
+#
+# watch = true
+
+# Prefix used for KV store.
+#
+# Optional
+#
+# prefix = "/traefik"
+
+# Override default configuration template. For advanced users :)
+#
+# Optional
+#
+# filename = "boltdb.tmpl"
+```
+

 ## <a id="benchmarks"></a> Benchmarks

--- a/etcd.go
+++ b/etcd.go
@ -0,0 +1,14 @@
+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)
+}
--- a/file.go
+++ b/file.go
@ -15,60 +15,49 @@ type FileProvider struct {
 	Filename string
 }

-func NewFileProvider() *FileProvider {
-	fileProvider := new(FileProvider)
-	// default values
-	fileProvider.Watch = true
-
-	return fileProvider
-}
-
-func (provider *FileProvider) Provide(configurationChan chan<- configMessage) {
+func (provider *FileProvider) Provide(configurationChan chan<- configMessage) error {
 	watcher, err := fsnotify.NewWatcher()
 	if err != nil {
 		log.Error("Error creating file watcher", err)
-		return
+		return err
 	}
-	defer watcher.Close()

 	file, err := os.Open(provider.Filename)
 	if err != nil {
 		log.Error("Error opening file", err)
-		return
+		return err
 	}
 	defer file.Close()

-	done := make(chan bool)
-	// Process events
-	go func() {
-		for {
-			select {
-			case event := <-watcher.Events:
-				if strings.Contains(event.Name, file.Name()) {
-					log.Debug("File event:", event)
-					configuration := provider.LoadFileConfig(file.Name())
-					if configuration != nil {
-						configurationChan <- configMessage{"file", configuration}
-					}
-				}
-			case error := <-watcher.Errors:
-				log.Error("Watcher event error", error)
-			}
-		}
-	}()
-
 	if provider.Watch {
+		// Process events
+		go func() {
+			defer watcher.Close()
+			for {
+				select {
+				case event := <-watcher.Events:
+					if strings.Contains(event.Name, file.Name()) {
+						log.Debug("File event:", event)
+						configuration := provider.LoadFileConfig(file.Name())
+						if configuration != nil {
+							configurationChan <- configMessage{"file", configuration}
+						}
+					}
+				case error := <-watcher.Errors:
+					log.Error("Watcher event error", error)
+				}
+			}
+		}()
 		err = watcher.Add(filepath.Dir(file.Name()))
-	}
-
-	if err != nil {
-		log.Error("Error adding file watcher", err)
-		return
+		if err != nil {
+			log.Error("Error adding file watcher", err)
+			return err
+		}
 	}

 	configuration := provider.LoadFileConfig(file.Name())
 	configurationChan <- configMessage{"file", configuration}
-	<-done
+	return nil
 }

 func (provider *FileProvider) LoadFileConfig(filename string) *Configuration {
--- a/integration/basic_test.go
+++ b/integration/basic_test.go
@ -15,14 +15,14 @@ func (s *SimpleSuite) TestNoOrInexistentConfigShouldFail(c *check.C) {
 	output, err := cmd.CombinedOutput()

 	c.Assert(err, checker.NotNil)
-	c.Assert(string(output), checker.Contains, "Error reading file open traefik.toml: no such file or directory")
+	c.Assert(string(output), checker.Contains, "Error reading file: open traefik.toml: no such file or directory")

 	nonExistentFile := "non/existent/file.toml"
 	cmd = exec.Command(traefikBinary, nonExistentFile)
 	output, err = cmd.CombinedOutput()

 	c.Assert(err, checker.NotNil)
-	c.Assert(string(output), checker.Contains, fmt.Sprintf("Error reading file open %s: no such file or directory", nonExistentFile))
+	c.Assert(string(output), checker.Contains, fmt.Sprintf("Error reading file: open %s: no such file or directory", nonExistentFile))
 }

 func (s *SimpleSuite) TestInvalidConfigShouldFail(c *check.C) {
@ -30,7 +30,7 @@ func (s *SimpleSuite) TestInvalidConfigShouldFail(c *check.C) {
 	output, err := cmd.CombinedOutput()

 	c.Assert(err, checker.NotNil)
-	c.Assert(string(output), checker.Contains, "Error reading file Near line 1")
+	c.Assert(string(output), checker.Contains, "Error reading file: Near line 1")
 }

 func (s *SimpleSuite) TestSimpleDefaultConfig(c *check.C) {
--- a/integration/resources/compose/consul.yml
+++ b/integration/resources/compose/consul.yml
@ -10,12 +10,4 @@ consul:
    - "8301"
    - "8301/udp"
    - "8302"
-    - "8302/udp"
-
-registrator:
-  image: gliderlabs/registrator:master
-  command: -internal consulkv://consul:8500/traefik
-  volumes:
-    - /var/run/docker.sock:/tmp/docker.sock
-  links:
-    - consul
+    - "8302/udp"
--- a/kv.go
+++ b/kv.go
@ -0,0 +1,195 @@
+/*
+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
+}
--- a/marathon.go
+++ b/marathon.go
@ -21,16 +21,6 @@ type MarathonProvider struct {
 	NetworkInterface string
 }

-func NewMarathonProvider() *MarathonProvider {
-	marathonProvider := new(MarathonProvider)
-	// default values
-	marathonProvider.Watch = true
-	marathonProvider.Domain = "traefik"
-	marathonProvider.NetworkInterface = "eth0"
-
-	return marathonProvider
-}
-
 var MarathonFuncMap = template.FuncMap{
 	"getPort": func(task marathon.Task) string {
 		for _, port := range task.Ports {
@ -67,14 +57,14 @@ var MarathonFuncMap = template.FuncMap{
 	},
 }

-func (provider *MarathonProvider) Provide(configurationChan chan<- configMessage) {
+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
+		return err
 	}
 	provider.marathonClient = client
 	update := make(marathon.EventsChannel, 5)
@ -97,6 +87,7 @@ func (provider *MarathonProvider) Provide(configurationChan chan<- configMessage

 	configuration := provider.loadMarathonConfig()
 	configurationChan <- configMessage{"marathon", configuration}
+	return nil
 }

 func (provider *MarathonProvider) loadMarathonConfig() *Configuration {
--- a/provider.go
+++ b/provider.go
@ -1,5 +1,5 @@
 package main

 type Provider interface {
-	Provide(configurationChan chan<- configMessage)
+	Provide(configurationChan chan<- configMessage) error
 }
--- a/providerTemplates/consul.tmpl
+++ b/providerTemplates/consul.tmpl
@ -1,17 +1,17 @@
-{{$frontends := "frontends/" | List }}
-{{$backends := "backends/" | List }}
+{{$frontends := List .Prefix "/frontends/" }}
+{{$backends :=  List .Prefix "/backends/"}}

 {{range $backends}}
 {{$backend := .}}
-{{$servers := "servers/" | List $backend }}
+{{$servers := List $backend "/servers/" }}

-{{$circuitBreaker := Get . "circuitbreaker/" "expression"}}
+{{$circuitBreaker := Get . "/circuitbreaker/" "expression"}}
 {{with $circuitBreaker}}
 [backends.{{Last $backend}}.circuitBreaker]
    expression = "{{$circuitBreaker}}"
 {{end}}

-{{$loadBalancer := Get . "loadbalancer/" "method"}}
+{{$loadBalancer := Get . "/loadbalancer/" "method"}}
 {{with $loadBalancer}}
 [backends.{{Last $backend}}.loadBalancer]
    method = "{{$loadBalancer}}"
@ -28,7 +28,7 @@
    {{$frontend := Last .}}
    [frontends.{{$frontend}}]
    backend = "{{Get . "/backend"}}"
-    {{$routes := "routes/" | List .}}
+    {{$routes := List . "/routes/"}}
        {{range $routes}}
        [frontends.{{$frontend}}.routes.{{Last .}}]
        rule = "{{Get . "/rule"}}"
--- a/templates/configuration.tmpl
+++ b/templates/configuration.tmpl
@ -61,7 +61,7 @@
            {{range $keyProviders, $valueProviders := .Configurations}}
                {{range $keyBackends, $valueBackends := $valueProviders.Backends}}
                <div class="panel panel-primary" id="{{$keyBackends}}">
-                  <div class="panel-heading">{{$keyBackends}}({{$keyProviders}})</div>
+                  <div class="panel-heading">{{$keyBackends}} - ({{$keyProviders}})</div>
                    <div class="panel-body">
                        {{with $valueBackends.LoadBalancer}}
                        <a class="btn btn-info" role="button">
--- a/tests/consul-config.sh
+++ b/tests/consul-config.sh
@ -1,25 +1,25 @@
 #!/bin/sh

 # backend 1
-curl -i -H "Accept: application/json" -X PUT -d "NetworkErrorRatio() > 0.5"   http://localhost:8500/v1/kv/backends/backend1/circuitbreaker/expression
-curl -i -H "Accept: application/json" -X PUT -d "http://172.17.0.2:80"        http://localhost:8500/v1/kv/backends/backend1/servers/server1/url
-curl -i -H "Accept: application/json" -X PUT -d "10"                          http://localhost:8500/v1/kv/backends/backend1/servers/server1/weight
-curl -i -H "Accept: application/json" -X PUT -d "http://172.17.0.3:80"        http://localhost:8500/v1/kv/backends/backend1/servers/server2/url
-curl -i -H "Accept: application/json" -X PUT -d "1"                           http://localhost:8500/v1/kv/backends/backend1/servers/server2/weight
+curl -i -H "Accept: application/json" -X PUT -d "NetworkErrorRatio() > 0.5"   http://localhost:8500/v1/kv/traefik/backends/backend1/circuitbreaker/expression
+curl -i -H "Accept: application/json" -X PUT -d "http://172.17.0.2:80"        http://localhost:8500/v1/kv/traefik/backends/backend1/servers/server1/url
+curl -i -H "Accept: application/json" -X PUT -d "10"                          http://localhost:8500/v1/kv/traefik/backends/backend1/servers/server1/weight
+curl -i -H "Accept: application/json" -X PUT -d "http://172.17.0.3:80"        http://localhost:8500/v1/kv/traefik/backends/backend1/servers/server2/url
+curl -i -H "Accept: application/json" -X PUT -d "1"                           http://localhost:8500/v1/kv/traefik/backends/backend1/servers/server2/weight

 # backend 2
-curl -i -H "Accept: application/json" -X PUT -d "drr"                         http://localhost:8500/v1/kv/backends/backend2/loadbalancer/method
-curl -i -H "Accept: application/json" -X PUT -d "http://172.17.0.4:80"        http://localhost:8500/v1/kv/backends/backend2/servers/server1/url
-curl -i -H "Accept: application/json" -X PUT -d "1"                           http://localhost:8500/v1/kv/backends/backend2/servers/server1/weight
-curl -i -H "Accept: application/json" -X PUT -d "http://172.17.0.5:80"        http://localhost:8500/v1/kv/backends/backend2/servers/server2/url
-curl -i -H "Accept: application/json" -X PUT -d "2"                           http://localhost:8500/v1/kv/backends/backend2/servers/server2/weight
+curl -i -H "Accept: application/json" -X PUT -d "drr"                         http://localhost:8500/v1/kv/traefik/backends/backend2/loadbalancer/method
+curl -i -H "Accept: application/json" -X PUT -d "http://172.17.0.4:80"        http://localhost:8500/v1/kv/traefik/backends/backend2/servers/server1/url
+curl -i -H "Accept: application/json" -X PUT -d "1"                           http://localhost:8500/v1/kv/traefik/backends/backend2/servers/server1/weight
+curl -i -H "Accept: application/json" -X PUT -d "http://172.17.0.5:80"        http://localhost:8500/v1/kv/traefik/backends/backend2/servers/server2/url
+curl -i -H "Accept: application/json" -X PUT -d "2"                           http://localhost:8500/v1/kv/traefik/backends/backend2/servers/server2/weight

 # frontend 1
-curl -i -H "Accept: application/json" -X PUT -d "backend2"                    http://localhost:8500/v1/kv/frontends/frontend1/backend
-curl -i -H "Accept: application/json" -X PUT -d "Host"                        http://localhost:8500/v1/kv/frontends/frontend1/routes/test_1/rule
-curl -i -H "Accept: application/json" -X PUT -d "test.localhost"              http://localhost:8500/v1/kv/frontends/frontend1/routes/test_1/value
+curl -i -H "Accept: application/json" -X PUT -d "backend2"                    http://localhost:8500/v1/kv/traefik/frontends/frontend1/backend
+curl -i -H "Accept: application/json" -X PUT -d "Host"                        http://localhost:8500/v1/kv/traefik/frontends/frontend1/routes/test_1/rule
+curl -i -H "Accept: application/json" -X PUT -d "test.localhost"              http://localhost:8500/v1/kv/traefik/frontends/frontend1/routes/test_1/value

 # frontend 2
-curl -i -H "Accept: application/json" -X PUT -d "backend1"                    http://localhost:8500/v1/kv/frontends/frontend2/backend
-curl -i -H "Accept: application/json" -X PUT -d "Path"                        http://localhost:8500/v1/kv/frontends/frontend2/routes/test_2/rule
-curl -i -H "Accept: application/json" -X PUT -d "/test"                       http://localhost:8500/v1/kv/frontends/frontend2/routes/test_2/value
+curl -i -H "Accept: application/json" -X PUT -d "backend1"                    http://localhost:8500/v1/kv/traefik/frontends/frontend2/backend
+curl -i -H "Accept: application/json" -X PUT -d "Path"                        http://localhost:8500/v1/kv/traefik/frontends/frontend2/routes/test_2/rule
+curl -i -H "Accept: application/json" -X PUT -d "/test"                       http://localhost:8500/v1/kv/traefik/frontends/frontend2/routes/test_2/value
--- a/traefik.go
+++ b/traefik.go
@ -12,9 +12,11 @@ import (
 	"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/gorilla/mux"
 	"github.com/mailgun/manners"
@ -86,7 +88,7 @@ func main() {
 	} else {
 		log.SetFormatter(&log.TextFormatter{FullTimestamp: true, DisableSorting: true})
 	}
-
+	log.Debugf("Global configuration loaded %s", spew.Sdump(globalConfiguration))
 	configurationRouter = LoadDefaultConfig(globalConfiguration)

 	// listen new configurations from providers
@ -94,7 +96,8 @@ func main() {

 		for {
 			configMsg := <-configurationChan
-			log.Infof("Configuration receveived from provider %v: %+v", configMsg.providerName, configMsg.configuration)
+			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) {
@ -147,13 +150,25 @@ func main() {
 	if globalConfiguration.Consul != nil {
 		providers = append(providers, globalConfiguration.Consul)
 	}
+	if globalConfiguration.Etcd != nil {
+		providers = append(providers, globalConfiguration.Etcd)
+	}
+	if globalConfiguration.Zookeeper != nil {
+		providers = append(providers, globalConfiguration.Zookeeper)
+	}
+	if globalConfiguration.Boltdb != nil {
+		providers = append(providers, globalConfiguration.Boltdb)
+	}

 	// start providers
 	for _, provider := range providers {
 		log.Infof("Starting provider %v %+v", reflect.TypeOf(provider), provider)
 		currentProvider := provider
 		go func() {
-			currentProvider.Provide(configurationChan)
+			err := currentProvider.Provide(configurationChan)
+			if err != nil {
+				log.Errorf("Error starting provider %s", err)
+			}
 		}()
 	}

@ -176,6 +191,7 @@ func main() {

 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 {
@ -243,13 +259,16 @@ func LoadConfig(configurations configs, globalConfiguration *GlobalConfiguration
 				log.Debugf("Creating backend %s", frontend.Backend)
 				var lb http.Handler
 				rr, _ := roundrobin.New(fwd)
+				if configuration.Backends[frontend.Backend] == nil {
+					return nil, errors.New("Backend not found: " + frontend.Backend)
+				}
 				lbMethod, err := NewLoadBalancerMethod(configuration.Backends[frontend.Backend].LoadBalancer)
 				if err != nil {
 					configuration.Backends[frontend.Backend].LoadBalancer = &LoadBalancer{Method: "wrr"}
 				}
 				switch lbMethod {
 				case drr:
-					log.Debugf("Creating load-balancer drr")
+					log.Infof("Creating load-balancer drr")
 					rebalancer, _ := roundrobin.NewRebalancer(rr, roundrobin.RebalancerLogger(oxyLogger))
 					lb = rebalancer
 					for serverName, server := range configuration.Backends[frontend.Backend].Servers {
@ -257,31 +276,31 @@ func LoadConfig(configurations configs, globalConfiguration *GlobalConfiguration
 						if err != nil {
 							return nil, err
 						}
-						log.Debugf("Creating server %s %s", serverName, url.String())
+						log.Infof("Creating server %s %s", serverName, url.String())
 						rebalancer.UpsertServer(url, roundrobin.Weight(server.Weight))
 					}
 				case wrr:
-					log.Debugf("Creating load-balancer wrr")
+					log.Infof("Creating load-balancer wrr")
 					lb = rr
 					for serverName, server := range configuration.Backends[frontend.Backend].Servers {
 						url, err := url.Parse(server.URL)
 						if err != nil {
 							return nil, err
 						}
-						log.Debugf("Creating server %s %s", serverName, url.String())
+						log.Infof("Creating server %s %s", serverName, url.String())
 						rr.UpsertServer(url, roundrobin.Weight(server.Weight))
 					}
 				}
 				var negroni = negroni.New()
 				if configuration.Backends[frontend.Backend].CircuitBreaker != nil {
-					log.Debugf("Creating circuit breaker %s", configuration.Backends[frontend.Backend].CircuitBreaker.Expression)
+					log.Infof("Creating circuit breaker %s", configuration.Backends[frontend.Backend].CircuitBreaker.Expression)
 					negroni.Use(middlewares.NewCircuitBreaker(lb, configuration.Backends[frontend.Backend].CircuitBreaker.Expression, cbreaker.Logger(oxyLogger)))
 				} else {
 					negroni.UseHandler(lb)
 				}
 				backends[frontend.Backend] = negroni
 			} else {
-				log.Debugf("Reusing backend %s", frontend.Backend)
+				log.Infof("Reusing backend %s", frontend.Backend)
 			}
 			//		stream.New(backends[frontend.Backend], stream.Retry("IsNetworkError() && Attempts() <= " + strconv.Itoa(globalConfiguration.Replay)), stream.Logger(oxyLogger))

@ -306,8 +325,7 @@ func Invoke(any interface{}, name string, args ...interface{}) []reflect.Value {
 func LoadFileConfig(file string) *GlobalConfiguration {
 	configuration := NewGlobalConfiguration()
 	if _, err := toml.DecodeFile(file, configuration); err != nil {
-		log.Fatal("Error reading file ", err)
+		fmtlog.Fatalf("Error reading file: %s", err)
 	}
-	log.Debugf("Global configuration loaded %+v", configuration)
 	return configuration
 }
--- a/traefik.sample.toml
+++ b/traefik.sample.toml
@ -147,7 +147,7 @@
 #
 # endpoint = "http://127.0.0.1:8080"

-# Network interface used to call Marathon web services
+# Network interface used to call Marathon web services. Needed in case of multiple network interfaces.
 # Optional
 # Default: "eth0"
 #
@ -199,7 +199,7 @@
 #
 # Optional
 #
-# prefix = "traefik"
+# prefix = "/traefik"

 # Override default configuration template. For advanced users :)
 #
@ -208,6 +208,112 @@
 # filename = "consul.tmpl"


+################################################################
+# Etcd configuration backend
+################################################################
+
+# Enable Etcd configuration backend
+#
+# Optional
+#
+# [etcd]
+
+# Etcd server endpoint
+#
+# Required
+#
+# endpoint = "127.0.0.1:4001"
+
+# Enable watch Etcd changes
+#
+# Optional
+#
+# watch = true
+
+# Prefix used for KV store.
+#
+# Optional
+#
+# prefix = "/traefik"
+
+# Override default configuration template. For advanced users :)
+#
+# Optional
+#
+# filename = "etcd.tmpl"
+
+
+################################################################
+# Zookeeper configuration backend
+################################################################
+
+# Enable Zookeeperconfiguration backend
+#
+# Optional
+#
+# [zookeeper]
+
+# Zookeeper server endpoint
+#
+# Required
+#
+# endpoint = "127.0.0.1:2181"
+
+# Enable watch Zookeeper changes
+#
+# Optional
+#
+# watch = true
+
+# Prefix used for KV store.
+#
+# Optional
+#
+# prefix = "/traefik"
+
+# Override default configuration template. For advanced users :)
+#
+# Optional
+#
+# filename = "zookeeper.tmpl"
+
+
+################################################################
+# BoltDB configuration backend
+################################################################
+
+# Enable BoltDB configuration backend
+#
+# Optional
+#
+# [boltdb]
+
+# BoltDB file
+#
+# Required
+#
+# endpoint = "/my.db"
+
+# Enable watch BoltDB changes
+#
+# Optional
+#
+# watch = true
+
+# Prefix used for KV store.
+#
+# Optional
+#
+# prefix = "/traefik"
+
+# Override default configuration template. For advanced users :)
+#
+# Optional
+#
+# filename = "boltdb.tmpl"
+
+
+

 ################################################################
 # Sample rules
--- a/web.go
+++ b/web.go
@ -6,6 +6,7 @@ import (
 	"io/ioutil"
 	"net/http"

+	"github.com/BurntSushi/ty/fun"
 	log "github.com/Sirupsen/logrus"
 	"github.com/elazarl/go-bindata-assetfs"
 	"github.com/gorilla/mux"
@ -20,13 +21,14 @@ type Page struct {
 	Configurations configs
 }

-func (provider *WebProvider) Provide(configurationChan chan<- configMessage) {
+func (provider *WebProvider) Provide(configurationChan chan<- configMessage) error {
 	systemRouter := mux.NewRouter()
 	systemRouter.Methods("GET").Path("/").Handler(http.HandlerFunc(GetHTMLConfigHandler))
 	systemRouter.Methods("GET").Path("/health").Handler(http.HandlerFunc(GetHealthHandler))
 	systemRouter.Methods("GET").Path("/api").Handler(http.HandlerFunc(GetConfigHandler))
-	systemRouter.Methods("GET").Path("/api/{provider}").Handler(http.HandlerFunc(GetConfigHandler))
-	systemRouter.Methods("PUT").Path("/api/{provider}").Handler(http.HandlerFunc(
+	systemRouter.Methods("GET").Path("/api/providers").Handler(http.HandlerFunc(GetProvidersHandler))
+	systemRouter.Methods("GET").Path("/api/providers/{provider}").Handler(http.HandlerFunc(GetConfigHandler))
+	systemRouter.Methods("PUT").Path("/api/providers/{provider}").Handler(http.HandlerFunc(
 		func(rw http.ResponseWriter, r *http.Request) {
 			vars := mux.Vars(r)
 			if vars["provider"] != "web" {
@ -46,12 +48,12 @@ func (provider *WebProvider) Provide(configurationChan chan<- configMessage) {
 				http.Error(rw, fmt.Sprintf("%+v", err), http.StatusBadRequest)
 			}
 		}))
-	systemRouter.Methods("GET").Path("/api/{provider}/backends").Handler(http.HandlerFunc(GetBackendsHandler))
-	systemRouter.Methods("GET").Path("/api/{provider}/backends/{backend}").Handler(http.HandlerFunc(GetBackendHandler))
-	systemRouter.Methods("GET").Path("/api/{provider}/backends/{backend}/servers").Handler(http.HandlerFunc(GetServersHandler))
-	systemRouter.Methods("GET").Path("/api/{provider}/backends/{backend}/servers/{server}").Handler(http.HandlerFunc(GetServerHandler))
-	systemRouter.Methods("GET").Path("/api/{provider}/frontends").Handler(http.HandlerFunc(GetFrontendsHandler))
-	systemRouter.Methods("GET").Path("/api/{provider}/frontends/{frontend}").Handler(http.HandlerFunc(GetFrontendHandler))
+	systemRouter.Methods("GET").Path("/api/providers/{provider}/backends").Handler(http.HandlerFunc(GetBackendsHandler))
+	systemRouter.Methods("GET").Path("/api/providers/{provider}/backends/{backend}").Handler(http.HandlerFunc(GetBackendHandler))
+	systemRouter.Methods("GET").Path("/api/providers/{provider}/backends/{backend}/servers").Handler(http.HandlerFunc(GetServersHandler))
+	systemRouter.Methods("GET").Path("/api/providers/{provider}/backends/{backend}/servers/{server}").Handler(http.HandlerFunc(GetServerHandler))
+	systemRouter.Methods("GET").Path("/api/providers/{provider}/frontends").Handler(http.HandlerFunc(GetFrontendsHandler))
+	systemRouter.Methods("GET").Path("/api/providers/{provider}/frontends/{frontend}").Handler(http.HandlerFunc(GetFrontendHandler))
 	systemRouter.Methods("GET").PathPrefix("/static/").Handler(http.StripPrefix("/static/", http.FileServer(&assetfs.AssetFS{Asset: Asset, AssetDir: AssetDir, Prefix: "static"})))

 	go func() {
@ -67,6 +69,7 @@ func (provider *WebProvider) Provide(configurationChan chan<- configMessage) {
 			}
 		}
 	}()
+	return nil
 }

 func GetConfigHandler(rw http.ResponseWriter, r *http.Request) {
@ -81,6 +84,10 @@ func GetHealthHandler(rw http.ResponseWriter, r *http.Request) {
 	templatesRenderer.JSON(rw, http.StatusOK, metrics.Data())
 }

+func GetProvidersHandler(rw http.ResponseWriter, r *http.Request) {
+	templatesRenderer.JSON(rw, http.StatusOK, fun.Keys(currentConfigurations))
+}
+
 func GetBackendsHandler(rw http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
 	providerId := vars["provider"]
--- a/zk.go
+++ b/zk.go
@ -0,0 +1,14 @@
+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)
+}