Merge pull request #823 from containous/fix-mkdoc-theme

Fix mkdoc theme

.travis.yml

@@ -20,6 +20,7 @@ install:
 - docker version
 - pip install --user mkdocs
 - pip install --user pymdown-extensions
+- pip install --user mkdocs-bootswatch
 before_script:
 - make validate
 - make binary

CHANGELOG.md

@@ -1,5 +1,66 @@
 # Change Log
 
+## [v1.1.0-rc4](https://github.com/containous/traefik/tree/v1.1.0-rc4) (2016-11-10)
+[Full Changelog](https://github.com/containous/traefik/compare/v1.1.0-rc3...v1.1.0-rc4)
+
+**Implemented enhancements:**
+
+- Feature Request: Enable Health checks to containers. [\#540](https://github.com/containous/traefik/issues/540)
+
+**Fixed bugs:**
+
+- Traefik stopped serving on upgrade to v1.1.0-rc3 [\#807](https://github.com/containous/traefik/issues/807)
+- Traefik cannot read constraints from KV [\#794](https://github.com/containous/traefik/issues/794)
+- HTTP2 - configuration [\#790](https://github.com/containous/traefik/issues/790)
+- Allow multiple certificates on a single entrypoint when trying to use TLS? [\#747](https://github.com/containous/traefik/issues/747)
+
+**Closed issues:**
+
+- LoadBalancing doesn't work in single node Swarm-mode [\#815](https://github.com/containous/traefik/issues/815)
+- cannot connect to docker daemon [\#813](https://github.com/containous/traefik/issues/813)
+- Let's encrypt configuration not working [\#805](https://github.com/containous/traefik/issues/805)
+- Question: Wildcard Host for Kubernetes Ingress [\#792](https://github.com/containous/traefik/issues/792)
+- Multiple subdomains for Marathon backend. [\#785](https://github.com/containous/traefik/issues/785)
+- traefik-1.1.0-rc1: build error [\#781](https://github.com/containous/traefik/issues/781)
+- Multiple routes support with Docker or Marathon labels [\#118](https://github.com/containous/traefik/issues/118)
+
+**Merged pull requests:**
+
+- Prepare release v1.1.0 rc4 [\#822](https://github.com/containous/traefik/pull/822) ([emilevauge](https://github.com/emilevauge))
+- Fix multiple issues [\#814](https://github.com/containous/traefik/pull/814) ([emilevauge](https://github.com/emilevauge))
+- Fix ACME renew & add version check [\#783](https://github.com/containous/traefik/pull/783) ([emilevauge](https://github.com/emilevauge))
+- Use first port by default [\#782](https://github.com/containous/traefik/pull/782) ([guilhem](https://github.com/guilhem))
+
+## [v1.1.0-rc3](https://github.com/containous/traefik/tree/v1.1.0-rc3) (2016-10-26)
+[Full Changelog](https://github.com/containous/traefik/compare/v1.1.0-rc2...v1.1.0-rc3)
+
+**Fixed bugs:**
+
+- Cannot provide multiple certificates using flag [\#757](https://github.com/containous/traefik/issues/757)
+- traefik \* Users: unsupported type: slice [\#743](https://github.com/containous/traefik/issues/743)
+- \[Docker swarm mode\] The traefik.docker.network seems to have no effect [\#719](https://github.com/containous/traefik/issues/719)
+- Case sensitive domain names breaks routing  [\#562](https://github.com/containous/traefik/issues/562)
+
+**Closed issues:**
+
+- dependencies installation error [\#755](https://github.com/containous/traefik/issues/755)
+- k8s provider w/ acme? [\#752](https://github.com/containous/traefik/issues/752)
+- Documented ProvidersThrottleDuration value is invalid [\#741](https://github.com/containous/traefik/issues/741)
+- Loadbalaning issues with traefik and Docker Swarm cluster [\#730](https://github.com/containous/traefik/issues/730)
+- issues with marathon app ids containing a dot [\#726](https://github.com/containous/traefik/issues/726)
+- How Routing traffic depending on path not domain in docker [\#706](https://github.com/containous/traefik/issues/706)
+- Traefik crashes when using Consul catalog [\#699](https://github.com/containous/traefik/issues/699)
+- File Watcher for rules does not work  [\#683](https://github.com/containous/traefik/issues/683)
+
+**Merged pull requests:**
+
+- Fix ResponseRecorder Flush [\#776](https://github.com/containous/traefik/pull/776) ([emilevauge](https://github.com/emilevauge))
+- Use sdnotify for systemd [\#768](https://github.com/containous/traefik/pull/768) ([guilhem](https://github.com/guilhem))
+- Fix providers throttle duration doc [\#760](https://github.com/containous/traefik/pull/760) ([emilevauge](https://github.com/emilevauge))
+- Fix mapstructure issue with anonymous slice [\#759](https://github.com/containous/traefik/pull/759) ([emilevauge](https://github.com/emilevauge))
+- Fix multiple certificates using flag [\#758](https://github.com/containous/traefik/pull/758) ([emilevauge](https://github.com/emilevauge))
+- Really fix deploy ghr... [\#748](https://github.com/containous/traefik/pull/748) ([emilevauge](https://github.com/emilevauge))
+
 ## [v1.1.0-rc2](https://github.com/containous/traefik/tree/v1.1.0-rc2) (2016-10-17)
 [Full Changelog](https://github.com/containous/traefik/compare/v1.1.0-rc1...v1.1.0-rc2)
 

README.md

@@ -52,7 +52,7 @@ Run it and forget it!
 - Circuit breakers on backends
 - Round Robin, rebalancer load-balancers
 - Rest Metrics
-- [Tiny](https://imagelayers.io/?images=traefik) [official](https://hub.docker.com/r/_/traefik/) docker image included
+- [Tiny](https://microbadger.com/images/traefik) [official](https://hub.docker.com/r/_/traefik/) docker image included
 - SSL backends support
 - SSL frontend support (with SNI)
 - Clean AngularJS Web UI
@@ -159,9 +159,10 @@ Founded in 2014, Asteris creates next-generation infrastructure software for the
 
 - Emile Vauge [@emilevauge](https://github.com/emilevauge)
 - Vincent Demeester [@vdemeester](https://github.com/vdemeester)
-- Samuel Berthe [@samber](https://github.com/samber)
 - Russell Clare [@Russell-IO](https://github.com/Russell-IO)
 - Ed Robinson [@errm](https://github.com/errm)
+- Daniel Tomcej [@dtomcej](https://github.com/dtomcej)
+- Manuel Laufenberg [@SantoDE](https://github.com/SantoDE)
 
 ## Credits
 

acme/acme.go

@@ -136,12 +136,14 @@ func (a *ACME) CreateClusterConfig(leadership *cluster.Leadership, tlsConfig *tl
 	leadership.Pool.AddGoCtx(func(ctx context.Context) {
 		log.Infof("Starting ACME renew job...")
 		defer log.Infof("Stopped ACME renew job...")
-		select {
-		case <-ctx.Done():
-			return
-		case <-ticker.C:
-			if err := a.renewCertificates(); err != nil {
-				log.Errorf("Error renewing ACME certificate: %s", err.Error())
+		for {
+			select {
+			case <-ctx.Done():
+				return
+			case <-ticker.C:
+				if err := a.renewCertificates(); err != nil {
+					log.Errorf("Error renewing ACME certificate: %s", err.Error())
+				}
 			}
 		}
 	})
@@ -251,7 +253,6 @@ func (a *ACME) CreateLocalConfig(tlsConfig *tls.Config, checkOnDemandDomain func
 		needRegister = true
 	}
 
-	log.Infof("buildACMEClient...")
 	a.client, err = a.buildACMEClient(account)
 	if err != nil {
 		return err
@@ -269,7 +270,7 @@ func (a *ACME) CreateLocalConfig(tlsConfig *tls.Config, checkOnDemandDomain func
 
 	// The client has a URL to the current Let's Encrypt Subscriber
 	// Agreement. The user will need to agree to it.
-	log.Infof("AgreeToTOS...")
+	log.Debugf("AgreeToTOS...")
 	err = a.client.AgreeToTOS()
 	if err != nil {
 		// Let's Encrypt Subscriber Agreement renew ?
@@ -373,11 +374,6 @@ func (a *ACME) renewCertificates() error {
 	account := a.store.Get().(*Account)
 	for _, certificateResource := range account.DomainsCertificate.Certs {
 		if certificateResource.needRenew() {
-			transaction, object, err := a.store.Begin()
-			if err != nil {
-				return err
-			}
-			account = object.(*Account)
 			log.Debugf("Renewing certificate %+v", certificateResource.Domains)
 			renewedCert, err := a.client.RenewCertificate(acme.CertificateResource{
 				Domain:        certificateResource.Certificate.Domain,
@@ -398,6 +394,11 @@ func (a *ACME) renewCertificates() error {
 				PrivateKey:    renewedCert.PrivateKey,
 				Certificate:   renewedCert.Certificate,
 			}
+			transaction, object, err := a.store.Begin()
+			if err != nil {
+				return err
+			}
+			account = object.(*Account)
 			err = account.DomainsCertificate.renewCertificates(renewedACMECert, certificateResource.Domains)
 			if err != nil {
 				log.Errorf("Error renewing certificate: %v", err)

configuration.go

@@ -25,10 +25,11 @@ type TraefikConfiguration struct {
 type GlobalConfiguration struct {
 	GraceTimeOut              int64                   `short:"g" description:"Duration to give active requests a chance to finish during hot-reload"`
 	Debug                     bool                    `short:"d" description:"Enable debug mode"`
+	CheckNewVersion           bool                    `description:"Periodically check if a new version has been released"`
 	AccessLogsFile            string                  `description:"Access logs file"`
 	TraefikLogsFile           string                  `description:"Traefik logs file"`
 	LogLevel                  string                  `short:"l" description:"Log level"`
-	EntryPoints               EntryPoints             `description:"Entrypoints definition using format: --entryPoints='Name:http Address::8000 Redirect.EntryPoint:https' --entryPoints='Name:https Address::4442 TLS:tests/traefik.crt,tests/traefik.key'"`
+	EntryPoints               EntryPoints             `description:"Entrypoints definition using format: --entryPoints='Name:http Address::8000 Redirect.EntryPoint:https' --entryPoints='Name:https Address::4442 TLS:tests/traefik.crt,tests/traefik.key;prod/traefik.crt,prod/traefik.key'"`
 	Cluster                   *types.Cluster          `description:"Enable clustering"`
 	Constraints               types.Constraints       `description:"Filter services by constraint, matching with service tags"`
 	ACME                      *acme.ACME              `description:"Enable ACME (Let's Encrypt): automatic SSL"`
@@ -263,21 +264,28 @@ func (certs *Certificates) String() string {
 	if len(*certs) == 0 {
 		return ""
 	}
-	return (*certs)[0].CertFile + "," + (*certs)[0].KeyFile
+	var result []string
+	for _, certificate := range *certs {
+		result = append(result, certificate.CertFile+","+certificate.KeyFile)
+	}
+	return strings.Join(result, ";")
 }
 
 // Set is the method to set the flag value, part of the flag.Value interface.
 // Set's argument is a string to be parsed to set the flag.
 // It's a comma-separated list, so we split it.
 func (certs *Certificates) Set(value string) error {
-	files := strings.Split(value, ",")
-	if len(files) != 2 {
-		return errors.New("Bad certificates format: " + value)
+	certificates := strings.Split(value, ";")
+	for _, certificate := range certificates {
+		files := strings.Split(certificate, ",")
+		if len(files) != 2 {
+			return errors.New("Bad certificates format: " + value)
+		}
+		*certs = append(*certs, Certificate{
+			CertFile: files[0],
+			KeyFile:  files[1],
+		})
 	}
-	*certs = append(*certs, Certificate{
-		CertFile: files[0],
-		KeyFile:  files[1],
-	})
 	return nil
 }
 
@@ -321,54 +329,54 @@ func NewTraefikDefaultPointersConfiguration() *TraefikConfiguration {
 	defaultMarathon.Watch = true
 	defaultMarathon.Endpoint = "http://127.0.0.1:8080"
 	defaultMarathon.ExposedByDefault = true
-	defaultMarathon.Constraints = []types.Constraint{}
+	defaultMarathon.Constraints = types.Constraints{}
 
 	// default Consul
 	var defaultConsul provider.Consul
 	defaultConsul.Watch = true
 	defaultConsul.Endpoint = "127.0.0.1:8500"
 	defaultConsul.Prefix = "traefik"
-	defaultConsul.Constraints = []types.Constraint{}
+	defaultConsul.Constraints = types.Constraints{}
 
 	// default ConsulCatalog
 	var defaultConsulCatalog provider.ConsulCatalog
 	defaultConsulCatalog.Endpoint = "127.0.0.1:8500"
-	defaultConsulCatalog.Constraints = []types.Constraint{}
+	defaultConsulCatalog.Constraints = types.Constraints{}
 
 	// default Etcd
 	var defaultEtcd provider.Etcd
 	defaultEtcd.Watch = true
 	defaultEtcd.Endpoint = "127.0.0.1:2379"
 	defaultEtcd.Prefix = "/traefik"
-	defaultEtcd.Constraints = []types.Constraint{}
+	defaultEtcd.Constraints = types.Constraints{}
 
 	//default Zookeeper
 	var defaultZookeeper provider.Zookepper
 	defaultZookeeper.Watch = true
 	defaultZookeeper.Endpoint = "127.0.0.1:2181"
 	defaultZookeeper.Prefix = "/traefik"
-	defaultZookeeper.Constraints = []types.Constraint{}
+	defaultZookeeper.Constraints = types.Constraints{}
 
 	//default Boltdb
 	var defaultBoltDb provider.BoltDb
 	defaultBoltDb.Watch = true
 	defaultBoltDb.Endpoint = "127.0.0.1:4001"
 	defaultBoltDb.Prefix = "/traefik"
-	defaultBoltDb.Constraints = []types.Constraint{}
+	defaultBoltDb.Constraints = types.Constraints{}
 
 	//default Kubernetes
 	var defaultKubernetes provider.Kubernetes
 	defaultKubernetes.Watch = true
 	defaultKubernetes.Endpoint = ""
 	defaultKubernetes.LabelSelector = ""
-	defaultKubernetes.Constraints = []types.Constraint{}
+	defaultKubernetes.Constraints = types.Constraints{}
 
 	// default Mesos
 	var defaultMesos provider.Mesos
 	defaultMesos.Watch = true
 	defaultMesos.Endpoint = "http://127.0.0.1:5050"
 	defaultMesos.ExposedByDefault = true
-	defaultMesos.Constraints = []types.Constraint{}
+	defaultMesos.Constraints = types.Constraints{}
 
 	defaultConfiguration := GlobalConfiguration{
 		Docker:        &defaultDocker,
@@ -398,10 +406,11 @@ func NewTraefikConfiguration() *TraefikConfiguration {
 			TraefikLogsFile:           "",
 			LogLevel:                  "ERROR",
 			EntryPoints:               map[string]*EntryPoint{},
-			Constraints:               []types.Constraint{},
+			Constraints:               types.Constraints{},
 			DefaultEntryPoints:        []string{},
 			ProvidersThrottleDuration: time.Duration(2 * time.Second),
 			MaxIdleConnsPerHost:       200,
+			CheckNewVersion:           true,
 		},
 		ConfigFile: "",
 	}

contrib/systemd/traefik.service

@@ -2,6 +2,7 @@
 Description=Traefik
 
 [Service]
+Type=notify
 ExecStart=/usr/bin/traefik --configFile=/etc/traefik.toml
 Restart=on-failure
 

docs/toml.md

@@ -9,6 +9,28 @@
 # Global configuration
 ################################################################
 
+# Timeout in seconds.
+# Duration to give active requests a chance to finish during hot-reloads
+#
+# Optional
+# Default: 10
+#
+# graceTimeOut = 10
+
+# Enable debug mode
+#
+# Optional
+# Default: false
+#
+# debug = true
+
+# Periodically check if a new version has been released
+#
+# Optional
+# Default: true
+#
+# checkNewVersion = false
+
 # Traefik logs file
 # If not defined, logs to stdout
 #
@@ -31,14 +53,14 @@
 #
 # logLevel = "ERROR"
 
-# Backends throttle duration: minimum duration between 2 events from providers
+# Backends throttle duration: minimum duration in seconds 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"
+# Default: "2"
 #
-# ProvidersThrottleDuration = "5s"
+# ProvidersThrottleDuration = "5"
 
 # If non-zero, controls the maximum idle (keep-alive) to keep per-host.  If zero, DefaultMaxIdleConnsPerHost is used.
 # If you encounter 'too many open files' errors, you can either change this value, or change `ulimit` value.

glide.lock

@@ -1,5 +1,5 @@
-hash: 39ff28cc1d13d5915a870b14491ece1849c4eaf5a56cecd50a7676ecee6c6143
-updated: 2016-10-06T14:06:39.455848971+02:00
+hash: 1bbeb842ee639ccc6e2edf8cc13fc2759cb96e3d839a1aec7b7f6af4fb89c8e1
+updated: 2016-11-09T19:24:00.762904389+01:00
 imports:
 - name: github.com/abbot/go-http-auth
   version: cb4372376e1e00e9f6ab9ec142e029302c9e7140
@@ -24,13 +24,17 @@ imports:
 - name: github.com/containous/mux
   version: a819b77bba13f0c0cbe36e437bc2e948411b3996
 - name: github.com/containous/staert
-  version: 92329254783dc01174f03302d51d7cf2c9ff84cf
+  version: 1e26a71803e428fd933f5f9c8e50a26878f53147
 - name: github.com/coreos/etcd
   version: 1c9e0a0e33051fed6c05c141e6fcbfe5c7f2a899
   subpackages:
   - client
   - pkg/pathutil
   - pkg/types
+- name: github.com/coreos/go-systemd
+  version: 43e4800a6165b4e02bb2a36673c54b230d6f7b26
+  subpackages:
+  - daemon
 - name: github.com/davecgh/go-spew
   version: 6d212800a42e8ab5c146b8ace3490ee17e5225f9
   subpackages:
@@ -164,6 +168,10 @@ imports:
   - proto
 - name: github.com/golang/glog
   version: fca8c8854093a154ff1eb580aae10276ad6b1b5f
+- name: github.com/google/go-github
+  version: 55263f30529cb06f5b478efc333390b791cfe3b1
+  subpackages:
+  - github
 - name: github.com/google/go-querystring
   version: 9235644dd9e52eeae6fa48efd539fdc351a0af53
   subpackages:
@@ -176,6 +184,8 @@ imports:
   - api
 - name: github.com/hashicorp/go-cleanhttp
   version: ad28ea4487f05916463e2423a55166280e8254b5
+- name: github.com/hashicorp/go-version
+  version: e96d3840402619007766590ecea8dd7af1292276
 - name: github.com/hashicorp/serf
   version: b03bf85930b2349eb04b97c8fac437495296e3e7
   subpackages:
@@ -221,7 +231,7 @@ imports:
 - name: github.com/miekg/dns
   version: 5d001d020961ae1c184f9f8152fdc73810481677
 - name: github.com/mitchellh/mapstructure
-  version: ca63d7c062ee3c9f34db231e352b60012b4fd0c1
+  version: f3009df150dadf309fdee4a54ed65c124afad715
 - name: github.com/moul/http2curl
   version: b1479103caacaa39319f75e7f57fc545287fca0d
 - name: github.com/NYTimes/gziphandler
@@ -267,12 +277,14 @@ imports:
   - codec
 - name: github.com/unrolled/render
   version: 526faf80cd4b305bb8134abea8d20d5ced74faa6
+- name: github.com/urfave/negroni
+  version: e0e50f7dc431c043cb33f91b09c3419d48b7cff5
 - name: github.com/vdemeester/docker-events
   version: be74d4929ec1ad118df54349fda4b0cba60f849b
 - name: github.com/vdemeester/shakers
   version: 24d7f1d6a71aa5d9cbe7390e4afb66b7eef9e1b3
 - name: github.com/vulcand/oxy
-  version: 4298f24d572dc554eb984f2ffdf6bdd54d4bd613
+  version: fcc76b52eb8568540a020b7a99e854d9d752b364
   repo: https://github.com/containous/oxy.git
   vcs: git
   subpackages:
@@ -340,7 +352,7 @@ testImports:
 - name: github.com/libkermit/docker-check
   version: cbe0ef03b3d23070eac4d00ba8828f2cc7f7e5a3
 - name: github.com/spf13/pflag
-  version: 08b1a584251b5b62f458943640fc8ebd4d50aaa5
+  version: 5644820622454e71517561946e3d94b9f9db6842
 - name: github.com/vbatts/tar-split
   version: bd4c5d64c3e9297f410025a3b1bd0c58f659e721
   subpackages:

glide.yaml

@@ -6,11 +6,11 @@ import:
   - fun
 - package: github.com/Sirupsen/logrus
 - package: github.com/cenk/backoff
-- package: github.com/codegangsta/negroni
+- package: github.com/urfave/negroni
 - package: github.com/containous/flaeg
   version: a731c034dda967333efce5f8d276aeff11f8ff87
 - package: github.com/vulcand/oxy
-  version: 4298f24d572dc554eb984f2ffdf6bdd54d4bd613
+  version: fcc76b52eb8568540a020b7a99e854d9d752b364
   repo: https://github.com/containous/oxy.git
   vcs: git
   subpackages:
@@ -21,7 +21,7 @@ import:
   - stream
   - utils
 - package: github.com/containous/staert
-  version: 92329254783dc01174f03302d51d7cf2c9ff84cf
+  version: 1e26a71803e428fd933f5f9c8e50a26878f53147
 - package: github.com/docker/engine-api
   version: 62043eb79d581a32ea849645277023c550732e52
   subpackages:
@@ -102,3 +102,11 @@ import:
 - package: github.com/docker/leadership
 - package: github.com/satori/go.uuid
   version: ^1.1.0
+- package: github.com/mitchellh/mapstructure
+  version: f3009df150dadf309fdee4a54ed65c124afad715
+- package: github.com/coreos/go-systemd
+  version: v12
+  subpackages:
+  - daemon
+- package: github.com/google/go-github
+- package: github.com/hashicorp/go-version

middlewares/retry.go

@@ -9,6 +9,13 @@ import (
 	"net/http"
 )
 
+var (
+	_ http.ResponseWriter = &ResponseRecorder{}
+	_ http.Hijacker       = &ResponseRecorder{}
+	_ http.Flusher        = &ResponseRecorder{}
+	_ http.CloseNotifier  = &ResponseRecorder{}
+)
+
 // Retry is a middleware that retries requests
 type Retry struct {
 	attempts int
@@ -52,6 +59,7 @@ type ResponseRecorder struct {
 	Body      *bytes.Buffer // if non-nil, the bytes.Buffer to append written data to
 
 	responseWriter http.ResponseWriter
+	err            error
 }
 
 // NewRecorder returns an initialized ResponseRecorder.
@@ -75,10 +83,10 @@ func (rw *ResponseRecorder) Header() http.Header {
 
 // Write always succeeds and writes to rw.Body, if not nil.
 func (rw *ResponseRecorder) Write(buf []byte) (int, error) {
-	if rw.Body != nil {
-		return rw.Body.Write(buf)
+	if rw.err != nil {
+		return 0, rw.err
 	}
-	return 0, nil
+	return rw.Body.Write(buf)
 }
 
 // WriteHeader sets rw.Code.
@@ -90,3 +98,24 @@ func (rw *ResponseRecorder) WriteHeader(code int) {
 func (rw *ResponseRecorder) Hijack() (net.Conn, *bufio.ReadWriter, error) {
 	return rw.responseWriter.(http.Hijacker).Hijack()
 }
+
+// CloseNotify returns a channel that receives at most a
+// single value (true) when the client connection has gone
+// away.
+func (rw *ResponseRecorder) CloseNotify() <-chan bool {
+	return rw.responseWriter.(http.CloseNotifier).CloseNotify()
+}
+
+// Flush sends any buffered data to the client.
+func (rw *ResponseRecorder) Flush() {
+	_, err := rw.responseWriter.Write(rw.Body.Bytes())
+	if err != nil {
+		log.Errorf("Error writing response in ResponseRecorder: %s", err)
+		rw.err = err
+	}
+	rw.Body.Reset()
+	flusher, ok := rw.responseWriter.(http.Flusher)
+	if ok {
+		flusher.Flush()
+	}
+}

provider/boltdb.go

@@ -17,7 +17,7 @@ type BoltDb struct {
 
 // Provide allows the provider to provide configurations to traefik
 // using the given configuration channel.
-func (provider *BoltDb) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints []types.Constraint) error {
+func (provider *BoltDb) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints types.Constraints) error {
 	store, err := provider.CreateStore()
 	if err != nil {
 		return fmt.Errorf("Failed to Connect to KV store: %v", err)

provider/consul.go

@@ -17,7 +17,7 @@ type Consul struct {
 
 // Provide allows the provider to provide configurations to traefik
 // using the given configuration channel.
-func (provider *Consul) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints []types.Constraint) error {
+func (provider *Consul) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints types.Constraints) error {
 	store, err := provider.CreateStore()
 	if err != nil {
 		return fmt.Errorf("Failed to Connect to KV store: %v", err)

provider/consul_catalog.go

@@ -317,7 +317,7 @@ func (provider *ConsulCatalog) watch(configurationChan chan<- types.ConfigMessag
 
 // Provide allows the provider to provide configurations to traefik
 // using the given configuration channel.
-func (provider *ConsulCatalog) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints []types.Constraint) error {
+func (provider *ConsulCatalog) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints types.Constraints) error {
 	config := api.DefaultConfig()
 	config.Address = provider.Endpoint
 	client, err := api.NewClient(config)

provider/docker.go

@@ -114,7 +114,7 @@ func (provider *Docker) createClient() (client.APIClient, error) {
 
 // Provide allows the provider to provide configurations to traefik
 // using the given configuration channel.
-func (provider *Docker) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints []types.Constraint) error {
+func (provider *Docker) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints types.Constraints) error {
 	provider.Constraints = append(provider.Constraints, constraints...)
 	// TODO register this routine in pool, and watch for stop channel
 	safe.Go(func() {
@@ -364,10 +364,6 @@ func (provider *Docker) containerFilter(container dockerData) bool {
 		log.Debugf("Filtering container without port and no traefik.port label %s", container.Name)
 		return false
 	}
-	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 !isContainerEnabled(container, provider.ExposedByDefault) {
 		log.Debugf("Filtering disabled container %s", container.Name)

provider/docker_test.go

@@ -390,6 +390,27 @@ func TestDockerGetPort(t *testing.T) {
 			},
 			expected: "8080",
 		},
+		{
+			container: docker.ContainerJSON{
+				ContainerJSONBase: &docker.ContainerJSONBase{
+					Name: "test-multi-ports",
+				},
+				Config: &container.Config{
+					Labels: map[string]string{
+						"traefik.port": "8080",
+					},
+				},
+				NetworkSettings: &docker.NetworkSettings{
+					NetworkSettingsBase: docker.NetworkSettingsBase{
+						Ports: nat.PortMap{
+							"8080/tcp": {},
+							"80/tcp":   {},
+						},
+					},
+				},
+			},
+			expected: "8080",
+		},
 	}
 
 	for _, e := range containers {
@@ -735,7 +756,7 @@ func TestDockerTraefikFilter(t *testing.T) {
 		{
 			container: docker.ContainerJSON{
 				ContainerJSONBase: &docker.ContainerJSONBase{
-					Name: "container",
+					Name: "container-multi-ports",
 				},
 				Config: &container.Config{},
 				NetworkSettings: &docker.NetworkSettings{
@@ -748,7 +769,7 @@ func TestDockerTraefikFilter(t *testing.T) {
 				},
 			},
 			exposedByDefault: true,
-			expected:         false,
+			expected:         true,
 		},
 		{
 			container: docker.ContainerJSON{

provider/etcd.go

@@ -17,7 +17,7 @@ type Etcd struct {
 
 // Provide allows the provider to provide configurations to traefik
 // using the given configuration channel.
-func (provider *Etcd) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints []types.Constraint) error {
+func (provider *Etcd) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints types.Constraints) error {
 	store, err := provider.CreateStore()
 	if err != nil {
 		return fmt.Errorf("Failed to Connect to KV store: %v", err)

provider/file.go

@@ -21,7 +21,7 @@ type File struct {
 
 // Provide allows the provider to provide configurations to traefik
 // using the given configuration channel.
-func (provider *File) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, _ []types.Constraint) error {
+func (provider *File) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints types.Constraints) error {
 	watcher, err := fsnotify.NewWatcher()
 	if err != nil {
 		log.Error("Error creating file watcher", err)

provider/kubernetes.go

@@ -94,7 +94,7 @@ func (provider *Kubernetes) createClient() (k8s.Client, error) {
 
 // Provide allows the provider to provide configurations to traefik
 // using the given configuration channel.
-func (provider *Kubernetes) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints []types.Constraint) error {
+func (provider *Kubernetes) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints types.Constraints) error {
 	k8sClient, err := provider.createClient()
 	if err != nil {
 		return err

provider/kv.go

@@ -83,7 +83,7 @@ func (provider *Kv) watchKv(configurationChan chan<- types.ConfigMessage, prefix
 	return nil
 }
 
-func (provider *Kv) provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints []types.Constraint) error {
+func (provider *Kv) provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints types.Constraints) error {
 	provider.Constraints = append(provider.Constraints, constraints...)
 	operation := func() error {
 		if _, err := provider.kvclient.Exists("qmslkjdfmqlskdjfmqlksjazçueznbvbwzlkajzebvkwjdcqmlsfj"); err != nil {

provider/marathon.go

@@ -50,7 +50,7 @@ type lightMarathonClient interface {
 
 // Provide allows the provider to provide configurations to traefik
 // using the given configuration channel.
-func (provider *Marathon) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints []types.Constraint) error {
+func (provider *Marathon) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints types.Constraints) error {
 	provider.Constraints = append(provider.Constraints, constraints...)
 	operation := func() error {
 		config := marathon.NewDefaultConfig()
@@ -219,10 +219,7 @@ func (provider *Marathon) taskFilter(task marathon.Task, applications *marathon.
 		log.Debugf("Filtering marathon task %s specifying both traefik.portIndex and traefik.port labels", task.AppID)
 		return false
 	}
-	if portIndexLabel == "" && portValueLabel == "" && len(application.Ports) > 1 {
-		log.Debugf("Filtering marathon task %s with more than 1 port and no traefik.portIndex or traefik.port label", task.AppID)
-		return false
-	}
+
 	if portIndexLabel != "" {
 		index, err := strconv.Atoi((*application.Labels)["traefik.portIndex"])
 		if err != nil || index < 0 || index > len(application.Ports)-1 {

provider/marathon_test.go

@@ -371,30 +371,30 @@ func TestMarathonTaskFilter(t *testing.T) {
 		},
 		{
 			task: marathon.Task{
-				AppID: "foo",
-				Ports: []int{80},
+				AppID: "multiple-ports",
+				Ports: []int{80, 443},
 			},
 			applications: &marathon.Applications{
 				Apps: []marathon.Application{
 					{
-						ID:     "foo",
+						ID:     "multiple-ports",
 						Ports:  []int{80, 443},
 						Labels: &map[string]string{},
 					},
 				},
 			},
-			expected:         false,
+			expected:         true,
 			exposedByDefault: true,
 		},
 		{
 			task: marathon.Task{
-				AppID: "foo",
+				AppID: "disable",
 				Ports: []int{80},
 			},
 			applications: &marathon.Applications{
 				Apps: []marathon.Application{
 					{
-						ID:    "foo",
+						ID:    "disable",
 						Ports: []int{80},
 						Labels: &map[string]string{
 							"traefik.enable": "false",
@@ -523,7 +523,7 @@ func TestMarathonTaskFilter(t *testing.T) {
 		},
 		{
 			task: marathon.Task{
-				AppID: "foo",
+				AppID: "healthcheck-false",
 				Ports: []int{80},
 				HealthCheckResults: []*marathon.HealthCheckResult{
 					{
@@ -534,7 +534,7 @@ func TestMarathonTaskFilter(t *testing.T) {
 			applications: &marathon.Applications{
 				Apps: []marathon.Application{
 					{
-						ID:     "foo",
+						ID:     "healthcheck-false",
 						Ports:  []int{80},
 						Labels: &map[string]string{},
 						HealthChecks: &[]marathon.HealthCheck{
@@ -576,13 +576,13 @@ func TestMarathonTaskFilter(t *testing.T) {
 		},
 		{
 			task: marathon.Task{
-				AppID: "foo",
+				AppID: "single-port",
 				Ports: []int{80},
 			},
 			applications: &marathon.Applications{
 				Apps: []marathon.Application{
 					{
-						ID:     "foo",
+						ID:     "single-port",
 						Ports:  []int{80},
 						Labels: &map[string]string{},
 					},
@@ -593,7 +593,7 @@ func TestMarathonTaskFilter(t *testing.T) {
 		},
 		{
 			task: marathon.Task{
-				AppID: "foo",
+				AppID: "healthcheck-alive",
 				Ports: []int{80},
 				HealthCheckResults: []*marathon.HealthCheckResult{
 					{
@@ -604,7 +604,7 @@ func TestMarathonTaskFilter(t *testing.T) {
 			applications: &marathon.Applications{
 				Apps: []marathon.Application{
 					{
-						ID:     "foo",
+						ID:     "healthcheck-alive",
 						Ports:  []int{80},
 						Labels: &map[string]string{},
 						HealthChecks: &[]marathon.HealthCheck{
@@ -677,7 +677,7 @@ func TestMarathonTaskFilter(t *testing.T) {
 	for _, c := range cases {
 		actual := provider.taskFilter(c.task, c.applications, c.exposedByDefault)
 		if actual != c.expected {
-			t.Fatalf("expected %v, got %v", c.expected, actual)
+			t.Fatalf("App %s: expected %v, got %v", c.task.AppID, c.expected, actual)
 		}
 	}
 }
@@ -740,7 +740,7 @@ func TestMarathonAppConstraints(t *testing.T) {
 			MarathonLBCompatibility: c.marathonLBCompatibility,
 		}
 		constraint, _ := types.NewConstraint("tag==valid")
-		provider.Constraints = []types.Constraint{*constraint}
+		provider.Constraints = types.Constraints{constraint}
 		actual := provider.applicationFilter(c.application, c.filteredTasks)
 		if actual != c.expected {
 			t.Fatalf("expected %v, got %v: %v", c.expected, actual, c.application)
@@ -820,7 +820,7 @@ func TestMarathonTaskConstraints(t *testing.T) {
 			MarathonLBCompatibility: c.marathonLBCompatibility,
 		}
 		constraint, _ := types.NewConstraint("tag==valid")
-		provider.Constraints = []types.Constraint{*constraint}
+		provider.Constraints = types.Constraints{constraint}
 		apps := new(marathon.Applications)
 		apps.Apps = c.applications
 		actual := provider.taskFilter(c.filteredTask, apps, true)
@@ -927,12 +927,12 @@ func TestMarathonGetPort(t *testing.T) {
 		{
 			applications: []marathon.Application{
 				{
-					ID:     "test1",
+					ID:     "multiple-ports-take-first",
 					Labels: &map[string]string{},
 				},
 			},
 			task: marathon.Task{
-				AppID: "test1",
+				AppID: "multiple-ports-take-first",
 				Ports: []int{80, 443},
 			},
 			expected: "80",

provider/mesos.go

@@ -42,7 +42,7 @@ type Mesos struct {
 
 // Provide allows the provider to provide configurations to traefik
 // using the given configuration channel.
-func (provider *Mesos) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints []types.Constraint) error {
+func (provider *Mesos) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints types.Constraints) error {
 	operation := func() error {
 
 		// initialize logging
@@ -212,10 +212,6 @@ func mesosTaskFilter(task state.Task, exposedByDefaultFlag bool) bool {
 		log.Debugf("Filtering mesos task %s specifying both traefik.portIndex and traefik.port labels", task.Name)
 		return false
 	}
-	if portIndexLabel == "" && portValueLabel == "" && len(task.DiscoveryInfo.Ports.DiscoveryPorts) > 1 {
-		log.Debugf("Filtering mesos task %s with more than 1 port and no traefik.portIndex or traefik.port label", task.Name)
-		return false
-	}
 	if portIndexLabel != "" {
 		index, err := strconv.Atoi(labels(task, "traefik.portIndex"))
 		if err != nil || index < 0 || index > len(task.DiscoveryInfo.Ports.DiscoveryPorts)-1 {

provider/mesos_test.go

@@ -95,7 +95,7 @@ func TestMesosTaskFilter(t *testing.T) {
 				setLabels("traefik.enable", "true"),
 				discovery(setDiscoveryPorts("TCP", 80, "WEB HTTP", "TCP", 443, "WEB HTTPS")),
 			),
-			expected:         false, // more than 1 discovery port but no traefik.port* label
+			expected:         true, // Default to first index
 			exposedByDefault: true,
 		},
 		{

provider/provider.go

@@ -23,7 +23,7 @@ import (
 type Provider interface {
 	// Provide allows the provider to provide configurations to traefik
 	// using the given configuration channel.
-	Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints []types.Constraint) error
+	Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints types.Constraints) error
 }
 
 // BaseProvider should be inherited by providers
@@ -44,7 +44,7 @@ func (p *BaseProvider) MatchConstraints(tags []string) (bool, *types.Constraint)
 	for _, constraint := range p.Constraints {
 		// xor: if ok and constraint.MustMatch are equal, then no tag is currently matching with the constraint
 		if ok := constraint.MatchConstraintWithAtLeastOneTag(tags); ok != constraint.MustMatch {
-			return false, &constraint
+			return false, constraint
 		}
 	}
 

provider/provider_test.go

@@ -230,13 +230,13 @@ func TestNilClientTLS(t *testing.T) {
 
 func TestMatchingConstraints(t *testing.T) {
 	cases := []struct {
-		constraints []types.Constraint
+		constraints types.Constraints
 		tags        []string
 		expected    bool
 	}{
 		// simple test: must match
 		{
-			constraints: []types.Constraint{
+			constraints: types.Constraints{
 				{
 					Key:       "tag",
 					MustMatch: true,
@@ -250,7 +250,7 @@ func TestMatchingConstraints(t *testing.T) {
 		},
 		// simple test: must match but does not match
 		{
-			constraints: []types.Constraint{
+			constraints: types.Constraints{
 				{
 					Key:       "tag",
 					MustMatch: true,
@@ -264,7 +264,7 @@ func TestMatchingConstraints(t *testing.T) {
 		},
 		// simple test: must not match
 		{
-			constraints: []types.Constraint{
+			constraints: types.Constraints{
 				{
 					Key:       "tag",
 					MustMatch: false,
@@ -278,7 +278,7 @@ func TestMatchingConstraints(t *testing.T) {
 		},
 		// complex test: globbing
 		{
-			constraints: []types.Constraint{
+			constraints: types.Constraints{
 				{
 					Key:       "tag",
 					MustMatch: true,
@@ -292,7 +292,7 @@ func TestMatchingConstraints(t *testing.T) {
 		},
 		// complex test: multiple constraints
 		{
-			constraints: []types.Constraint{
+			constraints: types.Constraints{
 				{
 					Key:       "tag",
 					MustMatch: true,

provider/zk.go

@@ -17,7 +17,7 @@ type Zookepper struct {
 
 // Provide allows the provider to provide configurations to traefik
 // using the given configuration channel.
-func (provider *Zookepper) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints []types.Constraint) error {
+func (provider *Zookepper) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints types.Constraints) error {
 	store, err := provider.CreateStore()
 	if err != nil {
 		return fmt.Errorf("Failed to Connect to KV store: %v", err)

server.go

@@ -91,7 +91,7 @@ func NewServer(globalConfiguration GlobalConfiguration) *Server {
 	return server
 }
 
-// Start starts the server and blocks until server is shutted down.
+// Start starts the server.
 func (server *Server) Start() {
 	server.startHTTPServers()
 	server.startLeadership()
@@ -104,6 +104,10 @@ func (server *Server) Start() {
 	server.configureProviders()
 	server.startProviders()
 	go server.listenSignals()
+}
+
+// Wait blocks until server is shutted down.
+func (server *Server) Wait() {
 	<-server.stopChan
 }
 
@@ -208,11 +212,11 @@ func (server *Server) listenProviders(stop chan bool) {
 				lastConfigs.Set(configMsg.ProviderName, &configMsg)
 				lastReceivedConfigurationValue := lastReceivedConfiguration.Get().(time.Time)
 				if time.Now().After(lastReceivedConfigurationValue.Add(time.Duration(server.globalConfiguration.ProvidersThrottleDuration))) {
-					log.Debugf("Last %s config received more than %s, OK", configMsg.ProviderName, server.globalConfiguration.ProvidersThrottleDuration)
+					log.Debugf("Last %s config received more than %s, OK", configMsg.ProviderName, server.globalConfiguration.ProvidersThrottleDuration.String())
 					// last config received more than n s ago
 					server.configurationValidatedChan <- configMsg
 				} else {
-					log.Debugf("Last %s config received less than %s, waiting...", configMsg.ProviderName, server.globalConfiguration.ProvidersThrottleDuration)
+					log.Debugf("Last %s config received less than %s, waiting...", configMsg.ProviderName, server.globalConfiguration.ProvidersThrottleDuration.String())
 					safe.Go(func() {
 						<-time.After(server.globalConfiguration.ProvidersThrottleDuration)
 						lastReceivedConfigurationValue := lastReceivedConfiguration.Get().(time.Time)
@@ -379,6 +383,9 @@ func (server *Server) createTLSConfig(entryPointName string, tlsOption *TLS, rou
 		return nil, err
 	}
 
+	// ensure http2 enabled
+	config.NextProtos = []string{"h2", "http/1.1"}
+
 	if len(tlsOption.ClientCAFiles) > 0 {
 		pool := x509.NewCertPool()
 		for _, caFile := range tlsOption.ClientCAFiles {

traefik.go

@@ -11,6 +11,7 @@ import (
 	"runtime"
 	"strings"
 	"text/template"
+	"time"
 
 	"github.com/Sirupsen/logrus"
 	"github.com/containous/flaeg"
@@ -20,8 +21,10 @@ import (
 	"github.com/containous/traefik/log"
 	"github.com/containous/traefik/middlewares"
 	"github.com/containous/traefik/provider"
+	"github.com/containous/traefik/safe"
 	"github.com/containous/traefik/types"
 	"github.com/containous/traefik/version"
+	"github.com/coreos/go-systemd/daemon"
 	"github.com/docker/libkv/store"
 	"github.com/satori/go.uuid"
 )
@@ -261,6 +264,20 @@ func run(traefikConfiguration *TraefikConfiguration) {
 	}
 	jsonConf, _ := json.Marshal(globalConfiguration)
 	log.Infof("Traefik version %s built on %s", version.Version, version.BuildDate)
+
+	if globalConfiguration.CheckNewVersion {
+		ticker := time.NewTicker(24 * time.Hour)
+		safe.Go(func() {
+			version.CheckNewVersion()
+			for {
+				select {
+				case <-ticker.C:
+					version.CheckNewVersion()
+				}
+			}
+		})
+	}
+
 	if len(traefikConfiguration.ConfigFile) != 0 {
 		log.Infof("Using TOML configuration file %s", traefikConfiguration.ConfigFile)
 	}
@@ -268,6 +285,11 @@ func run(traefikConfiguration *TraefikConfiguration) {
 	server := NewServer(globalConfiguration)
 	server.Start()
 	defer server.Close()
+	sent, err := daemon.SdNotify("READY=1")
+	if !sent && err != nil {
+		log.Error("Fail to notify", err)
+	}
+	server.Wait()
 	log.Info("Shutting down")
 }
 

traefik.sample.toml

@@ -10,6 +10,20 @@
 #
 # graceTimeOut = 10
 
+# Enable debug mode
+#
+# Optional
+# Default: false
+#
+# debug = true
+
+# Periodically check if a new version has been released
+#
+# Optional
+# Default: true
+#
+# checkNewVersion = false
+
 # Traefik logs file
 # If not defined, logs to stdout
 #
@@ -30,14 +44,14 @@
 #
 # logLevel = "ERROR"
 
-# Backends throttle duration: minimum duration between 2 events from providers
+# Backends throttle duration: minimum duration in seconds 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"
+# Default: "2"
 #
-# ProvidersThrottleDuration = "5s"
+# ProvidersThrottleDuration = "5"
 
 # If non-zero, controls the maximum idle (keep-alive) to keep per-host.  If zero, DefaultMaxIdleConnsPerHost is used.
 # If you encounter 'too many open files' errors, you can either change this value, or change `ulimit` value.

types/types.go

@@ -1,6 +1,7 @@
 package types
 
 import (
+	"encoding"
 	"errors"
 	"fmt"
 	"github.com/docker/libkv/store"
@@ -141,11 +142,25 @@ func (c *Constraint) String() string {
 	return c.Key + "!=" + c.Regex
 }
 
+var _ encoding.TextUnmarshaler = (*Constraint)(nil)
+
 // UnmarshalText define how unmarshal in TOML parsing
 func (c *Constraint) UnmarshalText(text []byte) error {
 	constraint, err := NewConstraint(string(text))
-	*c = *constraint
-	return err
+	if err != nil {
+		return err
+	}
+	c.Key = constraint.Key
+	c.MustMatch = constraint.MustMatch
+	c.Regex = constraint.Regex
+	return nil
+}
+
+var _ encoding.TextMarshaler = (*Constraint)(nil)
+
+// MarshalText encodes the receiver into UTF-8-encoded text and returns the result.
+func (c *Constraint) MarshalText() (text []byte, err error) {
+	return []byte(c.String()), nil
 }
 
 // MatchConstraintWithAtLeastOneTag tests a constraint for one single service
@@ -169,16 +184,16 @@ func (cs *Constraints) Set(str string) error {
 		if err != nil {
 			return err
 		}
-		*cs = append(*cs, *constraint)
+		*cs = append(*cs, constraint)
 	}
 	return nil
 }
 
 // Constraints holds a Constraint parser
-type Constraints []Constraint
+type Constraints []*Constraint
 
 //Get []*Constraint
-func (cs *Constraints) Get() interface{} { return []Constraint(*cs) }
+func (cs *Constraints) Get() interface{} { return []*Constraint(*cs) }
 
 //String returns []*Constraint in string
 func (cs *Constraints) String() string { return fmt.Sprintf("%+v", *cs) }
@@ -216,12 +231,12 @@ type Users []string
 
 // Basic HTTP basic authentication
 type Basic struct {
-	Users
+	Users `mapstructure:","`
 }
 
 // Digest HTTP authentication
 type Digest struct {
-	Users
+	Users `mapstructure:","`
 }
 
 // CanonicalDomain returns a lower case domain with trim space

version/version.go

@@ -1,5 +1,12 @@
 package version
 
+import (
+	"github.com/containous/traefik/log"
+	"github.com/google/go-github/github"
+	goversion "github.com/hashicorp/go-version"
+	"net/url"
+)
+
 var (
 	// Version holds the current version of traefik.
 	Version = "dev"
@@ -8,3 +15,50 @@ var (
 	// BuildDate holds the build date of traefik.
 	BuildDate = "I don't remember exactly"
 )
+
+// CheckNewVersion checks if a new version is available
+func CheckNewVersion() {
+	if Version == "dev" {
+		return
+	}
+	client := github.NewClient(nil)
+	updateURL, err := url.Parse("https://update.traefik.io")
+	if err != nil {
+		log.Warnf("Error checking new version: %s", err)
+		return
+	}
+	client.BaseURL = updateURL
+	releases, resp, err := client.Repositories.ListReleases("containous", "traefik", nil)
+	if err != nil {
+		log.Warnf("Error checking new version: %s", err)
+		return
+	}
+
+	if resp.StatusCode != 200 {
+		log.Warnf("Error checking new version: status=%s", resp.Status)
+		return
+	}
+
+	currentVersion, err := goversion.NewVersion(Version)
+	if err != nil {
+		log.Warnf("Error checking new version: %s", err)
+		return
+	}
+
+	for _, release := range releases {
+		releaseVersion, err := goversion.NewVersion(*release.TagName)
+		if err != nil {
+			log.Warnf("Error checking new version: %s", err)
+			return
+		}
+
+		if len(currentVersion.Prerelease()) == 0 && len(releaseVersion.Prerelease()) > 0 {
+			continue
+		}
+
+		if releaseVersion.GreaterThan(currentVersion) {
+			log.Warnf("A new release has been found: %s. Please consider updating.", releaseVersion.String())
+			return
+		}
+	}
+}

web.go

@@ -50,7 +50,7 @@ func goroutines() interface{} {
 
 // Provide allows the provider to provide configurations to traefik
 // using the given configuration channel.
-func (provider *WebProvider) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, _ []types.Constraint) error {
+func (provider *WebProvider) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, _ types.Constraints) error {
 
 	systemRouter := mux.NewRouter()