fix healthcheck path

cmd/traefik/traefik.go

@@ -24,7 +24,6 @@ import (
 	"github.com/containous/traefik/log"
 	"github.com/containous/traefik/provider/ecs"
 	"github.com/containous/traefik/provider/kubernetes"
-	"github.com/containous/traefik/provider/rancher"
 	"github.com/containous/traefik/safe"
 	"github.com/containous/traefik/server"
 	"github.com/containous/traefik/server/uuid"
@@ -121,6 +120,8 @@ Complete documentation is available at https://traefik.io`,
 		Config:                traefikConfiguration,
 		DefaultPointersConfig: traefikPointersConfiguration,
 		Run: func() error {
+			traefikConfiguration.GlobalConfiguration.SetEffectiveConfiguration()
+
 			if traefikConfiguration.Web == nil {
 				fmt.Println("Please enable the web provider to use healtcheck.")
 				os.Exit(1)
@@ -134,7 +135,8 @@ Complete documentation is available at https://traefik.io`,
 				}
 				client.Transport = tr
 			}
-			resp, err := client.Head(protocol + "://" + traefikConfiguration.Web.Address + "/ping")
+
+			resp, err := client.Head(protocol + "://" + traefikConfiguration.Web.Address + traefikConfiguration.Web.Path + "ping")
 			if err != nil {
 				fmt.Printf("Error calling healthcheck: %s\n", err)
 				os.Exit(1)
@@ -238,47 +240,7 @@ func run(globalConfiguration *configuration.GlobalConfiguration) {
 
 	http.DefaultTransport.(*http.Transport).Proxy = http.ProxyFromEnvironment
 
-	if len(globalConfiguration.EntryPoints) == 0 {
+	globalConfiguration.SetEffectiveConfiguration()
-		globalConfiguration.EntryPoints = map[string]*configuration.EntryPoint{"http": {
-			Address:          ":80",
-			ForwardedHeaders: &configuration.ForwardedHeaders{Insecure: true},
-		}}
-		globalConfiguration.DefaultEntryPoints = []string{"http"}
-	}
-
-	if globalConfiguration.Rancher != nil {
-		// Ensure backwards compatibility for now
-		if len(globalConfiguration.Rancher.AccessKey) > 0 ||
-			len(globalConfiguration.Rancher.Endpoint) > 0 ||
-			len(globalConfiguration.Rancher.SecretKey) > 0 {
-
-			if globalConfiguration.Rancher.API == nil {
-				globalConfiguration.Rancher.API = &rancher.APIConfiguration{
-					AccessKey: globalConfiguration.Rancher.AccessKey,
-					SecretKey: globalConfiguration.Rancher.SecretKey,
-					Endpoint:  globalConfiguration.Rancher.Endpoint,
-				}
-			}
-			log.Warn("Deprecated configuration found: rancher.[accesskey|secretkey|endpoint]. " +
-				"Please use rancher.api.[accesskey|secretkey|endpoint] instead.")
-		}
-
-		if globalConfiguration.Rancher.Metadata != nil && len(globalConfiguration.Rancher.Metadata.Prefix) == 0 {
-			globalConfiguration.Rancher.Metadata.Prefix = "latest"
-		}
-	}
-
-	if globalConfiguration.Debug {
-		globalConfiguration.LogLevel = "DEBUG"
-	}
-
-	// ForwardedHeaders must be remove in the next breaking version
-	for entryPointName := range globalConfiguration.EntryPoints {
-		entryPoint := globalConfiguration.EntryPoints[entryPointName]
-		if entryPoint.ForwardedHeaders == nil {
-			entryPoint.ForwardedHeaders = &configuration.ForwardedHeaders{Insecure: true}
-		}
-	}
 
 	// logging
 	level, err := logrus.ParseLevel(strings.ToLower(globalConfiguration.LogLevel))
@@ -286,6 +248,7 @@ func run(globalConfiguration *configuration.GlobalConfiguration) {
 		log.Error("Error getting level", err)
 	}
 	log.SetLevel(level)
+
 	if len(globalConfiguration.TraefikLogsFile) > 0 {
 		dir := filepath.Dir(globalConfiguration.TraefikLogsFile)
 

configuration/configuration.go

@@ -80,6 +80,56 @@ type GlobalConfiguration struct {
 	DynamoDB                  *dynamodb.Provider      `description:"Enable DynamoDB backend with default settings" export:"true"`
 }
 
+// SetEffectiveConfiguration adds missing configuration parameters derived from existing ones.
+// It also takes care of maintaining backwards compatibility.
+func (gc *GlobalConfiguration) SetEffectiveConfiguration() {
+	if len(gc.EntryPoints) == 0 {
+		gc.EntryPoints = map[string]*EntryPoint{"http": {
+			Address:          ":80",
+			ForwardedHeaders: &ForwardedHeaders{Insecure: true},
+		}}
+		gc.DefaultEntryPoints = []string{"http"}
+	}
+
+	// ForwardedHeaders must be remove in the next breaking version
+	for entryPointName := range gc.EntryPoints {
+		entryPoint := gc.EntryPoints[entryPointName]
+		if entryPoint.ForwardedHeaders == nil {
+			entryPoint.ForwardedHeaders = &ForwardedHeaders{Insecure: true}
+		}
+	}
+
+	if gc.Rancher != nil {
+		// Ensure backwards compatibility for now
+		if len(gc.Rancher.AccessKey) > 0 ||
+			len(gc.Rancher.Endpoint) > 0 ||
+			len(gc.Rancher.SecretKey) > 0 {
+
+			if gc.Rancher.API == nil {
+				gc.Rancher.API = &rancher.APIConfiguration{
+					AccessKey: gc.Rancher.AccessKey,
+					SecretKey: gc.Rancher.SecretKey,
+					Endpoint:  gc.Rancher.Endpoint,
+				}
+			}
+			log.Warn("Deprecated configuration found: rancher.[accesskey|secretkey|endpoint]. " +
+				"Please use rancher.api.[accesskey|secretkey|endpoint] instead.")
+		}
+
+		if gc.Rancher.Metadata != nil && len(gc.Rancher.Metadata.Prefix) == 0 {
+			gc.Rancher.Metadata.Prefix = "latest"
+		}
+	}
+
+	if gc.Debug {
+		gc.LogLevel = "DEBUG"
+	}
+
+	if gc.Web != nil && (gc.Web.Path == "" || !strings.HasSuffix(gc.Web.Path, "/")) {
+		gc.Web.Path += "/"
+	}
+}
+
 // DefaultEntryPoints holds default entry points
 type DefaultEntryPoints []string
 

provider/web/web.go

@@ -56,17 +56,9 @@ func goroutines() interface{} {
 // Provide allows the provider to provide configurations to traefik
 // using the given configuration channel.
 func (provider *Provider) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, _ types.Constraints) error {
-
 	systemRouter := mux.NewRouter()
 
-	if provider.Path == "" {
-		provider.Path = "/"
-	}
-
 	if provider.Path != "/" {
-		if provider.Path[len(provider.Path)-1:] != "/" {
-			provider.Path += "/"
-		}
 		systemRouter.Methods("GET").Path("/").HandlerFunc(func(response http.ResponseWriter, request *http.Request) {
 			http.Redirect(response, request, provider.Path, 302)
 		})

server/server.go

@@ -337,7 +337,7 @@ func (server *Server) listenProviders(stop chan bool) {
 				lastReceivedConfigurationValue := lastReceivedConfiguration.Get().(time.Time)
 				providersThrottleDuration := time.Duration(server.globalConfiguration.ProvidersThrottleDuration)
 				if time.Now().After(lastReceivedConfigurationValue.Add(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 {