Logrus logging backend https://github.com/EmileVauge/traefik/issues/15

Godeps/Godeps.json

@@ -1,9 +1,6 @@
 {
 	"ImportPath": "github.com/emilevauge/traefik",
-	"GoVersion": "go1.5",
-	"Packages": [
-		"./..."
-	],
+	"GoVersion": "go1.4.2",
 	"Deps": [
 		{
 			"ImportPath": "github.com/BurntSushi/toml",
@@ -13,6 +10,11 @@
 			"ImportPath": "github.com/BurntSushi/ty",
 			"Rev": "6add9cd6ad42d389d6ead1dde60b4ad71e46fd74"
 		},
+		{
+			"ImportPath": "github.com/Sirupsen/logrus",
+			"Comment": "v0.8.7",
+			"Rev": "418b41d23a1bf978c06faea5313ba194650ac088"
+		},
 		{
 			"ImportPath": "github.com/alecthomas/template",
 			"Rev": "b867cc6ab45cece8143cfcc6fc9c77cf3f2c23c0"
@@ -95,10 +97,6 @@
 			"ImportPath": "github.com/mailgun/timetools",
 			"Rev": "fd192d755b00c968d312d23f521eb0cdc6f66bd0"
 		},
-		{
-			"ImportPath": "github.com/op/go-logging",
-			"Rev": "e8d5414f0947014548c2334044a0fac13187dfee"
-		},
 		{
 			"ImportPath": "github.com/thoas/stats",
 			"Rev": "54ed61c2b47e263ae2f01b86837b0c4bd1da28e8"

adapters.go

@@ -2,25 +2,27 @@
 Copyright
 */
 package main
+
 import (
-	"net/http"
-	"github.com/mailgun/oxy/utils"
+	log "github.com/Sirupsen/logrus"
 	"github.com/gorilla/mux"
+	"github.com/mailgun/oxy/utils"
+	"net/http"
 )
 
-type OxyLogger struct{
+type OxyLogger struct {
 }
 
 func (oxylogger *OxyLogger) Infof(format string, args ...interface{}) {
-	log.Debug(format, args...)
+	log.Debugf(format, args...)
 }
 
 func (oxylogger *OxyLogger) Warningf(format string, args ...interface{}) {
-	log.Warning(format, args...)
+	log.Warningf(format, args...)
 }
 
 func (oxylogger *OxyLogger) Errorf(format string, args ...interface{}) {
-	log.Error(format, args...)
+	log.Errorf(format, args...)
 }
 
 type ErrorHandler struct {

consul.go

@@ -1,16 +1,16 @@
 package main
 
 import (
-	"github.com/hashicorp/consul/api"
-	"text/template"
 	"bytes"
 	"github.com/BurntSushi/toml"
-	"strings"
 	"github.com/BurntSushi/ty/fun"
+	log "github.com/Sirupsen/logrus"
+	"github.com/hashicorp/consul/api"
 	"net/http"
+	"strings"
+	"text/template"
 )
 
-
 type Key struct {
 	Value string
 }
@@ -22,6 +22,7 @@ type ConsulProvider struct {
 	Filename     string
 	consulClient *api.Client
 }
+
 var kvClient *api.KV
 
 var ConsulFuncMap = template.FuncMap{
@@ -33,7 +34,7 @@ var ConsulFuncMap = template.FuncMap{
 			return nil
 		}
 		keysPairs = fun.Filter(func(key string) bool {
-			if (key == joinedKeys) {
+			if key == joinedKeys {
 				return false
 			}
 			return true
@@ -51,7 +52,7 @@ var ConsulFuncMap = template.FuncMap{
 	},
 	"Last": func(key string) string {
 		splittedKey := strings.Split(key, "/")
-		return splittedKey[len(splittedKey) -2]
+		return splittedKey[len(splittedKey)-2]
 	},
 }
 
@@ -64,7 +65,7 @@ func NewConsulProvider() *ConsulProvider {
 	return consulProvider
 }
 
-func (provider *ConsulProvider) Provide(configurationChan chan <- *Configuration) {
+func (provider *ConsulProvider) Provide(configurationChan chan<- *Configuration) {
 	config := &api.Config{
 		Address:    provider.Endpoint,
 		Scheme:     "http",
@@ -106,10 +107,10 @@ func (provider *ConsulProvider) loadConsulConfig() *Configuration {
 	kvClient = provider.consulClient.KV()
 
 	servicesName, _, _ := provider.consulClient.Catalog().Services(nil)
-	for serviceName, _ := range servicesName {
+	for serviceName := range servicesName {
 		catalogServices, _, _ := provider.consulClient.Catalog().Service(serviceName, "", nil)
 		for _, catalogService := range catalogServices {
-			services= append(services, catalogService)
+			services = append(services, catalogService)
 		}
 	}
 

docker.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"github.com/BurntSushi/toml"
 	"github.com/BurntSushi/ty/fun"
+	log "github.com/Sirupsen/logrus"
 	"github.com/cenkalti/backoff"
 	"github.com/fsouza/go-dockerclient"
 	"strconv"
@@ -85,7 +86,7 @@ func (provider *DockerProvider) Provide(configurationChan chan<- *Configuration)
 							//							log.Fatalf("Docker connection error")
 						}
 						if event.Status == "start" || event.Status == "die" {
-							log.Debug("Docker event receveived %+v", event)
+							log.Debugf("Docker event receveived %+v", event)
 							configuration := provider.loadDockerConfig(dockerClient)
 							if configuration != nil {
 								configurationChan <- configuration
@@ -94,7 +95,7 @@ func (provider *DockerProvider) Provide(configurationChan chan<- *Configuration)
 					}
 				}
 				notify := func(err error, time time.Duration) {
-					log.Error("Docker connection error %+v, retrying in %s", err, time)
+					log.Errorf("Docker connection error %+v, retrying in %s", err, time)
 				}
 				err := backoff.RetryNotify(operation, backoff.NewExponentialBackOff(), notify)
 				if err != nil {
@@ -123,16 +124,16 @@ func (provider *DockerProvider) loadDockerConfig(dockerClient *docker.Client) *C
 	// filter containers
 	filteredContainers := fun.Filter(func(container docker.Container) bool {
 		if len(container.NetworkSettings.Ports) == 0 {
-			log.Debug("Filtering container without port %s", container.Name)
+			log.Debugf("Filtering container without port %s", container.Name)
 			return false
 		}
 		_, err := strconv.Atoi(container.Config.Labels["traefik.port"])
 		if len(container.NetworkSettings.Ports) > 1 && err != nil {
-			log.Debug("Filtering container with more than 1 port and no traefik.port label %s", container.Name)
+			log.Debugf("Filtering container with more than 1 port and no traefik.port label %s", container.Name)
 			return false
 		}
 		if container.Config.Labels["traefik.enable"] == "false" {
-			log.Debug("Filtering disabled container %s", container.Name)
+			log.Debugf("Filtering disabled container %s", container.Name)
 			return false
 		}
 		return true

docs/index.md

@@ -69,18 +69,12 @@ A circuit breaker can also be applied to a backend, preventing high loads on fai
 # graceTimeOut = 10
 
 # Traefik logs file
+# If not defined, logs to stdout
 #
 # Optional
 #
 # traefikLogsFile = "log/traefik.log"
 
-# Traefik log to standard output
-#
-# Optional
-# Default: true
-#
-# traefikLogsStdout = true
-
 # Access logs file
 #
 # Optional
@@ -114,7 +108,6 @@ Like any other reverse proxy, Træfɪk can be configured with a file. You have t
 port = ":80"
 graceTimeOut = 10
 logLevel = "DEBUG"
-traefikLogsStdout = true
 
 [file]
 
@@ -153,7 +146,6 @@ traefikLogsStdout = true
 port = ":80"
 graceTimeOut = 10
 logLevel = "DEBUG"
-traefikLogsStdout = true
 
 [file]
 filename = "rules.toml"

file.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"github.com/BurntSushi/toml"
+	log "github.com/Sirupsen/logrus"
 	"gopkg.in/fsnotify.v1"
 	"os"
 	"path/filepath"

marathon.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"github.com/BurntSushi/toml"
 	"github.com/BurntSushi/ty/fun"
+	log "github.com/Sirupsen/logrus"
 	"github.com/gambol99/go-marathon"
 	"strconv"
 	"strings"
@@ -62,14 +63,14 @@ func (provider *MarathonProvider) Provide(configurationChan chan<- *Configuratio
 	config.URL = provider.Endpoint
 	config.EventsInterface = provider.NetworkInterface
 	if client, err := marathon.NewClient(config); err != nil {
-		log.Error("Failed to create a client for marathon, error: %s", err)
+		log.Errorf("Failed to create a client for marathon, error: %s", err)
 		return
 	} else {
 		provider.marathonClient = client
 		update := make(marathon.EventsChannel, 5)
 		if provider.Watch {
 			if err := client.AddEventsListener(update, marathon.EVENTS_APPLICATIONS); err != nil {
-				log.Error("Failed to register for subscriptions, %s", err)
+				log.Errorf("Failed to register for subscriptions, %s", err)
 			} else {
 				go func() {
 					for {
@@ -94,13 +95,13 @@ func (provider *MarathonProvider) loadMarathonConfig() *Configuration {
 
 	applications, err := provider.marathonClient.Applications(nil)
 	if err != nil {
-		log.Error("Failed to create a client for marathon, error: %s", err)
+		log.Errorf("Failed to create a client for marathon, error: %s", err)
 		return nil
 	}
 
 	tasks, err := provider.marathonClient.AllTasks()
 	if err != nil {
-		log.Error("Failed to create a client for marathon, error: %s", err)
+		log.Errorf("Failed to create a client for marathon, error: %s", err)
 		return nil
 	}
 

middlewares/cbreaker.go

@@ -2,9 +2,10 @@
 Copyright
 */
 package middlewares
+
 import (
-	"net/http"
 	"github.com/mailgun/oxy/cbreaker"
+	"net/http"
 )
 
 type CircuitBreaker struct {

traefik.go

@@ -2,33 +2,33 @@ package main
 
 import (
 	"github.com/BurntSushi/toml"
+	log "github.com/Sirupsen/logrus"
 	"github.com/codegangsta/negroni"
 	"github.com/emilevauge/traefik/middlewares"
 	"github.com/gorilla/mux"
+	"github.com/mailgun/oxy/cbreaker"
 	"github.com/mailgun/oxy/forward"
 	"github.com/mailgun/oxy/roundrobin"
-	"github.com/op/go-logging"
 	"github.com/thoas/stats"
 	"github.com/tylerb/graceful"
 	"github.com/unrolled/render"
 	"gopkg.in/alecthomas/kingpin.v2"
+	fmtlog "log"
+	"net"
 	"net/http"
 	"net/url"
 	"os"
 	"os/signal"
 	"reflect"
+	"strings"
 	"syscall"
 	"time"
-	fmtlog "log"
-	"github.com/mailgun/oxy/cbreaker"
-	"net"
 )
 
 var (
 	globalConfigFile     = kingpin.Arg("conf", "Main configration file.").Default("traefik.toml").String()
 	currentConfiguration = new(Configuration)
 	metrics              = stats.New()
-	log                  = logging.MustGetLogger("traefik")
 	oxyLogger            = &OxyLogger{}
 	templatesRenderer    = render.New(render.Options{
 		Directory:  "templates",
@@ -45,7 +45,6 @@ func main() {
 	var configurationChan = make(chan *Configuration, 10)
 	defer close(configurationChan)
 	var providers = []Provider{}
-	var format = logging.MustStringFormatter("%{color}%{time:15:04:05.000} %{shortfile:20.20s} %{level:8.8s} %{id:03x} ▶%{color:reset} %{message}")
 	var sigs = make(chan os.Signal, 1)
 	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
 
@@ -56,11 +55,11 @@ func main() {
 	defer loggerMiddleware.Close()
 
 	// logging
-	backends := []logging.Backend{}
-	level, err := logging.LogLevel(gloablConfiguration.LogLevel)
+	level, err := log.ParseLevel(strings.ToLower(gloablConfiguration.LogLevel))
 	if err != nil {
 		log.Fatal("Error getting level", err)
 	}
+	log.SetLevel(level)
 
 	if len(gloablConfiguration.TraefikLogsFile) > 0 {
 		fi, err := os.OpenFile(gloablConfiguration.TraefikLogsFile, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
@@ -68,18 +67,12 @@ func main() {
 		if err != nil {
 			log.Fatal("Error opening file", err)
 		} else {
-			logBackend := logging.NewLogBackend(fi, "", 0)
-			logBackendFormatter := logging.NewBackendFormatter(logBackend, logging.GlogFormatter)
-			backends = append(backends, logBackendFormatter)
+			log.SetOutput(fi)
+			log.SetFormatter(&log.TextFormatter{DisableColors: true, FullTimestamp: true, DisableSorting: true})
 		}
+	} else {
+		log.SetFormatter(&log.TextFormatter{FullTimestamp: true, DisableSorting: true})
 	}
-	if gloablConfiguration.TraefikLogsStdout {
-		logBackend := logging.NewLogBackend(os.Stdout, "", 0)
-		logBackendFormatter := logging.NewBackendFormatter(logBackend, format)
-		backends = append(backends, logBackendFormatter)
-	}
-	logging.SetBackend(backends...)
-	logging.SetLevel(level, "traefik")
 
 	configurationRouter = LoadDefaultConfig(gloablConfiguration)
 
@@ -87,19 +80,19 @@ func main() {
 	go func() {
 		for {
 			configuration := <-configurationChan
-			log.Info("Configuration receveived %+v", configuration)
+			log.Infof("Configuration receveived %+v", configuration)
 			if configuration == nil {
 				log.Info("Skipping empty configuration")
 			} else if reflect.DeepEqual(currentConfiguration, configuration) {
 				log.Info("Skipping same configuration")
 			} else {
 				newConfigurationRouter, err := LoadConfig(configuration, gloablConfiguration)
-				if (err == nil ){
+				if err == nil {
 					currentConfiguration = configuration
 					configurationRouter = newConfigurationRouter
 					srv.Stop(time.Duration(gloablConfiguration.GraceTimeOut) * time.Second)
 					time.Sleep(3 * time.Second)
-				}else{
+				} else {
 					log.Error("Error loading new configuration, aborted ", err)
 				}
 			}
@@ -129,7 +122,7 @@ func main() {
 
 	// start providers
 	for _, provider := range providers {
-		log.Notice("Starting provider %v %+v", reflect.TypeOf(provider), provider)
+		log.Infof("Starting provider %v %+v", reflect.TypeOf(provider), provider)
 		currentProvider := provider
 		go func() {
 			currentProvider.Provide(configurationChan)
@@ -139,7 +132,7 @@ func main() {
 	goAway := false
 	go func() {
 		sig := <-sigs
-		log.Notice("I have to go... %+v", sig)
+		log.Infof("I have to go... %+v", sig)
 		goAway = true
 		srv.Stop(time.Duration(gloablConfiguration.GraceTimeOut) * time.Second)
 	}()
@@ -170,7 +163,7 @@ func main() {
 		go func() {
 			if len(gloablConfiguration.CertFile) > 0 && len(gloablConfiguration.KeyFile) > 0 {
 				err := srv.ListenAndServeTLS(gloablConfiguration.CertFile, gloablConfiguration.KeyFile)
-				if (err!= nil ){
+				if err != nil {
 					netOpError, ok := err.(*net.OpError)
 					if ok && netOpError.Err.Error() != "use of closed network connection" {
 						log.Fatal("Error creating server: ", err)
@@ -178,7 +171,7 @@ func main() {
 				}
 			} else {
 				err := srv.ListenAndServe()
-				if (err!= nil ){
+				if err != nil {
 					netOpError, ok := err.(*net.OpError)
 					if ok && netOpError.Err.Error() != "use of closed network connection" {
 						log.Fatal("Error creating server: ", err)
@@ -186,9 +179,9 @@ func main() {
 				}
 			}
 		}()
-		log.Notice("Started")
+		log.Info("Started")
 		<-srv.StopChan()
-		log.Notice("Stopped")
+		log.Info("Stopped")
 	}
 }
 
@@ -197,31 +190,31 @@ func LoadConfig(configuration *Configuration, gloablConfiguration *GlobalConfigu
 	router.NotFoundHandler = http.HandlerFunc(notFoundHandler)
 	backends := map[string]http.Handler{}
 	for frontendName, frontend := range configuration.Frontends {
-		log.Debug("Creating frontend %s", frontendName)
+		log.Debugf("Creating frontend %s", frontendName)
 		fwd, _ := forward.New(forward.Logger(oxyLogger))
 		newRoute := router.NewRoute().Name(frontendName)
 		for routeName, route := range frontend.Routes {
-			log.Debug("Creating route %s %s:%s", routeName, route.Rule, route.Value)
+			log.Debugf("Creating route %s %s:%s", routeName, route.Rule, route.Value)
 			newRouteReflect := Invoke(newRoute, route.Rule, route.Value)
 			newRoute = newRouteReflect[0].Interface().(*mux.Route)
 		}
 		if backends[frontend.Backend] == nil {
-			log.Debug("Creating backend %s", frontend.Backend)
+			log.Debugf("Creating backend %s", frontend.Backend)
 			lb, _ := roundrobin.New(fwd)
 			rb, _ := roundrobin.NewRebalancer(lb, roundrobin.RebalancerLogger(oxyLogger))
 			for serverName, server := range configuration.Backends[frontend.Backend].Servers {
-				if url, err := url.Parse(server.Url); err != nil{
+				if url, err := url.Parse(server.Url); err != nil {
 					return nil, err
-				}else{
-					log.Debug("Creating server %s %s", serverName, url.String())
+				} else {
+					log.Debugf("Creating server %s %s", serverName, url.String())
 					rb.UpsertServer(url, roundrobin.Weight(server.Weight))
 				}
 			}
 			backends[frontend.Backend] = rb
 		} else {
-			log.Debug("Reusing backend %s", frontend.Backend)
+			log.Debugf("Reusing backend %s", frontend.Backend)
 		}
-//		stream.New(backends[frontend.Backend], stream.Retry("IsNetworkError() && Attempts() <= " + strconv.Itoa(gloablConfiguration.Replay)), stream.Logger(oxyLogger))
+		//		stream.New(backends[frontend.Backend], stream.Retry("IsNetworkError() && Attempts() <= " + strconv.Itoa(gloablConfiguration.Replay)), stream.Logger(oxyLogger))
 		var negroni = negroni.New()
 		negroni.Use(middlewares.NewCircuitBreaker(backends[frontend.Backend], cbreaker.Logger(oxyLogger)))
 		newRoute.Handler(negroni)
@@ -246,6 +239,6 @@ func LoadFileConfig(file string) *GlobalConfiguration {
 	if _, err := toml.DecodeFile(file, configuration); err != nil {
 		log.Fatal("Error reading file ", err)
 	}
-	log.Debug("Global configuration loaded %+v", configuration)
+	log.Debugf("Global configuration loaded %+v", configuration)
 	return configuration
 }

traefik.sample.toml

@@ -18,18 +18,12 @@
 # graceTimeOut = 10
 
 # Traefik logs file
+# If not defined, logs to stdout
 #
 # Optional
 #
 # traefikLogsFile = "log/traefik.log"
 
-# Traefik log to standard output
-#
-# Optional
-# Default: true
-#
-# traefikLogsStdout = true
-
 # Access logs file
 #
 # Optional

web.go

@@ -3,6 +3,7 @@ package main
 import (
 	"encoding/json"
 	"fmt"
+	log "github.com/Sirupsen/logrus"
 	"github.com/elazarl/go-bindata-assetfs"
 	"github.com/gorilla/mux"
 	"io/ioutil"
@@ -32,7 +33,7 @@ func (provider *WebProvider) Provide(configurationChan chan<- *Configuration) {
 				configurationChan <- configuration
 				GetConfigHandler(rw, r)
 			} else {
-				log.Error("Error parsing configuration %+v\n", err)
+				log.Errorf("Error parsing configuration %+v", err)
 				http.Error(rw, fmt.Sprintf("%+v", err), http.StatusBadRequest)
 			}
 		}))
@@ -46,13 +47,13 @@ func (provider *WebProvider) Provide(configurationChan chan<- *Configuration) {
 
 	go func() {
 		if len(provider.CertFile) > 0 && len(provider.KeyFile) > 0 {
-			err := http.ListenAndServeTLS(provider.Address,provider.CertFile, provider.KeyFile, systemRouter)
-			if (err!= nil ){
+			err := http.ListenAndServeTLS(provider.Address, provider.CertFile, provider.KeyFile, systemRouter)
+			if err != nil {
 				log.Fatal("Error creating server: ", err)
 			}
 		} else {
 			err := http.ListenAndServe(provider.Address, systemRouter)
-			if (err!= nil ){
+			if err != nil {
 				log.Fatal("Error creating server: ", err)
 			}
 		}
@@ -80,7 +81,7 @@ func GetBackendHandler(rw http.ResponseWriter, r *http.Request) {
 	id := vars["backend"]
 	if backend, ok := currentConfiguration.Backends[id]; ok {
 		templatesRenderer.JSON(rw, http.StatusOK, backend)
-	}else{
+	} else {
 		http.NotFound(rw, r)
 	}
 }
@@ -94,7 +95,7 @@ func GetFrontendHandler(rw http.ResponseWriter, r *http.Request) {
 	id := vars["frontend"]
 	if frontend, ok := currentConfiguration.Frontends[id]; ok {
 		templatesRenderer.JSON(rw, http.StatusOK, frontend)
-	}else{
+	} else {
 		http.NotFound(rw, r)
 	}
 }
@@ -104,7 +105,7 @@ func GetServersHandler(rw http.ResponseWriter, r *http.Request) {
 	backend := vars["backend"]
 	if backend, ok := currentConfiguration.Backends[backend]; ok {
 		templatesRenderer.JSON(rw, http.StatusOK, backend.Servers)
-	}else{
+	} else {
 		http.NotFound(rw, r)
 	}
 }
@@ -116,10 +117,10 @@ func GetServerHandler(rw http.ResponseWriter, r *http.Request) {
 	if backend, ok := currentConfiguration.Backends[backend]; ok {
 		if server, ok := backend.Servers[server]; ok {
 			templatesRenderer.JSON(rw, http.StatusOK, server)
-		}else{
+		} else {
 			http.NotFound(rw, r)
 		}
-	}else{
+	} else {
 		http.NotFound(rw, r)
 	}
 }