Move version.go in its own package…

… making it possible to use in other packages ; and thus in the
User-Agent header for the docker client.

Also removing the dockerverion hack as it's not required anymore.

Signed-off-by: Vincent Demeester <vincent@sbr.pm>

generate.go

@@ -6,7 +6,4 @@ Copyright
 //go:generate mkdir -p static
 //go:generate go-bindata -pkg autogen -o autogen/gen.go ./static/... ./templates/...
 
-//go:generate mkdir -p vendor/github.com/docker/docker/autogen/dockerversion
-//go:generate cp script/dockerversion vendor/github.com/docker/docker/autogen/dockerversion/dockerversion.go
-
 package main

provider/docker.go

@@ -15,6 +15,7 @@ import (
 	"github.com/cenkalti/backoff"
 	"github.com/containous/traefik/safe"
 	"github.com/containous/traefik/types"
+	"github.com/containous/traefik/version"
 	"github.com/docker/engine-api/client"
 	dockertypes "github.com/docker/engine-api/types"
 	eventtypes "github.com/docker/engine-api/types/events"
@@ -38,8 +39,7 @@ type Docker struct {
 func (provider *Docker) createClient() (client.APIClient, error) {
 	var httpClient *http.Client
 	httpHeaders := map[string]string{
-		// FIXME(vdemeester) use version here O:)
-		"User-Agent": "Traefik",
+		"User-Agent": "Traefik " + version.Version,
 	}
 	if provider.TLS != nil {
 		config, err := provider.TLS.CreateTLSConfig()

script/binary

@@ -26,4 +26,4 @@ if [ -z "$DATE" ]; then
 fi
 
 # Build binaries
-CGO_ENABLED=0 GOGC=off go build $FLAGS -ldflags "-s -w -X main.Version=$VERSION -X main.Codename=$CODENAME -X main.BuildDate=$DATE" -a -installsuffix nocgo -o dist/traefik .
+CGO_ENABLED=0 GOGC=off go build $FLAGS -ldflags "-s -w -X version.Version=$VERSION -X version.Codename=$CODENAME -X version.BuildDate=$DATE" -a -installsuffix nocgo -o dist/traefik .

script/dockerversion

@@ -1,12 +0,0 @@
-// AUTOGENERATED FILE; see /go/src/github.com/docker/docker/hack/make/.go-autogen
-package dockerversion
-
-var (
-	GITCOMMIT string = "traefik-import"
-	VERSION   string = "traefik-import"
-	BUILDTIME string = "traefik-import"
-
-	IAMSTATIC string = "traefik-import"
-	INITSHA1  string = "traefik-import"
-	INITPATH  string = "traefik-import"
-)

traefik.go

@@ -3,14 +3,6 @@ package main
 import (
 	"encoding/json"
 	"fmt"
-	log "github.com/Sirupsen/logrus"
-	"github.com/containous/flaeg"
-	"github.com/containous/staert"
-	"github.com/containous/traefik/acme"
-	"github.com/containous/traefik/middlewares"
-	"github.com/containous/traefik/provider"
-	"github.com/containous/traefik/types"
-	"github.com/docker/libkv/store"
 	fmtlog "log"
 	"net/http"
 	"os"
@@ -18,6 +10,16 @@ import (
 	"runtime"
 	"strings"
 	"text/template"
+
+	log "github.com/Sirupsen/logrus"
+	"github.com/containous/flaeg"
+	"github.com/containous/staert"
+	"github.com/containous/traefik/acme"
+	"github.com/containous/traefik/middlewares"
+	"github.com/containous/traefik/provider"
+	"github.com/containous/traefik/types"
+	"github.com/containous/traefik/version"
+	"github.com/docker/libkv/store"
 )
 
 var versionTemplate = `Version:      {{.Version}}
@@ -65,10 +67,10 @@ Complete documentation is available at https://traefik.io`,
 				Os        string
 				Arch      string
 			}{
-				Version:   Version,
-				Codename:  Codename,
+				Version:   version.Version,
+				Codename:  version.Codename,
 				GoVersion: runtime.Version(),
-				BuildTime: BuildDate,
+				BuildTime: version.BuildDate,
 				Os:        runtime.GOOS,
 				Arch:      runtime.GOARCH,
 			}
@@ -184,7 +186,7 @@ func run(traefikConfiguration *TraefikConfiguration) {
 		log.SetFormatter(&log.TextFormatter{FullTimestamp: true, DisableSorting: true})
 	}
 	jsonConf, _ := json.Marshal(globalConfiguration)
-	log.Infof("Traefik version %s built on %s", Version, BuildDate)
+	log.Infof("Traefik version %s built on %s", version.Version, version.BuildDate)
 	if len(traefikConfiguration.ConfigFile) != 0 {
 		log.Infof("Using TOML configuration file %s", traefikConfiguration.ConfigFile)
 	}

version/version.go

@@ -1,4 +1,4 @@
-package main
+package version
 
 var (
 	// Version holds the current version of traefik.