Add user agent for ACME

Gopkg.lock

@@ -1243,6 +1243,7 @@
   revision = "0c8571ac0ce161a5feb57375a9cdf148c98c0f70"
 
 [[projects]]
+  branch = "master"
   name = "github.com/xenolf/lego"
   packages = [
     "acme",
@@ -1280,8 +1281,7 @@
     "providers/dns/route53",
     "providers/dns/vultr"
   ]
-  revision = "fefeb24353e513a985358d4a7746b2467ac05e31"
-  version = "v1.0.0"
+  revision = "7fedfd1388f016c7ca7ed92a7f2024d06a7e20d8"
 
 [[projects]]
   branch = "master"
@@ -1679,6 +1679,6 @@
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "a6acf97e7459604ff987fa8af4520a1660ad8871df0db131ae3e9442574460b0"
+  inputs-digest = "ac06fad81167510635546d4e5500b938d61f2eb999bf04d5520d7967b9621f0d"
   solver-name = "gps-cdcl"
   solver-version = 1

Gopkg.toml

@@ -181,8 +181,9 @@
   name = "github.com/vulcand/oxy"
 
 [[constraint]]
+  branch = "master"
   name = "github.com/xenolf/lego"
-  version = "1.0.0"
+#  version = "1.0.0"
 
 [[constraint]]
   name = "google.golang.org/grpc"

acme/acme.go

@@ -25,6 +25,7 @@ import (
 	"github.com/containous/traefik/safe"
 	"github.com/containous/traefik/tls/generate"
 	"github.com/containous/traefik/types"
+	"github.com/containous/traefik/version"
 	"github.com/eapache/channels"
 	"github.com/xenolf/lego/acme"
 	legolog "github.com/xenolf/lego/log"
@@ -63,6 +64,7 @@ type ACME struct {
 }
 
 func (a *ACME) init() error {
+	acme.UserAgent = fmt.Sprintf("containous-traefik/%s", version.Version)
 	if a.ACMELogging {
 		legolog.Logger = fmtlog.New(os.Stderr, "legolog: ", fmtlog.LstdFlags)
 	} else {

provider/acme/provider.go

@@ -22,6 +22,7 @@ import (
 	"github.com/containous/traefik/safe"
 	traefikTLS "github.com/containous/traefik/tls"
 	"github.com/containous/traefik/types"
+	"github.com/containous/traefik/version"
 	"github.com/pkg/errors"
 	"github.com/xenolf/lego/acme"
 	legolog "github.com/xenolf/lego/log"
@@ -98,6 +99,7 @@ func (p *Provider) SetConfigListenerChan(configFromListenerChan chan types.Confi
 }
 
 func (p *Provider) init() error {
+	acme.UserAgent = fmt.Sprintf("containous-traefik/%s", version.Version)
 	if p.ACMELogging {
 		legolog.Logger = fmtlog.New(os.Stderr, "legolog: ", fmtlog.LstdFlags)
 	} else {

vendor/github.com/xenolf/lego/acme/client.go

@@ -822,6 +822,7 @@ func validate(j *jws, domain, uri string, c challenge) error {
 			log.Printf("[INFO][%s] The server validated our request", domain)
 			return nil
 		case "pending":
+		case "processing":
 		case "invalid":
 			return handleChallengeError(chlng)
 		default:

vendor/github.com/xenolf/lego/acme/http.go

@@ -155,6 +155,6 @@ func postJSON(j *jws, uri string, reqBody, respBody interface{}) (http.Header, e
 
 // userAgent builds and returns the User-Agent string to use in requests.
 func userAgent() string {
-	ua := fmt.Sprintf("%s (%s; %s) %s %s", defaultGoUserAgent, runtime.GOOS, runtime.GOARCH, ourUserAgent, UserAgent)
+	ua := fmt.Sprintf("%s %s (%s; %s) %s", UserAgent, ourUserAgent, runtime.GOOS, runtime.GOARCH, defaultGoUserAgent)
 	return strings.TrimSpace(ua)
 }