Improve service auth log

auth/default.go

@@ -53,6 +53,7 @@ func (n *noop) Generate(id string, opts ...GenerateOption) (*Account, error) {
 		Secret:   options.Secret,
 		Metadata: options.Metadata,
 		Scopes:   options.Scopes,
+		Issuer:   n.Options().Namespace,
 	}, nil
 }
 

util/auth/auth.go

@@ -28,7 +28,7 @@ func Generate(id string, name string, a auth.Auth) error {
 		if err != nil {
 			return err
 		}
-		logger.Infof("Auth [%v] Authenticated as %v in the %v namespace", a, name, a.Options().Namespace)
+		logger.Infof("Auth [%v] Authenticated as %v issued by %v", a, name, acc.Issuer)
 
 		accID = acc.ID
 		accSecret = acc.Secret