LogDog: Update to archival V2.

appengine/logdog/coordinator/endpoints/services/service.go

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package services
 
 import (
-        "github.com/luci/luci-go/appengine/logdog/coordinator/config"
+        "github.com/luci/luci-go/appengine/logdog/coordinator"
         "github.com/luci/luci-go/common/api/logdog_coordinator/services/v1"
         "github.com/luci/luci-go/common/grpcutil"
         log "github.com/luci/luci-go/common/logging"
         "golang.org/x/net/context"
 )
 
+// Server is a Cloud Endpoint service supporting privileged support services.
+//
+// This endpoint is restricted to LogDog support service accounts.
+type Server struct {
+        coordinator.ServiceBase
+}
+
+var _ logdog.ServicesServer = (*Server)(nil)
+
 // Auth is endpoint middleware that asserts that the current user is a member of
 // the configured group.
-func Auth(c context.Context) error {
-        if err := config.IsServiceUser(c); err != nil {
+func Auth(c context.Context, svc coordinator.Services) error {
+        if err := coordinator.IsServiceUser(c, svc); err != nil {
                 log.Fields{
                         log.ErrorKey: err,
                 }.Errorf(c, "Failed to authenticate user as a service.")
-                if !config.IsMembershipError(err) {
+                if !coordinator.IsMembershipError(err) {
                         // Not a membership error. Something went wrong on the server's end.
                         return grpcutil.Internal
                 }
                 return grpcutil.PermissionDenied
         }
         return nil
 }
-
-// Server is a Cloud Endpoint service supporting privileged support services.
-//
-// This endpoint is restricted to LogDog support service accounts.
-type Server struct{}
-
-var _ logdog.ServicesServer = (*Server)(nil)