LogDog: Use luci_config/server packages for config

logdog/server/cmd/logdog_archivist/main.go

 // Copyright 2016 The LUCI Authors. All rights reserved.
 // Use of this source code is governed under the Apache License, Version 2.0
 // that can be found in the LICENSE file.
 
 package main
 
 import (
         "time"
 
         "github.com/luci/luci-go/common/auth"
@@ skipping 39 matching lines @@
         subscriptionErrorDelay = 10 * time.Second
 )
 
 // application is the Archivist application state.
 type application struct {
         service.Service
 }
 
 // run is the main execution function.
 func (a *application) runArchivist(c context.Context) error {
-        cfg := a.Config()
+        cfg := a.ServiceConfig()
 
         coordCfg, acfg := cfg.GetCoordinator(), cfg.GetArchivist()
         switch {
         case coordCfg == nil:
                 fallthrough
 
         case acfg == nil:
                 return errors.New("missing required config: archivist")
         case acfg.GsStagingBucket == "":
                 return errors.New("missing required config: archivist.gs_staging_bucket")
@@ skipping 197 matching lines @@
 
 // Entry point.
 func main() {
         a := application{
                 Service: service.Service{
                         Name: "archivist",
                 },
         }
         a.Run(context.Background(), a.runArchivist)
 }