[logdog] Replace Tumble with push queues.

logdog/appengine/cmd/coordinator/backend/main.go

 // Copyright 2015 The LUCI Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //      http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
 package module
 
 import (
         "net/http"
 
         // Importing pprof implicitly installs "/debug/*" profiling handlers.
         _ "net/http/pprof"
 
         "github.com/luci/luci-go/appengine/gaemiddleware"
         "github.com/luci/luci-go/logdog/appengine/coordinator"
+        "github.com/luci/luci-go/logdog/appengine/coordinator/tasks"
         "github.com/luci/luci-go/server/router"
         "github.com/luci/luci-go/tumble"
 
         // Include mutations package so its Mutations will register with tumble via
         // init().
         _ "github.com/luci/luci-go/logdog/appengine/coordinator/mutations"
 )
 
 func init() {
         tmb := tumble.Service{}
 
         r := router.New()
         base := gaemiddleware.BaseProd().Extend(coordinator.ProdCoordinatorService)
         tmb.InstallHandlers(r, base)
         gaemiddleware.InstallHandlersWithMiddleware(r, base)
+        tasks.InstallHandlers(r, base)
 
         http.Handle("/", r)
 }