[som] fix ts_mon housekeeping/routing

go/src/infra/appengine/sheriff-o-matic/main.go

 // Copyright 2016 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 som implements HTTP server that handles requests to default module.
 package som
 
 import (
         "crypto/sha1"
         "encoding/json"
@@ skipping 556 matching lines @@
                 server.CookieAuth,
                 &server.InboundAppIDAuthMethod{},
         }
         return gaemiddleware.BaseProd().Extend(
                 auth.Use(methods),
         )
 }
 
 //// Routes.
 func init() {
+
         settings.RegisterUIPage(settingsKey, settingsUIPage{})
 
         r := router.New()
         basemw := base()
         authmw := basemw.Extend(auth.Authenticate)
 
         gaemiddleware.InstallHandlers(r, basemw)
         r.GET("/api/v1/trees/", authmw, getTreesHandler)
         r.GET("/api/v1/alerts/:tree", authmw, getAlertsHandler)
         r.POST("/api/v1/alerts/:tree", authmw, postAlertsHandler)
         r.GET("/api/v1/annotations/", authmw, getAnnotationsHandler)
         r.POST("/api/v1/annotations/:annKey/:action", authmw, postAnnotationsHandler)
         r.GET("/api/v1/bugqueue/:tree", authmw, getBugQueueHandler)
         r.GET("/api/v1/revrange/:start/:end", basemw, getRevRangeHandler)
 
         rootRouter := router.New()
         rootRouter.GET("/*path", authmw, indexPage)
 
         http.DefaultServeMux.Handle("/api/", r)
         http.DefaultServeMux.Handle("/admin/", r)
         http.DefaultServeMux.Handle("/auth/", r)
         http.DefaultServeMux.Handle("/_ah/", r)
+        http.DefaultServeMux.Handle("/internal/", r)
+
         http.DefaultServeMux.Handle("/", rootRouter)
 }