[milo] common/config -> api/config

milo/common/config/settings.proto

-// Copyright (c) 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.
-
-syntax = "proto3";
-
-package config;
-
-// Settings represents the format for the global (service) config for Milo.
-message Settings {
-  message Buildbot {
-    // internal_reader is the infra-auth group that is allowed to read internal
-    // buildbot data.
-    string internal_reader = 1;
-
-    // public_subscription is the name of the pubsub topic where public builds come in
-    // from
-    string public_subscription = 2;
-
-    // internal_subscription is the name of the pubsub topic where internal builds
-    // come in from
-    string internal_subscription = 3;
-  }
-  Buildbot buildbot = 1;
-
-  message Buildbucket {
-    // name is the user friendly name of the Buildbucket instance we're pointing to.
-    string name = 1;
-
-    // host is the hostname of the buildbucket instance we're pointing to (sans schema).
-    string host = 2;
-  }
-  Buildbucket buildbucket = 2;
-
-  message Swarming {
-    // default_host is the hostname of the swarming host Milo defaults to, if
-    // none is specified.  Default host is implicitly an allowed host.
-    string default_host = 1;
-
-    // allowed_hosts is a whitelist of hostnames of swarming instances
-    // that Milo is allowed to talk to.  This is specified here for security
-    // reasons, because Milo will hand out its oauth2 token to a swarming host.
-    repeated string allowed_hosts = 2;
-  }
-  Swarming swarming = 3;
-}