Add a "ClusterDatabase" Almanac service type

Summary: Ref T5833. This doesn't do anything yet, but will allow new instances to automaticaly bind to an open database without anything too hacky.

Test Plan:
Created a service of this type.

{F267059}

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T5833

Differential Revision: https://secure.phabricator.com/D11372

src/__phutil_library_map__.php

@@ -19,6 +19,7 @@ phutil_register_library_map(array(
     'AlmanacBindingTransaction' => 'applications/almanac/storage/AlmanacBindingTransaction.php',
     'AlmanacBindingTransactionQuery' => 'applications/almanac/query/AlmanacBindingTransactionQuery.php',
     'AlmanacBindingViewController' => 'applications/almanac/controller/AlmanacBindingViewController.php',
+    'AlmanacClusterDatabaseServiceType' => 'applications/almanac/servicetype/AlmanacClusterDatabaseServiceType.php',
     'AlmanacClusterRepositoryServiceType' => 'applications/almanac/servicetype/AlmanacClusterRepositoryServiceType.php',
     'AlmanacClusterServiceType' => 'applications/almanac/servicetype/AlmanacClusterServiceType.php',
     'AlmanacConduitAPIMethod' => 'applications/almanac/conduit/AlmanacConduitAPIMethod.php',
@@ -3070,6 +3071,7 @@ phutil_register_library_map(array(
     'AlmanacBindingTransaction' => 'PhabricatorApplicationTransaction',
     'AlmanacBindingTransactionQuery' => 'PhabricatorApplicationTransactionQuery',
     'AlmanacBindingViewController' => 'AlmanacServiceController',
+    'AlmanacClusterDatabaseServiceType' => 'AlmanacClusterServiceType',
     'AlmanacClusterRepositoryServiceType' => 'AlmanacClusterServiceType',
     'AlmanacClusterServiceType' => 'AlmanacServiceType',
     'AlmanacConduitAPIMethod' => 'ConduitAPIMethod',

src/applications/almanac/servicetype/AlmanacClusterDatabaseServiceType.php

@@ -0,0 +1,23 @@
+<?php
+
+final class AlmanacClusterDatabaseServiceType
+  extends AlmanacClusterServiceType {
+
+  public function getServiceTypeShortName() {
+    return pht('Cluster Database');
+  }
+
+  public function getServiceTypeName() {
+    return pht('Phabricator Cluster: Database');
+  }
+
+  public function getServiceTypeDescription() {
+    return pht(
+      'Defines a database service for use in a Phabricator cluster.');
+  }
+
+  public function getFieldSpecifications() {
+    return array();
+  }
+
+}