Wire up DeleteExpiredDomainsAction so that it can actually be called (#951)

* Wire up DeleteExpiredDomainsAction so that it can actually be called

For now I'm just going to be calling it manually (and on sandbox for starters),
but in a few weeks, if all looks good, I'll add the cron job to regularly call
it in production, and this feature will thus be done.

core/src/main/java/google/registry/env/common/backend/WEB-INF/web.xml

@@ -337,12 +337,18 @@
     <url-pattern>/_dr/task/refreshDnsOnHostRename</url-pattern>
   </servlet-mapping>
 
-  <!--  Mapreduce to expand recurring billing events into OneTimes. -->
+  <!-- Mapreduce to expand recurring billing events into OneTimes. -->
   <servlet-mapping>
     <servlet-name>backend-servlet</servlet-name>
     <url-pattern>/_dr/task/expandRecurringBillingEvents</url-pattern>
   </servlet-mapping>
 
+  <!-- Background action to delete domains past end of autorenewal. -->
+  <servlet-mapping>
+    <servlet-name>backend-servlet</servlet-name>
+    <url-pattern>/_dr/task/deleteExpiredDomains</url-pattern>
+  </servlet-mapping>
+
   <!-- Mapreduce to import contacts from escrow file -->
   <servlet-mapping>
     <servlet-name>backend-servlet</servlet-name>

core/src/main/java/google/registry/module/backend/BackendComponent.java

@@ -24,6 +24,8 @@ import google.registry.dns.writer.VoidDnsWriterModule;
 import google.registry.export.DriveModule;
 import google.registry.export.datastore.DatastoreAdminModule;
 import google.registry.export.sheet.SheetsServiceModule;
+import google.registry.flows.ServerTridProviderModule;
+import google.registry.flows.custom.CustomLogicFactoryModule;
 import google.registry.gcs.GcsServiceModule;
 import google.registry.groups.DirectoryModule;
 import google.registry.groups.GroupsModule;
@@ -54,6 +56,7 @@ import javax.inject.Singleton;
       BigqueryModule.class,
       ConfigModule.class,
       CredentialModule.class,
+      CustomLogicFactoryModule.class,
       DatastoreAdminModule.class,
       DatastoreServiceModule.class,
       DirectoryModule.class,
@@ -68,6 +71,7 @@ import javax.inject.Singleton;
       KeyringModule.class,
       KmsModule.class,
       NetHttpTransportModule.class,
+      ServerTridProviderModule.class,
       SheetsServiceModule.class,
       StackdriverModule.class,
       URLFetchServiceModule.class,

core/src/main/java/google/registry/module/backend/BackendRequestComponent.java

@@ -22,6 +22,7 @@ import google.registry.backup.DeleteOldCommitLogsAction;
 import google.registry.backup.ExportCommitLogDiffAction;
 import google.registry.batch.BatchModule;
 import google.registry.batch.DeleteContactsAndHostsAction;
+import google.registry.batch.DeleteExpiredDomainsAction;
 import google.registry.batch.DeleteLoadTestDataAction;
 import google.registry.batch.DeleteProberDataAction;
 import google.registry.batch.ExpandRecurringBillingEventsAction;
@@ -52,6 +53,7 @@ import google.registry.export.UpdateSnapshotViewAction;
 import google.registry.export.UploadDatastoreBackupAction;
 import google.registry.export.sheet.SheetModule;
 import google.registry.export.sheet.SyncRegistrarsSheetAction;
+import google.registry.flows.FlowComponent;
 import google.registry.mapreduce.MapreduceModule;
 import google.registry.monitoring.whitebox.WhiteboxModule;
 import google.registry.rdap.UpdateRegistrarRdapBaseUrlsAction;
@@ -127,6 +129,8 @@ interface BackendRequestComponent {
 
   DeleteContactsAndHostsAction deleteContactsAndHostsAction();
 
+  DeleteExpiredDomainsAction deleteExpiredDomainsAction();
+
   DeleteLoadTestDataAction deleteLoadTestDataAction();
 
   DeleteOldCommitLogsAction deleteOldCommitLogsAction();
@@ -143,6 +147,8 @@ interface BackendRequestComponent {
 
   ExportReservedTermsAction exportReservedTermsAction();
 
+  FlowComponent.Builder flowComponentBuilder();
+
   GenerateInvoicesAction generateInvoicesAction();
 
   GenerateSpec11ReportAction generateSpec11ReportAction();

core/src/test/resources/google/registry/module/backend/backend_routing.txt

@@ -9,6 +9,7 @@ PATH                                   CLASS                              METHOD
 /_dr/task/checkDatastoreBackup         CheckBackupAction                  POST,GET y  INTERNAL,API APP ADMIN
 /_dr/task/copyDetailReports            CopyDetailReportsAction            POST     n  INTERNAL,API APP ADMIN
 /_dr/task/deleteContactsAndHosts       DeleteContactsAndHostsAction       GET      n  INTERNAL,API APP ADMIN
+/_dr/task/deleteExpiredDomains         DeleteExpiredDomainsAction         POST     n  INTERNAL,API APP ADMIN
 /_dr/task/deleteLoadTestData           DeleteLoadTestDataAction           POST     n  INTERNAL,API APP ADMIN
 /_dr/task/deleteOldCommitLogs          DeleteOldCommitLogsAction          GET      n  INTERNAL,API APP ADMIN
 /_dr/task/deleteProberData             DeleteProberDataAction             POST     n  INTERNAL,API APP ADMIN