1 files changed, 23 insertions, 0 deletions
diff --git a/troveclient/osc/v1/database_instances.py b/troveclient/osc/v1/database_instances.py
index 96ec7c7..3bb6a74 100644
--- a/troveclient/osc/v1/database_instances.py
+++ b/troveclient/osc/v1/database_instances.py
@@ -533,6 +533,29 @@ class ForceDeleteDatabaseInstance(command.Command):
             raise exceptions.CommandError(msg)
 
 
+class PromoteDatabaseInstanceToReplicaSource(command.Command):
+
+    _description = _(
+        "Promotes a replica to be the new replica source of its set.")
+
+    def get_parser(self, prog_name):
+        parser = super(PromoteDatabaseInstanceToReplicaSource,
+                       self).get_parser(prog_name)
+        parser.add_argument(
+            'instance',
+            metavar='<instance>',
+            type=str,
+            help=_('ID or name of the instance.'),
+        )
+        return parser
+
+    def take_action(self, parsed_args):
+        db_instances = self.app.client_manager.database.instances
+        instance = osc_utils.find_resource(db_instances,
+                                           parsed_args.instance)
+        db_instances.promote_to_replica_source(instance)
+
+
 class RestartDatabaseInstance(command.Command):
 
     _description = _("Restarts an instance.")