diff --git a/nova/db/api.py b/nova/db/api.py
index 7f97bd75c..f9134075d 100644
--- a/nova/db/api.py
+++ b/nova/db/api.py
@@ -769,6 +769,11 @@ def instance_get_all(context, columns_to_join=None):
     return IMPL.instance_get_all(context, columns_to_join=columns_to_join)
 
 
+def instance_get_all_uuids_by_host(context, host):
+    """Get a list of instance uuids on host."""
+    return IMPL.instance_get_all_uuids_by_host(context, host)
+
+
 def instance_get_all_by_filters(context, filters, sort_key='created_at',
                                 sort_dir='desc', limit=None, marker=None,
                                 columns_to_join=None):
diff --git a/nova/db/sqlalchemy/api.py b/nova/db/sqlalchemy/api.py
index 054c299c2..2a4ae0116 100644
--- a/nova/db/sqlalchemy/api.py
+++ b/nova/db/sqlalchemy/api.py
@@ -2607,6 +2607,11 @@ def _instance_get_all_uuids_by_host(context, host):
     return uuids
 
 
+@pick_context_manager_reader
+def instance_get_all_uuids_by_host(context, host):
+    return _instance_get_all_uuids_by_host(context, host)
+
+
 @pick_context_manager_reader
 def instance_get_all_by_host_and_node(context, host, node,
                                       columns_to_join=None):