How to generate a local image from openstack

[root@cts-orchxmlread]# glance image-list
+--------------------------------------+--------------------------------------------------------------------+-------------+------------------+------------+--------+
| ID | Name | Disk Format | Container Format | Size | Status |
+--------------------------------------+--------------------------------------------------------------------+-------------+------------------+------------+--------+
|77c15ea7-c1c8-4107-9c44-4067c41644e2 | CTS_Orch_snapshot | qcow2 | bare | 9303228416 | active |
|bea3d45e-e481-4c97-a30d-b9c5fba59a65 | CTS_Orch_with_xml2cfg |qcow2 | bare | 1764032512 | active |
|6b5f6d99-eab6-4551-846c-740f516e9e14 | JunoOpenstackClient_CentOS7 |qcow2 | bare | 713625088 | active |
|656ca40d-752a-41e3-8f75-c4a92a25c177 | redhat6-5-v20 | qcow2 | bare | 1155334144 | active |
|d7221dc5-f5d7-4259-957d-a5d9aa78bf2a | redhat7-v2 | qcow2 | bare | 499908608 | active |
|9ba0842b-24cf-4408-b549-57eb903e9288 | ubuntu-14.04.1 | qcow2 | bare | 956432384 | active |
+--------------------------------------+--------------------------------------------------------------------+-------------+------------------+------------+--------+

[root@cts-orchxmlread]# #glance image-download --file aa.qcow277c15ea7-c1c8-4107-9c44-4067c41644e2