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OpenStack Rocky : How to use Barbican
2018/09/04
 
How to use the OpenStack Key Manager Service (Barbican).
This example is based on the emvironment like follows.
------------+---------------------------+---------------------------+------------
            |                           |                           |
        eth0|10.0.0.30              eth0|10.0.0.50              eth0|10.0.0.51
+-----------+-----------+   +-----------+-----------+   +-----------+-----------+
|    [ Control Node ]   |   |    [ Network Node ]   |   |    [ Compute Node ]   |
|                       |   |                       |   |                       |
|  MariaDB    RabbitMQ  |   |      Open vSwitch     |   |        Libvirt        |
|  Memcached  httpd     |   |        L2 Agent       |   |     Nova Compute      |
|  Keystone   Glance    |   |        L3 Agent       |   |      Open vSwitch     |
|  Nova API             |   |     Metadata Agent    |   |        L2 Agent       |
|  Neutron Server       |   |     Cinder Volume     |   |                       |
|  Metadata Agent       |   |   Heat API   API-CFN  |   |                       |
|  Cinder API           |   |   Heat Engine         |   |                       |
|  Barbican API         |   |                       |   |                       |
+-----------------------+   +-----------------------+   +-----------------------+

[1] This is the basic usage of Barbican.
# store a key : --name [key's name] --payload [key's data]

[root@dlp ~(keystone)]#
openstack secret store --name secret01 --payload secretkey

+---------------+-----------------------------------------------------------------------+
| Field         | Value                                                                 |
+---------------+-----------------------------------------------------------------------+
| Secret href   | http://10.0.0.30:9311/v1/secrets/02cd4122-9086-4379-8d15-8fc6986706b8 |
| Name          | secret01                                                              |
| Created       | None                                                                  |
| Status        | None                                                                  |
| Content types | None                                                                  |
| Algorithm     | aes                                                                   |
| Bit length    | 256                                                                   |
| Secret type   | opaque                                                                |
| Mode          | cbc                                                                   |
| Expiration    | None                                                                  |
+---------------+-----------------------------------------------------------------------+

# show keys list

[root@dlp ~(keystone)]#
openstack secret list

+-----------------------------------------------------------------------+----------
| Secret href                                                           | Name     
+-----------------------------------------------------------------------+----------
| http://10.0.0.30:9311/v1/secrets/02cd4122-9086-4379-8d15-8fc6986706b8 | secret01 
+-----------------------------------------------------------------------+----------
+---------------------------+--------+-----------------------------+-----------+------------+-------------+------+------------+
| Created                   | Status | Content types               | Algorithm | Bit length | Secret type | Mode | Expiration |
+---------------------------+--------+-----------------------------+-----------+------------+-------------+------+------------+
| 2018-09-04T04:45:12+00:00 | ACTIVE | {u'default': u'text/plain'} | aes       |        256 | opaque      | cbc  | None       |
+---------------------------+--------+-----------------------------+-----------+------------+-------------+------+------------+

# get metadata of a key

[root@dlp ~(keystone)]#
openstack secret get http://10.0.0.30:9311/v1/secrets/02cd4122-9086-4379-8d15-8fc6986706b8

+---------------+-----------------------------------------------------------------------+
| Field         | Value                                                                 |
+---------------+-----------------------------------------------------------------------+
| Secret href   | http://10.0.0.30:9311/v1/secrets/02cd4122-9086-4379-8d15-8fc6986706b8 |
| Name          | secret01                                                              |
| Created       | 2018-09-04T04:45:12+00:00                                             |
| Status        | ACTIVE                                                                |
| Content types | {u'default': u'text/plain'}                                           |
| Algorithm     | aes                                                                   |
| Bit length    | 256                                                                   |
| Secret type   | opaque                                                                |
| Mode          | cbc                                                                   |
| Expiration    | None                                                                  |
+---------------+-----------------------------------------------------------------------+

# get data of a key

[root@dlp ~(keystone)]#
openstack secret get http://10.0.0.30:9311/v1/secrets/02cd4122-9086-4379-8d15-8fc6986706b8 --payload

+---------+-----------+
| Field   | Value     |
+---------+-----------+
| Payload | secretkey |
+---------+-----------+

# generate and store a key

[root@dlp ~(keystone)]#
openstack secret order create --name secret02 --algorithm aes --bit-length 256 \
--mode cbc --payload-content-type application/octet-stream key

+----------------+----------------------------------------------------------------------+
| Field          | Value                                                                |
+----------------+----------------------------------------------------------------------+
| Order href     | http://10.0.0.30:9311/v1/orders/2e414184-bebd-424e-b8ca-3b83f63c455d |
| Type           | Key                                                                  |
| Container href | N/A                                                                  |
| Secret href    | None                                                                 |
| Created        | None                                                                 |
| Status         | None                                                                 |
| Error code     | None                                                                 |
| Error message  | None                                                                 |
+----------------+----------------------------------------------------------------------+

# show generated keys list

[root@dlp ~(keystone)]#
openstack secret order list

+----------------------------------------------------------------------+------+----------------
| Order href                                                           | Type | Container href 
+----------------------------------------------------------------------+------+----------------
| http://10.0.0.30:9311/v1/orders/2e414184-bebd-424e-b8ca-3b83f63c455d | Key  | N/A            
+----------------------------------------------------------------------+------+----------------
+-----------------------------------------------------------------------+---------------------------+--------+------------+---------------+
| Secret href                                                           | Created                   | Status | Error code | Error message |
+-----------------------------------------------------------------------+---------------------------+--------+------------+---------------+
| http://10.0.0.30:9311/v1/secrets/89df1179-70b9-44a5-9019-8119c6145e60 | 2018-09-04T04:47:16+00:00 | ACTIVE | None       | None          |
+-----------------------------------------------------------------------+---------------------------+--------+------------+---------------+

# show a generated key

[root@dlp ~(keystone)]#
openstack secret order get http://10.0.0.30:9311/v1/orders/2e414184-bebd-424e-b8ca-3b83f63c455d

+----------------+-----------------------------------------------------------------------+
| Field          | Value                                                                 |
+----------------+-----------------------------------------------------------------------+
| Order href     | http://10.0.0.30:9311/v1/orders/2e414184-bebd-424e-b8ca-3b83f63c455d  |
| Type           | Key                                                                   |
| Container href | N/A                                                                   |
| Secret href    | http://10.0.0.30:9311/v1/secrets/89df1179-70b9-44a5-9019-8119c6145e60 |
| Created        | 2018-09-04T04:47:16+00:00                                             |
| Status         | ACTIVE                                                                |
| Error code     | None                                                                  |
| Error message  | None                                                                  |
+----------------+-----------------------------------------------------------------------+

# show metadata of a generated key

[root@dlp ~(keystone)]#
openstack secret get http://10.0.0.30:9311/v1/secrets/89df1179-70b9-44a5-9019-8119c6145e60

+---------------+-----------------------------------------------------------------------+
| Field         | Value                                                                 |
+---------------+-----------------------------------------------------------------------+
| Secret href   | http://10.0.0.30:9311/v1/secrets/89df1179-70b9-44a5-9019-8119c6145e60 |
| Name          | secret02                                                              |
| Created       | 2018-09-04T04:47:16+00:00                                             |
| Status        | ACTIVE                                                                |
| Content types | {u'default': u'application/octet-stream'}                             |
| Algorithm     | aes                                                                   |
| Bit length    | 256                                                                   |
| Secret type   | symmetric                                                             |
| Mode          | cbc                                                                   |
| Expiration    | None                                                                  |
+---------------+-----------------------------------------------------------------------+
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