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[Alfred Shen <alfredcs@xxxxxxxxx>]

Public bug reported:

Keystone does not seem to be able to resolve DNS, if endpoints were
configured with hostname instead of IP.

MariaDB [keystone]> select * from endpoint where url like '%500%' or '%3535%';;
+----------------------------------+----------------------------------+-----------+----------------------------------+--------------------------------------+-------+---------+-----------+
| id                               | legacy_endpoint_id               | interface | service_id                       | url                                  | extra | enabled | region_id |
+----------------------------------+----------------------------------+-----------+----------------------------------+--------------------------------------+-------+---------+-----------+
| 39cf5bb25fef4f01a1bc2b83f76ce8dd | 99c316ae7cbd449ebccfd6efe1c5d03c | admin     | 439e97af7e4b43f9a3b0ee82e33751fe |  http://vrrp01:35357/v2.0            | {}    |       1 | RegionOne |
| 8a75236613354776b50b56c527fe3a75 | 99c316ae7cbd449ebccfd6efe1c5d03c | public    | 439e97af7e4b43f9a3b0ee82e33751fe |  http://vrrp01:5000/v2.0             | {}    |       1 | RegionOne |

+----------------------------------+----------------------------------+-----------+----------------------------------+--------------------------------------+-------+---------+-----------+

root@ctl10:/var/log/apache2# keystone --debug user-list
DEBUG:keystoneclient.auth.identity.v2:Making authentication request to http://vrrp01:35357/v2.0/tokens
INFO:urllib3.connectionpool:Starting new HTTP connection (1): vrrp01
DEBUG:urllib3.connectionpool:Setting read timeout to 600.0
DEBUG:urllib3.connectionpool:"POST /v2.0/tokens HTTP/1.1" 200 1699
DEBUG:keystoneclient.session:REQ: curl -g -i -X GET  http://vrrp01:35357/v2.0/users -H "User-Agent: python-keystoneclient" -H "Accept: application/json" -H "X-Auth-Token: {SHA1}cfd888a32a64ee77e42524a2c15cb4547ab9d534"
No connection adapters were found for ' http://vrrp01:35357/v2.0/users'


Change endpoints to use IPs and keystone works normally. 


MariaDB [keystone]> select * from endpoint where url like '%500%' or '%3535%';
+----------------------------------+----------------------------------+-----------+----------------------------------+----------------------------+-------+---------+-----------+
| id                               | legacy_endpoint_id               | interface | service_id                       | url                        | extra | enabled | region_id |
+----------------------------------+----------------------------------+-----------+----------------------------------+----------------------------+-------+---------+-----------+
| 8a75236613354776b50b56c527fe3a75 | 99c316ae7cbd449ebccfd6efe1c5d03c | public    | 439e97af7e4b43f9a3b0ee82e33751fe | http://10.11.3.4:5000/v2.0 | {}    |       1 | RegionOne |
| c4e486c0ebc241659f76c37b3917eaec | 99c316ae7cbd449ebccfd6efe1c5d03c | internal  | 439e97af7e4b43f9a3b0ee82e33751fe | http://10.11.3.4:5000/v2.0 | {}    |       1 | RegionOne |
+----------------------------------+----------------------------------+-----------+----------------------------------+----------------------------+-------+---------+-----------+

root@ctl10:/var/log/apache2# keystone --debug token-get
DEBUG:keystoneclient.auth.identity.v2:Making authentication request to http://vrrp01:35357/v2.0/tokens
INFO:urllib3.connectionpool:Starting new HTTP connection (1): vrrp01
DEBUG:urllib3.connectionpool:Setting read timeout to 600.0
DEBUG:urllib3.connectionpool:"POST /v2.0/tokens HTTP/1.1" 200 1699
+-----------+----------------------------------+
|  Property |              Value               |
+-----------+----------------------------------+
|  expires  |       2015-10-15T19:36:25Z       |
|     id    | 25789066641c4caf80be4173a96ae0b8 |
| tenant_id | 02f8e769e5e3430ca1e77582ba0d73e0 |
|  user_id  | 0815385ac2d044a6b524d8e05839b824 |

** Affects: keystone
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1506594

Title:
  Keystone endpoint can not resolve DNS

Status in Keystone:
  New

Bug description:
  Keystone does not seem to be able to resolve DNS, if endpoints were
  configured with hostname instead of IP.

  MariaDB [keystone]> select * from endpoint where url like '%500%' or '%3535%';;
  +----------------------------------+----------------------------------+-----------+----------------------------------+--------------------------------------+-------+---------+-----------+
  | id                               | legacy_endpoint_id               | interface | service_id                       | url                                  | extra | enabled | region_id |
  +----------------------------------+----------------------------------+-----------+----------------------------------+--------------------------------------+-------+---------+-----------+
  | 39cf5bb25fef4f01a1bc2b83f76ce8dd | 99c316ae7cbd449ebccfd6efe1c5d03c | admin     | 439e97af7e4b43f9a3b0ee82e33751fe |  http://vrrp01:35357/v2.0            | {}    |       1 | RegionOne |
  | 8a75236613354776b50b56c527fe3a75 | 99c316ae7cbd449ebccfd6efe1c5d03c | public    | 439e97af7e4b43f9a3b0ee82e33751fe |  http://vrrp01:5000/v2.0             | {}    |       1 | RegionOne |

  +----------------------------------+----------------------------------+-----------+----------------------------------+--------------------------------------+-------+---------+-----------+

  root@ctl10:/var/log/apache2# keystone --debug user-list
  DEBUG:keystoneclient.auth.identity.v2:Making authentication request to http://vrrp01:35357/v2.0/tokens
  INFO:urllib3.connectionpool:Starting new HTTP connection (1): vrrp01
  DEBUG:urllib3.connectionpool:Setting read timeout to 600.0
  DEBUG:urllib3.connectionpool:"POST /v2.0/tokens HTTP/1.1" 200 1699
  DEBUG:keystoneclient.session:REQ: curl -g -i -X GET  http://vrrp01:35357/v2.0/users -H "User-Agent: python-keystoneclient" -H "Accept: application/json" -H "X-Auth-Token: {SHA1}cfd888a32a64ee77e42524a2c15cb4547ab9d534"
  No connection adapters were found for ' http://vrrp01:35357/v2.0/users'

  
  Change endpoints to use IPs and keystone works normally. 

  
  MariaDB [keystone]> select * from endpoint where url like '%500%' or '%3535%';
  +----------------------------------+----------------------------------+-----------+----------------------------------+----------------------------+-------+---------+-----------+
  | id                               | legacy_endpoint_id               | interface | service_id                       | url                        | extra | enabled | region_id |
  +----------------------------------+----------------------------------+-----------+----------------------------------+----------------------------+-------+---------+-----------+
  | 8a75236613354776b50b56c527fe3a75 | 99c316ae7cbd449ebccfd6efe1c5d03c | public    | 439e97af7e4b43f9a3b0ee82e33751fe | http://10.11.3.4:5000/v2.0 | {}    |       1 | RegionOne |
  | c4e486c0ebc241659f76c37b3917eaec | 99c316ae7cbd449ebccfd6efe1c5d03c | internal  | 439e97af7e4b43f9a3b0ee82e33751fe | http://10.11.3.4:5000/v2.0 | {}    |       1 | RegionOne |
  +----------------------------------+----------------------------------+-----------+----------------------------------+----------------------------+-------+---------+-----------+

  root@ctl10:/var/log/apache2# keystone --debug token-get
  DEBUG:keystoneclient.auth.identity.v2:Making authentication request to http://vrrp01:35357/v2.0/tokens
  INFO:urllib3.connectionpool:Starting new HTTP connection (1): vrrp01
  DEBUG:urllib3.connectionpool:Setting read timeout to 600.0
  DEBUG:urllib3.connectionpool:"POST /v2.0/tokens HTTP/1.1" 200 1699
  +-----------+----------------------------------+
  |  Property |              Value               |
  +-----------+----------------------------------+
  |  expires  |       2015-10-15T19:36:25Z       |
  |     id    | 25789066641c4caf80be4173a96ae0b8 |
  | tenant_id | 02f8e769e5e3430ca1e77582ba0d73e0 |
  |  user_id  | 0815385ac2d044a6b524d8e05839b824 |

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