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[Matt Riedemann <mriedem.os@xxxxxxxxx>]

** Also affects: nova/pike
   Importance: Undecided
       Status: New

** Changed in: nova
     Assignee: Matt Riedemann (mriedem) => jichenjc (jichenjc)

** Changed in: nova/pike
       Status: New => Confirmed

** Changed in: nova/pike
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1716344

Title:
  Nova-API uses Keystone's public endpoint for project id verification

Status in OpenStack Compute (nova):
  In Progress
Status in OpenStack Compute (nova) pike series:
  Confirmed

Bug description:
  I have setup a fresh HA deployment of OpenStack Pike on Ubuntu 16.04.
  I recognized in the logs that Nova fails during vm creation with the
  following exception:

  2017-09-11 09:31:28.909 5604 ERROR nova.api.openstack.identity [req-6efab9e1-78f5-4e85-8247-686ff4f3568c dddfba8e02f746799a6408a523e6cd25 ed2d2efd86dd40e7a45491d8502318d3 - default default] Unable to contact keystone to verify project_id: SSLError: SSL exception connecting to https://os-cloud.mycompany.com:5000/v3/projects/ed2d2efd86dd40e7a45491d8502318d3: ("bad handshake: Error([('SSL routines', 'ssl3_get_server_certificate', 'certificate verify failed')],)",)
  2017-09-11 09:31:28.909 5604 ERROR nova.api.openstack.identity Traceback (most recent call last):
  2017-09-11 09:31:28.909 5604 ERROR nova.api.openstack.identity   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/identity.py", line 42, in verify_project_id
  2017-09-11 09:31:28.909 5604 ERROR nova.api.openstack.identity     raise_exc=False)
  2017-09-11 09:31:28.909 5604 ERROR nova.api.openstack.identity   File "/usr/lib/python2.7/dist-packages/keystoneauth1/session.py", line 845, in get
  2017-09-11 09:31:28.909 5604 ERROR nova.api.openstack.identity     return self.request(url, 'GET', **kwargs)
  2017-09-11 09:31:28.909 5604 ERROR nova.api.openstack.identity   File "/usr/lib/python2.7/dist-packages/positional/__init__.py", line 101, in inner
  2017-09-11 09:31:28.909 5604 ERROR nova.api.openstack.identity     return wrapped(*args, **kwargs)
  2017-09-11 09:31:28.909 5604 ERROR nova.api.openstack.identity   File "/usr/lib/python2.7/dist-packages/keystoneauth1/session.py", line 703, in request
  2017-09-11 09:31:28.909 5604 ERROR nova.api.openstack.identity     resp = send(**kwargs)
  2017-09-11 09:31:28.909 5604 ERROR nova.api.openstack.identity   File "/usr/lib/python2.7/dist-packages/keystoneauth1/session.py", line 765, in _send_request
  2017-09-11 09:31:28.909 5604 ERROR nova.api.openstack.identity     raise exceptions.SSLError(msg)
  2017-09-11 09:31:28.909 5604 ERROR nova.api.openstack.identity SSLError: SSL exception connecting to https://os-cloud.mycompany.com:5000/v3/projects/ed2d2efd86dd40e7a45491d8502318d3: ("bad handshake: Error([('SSL routines', 'ssl3_get_server_certificate', 'certificate verify failed')],)",)
  2017-09-11 09:31:28.909 5604 ERROR nova.api.openstack.identity

  Keystone's public endpoint should only visible to external clients.
  All internal OpenStack services should use the internalURL for
  authentication purposes. I think my configuration is correct. The
  "auth_url" point to Keystone's internal URL, whereas "auth_uri" points
  to Keystone's public endpoint. I want to avoid https based
  communication for my internal cloud services.

  $ openstack endpoint list | grep keystone
  | 00a22bfee72141ddadacd0e357161075 | RegionOne | keystone     | identity        | True    | internal  | http://os-identity.mycompany.com:5000/v3                        |
  | 7178e534cb4e4c5e9a67066ff3e9c433 | RegionOne | keystone     | identity        | True    | public    | https://os-cloud.mycompany.com:5000/v3                          |
  | f5ed3bba70274d7fa03f2ceaab96c3c9 | RegionOne | keystone     | identity        | True    | admin     | http://os-identity.mycompany.com:35357/v3                       |

  ################
  nova.conf
  ################
  ...
  [keystone_authtoken]
  auth_type = password
  auth_uri = http://os-cloud.mycompany.com:5000
  auth_url = http://os-identity:35357
  memcached_servers = os-memcache:11211
  password = novapass
  project_domain_name = default
  project_name = service
  user_domain_name = default
  username = nova
  ...

  Can someone please have a look?

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