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[Bug 1244331] Re: need to sepcify region_name when multi region is available

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Yaguang Tang <yaguang.tang@xxxxxxxxxxxxx>
Date: Thu, 24 Oct 2013 17:55:43 -0000
Reply-to: Bug 1244331 <1244331@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: nova
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1244331

Title:
  need to sepcify region_name when multi region is available

Status in OpenStack Compute (Nova):
  Invalid

Bug description:
  in a multi region environment, all regions share the keystone auth service to provide unified user credentials.  
  there can be multi endpoints for the same type to be used by different region.  in this case.  when requesting a endpoint, region_name must be specified or the follow error occurs

   cinder endpoints
  Found more than one valid endpoint. Use a more restrictive filter
  ERROR: AmbiguousEndpoints: [{u'adminURL': u'http://127.0.0.1:8776/v1/79792bbe14ee4d35b2d0e72e03398fa5', u'region': u'RegionOne', u'id': u'01a9b35765b54047b013da6a3dcc2d58', 'serviceName': u'cinder', u'internalURL': u'http://127.0.0.1:8776/v1/79792bbe14ee4d35b2d0e72e03398fa5', u'publicURL': u'http://127.0.0.1:8776/v1/79792bbe14ee4d35b2d0e72e03398fa5'}, {u'region': u'RegionTwo', 'serviceName': u'cinder', u'id': u'01a9b35765b54047b013da6a3dcc2d50', u'publicURL': u'http://127.0.0.1:8776/v1/79792bbe14ee4d35b2d0e72e03398fa5'}]

  ubuntu@moon:~$ nova volume-list
  Found more than one valid endpoint. Use a more restrictive filter
  ERROR: AmbiguousEndpoints: [{u'adminURL': u'http://58.83.209.156:8776/v1/79792bbe14ee4d35b2d0e72e03398fa5', u'region': u'RegionOne', u'id': u'01a9b35765b54047b013da6a3dcc2d58', 'serviceName': u'cinder', u'internalURL': u'http://127.0.0.1:8776/v1/79792bbe14ee4d35b2d0e72e03398fa5', u'publicURL': u'http://127.0.0.1:8776/v1/79792bbe14ee4d35b2d0e72e03398fa5'}, {u'region': u'RegionTwo', 'serviceName': u'cinder', u'id': u'01a9b35765b54047b013da6a3dcc2d50', u'publicURL': u'http://127.0.0. 1:8776/v1/79792bbe14ee4d35b2d0e72e03398fa5'}]

  note that not only user who use a python-* client need to specify a
  region_name when create a request but also we should add such
  parameter in nova.conf.

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