raise Invalid credentials when run "rally verfy start compute"

[yuchuan zhang]

Raise the many below errors when run "rally verfy start compute"
======================================================================
FAIL: setUpClass (tempest.api.compute.volumes.test_volumes_negative.VolumesNegativeTest)
----------------------------------------------------------------------
Traceback (most recent call last):
_StringException: Traceback (most recent call last):
  File "/root/.rally/tempest/for-deployment-dc99bad6-b9fe-4221-8d96-a61c1bd7264d/tempest/test.py", line 241, in setUpClass
    cls.resource_setup()
  File "/root/.rally/tempest/for-deployment-dc99bad6-b9fe-4221-8d96-a61c1bd7264d/tempest/api/compute/volumes/test_volumes_negative.py", line 33, in resource_setup
    super(VolumesNegativeTest, cls).resource_setup()
  File "/root/.rally/tempest/for-deployment-dc99bad6-b9fe-4221-8d96-a61c1bd7264d/tempest/api/compute/base.py", line 46, in resource_setup
    cls.multi_user = cls.check_multi_user()
  File "/root/.rally/tempest/for-deployment-dc99bad6-b9fe-4221-8d96-a61c1bd7264d/tempest/api/compute/base.py", line 99, in check_multi_user
    if not cls.isolated_creds.is_multi_user():
  File "/root/.rally/tempest/for-deployment-dc99bad6-b9fe-4221-8d96-a61c1bd7264d/tempest/common/accounts.py", line 171, in is_multi_user
    return self._unique_creds('username')
  File "/root/.rally/tempest/for-deployment-dc99bad6-b9fe-4221-8d96-a61c1bd7264d/tempest/common/accounts.py", line 160, in _unique_creds
    alt_user = self.get_alt_creds()
  File "/root/.rally/tempest/for-deployment-dc99bad6-b9fe-4221-8d96-a61c1bd7264d/tempest/common/accounts.py", line 207, in get_alt_creds
    'alt_user')
  File "/root/.rally/tempest/for-deployment-dc99bad6-b9fe-4221-8d96-a61c1bd7264d/tempest/common/cred_provider.py", line 59, in get_configured_credentials
    credentials = auth.get_credentials(fill_in=fill_in, **params)
  File "/root/.rally/tempest/for-deployment-dc99bad6-b9fe-4221-8d96-a61c1bd7264d/tempest/auth.py", line 472, in get_credentials
    auth_provider = auth_provider_class(creds)
  File "/root/.rally/tempest/for-deployment-dc99bad6-b9fe-4221-8d96-a61c1bd7264d/tempest/auth.py", line 205, in __init__
    super(KeystoneAuthProvider, self).__init__(credentials, interface)
  File "/root/.rally/tempest/for-deployment-dc99bad6-b9fe-4221-8d96-a61c1bd7264d/tempest/auth.py", line 51, in __init__
    raise TypeError("Invalid credentials")
TypeError: Invalid credentials

[yuchuan zhang (yuchuan-zhang)]

the root cause perhaps is that tempest.conf which is generated by Rally have a defect: the "alt_username" option is not inserted.

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/171198
Committed: https://git.openstack.org/cgit/stackforge/rally/commit/?id=405f5f42ff03c46a1d533cce3c88b0471e96d0bc
Submitter: Jenkins
Branch: master

commit 405f5f42ff03c46a1d533cce3c88b0471e96d0bc
Author: Andrey Kurilin <email address hidden>
Date: Tue Apr 7 16:44:08 2015 +0300

    Specify alt_user in tempest config

    Change-Id: I4b4abec473e02250464ae134c89ace946514ff28
    Closes-Bug: #1432518