check-tempest-dsvm-neutron-full would fail becuase of "Signature not provided"

[yalei wang]

seems related to this bug https://bugs.launchpad.net/nova/+bug/1408987

===============================================================================
2015-01-09 07:43:53.215 | {0} tempest.thirdparty.boto.test_s3_buckets.S3BucketsTest.test_create_and_get_delete_bucket [1.563434s] ... ok
2015-01-09 07:43:57.630 |
2015-01-09 07:43:57.630 | ==============================
2015-01-09 07:43:57.631 | Failed 12 tests - output below:
2015-01-09 07:43:57.631 | ==============================
2015-01-09 07:43:57.631 |
2015-01-09 07:43:57.632 | setUpClass (tempest.thirdparty.boto.test_ec2_instance_run.InstanceRunTest)
2015-01-09 07:43:57.632 | --------------------------------------------------------------------------
2015-01-09 07:43:57.632 |
2015-01-09 07:43:57.632 | Captured traceback:
2015-01-09 07:43:57.633 | ~~~~~~~~~~~~~~~~~~~
2015-01-09 07:43:57.633 | Traceback (most recent call last):
2015-01-09 07:43:57.633 | File "tempest/test.py", line 273, in setUpClass
2015-01-09 07:43:57.634 | cls.resource_setup()
2015-01-09 07:43:57.634 | File "tempest/thirdparty/boto/test_ec2_instance_run.py", line 48, in resource_setup
2015-01-09 07:43:57.634 | cls.keypair = cls.ec2_client.create_key_pair(cls.keypair_name)
2015-01-09 07:43:57.635 | File "tempest/services/botoclients.py", line 84, in func
2015-01-09 07:43:57.635 | return getattr(conn, name)(*args, **kwargs)
2015-01-09 07:43:57.635 | File "/usr/local/lib/python2.7/dist-packages/boto/ec2/connection.py", line 2866, in create_key_pair
2015-01-09 07:43:57.635 | return self.get_object('CreateKeyPair', params, KeyPair, verb='POST')
2015-01-09 07:43:57.636 | File "/usr/local/lib/python2.7/dist-packages/boto/connection.py", line 1207, in get_object
2015-01-09 07:43:57.636 | raise self.ResponseError(response.status, response.reason, body)
2015-01-09 07:43:57.636 | EC2ResponseError: EC2ResponseError: 400 Bad Request
2015-01-09 07:43:57.637 | <?xml version="1.0"?>
2015-01-09 07:43:57.637 | <Response><Errors><Error><Code>AuthFailure</Code><Message>Signature not provided</Message></Error></Errors><RequestID>req-e03c51ce-2029-412a-887c-118caf2c4f54</RequestID></Response>

[Eugene Nikanorov (enikanorov)]

Unrelated to neutron. Adding nova.

[Joe Gordon (jogo)]

There is not enough information in this bug to triage it on the nova side. Do you have links to the logs? Is this just a duplicate of https://bugs.launchpad.net/nova/+bug/1408987 or is it different?