[systest][ostf] OSTF is failed by timeout in systests

[Nastya Urlapova]

iso - #132
os - ubuntu

clusters:
* deploy_multirole_controller_cinder
* deploy_multirole_compute_cinder

result in test:
Waiting timed out -- expired in 10 min

in ostf.log
2013-12-12 14:06:52 DEBUG (test_nova_create_instance_with_connectivity) Traceback (most recent call last):
  File "/opt/fuel_plugins/ostf/lib/python2.6/site-packages/fuel_health/tests/smoke/test_nova_create_instance_with_connectivity.py", line 64, in tearDown
    self._delete_server(server)
  File "/opt/fuel_plugins/ostf/lib/python2.6/site-packages/fuel_health/nmanager.py", line 228, in _delete_server
    self.compute_client.servers.stop(server)
  File "/opt/fuel_plugins/ostf/lib/python2.6/site-packages/novaclient/v1_1/servers.py", line 509, in stop
    return self._action('os-stop', server, None)
  File "/opt/fuel_plugins/ostf/lib/python2.6/site-packages/novaclient/v1_1/servers.py", line 951, in _action
    return self.api.client.post(url, body=body)
  File "/opt/fuel_plugins/ostf/lib/python2.6/site-packages/novaclient/client.py", line 232, in post
    return self._cs_request(url, 'POST', **kwargs)
  File "/opt/fuel_plugins/ostf/lib/python2.6/site-packages/novaclient/client.py", line 213, in _cs_request
    **kwargs)
  File "/opt/fuel_plugins/ostf/lib/python2.6/site-packages/novaclient/client.py", line 195, in _time_request
    resp, body = self.request(url, method, **kwargs)
  File "/opt/fuel_plugins/ostf/lib/python2.6/site-packages/novaclient/client.py", line 189, in request
    raise exceptions.from_response(resp, body, url, method)
NotFound: Instance not found (HTTP 404) (Request-ID: req-b5ac2691-d88b-479d-a4f7-4511c247e726)

[Tatyanka (tatyana-leontovich)]

Need change timoute for ostf task in sys test, according there was new tests added and retries on ssh to avoid issue when instance networking appear too long

[Tatyanka (tatyana-leontovich)]

As about traceback - it is ok - In test we send delete request - but we need to know - that instance really deleted - for this we request instance details (several times with interval near 10 sec between retries) and when faced with 404 error return True and error logged (to be sure that it was really 404). I add for this some logging message and change logging level to avoid confusion (should be on tomorrow iso) (for more detail see nmanager.py call_until_true and wait for deletion complete methods)