the servers context require to set network id when multiple possible networks found

[chenhb]

The servers context require to set network id when multiple possible networks found. However, there is not the the related argument in the servers context.

yaml file:
{% set flavor_name = flavor_name or "m1.tiny" %}
---
  NovaServers.list_servers:
    -
      args:
        detailed: True
      runner:
        type: "constant"
        times: 1
        concurrency: 1
      context:
        users:
          tenants: 1
          users_per_tenant: 1
        servers:
          flavor:
              name: "{{flavor_name}}"
          image:
              name: "^cirros.*01$"
          servers_per_tenant: 2
          auto_assign_nic: false

Error message:

2016-06-14 15:25:34.069 19616 ERROR rally.task.engine [-] Multiple possible networks found, use a Network ID to be more specific. (HTTP 400) (Request-ID: req-f5f8e085-0910-45c6-ad01-56a70f4ca484)
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine Traceback (most recent call last):
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine File "/usr/lib/python2.7/site-packages/rally/task/engine.py", line 346, in run
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine with context.ContextManager(context_obj):
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine File "/usr/lib/python2.7/site-packages/rally/task/context.py", line 218, in __enter__
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine self.setup()
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine File "/usr/lib/python2.7/site-packages/rally/task/context.py", line 181, in setup
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine ctx.setup()
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine File "/usr/lib/python2.7/site-packages/rally/common/logging.py", line 197, in wrapper
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine result = f(self, *args, **kwargs)
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine File "/usr/lib/python2.7/site-packages/rally/plugins/openstack/context/nova/servers.py", line 116, in setup
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine **kwargs)
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine File "/usr/lib/python2.7/site-packages/rally/task/atomic.py", line 84, in func_atomic_actions
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine f = func(self, *args, **kwargs)
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine File "/usr/lib/python2.7/site-packages/rally/plugins/openstack/scenarios/nova/utils.py", line 567, in _boot_servers
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine **kwargs)
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine File "/usr/lib/python2.7/site-packages/novaclient/v2/servers.py", line 1242, in create
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine **boot_kwargs)
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine File "/usr/lib/python2.7/site-packages/novaclient/v2/servers.py", line 676, in _boot
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine return_raw=return_raw, **kwargs)
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine File "/usr/lib/python2.7/site-packages/novaclient/base.py", line 345, in _create
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine resp, body = self.api.client.post(url, body=body)
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine File "/usr/lib/python2.7/site-packages/novaclient/client.py", line 461, in post
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine return self._cs_request(url, 'POST', **kwargs)
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine File "/usr/lib/python2.7/site-packages/novaclient/client.py", line 436, in _cs_request
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine resp, body = self._time_request(url, method, **kwargs)
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine File "/usr/lib/python2.7/site-packages/novaclient/client.py", line 409, in _time_request
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine resp, body = self.request(url, method, **kwargs)
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine File "/usr/lib/python2.7/site-packages/novaclient/client.py", line 403, in request
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine raise exceptions.from_response(resp, body, url, method)
2016-06-14 15:25:34.069 19616 ERROR rally.task.engine BadRequest: Multiple possible networks found, use a Network ID to be more specific. (HTTP 400) (Request-ID: req-f5f8e085-0910-45c6-ad01-56a70f4ca484)

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/329308

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/329308
Committed: https://git.openstack.org/cgit/openstack/rally/commit/?id=2e557ad97ce4b44fa18e51f31188d5b5bf8915fc
Submitter: Jenkins
Branch: master

commit 2e557ad97ce4b44fa18e51f31188d5b5bf8915fc
Author: chenhb-zte <email address hidden>
Date: Tue Jun 14 15:54:21 2016 -0400

    Add the nics argument in servers context

    The servers context require to set network id
    when multiple possible networks found.

    Change-Id: I2e524ce9683e738fb913b6ce9ed10c10bc708b84
    Closes-Bug:#1592292