troveclient raising undefined exception ConnectionError

[Denis M.]

When client trying to establish connection with shutdowned service it returns attribute error

 ./redstack rd-client --debug list

Traceback (most recent call last):
  File "/opt/stack/python-troveclient/troveclient/shell.py", line 655, in main
    sys.argv[1:]))
  File "/opt/stack/python-troveclient/troveclient/shell.py", line 494, in main
    args.func(self.cs, args)
  File "/opt/stack/python-troveclient/troveclient/v1/shell.py", line 103, in do_list
    instances = cs.instances.list()
  File "/opt/stack/python-troveclient/troveclient/v1/instances.py", line 92, in list
    return self._paginated("/instances", "instances", limit, marker)
  File "/opt/stack/python-troveclient/troveclient/base.py", line 65, in _paginated
    resp, body = self.api.client.get(common.limit_url(url, limit, marker))
  File "/opt/stack/python-troveclient/troveclient/client.py", line 208, in get
    return self._cs_request(url, 'GET', **kwargs)
  File "/opt/stack/python-troveclient/troveclient/client.py", line 200, in _cs_request
    raise exceptions.ConnectionError(msg)
AttributeError: 'module' object has no attribute 'ConnectionError'
ERROR: 'module' object has no attribute 'ConnectionError'

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/56930

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/70119
Committed: https://git.openstack.org/cgit/openstack/python-troveclient/commit/?id=1fe0e4ee604ea9b6951eb3cc8e573b0e3b81bfde
Submitter: Jenkins
Branch: master

commit 1fe0e4ee604ea9b6951eb3cc8e573b0e3b81bfde
Author: Nilakhya <email address hidden>
Date: Thu Jan 30 19:36:19 2014 +0530

    Fixes troveclient raising undefined exception ConnectionError

    Reason: ConnectionError exception is raised which is not defined in
            python-troveclient/troveclient/openstack/common/apiclient/exceptions.py

    Change: ConnectionError should be renamed to ConnectionRefused.

    Closes-Bug: #1240950

    Change-Id: I73219d29efd71185cdf6ff56a7fe41165541681f