CLI fails when Connection is refused

[Alexander Chadin]

roman@roman:~$ python
>>> from rally import osclients
>>> clients = osclients.Clients.create_from_env()
>>> clients
<rally.osclients.Clients object at 0x7f66908e0710>
>>> clients.watcher()
<watcherclient.v1.client.Client object at 0x7f66908ed190>
>>> watcher.action.list()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/opt/stack/python-watcherclient/watcherclient/v1/action.py", line 75, in list
    return self._list(self._path(path), "actions")
  File "/opt/stack/python-watcherclient/watcherclient/common/base.py", line 121, in _list
    resp, body = self.api.json_request('GET', url)
  File "/opt/stack/python-watcherclient/watcherclient/common/http.py", line 204, in json_request
    resp, body_iter = self._http_request(url, method, **kwargs)
  File "/opt/stack/python-watcherclient/watcherclient/common/http.py", line 168, in _http_request
    raise exc.ConnectionRefused(
AttributeError: 'module' object has no attribute 'ConnectionRefused'

Looks like here is to be used CommunicationError instead.
https://github.com/openstack/python-watcherclient/blob/master/watcherclient/exceptions.py#L21

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/340935

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/340935
Committed: https://git.openstack.org/cgit/openstack/python-watcherclient/commit/?id=5b914e8877e0a0bd6057cff039f3505b6c58f63d
Submitter: Jenkins
Branch: master

commit 5b914e8877e0a0bd6057cff039f3505b6c58f63d
Author: Alexandr Stavitskiy <email address hidden>
Date: Tue Jul 12 16:09:04 2016 +0300

    Fix for error importing of exception class

    This patch set fixes error while importing of ConnectionRefused
    exception class.

    Change-Id: I4aee677ccc25334ba9bd12633b1c487db2b1dd3e
    Closes-Bug: #1602214

[Doug Hellmann (doug-hellmann)]

This issue was fixed in the openstack/python-watcherclient 0.24.0 release.