8f58bbf38f
1. Scope mock of 'open' to module
By mocking 'open' at the module level, we can avoid affecting
'open' calls from other modules.
2. Stop using LOG.exception in contexts with no sys.exc_info set
Python 3.4 logger fills in record.exc_info with sys.exc_info() result
[1], and then it uses it to determine the current exception [2] to
append to the log message. Since there is no exception, exc_info[1] is
None, and we get AttributeError inside traceback module.
It's actually a bug in Python interpreter that it attempt to access the
attribute when there is no exception. It turns out that it's fixed in
latest master of cPython [3] (the intent of the patch does not seem
relevant, but it removes the offending code while reshuffling the code).
Note that now cPython correctly checks the exception value before
accessing its attributes [4].
The patch in cPython that resulted in the failure is [5] and is present
since initial Python 3k releases.
The patch in fixtures that broke us is [6].
[1]: https://hg.python.org/cpython/file/tip/Lib/logging/__init__.py#l1412
[2]: https://hg.python.org/cpython/file/tip/Lib/logging/__init__.py#l575
[3]: https://hg.python.org/cpython/rev/73afda5a4e4c
[4]: https://hg.python.org/cpython/rev/73afda5a4e4c#l6.484
[5]: https://hg.python.org/cpython/rev/2ee09afee126
[6]: 67dd295694
Closes-Bug: #1503847
Closes-Bug: #1504053
Co-Authored-By: Ihar Hrachyshka <ihrachys@redhat.com>
Change-Id: I456b7846b8a53e4d3f8c91583685e0e1eaa84719
Welcome!
You have come across a cloud computing network fabric controller. It has identified itself as "Neutron." It aims to tame your (cloud) networking!
External Resources:
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http://docs.openstack.org/api/openstack-network/2.0/content/
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