HTTP 500 when `nova list --name` contains invalid regexp

[Jaroslav Henner]

# nova list --name \*
ERROR: The server has either erred or is incapable of performing the requested operation. (HTTP 500) (Request-ID: req-e399bee0-2491-4e4a-9197-944b19c86075)

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/104931

[Davanum Srinivas (DIMS) (dims-v)]

With the proposed change, we'll see

stack@bigblue:~$ nova list --name "*"
ERROR (BadRequest): (OperationalError) (1139, "Got error 'repetition-operator operand invalid' from regexp") (HTTP 400) (Request-ID: req-8020ebd9-5286-45a9-b19c-a6fbfb33ca9c)

[Davanum Srinivas (DIMS) (dims-v)]

Here's the traceback for the record:
http://paste.openstack.org/show/85543/

[OpenStack Infra (hudson-openstack)]

Change abandoned by Davanum Srinivas (dims) (<email address hidden>) on branch: master
Review: https://review.openstack.org/104931

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/138691

[OpenStack Infra (hudson-openstack)]

Change abandoned by Joe Gordon (<email address hidden>) on branch: master
Review: https://review.openstack.org/138691
Reason: This review is > 4 weeks without comment, and failed Jenkins the last time it was checked. We are abandoning this for now. Feel free to reactivate the review by pressing the restore button and leaving a 'recheck' comment to get fresh test results.

[Anusha Unnam (anusha-unnam)]

@Preeti, are you still working on this bug?

[Markus Zoeller (markus_z) (mzoeller)]

This is an automated cleanup. This bug report has been closed because it
is older than 18 months and there is no open code change to fix this.
After this time it is unlikely that the circumstances which lead to
the observed issue can be reproduced.

If you can reproduce the bug, please:
* reopen the bug report (set to status "New")
* AND add the detailed steps to reproduce the issue (if applicable)
* AND leave a comment "CONFIRMED FOR: <RELEASE_NAME>"
  Only still supported release names are valid (LIBERTY, MITAKA, OCATA, NEWTON).
  Valid example: CONFIRMED FOR: LIBERTY