[VNC OpenStack] List port with a malformed device uuid raise an internal error

[Édouard Thuleau]

$ neutron port-list --device-id bad_uuid
An unknown exception occurred.
Neutron server returns request_ids: ['req-a09d661e-5ab2-4b3f-9bb8-4ab49e90ee4d']

In vnc api logs:

ERROR:contrail-api:__default__ [SYS_ERR]: VncApiError: <pre>Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/vnc_cfg_api_server/vnc_cfg_api_server.py", line 1641, in handler_trap_exception
    response = handler(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/cfgm_common/vnc_api_stats.py", line 17, in wrapper
    response = func(api_server_obj, resource_type, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/vnc_cfg_api_server/vnc_cfg_api_server.py", line 986, in http_resource_list
    back_ref_uuids = [str(uuid.UUID(b_uuid)) for b_uuid in back_ref_ids]
  File "/usr/lib/python2.7/uuid.py", line 134, in __init__
    raise ValueError('badly formed hexadecimal UUID string')
ValueError: badly formed hexadecimal UUID string
</pre>

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/23254
Submitter: ?douard Thuleau (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/23254
Committed: http://github.org/Juniper/contrail-controller/commit/1a09f64f271fae5ded4b16cfe9434d561ab2cc19
Submitter: Zuul
Branch: master

commit 1a09f64f271fae5ded4b16cfe9434d561ab2cc19
Author: Édouard Thuleau <email address hidden>
Date: Fri Aug 12 13:19:47 2016 +0200

[VNC API Server] Ignore malformed UUID in filters

If filters that should contain UUID v4 string have some malformed
values, we ignore them and just return list for valid ones

Change-Id: I2995ad9cceb6b0254a7f98338c2e356cc3082eac
Closes-bug: #1612557