log_http_response tracing when image name is multi-byte unicode

[Matt Riedemann]

Basically the same issue as bug 1320655 but in a different method in the http.py module:

http://logs.openstack.org/35/118135/5/gate/gate-tempest-dsvm-full/8e230bc/logs/screen-n-cpu.txt.gz#_2014-09-10_14_27_45_271

2014-09-10 14:27:45.271 28251 INFO nova.compute.manager [-] [instance: 3634459f-2177-4a17-bc57-074610d2f6e5] VM Started (Lifecycle Event)
Traceback (most recent call last):
  File "/usr/lib/python2.7/logging/__init__.py", line 851, in emit
    msg = self.format(record)
  File "/opt/stack/new/nova/nova/openstack/common/log.py", line 705, in format
    return logging.StreamHandler.format(self, record)
  File "/usr/lib/python2.7/logging/__init__.py", line 724, in format
    return fmt.format(record)
  File "/opt/stack/new/nova/nova/openstack/common/log.py", line 632, in format
    record.msg = six.text_type(record.msg)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 319: ordinal not in range(128)
Logged from file http.py, line 133

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/121683

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/121683
Committed: https://git.openstack.org/cgit/openstack/python-glanceclient/commit/?id=ba19a534b7576846d542f9c6a4d6769253c603e8
Submitter: Jenkins
Branch: master

commit ba19a534b7576846d542f9c6a4d6769253c603e8
Author: Matt Riedemann <email address hidden>
Date: Mon Sep 15 14:55:28 2014 -0700

    Handle UnicodeDecodeError in log_http_response

    Similar to commit dec9c9f35 and log_curl_request,
    this ignores decoding errors when logging response
    headers by passing errors='ignore' to safe_encode.

    Change-Id: Ic915a7d8334e9473f300c9db670a3a8f5cda8976
    Closes-Bug: #1369756