Comment 10 for bug 1583276

Another variant of this? This time, I'm not seeing that an image was partially uploaded, but it looks like glance restarted during an API call from gs3 that led to an exception without a retry

[From glance-simplestreams-sync-0/var/log/glance-simplestreams-sync.log]
ClientException: Object GET failed: http://10.245.201.183:80:80/swift/v1/simplestreams/data/streams/v1/auto.sync.json 404 Not Found NoSuchKey
DEBUG * 05-19 16:37:52 [PID:16871] * glanceclient.common.http * curl -i -X GET -H 'X-Auth-Token: 51228ff97043447b94f3f2db09e0c45f' -H 'Content-Type: application/json' -H 'User-Agent: python-glanceclient' http://10.245.201.207:9292/v1/images/detail?limit=20
ERROR * 05-19 16:37:53 [PID:16871] * root * Exception during do_sync
Traceback (most recent call last):
  File "/usr/share/glance-simplestreams-sync/glance-simplestreams-sync.py", line 444, in main
    do_sync(charm_conf, status_exchange)
  File "/usr/share/glance-simplestreams-sync/glance-simplestreams-sync.py", line 215, in do_sync
    tmirror.sync(smirror, path=initial_path)
  File "/usr/lib/python2.7/dist-packages/simplestreams/mirrors/__init__.py", line 91, in sync
    return self.sync_index(reader, path, data, content)
  File "/usr/lib/python2.7/dist-packages/simplestreams/mirrors/__init__.py", line 254, in sync_index
    self.sync(reader, path=epath)
  File "/usr/lib/python2.7/dist-packages/simplestreams/mirrors/__init__.py", line 89, in sync
    return self.sync_products(reader, path, data, content)
  File "/usr/lib/python2.7/dist-packages/simplestreams/mirrors/__init__.py", line 269, in sync_products
    target = self.load_products(path, content_id)
  File "/usr/lib/python2.7/dist-packages/simplestreams/mirrors/glance.py", line 172, in load_products
    for image in images:
  File "/usr/lib/python2.7/dist-packages/glanceclient/v1/images.py", line 174, in paginate
    images = self._list(url, "images")
  File "/usr/lib/python2.7/dist-packages/glanceclient/common/base.py", line 53, in _list
    resp, body = self.api.json_request('GET', url)
  File "/usr/lib/python2.7/dist-packages/glanceclient/common/http.py", line 266, in json_request
    resp, body_iter = self._http_request(url, method, **kwargs)
  File "/usr/lib/python2.7/dist-packages/glanceclient/common/http.py", line 226, in _http_request
    resp = conn.getresponse()
  File "/usr/lib/python2.7/httplib.py", line 1051, in getresponse
    response.begin()
  File "/usr/lib/python2.7/httplib.py", line 415, in begin
    version, status, reason = self._read_status()
  File "/usr/lib/python2.7/httplib.py", line 379, in _read_status
    raise BadStatusLine(line)
BadStatusLine: ''

And on glance:
[from glance-0/var/log/juju/unit-glance-0.log]
2016-05-19 16:37:54 INFO ceph-relation-changed glance-api stop/waiting
2016-05-19 16:37:54 INFO ceph-relation-changed glance-api start/running, process 27074
2016-05-19 16:37:54 INFO ceph-relation-changed glance-api stop/waiting
2016-05-19 16:37:54 INFO ceph-relation-changed glance-api start/running, process 27093
2016-05-19 16:37:54 INFO ceph-relation-changed glance-registry stop/waiting
2016-05-19 16:37:55 INFO ceph-relation-changed glance-registry start/running, process 27113