If folks want to try out the proposed fix while I'm testing:

   sudo add-apt-repository ppa:james-page/ceilometer
   sudo apt-get update && sudo apt-get upgrade


** Description changed:

  [Impact]
  ceilometer filter usage in swift-proxy is broken; users can't get telemetry 
on object storage usage.
  
  [Test Case]
+ sudo apt-get install swift-proxy ceilometer-common
+ configure ceilometer egg into pipeline following 
http://docs.openstack.org/trunk/install-guide/install/apt/content/ceilometer-install-swift.html
+ sudo start swift-proxy (fails with error detailed below)
  
  [Regression Potential]
+ Minimal, just patching requirement to support the version of pecan we have in 
14.04.
  
  [Original Bug]
  Affected release:
  Description:  Ubuntu 14.04 LTS
  Release:      14.04
  
  Affected package version:
  swift-proxy:
    Installed: 1.13.1-0ubuntu1
    Candidate: 1.13.1-0ubuntu1
  
  The swift-proxy service fails to start.
  
  Contents of /var/log/upstart/swift-proxy.log:
  
  Starting proxy-server...(/etc/swift/proxy-server.conf)
  Traceback (most recent call last):
    File "/usr/bin/swift-proxy-server", line 23, in <module>
      sys.exit(run_wsgi(conf_file, 'proxy-server', default_port=8080, 
**options))
    File "/usr/lib/python2.7/dist-packages/swift/common/wsgi.py", line 389, in 
run_wsgi
      loadapp(conf_path, global_conf=global_conf)
    File "/usr/lib/python2.7/dist-packages/swift/common/wsgi.py", line 316, in 
loadapp
      ctx = loadcontext(loadwsgi.APP, conf_file, global_conf=global_conf)
    File "/usr/lib/python2.7/dist-packages/swift/common/wsgi.py", line 307, in 
loadcontext
      global_conf=global_conf)
    File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 296, 
in loadcontext
      global_conf=global_conf)
    File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 320, 
in _loadconfig
      return loader.get_context(object_type, name, global_conf)
    File "/usr/lib/python2.7/dist-packages/swift/common/wsgi.py", line 59, in 
get_context
      object_type, name=name, global_conf=global_conf)
    File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 450, 
in get_context
      global_additions=global_additions)
    File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 562, 
in _pipeline_app_context
      for name in pipeline[:-1]]
    File "/usr/lib/python2.7/dist-packages/swift/common/wsgi.py", line 59, in 
get_context
      object_type, name=name, global_conf=global_conf)
    File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 454, 
in get_context
      section)
    File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 476, 
in _context_from_use
      object_type, name=use, global_conf=global_conf)
    File "/usr/lib/python2.7/dist-packages/swift/common/wsgi.py", line 59, in 
get_context
      object_type, name=name, global_conf=global_conf)
    File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 406, 
in get_context
      global_conf=global_conf)
    File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 296, 
in loadcontext
      global_conf=global_conf)
    File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 328, 
in _loadegg
      return loader.get_context(object_type, name, global_conf)
    File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 620, 
in get_context
      object_type, name=name)
    File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 640, 
in find_egg_entry_point
      pkg_resources.require(self.spec)
    File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 725, in 
require
      needed = self.resolve(parse_requirements(requirements))
    File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 632, in 
resolve
      raise VersionConflict(dist,req) # XXX put more info here
  pkg_resources.VersionConflict: (pecan 0.3.0 
(/usr/lib/python2.7/dist-packages), Requirement.parse('pecan>=0.4.5'))

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https://bugs.launchpad.net/bugs/1317147

Title:
  [SRU] swift-proxy needs python-pecan >=0.4.5, but 0.3.0 is present
  when used with ceilometer

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