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[Cyril Roelandt <1177365@xxxxxxxxxxxxxxxxxx>]

We are no longer using JSON policy files, so I'll close this.

** Changed in: glance
       Status: Confirmed => Won't Fix

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https://bugs.launchpad.net/bugs/1177365

Title:
  Non-JSON policy file causing failure to load policy

Status in Glance:
  Won't Fix

Bug description:
  If the file /etc/glance/policy.json is not valid JSON data an
  unhandled exception is raised by the JSON decoder.

  $ glance image-list
  Request returned failure status.
  Traceback (most recent call last):
    File "/usr/local/lib/python2.7/dist-packages/eventlet/wsgi.py", line 383, in handle_one_response
      result = self.application(self.environ, start_response)
    File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 130, in __call__
      resp = self.call_func(req, *args, **self.kwargs)
    File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 195, in call_func
      return self.func(req, *args, **kwargs)
    File "/opt/stack/glance/glance/common/wsgi.py", line 367, in __call__
      response = req.get_response(self.application)
    File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1296, in send
      application, catch_exc_info=False)
    File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1260, in call_application
      app_iter = application(self.environ, start_response)
    File "/opt/stack/python-keystoneclient/keystoneclient/middleware/auth_token.py", line 451, in __call__
      return self.app(env, start_response)
    File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 130, in __call__
      resp = self.call_func(req, *args, **self.kwargs)
    File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 195, in call_func
      return self.func(req, *args, **kwargs)
    File "/opt/stack/glance/glance/common/wsgi.py", line 364, in __call__
      response = self.process_request(req)
    File "/opt/stack/glance/glance/api/middleware/context.py", line 79, in process_request
      req.context = self._get_authenticated_context(req)
    File "/opt/stack/glance/glance/api/middleware/context.py", line 125, in _get_authenticated_context
      return glance.context.RequestContext(**kwargs)
    File "/opt/stack/glance/glance/context.py", line 46, in __init__
      self.policy_enforcer.check_is_admin(self)
    File "/opt/stack/glance/glance/api/policy.py", line 155, in check_is_admin
      return self.check(context, 'context_is_admin', target)
    File "/opt/stack/glance/glance/api/policy.py", line 145, in check
      return self._check(context, action, target)
    File "/opt/stack/glance/glance/api/policy.py", line 115, in _check
      self.load_rules()
    File "/opt/stack/glance/glance/api/policy.py", line 67, in load_rules
      rules = self._read_policy_file()
    File "/opt/stack/glance/glance/api/policy.py", line 99, in _read_policy_file
      rules_dict = json.loads(raw_contents)
    File "/usr/lib/python2.7/json/__init__.py", line 326, in loads
      return _default_decoder.decode(s)
    File "/usr/lib/python2.7/json/decoder.py", line 366, in decode
      obj, end = self.raw_decode(s, idx=_w(s, 0).end())
    File "/usr/lib/python2.7/json/decoder.py", line 384, in raw_decode
      raise ValueError("No JSON object could be decoded")
  ValueError: No JSON object could be decoded
   (HTTP 500)

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