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[Bug 1804174] [NEW] horizon fails if the policy file is not found

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: sumitjami <1804174@xxxxxxxxxxxxxxxxxx>
Date: Tue, 20 Nov 2018 09:08:21 -0000
Reply-to: Bug 1804174 <1804174@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

Internal Server Error: /project/
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/django/core/handlers/exception.py", line 41, in inner
    response = get_response(request)
  File "/usr/lib/python2.7/site-packages/django/core/handlers/base.py", line 217, in _get_response
    response = self.process_exception_by_middleware(e, request)
  File "/usr/lib/python2.7/site-packages/django/core/handlers/base.py", line 215, in _get_response
    response = response.render()
  File "/usr/lib/python2.7/site-packages/django/template/response.py", line 107, in render
    self.content = self.rendered_content
  File "/usr/lib/python2.7/site-packages/django/template/response.py", line 84, in rendered_content
    content = template.render(context, self._request)
  File "/usr/lib/python2.7/site-packages/django/template/backends/django.py", line 66, in render
    return self.template.render(context)
  File "/usr/lib/python2.7/site-packages/django/template/base.py", line 207, in render
    return self._render(context)
  File "/usr/lib/python2.7/site-packages/django/template/base.py", line 199, in _render
    return self.nodelist.render(context)
  File "/usr/lib/python2.7/site-packages/django/template/base.py", line 990, in render
    bit = node.render_annotated(context)
  File "/usr/lib/python2.7/site-packages/django/template/base.py", line 957, in render_annotated
    return self.render(context)
  File "/usr/lib/python2.7/site-packages/django/template/loader_tags.py", line 177, in render
    return compiled_parent._render(context)
  File "/usr/lib/python2.7/site-packages/django/template/base.py", line 199, in _render
    return self.nodelist.render(context)
  File "/usr/lib/python2.7/site-packages/django/template/base.py", line 990, in render
    bit = node.render_annotated(context)
  File "/usr/lib/python2.7/site-packages/django/template/base.py", line 957, in render_annotated
    return self.render(context)
  File "/usr/lib/python2.7/site-packages/django/template/loader_tags.py", line 72, in render
    result = block.nodelist.render(context)
  File "/usr/lib/python2.7/site-packages/django/template/base.py", line 990, in render
    bit = node.render_annotated(context)
  File "/usr/lib/python2.7/site-packages/django/template/base.py", line 957, in render_annotated
    return self.render(context)
  File "/usr/lib/python2.7/site-packages/django/template/loader_tags.py", line 72, in render
    result = block.nodelist.render(context)
  File "/usr/lib/python2.7/site-packages/django/template/base.py", line 990, in render
    bit = node.render_annotated(context)
  File "/usr/lib/python2.7/site-packages/django/template/base.py", line 957, in render_annotated
    return self.render(context)
  File "/usr/lib/python2.7/site-packages/django/template/loader_tags.py", line 216, in render
    return template.render(context)
  File "/usr/lib/python2.7/site-packages/django/template/base.py", line 209, in render
    return self._render(context)
  File "/usr/lib/python2.7/site-packages/django/template/base.py", line 199, in _render
    return self.nodelist.render(context)
  File "/usr/lib/python2.7/site-packages/django/template/base.py", line 990, in render
    bit = node.render_annotated(context)
  File "/usr/lib/python2.7/site-packages/django/template/base.py", line 957, in render_annotated
    return self.render(context)
  File "/usr/lib/python2.7/site-packages/django/template/library.py", line 225, in render
    _dict = self.func(*resolved_args, **resolved_kwargs)
  File "/usr/lib/python2.7/site-packages/horizon/templatetags/horizon.py", line 74, in horizon_nav
    panel.can_access(context)):
  File "/usr/lib/python2.7/site-packages/horizon/base.py", line 149, in can_access
    return self.allowed(context)
  File "/usr/lib/python2.7/site-packages/horizon/base.py", line 158, in allowed
    return self._can_access(context['request'])
  File "/usr/lib/python2.7/site-packages/horizon/base.py", line 170, in _can_access
    if policy_check(rule_param, request):
  File "/usr/lib/python2.7/site-packages/openstack_auth/policy.py", line 155, in check
    enforcer = _get_enforcer()
  File "/usr/lib/python2.7/site-packages/openstack_auth/policy.py", line 64, in _get_enforcer
    if os.path.isfile(enforcer.policy_path):
  File "/usr/lib64/python2.7/genericpath.py", line 37, in isfile
    st = os.stat(path)
TypeError: coercing to Unicode: need string or buffer, NoneType found
Internal Server Error: /project/


oslo_policy.policy_file can be None which causes this problem

** Affects: horizon
     Importance: Undecided
     Assignee: sumitjami (sumitjami)
         Status: In Progress

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https://bugs.launchpad.net/bugs/1804174

Title:
  horizon fails if the policy file is not found

Status in OpenStack Dashboard (Horizon):
  In Progress

Bug description:
  Internal Server Error: /project/
  Traceback (most recent call last):
    File "/usr/lib/python2.7/site-packages/django/core/handlers/exception.py", line 41, in inner
      response = get_response(request)
    File "/usr/lib/python2.7/site-packages/django/core/handlers/base.py", line 217, in _get_response
      response = self.process_exception_by_middleware(e, request)
    File "/usr/lib/python2.7/site-packages/django/core/handlers/base.py", line 215, in _get_response
      response = response.render()
    File "/usr/lib/python2.7/site-packages/django/template/response.py", line 107, in render
      self.content = self.rendered_content
    File "/usr/lib/python2.7/site-packages/django/template/response.py", line 84, in rendered_content
      content = template.render(context, self._request)
    File "/usr/lib/python2.7/site-packages/django/template/backends/django.py", line 66, in render
      return self.template.render(context)
    File "/usr/lib/python2.7/site-packages/django/template/base.py", line 207, in render
      return self._render(context)
    File "/usr/lib/python2.7/site-packages/django/template/base.py", line 199, in _render
      return self.nodelist.render(context)
    File "/usr/lib/python2.7/site-packages/django/template/base.py", line 990, in render
      bit = node.render_annotated(context)
    File "/usr/lib/python2.7/site-packages/django/template/base.py", line 957, in render_annotated
      return self.render(context)
    File "/usr/lib/python2.7/site-packages/django/template/loader_tags.py", line 177, in render
      return compiled_parent._render(context)
    File "/usr/lib/python2.7/site-packages/django/template/base.py", line 199, in _render
      return self.nodelist.render(context)
    File "/usr/lib/python2.7/site-packages/django/template/base.py", line 990, in render
      bit = node.render_annotated(context)
    File "/usr/lib/python2.7/site-packages/django/template/base.py", line 957, in render_annotated
      return self.render(context)
    File "/usr/lib/python2.7/site-packages/django/template/loader_tags.py", line 72, in render
      result = block.nodelist.render(context)
    File "/usr/lib/python2.7/site-packages/django/template/base.py", line 990, in render
      bit = node.render_annotated(context)
    File "/usr/lib/python2.7/site-packages/django/template/base.py", line 957, in render_annotated
      return self.render(context)
    File "/usr/lib/python2.7/site-packages/django/template/loader_tags.py", line 72, in render
      result = block.nodelist.render(context)
    File "/usr/lib/python2.7/site-packages/django/template/base.py", line 990, in render
      bit = node.render_annotated(context)
    File "/usr/lib/python2.7/site-packages/django/template/base.py", line 957, in render_annotated
      return self.render(context)
    File "/usr/lib/python2.7/site-packages/django/template/loader_tags.py", line 216, in render
      return template.render(context)
    File "/usr/lib/python2.7/site-packages/django/template/base.py", line 209, in render
      return self._render(context)
    File "/usr/lib/python2.7/site-packages/django/template/base.py", line 199, in _render
      return self.nodelist.render(context)
    File "/usr/lib/python2.7/site-packages/django/template/base.py", line 990, in render
      bit = node.render_annotated(context)
    File "/usr/lib/python2.7/site-packages/django/template/base.py", line 957, in render_annotated
      return self.render(context)
    File "/usr/lib/python2.7/site-packages/django/template/library.py", line 225, in render
      _dict = self.func(*resolved_args, **resolved_kwargs)
    File "/usr/lib/python2.7/site-packages/horizon/templatetags/horizon.py", line 74, in horizon_nav
      panel.can_access(context)):
    File "/usr/lib/python2.7/site-packages/horizon/base.py", line 149, in can_access
      return self.allowed(context)
    File "/usr/lib/python2.7/site-packages/horizon/base.py", line 158, in allowed
      return self._can_access(context['request'])
    File "/usr/lib/python2.7/site-packages/horizon/base.py", line 170, in _can_access
      if policy_check(rule_param, request):
    File "/usr/lib/python2.7/site-packages/openstack_auth/policy.py", line 155, in check
      enforcer = _get_enforcer()
    File "/usr/lib/python2.7/site-packages/openstack_auth/policy.py", line 64, in _get_enforcer
      if os.path.isfile(enforcer.policy_path):
    File "/usr/lib64/python2.7/genericpath.py", line 37, in isfile
      st = os.stat(path)
  TypeError: coercing to Unicode: need string or buffer, NoneType found
  Internal Server Error: /project/


  oslo_policy.policy_file can be None which causes this problem

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Follow ups

[Bug 1804174] Re: horizon fails if the policy file is not found
From: OpenStack Infra, 2018-12-22