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[Bug 1324091] [NEW] ec2 metadata request fails with: AttributeError: 'NoneType' object has no attribute 'instance'

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Public bug reported:

I see the following traceback in nova-api log:

2014-04-22 17:56:40.228 5004 ERROR nova.api.metadata.handler [-] Failed to get metadata for instance id: 9ac5c1ae-c481-4a3e-8b36-a567b146c42f
2014-04-22 17:56:40.229 5004 ERROR nova.api.ec2 [-] FaultWrapper: 'NoneType' object has no attribute 'instance'
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2 Traceback (most recent call last):
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/nova/api/ec2/__init__.py", line 87, in __call__
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     return req.get_response(self.application)
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/request.py", line 1296, in send
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     application, catch_exc_info=False)
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/request.py", line 1260, in call_application
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     app_iter = application(self.environ, start_response)
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/dec.py", line 130, in __call__
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     resp = self.call_func(req, *args, **self.kwargs)
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/dec.py", line 195, in call_func
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     return self.func(req, *args, **kwargs)
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/nova/api/ec2/__init__.py", line 99, in __call__
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     rv = req.get_response(self.application)
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/request.py", line 1296, in send
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     application, catch_exc_info=False)
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/request.py", line 1260, in call_application
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     app_iter = application(self.environ, start_response)
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/dec.py", line 130, in __call__
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     resp = self.call_func(req, *args, **self.kwargs)
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/dec.py", line 195, in call_func
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     return self.func(req, *args, **kwargs)
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/nova/api/metadata/handler.py", line 107, in __call__
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     meta_data = self._handle_instance_id_request(req)
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/nova/api/metadata/handler.py", line 203, in _handle_instance_id_request
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     if meta_data.instance['project_id'] != tenant_id:
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2 AttributeError: 'NoneType' object has no attribute 'instance'
2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1324091

Title:
  ec2 metadata request fails with: AttributeError: 'NoneType' object has
  no attribute 'instance'

Status in OpenStack Compute (Nova):
  New

Bug description:
  I see the following traceback in nova-api log:

  2014-04-22 17:56:40.228 5004 ERROR nova.api.metadata.handler [-] Failed to get metadata for instance id: 9ac5c1ae-c481-4a3e-8b36-a567b146c42f
  2014-04-22 17:56:40.229 5004 ERROR nova.api.ec2 [-] FaultWrapper: 'NoneType' object has no attribute 'instance'
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2 Traceback (most recent call last):
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/nova/api/ec2/__init__.py", line 87, in __call__
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     return req.get_response(self.application)
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/request.py", line 1296, in send
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     application, catch_exc_info=False)
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/request.py", line 1260, in call_application
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     app_iter = application(self.environ, start_response)
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/dec.py", line 130, in __call__
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     resp = self.call_func(req, *args, **self.kwargs)
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/dec.py", line 195, in call_func
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     return self.func(req, *args, **kwargs)
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/nova/api/ec2/__init__.py", line 99, in __call__
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     rv = req.get_response(self.application)
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/request.py", line 1296, in send
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     application, catch_exc_info=False)
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/request.py", line 1260, in call_application
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     app_iter = application(self.environ, start_response)
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/dec.py", line 130, in __call__
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     resp = self.call_func(req, *args, **self.kwargs)
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/dec.py", line 195, in call_func
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     return self.func(req, *args, **kwargs)
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/nova/api/metadata/handler.py", line 107, in __call__
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     meta_data = self._handle_instance_id_request(req)
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2   File "/usr/lib/python2.6/site-packages/nova/api/metadata/handler.py", line 203, in _handle_instance_id_request
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2     if meta_data.instance['project_id'] != tenant_id:
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2 AttributeError: 'NoneType' object has no attribute 'instance'
  2014-04-22 17:56:40.229 5004 TRACE nova.api.ec2

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