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[wanghao <wanghao749@xxxxxxxxxx>]

Public bug reported:

When suspend vm with sriov nic, a "None type" error will be throw and
the suspend failed.

there is error log:

-------------------------------------------------------------------------------------------------------------------------------------------------------
2015-01-22T11:42:32+00:00 localhost nova-compute ERROR [pid:19338] [GreenThread-9] [dispatcher.py:146 _dispatch_and_reply] Exception during message handling: 'NoneType' object has no attribute 'encode' Traceback (most recent call last):   File "/usr/lib64/python2.6/site-packages/oslo/messaging/rpc/dispatcher.py", line 137, in _dispatch_and_reply     incoming.message))   File "/usr/lib64/python2.6/site-packages/oslo/messaging/rpc/dispatcher.py", line 180, in _dispatch     return self._do_dispatch(endpoint, method, ctxt, args)   File "/usr/lib64/python2.6/site-packages/oslo/messaging/rpc/dispatcher.py", line 126, in _do_dispatch     result = getattr(endpoint, method)(ctxt, **new_args)   File "/usr/lib64/python2.6/site-packages/nova/exception.py", line 88, in wrapped     payload)   File "/usr/lib64/python2.6/site-packages/nova/openstack/common/excutils.py", line 82, in __exit__     six.reraise(self.type_, self.value, self.tb)   File "/usr/lib64/python2.6/site-packages/nova/exception.py", line 71, in wrapped     return f(self, context, *args, **kw)   File "/usr/lib64/python2.6/site-packages/nova/compute/manager.py", line 298, in decorated_function     pass   File "/usr/lib64/python2.6/site-packages/nova/openstack/common/excutils.py", line 82, in __exit__     six.reraise(self.type_, self.value, self.tb)   File "/usr/lib64/python2.6/site-packages/nova/compute/manager.py", line 284, in decorated_function     return function(self, context, *args, **kwargs)   File "/usr/lib64/python2.6/site-packages/nova/compute/manager.py", line 348, in decorated_function     return function(self, context, *args, **kwargs)   File "/usr/lib64/python2.6/site-packages/nova/compute/manager.py", line 326, in decorated_function     kwargs['instance'], e, sys.exc_info())   File "/usr/lib64/python2.6/site-packages/nova/openstack/common/excutils.py", line 82, in __exit__     six.reraise(self.type_, self.value, self.tb)   File "/usr/lib64/python2.6/site-packages/nova/compute/manager.py", line 314, in decorated_function     return function(self, context, *args, **kwargs)   File "/usr/lib64/python2.6/site-packages/nova/compute/manager.py", line 4100, in suspend_instance     self.driver.suspend(instance)   File "/usr/lib64/python2.6/site-packages/nova/virt/libvirt/driver.py", line 2507, in suspend     self._detach_sriov_ports(instance, dom)   File "/usr/lib64/python2.6/site-packages/nova/virt/libvirt/driver.py", line 3249, in _detach_sriov_ports     instance)   File "/usr/lib64/python2.6/site-packages/nova/virt/libvirt/driver.py", line 3201, in _prepare_args_for_get_config     context, self._image_api, image_ref, instance)   File "/usr/lib64/python2.6/site-packages/nova/compute/utils.py", line 201, in get_image_metadata     image = image_api.get(context, image_id_or_uri)   File "/usr/lib64/python2.6/site-packages/nova/image/api.py", line 89, in get     include_locations=include_locations)   File "/usr/lib64/python2.6/site-packages/nova/image/glance.py", line 312, in show     _reraise_translated_image_exception(image_id)   File "/usr/lib64/python2.6/site-packages/nova/image/glance.py", line 310, in show     image = self._client.call(context, version, 'get', image_id)   File "/usr/lib64/python2.6/site-packages/nova/image/glance.py", line 233, in call     return getattr(client.images, method)(*args, **kwargs)   File "/usr/lib64/python2.6/site-packages/glanceclient/v1/images.py", line 127, in get     % urlparse.quote(str(image_id)))   File "/usr/lib64/python2.6/site-packages/glanceclient/common/http.py", line 250, in head     return self._request('HEAD', url, **kwargs)   File "/usr/lib64/python2.6/site-packages/glanceclient/common/http.py", line 194, in _request     self.log_curl_request(method, conn_url, headers, data, kwargs)   File "/usr/lib64/python2.6/site-packages/glanceclient/common/http.py", line 101, in log_curl_request     header = '-H \'%s: %s\'' % safe_header(key, value)   File "/usr/lib64/python2.6/site-packages/glanceclient/common/utils.py", line 394, in safe_header     v = value.encode('utf-8') AttributeError: 'NoneType' object has no attribute 'encode'
-------------------------------------------------------------------------------------------------------------------------------------------------------

The reason of failed is auth_token is none which created by "context =
nova_context.get_admin_context()" in libvirt function
"_detach_sriov_ports". It will cause the "None type" error when get the
glance image info.

Like this bug: "https://bugs.launchpad.net/nova/+bug/1408865";, but arise
at different placement.

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1413855

Title:
  "None type" object  error when suspend vm with sriov nic

Status in OpenStack Compute (Nova):
  New

Bug description:
  When suspend vm with sriov nic, a "None type" error will be throw and
  the suspend failed.

  there is error log:

  -------------------------------------------------------------------------------------------------------------------------------------------------------
  2015-01-22T11:42:32+00:00 localhost nova-compute ERROR [pid:19338] [GreenThread-9] [dispatcher.py:146 _dispatch_and_reply] Exception during message handling: 'NoneType' object has no attribute 'encode' Traceback (most recent call last):   File "/usr/lib64/python2.6/site-packages/oslo/messaging/rpc/dispatcher.py", line 137, in _dispatch_and_reply     incoming.message))   File "/usr/lib64/python2.6/site-packages/oslo/messaging/rpc/dispatcher.py", line 180, in _dispatch     return self._do_dispatch(endpoint, method, ctxt, args)   File "/usr/lib64/python2.6/site-packages/oslo/messaging/rpc/dispatcher.py", line 126, in _do_dispatch     result = getattr(endpoint, method)(ctxt, **new_args)   File "/usr/lib64/python2.6/site-packages/nova/exception.py", line 88, in wrapped     payload)   File "/usr/lib64/python2.6/site-packages/nova/openstack/common/excutils.py", line 82, in __exit__     six.reraise(self.type_, self.value, self.tb)   File "/usr/lib64/python2.6/site-packages/nova/exception.py", line 71, in wrapped     return f(self, context, *args, **kw)   File "/usr/lib64/python2.6/site-packages/nova/compute/manager.py", line 298, in decorated_function     pass   File "/usr/lib64/python2.6/site-packages/nova/openstack/common/excutils.py", line 82, in __exit__     six.reraise(self.type_, self.value, self.tb)   File "/usr/lib64/python2.6/site-packages/nova/compute/manager.py", line 284, in decorated_function     return function(self, context, *args, **kwargs)   File "/usr/lib64/python2.6/site-packages/nova/compute/manager.py", line 348, in decorated_function     return function(self, context, *args, **kwargs)   File "/usr/lib64/python2.6/site-packages/nova/compute/manager.py", line 326, in decorated_function     kwargs['instance'], e, sys.exc_info())   File "/usr/lib64/python2.6/site-packages/nova/openstack/common/excutils.py", line 82, in __exit__     six.reraise(self.type_, self.value, self.tb)   File "/usr/lib64/python2.6/site-packages/nova/compute/manager.py", line 314, in decorated_function     return function(self, context, *args, **kwargs)   File "/usr/lib64/python2.6/site-packages/nova/compute/manager.py", line 4100, in suspend_instance     self.driver.suspend(instance)   File "/usr/lib64/python2.6/site-packages/nova/virt/libvirt/driver.py", line 2507, in suspend     self._detach_sriov_ports(instance, dom)   File "/usr/lib64/python2.6/site-packages/nova/virt/libvirt/driver.py", line 3249, in _detach_sriov_ports     instance)   File "/usr/lib64/python2.6/site-packages/nova/virt/libvirt/driver.py", line 3201, in _prepare_args_for_get_config     context, self._image_api, image_ref, instance)   File "/usr/lib64/python2.6/site-packages/nova/compute/utils.py", line 201, in get_image_metadata     image = image_api.get(context, image_id_or_uri)   File "/usr/lib64/python2.6/site-packages/nova/image/api.py", line 89, in get     include_locations=include_locations)   File "/usr/lib64/python2.6/site-packages/nova/image/glance.py", line 312, in show     _reraise_translated_image_exception(image_id)   File "/usr/lib64/python2.6/site-packages/nova/image/glance.py", line 310, in show     image = self._client.call(context, version, 'get', image_id)   File "/usr/lib64/python2.6/site-packages/nova/image/glance.py", line 233, in call     return getattr(client.images, method)(*args, **kwargs)   File "/usr/lib64/python2.6/site-packages/glanceclient/v1/images.py", line 127, in get     % urlparse.quote(str(image_id)))   File "/usr/lib64/python2.6/site-packages/glanceclient/common/http.py", line 250, in head     return self._request('HEAD', url, **kwargs)   File "/usr/lib64/python2.6/site-packages/glanceclient/common/http.py", line 194, in _request     self.log_curl_request(method, conn_url, headers, data, kwargs)   File "/usr/lib64/python2.6/site-packages/glanceclient/common/http.py", line 101, in log_curl_request     header = '-H \'%s: %s\'' % safe_header(key, value)   File "/usr/lib64/python2.6/site-packages/glanceclient/common/utils.py", line 394, in safe_header     v = value.encode('utf-8') AttributeError: 'NoneType' object has no attribute 'encode'
  -------------------------------------------------------------------------------------------------------------------------------------------------------

  The reason of failed is auth_token is none which created by "context =
  nova_context.get_admin_context()" in libvirt function
  "_detach_sriov_ports". It will cause the "None type" error when get
  the glance image info.

  Like this bug: "https://bugs.launchpad.net/nova/+bug/1408865";, but
  arise at different placement.

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