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[Bug 1765293] [NEW] NotImplementedError: Cannot load 'networks' in the base class

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: changzhi <changzhi@xxxxxxxxxxxxxxx>
Date: Thu, 19 Apr 2018 06:15:25 -0000
Reply-to: Bug 1765293 <1765293@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

Description
============
Error happens when I created a vm. And the command I used was :
$ [root@node-2 ~]# nova boot --image e6b41646-823b-4692-8415-a979e28ca3fd --flavor 7 --nic net-id=528fd684-dbb5-4264-81ef-65490966168b vm                                     
ERROR (ClientException): Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
<type 'exceptions.NotImplementedError'> (HTTP 500) (Request-ID: req-b0204cad-3205-4efb-baf9-2cc11915a392)

Environment
=============
My environment shows below:

[root@node-2 ~]# rpm -qa|grep nova
openstack-nova-novncproxy-13.0.0-4.0.0.el7.centos.noarch
openstack-nova-scheduler-13.0.0-4.0.0.el7.centos.noarch
openstack-nova-console-13.0.0-4.0.0.el7.centos.noarch
openstack-nova-conductor-13.0.0-4.0.0.el7.centos.noarch
python2-novaclient-3.3.2-4.0.0.el7.centos.noarch
python-nova-13.0.0-4.0.0.el7.centos.noarch
openstack-nova-common-13.0.0-4.0.0.el7.centos.noarch
openstack-nova-api-13.0.0-4.0.0.el7.centos.noarch

And the error message shows below:

    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions [req-cd7d75d1-c244-4caa-99cd-66a333bb03cc 027fe9c126f14faab303868cecb38d8a     d86ef3b239ab4253a38d5dbdb7cbeb43 - - -] Unexpected exception in API method
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions Traceback (most recent call last):
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/api/openstack/extensions.py", line 478, in wrapped
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/api/validation/__init__.py", line 73, in wrapper
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/api/validation/__init__.py", line 73, in wrapper
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/api/validation/__init__.py", line 73, in wrapper
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/api/openstack/compute/servers.py", line 678, in create
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/hooks.py", line 154, in inner
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/compute/api.py", line 1012, in create
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions     return self._create_instance(context, instance_type, image_href, kernel_id, ramdisk_id,     min_count, max_count, display_name, display_description, key_name, key_data, security_group, availability_zone, user_data, metadata, injected_files, admin_password,     access_ip_v4, access_ip_v6, requested_networks, config_drive, block_device_mapping, auto_disk_config, filter_properties=filter_properties, legacy_bdm=legacy_bdm,     shutdown_terminate=shutdown_terminate, check_server_group_quota=check_server_group_quota)
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/compute/api.py", line 770, in _create_instance
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions     instances = self._provision_instances(context, instance_type, min_count, max_count,     base_options, boot_meta, security_groups, block_device_mapping, shutdown_terminate, instance_group, check_server_group_quota, filter_properties)
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/compute/api.py", line 685, in _provision_instances
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions     quotas.rollback()
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions     self.force_reraise()
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions     six.reraise(self.type_, self.value, self.tb)
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/compute/api.py", line 654, in _provision_instances
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions     req_spec.create()
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/oslo_versionedobjects/base.py", line 223, in wrapper
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions     return fn(self, *args, **kwargs)
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/objects/request_spec.py", line 437, in create
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/objects/request_spec.py", line 382, in _from_db_object
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/oslo_versionedobjects/base.py", line 67, in getter
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions     self.obj_load_attr(name)
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/oslo_versionedobjects/base.py", line 580, in obj_load_attr
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions     _("Cannot load '%s' in the base class") % attrname)
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions NotImplementedError: Cannot load 'networks' in the base class
    2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions
    2018-04-20 01:15:53.739 1223418 INFO nova.api.openstack.wsgi [req-cd7d75d1-c244-4caa-99cd-66a333bb03cc 027fe9c126f14faab303868cecb38d8a     d86ef3b239ab4253a38d5dbdb7cbeb43 - - -] HTTP exception thrown: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log     if possible.
    <type 'exceptions.NotImplementedError'>


Did someone meet the similar problem like me?

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1765293

Title:
  NotImplementedError: Cannot load 'networks' in the base class

Status in OpenStack Compute (nova):
  New

Bug description:
  Description
  ============
  Error happens when I created a vm. And the command I used was :
  $ [root@node-2 ~]# nova boot --image e6b41646-823b-4692-8415-a979e28ca3fd --flavor 7 --nic net-id=528fd684-dbb5-4264-81ef-65490966168b vm                                     
  ERROR (ClientException): Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
  <type 'exceptions.NotImplementedError'> (HTTP 500) (Request-ID: req-b0204cad-3205-4efb-baf9-2cc11915a392)

  Environment
  =============
  My environment shows below:

  [root@node-2 ~]# rpm -qa|grep nova
  openstack-nova-novncproxy-13.0.0-4.0.0.el7.centos.noarch
  openstack-nova-scheduler-13.0.0-4.0.0.el7.centos.noarch
  openstack-nova-console-13.0.0-4.0.0.el7.centos.noarch
  openstack-nova-conductor-13.0.0-4.0.0.el7.centos.noarch
  python2-novaclient-3.3.2-4.0.0.el7.centos.noarch
  python-nova-13.0.0-4.0.0.el7.centos.noarch
  openstack-nova-common-13.0.0-4.0.0.el7.centos.noarch
  openstack-nova-api-13.0.0-4.0.0.el7.centos.noarch

  And the error message shows below:

      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions [req-cd7d75d1-c244-4caa-99cd-66a333bb03cc 027fe9c126f14faab303868cecb38d8a     d86ef3b239ab4253a38d5dbdb7cbeb43 - - -] Unexpected exception in API method
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions Traceback (most recent call last):
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/api/openstack/extensions.py", line 478, in wrapped
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/api/validation/__init__.py", line 73, in wrapper
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/api/validation/__init__.py", line 73, in wrapper
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/api/validation/__init__.py", line 73, in wrapper
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/api/openstack/compute/servers.py", line 678, in create
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/hooks.py", line 154, in inner
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/compute/api.py", line 1012, in create
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions     return self._create_instance(context, instance_type, image_href, kernel_id, ramdisk_id,     min_count, max_count, display_name, display_description, key_name, key_data, security_group, availability_zone, user_data, metadata, injected_files, admin_password,     access_ip_v4, access_ip_v6, requested_networks, config_drive, block_device_mapping, auto_disk_config, filter_properties=filter_properties, legacy_bdm=legacy_bdm,     shutdown_terminate=shutdown_terminate, check_server_group_quota=check_server_group_quota)
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/compute/api.py", line 770, in _create_instance
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions     instances = self._provision_instances(context, instance_type, min_count, max_count,     base_options, boot_meta, security_groups, block_device_mapping, shutdown_terminate, instance_group, check_server_group_quota, filter_properties)
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/compute/api.py", line 685, in _provision_instances
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions     quotas.rollback()
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions     self.force_reraise()
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions     six.reraise(self.type_, self.value, self.tb)
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/compute/api.py", line 654, in _provision_instances
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions     req_spec.create()
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/oslo_versionedobjects/base.py", line 223, in wrapper
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions     return fn(self, *args, **kwargs)
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/objects/request_spec.py", line 437, in create
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/nova/objects/request_spec.py", line 382, in _from_db_object
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/oslo_versionedobjects/base.py", line 67, in getter
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions     self.obj_load_attr(name)
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/site-packages/oslo_versionedobjects/base.py", line 580, in obj_load_attr
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions     _("Cannot load '%s' in the base class") % attrname)
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions NotImplementedError: Cannot load 'networks' in the base class
      2018-04-20 01:15:53.736 1223418 ERROR nova.api.openstack.extensions
      2018-04-20 01:15:53.739 1223418 INFO nova.api.openstack.wsgi [req-cd7d75d1-c244-4caa-99cd-66a333bb03cc 027fe9c126f14faab303868cecb38d8a     d86ef3b239ab4253a38d5dbdb7cbeb43 - - -] HTTP exception thrown: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log     if possible.
      <type 'exceptions.NotImplementedError'>

  
  Did someone meet the similar problem like me?

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Follow ups

[Bug 1765293] Re: NotImplementedError: Cannot load 'networks' in the base class
From: Matt Riedemann, 2018-04-19