The object is unhashable when inheriting the class ComparableVersionedObject

[Guoshuai Li]

In python3.5, The Port object List conver to set is error:

2017-04-28 06:58:02.967886 | 2017-04-28 06:58:02.967 | Captured pythonlogging:
2017-04-28 06:58:02.970360 | 2017-04-28 06:58:02.969 | ~~~~~~~~~~~~~~~~~~~~~~~
2017-04-28 06:58:02.972859 | 2017-04-28 06:58:02.972 | b' ERROR [neutron.api.v2.resource] update failed: No details.'
2017-04-28 06:58:02.975292 | 2017-04-28 06:58:02.974 | b'Traceback (most recent call last):'
2017-04-28 06:58:02.977856 | 2017-04-28 06:58:02.977 | b' File "/opt/stack/new/neutron/neutron/api/v2/resource.py", line 79, in resource'
2017-04-28 06:58:02.980193 | 2017-04-28 06:58:02.979 | b' result = method(request=request, **args)'
2017-04-28 06:58:02.982602 | 2017-04-28 06:58:02.982 | b' File "/opt/stack/new/neutron/neutron/api/v2/base.py", line 615, in update'
2017-04-28 06:58:02.985211 | 2017-04-28 06:58:02.984 | b' return self._update(request, id, body, **kwargs)'
2017-04-28 06:58:02.987729 | 2017-04-28 06:58:02.987 | b' File "/opt/stack/new/neutron/neutron/db/api.py", line 94, in wrapped'
2017-04-28 06:58:02.990103 | 2017-04-28 06:58:02.989 | b" setattr(e, '_RETRY_EXCEEDED', True)"
2017-04-28 06:58:02.992836 | 2017-04-28 06:58:02.992 | b' File "/opt/stack/new/networking-ovn/.tox/dsvm-functional-py35/lib/python3.5/site-packages/oslo_utils/excutils.py", line 220, in __exit__'
2017-04-28 06:58:02.995602 | 2017-04-28 06:58:02.995 | b' self.force_reraise()'
2017-04-28 06:58:02.998386 | 2017-04-28 06:58:02.997 | b' File "/opt/stack/new/networking-ovn/.tox/dsvm-functional-py35/lib/python3.5/site-packages/oslo_utils/excutils.py", line 196, in force_reraise'
2017-04-28 06:58:03.001007 | 2017-04-28 06:58:03.000 | b' six.reraise(self.type_, self.value, self.tb)'
2017-04-28 06:58:03.003458 | 2017-04-28 06:58:03.002 | b' File "/opt/stack/new/networking-ovn/.tox/dsvm-functional-py35/lib/python3.5/site-packages/six.py", line 686, in reraise'
2017-04-28 06:58:03.005995 | 2017-04-28 06:58:03.005 | b' raise value'
2017-04-28 06:58:03.008581 | 2017-04-28 06:58:03.008 | b' File "/opt/stack/new/neutron/neutron/db/api.py", line 90, in wrapped'
2017-04-28 06:58:03.011076 | 2017-04-28 06:58:03.010 | b' return f(*args, **kwargs)'
2017-04-28 06:58:03.013534 | 2017-04-28 06:58:03.013 | b' File "/opt/stack/new/networking-ovn/.tox/dsvm-functional-py35/lib/python3.5/site-packages/oslo_db/api.py", line 150, in wrapper'
2017-04-28 06:58:03.016253 | 2017-04-28 06:58:03.015 | b' ectxt.value = e.inner_exc'
2017-04-28 06:58:03.019239 | 2017-04-28 06:58:03.018 | b' File "/opt/stack/new/networking-ovn/.tox/dsvm-functional-py35/lib/python3.5/site-packages/oslo_utils/excutils.py", line 220, in __exit__'
2017-04-28 06:58:03.021866 | 2017-04-28 06:58:03.021 | b' self.force_reraise()'
2017-04-28 06:58:03.024551 | 2017-04-28 06:58:03.023 | b' File "/opt/stack/new/networking-ovn/.tox/dsvm-functional-py35/lib/python3.5/site-packages/oslo_utils/excutils.py", line 196, in force_reraise'
2017-04-28 06:58:03.027108 | 2017-04-28 06:58:03.026 | b' six.reraise(self.type_, self.value, self.tb)'
2017-04-28 06:58:03.029843 | 2017-04-28 06:58:03.029 | b' File "/opt/stack/new/networking-ovn/.tox/dsvm-functional-py35/lib/python3.5/site-packages/six.py", line 686, in reraise'
2017-04-28 06:58:03.032453 | 2017-04-28 06:58:03.031 | b' raise value'
2017-04-28 06:58:03.035032 | 2017-04-28 06:58:03.034 | b' File "/opt/stack/new/networking-ovn/.tox/dsvm-functional-py35/lib/python3.5/site-packages/oslo_db/api.py", line 138, in wrapper'
2017-04-28 06:58:03.037594 | 2017-04-28 06:58:03.037 | b' return f(*args, **kwargs)'
2017-04-28 06:58:03.040226 | 2017-04-28 06:58:03.039 | b' File "/opt/stack/new/neutron/neutron/db/api.py", line 129, in wrapped'
2017-04-28 06:58:03.042677 | 2017-04-28 06:58:03.042 | b' LOG.debug("Retry wrapper got retriable exception: %s", e)'
2017-04-28 06:58:03.045532 | 2017-04-28 06:58:03.044 | b' File "/opt/stack/new/networking-ovn/.tox/dsvm-functional-py35/lib/python3.5/site-packages/oslo_utils/excutils.py", line 220, in __exit__'
2017-04-28 06:58:03.048051 | 2017-04-28 06:58:03.047 | b' self.force_reraise()'
2017-04-28 06:58:03.050609 | 2017-04-28 06:58:03.050 | b' File "/opt/stack/new/networking-ovn/.tox/dsvm-functional-py35/lib/python3.5/site-packages/oslo_utils/excutils.py", line 196, in force_reraise'
2017-04-28 06:58:03.053137 | 2017-04-28 06:58:03.052 | b' six.reraise(self.type_, self.value, self.tb)'
2017-04-28 06:58:03.055661 | 2017-04-28 06:58:03.055 | b' File "/opt/stack/new/networking-ovn/.tox/dsvm-functional-py35/lib/python3.5/site-packages/six.py", line 686, in reraise'
2017-04-28 06:58:03.058444 | 2017-04-28 06:58:03.057 | b' raise value'
2017-04-28 06:58:03.061034 | 2017-04-28 06:58:03.060 | b' File "/opt/stack/new/neutron/neutron/db/api.py", line 125, in wrapped'
2017-04-28 06:58:03.063661 | 2017-04-28 06:58:03.063 | b' return f(*dup_args, **dup_kwargs)'
2017-04-28 06:58:03.066243 | 2017-04-28 06:58:03.065 | b' File "/opt/stack/new/neutron/neutron/api/v2/base.py", line 663, in _update'
2017-04-28 06:58:03.068816 | 2017-04-28 06:58:03.068 | b' obj = obj_updater(request.context, id, **kwargs)'
2017-04-28 06:58:03.071415 | 2017-04-28 06:58:03.070 | b' File "/opt/stack/new/neutron/neutron/extensions/qos.py", line 300, in <lambda>'
2017-04-28 06:58:03.073942 | 2017-04-28 06:58:03.073 | b' method_name, rule_cls, *args, **kwargs)'
2017-04-28 06:58:03.076516 | 2017-04-28 06:58:03.075 | b' File "/opt/stack/new/neutron/neutron/extensions/qos.py", line 296, in _make_call'
2017-04-28 06:58:03.079103 | 2017-04-28 06:58:03.078 | b' context, rule_cls, *args_list, **params'
2017-04-28 06:58:03.081578 | 2017-04-28 06:58:03.081 | b' File "/opt/stack/new/neutron/neutron/db/db_base_plugin_common.py", line 44, in inner'
2017-04-28 06:58:03.084093 | 2017-04-28 06:58:03.083 | b' result = f(*args, **kwargs)'
2017-04-28 06:58:03.086637 | 2017-04-28 06:58:03.086 | b' File "/opt/stack/new/neutron/neutron/services/qos/qos_plugin.py", line 327, in update_policy_rule'
2017-04-28 06:58:03.089150 | 2017-04-28 06:58:03.088 | b' self.validate_policy(context, policy)'
2017-04-28 06:58:03.091737 | 2017-04-28 06:58:03.091 | b' File "/opt/stack/new/neutron/neutron/services/qos/qos_plugin.py", line 131, in validate_policy'
2017-04-28 06:58:03.094220 | 2017-04-28 06:58:03.093 | b' ports = self._get_ports_with_policy(context, policy)'
2017-04-28 06:58:03.096775 | 2017-04-28 06:58:03.096 | b' File "/opt/stack/new/neutron/neutron/services/qos/qos_plugin.py", line 76, in _get_ports_with_policy'
2017-04-28 06:58:03.099268 | 2017-04-28 06:58:03.098 | b' return list(set(ports_with_policy + ports_with_net_policy))'
2017-04-28 06:58:03.101796 | 2017-04-28 06:58:03.101 | b"TypeError: unhashable type: 'Port'"
2017-04-28 06:58:03.104226 | 2017-04-28 06:58:03.103 | b' WARNING [neutron.quota.resource] No sqlalchemy event for resource port found'
2017-04-28 06:58:03.107000 | 2017-04-28 06:58:03.106 | b' WARNING [neutron.quota.resource] No sqlalchemy event for resource network found'
2017-04-28 06:58:03.109871 | 2017-04-28 06:58:03.109 | b' WARNING [neutron.quota.resource] No sqlalchemy event for resource subnet found'
2017-04-28 06:58:03.112651 | 2017-04-28 06:58:03.112 | b' WARNING [neutron.quota.resource] No sqlalchemy event for resource subnetpool found'
2017-04-28 06:58:03.115098 | 2017-04-28 06:58:03.114 | b''
2017-04-28 06:58:03.117778 | 2017-04-28 06:58:03.117 |

[Slawek Kaplonski (slaweq)]

Related patch https://review.openstack.org/#/c/461726/

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/461726
Committed: https://git.openstack.org/cgit/openstack/oslo.versionedobjects/commit/?id=c4d7b10e5cca4c0eeba3244353173d973d3bb031
Submitter: Jenkins
Branch: master

commit c4d7b10e5cca4c0eeba3244353173d973d3bb031
Author: Guoshuai Li <email address hidden>
Date: Tue May 2 18:38:36 2017 +0800

    Fix the object is unhashable when inheriting the class
    "ComparableVersionedObject"

    In python3, A class that overrides __eq__() and does not define
    "__hash__()" will have its __hash__() implicitly set to None.
    This will cause the set method to unhashable failed.
    https://docs.python.org/3/reference/datamodel.html#object.__hash__

    Change-Id: I21685303e9bd233241b7b4216e3feb7bdaecc0a4
    Closes-Bug: #1687592

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/oslo.versionedobjects 1.26.0 release.