** Changed in: neutron
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1980488
Title:
[OVN] OVN fails to report to placement if other mech driver is
configured
Status in neutron:
Fix Released
Bug description:
Bugzilla reference:
https://bugzilla.redhat.com/show_bug.cgi?id=2103019
NOTE: we don't catch this error in our CI because we don't test OVN
with other mech drivers, for example SR-IOV. This is happening in
versions prior to Zed (the bugzilla refers to Wallaby).
Description of problem:
OSP17 (Wallaby) environment with OVN+SRIOV configured
sriov_agent.ini includes the following minimum BW configuration that should
be reported to placement:
[sriov_nic]
physical_device_mappings=datacentre:enp7s0f3,datacentre:enp5s0f0
resource_provider_bandwidths=enp7s0f3:10000000:10000000,enp5s0f0:10000000:10000000
resource_provider_hypervisors=enp7s0f3:computesriov-0.localdomain,enp5s0f0:computesriov-0.localdomain
placement section is correctly configured on neutron.conf:
[placement]
auth_url=http://10.20.1.65:5000
username=nova
password=D6BO88QBbKbEYI76XkNzX5W68
project_domain_name=Default
project_name=service
user_domain_name=Default
region_name=regionOne
auth_type=password
When the sriov-agent running in a compute node is restarted, it successfully
generates the information that should be reported to placement:
2022-07-01 08:03:13.803 526516 INFO
neutron.plugins.ml2.drivers.mech_sriov.agent.sriov_nic_agent [-] Physical
Devices mappings: {'datacentre': ['enp7s0f3', 'enp5s0f0']}
2022-07-01 08:03:13.804 526516 INFO
neutron.plugins.ml2.drivers.mech_sriov.agent.sriov_nic_agent [-] Exclude
Devices: {}
2022-07-01 08:03:13.804 526516 INFO
neutron.plugins.ml2.drivers.mech_sriov.agent.sriov_nic_agent [-] Resource
provider bandwidths: {'enp7s0f3': {'egress': 10000000, 'ingress': 10000000},
'enp5s0f0': {'egress': 10000000, 'ingress': 1000000
0}}
2022-07-01 08:03:13.804 526516 INFO
neutron.plugins.ml2.drivers.mech_sriov.agent.sriov_nic_agent [-] Resource
provider inventory defaults: {'allocation_ratio': 1.0, 'min_unit': 1,
'step_size': 1, 'reserved': 0}
2022-07-01 08:03:13.804 526516 INFO
neutron.plugins.ml2.drivers.mech_sriov.agent.sriov_nic_agent [-] Resource
provider hypervisors: {'enp7s0f3': 'computesriov-0.localdomain', 'enp5s0f0':
'computesriov-0.localdomain'}
2022-07-01 08:03:13.805 526516 DEBUG
neutron.plugins.ml2.drivers.mech_sriov.agent.eswitch_manager [-] Number of VFs
configured on device enp7s0f3: 5 get_numvfs
/usr/lib/python3.9/site-packages/neutron/plugins/ml2/drivers/mech_sriov/agent/
eswitch_manager.py:133
2022-07-01 08:03:13.805 526516 DEBUG
neutron.plugins.ml2.drivers.mech_sriov.agent.eswitch_manager [-] Number of VFs
configured on device enp5s0f0: 5 get_numvfs
/usr/lib/python3.9/site-packages/neutron/plugins/ml2/drivers/mech_sriov/agent/
eswitch_manager.py:133
However, the neutron server is unable to send those data to placement:
2022-07-01 08:03:13.967 20 ERROR neutron_lib.callbacks.manager
[req-f40ac07f-9e01-480d-b4a3-11cd63ade5f1 - - - - -] Error during notification
for
neutron.services.placement_report.plugin.PlacementReportPlugin.handle_placement_config-1384518
agent, after_update: AttributeError: 'OVNMechanismDriver' object has no
attribute 'agent_type'
2022-07-01 08:03:13.967 20 ERROR neutron_lib.callbacks.manager Traceback
(most recent call last):
2022-07-01 08:03:13.967 20 ERROR neutron_lib.callbacks.manager File
"/usr/lib/python3.9/site-packages/neutron_lib/callbacks/manager.py", line 197,
in _notify_loop
2022-07-01 08:03:13.967 20 ERROR neutron_lib.callbacks.manager
callback(resource, event, trigger, **kwargs)
2022-07-01 08:03:13.967 20 ERROR neutron_lib.callbacks.manager File
"/usr/lib/python3.9/site-packages/neutron/services/placement_report/plugin.py",
line 204, in handle_placement_config
2022-07-01 08:03:13.967 20 ERROR neutron_lib.callbacks.manager if
agent['agent_type'] not in self._agents.supported_agent_types:
2022-07-01 08:03:13.967 20 ERROR neutron_lib.callbacks.manager File
"/usr/lib/python3.9/site-packages/neutron/services/placement_report/plugin.py",
line 264, in supported_agent_types
2022-07-01 08:03:13.967 20 ERROR neutron_lib.callbacks.manager
self._supported_agent_types = [
2022-07-01 08:03:13.967 20 ERROR neutron_lib.callbacks.manager File
"/usr/lib/python3.9/site-packages/neutron/services/placement_report/plugin.py",
line 265, in <listcomp>
2022-07-01 08:03:13.967 20 ERROR neutron_lib.callbacks.manager
driver.obj.agent_type
2022-07-01 08:03:13.967 20 ERROR neutron_lib.callbacks.manager
AttributeError: 'OVNMechanismDriver' object has no attribute 'agent_type'
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