** Also affects: networking-cisco
Importance: Undecided
Status: New
** No longer affects: neutron
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https://bugs.launchpad.net/bugs/1399453
Title:
Nexus VXLAN gateway: VM with 2 interfaces to the same subnet delete
issues
Status in networking-cisco:
New
Bug description:
With Nexus VXLAN gateway, there are delete issues with the last VM
that has 2 interfaces to the same subnet.
1. When one interface is deleted, all the VLAN/VNI mapping
configurations are deleted at the Nexus switch.
2. When the last interface or the VM is deleted, traceback is logged
in screen-q-svc.log.
2014-12-03 18:03:38.433 ERROR neutron.plugins.ml2.managers
[req-dda788e5-759f-4caf-81f6-a31b43025ede demo
f0fd7da7d2874c1590a0092aab9014c3] Mechanism driver 'cisco_nexus' failed in
delete_port_postcommit
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers Traceback (most
recent call last):
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers File
"/opt/stack/neutron/neutron/plugins/ml2/managers.py", line 299, in
_call_on_drivers
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers
getattr(driver.obj, method_name)(context)
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers File
"/opt/stack/neutron/neutron/plugins/ml2/drivers/cisco/nexus/mech_cisco_nexus.py",
line 400, in delete_port_postcommit
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers
self._delete_nve_member) if vxlan_segment else 0
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers File
"/opt/stack/neutron/neutron/plugins/ml2/drivers/cisco/nexus/mech_cisco_nexus.py",
line 325, in _port_action_vxlan
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers func(vni,
device_id, mcast_group, host_id)
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers File
"/opt/stack/neutron/neutron/plugins/ml2/drivers/cisco/nexus/mech_cisco_nexus.py",
line 155, in _delete_nve_member
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers vni)
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers File
"/opt/stack/neutron/neutron/plugins/ml2/drivers/cisco/nexus/nexus_network_driver.py",
line 253, in delete_nve_member
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers
self._edit_config(nexus_host, config=confstr)
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers File
"/opt/stack/neutron/neutron/plugins/ml2/drivers/cisco/nexus/nexus_network_driver.py",
line 80, in _edit_config
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers raise
cexc.NexusConfigFailed(config=config, exc=e)
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers NexusConfigFailed:
Failed to configure Nexus:
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers <config
xmlns:xc="urn:ietf:params:xml:ns:netconf:base:1.0">
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers <configure>
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers
<__XML__MODE__exec_configure>
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers <interface>
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers <nve>nve1</nve>
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers
<__XML__MODE_if-nve>
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers <member>no
member vni 9000</member>
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers
</__XML__MODE_if-nve>
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers </interface>
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers
</__XML__MODE__exec_configure>
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers
</configure>
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers </config>
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers . Reason: ERROR:
VNI delete validation failed
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers .
2014-12-03 18:03:38.433 TRACE neutron.plugins.ml2.managers
2014-12-03 18:03:38.435 ERROR neutron.plugins.ml2.plugin
[req-dda788e5-759f-4caf-81f6-a31b43025ede demo
f0fd7da7d2874c1590a0092aab9014c3] mechanism_manager.delete_port_postcommit
failed for port da89ec67-e825-4a52-8dfa-6a2556624a9e
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