Public bug reported:
Description of problem:
See 'Steps to Reproduce' below.
The external port is deleted from the port_binding table instead of
chassis removed and then deleted so the PortBindingUpdate event is never
generated.
The metadata agent reacts on Port Binding Update event only. That means when
there is a VM and we delete it, it first calls port update to remove the
chassis from the port binding, so the port binding is chassis=[] before the PB
gets deleted.
In SRIOV scenario we don't do that and we delete a port that is bound.
We need a special event for the sriov deletion case.
Steps to Reproduce:
1. create an SRIOV port on either a tenant or a prov network + create a VM
attached to that port - check ovn metadata namespace has been created on a GW
node
2. remove that VM - the ovn metadata namespace is not removed from that GW node
3. even after removing the port, the namespace is not removed
Actual results:
OVN metadata namespaces clean up mechanism not working with SRIOV ports
Expected results:
Namespaces should be removed after port is removed
** Affects: neutron
Importance: Undecided
Assignee: Jakub Libosvar (libosvar)
Status: New
** Tags: ovn
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https://bugs.launchpad.net/bugs/1875865
Title:
SRIOV OVN metadata namespaces not cleaned up after ports are unbounded
Status in neutron:
New
Bug description:
Description of problem:
See 'Steps to Reproduce' below.
The external port is deleted from the port_binding table instead of
chassis removed and then deleted so the PortBindingUpdate event is
never generated.
The metadata agent reacts on Port Binding Update event only. That means when
there is a VM and we delete it, it first calls port update to remove the
chassis from the port binding, so the port binding is chassis=[] before the PB
gets deleted.
In SRIOV scenario we don't do that and we delete a port that is bound.
We need a special event for the sriov deletion case.
Steps to Reproduce:
1. create an SRIOV port on either a tenant or a prov network + create a VM
attached to that port - check ovn metadata namespace has been created on a GW
node
2. remove that VM - the ovn metadata namespace is not removed from that GW
node
3. even after removing the port, the namespace is not removed
Actual results:
OVN metadata namespaces clean up mechanism not working with SRIOV ports
Expected results:
Namespaces should be removed after port is removed
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https://bugs.launchpad.net/neutron/+bug/1875865/+subscriptions
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