Reviewed: https://review.opendev.org/c/openstack/neutron/+/917800
Committed:
https://opendev.org/openstack/neutron/commit/44cbbba369ad12bfdc8276319c7bcea173ddaa96
Submitter: "Zuul (22348)"
Branch: master
commit 44cbbba369ad12bfdc8276319c7bcea173ddaa96
Author: Miguel Lavalle <mlava...@redhat.com>
Date: Tue Apr 30 20:15:23 2024 -0500
User defined router flavor driver with no LSP
There is a use case where a user defined router flavor requires router
interfaces that don't have a corresponding OVN LSP. In this use case,
Neutron acts only as an IP address manager for the router interfaces.
This change adds a user defined router flavor driver that implements
the described use case. The new functionality is completely contained in
the new driver, with no logic added to the rest of ML2/OVN. This is
accomplished as follows:
1) When an interface is added to a router, the driver deletes the LSP
and the OVN revision number.
2) When an interface is about to be removed from a router, the driver
re-creates the LSP and the OVN revision number. In this way, ML2/OVN
can later delete the port normally.
Closes-Bug: #2078382
Change-Id: I14d675af2da281cc5cd435cae947ccdb13ece12b
** Changed in: neutron
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/2078382
Title:
[OVN] User defined router flavor with no LSP associated to router
interfaces
Status in neutron:
Fix Released
Bug description:
There is at least one OpenStack operator that requires the ability to
create a ML2/OVN user defined router flavor that doesn't have Logical
Switch Ports associated to their router interfaces. This allows a user
defined flavor driver to process traffic bypassing the OVN pipeline.
In this use case, Neutron acts only as an IP address manager for the
router interfaces.
The associated functionality shouldn't conflict with the ML2/OVN
mechanism manager when deleting the associated Neutron ports, which
would happen if the LSP is just removed without making provisions for
the eventual removal of the router interface.
To manage notifications about this bug go to:
https://bugs.launchpad.net/neutron/+bug/2078382/+subscriptions
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