Backport 2092271 to 2026.1#286
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Neutron is not longer setting a ``Gateway_Chassis`` reference in a ``Logical_Router_Port``. Instead, Neutron uses ``HA_Chassis_Group`` to provide HA binding scheduling. Partial-Bug: #2092271 Signed-off-by: Rodolfo Alonso Hernandez <ralonsoh@redhat.com> Change-Id: I51035c1fd9a6ca2bf3b95cb06cb7329e28316193
The ``Logical_Router_Port`` has been migrated from using ``Gateway_Chassis`` to ``HA_Chassis_Group``. This patch updates the network ``HA_Chassis_Group`` synchronization code (LP#2125553) to read the chassis priorities from the gateway LRP's ``HA_Chassis_Group`` instead of the legacy ``Gateway_Chassis``. The ``LogicalRouterPortGatewayChassisEvent`` OVN event, which monitored ``Gateway_Chassis`` changes on the ``Logical_Router_Port`` table, has been replaced with ``RouterHAChassisGroupEvent``. This new event watches the ``HA_Chassis_Group`` table for ``ha_chassis`` changes, filtered to router-only ``HA_Chassis_Group`` registers (those with a ``neutron:router_id`` tag but without a ``neutron:network_id`` tag). Related feature: https://review.opendev.org/q/topic:%22bug/2125553%22 Related-Bug: #2125553 Signed-off-by: Rodolfo Alonso Hernandez <ralonsoh@redhat.com> Change-Id: I8bfcc2b77acb89b78b13563aa4ca9fe3f19cb076
The NB API method ``schedule_new_gateway`` now creates a ``HA_Chassis_Group`` and its ``HA_Chassis`` registers, and associates it to the gateway ``Logical_Router_Port``. The usage og ``Gateway_Chassis`` is deprecated. The option ``redirect-chassis`` is no longer used nor supported in Neutron. This option was superseded in [1] (v20.03.0) in favor of ``HA_Chassis_Group`` and it was deprecated in [2] (v20.12.0). This patch also implementes a new maintenance method ``migrate_lrp_gateway_chassis_to_ha_chassis_group``, that replaces the ``Logical_Router_Port`` ``Gateway_Chassis`` with the equivalent ``HA_Chassis_Group``, that is the preferred method for HA scheduling in OVN, as reported in the LP bug. [1]ovn-org/ovn@8b7972d [2]ovn-org/ovn@f77db41 Partial-Bug: #2092271 Change-Id: If38f405428a8b27bf551db48c4e96d75deeb09fc Signed-off-by: Rodolfo Alonso Hernandez <ralonsoh@redhat.com> Use HA_Chassis_Group in the OVN L3 scheduler This patch adds the last bits of this feature: * Updates the documentation. * Adds a release note. With this patch, the feature described in LP#2092271 can be considered as finished. Closes-Bug: #2092271 Signed-off-by: Rodolfo Alonso Hernandez <ralonsoh@redhat.com> Change-Id: I1283bb140bb8242f9053830dac8ec9437e00e695
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https://bugs.launchpad.net/neutron/+bug/2092271