Hi, This should be resolved with this path - https://review.openstack.org/239885 Good luck Gary From: thanh le giang <legiangthanh at gmail.com<mailto:legiangthanh at gmail.com>> Reply-To: OpenStack List <openstack-dev at lists.openstack.org<mailto:openstack-dev at lists.openstack.org>> Date: Wednesday, November 11, 2015 at 5:20 AM To: OpenStack List <openstack-dev at lists.openstack.org<mailto:openstack-dev at lists.openstack.org>> Subject: [openstack-dev] [Neutron][IPAM] ML2 don't call ipam driver remove_subnet function Dear folks I have met a problem when implement IPAM driver, ML2 doesn't call remove_subnet function of ipam driver because ML2 doesn't use delete_subnet function of NeutronDbPluginV2 Now I workaround by using "SUBNET BEFORE_DELETE" event to notify external IPAM that subnet will be deleted, but I think it's not a good solution. According to my understanding this event should be used for checking subnet is in-used or not. I think ML2 should call IPAM driver for this situation or provide additional "SUBNET AFTER_DELETE" event Thanks, Thanh Email: legiangthan at gmail.com<mailto:legiangthanh at gmail.com> -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20151111/5c5279c6/attachment.html>