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[neutron] Bug deputy report (week starting on 2019-07-01)


Small late-morning update

On Mon, 8 Jul 2019 at 11:16, Bernard Cafarelli <bcafarel at redhat.com> wrote:

> Hi Neutrinos,
>
> time for a new cycle of bug deputy rotation, which means I was on duty
> last week, checking bugs up to 1835663 included
>
> Quite a few bugs in that list worth a read and further discussion:
> * port status changing to UP when changing the network name (and possible
> fallout on DHCP issues)
> * API currently allowing to set gateway outside of the subnet
> * How to handle external dependencies recommended version bumps (pyroute
> bump in queens fixing a memory leak)
> * possible issue in IPv6 address renewal since we started cleaning the
> dnsmasq leases file
>
> Critical:
> * Wrong endpoints config with configure_auth_token_middleware -
> https://bugs.launchpad.net/bugs/1834849
>   Removal of devstack deprecated option broke designate scenario job
>   Fix merged: https://review.opendev.org/668447
>
> High:
> * [Queens] Memory leak in pyroute2 0.4.21 -
> https://bugs.launchpad.net/neutron/+bug/1835044
>   we need a newer pyroute version
>   Patches on requirements with DNM neutron one for testing in progress:
> https://review.opendev.org/668676 and https://review.opendev.org/668677
>   openstack-discuss thread:
> http://lists.openstack.org/pipermail/openstack-discuss/2019-July/007545.html
>
Closed as Won't fix, requirements listed versions are for CI, not for
packagers.
On the packaging side, I know we have RDO fixes in progress, other
packagers on Queens should find this bug relevant

> * Bulk-created ports ignore binding_host_id property -
> https://bugs.launchpad.net/neutron/+bug/1835209
>   Issue on bulk port creation work
>   Fix in progress: https://review.opendev.org/#/c/665516/
> * flood flow in br-tun table22 incorrect -
> https://bugs.launchpad.net/neutron/+bug/1835163
>   Linked to https://bugs.launchpad.net/neutron/+bug/1834979 (see below),
> this can cause hard to trace l2pop and dhcp issues
>   No owner
>
> Medium:
> * Add ipam.utils.check_gateway_invalid_in_subnet unit tests -
> https://bugs.launchpad.net/neutron/+bug/1835448
>   Shows proper usage after bug
> https://bugs.launchpad.net/neutron/+bug/1835344 (see in Opinion section)
>   Review in progress: https://review.opendev.org/669210
> * Port status becomes active after updating network/subnet -
> https://bugs.launchpad.net/neutron/+bug/1834979
>   The port of a turned off VM will show as UP after a network modification
> (reproducer with network name)
>   No owner
> * Some L3 RPCs are time-consuming especially get_routers -
> https://bugs.launchpad.net/neutron/+bug/1835663
>   Probably worth discussing in performance meeting?
>
> Incomplete:
> * Restart dhcp-agent cause IPv6 vm can't renew IP address, will lost
> minutes or hours - https://bugs.launchpad.net/neutron/+bug/1835484
>   Cleaning IPv6 addresses from dnsmasq leases file (
> https://bugs.launchpad.net/neutron/+bug/1722126) apparently causes VM to
> loose its address on renewal
>   Waiting for detailed logs, but if ipv6 experts can chime in
>
> Opinion:
> * neutron doesn't check the validity of gateway_ip as a subnet had been
> created - https://bugs.launchpad.net/neutron/+bug/1835344
>   How to handle gateway IP outside of the subnet?
>   Discussion in the bug and related review:
> https://review.opendev.org/669030
>
> Duplicate:
> * QoS plugin slows down get_ports operation -
> https://bugs.launchpad.net/neutron/+bug/1835369
>   Was filled close to https://bugs.launchpad.net/bugs/1834484
>
> Regards,
> --
> Bernard Cafarelli
>


-- 
Bernard Cafarelli
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