[openstack-dev] [stable][neutron] minimal dnsmasq version

Ihar Hrachyshka ihrachys at redhat.com
Thu Jan 8 14:02:32 UTC 2015

On 01/07/2015 03:21 PM, Ihar Hrachyshka wrote:
> Hi all,
> I've found out that dnsmasq < 2.67 does not work properly for IPv6 
> clients when it comes to MAC address matching (it fails to match, and 
> so clients get 'no addresses available' response). I've requested 
> version bump to 2.67 in: https://review.openstack.org/145482
> Now, since we've already released Juno with IPv6 DHCP stateful 
> support, and DHCP agent still has minimal version set to 2.63 there, 
> we have a dilemma on how to manage it from stable perspective.
> Obviously, we should communicate the revealed version dependency to 
> deployers via next release notes.
> Should we also backport the minimal version bump to Juno? This will 
> result in DHCP agent failing to start in case packagers don't bump 
> dnsmasq version with the next Juno release. If we don't bump the 
> version, we may leave deployers uninformed about the fact that their 
> IPv6 stateful instances won't get any IPv6 address assigned.
> An alternative is to add a special check just for Juno that would WARN 
> administrators instead of failing to start DHCP agent.

Sent Juno fix for review: https://review.openstack.org/145784

> Comments?
> /Ihar
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