[openstack-dev] [neutron] [designate] multi-tenancy in Neutron's DNS integration

Hayes, Graham graham.hayes at hpe.com
Wed May 11 17:56:25 UTC 2016


On 11/05/2016 18:45, Mike Spreitzer wrote:
>> On Tue, May 10, 2016 at 11:28 AM, Kevin Benton <kevin at benton.pub> wrote:
>> neutron subnet-show with the UUID of the subnet they have a port on
>> will tell you.
>>
>> On Tue, May 10, 2016 at 6:40 AM, Mike Spreitzer <mspreitz at us.ibm.com>
> wrote:
>> "Hayes, Graham" <graham.hayes at hpe.com> wrote on 05/10/2016 09:30:26 AM:
>>
>> > ...
>> > > Ah, that may be what I want.  BTW, I am not planning to use Nova.
> I am
>> > > planning to use Swarm and Kubernetes to create containers attached to
>> > > Neutron private tenant networks.  What DNS server would I configure
>> > > those containers to use?
>> >
>> > ...
>> >
>> > The DNSMasq instance running on the neutron network would have these
>> > records - they should be sent as part of the DHCP lease, so leaving the
>> > DNS set to automatic should pick them up.
>>
>> IIRC, our Docker containers do not use DHCP.  Is there any other way
>> to find out the correct DNS server(s) for the containers to use?
>
>
>> From: Kevin Benton <kevin at benton.pub>
>> ...
>>
>> Whoops. What I just said was wrong if it hadn't been explicitly
> overwritten.
>>
>> I think you will end up having to do a port-list looking for the DHCP
> port(s).
>> http://paste.openstack.org/show/496604/
>
>
>
> So the DNS server and the DHCP server are bundled together?
>
> Like I said, our Docker containers do not use DHCP.  Our subnets do not
> enable DHCP.  We have no DHCP ports.  Does that mean we do not get
> internal DNS?
>
> Thanks,
> Mike
>

Unfortunately, I do not think so.

-- Graham



More information about the OpenStack-dev mailing list