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

Hayes, Graham graham.hayes at hpe.com
Mon May 9 20:51:02 UTC 2016


On 9 May 2016 9:48 p.m., Mike Spreitzer <mspreitz at us.ibm.com> wrote:
>
> "Hayes, Graham" <graham.hayes at hpe.com> wrote on

"Hayes, Graham" <graham.hayes at hpe.com> wrote on 05/09/2016 04:08:07 PM:

> ...
> On 09/05/2016 20:55, Mike Spreitzer wrote:
> ...
> > Oh, right, the network gets to specify the rest of the FQDN.  In my case
> > I am interested in Neutron Ports on tenant networks.  So with a per-port
> > "hostname" (first label) and per-network "domain" (rest of the labels),
> > I would get separation between tenants --- at least in the sense that
> > there is no overlap in FQDNs.  Will this work for private tenant networks?
>
> Yes, you could publish the records to Designate for this, or using the
> internal dns resolution side of the integration.
>
> Pushing the records to designate would make them viewable globally
> (anywhere the DNS servers are accessible)
>
>
> > The other part of separation is that I do not want one tenant to even be
> > able to look up FQDNs that belong to another tenant.  Is this
> > prohibition possible today?  If not, is anyone else interested in it?
>
> Do you want to limit this to inside the tenant private network? if so,
> just allowing users to set the dns_domain on a network, and not enabling
> the external DNS plugin will work fine.

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?

Thanks,
Mike






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