[openstack-dev] [Neutron] Allowing DNS suffix to be set per subnet (at least per tenant)
Maish Saidel-Keesing
maishsk at maishsk.com
Thu Sep 3 20:07:37 UTC 2015
On 09/03/15 20:51, Gal Sagie wrote:
> I am not sure if this address what you need specifically, but it would
> be worth checking these
> two approved liberty specs:
>
> 1)
> https://github.com/openstack/neutron-specs/blob/master/specs/liberty/internal-dns-resolution.rst
> 2)
> https://github.com/openstack/neutron-specs/blob/master/specs/liberty/external-dns-resolution.rst
>
Thanks Gal,
So I see that from the bp [1] the fqdn will be configurable for each and
every port ?
I think that this does open up a number of interesting possibilities,
but I would also think that it would be sufficient to do this on a
subnet level?
We do already have the option of setting nameservers per subnet - I
assume the data model is already implemented - which is interesting -
because I don't see that as part of the information that is sent by
dnsmasq so it must be coming from neutron somewhere.
The domain suffix - definitely is handled by dnsmasq.
> On Thu, Sep 3, 2015 at 8:37 PM, Steve Wormley <openstack at wormley.com
> <mailto:openstack at wormley.com>> wrote:
>
> As far as I am aware it is not presently built-in to Openstack.
> You'll need to add a dnsmasq_config_file option to your dhcp agent
> configurations and then populate the file with:
> domain=DOMAIN_NAME,CIDR for each network
> i.e.
> domain=example.com <http://example.com>,10.11.22.0/24
> <http://10.11.22.0/24>
> ...
>
> -Steve
>
>
> On Thu, Sep 3, 2015 at 1:04 AM, Maish Saidel-Keesing
> <maishsk at maishsk.com <mailto:maishsk at maishsk.com>> wrote:
>
> Hello all (cross-posting to openstack-operators as well)
>
> Today the setting of the dns suffix that is provided to the
> instance is passed through dhcp_agent.
>
> There is the option of setting different DNS servers per
> subnet (and and therefore tenant) but the domain suffix is
> something that stays the same throughout the whole system is
> the domain suffix.
>
> I see that this is not a current neutron feature.
>
> Is this on the roadmap? Are there ways to achieve this today?
> If so I would be very interested in hearing how.
>
> Thanks
> --
> Best Regards,
> Maish Saidel-Keesing
>
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> --
> Best Regards ,
>
> The G.
--
Best Regards,
Maish Saidel-Keesing
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