The patch [2] proposes changing the default DNS driver from
'nova.network.noop_dns_driver.NoopDNSDriver' to other that verifies if
DNS entries already exists before adding them, such as the
'nova.network.minidns.MiniDNS'.
Changing a default setting in a way that isn't backwards compatible when the
cloud admin can already make that config change if they want it doesn't seem
like the right thing to do. I think you need to do this in two stages:
1) In Juno deprecate the existing default value first (i.e add a waning for one
cycle that says that the default will change)
2) In K change the default
-Original Message-
From: samuel [mailto:sam...@lsd.ufcg.edu.br]
Sent: 04 June 2014 15:01
To: openstack-dev@lists.openstack.org
Subject: [openstack-dev] [Nova] Different tenants can assign the same
hostname to different machines without an error
Hi everyone,
Concerning the bug described at [1], where n different machines may have
the same hostname and then n different DNS entries with that hostname are
written; some points have to be discussed with the nova community.
On the bug review [2], Andrew Laski pointed out that we should discuss
about having users getting errors due to the display name they choose.
He thinks that name should be used purely for aesthetic purposes so I think a
better approach to this problem would be to decouple display name and DNS
entries. And display name has never needed to be globally unique before.
The patch [2] proposes changing the default DNS driver from
'nova.network.noop_dns_driver.NoopDNSDriver' to other that verifies if
DNS entries already exists before adding them, such as the
'nova.network.minidns.MiniDNS'.
What are your thoughts up there?
Sincerely,
Samuel Queiroz
[1] https://bugs.launchpad.net/nova/+bug/1283538
[2] https://review.openstack.org/#/c/94252/
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