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[Corey Bryant <1873091@xxxxxxxxxxxxxxxxxx>]

** Changed in: cloud-archive/ussuri
       Status: Fix Committed => Triaged

** Changed in: cloud-archive
       Status: New => Fix Released

** Changed in: neutron (Ubuntu Focal)
       Status: New => Triaged

** Changed in: neutron (Ubuntu Focal)
   Importance: Undecided => High

** Changed in: cloud-archive/ussuri
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/1873091

Title:
  [RFE] Neutron ports dns_assignment does not match the designate DNS
  records for Neutron port

Status in Ubuntu Cloud Archive:
  Fix Released
Status in Ubuntu Cloud Archive ussuri series:
  Triaged
Status in Ubuntu Cloud Archive victoria series:
  Fix Released
Status in neutron:
  Fix Released
Status in neutron package in Ubuntu:
  New
Status in neutron source package in Focal:
  Triaged

Bug description:
  the Neutron port dns_assignment dont match the designate DNS records
  assigned to the Neutron port

  as explained in the link below
  https://docs.openstack.org/neutron/pike/admin/config-dns-int.html

  when a user creates a neutron port using the command below
  neutron port-create 37aaff3a-6047-45ac-bf4f-a825e56fd2b3 \
    --dns-name my-vm --dns_domain port-domain.org.

  The actual output for dns_assignment is:
  {"hostname": "my-vm", "ip_address": "203.0.113.9", "fqdn": "my-vm.example.org."}
  {"hostname": "my-vm", "ip_address": "2001:db8:10::9", "fqdn": "my-vm.example.org."}

  and the Designate DNS records is
  67a8e83d-7e3c-4fb1-9261-0481318bb7b5 | A    | my-vm.port-domain.org.  | 203.0.113.9
  5a4f671c-9969-47aa-82e1-e05754021852 | AAAA | my-vm.port-domain.org.  | 2001:db8:10::9

  while the expected output for dns-assignment:
  {"hostname": "my-vm", "ip_address": "203.0.113.9", "fqdn": "my-vm.port-domain.org."}
  {"hostname": "my-vm", "ip_address": "2001:db8:10::9", "fqdn": "my-vm.port-domain.org."}

  most likely right now the dns_domain is taken from the Neutron network
  dns_domain or from neutron dns_domain configuration

  A good approach would be to always make the dns_assignment for Neutron
  port synced with the Designate DNS records if Designate is used

  === Ubuntu SRU Details ===

  [Impact]
  If a network is created it assumed the dns_domain from neutron.conf if one is not provided when the network is created but if it we expect that one to take precendence. We also expect ports created on this network to use the network dns_domain. This was not happening and is fixed with this patch.

  [Test Case]
  * deploy Openstack Ussuri
  * configure neutron-api dns-domain="test.dom1."
  * create a network with --dns-domain test.dom2.
  * create a vm with port on that network and check that the port is using test.dom2.

  [Where things could go wrong]
  This will not fix existing networks and ports but is not expected to cause any regressions.

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