Deployed focal-ussuri from charm-neutron-api-plugin-ovn gate tests and
applied pending Neutron patch [0].
With two instances running we can see the following information in the OVN DB:
$ sudo ovn-nbctl list dns
_uuid : d51565b8-4ddb-4038-8a92-55e25247a419
external_ids : {ls_name=neutron-de1d0eb4-405a-4fc1-98ef-b93c7a2a4524}
records :
{"114.0.168.192.in-addr.arpa"=zaza-neutrontests-ins-1.openstack.example,
"13.0.168.192.in-addr.arpa"=zaza-neutrontests-ins-2.openstack.example,
zaza-neutrontests-ins-1="192.168.0.114",
zaza-neutrontests-ins-1.openstack.example="192.168.0.114",
zaza-neutrontests-ins-2="192.168.0.13",
zaza-neutrontests-ins-2.openstack.example="192.168.0.13"}
Control test:
From instance forward DNS lookups of other instance names work:
$ host zaza-neutrontests-ins-1.openstack.example
zaza-neutrontests-ins-1.openstack.example has address 192.168.0.114
But reverse DNS lookup of other instance IP does not work:
$ host 192.168.0.114
Host 114.0.168.192.in-addr.arpa. not found: 3(NXDOMAIN)
Upgrade to packages from -proposed:
$ juju run --application ovn-chassis 'dpkg -l | grep ovn'
- Stdout: |
ii neutron-ovn-metadata-agent 2:16.4.2-0ubuntu1
all Neutron is a virtual network service for
Openstack - OVN metadata agent
ii ovn-common 20.03.2-0ubuntu0.20.04.3
amd64 OVN common components
ii ovn-host 20.03.2-0ubuntu0.20.04.3
amd64 OVN host components
UnitId: ovn-chassis/0
- Stdout: |
ii neutron-ovn-metadata-agent 2:16.4.2-0ubuntu1
all Neutron is a virtual network service for
Openstack - OVN metadata agent
ii ovn-common 20.03.2-0ubuntu0.20.04.3
amd64 OVN common components
ii ovn-host 20.03.2-0ubuntu0.20.04.3
amd64 OVN host components
UnitId: ovn-chassis/1
Confirm updated packages work:
$ sudo systemctl restart systemd-resolved
$ host zaza-neutrontests-ins-1.openstack.example
zaza-neutrontests-ins-1.openstack.example has address 192.168.0.114
$ host 192.168.0.114
114.0.168.192.in-addr.arpa domain name pointer
zaza-neutrontests-ins-1.openstack.example.
0: curl
https://review.opendev.org/changes/openstack%2Fneutron~823631/revisions/2/patch?download|base64
-d|sudo patch -p2
** Tags removed: verification-needed-focal
** Tags added: verification-done-focal
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https://bugs.launchpad.net/bugs/1857026
Title:
OVN doesn't seem to support reverse DNS lookups for instances
To manage notifications about this bug go to:
https://bugs.launchpad.net/charm-ovn-central/+bug/1857026/+subscriptions
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