[Bug 1826419] Related fix merged to neutron-tempest-plugin (master)
OpenStack Infra
1826419 at bugs.launchpad.net
Fri Jun 21 20:39:51 UTC 2019
Reviewed: https://review.opendev.org/664238
Committed: https://git.openstack.org/cgit/openstack/neutron-tempest-plugin/commit/?id=b7f7d1383648f1c61a0a70e983f8afa8e5ac2d14
Submitter: Zuul
Branch: master
commit b7f7d1383648f1c61a0a70e983f8afa8e5ac2d14
Author: James Page <james.page at ubuntu.com>
Date: Mon Jun 10 11:14:25 2019 +0100
Re-enable internal DNS tests
Re-enable internal DNS tests as assocaited Neutron
changes have now landed.
Assert that 'starwars' has not been configured in
the search path for the test instance.
Related-Bug: 1826419
Change-Id: I9d16f3b2dacd1e753c8f9d803c889c537a3f3378
** Tags added: in-stable-stein
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https://bugs.launchpad.net/bugs/1826419
Title:
dhcp agent configured with mismatching domain and host entries
Status in Ubuntu Cloud Archive:
Fix Released
Status in Ubuntu Cloud Archive queens series:
Fix Committed
Status in Ubuntu Cloud Archive rocky series:
Fix Released
Status in Ubuntu Cloud Archive stein series:
Fix Released
Status in Ubuntu Cloud Archive train series:
Fix Released
Status in neutron:
Fix Released
Status in neutron package in Ubuntu:
Fix Released
Status in neutron source package in Bionic:
Fix Released
Status in neutron source package in Cosmic:
Fix Released
Status in neutron source package in Disco:
Fix Released
Status in neutron source package in Eoan:
Fix Released
Bug description:
Related bug 1774710 and bug 1580588
The neutron-dhcp-agent in OpenStack >= Queens makes use of the
dns_domain value set on a network to configure the '--domain'
parameter of the dnsmasq instance that supports it; at the same time,
neutron makes use of CONF.dns_domain when creating dns_assignments for
ports - this results in a hosts file for the dnsmasq instance which
uses CONF.dns_domain and a --domain parameter of network.dns_domain
which do not match.
This results in a search path on instances booted attached to the
network which is inconsistent with the internal DNS entries that
dnsmasq responds with:
root at bionic-045546-2:~# host 192.168.21.222
222.21.168.192.in-addr.arpa domain name pointer bionic-045546-2.jamespage.internal.
root at bionic-045546-2:~# host bionic-045546-2
bionic-045546-2.designate.local has address 192.168.21.222
In the above example:
CONF.dns_domain = jamespage.internal.
network.dns_domain = designate.local.
Based on previous discussion in bug 1580588 I think that the
dns_domain value for a network was intented for use for external DNS
integration such as that provided by Designate.
The changed made under commit:
https://opendev.org/openstack/neutron/commit/137a6d61053
appear to break this assumption, producing somewhat inconsistent
behaviour in the dnsmasq instance for the network.
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