[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
** Changed in: cloud-archive/queens Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
** Tags added: neutron-easy-proactive-backport-potential -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
Reviewed: https://review.opendev.org/666594 Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=feab3462b2bf8b06caba6a15b2311309c6c08a50 Submitter: Zuul Branch:stable/rocky commit feab3462b2bf8b06caba6a15b2311309c6c08a50 Author: James Page Date: Tue Jun 11 14:02:44 2019 +0100 Release notes for dns_domain behavioural changes As part of the fix for bug 1826419, a prior release note was deleted and no new release note was added to document the change in behaviour as a result of upgrading. Restore deleted release note in the stable branches, the new note will be added in the master branch. Change-Id: Ic668d64c28cdc1068cb2413b09839a127bad46d3 Related-Bug: 1826419 ** Tags added: in-stable-rocky -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
** Tags added: neutron-proactive-backport-potential -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
This bug was fixed in the package neutron - 2:13.0.2-0ubuntu3.3~cloud0 --- neutron (2:13.0.2-0ubuntu3.3~cloud0) bionic-rocky; urgency=medium . * New update for the Ubuntu Cloud Archive. . neutron (2:13.0.2-0ubuntu3.3) cosmic; urgency=medium . * d/p/bug1826419.patch: Cherry pick fix to revert incorrect changes to internal DNS behaviour (LP: #1826419). ** Changed in: cloud-archive/rocky Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
This bug was fixed in the package neutron - 2:14.0.0-0ubuntu1.1~cloud0 --- neutron (2:14.0.0-0ubuntu1.1~cloud0) bionic-stein; urgency=medium . * New update for the Ubuntu Cloud Archive. . neutron (2:14.0.0-0ubuntu1.1) disco; urgency=medium . [ Corey Bryant ] * d/gbp.conf: Create stable/stein branch. . [ James Page ] * d/p/bug1826419.patch: Cherry pick fix to revert incorrect changes to internal DNS behaviour (LP: #1826419). -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
This bug was fixed in the package neutron - 2:14.0.0-0ubuntu2~cloud0 --- neutron (2:14.0.0-0ubuntu2~cloud0) bionic-train; urgency=medium . * New update for the Ubuntu Cloud Archive. . neutron (2:14.0.0-0ubuntu2) eoan; urgency=medium . * d/p/bug1826419.patch: Cherry pick fix to revert incorrect changes to internal DNS behaviour (LP: #1826419). ** Changed in: cloud-archive/train Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
This bug was fixed in the package neutron - 2:14.0.0-0ubuntu2~cloud0 --- neutron (2:14.0.0-0ubuntu2~cloud0) bionic-train; urgency=medium . * New update for the Ubuntu Cloud Archive. . neutron (2:14.0.0-0ubuntu2) eoan; urgency=medium . * d/p/bug1826419.patch: Cherry pick fix to revert incorrect changes to internal DNS behaviour (LP: #1826419). ** Changed in: cloud-archive Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
This bug was fixed in the package neutron - 2:14.0.0-0ubuntu1.1 --- neutron (2:14.0.0-0ubuntu1.1) disco; urgency=medium [ Corey Bryant ] * d/gbp.conf: Create stable/stein branch. [ James Page ] * d/p/bug1826419.patch: Cherry pick fix to revert incorrect changes to internal DNS behaviour (LP: #1826419). -- Corey Bryant Tue, 04 Jun 2019 09:39:50 +0100 ** Changed in: neutron (Ubuntu Disco) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
This bug was fixed in the package neutron - 2:13.0.2-0ubuntu3.3 --- neutron (2:13.0.2-0ubuntu3.3) cosmic; urgency=medium * d/p/bug1826419.patch: Cherry pick fix to revert incorrect changes to internal DNS behaviour (LP: #1826419). -- James Page Tue, 04 Jun 2019 09:40:48 +0100 ** Changed in: neutron (Ubuntu Cosmic) Status: Fix Committed => Fix Released ** Changed in: neutron (Ubuntu Bionic) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
This bug was fixed in the package neutron - 2:12.0.6-0ubuntu1 --- neutron (2:12.0.6-0ubuntu1) bionic; urgency=medium [ Sahid Orentino Ferdjaoui ] * New stable point release for OpenStack Queens (LP: #1830341). * d/p/set-initial-ha-router-state-in-neutron-keepalived-st.patch, d/p/fix-KeyError-in-OVS-firewall.patch, d/p/metadata-use-requests-for-comms-with-nova-api.patch, d/p/Spawn-metadata-proxy-on-dvr-ha-standby-routers.patch, d/p/bug1823038.patch: Dropped. Fixed in upstream release. [ James Page ] * d/p/bug1826419.patch: Cherry pick fix to revert incorrect changes to internal DNS behaviour (LP: #1826419). -- Sahid Orentino Ferdjaoui Fri, 24 May 2019 11:10:37 +0200 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
Reviewed: https://review.opendev.org/657806 Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=8f5020120e4fb6789dcf8cda92343fde55f14aee Submitter: Zuul Branch:master commit 8f5020120e4fb6789dcf8cda92343fde55f14aee Author: James Page Date: Sat May 4 09:21:28 2019 -0600 Revert "Pass network's dns_domain to dnsmasq conf" The dns_domain attribute of a network is intended for use by neutron when creating DNS records in an external DNS system such as Designate. By using the networks dns_domain, the configured search path on booted instances mismatches with the generated dns assignments for instance ports in the hosts file for dnsmasq which creates a mismatched forward/reverse lookup behaviour. This reverts commit 137a6d61053fb1cfb9a0a583b5a5c0f6253c75e6 and commit 7fdd6adc7acf99e74fbe1c12606f8c867ae134ae. Closes-Bug: 1826419 Depends-On: I145144c042b100f7e12a02a8ac7e0fbbe41e984d Change-Id: I5ff03b5ad8af432a9f7919ef953d7d8c434b93bd ** Changed in: neutron Status: In Progress => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
bionic-rocky/proposed xenial-090914-1:~$ host xenial-090914-2 xenial-090914-2.openstack.example has address 192.168.21.27 ubuntu@xenial-090914-1:~$ host 192.168.21.27 27.21.168.192.in-addr.arpa domain name pointer xenial-090914-2.openstack.example. ** Tags removed: verification-rocky-needed ** Tags added: verification-rocky-done -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
bionic-stein/proposed ubuntu@xenial-142455-1:~$ host xenial-142455-2 xenial-142455-2.openstack.example has address 192.168.21.108 ubuntu@xenial-142455-1:~$ host 192.168.21.108 108.21.168.192.in-addr.arpa domain name pointer xenial-142455-2.openstack.example. ** Tags removed: verification-stein-needed ** Tags added: verification-stein-done -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
bionic/proposed: ubuntu@xenial-113550-1:~$ host xenial-113550-2 xenial-113550-2.openstack.example has address 192.168.21.6 ubuntu@xenial-113550-1:~$ host 192.168.21.6 6.21.168.192.in-addr.arpa domain name pointer xenial-113550-2.openstack.example. Forward and reverse lookups are consistent and are using the neutron configuration option rather than the dns_domain set on the network: $ openstack network show private -f value -c dns_domain jamespage.external. ** Tags removed: verification-needed verification-needed-bionic ** Tags added: verification-done verification-done-bionic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
cosmic/proposed: ubuntu@xenial-103848-1:~$ host xenial-103848-2 xenial-103848-2.openstack.example has address 192.168.21.6 ubuntu@xenial-103848-1:~$ host 192.168.21.6 6.21.168.192.in-addr.arpa domain name pointer xenial-103848-2.openstack.example. Forward and reverse lookups are consistent and are using the neutron configuration option rather than the dns_domain set on the network: $ openstack network show private -f value -c dns_domain jamespage.external. ** Tags removed: verification-needed-cosmic ** Tags added: verification-done-cosmic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
disco/proposed: ubuntu@xenial-074242-1:~$ host xenial-074242-2 xenial-074242-2.openstack.example has address 192.168.21.181 ubuntu@xenial-074242-1:~$ host 192.168.21.181 181.21.168.192.in-addr.arpa domain name pointer xenial-074242-2.openstack.example. Forward and reverse lookups are consistent and are using the neutron configuration option rather than the dns_domain set on the network: $ openstack network show private -f value -c dns_domain jamespage.external. ** Tags removed: verification-needed-disco ** Tags added: verification-done-disco -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
Hello James, or anyone else affected, Accepted neutron into bionic-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/neutron/2:12.0.6-0ubuntu1 in a few hours, and then in the -proposed repository. Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users. If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested and change the tag from verification-needed-bionic to verification-done-bionic. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-bionic. In either case, without details of your testing we will not be able to proceed. Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping! N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days. ** Changed in: neutron (Ubuntu Bionic) Status: Triaged => Fix Committed ** Tags added: verification-needed-bionic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
Hello James, or anyone else affected, Accepted neutron into cosmic-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/neutron/2:13.0.2-0ubuntu3.3 in a few hours, and then in the -proposed repository. Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users. If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested and change the tag from verification-needed-cosmic to verification-done-cosmic. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-cosmic. In either case, without details of your testing we will not be able to proceed. Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping! N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days. ** Changed in: neutron (Ubuntu Cosmic) Status: Triaged => Fix Committed ** Tags added: verification-needed-cosmic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
Hello James, or anyone else affected, Accepted neutron into disco-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/neutron/2:14.0.0-0ubuntu1.1 in a few hours, and then in the -proposed repository. Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users. If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested and change the tag from verification-needed-disco to verification-done-disco. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-disco. In either case, without details of your testing we will not be able to proceed. Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping! N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days. ** Changed in: neutron (Ubuntu Disco) Status: Triaged => Fix Committed ** Tags added: verification-needed verification-needed-disco -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-archive/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
Ubuntu SRU information
[Impact]
Use of Neutron internal DNS resolution for resolution of instances attached to
the same project network is inconsistent due to use of configuration options
for the actual hostname entries in the dnsmasq hosts file paired with the
network 'dns_domain' attribute which is used to set the search path for the
same dnsmasq instance.
[Test Case]
Deploy OpenStack with Neutron internal DNS support enabled
Configure neutron with a dns_domain of 'testcase.internal'
Set a dns_domain attribute on the project network ('designate.local')
Boot an instance attached to the network
DNS resolution within the host will be asymmetric in terms of the actual dns
domain used.
root@bionic-045546-2:~# host 192.168.21.222
222.21.168.192.in-addr.arpa domain name pointer
bionic-045546-2.testcase.internal.
root@bionic-045546-2:~# host bionic-045546-2
bionic-045546-2.designate.local has address 192.168.21.222
which should be
root@bionic-045546-2:~# host bionic-045546-2
bionic-045546-2.testcase.local has address 192.168.21.222
[Regression Potential]
Minimal; the proposed fix actually reverts changes in Neutron which altered the
behaviour of the internal DNS support in Neutron incorrectly.
[Other Info]
This change in behaviour has been discussed at the upstream Neutron irc meeting
with consensus that the behaviour changes are incorrect and should be reverted.
** Also affects: cloud-archive
Importance: Undecided
Status: New
** Also affects: cloud-archive/queens
Importance: Undecided
Status: New
** Also affects: cloud-archive/train
Importance: Undecided
Status: New
** Also affects: cloud-archive/rocky
Importance: Undecided
Status: New
** Also affects: cloud-archive/stein
Importance: Undecided
Status: New
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dhcp agent configured with mismatching domain and host entries
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[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
This bug was fixed in the package neutron - 2:14.0.0-0ubuntu2 --- neutron (2:14.0.0-0ubuntu2) eoan; urgency=medium * d/p/bug1826419.patch: Cherry pick fix to revert incorrect changes to internal DNS behaviour (LP: #1826419). -- James Page Mon, 03 Jun 2019 10:33:42 +0100 ** Changed in: neutron (Ubuntu Eoan) Status: Triaged => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
Log from IRC meeting for future followers: http://eavesdrop.openstack.org/meetings/neutron_l3/2019/neutron_l3.2019-05-29-14.00.log.html -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
As discussed at the Neutron L3 meeting last week, it was agreed that the
current behaviour is not compliant with either of the two original specs
related to Internal DNS and external DNS integration and that the
behaviour change would be reverts in master and back to
stable/{queens,rocky,stein} branches.
I have the master branch up for review with an associated revert in
neutron-tempest-plugin and have stable branch updates prepared but not
yet up for review (just waiting for master branch to complete testing
and I'll put them all up).
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dhcp agent configured with mismatching domain and host entries
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[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
** Changed in: neutron (Ubuntu Cosmic) Status: New => Triaged ** Changed in: neutron (Ubuntu Disco) Status: New => Triaged ** Changed in: neutron (Ubuntu Eoan) Status: New => Triaged ** Changed in: neutron (Ubuntu Bionic) Importance: Undecided => High ** Changed in: neutron (Ubuntu Cosmic) Importance: Undecided => High ** Changed in: neutron (Ubuntu Disco) Importance: Undecided => High ** Changed in: neutron (Ubuntu Eoan) Importance: Undecided => High -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
** Also affects: neutron (Ubuntu Disco) Importance: Undecided Status: New ** Also affects: neutron (Ubuntu Eoan) Importance: Undecided Status: New ** Also affects: neutron (Ubuntu Bionic) Importance: Undecided Status: New ** Also affects: neutron (Ubuntu Cosmic) Importance: Undecided Status: New ** Changed in: neutron (Ubuntu Bionic) Status: New => Triaged -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
@minsel, Miguel Lavalle Can you check my latest comment? What's your intention for going forward fixing the explained behavior? Are you actively working on a draft/patch for fixing this? If so, do yo mind to explain me the approach you are following here? Thanks -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
** Changed in: neutron Assignee: James Page (james-page) => Miguel Lavalle (minsel) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
I am able to reproduce the bug 1) Forward and reverse resolution is not
honoring the network defined dns-domain. -expressed on my previous
comment without even having designate enabled on my setup.
Deploying this bundle: http://paste.ubuntu.com/p/FZff5NqfvN/ , with the
following neutron config options, please
note that a global.neutron. domain has been configured for neutron.
options:
dns-domain: global.neutron.
enable-ml2-dns: true
enable-ml2-port-security: true
flat-network-providers: physnet1
neutron-security-groups: true
reverse-dns-lookup: true
Then associating a specific domain (local.neutron) to the private
network:
$ neutron net-update --dns-domain local.neutron. private
ubuntu@niedbalski-bastion:~/stsstack-bundles/openstack$ openstack network show
private | grep dns_domain
| dns_domain| local.neutron. |
After this step, I launched 3 instances that are associated to this private
network.Then if I look into
the --domain attribute of the dnsmasq instance I can see that the configured
domain remains as the dns-domain
set for the network.
verifying the --dns-domain option used on the instances network namespace.
root@juju-2e7dc7-1826419-5:/home/ubuntu# ip netns exec
qrouter-c5a67f6a-3a15-4dcd-923d-c5c457beddff bash
root@juju-2e7dc7-1826419-5:/home/ubuntu# ps aux|grep dns|grep domain
nobody 491 0.0 0.0 53328 2888 ?S17:00 0:00 dnsmasq
--no-hosts --no-resolv --except-interface=lo --[...]
87/leases --dhcp-match=set:ipxe,175 --bind-interfaces
--interface=ns-75130a43-55
--dhcp-range=set:tag0,192.168.21.0,static,255.255.255.0,86400s
--dhcp-option-force=option:mtu,1458 --dhcp-lease-max=256
--conf-file=/etc/neutron/dnsmasq.conf --domain=local.neutron.
However, the dhcp host file generated from the dns-assignments are pointing to
the global
domain set in neutron-api.
root@juju-2e7dc7-1826419-5:/home/ubuntu# more
/var/lib/neutron/dhcp/77902f51-2ac8-4ef1-97d1-962dd745ba87/host
fa:16:3e:d0:80:35,host-192-168-21-1.global.neutron.,192.168.21.1
fa:16:3e:f0:e2:a5,host-192-168-21-2.global.neutron.,192.168.21.2
fa:16:3e:1d:25:6d,cirros-170754-1.global.neutron.,192.168.21.4
fa:16:3e:39:12:a2,cirros-170754-2.global.neutron.,192.168.21.5
fa:16:3e:5b:cd:48,cirros-170754-3.global.neutron.,192.168.21.16
Then if I look at any of the port's dns-assignment they're also pointing to the
global.neutron. domain,
not the one defined for the network
ubuntu@niedbalski-bastion:~/stsstack-bundles/openstack$ neutron port-show
75130a43-558e-4b17-90b8-45dc853fbaf7 | grep dns
| dns_assignment| {"hostname": "host-192-168-21-2", "ip_address":
"192.168.21.2", "fqdn": "host-192-168-21-2.global.neutron."} |
This port assignment explains the mismatch in the dnsmasq resolution, because
this is used for generating
the hosts file used by dnsmasq.
In my opinion rather than reverting this patch, the way to fix this is to
adjust the
https://github.com/openstack/neutron/blob/c21d922abd1208a72fe64d404a8eab93e0c56870/neutron/plugins/ml2/extensions/dns_integration.py#L287
dns_assignment update to use the network provided dns_name instead of the
global configuration.
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Title:
dhcp agent configured with mismatching domain and host entries
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[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
@minsel Apologies - I was not expecting my review to re-assign the bug to me. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
Fix proposed to branch: master Review: https://review.opendev.org/657806 ** Changed in: neutron Status: New => In Progress ** Changed in: neutron Assignee: Miguel Lavalle (minsel) => James Page (james-page) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
** Changed in: neutron Assignee: (unassigned) => Miguel Lavalle (minsel) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
I think it would be good to get a clear consensus on the intent in neutron with regards to use of dns attributes on networks and dns in configuration; behaviour has changed in a somewhat confusing way as of >= Queens for some use cases and resolution of this bug really depends on what neutron should be doing - which might be right today, but it might also be conceptually wrong. The only original intent I could track down was in IRC: http://eavesdrop.openstack.org/meetings/neutron_drivers/2016/neutron_drivers.2016-05-19-22.01.log.html#l-251 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
Hoping someone with more history on the dns_domain/domain can chime in on this one. It's not clear to me if this is a bug or potentially a new RFE to change behavior. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
Fairly; I was able to reproduce the mismatch even without designate; specifically: /etc/neutron/plugins/ml2/ml2_conf.ini [ml2] extension_drivers = port_security,dns_domain_ports /etc/neutron/neutron.conf [DEFAULT] dns_domain = jamespage.example. I then updated the dns_domain on the private network: openstack network set private --dns-domain designate.example. and booted a couple of instances: $ dnsmasq --no-hosts --pid-file=/opt/stack/data/neutron/dhcp/e2637497-2ed8-4a08-9cca-9b2cd86accd1/pid --dhcp-hostsfile=/opt/stack/data/neutron/dhcp/e2637497-2ed8-4a08-9cca-9b2cd86accd1/host --addn-hosts=/opt/stack/data/neutron/dhcp/e2637497-2ed8-4a08-9cca-9b2cd86accd1/addn_hosts --dhcp-optsfile=/opt/stack/data/neutron/dhcp/e2637497-2ed8-4a08-9cca-9b2cd86accd1/opts --dhcp-leasefile=/opt/stack/data/neutron/dhcp/e2637497-2ed8-4a08-9cca-9b2cd86accd1/leases --dhcp-match=set:ipxe,175 --dhcp-userclass=set:ipxe6,iPXE --local-service --bind-interfaces --dhcp-range=set:tag1,10.0.0.0,static,255.255.255.192,86400s --dhcp-option-force=option:mtu,1450 --dhcp-lease-max=64 --conf-file= --domain=designate.example. $ cat /opt/stack/data/neutron/dhcp/e2637497-2ed8-4a08-9cca-9b2cd86accd1/host fa:16:3e:9f:cf:f8,host-10-0-0-1.jamespage.example.,10.0.0.1 fa:16:3e:c3:0e:f7,host-10-0-0-2.jamespage.example.,10.0.0.2 fa:16:3e:4d:fc:2f,testserver-1.jamespage.example.,10.0.0.10 fa:16:3e:41:f8:61,testserver-2.jamespage.example.,10.0.0.32 you can clearly see that the entries in the host file are based on the configured jamespage.example. but that the domain is set to designate.example. as configured on the network. This generates the forward/reverse DNS lookup mismatch from an instance perspective. The dns_assignment of one of the servers ports looks like: | dns_assignment | fqdn='testserver-1.jamespage.example.', hostname='testserver-1', ip_address='10.0.0.10' | this is used to populate the dnsmasq host file. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1826419] Re: dhcp agent configured with mismatching domain and host entries
** Also affects: neutron (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1826419 Title: dhcp agent configured with mismatching domain and host entries To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1826419/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
