Wednesday, 2018-11-28

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openstackgerritVieri proposed openstack/python-designateclient master: add python 3.6 unit test job  https://review.openstack.org/62047506:46
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fydrah_Hi everybody, I currently have communication issues between designate mdns service (pike) and bind (9.9.4). mdns service throws an "invalid packet from X.X.X.X: error unpack requires a string argument of length 2" during zone transfer process with bind. Does someone have already seen this ?10:33
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fydrah_I think the error comes from here --> https://github.com/openstack/designate/blob/stable/pike/designate/service.py#L371, when mdns service tries to handle bind9 transfer response, but I don't undertand why it fails..10:41
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fricklerfydrah_: there was a patch for that some time ago, let me try to find it. IIRC the message is cosmetical only, it shouldn't be the root cause of the issue you may be having11:37
fricklerfydrah_: the fix is in queens or later, see https://bugs.launchpad.net/designate/+bug/1734101 . we can look into backporting it for pike if needed.11:43
openstackLaunchpad bug 1734101 in Designate "designate-mdns throws errors when listening on IPv6/dual-stack" [High,Fix released] - Assigned to Dr. Jens Harbott (j-harbott)11:43
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fydrah_ooh thanks @frickler ! I try this right now11:53
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openstackgerritJens Harbott (frickler) proposed openstack/designate stable/pike: Fix servicing IPv6 based TCP connections  https://review.openstack.org/62058312:08
fydrah_ok, the patch works well and removed warnings, but zone creation still fails (I think it is a wrong config on my side)12:14
fricklerfydrah_: usually you should see some other errors either in mdns or bind logs. also double check your pool config and possibly firewall setup12:23
fydrah_I get these logs in bind server during zone transfer --> https://paste.krast.net/obeciqaqug.pas , mdns seems to reject it12:27
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fricklerfydrah_: I don't see how mdns could be refusing a request at that point, did you set debug=true and still no matching log? possibly a firewall issue on the host where mdns is running, then12:40
fricklerfydrah_: also please use paste.openstack.org for logs if possible12:40
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fydrah_mdns with debug: http://paste.openstack.org/raw/736307/ , still no matching logs12:51
fricklerfydrah_: hmm, so mdns cannot find that zone in the db. what does "openstack zone list" say? do you have multiple controller nodes or only a single one? does the same thing happen when you create another zone? also check the designate-worker log when doing that13:06
fydrah_openstack zone list says zone is present. Some things you should know: this was an upgrade from ocata-->pike, and also migrate to worker/producer architecture.13:08
fydrah_this is a multi-node deployment, with memcached (we will change to redis) as coordination backend13:09
fydrah_worker logs errors with "rndc: 'addzone' failed: already exists"13:10
fydrah_worker logs --> http://paste.openstack.org/raw/736309/13:16
fricklerfydrah_: can you try with a different zone to crosscheck? cleaning up the broken state for that specific zone may be a different issue13:19
fydrah_try to create a new one ?13:19
fricklerfydrah_: yes13:20
fydrah_ok13:20
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fydrah_so, creation failed obviously :) Here is the zone --> http://paste.openstack.org/raw/736313/ , (Serial=1543411284), and pool config + logs during creation --> http://paste.openstack.org/raw/736310/13:34
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fricklerfydrah_: hmm, I'm out of ideas, then, sorry. maybe mugsie can take a look later. otherwise your best bet would probably be to create a bug report on launchpad13:55
fydrah_ok no problem, thanks for the first patch !13:56
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openstackgerritMerged openstack/designate master: Fix the record_types for CAA and NAPTR  https://review.openstack.org/62024123:15
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