Nadav,

Yes, vdsm is not able to resolve 'engine' which is used in engine's certificate.

Thanks,
Piotr

29 kwi 2017 00:37 "Nadav Goldin" <ngoldin@redhat.com> napisał(a):
Hi Piotr,
Can you clarify what you noticed is not resolvable - the 'engine' FQDN
from host0?

Thanks,
Nadav.


On Fri, Apr 28, 2017 at 4:15 PM, Piotr Kliczewski <pkliczew@redhat.com> wrote:
> I started to investigate the issue [1] and it seems like there is an issue
> in Lago setup we use.
>
> During handshake we have a step to verify whether client certificate was
> issued for a specific host (no such functionality in m2crytpo code base).
> It works fine when using either ip addresses or fqdns but in this particular
> setup we use mixed.
>
> When added logging I see that in engine certificate we use 'engine' name
> which is not resolvable on the host side and the check fails.
> I posted a patch [2] which fixes IPv4 mapped addresses issue but we need to
> fix the setup issue.
>
> Thanks,
> Piotr
>
> [1] http://jenkins.ovirt.org/job/ovirt-system-tests_manual/326/
> [2] https://gerrit.ovirt.org/#/c/76197/
>
> On Thu, Apr 27, 2017 at 3:39 PM, Piotr Kliczewski <pkliczew@redhat.com>
> wrote:
>>
>>
>>
>> On Thu, Apr 27, 2017 at 3:13 PM, Evgheni Dereveanchin
>> <ederevea@redhat.com> wrote:
>>>
>>> Test failed: 002_bootstrap/add_hosts
>>>
>>> Link to suspected patches:
>>>  https://gerrit.ovirt.org/76107 - ssl: change default library
>>>
>>> Link to job:
>>>  http://jenkins.ovirt.org/job/test-repo_ovirt_experimental_master/6491/
>>>
>>> VDSM log:
>>>
>>> http://jenkins.ovirt.org/job/test-repo_ovirt_experimental_master/6491/artifact/exported-artifacts/basic-suit-master-el7/test_logs/basic-suite-master/post-002_bootstrap.py/lago-basic-suite-master-host0/_var_log/vdsm/vdsm.log
>>>
>>> Error snippet from VDSM log, this repeats on each connection attempt from
>>> Engine side:
>>>
>>> <error>
>>>
>>> 2017-04-27 06:39:27,768-0400 INFO  (Reactor thread)
>>> [ProtocolDetector.AcceptorImpl] Accepted connection from
>>> ::ffff:192.168.201.3:49530 (protocoldetector:74)
>>> 2017-04-27 06:39:27,898-0400 ERROR (Reactor thread) [vds.dispatcher]
>>> uncaptured python exception, closing channel
>>> <yajsonrpc.betterAsyncore.Dispatcher connected ('::ffff:192.168.201.3',
>>> 49530, 0, 0) at 0x1cc3b00> (<class 'socket.error'>:Address family not
>>> supported by protocol [/usr/lib64/python2.7/asyncore.py|readwrite|110]
>>> [/usr/lib64/python2.7/asyncore.py|handle_write_event|468]
>>> [/usr/lib/python2.7/site-packages/yajsonrpc/betterAsyncore.py|handle_write|70]
>>> [/usr/lib/python2.7/site-packages/yajsonrpc/betterAsyncore.py|_delegate_call|149]
>>> [/usr/lib/python2.7/site-packages/vdsm/sslutils.py|handle_write|213]
>>> [/usr/lib/python2.7/site-packages/vdsm/sslutils.py|_handle_io|223]
>>> [/usr/lib/python2.7/site-packages/vdsm/sslutils.py|_verify_host|237]
>>> [/usr/lib/python2.7/site-packages/vdsm/sslutils.py|compare_names|249])
>>> (betterAsyncore:160)
>>>
>>> </error>
>>
>>
>> This means that what we have in the certificate do not match the source
>> address we get. I suspect that we issue the certificate for 192.168.201.3
>> but when we get ::ffff:192.168.201.3.
>> The change was verified in the env when ipv4 is used. I pushed a revert
>> [1] for now so we can work on fixing the issue.
>>
>> [1] https://gerrit.ovirt.org/#/c/76160
>>
>>>
>>> --
>>> Regards,
>>> Evgheni Dereveanchin
>>
>>
>
>
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