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Hey Andy,<br>
<br>
Thanks again. Yes, it is almost certainly an SSL issue. I re-built with SSL turned off and things now work.<br>
<br>
In the morning (UK time) I'm going to re-build with SSL on and add 'insecure=True' to the nova config. I'll report the result when done.<br>
<br>
Kindests, Lawrence<br>
<br>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" color="#000000" face="Calibri, sans-serif"><b>From:</b> Andy McCrae<br>
<b>Sent:</b> 06 March 2017 15:14<br>
<b>To:</b> OpenStack Development Mailing List (not for usage questions)<br>
<b>Subject:</b> Re: [openstack-dev] [openstack-ansible] [nova] Compute node failing to come up in hypervisor list after first reboot</font>
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<div dir="ltr">Hey Lawrence,
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<div>The nc -z is checking that you can connect to the port, but the error itself looks to be related to the handshake when using SSL certificates in rabbitmq.</div>
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<div>"<span style="color:rgb(0,0,0); font-family:calibri,arial,helvetica,sans-serif">getrandom() initialization failed. (_ssl.c:590)" being the important bit there. You'll probably find more if you start searching around that area rather than the connection
failure itself.</span></div>
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<div>On a side note - this sounds like it may well be a bug with SSL certs in rabbitmq in OpenStack-Ansible, I'd love to get that fixed if that is the case!</div>
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<div>Hope that helps though.</div>
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<div>Andy</div>
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<div class="gmail_quote">On 6 March 2017 at 15:38, Lawrence J. Albinson <span dir="ltr">
<<a href="mailto:lawrence@ljalbinson.com" target="_blank">lawrence@ljalbinson.com</a>></span> wrote:<br>
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I've been chasing a problems with a build for some days now and would greatly appreciate any pointers the community can offer.<br>
<br>
The build is built of three nodes (infra+storage+compute) each of which is a KVM virtual machine.<br>
<br>
After installation everything seems fine. However, after rebooting the compute node the hypervisor list reports it as being down.<br>
<br>
The /var/log/nova/nova-compute.log is filling up with messages of the form:<br>
<br>
2017-03-06 14:13:11.209 4380 ERROR oslo.messaging._drivers.impl_<wbr>rabbit [req-7fa52faa-c21f-4a1c-8413-<wbr>fddad9e52c2e - - - - -] [fd4c494d-1ef5-4502-991f-<wbr>521f0a8a2bc3] AMQP server on
<a href="http://172.29.237.147:5671" target="_blank">172.29.237.147:5671</a> is unreachable: getrandom() initialization failed. (_ssl.c:590). Trying again in 32 seconds. Client port: None<br>
<br>
I can confirm that 172.29.237.147 is in fact reachable from compute1.<br>
<br>
Furthermore, 'nc -z -v -w5 172.29.237.147 5671' reports:<br>
<br>
Connection to 172.29.237.147 5671 port [tcp/amqps] succeeded!<br>
<br>
Any pointers would be greatly appreciated.<br>
<br>
Kind regards, Lawrence<br>
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