Tuesday, 2019-01-29

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openstackgerritAlexis Lee proposed openstack/oslo.log master: Add 'levelkey' param  https://review.openstack.org/63295513:43
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openstackgerritAlexis Lee proposed openstack/oslo.log master: Add 'levelkey' param  https://review.openstack.org/63295516:18
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gsantomaggiohello, is there in openstack some rabbitmq tool to trace the messages? ( I know about rabbitmq_trace, but I am looking something more specific for openstack )16:54
kgiustigsantomaggio: some project (like nova I believe) have implemented OSProfiler support: https://docs.openstack.org/osprofiler/latest/16:57
kgiustigsantomaggio: it should cover RPC transfers, but it is not specifically a rabbitmq trace tool16:58
gsantomaggioThank you,  so basically I am looking for something to trace the open stack messages and in case of timeout, I'd like to understand where the message is/was blocked17:01
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gsantomaggiowill check https://docs.openstack.org/osprofiler/latest/17:02
kgiustigsantomaggio: it may not give you the detail you're looking for - IIRC nova etc only tracepoint when the RPC call is made and when the request is processed17:04
kgiustigsantomaggio: so you don't have visibility into the oslo.messaging layers (it could be stalled in the socket buffers for example)17:05
gsantomaggio@kgiusti17:05
gsantomaggiothanks I meant in which module is blocked17:05
kgiustigsantomaggio: kk17:07
gsantomaggio> (it could be stalled in the socket buffers for example) :) :)17:07
gsantomaggioWe spent days on https://bugs.launchpad.net/oslo.messaging/+bug/1800957/comments/4317:07
openstackLaunchpad bug 1800957 in oslo.messaging "Upgrading to pike version causes rabbit timeouts with ssl" [High,Confirmed] - Assigned to Ken Giusti (kgiusti)17:07
kgiustigsantomaggio: yep that sucked.  osprofile won't help with that since there are no tracepoints logged at the kombu and amqp layers.  As far as osprofile would go is to show the RPC message as being handed to oslo.messaging.... then nuthin'17:09
gsantomaggioi was thinking to write some rabbitmq plugin can help the troubleshooting17:10
kgiustigsantomaggio: how's your Erlang? :)17:11
gsantomaggioI am rabbitmq contributor, supporter and erlang programmer17:11
gsantomaggioand there also a couple of  my commits on erlang 20 :D17:12
kgiustigsantomaggio: Ah I would describe you as an Erlang Rock Star :D  carry on...17:13
gsantomaggionahhhhh let's say that I can write an "hello world"  :D17:13
kgiustigsantomaggio: as far as I'm concerned that makes you an expert!17:14
gsantomaggio:D :D17:14
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-openstackstatus- NOTICE: http://zuul.openstack.org is not working. https://zuul.openstack.org does work. Please use that while we investigate.23:14
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