Monday, 2016-02-22

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openstackgerritAndreas Jaeger proposed openstack/ha-guide: DO NOT MERGE: testing bindep-based jobs  https://review.openstack.org/28294604:43
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openstackgerritOpenStack Proposal Bot proposed openstack/ha-guide: Imported Translations from Zanata  https://review.openstack.org/28295506:00
openstackgerritKATO Tomoyuki proposed openstack/ha-guide: Fix typo  https://review.openstack.org/28295806:09
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openstackgerritMerged openstack/ha-guide: Imported Translations from Zanata  https://review.openstack.org/28295506:15
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aspiershi all08:57
aspiers-> #openstack-meeting08:57
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openstackgerritMerged openstack/ha-guide: Fix typo  https://review.openstack.org/28295809:43
openstackgerritKATO Tomoyuki proposed openstack/ha-guide: Add the command to start and enable RabbitMQ  https://review.openstack.org/28255810:02
aspiersI just filed http://bugs.clusterlabs.org/show_bug.cgi?id=5269 (DoS: valid authkey should be required for takeover of a Pacemaker remote)10:09
openstackbugs.clusterlabs.org bug 5269 in Core "DoS: valid authkey should be required for takeover of a Pacemaker remote" [Normal,Unconfirmed] - Assigned to andrew10:09
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aspiershey bogdando, you around?12:28
aspiersI just discovered https://review.openstack.org/gitweb?p=openstack/fuel-library.git;a=tree;f=files/fuel-ha-utils;hb=HEAD and was wondering if Mirantis would consider reconverging with https://launchpad.net/openstack-resource-agents12:29
bogdandoaspiers, hi12:30
bogdandoaspiers, we could being that topic to the fuel irc meeting. AFAIK, there was too much reworked to make things go smooth12:31
bogdandos/bring12:32
aspiersbogdando: I wish the reworking could have happened upstream :-(12:32
aspiersbogdando: yes it might not be smooth but there are still big benefits for everyone to try, so it would be great to bring the topic to the next fuel IRC meeting12:32
aspierswhen is the meeting?12:32
bogdandoaspiers, btw, the rabbitmq OCF RA was upstreamed (but it is not the one from the resource-agents). We'll maintain the downstream until Fuel switched to the rabbit 3.6.x.12:34
bogdandoaspiers, ns_* ones would be nice to follow the upstreaming procedure. They operate in network namespaces.12:34
bogdandoneutron_* diverge is just a huge I guess, while the rest, like ceilo*, heat* should be easy thing12:35
bogdandoaspiers, https://wiki.openstack.org/wiki/Fuel#Weekly_meetings12:36
aspiersbogdando: rabbitmq OCF RA does not belong in openstack-resource-agents since it's not OpenStack-specific12:37
aspiersbogdando: but anyway it's very cool that it was upstreamed :)12:37
bogdandoyes, I know that infra related things are out of scope :)12:37
bogdandoI mean DB, MQ, etc12:38
aspiersright :)12:38
aspiersthanks, I'll try to attend that meeting12:38
aspiersbogdando: ok for me to add that item to the agenda?12:39
bogdandoaspiers, yes please12:39
aspiersgreat, thanks12:39
bogdandoafter that we could come up with a spec to both upstream and fuel spaces12:40
aspiersdone12:40
aspiersbogdando: what kind of spec do you mean?12:40
bogdandobut prior to make the specs we should be at the same page and understand how to "merge" efforts. We could brainstorm to figure out basic steps, like making time-flow charts (like those ones http://www.rabbitmq.com/pacemaker.html listed below); CI testing / gating - which places and how (which reference architecture?)12:43
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bogdandoaspiers, we follow the common OpenStack specs pattern, here is the repo https://github.com/openstack/fuel-specs12:43
bogdandofor complex things with many impacts you may want to have the suchlike for openstack-ha as well12:44
bogdandoor just use cross project openstack specs12:45
bogdandolike we do for the instances evacuation12:45
aspiersyes, I agree 100% - all very good ideas12:45
bogdandoso we have to end up having two mirrored specs to the fuel and openstack cross project specs12:47
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bogdandoor we can make only one, for openstack and describe OCF RA options for existing deployment solutions like Fuel and TrippleO?..12:48
bogdandoI'm not sure if cp folks will be happy to read that though12:49
bogdandodo deployment frameworks fit into the openstack cp scope?12:49
aspiersbogdando: by time-flow charts you mean those UML sequence diagrams?12:52
bogdandoUML? I'm not sure, just a simple things like monitor, start, stop - what do they do12:53
aspiersI mean, are you talking about these diagrams? http://www.rabbitmq.com/img/Rabbitmq_clustering_pacemaker_promote.png12:53
bogdandoyup12:53
aspiersyeah, they are UML sequence diagrams12:53
aspiershttps://en.wikipedia.org/wiki/Sequence_diagram12:54
bogdandonice to know, I have to put that to the docs! :)12:54
aspiers:)12:55
aspiersI agree it would be really great to have similar diagrams to explain how we handle failure modes in the various RAs12:55
aspiersalthough I wonder how we can find spare time to do that ;-/12:55
aspiershttp://www.rabbitmq.com/pacemaker.html is a really impressive document!12:55
aspiersI wonder who did that, and how they found time12:55
bogdandoI did ;)12:56
bogdandoas the part of upstreamin12:56
aspierswhoa12:56
aspierswell, congrats :-)12:56
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bogdandothanks12:56
aspiershehe, you are the doc king ;-)12:56
bogdandoyes, I like this12:57
aspiersI agree it is really satisfying to make good docs12:57
aspiersin the past I have done that too12:57
aspiersalthough at SUSE we are lucky to have a really great doc team12:57
bogdandoand finding out they are helping someone12:57
aspiersso usually we can just feed them the right information12:57
bogdandodelivers even more12:57
aspiersabsolutely, I think a lot of devs often underestimate the importance of good docs12:58
aspiersit can save so much time in the long term, even in the short term12:58
aspiersanyway, back to the convergence / specs discussion12:58
aspiersif we had one upstream spec for each OCF RA area, then it could explain the current differences between upstream and the Mirantis fork, right?12:59
aspiersand then we could form a plan to converge?12:59
aspiersbut should it be one spec per RA, or e.g. one for all neutron RAs?13:00
bogdandoyes, that works13:00
aspiersor one for each of ns_*, neutron_*, nova_* etc.13:01
bogdandoalthough then we split, specs for nova OCF RA, for example, which place to submit ?..13:01
bogdandothey will stop being cp :)13:01
aspiersI'm not sure, I haven't really worked with specs before13:01
aspiersdo they need to be cross-project? I don't know13:02
bogdandoyou can establish specs space for the openstack-resource-agents13:02
bogdandoand put all there13:02
bogdandoand just highlight this on the cp meetings13:02
bogdandocuz I'm not sure that is in the cp scope13:03
bogdando(specs)13:03
bogdandobtw, ns_* are likely out of the scope - > infra things13:03
bogdandoand let's please use Fuel, this has not much to the MOS (Mirantis OpenStack)13:04
bogdandopacemaker things are out of MOS scope13:05
bogdandobut they are part of Fuel reference arch13:05
bogdandojust nitpicking...13:06
aspiersyeah, specs space makes sense13:06
aspiersI will have to learn how to do that ;-)13:06
bogdandoI'd suggest to make one spec per one OCF RA13:06
aspiersyeah, sounds reasonable13:07
bogdandocopy paste by 80% but some neutron agentds differs much13:07
bogdandodiffer13:07
aspiersok13:07
bogdandoif we'' find out they all are almost the same, we could merge few into one leaving only distinct things13:07
aspiersyep13:08
aspiersI need to understand why ns_dns exists13:08
aspiersis that related to neutron's dnsmasq?13:08
aspiersor something else?13:08
* bogdando will do git blame and reply :)13:08
aspiershaha13:08
aspierswait, you are saying Fuel uses Pacemaker but MOS doesn't?13:09
bogdandowell MOS is about OpenStack only13:09
aspiersso MOS is a subset of Fuel?13:09
bogdandoFuel is a deployment framework and reference arch13:09
aspierssorry, I'm very ignorant of the Mirantis world ;-)13:09
aspiersbut better to learn late than never :)13:09
bogdandoaspiers, well, it is better to ask to fuel or openstack-dev ML with [Fuel] tag as well13:10
aspierssure, I'm happy to do that13:10
bogdandoit may be just lost if put it to the #fuel13:10
aspiersit could be lost on openstack-dev too ;-)13:10
bogdandowe have many responsive folks :)13:11
aspiersthat's cool13:11
aspiersTBH I don't understand how anyone reads openstack-dev13:11
aspiersI just filter for a few tags13:11
aspiershave to ignore the rest13:11
bogdandomailman helps13:14
aspiersyeah but I decided to do it client-side (well, via filter rules on my mail server)13:14
aspiersthat way I can do regexp filtering :)13:14
bogdandoheh13:15
aspiersahah, I found http://docs.openstack.org/infra/manual/developers.html#working-on-specifications-and-blueprints13:17
aspiersI just asked on #openstack-infra13:22
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