Tuesday, 2016-09-13

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zarkoneHello! I want to listen to all watcher decision engine and applier events and do some actions. I wonder if watcher have some code inside which I could reuse?07:57
zarkoneI've tired to build something on top of `class ApplierAPI`, but RabbitMQ deliver the messages in round-robin manner, i.e. first message goes to actual applier, next to my client and etc08:00
vincentfrancoisehi zarkone08:00
zarkonehello vincentfrancoise!08:00
zarkoneso, this round-robin messaging nature is actually a good thing: it gives built-in failover08:01
vincentfrancoisewe are intending to build versioned notifications for Watcher in the next cycle08:01
vincentfrancoiseinspired by the nova notifications (see http://docs.openstack.org/developer/nova/notifications.html)08:02
zarkoneah, why I'm so unlucky -- all features I ever need in watcher are always in one of the next releases!08:02
zarkoneI feel like mario, she is always in the next castle...08:03
zarkoneok, got it -- will try to build something by myself08:03
vincentfrancoisesee https://review.openstack.org/#/c/360008/08:03
alexchadinzarkone: seems that you are always step ahead;)08:03
vincentfrancoiseit's like a WIP I was working on08:04
vincentfrancoisezarkone: if you have features you'd like to see, we would love to hear them from you :)08:04
zarkonevincentfrancoise: yes, I'm always ask here as you noticed ;)08:05
vincentfrancoisezarkone: who is it your are using Watcher for BTW?08:05
zarkonei'm working in small company called "sardinasystems", and we're building the product around openstack and watcher. We have custom scheduler and watcher strategy, which uses our metrics sources to minimize the number of hosts turned on and  power consumption in general08:08
vincentfrancoisezarkone: sounds great :)08:10
vincentfrancoisealways happy to hear from people using Watcher :D08:10
vincentfrancoisecoffee break (brb)08:11
zarkoneyes, pretty interesting to work on this, this is the first time i'm doing something actually exciting08:11
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vincentfrancoisezarkone: are going to be at the Barcelona summit?08:36
zarkonevincentfrancoise: no, unfortunately.. I live too far08:38
vincentfrancoisezarkone: too bad :(08:39
zarkoneyeah.. Are you going to visit this event?08:40
vincentfrancoiseyes, most of watcher core contributors will be there :)08:41
alexchadinvincentfrancoise: a little offtop: you are using devstack, right? what is the difference between flat_interface and public_interface?08:43
alexchadinI understand what public interface is, but have a little misunderstanding with flat interface08:43
vincentfrancoisealexchadin: If I'm not mistaken, flat interface your actual linux interface (eth0, eth1, ...)08:45
alexchadinpublic_interface is also real linux interface08:48
vincentfrancoisealexchadin: see https://github.com/openstack/watcher/blob/master/devstack/local.conf.controller#L1308:50
alexchadinIt was easier to me to install pure openstack from git and configure neutron to use vlan/flat networks than to understand devstack08:50
vincentfrancoisealexchadin: never had to set PUBLIC_INTERFACE so I can't help you much on this08:51
vincentfrancoisealexchadin: seems like PUBLIC_INTERFACE is a pure neutron thing in devstack -> https://github.com/openstack-dev/devstack/blob/master/doc/source/networking.rst#locally-accessible-guests08:54
alexchadinI see it: http://docs.openstack.org/developer/devstack/guides/neutron.html#devstack-configuration08:54
alexchadinhere is one node config and they are using public_interface08:54
vincentfrancoiseI believe it makes sense since the networking is handled by neutron instead of nova in devstack now08:57
vincentfrancoiseneutron feels to me like a pandora box, so I never tried to spend too much time on it :p09:00
alexchadinWhen I firstly came to my company as a trainee, my first big task was to install openstack from git with neutron vlan configuration09:02
alexchadinIt took 2 weeks to understand how it works on basic level and to set it up in centos09:03
vincentfrancoisewhereas for me, Watcher was/is my first big task :p09:03
alexchadinthen I worked on FWaaS for Neutron, some little patches for Ceilometer (including postgresql background driver) and nova loadbalancer eventually09:05
alexchadinthis internal project led us to Watcher09:06
vincentfrancoiseI've spent some time inspecting other projects' codebase, especially Nova and Ceilometer09:08
vincentfrancoisebut other than that, I never actually wrote any code concerning these projects09:09
alexchadinvincentfrancoise: for me, neutron has the most hard-to-understand code09:11
alexchadinvincentfrancoise: I think, it is mostly because of its wide list of net technologies09:12
vincentfrancoisealexchadin: networking code can become cryptic very quickly09:13
vincentfrancoiseespecially if you don't have too much networking background to begin with09:13
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alexchadinhello, sballe_13:47
sballe_acabot: Are you there?13:53
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vincentfrancoisesballe_: acabot is not at his desk so probably in a meeting right now14:05
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acabot_gfhellma : welcome ;-)14:10
dtardivelgfhellma: hi :)14:10
gfhellmaglad to connect with everybody!14:11
sballe_gfhellma: edwin's nick is gzhai14:12
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gfhellmaSballe_: thanks for the pointer on edwin's nick!14:15
sballe_gfhellma: let us know what you need from us. We are 100% ready to help14:16
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vincentfrancoisealexchadin: can you review https://review.openstack.org/#/c/366120/ please?14:51
alexchadinWill review it tomorrow14:51
vincentfrancoiseok cool :)14:52
vincentfrancoiseFYI, it fixes some tricky bugs that were only visible via the Tempest tests on the gate regarding the cluster-data-model-wrapper BP (the notifications part)14:53
acabothi everyone, rc-1 is due this week, we need more reviewers on a couple of bug fixes and test additions14:53
acabotplease look at the list of candidates in https://wiki.openstack.org/wiki/Watcher_Meeting_Agenda#09.2F14.2F201614:53
alexchadinacabot: wouldn't you like to add rally-test patch set?15:04
alexchadinacabot: then we can test watcher in experimental rally gate test15:05
acabotyes I do but as its not a bug, its right after the list ;-)15:05
alexchadinacabot: oh, my fault, sorry15:05
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tri2singTrying to set up the multi-node environment, and getting error in the watcher setup20:32
tri2sing2016-09-13 20:29:49.978 | CommandError: An error occurred during rendering /opt/stack/watcher-dashboard/watcher_dashboard/templates/infra_optim/_workflow_base.html: 'horizon/lib/font-awesome/css/font-awesome.css' could not be found in the COMPRESS_ROOT '/opt/stack/horizon/static' or with staticfiles.20:33
tri2sing2016-09-13 20:29:49.979 | Invalid template /opt/stack/watcher-dashboard/watcher_dashboard/templates/infra_optim/_top_5_chart.html: 'chart_helpers' is not a valid tag library: Template library chart_helpers not found, tried django.templatetags.chart_helpers,openstack_dashboard.templatetags.chart_helpers,django.contrib.staticfiles.templatetags.chart_helpers,django.contrib.humanize.templatetags.chart_helpers,compressor.templatetags20:33
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openstackgerritCarlos Camacho proposed openstack/puppet-watcher: Test latest puppet-lint  https://review.openstack.org/36969821:05
tri2singBtw, if I comment out the "enable watcher-dashboard" option in the local.conf, then the install runs through just fine :)21:15
tri2singBug, bug, bug!21:15
tri2singShall I open one? :)21:15
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