Tuesday, 2015-08-18

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jasondotstarEmilienM: no worries.00:50
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flaper87therve: vkmc I'm here when you are11:30
therveflaper87, Yay!11:31
therveflaper87, So if you have some time to quick look at https://review.openstack.org/206080 that would help11:31
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therveI think I followed the spirit of what we talked about, but there is definitely some trickiness involved11:32
flaper87therve: ok, let me look at that first11:33
vkmcflaper87, therve, hi!11:34
therveHey vkmc11:35
therveOne of the problem I encountered is solved by https://review.openstack.org/20750111:36
therveCurrently using taskflow in the pipeline blocks message storage, which I thought was a bad idea11:36
flaper87mmh, do you think removing taskflow entirely is a good idea? One reason we added it was to have a way to offload tasks to workers11:41
flaper87if we remove it, we won't be able to do that11:41
flaper87the reason it's probably blocking is because it's using the serial executor11:42
flaper87rather than eventlet/multiprocessing/etc11:42
therveI don't think so11:43
therveWhen you run the engine then it's blocking the thread it's running in11:43
flaper87mmh, good point.11:44
flaper87ok, I guess we can leave taskflow for later11:45
* flaper87 is trying to wrap his head around the patch11:48
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vkmcI don't follow exactly why the storage is blocked when using taskflow11:50
flaper87vkmc: it's more like the whole thread is blocked because taskflow initializes the engine, executes the tasks and then exits11:51
vkmcI mean, you load and run the engine from the notification driver11:51
flaper87Rather than putting the task in a separate greenthread and moving on11:51
thervevkmc, AFAIU, the notifier is executed in a stage during storage11:51
flaper87therve: so, in that notifications patch, does it notify "connected" endpoints when messages are pushed to Zaqar?11:52
vkmcflaper87, thx11:53
* flaper87 can't find this in the code11:53
vkmctherve, yeah, its a stage in the pipe, I see11:53
therveflaper87, It does. It uses the same webhook executor as before11:53
flaper87vkmc: I think taskflow is what we'll eventually want but we can think it through a bit better in Mitaka (if you agree)11:53
vkmcflaper87, sure thing yes11:54
vkmcI need to understand it more first heh11:54
flaper87therve: ok, but the notification must be sent from the Zaqar node that the client is connected to, right?11:54
flaper87Or does the zaqar node initialize a new ws connection to the client ?11:55
therveflaper87, The former11:55
flaper87ok11:55
flaper87(just trying to clarify what I got from the patch)11:55
therveflaper87, That's what the NotificationProtocol does11:56
flaper87one more question: What happens if the message is published in Zaqar1 but there are websocket clients connected to Zaqar2 ?11:56
flaper87how is that being handled (assuming it is)?11:56
therveflaper87, zaqar1 sends a http request to zaqar211:57
flaper87ahhhhh right right11:58
flaper87what endpoint does it send it too?11:58
* flaper87 reads again the patch with all that in mind11:59
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therveflaper87, If you look at Driver.listen, there is a new create_server for that endpoint12:01
flaper87therve: ok, no more questions :D12:02
flaper87therve: fwiw, I think the logic makes sense12:02
flaper87it follows, IIRC, what we discussed the last time12:02
therveCool :)12:02
flaper87and it'll allow us to start somewhere that we can improve from12:02
vkmcif we are adding notifications, we should update websocket support for v2.0 directly12:05
vkmcsubscriptions*12:05
vkmclooks very good, trying to understand the workflow better :)12:06
flaper87I'm a bit worried about the current versioning mess we have, TBH :P12:06
flaper87we've websocket in v1.1 but pre-signed URL just in v212:06
therveYeah that's definitely an issue12:07
flaper87I'm starting to think that we should probably backport pre-signed URL to v1.1 for now and then move websocket to v2 during Mitaka12:07
vkmcyeah12:07
flaper87but then we don't have notifications in v1_1 anyway12:08
vkmcwe should move websocket to v212:08
vkmcit shouldn't be a problem12:08
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vkmcit only requires moving endpoints.py to v2 in zaqar/api12:09
flaper87vkmc: what about the API and endpoints that exist/don't exist in v2 ?12:09
flaper87vkmc: would that be hard to do?12:09
flaper87I'd rather do that than backporting stuff12:10
vkmcflaper87, the only added endpoint is subscriptions12:10
vkmcand the removed endpoints is just removing a few functions and fixing the tests12:11
vkmcget message by id and remove messages by id IIRC12:11
flaper87vkmc: coolio, when can you get that done?12:11
flaper87websocket is experimental so, I'm not worried about moving it around12:11
vkmcoki12:11
vkmcI could do it for friday12:13
vkmcso we can test it properly12:13
vkmcbut we should move forward the subscriptions patch12:13
vkmcflaper87, ^12:15
flaper87vkmc: we can rebase it if needed12:17
vkmck12:17
vkmcwill do that then12:18
vkmcand we can say we have... signed urls, notifications and websockets all for v2 :)12:18
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therveflaper87, We'd need to add the support for signed url to the websocket transport12:25
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vkmcyep12:29
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flaper87dynarro: how's v2 going ? :)13:25
dynarroflaper87, it's going well!13:26
dynarroflaper87, I'll be implementing pools and flavors soon13:27
flaper87dynarro: oooooooooooooooooooooky13:27
dynarro:)13:28
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dynarroflaper87, however it'd be awesome if you could review my patches already ;)13:35
* dynarro is giving flaper87 a cookie if he reviews my patches13:39
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* flaper87 is reviewing those patches as we speak13:41
flaper87dynarro: https://review.openstack.org/#/c/196652/ <- I assume that needs to be abandoned, right>13:43
flaper87?13:43
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dynarroflaper87, yep13:52
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flaper87dynarro: can you do that ?13:55
flaper87:)13:55
dynarroflaper87, sure ;)13:55
angvphallooo13:57
flaper87yoooo13:58
jasondotstarsup13:59
vkmcoh hai13:59
jasondotstarhow goes?14:02
angvpthrow what? throw a step!14:02
EmilienMhello14:03
EmilienMvkmc: I was on PTO yesterday, but I got IRC notifs on my phone - what was the issue?14:03
vkmchi EmilienM!14:11
vkmcso... pinged you cos jasondotstar was trying to figure out who can review the puppet modules for zaqar14:12
jasondotstarget them merged when needed....14:12
jasondotstarnot only that but... i was also asking about the jenkins gate tests....14:13
jasondotstartrying to figure out where those are defined, so I can see what they test14:13
EmilienMjasondotstar: any link?14:14
EmilienMjasondotstar: of failures14:14
jasondotstarhttps://review.openstack.org/#/c/204225/14:15
jasondotstarpuppet-unit-x.x failures14:15
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jasondotstarI'm wondering if this is b/c the puppet class in the commit is empty14:15
jasondotstarthe zaqar clas14:15
jasondotstars/clas/class14:16
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jasondotstarEmilienM: ^^^^^14:17
jasondotstarbeaker rspec failures too14:18
dynarroI'm having troubles generating a shh key. it's giving me this error http://paste.ofcode.org/k2U7CXAnSgd5eNB6iGtH4h14:32
angvpoh i know why14:34
angvpthe '-' character of -t rsa is wrong14:34
angvpget this one - ;)14:35
angvpdynarro: ^14:35
dynarroangvp, what's the difference?14:35
angvp- != –14:35
angvpone is larger and is not standard, i guess you copied the command from some web and the web rendered you a different character which looks "better" but is not a dash14:37
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dynarroangvp, oh ok! well it worked! thanks!14:43
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dynarroangvp, I don't know if I'm doing it right... I mean I generated the shh key and logged in into openstack, I added the shh key there but when I tried again to review my commit but it's still giving me this http://paste.ofcode.org/HwYkjrWH3sF2ipC7yrHWyg15:02
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angvplet's see15:02
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angvpdynarro: seems something bad configured?15:03
angvplet's try something15:03
angvpdynarro: can i see more context? what command did you do in order to get that error?15:05
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dynarroI just re-tried to do a git review15:06
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