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| openstackgerrit | Ryan Brady proposed openstack/mistral-lib master: Adds minimum common shared code for custom actions API https://review.openstack.org/411412 | 03:19 |
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| openstackgerrit | Merged openstack/python-mistralclient master: Updated from global requirements https://review.openstack.org/439357 | 07:15 |
| openstackgerrit | Merged openstack/mistral master: Updated from global requirements https://review.openstack.org/437731 | 07:17 |
| openstackgerrit | Merged openstack/mistral master: Update Dockerfile to use Xenial https://review.openstack.org/437939 | 07:18 |
| openstackgerrit | Merged openstack/mistral master: Force Python 2 for documentation builds https://review.openstack.org/435437 | 07:18 |
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| d0ugal | Can Mistral actions accept **kwargs? | 09:02 |
| d0ugal | I am going to test this now, but maybe somebody knows and can reply more quickly and save me time :) | 09:02 |
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| ddeja | d0ugal: I think they do | 09:24 |
| d0ugal | ddeja: great, thanks - I think so too but it seems I managed to break my Mistral dev env, so not quite managed to test yet :) | 09:25 |
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| openstackgerrit | Brad P. Crochet proposed openstack/mistral-extra master: Set up mistral-extra with the ability to run unit tests https://review.openstack.org/437058 | 12:13 |
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| d0ugal | thrash: In your YAQL adventures, have you came across a way to batch a list? | 12:16 |
| d0ugal | thrash: i.e. batching by 3: [1,2,3,4,5,6,7] becomes [[1,2,3],[4,5,6],[7]] | 12:17 |
| thrash | d0ugal: hmmm... no. Nothing that rings a bell. | 12:19 |
| d0ugal | 'UUID'.repeat(10).enumerate().sliceWhere($[0] mod 4 = 0) | 12:19 |
| d0ugal | That is the closest I have managed :) | 12:20 |
| d0ugal | http://paste.openstack.org/show/600932/ | 12:20 |
| thrash | that's quite impressive. | 12:20 |
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| d0ugal | haha, in a bad way :) | 12:20 |
| thrash | but not quite doing what you want. | 12:20 |
| d0ugal | nope | 12:20 |
| d0ugal | I guess I might write a custom YAQL function! | 12:21 |
| thrash | sweet! | 12:21 |
| d0ugal | thrash: actually, I could just use jinja2 | 12:24 |
| d0ugal | http://jinja.pocoo.org/docs/2.9/templates/#batch | 12:24 |
| d0ugal | but having YAQL and jinja2 in the same workflow is a bit nasty... | 12:24 |
| tuan_ | d0ugal: Yeap, and the performance of using jinja2 is significantly better than YAQL | 12:31 |
| d0ugal | tuan_: yeah, makes sense. I much prefer jinja2, it's a shame we (tripleo) started down the yaql route. | 12:32 |
| d0ugal | There is no jinja2 documentation or jinja2 tests in Mistral :( | 12:33 |
| d0ugal | Trying to guess how to use it. | 12:33 |
| tuan_ | we Nokia will demonstrate it in this summer summit | 12:33 |
| tuan_ | for the topic of Mistral performance | 12:33 |
| d0ugal | tuan_: oh, cool | 12:33 |
| tuan_ | however, do you know the reason behind that why Jinja2 is better than YAQL | 12:34 |
| tuan_ | ? | 12:34 |
| d0ugal | tuan_: no? | 12:34 |
| tuan_ | both of them are written in Python | 12:34 |
| d0ugal | well, I think the syntax is nicer and more people know it | 12:34 |
| d0ugal | and it is far more mature :) | 12:34 |
| tuan_ | :d, but these above reasons do not make the better performance | 12:35 |
| d0ugal | haha, indeed | 12:35 |
| d0ugal | I think the performance is better because it is "compiled" into native Python code. | 12:35 |
| d0ugal | tuan_: are you familiar with using jinja2? | 12:37 |
| tuan_ | yeah, i used to do it in ansible | 12:37 |
| d0ugal | tuan_: does line 366 look correct? https://review.openstack.org/#/c/439568/1/workbooks/baremetal.yaml | 12:37 |
| tuan_ | let me see | 12:38 |
| d0ugal | I am not sure how you access the workflow variables but I think it is with the underscore from reading code | 12:38 |
| tuan_ | but both of them are written in pure Python | 12:38 |
| d0ugal | I am going to test it anyway, so no worries if you don't know :) | 12:38 |
| tuan_ | why jinja is better than yaql | 12:38 |
| tuan_ | haizz | 12:38 |
| tuan_ | well, tripleO | 12:39 |
| tuan_ | some companies in my country have plan to deploy openstack with tripleO and they ask me about that | 12:39 |
| d0ugal | heh :) they should come and ask in #tripleo | 12:40 |
| tuan_ | even Nokia is now using it too | 12:40 |
| d0ugal | cool | 12:40 |
| d0ugal | and tripleo uses Mistral, so it goes in full circle :) | 12:40 |
| tuan_ | d0ugal: sorry dOugal, if you mean about undercore in your patch then i did not test with that | 12:46 |
| tuan_ | even in ansible using jinja2, i have not used underscore before | 12:47 |
| tuan_ | if you test it and it runs then i need to update my knowledge about this underscore thinggy | 12:47 |
| tuan_ | :D | 12:47 |
| d0ugal | tuan_: Okay, no problem. I shall find out soon :-D | 12:47 |
| d0ugal | tuan_: In YAQL you use $ to access the context, I think in Jinja2 it is _ | 12:48 |
| d0ugal | https://docs.openstack.org/developer/mistral/dsl/dsl_v2.html?#attributes | 12:48 |
| d0ugal | It is actually mentioned in the docs here too | 12:48 |
| d0ugal | "Dictionary of actual input parameters (expression context) is referenced as ‘$.’ in YAQL and as ‘_.’ in Jinja" | 12:48 |
| tuan_ | okay | 12:49 |
| tuan_ | :D | 12:49 |
| tuan_ | my bad | 12:50 |
| tuan_ | it is designed for mistral | 12:50 |
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| d0ugal | rakhmerov: What do you call the $ in YAQL? | 17:23 |
| d0ugal | is it the context for that expression? | 17:24 |
| d0ugal | The YAQL documentation calls it "current context" - I'll use that. | 17:25 |
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