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| gouthamr | o/ zorillas - we're in https://meetpad.opendev.org/ManilaW-ReleaseBugSquash for our bug squash! join us there :) | 15:01 |
|---|---|---|
| gouthamr | courtesy ping: ganso vkmc dviroel lseki carloss tbarron andrebeltrami felipe_rodrigues ^ | 15:03 |
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| priteau | #startmeeting blazar | 16:00 |
| openstack | Meeting started Thu Nov 19 16:00:22 2020 UTC and is due to finish in 60 minutes. The chair is priteau. Information about MeetBot at http://wiki.debian.org/MeetBot. | 16:00 |
| openstack | Useful Commands: #action #agreed #help #info #idea #link #topic #startvote. | 16:00 |
| *** openstack changes topic to " (Meeting topic: blazar)" | 16:00 | |
| openstack | The meeting name has been set to 'blazar' | 16:00 |
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| priteau | #topic Roll call | 16:00 |
| *** openstack changes topic to "Roll call (Meeting topic: blazar)" | 16:00 | |
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| diurnalist | o/ | 16:05 |
| priteau | o/ | 16:06 |
| priteau | Hi diurnalist | 16:06 |
| diurnalist | Welcome back! | 16:06 |
| priteau | Thank you | 16:07 |
| priteau | Sorry for skipping a couple of meetings due to being away | 16:08 |
| priteau | We are now returning to our regular schedule | 16:08 |
| priteau | I wanted to catch up with you, I saw a number of updated patches but I haven't had time to look at them yet | 16:09 |
| diurnalist | sounds good | 16:09 |
| diurnalist | yes, I haven't had much time for upstream contributions myself, but had a day where I tried to go through all of our patches and try to get them up | 16:09 |
| diurnalist | rebasing on master etc | 16:10 |
| diurnalist | jakecoll doesn't work on the project anymore, but before he left (end of last week) he helped me write up some of the missing docs for network reservations | 16:10 |
| priteau | I saw an updated patch from him last Friday | 16:11 |
| priteau | I was wondering if he was going to be involved again | 16:11 |
| priteau | I've got limited time for reviews until end of last week most likely, are there some patches that you would suggest are good candidates to be merged? | 16:12 |
| priteau | I see network reservation still needs work | 16:12 |
| diurnalist | Yes, I think it needs pep fixes at minimum. We had also discussed a tempest test, should we still try that? I think the difficulty was that the network plugin needs to be enabled by default, likely | 16:14 |
| diurnalist | These ones are pretty small: https://review.opendev.org/#/c/762006/ https://review.opendev.org/#/c/761994/ https://review.opendev.org/#/c/761990/ https://review.opendev.org/#/c/589899/ | 16:15 |
| priteau | I was asking for the tempest test mostly because my manual testing of the patch back in… April? uncovered various issues (even though unit tests were passing) | 16:15 |
| priteau | Just left feedback about the first one | 16:16 |
| diurnalist | I see your comment on the shuffling, I forgot we had discussed the toggle | 16:16 |
| diurnalist | Once those are in I would move on to brushing up the enforcement stuff and submitting that | 16:16 |
| priteau | I forgot about the traceback one, adding it to my list to look at later | 16:16 |
| diurnalist | this one has been sitting for a while and is probably the most complicated (other than net res.) https://review.opendev.org/#/c/731586/ | 16:17 |
| priteau | Yeah it's a though one, need some proper review session to go through it | 16:18 |
| priteau | I'll try to schedule one soon | 16:18 |
| diurnalist | ok, appreciated-- I have also thought about setting aside some time to perform some other refactors. In my opinion much of the plugin logic could/should be pulled up one level into the base implementation, or some other component | 16:19 |
| diurnalist | really there are 2 refactors I have been kicking around: | 16:20 |
| diurnalist | 1.) update lease tear-down to gracefully handle individual reservation termination errors. I already have a patch for this and we're testing now. Currently a termination halts on the first failed reservation teardown failure. | 16:20 |
| diurnalist | 2.) move resource filtering out of plugins and make it shared business logic | 16:21 |
| priteau | Both would be really good | 16:22 |
| diurnalist | what I would really like to do long-term is support out-of-tree resource plugins. i envision moving more stuff to core concerns will make it much easier to do this | 16:22 |
| priteau | Another I thought about is common code for handling extra capabilities | 16:22 |
| diurnalist | :nod: | 16:22 |
| priteau | Currently there's lots of code duplication to do this across both hosts and networks | 16:22 |
| diurnalist | yes, especially that extra capabilities are really just a key/value system that can apply to any resource type | 16:23 |
| priteau | Do you see out of tree resource plugins being loaded like scheduler filters in nova/ | 16:23 |
| diurnalist | I'm not 100% how nova does it. I am familiar with the Ironic way, where it's via entry_points | 16:24 |
| diurnalist | which I think is fine, and pairs well with stevedore | 16:24 |
| priteau | ironic's way might be more modern since it was written more recently | 16:25 |
| diurnalist | the way that would work is you'd define an entry point namespace like "blazar.resource_type" and then your python module would export an entry point like "my_type = module.path.to:Thing" | 16:25 |
| priteau | I tend to see more old patterns in nova than in the rest of OpenStack projects | 16:25 |
| diurnalist | and then blazar conf would have "enabled_plugins = physical:host,my_type" or similar | 16:26 |
| diurnalist | as long as the module is installed in the same python path as blazar, everything's good | 16:26 |
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| priteau | I am not too familiar with this area but I guess it should work | 16:27 |
| priteau | We mostly need to make sure there are no conflicts between plugins | 16:28 |
| diurnalist | yes, and I think the trickiest thing is going to be how to handle DB dependencies. the DB schema might need to change, which is going to be painful | 16:29 |
| diurnalist | OSC also uses entry points btw, this describes it a bit: https://docs.openstack.org/python-openstackclient/latest/contributor/plugins.html | 16:29 |
| priteau | Separate DBs maybe? | 16:30 |
| diurnalist | I guess Neutron is the other project to look at here | 16:30 |
| priteau | That way you could have an alembic serial number by plugin | 16:30 |
| diurnalist | one question to think about is: can all resource plugins share a db. is there anything that is not possible w/ this | 16:31 |
| diurnalist | tricky because some resource properties are more important than others, like hypervisor_hostname for the physical host plugin | 16:32 |
| priteau | I thought alembic migrations would conflict, but maybe not | 16:32 |
| priteau | I can see in neutron-lbaas it uses alembic as well | 16:33 |
| priteau | and AFAIK it was using the neutron db | 16:33 |
| diurnalist | i think it has its own tables that it targets though, could be wrong | 16:33 |
| diurnalist | vpnaas is similar | 16:33 |
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| priteau | Yes, separate tables but same db | 16:34 |
| priteau | Could we keep resource plugins constrained to their own separate tables | 16:35 |
| priteau | They would still be able to manipulate existing tables, but through the existing models (no schema changes) | 16:35 |
| diurnalist | yes, i think that's workable. the extra capabilities functionality is a bit tricky to express this way, maybe there is a way | 16:35 |
| diurnalist | plugins should not be responsible for implementing that IMO | 16:36 |
| priteau | Maybe with an additional layer in the DB, a resources table that would describe which plugin is responsible for each resource | 16:38 |
| priteau | And extra caps would reference this table, rather than the custom table from the plugin | 16:38 |
| priteau | A bit like how there is a split between the reservations table and computehost_reservations / instance_reservations | 16:38 |
| diurnalist | i'll have to look again to see how that works | 16:41 |
| priteau | There might be some details that I've not considered but it's worth trying | 16:41 |
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| diurnalist | :nod: | 16:43 |
| diurnalist | will keep kicking it around, at some point there will need to be a spec. it's more of a general direction i think things should move | 16:43 |
| priteau | I am all for it if it makes your life easier | 16:44 |
| priteau | Anything else to cover? | 16:45 |
| diurnalist | one other thing: has anybody worked on making blazarclient osc-compatible? | 16:46 |
| priteau | Good question | 16:46 |
| diurnalist | i am wondering if it might be a good project for a new hire as a way of getting acquainted w/ the process. a bit hard for us to argue for its utility, but it's always bugged me :) | 16:47 |
| priteau | There was a start a while ago from someone in the community, but I don't think the patches were submitted upstream | 16:47 |
| priteau | I'll see if I can get the patches, but it might be difficult | 16:48 |
| priteau | It could be a good project to get used to the client and the API. It's not really useful for learning about the internals of the service of course. | 16:49 |
| diurnalist | i think if the patches are very old it may be worth it to just start over | 16:49 |
| diurnalist | ok, i'll let you know if it gets scheduled | 16:50 |
| diurnalist | otherwise nothing else from me, I don't think. there is a general question of how to handle upstream contributions given that it seems like you are the only active reviewer these days | 16:50 |
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| priteau | Maybe you should become core reviewer ;-) Although that doesn't really help with your own patches | 16:51 |
| priteau | But if there are contributions from the new hire in your group, we could merge them with +2 from you and I | 16:53 |
| diurnalist | that may be helpful | 16:53 |
| priteau | I'll propose something :) | 16:54 |
| diurnalist | in principle i worry about taking a bit too much extra responsibility, but in practice we are the main ones proposing things these days, and i'm reviewing that code anyways | 16:54 |
| priteau | Yes I don't think it would add much workload for you | 16:55 |
| priteau | Let's wrap up | 16:56 |
| priteau | Thanks a lot for joining! | 16:56 |
| priteau | #endmeeting | 16:56 |
| *** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/" | 16:56 | |
| openstack | Meeting ended Thu Nov 19 16:56:27 2020 UTC. Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4) | 16:56 |
| openstack | Minutes: http://eavesdrop.openstack.org/meetings/blazar/2020/blazar.2020-11-19-16.00.html | 16:56 |
| openstack | Minutes (text): http://eavesdrop.openstack.org/meetings/blazar/2020/blazar.2020-11-19-16.00.txt | 16:56 |
| openstack | Log: http://eavesdrop.openstack.org/meetings/blazar/2020/blazar.2020-11-19-16.00.log.html | 16:56 |
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