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#openstack-nova - 2018-04-25
18:55:31 edleafe mriedem: yeah, I'm not that POWERful at IBM
18:56:13 mriedem edmondsw: anyway, i'll defer to melwitt on the CI situation
18:56:24 mriedem i'm not blocking, but not happy about it either
18:56:38 edmondsw mriedem honestly, I'm not happy about it myself
18:57:09 mriedem i'd be happy to be unhappy together
18:57:10 edmondsw and I will do what I can to see what we can do there
18:57:14 edmondsw wfm :)
18:59:19 openstackgerrit Zack Cornelius proposed openstack/nova-specs master: Libvirt file backed memory https://review.openstack.org/563704
18:59:47 edmondsw dansmith doesn't look like the approved queens spec called out lack of CI for vSCSI. I know we discussed at the PTG before the spec was approved, but I think it was approved pretty quickly there before we updated it to call that out
19:00:27 dansmith ack
19:01:14 mriedem might it be possible to have an on-demand job for powervm+volume stuff?
19:01:23 mriedem then you can run it on patches when asked at least as a bridge to something more automated?
19:02:11 cdent efried[m]: ping from nova?
19:02:20 mriedem lbragstad: for the policy in code goal, did you have any nice 7 step guides for teams to do that with the latest oslo.policy tricks? or for placement policy-in-code, should i just continue to cludge the existing nova policy code for placement?
19:02:47 edmondsw mriedem worth looking into, sure
19:02:49 lbragstad i laid out some of the steps in the goal
19:03:02 lbragstad but if they aren't clear i can work on another document
19:03:14 lbragstad or clean those up, because that's probably pretty important
19:03:18 efried cdent: Nothing.
19:03:43 lbragstad all i see is the completion criteria https://governance.openstack.org/tc/goals/queens/policy-in-code.html#completion-criteria
19:04:17 mriedem lbragstad: yeah just found that
19:04:41 mriedem lbragstad: np, i'll go back to my old patch and see what i was doing wrong
19:05:23 lbragstad mriedem: i can try and propose a patch to oslo.policy that walks through how start fresh with using those objects if that would be helpful
19:05:42 mriedem up to you
19:06:16 mriedem i think we (nova) have to decide some stuff like would we have /etc/nova/policy.yaml include placement stuff, or /etc/placement/policy.yaml
19:06:21 mriedem i'd prefer the latter
19:06:26 mriedem but not sure how possible that is when the code is in the same repo
19:06:45 mriedem should just be extra data files for the setup.cfg so i don't know why it would be a problem
19:10:15 edmondsw mriedem separate policy.yaml for placement should be doable
19:10:24 melwitt edmondsw, mriedem, dansmith: I think the volume tests should be enabled in CI. is there some reason they aren't?
19:10:37 dansmith melwitt: "it's hard"
19:10:58 dansmith I'll also say I think that tempest validation being disabled is a problem,
19:11:07 dansmith related but not strictly to volume CI
19:11:12 melwitt the ssh validation? that should be enabled too
19:11:16 dansmith no idea how that got ignored
19:11:20 dansmith yeah, ssh validation
19:11:41 lbragstad mriedem: i think there is a way to split up policy data across multiple configs
19:11:44 dansmith without ssh validation, I think working CI is mostly a charade
19:12:03 dansmith "oh look, we can create instances that may or may not be steaming piles of unworking sh*t"
19:12:26 edmondsw melwitt with our current hardware, it just wouldn't work. If we can get more hardware, there are still some technical challenges with the way that hardware works (limited simultaneous connections, how to detect and cleanup stale volumes from previous runs)
19:12:43 openstack Launchpad bug 1766953 in oslo.policy "Lacking documentation for new projects using oslo.policy" [Undecided,New]
19:12:43 lbragstad mriedem: https://bugs.launchpad.net/oslo.policy/+bug/1766953
19:12:52 melwitt with regard to a virt driver, yeah, lack of ssh validation is just testing that nothing prevents the instance from being built, not whether the instance actually works
19:13:10 mriedem edmondsw: "limited simultaneous connections" can be solved with (1) run tempest tests in serial and (2) limit the set of tests you run and (3) make it an on-demand job to start
19:13:33 edmondsw mriedem I meant across simultaneous CI runs
19:13:51 dansmith nova is about self-service dynamic resources.. if you can't do that, then, uh...
19:13:53 edmondsw but yeah, on-demand job would address that
19:14:21 edmondsw going into a mtg...
19:14:38 openstackgerrit Mohammed Naser proposed openstack/nova stable/pike: Make sure that we have usable input for graphical console https://review.openstack.org/564320
19:14:39 mriedem lbragstad: thanks
19:15:55 melwitt yeah, I guess I don't think we should have something in-tree that doesn't have CI covering its basic functionality
19:18:21 edmondsw so esberglu I think we need to rebase the rest of the PowerVM commits, moving vSCSI to the end of the series, so this doesn't block everything
19:18:27 edmondsw efried ^
19:18:40 dansmith melwitt: agree
19:19:11 edmondsw esberglu and we need to start working on an on-demand CI job for testing vSCSI FC
19:19:27 esberglu edmondsw: ok
19:19:38 lbragstad jaypipes: re the oslo.context stuff you reviewed - https://review.openstack.org/#/c/564072/ should make that easier for nova to consume
19:20:09 melwitt I think y'all also need to get the CI running with [validation]run_validation = True in tempest.conf, unrelated to the volumes stuff
19:22:31 edmondsw melwitt I'm not sure we can. It will take minutes, probably close to 10, for the VM to ping.
19:23:13 melwitt :\
19:23:17 edmondsw yeah
19:23:41 esberglu edmondsw: melwitt: Yeah this is something we've discussed for CI many times, but the runtimes will explode
19:23:55 dansmith edmondsw: minutes to bring up an instance to pingable state?
19:24:05 edmondsw dansmith yes
19:24:21 dansmith edmondsw: how is that useful for an elastic sort of situation? :)
19:25:21 edmondsw to Power customers, 10 minutes sounds very fast :)
19:25:41 dansmith edmondsw: hah, yeah, I know about power, remember, but doesn't stop me from making fun
19:25:50 dansmith especially in an "is this relevant at all" sort of situation
19:25:50 edmondsw sure :)
19:26:04 edmondsw again, I don't like it, but...
19:26:25 mriedem again, you could have a separate job that just runs something like scenario tests in serial
19:26:35 edmondsw fair
19:26:36 mriedem i don't think the scenario tests even use the run_validation flag
19:26:43 mriedem they just assume that you can ssh into the guest
19:26:51 mriedem otherwise they aren't useful scenarios
19:27:02 edmondsw I don't know that we've considered on-demand CI jobs before
19:27:15 mriedem the scenario-based one might not need to be on-demand
19:27:37 mriedem you'd have to see which tests make sense, and if you only run like 6 tests, then it's not bad
19:27:47 edmondsw mriedem I'm not quite following... what scenario do you have in mind?
19:28:00 mriedem https://github.com/openstack/tempest/tree/master/tempest/scenario
19:28:03 melwitt this is the basic functionality scenario test that verifies ssh and config drive https://github.com/openstack/tempest/blob/master/tempest/scenario/test_server_basic_ops.py#L51
19:28:09 mriedem stuff like test_minimum_basic
19:28:22 edmondsw will look
19:28:25 edmondsw esberglu fyi ^
19:28:25 mriedem test_server_basic_ops
19:28:49 mriedem for stuff in that requires volumes, we could fix those in tempest if the env doesn't have cinder
19:29:22 mriedem actually that's already handled https://github.com/openstack/tempest/blob/master/tempest/scenario/test_minimum_basic.py#L102
19:29:26 mriedem @utils.services('compute', 'volume', 'image', 'network')
19:29:35 mriedem so if the volume service isn't enabled in tempest.conf, that test is skipped
19:29:55 mriedem should totally be able to do this though https://github.com/openstack/tempest/blob/master/tempest/scenario/test_server_basic_ops.py#L125
19:30:20 mriedem create a server with a keypair and config drive, ssh into it, done
19:33:58 lbragstad mriedem: was this the policy+placement patch you were talking about?
19:33:59 lbragstad https://review.openstack.org/#/c/524425/
19:34:12 melwitt yeah. I'd personally want to hold off on merging the new driver patches until test_server_basic_ops is running in CI
19:34:27 melwitt with ssh validation enabled
19:36:04 openstackgerrit Eric Berglund proposed openstack/nova master: PowerVM Driver: Snapshot https://review.openstack.org/543023
19:36:05 openstackgerrit Eric Berglund proposed openstack/nova master: PowerVM Driver: DiskAdapter parent class https://review.openstack.org/549053
19:36:06 openstackgerrit Eric Berglund proposed openstack/nova master: PowerVM Driver: Localdisk https://review.openstack.org/549300
19:36:13 edmondsw melwitt even things that wouldn't have anything to do with that, like snapshot?
19:37:01 melwitt edmondsw: yeah, it seems like verifying the booted instances was missed for whatever reason in the past, should fix that before adding more stuff I would think

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