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#openstack-nova - 2019-10-01
14:54:45 openstackgerrit Stephen Finucane proposed openstack/python-novaclient stable/train: Stop silently ignoring invalid 'nova boot --hint' options https://review.opendev.org/685980
14:55:30 openstackgerrit Stephen Finucane proposed openstack/python-novaclient stable/stein: Stop silently ignoring invalid 'nova boot --hint' options https://review.opendev.org/685981
14:55:51 openstackgerrit Stephen Finucane proposed openstack/python-novaclient stable/rocky: Stop silently ignoring invalid 'nova boot --hint' options https://review.opendev.org/685983
14:57:26 mriedem stephenfin: i initially thought 'fixes' but could see 'upgrade' as well
14:57:45 openstackgerrit Balazs Gibizer proposed openstack/nova master: Add a way to spy on function calls in test https://review.opendev.org/685949
14:59:01 openstackgerrit Balazs Gibizer proposed openstack/nova master: Replace mock with spy in test https://review.opendev.org/685950
14:59:02 openstackgerrit Stephen Finucane proposed openstack/python-novaclient stable/train: Stop silently ignoring invalid 'nova boot --hint' options https://review.opendev.org/685980
14:59:32 openstackgerrit Stephen Finucane proposed openstack/python-novaclient stable/stein: Stop silently ignoring invalid 'nova boot --hint' options https://review.opendev.org/685981
15:00:10 openstackgerrit Stephen Finucane proposed openstack/python-novaclient stable/rocky: Stop silently ignoring invalid 'nova boot --hint' options https://review.opendev.org/685983
15:25:59 openstackgerrit Merged openstack/nova master: ec2: Move ec2utils functions to their callers https://review.opendev.org/662505
15:32:42 stephenfin gibi: Since you looked at the functional change, care to send this reno on its way, please? https://review.opendev.org/685986
15:33:49 gibi stephenfin: sure, looking
15:33:56 stephenfin Thanks
15:34:36 artom gibi, a couple of -1s on your spy stack, but they're really more for visibility/discussion
15:34:37 gibi stephenfin: that was an easy one :)
15:35:09 stephenfin gibi: hang on, pretty sure I've a 1kloc patch sitting around here somewhere ;)
15:35:27 gibi artom: yeah, that is basically an experiment, so any discussion starter is warmly welcome. I will check back to that patch later
15:35:44 gibi stephenfin: I'm sure you have one :)
15:35:54 stephenfin I probably do :(
15:38:19 artom gibi, ack, no rush :)
15:41:25 openstackgerrit Merged openstack/python-novaclient stable/train: Update .gitreview for stable/train https://review.opendev.org/683625
15:41:43 efried mriedem, stephenfin: Can I get some help/advice moving forward with unauthed versioned discovery? https://review.opendev.org/685181
15:42:20 efried I've got this working, but there are a couple of points I'd like to discuss.
15:42:21 mriedem still no alex or john around huh
15:42:36 efried Alex is on vacation. John I haven't seen in a while.
15:43:03 stephenfin I can try, but this is not my wheelhouse
15:43:17 efried oh, sure you're fine removing an unused middleware though
15:43:24 efried :P
15:43:25 efried so first
15:43:57 stephenfin deleting code is a significantly easier endeavour ;)
15:44:09 efried mordred: your advice would be helpful here too
15:44:39 efried http://host:port/v2 and /v2.1 used to do a 302 redirect to .../v2/ and /v2.1/ (with the trailing slash). The trailing-slash version then returned the version document with a 200.
15:44:57 efried Now /v2, /v2.1, /v2/, and /v2.1/ all just return the version document with 200.
15:45:15 efried Is that a behavior change that could possibly cause a problem for anyone?
15:45:48 efried perhaps gmann could also advise?
15:46:26 mordred efried: it shouldn't cause a problem for SDK - we treat the version document payload as authoritative
15:46:54 mordred but - if there are people who are doing blind url appending - maybe that's a behavior change that would break them?
15:47:05 mriedem i want to say novaclient has had to deal with the trailing slash stuff to get the version document and avoid the 302
15:47:08 efried what do you mean, blind url appending?
15:47:19 mriedem i think sdague added that and alex is probably familiar with it
15:47:40 efried mriedem: so worst case novaclient is doing an extra thing that's no longer necessary, rite?
15:48:09 mriedem probably, details are in here https://github.com/openstack/python-novaclient/blob/003ac57d9af74aa4658a7bf6cc6b6b3bafa58c11/novaclient/v2/versions.py#L36
15:48:28 efried mordred: /v2/stuff will still go into the real API, not hit version discovery
15:48:43 mordred ah - yeah
15:49:18 mordred I mean - then in that case, I think it's no problem - because what a person is looking for is the version document
15:49:23 mordred and they'll be getting it
15:49:38 mriedem i also remember this craziness that andreykurilin fixed https://github.com/openstack/python-novaclient/blob/003ac57d9af74aa4658a7bf6cc6b6b3bafa58c11/novaclient/v2/versions.py#L83
15:49:40 mordred I agree with "novaclient might be doing an extra step it doesn't need to do anymore" part
15:49:42 stephenfin efried: I assume there's a very good reason that it's not possible to retain the 302 redirect?
15:50:12 mordred stephenfin: bunny rabbits
15:50:14 efried mriedem: yeah, so that novaclient blip would become unnecessary - but only for deployments actually running this code, so I'm not gonna like rip it out right away or anything.
15:50:45 mordred yah- that's why we're fixing sdk to DTRT with older nova too
15:50:45 mriedem more like ever
15:51:02 mriedem api-paste is config and deployments can do whatever, even if it's dumb
15:51:05 mriedem see the comments in there about rax
15:51:49 efried stephenfin: I suppose with some extra hacking I could figure out a way to re-add the 302, but if it's not problematic to remove it, this is way simpler, less code, etc.
15:52:19 stephenfin gotcha
15:52:21 efried mriedem: that second novaclient blip should also continue to work fine.
15:52:22 mriedem i have no idea if external tooling things would rely on that 302 actually happening
15:52:32 efried yeah, that would be just... crazy I would think.
15:52:39 efried but it's what I'm asking.
15:52:47 efried Second thing:
15:53:19 efried Do we have any need to retain full compatibility for [api]auth_strategy=noauth2 in the wild?
15:55:22 efried I had to change NoAuthMiddleware a little bit because it used to be relying (hardcoded) on the auth_url being the versioned endpoint -- i.e. http://server:port/v2 or .../v2.1 -- because it would return that in the X-Server-Management-Url header.
15:55:40 efried But the whole point of the change was to make those URLs *not* go through auth middleware
15:56:35 efried so I had to make it so you use a different auth_url, and NoAuthMiddleware (still hardcoded) massages it appropriately so you still get the right X-Server-Management-Url header back.
15:57:27 mriedem noauth is for tests only
15:58:04 efried good, that's what I wanted to hear.
15:58:06 mriedem https://docs.openstack.org/nova/latest/configuration/config.html#api.auth_strategy
15:58:10 mriedem it's also in the config option help
15:58:42 efried Yeah, I just didn't know if the fact that we mention it in the conf help means we kinda have to support it and not break existing uses
15:59:05 efried Cool, so the last thing:
15:59:18 efried and this is obvious, because it's the point of the patch:
15:59:37 efried You no longer go through auth to get the versioned discovery documents
15:59:51 mriedem WHAT?!
16:00:09 efried I think it's possible this means there are some headers you used to get back that you wouldn't anymore.
16:02:11 efried We seem to have tests for things we care about, like Accept.
16:02:38 efried I suppose it would be duly diligent of me to go find out exactly what that diff looks like...
16:05:01 efried thanks for the talk mriedem mordred stephenfin
16:10:57 openstackgerrit Merged openstack/python-novaclient stable/train: Update TOX/UPPER_CONSTRAINTS_FILE for stable/train https://review.opendev.org/683626
16:11:00 openstack bug 1845322 in python-novaclient train "'--hint' argument to 'nova boot ' should be a key-value pair" [Low,In progress] https://launchpad.net/bugs/1845322 - Assigned to Stephen Finucane (stephenfinucane)
16:11:00 openstackgerrit Merged openstack/python-novaclient master: Add release note for bug 1845322 https://review.opendev.org/685986
16:12:33 openstackgerrit Matt Riedemann proposed openstack/nova master: Add Selection.availability_zone field https://review.opendev.org/685807
16:12:34 openstackgerrit Matt Riedemann proposed openstack/nova master: Handle get_host_availability_zone error during reschedule https://review.opendev.org/685997
16:12:35 openstack bug 1781286 in OpenStack Compute (nova) "CantStartEngineError in cell conductor during reschedule - get_host_availability_zone up-call" [Medium,Triaged] https://launchpad.net/bugs/1781286 - Assigned to Matt Riedemann (mriedem)
16:12:35 openstackgerrit Matt Riedemann proposed openstack/nova master: Add functional regression test for bug 1781286 https://review.opendev.org/685998
16:26:41 openstackgerrit Balazs Gibizer proposed openstack/nova master: Do not print default dicts during heal_allocations https://review.opendev.org/686001
16:29:45 gibi mriedem: finally ticked off this TODO as well ^^
16:32:02 mriedem ack, would be nice to see that in https://review.opendev.org/#/c/669879/ but i won't make you rebase it
16:32:23 mriedem maybe time to nudge efried and/or stephenfin to come back on ^
16:32:29 mriedem though stephen had comments
16:33:27 mriedem unrelated, while writing a resize reschedule test i realize that if we fail the resize claim we temporarily put the instance into ERROR state while rescheduling, and it will end up that way if rescheduling fails, which seems wrong b/c we didn't actually do anything with the guest, we just failed a claim
16:33:31 mriedem dansmith: agree? ^
16:34:15 dansmith agree with what? that leaving it in error state is wrong?
16:34:19 mriedem yeah
16:34:33 mriedem we should just fail the resize, mark the migration as error, inject a fault, etc
16:34:38 mriedem but the vm_state should still be active or stopped
16:35:50 dansmith I dunno, I guess I thought it was always a design goal that ERROR is your indication that something failed, and you start or stop the instance to get it back to normal state
16:36:26 mriedem that's a pretty big hammer for a user when resize fails b/c they lost a claim race
16:36:30 mriedem and the guest is otherwise untouched

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