November 2019 - openstack-discuss

[all][neutron][neutron-vpnaas] Maintainers needed
by Slawek Kaplonski 06 Jan '20

06 Jan '20

Hi, Over the past couple of cycles we have noticed that new contributions and maintenance efforts for neutron-vpnaas were almost non existent. This impacts patches for bug fixes, new features and reviews. The Neutron core team is trying to at least keep the CI of this project healthy, but we don’t have enough knowledge about the details of the neutron-vpnaas code base to review more complex patches. During the PTG in Shanghai we discussed that with operators and TC members during the forum session [1] and later within the Neutron team during the PTG session [2]. During these discussions, with the help of operators and TC members, we reached the conclusion that we need to have someone responsible for maintaining project. This doesn’t mean that the maintainer needs to spend full time working on this project. Rather, we need someone to be the contact person for the project, who takes care of the project’s CI and review patches. Of course that’s only a minimal requirement. If the new maintainer works on new features for the project, it’s even better :) If we don’t have any new maintainer(s) before milestone Ussuri-2, which is Feb 10 - Feb 14 according to [3], we will need to mark neutron-vpnaas as deprecated and in “V” cycle we will propose to move the project from the Neutron stadium, hosted in the “openstack/“ namespace, to the unofficial projects hosted in the “x/“ namespace. So if You are using this project now, or if You have customers who are using it, please consider the possibility of maintaining it. Otherwise, please be aware that it is highly possible that the project will be deprecated and moved out from the official OpenStack projects. [1] https://etherpad.openstack.org/p/PVG-Neutron-stadium-projects-the-path-forw… [2] https://etherpad.openstack.org/p/Shanghai-Neutron-Planning-restored - Lines 379-421 [3] https://releases.openstack.org/ussuri/schedule.html -- Slawek Kaplonski Senior software engineer Red Hat

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[auto-scaling][self-healing] Discussion to merge two SIG to one
by Rico Lin 05 Jan '20

05 Jan '20

Dear all As we discussed in PTG about merge two SIG to one. I would like to continue the discussion on ML. In PTG, Eric proposes the idea to merge two SIG due to the high overlapping of domains and tasks. I think this is a great idea since, over the last 6 months, most of the discussions in both SIG are overlapped. So I'm onboard with this idea. Here's how I think we can continue this idea: 1. Create new SIG (maybe 'Automation SIG'? feel free to propose name which can cover both interest.) 2. Redirect docs and wiki to new SIG. And rework on index so there will be no confusion 3. Move repos from both SIGs to new SIG 4. Mark auto-scaling SIG and self-healing SIG as inactive. 5. remove auto-scaling SIG and self-healing SIG after a reasonable waiting time Let us know what you think about this. Otherwise, we definitely expect this to happen soon. -- May The Force of OpenStack Be With You, *Rico Lin*irc: ricolin

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[meta-sig][multi-arch] propose forming a Multi-arch SIG
by Rico Lin 05 Jan '20

05 Jan '20

Dear all In summit, there's a forum for ARM support [1] in Summit which many people show they're interested in ARM support for OpenStack. And since also we have Linaro shows interest in donating servers to OpenStack infra. It's time for community to think about what we should deal with those ARM servers once we have them in community infrastructure. One thing we should do as a community is to gather people for this topic. So I propose we create a Multi-arch SIG and aim to support ARM architecture as very first step. I had the idea to call it ARM SIG before, but since there might be high overlap knowledge between support ARM 64 and other architectures. I propose we go for Multi-arch instead. This SIG will be a nice place to collect all the documents, gate jobs, and to trace tasks. If you're also interested in that group, please reply to this email, introduce yourself and tell us what you would like the group scope and objectives to be, and what you can contribute to the group. [1] https://www.openstack.org/summit/shanghai-2019/summit-schedule/events/24355… -- May The Force of OpenStack Be With You, *Rico Lin*irc: ricolin

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[heat] Addressing the large patch backlog.
by David Peacock 23 Dec '19

23 Dec '19

Hi all, For those interested in the workings of the Heat project, I'd like to kick off a call to action. At the time of writing there are approximately 200 open patches against the core Heat project repo alone, not counting the other Heat repos. Recently I started going through and triaging the patches I'd consider "historical" with an arbitrary cut off for this definition of August 1st of this year. There are 148 patches which meet this definition, dating all the way back to 2015. I have gone through them all and placed them into a spreadsheet [0] which I'd invite you all to check. Provided is a link to the patch in question, initial upload date, last meaningful update date, primary author, and a high level summary of the patch. Additionally I've broken the patches down into three recommended states based on a high level first pass. *Abandon* 34 patches are candidates to be abandoned; they usually are of debatable utility, have significant outstanding concerns, or have no followup from the original developer in a very long time. In many cases, all of these conditions. *Without good reason or explanation from the original developer, these patches may ultimately be cleared out.* *Rebase + Merge* 38 patches are with a high level look in reasonably good shape, perform a stated goal, and may be trivial to core review and ultimately rebase and merge. *If you're the original developer or otherwise interested in these patches and wish to see them through the merge process, please rebase the patch.* *Research* 76 patches are sufficiently complex that they'll need a much closer look. Some of these patches are in a seemingly "finished" state, some are a way off. Some have unanswered concerns from core review and have been left dangling. *If you're the original developer or otherwise interested in working these patches through to completion, please do get involved.* When I started this little mission I wasn't quite sure what to expect. What I have found is that as much as there was anticipated cruft to clear out, there is a great deal of very good work lurking here, waiting to see the light of day, and it would be so good to see this work realised. :-) If you have anything to say, feel free to write back on list, and if you'd like to coordinate with me any efforts with these patches I can be found by email or on Freenode in the #heat channel; I'm dpeacock. Based on feedback of this idea, and indeed on each individual patch, I hope we can get this backlog under control, and harvest some of this excellent code! Thank you, David Peacock [0] https://ethercalc.openstack.org/b3qtqyhkg9g1 Please be mindful of accidental edits.

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State of the Gate
by Matt Riedemann 20 Dec '19

20 Dec '19

Things are great! Surprise! I just wanted to let everyone know. Later! . . . . . Now that you've been tricked, on Halloween no less, I'm here to tell you that things suck right now. This is your periodic digest of issues. Grab some fun-sized candy bars and read on. I think right now we have three major issues. 1. http://status.openstack.org/elastic-recheck/index.html#1763070 This has resurfaced and I'm not sure why, nor do I think we ever had a great handle on what is causing this or how to work around it so if anyone has new ideas please chip in. 2. http://status.openstack.org/elastic-recheck/index.html#1844929 I've done some digging into this one and my notes are in the bug report. It mostly affects grenade jobs but is not entirely restricted to grenade jobs. It's also mostly on OVH and FortNebula nodes but not totally. From looking at the mysql logs in the grenade jobs, mysqld is (re)started three times. I think (1) for initial package install, (2) for stacking devstack on the old side, and (3) for stacking devstack on the new side. After the last restart, there are a lot of aborted connection messages in the msyql error log. It's around then that grenade is running post-upgrade smoke tests to create a server and the nova-scheduler times out communicating with the nova_cell1 database. I have a few patches up to grenade/devstack [1] to try some things and get more msyql logs but so far they aren't really helpful. We need someone with some more mysql debugging experience to help here, maybe zzzeek or mordred? 3. CirrOS guest SSH issues There are several (some might be duplicates): http://status.openstack.org/elastic-recheck/index.html#1848078 http://status.openstack.org/elastic-recheck/index.html#1808010 (most hits) http://status.openstack.org/elastic-recheck/index.html#1463631 http://status.openstack.org/elastic-recheck/index.html#1849857 http://status.openstack.org/elastic-recheck/index.html#1737039 http://status.openstack.org/elastic-recheck/index.html#1840355 http://status.openstack.org/elastic-recheck/index.html#1843610 A few notes here. a) We're still using CirrOS 0.4.0 since Stein: https://review.opendev.org/#/c/521825/ And that image was published nearly 2 years ago and there are no newer versions on the CirrOS download site so we can't try a newer image to see if that fixes things. b) Some of the issues above are related to running out of disk in the guest. I'm not sure what is causing that, but I have posted a devstack patch that is related: https://review.opendev.org/#/c/690991 tl;dr before Stein the tempest flavors we used had disk=0 so nova would fit the root disk to the size of the image. Since Stein the tempest flavors specify root disk size (1GiB for the CirrOS images). My patch pads an extra 1GiB to the root disk on the tempest flavors. One side effect of that is the volumes tempest creates will go from 1GiB to 2GiB which could be a problem if a lot of tempest volume tests run at the same time, though we do have a volume group size of 24GB in gate runs so I think we're OK for now. I'm not sure my patch would help, but it's an idea. As for the other key generation and dhcp lease failures, I don't know what to do about those. We need more eyes on these issues to generate some ideas or see if we're doing something wrong in our tests, e.g. generating too much data for the config drive? Not using config drive in some cases? Metadata API server is too slow (note we cache the metadata since [2])? Other ideas on injecting logs for debug? [1] https://review.opendev.org/#/q/topic:bug/1844929+status:open [2] https://review.opendev.org/#/q/I9082be077b59acd3a39910fa64e29147cb5c2dd7 -- Thanks, Matt

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[resource-management-sig] Status of the "Resource Management" SIG
by Thierry Carrez 18 Dec '19

18 Dec '19

Hi, I was wondering about the status of the Resource Management SIG... It's been "forming" according to https://wiki.openstack.org/wiki/Res_Mgmt_SIG since January 2018... And I could'nt find a reference or log to any meeting after that. Does anyone have updated status on this one? Should it be removed from the list of active SIGs at https://governance.openstack.org/sigs/ ? -- Thierry Carrez (ttx)

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Re: [OpenStack Foundation] [tc][board][all] - Adding OpenStack community support to the savedotorg campaign
by Graham Hayes 16 Dec '19

16 Dec '19

On 26/11/2019 16:44, Alan Clark wrote: > Who owns savedotorg.org? I see EFF references on the page but when I look it up the domain it appears to all be "REDACTED". >From https://savedotorg.org/index.php/about/ - it is ran by NTEN (https://www.nten.org/) It is supported by the EFF (among others) > >> -----Original Message----- >> From: Graham Hayes [mailto:gr@ham.ie] >> Sent: Tuesday, November 26, 2019 9:35 AM >> To: Jimmy McArthur <jimmy(a)openstack.org> >> Cc: openstack-discuss(a)lists.openstack.org; foundation- >> board(a)lists.openstack.org; foundation(a)lists.openstack.org >> Subject: Re: [OpenStack Foundation] [tc][board][all] - Adding OpenStack >> community support to the savedotorg campaign >> >> On 26/11/2019 16:16, Jimmy McArthur wrote: >>> From my reading of the situation, it’s a done deal. It seems like ICAAN just >> crammed it through. Is there new info out that could reverse it? >>> >>> Thanks, >>> Jimmy >> >> My understanding is it looks bleak, but there is a chance to shame the owners >> into halting the sale. >> >> I think ICAAN can still block the same (until December 13th, 30 days after they >> were notified), and through pure poor marketing, and raising our voices, this >> could help convince the current owners of PIR (who is ISOC) to re-consider the >> idea. >> >> >>>> On Nov 26, 2019, at 8:50 AM, Amy <amy(a)demarco.com> wrote: >>>> >>>> I agree with the OSF submitting on behalf of OpenStack and the other projects. >> I also like the idea of individuals signing as contributors. >>>> >>>> Amy Marrich (spotz) >>>> >>>>>> On Nov 26, 2019, at 8:17 AM, Sean McGinnis <sean.mcginnis(a)gmail.com> >> wrote: >>>>>> >>>>>> On Tue, Nov 26, 2019 at 7:00 AM Graham Hayes <gr(a)ham.ie> wrote: >>>>>> >>>>>> Hey All, >>>>>> >>>>>> I am not sure if this has been seen by everyone or not - but there >>>>>> is a change in how the .org top level domain is being ran in the >>>>>> works, in a way that may not be in the best interests of the non >>>>>> profits that it was created to facilitate. [1] >>>>>> >>>>>> A lot of well known non profits have already joined, and as a >>>>>> community that has an interest in the internet as a whole, and uses >>>>>> a .org domain, I think we should add our voice in support. >>>>>> >>>>>> What do people think? Are we happy to have the TC use its voice on >>>>>> behalf of the OpenStack project, or do we think the board should >>>>>> use its voice on behalf of the entire foundation? >>>>>> >>>>>> - Graham >>>>>> >>>>>> >>>>>> 1 - https://savedotorg.org/ >>>>>> >>>>> >>>>> I agree this is a Foundation level thing (though individuals can add >>>>> their names to the petition as well). I would support adding OSF to >>>>> the list of organizations. >>>>> >>>>> Sean >>>>> >>>> >>>> _______________________________________________ >>>> Foundation mailing list >>>> Foundation(a)lists.openstack.org >>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/foundation >>> >> >> >> _______________________________________________ >> Foundation mailing list >> Foundation(a)lists.openstack.org >> http://lists.openstack.org/cgi-bin/mailman/listinfo/foundation

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[nova][ptg] Continue QoS port support
by Balázs Gibizer 14 Dec '19

14 Dec '19

Hi Novas! Here is my summarized plans for Ussuri about continuing the work on supporting qos neutron ports (those that has bandwidth resource request) in nova. What is missing: * Tempest coverage is missing for migrate and resize support that is merged in Train. This work is already underway and bugs has been caught [1][2] * Support evacuate, live migrate, unshelve. The work is described in [3][4] and the first set of patches for the evacuation support is up for review [5] * Support for cross cell resize with qos port needs some work. Matt prepared the cross cell resize code already in a way that no new RPC change will be needed [6] and I have a plan what to do [7]. * InstancePCIRequest persists parent_ifname during migration but the such change is not rolled back if the migration fails. This is ugly but I think it does not cause any issues [8]. I will look into this to remove the ugliness. The bandwidth support for the nova-manage heal_allocation tool was merged in Train. Originally I planned to backport that to Stein but that patch grown so big and incorporated may refactors along the way that I'm not sure any more that it is reasonable to backport it. I'm now thinking about keeping it as-is and suggesting operators to install Train nova in a virtualenv to run heal allocations for bandwidth aware servers if needed in Stein. I do have to run some manual tests to see if it actually works. Any feedback is welcome! cheers, gibi [1] https://bugs.launchpad.net/nova/+bug/1849695 [2] https://bugs.launchpad.net/nova/+bug/1849657 [3] https://blueprints.launchpad.net/nova/+spec/support-move-ops-with-qos-ports… [4] https://specs.openstack.org/openstack/nova-specs/specs/ussuri/approved/supp… [5] https://review.opendev.org/#/q/status:open+project:openstack/nova+branch:ma… [6] https://review.opendev.org/#/c/635080/43/nova/compute/manager.py@5375 [7] https://review.opendev.org/#/c/633293/49/nova/compute/manager.py@4742 [8] https://review.opendev.org/#/c/688387/6/nova/compute/manager.py@3404

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[nova][cinder][ops] question/confirmation of legacy vol attachment migration
by Matt Riedemann 06 Dec '19

06 Dec '19

Hello Cinderinos, I've now got a working patch that migrates legacy volume attachments to new style v3 attachments [1]. The fun stuff showing it working is in this paste [2]. We want to do this data migration in nova because we still have a lot of compatibility code since Queens for pre-v3 style attachments and we can't remove that compatibility code (ever) if we don't first make sure we provide a data migration routine for operators to roll through. So for example if this lands in Ussuri we can can enforce a nova-status upgrade check in V and rip out code in X. Without digging into the patch, this is the flow: 1. On nova-compute restart, query the nova DB for instances on the compute host with legacy volume attachments. 2. For each of those, create a new style attachment with the host connector and update the BlockDeviceMapping information in the nova DB (attachment_id and connection_info). 3. Delete the existing legacy attachment so when the server is deleted the volume status goes back to 'available' due to proper attachment reference counting in the Cinder DB. My main question is on #3. Right now I'm calling the v3 attachment delete API rather than the v2 os-terminate_connection API. Is that sufficient to cleanup the legacy attachment on the storage backend even though the connection was created via os-initialize_connection originally? Looking at the cinder code, attachment_delete hits the connection terminate code under the covers [3]. So that looks OK. The only thing I can really think of is if a host connector is not provided or tracked with the legacy attachment, is that going to cause problems? Note that I think volume drivers are already required to deal with that today anyway because of the "local delete" scenario in the compute API where the compute host that the server is on is down and thus we don't have a host connector to provide to Cinder to terminate the connection. So Cinder people, are you OK with this flow? Hello Novaheads, Do you have any issues with the above? Note the migration routine is threaded out on compute start so it doesn't block, similar to the ironic flavor data migration introduced in Pike. One question I have is if we should add a config option for this so operators can enable/disable it as needed. Note that this requires nova to be configured with a service user that has the admin role to do this stuff in cinder since we don't have a user token, similar to nova doing things with neutron ports without a user token. Testing this with devstack requires [4]. By default [cinder]/auth_type is None and not required so by default this migration routine is not going to run so maybe that is sufficient? Hello Operatorites, Do you have any issues with what's proposed above? [1] https://review.opendev.org/#/c/549130/ [2] http://paste.openstack.org/show/781063/ [3] https://github.com/openstack/cinder/blob/410791580ef60ddb03104bf20766859ed9… [4] https://review.opendev.org/#/c/685488/ -- Thanks, Matt

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[neutron] Proposing Jakub Libosvar as Neutron core reviewer
by Slawek Kaplonski 05 Dec '19

05 Dec '19

Hi neutrinos, We already started process of migrating networking-ovn driver to be one of in-tree neutron drivers. Blueprint for that is [1]. As part of this process I today proposed to include networking-ovn-core group into neutron-core group. Mail about it can be found at [2]. One of persons in networking-ovn-group is Jakub Libosvar who was Neutron core for very long time in the past. He knows very well not only ovn related code but also have great knowledge about all Neutron code base. So I would like to propose to Jakub as Neutron core reviewer again as he will be back working on neutron again now, after ovn will be in-tree driver. What do You think about it? I will wait for Your opinions for 1 week from now. Thx for all Your comments about it. [1] https://blueprints.launchpad.net/neutron/+spec/neutron-ovn-merge [2] http://lists.openstack.org/pipermail/openstack-discuss/2019-November/011240… — Slawek Kaplonski Senior software engineer Red Hat

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