Friday, 2020-05-08

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slaweq_#startmeeting neutron_drivers14:00
openstackMeeting started Fri May  8 14:00:03 2020 UTC and is due to finish in 60 minutes.  The chair is slaweq_. Information about MeetBot at http://wiki.debian.org/MeetBot.14:00
openstackUseful Commands: #action #agreed #help #info #idea #link #topic #startvote.14:00
*** openstack changes topic to " (Meeting topic: neutron_drivers)"14:00
openstackThe meeting name has been set to 'neutron_drivers'14:00
slaweq_#chair slaweq14:00
openstackWarning: Nick not in channel: slaweq14:00
openstackCurrent chairs: slaweq slaweq_14:00
*** slaweq_ is now known as slaweq14:00
slaweqhello14:00
mlavalleo/14:00
haleybhi, glad we have a backup slaweq in the channel :)14:00
njohnston_o/14:00
yamamotohi14:01
slaweq:)14:01
amotokihi14:01
slaweqI think we can start14:01
slaweq#topic RFEs14:01
*** openstack changes topic to "RFEs (Meeting topic: neutron_drivers)"14:01
slaweqwe have 2 RFEs for today14:01
slaweqfirst one:14:01
ralonsohhi14:01
slaweqhttps://bugs.launchpad.net/neutron/+bug/1875516 - [RFE] Allow sharing security groups as read-only14:01
openstackLaunchpad bug 1875516 in neutron "[RFE] Allow sharing security groups as read-only" [Wishlist,New]14:01
slaweqproposed by rm_work14:02
njohnston_there is also a proposed spec here: https://review.opendev.org/#/c/724207/2/specs/ussuri/share-security-groups-readonly.rst,unified14:03
patchbotpatch 724207 - neutron-specs - Allow sharing security groups as read-only - 2 patch sets14:03
slaweqthx njohnston_ :)14:03
njohnston_Personally I think this makes a lot of sense14:04
njohnston_and it will be very useful in a private cloud situation where a centralized group can develop and share security policies14:04
mlavalle+114:04
amotokiit makes sense to me too. I think it is a common usecase to share a sg with read-only14:04
slaweqI'm also fine with this rfe and spec14:05
slaweqI think that this is also like that in fwaas, right?14:05
slaweqbut I'm not sure if it can be readonly there14:05
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ralonsoh+1 to this idea, makes sense14:06
amotokiIIRC in case of fwaas we just support  'shared' so it would be read-only14:06
slaweqamotoki: ok, thx for confirmation14:07
njohnston_Yes, the shared attribute served much the same purpose14:08
slaweqmlavalle: do You know if rm_work is going to implement that?14:08
mlavallehe is14:08
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slaweqgreat14:08
mlavalleand if he doesn't, we, Verizon Media, will implement it14:08
mlavallewe need it14:08
slaweqand this can be later reused for other resources if needed14:09
slaweqso I'm +1 for this RFE14:09
njohnston_indeed14:09
njohnston_I am glad that we're incorporating some of the value of fwaas into the mainline since fwaas is terminal14:09
mlavallewe are also doing it with the group adrees stuff14:09
mlavalleinciorporating it to sg14:10
njohnston_ yep14:10
njohnston_it is a good thing14:10
slaweqhaleyb: yamamoto: any thoughts?14:10
yamamotothis rfe seems fine to me14:10
haleyb+1 from me, seems useful to more than just SG perhaps later14:10
slaweqgreat, so I'm going to mark this rfe as approved then and track it for Victoria14:11
slaweqthx14:11
slaweqlet's move on to the second one14:11
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slaweqhttps://bugs.launchpad.net/neutron/+bug/1873091/ - [RFE] Neutron ports dns_assignment does not match the designate DNS records for Neutron port14:11
openstackLaunchpad bug 1873091 in neutron "[RFE] Neutron ports dns_assignment does not match the designate DNS records for Neutron port" [Wishlist,Triaged]14:11
slaweqthis is going back to use again :)14:11
slaweqmlavalle: as You were involved in that in the past maybe You can do some introduction of the problem :)14:12
mlavalleyes14:12
mlavallewe implemented internal DNS resolution back in LIberty according to this spec: https://specs.openstack.org/openstack/neutron-specs/specs/liberty/internal-dns-resolution.html14:13
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mlavalleand that's the behavior that we have enforced so far14:14
mlavallehowever, that behavior is proving to be too restrictive for some use cases that have arisen more recently14:14
amotokithe original spec did not cover dns_domain field for a port. "dns_domain for ports" extension was implemented later.14:15
amotokiis my understanding correct?14:15
mlavalleyes, but what is restricting this behavior is dns_domain in neutron.conf14:15
mlavallethe dns_assignment field is built form what is configured in neutron.conf14:16
njohnston_I just have to say that I have always found the whole DNS situation between nova, neutron, and designate very confusing so I would welcome anything that makes it simpler.14:17
mlavalleand then, yes, dns_domain was added as an attribute to networks and ports later for the purpose of integrating with DEsignate or another external DNSaaS14:17
slaweqI remember we had such discussion in the past - we even merged some patches to change that behaviour and later we reverted them14:19
slaweqand I agree that it is a mess now14:19
mlavalleyes, because at that point we didn't have strong use cases to expand the behavior. But now we have two of them, indicated in the RFE14:19
mlavalleso my thinking is that we should open up the behavior to encompass new use cases while maintaining backwards compatibility, which is what triggred the revert14:21
mlavallewe could go through a detailed spec to normalize the behavior to everybody's liking while maintaining backwards compatibility14:22
njohnston_I agree with mlavalle.  Does this require any changes that would need to be coordinated with designate or can we do all the work internal to neutron?14:22
mlavalleit's internal14:22
njohnston_very good14:22
mlavallethe integration with external DNSaaS won't be touched14:23
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amotokiI think the main point of this RFE is that dns_assignments field in a port can be different from corresponding DNS records in designate.14:23
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mlavalleyes14:24
amotokiI don't fully understand what happens when we sync dns_assignments field in this case.14:24
mlavallethat's part of the issue14:24
amotokianyway I agree we need to clarify our behavior and how we can improve it.14:24
slaweqso in fact we have:14:25
mlavallewith the experience that we have now, we can write a good spec and move forward with this14:25
slaweq1. domain_name in the config file - this one is used to build dns_assignment14:25
slaweq2. domain_name in the network object - this one is used designate14:25
slaweqis that correct?14:25
mlavalleand14:25
mlavalle3. dns_domain in port14:26
mlavallethe last 2 won't be affected by this proposal14:26
mlavallebecause those are for external DNSaaS integration14:26
slaweqsorry s/domain_name/dns_domain in my points :)14:26
mlavalleonly point 1 will be worked on14:27
mlavallewith a spec in the middle14:27
slaweqmlavalle: dns_domain in port can override dns_domain set for network, right?14:27
mlavalleyes14:27
slaweqok, so at least those 2 aren't unrelated to each other :)14:28
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mlavalleyeah, I never said those two were unrelated... only that they are targeted at external dns integration14:29
ralonsoh(It would be great to see a good document as an output of this RFE, just to have a good reference for developers and users)14:29
slaweqmlavalle: I know, I was just summarizing it for myself :)14:29
mlavalle;-)14:29
slaweqI agree that we will need spec to move forward with this14:30
slaweqbut my feeling is that we will then get back to what was the issue in https://bugs.launchpad.net/neutron/+bug/1826419 ;)14:30
openstackLaunchpad bug 1826419 in Ubuntu Cloud Archive queens "dhcp agent configured with mismatching domain and host entries" [Undecided,Fix committed]14:30
mlavallehjensas is also intereted on this14:30
slaweqso "revert of revert" :)14:30
mlavallewell, that is why I emphasized that for the purposes of the upcoming spec, we need to be careful in preserving the current behavior for those users who want it14:31
njohnston_I'm all in favor of this, I think this is an area that needs reform and it is most welcome.  A spec is definitely necessary and should also help demystify and disseminate understanding of how the dns integration works.14:32
slaweqmlavalle: are You going to propose such spec?14:32
mlavalleyes14:32
slaweqthx mlavalle14:32
mlavalletoegther with one of my co-workers, hamza14:32
slaweqso I think we can approve this RFE with a note that we first need detailed spec to demystify current situation and good plan of how to proceed with this14:34
slaweqwhat do You think?14:34
amotoki+114:34
njohnston_+114:34
ralonsoh+114:34
haleyb+114:34
yamamoto+114:35
slaweqthx14:36
slaweqI will summarize this discussion in comment to the LP14:36
slaweqthat's all what I had for today14:36
slaweqtopic #On Demand Agenda14:36
slaweqI have one short reminder14:36
slaweqPTG (virtual) will be in less than month14:37
slaweqplease add Your ideas of the topics for Neutron in https://etherpad.opendev.org/p/neutron-victoria-ptg14:37
slaweq:)14:37
slaweqand that's all from my side for today14:37
slaweqanything else You want to discuss today?14:37
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ralonsohno thanks14:38
amotokinothing from me14:38
njohnston_nothing here.  thanks all!14:38
yamamotonothing from me14:38
haleybnothing here14:38
amotokislaweq: it was really nice to have an agenda in the list14:38
njohnston_+1 thanks for doing that14:39
slaweqamotoki: thx, I will try to do my best to send it every week14:39
slaweqjust to let everyone to be better prepared to this meeting :)14:39
slaweqok, thx for attending14:39
slaweqand have a great weekend :)14:39
ralonsohbye14:40
slaweqbye14:40
slaweq#endmeeting14:40
*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/"14:40
openstackMeeting ended Fri May  8 14:40:06 2020 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)14:40
openstackMinutes:        http://eavesdrop.openstack.org/meetings/neutron_drivers/2020/neutron_drivers.2020-05-08-14.00.html14:40
openstackMinutes (text): http://eavesdrop.openstack.org/meetings/neutron_drivers/2020/neutron_drivers.2020-05-08-14.00.txt14:40
openstackLog:            http://eavesdrop.openstack.org/meetings/neutron_drivers/2020/neutron_drivers.2020-05-08-14.00.log.html14:40
amotokio/14:40
yamamotogood night14:40
njohnston_o/14:40
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mlavalleo/14:40
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