Thursday, 2017-11-16

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openstackgerritMerged openstack/python-manilaclient master: Updated from global requirements  https://review.openstack.org/51980404:15
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openstackgerritzhongjun proposed openstack/manila master: [policy in code] Add support for share instance export location resource  https://review.openstack.org/50705404:39
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openstackgerritAkihiro Motoki proposed openstack/manila-ui master: Drop django_openstack_auth from requirements.txt  https://review.openstack.org/52031006:33
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openstackgerritArne Wiebalck proposed openstack/puppet-manila master: Fix typos: Remove "native" from cephfs backend driver  https://review.openstack.org/51965507:25
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openstackgerritOpenStack Proposal Bot proposed openstack/manila master: Updated from global requirements  https://review.openstack.org/52042611:09
openstackgerritOpenStack Proposal Bot proposed openstack/manila-ui master: Updated from global requirements  https://review.openstack.org/52042711:09
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openstackgerritMerged openstack/manila master: Updated from global requirements  https://review.openstack.org/52042612:36
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openstackgerritMerged openstack/manila-ui master: Updated from global requirements  https://review.openstack.org/52042715:34
gansoare we going to continue topics or IPv6 discussion over here?16:01
bswartzganso: do you want to push a patch that changes the check in driver.py?16:01
gansobswartz: I am trying to grasp a better idea of how that patch should look like16:01
bswartzhave you looked at exactly what the (theoretically) correct check would be?16:01
bswartzgmm16:01
bswartzhmm16:02
gansobswartz: based on our discussion, one possible conclusion is that the driver needs to return the 'ipv6_support' field in the capabilities dict16:02
bswartzGive me a bit to think about why it might make sense to have separate assertions about ipv4/ipv6 support in update_share_stats() vs get_configed_ip_version()16:02
bswartzganso: today that's true, but I don't see why the ShareDriver class can't simply insert that value itself16:03
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gansobswartz: thinking about it, yea we could redesign that logic. It seems to me the driver has 2 sole responsibilities: 1) report if ipv6 is implemented. This could be a static ipv6_implemented = True. The other should be if ipv6 is active for the current network configuration16:03
bswartzthe real question is: is there ANY valid reason to have ipv4/ipv6_support NOT match the values returned by get_configed_ip_version()16:03
bswartzif yes, then the code stays the way it is16:04
bswartzif not, then we should change it16:04
bswartzganso, zhongjun: ^16:04
gansoget_configured_ip_version should return the realtime value, so there is no need for returning it in capabilities.16:05
gansoFor everything else it should look at driver.ipv6_implemented16:05
gansocurrently manila core code is looking at 3 flags, not 216:05
bswartzwhether we call get_configured_ip_version() one time or every 60 seconds is another issue I think16:13
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bswartzthe main question is if there's a good reason to tell the scheduler something different than what the driver tells the share manager16:13
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bswartzhttps://github.com/openstack/manila/blob/master/manila/share/drivers/lvm.py#L17317:35
bswartzhttps://github.com/openstack/manila/blob/master/manila/share/drivers/lvm.py#L21917:35
bswartzhttps://github.com/openstack/manila/blob/master/manila/share/drivers/lvm.py#L43517:35
bswartzgouthamr: ^17:35
bswartzthat's what ganso is referring to when he says 317:35
gouthamrbswartz: so line L219 can, instead of defaulting to True, call get_configured_ip_version17:36
gouthamrbswartz: probably just once and remember the result17:36
bswartzgouthamr: yes but the parent class should do that17:36
bswartznot every driver17:36
gouthamryes, that would be a good optimization in driver.py17:40
gansobswartz, gouthamr: anyone against calling get_configured_ip_version on every capabilities update?17:48
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openstackgerritRaissa Sarmento proposed openstack/manila master: [wip] Remove in-tree tempest plugin  https://review.openstack.org/51230017:49
gouthamrganso: i'd agree with calling it in driver.py during _update_share_stats() (calling a memoized version for optimization)17:50
bswartzganso: we should look at the existing implementations of that method and make sure none of them are particularly inefficient17:50
gouthamrand fixing the LVM driver so it doesn't do the wrong thing by overriding that to True17:50
bswartzit could be that a driver assumes it can be slow because it's called just once17:50
gansogouthamr: what if the backend configuration changes without a driver restart? are we at all interested in covering this use case?17:52
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gouthamrganso: that use case is not very much different from someone changing export IP addresses on the backend and not reconciling that in manila17:54
gansogouthamr: so we don't need runtime values. If we don't care about that, then we can just simplify the function in driver.py. That function already memoizes the result17:55
bswartzit's tough because something bad will always happen if you add/remove IPs from a backend with existing shares17:55
bswartzadding IPs is less bad than removing them or changing them17:55
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bswartzI think our stance in the past has generally been: you can never remove/change an IP without deleting all the shares first or hacking the database to fix up the existing shares17:56
bswartzand adding an IP is okay if you restart the backend17:56
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dustinsgouthamr: ping19:13
openstackgerritAndreas Jaeger proposed openstack/manila-ui master: Remove setting of version/release from releasenotes  https://review.openstack.org/52069619:18
gouthamrdustins: pong19:25
dustinsgouthamr: Welcome back :) Quick question about setting API microversion with the Manila client19:25
gouthamrdustins: thanks... yep, wassup19:26
dustinsgouthamr: How do I do that?19:26
dustinshahaha19:26
gouthamroh19:26
gouthamr--os-share-api-version19:26
gouthamrlike: manila --os-share-api-version 2.17 list19:27
gouthamryou can also export an env variable: OS_SHARE_API_VERSION19:28
dustinsgouthamr: That's...remarkably easy19:29
dustinsFigured it was a keyword option or something19:30
dustinsThanks!19:30
gouthamrdustins: you're welcome..19:30
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openstackgerritAndreas Jaeger proposed openstack/python-manilaclient master: Remove setting of version/release from releasenotes  https://review.openstack.org/52072919:44
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