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#openstack-nova - 2019-07-02
20:58:09 efried k
20:58:10 melwitt efried: yeah, I mentioned what I did bc I read it
20:58:16 efried k
20:58:36 efried thanks for the followup
20:58:37 melwitt at the very least for any potential downstream-only endeavor
20:59:46 sean-k-mooney i takeign booting windows to run the clear-tpm powershell commadn is not a thing we cand do :) https://docs.microsoft.com/en-us/powershell/module/trustedplatformmodule/clear-tpm?view=win10-ps
21:00:03 sean-k-mooney its rare that all the hits i get in google are for windows
21:00:26 melwitt if there were a way we could query the tpm device to know whether it's clear/ready, then IMO it seems similar enough to pci passthrough and not so bad
21:00:58 melwitt but since there's not, then I agree it doesn't fit
21:01:41 sean-k-mooney apparent there is a tpm_clear command
21:01:58 mriedem we have also done a poor job at times of tracking allocated pci devices
21:02:07 sean-k-mooney just reading https://resources.infosecinstitute.com/linux-tpm-encryption-initializing-and-using-the-tpm/#gref
21:02:10 openstackgerrit Merged openstack/nova stable/rocky: libvirt: Rework 'EBUSY' (SIGKILL) error handling code path https://review.opendev.org/667436
21:02:35 mriedem e.g. https://review.opendev.org/#/q/I6e871311a0fa10beaf601ca6912b4a33ba4094e0
21:02:52 melwitt aye
21:03:33 sean-k-mooney it looks like clearing the tpm makes it unowned and disablses it which requries a reboot to fix
21:03:57 melwitt yeah, that's what efried was saying earlier. it's a two-step deal
21:06:04 sean-k-mooney ya diging a bit deeper it looks like linux cant actully clear teh tpm its self for security reason and its actully the uefi on reboot that is clearing it
21:06:25 sean-k-mooney so ya based on that i think this is a non starter
21:07:03 sean-k-mooney we we need to do is impove qemu to make vTPM more secure by not storign the encryption key on the host
21:07:19 sean-k-mooney perhaps by storign it in the host tpm
21:07:35 sean-k-mooney or barbacan or some other keystore
21:08:27 melwitt yeah, qemu enhancement is needed. I'm not sure if that's on their radar already. could ask kashyap maybe
21:09:39 efried it is
21:10:01 efried just not going to be ready in time for T
21:10:22 melwitt ah ok
21:31:55 sean-k-mooney efried: gibi so have we talked about how we handel move operations for the encryped image spec https://review.opendev.org/#/c/608696/8/specs/train/approved/image-encryption.rst@285
21:32:51 sean-k-mooney i would be in faovr of supporting this as an experimenal feature without them but im hopping at least cold migraiton and live migration might work
21:33:07 sean-k-mooney rescue,shelve and cross cell resize might be tricker
21:33:25 sean-k-mooney if we have snapshot working it shoudl be possibel to support them however
21:33:41 efried sean-k-mooney: I wouldn't expect this to affect lifecycle operations
21:34:11 efried because the change is in the image processing layer
21:34:27 sean-k-mooney well for rescuse we are temporaily booting the instance with a different image but we still need to be able to decypt its disks
21:34:52 efried The disk is not encrypted at that point.
21:35:04 efried this isn't like LUKSing the boot disk.
21:35:06 sean-k-mooney and for shelve/cross cell resize we need to ensure we create encrypted snapshots for encrypted instances
21:35:24 efried This is encrypting it in glance. It gets decrypted when it's copied into the instance's storage.
21:35:39 sean-k-mooney the instaces storage is also encrypted
21:35:49 sean-k-mooney its not stored decyped on the compute node
21:35:56 efried um
21:36:03 efried then I wildly misunderstood the spec
21:36:39 sean-k-mooney "Using encrypted storage backends for volume and compute hosts in conjunction
21:36:41 sean-k-mooney with direct data transfer from/to encrypted images can enable workflows that
21:36:43 sean-k-mooney never expose an image's data on a host's filesystem.
21:36:45 sean-k-mooney "
21:37:01 efried right, but "using encrypted storage backends" is not part of this spec
21:37:06 efried that's already supported
21:38:29 sean-k-mooney right but that means on the host the iamge is still encrypted as its streamed into an encpted file
21:39:12 sean-k-mooney so when you do a nova rescue and you boot form a different image you still need to pass the encyption key to qemu so it can open that encypted file a use it
21:39:26 efried Not "still encrypted". decrypted to clear, then re-encrypted with a different key (and possibly a different algorithm, etc)
21:40:09 efried so yes, *if* your storage backend is encrypted, regardless of whether you're using *image* encryption (this feature), then you'll need to manage slinging keys around.
21:40:15 sean-k-mooney the decypted to clear happens in memory. but when i was referign to still encrypted i ment after it was re encrypted
21:40:31 efried I'm saying they're separate and unrelated.
21:40:33 sean-k-mooney ok so long as that all works that is cool
21:40:39 efried I think
21:40:50 sean-k-mooney i just was suprised that it was never mention in the spec
21:43:44 sean-k-mooney i could cahcne my +1 to a -1 i guess until josephine seifert replies to confirm but i whould have expect this to at least be mentioned in the spec if all it was is "it jsut works"
22:12:27 mriedem dansmith: you know how this set_host_enabled is a blocking rpc call? if this is an ironic compute service managing 1000 compute nodes (1000 resource providers) and we have to sync the trait on all of them, i'm not sure if that would take more than 60 seconds but it might - thinking this change should use the long_rpc_timeout for that call now - agree?
22:21:27 mriedem weee looks like the gate is crapping itself too atm
22:23:00 openstackgerrit Merged openstack/nova-specs master: Policy Default Refresh spec https://review.opendev.org/547850
22:26:24 dansmith mriedem: yeah makes sense to make it a long rpc call
22:26:55 dansmith mriedem: even for the single compute case, if placement is bogged or something, we could still take a while to set the trait
22:31:13 openstackgerrit Merged openstack/nova stable/queens: Restore connection_info after live migration rollback https://review.opendev.org/662471
22:35:54 mriedem melwitt: can you hit this remaining queens backport? https://review.opendev.org/#/c/629597/
22:47:51 openstackgerrit Merged openstack/nova-specs master: Spec: Use OpenStack SDK in Nova https://review.opendev.org/662881
22:50:06 sean-k-mooney heh if only the rest of the repo had a 10 minute merge trun around time
23:06:54 openstackgerrit Matt Riedemann proposed openstack/nova master: Sync COMPUTE_STATUS_DISABLED from API https://review.opendev.org/654596
23:07:15 mriedem it is done https://review.opendev.org/#/q/topic:bp/pre-filter-disabled-computes+(status:open+OR+status:merged)
23:08:23 openstackgerrit Merged openstack/nova-specs master: Libvirt: add vPMU spec for train https://review.opendev.org/651269
23:09:25 sean-k-mooney mriedem: as in you have split it out int different patches and its now ready for review?
23:09:33 mriedem hells yeah
23:09:37 mriedem it's glorious
23:10:16 sean-k-mooney cool im poking at similar code for my own prefilter stuff so ill see if ther are any trick i shoudl "borrow" form my onw stuff
23:10:58 sean-k-mooney mriedem: did you drop the custom trait stuff since os-tratis 1.15 is released
23:11:03 mriedem yes
23:11:08 mriedem technically efried did that for me
23:11:21 sean-k-mooney cool
#openstack-nova - 2019-07-03
00:40:10 melwitt alex_xu: hey, would appreciate to have your thoughts on the unified limits spec around the proxy API/deprecation and migration parts https://review.opendev.org/602201
00:40:36 melwitt *especially the proxy API/deprecation and migration parts
00:45:24 openstackgerrit Merged openstack/nova stable/rocky: Init HostState.failed_builds https://review.opendev.org/668520
00:45:31 openstackgerrit Merged openstack/nova master: Stabilize unshelve notification sample tests https://review.opendev.org/668675
01:21:45 openstackgerrit Merged openstack/nova stable/queens: Fail to live migration if instance has a NUMA topology https://review.opendev.org/629597
02:06:59 openstackgerrit Merged openstack/nova stable/queens: libvirt: Avoid using os-brick encryptors when device_path isn't provided https://review.opendev.org/656464
06:17:01 openstackgerrit Artom Lifshitz proposed openstack/nova master: [WIP] Introduce live_migration_claim() https://review.opendev.org/635669
06:17:02 openstackgerrit Artom Lifshitz proposed openstack/nova master: New objects for NUMA live migration https://review.opendev.org/634827
06:17:03 openstackgerrit Artom Lifshitz proposed openstack/nova master: LM: add support for updating NUMA-related XML on the source https://review.opendev.org/635229
06:17:03 openstackgerrit Artom Lifshitz proposed openstack/nova master: LM: add support for sending NUMAMigrateData to the source https://review.opendev.org/634828
06:17:04 openstackgerrit Artom Lifshitz proposed openstack/nova master: NUMA live migration support https://review.opendev.org/634606
06:17:04 openstackgerrit Artom Lifshitz proposed openstack/nova master: RPC changes to prepare for NUMA live migration https://review.opendev.org/634605
06:17:05 openstackgerrit Artom Lifshitz proposed openstack/nova master: CONF.enable_numa_live_migration is not needed >= Train https://review.opendev.org/640021
07:02:59 openstackgerrit Yongli He proposed openstack/nova master: Add server sub-resource topology API https://review.opendev.org/621476
07:25:22 openstackgerrit Balazs Gibizer proposed openstack/nova stable/stein: Stabilize unshelve notification sample tests https://review.opendev.org/668806
07:34:06 openstackgerrit Lee Yarwood proposed openstack/nova master: Get rid of args to RBDDriver.__init__() https://review.opendev.org/668564
07:52:02 openstackgerrit Lee Yarwood proposed openstack/nova master: libvirt: Remove unreachable native QEMU iSCSI initiator config code https://review.opendev.org/668750
08:37:32 openstackgerrit Boxiang Zhu proposed openstack/nova master: Make evacuation respects anti-affinity rule https://review.opendev.org/649963
08:47:40 kashyap johnthetubaguy: You about by any chance? If so, the Secure Boot spec requires the final +2 (& a +W), assuming you're satisfied with all the things I've addressed: https://review.opendev.org/#/c/506720/
09:57:28 kashyap alex_xu: Hi, maybe you can give the final ACK (if you don't spot anything else): https://review.opendev.org/649963
11:23:34 openstackgerrit Josephine Seifert proposed openstack/nova-specs master: Spec for the Nova part of Image Encryption https://review.opendev.org/608696
11:26:32 Luzi sean-k-mooney, I added a few sentences concerning the lifecycle
11:56:30 openstackgerrit Artom Lifshitz proposed openstack/nova master: NUMA live migration support https://review.opendev.org/634606

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