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| openstackgerrit | Michael Still proposed openstack/nova-specs: Mark liberty specs as implemented https://review.openstack.org/220338 | 00:17 |
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| openstackgerrit | Zhenyu Zheng proposed openstack/python-novaclient: Add --metadata as optional input when do nova image-create https://review.openstack.org/228769 | 01:24 |
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| sajeesh | ping johnthetubaguy | 01:28 |
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| openstackgerrit | Davanum Srinivas (dims) proposed openstack/nova: [WIP] Use blacklist instead of white list https://review.openstack.org/229224 | 02:08 |
| openstackgerrit | Takashi NATSUME proposed openstack/nova: Fix cinder volume stuck in swap_volume https://review.openstack.org/207385 | 02:12 |
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| openstackgerrit | ChangBo Guo(gcb) proposed openstack/nova: Use version convert methods from oslo_utils.versionutils https://review.openstack.org/203322 | 02:30 |
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| openstackgerrit | ChangBo Guo(gcb) proposed openstack/nova: Filter out inactive compute before computing avaible resources https://review.openstack.org/180155 | 03:51 |
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| openstackgerrit | ChangBo Guo(gcb) proposed openstack/nova: Use StrOpt's parameter choices to restritct option auth_strategy https://review.openstack.org/200814 | 03:57 |
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| openstackgerrit | Ghanshyam Mann proposed openstack/nova-specs: pec for "tenant_id" "user_id" filter implies "all_tenant" https://review.openstack.org/198184 | 04:25 |
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| openstackgerrit | xing-yang proposed openstack/nova: Rollback is needed if attach_volume times out https://review.openstack.org/138664 | 04:41 |
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| openstackgerrit | ChangBo Guo(gcb) proposed openstack/nova: Fix wrong method name in doc filter_scheduler https://review.openstack.org/229250 | 05:58 |
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| openstackgerrit | Tang Chen proposed openstack/nova-specs: Inject NMI to an instance https://review.openstack.org/229255 | 06:18 |
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| openstackgerrit | huan proposed openstack/nova: Do not rely on XenAPI to guess device names https://review.openstack.org/213112 | 07:04 |
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| openstackgerrit | Ankit Agrawal proposed openstack/nova: libvirt: Race condition leads to instance in error https://review.openstack.org/185549 | 07:39 |
| openstackgerrit | Pavel Kholkin proposed openstack/nova: WIP: Use legacy engineFacade from oslo_db.enginefacade https://review.openstack.org/221310 | 07:40 |
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| openstackgerrit | Pavel Kholkin proposed openstack/nova: WIP: use oslo_db.enginefacade https://review.openstack.org/225065 | 07:41 |
| openstackgerrit | Pavel Kholkin proposed openstack/nova: WIP: use oslo_db.enginefacade https://review.openstack.org/226788 | 07:42 |
| openstackgerrit | Pavel Kholkin proposed openstack/nova: WIP: use oslo_db.enginefacade https://review.openstack.org/228979 | 07:42 |
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| bauzas | good morning Nova | 07:43 |
| openstackgerrit | Tomi Juvonen proposed openstack/nova-specs: Get valid server state https://review.openstack.org/192246 | 07:45 |
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| oomichi | bauzas: bonjour :) | 07:48 |
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| openstackgerrit | Tang Chen proposed openstack/nova-specs: Support soft reboot and poweroff in nova ironic driver. https://review.openstack.org/229282 | 08:02 |
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| bauzas | oomichi: konbanwa :) | 08:04 |
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| oomichi | bauzas: yeah, right word :) 5pm in JST | 08:07 |
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| bauzas | oomichi: dozo yoroshiku | 08:13 |
| * bauzas tries to put all his words out of his mouth | 08:13 | |
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| oomichi | bauzas: cool, seems learning a lot of words ;) | 08:15 |
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| bauzas | :) | 08:17 |
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| johnthetubaguy | wow very educational greetings this morning | 08:33 |
| johnthetubaguy | eh up me ducks! how are you diddeling? | 08:33 |
| bauzas | lol | 08:34 |
| johnthetubaguy | we do talk some nonsense in the north of england | 08:34 |
| openstackgerrit | Marian Horban proposed openstack/nova: Fix Status-Line in HTTP response https://review.openstack.org/223235 | 08:35 |
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| * sudipto wonders if johnthetubaguy is an EPL fan | 08:48 | |
| johnthetubaguy | EPL? | 08:49 |
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| sudipto | English Premier League :) | 08:49 |
| johnthetubaguy | ah... so funny thing, at my school there were musicians, and sport folks, and we never really mixed | 08:50 |
| sudipto | :D | 08:50 |
| sudipto | I do both :P | 08:50 |
| sudipto | may be not good with either :P | 08:50 |
| johnthetubaguy | controversial! | 08:51 |
| johnthetubaguy | heh | 08:51 |
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| johnthetubaguy | I think its more to do with the schools I went to, rather than any pattern, thinking about it! | 08:52 |
| sudipto | Makes me think, how those stadiums are filled on weekends otherwise :D | 08:53 |
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| mikal | johnthetubaguy: this service lock spec is doing my head in | 08:54 |
| openstackgerrit | Wei Jiangang proposed openstack/nova: tools/install_venv: simplify assignment with the help of slice https://review.openstack.org/229302 | 08:54 |
| johnthetubaguy | mikal: oh, the heat related one? | 08:55 |
| mikal | johnthetubaguy: yeah | 08:55 |
| mikal | johnthetubaguy: I'm having a go at re-writing it, but I think its proposed change is overly complex to be honest | 08:55 |
| mikal | johnthetubaguy: I am also confused why its not a backlog spec given it has no-one assigned to work on it | 08:56 |
| johnthetubaguy | mikal: certainly my idea was pick something really simple, extend the concept of admin locks and user locks, but add a service lock | 08:56 |
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| johnthetubaguy | mikal: maybe it should be | 08:56 |
| mikal | johnthetubaguy: so, I'm re-writing this to not hurt my brain | 08:56 |
| mikal | johnthetubaguy: and because I am trying to be helpful | 08:56 |
| mikal | johnthetubaguy: couldn't this just be an extension to the current admin lock? | 08:56 |
| johnthetubaguy | mikal: I did that with the tooz spec, sometimes its the easiest way | 08:56 |
| mikal | johnthetubaguy: something like when you lock you hand over an (optional) secret key which must be passed to unlock? | 08:57 |
| johnthetubaguy | mikal: thats what I was hoping to see when I went to read that properly | 08:57 |
| mikal | johnthetubaguy: and perhaps a descriptive string to be used in UIs? | 08:57 |
| johnthetubaguy | so the optional secret key already has an established keystone pattern | 08:57 |
| mikal | johnthetubaguy: it proposes an implementation of keystone composite tokens, which is more complicated | 08:57 |
| johnthetubaguy | why is that complicated? | 08:57 |
| johnthetubaguy | its this thing, I believe: http://specs.openstack.org/openstack/keystone-specs/specs/keystonemiddleware/implemented/service-tokens.html | 08:58 |
| mikal | johnthetubaguy: "Some Openstack services such as Cinder and Glance may use a “service account”. In this mode, you configure a separate account where the service stores project data that it manages. This account is not used directly by the end-user. Instead, all access is done through the service." | 08:58 |
| mikal | johnthetubaguy: so, two accounts per user right? | 08:58 |
| johnthetubaguy | no | 08:58 |
| mikal | johnthetubaguy: and then the caller presents two tokens | 08:58 |
| johnthetubaguy | service has an account | 08:58 |
| mikal | johnthetubaguy: one for the user and one for the service | 08:58 |
| johnthetubaguy | and the user has an account | 08:58 |
| johnthetubaguy | the service account is the same for all users | 08:58 |
| johnthetubaguy | as I understand it | 08:58 |
| mikal | Oh, ok | 08:58 |
| mikal | But still two tokens | 08:59 |
| mikal | I think we should assume that any API user might want to do this | 08:59 |
| johnthetubaguy | yep, which is the nice bit, security wise | 08:59 |
| mikal | So simplest possible implementation is a win | 08:59 |
| johnthetubaguy | yep, and API users with a service token tcan | 08:59 |
| johnthetubaguy | I mean you could just use two user tokens I guess, thats just fine | 08:59 |
| mikal | Well, let's say this is RAX public cloud | 09:00 |
| mikal | As a random API user I will never get a service token, right? | 09:00 |
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| mikal | So I therefore couldn't do these locks on instances for a given user? | 09:00 |
| johnthetubaguy | hey, my I am Alice, and my mate Bob wants me to look after this VM for them | 09:00 |
| johnthetubaguy | mikal: so I think they could, in this system | 09:00 |
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| mikal | How do they get the service token though? | 09:00 |
| johnthetubaguy | unless we add some role the service token must have | 09:00 |
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| johnthetubaguy | which is probably sensible | 09:00 |
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| johnthetubaguy | but its just poilcy really | 09:01 |
| * mikal ponders | 09:01 | |
| mikal | So, a concrete example | 09:01 |
| johnthetubaguy | the bit I want is this... | 09:01 |
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| mikal | Let's say I want to run my own heat to manage public cloud instances | 09:01 |
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| johnthetubaguy | lock: admin > service > user | 09:01 |
| mikal | johnthetubaguy: agreed on that | 09:01 |
| mikal | How do I get my heat to have a service token? | 09:01 |
| mikal | How does that other account get created? | 09:02 |
| johnthetubaguy | so its optional, if you are running it, you just create a new separate user for heat, if you want | 09:02 |
| mikal | In the RAX case, you could create a new mycloud account, but it would have to have a credit card associated etc etc, right? | 09:02 |
| dguitarbite | hello, I would like to repropose a spec for Mitaka release. https://blueprints.launchpad.net/nova/+spec/websocket-proxy-to-host-security. When do you guys think its a good idea to submit it? | 09:02 |
| mikal | And whatever billing rules apply to accounts would be incurred | 09:02 |
| johnthetubaguy | well, not if you use the RBAC system where you have multiple users in the same tenant, I think that works | 09:02 |
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| mikal | (For example minimum monthly bills) | 09:02 |
| mikal | Oh, good point | 09:03 |
| johnthetubaguy | basically, it should be optional in heat | 09:03 |
| mikal | So, I think my mental blockage is around the terminology then | 09:03 |
| johnthetubaguy | its just extra locking, if thats what you want | 09:03 |
| mikal | All we're saying is that you provide two valid tokens | 09:03 |
| mikal | There's nothing special about the service token apart from that its valid? | 09:03 |
| johnthetubaguy | yeah, basically | 09:03 |
| johnthetubaguy | well, we have a policy on it about the role it needs, I think | 09:04 |
| mikal | i.e. my token could be a service token for your account if I could do enough auth to get your token? | 09:04 |
| johnthetubaguy | I like that being possible | 09:04 |
| mikal | I do to | 09:04 |
| mikal | That's where I was trying to get to | 09:04 |
| mikal | But it sounds like that's already possible | 09:04 |
| johnthetubaguy | so, I think it is | 09:04 |
| mikal | i.e. I could build a startup which runs third party heats for public clouds | 09:04 |
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| johnthetubaguy | by I have not read the code or tested it | 09:04 |
| johnthetubaguy | yeah, I mean if they fancy that, I am sure we would give them the roll they needed, if we restricted it | 09:05 |
| johnthetubaguy | but thats an asside | 09:05 |
| mikal | So... | 09:05 |
| mikal | I am torn between that, as the keystone thing which already exists, and just passing a secret string to the lock api call | 09:06 |
| mikal | Cause that requires no blessing from anyoe | 09:06 |
| johnthetubaguy | so the keystone thing is just in the middle wear, so we just read the stuff in the context I think | 09:06 |
| mikal | If this is a backlog spec I might write both up and let people debate them on their merits when someone signs up for the spec | 09:06 |
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| johnthetubaguy | so... there is a related thing I have been thinking about | 09:07 |
| johnthetubaguy | you know Nova talks to glance using the user token, and it can expire... | 09:07 |
| mikal | Yep | 09:07 |
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| johnthetubaguy | what if Nova had a service token | 09:07 |
| johnthetubaguy | and it passed that to glance, with the user token | 09:07 |
| johnthetubaguy | and says, hey glance, this was valid when I checked, it might have expired now, but please ignore the expiery | 09:08 |
| mikal | Herm | 09:08 |
| johnthetubaguy | I like this more than trusts, because the service token is less god like | 09:08 |
| mikal | How does glance tell if the user token was ever valid though? | 09:08 |
| mikal | It might be gone from the keystone db if its expired, right? | 09:08 |
| johnthetubaguy | yeah, thats bit I need to ask keystone about, there would be a grace period to keep the token alive a bit longer, or something like that... | 09:09 |
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| johnthetubaguy | some special call that says I have a magical time dilation token that you pass to keystone along with the user token | 09:10 |
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| johnthetubaguy | anyways, heat will have the same issue here, the user's token will expire | 09:10 |
| mikal | But they can re-auth with the cached credentials? | 09:10 |
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| johnthetubaguy | well, assuming the user gives heat their actually credentials, yes | 09:11 |
| mikal | Or were they just handed a token for re-use? | 09:11 |
| johnthetubaguy | so I was thinking they are just given a token | 09:11 |
| johnthetubaguy | today its all proxied behind a single user, as I understand it | 09:11 |
| johnthetubaguy | they want to be in the users account so you get access to the the correct private networks, etc | 09:12 |
| mikal | Yeah, makes sense | 09:12 |
| mikal | And for billing etc | 09:12 |
| johnthetubaguy | yeah | 09:12 |
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| johnthetubaguy | maybe the service token should be able to renew the token just before it expires, or something like that... that feels better than arbitrary impersonation | 09:13 |
| dguitarbite | johnthetubaguy: hi, when is it a good time to resubmit this b/p? https://blueprints.launchpad.net/nova/+spec/websocket-proxy-to-host-security | 09:13 |
| mikal | johnthetubaguy: yeah, keep alives | 09:14 |
| mikal | johnthetubaguy: but how do you stop someone random from doing the same thing | 09:14 |
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| * johnthetubaguy notes he is inventing security things, which is terrible | 09:16 | |
| johnthetubaguy | mikal: I was thinking its similar to trusts, you get either impersonate or de-zombie-fy or something | 09:16 |
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| danpb | dguitarbite: err, i already resubmitted it | 09:19 |
| danpb | dguitarbite: and its approved | 09:19 |
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| johnthetubaguy | dguitarbite: danpb: I think I removed all the -2 and approved the blueprint after the spec was approved, so I think the answer is now | 09:21 |
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| danpb | the code is all pending review too | 09:21 |
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| dguitarbite | danpb: ok! that is good news then :D do you need some help with implementing this? | 09:23 |
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| openstackgerrit | Michael Still proposed openstack/nova-specs: Locking servers by service token https://review.openstack.org/203880 | 09:25 |
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| mikal | johnthetubaguy: so, that's the tweak I was talking about, I'd be interested in your thoughts | 09:26 |
| johnthetubaguy | dguitarbite: danpb: there is code up for review, I think that needs reviewing and/or rebasing? | 09:26 |
| dguitarbite | Ok, I am following up the spec. Ill send my reviews. Thanks. | 09:27 |
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| johnthetubaguy | mikal: thanks, will try take a look soon, its on the categorised list of specs I am building: https://etherpad.openstack.org/p/mitaka-nova-spec-review-tracking | 09:27 |
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| danpb | the code was almost given +A before, but it missed previous feature freeze so never merged | 09:31 |
| danpb | hopefully it will be quick to get approved this time around | 09:31 |
| openstackgerrit | Tang Chen proposed openstack/nova-specs: Introduce inject NMI interface in nova ironic driver. https://review.openstack.org/229322 | 09:32 |
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| openstackgerrit | Andrey Kurilin proposed openstack/python-novaclient: Change default service_type for volumes managers https://review.openstack.org/229337 | 10:03 |
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| openstackgerrit | Wei Jiangang proposed openstack/nova: Make a precise comparison for python version https://review.openstack.org/229339 | 10:03 |
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| openstackgerrit | Jianghua Wang proposed openstack/nova-specs: XenAPI: Add support for Virtual GPU (VGPU) https://review.openstack.org/229351 | 10:44 |
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| openstackgerrit | Jianghua Wang proposed openstack/nova-specs: XenAPI: Add spec to support Virtual GPU (VGPU) https://review.openstack.org/229351 | 10:56 |
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| openstackgerrit | Andrey Kurilin proposed openstack/python-novaclient: Change default service_type for volumes managers https://review.openstack.org/229337 | 11:14 |
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| openstackgerrit | Davanum Srinivas (dims) proposed openstack/nova: Avoid intermediate Token auth plugin https://review.openstack.org/229368 | 11:18 |
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| openstackgerrit | Andrey Kurilin proposed openstack/python-novaclient: Change default service_type for volumes managers https://review.openstack.org/229337 | 11:20 |
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| openstackgerrit | Ukesh Kumar proposed openstack/nova: Partial-Bug: #1494374 nova.virt.libvirt.driver._get_guest_config method is nearly 400 LOC and should be broken up https://review.openstack.org/229382 | 11:52 |
| openstack | bug 1494374 in OpenStack Compute (nova) "nova.virt.libvirt.driver._get_guest_config method is nearly 400 LOC and should be broken up" [Low,In progress] https://launchpad.net/bugs/1494374 - Assigned to Ukesh (ukeshkumar) | 11:52 |
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| pkholkin | mdbooth: are you here? | 12:20 |
| mdbooth | pkholkin: Yup | 12:21 |
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| mdbooth | 'sup? | 12:21 |
| pkholkin | mdbooth: great! we want to ask you about nova-spec related to enginefacade, will you update it or we can do it by ourselves | 12:21 |
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| pkholkin | ? | 12:22 |
| mdbooth | pkholkin: Just a moment | 12:22 |
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| pkholkin | mdbooth: ok:) | 12:23 |
| mdbooth | pkholkin: Hmm, the process is not what I thought it would be | 12:24 |
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| mdbooth | I guess I would submit a new review to delete the approved liberty spec and add an approved mitaka spec? | 12:24 |
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| pkholkin | yes, but you don't need to delete the liberty-spec | 12:25 |
| pkholkin | you can mention in commit message that it was previously approved for L | 12:26 |
| openstackgerrit | Matthew Booth proposed openstack/nova-specs: Move the oslo_db enginefacade proposal to mitaka https://review.openstack.org/229395 | 12:26 |
| mdbooth | pkholkin: ^^^ :) | 12:27 |
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| pkholkin | mdbooth: as far as I know you should copy-paste the spec itself | 12:29 |
| pkholkin | and it will be nice to add 'Implements: blueprint new-oslodb-enginefacade' | 12:29 |
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| mdbooth | pkholkin: copy-paste the spec itself? | 12:29 |
| mdbooth | Which spec? | 12:29 |
| mdbooth | I don't understand. | 12:30 |
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| mdbooth | I can add the implements line, though | 12:30 |
| pkholkin | mdbooth: I mean you should copy the file with text to mitaka directory instead of just moving. Like in this one https://review.openstack.org/#/c/211099/ | 12:30 |
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| mdbooth | pkholkin: Ah, ok | 12:31 |
| mdbooth | Ok, I'll change it. Just a sec. | 12:31 |
| pkholkin | mdbooth: great, thanks a lot! | 12:31 |
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| openstackgerrit | Matthew Booth proposed openstack/nova-specs: Implement the oslo_db enginefacade proposal https://review.openstack.org/229395 | 12:33 |
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| mdbooth | pkholkin: Done | 12:34 |
| pkholkin | mdbooth: thank you very much! | 12:34 |
| pkholkin | mdbooth: waiting you reviews in patches :) | 12:35 |
| mdbooth | pkholkin: Do you want to take WIP off the first couple? | 12:35 |
| mdbooth | At least the infra ones should be good to go (review pending), surely? | 12:35 |
| pkholkin | mdbooth: we are waiting for new oslo.db now and merged spec too, after that surely will do | 12:36 |
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| pkholkin | alaski, johnthetubaguy: Hello guys, could you please look and re-approve enginefacade spec https://review.openstack.org/229395 for Mitaka | 12:39 |
| johnthetubaguy | pkholkin: mdbooth: approved the nova side for you | 12:39 |
| mdbooth | johnthetubaguy: Awesome, thanks! | 12:40 |
| pkholkin | johnthetubaguy: wow, fantastic) | 12:40 |
| pkholkin | thanks! | 12:40 |
| pkholkin | for such fast approve) | 12:40 |
| johnthetubaguy | I just came back from lunch and saw the discussion, it looks the same as we approved before, looks good. | 12:40 |
| pkholkin | johnthetubaguy: nice to hear, thanks) | 12:41 |
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| pkholkin | dhellmann: Good day Doug! Could you please take a look at this patch in requirements? https://review.openstack.org/#/c/227850/ We need to in nova for 'switching to oslo.cache' | 12:45 |
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| pkholkin | need it* | 12:45 |
| tdurakov | bauzas, hi, seen your comment on my patch for wrapping exception. could we discuss it? | 12:46 |
| bauzas | tdurakov: sure | 12:46 |
| tdurakov | imo we couldn't rely on that network never fails | 12:47 |
| tdurakov | bauzas, rollback is already masked by rpc cast, without failover mechanism. | 12:48 |
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| bauzas | tdurakov: agreed, but we can still wonder *why* we have exceptions | 12:49 |
| tdurakov | bauzas, let's pretend someone stops service:-p | 12:49 |
| tdurakov | it doesn't matter here:) | 12:50 |
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| bauzas | tdurakov: okay, you mean someone stops a service | 12:51 |
| bauzas | tdurakov: then why should we support that ? | 12:51 |
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| tdurakov | bauzas, it was for simplifification) | 12:52 |
| tdurakov | *simplification | 12:52 |
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| bauzas | tdurakov: okay, I seriously need to understand why we need to consider that if the compute manager is unable to clean up a network, we can still consider that we're allowed to remove the destination instance? | 12:54 |
| tdurakov | bauzas, what steps should be done by op in that case to live-migrate instance again? | 12:54 |
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| bauzas | tdurakov: I understand the bug, because if not, I would have it marked as invalid :) | 12:55 |
| tdurakov | bauzas, lol, glad to hear that) | 12:56 |
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| openstackgerrit | John Garbutt proposed openstack/nova: Configure disk resource allocation during instance resize operation https://review.openstack.org/208612 | 12:57 |
| tdurakov | bauzas, it doesn't matter what exactly go wrong, if we are building reliable mechanism. op will go to compute node and remove folder first, i suppose, right? | 12:58 |
| bauzas | tdurakov: we know that since we do RPC casts, something can go wrong | 12:58 |
| bauzas | tdurakov: in general, that's why we provide a nova reset-state where we can set a state and delete | 12:58 |
| bauzas | tdurakov: but I'd be a bit opposed to do defensive behaviour due to RPC failures | 12:59 |
| tdurakov | bauzas, how nova reset-state will help there? instance could stay in active state afair. | 12:59 |
| bauzas | tdurakov: instead, we should focus on better splitting our tasks | 12:59 |
| bauzas | tdurakov: right, that's why I said "in general" | 13:00 |
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| bauzas | tdurakov: again, I haven't marked the bug as invalid with a "eh dude, reset state" | 13:00 |
| tdurakov | :) | 13:00 |
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| tdurakov | bauzas, splitting of tasks is great, really. but what are cons of my patch? could you highlight it then? | 13:01 |
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| bauzas | tdurakov: first, you catch any exception and I'm really not a big fan of that | 13:01 |
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| bauzas | tdurakov: secondly, you are not handling the consistency between network and driver | 13:02 |
| bauzas | tdurakov: you assume that the driver is the primary thing to do | 13:03 |
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| tdurakov | heh, it's cast. so first really doesn't matter. | 13:03 |
| bauzas | tdurakov: but I'm quite sure some operators could tell you the contrary | 13:03 |
| bauzas | try: except Exception: ? don't you think you could be more explicit? | 13:03 |
| johnthetubaguy | whats the context here, I am curious | 13:04 |
| bauzas | https://review.openstack.org/#/c/227897/ | 13:04 |
| tdurakov | let me summarize: AS IS: if something goes wrong not to cleanup at all. TO BE(from patch): if something goes wrong try to do smth | 13:04 |
| tdurakov | first seems lazy way:-p | 13:05 |
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| bauzas | tdurakov: do you accept that if I have a flakey message queue, then Nova could fail deleting an instance eg. and then I would need to use reset-state ? | 13:06 |
| bauzas | tdurakov: which means that we assume that our casts are not resilient, but that's up to the operator to handle that? | 13:06 |
| bauzas | in other words, that's not the role of upstream Nova to handle RPC failures | 13:07 |
| bauzas | well, that's MHO of course, I'd be interested in getting other views | 13:08 |
| rajesht_ | johnthetubaguy: you around ? | 13:09 |
| johnthetubaguy | rajesht_: yes | 13:09 |
| tdurakov | bauzas, i'd agree with you, but handling RPC failures is on upstream nova too, imho:) transport could be unreliable | 13:10 |
| rajesht_ | johnthetubaguy: want to discuss regarding your comment https://review.openstack.org/#/c/163798/9/nova/compute/task_states.py | 13:10 |
| rajesht_ | johnthetubaguy: IMO I need to add task_state force-deleting with every vm_state in _STATE_MAP | 13:10 |
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| rajesht_ | johnthetubaguy: because instance might be force-deleted in any state, except DELETED vm_stae | 13:11 |
| rajesht_ | johnthetubaguy: Am I right ? | 13:11 |
| bauzas | tdurakov: you see my views in there https://review.openstack.org/#/c/221280/3/doc/source/tasks.rst,cm | 13:11 |
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| bauzas | tdurakov: tbc, we should have better error handling and status reporting, but not to the price of gracefully degrading features if the bus is flakey | 13:12 |
| johnthetubaguy | rajesht_: possibly... might be time to add a global one, map X to Y in all states | 13:12 |
| rajesht_ | johnthetubaguy: should it be done in same patch or different one ? | 13:13 |
| johnthetubaguy | bauzas: tdurakov: maybe what you really want is to run the driver method first? | 13:13 |
| johnthetubaguy | rajesht_: same patch, as its the patch you are adding the new state into | 13:13 |
| bauzas | johnthetubaguy: that could be an option | 13:13 |
| johnthetubaguy | rajesht_: but only add your new state into that global dict | 13:13 |
| johnthetubaguy | bauzas: totally agreed we need to re-raise that exception, it breaks all sorts of reporting | 13:14 |
| bauzas | johnthetubaguy: but still, I wonder if it would be good to delete stuff on the dest host without cleaning the vifs | 13:14 |
| rajesht_ | johnthetubaguy: thanks :) and we need to ignore DELETED vm_state | 13:14 |
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| johnthetubaguy | rajesht_: no need to ignore DELETED vm_state, as far as I understand | 13:14 |
| rajesht_ | johnthetubaguy: yes, I will only add newly added task_state | 13:14 |
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| johnthetubaguy | but see how the code looks in the end | 13:15 |
| tdurakov | johnthetubaguy, reraise for what? | 13:15 |
| tdurakov | who will handle that? | 13:15 |
| bauzas | johnthetubaguy: tdurakov: to be clear, the transaction is like this : delete the local copy of the instance *AND* delete the vifs | 13:15 |
| rajesht_ | johnthetubaguy: let me first put it in code, then we can check | 13:15 |
| rajesht_ | johnthetubaguy: anyways, thanks for your time :) | 13:16 |
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| bauzas | johnthetubaguy: tdurakov: so that if one of both is failing, then we should consider to rollback to the previous state | 13:16 |
| tdurakov | bauzas, there is no transactions in nova for that, ok, if driver fails and vifs already cleaned? | 13:16 |
| pkholkin | dims: hello Dims! When do you expect new oslo.db release? | 13:17 |
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| tdurakov | bauzas, resetup them again? | 13:17 |
| johnthetubaguy | bauzas: tdurakov: its too late to rollback states at this point I feel, you are probably already in an error state, if I remember correctly | 13:18 |
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| bauzas | johnthetubaguy: that's what I'm looking now | 13:18 |
| dims | pkholkin: probably another week or so. no releases have been made for mitaka from master yet | 13:18 |
| tdurakov | johnthetubaguy, are you talking about instance state? | 13:18 |
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| bauzas | tdurakov: IIRC, that code section is called when an exception occurs when live-migrating, correct | 13:19 |
| bauzas | ? | 13:19 |
| pkholkin | dims: ok, waiting) | 13:19 |
| tdurakov | bauzas, yes | 13:19 |
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| * pkholkin wait for fix to enginefacade | 13:19 | |
| bauzas | tdurakov: okay, so we're assuming something stopped during the live migration | 13:19 |
| bauzas | tdurakov: but do we know what was setup previously? | 13:20 |
| tdurakov | could you rephrase last question? | 13:20 |
| johnthetubaguy | dims: pkholkin: does depends-on work for oslo libs? I guess it might not work? | 13:20 |
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| pkholkin | johnthetubaguy: it seems no(, we have added it https://review.openstack.org/#/c/221310/12 | 13:21 |
| pkholkin | one test with pickle fails | 13:21 |
| bauzas | tdurakov: I'm trying to identify if we know the current state of the instance when it goes to that rollback method ? | 13:21 |
| johnthetubaguy | yeah, I figured not, we used released versions, not the git tree | 13:21 |
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| tdurakov | bauzas, i seen it was in active state | 13:22 |
| bauzas | tdurakov: a few findings show me that we callback this method in 2 cases : either when pre-migrating, or if something is wrong within the driver | 13:22 |
| tdurakov | bauzas, let's focus on first case | 13:22 |
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| bauzas | tdurakov: so in the first case, the pre-migration does the opposite of that rollback method | 13:23 |
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| bauzas | tdurakov: ie. #1 prepare the driver, #2 do the networking magic | 13:23 |
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| bauzas | tdurakov: now, what if #1 raises an Exception ? | 13:24 |
| bauzas | tdurakov: it's then being catched, and calls the rollback() | 13:24 |
| tdurakov | bauzas, it could be in active state | 13:24 |
| bauzas | tdurakov: but that means that we're trying to deallocate some network that never been allocated | 13:25 |
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| andreykurilin | sdague: hi! Can you look at fix for novaclient's functional tests(related to cinder v2)? https://review.openstack.org/#/c/229337/ | 13:28 |
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| tdurakov | bauzas, networking problems( | 13:29 |
| tdurakov | could we continue? | 13:29 |
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| bauzas | tdurakov: sure, I'm just multi-tasks in a concurrent way | 13:30 |
| tdurakov | :) | 13:30 |
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| tdurakov | bauzas, what if some driver magic fails during pre-migrate step? | 13:32 |
| bauzas | tdurakov: that's my point | 13:32 |
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| tdurakov | it means that network was set, but driver fails | 13:32 |
| bauzas | tdurakov: then you go to the rollback method and try to tear down a resource that has never been assigned :) | 13:33 |
| tdurakov | so we need clean up both? | 13:33 |
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| tdurakov | bauzas, need some time to reproduce this again. I'll leave comment in gerrit then | 13:35 |
| claudiub | johnthetubaguy: hello. did you get a chance to take a look at the add-os-win spec and the expose-host-capabilities spec? | 13:36 |
| mriedem | sdague: dansmith: was looking through the largeops n-cpu logs for the devstack nproc/2 change and it looks much better, _do_build_and_run_instance isn't holding the lock forever like i was seeing before | 13:37 |
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| mriedem | nova.compute.resource_tracker.update_usage is now the only thing that holds the lock for any amount of time | 13:37 |
| dansmith | mriedem: cool | 13:37 |
| sdague | mriedem: great | 13:37 |
| bauzas | mriedem: \o/ | 13:37 |
| sdague | mriedem: so, update_usage in the fake driver is probably kind of stupid pants, we could probably make it better | 13:38 |
| sdague | I don't think I even considered the large-ops case for that | 13:38 |
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| mriedem | ok i can look at it | 13:40 |
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| dansmith | sdague: how do you mean? | 13:42 |
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| sdague | dansmith: if the computing of the resources in the driver is doing naive things like looping lists | 13:43 |
| dansmith | sdague: okay you want to make it faster, not remove it, yes? | 13:43 |
| sdague | dansmith: right | 13:43 |
| dansmith | okay cool | 13:43 |
| sdague | it may entirely be un-optimized, because optimization was never in the front of my head when I made it do a real thing | 13:43 |
| dansmith | yeah | 13:44 |
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| sdague | so that could be looked at to reduce the update_usage lock time | 13:44 |
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| openstackgerrit | Balazs Gibizer proposed openstack/nova-specs: Versioned notification API https://review.openstack.org/224755 | 13:52 |
| mriedem | actually i don't think rt.update_usage is taking long itself, it's that it's waiting awhile to acquire the lock | 13:53 |
| openstackgerrit | Davanum Srinivas (dims) proposed openstack/nova: Avoid intermediate Token auth plugin https://review.openstack.org/229368 | 13:53 |
| mriedem | e.g. | 13:53 |
| mriedem | 2015-09-29 14:23:29.782 DEBUG oslo_concurrency.lockutils [req-d5831c73-83fe-4594-8b07-24d187c9beda tempest-TestLargeOpsScenario-1601363923 tempest-TestLargeOpsScenario-2123632082] Lock "compute_resources" released by "nova.compute.resource_tracker.update_usage" :: held 1.415s inner /usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py:265 2015-09-29 14:23:29.785 DEBUG oslo_concurrency.lockutils [req-8f876e2d-27fe-4a41-ad2b | 13:53 |
| mriedem | ew | 13:54 |
| mriedem | http://logs.openstack.org/36/228636/2/check/gate-tempest-dsvm-large-ops/5f42bed/logs/screen-n-cpu-1.txt.gz#_2015-09-29_14_23_29_782 | 13:54 |
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| mriedem | do_terminate_instance takes longer than i would have expected | 13:57 |
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| raildo | johnthetubaguy, ping, I'm with a doubt here, I have to change the nested quota spec to be closer to the cinder implementation but I'm not the owner of the current spec that was approved for liberty. May I have to change this actual spec or I have to create a new one? | 13:57 |
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| openstackgerrit | Davanum Srinivas (dims) proposed openstack/nova: Enable options for oslo.reports https://review.openstack.org/216917 | 13:59 |
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| ndipanov | hey mriedem_away so I was thinking about that number of conductor workers patch to fix largeops | 14:03 |
| ndipanov | how about increasing rabbit connection pool? | 14:03 |
| dansmith | ndipanov: that's not the problem I don't think | 14:04 |
| dansmith | ndipanov: we were completely maxing out cpu on the two conductor workers we had, so we actually needed more parallelism, not more threads | 14:04 |
| ndipanov | ah I see | 14:04 |
| ndipanov | so that's what I wanted to know | 14:04 |
| ndipanov | cool | 14:04 |
| mtreinish | dansmith: where is the patch for that? (assumming it hasn't already merged) | 14:05 |
| dansmith | mtreinish: https://review.openstack.org/228636 | 14:05 |
| mtreinish | cool, I guess there's nothing for me to do on that one | 14:06 |
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| garyk | johnthetubaguy: sorry to bug you about all of the -2'ed bps and specs. has any decision been reached on how to deal with this? | 14:07 |
| johnthetubaguy | raildo: ah, so you need a new spec submitted for mitaka anyways, so you can just updated there. does that work? | 14:08 |
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| raildo | johnthetubaguy, sounds good to me :) I'll do that today | 14:08 |
| raildo | thanks | 14:08 |
| johnthetubaguy | garyk: send a note on the ML about it, basically do what you have done in that etherpad, specless to be approved in next nova meeting | 14:08 |
| johnthetubaguy | s/send a/sent a/ | 14:08 |
| garyk | johnthetubaguy: ok, thanks - i have updated the etherpad about a week ago. still no change - still seeing red :) | 14:09 |
| openstackgerrit | Marian Horban proposed openstack/nova: Refactoring of HTTP exception message https://review.openstack.org/223496 | 14:09 |
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| dansmith | mriedem_away: sdague: seen this one yet? http://logs.openstack.org/20/223320/3/check/gate-tempest-dsvm-nova-v20-api/ce04943/logs/screen-n-cpu.txt.gz?level=TRACE#_2015-09-29_21_38_32_631 | 14:12 |
| dansmith | looks pretty nasty though, although I don't see it on the rechecks page | 14:13 |
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| dansmith | actually there are lots of interesting things in that log | 14:16 |
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| openstackgerrit | Alexis Lee proposed openstack/nova-specs: Get valid server state https://review.openstack.org/192246 | 14:17 |
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| johnthetubaguy | garyk: waiting for the next nova meeting, which is tomorrow | 14:20 |
| johnthetubaguy | garyk: the previously approved spec has been merged for limits, and removed all those -2s | 14:20 |
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| garyk | ok, thanks | 14:21 |
| garyk | is it an early or late meeting? | 14:21 |
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| dansmith | early tomorrow | 14:22 |
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| garyk | ok, thanks | 14:22 |
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| johnthetubaguy | yep, early one | 14:24 |
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| bauzas | early, early... | 14:24 |
| bauzas | that depends on where you're set :p | 14:25 |
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| dansmith | earliER | 14:25 |
| garyk | bauzas: by now you should only be working on pacific time. | 14:26 |
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| bauzas | I can still eat croissants during the meeting tho | 14:27 |
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| openstackgerrit | Andrea Rosa proposed openstack/nova-specs: Allow more instance operations during live migration https://review.openstack.org/226199 | 14:32 |
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| mriedem | dansmith: i have seen that | 14:34 |
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| mriedem | dansmith: i think clarkb hit that in a multinode job last week | 14:34 |
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| dansmith | hmm, it's rather concerning | 14:35 |
| clarkb | I think Ibknow the fail if you eant me to dig it up | 14:36 |
| mriedem | no bug reported that i can find, so doing that now | 14:36 |
| clarkb | er know the change | 14:36 |
| mriedem | clarkb: no, just that it's not just dan | 14:36 |
| mriedem | logstash is showing more results | 14:36 |
| mriedem | clarkb: when you hit it last week it was just your change | 14:36 |
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| mriedem | but now it's spiking http://goo.gl/Kh8xxP | 14:36 |
| clarkb | fun | 14:37 |
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| mriedem | https://bugs.launchpad.net/nova/+bug/1501366 | 14:38 |
| openstack | Launchpad bug 1501366 in OpenStack Compute (nova) "libvirtError: Error while building firewall: Some rules could not be created for interface" [Undecided,New] | 14:38 |
| mriedem | did anything merge in libvirt in hte last day or so? | 14:38 |
| mriedem | related to networks/firewalls? | 14:38 |
| mriedem | nothing jumping out at me | 14:39 |
| danpb | libvirtError: Error while building firewall: Some rules could not be created for interface vnet3: Failure to execute command '$EBT -t nat -A libvirt-J-vnet3 -p 0x0800 -j J-vnet3-ipv4' : 'Illegal target name 'J-vnet3-ipv4'.'. | 14:39 |
| danpb | that is a peculiar message | 14:39 |
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| danpb | looking at the source, it seems to mean that the target does not exist | 14:41 |
| dansmith | danpb: yep, that's the one | 14:41 |
| danpb | libvirt ought to have just created it | 14:41 |
| danpb | so i wonder if something is racing somewhere and killoing the rule libvirt just added | 14:42 |
| dansmith | danpb: is that ebtables saying that or libvirt? | 14:42 |
| danpb | "Illegal target name" comes from the ebtables command | 14:42 |
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| dansmith | danpb: and I intrepreted that as "doesn't fit a legal format" but you think it means "target doesn't exist" ? | 14:42 |
| danpb | yeah that was my interpretation originally but this source | 14:42 |
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| danpb | t = ebt_find_target(optarg); | 14:43 |
| danpb | /* -j standard not allowed either */ | 14:43 |
| danpb | if (!t || t == (struct ebt_u_target *)new_entry->t) | 14:43 |
| danpb | ebt_print_error2("Illegal target name '%s'", optarg); | 14:43 |
| dansmith | oh, I see you said above | 14:43 |
| danpb | says "target doesn;t exist" to me | 14:43 |
| dansmith | yeah | 14:43 |
| danpb | if it only just started happening, then i guess either something in nova/neutron changed wrt firewalls, or perhaps some OS level software was updated ? | 14:44 |
| mriedem | danpb: this job uses nova-net | 14:45 |
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| danpb | i don't see anything in libvirtd.log that suggests libvirt is deleting the chain in question | 14:51 |
| danpb | so i guess it might be something in nova/network or the OS | 14:51 |
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| dansmith | alaski: do you have any opinions on this use_slave question? https://review.openstack.org/#/c/223320/3 | 15:03 |
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| dansmith | alaski: I'm thinking reading from the slave replica is probably a fine thing for this calculation | 15:04 |
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| kashyap_ | danpb: johnthetubaguy: When you get a moment, any concrete decision on this? https://review.openstack.org/#/c/171098/ | 15:07 |
| kashyap_ | Currently it's stuck at "we still support older libvirt versions, so really we should do something per version until we can raise the min version." | 15:07 |
| johnthetubaguy | kashyap_: there was a plan to raise the min_version in Mitaka, danpb do you remember what that is | 15:08 |
| mriedem | yeah it's in the code | 15:08 |
| mriedem | 0.10.2 | 15:08 |
| * kashyap_ looks at driver.py | 15:08 | |
| johnthetubaguy | that sounds right, so not 1.0.3 | 15:08 |
| mriedem | right | 15:08 |
| mriedem | so you can't just change the defaults to assume 1.0.3 | 15:08 |
| danpb | yeah, agreed | 15:09 |
| mriedem | adjust the defaults based on version | 15:09 |
| dansmith | mriedem: did you put up the patch for the db placeholders | 15:09 |
| kashyap_ | # TODO(mriedem): We plan to move to a minimum required version of | 15:09 |
| dansmith | ? | 15:09 |
| kashyap_ | # libvirt 0.10.2 in the 13.0.0 'M' | 15:09 |
| mriedem | dansmith: nope | 15:09 |
| openstackgerrit | Dan Smith proposed openstack/nova: Add get_minimum_version() to Service object and DB API https://review.openstack.org/223320 | 15:09 |
| openstackgerrit | Dan Smith proposed openstack/nova: Allow automatic determination of compute_rpc version by service https://review.openstack.org/223321 | 15:09 |
| openstackgerrit | Dan Smith proposed openstack/nova: Make service create/update fail if version is too old https://review.openstack.org/229049 | 15:09 |
| dansmith | mriedem: okay I'll do it | 15:09 |
| PaulMurray | jaypipes, I hear you've been working on multi-attach - do you need any help with anything? | 15:09 |
| mriedem | kashyap: i can put up a change for https://github.com/openstack/nova/blob/master/nova/virt/libvirt/driver.py#L366 today | 15:10 |
| PaulMurray | jaypipes, volume multi-attach that is ^^ | 15:10 |
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| mriedem | PaulMurray: i think it's part of the things that the cinder team wants to talk about at the summit | 15:10 |
| mriedem | in a nova/cinder session | 15:10 |
| kashyap_ | mriedem: Sure, thanks :-) | 15:10 |
| mriedem | btw cinder meeting in 50 minutes | 15:10 |
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| kashyap_ | mriedem: Can you please remind me again (I'm sure it has to do w/ supporting so many things) why can't we raise the version to be much higher? | 15:11 |
| mriedem | kashyap: b/c people are still using rhel 6.5? | 15:11 |
| mriedem | kashyap: there was a thread in the ML about it at one point a few months back | 15:11 |
| jaypipes | PaulMurray: I have not actually been working on that... any help would be appreciated. | 15:11 |
| mriedem | PaulMurray: you probably want to talk to hemnafk | 15:11 |
| kashyap_ | mriedem: Oh, yeah, there's a whole treatise on it, I forget. | 15:12 |
| mriedem | yeah i got my PhD in it | 15:12 |
| kashyap_ | Also this - https://www.berrange.com/posts/2015/05/18/deprecating-libvirt-kvm-hypervisor-versions-in-openstack-nova/ | 15:12 |
| johnthetubaguy | kashyap_: you seem to remove the tunneled flag by default, but then say it puts people at risk of a security issue, is that correct? | 15:12 |
| kashyap_ | :-) | 15:12 |
| PaulMurray | mriedem, jaypipes thanks - BTW interested in taking a look at https://review.openstack.org/#/c/221732/ when you're free (as we're talking about cinder) | 15:13 |
| kashyap_ | Err didn't mean to type that | 15:13 |
| kashyap_ | johnthetubaguy: Yeah, however, | 15:14 |
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| mriedem | PaulMurray: sure i'll -2 that quick | 15:14 |
| johnthetubaguy | kashyap: seems like we need to enable something other than tunnelled by default, somehow, if we want to remove that flag? | 15:14 |
| mriedem | :)_ | 15:14 |
| kashyap_ | johnthetubaguy: Notice this from Dan: | 15:14 |
| kashyap_ | "Separately I'm spending the next few months working on QEMU itself to add native support for encryption in migration & NBD which will solve this problem once & for all without the need to tunnel anything." | 15:14 |
| danpb | johnthetubaguy: there's basically no good solution here | 15:14 |
| PaulMurray | mriedem, cheers mate - always there for me :) | 15:14 |
| kashyap_ | I've seen massive patch bombs on that topic on QEMU list (lots of them merged) | 15:14 |
| danpb | the tunnelled mode is no longer supported for block migration | 15:14 |
| hemna | mornin | 15:14 |
| kashyap_ | Ah, danpb is here. | 15:14 |
| danpb | and there's no secure alternative | 15:14 |
| johnthetubaguy | danpb: yeah, it looks that way | 15:15 |
| mriedem | PaulMurray: are you bringing that up as a specless bp or plan on doing a spec? | 15:15 |
| danpb | this is one of the reasons I'm working on qemu itself right now | 15:15 |
| mriedem | PaulMurray: oh shite that is the spec | 15:15 |
| mriedem | sorry | 15:15 |
| danpb | tunnelling is really undesirable due to the performance impact it has anyway | 15:15 |
| PaulMurray | mriedem, its a little preliminary at the moment, want to check the approach makes sense | 15:16 |
| jaypipes | PaulMurray: queue.push(PaulMurray) :) | 15:16 |
| kashyap_ | mriedem: Also, since you're a block topics enthusiast, see this 'fun' Fedora bug (fixed upstream) that crashes guest upon live block migration -- https://bugzilla.redhat.com/show_bug.cgi?id=1266936#c0 | 15:16 |
| openstack | bugzilla.redhat.com bug 1266936 in qemu "QEMU crashes during 'drive-mirror' with error "Co-routine re-entered recursively"" [High,Post] - Assigned to virt-maint | 15:16 |
| johnthetubaguy | danpb: insecure seems worse, but I admit thats a deployer choice | 15:16 |
| mriedem | PaulMurray: honestly i haven't done a spec review push yet, finishing up other stuff in my backlog | 15:16 |
| cfriesen | danpb: any good options for cold migration that don't require passwordless ssh between compute nodes? | 15:16 |
| mriedem | i haven't done a good job of reviews in general this week | 15:16 |
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| hemna | PaulMurray, detach a volume for an instance that isn't running ? | 15:17 |
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| johnthetubaguy | cfriesen: there was a spec around storage pools at one point, I think | 15:17 |
| mriedem | that would be solly ross's spec | 15:17 |
| johnthetubaguy | that sounds right | 15:17 |
| PaulMurray | hemna yep | 15:17 |
| mriedem | johnthetubaguy: cfriesen: https://blueprints.launchpad.net/nova/+spec/use-libvirt-storage-pools | 15:17 |
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| openstackgerrit | Dan Smith proposed openstack/nova: Reserve 10 migrations for backports https://review.openstack.org/229476 | 15:18 |
| mriedem | spec was approved, code wasn't, and then solly moved on from nova | 15:18 |
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| dansmith | johnthetubaguy: mriedem & | 15:18 |
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| hemna | doh | 15:18 |
| ndipanov | PaulMurray, I promissed to review that too | 15:19 |
| ndipanov | didn't get to it yet | 15:19 |
| ndipanov | (I suck at stuff basically) | 15:19 |
| PaulMurray | ndipanov, wasn't going to mention it :) | 15:19 |
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| johnthetubaguy | dansmith: you called? | 15:19 |
| danpb | cfriesen: there was a previous intention to switch to using libvirt storage pools to manage all disks images | 15:20 |
| openstackgerrit | Matt Riedemann proposed openstack/nova: Add checkpoint logging when building an instance in compute manager https://review.openstack.org/228980 | 15:20 |
| mriedem | johnthetubaguy: bug/1500615 | 15:20 |
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| mriedem | oops | 15:20 |
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| dansmith | johnthetubaguy: backport placeholdrs: https://review.openstack.org/229476 | 15:20 |
| johnthetubaguy | ah, gotcha | 15:20 |
| danpb | cfriesen: with the intention that you can then use the libvirt virStorageVolIUpload/Download APIs to transfer data between the two hosts via libvirt | 15:20 |
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| danpb | the guy who was doing that work no longer works on nova though | 15:20 |
| mriedem | danpb: i'm assuming the code just didn't meet the FF cutoff? | 15:21 |
| mriedem | or were there major problems with the impl? | 15:21 |
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| danpb | the code was pretty awful | 15:21 |
| mriedem | oh, heh | 15:22 |
| dansmith | mriedem: yeah, I recall it being problematic | 15:22 |
| danpb | it obviously had major refactoring work involved | 15:22 |
| danpb | and the patches tried to do waaaaaaaaaaaaaaaaaaaaaaaay too much at once | 15:22 |
| danpb | which made it impossible to review | 15:22 |
| danpb | i -1'd it several times telling the guy to split it up into something that was understandable but it nnever really happened | 15:22 |
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| danpb | for reference its this stuff https://review.openstack.org/#/q/status:abandoned+project:openstack/nova+branch:master+topic:bp/use-libvirt-storage-pools,n,z | 15:23 |
| hemna | so, what was the use case for the storage pools ? | 15:25 |
| hemna | vs. the way we attach volumes now? | 15:25 |
| hemna | attaching prior to a vm getting started? | 15:25 |
| cfriesen | hemna: the ability to copy files between hosts using the libvirt remote API | 15:25 |
| hemna | for live migration ? | 15:26 |
| dansmith | hemna: yeah, not really related to volume stuff | 15:26 |
| cfriesen | hemna: cold migration | 15:26 |
| hemna | trying to understand the overall use case | 15:26 |
| hemna | sorry, if I'm a bit slow | 15:26 |
| dansmith | I mean, not a major change for those pieces | 15:26 |
| dansmith | but rather a way to securely push images around in the deployment using libvirt auth/encryption instead of requiring passwordless ssh keys everywhere | 15:26 |
| hemna | so this is mostly for ephemeral storage then, not cinder volumes | 15:26 |
| danpb | it would also get nova out of the manipulating qcow2 files directly - it would perform create/update/query etc via libvirt | 15:26 |
| danpb | and would also make it easier to add support for more different local image backends without having to add code in nova for each one | 15:27 |
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| openstackgerrit | Davanum Srinivas (dims) proposed openstack/nova: Use os-testr for py34 tox target https://review.openstack.org/229069 | 15:30 |
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| sdague | ndipanov: so, trying to actually find a way to get our infrastructure to test upgrades from liberty -> master | 15:35 |
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| sdague | and in one of the attempts to work around a glanceclient bug, and forcing it to v1 api, we get the following | 15:36 |
| sdague | http://logs.openstack.org/63/229363/3/check/gate-grenade-dsvm/aef0173//logs/old/screen-n-api.txt.gz#_2015-09-30_15_24_26_571 | 15:36 |
| sdague | that's after creating a bootable volume using cinder v1 and glance v1 apis from osc | 15:36 |
| sdague | InvalidBDMFormat: Block Device Mapping is Invalid: Unrecognized legacy format. | 15:36 |
| sdague | any thoughts | 15:37 |
| sdague | ? | 15:37 |
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| johnthetubaguy | so v2.1 is stricter on the validation there | 15:37 |
| johnthetubaguy | I think novaclient (older version) sends the wrong args | 15:37 |
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| johnthetubaguy | like includes type, or something like that, and that was not added until a later microversion | 15:38 |
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| johnthetubaguy | I remember that breaking someones test somewhere | 15:38 |
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| johnthetubaguy | sdague: not sure if that helps, but I am remembering something about that | 15:39 |
| sdague | this should be the latest novaclient | 15:39 |
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| sdague | consumed via osc | 15:39 |
| johnthetubaguy | it could be used incorrectly | 15:40 |
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| johnthetubaguy | I think there is a way you end up sending a new version, but without the appropriate header, I think andreykurilin looked into this for someone | 15:40 |
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| sdague | that I thought was addressed | 15:42 |
| sdague | it does look like the image_ref is lost | 15:42 |
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| johnthetubaguy | sdague: oh, yeah, the previous error was adding something extra | 15:44 |
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| sdague | yeh, so the image_ref being blank is probably fine | 15:44 |
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| sdague | block_device_mapping": [{"device_name": "vda"}] | 15:44 |
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| sdague | it looks like another osc issue | 15:47 |
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| openstackgerrit | Matt Riedemann proposed openstack/nova: Add checkpoint logging when terminating an instance https://review.openstack.org/229490 | 15:50 |
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| openstackgerrit | Marian Horban proposed openstack/nova: Refactoring of HTTP exception message https://review.openstack.org/223496 | 16:01 |
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| sajeesh | ping johnthetubaguy | 16:06 |
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| mriedem1 | alaski: per https://review.openstack.org/#/c/228980/ and the dependent change for terminate, i think i might add a timer context manager to avoid the start/stop logic all over the place. i looked at timeutils.StopWatch() and it seems a bit heavy handed - plus it's not thread safe. it seems like it'd be good if you needed to do this multiple times in the same method, otherwise it doesn't buy much imo - you'd have to pass it down the call | 16:10 |
| johnthetubaguy | sajeesh: I am around, how can I help? | 16:10 |
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| sajeesh | Hi...when will the block on nested quota driver code be removed ...chains starts from https://review.openstack.org/#/c/151327/ | 16:11 |
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| johnthetubaguy | sajeesh: once the mitaka blueprint and spec gets approved | 16:12 |
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| sajeesh | ok...I have seen your comments...I will reply | 16:12 |
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| sajeesh | thanks john...I will address your comments on the mitaka blueprint ASAP | 16:14 |
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| johnthetubaguy | sajeesh: do ping me if I don't get to review the update soon | 16:15 |
| openstackgerrit | Marian Horban proposed openstack/nova: [WIP]Check boto tests for gate-tempest-dsvm-nova-wsgi-full https://review.openstack.org/229501 | 16:15 |
| andrearosa | danpb: as regards the change to let nova use the new libvirt selective block device migration feature, do we need a specs or we can keep the discussion on the patch proposed? (https://review.openstack.org/227278) | 16:15 |
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| sajeesh | johnthetubaguy: sure...thanks a lot | 16:15 |
| mriedem1 | alaski: actually, looks like could just use this: https://pypi.python.org/pypi/contexttimer | 16:17 |
| mriedem1 | nvm, gplv3 | 16:18 |
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| danpb | andrearosa: well its a bug fix soo doesn't really need a spce | 16:19 |
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| andrearosa | danpb: ok I saw that more as a feature request, thanks for the info. | 16:19 |
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| tdurakov | bauzas, are you around? | 16:23 |
| sdague | mriedem1: we have a context timer in novaclient iirc | 16:24 |
| mriedem1 | so we do | 16:25 |
| mriedem1 | def record_time(times, enabled, *args): | 16:25 |
| sdague | yep | 16:25 |
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| mriedem1 | looks a bit weird | 16:25 |
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| mriedem1 | updating the times tuple by reference | 16:26 |
| mriedem1 | not really what i'm looking for | 16:26 |
| sdague | well, it evolved from odder code that was already there | 16:26 |
| sdague | this was kind of the cleanup | 16:26 |
| mriedem1 | https://pypi.python.org/pypi/contexttimer is pretty much exactly what i want, but GPLv3 | 16:27 |
| sdague | however, it's at least an example | 16:27 |
| mriedem1 | yeah | 16:27 |
| sdague | easy enough to bang it out | 16:27 |
| mriedem1 | i'm actually surprised a simple thing like this isn't in oslo's timeutils | 16:27 |
| sdague | that's building a giant list of timing events | 16:27 |
| mriedem1 | the StopWatch thing is too over the top for what i need | 16:27 |
| sdague | some times the simple patterns just don't occur to folks | 16:27 |
| mriedem1 | i found some guy's blog post where he's basically doing the same thing i am | 16:28 |
| mriedem1 | pretty simple pattern | 16:28 |
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| bauzas | tdurakov: need to go (again) to a local meetup | 16:31 |
| tdurakov | bauzas, no problem, will leave comment in gerrit | 16:31 |
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| openstackgerrit | Moshe Levi proposed openstack/nova: Enhance PCI passthrough whitelist to support regex https://review.openstack.org/199488 | 16:34 |
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| alaski | dansmith: was out this morning (nothing exciting). use_slave seems fine to me for that usage. I think the worst is that a service would end up with an older version than necessary. I can't think of a case where a service would end up sending too new of an RPC | 16:35 |
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| alaski | mriedem1: a timing context manager would be great | 16:42 |
| mriedem1 | cool, just about done with it | 16:44 |
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| mriedem1 | gotsta write a unit test for the timer | 16:44 |
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| ctrath2 | mriedem1: you can ignore my comments regarding oslo_utils.timeutils.StopWatch .. I didn't realize it wasn't threadsafe | 16:50 |
| mriedem1 | too heavy for what i need | 16:51 |
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| ctrath2 | peace | 16:52 |
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| dansmith | alaski: heh | 16:56 |
| dansmith | alaski: yeah, agreed, but I also think the exposure window is small enough between replicas that it's probably not a problem | 16:56 |
| dansmith | alaski: anyway, I updated the patch | 16:56 |
| alaski | agreed | 16:57 |
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| openstackgerrit | Matt Riedemann proposed openstack/nova: Add checkpoint logging when building an instance in compute manager https://review.openstack.org/228980 | 17:15 |
| openstackgerrit | Matt Riedemann proposed openstack/nova: Add checkpoint logging when terminating an instance https://review.openstack.org/229490 | 17:15 |
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| Piet | Sorry for the persistence and cross postings. We still need a handful folks currently usng Nova Networks to complete our survey. https://www.surveymonkey.com/r/osnetworking | 17:21 |
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| twinklechawla | Do I have to setup a VM for the deployment of /devstack/nova or I can deploy it on same machine? | 17:27 |
| mriedem | twinklechawla: http://docs.openstack.org/developer/devstack/#all-in-one-single-vm | 17:28 |
| cfriesen | twinklechawla: it's simplest to use a VM, then you don't risk mucking up your dev machine | 17:28 |
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| cfriesen | mriedem: that's aimed at cloud VMs. For local VMs I prefer just treating it as an "all-in-one single machine" | 17:29 |
| twinklechawla | Now, what I have to do, If I already had all files on my local place? | 17:29 |
| mriedem | twinklechawla: you don't really need devstack to do dev | 17:30 |
| mriedem | git/python/tox go a long way | 17:31 |
| twinklechawla | Ok, make me clear one thing! | 17:31 |
| cfriesen | twinklechawla: you can set it up to share them between host/VM | 17:31 |
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| twinklechawla | when I have to solve a bug then, what is the process to execute that erroneous program? | 17:33 |
| twinklechawla | Actually, I need a mentor, who can guide me as I am facing lots of issues! | 17:34 |
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| mriedem | ctrath: this is havana but guestfs is pointed out http://docs.openstack.org/havana/install-guide/install/apt/content/nova-compute.html | 17:36 |
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| mriedem | ctrath: https://github.com/openstack-dev/devstack/blob/master/lib/nova_plugins/functions-libvirt#L24 | 17:39 |
| ctrath | mriedem: http://specs.openstack.org/openstack/nova-specs/specs/kilo/implemented/qemu-built-in-iscsi-initiator.html | 17:39 |
| mriedem | ctrath: this is the package for ubuntu libguestfs0 | 17:40 |
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| mriedem | https://review.openstack.org/#/c/135854/ | 17:42 |
| twinklechawla | please give me a bit attention, I need help! | 17:43 |
| mriedem | twinklechawla: do you work for a company? | 17:43 |
| mriedem | are you a student? | 17:43 |
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| mriedem | what is your goal here? | 17:44 |
| twinklechawla | Nope, I am a student. | 17:44 |
| twinklechawla | to contribute in 'nova'! | 17:44 |
| mriedem | for 6 months until your senior project is done, right? | 17:44 |
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| twinklechawla | mriedem: I dont understood! | 17:45 |
| mriedem | twinklechawla: there are frequently students that have short-term assignments to work on openstack for say a semester, | 17:46 |
| mriedem | they want help doing whatever their assignment is and then they are gone | 17:46 |
| mriedem | so there is little incentive in spending time mentoring someone in that situation, especially when there are how to contribute and getting starts docs all over | 17:47 |
| twinklechawla | nope, you are mismatching me with those! | 17:47 |
| mriedem | so have you gone through this? http://docs.openstack.org/developer/nova/development.environment.html | 17:48 |
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| twinklechawla | mridem: I am not here to complete any project.. I am here to Start! | 17:48 |
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| twinklechawla | Yup! I read and followed from 'getting code' but skipped the previous part! | 17:50 |
| twinklechawla | mriedem: that VM part! | 17:51 |
| mriedem | so you don't need devstack as i said | 17:51 |
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| twinklechawla | ok, now what next? | 17:51 |
| mriedem | if there are bugs which require special setups to recreate the bug, which is what i think you're asking about, it's probably a bit advanced at this point anyway | 17:52 |
| mriedem | well so you probably want a linux dev env, i run an ubuntu trusty vm for that | 17:52 |
| mriedem | the doc above talks about cloning nova and getting required native deps installed so you can run tox | 17:52 |
| twinklechawla | I found something on https://github.com/openstack/nova/blob/master/nova/test.py#L311 | 17:52 |
| mriedem | if you can get to the point of running tox -r -e py27, you are pretty much ready to go | 17:52 |
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| twinklechawla | mriedem: Yup, I did this but nothing happened.. process is not continuing! | 17:55 |
| mriedem | can we not ! everything please? | 17:56 |
| twinklechawla | docs create: /home/twinkle/nova/.tox/docs | 17:57 |
| twinklechawla | docs installdeps: -r/home/twinkle/nova/requirements.txt, -r/home/twinkle/nova/test-requirements.txt | 17:57 |
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| twinklechawla | now it stopped! | 17:57 |
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| mriedem | you don't manually create the .tox subdirs | 17:58 |
| mriedem | git clone nova | 17:58 |
| mriedem | cd nova | 17:58 |
| mriedem | tox -r -e docs | 17:58 |
| mriedem | that's it | 17:58 |
| openstackgerrit | Mark Doffman proposed openstack/nova: libvirt: Don't attempt to convert initrd images. https://review.openstack.org/225289 | 17:58 |
| mriedem | so, | 17:59 |
| mriedem | cd ~/nova | 17:59 |
| mriedem | tox -r -e docs | 17:59 |
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| twinklechawla | mriedem: I didn't created that one! | 17:59 |
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| twinklechawla | mriedem: this also stopped! | 18:02 |
| mriedem | well, there should be errors if deps failed to install | 18:02 |
| mriedem | make sure you have latest tox/pip/setuptools | 18:03 |
| openstackgerrit | Mark Doffman proposed openstack/nova: Point to cinder options in nova block alloc docs. https://review.openstack.org/229056 | 18:03 |
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| mriedem | zul: this change in kilo https://review.openstack.org/#/c/135854/ says it wouldn't work in ubuntu because the qemu package didn't have what was needed - any idea if that's resolved in a later version, like 14.10? | 18:05 |
| mriedem | twinklechawla: you can use paste.openstack.org to paste logs and traces, etc | 18:06 |
| mriedem | console output | 18:06 |
| zul | mriedem: ugh...thats a horrible way of testing a bug to see if it works or not | 18:06 |
| mriedem | zul: taking the debian package and testing it on trusty? | 18:07 |
| zul | mriedem: yeah | 18:07 |
| twinklechawla | mriedem: I am done with it.. | 18:08 |
| twinklechawla | now what to do? | 18:08 |
| mriedem | you can post the paste link in here if you want someone to look at it | 18:08 |
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| mriedem | e.g. http://paste.openstack.org/show/474902/ | 18:08 |
| zul | mriedem: i still think we would still have that problem with ubuntu 14.04 and later | 18:09 |
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| mriedem | seems like if there is actually a minimum version of qemu required for that to work, the libvirt driver (or volume driver) should be checking that | 18:09 |
| mriedem | rather than relying on what the distros are patching or providing | 18:09 |
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| mriedem | spec doesn't mention which version of qemu is required http://specs.openstack.org/openstack/nova-specs/specs/kilo/implemented/qemu-built-in-iscsi-initiator.html | 18:10 |
| mriedem | just says, "QEMU binary of Ubuntu 14.04 doesn’t have iSCSI support. Users have to install libiscsi2 package and libiscsi-dev from Debian and rebuild QEMU binary with libiscsi support by themselves." | 18:10 |
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| mriedem | if you're a fedora or red hat or suse user, shrug | 18:11 |
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| * mriedem goes to open bug | 18:11 | |
| ctrath | mriedem: https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1271573 | 18:12 |
| openstack | Launchpad bug 1271573 in qemu (Ubuntu) "please add iSCSI support back to qemu packages" [Wishlist,Won't fix] | 18:12 |
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| doffm | ctrath: I think that answers the question. | 18:14 |
| ctrath | so, what do we use instead? | 18:14 |
| doffm | mriedem: The docs could be more clear that there isn't a minimum version for redhat / other but that this is a ubuntu specific thing. | 18:14 |
| mriedem | ctrath: ceph/rbd? | 18:15 |
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| mriedem | doffm: well i assume there is still a specific libvirt/qemu min version required for this | 18:15 |
| mriedem | danpb might know | 18:15 |
| mriedem | i reported a bug for nova https://bugs.launchpad.net/nova/+bug/1501447 | 18:16 |
| openstack | Launchpad bug 1501447 in OpenStack Compute (nova) "QEMU built-in iscsi initiator support should be version-constrained in the driver" [Medium,Confirmed] | 18:16 |
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| twinklechawla | mriedem: check this http://paste.openstack.org/show/474903/ | 18:16 |
| boris-42 | mriedem: hi | 18:16 |
| boris-42 | mriedem: seems like something is broken in nova again http://logs.openstack.org/31/190931/5/check/gate-rally-dsvm-rally-nova/0d0126e/logs/screen-n-cpu.txt.gz?level=TRACE | 18:17 |
| mriedem | twinklechawla: it says it completed | 18:17 |
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| doffm | mriedem: Seems support was added around 2011. I'll check the repo for the exact version. | 18:17 |
| mriedem | boris-42: which part, the timeouts or the nbd thing? | 18:17 |
| twinklechawla | yipee! now what next? | 18:17 |
| boris-42 | mriedem: so 2015-09-30 17:37:41.213 7786 ERROR nova.compute.manager File "/opt/stack/new/nova/nova/compute/manager.py", line 1564, in _allocate_network_async | 18:17 |
| boris-42 | 18:17 | |
| boris-42 | mriedem: this is not nbd related | 18:17 |
| mriedem | so the rpc timeout | 18:18 |
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| mriedem | boris-42: have you seen this? https://review.openstack.org/#/c/228636/ | 18:18 |
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| twinklechawla | mriedem: I sent you a bug.. may I start work on it! | 18:21 |
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| doffm | mriedem: iSCSI support has been in qemu since version 1.0 Feb 2 2012 | 18:25 |
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| cfriesen | ctrath: can't you still set it up so that the host does the iscsi initiator stuff? Or did we pull that stuff out of nova? | 18:26 |
| boris-42 | mriedem: and ? | 18:28 |
| mriedem | boris-42: i was just noticing that your rally run only has 2 conductor workers | 18:28 |
| mriedem | boris-42: how many conductor workers does it have when things work? | 18:29 |
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| boris-42 | mriedem: it is standard job (not large ops) | 18:29 |
| mriedem | boris-42: i can't tell from this if it's new really or not http://goo.gl/AF7aCd | 18:29 |
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| ctrath | cfriesen: good question. I see this: https://review.openstack.org/#/c/135854/ | 18:29 |
| mriedem | i guess it is spiking over the last 24 hours | 18:29 |
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| cfriesen | ctrath: yeah...that adds the support to use libiscsi. But I think you can still turn that off and do it the old way. | 18:31 |
| doffm | cfriesen: Was it pulled out to os_brick? Still possible to do. | 18:31 |
| cfriesen | ctrath: just make sure your host udev rules are set up so that you're not auto-mounting the cinder-volumes on the host. | 18:32 |
| ctrath | cfriesen: but will that work with an ubuntu compute since there is no libiscsi? | 18:32 |
| mriedem | boris-42: so looking at http://logs.openstack.org/31/190931/5/check/gate-rally-dsvm-rally-nova/0d0126e/rally-plot/results.html.gz am i supposed to think this could be related to pause/unpause and shelve/unshelve tests? | 18:33 |
| cfriesen | ctrath: with the old mechanism you'd use something like iscsi-initiator-utils on the host | 18:33 |
| mriedem | boris-42: i don't really see anything merged in the last 24 hours that looks related to the failure you're seeing https://github.com/openstack/nova/commits/master | 18:33 |
| ctrath | cfriesen: ok.. Do you know if there are any docs for the old mech? | 18:33 |
| boris-42 | mriedem: so that one is related only to the large ops | 18:33 |
| boris-42 | mriedem: this started failing few days ago | 18:33 |
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| twinklechawla | mriedem: plz check https://github.com/openstack/nova/blob/master/nova/test.py#L311 | 18:35 |
| cfriesen | ctrath: not offhand, no. sorry. | 18:35 |
| ctrath | ok | 18:35 |
| sdague | boris-42: right, you saw my post about reducing the number of API and conductor workers in default devstack, right? | 18:36 |
| twinklechawla | What I should do further? | 18:36 |
| sdague | that's definitely going to change your load characteristics given that you are generating load in rally | 18:36 |
| sdague | so you may need to change that from the defaults | 18:37 |
| boris-42 | sdague: so let me find the exact date when this started failing | 18:37 |
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| jlk | ctrath: howdy. | 18:40 |
| ctrath | jlk: hey | 18:40 |
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| ctrath | jlk: so cfriesen said you can use iscsi-initiator-utils on the host | 18:40 |
| ctrath | jlk: no known docs | 18:42 |
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| jlk | I'm pretty sure that's what we're doing right now. The iscsi tools run on the compute host, and nova via rootwrap cause the iscsi device to get attached to the host, then the guest gets it mapped in | 18:42 |
| ctrath | jlk: so, is there an issue? | 18:43 |
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| jlk | yes :) | 18:43 |
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| jlk | tools on the host OS still see all the attached iscsi devices, and there seems to be instability inside the guest if the iscsi source suffers an outage. | 18:44 |
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| mriedem | twinklechawla: i don't know what you're asking about in https://github.com/openstack/nova/blob/master/nova/test.py#L311 | 18:44 |
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| mriedem | twinklechawla: there are low-hanging-fruit bugs here https://bugs.launchpad.net/nova/+bugs?field.tag=low-hanging-fruit&orderby=status&start=0 | 18:45 |
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| ctrath | jlk: alright, so you don't want to route through the host | 18:46 |
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| mriedem | jlk: you might want to ask about this in the cinder channel | 18:46 |
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| jlk | I think so, but I'm making an assumption on the part of stability concerns. Certainly for host OS exposed to all the volumes concern would go away. | 18:47 |
| twinklechawla | mriedem: Yes! I gone through this but I didn't find anything | 18:47 |
| twinklechawla | have* | 18:47 |
| * jlk needs to run to lunch. | 18:47 | |
| twinklechawla | could u plz help me in finding one? | 18:48 |
| doffm | jlk: Hate to say it, but have you considered building a custom ubuntu package for your host OS? | 18:48 |
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| jlk | doffm: of course. That's certainly a road we can do down. it's not the preferred path, but it's one we can take if the usage of qemu's iscsi capability results in a better experience overall. | 18:53 |
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| openstackgerrit | Nikola Dipanov proposed openstack/nova: Revert "Store correct VirtCPUTopology" https://review.openstack.org/229573 | 18:53 |
| openstackgerrit | Nikola Dipanov proposed openstack/nova: hardware: stop using instance cell topology in CPU pinning logic https://review.openstack.org/229574 | 18:53 |
| openstackgerrit | Nikola Dipanov proposed openstack/nova: Fix CPU pinning for odd number of CPUs w hyperthreading https://review.openstack.org/229575 | 18:53 |
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| openstackgerrit | Matt Riedemann proposed openstack/nova: libvirt: raise minimum required version to 0.10.2 https://review.openstack.org/229577 | 18:54 |
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| mriedem | twinklechawla: try this https://bugs.launchpad.net/nova/+bug/1309580 | 18:56 |
| openstack | Launchpad bug 1309580 in OpenStack Compute (nova) "xenserver driver raises NotImplementedError for reset_network" [Medium,Confirmed] | 18:56 |
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| twinklechawla | mriedem: thnks... | 18:56 |
| openstackgerrit | Adelina Tuvenie proposed openstack/nova: Replace function.func_name with function.__name__ https://review.openstack.org/229578 | 18:56 |
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| twinklechawla | mriedem: I am unable to understand this.. could you please help me? | 18:59 |
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| sdague | mriedem: https://github.com/openstack/python-novaclient/commit/5153dcda807c554769081626c10c43d16adea671 is probably the reason we can't move grenade over | 19:03 |
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| sdague | melwitt: how do you feel about a revert there ? | 19:05 |
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| melwitt | sdague: sorry, I don't have the context on what's going on. that commit is causing issues? | 19:08 |
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| openstackgerrit | Sean Dague proposed openstack/python-novaclient: Revert "[BugFix] Change parameters for legacy bdm" https://review.openstack.org/229581 | 19:08 |
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| sdague | that commit removed the == 1 branch | 19:09 |
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| sdague | which is what osc has been using for building boot from volume requests | 19:09 |
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| sdague | melwitt: https://github.com/openstack/python-novaclient/commit/5153dcda807c554769081626c10c43d16adea671#diff-e81a0faa42b6cb340cda6b2a00f3463dL290 | 19:10 |
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| tdurakov | johnthetubaguy, hi John could you look at this patch again: https://review.openstack.org/#/c/227897/2 | 19:11 |
| tdurakov | i wonder do we have appropriate pattern for such cases? | 19:12 |
| tdurakov | melwitt, can i ask you to take a look too^ | 19:14 |
| melwitt | sdague: ah, I see :( it's private so I thought it would be safe to change. in novaclient that function is used only for bdm v1 parsing and v2 uses separate logic (not ideal) | 19:14 |
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| openstackgerrit | Sean Dague proposed openstack/python-novaclient: Revert "[BugFix] Change parameters for legacy bdm" https://review.openstack.org/229581 | 19:15 |
| sdague | melwitt: well, even though it's private, it takes a public param as passes it through without inquiry | 19:16 |
| sdague | it's more that it's an inner function than a private one | 19:16 |
| sdague | https://github.com/openstack/python-novaclient/blob/760ad3eb841a96c3c12fd87c4ae745cff9997090/novaclient/v2/servers.py#L499-L502 | 19:16 |
| melwitt | sdague: hm, I see what you mean. that implies that osc is passing bdm v2 through the block_device_mapping kwarg instead of the block_device_mapping_v2 kwarg? (if it's broken, that is) | 19:17 |
| sdague | it's actually passing bdm v1 | 19:18 |
| sdague | or, maybe they thing you just said | 19:18 |
| sdague | but right, it's coming in via block_device_mapping kwarg for sure | 19:19 |
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| sdague | yeh, it's just using the bdm1 interface entirely from what I can see | 19:20 |
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| boris-42 | sdague: so actually on 24 Sep it was failing in the same way | 19:23 |
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| boris-42 | sdague: so between 20 and 21 Sep it started | 19:24 |
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| sdague | well the worker change landed on the 24th - https://review.openstack.org/#/c/226831/ | 19:25 |
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| melwitt | sdague: do we know what keys in the bdm dict are missing? I think source_type is v2 only, checking on the others | 19:26 |
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| sdague | melwitt: I'm not sure I know everything that must be there | 19:28 |
| sdague | however, because of this parse change, the bdm dict sent to the server is just {"device": "vda"} | 19:28 |
| sdague | https://bugs.launchpad.net/python-openstackclient/+bug/1501435 has the details of the requests there | 19:28 |
| openstack | Launchpad bug 1501435 in python-openstackclient "osc 1.7 no longer can boot a server from volume" [Critical,New] | 19:28 |
| sdague | of what was happing before | 19:28 |
| sdague | and what happens now | 19:29 |
| melwitt | sdague: thanks for that link, looking | 19:29 |
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| mriedem | tdurakov: can you use https://github.com/openstack/oslo.utils/blob/master/oslo_utils/excutils.py#L140 in there? | 19:29 |
| sdague | ok, I got to run | 19:29 |
| tdurakov | mriedem, in worst case i need to catch somehow 2 exceptions | 19:30 |
| tdurakov | is it possible with save and rearaise? | 19:30 |
| mriedem | tdurakov: well you could always keep a list of exceptions until the end and then raise the first one encountered | 19:30 |
| mriedem | save_and_reraise_exception will swallow anything in that context block and raise the original exception | 19:31 |
| mriedem | unless you tell it not to | 19:31 |
| tdurakov | mriedem, ack, thank you! let me try this | 19:31 |
| mriedem | dansmith: you want to ack this? https://review.openstack.org/#/c/227451/ it's a backport | 19:32 |
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| dansmith | yep | 19:34 |
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| tdurakov | mriedem, http://xsnippet.org/361025/ | 19:38 |
| tdurakov | or http://xsnippet.org/361026/ | 19:39 |
| tdurakov | decorators will catch another exception in both case | 19:39 |
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| tdurakov | *second one | 19:40 |
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| openstackgerrit | Matthew Treinish proposed openstack/python-novaclient: SUPER HACKY TEST PATCH https://review.openstack.org/229592 | 19:48 |
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| mtreinish | clarkb: ^^^ do you know off the top of your head if ~stack will go to the devstack dir, or somewhere else? | 19:48 |
| mtreinish | we can easily hardcode the absolute path for that too, if you know that | 19:49 |
| melwitt | tdurakov: I was thinking to not catch any exceptions at all, and just change the ordering. move setup_networks_on_host after rollback_live_migration_at_destination | 19:49 |
| clarkb | mtreinish: ~stack is /opt/stack/new iirc | 19:49 |
| mtreinish | ah, ok then yeah that won't work | 19:49 |
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| tdurakov | melwitt, hm, reordering:) then someone fill similar bug later, trying to teardown networks anyway:) | 19:50 |
| tdurakov | *file | 19:50 |
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| melwitt | tdurakov: heh, maybe. | 19:51 |
| mriedem | ctrath: https://docs.python.org/3/library/unittest.mock.html#patch | 19:51 |
| mriedem | ctrath: "If patch() is used as a decorator and new is omitted, the created mock is passed in as an extra argument to the decorated function." | 19:52 |
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| mriedem | ctrath: like this https://review.openstack.org/#/c/183220/2/nova/tests/unit/virt/libvirt/test_driver.py | 19:56 |
| openstackgerrit | Matthew Treinish proposed openstack/python-novaclient: SUPER HACKY TEST PATCH https://review.openstack.org/229592 | 19:58 |
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| mtreinish | jgriffith, dtroyer: ^^^ that super hacky test patch should test that osc works after the revert | 20:05 |
| mtreinish | well assuming I got the path right | 20:06 |
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| melwitt | tdurakov: I just commented on the idea of a try-except-else | 20:09 |
| mtreinish | sdague: ^^^ you too I guess :) | 20:09 |
| jwcroppe | bauzas: you still up? | 20:10 |
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| jwcroppe | Does anyone have any idea if it was intentional that scheduler filters' 'run_filter_once_per_request' attribute is a class variable? Seems like a recipe for problems, but maybe I'm missing something? | 20:13 |
| jwcroppe | bauzas, edleafe: ^^^ | 20:13 |
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| openstackgerrit | Hans Lindgren proposed openstack/nova: Remove lazy-loading property compute_task_api from compute api https://review.openstack.org/168859 | 20:16 |
| openstackgerrit | Hans Lindgren proposed openstack/nova: Remove conductor 2.x RPC API https://review.openstack.org/168858 | 20:16 |
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| edleafe | jwcroppe: SInce it's designed to be defined in each subclass, I don't see the potential harm | 20:20 |
| edleafe | jwcroppe: you have separate classes for each filter, so it makes sense | 20:21 |
| jwcroppe | edleafe: yeah, but that means you can't really subclass things... just feels more like an instance variable IMO | 20:23 |
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| jwcroppe | edleafe: actually - https://github.com/openstack/nova/blob/master/nova/filters.py#L49 | 20:25 |
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| edleafe | jwcroppe: I don't get your concern | 20:26 |
| edleafe | jwcroppe: changing the value of a class variable in a subclass doesn't affect the superclass | 20:26 |
| edleafe | jwcroppe: http://paste.openstack.org/show/474940/ | 20:28 |
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| edleafe | jwcroppe: gotta run out to pick up the kid. Back later. | 20:29 |
| jwcroppe | edleafe: np - I'll comment in a sec (multi-tasking) | 20:30 |
| jwcroppe | :) | 20:30 |
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| mriedem | mtreinish: ha https://review.openstack.org/#/q/status:open+project:openstack/nova+branch:stable/kilo+topic:bug/1452224-kilo,n,z | 20:37 |
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| mtreinish | mriedem: heh, yep 7 patches | 20:39 |
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| openstackgerrit | Matthew Treinish proposed openstack/python-novaclient: SUPER HACKY TEST PATCH https://review.openstack.org/229592 | 20:41 |
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| mtreinish | mriedem: are you gonna push up the depends on for test-stamp-pattern too to test that its worth it | 20:42 |
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| mriedem | mtreinish: that's the plan | 20:43 |
| mriedem | but someone went and refactored the timestapm stuff in the scenario tests so i have to rebase first | 20:43 |
| sdague | melwitt: so, with the novaclient revert we're not rejecting on the schema | 20:43 |
| mtreinish | mriedem: got to watch out for that bitrot | 20:44 |
| sdague | because, apparently, you are right, novaclient was sending bdm2 on the bdm attribute | 20:44 |
| sdague | and has been forever | 20:44 |
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| sdague | so, as we stand, novaclient and osc can't boot from volume in the simple case | 20:45 |
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| sdague | if we revert that, nova rejects the request on strong validation | 20:45 |
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| melwitt | sdague: oh, hm. so maybe we have to roll forward and just put the volume_id back for the mapping_parts == 1 case. I think that'll work but wasn't 100% and thought the revert is safer | 20:58 |
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| sdague | right, it will mean some people lose access to boot from volume until they upgrade the client | 20:59 |
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| sdague | melwitt: ok, well I have to run, I put the whole thing out on the mailing list | 21:03 |
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| sdague | maybe people can weigh in over night | 21:03 |
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| melwitt | cool, thanks sdague | 21:14 |
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| jlk | ctrath: cfriesen: sorry for the long delay. So yes, we may have to stick with iscsi outside of qemu until/unless we build our own qemu packages. What I was curious about was where guestfs comes into play, as ctrath had relayed a statement about making use of that for stability. | 21:15 |
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| mriedem | jlk: i think those are unrelated | 21:19 |
| jlk | That's what I thought too, but I was having an open mind :) | 21:19 |
| mriedem | jlk: nbd + ubuntu 12.04 + neutron namespaces was a big problem in havana/icehouse | 21:19 |
| mriedem | like kernel panic in 25% of neutron gate runs | 21:19 |
| jlk | nod. That's our config for a lot of our customers right now | 21:19 |
| mriedem | so the solution was to not use nbd | 21:19 |
| mriedem | jlk: do you see kernel panics? | 21:20 |
| jlk | "not use nbd" means using qemu native iscsi? | 21:20 |
| mriedem | no | 21:20 |
| mriedem | means using this https://github.com/openstack/nova/blob/master/nova/virt/disk/vfs/guestfs.py | 21:20 |
| jlk | mriedem: we don't often, but what we see is if the iscsi server has a network blip, instances get into a wedged state and we have to manually reboot them and re-attach volumes | 21:20 |
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| jlk | mriedem: oh I see. And all we need to make use of that is install the libguestfs software and python guestfs module? | 21:23 |
| openstackgerrit | Michael Still proposed openstack/nova-specs: Locking servers by service token https://review.openstack.org/203880 | 21:23 |
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| mriedem | jlk: it might be unrelated, the guestfs stuff might have been more about file injection | 21:26 |
| jlk | I see, it's purpose is only for file injection? I don't believe we're seeing any trouble there. | 21:27 |
| mriedem | i can dig up the nbd kernel panic bug | 21:28 |
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| mriedem | bug 1273386 | 21:28 |
| openstack | bug 1273386 in devstack "Neutron namespace metadata proxy triggers kernel crash on Ubuntu 12.04/3.2 kernel" [Undecided,In progress] https://launchpad.net/bugs/1273386 | 21:28 |
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| jlk | ah. We've been upgrading our clusters to the kernel from 14.04 | 21:29 |
| mriedem | https://review.openstack.org/#/c/54746/ | 21:29 |
| mriedem | ok, yeah | 21:29 |
| mriedem | the change back in icehouse was to force config drive in devstack | 21:30 |
| mriedem | so no file injection which was using nbd and causing a kernel panic with neutron | 21:30 |
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| dims_ | sdague: mriedem: relaxing the server side code a little bit seems to deploy just fine - http://paste.openstack.org/show/474953/ (boot from volume) | 21:33 |
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| openstackgerrit | Matthew Treinish proposed openstack/nova: Add sample config file to nova docs https://review.openstack.org/212778 | 22:34 |
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| openstackgerrit | Matthew Treinish proposed openstack/nova: Add sample config file to nova docs https://review.openstack.org/212778 | 22:35 |
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| _diana_ | Hi folks: I'm editing a nova object class for the first time (adding a method). Are there any docs that explain bumping the version, obj_relationships, updating the hashes, etc? Thanks! | 23:00 |
| dansmith | _diana_: adding a remotable method? | 23:00 |
| _diana_ | dansmith: yup | 23:00 |
| _diana_ | dansmith: also, you're fast! | 23:00 |
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| dansmith | _diana_: then you need a version bump, and the tests that do the hashing will "guide" you after that | 23:01 |
| _diana_ | dansmith: Ah, cool. I'll give that a go. Thanks! | 23:01 |
| dansmith | _diana_: and unless you're adding it on a very lonely object, you'll probably get failures from other objects begging to be bumped because of a depedency | 23:01 |
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| openstackgerrit | melanie witt proposed openstack/python-novaclient: Always send volume_id when booting with legacy bdm https://review.openstack.org/229669 | 23:02 |
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| dansmith | _diana_: if any of it doesn't make sense, ping me tomorrow and we can walk through each thing | 23:04 |
| _diana_ | dansmith: awesome, thanks! | 23:04 |
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| openstackgerrit | melanie witt proposed openstack/python-novaclient: Always send volume_id when booting with legacy bdm https://review.openstack.org/229669 | 23:05 |
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| openstackgerrit | melanie witt proposed openstack/python-novaclient: Always send volume_id when booting with legacy bdm https://review.openstack.org/229669 | 23:23 |
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| openstackgerrit | Davanum Srinivas (dims) proposed openstack/nova: Use os-testr for py34 tox target https://review.openstack.org/229069 | 23:55 |
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