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| Sukhdev | Hello folks time for ironic-neutron meeting | 16:01 |
|---|---|---|
| Sukhdev | jroll: are you here? | 16:01 |
| Sukhdev | devananda:are you here? | 16:01 |
| amotoki | hi | 16:01 |
| jroll | morning Sukhdev | 16:01 |
| jroll | I'm in another meeting at the same time, so may be slow to respond | 16:02 |
| Sukhdev | Good morning - | 16:02 |
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| Sukhdev | shall we get started? | 16:02 |
| Sukhdev | #startmeeting ironic_neutron | 16:03 |
| viveknarasimhan | Sukhdev: Good morning | 16:03 |
| openstack | Meeting started Mon Jun 15 16:03:08 2015 UTC and is due to finish in 60 minutes. The chair is Sukhdev. Information about MeetBot at http://wiki.debian.org/MeetBot. | 16:03 |
| openstack | Useful Commands: #action #agreed #help #info #idea #link #topic #startvote. | 16:03 |
| *** openstack changes topic to " (Meeting topic: ironic_neutron)" | 16:03 | |
| openstack | The meeting name has been set to 'ironic_neutron' | 16:03 |
| lazy_prince | o/ | 16:03 |
| Sukhdev | #topic: Agenda | 16:03 |
| *** openstack changes topic to ": Agenda (Meeting topic: ironic_neutron)" | 16:03 | |
| Sukhdev | #link: https://wiki.openstack.org/wiki/Meetings/Ironic-neutron | 16:03 |
| Sukhdev | #topic: Announcements | 16:04 |
| *** openstack changes topic to ": Announcements (Meeting topic: ironic_neutron)" | 16:04 | |
| Sukhdev | Folks, we have two specs which are looking very good | 16:04 |
| Sukhdev | thanks to jroll and lauramoore for pushing the updated versions | 16:04 |
| Sukhdev | I see lots of people left some good comments | 16:05 |
| Sukhdev | I just wanted to go over these specs quickly | 16:05 |
| Sukhdev | And, also want to ask if anybody wants to add anything to the agenda? | 16:05 |
| Sukhdev | #topic: Network Flip spec | 16:06 |
| *** openstack changes topic to ": Network Flip spec (Meeting topic: ironic_neutron)" | 16:06 | |
| Sukhdev | #link: https://review.openstack.org/#/c/187829/ | 16:06 |
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| Sukhdev | jroll: can you spend few minutes to address your concern about the API? | 16:07 |
| Sukhdev | did others have opportunity to review it? | 16:08 |
| Sukhdev | jroll is in two meetings :-) | 16:08 |
| viveknarasimhan | Sukhdev: can we add neutron-side questions to the agenda | 16:08 |
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| Sukhdev | viveknarasimhan: what do you in mind? | 16:08 |
| jroll | Sukhdev: 1) I need to think about it more :) | 16:09 |
| viveknarasimhan | Sukhdev: we can take that after discussing prime Ironic things in this meeting | 16:10 |
| Sukhdev | viveknarasimhan: sounds good | 16:10 |
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| Sukhdev | jroll: still waiting for your 2) :-) | 16:12 |
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| Sukhdev | lazy_prince: did you have a chance to review the updated version of the specs? | 16:14 |
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| jroll | Sukhdev: oh, I take back the 2) :P | 16:14 |
| lazy_prince | yes.. i did.. and it looks good to me.. | 16:14 |
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| Sukhdev | jroll: ah ha - you fooled me :-) | 16:15 |
| amotoki | very basic question from a newbie of ironic on 'NetworkProvider' driver in the net-flip spec. When is this driver called? | 16:15 |
| jroll | sorry Sukhdev :P | 16:15 |
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| lazy_prince | network provider :) | 16:15 |
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| Sukhdev | amotoki: jroll can give more precise answer, my understating is during deploy phase, | 16:17 |
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| Sukhdev | amotoki: prior to the local boot of node | 16:17 |
| lazy_prince | aha.. when.. okay.. here is the answer.. | 16:17 |
| amotoki | I am a neutron guy and need to study more... I just wonder when new methods are called in the procedure of launcing instance. | 16:17 |
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| lazy_prince | first.. before image is deployed on server.. | 16:18 |
| lazy_prince | and second, after the server is provisioned.. | 16:19 |
| Sukhdev | jroll: anything specific you want to talk about API? | 16:20 |
| lazy_prince | during first part, the node will be connected to the provisioning network (where server can PXE boot and reach ironic APIs.. | 16:20 |
| jroll | Sukhdev: no, I need to think on it more. it will be similar, let's focus on any other questinos etc | 16:20 |
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| lazy_prince | during second part, it will be connected to the tenant network where there will be no connectivity to PXE and Ironic APIs. | 16:21 |
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| viveknarasimhan | lazy_prince: For the initial connectivity on the provisioning network, Neutron is not involved right? | 16:22 |
| lazy_prince | it is... | 16:22 |
| Sukhdev | viveknarasimhan: in both cases, neutron is involved | 16:22 |
| spandhe | lazy_prince: maybe from somewhere here? https://github.com/openstack/ironic/blob/master/ironic/drivers/modules/pxe.py#L290 | 16:22 |
| amotoki | viveknarasimhan: the provisioning network is a neutron network. | 16:22 |
| viveknarasimhan | In the first case do we take action, I mean neutron takes any action? | 16:22 |
| lazy_prince | jroll: why do we need two different network for cleaning and provisioning.. ? | 16:22 |
| viveknarasimhan | wouldn't bind-requested be False in the first boot | 16:23 |
| Sukhdev | viveknarasimhan: yes | 16:23 |
| jroll | lazy_prince: some deployers may want that as untrusted machines are coming into cleaning. could be configured to be the same network, though | 16:23 |
| amotoki | in my understanding, we can use a same network for provisioning and cleaning, but we can use separate networks. | 16:24 |
| lazy_prince | jroll: then someone should configure that in the config file.. right..? | 16:24 |
| lazy_prince | jroll: is that captured in the spec..? | 16:24 |
| jroll | lazy_prince: correct. maybe? not sure :) | 16:24 |
| Sukhdev | lazy_prince: I thought I saw cleaning network in the spec | 16:25 |
| selvakumar_s | lazy_prince line no 198 it is mentioned | 16:25 |
| amotoki | but I see only one config (provisioing_network) now | 16:25 |
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| jroll | please note that on the spec so I can fix it :) | 16:26 |
| Sukhdev | amotoki: you may want to leave a comment there - I think it should be there as well | 16:26 |
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| amotoki | Sukhdev: sure. I just know the spec and am reading it now :-) | 16:27 |
| lazy_prince | Sukhdev: thats for provisioning network. we are talking about cleaning network.. i left a comment on the spec. | 16:27 |
| jroll | Sukhdev: ok, I'm clear of my other meeting now, you have my full attention :) | 16:27 |
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| Sukhdev | jroll: cool - thanks | 16:27 |
| Sukhdev | lazy_prince: good | 16:28 |
| Sukhdev | jroll: lazy_prince: so, if the deployer wants to you use cleaning network, then we are switching between three networks | 16:28 |
| Sukhdev | i.e. provisioning, cleaning and tenant network | 16:28 |
| jroll | Sukhdev: yes. cleaning happens after "nova delete". shouldn't be a problem. | 16:29 |
| Sukhdev | All three should be in the config - if not already there | 16:29 |
| jroll | tenant network should not be in config, but yes I get what you mean :) | 16:29 |
| amotoki | two should be in the config. | 16:29 |
| jroll | and lazy_prince fwiw cleaning_network is already in the config, maybe that's why I didn't add it to the spec | 16:29 |
| Sukhdev | jroll: Oh in that case, you can just clarify for the new readers :-) | 16:30 |
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| jroll | Sukhdev: indeed | 16:30 |
| lazy_prince | is it so...? Sorry if i missed it.. but as of now, there is no network switching in ironic. i wonder how is it being done today.. | 16:30 |
| jroll | lazy_prince: it's used to set up dhcp for cleaning things. generally assumed to be the same network as the provisioning/tenant networks | 16:31 |
| jroll | lazy_prince: since usually nova initializes the ports used for provisioning network | 16:32 |
| jroll | lazy_prince: https://github.com/openstack/ironic/blob/master/ironic/dhcp/neutron.py#L52 | 16:32 |
| lazy_prince | aha.. i get it now.. | 16:32 |
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| Sukhdev | jroll: on a flat network, they will be all same, right - that is what you mean? | 16:32 |
| amotoki | ah.. got it. | 16:32 |
| jroll | Sukhdev: yes | 16:33 |
| jroll | but ironic needed to know what that network was somehow | 16:33 |
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| Sukhdev | So, jroll, this spec looks pretty good to me, hence I gave it a +1 | 16:34 |
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| lazy_prince | I will change my vote then.. | 16:35 |
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| Sukhdev | most of the discussion is essentially clarifications | 16:35 |
| jroll | ok great | 16:35 |
| jroll | still need ironic people to review it more :) | 16:35 |
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| Sukhdev | devananda: are you here? | 16:35 |
| Sukhdev | jroll: yes, we need ironic cores to bless it | 16:36 |
| Sukhdev | jroll: may be nova folks too | 16:36 |
| jroll | Sukhdev: I'll talk to nova folks about it | 16:36 |
| jroll | don't think it should be a big deal | 16:36 |
| jroll | and will mention it in ironic meeting | 16:36 |
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| Sukhdev | jroll: cool - thanks | 16:37 |
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| Sukhdev | Anything else on this spec? | 16:37 |
| Sukhdev | Any other questions/clarifications? | 16:37 |
| Sukhdev | Please leave comments on the spec so that jroll can clear it up | 16:37 |
| jroll | ++ | 16:37 |
| Sukhdev | Shall we move to next spec? | 16:38 |
| Sukhdev | #topic: Port connectivity spec | 16:38 |
| *** openstack changes topic to ": Port connectivity spec (Meeting topic: ironic_neutron)" | 16:38 | |
| Sukhdev | #link: https://review.openstack.org/#/c/188528/2 | 16:38 |
| Sukhdev | Laura or Bertie are not here | 16:38 |
| lauramoore | Sukhdev, I just joined | 16:38 |
| lauramoore | apologies for being late | 16:39 |
| Sukhdev | lauramoore: perfect timing :-) | 16:39 |
| Sukhdev | This spec looks good as well | 16:39 |
| lauramoore | so first off, thanks to everyone who has commented so far, i'm just going through the comments now | 16:39 |
| Sukhdev | I did not see any show stopper | 16:40 |
| amotoki | I think it looks good in general. | 16:40 |
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| amotoki | regarding neutron side, I am thinking to define a new field for a neutron port to pass physical information rather than using a binding:profile in Neutron. | 16:40 |
| jroll | so I reviewed this shortly before the meeting, and it's looking good so far. just lots of questions from me, but nothing major :) | 16:40 |
| viveknarasimhan | amotoki: +1 | 16:41 |
| amotoki | binding:profile was originally introduced to allow vendor drivers to use it freely and the field has no schema check. | 16:41 |
| amotoki | Thus I think it is better to define a new attribute with a schema definition. | 16:41 |
| viveknarasimhan | This information is going to expand in the future | 16:41 |
| viveknarasimhan | amotoki: the new field could be used by mech-drivers to claim a physical port to bind | 16:42 |
| amotoki | viveknarasimhan: yes | 16:42 |
| Sukhdev | amotoki: I had detailed discussion on this topic - and decided that we should proceed with the proposed model | 16:42 |
| jroll | amotoki: while I tend to agree with more strict schemas, there's two things here: 1) this info may not be the same for all drivers, and 2) we're trying not to modify core neutron things unless we really need to. | 16:42 |
| viveknarasimhan | amotoki: I also saw that existing mech-drivers that donot support physical ports, can tag on this and Unclaim serving the port | 16:42 |
| Sukhdev | amotoki: We can discuss this in the neutron meeting - but, I have already covered it somewhat | 16:43 |
| amotoki | jroll: agree. at least we need to define the same level of API definitions as we define in Ironic API. | 16:43 |
| viveknarasimhan | Sukhdev: we can proceed with binding-profile for this release for rolling out | 16:43 |
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| Sukhdev | amotoki: You are referring to new resource label model, this requires more thinning an hardening | 16:43 |
| viveknarasimhan | Sukhdev: but as we build more capabilities in Ironic and neutron, this would be better off treated as separat column in Port model of neutron | 16:43 |
| amotoki | Sukhdev: i don't necessarily think about resource label model, but it is one option. | 16:44 |
| Sukhdev | viveknarasimhan, amotoki : there are few issues with any of those models and I articulated those in a different meeting | 16:45 |
| amotoki | we can simply define a new attribute in port:binding (or another) neutron extension. | 16:45 |
| Sukhdev | viveknarasimhan amotoki : unless we harden those, we do not want to risk this integration - | 16:45 |
| amotoki | it does not affect Ironic spec and the spec discusses what information are needed. | 16:45 |
| Sukhdev | the interface to the neutron (from Ironic side) is very simple and clean and information can be dumped into any field in the future - | 16:46 |
| viveknarasimhan | Sukhdev: yes we discussed ramifications and neutron rpprovals required for new extensions | 16:46 |
| Sukhdev | but, it has ramifications on the neutron core, ML2 plugin and ML2 drivers | 16:46 |
| amotoki | Sukhdev: agree. we are clarifying what are needed. | 16:46 |
| viveknarasimhan | Sukhdev: we can probably pursue the expansion in next release ... and pursue binding_profile for vlan-provisioning in Liberty | 16:46 |
| jroll | I agree that we should continue to think about it for the future and go with binding_profile for now. | 16:47 |
| Sukhdev | amotoki: binding profile was designed for this kind of information - adding additional field will be almost same, isn't it? | 16:48 |
| viveknarasimhan | Sukhdev, amotoki: one more point on neutron side to put on is mech-driver claiming | 16:48 |
| viveknarasimhan | since VLAN is widely supported in neutron today by all mech-drivers, it becomes imperative to fix such mech-drivers to ignore binding physical -ports on VLAN network | 16:48 |
| viveknarasimhan | except for those mech-drivers that woudl want to serve Ironic | 16:49 |
| Sukhdev | viveknarasimhan: actually, it will be fully backward compatible - | 16:49 |
| amotoki | Sukhdev: binding:profile was designed for free area, so i personally want not to apply a specific data model for biding profile. | 16:49 |
| Sukhdev | no body uses binding profile | 16:49 |
| Sukhdev | amotoki: understood - | 16:50 |
| amotoki | hehe.... mellanox driver use it. | 16:50 |
| lauramoore | hi Sukhdev, can i also raise the issue of security of info in binding-profile - do we need an additional way of securing it? | 16:50 |
| Sukhdev | amotoki: there is one (i was trying to finish my sentence :-)) - | 16:50 |
| amotoki | lauramoore: could you elaborate more? | 16:51 |
| Sukhdev | amotoki: it is used to pass the physical connectivity information | 16:51 |
| Sukhdev | lauramoore: did not understand security related issue | 16:51 |
| viveknarasimhan | Sukhdev: in our POC's we saw OVS claiming the ironic port and failing binding | 16:51 |
| viveknarasimhan | when we reorder the mech drivers from hP to top, things went fine for Ironic ports | 16:52 |
| viveknarasimhan | so that is somehting I thought to share here :) | 16:52 |
| Sukhdev | viveknarasimhan: that is interesting data | 16:53 |
| lazy_prince | we do not have much time left.. | 16:53 |
| lauramoore | i mean if it contains a switch port id (eg Ethernet 3/14) we don't want a user to be able to change it to say the next switch port id (eg Ethernet 3/15) because that could have a different customer server attached | 16:53 |
| Sukhdev | viveknarasimhan: all drivers are invoked in the order they are registered - so, this is a deployment issue | 16:53 |
| lauramoore | so i was wondering about security settings in neutron regarding updates to port binding profile | 16:54 |
| amotoki | lauramoore: in the default neutron configuration, binding:profile information is avaialble only to admin (which is defined in policy.json). | 16:54 |
| lauramoore | i don't know enough about this so thought to ask | 16:54 |
| lauramoore | amatoki: ok, so it should only be changeable by admins | 16:55 |
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| amotoki | even if we define a new field (or other thing), we need to have the similar default setting. | 16:55 |
| amotoki | lauramoore: yes. | 16:55 |
| amotoki | and it is only visible to admin. | 16:55 |
| lauramoore | ok thanks | 16:56 |
| Sukhdev | amotoki: thanks for clarification | 16:56 |
| * Sukhdev time check | 16:56 | |
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| amotoki | I think viveknarasimhan has an item. | 16:56 |
| Sukhdev | viveknarasimhan: please shoot | 16:57 |
| viveknarasimhan | Sukhdev: I did discuss the item... ordering of mech drivers | 16:57 |
| Sukhdev | viveknarasimhan: ah good - then we are covered - you understood my answer, right? | 16:57 |
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| lazy_prince | in my opinion, it should not be left on the deployer.. | 16:57 |
| amotoki | viveknarasimhan: we need to clarify what are the cause of the problem you had. | 16:58 |
| viveknarasimhan | Sukhdev: yes.. only thing is deployer should order them right when ironic comes into play which as you said is deployment concern. | 16:58 |
| Sukhdev | lazy_prince: ML2 plugin simply loops throughout the list of registered drivers and invokes them | 16:58 |
| viveknarasimhan | one more thing to add | 16:58 |
| viveknarasimhan | the mech-driver in neutron for Ironic will claim port based on presence | 16:59 |
| lazy_prince | i guess, we should handle it in a better way.. can we handle if from inside the mech driver,, some flag let know that it should skip it.. | 16:59 |
| viveknarasimhan | of switch-id in binding-profile ,, if that is the right approach? | 16:59 |
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| jroll | we pass a binding type of ironic | 16:59 |
| Sukhdev | viveknarasimhan: based upon Bind_request flag | 16:59 |
| -amotoki- 30 seconds left | 16:59 | |
| jroll | could use that or something. dunno. | 16:59 |
| lazy_prince | k.. | 17:00 |
| Sukhdev | Folks, we are out of time | 17:00 |
| viveknarasimhan | Sukhdev: ok | 17:00 |
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| jroll | thanks everyone :) | 17:00 |
| Sukhdev | thanks for joining us - this was a great discussion | 17:00 |
| lauramoore | thankyou | 17:00 |
| amotoki | thank you | 17:00 |
| Sukhdev | I will move over to neutron channel and we can continue there | 17:01 |
| Sukhdev | bye | 17:01 |
| viveknarasimhan | Sukhdev: i perceive Bind_request flag is unique for Ironic and so all th emech-drvers would tag on it | 17:01 |
| lazy_prince | thank you.. bye.. | 17:01 |
| Sukhdev | #endmeeting | 17:01 |
| *** openstack changes topic to "Gerrit is offline for project renames. ETA 20:30" | 17:01 | |
| openstack | Meeting ended Mon Jun 15 17:01:05 2015 UTC. Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4) | 17:01 |
| viveknarasimhan | if they are interested in Ironic ports. | 17:01 |
| openstack | Minutes: http://eavesdrop.openstack.org/meetings/ironic_neutron/2015/ironic_neutron.2015-06-15-16.03.html | 17:01 |
| openstack | Minutes (text): http://eavesdrop.openstack.org/meetings/ironic_neutron/2015/ironic_neutron.2015-06-15-16.03.txt | 17:01 |
| openstack | Log: http://eavesdrop.openstack.org/meetings/ironic_neutron/2015/ironic_neutron.2015-06-15-16.03.log.html | 17:01 |
| Sukhdev | viveknarasimhan: correct - that keeps it backward compatible | 17:01 |
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| viveknarasimhan | Ok thnaks Sukhdev | 17:01 |
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