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| AlexeyAbashkin | Good time of day folks. | 12:32 |
|---|---|---|
| AlexeyAbashkin | good time of day | 12:32 |
| AlexeyAbashkin | how can I get the CPU utilisation and memory utilisation from PowerVM host? like collectD does on Linux | 12:32 |
| thorst | good time for coffee :-) | 12:32 |
| thorst | AlexeyAbashkin: the whole host, or on a per VM level/ | 12:33 |
| AlexeyAbashkin | the whole host | 12:33 |
| thorst | yeah, definitely not like your standard linux | 12:33 |
| thorst | so I'm assuming you've got a NovaLink based system (since that's what our OpenStack driver runs on) | 12:33 |
| AlexeyAbashkin | yes. I have Power8 + NovaLink + Mitaka on control plane | 12:34 |
| thorst | oooooooo - what's the control plane/ | 12:34 |
| thorst | OSA? | 12:34 |
| AlexeyAbashkin | Control Plane = OpenStack controller (as per reference architecture). it sits on Linux host | 12:35 |
| thorst | right, just wondering how you deployed it | 12:35 |
| AlexeyAbashkin | Power8 hosts are host-aggregate in my cloud | 12:35 |
| thorst | k | 12:35 |
| AlexeyAbashkin | next to KVM host-agregate | 12:35 |
| thorst | hmm...we should make a task for this in pypowervm to get you whole host CPU utilization. We've put really nice things in for a per LPAR basis...but not something for whole host CPU utilization. | 12:36 |
| thorst | that seems like it'd be a good thing to add. | 12:36 |
| thorst | it's complicated...let me see if I can get something added to pypowervm in the next few days to help you get that data? | 12:37 |
| AlexeyAbashkin | so far I've got solution like "take meters from ceilometer and then summarise them" | 12:37 |
| AlexeyAbashkin | but it does not include VIOS load | 12:37 |
| thorst | well, that's only part of it. That doesn't include VIOS load, and doesn't include unused load. | 12:38 |
| AlexeyAbashkin | yes | 12:38 |
| thorst | for instance, if you're only using 8 of 20 vCPUS, it wouldn't show that you have 12 sitting idle (potentially) | 12:38 |
| thorst | so the problem is non-trivial...but we could get you a pypowervm function that makes it a bit easier. pypowervm is how we interact with the platform | 12:38 |
| thorst | brb | 12:38 |
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| AlexeyAbashkin | can I call something from inside of NovaLink? any API/URL/SNMP/whatever? | 12:40 |
| seroyer | pypowervm is the python library for interfacing with NovaLink API. | 12:41 |
| seroyer | That's what nova-powervm, ceilometer-powervm, etc... all use. | 12:42 |
| AlexeyAbashkin | no-no. I mean: I have NovaLink. that is Ubuntu. I set up something like CollectD into it. and put CollectD plu | 12:45 |
| AlexeyAbashkin | ... plugin that calls URL (i.e. to ASM port) where host CPU info available | 12:46 |
| seroyer | The NovaLink API has the CPU info. | 12:47 |
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| AlexeyAbashkin | for whole power8 host? | 12:48 |
| seroyer | Correct. NovaLink is the only place you could get that data. | 12:48 |
| seroyer | Unless you also have HMC, which can also get that data. | 12:49 |
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| AlexeyAbashkin | No, I do not have HMC | 12:51 |
| thorst | seroyer: and the HMC would just give the same style metrics we have here...I think | 12:53 |
| seroyer | HMC and NovaLink have access to the same dataset. | 12:53 |
| AlexeyAbashkin | is this one I'm looking for https://www.ibm.com/support/knowledgecenter/POWER8/p8ehl/apis/AggregatedMetricsManagedSystem.htm?view=embed ? | 12:54 |
| thorst | yeah, so the data is there...its just transforming it into that one metric is the challenge. | 12:54 |
| seroyer | AlexeyAbashkin: Are you thinking of having code running on the NovaLink to collect data? | 12:55 |
| AlexeyAbashkin | not mandatory. I can place collecting software into NovaLink, into OpenStack controller, into separate host | 12:56 |
| thorst | would it be OK if it was a bit of software running on the NovaLink though? | 12:57 |
| thorst | sounds like it would | 12:57 |
| AlexeyAbashkin | yes. any place :-) | 12:58 |
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| thorst | yeah, so we need to write some code...and get something available to you. | 13:02 |
| thorst | will take us a few days though | 13:02 |
| AlexeyAbashkin | It would be very nice :-) very appreciate! | 13:03 |
| thorst | huh...we may already have this... | 13:06 |
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| thorst | AlexeyAbashkin: https://github.com/openstack/nova-powervm/blob/master/nova_powervm/virt/powervm/driver.py#L307-L309 | 13:06 |
| thorst | so that's a driver method...I'm not sure if they expose it via the REST API, but I know its used for scheduling | 13:07 |
| thorst | looks like it gets used by nova/compute/monitors/cpu/virt_driver | 13:11 |
| thorst | so hopefully you're OK with that? | 13:11 |
| AlexeyAbashkin | yes | 13:12 |
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| thorst | efried adreznec: I think we could add a PowerVM section in here: https://etherpad.openstack.org/p/ocata-nova-priorities-tracking | 14:12 |
| adreznec | Maybe | 14:12 |
| adreznec | I might wait until we land the spec | 14:13 |
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| efried | o/ | 14:37 |
| thorst | success | 14:37 |
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| Alexey_Abashkin | folks, one more thing. in Readme we have "This inspector retrieves instance monitoring data for cpu, network, memory, and disk usage. ". - _memory_ | 15:59 |
| Alexey_Abashkin | but I cannot find memory in https://github.com/openstack/ceilometer-powervm/blob/master/ceilometer_powervm/compute/virt/powervm/inspector.py | 15:59 |
| Alexey_Abashkin | sorry I'm not so powerful with python yet. may be I'm looking in wrong direction | 15:59 |
| thorst | looking | 16:15 |
| thorst | o yeah, we didn't add the memory yet. But the memory is available via pypowervm | 16:16 |
| thorst | using a similar mechanism to what the other ceilometer-powervm stuff is doing | 16:16 |
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| efried | thorst, adreznec: For the OSA ConfigParser nonsense: I'm really not a fan of this hand-spun parser Qing Wu is proposing. We could just change the local2remote patch to use JSON instead. Then it could be common for OSA and non-OSA envs. Is there any reason we need the config ini to be in ConfigParser-compatible format? | 16:49 |
| thorst | efried: Not to my knowledge | 16:49 |
| thorst | I thought you introduced that | 16:49 |
| efried | pvmctl uses ConfigParser. Wonder if it thinks it's sharing the same config. But even so, I'm not sure it matters. Do we need pvmctl to work in the remoting OSA env? | 16:52 |
| efried | ("work" - it still oughtta work. Just not sure if the config files will collide.) | 16:54 |
| efried | Okay, they won't collide. | 16:54 |
| efried | different file names & paths | 16:54 |
| efried | And the pvmctl one isn't really being used anyway. | 16:54 |
| efried | So yeah - that's an option. | 16:55 |
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| efried | And no, ConfigParser was put in on the first patch set (presumably by kylek3h) | 16:58 |
| efried | I just moved it around a bit. | 16:58 |
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| efried | thorst, adreznec: also, isn't the process supposed to be to first update 2382 (the original never-to-be-merged local2remote patch) and then update neo-os-ci accordingly? | 17:00 |
| adreznec | Yeah, I believe so | 17:01 |
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| esberglu | Yeah thats how it was done previously | 17:03 |
| thorst | efried: yep | 17:32 |
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