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openstackgerrit | liusheng proposed openstack/ceilometer-specs: Support pagination for ceilometer APIs https://review.openstack.org/105343 | 01:14 |
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openstackgerrit | liusheng proposed openstack/ceilometer-specs: Add alarm severity https://review.openstack.org/100752 | 01:17 |
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openstackgerrit | liusheng proposed openstack/python-ceilometerclient: Fix Bad Request responses from Ceilometer APIs https://review.openstack.org/140205 | 02:20 |
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openstackgerrit | liusheng proposed openstack/ceilometer: Add support for dynamic meters https://review.openstack.org/140232 | 05:15 |
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openstackgerrit | OpenStack Proposal Bot proposed openstack/ceilometer: Imported Translations from Transifex https://review.openstack.org/139527 | 06:09 |
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openstackgerrit | liusheng proposed openstack/ceilometer: Add support for dynamic meters https://review.openstack.org/140232 | 06:21 |
openstackgerrit | liusheng proposed openstack/ceilometer-specs: Add alarm severity https://review.openstack.org/100752 | 06:21 |
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openstackgerrit | Lena Novokshonova proposed openstack/ceilometer: Add docs about volume/snapshot measurements https://review.openstack.org/139969 | 07:33 |
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sudipto | Hi, is there a way to create an alarm in ceilometer for a group of resources and then when the alarm is generated - we should be able to identify the resource on which it was raised? | 09:57 |
DinaBelova | sudipto, probably eglynn can help you here | 10:00 |
sudipto | eglynn: Could you please help? | 10:00 |
sudipto | Thanks DinaBelova! Does he work during this time? | 10:01 |
sudipto | *he/she | 10:01 |
DinaBelova | sudipto, he's UTC+0 now I believe | 10:01 |
eglynn | sudipto: the alarm would be triggered on the average statistic over the resource group? | 10:01 |
DinaBelova | eglynn, good morning sir! | 10:02 |
sudipto | eglynn: No, if it is based on a min/max of a value. Let's say cpu_util... | 10:03 |
eglynn | sudipto: the alarm evaluator uses the ceilometer statistics API which doesn't identify which resource provided the max/min value | 10:04 |
eglynn | sudipto: so as things currently stand, it would be problematic to include that info in the alarm notificiatoin | 10:04 |
sudipto | eglynn: Could you please let me know the reason for this? | 10:05 |
eglynn | sudipto: the reason the statistics API was designed that way? | 10:05 |
sudipto | eglynn: Ok, then this is a limitation by which we cannot identify the resource for which the alarm was raised? We would have to individually define the alarm on individual resources? | 10:06 |
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eglynn | sudipto: say for example, the alarm threshold was X and the statistic used is max over N periods | 10:08 |
eglynn | sudipto: if the alarm fires, you don't know if just one resource crossed the thredhold over those periods | 10:09 |
sudipto | eglynn: I was wondering if that would atleast give you a set of resources in that case, which have that alarm fired... | 10:09 |
eglynn | sudipto: or indeed whether *different* resources crossed threshold over each of the N periods | 10:10 |
eglynn | sudipto: so it sounds like an alarm over max/min in a group is not really what you need here (if identifying the individual resource is key to you) | 10:13 |
sudipto | eglynn: Yeah. For me, the way i am looking at this problem is...let's say there are 30 people in a classroom and i ask, then after the exams - i trigger an alarm IF there are/is any student who scored more than a certain percentage. Then if that event is true, i also notify the students' name along with the event. I might be totally wrong with my interpretation, so please bear with me :) | 10:15 |
sudipto | eglynn: I think the reason is we are dealing aggregation functions which are average/max/min - which only give out 1 value? | 10:16 |
eglynn | sudipto: yes, one value, the actual max ... so if multiple students score higher than the percentage, that info would be lost | 10:17 |
eglynn | sudipto: i.e. it's an exclusive maximum value | 10:17 |
eglynn | sudipto: not all the values above some threshold X | 10:17 |
eglynn | sudipto: so there are at least 2 aspects to this | 10:18 |
eglynn | 1. the ceilo statistics API just reports a *single* max/min value for each period | 10:19 |
eglynn | that's fair enough, as this is the meaning of "maximum" | 10:19 |
eglynn | 2. the ceilo statistics API does not identify the resource associated with that maximum | 10:19 |
eglynn | it's perhaps arguable that it could do so, though that wouln't be symmetric with true aggregate functions like sum,count,average | 10:20 |
eglynn | 3. alarming over a the maximum in a group, when you really need to know *all* the resources above a threshold, is not a "natural" mapping of your problem IMO | 10:21 |
eglynn | sudipto: ^^^ does that make sense? | 10:22 |
sudipto | Yeah - that explains...Thanks. Hmm ok, then typically - if i want to detect a H/W failure kind of a situation via Ceilometer readings - is there a way to do that? | 10:23 |
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eglynn | sudipto: what kind of hardware failure? ... alarming in ceilometer is more about detecting when a statistic crosses a threshold | 10:40 |
sudipto | eglynn: If there are number of memory check errors on the host beyond a threshold, i may want to fire an event and want to take an action based on that. And i am talking about a scenario that can have multiple hosts. | 10:46 |
eglynn | sudipto: how would that memory-check-error-count metric be exposed? (via SNMP for example?) | 10:47 |
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cmyster | eglynn: hey what's up ? | 11:07 |
eglynn | cmyster: hey | 11:08 |
cmyster | I have an issue that I am exploring, mind having a look ? | 11:08 |
cmyster | seems like a configuration thing, and its a warning, but Its bothering me :) | 11:09 |
eglynn | cmyster: what's the issue? | 11:09 |
cmyster | http://paste.openstack.org/show/147817/ | 11:09 |
cmyster | thats from api.log | 11:10 |
cmyster | system seems to be up and running otherwise | 11:10 |
sudipto | eglynn: Yeah. | 11:11 |
eglynn | cmyster: that's odd, 404 on the token from keystone | 11:11 |
cmyster | exacly | 11:11 |
cmyster | I might find some more things in that log... | 11:11 |
eglynn | cmyster: try restarting the API service with debug/verbose logging enabled in the ceilometer.conf | 11:12 |
cmyster | on it | 11:12 |
eglynn | cmyster: what's the keystone_authtoken.auth_uri configured as? | 11:13 |
cmyster | sec, phone | 11:16 |
eglynn | np | 11:17 |
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cmyster | eglynn: that server's IP:5000 | 11:17 |
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eglynn | cmyster: k, that looks fine | 11:18 |
cmyster | and its working (tested with telnet) | 11:18 |
cmyster | working as in the target responds | 11:18 |
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sudipto | eglynn: Sorry for being away for a bit...and apologies for interrupting your conversation. Can you suggest a way, we could handle the the h/w failure use case based on the a metrics exposed via SNMP? | 11:19 |
eglynn | sudipto: well firstly ceilometer would have to gather that particular metric | 11:20 |
sudipto | eglynn: I have been able to populate it in the Ceilometer DB... | 11:20 |
eglynn | sudipto: in kilo we plan to add a mechanism to allow any new SNMP metric to be gather, driven purely by config | 11:20 |
eglynn | sudipto: what is the actual SNMP metric name? | 11:21 |
eglynn | sudipto: second, if ceilometer gathers that metric, then ceilometer can alarm on it crossing a threshold | 11:22 |
eglynn | sudipto: (subject to the restrictions discussed earlier, around maximum being a single value and the associated resource not being identified ... which suggests a per-host alarming strategy) | 11:23 |
sudipto | eglynn: hmm ok, so we would have to set the alarming on every host...that's what my initial thought was...was just wondering if there's a better way. Also is there a way to make HEAT aware of this h/w based alarm? Since HEAT seems to work with alarms which are set of it's stack...(I might not be aware of any other way)... | 11:24 |
sudipto | *set on it's. | 11:25 |
eglynn | sudipto: heat uses alarms to drive autoscaling of *instances* | 11:25 |
eglynn | sudipto: whereas you're more interested in host-level alarming, amiright? | 11:25 |
sudipto | eglynn: Yeah | 11:26 |
eglynn | sudipto: what would you envisage heat doing with the alarm notification in this case? | 11:26 |
sudipto | eglynn: And i want heat to react to that...for it's auto-scale... | 11:26 |
eglynn | sudipto: for example for Heat to migrate autoscaled instance off the problematic host? | 11:27 |
sudipto | eglynn: like for example - if the host PFA is raised, i want HEAT to migrate the instances off. | 11:27 |
eglynn | sudipto: I don't think heat has that logic currently | 11:27 |
sudipto | eglynn: Exactly. | 11:27 |
cmyster | something apart from ScalingPolicy ? | 11:27 |
eglynn | sudipto: heat autoscaling logic IIUC is limited to spinning up new instances when busy, or shutting down existing instances when idle | 11:27 |
cmyster | yes | 11:27 |
sudipto | eglynn: Can you tell me if it's logical to have a different policy in this case? | 11:28 |
cmyster | +1 -1 to resources in a group depending on alerts | 11:28 |
eglynn | sudipto: (I'm open to correct on that, but I'm not aware of instance-migration smarts in the existing Heat autoscaling loigc) | 11:28 |
eglynn | sudipto: it could be a useful thing for Heat to support in the future | 11:29 |
sudipto | eglynn: This leans towards the scheduler doing a host evac in this case - isn't it? | 11:29 |
eglynn | sudipto: check with the folks on #heat though to be 100% sure if instance migration isn't support in autoscaling | 11:29 |
sudipto | I am thinking - how the scheduler would know of this alarm as to when this can be triggered so that it can empty a host...and migrate all the workloads out of it... | 11:30 |
eglynn | sudipto: the nova scheduler? | 11:30 |
eglynn | sudipto: ceilometer can trigger a POST on webhook when an alarm fires, but the receiver of that notification has to have the logic in place to do the expected thing | 11:31 |
eglynn | sudipto: so logic to do the host evacuation would have to be built in to the receiver side | 11:32 |
openstackgerrit | Merged openstack/ceilometer: Port to graduated library oslo.i18n https://review.openstack.org/137941 | 11:32 |
cmyster | eglynn: might be something nasty... could be a selinux thing on my rhel machine I'll let you know ;) | 11:34 |
eglynn | cmyster: a-ha. k | 11:35 |
cmyster | I got suspicious when after re-connecting to the machine I was welcomed with ABRT message regarding ceilo-api | 11:36 |
cdent | DinaBelova: yesterday's store_events changes ended up being documentation only: https://review.openstack.org/#/c/140018/ | 11:38 |
DinaBelova | cdent, ah, well, anyway it's better | 11:39 |
DinaBelova | cdent, thanks! | 11:39 |
* cdent nods | 11:39 | |
swamireddy | hi | 11:41 |
swamireddy | eglynn: Can you plz review https://review.openstack.org/#/c/138349/? | 11:41 |
eglynn | swamireddy: k, I'll try to get to it today | 11:42 |
swamireddy | eglynn: Thanks... | 11:42 |
sudipto | eglynn: thanks for that explanation :) | 11:46 |
eglynn | sudipto: np! | 11:47 |
openstackgerrit | Dina Belova proposed openstack/ceilometer: Move central agent code to the polling agent module https://review.openstack.org/127186 | 11:48 |
openstackgerrit | Dina Belova proposed openstack/ceilometer: Make compute discovery pollster-based, not agent-level https://review.openstack.org/127185 | 11:48 |
openstackgerrit | Dina Belova proposed openstack/ceilometer: Merge Central and Compute agents to *polling agent* https://review.openstack.org/124719 | 11:48 |
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openstackgerrit | Mehdi Abaakouk proposed stackforge/gnocchi: Allows to get aggregated measurements of metrics https://review.openstack.org/125572 | 11:54 |
openstackgerrit | Mehdi Abaakouk proposed stackforge/gnocchi: Use oslotest as base class for unittests https://review.openstack.org/140307 | 11:54 |
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openstackgerrit | Mehdi Abaakouk proposed stackforge/gnocchi: Allows to get aggregated measurements of metrics https://review.openstack.org/125572 | 12:00 |
openstackgerrit | Mehdi Abaakouk proposed stackforge/gnocchi: Allows to get aggregated measurements of metrics https://review.openstack.org/125572 | 12:06 |
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cmyster | eglynn-regus: when you get back: https://bugzilla.redhat.com/show_bug.cgi?id=1172122 | 12:48 |
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openstackgerrit | Igor Degtiarov proposed openstack/ceilometer: Encompassing one source pollsters with common context https://review.openstack.org/139037 | 13:55 |
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openstackgerrit | Ilya Tyaptin proposed openstack/ceilometer: Add test data generator via oslo messaging https://review.openstack.org/138804 | 14:02 |
openstackgerrit | Dina Belova proposed stackforge/gnocchi: Add OpenTSDB storage driver https://review.openstack.org/107986 | 14:04 |
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blinky_ghost_ | HI all is it possible to use ceilometer to restart an instance when a compute node dies in another healthy node? | 14:30 |
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eglynn-lunch | blinky_ghost_: if the node has completely died, you can't go a live migration, just a fresh restart | 14:32 |
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openstackgerrit | OpenStack Proposal Bot proposed openstack/ceilometer: Updated from global requirements https://review.openstack.org/140049 | 14:32 |
eglynn | blinky_ghost_: ... but in any case, see related discussion on this review https://review.openstack.org/#/c/130539/ | 14:32 |
blinky_ghost_ | eglynn: Fresh restart it's fine by me. Does this review means it will only be available in Kilo? | 14:34 |
eglynn | blinky_ghost_: yes, it's a work-in-progress | 14:34 |
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blinky_ghost_ | eglynn: do you know any other working solution to spawn an instance on the healthy node when the other dies? | 14:35 |
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eglynn | blinky_ghost_: that's the only explicit effort to achieve that via ceilometer that I'm aware of | 14:37 |
blinky_ghost_ | eglynn: ok thanks | 14:37 |
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claudiub | eglynn: hello | 14:44 |
eglynn | claudiub: hi | 14:44 |
claudiub | eglynn: do you have a few minutes to talk about some blueprints? | 14:45 |
claudiub | inspector metrics | 14:45 |
eglynn | claudiub: got an LP or ceilometer-specs link? | 14:45 |
claudiub | eglynn: yeap: https://blueprints.launchpad.net/ceilometer/+spec/hyper-v-memory-metrics | 14:46 |
claudiub | and also for disk iops: https://blueprints.launchpad.net/ceilometer/+spec/hyper-v-disk-iops-metrics | 14:46 |
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eglynn | claudiub: my knowledge of hyper-v is limited, but both seem like reasonable ideas | 14:47 |
eglynn | claudiub: are you planning to implement these for kilo? | 14:47 |
claudiub | eglynn: indeed, for the memory metrics we already had it done for juno, but we did not have a blueprint for it | 14:48 |
claudiub | eglynn: and it's just sitting in our repo, waiting to see the openstack light. :D | 14:48 |
claudiub | eglynn: also, it's not a new feature, vmware already have it implemented, and it's quite simple to implement for hyper-v as well | 14:49 |
eglynn | claudiub: a-ha, k ... so can you propose a more detailed discription of the feature in ceilometer-specs, then you should be good to go with proposing the code patch | 14:49 |
eglynn | claudiub: on the subject of hyper-v, just a heads-up that we need to start thinking about 3rd party CI for features like this | 14:50 |
eglynn | claudiub: i.e. features that can't be verified in the upstream gate | 14:50 |
claudiub | eglynn: actually, that's a good point | 14:50 |
claudiub | eglynn: i have written a tempest test for it some time ago | 14:50 |
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claudiub | eglynn: and the tests were checking what metrics the compute nodes were publishing | 14:51 |
eglynn | claudiub: presumably that tempest test can't be run in the upstream CI gate, or? | 14:52 |
eglynn | claudiub: (... due to the lack of a hypver-v deployment upstream) | 14:52 |
eglynn | claudiub: there's already this for nova, neutron testing against hyper-v https://wiki.openstack.org/wiki/ThirdPartySystems/Hyper-V_CI | 14:52 |
claudiub | eglynn: it shouldn't be a problem, it's not hyper-v specific tempest test. I was just running the tests for hyper-v since we had a bug with the cpu metrics | 14:53 |
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eglynn | claudiub: it would be great if we could glom onto the hyper-v_ci@microsoft.com tests for nova and get all these ceilometer features CI'd against real hyper-v | 14:55 |
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jd__ | sileht: are you working on a fix for the new i18n change in Ceilometer/Gnocchi dispatcher? | 14:58 |
sileht | jd__, no | 14:58 |
jd__ | ok will do | 14:58 |
claudiub | eglynn: sure thing :) we'll talk about it and see what we can do. Also, I'll fetch the ceilometer-compute test I've written and retest it (hyper-v + kvm) | 14:59 |
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claudiub | eglynn: I'll keep you posted with the updates :) | 14:59 |
eglynn | claudiub: cool, thanks! | 14:59 |
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openstackgerrit | Julien Danjou proposed stackforge/gnocchi: Fix Ceilometer dispatcher after i18n transition https://review.openstack.org/140364 | 15:20 |
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openstackgerrit | Julien Danjou proposed stackforge/gnocchi: Fix Ceilometer dispatcher after i18n transition https://review.openstack.org/140364 | 15:58 |
openstackgerrit | Julien Danjou proposed stackforge/gnocchi: Remove mox from import exceptions https://review.openstack.org/140385 | 15:58 |
openstackgerrit | Dina Belova proposed openstack/ceilometer: Move central agent code to the polling agent module https://review.openstack.org/127186 | 16:01 |
openstackgerrit | Dina Belova proposed openstack/ceilometer: Merge Central and Compute agents to *polling agent* https://review.openstack.org/124719 | 16:01 |
eglynn | influx guys in the news | 16:10 |
eglynn | http://techcrunch.com/2014/12/08/errplane-snags-8-1m-to-continue-building-open-source-influxdb-time-database/ | 16:10 |
gordc | eglynn: paul dix is definitely paying for the tab next time. ;) | 16:11 |
eglynn | gordc: LOL :) | 16:11 |
gordc | eglynn: i guess as a segue. any progress on the influxdb driver? i got asked that question a few mins/hours ago. | 16:16 |
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openstackgerrit | Dina Belova proposed stackforge/gnocchi: Add OpenTSDB storage driver https://review.openstack.org/107986 | 16:19 |
DinaBelova | hehe, influx in news will make them good karma | 16:20 |
DinaBelova | :) | 16:20 |
eglynn | gordc: yeah, I'm working on it in the background, in tandem with a few other things ... originally targetting kilo-1 | 16:20 |
gordc | eglynn: cool cool. i think we were looking to try it out internally... have a few other items to take care of beforehand though so no rush. | 16:21 |
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openstackgerrit | gordon chung proposed openstack/ceilometer: implement notification coordination https://review.openstack.org/135414 | 16:29 |
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openstackgerrit | gordon chung proposed openstack/ceilometer: implement notification coordination https://review.openstack.org/135414 | 16:32 |
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openstackgerrit | gordon chung proposed openstack/ceilometer: ensure unique pipeline names https://review.openstack.org/139203 | 16:33 |
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openstackgerrit | gordon chung proposed openstack/ceilometer: untie pipeline manager from samples https://review.openstack.org/140131 | 16:36 |
alexpilotti | eglynn: claudiub we’re going to add Ceilometer to the Hyper-V CI, hopefully already in the next few weeks | 16:37 |
eglynn | alexpilotti: that's really good news, thanks! | 16:38 |
eglynn | alexpilotti: (... please keep me updated) | 16:38 |
alexpilotti | eglynn: I will, sure! We already deploy all the ceilometer pieces on the devstack side | 16:39 |
eglynn | alexpilotti: coolness, thanks :) | 16:39 |
alexpilotti | eglynn: so it’s just a matter of enabling them on the compute side (Hyper-V) as well | 16:39 |
alexpilotti | eglynn: and this should really not take too long :-) | 16:40 |
eglynn | alexpilotti: excellent, we'll probably want to make assertions also that the hyper-v metrics are being gathered as expected | 16:41 |
alexpilotti | eglynn: claudiub already wrote a ceilometer Temptest test for compute | 16:41 |
openstackgerrit | Merged stackforge/gnocchi: Fix Ceilometer dispatcher after i18n transition https://review.openstack.org/140364 | 16:42 |
alexpilotti | eglynn: do you already have a way in Tempest to assert on the existence of specific metrics? | 16:42 |
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eglynn | alexpilotti: yeah, I probably just need to look over that tempest for completeness | 16:43 |
alexpilotti | eglynn: cool tx! | 16:43 |
openstackgerrit | Merged openstack/ceilometer-specs: Ceilometer RBAC Support for API https://review.openstack.org/112137 | 16:46 |
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amalagon | ping DinaBelova | 17:02 |
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openstackgerrit | ZhiQiang Fan proposed openstack/ceilometer: Remove inspect_instances method from virt https://review.openstack.org/137874 | 17:31 |
openstackgerrit | Julien Danjou proposed openstack/ceilometer: Switch to oslo.context library https://review.openstack.org/140412 | 17:35 |
openstackgerrit | Julien Danjou proposed openstack/ceilometer: Switch to oslo.context library https://review.openstack.org/140412 | 17:39 |
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openstackgerrit | Julien Danjou proposed openstack/ceilometer: Switch to oslo.context library https://review.openstack.org/140412 | 17:46 |
openstackgerrit | Julien Danjou proposed openstack/ceilometer: Switch to oslo.context library https://review.openstack.org/140412 | 17:47 |
openstackgerrit | Julien Danjou proposed openstack/ceilometer: Switch to oslo.context library https://review.openstack.org/140412 | 17:48 |
jd__ | bad day :D | 17:48 |
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openstackgerrit | ZhiQiang Fan proposed openstack/ceilometer: Return a meaningful value or raise an excpetion for libvirt https://review.openstack.org/134966 | 18:02 |
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openstackgerrit | gordon chung proposed openstack/ceilometer: ensure unique pipeline names https://review.openstack.org/139203 | 18:16 |
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openstackgerrit | gordon chung proposed openstack/ceilometer: untie pipeline manager from samples https://review.openstack.org/140131 | 18:20 |
openstackgerrit | Merged stackforge/gnocchi: Use oslotest as base class for unittests https://review.openstack.org/140307 | 18:24 |
openstackgerrit | Merged stackforge/gnocchi: Fix doc8 errors https://review.openstack.org/138393 | 18:24 |
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ajayaa | gordc, Hi | 19:12 |
ajayaa | Was about to go to bed and saw your comment. :) | 19:12 |
gordc | ajayaa: :) | 19:13 |
ajayaa | What is the difference between a sample and an event? | 19:13 |
gordc | caught your attention | 19:13 |
gordc | samples are essentially a derived value from an event. | 19:13 |
ajayaa | In fact, So notifications are first tranformed into an an event first? | 19:14 |
gordc | right... or events are just slightly filtered version of notification | 19:14 |
gordc | i've been adding the definition here: https://github.com/openstack/ceilometer/blob/master/etc/ceilometer/event_definitions.yaml | 19:14 |
gordc | based on the notifications you listed, i think they could be listed there as well. | 19:15 |
gordc | ajayaa: i'm ok with approving your spec as is... mainly concerned whether you were still looking at it. | 19:15 |
ajayaa | I have written code to catch the notifications and convert them into samples. Just the unit tests are yet to be written. | 19:16 |
ajayaa | There were couple of issues with payload from magnetodb side. So I was fixing those. | 19:17 |
gordc | ajayaa: cool cool. i'll approve spec... i'll probably add your notifications as events as well since i think they're better suited. | 19:17 |
ajayaa | gordc, okay. One more thing, I see there are two tables in ceilometer schema in mysql. | 19:18 |
ajayaa | event and event_type. | 19:18 |
gordc | yep | 19:18 |
ajayaa | Are the notifications going to be stored at both sample table and event table? | 19:19 |
gordc | or well there's two more trait and trait_type i think. | 19:19 |
gordc | notifications we receive are derived into multiple samples/events... if you have events enabled, then yes, you'll have entries in both tables. | 19:20 |
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gordc | multiple samples and one event* | 19:20 |
ajayaa | How do I try events out? I see identity operations are already listed in event_definitions.yaml. But today when I tries keystone operations they were only going to sample table. | 19:22 |
ajayaa | gordc ^^ | 19:22 |
gordc | you should add store_events=True to notification section in your conf file | 19:23 |
gordc | ajayaa: https://github.com/openstack/ceilometer/blob/master/ceilometer/notification.py#L37-L40 | 19:24 |
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ajayaa | okay. I will try it out. Thanks. | 19:26 |
gordc | ajayaa: cool cool. | 19:28 |
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openstackgerrit | Merged openstack/ceilometer-specs: Add spec for MagnetoDB metering support https://review.openstack.org/126335 | 19:31 |
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openstackgerrit | gordon chung proposed openstack/ceilometer: untie pipeline manager from samples https://review.openstack.org/140131 | 21:54 |
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