| openstackgerrit | John Griffith proposed openstack/cinder: Add snapshot ID's to volume detail view https://review.openstack.org/255571 | 00:00 |
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| openstackgerrit | Angela Smith proposed openstack/cinder: Adds friendly zone name support https://review.openstack.org/180518 | 00:12 |
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| openstackgerrit | Walter A. Boring IV (hemna) proposed openstack/cinder: WIP don't call remove_export with attachments left https://review.openstack.org/255595 | 00:22 |
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| pv | I've been struggling with an issue while making consistency groups with my volume type, basically it doesn't even hit my driver code and gets stuck at the cinder scheduler level | 00:44 |
| pv | failing the CapabilitiesFilter | 00:44 |
| pv | and specifically the _satisfies_extra_specs method, I just removed the extra specs associated with the volume type in question | 00:44 |
| pv | but its still throwing the same error in the scheduler, even after a cinder service restart (on sch, vol, and api) | 00:44 |
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| openstackgerrit | Helen Walsh proposed openstack/cinder: EMC VMAX - getting iscsi ip from port in existing masking view https://review.openstack.org/245997 | 01:48 |
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| lixiaoy1 | hemnafk: ping | 01:57 |
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| openstackgerrit | Merged openstack/cinder: Updated from global requirements https://review.openstack.org/253753 | 01:57 |
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| openstackgerrit | Merged openstack/python-cinderclient: Updated from global requirements https://review.openstack.org/250967 | 02:08 |
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| openstackgerrit | Mudassir Latif proposed openstack/cinder: Allow replicated volumes to be recoverable https://review.openstack.org/219900 | 03:06 |
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| openstackgerrit | Vincent Hou proposed openstack/cinder: Storwize: Implement v2 replication (mirror) https://review.openstack.org/249042 | 03:10 |
| openstackgerrit | Vincent Hou proposed openstack/cinder: Storwize: Implement v2 replication (split IO) https://review.openstack.org/237387 | 03:10 |
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| openstackgerrit | Vincent Hou proposed openstack/cinder: Storwize: Implement v2 replication (mirror) https://review.openstack.org/249042 | 03:12 |
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| openstackgerrit | Peter Wang proposed openstack/cinder: VNX: Fix issue in deleting cg/cgsnapshot https://review.openstack.org/255655 | 03:27 |
| openstackgerrit | Peter Wang proposed openstack/cinder: VNX: Fix issue in deleting cg/cgsnapshot https://review.openstack.org/255655 | 03:31 |
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| openstackgerrit | Chuck Fouts proposed openstack/cinder: Support for iSCSI CHAP Uni-directional Auth https://review.openstack.org/251925 | 04:20 |
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| openstackgerrit | Merged openstack/cinder: Use Cinder API v2 for Rally scenarios https://review.openstack.org/254285 | 04:33 |
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| subhadeep_de | Guys any idea why nova calls attach volume twice during live migrate? | 05:26 |
| subhadeep_de | Any thoughts on how to account sizes incremental volume snapshots in cinder? It always thinks its a full copy | 05:27 |
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| openstackgerrit | OpenStack Proposal Bot proposed openstack/cinder: Imported Translations from Zanata https://review.openstack.org/255091 | 06:21 |
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| openstackgerrit | Takeshi Nishikawa proposed openstack/cinder: Rebrand HP XP driver to now be HPE https://review.openstack.org/251695 | 06:22 |
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| seens | Hi ALl | 06:33 |
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| seens | i need to know what is the use of qos in cinder and how it's used, please help me | 06:34 |
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| openstackgerrit | chenzongliang proposed openstack/cinder: Huawei: Refactor driver for the second time https://review.openstack.org/255692 | 06:35 |
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| openstackgerrit | Mudassir Latif proposed openstack/cinder: Allow replicated volumes to be recoverable https://review.openstack.org/219900 | 06:39 |
| openstackgerrit | Mudassir Latif proposed openstack/cinder: Replication V2 for Pure Storage https://review.openstack.org/214825 | 06:39 |
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| chhavi | After manually enabling the cinder-volume service, volume group sections in the conf file is not getting honoured, its always start using the default section. | 07:26 |
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| openstackgerrit | Kazumasa Nomura proposed openstack/cinder: Refactor Hitachi Block Storage Driver https://review.openstack.org/255239 | 09:03 |
| openstackgerrit | LisaLi proposed openstack/os-brick: Copy encryptors from Nova to os-brick https://review.openstack.org/247372 | 09:07 |
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| openstackgerrit | Vincent Hou proposed openstack/cinder: Migration: take the local_path for the source volume https://review.openstack.org/250220 | 09:09 |
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| openstackgerrit | Yuriy Nesenenko proposed openstack/cinder: Implement snapshots-related features for Block Device Driver https://review.openstack.org/253111 | 09:35 |
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| openstackgerrit | Szymon Wróblewski proposed openstack/cinder: Support locking Versioned Objects https://review.openstack.org/246352 | 10:08 |
| openstackgerrit | David Sariel proposed openstack/python-cinderclient: jenkins-config.yml for rhos8 cinderclinet. https://review.openstack.org/255772 | 10:11 |
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| seens | Hi, what is the use of cinder metadata and cinder snapshot-metadata? | 10:28 |
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| seens | <klkumar> can you please tell the use of cinder metadata and cinder snapshot-metadata? | 10:32 |
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| openstackgerrit | David Sariel proposed openstack/python-cinderclient: jenkins-config.yml for rhos8 cinderclinet. https://review.openstack.org/255784 | 10:40 |
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| swamireddy | Hi - Any inputs for Cinder dB HA support? | 11:05 |
| swamireddy | I could see Galera with mysql... could be suitable... | 11:06 |
| swamireddy | Any one of us doing same?? | 11:06 |
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| Neoburner | lo all | 11:06 |
| Neoburner | quick bit of advice... | 11:07 |
| Neoburner | cinder-volume[1601]: 2015-12-10 11:05:28.057 2579 WARNING cinder.volume.manager [-] Unable to update stats, RBDDriver -1.1.0 driver is uninitialized. | 11:07 |
| Neoburner | banging my head with this one | 11:07 |
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| DuncanT | Neoburner: Scroll up through the logs to where the service started, the error will be there | 11:16 |
| DuncanT | Neoburner: 'driver not initialised' is a symptom, not a cause | 11:16 |
| e0ne | swamireddy: AFAIK, there are no issues with Galera. we've got @retry_on_deadlock for several places and it works | 11:18 |
| DuncanT | swamireddy: We're using galera for what it's worth | 11:19 |
| e0ne | DuncanT: hi. will you have a time to review my spec today? we discussed it a lot yesterday but there is no feedback from you in gerrit | 11:20 |
| DuncanT | seens: cinder metadata is there for the tenant to keep whatever they want, as key-value pairs | 11:20 |
| DuncanT | seens: It's entirely freeform. Some people use it to track what OS they have on boot drives for example | 11:21 |
| DuncanT | seens: It's like resource tags except more vercitile | 11:21 |
| Neoburner | ok great | 11:22 |
| Neoburner | will have a look | 11:22 |
| chhavi | DuncanT: I am trying to retype a volume from one backend to other ( from iSCSI to FC ), cinder scheduler is failing for the extra-spec mismatch | 11:28 |
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| chhavi | DuncanT: do we really need a extra-specs validation during retype. | 11:29 |
| openstackgerrit | Philipp Reisner proposed openstack/os-brick: DRBD connector class https://review.openstack.org/251266 | 11:29 |
| Neoburner | DuncanT: VolumeBackendAPIException: Bad or unexpected response from the storage volume backend API: error connecting to the cluste | 11:29 |
| DuncanT | changbl: Are you allowing migration during the retype? | 11:30 |
| chhavi | no | 11:30 |
| Neoburner | Looks like a drop which we expected | 11:30 |
| Neoburner | It's all back up now, do I have to restart a sergice to kick it back in? | 11:30 |
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| chhavi | DuncanT: I set the migration policy as never | 11:30 |
| Neoburner | without killing the whole platform! | 11:30 |
| DuncanT | Neoburner: cinder doesn't currently recover from a connection failure in initialisation, you'll need to restart the service | 11:30 |
| Neoburner | Will that kill connections to storage? | 11:31 |
| Neoburner | drop VM's etc? | 11:31 |
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| DuncanT | changbl: Then extra_specs have to matchm I think | 11:31 |
| DuncanT | Neoburner: No, it is control path only, not data path | 11:31 |
| Neoburner | great | 11:31 |
| Neoburner | mind sharing the service with me? Just to be safe | 11:31 |
| chhavi | DuncanT: I am trying a use-case to change the existing volume connection from iSCSI to FC. I have configured different volume-types for each. | 11:31 |
| DuncanT | sharing the service? cinder-volume | 11:31 |
| chhavi | each has separate cinder-volume service | 11:33 |
| Neoburner | assume just a service cinder-volume restart? | 11:33 |
| DuncanT | chhavi: I no longer entirely understand the migration and retype code to be honest. I should take a look at some point. In my initial understanding it was up to the driver to check what extraspecs it could handle, but it ended up that drivers didn't so it reported a retype as done when it wasn't | 11:33 |
| Neoburner | apologies for the n00b its a platform I am learning! | 11:33 |
| DuncanT | Neoburner: Exactly. Not a problem, they're good, clear questions - you're very welcome to the help | 11:34 |
| DuncanT | chhavi: So you need to do migration more often than is strictly necessary right now. | 11:34 |
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| Neoburner | service cinder-volume status | 11:36 |
| Neoburner | Redirecting to /bin/systemctl status cinder-volume.service | 11:36 |
| Neoburner | cinder-volume.service | 11:36 |
| Neoburner | Loaded: not-found (Reason: No such file or directory) | 11:36 |
| Neoburner | Active: inactive (dead) | 11:36 |
| Neoburner | I am on a controller tho :/ | 11:36 |
| Neoburner | not sure if thats the right place | 11:36 |
| chhavi | DuncanT: Changing the volume-type should not be restricted to extra-specs, I also need to check the code, Let me see if its specific to driver capabilities filter or common | 11:37 |
| DuncanT | chhavi: It's find saying that, but it requires some smart code in the drivers, which wasn't written for most drivers, which led to significant bugs. | 11:37 |
| DuncanT | chhavi: Fixing it is not at all trivial - every driver needs to check all the flags in the new type to make sure it supports them all. That code was never written. | 11:38 |
| seens | <DuncanT> Thank You | 11:38 |
| seens | <DuncanT> how to reserve a cinder volume, i am seeing in devstack tempest file " /opt/stack/tempest/tempest/api/volume/test_volumes_actions.py" | 11:39 |
| chhavi | DuncanT: oh ok. So if i understood correctly, u mean by default it checks all the extra-specs property, but drivers can override if they want to skip. | 11:40 |
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| swamireddy | e0ne: DuncanT: Thanks for the inputs...Alternatively I plan to use the mysql as master-mater mode with ceph rdb drive to store the mysql data file.. | 11:50 |
| swamireddy | e0ne: DuncanT: For Galera - do you use 3 nodes/servers? or 2 nodes should be ok? | 11:50 |
| DuncanT | chhavi: I'm not sure at the moment. I think it leaves few options to the driver currently, due to bugs | 11:51 |
| DuncanT | swamireddy: 3 nodes | 11:51 |
| DuncanT | seens: Reserve is used as part of the attach API by nova, it isn't something you'd usually want ot call for any other reason | 11:52 |
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| swamireddy | DuncanT: ok...will try with 3 nodes...btw, do we any have doc to integrating the Galera with Cinder?? | 11:54 |
| DuncanT | swamireddy: No docs, sorry | 11:55 |
| swamireddy | DuncanT: ok...may I will create one...let me try | 11:56 |
| swamireddy | DuncanT: how about ¨Alternatively I plan to use the mysql as master-mater mode with ceph rdb drive to store the mysql data file..¨ | 11:56 |
| swamireddy | DuncanT: Any inputs/sugestions? | 11:57 |
| DuncanT | swamireddy: I don't think that will work, but I've never actually tried it... | 11:58 |
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| swamireddy | DuncanT: Thanks....btw, any known issues with mysql m-m mode (with ceph rdb device) | 12:02 |
| DuncanT | swamireddy: I've never heard of it being deployed like that. I can imagine lots of issues, I don't think mysql is architected to work in that configuration - I suspect you'll get nasty data corruption - but I don't know for sure | 12:03 |
| swamireddy | DuncanT: Understood... Thank you... | 12:09 |
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| openstackgerrit | Shay Halsband proposed openstack/cinder: XtremIO: FC initialize connection failed https://review.openstack.org/255832 | 12:18 |
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| swamireddy | DuncanT: e0ne: As Galera supports synchronous replication - is this causes the latency issue? | 12:36 |
| Neoburner | DuncanT: service restart worked :) | 12:38 |
| Neoburner | logs cleared | 12:38 |
| dulek | swamireddy: In general it's quite common to run OpenStack with Galera cluster. | 12:42 |
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| dulek | swamireddy: Most of deployment software does so - Fuel, RH OSP, Kolla… | 12:43 |
| dulek | swamireddy: https://www.youtube.com/watch?v=hYSGsgIyshs - maybe this will be helpful for you? | 12:43 |
| DuncanT | Neoburner: Good to hear | 12:44 |
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| Neoburner | Thanks for your help | 12:48 |
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| swamireddy | dulek: Thank. Will check this vedio... | 12:54 |
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| openstackgerrit | Philipp Reisner proposed openstack/os-brick: DRBD connector class https://review.openstack.org/251266 | 13:04 |
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| openstackgerrit | Michal Dulko proposed openstack/cinder: Add metadata aliases to Volume object https://review.openstack.org/247763 | 13:39 |
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| mc_nair | hey dulek - is there a game plan for removing the dictionary access for the volume VO (guessing there'd be a lot of churn for that)? Also any consensus on whether to -1 new code that uses the dictionary style usage, even if the rest of the file still uses dict notation? | 14:08 |
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| scottda | e0ne: We will be discussing 'nova-manage force-delete' in the Nova meeting. Meeting is now. I'll ping you when the topic comes up if you'd like | 14:09 |
| e0ne | scottda: thanks for reminder! | 14:10 |
| e0ne | scottda: I won't be very active there, but will read the conversation at least | 14:10 |
| scottda | e0ne: Sure. But if you put in a message that this is important to you and your operators, it always helps | 14:11 |
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| e0ne | scottda: I add my 2c if I'll have any | 14:13 |
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| scottda | hmmm....I had to appear a process zealot, but it might be nice for Cinder to have a version of this: | 14:19 |
| scottda | https://wiki.openstack.org/wiki/Nova/Process | 14:19 |
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| smcginnis | scottda: I'll take a look at that. I'd rather be explicit rather than assume folks understand expectations. | 14:22 |
| smcginnis | chhavi: Unfortunately retype in that scenario requires migration. | 14:22 |
| scottda | smcginnis: yeah, I agree. | 14:22 |
| smcginnis | chhavi: Even though they may be the same array, since they are two different drivers they are considered two separate backends. | 14:22 |
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| smcginnis | chhavi: I have the same restriction with my storage and I do think it would be good to address it somehome. | 14:23 |
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| openstackgerrit | Shay Halsband proposed openstack/cinder: XtremIO: FC initialize connection failed https://review.openstack.org/255832 | 14:44 |
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| smcginnis | e0ne: If you can address the typos Yuriy pointed out in that spec, I'll readd my +2 right away. | 15:11 |
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| smcginnis | e0ne: I'm sure we can nudge DuncanT to do so as well. :) | 15:11 |
| e0ne | smcginnis: :) | 15:12 |
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| e0ne | smcginnis: I will do it right now | 15:12 |
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| smcginnis | e0ne: Thanks! | 15:12 |
| e0ne | smcginnis: np. thanks for the help | 15:12 |
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| openstackgerrit | Ivan Kolodyazhny proposed openstack/cinder-specs: Attach/detach volumes without Nova https://review.openstack.org/224124 | 15:18 |
| e0ne | smcginnis: done. let's wait for jgriffith's final vote | 15:18 |
| smcginnis | e0ne: Thank you! | 15:19 |
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| smcginnis | DuncanT: Mind readding your vote if you are good with the typo fixes? ^^ | 15:19 |
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| e0ne | smcginnis: I need release notes for my spec:) | 15:20 |
| smcginnis | e0ne: Oh, wait. You missed some. :[ | 15:20 |
| e0ne | 1min | 15:20 |
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| smcginnis | e0ne: Just a couple. I've pointed out the missed ones. | 15:21 |
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| e0ne | I definatly need spellchecker plugin for my editor | 15:22 |
| smcginnis | e0ne: ;) | 15:22 |
| mtanino | oh, typo... | 15:22 |
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| openstackgerrit | Ivan Kolodyazhny proposed openstack/cinder-specs: Attach/detach volumes without Nova https://review.openstack.org/224124 | 15:23 |
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| openstackgerrit | Merged openstack/cinder: Imported Translations from Zanata https://review.openstack.org/255091 | 15:36 |
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| smcginnis | yuriy_n17: You are a good proofreader. :) | 15:40 |
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| DuncanT | Bah, I was too lagged to see that there were a few more typos. I really don't care, none of them confuse any meanings. Fix in a followup patch if you care enoguh | 15:41 |
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| openstackgerrit | Manjeet Singh Bhatia proposed openstack/cinder: Use wild card for passing env variable https://review.openstack.org/255943 | 15:44 |
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| e0ne | smcginnis, jgriffith, DuncanT, hemnafk and all other reviewers: thanks a lot for help in getting it merged! | 15:45 |
| smcginnis | DuncanT: Yeah, close enough. :) | 15:45 |
| smcginnis | e0ne: Now the real work can continue! :) | 15:45 |
| e0ne | smcginnis: yep! | 15:45 |
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| mriedem | anyone seen this? http://logs.openstack.org/28/254428/5/check/gate-tempest-dsvm-full-ceph/37abedc/logs/screen-c-sch.txt.gz?level=TRACE | 15:50 |
| mriedem | it's the ceph job | 15:50 |
| mriedem | mtreinish: ^ | 15:51 |
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| mtreinish | mriedem: running out of space? | 15:53 |
| mriedem | yeah, ceph job | 15:53 |
| openstackgerrit | Sheel Rana proposed openstack/cinder: Below changes are done in this commit: a. replaces update() with oslo.db's soft_delete() used in volume_type_access_remove in sqlalchemy.db.api. b. updated db schema of volume_type_projects. "deleted" column type is modified from boolean to integer https://review.openstack.org/255947 | 15:53 |
| mriedem | logstash doesn't find this for some reason | 15:53 |
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| jbernard | mriedem: the osd may be misweighted, and so has 0 capactiy | 15:55 |
| jbernard | mriedem: which would cause such an error | 15:55 |
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| mriedem | jbernard: thought you had a thing for taht? | 15:56 |
| mriedem | https://review.openstack.org/#/c/240328/ | 15:57 |
| jbernard | mriedem: i did, but i think it was held off for the new plugin | 15:57 |
| mriedem | ok, yeah, that's the bug then | 15:57 |
| jbernard | mriedem: yep | 15:57 |
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| openstackgerrit | Merged openstack/cinder-specs: Attach/detach volumes without Nova https://review.openstack.org/224124 | 15:57 |
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| openstackgerrit | Mikhail Khodos proposed openstack/cinder: Re-add Nexenta driver https://review.openstack.org/188877 | 16:23 |
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| openstackgerrit | Tom Swanson proposed openstack/cinder: Dell SC: Implements Replication V2 https://review.openstack.org/244867 | 16:29 |
| openstackgerrit | Merged openstack/os-brick: Remove brackets from portal https://review.openstack.org/234425 | 16:32 |
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| dulek | mc_nair: Hi. We don't have a detailed plan yet. We haven | 16:38 |
| dulek | mc_nair: We haven't even completed the conversion. ;) | 16:39 |
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| dulek | mc_nair: From my perspective dict notation remarks are little issue. Using "a in b" and a.get('foo', 'else') is more problematic, because it's harder to remove in the future. | 16:40 |
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| hemna | ildikov, ping | 16:40 |
| ildikov | hemna: pong | 16:41 |
| hemna | good morning/evening | 16:41 |
| hemna | so I posted up a Cinder patch that fixes the lvm issue | 16:41 |
| hemna | https://review.openstack.org/#/c/255595 | 16:41 |
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| ildikov | I still have a few things to figure out with the mocks in the tests, so from the night shift perspective, good morning :) | 16:41 |
| hemna | I did that just before I went home last night. looks like I have some pep8 stuff to cope with | 16:42 |
| ildikov | hemna: cool, tnx | 16:42 |
| hemna | so you should be able to pull that down and test with it | 16:42 |
| ildikov | hemna: I have failing ec2 unit tests atm :S | 16:42 |
| hemna | it should fix the problems you were seeing with lvm, and get you to a point to do the end to end testing | 16:42 |
| hemna | bah | 16:42 |
| ildikov | the rest I managed to fix by now I think | 16:42 |
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| hemna | I'll fix the pep8 stuff today and work on adding more unit tests for it | 16:42 |
| hemna | so I can get it out of WIP | 16:43 |
| ildikov | hemna: cool, I will just push my patch up as the 5th in the row, when I fixed the already existing ones | 16:43 |
| hemna | ok sounds good :) | 16:43 |
| ildikov | I only need to see in Nova that nothing breaks | 16:43 |
| mc_nair | dulek: interesting. So if I'm understanding, you're saying vol['prop'] will be easier to remove in the future than vol.get('prop', 'stuff') ? | 16:44 |
| hemna | yah, not breaking Nova is probably a good thing. | 16:44 |
| scottda | hemna: Was there a nova change to make your fix work? | 16:44 |
| hemna | scottda, yes | 16:44 |
| ildikov | ... or at least this is my philosophy for now :) | 16:44 |
| hemna | scottda, I sent ildikov an email last night with my diff for nova along with the logs and explanation, etc. | 16:44 |
| scottda | ahh..ok. | 16:44 |
| ildikov | scottda: I have failing unit tests atm, but if you need the patch I can upload the current version | 16:45 |
| ildikov | hemna: BTW, did you see any odd things yesterday, when you were playing with the patches? | 16:45 |
| dulek | mc_nair: I'm not sure on "in" test on objects without DictCompat mixin. | 16:46 |
| hemna | not really | 16:46 |
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| hemna | other than the issue that I fixed | 16:46 |
| ildikov | I know that it was not the purpose to test multi-attach itself, I just ask from a what to keep in mind perspective :) | 16:46 |
| ildikov | ok, sounds great | 16:46 |
| dulek | mc_nair: That's why I think it will be harder. ;) | 16:46 |
| hemna | that being said all I tested was attach attach detach detach | 16:46 |
| hemna | I didn't do live migration or anything like that | 16:46 |
| ildikov | hemna: well, if we can make it work for the very basics that's already a good news for me :) | 16:47 |
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| ildikov | but sure, those will need to be tested too | 16:47 |
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| hemna | :) | 16:48 |
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| ildikov | ok, then I go back playing with the mocks | 16:48 |
| hemna | fun! | 16:49 |
| ildikov | I will try to ping a few Nova guys to take a look at | 16:49 |
| hemna | ok cool. | 16:49 |
| hemna | I'm here if you need anything | 16:49 |
| ildikov | cool, thanks! | 16:49 |
| ildikov | one question | 16:49 |
| hemna | shoot | 16:50 |
| ildikov | I saw in the API code that Nova and Cinder has almost the same functions implemented | 16:50 |
| hemna | oh? | 16:51 |
| ildikov | these translation functions at least | 16:51 |
| smcginnis | brick! :) | 16:51 |
| hemna | oh those things, yah those are ugly | 16:52 |
| hemna | smcginnis, heh | 16:52 |
| hemna | just throw a brick at it | 16:52 |
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| hemna | ildikov, I think we could clean those up later | 16:52 |
| ildikov | I mean this one for instance: https://github.com/openstack/nova/blob/master/nova/api/openstack/compute/volumes.py#L47 | 16:52 |
| hemna | yah | 16:53 |
| ildikov | I don't want to do it now, as I would like to see the multiattach in one piece working | 16:53 |
| hemna | honestly, I don't know why those even exist | 16:53 |
| hemna | and why nova can't just use the vol dict as is | 16:53 |
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| ildikov | ...but later on it would be nice to get rid of either or | 16:53 |
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| hemna | yup | 16:54 |
| hemna | agreed | 16:54 |
| ildikov | I think to challenge me, because at the moment I'm not 100% sure how that dict looks like that Nova uses inside... :) | 16:54 |
| hemna | I was confused by it too when I started my nova patch ages ago for multiattach | 16:55 |
| hemna | something to look at laters I think | 16:55 |
| ildikov | ok, then it's not just the noobie me :) | 16:55 |
| openstackgerrit | Walter A. Boring IV (hemna) proposed openstack/cinder: WIP don't call remove_export with attachments left https://review.openstack.org/255595 | 16:55 |
| ildikov | cool, then we're on the same page | 16:56 |
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| mc_nair | dulek: ah, I'm with you now :) Thanks for the info | 17:02 |
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| openstackgerrit | Alexey Khodos proposed openstack/cinder: Re-add Nexenta driver https://review.openstack.org/188877 | 17:17 |
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| Swanson | If replication_enable/disable fail should I be doing a model_update['replication_status'] = | 17:24 |
| Swanson | error' or just raise an exception? | 17:24 |
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| dulek | dansmith: Hi. Can I chat with you on the topic of DB schema migrations and upgrades? | 17:36 |
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| dansmith | dulek: yeah | 17:36 |
| dulek | dansmith: So in Nova you have a policy to never drop or alter columns. | 17:36 |
| dulek | dansmith: What about tinyint->integer conversion? | 17:37 |
| dansmith | well, it's banned by our tests, | 17:37 |
| dansmith | but if there's some reason that's not a locking operation, we could do an exception for it, | 17:37 |
| dulek | dansmith: It seems that SQLAlchemy wouldn't care about that and ALTER will work the same way as when adding a new column. | 17:37 |
| dansmith | although such a thing has not come up | 17:37 |
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| dulek | This "locking operation" gets me thinking. | 17:38 |
| dansmith | how does that not lock the table? | 17:38 |
| dulek | According to MySQL docs adding a new column is a locking operation. | 17:38 |
| dulek | And yet you allow them, don't you? | 17:38 |
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| dansmith | I think that's only true of older versions, right/ | 17:39 |
| dulek | I might have had looked at older documentation… Will need to check. | 17:39 |
| dansmith | dulek: to be honest, I'm not the best person to talk to about these details... | 17:39 |
| dansmith | dulek: you should ask jaypipes or zzzeek about that | 17:39 |
| dulek | Okay. | 17:39 |
| dulek | One more thing - why having a brief exclusive lock on a table actually a problem? | 17:40 |
| dansmith | I think there are lots of details to consider, but I'm pretty sure both of them have said you can add columns without locking the whole table in like 5.5+ | 17:40 |
| dansmith | but, the bigger problem is a table rewrite I think | 17:40 |
| dansmith | a small lock isn't, but if it requires rewriting the table during the lock, then there's a problem | 17:40 |
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| dulek | MySQL on ALTERs will create a temp table and then just switch them while acquiring an exclusive lock. | 17:41 |
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| dansmith | although if you're additive, then you can schedule downtime for the migrations that will lock things, without having to roll new code, which massively lowers the amount of work that has to be done during the downtime | 17:41 |
| dulek | dansmith: The case I've mentioned at the beginning is additive. :) | 17:42 |
| dulek | Okay, I'll dig deeper into the docs. What I wanted to know is that you *do* care about a table lock. Thanks! | 17:42 |
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| dansmith | tinyint->int is additive why? because sqla doesn't care? | 17:43 |
| dulek | dansmith: Yes. And you cannot lose any data in case of such migration. | 17:43 |
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| dulek | Or am I mising something important? | 17:43 |
| dansmith | yeah, I guess if it doesn't require a model change, then it's equivalent | 17:44 |
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| dulek | dansmith: :) Thanks for your time. | 17:44 |
| dansmith | dulek: https://dev.mysql.com/doc/refman/5.7/en/innodb-online-ddl.html | 17:45 |
| dansmith | "The online DDL feature, introduced in MySQL 5.6, enhances many other types of ALTER TABLE operations to avoid table copying, blocking DML operations while DDL is in progress, or both." | 17:45 |
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| dulek | daneyon_: "ADD COLUMN is not an in-place operation for stored columns (done without using a temporary table) because the expression must be evaluated by the server. For stored columns, indexing changes are done in place, and expression changes are not done in place. Changes to column comments are done in place." | 17:47 |
| dulek | dansmith: "ADD COLUMN is not an in-place operation for stored columns (done without using a temporary table) because the expression must be evaluated by the server. For stored columns, indexing changes are done in place, and expression changes are not done in place. Changes to column comments are done in place." | 17:47 |
| dulek | daneyon_: Sorry… | 17:47 |
| dansmith | okay | 17:48 |
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| dulek | dansmith: I'm confused now. So it looks like more reading for me. :) | 17:48 |
| dansmith | yeah, I can't ever keep it straght | 17:48 |
| dansmith | *but*.. as long as you decouple the code from the schema change, then you can run that separately, which means you're at the mercy of your DB and not having to roll code at the same time | 17:49 |
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| dansmith | dulek: online ddl does copy the table, but also allows concurrent queries and some amount of in-place-ness | 17:51 |
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| scottda | smcginnis: I don't think anyone is working on removing project_id from API URL , right? | 17:51 |
| dansmith | https://dev.mysql.com/doc/refman/5.7/en/innodb-create-index-overview.html | 17:51 |
| scottda | http://lists.openstack.org/pipermail/openstack-dev/2015-December/081288.html | 17:51 |
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| dansmith | dulek: so if it copies the table, but doesn't fully lock the whole thing, then you're in pretty good shape assuming you don't have to make code changes as a result | 17:51 |
| dulek | dansmith: Yeah, I've also got to this point. | 17:51 |
| dulek | dansmith: It requires exclusive lock to do the swap, but it's just a moment. | 17:52 |
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| dansmith | yeah | 17:52 |
| dulek | dansmith: Thanks for pointing to this page. | 17:52 |
| dansmith | yep | 17:53 |
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| dansmith | dulek: now, you remember this so I can forget it again, okay? :D | 17:53 |
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| dulek | dulek: You'll need to wait for an ACK from my brain.:) | 17:55 |
| * dulek is writing to himself. Time to get off work… | 17:55 | |
| mtanino | lol | 17:56 |
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| openstackgerrit | Walter A. Boring IV (hemna) proposed openstack/cinder: WIP 3PAR fix driver to work with image cache https://review.openstack.org/236143 | 18:09 |
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| openstackgerrit | Béla Vancsics proposed openstack/cinder: Reduced the complexity of the main() method https://review.openstack.org/250914 | 18:27 |
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| openstackgerrit | Merged openstack/cinder: XtremIO: fix iscsi chap discovery bug https://review.openstack.org/249051 | 18:34 |
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| smcginnis | scottda: Not that I'm aware of. | 18:37 |
| scottda | smcginnis: OK. Maybe I'll look at it...for 'N' release | 18:37 |
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| mtanino | DuncanT: hi, | 18:43 |
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| hemna | Unable to compute factors p and q from exponent d | 19:20 |
| hemna | well, there's your problem..... | 19:20 |
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| e0ne | hemna: are you talking about cinder? | 19:21 |
| hemna | e0ne, some gate-tempest-dsvm-postgres-full failure | 19:22 |
| * hemna scratches head | 19:22 | |
| hemna | e0ne, https://review.openstack.org/#/c/255595/ | 19:22 |
| hemna | I'm thinkin recheck | 19:22 |
| e0ne | hm... | 19:22 |
| hemna | https://bugs.launchpad.net/openstack-ci/+bug/1313168 | 19:23 |
| openstack | Launchpad bug 1313168 in OpenStack-Gate "paramiko ValueError: Unable to compute factors p and q from exponent d" [Medium,Triaged] | 19:23 |
| hemna | heh | 19:23 |
| Apoorva | hemna, smcginnis: Could you please check https://review.openstack.org/#/c/255449/ when you get a chance? | 19:25 |
| smcginnis | Apoorva: Sure, I'll take a look in a bit. | 19:25 |
| * hemna *click* | 19:25 | |
| Apoorva | cool, thanks! | 19:26 |
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| smcginnis | Apoorva: Nothing at all needed on the array side? | 19:26 |
| openstackgerrit | Alexey Khodos proposed openstack/cinder: Re-add Nexenta driver https://review.openstack.org/188877 | 19:26 |
| apoorvad | smcginnis: Not at this point since we do not have QoS, extra_spec support | 19:27 |
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| hemna | hrmm | 19:27 |
| hemna | no create_volume() ? | 19:27 |
| * hemna is confused | 19:28 | |
| smcginnis | apoorvad: Ah, inherits from NfsDriver. | 19:28 |
| smcginnis | hemna: ^^ | 19:28 |
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| apoorvad | hemna: create_volume in NFS driver | 19:29 |
| hemna | nfs.py doesn't have create_volume | 19:30 |
| smcginnis | Just noticed that. Tracing the code. | 19:30 |
| apoorvad | hemna: sorry, remotefs | 19:30 |
| hemna | remotefs.py ? | 19:30 |
| smcginnis | nfs inherits from remotefs. | 19:30 |
| smcginnis | The fun of inheritance. :) | 19:30 |
| apoorvad | smcginnis, hemna: yes, remotefs | 19:31 |
| hemna | hrmm | 19:31 |
| hemna | ok | 19:31 |
| hemna | so it's volumes are either from truncate or dd | 19:31 |
| hemna | and that's a config option | 19:32 |
| hemna | no extra specs supported in create | 19:32 |
| hemna | which means retype is a noop | 19:32 |
| apoorvad | hemna: that's my understanding :) | 19:32 |
| smcginnis | So it's unlikely the retype would ever get to the driver unless someone threw in some useless extra specs in the volume type. | 19:33 |
| smcginnis | And if they did that, there's nothing to be done. | 19:34 |
| hemna | yuh | 19:34 |
| smcginnis | So just return true so something like migration doesn't happen. | 19:34 |
| smcginnis | Makes sense. | 19:34 |
| smcginnis | And the comment on logging probably doesn't make a difference. | 19:34 |
| e0ne | will anybody hate me for -1 on unit tests with a comment like: "please, use ddt library here"? | 19:35 |
| hemna | I pushed it through | 19:35 |
| smcginnis | e0ne: I've suggested it but didn't -1 on past patches. | 19:35 |
| smcginnis | e0ne: Unless there are a bunch that are all the same except one value that can be iterated via ddt. | 19:35 |
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| smcginnis | e0ne: Then I would push it. | 19:36 |
| * smcginnis likes ddt | 19:36 | |
| e0ne | smcginnis: e.g. https://review.openstack.org/#/c/240413/8/cinder/tests/unit/test_huawei_drivers.py, lines #2577-2590 | 19:36 |
| apoorvad | hemna, smcginnis: thanks guys for a quick review :) | 19:36 |
| hemna | np | 19:36 |
| e0ne | there lines are almost the same | 19:36 |
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| smcginnis | e0ne: Yeah, looks like a great candidate for ddt. | 19:37 |
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| e0ne | smcginnis: thanks | 19:48 |
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| adutta | http://developer.openstack.org/api-ref-blockstorage-v2.html#getVolume | 20:04 |
| adutta | There is no encryption or boot flag mentioned in the document | 20:04 |
| adutta | but the api returns it | 20:04 |
| adutta | is it a documentation issue? | 20:05 |
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| openstackgerrit | Merged openstack/os-brick: Updated from global requirements https://review.openstack.org/254499 | 20:11 |
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| openstackgerrit | Merged openstack/cinder: Fix non-migration swap with error https://review.openstack.org/252089 | 20:28 |
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| openstackgerrit | Jon Bernard proposed openstack/os-brick: Allow RBDClient to be used from a with-statement https://review.openstack.org/248936 | 20:40 |
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| openstackgerrit | Jon Bernard proposed openstack/cinder: RBD: add support for driver-assisted volume migration https://review.openstack.org/256091 | 20:50 |
| openstackgerrit | Merged openstack/cinder: Add validation for volume_type of volume object https://review.openstack.org/254414 | 20:51 |
| openstackgerrit | Jon Bernard proposed openstack/cinder: RBD: add support for driver-assisted volume migration https://review.openstack.org/256091 | 20:53 |
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| openstackgerrit | Angela Smith proposed openstack/cinder: Adds friendly zone name support https://review.openstack.org/180518 | 21:21 |
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| openstackgerrit | Nate Potter proposed openstack/cinder: Added more options while uploading volume as image https://review.openstack.org/230617 | 21:42 |
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| openstackgerrit | Nate Potter proposed openstack/cinder: Added more options while uploading volume as image https://review.openstack.org/230617 | 21:43 |
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| openstackgerrit | Merged openstack/python-cinderclient: Add functional tests: backup creation and deletion https://review.openstack.org/246513 | 21:44 |
| openstackgerrit | xing-yang proposed openstack/os-brick: ScaleIO could connect wrong volume to VM https://review.openstack.org/256106 | 21:47 |
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| openstackgerrit | Helen Walsh proposed openstack/cinder: EMC VMAX - Fix for last volume in VMAX3 storage group https://review.openstack.org/244331 | 21:58 |
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| openstackgerrit | Tom Swanson proposed openstack/cinder: Dell SC: Implements Replication V2 https://review.openstack.org/244867 | 22:04 |
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| openstackgerrit | Merged openstack/cinder: Check context before returning cached value https://review.openstack.org/254357 | 22:25 |
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| openstackgerrit | Helen Walsh proposed openstack/cinder: EMC VMAX - get_short_host_name not called in find_device_number https://review.openstack.org/252093 | 22:39 |
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| CrtxReavr | Oh, thank God this channel is a thing. | 22:47 |
| CrtxReavr | I'm struggling to do the python equiv of a 'cinder quota-show <tenantID>' | 22:48 |
| CrtxReavr | I managed to do it for nova. | 22:48 |
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| CrtxReavr | But when I do cinder_obj.quotas.get(tenantID), I get a backtrace ending in AttributeError: 'NoneType' object has no attribute 'find' | 22:50 |
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| mc_nair | hey CrtxReavr, are you referring to using CinderClient? Not sure offhand but it seems like somewhere we're getting None instead of a real object and we're trying to call "find" from the base.py on that | 22:58 |
| smcginnis | CrtxReavr: Can you paste the full stack trace? paste.openstack.org | 22:58 |
| CrtxReavr | ipython stacktace okay, or you want a cleaner one? | 23:00 |
| smcginnis | CrtxReavr: Whatever you've got I guess. | 23:00 |
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| smcginnis | CrtxReavr: The output from "cinder --version" would be handy too. | 23:01 |
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| CrtxReavr | Um. .. . no, the python-cinderclient module. | 23:01 |
| smcginnis | You should be able to run cinder --version from the command line to get which version of python-cinderclient is installed. | 23:02 |
| hemna | mtreinish, ping | 23:03 |
| mtreinish | hemna: pong | 23:03 |
| hemna | hey man, how do I enable the colored ostestr output ? | 23:03 |
| hemna | https://review.openstack.org/#/c/249005/ | 23:03 |
| hemna | I added --color to my tox.ini and it complained. | 23:03 |
| mtreinish | hemna: oh, we didn't expose a ostestr flag to use it | 23:03 |
| hemna | oh | 23:03 |
| mtreinish | it's a subunit trace option | 23:03 |
| hemna | heh | 23:03 |
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| mtreinish | hemna: to test it until someone (hopefully you) pushes that patch do: testr run --subunit | subunit-trace --color | 23:04 |
| mtreinish | or something like that | 23:04 |
| CrtxReavr | Acutally, I just found my problem. | 23:04 |
| smcginnis | CrtxReavr: Great! | 23:04 |
| hemna | :wqa | 23:04 |
| hemna | heh | 23:05 |
| CrtxReavr | Actually though. .. | 23:05 |
| smcginnis | hemna: Twice today I've tried exiting a gui app by typing :q | 23:05 |
| CrtxReavr | This is the first openstack python module I've used that doesn't seem to support the OBJECT.to_dict() method. | 23:06 |
| hemna | hehe | 23:06 |
| hemna | subunit-trace: error: unrecognized arguments: --color | 23:06 |
| smcginnis | CrtxReavr: Funny you should mention that... | 23:06 |
| CrtxReavr | o_O | 23:06 |
| smcginnis | CrtxReavr: On it's way... https://review.openstack.org/#/c/207340/ | 23:07 |
| smcginnis | CrtxReavr: Assuming that makes it through eventually. | 23:07 |
| mtreinish | hemna: venv? | 23:07 |
| CrtxReavr | How far out is that? | 23:07 |
| smcginnis | CrtxReavr: If you want to install from that patch - having real world confirmation that it works would be awesome. | 23:07 |
| CrtxReavr | I'll give it a go. | 23:08 |
| smcginnis | CrtxReavr: Great! If it works for you, please leave a comment to that affect on that patch. That could really help it move along. | 23:08 |
| smcginnis | CrtxReavr: I've been meaning to test it but haven't gotten to it yet. | 23:08 |
| hemna | mtreinish, I'm not a subunit master. I'm not sure how to make it work | 23:09 |
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| hemna | I'd like to get it working with tox, so I can make my expected/actual dump readable | 23:09 |
| hemna | bleh | 23:09 |
| mtreinish | hemna: one sec I'll push the ostestr patch for you then :) | 23:09 |
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| mtreinish | hemna: https://review.openstack.org/#/c/256133/ | 23:18 |
| hemna | ok I pulled os-testr down applied that patch, installed it | 23:23 |
| hemna | ran it manually and no color | 23:23 |
| hemna | ostestr --color -n cinder.tests.unit.test_hpe3par.TestHPE3PARFCDriver.test_create_cloned_volume | 23:23 |
| hemna | I'm probably doing something wrong | 23:23 |
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| hemna | mtreinish, https://www.dropbox.com/s/to0smzcvy3ahggm/os-testr.png?dl=0 | 23:26 |
| mtreinish | hemna: are you using a venv? (like with tox) if so make sure you install the patched ostestr in the venv | 23:28 |
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| hemna | /usr/local/bin/ostestr --color -n cinder.tests.unit.test_hpe3par.TestHPE3PARFCDriver.test_create_cloned_volume | 23:29 |
| hemna | is how I'm running it | 23:29 |
| hemna | --help shows me the --color option | 23:30 |
| mtreinish | hmm, then I'd expect it to work | 23:30 |
| mtreinish | when I tested it locally --color made FAILED red | 23:30 |
| hemna | hrmm yah I'm not seeing that :( | 23:31 |
| mtreinish | hemna: hmm, when I run it through tox the color doesn't work | 23:32 |
| mtreinish | but when I manually activate the tox venv and run it by hand it does | 23:32 |
| mtreinish | that's kinda weird :) | 23:32 |
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| hemna | I didn't specify --pretty as well | 23:33 |
| hemna | tried that, same | 23:33 |
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| mtreinish | hemna: --pretty is the default :) | 23:34 |
| mtreinish | hemna: maybe it's a terminal thing | 23:34 |
| hemna | ok, I was just looking at your patch at it does an if pretty: | 23:35 |
| hemna | so I decided to force it on | 23:35 |
| hemna | I'm ssh'd into a server and then into a vagrant | 23:35 |
| hemna | TERM=xterm | 23:35 |
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| mtreinish | hemna: that could be it. The terminfo for color could be lost somewhere. ALthough that's a bit unlikely | 23:40 |
| openstackgerrit | Anthony Lee proposed openstack/cinder: 3PAR: Implement un/manage snapshot support https://review.openstack.org/253760 | 23:43 |
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| openstackgerrit | Alex O'Rourke proposed openstack/cinder: LeftHand: Implement v2 replication (managed) https://review.openstack.org/255002 | 23:48 |
| openstackgerrit | Alex O'Rourke proposed openstack/cinder: LeftHand: Implement v2 replication (unmanaged) https://review.openstack.org/255544 | 23:48 |
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