Friday, 2019-01-18

« Thursday, 2019-01-17 Index Saturday, 2019-01-19 »
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openstackgerritMerged openstack/cinder stable/rocky: VMAX driver doc - notification of fix on AFA OS upgrade issue  https://review.openstack.org/62595000:48
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whoami-rajatjungleboyj: thanks jay.01:21
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openstackgerritMerged openstack/cinder stable/rocky: add resource filters to the included data_files  https://review.openstack.org/63017401:37
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openstackgerritMerged openstack/cinder master: Pass image_id to ImageDownloadFailed  https://review.openstack.org/62976608:11
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openstackgerritMerged openstack/cinder stable/pike: Unity: Enable ssl verification  https://review.openstack.org/62607009:00
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whoami-rajatThe Quantstor driver seems rechecking itself again and again (13 times) here [1], anyone from the driver team to look into it.10:06
whoami-rajat[1] https://review.openstack.org/#/c/625818/10:06
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openstackgerrityenai proposed openstack/os-brick master: Add missing params in NoOpEncryptor  https://review.openstack.org/63176810:19
openstackgerrityenai proposed openstack/os-brick master: Add missing params in NoOpEncryptor  https://review.openstack.org/63176810:23
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openstackgerritKuiRong proposed openstack/cinder master: Re-add Infortrend Cinder volume driver  https://review.openstack.org/52365912:26
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ignaziocassano1hello every one12:35
ignaziocassano1Please, anyone can help me ?12:36
ignaziocassano1When a trust scoped token is passed to cinder client to take a snapshot, I expect the client use the token to authenticate and perform the operation which cinder client does. However cinder volume service invokes novaclient as part of cinder nfs backend snapshot operation and novaclient tries to re-authenticate. Since keystone does not allow re-authentication using trust based tokens, cinder snapshot operation fails.12:36
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whoami-rajatignaziocassano1: Hi, could you point to the code where you think the novaclient is invoked from the NFS driver. Also can you show the exception that is raised with the traceback12:56
ignaziocassano1Hello, where can I post ?12:56
ignaziocassano1thnks12:57
ignaziocassano1I do not remember which site is used to post log files13:00
ignaziocassano1Rajat ?13:02
ignaziocassano1Have you read my question ?13:02
ignaziocassano1http://paste.openstack.org/show/742944/13:06
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whoami-rajatignaziocassano1: sorry I'm on my way home, will take a look when I reach.13:11
ignaziocassano1Oh sorry13:16
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ignaziocassano1many thanks13:16
ignaziocassano1Any case I also sent an email on openstack discuss mailing list13:17
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ignaziocassano1rajat, the code returning error his here https://github.com/openstack/cinder/blob/master/cinder/volume/drivers/remotefs.py#L147614:25
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openstackgerritKumar Prashant proposed openstack/cinder master: PowerMax Driver - Backup snapshots   Provides PowerMax users a way to create a backup of volume using volume snapshots by attaching the snapshot during the backup process.   Implements: blueprint powermax-backup-snapshots  https://review.openstack.org/63180014:30
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whoami-rajatignaziocassano1: Can you tell me why are we using trust scoped tokens?15:02
whoami-rajatignaziocassano1: this seems related https://blueprints.launchpad.net/keystone/+spec/trust-scoped-re-authentication15:04
ignaziocassano1I must ask to developers. Any case it seems not possible to use it.15:10
ignaziocassano1Any case I sent an email and if anyone wants to speak about that, is welcome. I must go home15:12
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openstackgerritHelen Walsh proposed openstack/cinder master: PowerMax driver - backup snapshots  https://review.openstack.org/63180015:33
openstackgerritHelen Walsh proposed openstack/cinder master: PowerMax driver - do the portgroup check earlier  https://review.openstack.org/63181015:37
openstackgerritHelen Walsh proposed openstack/cinder master: PowerMax driver - backup snapshots  https://review.openstack.org/63180015:46
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openstackgerritHelen Walsh proposed openstack/cinder master: PowerMax driver - solve issue of concurrent snapvx operations  https://review.openstack.org/63153415:59
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openstackgerritHelen Walsh proposed openstack/cinder master: PowerMax driver - do the portgroup check earlier  https://review.openstack.org/63181016:14
openstackgerritHelen Walsh proposed openstack/cinder master: PowerMax driver - do the portgroup check earlier  https://review.openstack.org/63181016:15
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openstackgerritHelen Walsh proposed openstack/cinder master: PowerMax driver -  move pagination code to request  https://review.openstack.org/63013116:43
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hemnahe geguileo you around?17:49
hemnataking a look at the cinderlib stuffs17:49
hemnaand I'm confused about a few things17:49
hemnalike....why cinderlib has a database to track volumes and snapshots, etc17:50
hemnawhen Cinder has a DB already for tracking those17:50
hemnaand why there is an os-brick RBD connector in cinderlib?17:50
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* hemna is confused17:50
hemnabut the DB itself is troubling17:50
hemnaI like the idea of cinderlib though17:52
hemnaI was looking at it and playing with it a bit yesterday17:52
hemnaand realized that we should probably have some static method in all of our drivers for fetching the options for each driver17:53
hemnaso someone using cinderlib can self discover the driver's options prior to instantiating the driver object17:53
hemnaalso would help to have a call to fetch all existing/support drivers too17:53
hemnaI was able to create a quick POC that fetches the oslo config options for the LVM driver17:54
hemnavia a static method on the LVM driver itself17:54
hemnabut it got me thinking, why do we have all of our driver options declared outside of the driver17:55
hemnaand not part of the driver itself17:55
hemnageguileo: http://paste.openstack.org/show/742977/17:58
hemnaLooks like there is an interface mechanism in cinder to fetch all existing drivers18:03
hemnathe generate_driver_list.py tool calls it18:03
hemnaif we had a static method on the driver class that fetches the driver options, we could add that in the output for that tool too18:04
hemnaas well as the driver capabilities18:05
hemnajungleboyj: ^^18:05
hemnajust need a way to force implementing the static method, abc can do it I think18:07
hemnaheh looks like the cinder/interface stuff isn't used really anywhere other than for that tool18:08
hemnasmcginnis_away:18:08
openstackgerritAlan Bishop proposed openstack/cinder stable/rocky: Fix permissions with NFS-backed snapshots and backups  https://review.openstack.org/63185618:11
openstackgerritAlan Bishop proposed openstack/cinder stable/rocky: Avoid using 'truncate' on Windows  https://review.openstack.org/63185718:11
jungleboyjhemna:  In a meeting.  Will catch up in a bit.18:11
hemnaok np18:12
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jungleboyjhemnaaway:   So, geguileo can answer better than me but I think the reason that there is a rudimentary DB is because you will not have the rest of Cinder there and no database.   If the user wants to save state they are going to have to have a simple DB to do that.18:46
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geguileohemnaaway: sorry, I was out19:21
geguileohemnaaway: first the DB: cinderlib can be used without a DB, just storing the OVOs in memory, and the user of cinderlib takes care of storing the data however they want (probably using the serialization mechanisms already existing in cinderlib)19:22
geguileohemnaaway: but cinderlib also has a persistence plugin mechanism that allows users to create their own plugins to store the data automatically when it changes19:22
geguileohemnaaway: there are 3 plugins included in cinderlib: in memory (default), in-memory sqlite, and using sqlalchemy like cinder does19:23
geguileohemnaaway: for example, for Ember-CSI (CSI plugin for containers using cinderlib) it also writes its own CRD metadata plugin so it can store the volume, snapshot, and connection information on Kubernetes etcd (that way it can be deployed without any additional DB)19:24
geguileohemnaaway: On the RBD connector: The RBD driver has can do 2 types of attachments: What we call remote and local19:25
geguileohemnaaway: remote is used by Nova, so it doesn't actually create a block device in /dev, instead it just creates a temporary file with the credentials and Nova uses libvirt to attach the volume using QEMU's connector19:26
geguileohemnaaway: the local attachment provides a fd that we use directly in Python to copy data19:26
geguileohemnaaway: none of those create a real block device, which is what most people would want when attaching a volume19:27
geguileohemnaaway: the reason why it isn't included in os-brick yet is for expidiency19:27
geguileohemnaaway: I will add it later so it can be used by e0ne's cinderclient extension19:28
geguileohemnaaway: but it needs to add a new parameter to identify when we actually want a local device to be created, and we have to agree on what the best way to do it is19:29
geguileohemnaaway: I hope that helps19:29
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openstackgerritGorka Eguileor proposed openstack/cinder master: Import the cinderlib code  https://review.openstack.org/62066919:40
openstackgerritGorka Eguileor proposed openstack/cinder master: Add cinderlib docs  https://review.openstack.org/62067019:40
openstackgerritGorka Eguileor proposed openstack/cinder master: Add cinderlib functional tests  https://review.openstack.org/62067119:40
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mriedemwe should probably tone down this warning in os-brick21:19
mriedemhttp://logs.openstack.org/77/615677/20/check/tempest-full/a411aa1/controller/logs/screen-n-cpu.txt.gz?level=WARNING#_Jan_16_22_53_17_02356221:19
mriedemif you're not using nvme, you don't need constant warnings about that21:19
mriedemhttps://bugs.launchpad.net/os-brick/+bug/181244121:21
openstackLaunchpad bug 1812441 in os-brick "Excessive warnings about dmidecode not found from nvme backend" [Undecided,New]21:21
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mriedemwhat is the cinder rsd backend anyway?21:25
eharneyhttps://review.openstack.org/#/c/630971/ does this21:31
mriedemok duped my bug21:32
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