Wednesday, 2015-11-11

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openstackgerritJoshua Harlow proposed openstack/taskflow: Use the misc.ensure_dict helper in conductor engine options saving  https://review.openstack.org/24387500:20
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openstackgerritDavanum Srinivas (dims) proposed openstack/oslo.service: Support for SSL protocol and cipher controls  https://review.openstack.org/24285901:31
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lixiaoy1Hello, everyone.  I have a problem that nova and cinder uses a common code part, I am wondering whether I can put it in oslo, Anyone can give some suggestions?01:37
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lixiaoy1This is the codes shared by Nova and Cinder: https://github.com/openstack/cinder/tree/master/cinder/keymgr01:38
lixiaoy1Currently Nova and Cinder both keep a copy in their component01:39
openstackgerritDavanum Srinivas (dims) proposed openstack/oslo.messaging: Decouple transport for RPC and Notification  https://review.openstack.org/23325801:40
dimslixiaoy1 both are related to barbican?01:41
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lixiaoy1yes01:42
lixiaoy1this is copy in nova: https://github.com/openstack/nova/tree/master/nova/keymgr01:43
dimslixiaoy1 then it probably best to ask a barbican folks to maintain a small library01:43
lixiaoy1do you mean to create a new library in oslo?01:43
dimsno new library in barbican01:43
lixiaoy1but here they are key manager, except barbican, there is still conf_key_mgr.py which keeps a fixed key01:45
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openstackgerritGreg Hill proposed openstack/taskflow: Add optional 'defer_reverts' behavior  https://review.openstack.org/24326801:47
openstackgerritJoshua Harlow proposed openstack/taskflow: Use the misc.ensure_dict helper in conductor engine options saving  https://review.openstack.org/24387501:49
openstackgerritJoshua Harlow proposed openstack/taskflow: Move engine options extraction to __init__ methods  https://review.openstack.org/24379301:49
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lixiaoy1dims: this part looks like key wrapper/interface, through it customer can select different key storage methods. barbican is just one of them02:00
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openstackgerritChangBo Guo(gcb) proposed openstack/oslo.utils: Fix get_class_name() on Python 3  https://review.openstack.org/24159103:42
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openstackgerritMerged openstack/oslo.service: Support for SSL protocol and cipher controls  https://review.openstack.org/24285903:48
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crc32I'm trying to understand what an exchange is in oslo_messaging. I have two differen't projects that need to communicate with each other via the same topic exchange what ever and I can't seem to figure out what it takes to get both applications talking on the same exchange, topic, queue etc.08:15
crc32what exactly is an exchange vs a topic?08:16
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openstackgerritSergey Nikitin proposed openstack/oslo.db: Added method get_legacy_facade() to the _TransactionContextManager  https://review.openstack.org/24400408:48
openstackgerritMarkus Zoeller (markus_z) proposed openstack/oslo.config: Add help text generation for OptGroups  https://review.openstack.org/24247208:49
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openstackgerritSergey Nikitin proposed openstack/oslo.db: Added method get_legacy_facade() to the _TransactionContextManager  https://review.openstack.org/24400409:18
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openstackgerritDmitry Tantsur proposed openstack/oslo.service: Change "started child" messages to DEBUG  https://review.openstack.org/24402109:34
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openstackgerritDmitry Tantsur proposed openstack/oslo.messaging: Make "Connect(ing|ed) to AMQP server" log messages DEBUG level  https://review.openstack.org/24402309:42
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mdboothsileht: Hey, love to get your input on the nova thing. I'm not going to do anything without your input.10:02
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openstackgerritMerged openstack/oslo-incubator: Remove deprecated `apiclient'  https://review.openstack.org/24357810:18
openstackgerritOleksii Zamiatin proposed openstack/oslo.messaging: [zmq][matchmaker] Distinguish targets by listener types  https://review.openstack.org/24403610:20
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openstackgerritOleksii Zamiatin proposed openstack/oslo.messaging: [zmq][matchmaker] Distinguish targets by listener types  https://review.openstack.org/24403610:38
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openstackgerritOleksii Zamiatin proposed openstack/oslo.messaging: [zmq][matchmaker] Distinguish targets by listener types  https://review.openstack.org/24403611:18
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openstackgerritOleksii Zamiatin proposed openstack/oslo.messaging: [zmq][matchmaker] Distinguish targets by listener types  https://review.openstack.org/24403611:30
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openstackgerritKseniya Tychkova proposed openstack/oslo.policy: Draft implementation of LDAP RBAC blueprint  https://review.openstack.org/24405911:57
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openstackgerritMerged openstack/oslo.privsep: Tell git to ignore /.eggs dir too  https://review.openstack.org/24144312:11
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openstackgerritOleksii Zamiatin proposed openstack/oslo.messaging: [zmq] Add config options to specify dynamic ports range  https://review.openstack.org/24406712:15
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openstackgerritChangBo Guo(gcb) proposed openstack/oslo.config: Allow method set_override with parameter override=None for all types  https://review.openstack.org/24300112:40
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openstackgerritMerged openstack/oslo.db: Added method get_legacy_facade() to the _TransactionContextManager  https://review.openstack.org/24400412:44
dimssileht, jd__, ozamiatin: any opinions on this? https://review.openstack.org/#/c/233258/12:52
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gcbdims,  I'm working on let method CONF.set_override with parameter  enforce_type=True by default.  All projects use CONF.set_override without enfore_type=True will lead invalid test or wrong unit test.13:29
gcbdims, there is POC in Nova  https://review.openstack.org/#/c/242416/, that shows  problems13:30
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gcbI plan to enable enforce_type=True in projects and set enforce_type=True by default in oslo.config , should I need a blueprint for this ?13:32
openstackgerritMerged openstack/oslo.config: Remove "Kept for backward-compatibility" comment  https://review.openstack.org/24363013:38
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openstackgerritJohn Eckersberg proposed openstack/oslo.messaging: rabbit: Add rabbit_queue_ttl option  https://review.openstack.org/24384513:46
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openstackgerritMerged openstack/oslo.service: Avoid removing entries for timers that didn't stop  https://review.openstack.org/22917213:50
openstackgerritDmitry Tantsur proposed openstack/oslo.messaging: Make "Connect(ing|ed) to AMQP server" log messages DEBUG level  https://review.openstack.org/24402313:51
openstackgerritMerged openstack/oslo.messaging: Fixing the server example code Added server.stop() before server.wait()  https://review.openstack.org/24329413:51
stevemar_dims and dhellmann: poking for +2 on requirements change: https://review.openstack.org/#/c/241660/14:00
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openstackgerritOleksii Zamiatin proposed openstack/oslo.messaging: [zmq] Update zmq-deployment guide according to the new driver  https://review.openstack.org/24413214:28
openstackgerritOleksii Zamiatin proposed openstack/oslo.messaging: [zmq] Update zmq-deployment guide according to the new driver  https://review.openstack.org/24413214:29
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openstackgerritOleksii Zamiatin proposed openstack/oslo.messaging: [zmq][matchmaker] Distinguish targets by listener types  https://review.openstack.org/24403614:31
openstackgerritOleksii Zamiatin proposed openstack/oslo.messaging: [zmq] Add config options to specify dynamic ports range  https://review.openstack.org/24406714:31
openstackgerritJohn Eckersberg proposed openstack/oslo.messaging: rabbit: Add rabbit_queue_ttl option  https://review.openstack.org/24384514:32
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openstackgerritRuby Loo proposed openstack/oslo.concurrency: log stdout & stderr from executing a command  https://review.openstack.org/24333914:37
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dimsgordc : seems to work fine? http://paste.openstack.org/show/478558/14:44
openstackgerritElena Ezhova proposed openstack/oslo.service: Add functionality for creating Unix domain WSGI servers  https://review.openstack.org/24086014:48
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gordcdims: hmm... i guess another condition causes the duplicateopterror... cool with me i guess.14:52
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dimsgordc good catch though. i missed that code path14:56
dimsthanks gordc14:56
gordcdims: i enjoy crying wolf :)14:58
dimsgordc that's the job description for all of us :)14:58
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openstackgerritAndreas Jaeger proposed openstack/oslo.privsep: Enable translations  https://review.openstack.org/24414415:05
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mhickey_Hey. Adding oslo config generation to Neutron. I have a question about config item, from oslo.concurrency if anyone can help?15:42
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openstackgerritDmitry Tantsur proposed openstack/oslo.messaging: Make "Connect(ing|ed) to AMQP server" log messages DEBUG level  https://review.openstack.org/24402316:11
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openstackgerritOpenStack Proposal Bot proposed openstack/oslo-incubator: Updated from global requirements  https://review.openstack.org/24418716:19
openstackgerritOpenStack Proposal Bot proposed openstack/oslo.messaging: Updated from global requirements  https://review.openstack.org/24418816:19
openstackgerritOpenStack Proposal Bot proposed openstack/oslo.privsep: Updated from global requirements  https://review.openstack.org/24340516:19
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openstackgerritRonald Bradford proposed openstack/oslo.i18n: Improved integration module documentation  https://review.openstack.org/24332116:22
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openstackgerritMarian Horban proposed openstack/oslo.service: Logger name argument was added into wsgi.Server constructor  https://review.openstack.org/24114317:29
HenryGhaypo: ping. Your advice would be appreciated with https://review.openstack.org/24408917:29
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openstackgerritMichael Krotscheck proposed openstack/oslo.middleware: Enable latent CORS configuration via pastedeploy  https://review.openstack.org/24098418:34
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openstackgerritMerged openstack/oslo.utils: Fix get_class_name() on Python 3  https://review.openstack.org/24159118:36
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openstackgerritMarian Horban proposed openstack/oslo.service: Code refactoring of ThreadGroup::stop_timers()  https://review.openstack.org/24428319:31
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harlowja_sputnik13 dims http://lists.openstack.org/pipermail/openstack-dev/2015-November/079253.html if u get a chance ;)20:03
harlowja_signing up jimbo :-P20:03
sputnik13-1 on harlowja_ 's email20:04
harlowja_:-/20:04
sputnik13helped provided -> helped provide20:04
harlowja_damn it20:04
sputnik13or just provided20:04
harlowja_i sux20:04
sputnik13:-D20:04
harlowja_that was my custom change to https://github.com/openstack/oslo-incubator/blob/master/tools/new_core.py20:04
harlowja_english blows20:04
harlowja_lol20:04
sputnik13well my job as your spell checker is not in any danger I see20:05
sputnik13;)20:05
harlowja_:)20:05
harlowja_never20:05
dimsharlowja_ +120:05
harlowja_thxs :)20:05
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sputnik13me 220:06
sputnik13+120:06
harlowja_cools20:07
harlowja_dims did u ever get to try to run https://review.openstack.org/#/c/240969/ ?20:07
harlowja_i was going to base new recruits on that output20:07
harlowja_sputnik13 https://gist.github.com/harlowja/099cf904365d7fed31e7 if u get some time to look over that20:08
harlowja_that may be the new recruit email, ha20:08
harlowja_mission impossible styled20:08
harlowja_lol20:08
dimsharlowja_ sounds good! i did not get a chance to run it20:08
dims:)20:08
harlowja_kk20:08
harlowja_let me move https://gist.github.com/harlowja/099cf904365d7fed31e7 to a review20:08
harlowja_for easier commenting20:09
sputnik13take that line out https://gist.github.com/harlowja/099cf904365d7fed31e7#file-gistfile1-txt-L3020:09
sputnik13you have been chosen, you will be assimilated20:10
sputnik13:-D20:10
openstackgerritJoshua Harlow proposed openstack/oslo-incubator: Add a new core recruit tool/template/script  https://review.openstack.org/24429320:10
harlowja_lol20:10
harlowja_sputnik13 lol20:11
harlowja_sputnik13 feel free  to yell at my crappy english on 24429320:11
openstackgerritMin Pae proposed openstack/taskflow: Adding notification points for job completion  https://review.openstack.org/24170820:11
sputnik13https://review.openstack.org/#/c/241708/ revised20:12
sputnik13haven't updated tests yet, just want to get feedback first20:12
sputnik13oops wrong channel20:12
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openstackgerritMerged openstack/oslo.cache: Updated from global requirements  https://review.openstack.org/24423320:33
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mhickey_Hey. Using oslo config generator to generate config items. I am using oslo.concurrency module but lock_path item is unset by default. Is there a way to override it to set it and to a  different value?20:49
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openstackgerritTom Cocozzello proposed openstack/oslo.middleware: Define entry points for filter factories for Paste Deployment  https://review.openstack.org/23015620:51
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bknudsonmhickey_: here's where oslo.concurrency sets the options21:07
bknudsonhttp://git.openstack.org/cgit/openstack/oslo.concurrency/tree/oslo_concurrency/lockutils.py#n3921:07
bknudsonmhickey_: default=os.environ.get("OSLO_LOCK_PATH")21:07
mhickey_bknusdon: saw that in the code earlier, thanks21:07
mhickey_bknusdon: so by default it depends on the env variable21:08
mhickey_bknusdon: is here a way to override it when you include concurrency?21:09
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mhickey_bknudson: or is it that a system has to have $OSLO_LOCK_PATH set?21:11
bknudsonmhickey_: I don't see a way to do that. The feature could be added if you need it.21:11
bknudsonalso, your application can set environment variables.21:12
mhickey_bknusdon: sure; just was wonedering if it could be done21:13
mhickey_.. on the fly as loaded the item21:13
mhickey_bknudson: thanks21:14
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openstackgerritMichael Bayer proposed openstack/oslo.db: Detect not-started _TransactionFactory in legacy  https://review.openstack.org/24432321:34
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zzzeekdims: ^^^21:46
dimszzzeek +2!21:47
zzzeekdims: it wont fix the actual problem there but hopefully will show what it is more clearly21:47
dimszzzeek right21:47
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rjaiswalharlowja_: Using tooz 0.13.3 with https://review.openstack.org/#/c/242619/ doesnt quite fix the issue with tooz22:51
harlowja_ok22:51
rjaiswalat least thats what i am saying currently22:51
harlowja_okie dokie, guess the question becomes what will fix the issue :-P22:51
rjaiswalseeing22:51
harlowja_k22:51
rjaiswaldoes that patch look ok to you?22:52
rjaiswal https://review.openstack.org/#/c/242619/22:52
harlowja_yes22:52
harlowja_but u have to make sure its using the eventlet handler22:52
harlowja_proabably good idea to verify22:52
rjaiswalyes22:52
harlowja_i think u can print(coordinator._coord.handler and make sure)22:52
harlowja_forget if thats the attribture22:53
rjaiswal(tooz.drivers.zookeeper): 2015-11-11 22:43:32,479 DEBUG zookeeper _make_client tooz_args: {'connection_retry': None, 'handler': <kazoo.handlers.eventlet.SequentialEventletHandler object at 0x7fc6588d37d0>, 'hosts': 'padawan-ccp-c1-m1-mgmt:2181', 'timeout': 10.0, 'command_retry': None, 'randomize_hosts': True}22:54
rjaiswalthats my debug op for args to kazoo22:55
openstackgerritJoshua Harlow proposed openstack/debtcollector: Add 'moved_read_only_property' descriptor  https://review.openstack.org/24434922:55
harlowja_ok that looks good22:55
harlowja_so its using the eventlet kazoo handler code, which should work better with eventlet22:56
rjaiswalok, the issue goes away when i restart the service22:56
harlowja_the issue though is that if you have code that never yields to eventlet, the kazoo client will not have heartbeat to zookeeper and then it will start shutting down the client...22:56
harlowja_thats odd22:56
rjaiswali mean things start working22:56
harlowja_sooo i guess see if u can figure out when things start goign badly and we'll have to isolate from there22:57
harlowja_*isolate the issue from there22:57
rjaiswalthe first time i deploy the system22:58
rjaiswali run into this issue22:58
harlowja_hmmm22:58
harlowja_odd22:58
harlowja_and never again it happened?22:58
rjaiswalwhen i restart it back, it works22:59
harlowja_hmmm, weirds, got me why that happens22:59
harlowja_u might get more information if u enable kazoo logging at DEBUG level23:00
rjaiswalyep i have it at DEBUG23:01
harlowja_k23:01
harlowja_my concern is the eventlet green thread that does heartbeating into zookeeper is getting starved, that usually causes sessions to start disconnecting...23:02
rjaiswali dont see any periodic heartbeats messages in the logs23:02
rjaiswalits set for 1 sec23:02
harlowja_ya, so that concerns me23:03
harlowja_oh, can u try setting kazoo logging to the number 5 (trace level it uses)23:03
harlowja_u should see stuff like https://gist.github.com/harlowja/edb99afc0e603dded90823:04
harlowja_Received Ping ...23:04
harlowja_if u aren't seeing those, eventlet is starving threads :-/23:04
rjaiswalok23:05
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rjaiswalfor sure there no kazoo pings23:16
harlowja_:-/23:16
harlowja_so ya, thats not cool23:16
harlowja_without those pings, zookeeper will start thinking the client is dead, and client will be unable to do things..23:17
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harlowja_so other idea is if we can get kazoo to use a real thread vs an eventlet one (while the rest of your code uses eventlet)23:18
harlowja_cooperative threads are fun...23:18
harlowja_ha23:18
rjaiswali guess thats what it was using before this patch?23:18
harlowja_not really23:19
rjaiswaloh, a monkey-patched thread23:19
harlowja_before the patch it was using the threading module, but eventlet had monkey patched those threads also23:19
rjaiswalyep23:19
harlowja_so those weren't real threads either23:19
harlowja_the patch just makes it more 'eventlet aware'23:19
harlowja_but not aware enough to still be happy...23:19
harlowja_problem is eventlet never is yielding back to the heartbeating thread23:20
harlowja_*for whatever reason*23:20
rjaiswalso then handler=threading23:20
rjaiswalbut make sure monkey_patching is not on23:22
rjaiswal?23:22
harlowja_u can try23:22
harlowja_idk how that will affect the rest of your code23:22
harlowja_but see what happens, the world hopefully won't blow up if it fails, ha23:22
rjaiswalok, will try one more time before turning monkey patching off23:23
harlowja_k23:25
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openstackgerritJoshua Harlow proposed openstack/debtcollector: Add 'moved_read_only_property' descriptor  https://review.openstack.org/24434923:29
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openstackgerritRichard Jones proposed openstack/oslo-specs: PBR should allow for 4 component versions  https://review.openstack.org/20562323:36
openstackgerritRichard Jones proposed openstack/oslo-specs: PBR should allow for 4 component versions  https://review.openstack.org/20562323:40
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