Wednesday, 2014-07-16

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openstackgerritOpenStack Proposal Bot proposed a change to openstack/oslo-incubator: Updated from global requirements  https://review.openstack.org/10659100:11
openstackgerritOpenStack Proposal Bot proposed a change to openstack/oslo.db: Updated from global requirements  https://review.openstack.org/10517300:11
openstackgerritOpenStack Proposal Bot proposed a change to openstack/oslo.messaging: Updated from global requirements  https://review.openstack.org/10659200:11
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openstackgerritAngus Lees proposed a change to openstack/oslo.db: Specify raise_on_warnings=False for mysqlconnector  https://review.openstack.org/10722101:30
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openstackgerritJoshua Harlow proposed a change to openstack/taskflow: Add existing types to generated documentation  https://review.openstack.org/10693001:41
openstackgerritMorgan Fainberg proposed a change to openstack/oslo-specs: Convert oslo.cache to use dogpile.cache  https://review.openstack.org/9715501:43
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openstackgerritA change was merged to openstack/oslo-incubator: Allow deprecated decorator to specify no plan for removal  https://review.openstack.org/10659901:50
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openstackgerritDavanum Srinivas (dims) proposed a change to openstack/oslo.utils: export only try_import in __all__  https://review.openstack.org/10677803:01
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openstackgerritJoshua Harlow proposed a change to openstack/taskflow: Translate engine runner into a well defined state-machine  https://review.openstack.org/10653505:06
openstackgerritJoshua Harlow proposed a change to openstack/taskflow: Add existing types to generated documentation  https://review.openstack.org/10693005:10
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openstackgerritOpenStack Proposal Bot proposed a change to openstack/oslo.i18n: Imported Translations from Transifex  https://review.openstack.org/10693806:03
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openstackgerritArmando Migliaccio proposed a change to openstack/oslo.messaging: Track the attempted method when raising UnsupportedVersion  https://review.openstack.org/10724006:14
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openstackgerritRoman Podoliaka proposed a change to openstack/oslo.db: WIP: PoC connection defaults checker  https://review.openstack.org/10680007:22
openstackgerritIlya Pekelny proposed a change to openstack/oslo.db: Opportunistic migration tests  https://review.openstack.org/9342407:28
openstackgerritIlya Pekelny proposed a change to openstack/oslo.db: Implementation Alembic as migration engine  https://review.openstack.org/9996507:28
openstackgerritIlya Pekelny proposed a change to openstack/oslo.db: Utility function for robust schema drop  https://review.openstack.org/10641907:28
openstackgerritIlya Pekelny proposed a change to openstack/oslo.db: Opportunistic migration tests  https://review.openstack.org/9342407:31
openstackgerritIlya Pekelny proposed a change to openstack/oslo.db: Implementation Alembic as migration engine  https://review.openstack.org/9996507:31
openstackgerritIlya Pekelny proposed a change to openstack/oslo.db: Utility function for robust schema drop  https://review.openstack.org/10641907:31
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openstackgerritA change was merged to openstack/oslo.vmware: Fix docstrings of constructors  https://review.openstack.org/10638609:51
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openstackgerritgaryk proposed a change to openstack/oslo.vmware: Add in a retry decorator  https://review.openstack.org/10729510:12
openstackgerritgaryk proposed a change to openstack/oslo.vmware: Add in a retry decorator  https://review.openstack.org/10729510:14
openstackgerritA change was merged to openstack/oslo-incubator: Fix deletion of cached file for policy enforcer  https://review.openstack.org/10643310:22
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openstackgerritAbhijeet Malawade proposed a change to openstack/oslo.messaging: Removing cyclic reference of listener object  https://review.openstack.org/10318610:33
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openstackgerritChristian Berendt proposed a change to openstack/oslotest: cleaning up index.rst file  https://review.openstack.org/9610010:40
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openstackgerritVipin Balachandran proposed a change to openstack/oslo.vmware: Fix seek and tell in BlockingQueue  https://review.openstack.org/10731110:45
openstackgerritgaryk proposed a change to openstack/oslo.vmware: Add in a retry decorator  https://review.openstack.org/10729510:47
openstackgerritA change was merged to openstack/oslo.rootwrap: Continue on failure of leaf filters of chaining filters  https://review.openstack.org/10607110:55
openstackgerritOleksii Chuprykov proposed a change to openstack/oslo.db: Modification to test_utils.py for sqla_07 test passing  https://review.openstack.org/10731710:57
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openstackgerritRoman Vasilets proposed a change to openstack/oslo.db: I have extract debug logging output to a separate function  https://review.openstack.org/10699211:20
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openstackgerritChristian Berendt proposed a change to openstack/pycadf: Bump hacking to version 0.9.2  https://review.openstack.org/10734612:20
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abhishek_hi all, can any one review this oslo-spec, https://review.openstack.org/#/c/106285/12:27
abhishek_thank you12:27
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openstackgerritChristian Berendt proposed a change to openstack/taskflow: Bump hacking to version 0.9.2  https://review.openstack.org/10735312:34
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openstackgerritAlex Frolov proposed a change to openstack/oslo-incubator: test lazy_pluggable  https://review.openstack.org/10737313:17
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dhellmannbnemec: I think there are enough +1 votes on the serialization repo to start the import process when you're ready.14:05
dhellmannharlowja_away: Have you looked at the retry stuff in oslo.vmware? I'm curious to know if they should have used taskflow for that, esp. in light of the issues adding a new dependency.14:07
openstackgerritA change was merged to openstack/oslo.vmware: Add support for using extensions  https://review.openstack.org/10091114:13
openstackgerritChristian Berendt proposed a change to openstack/oslo.vmware: Bump hacking to version 0.9.2  https://review.openstack.org/10739914:18
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openstackgerritA change was merged to openstack/oslo-incubator: Make logging_context_format_string optional in log.set_defaults  https://review.openstack.org/10708214:22
bnemecdhellmann: Cool, I'll move forward with it then.14:24
openstackgerritChristian Berendt proposed a change to openstack/oslo.messaging: Bump hacking to version 0.9.2  https://review.openstack.org/10740114:26
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openstackgerritChristian Berendt proposed a change to openstack/oslo.db: Bump hacking to version 0.9.2  https://review.openstack.org/10740214:28
openstackgerritChristian Berendt proposed a change to openstack/oslo.config: Bump hacking to version 0.9.2  https://review.openstack.org/10740314:29
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openstackgerritMorgan Fainberg proposed a change to openstack/oslo-specs: Convert oslo.cache to use dogpile.cache  https://review.openstack.org/9715514:47
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openstackgerritBryan Jones proposed a change to openstack/oslo.db: Added check for DB2 deadlock error  https://review.openstack.org/10645815:31
openstackgerritOleksii Chuprykov proposed a change to openstack/oslo.db: Make test_project_filter_allow_none pass SA 0.7.x  https://review.openstack.org/10731715:34
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openstackgerritAlex Frolov proposed a change to openstack/oslo-incubator: test lazy_pluggable  https://review.openstack.org/10737315:47
openstackgerritAlex Frolov proposed a change to openstack/oslo-incubator: Transfer class LazyPluggable from nova to oslo-incubator  https://review.openstack.org/10742415:47
openstackgerritAlex Frolov proposed a change to openstack/oslo-incubator: Transfer class LazyPluggable from nova to oslo-incubator  https://review.openstack.org/10742515:47
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jonesbrmriedem: ping15:55
mriedemjonesbr: so https://review.openstack.org/#/c/106458/,15:55
mriedemnot all projects are using oslo.db yet15:55
mriedembut there are projects that will need that fix15:55
mriedembut i'm not sure if we can cherry pick things from oslo.db to oslo-incubator, but we'd need them in oslo-incubator to sync to projects that aren't using oslo.db15:55
mriedembnemec: dhellmann: what's the policy on something like that right now when new projects aren't using the new libs yet? ^15:56
openstackgerritRomain Soufflet proposed a change to openstack/oslo-incubator: Fix tests.unit.reports.* with python3.4  https://review.openstack.org/10574915:56
mriedemjonesbr: plus we'd want it on stable/icehouse15:56
mriedemso i'd think it would have to be cherry picked from oslo.db to oslo-incubator on master so it can be synced to projects on master not using oslo.db yet, and then cherry pick from those projects back to their stable/icehouse branches, something like that...15:57
mriedemor cherry pick from master o-i to stable/icehouse o-i and then sync from stable/icehouse o-i to e.g. nova stable/icehouse15:57
mriedemit's confusing15:57
bnemecmriedem: The flow goes: oslo.db -> oslo-incubator master -> oslo-incubator stable15:58
mriedemand sync from o-i on whatever branch you need15:58
bnemecRight15:58
mriedemok, jonesbr make sense?15:59
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mriedemjonesbr: so try cherry picking your oslo.db change as-is now to oslo-incubator on master15:59
mriedemand see if it merges15:59
jonesbrmriedem: makes sense15:59
mriedemjonesbr: if the test refactor causes merge conflicts, i'd probably go back to ps3 and leave the cleanup of the tests in oslo.db to a separate change15:59
mriedemjonesbr: you can use gerrit UI to get the cherry pick string16:00
mriedeme.g. git fetch ssh://mriedem@review.openstack.org:29418/openstack/oslo.db refs/changes/58/106458/4 && git cherry-pick -x FETCH_HEAD16:00
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openstackgerritAlex Frolov proposed a change to openstack/oslo-incubator: Transfer class LazyPluggable from nova to oslo-incubator  https://review.openstack.org/10742916:04
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jonesbrmriedem: merge conflicts, so I'll revert back to ps316:17
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openstackgerritA change was merged to openstack/oslo-incubator: Add default log level for websocket  https://review.openstack.org/10190816:21
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mriedemjonesbr: well are they bad? and i'm assuming it's just in the tests?16:24
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jonesbrmriedem: merge conflicts in both files16:30
mriedemjonesbr: hmm, well if you're going to have merge conflicts anyway, might just do ps416:31
mriedemand be done with it16:31
mriedemi'd hope that people aren't doing things in oslo-incubator that aren't also going into oslo.db16:32
mriedembut it's probably the other way around16:32
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jonesbrmriedem: it doesn't look like the postgresql deadlock detection patch was ever backported to incubator so I'm getting merge conflicts from that16:43
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harlowjadhellmann i haven't looked at much of oslo.vmware, i did see the retrying library pop up there17:20
harlowjaas well as in tooz, jd__ i think is using it now also17:20
harlowjadhellmann i haven't actually looked at oslo.vmware really at all, let me give it a quick look17:21
harlowjaon first notice i see, https://github.com/openstack/oslo.vmware/blob/master/oslo/vmware/api.py#L45 which seems to be exactly what the retry library itself does17:22
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amrithhello oslo team ... anybody home?17:26
amrithdhellmann, ping ...17:27
harlowjaamrith usually better to just ask your question and see if anyone responds, whats up, not sure if i can help but people are typically around17:28
amrithharlowja, thx. I work on trove and saw a bug https://review.openstack.org/#/c/106008/17:29
amrithin this fix for bug https://bugs.launchpad.net/trove/+bug/134012417:29
amriththe request is that when an error occurs in execute() that more information is logged; like what really happened.17:30
amrithexecute() has this information and returns it as part of the exception17:30
amrithIn trove there is a wrapper (execute_with_timeout) that is being fixed to provide this additional logging.17:30
harlowjak17:30
amrithMy request was to see whether oslo would like a patch to fix execute() to provide the same thing17:30
amrithit would help and make a common message get logged from all projects when an execute failed17:31
amrithI entered a bug in oslo for this based on feedback from a trove core team member17:31
harlowjaright, it would seem to be useful to do in oslo17:31
amriththat bug is https://bugs.launchpad.net/oslo/+bug/134285717:31
amrithI'm happy to submit the patch to oslo but didn't want to go and do it if it was something that oslo felt was not appropriate; and that it is something best left up to the caller.17:32
amrithyou'll see from the proposal I made in the fix to the trove bug that I wanted it to be a parameter sent by caller to execute()17:32
amriththat would trigger this additional logging17:32
harlowjaso i'll let others say if they agree with it, but it seems reasonable to me17:32
dhellmannamrith: there's a discussion about logging standards that might apply to your question, especially if the inputs or outputs of the command might contain private data: https://review.openstack.org/#/c/91446/17:33
* amrith goes to look17:33
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amrithdhellmann, in trove there is a similar effort already ongoing. https://bugs.launchpad.net/trove/+bug/132420617:35
amrithI've been fixing some bugs in this area17:35
dhellmannamrith: ok, good. that nova spec is meant to be cross-project, but was put there because we didn't have a place for cross-project specs17:35
amrithand therefore my interest in this fix is in a similar direction17:35
amrithI'll bring it up at the trove meeting today at 217:36
amrithwe've already got a bunch of code going in; rationalizing error logging and things to make it such that you don't have to do exactly what Jay Pipes said; that they have to run at level DEBUG to get anywhere.17:36
amrithand as part of that change in trove, one of the things we're doing is to make logging for specific exceptions and situations to be standardized17:37
amrithso that automation can run on these log files17:37
amrithit was in that latter context that I was hoping that when execute() encountered an error, all clients, across projects could spit out an identically formatted error with the same set of information.17:37
amrithso I'll submit some code for https://bugs.launchpad.net/oslo/+bug/1342857 for your review. Thanks much!17:39
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amrithAnd I'll bring https://review.openstack.org/#/c/91446/ up at the trove meeting today. thanks dhellmann and harlowja!17:39
harlowjanp17:39
mriedemjonesbr: so i would probably cherry pick the postgresql fix back and then cherry pick yours on top of that17:40
mriedemjonesbr: since we should have both in nova17:40
mriedemand nova isn't using oslo.db yet17:40
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dhellmannamrith: I think following the new guidelines, it would really be up to the application and not the oslo library to decide if an error from an external application needed to be logged. So we should make it possible for the application to do that, but I don't think we want oslo to log all errors automatically.17:41
amrithdhellmann, oslo would not log automatically17:41
dhellmannamrith: ok, I thought that's what you were proposing above but I must have misunderstood17:41
amrithinstead if a call to execute() came in with a parameter of log_errors or some such thing, then it would generate an error message indicating the command etc17:42
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dhellmannah17:42
amrithtake a look at the change in https://review.openstack.org/#/c/106008/3/trove/common/utils.py,cm17:42
amrithyou'll notice that if execute_with_timeout() receives the parameter log_output_on_error then it will spit out the message17:43
amrithand so it is up to the client application (trove, for example) which would in some cases request this.17:43
amrithdhellmann, does that make sense?17:44
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dhellmannamrith: that does, but it raises the security concern -- the library has no idea if any of those arguments are passwords, or if the output might include user data or something else that shouldn't be logged17:48
dhellmannamrith: that's why it's better for the application to log the error, it knows what the args and outputs are likely to contain, and it can sanitize them17:48
amrithdhellmann, I hadn't thought of that; I will raise that in the review.17:49
amrithI primarily am interested in logging error (code/description)17:49
amrithand not the full command etc.,17:49
dhellmannamrith: the trick is to figure out a way to do that without exposing data, but it should be possible17:50
amriththanks for the pointer, I will keep that in mind as I create a solution. I hadn't considered it. thanks17:50
dhellmannamrith: sure thing :-)17:50
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jonesbrmriedem: no merge conflicts when done in that order18:03
mriedemjonesbr: ok, that's what i'd do then18:06
mriedemjonesbr: is there already a backport to oslo-incubator for the postgresql change?18:07
jonesbrmriedem: the postgresql change is not in oslo-incubator, which is why I had merge conflicts when I tried to cherry-pick my change because it depends on the postgresql change18:08
mriedemjonesbr: i know, just wondering if wingwj proposed a backport of the postgresql fix18:09
mriedemjonesbr: not seeing one18:10
mriedemso should be ok to backport both18:10
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jonesbrmriedem: me either18:10
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jonesbrmriedem: for that do I just submit the cherry-picks in incubator for review?18:12
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mriedemjonesbr: yes, you'd have 2 cherry picks in a series18:13
mriedemseries == topic branch18:13
dhellmannjonesbr: yes, and please make sure the commit message describes them as a cherry pick of the work in oslo.db (the review should go more quickly that way)18:13
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jonesbrmriedem, dhellmann: will the change-ids from the cherry-picked commits cause issues? should they be removed?18:27
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openstackgerritJoshua Harlow proposed a change to openstack/taskflow: Ensure state machine can be frozen  https://review.openstack.org/10747919:30
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openstackgerritJoshua Harlow proposed a change to openstack/taskflow: Better handle the tree freeze method  https://review.openstack.org/10748119:38
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openstackgerritA change was merged to openstack/oslo.db: Use explicit loops instead of list comprehensions  https://review.openstack.org/10676019:46
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HenryGrpodolyaka: ping19:55
HenryGHow do I make a mysql backend available for oslo.db sqlalchemy unit tests?19:57
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harlowjaHenryG http://paste.openstack.org/show/86801/ might work for u20:05
harlowjai use that for taskflow, which afaik has similar oppurtunoitic tests as oslo.db20:05
harlowjanothing special, ^ should not be used for any machine u don't control, lol20:06
harlowjabut i shove that into a nova boot --userdata and then i get a new test host20:07
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dimsdhellmann, ping (oslo.i18n / nova review)20:20
dhellmanndims: here20:20
HenryGharlowja: I picked and chose the bits that I needed from that and it works! Thanks!!20:20
dhellmannjonesbr: the change ids should be fine as long as the changes are on different branches -- it actually helps show the relationships in gerrit, so using the same idea is a good thing20:20
jonesbrdhellmann: thanks for the help20:21
dhellmanndims: I have a new patch, but was distracted while the tests were running20:22
dhellmanndims: pushing now20:22
dimsdhellmann, thanks! :)20:22
openstackgerritBryan Jones proposed a change to openstack/oslo-incubator: Add _wrap_db_error support for postgresql  https://review.openstack.org/10748820:22
openstackgerritBryan Jones proposed a change to openstack/oslo-incubator: Backport deadlock detection from oslo.db  https://review.openstack.org/10748920:22
dhellmanndims: I had to rebase it, so you may want to review it a bit more carefully than just the __init__.py we were discussing20:22
dimsyep, will do20:22
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dhellmannthe conflicts were all in the import blocks in modules that had been touched elsewhere, so flake8 ought to catch them20:23
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dhellmanndims: and in fact I see pep8 errors here, let me fix those and try again20:23
dimsk20:23
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dhellmanndims: patch set 14 is up20:29
dimsack. thanks20:29
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openstackgerritArnaud Legendre proposed a change to openstack/oslo.vmware: Store PBM wsdl in the oslo.vmware git repository  https://review.openstack.org/10240920:38
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harlowjaHenryG np20:45
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openstackgerritJoshua Harlow proposed a change to openstack/taskflow: Add a sample script that can be used to build a test environment  https://review.openstack.org/10750621:32
harlowjaHenryG if u get a sec ^ (just posting that for others)21:33
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harlowja*at least as an example21:33
openstackgerritArnaud Legendre proposed a change to openstack/oslo.vmware: Store PBM wsdl in the oslo.vmware git repository  https://review.openstack.org/10240921:35
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Alexei_987dhellmann: hi are you available?22:13
Alexei_987harlowja: ping22:14
harlowjaAlexei_987 yo22:14
Alexei_987small question about messaging.rpc stuff https://wiki.openstack.org/wiki/Oslo/Messaging#Invoke_Method_on_all_of_Multiple_Servers22:14
Alexei_987here wiki says that Rpc can invoke method on *all* servers22:15
harlowjak, not sure i can answer that one :-P22:15
Alexei_987but it doesn't specify method type (call|cast)22:15
Alexei_987so the question is do we support multicall?22:15
harlowjaunsure22:15
Alexei_987cause it seems unclear of how do fetch results of those22:15
Alexei_987harlowja: I'm implementing a zeromq driver so it's a fundamental question that affects the overall design22:16
harlowjaya, no doubt22:16
Alexei_987harlowja: IMHO we do not do it now and should not do in the future22:16
harlowjamulticall == fanout in your view?22:17
Alexei_987no22:17
Alexei_987fanout in terms of send22:17
harlowjaoh, i got it22:17
Alexei_987but also get multiple results22:17
harlowjamulticall in terms of scatter-gather like functionality22:17
Alexei_987yeah22:17
Alexei_987fanout == multicast22:17
harlowjai don't believe those calls gather22:17
harlowja*those casts22:18
Alexei_987in theory current rabbit driver can do something like this22:18
Alexei_987would only return first result so22:18
harlowjai am unsure if 'at startup, nova-scheduler invokes the 'publish_service_capabilities' method in fanout mode on the 'compute' topic in the 'nova' exchange and all nova-compute services handle it ' is a scatter-gather though22:18
harlowjai think its a scatter, but no gather, in that compute nodes are just expected to reply sometime22:18
Alexei_987yeah + 122:19
harlowjabut i'm not 100% sure on that22:19
Alexei_987ok I won't implement multicall for now and we'll see later22:19
harlowjak22:19
Alexei_987harlowja: thanks22:19
harlowjasure22:20
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