QA team - please pay attention to this. As we lose simple mode, we need to have our system tests to reflect this.
Thanks, On Wed, Apr 2, 2014 at 2:24 AM, Andrew Woodward <[email protected]> wrote: > https://review.openstack.org/#/c/79813/ is ready for review. > > > On Wed, Mar 26, 2014 at 3:04 PM, Andrew Woodward <[email protected]> wrote: > >> You can track >> https://review.openstack.org/#/q/topic:bp/single-controller-ha,n,z and >> the BP its self >> >> In https://review.openstack.org/#/c/79813/ I've resolved all but two of >> the test case failures in fuelclient which appear to be impacting other >> reviews also. So maybe they are broken or just flaky I'm digging into them >> currently. >> >> >> >> On Wed, Mar 26, 2014 at 5:55 AM, Vladimir Kuklin <[email protected]>wrote: >> >>> Andrew >>> >>> Could you give as a heads up on the status of this blueprint? >>> >>> >>> On Tue, Mar 11, 2014 at 9:54 PM, Vladimir Kuklin >>> <[email protected]>wrote: >>> >>>> Thank you, Andrew. >>>> >>>> BTW, we do already have tests running for each change request in >>>> single-HA-Ubuntu-GRE installation: look into >>>> fuelweb_test/tests/test_pullrequest.py. Here you will find that we are >>>> running tests by using separate provisioning/deployment feature of Nailgun >>>> due to Nailgun restrictions on number of controllers in HA. >>>> >>>> >>>> On Tue, Mar 11, 2014 at 9:44 PM, Andrew Woodward <[email protected]>wrote: >>>> >>>>> I created a simple blueprint >>>>> https://blueprints.launchpad.net/fuel/+spec/single-controller-ha >>>>> >>>>> First we will enable single controller in ha and migrate the tests >>>>> over. After we are happy with this, we can follow up and remove >>>>> multi-node. >>>>> >>>>> Reviews will be up soon. >>>>> >>>>> >>>>> On Tue, Mar 11, 2014 at 10:27 AM, Vladimir Kuklin < >>>>> [email protected]> wrote: >>>>> >>>>>> Guys >>>>>> >>>>>> I do support disabling of simple mode but we need to review the code >>>>>> carefully. Andrew, would you please create corresponding change request >>>>>> to >>>>>> FUEL gerrit? >>>>>> >>>>>> >>>>>> >>>>>> On Tue, Mar 11, 2014 at 8:30 PM, Mike Scherbakov < >>>>>> [email protected]> wrote: >>>>>> >>>>>>> Looks like majority +1ed. Let's go for it. >>>>>>> >>>>>>> >>>>>>> On Tue, Mar 11, 2014 at 1:09 PM, Serg Melikyan < >>>>>>> [email protected]> wrote: >>>>>>> >>>>>>>> +1 for supporting only HA mode in Fuel. >>>>>>>> >>>>>>>> During Murano & Fuel integration we experienced whole bunch of bugs >>>>>>>> introduced with deployment differences between this two modes, so I am >>>>>>>> completely agree with Dmitry. >>>>>>>> >>>>>>>> >>>>>>>> On Tue, Mar 11, 2014 at 12:02 AM, David Easter < >>>>>>>> [email protected]> wrote: >>>>>>>> >>>>>>>>> +1 >>>>>>>>> >>>>>>>>> As long as you can do a 1-controller installation, it would be >>>>>>>>> good for both customers and dev to have the required step to pick HA >>>>>>>>> vs. >>>>>>>>> non-HA removed. It also removes the chance that someone picks the >>>>>>>>> wrong >>>>>>>>> one in the wizard (since we'd remove it from the wizard completely). >>>>>>>>> >>>>>>>>> Thanks, >>>>>>>>> >>>>>>>>> - David J. Easter >>>>>>>>> Product Line Manager >>>>>>>>> >>>>>>>>> >>>>>>>>> From: Mike Scherbakov <[email protected]> >>>>>>>>> Date: Monday, March 10, 2014 at 6:31 AM >>>>>>>>> To: Vladimir Kuklin <[email protected]> >>>>>>>>> Cc: "[email protected]" <[email protected]> >>>>>>>>> Subject: Re: [Fuel-dev] [fuel-dev] single node HA controllers >>>>>>>>> proposal >>>>>>>>> >>>>>>>>> > you will still need to do some node cross-orchestration >>>>>>>>> It contradicts to Andrew's experiments (start of the thread), >>>>>>>>> where he was able to add 2nd & 3rd controller. Anyway, we still >>>>>>>>> don't miss anything if we drop simple mode, right? >>>>>>>>> a) You can do 1-node controller install >>>>>>>>> b) You can do 3-node controller install >>>>>>>>> >>>>>>>>> I vote for removing simple mode, as the use case (scale down to 1 >>>>>>>>> controller) can be covered with 1 controller choosing HA mode. >>>>>>>>> >>>>>>>>> Thanks, >>>>>>>>> >>>>>>>>> >>>>>>>>> On Sun, Mar 9, 2014 at 9:51 PM, Vladimir Kuklin < >>>>>>>>> [email protected]> wrote: >>>>>>>>> >>>>>>>>>> Guys, handling simple mode in the same way as handling HA mode is >>>>>>>>>> possible, but after you add controllers, you will still need to do >>>>>>>>>> some >>>>>>>>>> node cross-orchestration, e.g. updating haproxy nodes or mysql >>>>>>>>>> configs. >>>>>>>>>> Thus it still faces the same problem - Granular deployment and Much >>>>>>>>>> More >>>>>>>>>> Advanced Orchestrator is needed. >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> On Sat, Mar 8, 2014 at 2:34 AM, Dmitry Borodaenko < >>>>>>>>>> [email protected]> wrote: >>>>>>>>>> >>>>>>>>>>> On Fri, Mar 7, 2014 at 4:03 AM, Sergey Vasilenko >>>>>>>>>>> <[email protected]> wrote: >>>>>>>>>>> > I do not sure, that it's a good idea. >>>>>>>>>>> > Usualy, most of anything new things, we developing and testing >>>>>>>>>>> under simple >>>>>>>>>>> > configuration. And after it scale to HA configurations. >>>>>>>>>>> >>>>>>>>>>> I think it is actually a very BAD idea to develop using a >>>>>>>>>>> configuration that is significantly different from production. >>>>>>>>>>> >>>>>>>>>>> Every time you increase the time interval between introducing a >>>>>>>>>>> bug >>>>>>>>>>> (i.e. developing) and finding a bug (i.e. testing), the cost of >>>>>>>>>>> fixing >>>>>>>>>>> the bug increases exponentially. You no longer remember what >>>>>>>>>>> you've >>>>>>>>>>> changed, you piled other changes on top of incorrect code, you >>>>>>>>>>> impacted other engineers who encountered your bug and now have to >>>>>>>>>>> figure out that it wasn't their changes causing problems, and so >>>>>>>>>>> on. >>>>>>>>>>> >>>>>>>>>>> > Simple configuration gives us low time of deploy, >>>>>>>>>>> >>>>>>>>>>> Using HA configuration will make us finally pay some attention >>>>>>>>>>> to the >>>>>>>>>>> time it takes to deploy HA and fix it. It's not a fundamental >>>>>>>>>>> problem, >>>>>>>>>>> we're actually doing something wrong here and we should figure >>>>>>>>>>> it out. >>>>>>>>>>> >>>>>>>>>>> > possibility of don't use >>>>>>>>>>> > buggy Galera, songle-node AMQP. Works with "simple" >>>>>>>>>>> > configuration we can don't distractions to HA ussues. >>>>>>>>>>> >>>>>>>>>>> These are not distractions, you will encounter all these issues >>>>>>>>>>> before >>>>>>>>>>> you can release. And it will be much easier to fix them >>>>>>>>>>> immediately >>>>>>>>>>> after they are introduced, not 1 week before code freeze. >>>>>>>>>>> >>>>>>>>>>> > One of most typical >>>>>>>>>>> > examples -- migration to the next openstack version. >>>>>>>>>>> >>>>>>>>>>> It is even more important for Icehouse. If we encounter Icehouse >>>>>>>>>>> bugs >>>>>>>>>>> that break HA before Icehouse is released (5 weeks from now), we >>>>>>>>>>> might >>>>>>>>>>> get them fixed upstream instead of having to carry our own patch >>>>>>>>>>> series after the release. >>>>>>>>>>> >>>>>>>>>>> -- >>>>>>>>>>> Dmitry Borodaenko >>>>>>>>>>> >>>>>>>>>>> -- >>>>>>>>>>> Mailing list: https://launchpad.net/~fuel-dev >>>>>>>>>>> Post to : [email protected] >>>>>>>>>>> Unsubscribe : https://launchpad.net/~fuel-dev >>>>>>>>>>> More help : https://help.launchpad.net/ListHelp >>>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> -- >>>>>>>>>> Yours Faithfully, >>>>>>>>>> Vladimir Kuklin, >>>>>>>>>> Senior Deployment Engineer, >>>>>>>>>> Mirantis, Inc. >>>>>>>>>> +7 (495) 640-49-04 >>>>>>>>>> +7 (926) 702-39-68 >>>>>>>>>> Skype kuklinvv >>>>>>>>>> 45bk3, Vorontsovskaya Str. >>>>>>>>>> Moscow, Russia, >>>>>>>>>> www.mirantis.com <http://www.mirantis.ru/> >>>>>>>>>> www.mirantis.ru >>>>>>>>>> [email protected] >>>>>>>>>> >>>>>>>>>> -- >>>>>>>>>> Mailing list: https://launchpad.net/~fuel-dev >>>>>>>>>> Post to : [email protected] >>>>>>>>>> Unsubscribe : https://launchpad.net/~fuel-dev >>>>>>>>>> More help : https://help.launchpad.net/ListHelp >>>>>>>>>> >>>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> -- >>>>>>>>> Mike Scherbakov >>>>>>>>> #mihgen >>>>>>>>> -- Mailing list: https://launchpad.net/~fuel-dev Post to : >>>>>>>>> [email protected] Unsubscribe : >>>>>>>>> https://launchpad.net/~fuel-dev More help : >>>>>>>>> https://help.launchpad.net/ListHelp >>>>>>>>> >>>>>>>>> -- >>>>>>>>> Mailing list: https://launchpad.net/~fuel-dev >>>>>>>>> Post to : [email protected] >>>>>>>>> Unsubscribe : https://launchpad.net/~fuel-dev >>>>>>>>> More help : https://help.launchpad.net/ListHelp >>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> -- >>>>>>>> Serg Melikyan, Senior Software Engineer at Mirantis, Inc. >>>>>>>> http://mirantis.com | [email protected] >>>>>>>> >>>>>>>> +7 (495) 640-4904, 0261 >>>>>>>> +7 (903) 156-0836 >>>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> Mike Scherbakov >>>>>>> #mihgen >>>>>>> >>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> Yours Faithfully, >>>>>> Vladimir Kuklin, >>>>>> Senior Deployment Engineer, >>>>>> Mirantis, Inc. >>>>>> +7 (495) 640-49-04 >>>>>> +7 (926) 702-39-68 >>>>>> Skype kuklinvv >>>>>> 45bk3, Vorontsovskaya Str. >>>>>> Moscow, Russia, >>>>>> www.mirantis.com <http://www.mirantis.ru/> >>>>>> www.mirantis.ru >>>>>> [email protected] >>>>>> >>>>>> -- >>>>>> Mailing list: https://launchpad.net/~fuel-dev >>>>>> Post to : [email protected] >>>>>> Unsubscribe : https://launchpad.net/~fuel-dev >>>>>> More help : https://help.launchpad.net/ListHelp >>>>>> >>>>>> >>>>> >>>>> >>>>> -- >>>>> If google has done it, Google did it right! >>>>> >>>> >>>> >>>> >>>> -- >>>> Yours Faithfully, >>>> Vladimir Kuklin, >>>> Senior Deployment Engineer, >>>> Mirantis, Inc. >>>> +7 (495) 640-49-04 >>>> +7 (926) 702-39-68 >>>> Skype kuklinvv >>>> 45bk3, Vorontsovskaya Str. >>>> Moscow, Russia, >>>> www.mirantis.com <http://www.mirantis.ru/> >>>> www.mirantis.ru >>>> [email protected] >>>> >>> >>> >>> >>> -- >>> Yours Faithfully, >>> Vladimir Kuklin, >>> Fuel Library Tech Lead, >>> >>> Mirantis, Inc. >>> +7 (495) 640-49-04 >>> +7 (926) 702-39-68 >>> Skype kuklinvv >>> 45bk3, Vorontsovskaya Str. >>> Moscow, Russia, >>> www.mirantis.com <http://www.mirantis.ru/> >>> www.mirantis.ru >>> [email protected] >>> >> >> >> >> -- >> Andrew >> Mirantis >> Ceph community >> > > > > -- > Andrew > Mirantis > Ceph community > -- Mike Scherbakov #mihgen
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