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]
-- Mailing list: https://launchpad.net/~fuel-dev Post to : [email protected] Unsubscribe : https://launchpad.net/~fuel-dev More help : https://help.launchpad.net/ListHelp
