On Jun 9, 2011, at 3:40 AM, Caleb James DeLisle wrote:

> 
> 
> On 06/08/2011 06:05 PM, Sergiu Dumitriu wrote:
>> On 06/08/2011 07:40 PM, Vincent Massol wrote:
>>> Hi committers,
>>> 
>>> We're having a hard time stabilizing our build (especially the functional 
>>> test part, see my previous mail entitled "[VOTE] Important: Strategy to fix 
>>> failing tests and stability"). Now I believe that it's going to be hard to 
>>> enforce it and thus I'd like to propose a variation:
>>> 
>>> * The Build Manager has the *responsibility* to get the build fixed ASAP 
>>> whenever it's failing. His priority #1 during the week becomes monitoring 
>>> the Build
>>> * By "Build" we mean the CI Build on ci.xwiki.org and by "failing" we mean 
>>> anything that makes the build fail: tests, compilation, clirr, etc.
> 
>>> * Every week we have a different Build Manager chosen amongst the Committers
> I'm not sure about this. I think having the build manager be the same as the 
> release manager for the entire release cycle would do more to foster 
> responsibility since it is the developer who signs off on the build.
> On the other hand this is we would have to accept that the Release Manager is 
> unavailable to do really anything else throughout the release cycle.

I don't like this idea of having the same person because it's already hard 
enough to be a Release Manager and the point is exactly to lighten the load of 
the Release Manager. And being a Build Manager for 3 months in a row is way too 
hard IMO.

Thanks
-Vincent

>>> * In order to fix build issues the Build Manager has several possibilities:
>>> - find out who caused the build to break and ask that person to fix it. 
>>> That person cannot refuse that and must consider it his/her priority to fix 
>>> it (or rollback the change that caused the build to fail)
>>> - rollback the issue that caused the build to fail
>>> - fix it himself/herself
>>> - find someone knowledgable in the failing domain and get him/her to fix 
>>> the build.
>> 
>> In case of build agent problems, like broken metadata in the local 
>> repository, build managers must have access to the machine. We need to 
>> set up some secure way of providing that access. Having too many 
>> accepted keys out in the open is dangerous.
> 
> Having an account for each committer would go a long way toward security but 
> instead of worrying about that I would be much more concerned with the 
> iptables rules on the build engines.
> 
>> 
>> One option is to have only a few devs with access to the machines, and 
>> the build manager can ask one of them to fix the problem.
>> 
>> Another option is to let all the managers have access, but monitor the 
>> access to the machine, or only allow certain IPs for each key.
> 
> IP address based ACLs are broken by design. They rely on the integrity of a 
> massively complex routing infrastructure which was never designed to be used 
> as an authentication system.
> Besides that I have a dynamic IP addr.
> 
>> 
>>> * At the end of the Week the Build Manager hands over his duty to the next 
>>> Build Manager by contacting him/her.
>>> * We create a Build Manager Roster page on dev.xwiki.org to log past Build 
>>> Managers (and possibly future ones if some have expressed the wish to be 
>>> the Build Manager for a specific week).
>>> * All committers must perform this duty and take turns
>> 
>> Unless they have a valid reason to refuse for one week.
> 
> Then we need to make sure that there is no way for a committer to escape the 
> duty entirely by organizing their schedule so that they always have a valid 
> reason when the time comes.
> 
>> 
>>> Since I've started doing this this week, I propose to take this role for 
>>> the current week. I'm also proposing to log Caleb has having been the Build 
>>> Manager for the past week since he's done a lot to stabilize the build.
>>> 
>>> If the vote is passed I'll log this on the Committership page as a 
>>> Committer duty (I'll also cross reference it from the Build page).
>>> 
>>> Here's my +1
>> 
>> +1 as well.
>> 
> 
> +1 to the idea, we need another position in change of stability.
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