Re: [Twisted-Python] Problem with osx10.10-py2.7 builder

[Glyph]

> On Mar 25, 2018, at 5:01 AM, Adi Roiban  wrote:
> 
> Hi,
> 
> 
> On 25 March 2018 at 05:14, Craig Rodrigues  wrote:
>> Hi,
>> 
>> Can someone check this builder:
>> 
>> https://buildbot.twistedmatrix.com/builders/osx10.10-py2.7
>> 
>> It is failing randomly in weird ways during builds.  For example,
>> in some cases it fails to install tox.  In other cases, the tests terminate
>> in
>> some random spot.
> 
> I will try and take a look at it.

Adi, myself, and Mark looked at it by turns and eventually I think we got it 
into a mostly working state.

Builds are now passing.  However, if you attempt to view the logs of a build in 
progress, it appears to fail with a purple exception.  This actually looks like 
it's a bug in the build master which I'm a little confused about why it isn't 
affecting other builders.

> If someone knows more about the slave running this build, please add
> the info on wiki at:
> 
> https://twistedmatrix.com/trac/wiki/ContinuousIntegration/Buildslaves 
> 

Looks like you beat me to the punch: 
https://twistedmatrix.com/trac/wiki/ContinuousIntegration/Buildslaves/d3 


Is there other information you need?

>> This builder is marked as "Required", so it is a bit annoying.
> 
> My understanding from the previous discussion about the supported
> platforms is that any build is required.
> The osx is there as I reminder to run the buildbot tests and not to
> merge a PR with only Travis and Appveyor.
> 
> I have reconfigured GitHub to require  ubuntu16.04-py2.7-coverage as
> this is backed by 3 slaves.

Primarily it's required because it's the only reasonable way we have to verify 
that things work on macOS, which is by far our most popular developer operating 
system.  I've reverted this configuration change, since it's more reasonable to 
give the reviewers some discretion about the fact that Travis is representative 
of Linux than that a random assortment of non-macOS buildbots are 
representative of macOS.

> We have the circle-ci macOS and for the next  2 days, we can use that :)
> We are already used 55% of the macOS time and Circle-CI was enalbled
> in trunk in the last 2 days...so I don't think that we can use
> Circle-CI for macOS for the long term.
> I will write them to see if we can get an exception or a discount.

I would definitely like it if we could move to something hosted :).

> Otherwise, I plan to rent a macOS  so that it can act as a second
> slave for osx10.10-py2.7
> So far, the support from macincloud was not helpful or friendly, but I
> guess that we can just try their service for 1 month and see how it
> goes.

Bummer.  This seems like the sort of thing that we should have the Conservancy 
pay for, rather than you personally.  Better yet, of course, to get a 
commercially interested macOS user to supply some hardware or mac cloud boxes 
or something.

Alternately...

The reason we're doing this at all is that Travis's macOS situation was pretty 
dismal when we last tried it.  But then, the graphs on 
https://www.traviscistatus.com  at the time 
matched that experience: routinely there were build queues in the hundreds.  
Right now the "Backlog macOS Builds for Open Source Projects" shows a 
completely flat line, zero for the last 24 hours.

It might be worth trying out Travis again.

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Re: [Twisted-Python] Problem with osx10.10-py2.7 builder

[Adi Roiban]

Hi,


On 25 March 2018 at 05:14, Craig Rodrigues  wrote:
> Hi,
>
> Can someone check this builder:
>
> https://buildbot.twistedmatrix.com/builders/osx10.10-py2.7
>
> It is failing randomly in weird ways during builds.  For example,
> in some cases it fails to install tox.  In other cases, the tests terminate
> in
> some random spot.

I will try and take a look at it.

If someone knows more about the slave running this build, please add
the info on wiki at:

https://twistedmatrix.com/trac/wiki/ContinuousIntegration/Buildslaves


> This builder is marked as "Required", so it is a bit annoying.
>


My understanding from the previous discussion about the supported
platforms is that any build is required.
The osx is there as I reminder to run the buildbot tests and not to
merge a PR with only Travis and Appveyor.

I have reconfigured GitHub to require  ubuntu16.04-py2.7-coverage as
this is backed by 3 slaves.



-

We have the circle-ci macOS and for the next  2 days, we can use that :)
We are already used 55% of the macOS time and Circle-CI was enalbled
in trunk in the last 2 days...so I don't think that we can use
Circle-CI for macOS for the long term.
I will write them to see if we can get an exception or a discount.

Otherwise, I plan to rent a macOS  so that it can act as a second
slave for osx10.10-py2.7
So far, the support from macincloud was not helpful or friendly, but I
guess that we can just try their service for 1 month and see how it
goes.

-- 
Adi Roiban

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