[Bismark-devel] some thoughts on continuous builds

[Nick Feamster]

Hi Dave,

On the topic of builds, I met with some of the OpenFlow folks at Stanford yesterday.  We are going to try to see if we can get this also built as a package:
http://www.openflow.org/wk/index.php/OpenFlow_1.0_for_OpenWRT

at which point, we will see if we can integrate it into the build, as well.

Are you saying below that we should be doing continuous testing and builds, so that we can be certain that the current build runs on the NetGear hardware?  That seems like a good idea.

-Nick

On Apr 26, 2011, at 8:35 AM, Dave Taht wrote:

> The advantage of a continuous build and test system is that you catch
> new bugs early, as they occur in your external trees, and also fold in
> fixes to existing bugs and new features quickly.
> 
> A disadvantage is that new bugs occur and invalidate previous testing.
> 
> At some point in the near future we will need to freeze bismark,
> starting with the kernel and core utilities, do extensive QA, and
> ship. Until then, builds should be done weekly (preferably daily)
> 
> Up until now I have been doing pulls and builds on a rather arbitrary schedule.
> 
> In my judgement there are still sufficient bugs outstanding
> 
> http://www.bufferbloat.net/projects/bismark/issues
> 
> to be doing continuous builds but I haven't been in the loop this week
> (I will be more available after may 1)
> 
> So I would like to establish a process whereby we have a trigger point
> for doing a new major build, and trigger points for new minor ones.
> 
> One nice thing about having multiple builders is that it's possible to
> at least test the new stuff before committing to using it on other
> people.
> 
> For example, last night, on my own tree, in my home dir, I did the usual
> 
> cd ~/src/openwrt; git pull
> 
> # looked over the logs with git log, saw a few interesting changes
> 
> cd ~/src/wndr370
> 
> ./scripts/feeds update # this updates the external packages and rarely
> breaks anything
> git pull # in my case this pulls from my private copy of openwrt
> make menuconfig # and save. you have to do this fairly often as
> options do change
> echo make -j 8 | batch
> 
> And the latest and greatest stuff did, indeed, build. Now, (due to me
> not paying attention this week) I am still a bit out of sync with
> what's going on in the core ~bismark tree, and don't have the hardware
> to test against right now, but I have a reasonable confidence level
> that the main trees could be updated and built against.
> 
> So, anyway, whenever y'all get to a good "do a complete build" point,
> please do so? The pain you incur now will be saved later.
> 
> (I hope to be testing a new build w/hardware saturday)
> 
> -- 
> Dave Täht
> SKYPE: davetaht
> US Tel: 1-239-829-5608
> http://the-edge.blogspot.com
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