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Highlights of YaST Development Sprint 82

August 14th, 2019 by

July and August are very sunny months in Europe… and chameleons like sun. That’s why most YaST developers run away from their keyboards during this period to enjoy vacations. Of course, that has an impact in the development speed of YaST and, as a consequence, in the length of the YaST Team blog posts.

But don’t worry much, we still have enough information to keep you entertained for a few minutes if you want to dive with us into our summer activities that includes:

  • Enhancing the development documentation
  • Extending AutoYaST capabilities regarding Bcache
  • Lots of small fixes and improvements

AutoYaST and Bcache – Broader Powers

Bcache technology made its debut in YaST several sprints ago. You can use the Expert Partitioner to create your Bcache devices and improve the performance of your slow disks. We even published a dedicated blog post with all details about it.

Apart of the Expert Partitioner, AutoYaST was also extended to support Bcache devices. And this time, we are pleased to announce that … we have fixed our first Bcache bug!

Actually, there were two different bugs in the AutoYaST side. First, the auto-installation failed when you tried to create a Bcache device without a caching set. On the other hand, it was not possible to create a Bcache with an LVM Logical Volume as backing device. Both bugs are gone, and now AutoYaST supports those scenarios perfectly.

Configuring Bcache and LVM with AutoYaST

But Bcache is a quite young technology and it is not free of bugs. In fact, it fails when the backing device is an LVM Logical Volume and you try to set the cache mode. We have already reported a bug to the Bcache crew and (as you can see in the bug report) a patch is already been tested.

Enhancing Our Development Documentation

This sprint we also touched our development documentation, specifically we documented our process for creating the maintenance branches for the released products. The new branching documentation describes not only how to actually create the branches but also how to adapt all the infrastructure around (like Jenkins or Travis) which requires special knowledge.

We will see how much the documentation is helpful next time when somebody has to do the branching process for the next release. ­čśë

Working for a better world YaST

We do our best to write code free of bugs… but some bugs are smarter than us and they manage to survive and reproduce. Fortunately we used this sprint to do some hunting.

Those are only some examples of the kind of bugs we have fought during this sprint. But checking bug reports has also made us think in the future…

LibYUI in 21st Century

We fixed a bug related to how the focus was managed in text mode after changing any setting via the hyperlinks available in the installation summary.

Installation summary in text mode

The implemented solution is actually not perfect, it’s just the better we can do with our set of widgets. And that was yet another example of such problem – LibYUI is an awesome library that allows us to create interfaces that work in both graphic and text modes, but it has basically not evolved for more than a decade… and it’s time to fix that!

So we have been discussing how to organize our time in the close future to leave some room for innovation and renovation regarding LibYUI and the YaST UI in general. Stay tuned for more news.

August is still not over

The YaST Team will keep working during the rest of the summer sharpening our Linux Swiss army knife. But half of the team is still on vacation or starting their vacation now. So most likely our next report will be here in two weeks and it will also be a light read.

Meanwhile, don’t forget to have a lot of fun!

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2 Responses to “Highlights of YaST Development Sprint 82”

  1. Great work done!! (as always!)

    ‘ve phun!!

  2. Awesome content and thank you so much for share your knowledge