On Sun, 2024-09-08 at 15:46 +0200, Alexander Kanavin wrote: > On Sun, 8 Sept 2024 at 15:24, Adrian Freihofer > <adrian.freiho...@gmail.com> wrote: > > It is true that we have replaced our eSDK-based setups with Direct > > SDK- > > based setups. A year ago, I had the opportunity to talk about this > > topic at Yocto Sumit: file:///home/adrian/Downloads/yocto-summit- > > 2023.11-devtool-i_S04eDYy.pdf > > One year after this presentation, I can summarize that it works > > much > > better than what we had with the static eSDK installers. > > You also need to provide a link that can be opened :)
next try :-) https://summit.yoctoproject.org/media/yocto-project-summit-2023-11/submissions/UZ9BN7/resources/yocto-summit-2023.11-devtool-i_S04eDYy.pdf > > > The second thing you need is a shared sstate-cache. This feature is > > now > > available officially in Yocto. We do not use this so far because we > > do > > not have a shared hash equivalence server yet. We use a simple, a > > bit > > hacky script which downloads all sstate-cache artifacts before we > > call > > bitbake. > > You can switch off hash equivalence in local.conf or distro conf or > site conf. Then sstate signature calculations will work 'as they used > to', and you can provide only the sstate, without having to set up a > hashequiv server as well. > > The downside is that it needs to be switched off in CI as well, and > that can lengthen CI builds significantly, if they no longer benefit > from hashequiv shortcuts. Yes, that's how it is. Ideally there would be an easy way to get all these nice new features together. > > > @Alex: We should discuss this issue in Vienna. I think there has > > been > > great progress in many areas. But I don't think there is yet a > > complete > > concept for operating a complete infrastructure for distributing > > layers > > and ssate-cache, which also provides security and scalability. It's > > definitely doable with enough knowledge and maybe some helper > > scripts > > and compromises as we do it internally or with a CDN without > > security > > as the Yocto Project does it. > > We're working on it. You can find the oe-replicate-build prototype > here: > https://git.yoctoproject.org/poky-contrib/log/?h=akanavin/sstate-for-all > (commits 3 to 5 from the top) > and bitbake-setup prototype here: > https://github.com/kanavin/bitbake/commits/akanavin/bitbake-setup/ > https://github.com/kanavin/bitbake-setup-configurations > > We should certainly discuss in Vienna, but you can also play with > these beforehands. I will have a look at it. It's some time ago when I tried it. Adrian > > Alex
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