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Hydra

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16 May 2026
@tomberek:matrix.orgtomberekI'm keen to try things out... but only been lurking as I'm not quite sure when/if it is in a good state to test (mainly interested in a centralized scheduler with a de-centralized/binary-cache store as the source of truth). What would be helpful here? Docs? Users playing with it? Code? Review?20:28:55
17 May 2026
@joerg:thalheim.ioMic92 tomberek: users playing with would be good 04:55:44
@joerg:thalheim.ioMic92in theory could you not have the queue-builder running on your hydra as well and use nix remote build protocol? Also this sounds a bit like an insane setup.04:56:37
@joerg:thalheim.ioMic92https://github.com/NixOS/hydra/pull/1747 <- Ever since I saw this code the interpolation for flakes scared me.04:57:05
@joerg:thalheim.ioMic92 Simon Hauser: Janne I would like to merge the ofborg infra into the nixos infra repo: https://github.com/NixOS/infra/pull/1009
reason is that this makes it easier to keep staging hydra in sync with the ofborg builder's queue-builder agent. Also shipping security updates on a more regular base is easier this way. I think you should still be able to deploy machines. Potentially we could also give our merge access to the infra repo?
05:50:47
@joerg:thalheim.ioMic92 Janne: in case simon, doesn't read my message, please let him know about the pull request 05:51:18
@hexa:lossy.networkhexasgtm12:13:36
18 May 2026
@janne:hess.oooJanneI tried to keep it similar to make such a migration easier in the future. So I am fully on board with that. The merge access is something that may be helpful and I would take it if given to me but it's not something I will explicitly require or that I think is strictly necessary16:42:46
@hexa:lossy.networkhexamerge access is complicated without joining infra, because it is not in a dedicated subtree19:04:14
@hexa:lossy.networkhexathough you'd be welcome to join19:04:37
19 May 2026
@amadaluzia:4d2.orgamadaluzia changed their profile picture.20:59:04
21 May 2026
@xokdvium:matrix.orgSergei Zimmerman (xokdvium)What’s the overall plan to continue maintaining HNO deployment? For now infra pins a specific commit, but it would be valuable to have a branch where additional fixes can be applied while the new queue runner is not in a good state.12:15:36
@vcunat:matrix.orgvcunat I'm not sure why it pins the commit, but it's exactly on the tip of the infra branch. 12:18:19
@vcunat:matrix.orgvcunat * I'm not sure why it pins the commit, but it's exactly on the tip of the infra branch currently. 12:18:36
@xokdvium:matrix.orgSergei Zimmerman (xokdvium)Ah ok12:19:35
@hexa:lossy.networkhexahuh? it is what?13:29:15
@hexa:lossy.networkhexa
    hydra = {
      url = "github:NixOS/hydra/a40d42862da88cce78a27dd594e1484a034aac4d";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.nix.follows = "nix";
    };
13:29:41
@vcunat:matrix.orgvcunat The infra branch points to a40d42862da88cce78a27dd594e1484a034aac4d right now. 13:30:16
@hexa:lossy.networkhexa sorry, but what infra branch where? 13:30:37
@hexa:lossy.networkhexaoh, in hydra13:30:49
@vcunat:matrix.orgvcunat github:NixOS/hydra/infra 13:30:52
@vcunat:matrix.orgvcunatSounds better to me to have this in there (and relock), but that's just a nit.13:31:21
@hexa:lossy.networkhexathat was created very recently13:31:27
@hexa:lossy.networkhexa3 days ago in fact13:31:44
@hexa:lossy.networkhexaI'd prefer naming this legacy-queue-runner or sth13:32:10
@hexa:lossy.networkhexabetter describes the purpose13:32:32
@vcunat:matrix.orgvcunatI thought the purpose is to have a branch which shows what's running on hydra.nixos.org13:32:54
@vcunat:matrix.orgvcunat * I thought the purpose of infra is to have a branch which shows what's running on hydra.nixos.org 13:33:01
@vcunat:matrix.orgvcunat * I thought the purpose of NixOS/hydra/infra is to have a branch which shows what's running on hydra.nixos.org 13:33:13
@vcunat:matrix.orgvcunat * I thought the purpose of NixOS/hydra/infra is to have a branch which shows what's running on hydra.nixos.org right now 13:33:22

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