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Hydra

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14 Aug 2022
@linus:schreibt.jetzt@linus:schreibt.jetztProbably not OOM. Not much pressure, no swap getting used.11:06:55
@linus:schreibt.jetzt@linus:schreibt.jetzt Rick (Mindavi): did you look at alternative UUID implementations when you were fixing UUID4-Tiny for aarch64? I seem to remember an alternative being mentioned somewhere, but don't remember what it was... 13:17:21
@joerg:thalheim.ioMic92How do I need to specify remote builders? https://github.com/nix-community/infra/commit/75415763e156af5460cf41a4e72f0af4a6ed9864#diff-2404a9483fea5d1ff23e25a108e54c5a2a9d5df3bed79a506b0738659c95e08bR7714:23:31
@joerg:thalheim.ioMic92Hydra does not like the format that I am using: https://hydra.nix-community.org/build/1719863614:24:03
@hexa:lossy.networkhexawithout ssh://?15:17:26
@andreas.schraegle:helsinki-systems.deajs124yeah, hydra have a separate parser for the machine file15:18:21
@arianvp:matrix.orgArianRedacted or Malformed Event15:28:00
@rick:matrix.ciphernetics.nlRick (Mindavi)
In reply to @linus:schreibt.jetzt
Rick (Mindavi): did you look at alternative UUID implementations when you were fixing UUID4-Tiny for aarch64? I seem to remember an alternative being mentioned somewhere, but don't remember what it was...
I didn't, and since I've never written perl I didn't really feel qualified to fix the implementation anyway. But I'm sure there should be simple alternatives
16:32:35
@rick:matrix.ciphernetics.nlRick (Mindavi)This is all I've got, I think: https://github.com/NixOS/hydra/issues/120916:33:32
@linus:schreibt.jetzt@linus:schreibt.jetztfair enough, thanks :)17:27:14
@k900:0upti.meK900 joined the room.18:11:59
@k900:0upti.meK900OK whomst do I poke here to get https://github.com/NixOS/hydra/pull/1243 merged18:12:22
@andreas.schraegle:helsinki-systems.deajs124
In reply to @k900:0upti.me
OK whomst do I poke here to get https://github.com/NixOS/hydra/pull/1243 merged
das_j
18:16:42
@janne.hess:helsinki-systems.dedas_j
In reply to @andreas.schraegle:helsinki-systems.de
das_j
ajs124
18:17:29
@k900:0upti.meK900image.png
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18:17:59
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15 Aug 2022
@ulrikstrid:matrix.org@ulrikstrid:matrix.orgIs this the only thing I need to set to get remote cache upload working for hydra? https://github.com/NixOS/nixos-org-configurations/blob/master/delft/hydra.nix#L3311:43:29
@ulrikstrid:matrix.org@ulrikstrid:matrix.orgAnd the aws stuff obviously11:43:51
@amanda:camnet.siteAmanda (she/her)That's all I needed for my minio cache, yeah14:37:29
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16 Aug 2022
@k900:0upti.meK900
In reply to @k900:0upti.me
OK whomst do I poke here to get https://github.com/NixOS/hydra/pull/1243 merged
Bump
18:42:44
@janne.hess:helsinki-systems.dedas_j
In reply to @k900:0upti.me
Bump
ajs124
18:42:56
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17 Aug 2022
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@leons:is.currently.online@leons:is.currently.online

I haven't used Hydra much and have a question to see whether it might be a suitable tool for my usecase. I maintain a repository which defines some FPGA-targets for an embedded OS and I am providing pre-built FPGA bitstreams for these targets, so people don't have to install the heavyweight proprietary FPGA toolchains (>= 50GB binary blob) themselves.

I'm already building all of this with Nix, but using regular CI infrastructure like GitHub Actions or TravisCI to automate this is infeasible (can't redistribute the binary blob and it exceeds CI resource limitations).

If I were to build this with Hydra, can I

  1. manually add the proprietary toolchain to the build system's nix-store as a garbage collector root and have Hydra use that for its builds, and
  2. instruct Hydra to not offer / publish the proprietary toolchain itself? While it should be perfectly legal to compile a bitstream and redistribute that final artifact, I am not allowed to redistribute the toolchain itself. I do want to make the final artifacts available somewhere, although that doesn't have to be through Hydra directly.
09:05:59
@sandro:supersandro.deSandro
  1. required file
  2. not easily
09:31:52
@andreas.schraegle:helsinki-systems.deajs1241. maybe/sort of yes. we build stuff like displaylink on our internal hydra, where you need to download the zip manually and agree to the license. 2. sure. hydra comes with a binary cache, but barely anyone uses it. you could just have a hook to only copy the bitstreams or use hydra-support stuff, to offer downloads.09:31:58

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