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Colmena

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A simple, stateless NixOS deployment tool - https://github.com/zhaofengli/colmena112 Servers

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24 Jul 2022
@rendakuenthusiast:imperishable.name@rendakuenthusiast:imperishable.nameif I deploy with colmena, and a derivation fails, I see an error message saying that a log should appear at /tmp/nix-build<pkgname>06:45:57
@rendakuenthusiast:imperishable.name@rendakuenthusiast:imperishable.nameand I don't see this file existing, either on my local system or the system colmena should be deploying to06:46:11
@winterqt:nixos.devWinter (she/her)
In reply to @rendakuenthusiast:imperishable.name
if I deploy with colmena, and a derivation fails, I see an error message saying that a log should appear at /tmp/nix-build
you'll want to run nix log /nix/store/the.drv, that'll provide build logs
17:41:16
25 Jul 2022
@grahamc:nixos.org@grahamc:nixos.orgcan colmena handle a network of mixed architectures?15:38:52
@linus:schreibt.jetztLinux Hackermanyes, using it for that myself :)15:39:05
@grahamc:nixos.org@grahamc:nixos.orgoh sorry, half-asked question15:41:05
@grahamc:nixos.org@grahamc:nixos.orgwhere I'm also using its flake.nix support15:41:12
@linus:schreibt.jetztLinux Hackerman
In reply to @linus:schreibt.jetzt
yes, using it for that myself :)
still :D
15:41:24
@grahamc:nixos.org@grahamc:nixos.orgyay! can you show an example? I'm a bit confused15:41:34
@linus:schreibt.jetztLinux Hackermanthere's not much to it besides setting nixpkgs.system in the node's configuration15:42:22
@grahamc:nixos.org@grahamc:nixos.orgoh! of course!15:42:34
@grahamc:nixos.org@grahamc:nixos.orgthanks15:42:35
@grahamc:nixos.org@grahamc:nixos.orgI was thrown off by the meta.nixpkgs being set15:42:43
@linus:schreibt.jetztLinux HackermanYeah, that's only the nixpkgs used to evaluate it though15:43:39
@grahamc:nixos.org@grahamc:nixos.orgmakes sense15:44:30
@linus:schreibt.jetztLinux Hackermansomething to note is that Colmena's flake support is incomplete, the biggest issue being that it requires impure evaluation.15:44:41
@linus:schreibt.jetztLinux HackermanThat's bitten me before, with it picking up ~/.config/nixpkgs/config.nix15:45:00
@grahamc:nixos.org@grahamc:nixos.orggotcha15:45:16
@grahamc:nixos.org@grahamc:nixos.orgit also seems to get a bit weird with some secrets support15:45:28
@grahamc:nixos.org@grahamc:nixos.org and the reboot behavior is not to my taste at the moment :) 15:45:54
@grahamc:nixos.org@grahamc:nixos.orgbut switching from nixops was almost entirely pain-free15:48:11
@linus:schreibt.jetztLinux Hackerman grahamc (he/him): oh also keep in mind if you haven't encrypted your secrets and you're using flakes with colmena, the secrets are now world-readable in your nix store. 15:55:41
@grahamc:nixos.org@grahamc:nixos.orgyeah, luckily they're barely secret15:57:29
@grahamc:nixos.org@grahamc:nixos.orgoh actually no they didn't get copied in, I "fixed" it like this:15:58:03
@grahamc:nixos.org@grahamc:nixos.orgcolmena = let secrets = import /home/....mysecrets.nix; in15:58:24
@grahamc:nixos.org@grahamc:nixos.orgthat file has no secrets, but points to other files, and loading those other files always failed15:58:52
@linus:schreibt.jetztLinux Hackermanaaah ok15:59:04
30 Jul 2022
@winterqt:nixos.devWinter (she/her) Zhaofeng Li: would you accept a PR / consider running rustfmt on the source tree? 04:21:48
@zhaofeng:zhaofeng.liZhaofeng Li
In reply to @winterqt:nixos.dev
Zhaofeng Li: would you accept a PR / consider running rustfmt on the source tree?
Sure, done
05:14:42
@winterqt:nixos.devWinter (she/her)I assume just like interactive SSH auth isn't supported, interactive privilege escalation (i.e. entering a password for sudo during activation) also isn't supported?05:33:09

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