96 lines
3.0 KiB
Nix
96 lines
3.0 KiB
Nix
{
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config,
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lib,
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metadata,
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pkgs,
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...
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}:
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let
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builderHosts = lib.filterAttrs (_n: v: (builtins.hasAttr "builder" v) && v.builder) metadata.hosts;
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cfg = config.greg.nix;
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hostname = x: if cfg.cache then "${x}.shire-zebra.ts.net" else "${x}.thehellings.lan";
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in
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{
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options.greg.nix = {
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cache = lib.mkOption {
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type = lib.types.bool;
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default = true;
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};
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};
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config = {
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programs.ssh.extraConfig = builtins.concatStringsSep "\n" (
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lib.map (x: ''
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Host ${x}-builder
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Hostname ${hostname x}
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User remote-builder-user
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'') (lib.attrNames builderHosts)
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);
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nix = {
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buildMachines = lib.mapAttrsToList (k: v: {
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inherit (v) systems;
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hostName = "${k}-builder";
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protocol = "ssh-ng";
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}) builderHosts;
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distributedBuilds = true;
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gc = {
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automatic = true;
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# Scheduling of them is different in nixos vs nix-darwin, so check for
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# the extra details there
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options = "--delete-older-than 30d";
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};
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package = pkgs.nixVersions.stable;
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settings = {
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builders-use-substitutes = true;
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cores = 0; # Use all cores for builds
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download-buffer-size = 500 * 1024 * 1024;
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experimental-features = "nix-command flakes";
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keep-outputs = true;
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keep-derivations = true;
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min-free = (toString (1024 * 1024 * 1024));
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max-free = (toString (5 * 1024 * 1024 * 1024));
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trusted-users = [
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"greg"
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"gregory.hellings"
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]; # For home and for work machines
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substituters =
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(
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if cfg.cache then
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[
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#"http://chronicles.shire-zebra.ts.net:9000/binary-cache/"
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"http://niks3.nas1.shire-zebra.ts.net:30189/"
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#"http://nas1.shire-zebra.ts.net:8080/default"
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]
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else
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[
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"http://niks3.nas1.thehellings.lan:30189/"
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]
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)
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++ [
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"https://ai.cachix.org"
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"https://nixpkgs-python.cachix.org"
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"https://greg-hellings.cachix.org"
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"https://nix-community.cachix.org"
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"https://cache.nixos.org"
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"https://nixhelm.cachix.org"
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];
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trusted-public-keys = [
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"niks3:8iztr/NACwYEK5O7JJtGFGuv+ho/cmwql8NeoCiXNto="
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#"chronicles.shire-zebra.ts.net:0qWYHn3gGllXChhAaaxKlNZtRy6yG/XJs1RFSqV3nW8="
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"default:DTGxNijw2D8FrZJPT1pFTWcLqbt60tovL+9Z+VW0HRY="
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"ai.cachix.org-1:N9dzRK+alWwoKXQlnn0H6aUx0lU/mspIoz8hMvGvbbc="
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"nixpkgs-python.cachix.org-1:hxjI7pFxTyuTHn2NkvWCrAUcNZLNS3ZAvfYNuYifcEU="
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"greg-hellings.cachix.org-1:y01Jl/L5evlhxdnUW6n56AiI1k8g1wxWhTxJCe7XSco="
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"nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
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"cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
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"nixhelm.cachix.org-1:esqauAsR4opRF0UsGrA6H3gD21OrzMnBBYvJXeddjtY="
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];
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};
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};
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};
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}
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