commit dc529302fecd1a4cfec568524135da1a49f5640b · pyrox.dev/nixpkgs

+87

nixos/modules/services/system/cachix-watch-store.nix

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       { config, pkgs, lib, ... }:

     

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       with lib;

     

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       let

     

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         cfg = config.services.cachix-watch-store;

     

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       in

     

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       {

     

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         meta.maintainers = [ lib.maintainers.jfroche lib.maintainers.domenkozar ];

     

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         options.services.cachix-watch-store = {

     

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           enable = mkEnableOption (lib.mdDoc "Cachix Watch Store: https://docs.cachix.org");

     

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           cacheName = mkOption {

     

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             type = types.str;

     

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             description = lib.mdDoc "Cachix binary cache name";

     

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           };

     

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           cachixTokenFile = mkOption {

     

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             type = types.path;

     

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             description = lib.mdDoc ''

     

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               Required file that needs to contain the cachix auth token.

     

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             '';

     

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           };

     

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           compressionLevel = mkOption {

     

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             type = types.nullOr types.int;

     

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             description = lib.mdDoc "The compression level for XZ compression (between 0 and 9)";

     

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             default = null;

     

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           };

     

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           jobs = mkOption {

     

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             type = types.nullOr types.int;

     

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             description = lib.mdDoc "Number of threads used for pushing store paths";

     

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             default = null;

     

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           };

     

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           host = mkOption {

     

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             type = types.nullOr types.str;

     

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             default = null;

     

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             description = lib.mdDoc "Cachix host to connect to";

     

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           };

     

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           verbose = mkOption {

     

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             type = types.bool;

     

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             description = lib.mdDoc "Enable verbose output";

     

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             default = false;

     

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           };

     

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           package = mkOption {

     

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             type = types.package;

     

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             default = pkgs.cachix;

     

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             defaultText = literalExpression "pkgs.cachix";

     

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             description = lib.mdDoc "Cachix Client package to use.";

     

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           };

     

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         };

     

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         config = mkIf cfg.enable {

     

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           systemd.services.cachix-watch-store-agent = {

     

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             description = "Cachix watch store Agent";

     

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             after = [ "network-online.target" ];

     

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             path = [ config.nix.package ];

     

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             wantedBy = [ "multi-user.target" ];

     

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             serviceConfig = {

     

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               # we don't want to kill children processes as those are deployments

     

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               KillMode = "process";

     

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               Restart = "on-failure";

     

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               DynamicUser = true;

     

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               LoadCredential = [

     

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                 "cachix-token:${toString cfg.cachixTokenFile}"

     

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               ];

     

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             };

     

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             script =

     

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               let

     

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                 command = [ "${cfg.package}/bin/cachix" ]

     

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                   ++ (lib.optional cfg.verbose "--verbose") ++ (lib.optionals (cfg.host != null) [ "--host" cfg.host ])

     

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                   ++ [ "watch-store" ] ++ (lib.optionals (cfg.compressionLevel != null) [ "--compression-level" (toString cfg.compressionLevel) ])

     

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                   ++ (lib.optionals (cfg.jobs != null) [ "--jobs" (toString cfg.jobs) ]) ++ [ cfg.cacheName ];

     

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               in

     

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               ''

     

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                 export CACHIX_AUTH_TOKEN="$(<"$CREDENTIALS_DIRECTORY/cachix-token")"

     

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                 ${lib.escapeShellArgs command}

     

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               '';

     

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           };

     

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         };

     

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       }