dc529302fe
Self hosted CI push built packages asynchronously to cachix using a service. Based on @Mic92 [code](https://github.com/cachix/cachix/issues/370#issuecomment-817081937)
88 lines
2.5 KiB
Nix
88 lines
2.5 KiB
Nix
{ 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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}
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