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{ config, pkgs, lib, ... }:
with lib;
let
cfg = config.services.cachix-agent;
in {
meta.maintainers = [ lib.maintainers.domenkozar ];
options.services.cachix-agent = {
enable = mkEnableOption "Cachix Deploy Agent: https://docs.cachix.org/deploy/";
name = mkOption {
type = types.str;
description = lib.mdDoc "Agent name, usually same as the hostname";
default = config.networking.hostName;
defaultText = "config.networking.hostName";
};
verbose = mkOption {
type = types.bool;
description = lib.mdDoc "Enable verbose output";
default = false;
};
profile = mkOption {
type = types.nullOr types.str;
default = null;
description = lib.mdDoc "Profile name, defaults to 'system' (NixOS).";
};
package = mkOption {
type = types.package;
default = pkgs.cachix;
defaultText = literalExpression "pkgs.cachix";
description = lib.mdDoc "Cachix Client package to use.";
};
credentialsFile = mkOption {
type = types.path;
default = "/etc/cachix-agent.token";
description = lib.mdDoc ''
Required file that needs to contain CACHIX_AGENT_TOKEN=...
'';
};
};
config = mkIf cfg.enable {
systemd.services.cachix-agent = {
description = "Cachix Deploy Agent";
after = ["network-online.target"];
path = [ config.nix.package ];
wantedBy = [ "multi-user.target" ];
# Cachix requires $USER to be set
environment.USER = "root";
# don't stop the service if the unit disappears
unitConfig.X-StopOnRemoval = false;
serviceConfig = {
# we don't want to kill children processes as those are deployments
KillMode = "process";
Restart = "on-failure";
EnvironmentFile = cfg.credentialsFile;
ExecStart = "${cfg.package}/bin/cachix ${lib.optionalString cfg.verbose "--verbose"} deploy agent ${cfg.name} ${if cfg.profile != null then profile else ""}";
};
};
};
}
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