helm/modules/nixos/microbin.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.microbin;
configFile = "/etc/microbin/config";
dataFolder = "/var/lib/microbin";
in
{
options = {
services.microbin = {
enable = mkEnableOption "A super tiny pasta";
user = mkOption {
type = types.str;
default = "microbin";
description = "User account under which microbin runs.";
};
group = mkOption {
type = types.str;
default = "microbin";
description = "Group account under which microbin runs.";
};
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hostname = mkOption {
type = types.str;
description = "Hostname of your microbin service";
};
port = mkOption {
type = types.port;
default = 8080;
description = "Port on which to run the serice";
};
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};
};
config = mkIf cfg.enable {
systemd.services.microbin = {
description = "Microbin A Super Tiny Pasta";
after = [ "remote-fs.target" "network.target" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
ExecStart = "${pkgs.microbin}/bin/microbin -- --port ${builtins.toString cfg.port} --public-path ${cfg.hostname} --editable --enable-burn-after --private --qr --title=sealight --highlightsyntax";
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WorkingDirectory = dataFolder;
TimeoutStopSec = " 20 ";
KillMode = " process ";
RestartSec = " 10 ";
User = cfg.user;
Group = cfg.group;
DevicePolicy = " closed ";
NoNewPrivileges = " yes ";
PrivateTmp = " yes ";
PrivateUsers = " yes ";
ProtectControlGroups = " yes ";
ProtectKernelModules = " yes ";
ProtectKernelTunables = " yes ";
RestrictAddressFamilies = "
AF_UNIX
AF_INET
AF_INET6 ";
RestrictNamespaces = " yes ";
RestrictRealtime = " yes ";
SystemCallFilter = "~@clock @debug @module @mount @obsolete @privileged @reboot @setuid @swap";
ReadWritePaths = dataFolder;
StateDirectory = baseNameOf dataFolder;
};
};
users.users = optionalAttrs (cfg.user == "microbin") ({
microbin = {
description = "microbin service user";
name = cfg.user;
group = cfg.group;
isSystemUser = true;
};
});
users.groups = optionalAttrs (cfg.group == "microbin") ({
microbin = { };
});
};
}