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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.eth.services.mosquitto;
mosquittoConf = pkgs.writeText "mosquitto.conf" ''
${optionalString cfg.mqtt.enable ''
listener ${toString cfg.mqtt.port} ${optionalString (cfg.mqtt.host != "") cfg.mqtt.host}
''}
${optionalString cfg.websockets.enable ''
listener ${toString cfg.websockets.port} ${optionalString (cfg.websockets.host != "") cfg.websockets.host}
protocol websockets
''}
${optionalString cfg.persistence "persistence true"}
'';
in {
options.eth.services.mosquitto = {
enable = mkEnableOption "Whether to enable mosquitto.";
persistence = mkOption {
type = types.bool;
default = true;
};
mqtt = {
enable = mkEnableOption "Whether to listen on unencrypted MQTT.";
host = mkOption {
type = types.str;
default = "";
example = "10.11.12.14";
};
port = mkOption {
type = types.int;
default = 1883;
};
};
websockets = {
enable = mkEnableOption "Whether to listen on unencrypted Websockets.";
host = mkOption {
type = types.str;
default = "";
example = "10.11.12.14";
};
port = mkOption {
type = types.int;
default = 1884;
};
};
};
config = mkIf cfg.enable {
systemd.services.mosquitto = {
enable = true;
description = "Mosquitto MQTT broker";
wants = [ "network.target" ];
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
DynamicUser = true;
RuntimeDirectory = "mosquitto";
StateDirectory = "mosquitto";
ExecStart = "${pkgs.mosquitto}/bin/mosquitto -c ${mosquittoConf}";
NoNewPrivileges = true;
ProtectKernelTunables = true;
ProtectControlGroups = true;
ProtectKernelModules = true;
RestrictAddressFamilies = "AF_INET AF_INET6 AF_UNIX";
RestrictNamespaces = true;
};
};
};
}
|
