nixos-config/nixos/configs/pepe/home-assistant/zigbee2mqtt/service.nix

119 lines
3.3 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.custom.services.zigbee2mqtt;
configJSON = pkgs.writeText "configuration.json" (builtins.toJSON
(recursiveUpdate cfg.config config.services.zigbee2mqtt.config));
configFile =
pkgs.runCommand "configuration.yaml" { preferLocalBuild = true; } ''
${pkgs.remarshal}/bin/json2yaml -i ${configJSON} -o $out
'';
# the default config contains all required settings,
# so the service starts up without crashing.
defaultConfig = {
homeassistant = false;
permit_join = false;
mqtt = {
base_topic = "zigbee2mqtt";
server = "mqtt://localhost:1883";
};
serial.port = "/dev/ttyACM0";
# put device configuration into separate file because configuration.yaml
# is copied from the store on startup
devices = "devices.yaml";
};
in {
options.custom.services.zigbee2mqtt = {
enable = mkEnableOption "enable zigbee2mqtt service";
package = mkOption {
description = "ignored";
default = pkgs.zigbee2mqtt.override { dataDir = cfg.dataDir; };
defaultText = "pkgs.zigbee2mqtt";
type = types.package;
};
dataDir = mkOption {
description = "Zigbee2mqtt data directory";
default = "/var/lib/zigbee2mqtt";
type = types.path;
};
config = mkOption {
default = { };
type = with types; nullOr attrs;
example = literalExample ''
{
homeassistant = config.services.home-assistant.enable;
permit_join = true;
serial = {
port = "/dev/ttyACM1";
};
}
'';
description = ''
Your <filename>configuration.yaml</filename> as a Nix attribute set.
'';
};
};
config = mkIf (cfg.enable) {
virtualisation.oci-containers.containers.zigbee2mqtt = {
image = "koenkk/zigbee2mqtt:1.18.1";
volumes = [
"${cfg.dataDir}:/app/data"
#"/run/udev:/run/udev:ro"
];
extraOptions = [
"--device=${cfg.config.serial.port}" # /dev/ttyUSB0
"--network=host"
#"--privileged=true"
];
environment = { TZ = "Europe/Amsterdam"; };
#ports = [ "127.0.0.1:${toString frontPort}:80" ];
};
# create config before staring container
systemd.services.docker-zigbee2mqtt = {
preStart = ''
cp --no-preserve=mode ${configFile} "${cfg.dataDir}/configuration.yaml"
'';
};
#systemd.services.zigbee2mqtt = {
# description = "Zigbee2mqtt Service";
# wantedBy = [ "multi-user.target" ];
# after = [ "network.target" ];
# environment.ZIGBEE2MQTT_DATA = cfg.dataDir;
# serviceConfig = {
# ExecStart = "${cfg.package}/bin/zigbee2mqtt";
# User = "zigbee2mqtt";
# WorkingDirectory = cfg.dataDir;
# Restart = "on-failure";
# ProtectSystem = "strict";
# ReadWritePaths = cfg.dataDir;
# PrivateTmp = true;
# RemoveIPC = true;
# };
# preStart = ''
# cp --no-preserve=mode ${configFile} "${cfg.dataDir}/configuration.yaml"
# '';
#};
#users.users.zigbee2mqtt = {
# home = cfg.dataDir;
# createHome = true;
# group = "zigbee2mqtt";
# extraGroups = [ "dialout" ];
# uid = config.ids.uids.zigbee2mqtt;
#};
#users.groups.zigbee2mqtt.gid = config.ids.gids.zigbee2mqtt;
};
}