parent
85091e0181
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{ config, lib, pkgs, ... }: |
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with lib; |
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let |
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cfg = config.services.zigbee2mqtt; |
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configJSON = pkgs.writeText "configuration.json" |
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(builtins.toJSON (recursiveUpdate defaultConfig cfg.config)); |
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configFile = pkgs.runCommand "configuration.yaml" { preferLocalBuild = true; } '' |
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${pkgs.remarshal}/bin/json2yaml -i ${configJSON} -o $out |
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''; |
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# the default config contains all required settings, |
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# so the service starts up without crashing. |
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defaultConfig = { |
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homeassistant = false; |
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permit_join = false; |
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mqtt = { |
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base_topic = "zigbee2mqtt"; |
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server = "mqtt://localhost:1883"; |
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}; |
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serial.port = "/dev/ttyACM0"; |
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# put device configuration into separate file because configuration.yaml |
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# is copied from the store on startup |
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devices = "devices.yaml"; |
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}; |
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in |
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{ |
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meta.maintainers = with maintainers; [ sweber ]; |
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options.services.zigbee2mqtt = { |
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enable = mkEnableOption "enable zigbee2mqtt service"; |
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package = mkOption { |
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description = "Zigbee2mqtt package to use"; |
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default = pkgs.zigbee2mqtt.override { |
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dataDir = cfg.dataDir; |
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}; |
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defaultText = "pkgs.zigbee2mqtt"; |
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type = types.package; |
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}; |
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|
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dataDir = mkOption { |
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description = "Zigbee2mqtt data directory"; |
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default = "/var/lib/zigbee2mqtt"; |
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type = types.path; |
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}; |
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|
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config = mkOption { |
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default = {}; |
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type = with types; nullOr attrs; |
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example = literalExample '' |
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{ |
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homeassistant = config.services.home-assistant.enable; |
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permit_join = true; |
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serial = { |
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port = "/dev/ttyACM1"; |
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}; |
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} |
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''; |
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description = '' |
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Your <filename>configuration.yaml</filename> as a Nix attribute set. |
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''; |
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}; |
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}; |
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config = mkIf (cfg.enable) { |
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systemd.services.zigbee2mqtt = { |
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description = "Zigbee2mqtt Service"; |
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wantedBy = [ "multi-user.target" ]; |
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after = [ "network.target" ]; |
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serviceConfig = { |
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ExecStart = "${cfg.package}/bin/zigbee2mqtt"; |
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User = "zigbee2mqtt"; |
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WorkingDirectory = cfg.dataDir; |
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Restart = "on-failure"; |
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ProtectSystem = "strict"; |
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ReadWritePaths = cfg.dataDir; |
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PrivateTmp = true; |
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RemoveIPC = true; |
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}; |
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preStart = '' |
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cp --no-preserve=mode ${configFile} "${cfg.dataDir}/configuration.yaml" |
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''; |
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}; |
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users.users.zigbee2mqtt = { |
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home = cfg.dataDir; |
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createHome = true; |
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group = "zigbee2mqtt"; |
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extraGroups = [ "dialout" ]; |
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uid = config.ids.uids.zigbee2mqtt; |
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}; |
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users.groups.zigbee2mqtt.gid = config.ids.gids.zigbee2mqtt; |
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}; |
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} |
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