91 lines
2.6 KiB
Nix
91 lines
2.6 KiB
Nix
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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.home-assistant;
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configFile = pkgs.writeText "configuration.yaml" (builtins.toJSON cfg.config);
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in {
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meta.maintainers = with maintainers; [ dotlambda ];
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options.services.home-assistant = {
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enable = mkEnableOption "Home Assistant";
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configDir = mkOption {
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default = "/var/lib/hass";
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type = types.path;
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description = "The config directory, where your <filename>configuration.yaml</filename> is located.";
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};
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config = mkOption {
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default = null;
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type = with types; nullOr attrs;
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example = literalExample ''
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{
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homeassistant = {
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name = "Home";
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time_zone = "UTC";
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};
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frontend = { };
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http = { };
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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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Beware that setting this option will delete your previous <filename>configuration.yaml</filename>.
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'';
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};
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package = mkOption {
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default = pkgs.home-assistant;
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defaultText = "pkgs.home-assistant";
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type = types.package;
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example = literalExample ''
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pkgs.home-assistant.override {
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extraPackages = ps: with ps; [ colorlog ];
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}
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'';
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description = ''
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Home Assistant package to use.
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Most Home Assistant components require additional dependencies,
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which are best specified by overriding <literal>pkgs.home-assistant</literal>.
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You can find the dependencies by searching for failed imports in your log or by looking at this list:
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<link xlink:href="https://github.com/home-assistant/home-assistant/blob/master/requirements_all.txt"/>
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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.home-assistant = {
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description = "Home Assistant";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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preStart = lib.optionalString (cfg.config != null) ''
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rm -f ${cfg.configDir}/configuration.yaml
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ln -s ${configFile} ${cfg.configDir}/configuration.yaml
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'';
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serviceConfig = {
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ExecStart = ''
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${cfg.package}/bin/hass --config "${cfg.configDir}"
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'';
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User = "hass";
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Group = "hass";
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Restart = "on-failure";
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ProtectSystem = "strict";
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ReadWritePaths = "${cfg.configDir}";
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PrivateTmp = true;
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};
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};
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users.extraUsers.hass = {
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home = cfg.configDir;
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createHome = true;
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group = "hass";
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uid = config.ids.uids.hass;
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};
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users.extraGroups.hass.gid = config.ids.gids.hass;
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};
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}
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