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204 lines
6.3 KiB
Nix
204 lines
6.3 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.mirakurun;
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mirakurun = pkgs.mirakurun;
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username = config.users.users.mirakurun.name;
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groupname = config.users.users.mirakurun.group;
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settingsFmt = pkgs.formats.yaml {};
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polkitRule = pkgs.writeTextDir "share/polkit-1/rules.d/10-mirakurun.rules" ''
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polkit.addRule(function (action, subject) {
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if (
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(action.id == "org.debian.pcsc-lite.access_pcsc" ||
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action.id == "org.debian.pcsc-lite.access_card") &&
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subject.user == "${username}"
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) {
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return polkit.Result.YES;
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}
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});
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'';
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in
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{
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options = {
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services.mirakurun = {
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enable = mkEnableOption (lib.mdDoc "the Mirakurun DVR Tuner Server");
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port = mkOption {
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type = with types; nullOr port;
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default = 40772;
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description = lib.mdDoc ''
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Port to listen on. If `null`, it won't listen on
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any port.
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'';
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};
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openFirewall = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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Open ports in the firewall for Mirakurun.
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::: {.warning}
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Exposing Mirakurun to the open internet is generally advised
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against. Only use it inside a trusted local network, or
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consider putting it behind a VPN if you want remote access.
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:::
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'';
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};
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unixSocket = mkOption {
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type = with types; nullOr path;
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default = "/var/run/mirakurun/mirakurun.sock";
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description = lib.mdDoc ''
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Path to unix socket to listen on. If `null`, it
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won't listen on any unix sockets.
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'';
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};
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allowSmartCardAccess = mkOption {
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type = types.bool;
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default = true;
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description = lib.mdDoc ''
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Install polkit rules to allow Mirakurun to access smart card readers
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which is commonly used along with tuner devices.
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'';
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};
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serverSettings = mkOption {
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type = settingsFmt.type;
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default = {};
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example = literalExpression ''
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{
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highWaterMark = 25165824;
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overflowTimeLimit = 30000;
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};
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'';
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description = lib.mdDoc ''
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Options for server.yml.
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Documentation:
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<https://github.com/Chinachu/Mirakurun/blob/master/doc/Configuration.md>
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'';
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};
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tunerSettings = mkOption {
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type = with types; nullOr settingsFmt.type;
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default = null;
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example = literalExpression ''
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[
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{
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name = "tuner-name";
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types = [ "GR" "BS" "CS" "SKY" ];
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dvbDevicePath = "/dev/dvb/adapterX/dvrX";
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}
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];
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'';
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description = lib.mdDoc ''
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Options which are added to tuners.yml. If none is specified, it will
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automatically be generated at runtime.
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Documentation:
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<https://github.com/Chinachu/Mirakurun/blob/master/doc/Configuration.md>
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'';
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};
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channelSettings = mkOption {
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type = with types; nullOr settingsFmt.type;
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default = null;
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example = literalExpression ''
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[
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{
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name = "channel";
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types = "GR";
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channel = "0";
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}
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];
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'';
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description = lib.mdDoc ''
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Options which are added to channels.yml. If none is specified, it
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will automatically be generated at runtime.
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Documentation:
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<https://github.com/Chinachu/Mirakurun/blob/master/doc/Configuration.md>
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'';
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};
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};
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};
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config = mkIf cfg.enable {
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environment.systemPackages = [ mirakurun ] ++ optional cfg.allowSmartCardAccess polkitRule;
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environment.etc = {
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"mirakurun/server.yml".source = settingsFmt.generate "server.yml" cfg.serverSettings;
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"mirakurun/tuners.yml" = mkIf (cfg.tunerSettings != null) {
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source = settingsFmt.generate "tuners.yml" cfg.tunerSettings;
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mode = "0644";
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user = username;
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group = groupname;
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};
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"mirakurun/channels.yml" = mkIf (cfg.channelSettings != null) {
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source = settingsFmt.generate "channels.yml" cfg.channelSettings;
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mode = "0644";
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user = username;
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group = groupname;
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};
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};
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networking.firewall = mkIf cfg.openFirewall {
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allowedTCPPorts = mkIf (cfg.port != null) [ cfg.port ];
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};
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users.users.mirakurun = {
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description = "Mirakurun user";
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group = "video";
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isSystemUser = true;
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};
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services.mirakurun.serverSettings = {
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logLevel = mkDefault 2;
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path = mkIf (cfg.unixSocket != null) cfg.unixSocket;
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port = mkIf (cfg.port != null) cfg.port;
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};
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systemd.tmpfiles.rules = [
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"d '/etc/mirakurun' - ${username} ${groupname} - -"
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];
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systemd.services.mirakurun = {
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description = mirakurun.meta.description;
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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serviceConfig = {
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ExecStart = "${mirakurun}/bin/mirakurun-start";
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User = username;
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Group = groupname;
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RuntimeDirectory="mirakurun";
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StateDirectory="mirakurun";
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Nice = -10;
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IOSchedulingClass = "realtime";
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IOSchedulingPriority = 7;
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};
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environment = {
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SERVER_CONFIG_PATH = "/etc/mirakurun/server.yml";
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TUNERS_CONFIG_PATH = "/etc/mirakurun/tuners.yml";
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CHANNELS_CONFIG_PATH = "/etc/mirakurun/channels.yml";
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SERVICES_DB_PATH = "/var/lib/mirakurun/services.json";
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PROGRAMS_DB_PATH = "/var/lib/mirakurun/programs.json";
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LOGO_DATA_DIR_PATH = "/var/lib/mirakurun/logos";
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NODE_ENV = "production";
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};
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restartTriggers = let
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getconf = target: config.environment.etc."mirakurun/${target}.yml".source;
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targets = [
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"server"
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] ++ optional (cfg.tunerSettings != null) "tuners"
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++ optional (cfg.channelSettings != null) "channels";
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in (map getconf targets);
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};
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};
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}
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