121 lines
3.2 KiB
Nix
121 lines
3.2 KiB
Nix
self: {
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lib,
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pkgs,
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utils,
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config,
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...
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}: let
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cfg = config.services.musicomp;
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inherit (lib) types;
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inherit (utils.systemdUtils.unitOptions) unitOption;
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in {
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options.services.musicomp.jobs = lib.mkOption {
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description = ''
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Compression jobs to run with musicomp.
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'';
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default = {};
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type = types.attrsOf (types.submodule {
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options = {
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music = lib.mkOption {
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type = types.str;
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description = ''
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Source directory.
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'';
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example = "/srv/music";
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};
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comp = lib.mkOption {
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type = types.str;
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description = ''
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Destination directory for compressed music.
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'';
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example = "/srv/comp";
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};
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post = lib.mkOption {
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type = types.lines;
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default = "";
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description = ''
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Shell commands that are run after compression has finished.
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'';
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};
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workers = lib.mkOption {
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type = lib.types.int;
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default = 0;
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description = ''
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Number of workers. A number less than 1 means that musicomp will use the amount of available processor threads.
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'';
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};
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timerConfig = lib.mkOption {
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type = lib.types.nullOr (lib.types.attrsOf unitOption);
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default = {
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OnCalendar = "daily";
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Persistent = true;
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};
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description = ''
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When to run the job.
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'';
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};
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package = lib.mkPackageOption self.packages.${pkgs.system} "musicomp" {};
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inhibitsSleep = lib.mkOption {
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default = false;
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type = lib.types.bool;
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example = true;
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description = ''
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Prevents the system from sleeping while running the job.
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'';
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};
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};
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});
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};
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config = {
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systemd = lib.mkMerge (
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lib.mapAttrsToList (
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jobName: job:
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let
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systemdName = "musicomp-job-${jobName}";
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description = "musicomp job ${jobName}";
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in
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{
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timers.${systemdName} = {
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wantedBy = [ "timers.target" ];
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inherit description;
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inherit (job) timerConfig;
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};
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services.${systemdName} = {
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inherit description;
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serviceConfig = {
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Type = "oneshot";
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User = "root";
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Group = "root";
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};
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script = ''
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${lib.optionalString job.inhibitsSleep ''
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${lib.getExe' config.systemd.package "systemd-inhibit"} \
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--mode block \
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--who ${lib.escapeShellArg systemdName} \
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--what sleep \
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--why ${lib.escapeShellArg "Scheduled musicomp job ${jobName}"}
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''}
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${lib.getExe job.package} \
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${lib.optionalString (job.workers > 0) "--workers ${lib.escapeShellArg job.workers}"} \
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--verbose \
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-- ${lib.escapeShellArg job.music} ${lib.escapeShellArg job.comp}
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'';
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postStart = job.post;
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};
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}
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) cfg.jobs
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);
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};
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}
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