112 lines
2.8 KiB
Nix
112 lines
2.8 KiB
Nix
# Module for MiniDLNA, a simple DLNA server.
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{ config, pkgs, ... }:
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with pkgs.lib;
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let
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cfg = config.services.minidlna;
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port = 8200;
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in
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{
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###### interface
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options = {
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services.minidlna.enable = mkOption {
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type = types.bool;
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default = false;
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description =
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''
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Whether to enable MiniDLNA, a simple DLNA server. It serves
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media files such as video and music to DLNA client devices
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such as televisions and media players.
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'';
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};
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services.minidlna.mediaDirs = mkOption {
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type = types.listOf types.string;
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default = [];
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examples = [ "/data/media" "V,/home/alice/video" ];
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description =
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''
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Directories to be scanned for media files. The prefixes
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<literal>A,</literal>, <literal>V,</literal> and
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<literal>P,</literal> restrict a directory to audio, video
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or image files. The directories must be accessible to the
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<literal>minidlna</literal> user account.
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'';
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};
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services.minidlna.config = mkOption {
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type = types.lines;
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description = "The contents of MiniDLNA's configuration file.";
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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# Running minidlna only makes sense for serving files to the
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# outside, so open up the required ports by default.
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networking.firewall.allowedTCPPorts = [ port ];
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networking.firewall.allowedUDPPorts = [ 1900 ]; # SSDP
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services.minidlna.config =
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''
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port=${toString port}
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friendly_name=NixOS Media Server
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db_dir=/var/cache/minidlna
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log_dir=/var/log/minidlna
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inotify=yes
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${concatMapStrings (dir: ''
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media_dir=${dir}
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'') cfg.mediaDirs}
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'';
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users.extraUsers.minidlna = {
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description = "MiniDLNA daemon user";
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group = "minidlna";
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uid = config.ids.uids.minidlna;
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};
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users.extraGroups.minidlna.gid = config.ids.gids.minidlna;
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systemd.services.minidlna =
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{ description = "MiniDLNA Server";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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preStart =
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''
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mkdir -p /var/cache/minidlna /var/log/minidlna /run/minidlna
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chown minidlna /var/cache/minidlna /var/log/minidlna /run/minidlna
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'';
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# FIXME: log through the journal rather than
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# /var/log/minidlna. The -d flag does that, but also raises
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# the log level to debug...
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serviceConfig =
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{ User = "minidlna";
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Group = "nogroup";
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PermissionsStartOnly = true;
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Type = "forking";
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PIDFile = "/run/minidlna/pid";
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ExecStart =
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"@${pkgs.minidlna}/sbin/minidlna minidlna -P /run/minidlna/pid" +
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" -f ${pkgs.writeText "minidlna.conf" cfg.config}";
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};
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};
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};
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}
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