58d6951971
* nzbget: Fix configFile / dataDir checking in service script * nzbget: improve the description for the `configFile` option * nzbget: Add detail to the `configFile` option description * nzbget: Improve wording of `configFile` option * nzbget: Refactor dataDir management into systemd config * nzbget: Remove debug
120 lines
3.7 KiB
Nix
120 lines
3.7 KiB
Nix
{ config, pkgs, lib, ... }:
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with lib;
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let
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cfg = config.services.nzbget;
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dataDir = builtins.dirOf cfg.configFile;
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in {
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options = {
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services.nzbget = {
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enable = mkEnableOption "NZBGet";
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package = mkOption {
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type = types.package;
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default = pkgs.nzbget;
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defaultText = "pkgs.nzbget";
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description = "The NZBGet package to use";
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};
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dataDir = mkOption {
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type = types.str;
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default = "/var/lib/nzbget";
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description = "The directory where NZBGet stores its configuration files.";
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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 = ''
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Open ports in the firewall for the NZBGet web interface
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'';
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};
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user = mkOption {
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type = types.str;
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default = "nzbget";
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description = "User account under which NZBGet runs";
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};
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group = mkOption {
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type = types.str;
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default = "nzbget";
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description = "Group under which NZBGet runs";
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};
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configFile = mkOption {
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type = types.str;
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default = "/var/lib/nzbget/nzbget.conf";
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description = "Path for NZBGet's config file. (If this doesn't exist, the default config template is copied here.)";
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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.nzbget = {
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description = "NZBGet Daemon";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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path = with pkgs; [
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unrar
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p7zip
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];
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preStart = ''
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cfgtemplate=${cfg.package}/share/nzbget/nzbget.conf
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if [ ! -f ${cfg.configFile} ]; then
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echo "${cfg.configFile} not found. Copying default config $cfgtemplate to ${cfg.configFile}"
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install -m 0700 $cfgtemplate ${cfg.configFile}
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echo "Setting temporary \$MAINDIR variable in default config required in order to allow nzbget to complete initial start"
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echo "Remember to change this to a proper value once NZBGet startup has been completed"
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sed -i -e 's/MainDir=.*/MainDir=\/tmp/g' ${cfg.configFile}
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fi
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'';
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script = ''
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args="--daemon --configfile ${cfg.configFile}"
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# The script in preStart (above) copies nzbget's config template to datadir on first run, containing paths that point to the nzbget derivation installed at the time.
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# These paths break when nzbget is upgraded & the original derivation is garbage collected. If such broken paths are found in the config file, override them to point to
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# the currently installed nzbget derivation.
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cfgfallback () {
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local hit=`grep -Po "(?<=^$1=).*+" "${cfg.configFile}" | sed 's/[ \t]*$//'` # Strip trailing whitespace
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( test $hit && test -e $hit ) || {
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echo "In ${cfg.configFile}, valid $1 not found; falling back to $1=$2"
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args+=" -o $1=$2"
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}
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}
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cfgfallback ConfigTemplate ${cfg.package}/share/nzbget/nzbget.conf
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cfgfallback WebDir ${cfg.package}/share/nzbget/webui
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${cfg.package}/bin/nzbget $args
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'';
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serviceConfig = {
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StateDirectory = dataDir;
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StateDirectoryMode = "0700";
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Type = "forking";
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User = cfg.user;
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Group = cfg.group;
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PermissionsStartOnly = "true";
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Restart = "on-failure";
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};
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};
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networking.firewall = mkIf cfg.openFirewall {
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allowedTCPPorts = [ 8989 ];
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};
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users.users = mkIf (cfg.user == "nzbget") {
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nzbget = {
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group = cfg.group;
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uid = config.ids.uids.nzbget;
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};
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};
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users.groups = mkIf (cfg.group == "nzbget") {
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nzbget = {
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gid = config.ids.gids.nzbget;
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};
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};
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};
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}
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