131 lines
4.1 KiB
Nix
131 lines
4.1 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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nncpCfgFile = "/run/nncp.hjson";
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programCfg = config.programs.nncp;
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callerCfg = config.services.nncp.caller;
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daemonCfg = config.services.nncp.daemon;
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settingsFormat = pkgs.formats.json { };
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jsonCfgFile = settingsFormat.generate "nncp.json" programCfg.settings;
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pkg = programCfg.package;
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in {
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options = {
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services.nncp = {
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caller = {
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enable = mkEnableOption ''
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cron'ed NNCP TCP daemon caller.
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The daemon will take configuration from
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[](#opt-programs.nncp.settings)
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'';
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extraArgs = mkOption {
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type = with types; listOf str;
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description = "Extra command-line arguments to pass to caller.";
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default = [ ];
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example = [ "-autotoss" ];
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};
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};
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daemon = {
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enable = mkEnableOption ''
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NNCP TCP synronization daemon.
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The daemon will take configuration from
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[](#opt-programs.nncp.settings)
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'';
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socketActivation = {
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enable = mkEnableOption ''
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Whether to run nncp-daemon persistently or socket-activated.
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'';
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listenStreams = mkOption {
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type = with types; listOf str;
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description = ''
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TCP sockets to bind to.
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See [](#opt-systemd.sockets._name_.listenStreams).
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'';
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default = [ "5400" ];
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};
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};
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extraArgs = mkOption {
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type = with types; listOf str;
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description = "Extra command-line arguments to pass to daemon.";
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default = [ ];
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example = [ "-autotoss" ];
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};
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};
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};
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};
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config = mkIf (programCfg.enable or callerCfg.enable or daemonCfg.enable) {
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assertions = [{
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assertion = with builtins;
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let
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callerCongfigured =
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let neigh = config.programs.nncp.settings.neigh or { };
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in lib.lists.any (x: hasAttr "calls" x && x.calls != [ ])
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(attrValues neigh);
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in !callerCfg.enable || callerCongfigured;
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message = "NNCP caller enabled but call configuration is missing";
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}];
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systemd.services."nncp-caller" = {
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inherit (callerCfg) enable;
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description = "Croned NNCP TCP daemon caller.";
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documentation = [ "http://www.nncpgo.org/nncp_002dcaller.html" ];
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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ExecStart = ''
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${pkg}/bin/nncp-caller -noprogress -cfg "${nncpCfgFile}" ${
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lib.strings.escapeShellArgs callerCfg.extraArgs
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}'';
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Group = "uucp";
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UMask = "0002";
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};
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};
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systemd.services."nncp-daemon" = mkIf daemonCfg.enable {
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enable = !daemonCfg.socketActivation.enable;
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description = "NNCP TCP syncronization daemon.";
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documentation = [ "http://www.nncpgo.org/nncp_002ddaemon.html" ];
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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ExecStart = ''
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${pkg}/bin/nncp-daemon -noprogress -cfg "${nncpCfgFile}" ${
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lib.strings.escapeShellArgs daemonCfg.extraArgs
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}'';
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Restart = "on-failure";
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Group = "uucp";
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UMask = "0002";
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};
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};
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systemd.services."nncp-daemon@" = mkIf daemonCfg.socketActivation.enable {
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description = "NNCP TCP syncronization daemon.";
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documentation = [ "http://www.nncpgo.org/nncp_002ddaemon.html" ];
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after = [ "network.target" ];
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serviceConfig = {
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ExecStart = ''
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${pkg}/bin/nncp-daemon -noprogress -ucspi -cfg "${nncpCfgFile}" ${
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lib.strings.escapeShellArgs daemonCfg.extraArgs
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}'';
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Group = "uucp";
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UMask = "0002";
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StandardInput = "socket";
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StandardOutput = "inherit";
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StandardError = "journal";
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};
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};
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systemd.sockets.nncp-daemon = mkIf daemonCfg.socketActivation.enable {
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inherit (daemonCfg.socketActivation) listenStreams;
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description = "socket for NNCP TCP syncronization.";
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conflicts = [ "nncp-daemon.service" ];
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wantedBy = [ "sockets.target" ];
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socketConfig.Accept = true;
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};
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};
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}
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