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105 lines
2.6 KiB
Nix
105 lines
2.6 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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pkg = pkgs.ostinato;
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cfg = config.services.ostinato;
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configFile = pkgs.writeText "drone.ini" ''
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[General]
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RateAccuracy=${cfg.rateAccuracy}
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[RpcServer]
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Address=${cfg.rpcServer.address}
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[PortList]
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Include=${concatStringsSep "," cfg.portList.include}
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Exclude=${concatStringsSep "," cfg.portList.exclude}
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'';
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in
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{
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###### interface
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options = {
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services.ostinato = {
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enable = mkEnableOption (lib.mdDoc "Ostinato agent-controller (Drone)");
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port = mkOption {
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type = types.int;
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default = 7878;
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description = lib.mdDoc ''
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Port to listen on.
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'';
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};
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rateAccuracy = mkOption {
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type = types.enum [ "High" "Low" ];
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default = "High";
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description = lib.mdDoc ''
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To ensure that the actual transmit rate is as close as possible to
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the configured transmit rate, Drone runs a busy-wait loop.
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While this provides the maximum accuracy possible, the CPU
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utilization is 100% while the transmit is on. You can however,
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sacrifice the accuracy to reduce the CPU load.
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'';
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};
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rpcServer = {
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address = mkOption {
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type = types.str;
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default = "0.0.0.0";
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description = lib.mdDoc ''
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By default, the Drone RPC server will listen on all interfaces and
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local IPv4 adresses for incoming connections from clients. Specify
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a single IPv4 or IPv6 address if you want to restrict that.
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To listen on any IPv6 address, use ::
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'';
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};
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};
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portList = {
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include = mkOption {
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type = types.listOf types.str;
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default = [];
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example = [ "eth*" "lo*" ];
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description = lib.mdDoc ''
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For a port to pass the filter and appear on the port list managed
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by drone, it be allowed by this include list.
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'';
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};
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exclude = mkOption {
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type = types.listOf types.str;
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default = [];
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example = [ "usbmon*" "eth0" ];
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description = lib.mdDoc ''
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A list of ports does not appear on the port list managed by drone.
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'';
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};
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};
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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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environment.systemPackages = [ pkg ];
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systemd.services.drone = {
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description = "Ostinato agent-controller";
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wantedBy = [ "multi-user.target" ];
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script = ''
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${pkg}/bin/drone ${toString cfg.port} ${configFile}
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'';
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};
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};
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}
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