nixpkgs/nixos/modules/services/networking/gnunet.nix
2021-10-04 12:47:20 +02:00

171 lines
4.0 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.gnunet;
stateDir = "/var/lib/gnunet";
configFile = with cfg;
''
[PATHS]
GNUNET_HOME = ${stateDir}
GNUNET_RUNTIME_DIR = /run/gnunet
GNUNET_USER_RUNTIME_DIR = /run/gnunet
GNUNET_DATA_HOME = ${stateDir}/data
[ats]
WAN_QUOTA_IN = ${toString load.maxNetDownBandwidth} b
WAN_QUOTA_OUT = ${toString load.maxNetUpBandwidth} b
[datastore]
QUOTA = ${toString fileSharing.quota} MB
[transport-udp]
PORT = ${toString udp.port}
ADVERTISED_PORT = ${toString udp.port}
[transport-tcp]
PORT = ${toString tcp.port}
ADVERTISED_PORT = ${toString tcp.port}
${extraOptions}
'';
in
{
###### interface
options = {
services.gnunet = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Whether to run the GNUnet daemon. GNUnet is GNU's anonymous
peer-to-peer communication and file sharing framework.
'';
};
fileSharing = {
quota = mkOption {
type = types.int;
default = 1024;
description = ''
Maximum file system usage (in MiB) for file sharing.
'';
};
};
udp = {
port = mkOption {
type = types.port;
default = 2086; # assigned by IANA
description = ''
The UDP port for use by GNUnet.
'';
};
};
tcp = {
port = mkOption {
type = types.port;
default = 2086; # assigned by IANA
description = ''
The TCP port for use by GNUnet.
'';
};
};
load = {
maxNetDownBandwidth = mkOption {
type = types.int;
default = 50000;
description = ''
Maximum bandwidth usage (in bits per second) for GNUnet
when downloading data.
'';
};
maxNetUpBandwidth = mkOption {
type = types.int;
default = 50000;
description = ''
Maximum bandwidth usage (in bits per second) for GNUnet
when downloading data.
'';
};
hardNetUpBandwidth = mkOption {
type = types.int;
default = 0;
description = ''
Hard bandwidth limit (in bits per second) when uploading
data.
'';
};
};
package = mkOption {
type = types.package;
default = pkgs.gnunet;
defaultText = literalExpression "pkgs.gnunet";
description = "Overridable attribute of the gnunet package to use.";
example = literalExpression "pkgs.gnunet_git";
};
extraOptions = mkOption {
type = types.lines;
default = "";
description = ''
Additional options that will be copied verbatim in `gnunet.conf'.
See `gnunet.conf(5)' for details.
'';
};
};
};
###### implementation
config = mkIf config.services.gnunet.enable {
users.users.gnunet = {
group = "gnunet";
description = "GNUnet User";
uid = config.ids.uids.gnunet;
};
users.groups.gnunet.gid = config.ids.gids.gnunet;
# The user tools that talk to `gnunetd' should come from the same source,
# so install them globally.
environment.systemPackages = [ cfg.package ];
environment.etc."gnunet.conf".text = configFile;
systemd.services.gnunet = {
description = "GNUnet";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
restartTriggers = [ configFile ];
path = [ cfg.package pkgs.miniupnpc ];
serviceConfig.ExecStart = "${cfg.package}/lib/gnunet/libexec/gnunet-service-arm -c /etc/gnunet.conf";
serviceConfig.User = "gnunet";
serviceConfig.UMask = "0007";
serviceConfig.WorkingDirectory = stateDir;
serviceConfig.RuntimeDirectory = "gnunet";
serviceConfig.StateDirectory = "gnunet";
};
};
}