nixpkgs/nixos/modules/services/networking/v2ray.nix

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{ config, lib, pkgs, ... }:
with lib;
{
options = {
services.v2ray = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Whether to run v2ray server.
Either <literal>configFile</literal> or <literal>config</literal> must be specified.
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'';
};
configFile = mkOption {
type = types.nullOr types.str;
default = null;
example = "/etc/v2ray/config.json";
description = ''
The absolute path to the configuration file.
Either <literal>configFile</literal> or <literal>config</literal> must be specified.
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See <link xlink:href="https://v2ray.com/en/configuration/overview.html"/>.
'';
};
config = mkOption {
type = types.nullOr (types.attrsOf types.unspecified);
default = null;
example = {
inbounds = [{
port = 1080;
listen = "127.0.0.1";
protocol = "http";
}];
outbounds = [{
protocol = "freedom";
}];
};
description = ''
The configuration object.
Either `configFile` or `config` must be specified.
See <link xlink:href="https://v2ray.com/en/configuration/overview.html"/>.
'';
};
};
};
config = let
cfg = config.services.v2ray;
configFile = if cfg.configFile != null
then cfg.configFile
else pkgs.writeTextFile {
name = "v2ray.json";
text = builtins.toJSON cfg.config;
checkPhase = ''
${pkgs.v2ray}/bin/v2ray -test -config $out
'';
};
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in mkIf cfg.enable {
assertions = [
{
assertion = (cfg.configFile == null) != (cfg.config == null);
message = "Either but not both `configFile` and `config` should be specified for v2ray.";
}
];
systemd.services.v2ray = {
description = "v2ray Daemon";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
path = [ pkgs.v2ray ];
script = ''
exec v2ray -config ${configFile}
'';
};
};
}