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{ config, lib, pkgs, ... }:
with lib;
{
options = {
services.xray = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Whether to run xray server.
Either `settingsFile` or `settings` must be specified.
'';
};
package = mkPackageOption pkgs "xray" { };
settingsFile = mkOption {
type = types.nullOr types.path;
default = null;
example = "/etc/xray/config.json";
description = ''
The absolute path to the configuration file.
Either `settingsFile` or `settings` must be specified.
See <https://www.v2fly.org/en_US/config/overview.html>.
'';
};
settings = 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 `settingsFile` or `settings` must be specified.
See <https://www.v2fly.org/en_US/config/overview.html>.
'';
};
};
};
config = let
cfg = config.services.xray;
settingsFile = if cfg.settingsFile != null
then cfg.settingsFile
else pkgs.writeTextFile {
name = "xray.json";
text = builtins.toJSON cfg.settings;
checkPhase = ''
${cfg.package}/bin/xray -test -config $out
'';
};
in mkIf cfg.enable {
assertions = [
{
assertion = (cfg.settingsFile == null) != (cfg.settings == null);
message = "Either but not both `settingsFile` and `settings` should be specified for xray.";
}
];
systemd.services.xray = {
description = "xray Daemon";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
DynamicUser = true;
ExecStart = "${cfg.package}/bin/xray -config ${settingsFile}";
CapabilityBoundingSet = "CAP_NET_ADMIN CAP_NET_BIND_SERVICE";
AmbientCapabilities = "CAP_NET_ADMIN CAP_NET_BIND_SERVICE";
NoNewPrivileges = true;
};
};
};
}
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