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|
{
config,
lib,
pkgs,
utils,
...
}:
let
inherit (lib)
getExe'
mkEnableOption
mkIf
mkPackageOption
mkOption
;
inherit (lib.types) enum port str;
inherit (utils) escapeSystemdExecArgs;
cfg = config.services.netbird.server.signal;
in
{
options.services.netbird.server.signal = {
enable = mkEnableOption "Netbird's Signal Service";
package = mkPackageOption pkgs "netbird" { };
enableNginx = mkEnableOption "Nginx reverse-proxy for the netbird signal service.";
domain = mkOption {
type = str;
description = "The domain name for the signal service.";
};
port = mkOption {
type = port;
default = 8012;
description = "Internal port of the signal server.";
};
logLevel = mkOption {
type = enum [
"ERROR"
"WARN"
"INFO"
"DEBUG"
];
default = "INFO";
description = "Log level of the netbird signal service.";
};
};
config = mkIf cfg.enable {
systemd.services.netbird-signal = {
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
ExecStart = escapeSystemdExecArgs [
(getExe' cfg.package "netbird-signal")
"run"
# Port to listen on
"--port"
cfg.port
# Log to stdout
"--log-file"
"console"
# Log level
"--log-level"
cfg.logLevel
];
Restart = "always";
RuntimeDirectory = "netbird-mgmt";
StateDirectory = "netbird-mgmt";
WorkingDirectory = "/var/lib/netbird-mgmt";
# hardening
LockPersonality = true;
MemoryDenyWriteExecute = true;
NoNewPrivileges = true;
PrivateMounts = true;
PrivateTmp = true;
ProtectClock = true;
ProtectControlGroups = true;
ProtectHome = true;
ProtectHostname = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
ProtectSystem = true;
RemoveIPC = true;
RestrictNamespaces = true;
RestrictRealtime = true;
RestrictSUIDSGID = true;
};
stopIfChanged = false;
};
services.nginx = mkIf cfg.enableNginx {
enable = true;
virtualHosts.${cfg.domain} = {
locations."/signalexchange.SignalExchange/".extraConfig = ''
# This is necessary so that grpc connections do not get closed early
# see https://stackoverflow.com/a/67805465
client_body_timeout 1d;
grpc_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
grpc_pass grpc://localhost:${builtins.toString cfg.port};
grpc_read_timeout 1d;
grpc_send_timeout 1d;
grpc_socket_keepalive on;
'';
};
};
};
}
|