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|
{
config,
lib,
pkgs,
...
}:
let
inherit (lib)
attrNames
getExe
literalExpression
maintainers
mapAttrs'
mkDefault
mkEnableOption
mkIf
mkMerge
mkOption
mkPackageOption
nameValuePair
optional
versionOlder
;
inherit (lib.types)
attrsOf
port
str
submodule
;
kernel = config.boot.kernelPackages;
cfg = config.services.netbird;
in
{
meta.maintainers = with maintainers; [
misuzu
thubrecht
];
meta.doc = ./netbird.md;
options.services.netbird = {
enable = mkEnableOption "Netbird daemon";
package = mkPackageOption pkgs "netbird" { };
tunnels = mkOption {
type = attrsOf (
submodule (
{ name, config, ... }:
{
options = {
port = mkOption {
type = port;
default = 51820;
description = ''
Port for the ${name} netbird interface.
'';
};
environment = mkOption {
type = attrsOf str;
defaultText = literalExpression ''
{
NB_CONFIG = "/var/lib/''${stateDir}/config.json";
NB_LOG_FILE = "console";
NB_WIREGUARD_PORT = builtins.toString port;
NB_INTERFACE_NAME = name;
NB_DAMEON_ADDR = "/var/run/''${stateDir}"
}
'';
description = ''
Environment for the netbird service, used to pass configuration options.
'';
};
stateDir = mkOption {
type = str;
default = "netbird-${name}";
description = ''
Directory storing the netbird configuration.
'';
};
};
config.environment = builtins.mapAttrs (_: mkDefault) {
NB_CONFIG = "/var/lib/${config.stateDir}/config.json";
NB_LOG_FILE = "console";
NB_WIREGUARD_PORT = builtins.toString config.port;
NB_INTERFACE_NAME = name;
NB_DAEMON_ADDR = "unix:///var/run/${config.stateDir}/sock";
};
}
)
);
default = { };
description = ''
Attribute set of Netbird tunnels, each one will spawn a daemon listening on ...
'';
};
};
config = mkMerge [
(mkIf cfg.enable {
# For backwards compatibility
services.netbird.tunnels.wt0.stateDir = "netbird";
})
(mkIf (cfg.tunnels != { }) {
boot.extraModulePackages = optional (versionOlder kernel.kernel.version "5.6") kernel.wireguard;
environment.systemPackages = [ cfg.package ];
networking.dhcpcd.denyInterfaces = attrNames cfg.tunnels;
systemd.network.networks = mkIf config.networking.useNetworkd (
mapAttrs'
(
name: _:
nameValuePair "50-netbird-${name}" {
matchConfig = {
Name = name;
};
linkConfig = {
Unmanaged = true;
ActivationPolicy = "manual";
};
}
)
cfg.tunnels
);
systemd.services =
mapAttrs'
(
name:
{ environment, stateDir, ... }:
nameValuePair "netbird-${name}" {
description = "A WireGuard-based mesh network that connects your devices into a single private network";
documentation = [ "https://netbird.io/docs/" ];
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
path = with pkgs; [ openresolv ];
inherit environment;
serviceConfig = {
ExecStart = "${getExe cfg.package} service run";
Restart = "always";
RuntimeDirectory = stateDir;
StateDirectory = stateDir;
StateDirectoryMode = "0700";
WorkingDirectory = "/var/lib/${stateDir}";
};
unitConfig = {
StartLimitInterval = 5;
StartLimitBurst = 10;
};
stopIfChanged = false;
}
)
cfg.tunnels;
})
];
}
|