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ec16f4fd5b
Previously systemd-networkd.service ran as systemd-network:nogroup. The wireguard private key file is now owned by root:systemd-network with mode 0640. It is therefore required that the systemd-network user is in the group with the same name, so that it is able to read the key file.
85 lines
2.8 KiB
Nix
85 lines
2.8 KiB
Nix
let generateNodeConf = { lib, pkgs, config, privk, pubk, peerId, nodeId, ...}: {
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imports = [ common/user-account.nix ];
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systemd.services.systemd-networkd.environment.SYSTEMD_LOG_LEVEL = "debug";
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networking.useNetworkd = true;
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networking.useDHCP = false;
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networking.firewall.enable = false;
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virtualisation.vlans = [ 1 ];
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environment.systemPackages = with pkgs; [ wireguard-tools ];
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boot.extraModulePackages = [ config.boot.kernelPackages.wireguard ];
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systemd.tmpfiles.rules = [
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"f /run/wg_priv 0640 root systemd-network - ${privk}"
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];
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systemd.network = {
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enable = true;
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netdevs = {
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"90-wg0" = {
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netdevConfig = { Kind = "wireguard"; Name = "wg0"; };
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wireguardConfig = {
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PrivateKeyFile = "/run/wg_priv";
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ListenPort = 51820;
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FwMark = 42;
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};
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wireguardPeers = [ {wireguardPeerConfig={
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Endpoint = "192.168.1.${peerId}:51820";
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PublicKey = pubk;
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PresharedKeyFile = pkgs.writeText "psk.key" "yTL3sCOL33Wzi6yCnf9uZQl/Z8laSE+zwpqOHC4HhFU=";
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AllowedIPs = [ "10.0.0.${peerId}/32" ];
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PersistentKeepalive = 15;
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};}];
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};
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};
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networks = {
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"99-nope" = {
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matchConfig.Name = "eth*";
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linkConfig.Unmanaged = true;
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};
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"90-wg0" = {
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matchConfig = { Name = "wg0"; };
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address = [ "10.0.0.${nodeId}/32" ];
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routes = [
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{ routeConfig = { Gateway = "10.0.0.${nodeId}"; Destination = "10.0.0.0/24"; }; }
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];
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};
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"90-eth1" = {
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matchConfig = { Name = "eth1"; };
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address = [ "192.168.1.${nodeId}/24" ];
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};
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};
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};
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};
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in import ./make-test-python.nix ({pkgs, ... }: {
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name = "networkd-wireguard";
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meta = with pkgs.stdenv.lib.maintainers; {
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maintainers = [ ninjatrappeur ];
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};
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nodes = {
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node1 = { pkgs, ... }@attrs:
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let localConf = {
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privk = "GDiXWlMQKb379XthwX0haAbK6hTdjblllpjGX0heP00=";
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pubk = "iRxpqj42nnY0Qz8MAQbSm7bXxXP5hkPqWYIULmvW+EE=";
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nodeId = "1";
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peerId = "2";
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};
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in generateNodeConf (attrs // localConf);
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node2 = { pkgs, ... }@attrs:
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let localConf = {
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privk = "eHxSI2jwX/P4AOI0r8YppPw0+4NZnjOxfbS5mt06K2k=";
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pubk = "27s0OvaBBdHoJYkH9osZpjpgSOVNw+RaKfboT/Sfq0g=";
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nodeId = "2";
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peerId = "1";
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};
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in generateNodeConf (attrs // localConf);
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};
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testScript = ''
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start_all()
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node1.wait_for_unit("systemd-networkd-wait-online.service")
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node2.wait_for_unit("systemd-networkd-wait-online.service")
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node1.succeed("ping -c 5 10.0.0.2")
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node2.succeed("ping -c 5 10.0.0.1")
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# Is the fwmark set?
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node2.succeed("wg | grep -q 42")
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'';
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})
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