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{ inputs, config, lib, pkgs, ... }:
{
deployment.targetHost = config.networking.secondaryIP4;
#this enables the following services: restic-server
deployment.tags = [ "resticServer" ];
imports = [
./hardware-configuration.nix
./impermanence.nix
# syncthing (and it's backup)
./syncthing.nix
# fedi server
./gotosocial.nix
./smarthome
./scanner-sftp.nix
./websites
];
dns.zones."ctu.cx".subdomains."${config.networking.hostName}.home" = lib.mkIf config.networking.usePBBUplink (pkgs.dns.lib.combinators.host config.networking.primaryIP4 config.networking.primaryIP);
dns.zones."ctu.cx".subdomains."${config.networking.hostName}".CNAME = lib.mkIf config.networking.usePBBUplink [ "${config.networking.hostName}.home" ];
dns.zones."ctu.cx".subdomains."home".CNAME = lib.mkIf config.networking.usePBBUplink [ "${config.networking.hostName}.home" ];
age.secrets = {
restic-server-briefkasten.file = ../../secrets/restic-server/briefkasten.age;
restic-server-wanderduene.file = ../../secrets/restic-server/wanderduene.age;
wireguard-privkey.file = ./. + "/../../secrets/${config.networking.hostName}/wireguard-privkey.age";
};
boot = {
kernel.sysctl = {
"net.ipv6.conf.all.forwarding" = true;
"net.ipv4.conf.all.forwarding" = true;
"net.ipv6.conf.enp1s0.forwarding" = lib.mkIf config.networking.usePBBUplink 0;
"net.ipv6.conf.enp1s0.autoconf" = lib.mkIf config.networking.usePBBUplink 0;
"net.ipv6.conf.enp1s0.accept_ra" = lib.mkIf config.networking.usePBBUplink 0;
};
kernelModules = [ "intel_rapl_common" ];
# seems to make realtek ethernet faster?
kernelParams = [
"pcie_aspm=off"
];
loader = {
systemd-boot.enable = true;
efi.canTouchEfiVariables = true;
};
initrd.network = {
enable = true;
ssh = {
enable = true;
port = 22;
hostKeys = [ /etc/ssh/ssh_host_rsa_key ];
authorizedKeys = with lib; concatLists (mapAttrsToList (name: user: if elem "wheel" user.extraGroups then user.openssh.authorizedKeys.keys else []) config.users.users);
};
postCommands = ''
echo 'cryptsetup-askpass' >> /root/.profile
'' + lib.optionalString config.networking.usePBBUplink ''
sysctl -w net.ipv6.conf.enp1s0.autoconf=0
sysctl -w net.ipv6.conf.enp1s0.accept_ra=0
'' + ''
ip link set dev enp1s0 up
ip addr add ${config.networking.primaryIP4}/28 dev enp1s0
ip addr add ${config.networking.secondaryIP4}/8 dev enp1s0
ip route add default via 195.39.246.41 dev enp1s0 onlink
'' + lib.optionalString config.networking.usePBBUplink ''
ip addr add ${config.networking.primaryIP}/128 dev enp1s0
ip route add default via 2a0f:4ac0:acab::1 dev enp1s0 onlink
'';
};
};
nix.optimise.automatic = false;
nix.gc.automatic = false;
systemd.network.networks = {
"40-enp1s0".networkConfig.IPv6AcceptRA = lib.mkIf config.networking.usePBBUplink false;
};
services.logind.extraConfig = ''
# don’t shutdown when power button is short-pressed
HandlePowerKey=ignore
'';
services.udev.extraRules = ''
ACTION=="add", SUBSYSTEM=="net", ENV{INTERFACE}=="iphone", RUN+="${pkgs.systemd}/bin/networkctl up bruplink",
'';
systemd.network.links."10-iphone" = {
matchConfig.PermanentMACAddress = "aa:ab:b5:18:95:d9";
linkConfig.Name = "iphone";
};
networking = {
useNetworkd = true;
usePBBUplink = true;
primaryIP = "2a0f:4ac0:acab::45";
primaryIP4 = "195.39.246.45";
secondaryIP4 = "10.0.0.45";
domain = "home.ctu.cx";
nameservers = [ "195.39.246.41" "2a0f:4ac0:acab::1" ];
defaultGateway.address = "195.39.246.41";
defaultGateway.interface = "enp1s0";
defaultGateway6 = lib.mkIf config.networking.usePBBUplink{
address = "2a0f:4ac0:acab::1";
interface = "enp1s0";
};
vlans.vlan10 = {
id = 10;
interface = "enp1s0";
};
bridges.bruplink = {
interfaces = [ "vlan10" "iphone" ];
};
interfaces.enp1s0 = {
ipv4.addresses = [
(lib.mkIf config.networking.usePBBUplink {
address = config.networking.primaryIP4;
prefixLength = 28;
})
{
address = config.networking.secondaryIP4;
prefixLength = 8;
}
];
ipv6.addresses = lib.mkIf config.networking.usePBBUplink [{
address = config.networking.primaryIP;
prefixLength = 62;
}];
};
wireguard = {
enable = true;
interfaces.wg-wanderduene = {
listenPort = 51820;
privateKeyFile = config.age.secrets.wireguard-privkey.path;
generatePrivateKeyFile = true;
postSetup = "ip link set dev wg-wanderduene mtu 1500";
ips = [ "172.17.0.2/24" ];
peers = [
{
persistentKeepalive = 10;
endpoint = "46.38.253.139:51821";
allowedIPs = [ "172.17.0.0/24" ];
publicKey = "hOUeP8RFchzJXyy8DceTFKN9f1VHi9GzZQii0dX2zww=";
}
];
};
};
firewall.allowedTCPPorts = [ 5201 ];
firewall.allowedUDPPorts = [ 5201 51820 ];
firewall.trustedInterfaces = [ "wg-wanderduene" "vlan10" "bruplink" ];
firewall.extraCommands = ''
iptables -A nixos-fw -p tcp -s 10.0.0.0/8 -j nixos-fw-accept
iptables -A nixos-fw -p udp -s 10.0.0.0/8 -j nixos-fw-accept
iptables -A nixos-fw -p tcp -s 195.39.246.32/28 -j nixos-fw-accept
iptables -A nixos-fw -p udp -s 195.39.246.32/28 -j nixos-fw-accept
ip6tables -A nixos-fw -p tcp -s 2a0f:4ac0:acab::/48 -j nixos-fw-accept
ip6tables -A nixos-fw -p udp -s 2a0f:4ac0:acab::/48 -j nixos-fw-accept
'';
};
services = {
usbmuxd.enable = true;
email-notify.enable = true;
nginx.virtualHosts."${config.networking.fqdn}" = {
enableACME = lib.mkIf (config.networking.usePBBUplink == false) false;
forceSSL = lib.mkIf (config.networking.usePBBUplink == false) false;
kTLS = lib.mkIf (config.networking.usePBBUplink == false) false;
};
nginx.virtualHosts."restic.${config.networking.hostName}.ctu.cx" = {
enableACME = lib.mkIf (config.networking.usePBBUplink == false) false;
forceSSL = lib.mkIf (config.networking.usePBBUplink == false) false;
kTLS = lib.mkIf (config.networking.usePBBUplink == false) false;
};
};
ctucxConfig = {
programs.yt-dlp.enable = true;
programs.ocrmypdf.enable = true;
};
system.stateVersion = "22.11"; # Did you read the comment?
home-manager.users.leah.home.stateVersion = "22.11";
}