ingress/configuration.nix
2024-08-31 20:30:29 +02:00

110 lines
2.6 KiB
Nix

{
inputs,
lib,
config,
pkgs,
...
}:
let
ngx_http_geoip2_module = pkgs.stdenv.mkDerivation {
name = "ngx_http_geoip2_module-a28ceff";
src = pkgs.fetchgit {
url = "https://github.com/leev/ngx_http_geoip2_module";
rev = "445df24ef3781e488cee3dfe8a1e111997fc1dfe";
sha256 = "1h2xkxpb2nk4r3pkbzgas5rbl95i59jpa59rh94x2hyzxmzrzvv8";
};
installPhase = ''
mkdir $out
cp *.c config $out/
'';
fixupPhase = "";
};
instance = builtins.fromJSON (builtins.readFile "/etc/tjo.cloud/meta.json");
base_configuration = pkgs.fetchurl {
url = "";
sha256 = "";
};
in
{
system.stateVersion = "24.05";
# FIXME: Also import the pre-defined generator config.
imports = [
base_configuration
];
nix.nixPath = [ "nixos-config=/etc/tjo.cloud/configuration.nix" ];
# NETWORK
networking.hostName = instance.name;
networking.domain = instance.domain;
# USER MANAGEMENT
security.sudo.wheelNeedsPassword = false;
nix.settings.trusted-users = [ "nixos" ];
users.users.nixos = {
isNormalUser = true;
password = "hunter2";
extraGroups = [ "wheel" ];
openssh.authorizedKeys.keys = instance.ssh_keys;
};
# SSH
services.openssh = {
enable = true;
settings.PasswordAuthentication = false;
settings.KbdInteractiveAuthentication = false;
settings.PermitRootLogin = "no";
};
# TAILSCALE
services.tailscale = {
enable = true;
authKeyFile = "/etc/tjo.cloud/secrets/tailscale.com/authkey";
extraUpFlags = [
"--ssh"
"--accept-routes"
];
};
systemd.services.qemu-guest-agent.after = [ "tailscaled-autoconnect.service" ];
systemd.services.qemu-guest-agent.requires = [ "tailscaled-autoconnect.service" ];
# FIREWALL
networking.firewall = {
enable = true;
trustedInterfaces = [ "tailscale0" ];
allowedUDPPorts = [ config.services.tailscale.port ];
allowedTCPPorts = [
22
80
443
];
};
# NGINX
services.nginx = {
enable = true;
package = pkgs.nginx.overrideAttrs (oldAttrs: {
configureFlags = oldAttrs.configureFlags ++ [ "--add-module=${ngx_http_geoip2_module}" ];
buildInputs = oldAttrs.buildInputs ++ [ pkgs.libmaxminddb ];
});
};
# WEBHOOK
# TODO: we will have multiple instances of these,
# should they somehow broadcast changes to eachother?
# Should this be a GO service instead? With some raft mechanism?
# At that point, we could also switch from nginx to envoy or something...
services.webhook = {
enable = true;
port = 9000;
hooks = {
test = {
execute-command = "echo 'test'";
};
};
};
}