Files
nixos/modules/nixos/container.nix
T

91 lines
2.1 KiB
Nix

{
config,
lib,
top,
overlays,
...
}:
let
cfg = config.greg.containers;
# Create a container with all our default settings
makeContainer =
_: container:
let
agekey = "/etc/ssh/agenix_key";
in
{
autoStart = true;
timeoutStartSec = "20min";
hostAddress = "192.168.${container.subnet}.1";
localAddress = "192.168.${container.subnet}.2";
privateNetwork = true;
bindMounts = {
"${agekey}".hostPath = "/etc/ssh/ssh_host_ed25519_key"; # This is needed for agenix to
};
enableTun = container.tailscale;
config =
{ ... }:
{
imports = [
top.agenix.nixosModules.default
top.self.modules.nixosModule
container.builder
];
_module.args.self = null; # Prevents containers from getting builder access
nixpkgs.overlays = overlays;
networking = {
firewall.enable = true;
useHostResolvConf = lib.mkForce false;
};
age.identityPaths = [ agekey ];
greg.tailscale.enable = container.tailscale;
};
};
in
{
options.greg.containers = lib.mkOption {
default = { };
type =
with lib.types;
attrsOf (submodule ({
options = {
tailscale = lib.mkOption {
type = bool;
default = false;
description = "Enable tailscale in the container";
};
subnet = lib.mkOption {
type = str;
default = "200";
};
builder = lib.mkOption {
default = { ... }: { };
description = ''
This needs to be a function, like the one for
a container's config. It will setup the core system above the
defaults set in this module.
'';
example = ''
{ pkgs, config, lib, ... } :
{
services.openssh.enable = true;
}
'';
};
};
}));
};
config = {
containers = builtins.mapAttrs makeContainer cfg;
};
}