nixos-config/flake.nix

131 lines
3.5 KiB
Nix

{
description = "Fudo Host Configuration";
inputs = {
nixpkgs.url = "nixpkgs/nixos-21.05";
fudo-home = {
url = "path:/state/nixops/fudo-home";
inputs.nixpkgs.follows = "nixpkgs";
};
# This MUST be a clean git repo, because we use the timestamp.
fudo-entities = {
url = "git+https://git.fudo.org/nix/fudo-entities.git";
inputs.nixpkgs.follows = "nixpkgs";
};
fudo-lib = {
url = "path:/state/fudo-lib";
inputs.nixpkgs.follows = "nixpkgs";
};
fudo-pkgs.url = "path:/state/nixops/fudo-pkgs";
fudo-secrets.url = "path:/state/secrets";
};
outputs = { self,
nixpkgs,
fudo-home,
fudo-lib,
fudo-entities,
fudo-pkgs,
fudo-secrets,
... } @ inputs:
with nixpkgs.lib;
let
fudo-nixos-hosts = filterAttrs
(hostname: hostOpts: hostOpts.nixos-system)
(fudo-entities.entities.hosts);
fudo-networks = fudo-entities.entities.networks;
pkgs-for = arch: import nixpkgs {
system = arch;
config = {
allowUnfree = true;
permittedInsecurePackages = [
"openssh-with-gssapi-8.4p1"
];
};
overlays = [
fudo-lib.overlay
fudo-pkgs.overlay
];
};
latest-modified-timestamp = head
(sort (a: b: a > b)
(filter (timestamp: timestamp != null)
(map (input: toInt input.lastModifiedDate) inputs)));
concat-timestamp = timestamp:
toInt (substring 0 10 (toString timestamp));
common-host-config = hostname: hostOpts: let
config-dir = ./config;
build-timestamp =
concat-timestamp latest-modified-timestamp;
in { config, ... }: {
imports = [
fudo-home.nixosModule
fudo-secrets.nixosModule
fudo-lib.nixosModule
fudo-entities.nixosModule
./config
(config-dir + /hardware/${hostname}.nix)
(config-dir + /host-config/${hostname}.nix)
(config-dir + /profile-config/${hostOpts.profile}.nix)
(config-dir + /domain-config/${hostOpts.domain}.nix)
(config-dir + /site-config/${hostOpts.site}.nix)
];
config = {
instance = let
build-seed = builtins.readFile
config.fudo.secrets.files.build-seed;
in {
inherit hostname build-timestamp build-seed;
};
nix.registry = {
fudo-nixos.flake = self;
fudo-entities.flake = fudo-entities;
fudo-lib.flake = fudo-lib;
fudo-pkgs.flake = fudo-pkgs;
};
nixpkgs.pkgs = pkgs-for hostOpts.arch;
};
};
nixos-host-config = hostname: hostOpts: let
system = hostOpts.arch;
in nixosSystem {
inherit system;
modules = [
(common-host-config hostname hostOpts)
];
};
nixops-host-config = hostname: hostOpts: let
zone-hosts = fudo-entities.entities.zones.${hostOpts.domain}.hosts;
in {
imports = [
(common-host-config hostname hostOpts)
({ ... }: {
config.deployment.targetHost =
zone-hosts.${hostname}.ipv4-address;
})
];
};
in {
nixosConfigurations = mapAttrs nixos-host-config fudo-nixos-hosts;
nixopsHostConfigurations = mapAttrs nixops-host-config fudo-nixos-hosts;
};
}