infrastructure/hive.nix
2023-07-24 09:50:17 +02:00

57 lines
1.6 KiB
Nix

let
sources = import ./npins;
metadata = import ./meta;
lib = import (sources.nix-lib + "/trivial.nix");
mkNode = node: { name, nodes, ... }: {
# Import the base configuration for each node
imports = builtins.map (lib.mkRel ./machines/${node}) [
"_configuration.nix"
"_hardware-configuration.nix"
];
# Include default secrets
dgn-secrets.sources = [ ./machines/${node}/secrets ];
# Deployment config is specified in meta.nodes.${node}.deployment
inherit (metadata.nodes.${node}) deployment;
# Set NIX_PATH to the patched version of nixpkgs
nix.nixPath = [ "nixpkgs=${mkNixpkgs node}" ];
# Use the stateVersion declared in the metadata
system = { inherit (metadata.nodes.${node}) stateVersion; };
};
mkNixpkgs = node:
let version = "nixos-${metadata.nodes.${node}.nixpkgs}"; in
(import sources.${version} { }).applyPatches {
name = "${version}-patched";
src = sources.${version};
patches = (import ./nix-patches).${version} or [ ];
};
mkNixpkgs' = node: import (mkNixpkgs node) { };
mkArgs = node: {
dgn-lib = import sources.nix-lib { inherit ((mkNixpkgs' node)) lib; keysRoot = ./keys; metaRoot = ./meta; };
};
nodes = builtins.attrNames metadata.nodes;
in
{
meta = {
nodeNixpkgs = lib.mapSingleFuse mkNixpkgs' nodes;
specialArgs = { inherit sources; meta = metadata; };
nodeSpecialArgs = lib.mapSingleFuse mkArgs nodes;
};
defaults = { ... }: {
# Import the default modules
imports = [ ./modules ];
};
} // (lib.mapSingleFuse mkNode nodes)