infrastructure/hive.nix

78 lines
1.8 KiB
Nix

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