infrastructure/hive.nix

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let
sources = import ./npins;
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metadata = import ./meta;
lib = import (sources.nix-lib + "/src/trivial.nix");
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mkNode = node:
{ name, nodes, pkgs, ... }: {
# Import the base configuration for each node
imports = builtins.map (lib.mkRel ./machines/${node}) [
"_configuration.nix"
"_hardware-configuration.nix"
];
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# Include default secrets
dgn-secrets.sources = [ ./machines/${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=${mkNixpkgs node}" ];
# Allow unfree packages
nixpkgs.config.allowUnfree = true;
# Use the stateVersion declared in the metadata
system = { inherit (metadata.nodes.${node}) stateVersion; };
};
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mkNixpkgs = node:
let
version = "nixos-${metadata.nodes.${node}.nixpkgs}";
pkgs = import sources.${version} { };
in pkgs.applyPatches {
name = "${version}-patched";
src = sources.${version};
patches = (import sources.nix-patches {
inherit pkgs;
patchFile = ./patches;
}).mkPatches version;
};
mkNixpkgs' = node: import (mkNixpkgs node) { };
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###
# Function to create arguments based on the node
#
mkArgs = node:
let lib' = (mkNixpkgs' node).lib;
in {
lib = lib' // {
extra = import sources.nix-lib {
lib = lib';
keysRoot = ./keys;
metaRoot = ./meta;
};
};
};
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nodes = builtins.attrNames metadata.nodes;
in {
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meta = {
nodeNixpkgs = lib.mapSingleFuse mkNixpkgs' nodes;
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specialArgs = {
inherit sources;
meta = metadata;
};
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nodeSpecialArgs = lib.mapSingleFuse mkArgs nodes;
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};
defaults = { pkgs, ... }: {
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# Import the default modules
imports = [ ./modules ];
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};
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} // (lib.mapSingleFuse mkNode nodes)