60 lines
1.5 KiB
Nix
60 lines
1.5 KiB
Nix
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let
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sources = import ./npins;
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metadata = import ./meta.nix;
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defaultNixpkgs = importNixpkgsPath "x86_64-linux" sources."nixos-unstable";
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inherit (defaultNixpkgs) lib;
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revision = node: (builtins.fromJSON (builtins.readFile ./npins/sources.json)).pins.${pkgsVersion node}.revision;
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mkNode = node: {
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${node} = {
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name,
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nodes,
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...
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}: {
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imports = [./machines/${node}/_configuration.nix] ++ lib.attrByPath [ "imports" ] [] metadata.nodes.${node};
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inherit (metadata.nodes.${node}) deployment;
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nix.nixPath =
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builtins.map (n: "${n}=${sources.${n}}") (builtins.attrNames sources)
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++ ["nixpkgs=${mkNixpkgsPath name}"];
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system.nixos.tags = [
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(revision node)
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];
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};
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};
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pkgsVersion = node: lib.attrByPath [ node "nixpkgs" ] "nixos-unstable" metadata.nodes;
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mkNixpkgsPath = node: sources.${pkgsVersion node};
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mkNixpkgs = node: {
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${node} =
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importNixpkgsPath
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(lib.attrByPath [ "arch" ] "x86_64-linux" metadata.nodes.${node})
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(mkNixpkgsPath node);
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};
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importNixpkgsPath = arch: p: import p {
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config.allowUnfree = true;
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overlays = import ./pkgs/overlays.nix;
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system = arch;
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};
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nodes = builtins.attrNames metadata.nodes;
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concatAttrs = builtins.foldl' (x: y: x // y) {};
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in
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{
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meta = {
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specialArgs = {inherit metadata;};
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nixpkgs = defaultNixpkgs;
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nodeNixpkgs = concatAttrs (builtins.map mkNixpkgs nodes);
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specialArgs = {
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lib = lib;
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};
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};
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}
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// (concatAttrs (builtins.map mkNode nodes))
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