infrastructure/hive.nix

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Nix
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let
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sources' = import ./npins;
# Patch sources directly
sources = builtins.mapAttrs (patch.base { pkgs = import sources'.nixos-unstable { }; })
.applyPatches' sources';
lib = import (sources.nix-lib + "/src/trivial.nix");
lib' = (import sources.nixos-unstable { }).lib;
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nix-lib = import ./lib/nix-lib;
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patch = import ./lib/nix-patches { patchFile = ./patches; };
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nodes' = import ./meta/nodes.nix;
nodes = builtins.attrNames nodes';
mkNode = node: {
# Import the base configuration for each node
imports = builtins.map (lib.mkRel (./machines/${node})) [
"_configuration.nix"
"_hardware-configuration.nix"
];
deployment.systemType = systemType node;
};
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nixpkgs' = import ./meta/nixpkgs.nix;
# All supported nixpkgs versions, instanciated
nixpkgs = nix-lib.mapSingleFuse (
s: nix-lib.mapSingleFuse (mkSystemNixpkgs s) nixpkgs'.versions.supported
) nixpkgs'.systems.supported;
# Get the configured nixos version for the node,
# defaulting to the one defined in meta/nixpkgs
version = node: nodes'.${node}.nixpkgs or nixpkgs'.versions.default;
system = node: nodes'.${node}.system or nixpkgs'.systems.default;
systemType =
node:
nodes'.${node}.system
or (lib'.warn "Not specifying the `deployment.systemType` is deprecated!" "nixos");
# Builds a patched version of nixpkgs, only as the source
mkNixpkgs' =
v:
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patch.mkNixpkgsSrc rec {
src = sources'.${name};
name = "nixos-${v}";
};
mkNixpkgsConfigPerSystem =
system: _:
if system == "nixos" then
{ }
else
(import "${sources.liminix}/devices/${system}").system
// {
overlays = [ (import "${sources.liminix}/overlay.nix") ];
config = {
allowUnsupportedSystem = true; # mipsel
permittedInsecurePackages = [
"python-2.7.18.8" # Python < 3 is needed for kernel backports.
];
};
};
# Instanciate a specialized version of nixpkgs
mkSystemNixpkgs =
system: version:
let
args = mkNixpkgsConfigPerSystem system version;
in
import (mkNixpkgs' version) args;
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###
# Function to create arguments based on the node
#
mkArgs =
node:
let
pkgs = nixpkgs.${system node};
in
rec {
lib =
import sources.nix-lib {
inherit (pkgs.${version node}) lib;
nixpkgs = pkgs;
keysRoot = ./keys;
}
// {
extra = nix-lib;
};
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meta = (import ./meta) lib;
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nodeMeta = meta.nodes.${node};
};
in
{
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registry = {
zyxel-nwa50ax = {
evalConfig = import "${sources.liminix}/lib/eval-config.nix" {
nixpkgs = sources.nixos-unstable;
};
defaults = _: {
nixpkgs = {
source = sources.nixos-unstable;
config = {
allowUnsupportedSystem = true; # mipsel
permittedInsecurePackages = [
"python-2.7.18.8" # Python < 3 is needed for kernel backports.
];
};
hostPlatform = {
config = "mipsel-unknown-linux-musl";
gcc = {
abi = "32";
arch = "mips32"; # mips32r2?
};
};
# It's impure, but who cares?
# Can Flakes do that?
buildPlatform = builtins.currentSystem;
};
};
};
nixos = {
evalConfig = import "${sources.nixos-unstable}/nixos/lib/eval-config.nix";
defaults =
{ nodeMeta, 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 (nodeMeta) deployment;
nix = {
# Set NIX_PATH to the patched version of nixpkgs
nixPath = [ "nixpkgs=${mkNixpkgs' (version name)}" ];
optimise.automatic = true;
gc = {
automatic = true;
dates = "weekly";
options = "--delete-older-than 7d";
};
};
# Allow unfree packages
nixpkgs.config.allowUnfree = true;
# Use the stateVersion declared in the metadata
system = {
inherit (nodeMeta) stateVersion;
};
};
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};
};
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meta = {
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nodeNixpkgs = nix-lib.mapSingleFuse (n: nixpkgs.${version n}) nodes // {
ap01 = apNixpkgs;
};
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specialArgs = {
inherit nixpkgs sources;
dgn-keys = import ./keys;
};
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nodeSpecialArgs = nix-lib.mapSingleFuse mkArgs nodes;
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};
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ap01 =
let
device = import "${sources.liminix}/devices/zyxel-nwa50ax";
in
{
deployment.systemType = "liminix";
nixpkgs.hostPlatform = {
config = "mipsel-unknown-linux-musl";
gcc = {
abi = "32";
arch = "mips32"; # mips32r2?
};
};
nixpkgs.buildPlatform = "x86_64-linux";
imports = [
./machines/ap/configuration.nix
device.module
];
};
}
// (nix-lib.mapSingleFuse mkNode nodes)