nixos-servers/nixos/physical.nix

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{ pkgs, config, lib, modulesPath, microvm, disko, agenix, machines, dns, ... }: {
imports = [
(modulesPath + "/installer/scan/not-detected.nix")
microvm.nixosModules.host
];
config = {
boot = {
kernelModules = [ "kvm-intel" ];
extraModulePackages = [ ];
initrd = {
availableKernelModules = [
"ahci"
"xhci_pci"
"nvme"
"usbhid"
"usb_storage"
"sd_mod"
"sdhci_pci"
];
kernelModules = [ ];
};
loader = {
systemd-boot.enable = true;
efi.canTouchEfiVariables = true;
};
};
nixpkgs = {
config.allowUnfree = true;
hostPlatform = "x86_64-linux";
};
hardware.cpu.intel.updateMicrocode = config.hardware.enableRedistributableFirmware;
age.identityPaths = [ "/etc/age_ed25519" ];
nix = {
package = pkgs.nixFlakes;
extraOptions = ''
experimental-features = nix-command flakes
'';
};
system = {
stateVersion = "23.05";
activationScripts.diff = ''
if [[ -e /run/current-system ]]; then
${pkgs.nix}/bin/nix store diff-closures /run/current-system "$systemConfig"
fi
'';
};
microvm.vms =
let
vmsForHypervisor = lib.filterAttrs (n: v: v.type == "virtual" && v.hypervisorName == config.networking.hostName) machines;
in
builtins.mapAttrs
(name: vm:
{
# TODO Simplify?
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specialArgs = { inherit agenix disko pkgs lib microvm dns; machine = vm; hypervisorConfig = config; };
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config.imports = [
./.
{ networking.hostName = name; }
];
}
)
vmsForHypervisor;
};
}