70 lines
1.9 KiB
Nix
70 lines
1.9 KiB
Nix
{ config, lib, pkgs, ... }:
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{
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options.c3d2.baremetal = lib.mkEnableOption "baremetal";
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config = let
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initrdEd2219Key = "/etc/ssh/initrd/ssh_host_ed25519_key";
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initrdRsaKey = "/etc/ssh/initrd/ssh_host_rsa_key";
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in lib.mkIf config.c3d2.baremetal {
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assertions = [
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{
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assertion = config.boot.initrd.network.ssh.enable -> (config.boot.initrd.availableKernelModules != []);
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message = "boot.initrd.availableKernelModules must be set for initrd networking to reliably work!";
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}
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];
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boot = {
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initrd.network = {
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enable = true;
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ssh = {
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# TODO: enable now per machine
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# enable = true;
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authorizedKeys = config.users.users.root.openssh.authorizedKeys.keys;
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hostKeys = [
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initrdEd2219Key
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initrdRsaKey
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];
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port = 4748;
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};
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postCommands = ''
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cat <<EOF > /root/.profile
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cryptsetup-askpass
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EOF
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'';
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};
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kernelParams = [
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# "boot.shell_on_fail"
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"zfs_force=1"
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];
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};
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environment.systemPackages = with pkgs; [
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lshw
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pciutils # lscpi
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smartmontools # for smartctl
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];
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nix.settings.system-features = [
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"kvm" "big-parallel" "nixos-test" "benchmark"
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];
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powerManagement.cpuFreqGovernor = "schedutil";
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services = {
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# just assume there are ssd's everywhere
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fstrim.enable = true;
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smartd.enable = true;
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};
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system.activationScripts.generateInitrdOpensshHostKeys = lib.mkIf config.boot.initrd.network.ssh.enable ''
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if [[ ! -e ${initrdEd2219Key} || ! -e ${initrdRsaKey} ]]; then
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echo "Generating initrd OpenSSH hostkeys..."
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mkdir -m700 -p /etc/ssh/initrd/
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${pkgs.openssh}/bin/ssh-keygen -t ed25519 -N "" -f ${initrdEd2219Key}
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${pkgs.openssh}/bin/ssh-keygen -t rsa -N "" -f ${initrdRsaKey}
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fi
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'';
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};
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}
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