102 lines
2.6 KiB
Nix
102 lines
2.6 KiB
Nix
{
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config,
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pkgs,
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lib,
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outputs,
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...
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}: {
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imports = [
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./hardware-configuration.nix
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../../configs/common-linux.nix
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../../configs/docker.nix
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../../configs/user.nix
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];
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sops = {
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defaultSopsFile = ../../secrets/secrets.yaml;
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validateSopsFiles = true;
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age = {
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sshKeyPaths = ["/persist/etc/ssh/ssh_host_ed25519_key"];
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generateKey = true;
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};
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};
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time.timeZone = "Europe/Berlin";
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boot = {
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initrd = {
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enable = true;
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postResumeCommands = lib.mkAfter ''
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mkdir -p /mnt
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# We first mount the btrfs root to /mnt
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# so we can manipulate btrfs subvolumes.
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mount -o subvol=/ /dev/sda2 /mnt
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# While we're tempted to just delete /root and create
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# a new snapshot from /root-blank, /root is already
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# populated at this point with a number of subvolumes,
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# which makes `btrfs subvolume delete` fail.
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# So, we remove them first.
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#
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# /root contains subvolumes:
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# - /root/var/lib/portables
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# - /root/var/lib/machines
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#
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# I suspect these are related to systemd-nspawn, but
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# since I don't use it I'm not 100% sure.
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# Anyhow, deleting these subvolumes hasn't resulted
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# in any issues so far, except for fairly
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# benign-looking errors from systemd-tmpfiles.
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btrfs subvolume list -o /mnt/root |
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cut -f9 -d' ' |
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while read subvolume; do
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echo "deleting /$subvolume subvolume..."
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btrfs subvolume delete "/mnt/$subvolume"
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done &&
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echo "deleting /root subvolume..." &&
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btrfs subvolume delete /mnt/root
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echo "restoring blank /root subvolume..."
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btrfs subvolume snapshot /mnt/root-blank /mnt/root
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# Once we're done rolling back to a blank snapshot,
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# we can unmount /mnt and continue on the boot process.
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umount /mnt
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'';
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};
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};
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networking = {
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networkmanager.enable = true;
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hostName = "nixos-virtualbox"; # Define your hostname.
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};
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nix.settings = {
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system-features = [
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"nixos-test"
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"benchmark"
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"big-parallel"
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"gccarch-znver3"
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];
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trusted-substituters = ["https://ai.cachix.org"];
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trusted-public-keys = ["ai.cachix.org-1:N9dzRK+alWwoKXQlnn0H6aUx0lU/mspIoz8hMvGvbbc="];
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};
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# nixpkgs.localSystem = {
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# gcc.arch = "znver3";
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# gcc.tune = "znver3";
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# system = "x86_64-linux";
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# };
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programs.nix-ld.enable = true;
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services = {
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# k3s = {
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# enable = true;
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# role = "server";
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# };
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};
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system.stateVersion = "24.11";
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}
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