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framework-2024-11-25-00-02-03

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This commit is contained in:
Alexander Szczepanski
2024-11-25 00:02:03 +01:00
parent fe9beaa67b
commit a0f0e1a1f8
12 changed files with 103 additions and 405 deletions
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73
machine/vps-arm/configuration.nix
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@ -9,17 +9,6 @@
secrets = import ../../configs/secrets.nix;
be = import ../../configs/borg-exclude.nix;
in {
nixpkgs = {
overlays = [
outputs.overlays.additions
outputs.overlays.modifications
outputs.overlays.unstable-packages
];
config = {
allowUnfree = true;
};
};
imports = [
./hardware-configuration.nix
../../configs/common.nix
@ -80,18 +69,7 @@ in {
};
boot = {
loader = {
efi.canTouchEfiVariables = true;
grub = {
enable = true;
device = "nodev";
efiSupport = true;
enableCryptodisk = true;
};
};
kernelPackages = pkgs.linuxPackages_latest;
supportedFilesystems = ["btrfs"];
kernelParams = ["ip=dhcp"];
initrd = {
availableKernelModules = ["virtio-pci"];
@ -115,45 +93,6 @@ in {
preLVM = true;
};
};
postDeviceCommands = pkgs.lib.mkBefore ''
mkdir -p /mnt
# We first mount the btrfs root to /mnt
# so we can manipulate btrfs subvolumes.
mount -o subvol=/ /dev/mapper/lvm-root /mnt
# While we're tempted to just delete /root and create
# a new snapshot from /root-blank, /root is already
# populated at this point with a number of subvolumes,
# which makes `btrfs subvolume delete` fail.
# So, we remove them first.
#
# /root contains subvolumes:
# - /root/var/lib/portables
# - /root/var/lib/machines
#
# I suspect these are related to systemd-nspawn, but
# since I don't use it I'm not 100% sure.
# Anyhow, deleting these subvolumes hasn't resulted
# in any issues so far, except for fairly
# benign-looking errors from systemd-tmpfiles.
btrfs subvolume list -o /mnt/root |
cut -f9 -d' ' |
while read subvolume; do
echo "deleting /$subvolume subvolume..."
btrfs subvolume delete "/mnt/$subvolume"
done &&
echo "deleting /root subvolume..." &&
btrfs subvolume delete /mnt/root
echo "restoring blank /root subvolume..."
btrfs subvolume snapshot /mnt/root-blank /mnt/root
# Once we're done rolling back to a blank snapshot,
# we can unmount /mnt and continue on the boot process.
umount /mnt
'';
};
};
@ -210,23 +149,11 @@ in {
"/var/lib/gitea"
"/var/lib/headscale"
"/var/lib/nextcloud"
"/var/lib/nixos"
"/var/lib/postgresql"
"/var/lib/private"
"/var/lib/redis-nextcloud"
"/var/lib/tailscale"
"/var/lib/tuptime"
"/var/lib/vnstat"
"/var/www"
];
files = [
"/etc/machine-id"
"/etc/NIXOS"
"/etc/ssh/ssh_host_ed25519_key"
"/etc/ssh/ssh_host_ed25519_key.pub"
"/etc/ssh/ssh_host_rsa_key"
"/etc/ssh/ssh_host_rsa_key.pub"
];
};
};