Dmitriy Pleshevskiy
b703b69513
- make: fix rollback command - flake.lock: add disko module. - flake.lock: add impermanence module. - disko: add configuration to create luks-btrfs schema. - host/asus: add new filesystem configuration (luks-btrfs) - host/asus: mount user from old partition. - host/asus: add impermanence module to store system configuration.
55 lines
1.5 KiB
Nix
55 lines
1.5 KiB
Nix
{ lib, ... }:
|
|
|
|
{
|
|
# A setup which would clean root subvolume between boots remove automatically removed roots that
|
|
# are older than one day:
|
|
#
|
|
# Source: https://github.com/nix-community/impermanence
|
|
boot.initrd.postDeviceCommands = lib.mkAfter ''
|
|
mkdir /btrfs_tmp
|
|
mount /dev/mapper/luksroot /btrfs_tmp
|
|
if [[ -e /btrfs_tmp/root ]]; then
|
|
mkdir -p /btrfs_tmp/old_roots
|
|
timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/root)" "+%Y-%m-%-d_%H:%M:%S")
|
|
mv /btrfs_tmp/root "/btrfs_tmp/old_roots/$timestamp"
|
|
fi
|
|
|
|
delete_subvolume_recursively() {
|
|
IFS=$'\n'
|
|
for i in $(btrfs subvolume list -o "$1" | cut -f 9- -d ' '); do
|
|
delete_subvolume_recursively "/btrfs_tmp/$i"
|
|
done
|
|
btrfs subvolume delete "$1"
|
|
}
|
|
|
|
for i in $(find /btrfs_tmp/old_roots/ -maxdepth 1 -mtime +1); do
|
|
delete_subvolume_recursively "$i"
|
|
done
|
|
|
|
btrfs subvolume create /btrfs_tmp/root
|
|
umount /btrfs_tmp
|
|
rm -r /btrfs_tmp
|
|
'';
|
|
|
|
age.identityPaths = map (v: "/persistent/system/etc/ssh/${v}") [
|
|
"ssh_host_rsa_key"
|
|
"ssh_host_ed25519_key"
|
|
];
|
|
|
|
environment.persistence."/persistent/system" = {
|
|
hideMounts = true;
|
|
directories = [
|
|
"/var/lib/bluetooth"
|
|
"/var/lib/nixos"
|
|
"/var/lib/systemd/coredump"
|
|
"/etc/NetworkManager/system-connections"
|
|
];
|
|
files = [
|
|
"/etc/machine-id"
|
|
"/etc/ssh/ssh_host_rsa_key"
|
|
"/etc/ssh/ssh_host_rsa_key.pub"
|
|
"/etc/ssh/ssh_host_ed25519_key"
|
|
"/etc/ssh/ssh_host_ed25519_key.pub"
|
|
];
|
|
};
|
|
}
|