diff options
| author | Jakub Stachurski <j.stachurski@student.utwente.nl> | 2025-05-03 01:07:12 +0200 |
|---|---|---|
| committer | Jakub Stachurski <j.stachurski@student.utwente.nl> | 2025-05-03 01:07:27 +0200 |
| commit | 57dde93d6059cd476bc5e196e0cef348f6544085 (patch) | |
| tree | 1c01610d0de9008ebc6f84276a3d055ec999ba42 | |
| parent | 162a78d224af35e3261e106d516069f06a657880 (diff) | |
btrbk setup
| -rw-r--r-- | nixos/hosts/apocalypse/backup.nix | 30 | ||||
| -rw-r--r-- | nixos/hosts/apocalypse/hardware-configuration.nix | 10 |
2 files changed, 38 insertions, 2 deletions
diff --git a/nixos/hosts/apocalypse/backup.nix b/nixos/hosts/apocalypse/backup.nix new file mode 100644 index 0000000..de22bd3 --- /dev/null +++ b/nixos/hosts/apocalypse/backup.nix @@ -0,0 +1,30 @@ +{ config, lib, pkgs, modulesPath, ...}: +{ + services.btrbk = { + instances."remote_vault" = { + onCalendar = "weekly"; + settings = { + ssh_identity = "/etc/btrbk_key"; # NOTE: must be readable by user/group btrbk + ssh_user = "vault"; + stream_compress = "lz4"; + volume."/btrfs_root" = { + target = "ssh://10.100.0.1/vault/backups/apocalypse"; + subvolume = { + nixos = { + snapshot_create = "always"; + }; + }; + # "nixos" could instead be an attribute set with other volumes to + # back up and to give subvolume specific configuration. + # See man btrbk.conf for possible options. + /* + subvolume = { + home = { snapshot_create = "always"; }; + nixos = {}; + }; + */ + }; + }; + }; +}; +} diff --git a/nixos/hosts/apocalypse/hardware-configuration.nix b/nixos/hosts/apocalypse/hardware-configuration.nix index f611cd6..1133dc6 100644 --- a/nixos/hosts/apocalypse/hardware-configuration.nix +++ b/nixos/hosts/apocalypse/hardware-configuration.nix @@ -28,14 +28,20 @@ menuentry 'UEFI Firmware' $menuentry_id_option 'uefi-firmware' { fileSystems."/" = { device = "/dev/mapper/cryptroot"; fsType = "btrfs"; - options = [ "subvol=@root" ]; + options = [ "subvol=@root" "compress=zstd" ]; }; + fileSystems."/btrfs_root" = { + device = "/dev/mapper/cryptroot"; + fsType = "btrfs" + options = [ "subvolid=5", "compress=zstd"] + }; + fileSystems."/snapshots" = { device = "/dev/mapper/cryptroot"; fsType = "btrfs"; - options = [ "subvol=@snapshots" ]; + options = [ "subvol=@snapshots" "compress=zstd" ]; }; fileSystems."/boot" = |