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changed zfs mountpoints more, setup self cleaning fs root

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This commit is contained in:
Gerg-L 2023-03-12 02:21:01 +00:00
parent 2cf332631b
commit 01851cab86
4 changed files with 28 additions and 15 deletions
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1
systems/gerg-desktop/default.nix
View file

@ -12,6 +12,7 @@ inputs: {
(import ./spicetify.nix inputs)
(import ./zfs.nix inputs)
(import ./containers inputs)
(import ./erase-your-darlings.nix inputs)
];
disko.devices = import ./disko.nix;

13
systems/gerg-desktop/disko.nix
View file

@ -132,7 +132,6 @@ _: {
normalization = "formD";
relatime = "on";
xattr = "sa";
canmount = "off";
encryption = "on";
keyformat = "passphrase";
keylocation = "prompt";
@ -141,32 +140,30 @@ _: {
ashift = "12";
autotrim = "on";
};
datasets = {
"root" = {
zfs_type = "filesystem";
options.mountpoint = "legacy";
mountpoint = "/";
};
"root/nix" = {
"nix" = {
zfs_type = "filesystem";
options.mountpoint = "legacy";
mountpoint = "/nix";
};
"root/var" = {
"var" = {
zfs_type = "filesystem";
options.mountpoint = "legacy";
mountpoint = "/var";
};
"root/persist" = {
"persist" = {
zfs_type = "filesystem";
options.mountpoint = "legacy";
mountpoint = "/persist";
};
"root/home" = {
"home" = {
zfs_type = "filesystem";
options.mountpoint = "legacy";
mountpoint = "/home";
};

18
systems/gerg-desktop/erase-your-darlings.nix Normal file
View file

@ -0,0 +1,18 @@
_: {lib, ...}: {
systemd.tmpfiles.rules = [
"d /mnt - - - - -"
"L+ /etc/ssh/ssh_host_ed25519_key - - - - /persist/ssh/ssh_host_ed25519_key"
"L+ /etc/ssh/ssh_host_ed25519_key.pub - - - - /persist/ssh/ssh_host_ed25519_key.pub"
"L+ /etc/nixos - - - - /persist/nixos"
];
boot.initrd.postDeviceCommands = lib.mkAfter ''
zfs snapshot destroy rpool/root@prev
zfs snapshot destroy rpool/var@prev
zfs snapshot create rpool/root@prev
zfs snapshot create rpool/var@prev
zfs rollback -r rpool/root@empty
zfs rollback -r rpool/var@empty
'';
}