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feat: refined options for datasets

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This commit is contained in:
Leyla Becker 2025-11-08 13:21:01 -06:00
parent 0de97fa4a2
commit 9df29cc07f
6 changed files with 295 additions and 271 deletions
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64
modules/nixos-modules/storage/storage.nix
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@ -1,7 +1,6 @@
{
lib,
config,
util,
...
}: {
# TODO: create all of the datasets from option and home-manager datasets
@ -13,50 +12,49 @@
storage.zfs.datasets = {
"persist/system/nix" = {
type = "zfs_fs";
mountpoint = "/nix";
options = {
atime = "off";
relatime = "off";
canmount = "on";
"com.sun:auto-snapshot" = "false";
mount = {
enable = true;
mountPoint = "/nix";
};
snapshot = {
autoSnapshot = false;
};
atime = "off";
relatime = "off";
};
"persist/system/var/log" = {
type = "zfs_fs";
mountpoint = "/var/log";
options = {
"com.sun:auto-snapshot" = "false";
mount = {
enable = true;
mountPoint = "/var/log";
};
snapshot = {
autoSnapshot = false;
};
};
"persist/system/root" = {
type = "zfs_fs";
mount = {
enable = true;
mountPoint = "/";
};
};
};
}
(util.mkUnless config.storage.impermanence.enable {
(lib.mkIf (!config.storage.impermanence.enable) {
# TODO: create datasets for systemd.services.<name>.storage.impermanence.datasets
storage.zfs.datasets = {
"persist/system/root" = {
type = "zfs_fs";
mountpoint = "/";
canmount = "on";
snapshot = {
autoSnapshot = true;
};
};
};
})
(lib.mkIf config.storage.impermanence.enable {
storage.impermanence.datasets = {
"persist/system/root" = {
type = "zfs_fs";
};
};
storage.zfs.datasets = {
"local/system/root" = {
type = "zfs_fs";
mountpoint = "/";
options = {
canmount = "on";
};
postCreateHook = ''
zfs snapshot rpool/local/system/root@blank
'';
directories = {
"/var/lib/nixos".enable = true;
"/var/lib/systemd/coredump".enable = true;
@ -66,6 +64,18 @@
};
};
};
storage.zfs.datasets = {
"local/system/root" = {
type = "zfs_fs";
mount = {
enable = true;
mountPoint = "/";
};
snapshot = {
blankSnapshot = true;
};
};
};
# TODO: home-manager.users.<user>.storage.impermanence.enable
# is false then persist the entire directory of the user