dotfiles/disks/zfs.nix

{ pool, disks, ... }:
{
  disk = lib.genAttrs disks (disk: {
    "${disk}" = {
      type = "disk";
      device = "/dev/${disk}";
      content = {
        type = "table";
        format = "gpt";
        partitions = [
          {
            type = "partition";
            name = "zfs";
            start = "128MiB";
            end = "100%";
            content = {
              type = "zfs";
              pool = pool;
            };
          }
        ];
      };
    };
  });
  zpool = {
    "${pool}" = {
      type = "zpool";
      mode = "raidz1";
      rootFsOptions = {
        compression = "on"; # lz4 by default
        "com.sun:auto-snapshot" = "false";
        ashift = "12";
      };
      # mountpoint = "/";

      datasets = {
        root = {
          zfs_type = "filesystem";
          mountpoint = null;
          options."com.sun:auto-snapshot" = "false";
        };
        # "media/movies" = {
        #   zfs_type = "filesystem";
        #   mountpoint = "/media/movies";
        #   options.recordsize = "1M";
        # };
        # "media/tv" = {
        #   zfs_type = "filesystem";
        #   mountpoint = "/media/tv";
        #   options.recordsize = "1M";
        # };
        # "media/books" = {
        #   zfs_type = "filesystem";
        #   mountpoint = "/media/books";
        # };
        # archive = {
        #   zfs_type = "filesystem";
        #   mountpoint = "/archive";
        #   options.compression = "zstd";
        #   options."com.sun:auto-snapshot" = "true";
        # };
        # zfs_unmounted_fs = {
        #   zfs_type = "filesystem";
        #   options.mountpoint = "none";
        # };
        # zfs_legacy_fs = {
        #   zfs_type = "filesystem";
        #   options.mountpoint = "legacy";
        #   mountpoint = "/zfs_legacy_fs";
        # };
        # zfs_testvolume = {
        #   zfs_type = "volume";
        #   size = "10M";
        #   content = {
        #     type = "filesystem";
        #     format = "ext4";
        #     mountpoint = "/ext4onzfs";
        #   };
        # };
        # encrypted = {
        #   zfs_type = "filesystem";
        #   size = "20M";
        #   options = {
        #     mountpoint = "none";
        #     encryption = "aes-256-gcm";
        #     keyformat = "passphrase";
        #     keylocation = "file:///tmp/secret.key";
        #   };
        # };
        # "encrypted/test" = {
        #   zfs_type = "filesystem";
        #   size = "2M";
        #   mountpoint = "/zfs_crypted";
        # };
      };
    };
  };
}