nixpkgs/nixos/modules/virtualisation/amazon-options.nix
Linus Heckemann 24e33a4d2e nixos/ec2: remove paravirtualization-specific code
Paravirtualized EC2 instances haven't been supported since 2017.
It's safe to remove this now.
2022-11-23 17:18:18 +01:00

70 lines
2 KiB
Nix

{ config, lib, pkgs, ... }:
let
inherit (lib) literalExpression types;
in {
imports = [
(lib.mkRemovedOptionModule [ "ec2" "hvm" ] "Only HVM instances are supported, so specifying it is no longer necessary.")
];
options = {
ec2 = {
zfs = {
enable = lib.mkOption {
default = false;
internal = true;
description = lib.mdDoc ''
Whether the EC2 instance uses a ZFS root.
'';
};
datasets = lib.mkOption {
description = lib.mdDoc ''
Datasets to create under the `tank` and `boot` zpools.
**NOTE:** This option is used only at image creation time, and
does not attempt to declaratively create or manage datasets
on an existing system.
'';
default = {};
type = types.attrsOf (types.submodule {
options = {
mount = lib.mkOption {
description = lib.mdDoc "Where to mount this dataset.";
type = types.nullOr types.string;
default = null;
};
properties = lib.mkOption {
description = lib.mdDoc "Properties to set on this dataset.";
type = types.attrsOf types.string;
default = {};
};
};
});
};
};
efi = lib.mkOption {
default = pkgs.stdenv.hostPlatform.isAarch64;
defaultText = literalExpression "pkgs.stdenv.hostPlatform.isAarch64";
internal = true;
description = lib.mdDoc ''
Whether the EC2 instance is using EFI.
'';
};
};
};
config = lib.mkIf config.ec2.zfs.enable {
networking.hostId = lib.mkDefault "00000000";
fileSystems = let
mountable = lib.filterAttrs (_: value: ((value.mount or null) != null)) config.ec2.zfs.datasets;
in lib.mapAttrs'
(dataset: opts: lib.nameValuePair opts.mount {
device = dataset;
fsType = "zfs";
})
mountable;
};
}