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84 lines
2.7 KiB
Nix
84 lines
2.7 KiB
Nix
{ config, options, lib, diskoLib, optionTypes, rootMountPoint, ... }:
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{
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options = {
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name = lib.mkOption {
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type = lib.types.str;
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default = config._module.args.name;
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description = "Name of the dataset";
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};
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type = lib.mkOption {
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type = lib.types.enum [ "zfs_fs" ];
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default = "zfs_fs";
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internal = true;
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description = "Type";
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};
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options = lib.mkOption {
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type = lib.types.attrsOf lib.types.str;
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default = { };
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description = "Options to set for the dataset";
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};
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mountOptions = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = [ "defaults" ];
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description = "Mount options";
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};
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mountpoint = lib.mkOption {
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type = lib.types.nullOr optionTypes.absolute-pathname;
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default = null;
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description = "Path to mount the dataset to";
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};
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_meta = lib.mkOption {
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internal = true;
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readOnly = true;
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type = lib.types.functionTo diskoLib.jsonType;
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default = dev: {};
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description = "Metadata";
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};
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_create = diskoLib.mkCreateOption {
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inherit config options;
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default = { zpool }: ''
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zfs create ${zpool}/${config.name} \
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${lib.concatStringsSep " " (lib.mapAttrsToList (n: v: "-o ${n}=${v}") config.options)}
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'';
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};
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_mount = diskoLib.mkMountOption {
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inherit config options;
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default = { zpool }:
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lib.optionalAttrs (config.options.mountpoint or "" != "none") {
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fs.${config.mountpoint} = ''
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if ! findmnt ${zpool}/${config.name} "${rootMountPoint}${config.mountpoint}" > /dev/null 2>&1; then
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mount ${zpool}/${config.name} "${rootMountPoint}${config.mountpoint}" \
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-o X-mount.mkdir \
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${lib.concatMapStringsSep " " (opt: "-o ${opt}") config.mountOptions} \
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${lib.optionalString ((config.options.mountpoint or "") != "legacy") "-o zfsutil"} \
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-t zfs
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fi
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'';
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};
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};
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_config = lib.mkOption {
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internal = true;
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readOnly = true;
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default = zpool:
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lib.optional (config.options.mountpoint or "" != "none") {
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fileSystems.${config.mountpoint} = {
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device = "${zpool}/${config.name}";
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fsType = "zfs";
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options = config.mountOptions ++ lib.optional ((config.options.mountpoint or "") != "legacy") "zfsutil";
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};
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};
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description = "NixOS configuration";
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};
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_pkgs = lib.mkOption {
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internal = true;
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readOnly = true;
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type = lib.types.functionTo (lib.types.listOf lib.types.package);
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default = pkgs: [ pkgs.util-linux ];
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description = "Packages";
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};
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};
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}
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