128 lines
3.5 KiB
Nix
128 lines
3.5 KiB
Nix
{
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config,
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options,
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lib,
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diskoLib,
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...
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}:
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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";
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};
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type = lib.mkOption {
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type = lib.types.enum [ "mdadm" ];
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default = "mdadm";
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internal = true;
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description = "Type";
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};
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level = lib.mkOption {
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type = lib.types.int;
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default = 1;
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description = "mdadm level";
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};
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metadata = lib.mkOption {
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type = lib.types.enum [
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"1"
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"1.0"
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"1.1"
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"1.2"
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"default"
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"ddf"
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"imsm"
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];
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default = "default";
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description = "Metadata";
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};
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content = diskoLib.deviceType {
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parent = config;
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device = "/dev/md/${config.name}";
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};
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_meta = lib.mkOption {
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internal = true;
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readOnly = true;
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type = diskoLib.jsonType;
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default = lib.optionalAttrs (config.content != null) (
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config.content._meta [
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"mdadm"
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config.name
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]
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);
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description = "Metadata";
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};
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_create = diskoLib.mkCreateOption {
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inherit config options;
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default = ''
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if ! test -e "/dev/md/${config.name}"; then
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readarray -t disk_devices < <(cat "$disko_devices_dir"/raid_${lib.escapeShellArg config.name})
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echo 'y' | mdadm --create "/dev/md/${config.name}" \
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--level=${toString config.level} \
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--raid-devices="$(wc -l "$disko_devices_dir"/raid_${lib.escapeShellArg config.name} | cut -f 1 -d " ")" \
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--metadata=${config.metadata} \
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--force \
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--homehost=any \
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"''${disk_devices[@]}"
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partprobe "/dev/md/${config.name}"
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udevadm trigger --subsystem-match=block
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udevadm settle
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# for some reason mdadm devices spawn with an existing partition table, so we need to wipe it
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sgdisk --zap-all "/dev/md/${config.name}"
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fi
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${lib.optionalString (config.content != null) config.content._create}
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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 = lib.optionalAttrs (config.content != null) config.content._mount;
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# TODO we probably need to assemble the mdadm somehow
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};
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_unmount = diskoLib.mkUnmountOption {
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inherit config options;
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default =
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let
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content = lib.optionalAttrs (config.content != null) config.content._unmount;
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in
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{
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fs = content.fs;
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dev = ''
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${content.dev or ""}
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if [ -e "/dev/md/${config.name}" ]; then
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mdadm --stop "/dev/md/${config.name}"
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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 = [
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(
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if lib.versionAtLeast (lib.versions.majorMinor lib.version) "23.11" then
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{
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boot.swraid.enable = true;
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}
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else
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{
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boot.initrd.services.swraid.enable = true;
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}
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)
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] ++ lib.optional (config.content != null) config.content._config;
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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 =
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pkgs:
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[
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pkgs.parted # for partprobe
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]
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++ (lib.optionals (config.content != null) (config.content._pkgs pkgs));
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description = "Packages";
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};
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};
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}
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