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types.gpt: add support for tables on mdadm

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lassulus 2023-07-01 21:39:13 +02:00 • committed by mergify[bot]
parent c52e425b02
commit 5333c4034a
1 changed files with 23 additions and 12 deletions
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35
lib/types/gpt.nix
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@ -1,4 +1,7 @@
{ config, options, lib, diskoLib, parent, device, ... }@args:
{ config, options, lib, diskoLib, parent, device, ... }:
let
sortedPartitions = lib.sort (x: y: x.priority < y.priority) (lib.attrValues config.partitions);
in
{
options = {
type = lib.mkOption {
@ -21,7 +24,11 @@
};
device = lib.mkOption {
type = lib.types.str;
default = "/dev/disk/by-partlabel/${partition.config.label}";
default = if config._parent.type == "mdadm" then
# workaround because mdadm partlabel do not appear in /dev/disk/by-partlabel
"/dev/disk/by-id/md-name-any:${config._parent.name}-part${toString partition.config._index}"
else
"/dev/disk/by-partlabel/${partition.config.label}";
description = "Device to use for the partition";
};
priority = lib.mkOption {
@ -36,7 +43,7 @@
};
label = lib.mkOption {
type = lib.types.str;
default = "${config._parent.type}-${config._parent.name}-${partition.name}";
default = "${config._parent.type}-${config._parent.name}-${partition.config.name}";
};
size = lib.mkOption {
type = lib.types.either (lib.types.enum [ "100%" ]) (lib.types.strMatching "[0-9]+[KMGTP]?");
@ -62,6 +69,10 @@
'';
};
content = diskoLib.partitionType { parent = config; device = partition.config.device; };
_index = lib.mkOption {
internal = true;
default = diskoLib.indexOf (x: x.name == partition.config.name) sortedPartitions 0;
};
};
}));
default = [ ];
@ -76,8 +87,8 @@
readOnly = true;
type = lib.types.functionTo diskoLib.jsonType;
default = dev:
lib.foldr lib.recursiveUpdate { } (lib.imap
(index: partition:
lib.foldr lib.recursiveUpdate { } (map
(partition:
lib.optionalAttrs (partition.content != null) (partition.content._meta dev)
)
(lib.attrValues config.partitions));
@ -86,16 +97,16 @@
_create = diskoLib.mkCreateOption {
inherit config options;
default = ''
${lib.concatStrings (lib.imap (index: partition: ''
${lib.concatStrings (map (partition: ''
sgdisk \
--new=${toString index}:${partition.start}:${partition.end} \
--change-name=${toString index}:${partition.label} \
--typecode=${toString index}:${partition.type} \
--new=${toString partition._index}:${partition.start}:${partition.end} \
--change-name=${toString partition._index}:${partition.label} \
--typecode=${toString partition._index}:${partition.type} \
${config.device}
# ensure /dev/disk/by-path/..-partN exists before continuing
udevadm trigger --subsystem-match=block; udevadm settle
${lib.optionalString (partition.content != null) partition.content._create}
'') (lib.sort (x: y: x.priority < y.priority) (lib.attrValues config.partitions)))}
'') sortedPartitions)}
'';
};
@ -103,8 +114,8 @@
inherit config options;
default =
let
partMounts = lib.foldr lib.recursiveUpdate { } (lib.imap
(index: partition:
partMounts = lib.foldr lib.recursiveUpdate { } (map
(partition:
lib.optionalAttrs (partition.content != null) partition.content._mount
)
(lib.attrValues config.partitions));