mirror of
https://github.com/nix-community/disko.git
synced 2024-09-19 02:27:27 +03:00
types btrfs: inline subvolumes
This commit is contained in:
lassulus
parent
0d270372b2
commit
3dc9d4a2fa
@ -17,7 +17,36 @@
|
||||
description = "A list of options to pass to mount.";
|
||||
};
|
||||
subvolumes = lib.mkOption {
|
||||
type = lib.types.attrsOf diskoLib.types.btrfs_subvol;
|
||||
type = lib.types.attrsOf (lib.types.submodule ({ config, ... }: {
|
||||
options = {
|
||||
name = lib.mkOption {
|
||||
type = lib.types.str;
|
||||
default = config._module.args.name;
|
||||
description = "Name of the BTRFS subvolume.";
|
||||
};
|
||||
type = lib.mkOption {
|
||||
type = lib.types.enum [ "btrfs_subvol" ];
|
||||
default = "btrfs_subvol";
|
||||
internal = true;
|
||||
description = "Type";
|
||||
};
|
||||
extraArgs = lib.mkOption {
|
||||
type = lib.types.listOf lib.types.str;
|
||||
default = [ ];
|
||||
description = "Extra arguments";
|
||||
};
|
||||
mountOptions = lib.mkOption {
|
||||
type = lib.types.listOf lib.types.str;
|
||||
default = [ "defaults" ];
|
||||
description = "Options to pass to mount";
|
||||
};
|
||||
mountpoint = lib.mkOption {
|
||||
type = lib.types.nullOr diskoLib.optionTypes.absolute-pathname;
|
||||
default = null;
|
||||
description = "Location to mount the subvolume to.";
|
||||
};
|
||||
};
|
||||
}));
|
||||
default = { };
|
||||
description = "Subvolumes to define for BTRFS.";
|
||||
};
|
||||
@ -30,22 +59,46 @@
|
||||
internal = true;
|
||||
readOnly = true;
|
||||
type = lib.types.functionTo diskoLib.jsonType;
|
||||
default = dev:
|
||||
diskoLib.deepMergeMap (subvol: subvol._meta dev) (lib.attrValues config.subvolumes);
|
||||
default = dev: { };
|
||||
description = "Metadata";
|
||||
};
|
||||
_create = diskoLib.mkCreateOption {
|
||||
inherit config options;
|
||||
default = { dev }: ''
|
||||
mkfs.btrfs ${dev} ${toString config.extraArgs}
|
||||
${lib.concatMapStrings (subvol: subvol._create { inherit dev; }) (lib.attrValues config.subvolumes)}
|
||||
${lib.concatMapStrings (subvol: ''
|
||||
MNTPOINT=$(mktemp -d)
|
||||
(
|
||||
mount ${dev} "$MNTPOINT" -o subvol=/
|
||||
trap 'umount $MNTPOINT; rm -rf $MNTPOINT' EXIT
|
||||
btrfs subvolume create "$MNTPOINT"/${subvol.name} ${toString subvol.extraArgs}
|
||||
)
|
||||
'') (lib.attrValues config.subvolumes)}
|
||||
'';
|
||||
};
|
||||
_mount = diskoLib.mkMountOption {
|
||||
inherit config options;
|
||||
default = { dev }:
|
||||
let
|
||||
subvolMounts = diskoLib.deepMergeMap (subvol: subvol._mount { inherit dev; parent = config.mountpoint; }) (lib.attrValues config.subvolumes);
|
||||
subvolMounts = lib.concatMapAttrs
|
||||
(_: subvol:
|
||||
let
|
||||
mountpoint =
|
||||
if (subvol.mountpoint != null) then subvol.mountpoint
|
||||
else if (config.mountpoint == null) then subvol.name
|
||||
else null;
|
||||
in
|
||||
lib.optionalAttrs (mountpoint != null) {
|
||||
fs.${mountpoint} = ''
|
||||
if ! findmnt ${dev} "${rootMountPoint}${mountpoint}" > /dev/null 2>&1; then
|
||||
mount ${dev} "${rootMountPoint}${mountpoint}" \
|
||||
${lib.concatMapStringsSep " " (opt: "-o ${opt}") (subvol.mountOptions ++ [ "subvol=${subvol.name}" ])} \
|
||||
-o X-mount.mkdir
|
||||
fi
|
||||
'';
|
||||
}
|
||||
)
|
||||
config.subvolumes;
|
||||
in
|
||||
{
|
||||
fs = subvolMounts.fs // lib.optionalAttrs (config.mountpoint != null) {
|
||||
@ -63,7 +116,23 @@
|
||||
internal = true;
|
||||
readOnly = true;
|
||||
default = dev: [
|
||||
(map (subvol: subvol._config dev config.mountpoint) (lib.attrValues config.subvolumes))
|
||||
(map
|
||||
(subvol:
|
||||
let
|
||||
mountpoint =
|
||||
if (subvol.mountpoint != null) then subvol.mountpoint
|
||||
else if (config.mountpoint == null) then subvol.name
|
||||
else null;
|
||||
in
|
||||
lib.optional (mountpoint != null) {
|
||||
fileSystems.${mountpoint} = {
|
||||
device = dev;
|
||||
fsType = "btrfs";
|
||||
options = subvol.mountOptions ++ [ "subvol=${subvol.name}" ];
|
||||
};
|
||||
}
|
||||
)
|
||||
(lib.attrValues config.subvolumes))
|
||||
(lib.optional (config.mountpoint != null) {
|
||||
fileSystems.${config.mountpoint} = {
|
||||
device = dev;
|
||||
@ -79,7 +148,7 @@
|
||||
readOnly = true;
|
||||
type = lib.types.functionTo (lib.types.listOf lib.types.package);
|
||||
default = pkgs:
|
||||
[ pkgs.btrfs-progs ] ++ lib.flatten (map (subvolume: subvolume._pkgs pkgs) (lib.attrValues config.subvolumes));
|
||||
[ pkgs.btrfs-progs pkgs.coreutils ];
|
||||
description = "Packages";
|
||||
};
|
||||
};
|
||||
|
||||
@ -1,94 +0,0 @@
|
||||
{ config, options, diskoLib, lib, rootMountPoint, ... }:
|
||||
{
|
||||
options = {
|
||||
name = lib.mkOption {
|
||||
type = lib.types.str;
|
||||
default = config._module.args.name;
|
||||
description = "Name of the BTRFS subvolume.";
|
||||
};
|
||||
type = lib.mkOption {
|
||||
type = lib.types.enum [ "btrfs_subvol" ];
|
||||
default = "btrfs_subvol";
|
||||
internal = true;
|
||||
description = "Type";
|
||||
};
|
||||
extraArgs = lib.mkOption {
|
||||
type = lib.types.listOf lib.types.str;
|
||||
default = [ ];
|
||||
description = "Extra arguments";
|
||||
};
|
||||
mountOptions = lib.mkOption {
|
||||
type = lib.types.listOf lib.types.str;
|
||||
default = [ "defaults" ];
|
||||
description = "Options to pass to mount";
|
||||
};
|
||||
mountpoint = lib.mkOption {
|
||||
type = lib.types.nullOr diskoLib.optionTypes.absolute-pathname;
|
||||
default = null;
|
||||
description = "Location to mount the subvolume to.";
|
||||
};
|
||||
_meta = lib.mkOption {
|
||||
internal = true;
|
||||
readOnly = true;
|
||||
type = lib.types.functionTo diskoLib.jsonType;
|
||||
default = dev: { };
|
||||
description = "Metadata";
|
||||
};
|
||||
_create = diskoLib.mkCreateOption {
|
||||
inherit config options;
|
||||
default = { dev }: ''
|
||||
MNTPOINT=$(mktemp -d)
|
||||
(
|
||||
mount ${dev} "$MNTPOINT" -o subvol=/
|
||||
trap 'umount $MNTPOINT; rm -rf $MNTPOINT' EXIT
|
||||
btrfs subvolume create "$MNTPOINT"/${config.name} ${toString config.extraArgs}
|
||||
)
|
||||
'';
|
||||
};
|
||||
_mount = diskoLib.mkMountOption {
|
||||
inherit config options;
|
||||
default = { dev, parent }:
|
||||
let
|
||||
mountpoint =
|
||||
if (config.mountpoint != null) then config.mountpoint
|
||||
else if (parent == null) then config.name
|
||||
else null;
|
||||
in
|
||||
lib.optionalAttrs (mountpoint != null) {
|
||||
fs.${mountpoint} = ''
|
||||
if ! findmnt ${dev} "${rootMountPoint}${mountpoint}" > /dev/null 2>&1; then
|
||||
mount ${dev} "${rootMountPoint}${mountpoint}" \
|
||||
${lib.concatMapStringsSep " " (opt: "-o ${opt}") (config.mountOptions ++ [ "subvol=${config.name}" ])} \
|
||||
-o X-mount.mkdir
|
||||
fi
|
||||
'';
|
||||
};
|
||||
};
|
||||
_config = lib.mkOption {
|
||||
internal = true;
|
||||
readOnly = true;
|
||||
default = dev: parent:
|
||||
let
|
||||
mountpoint =
|
||||
if (config.mountpoint != null) then config.mountpoint
|
||||
else if (parent == null) then config.name
|
||||
else null;
|
||||
in
|
||||
lib.optional (mountpoint != null) {
|
||||
fileSystems.${mountpoint} = {
|
||||
device = dev;
|
||||
fsType = "btrfs";
|
||||
options = config.mountOptions ++ [ "subvol=${config.name}" ];
|
||||
};
|
||||
};
|
||||
description = "NixOS configuration";
|
||||
};
|
||||
_pkgs = lib.mkOption {
|
||||
internal = true;
|
||||
readOnly = true;
|
||||
type = lib.types.functionTo (lib.types.listOf lib.types.package);
|
||||
default = pkgs: [ pkgs.coreutils ];
|
||||
description = "Packages";
|
||||
};
|
||||
};
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user