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with import <nixpkgs/lib>;
with builtins;
let {
body.config = q: x: config.${x.type} q x;
body.create = q: x: create.${x.type} q x;
body.mount = q: x: mount.${x.type} q x;
config.filesystem = q: x: {
fileSystems.${x.mountpoint} = {
device = q.device;
fsType = x.format;
};
};
config.devices = q: x:
foldl' mergeAttrs {} (mapAttrsToList (name: body.config { device = "/dev/${name}"; }) x.content);
config.luks = q: x: {
boot.initrd.luks.devices.${x.name}.device = q.device;
} // body.config { device = "/dev/mapper/${x.name}"; } x.content;
config.lv = q: x:
body.config { device = "/dev/${q.vgname}/${q.name}"; } x.content;
config.lvm = q: x:
foldl' mergeAttrs {} (mapAttrsToList (name: body.config { inherit name; vgname = x.name; }) x.lvs);
config.partition = q: x:
body.config { device = q.device + toString q.index; } x.content;
config.table = q: x:
foldl' mergeAttrs {} (imap (index: body.config (q // { inherit index; })) x.partitions);
create.filesystem = q: x: ''
mkfs.${x.format} ${q.device}
'';
create.devices = q: x: ''
${concatStrings (mapAttrsToList (name: body.create { device = "/dev/${name}"; }) x.content)}
'';
create.luks = q: x: ''
cryptsetup -q luksFormat ${q.device} ${x.keyfile} ${toString (x.extraArgs or [])}
cryptsetup luksOpen ${q.device} ${x.name} --key-file ${x.keyfile}
${body.create { device = "/dev/mapper/${x.name}"; } x.content}
'';
create.lv = q: x: ''
lvcreate -L ${x.size} -n ${q.name} ${q.vgname}
${body.create { device = "/dev/${q.vgname}/${q.name}"; } x.content}
'';
create.lvm = q: x: ''
pvcreate ${q.device}
vgcreate ${x.name} ${q.device}
${concatStrings (mapAttrsToList (name: body.create { inherit name; vgname = x.name; }) x.lvs)}
'';
create.partition = q: x: ''
parted -s ${q.device} mkpart ${x.part-type} ${x.fs-type or ""} ${x.start} ${x.end}
${optionalString (x.bootable or false) ''
parted -s ${q.device} set ${toString q.index} boot on
''}
${body.create { device = q.device + toString q.index; } x.content}
'';
create.table = q: x: ''
parted -s ${q.device} mklabel ${x.format}
${concatStrings (imap (index: body.create (q // { inherit index; })) x.partitions)}
'';
mount.filesystem = q: x: {
fs.${x.mountpoint} = ''
mkdir -p ${x.mountpoint}
mount ${q.device} ${x.mountpoint}
'';
};
mount.devices = q: x: let
z = foldl' recursiveUpdate {} (mapAttrsToList (name: body.mount { device = "/dev/${name}"; }) x.content);
# attrValues returns values sorted by name. This is important, because it
# ensures that "/" is processed before "/foo" etc.
in ''
${concatStringsSep "\n" (attrValues z.luks)}
${concatStringsSep "\n" (attrValues z.lvm)}
${concatStringsSep "\n" (attrValues z.fs)}
'';
mount.luks = q: x: (
recursiveUpdate
(body.mount { device = "/dev/mapper/${x.name}"; } x.content)
{luks.${q.device} = ''
cryptsetup luksOpen ${q.device} ${x.name} --key-file ${x.keyfile}
'';}
);
mount.lv = q: x:
body.mount { device = "/dev/${q.vgname}/${q.name}"; } x.content;
mount.lvm = q: x: (
recursiveUpdate
(foldl' recursiveUpdate {} (mapAttrsToList (name: body.mount { inherit name; vgname = x.name; }) x.lvs))
{lvm.${q.device} = ''
vgchange -a y
'';}
);
mount.partition = q: x:
body.mount { device = q.device + toString q.index; } x.content;
mount.table = q: x:
foldl' recursiveUpdate {} (imap (index: body.mount (q // { inherit index; })) x.partitions);
}
|
