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layout -> devices, expose body

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lassulus 2018-07-25 01:25:04 +02:00
parent d2f8f4a6cf
commit 0e8c5d1e67
2 changed files with 20 additions and 25 deletions
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4
example/config.nix
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@ -1,8 +1,8 @@
# usage: nix-instantiate --eval --json --strict example/config.nix | jq .
{
type = "layout";
type = "devices";
content = {
"/dev/sda" = {
sda = {
type = "table";
format = "gpt";
partitions = [

41
lib/default.nix
View file

@ -1,9 +1,11 @@
with import <nixpkgs/lib>;
with builtins;
let
let {
body.config = q: x: config.${x.type} q x;
body.create = q: x: create.${x.type} q x;
config-f = q: x: config.${x.type} q x;
config.filesystem = q: x: {
fileSystems.${x.mountpoint} = {
@ -12,51 +14,49 @@ let
};
};
config.layout = q: x:
foldl' mergeAttrs {} (mapAttrsToList (name: config-f { device = name; }) x.content);
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;
} // config-f { device = "/dev/mapper/${x.name}"; } x.content;
} // body.config { device = "/dev/mapper/${x.name}"; } x.content;
config.lv = q: x:
config-f { device = "/dev/${q.vgname}/${q.name}"; } x.content;
body.config { device = "/dev/${q.vgname}/${q.name}"; } x.content;
config.lvm = q: x:
foldl' mergeAttrs {} (mapAttrsToList (name: config-f { inherit name; vgname = x.name; }) x.lvs);
foldl' mergeAttrs {} (mapAttrsToList (name: body.config { inherit name; vgname = x.name; }) x.lvs);
config.partition = q: x:
config-f { device = q.device + toString q.index; } x.content;
body.config { device = q.device + toString q.index; } x.content;
config.table = q: x:
foldl' mergeAttrs {} (imap (index: config-f (q // { inherit index; })) x.partitions);
foldl' mergeAttrs {} (imap (index: body.config (q // { inherit index; })) x.partitions);
create-f = q: x: create.${x.type} q x;
create.filesystem = q: x: ''
mkfs.${x.format} ${q.device}
'';
create.layout = q: x: ''
${concatStrings (mapAttrsToList (name: create-f { device = name; }) x.content)}
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}
cryptsetup luksOpen ${q.device} ${x.name} --key-file ${x.keyfile}
${create-f { device = "/dev/mapper/${x.name}"; } x.content}
${body.create { device = "/dev/mapper/${x.name}"; } x.content}
'';
create.lv = q: x: ''
lvcreate -L ${x.size} -n ${q.name} ${q.vgname}
${create-f { device = "/dev/${q.vgname}/${q.name}"; } x.content}
${body.create { device = "/dev/${q.vgname}/${q.name}"; } x.content}
'';
create.lvm = q: x: ''
pvcreate ${q.device}
vgcreate ${x.name} ${q.device}
${concatStrings (mapAttrsToList (name: create-f { inherit name; vgname = x.name; }) x.lvs)}
${concatStrings (mapAttrsToList (name: body.create { inherit name; vgname = x.name; }) x.lvs)}
'';
create.partition = q: x: ''
@ -64,16 +64,11 @@ let
${optionalString (x.bootable or false) ''
parted -s ${q.device} set ${toString q.index} boot on
''}
${create-f { device = q.device + toString q.index; } x.content}
${body.create { device = q.device + toString q.index; } x.content}
'';
create.table = q: x: ''
parted -s ${q.device} mklabel ${x.format}
${concatStrings (imap (index: create-f (q // { inherit index; })) x.partitions)}
${concatStrings (imap (index: body.create (q // { inherit index; })) x.partitions)}
'';
in
{
config = device: config-f { inherit device; };
create = device: create-f { inherit device; };
}