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generate nixos config from definition, split into format & config

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This commit is contained in:
lassulus 2018-07-19 20:35:04 +02:00
parent bff1223462
commit 6232ab3078
2 changed files with 47 additions and 17 deletions
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5
example/default.nix
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@ -2,4 +2,7 @@
with import ../lib;
disko "/dev/sda" (import ./config.nix)
{
format = format "/dev/sda" (import ./config.nix);
config = config "/dev/sda" (import ./config.nix);
}

59
lib/default.nix
View File

@ -3,43 +3,70 @@ with builtins;
let
f = q: x: fun.${x.type} q x;
config-f = q: x: config.${x.type} q x;
fun.filesystem = q: x: ''
config.filesystem = q: x: {
fileSystems.${x.mountpoint} = {
device = q.device;
fsType = x.format;
};
};
config.lv = q: x:
config-f { device = "/dev/${q.vgname}/${q.name}"; } x.content;
config.luks = q: x: {
boot.initrd.luks.devices.${x.name}.device = q.device;
} // config-f { device = "/dev/mapper/${x.name}"; } x.content;
config.lvm = q: x:
foldl' mergeAttrs {} (mapAttrsToList (name: config-f { inherit name; vgname = x.name; }) x.lvs);
config.partition = q: x:
config-f { device = q.device + toString q.index; } x.content;
config.table = q: x:
foldl' mergeAttrs {} (imap (index: config-f (q // { inherit index; })) x.partitions);
format-f = q: x: format.${x.type} q x;
format.filesystem = q: x: ''
mkfs.${x.format} ${q.device}
'';
fun.luks = q: x: ''
format.lv = q: x: ''
lvcreate -L ${x.size} -n ${q.name} ${q.vgname}
${format-f { device = "/dev/${q.vgname}/${q.name}"; } x.content}
'';
format.luks = q: x: ''
cryptsetup -q luksFormat ${q.device} ${x.keyfile}
cryptsetup luksOpen ${q.device} ${x.name} --key-file ${x.keyfile}
${f { device = "/dev/mapper/${x.name}"; } x.content}
${format-f { device = "/dev/mapper/${x.name}"; } x.content}
'';
fun.lv = q: x: ''
lvcreate -L ${x.size} -n ${q.name} ${q.vgname}
${f { device = "/dev/${q.vgname}/${q.name}"; } x.content}
'';
fun.lvm = q: x: ''
format.lvm = q: x: ''
pvcreate ${q.device}
vgcreate ${x.name} ${q.device}
${concatStrings (mapAttrsToList (name: f { inherit name; vgname = x.name; }) x.lvs)}
${concatStrings (mapAttrsToList (name: format-f { inherit name; vgname = x.name; }) x.lvs)}
'';
fun.partition = q: x: ''
format.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
''}
${f { device = q.device + toString q.index; } x.content}
${format-f { device = q.device + toString q.index; } x.content}
'';
fun.table = q: x: ''
format.table = q: x: ''
parted -s ${q.device} mklabel ${x.format}
${concatStrings (imap (index: f (q // { inherit index; })) x.partitions)}
${concatStrings (imap (index: format-f (q // { inherit index; })) x.partitions)}
'';
in
{
disko = device: f { inherit device; };
config = device: config-f { inherit device; };
format = device: format-f { inherit device; };
}