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lib: add mount

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This commit is contained in:
lassulus 2018-07-31 21:40:57 +02:00
parent e8f7aa94c2
commit 9cbf541974
2 changed files with 45 additions and 0 deletions
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1
example/default.nix
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@ -5,4 +5,5 @@ with import ../lib;
{
config = config "/dev/sda" (import ./config.nix);
create = create "/dev/sda" (import ./config.nix);
mount = mount "/dev/sda" (import ./config.nix);
}

44
lib/default.nix
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@ -5,6 +5,7 @@ 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: {
@ -72,3 +73,46 @@ let {
${concatStrings (imap (index: body.create (q // { inherit index; })) x.partitions)}
'';
mount.filesystem = q: x: {
fs.${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);
}