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add top-level layout type

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This commit is contained in:
lassulus 2018-07-19 21:52:11 +02:00
parent 6232ab3078
commit 7262439401
2 changed files with 63 additions and 51 deletions
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107
example/config.nix
View File

@ -1,57 +1,62 @@
# usage: nix-instantiate --eval --json --strict example/config.nix | jq .
{
type = "table";
format = "gpt";
partitions = [
{
type = "partition";
part-type = "ESP";
start = "1MiB";
end = "1024MiB";
fs-type = "fat32";
bootable = true;
content = {
type = "filesystem";
format = "vfat";
mountpoint = "/boot";
};
}
{
type = "partition";
part-type = "primary";
start = "1024MiB";
end = "100%";
content = {
type = "luks";
algo = "aes-xts...";
name = "crypted";
keyfile = "/tmp/secret.key";
content = {
type = "lvm";
name = "pool";
lvs = {
root = {
type = "lv";
size = "10G";
mountpoint = "/";
content = {
type = "filesystem";
format = "ext4";
mountpoint = "/";
};
};
home = {
type = "lv";
size = "10G";
content = {
type = "filesystem";
format = "ext4";
mountpoint = "/home";
type = "layout";
content = {
"/dev/sda" = {
type = "table";
format = "gpt";
partitions = [
{
type = "partition";
part-type = "ESP";
start = "1MiB";
end = "1024MiB";
fs-type = "fat32";
bootable = true;
content = {
type = "filesystem";
format = "vfat";
mountpoint = "/boot";
};
}
{
type = "partition";
part-type = "primary";
start = "1024MiB";
end = "100%";
content = {
type = "luks";
algo = "aes-xts...";
name = "crypted";
keyfile = "/tmp/secret.key";
content = {
type = "lvm";
name = "pool";
lvs = {
root = {
type = "lv";
size = "10G";
mountpoint = "/";
content = {
type = "filesystem";
format = "ext4";
mountpoint = "/";
};
};
home = {
type = "lv";
size = "10G";
content = {
type = "filesystem";
format = "ext4";
mountpoint = "/home";
};
};
};
};
};
};
};
}
];
}
];
};
};
}

7
lib/default.nix
View File

@ -12,6 +12,9 @@ let
};
};
config.layout = q: x:
foldl' mergeAttrs {} (mapAttrsToList (name: config-f { device = name; }) x.content);
config.lv = q: x:
config-f { device = "/dev/${q.vgname}/${q.name}"; } x.content;
@ -35,6 +38,10 @@ let
mkfs.${x.format} ${q.device}
'';
format.layout = q: x: ''
${concatStrings (mapAttrsToList (name: format-f { device = name; }) x.content)}
'';
format.lv = q: x: ''
lvcreate -L ${x.size} -n ${q.name} ${q.vgname}
${format-f { device = "/dev/${q.vgname}/${q.name}"; } x.content}