mirror of
https://github.com/nix-community/disko.git
synced 2024-09-11 06:25:33 +03:00
add mdadm support
This commit is contained in:
parent
9bca66ca7d
commit
88cb7a4719
60
example/raid.nix
Normal file
60
example/raid.nix
Normal file
@ -0,0 +1,60 @@
|
||||
# usage: nix-instantiate --eval --json --strict example/config.nix | jq .
|
||||
{
|
||||
type = "devices";
|
||||
content = {
|
||||
vdb = {
|
||||
type = "table";
|
||||
format = "gpt";
|
||||
partitions = [
|
||||
{
|
||||
type = "partition";
|
||||
part-type = "primary";
|
||||
start = "1MiB";
|
||||
end = "100%";
|
||||
content = {
|
||||
type = "mdraid";
|
||||
name = "raid1";
|
||||
};
|
||||
}
|
||||
];
|
||||
};
|
||||
vdc = {
|
||||
type = "table";
|
||||
format = "gpt";
|
||||
partitions = [
|
||||
{
|
||||
type = "partition";
|
||||
part-type = "primary";
|
||||
start = "1MiB";
|
||||
end = "100%";
|
||||
content = {
|
||||
type = "mdraid";
|
||||
name = "raid1";
|
||||
};
|
||||
}
|
||||
];
|
||||
};
|
||||
raid1 = {
|
||||
type = "mdadm";
|
||||
level = 1;
|
||||
content = {
|
||||
type = "table";
|
||||
format = "gpt";
|
||||
partitions = [
|
||||
{
|
||||
type = "partition";
|
||||
part-type = "primary";
|
||||
start = "1MiB";
|
||||
end = "100%";
|
||||
content = {
|
||||
type = "filesystem";
|
||||
format = "ext4";
|
||||
mountpoint = "/raid";
|
||||
};
|
||||
}
|
||||
];
|
||||
|
||||
};
|
||||
};
|
||||
};
|
||||
}
|
@ -2,12 +2,7 @@
|
||||
with lib;
|
||||
with builtins;
|
||||
|
||||
let {
|
||||
|
||||
body.config = config-f {};
|
||||
body.create = create-f {};
|
||||
body.mount = mount-f {};
|
||||
|
||||
let
|
||||
|
||||
helper.find-device = device: let
|
||||
environment = helper.device-id device;
|
||||
@ -16,14 +11,14 @@ let {
|
||||
if hasPrefix "/dev/disk" device then
|
||||
"${environment}='${device}'"
|
||||
else ''
|
||||
${environment}=$(for x in /dev/disk/by-path/*; do
|
||||
${environment}=$(for x in $(find /dev/disk/{by-path,by-id}/); do
|
||||
dev=$x
|
||||
if [ "$(readlink -f $x)" = '${device}' ]; then
|
||||
if [ "$(readlink -f $x)" = "$(readlink -f '${device}')" ]; then
|
||||
target=$dev
|
||||
break
|
||||
fi
|
||||
done
|
||||
if test -z $target; then
|
||||
if test -z ''${target+x}; then
|
||||
echo 'unable to find path of disk: ${device}, bailing out' >&2
|
||||
exit 1
|
||||
else
|
||||
@ -71,8 +66,23 @@ let {
|
||||
mkfs.${x.format} ${q.device}
|
||||
'';
|
||||
|
||||
create.devices = q: x: ''
|
||||
${concatStrings (mapAttrsToList (name: create-f { device = "/dev/${name}"; }) x.content)}
|
||||
create.devices = q: x: let
|
||||
raid-devices = lib.filterAttrs (_: dev: dev.type == "mdadm") x.content;
|
||||
other-devices = lib.filterAttrs (_: dev: dev.type != "mdadm") x.content;
|
||||
in ''
|
||||
${concatStrings (mapAttrsToList (name: create-f { device = "/dev/${name}"; }) other-devices)}
|
||||
${concatStrings (mapAttrsToList (name: create-f { device = "/dev/${name}"; name = name; }) raid-devices)}
|
||||
'';
|
||||
|
||||
create.mdraid = q: x: ''
|
||||
RAIDDEVICES_N_${x.name}=$((''${RAIDDEVICES_N_${x.name}:-0}+1))
|
||||
RAIDDEVICES_${x.name}="''${RAIDDEVICES_${x.name}:-}${q.device} "
|
||||
'';
|
||||
|
||||
create.mdadm = q: x: ''
|
||||
echo 'y' | mdadm --create /dev/md/${q.name} --level=${toString x.level or 1} --raid-devices=''${RAIDDEVICES_N_${q.name}} ''${RAIDDEVICES_${q.name}}
|
||||
udevadm trigger --subsystem-match=block; udevadm settle
|
||||
${create-f { device = "/dev/md/${q.name}"; } x.content}
|
||||
'';
|
||||
|
||||
create.luks = q: x: ''
|
||||
@ -158,6 +168,10 @@ let {
|
||||
|
||||
mount.noop = q: x: {};
|
||||
|
||||
# TODO maybe we need to do something here?
|
||||
mount.mdadm = mount.noop;
|
||||
mount.mdraid = mount.noop;
|
||||
|
||||
mount.partition = q: x:
|
||||
mount-f { device = "\"\${${q.device}}\"-part" + toString q.index; } x.content;
|
||||
|
||||
@ -166,4 +180,15 @@ let {
|
||||
(foldl' recursiveUpdate {} (imap (index: mount-f (q // { inherit index; device = helper.device-id q.device; })) x.partitions))
|
||||
{table.${q.device} = helper.find-device q.device;}
|
||||
);
|
||||
in {
|
||||
config = config-f {};
|
||||
create = cfg: ''
|
||||
set -efux
|
||||
${create-f {} cfg}
|
||||
'';
|
||||
mount = cfg: ''
|
||||
set -efux
|
||||
${mount-f {} cfg}
|
||||
'';
|
||||
|
||||
}
|
||||
|
@ -7,84 +7,7 @@ let
|
||||
inherit pkgs;
|
||||
inherit (pkgs) system;
|
||||
};
|
||||
disko-config = {
|
||||
type = "devices";
|
||||
content = {
|
||||
vdb = {
|
||||
type = "table";
|
||||
format = "gpt";
|
||||
partitions = [
|
||||
{
|
||||
type = "partition";
|
||||
part-type = "ESP";
|
||||
start = "1MiB";
|
||||
end = "100MiB";
|
||||
fs-type = "FAT32";
|
||||
bootable = true;
|
||||
content = {
|
||||
type = "filesystem";
|
||||
format = "vfat";
|
||||
mountpoint = "/boot";
|
||||
options = [
|
||||
"defaults"
|
||||
];
|
||||
};
|
||||
}
|
||||
{
|
||||
type = "partition";
|
||||
part-type = "primary";
|
||||
start = "100MiB";
|
||||
end = "100%";
|
||||
content = {
|
||||
type = "luks";
|
||||
algo = "aes-xts...";
|
||||
name = "crypted";
|
||||
keyfile = "/tmp/secret.key";
|
||||
extraArgs = [
|
||||
"--hash sha512"
|
||||
"--iter-time 5000"
|
||||
];
|
||||
content = {
|
||||
type = "lvm";
|
||||
name = "pool";
|
||||
lvs = {
|
||||
root = {
|
||||
type = "lv";
|
||||
size = "100M";
|
||||
mountpoint = "/";
|
||||
content = {
|
||||
type = "filesystem";
|
||||
format = "ext4";
|
||||
mountpoint = "/";
|
||||
options = [
|
||||
"defaults"
|
||||
];
|
||||
};
|
||||
};
|
||||
home = {
|
||||
type = "lv";
|
||||
size = "10M";
|
||||
content = {
|
||||
type = "filesystem";
|
||||
format = "ext4";
|
||||
mountpoint = "/home";
|
||||
};
|
||||
};
|
||||
raw = {
|
||||
type = "lv";
|
||||
size = "10M";
|
||||
content = {
|
||||
type = "noop";
|
||||
};
|
||||
};
|
||||
};
|
||||
};
|
||||
};
|
||||
}
|
||||
];
|
||||
};
|
||||
};
|
||||
};
|
||||
disko-config = import ../example/raid.nix;
|
||||
tsp-create = pkgs.writeScript "create" ((pkgs.callPackage ../. {}).create disko-config);
|
||||
tsp-mount = pkgs.writeScript "mount" ((pkgs.callPackage ../. {}).mount disko-config);
|
||||
in makeTest' {
|
||||
@ -102,7 +25,7 @@ in makeTest' {
|
||||
# speed-up eval
|
||||
documentation.enable = false;
|
||||
|
||||
virtualisation.emptyDiskImages = [ 512 ];
|
||||
virtualisation.emptyDiskImages = [ 512 512 ];
|
||||
};
|
||||
|
||||
testScript = ''
|
||||
@ -110,6 +33,6 @@ in makeTest' {
|
||||
machine.succeed("${tsp-create}");
|
||||
machine.succeed("${tsp-mount}");
|
||||
machine.succeed("${tsp-mount}"); # verify that the command is idempotent
|
||||
machine.succeed("test -b /dev/mapper/pool-raw");
|
||||
machine.succeed("test -b /dev/md/raid1");
|
||||
'';
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user