Merge pull request #474 from Enzime/fix/zfs-root-dataset

zpool: fix default dataset getting shadowed
This commit is contained in:
Lassulus 2023-12-20 10:06:54 +01:00 committed by GitHub
commit b4104fcaea
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 108 additions and 0 deletions

79
example/non-root-zfs.nix Normal file
View File

@ -0,0 +1,79 @@
{
disko.devices = {
disk = {
x = {
type = "disk";
device = "/dev/sdx";
content = {
type = "gpt";
partitions = {
ESP = {
size = "64M";
type = "EF00";
content = {
type = "filesystem";
format = "vfat";
mountpoint = "/boot";
};
};
root = {
size = "100%";
content = {
type = "filesystem";
format = "ext4";
mountpoint = "/";
};
};
};
};
};
y = {
type = "disk";
device = "/dev/sdy";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "storage";
};
};
};
};
};
z = {
type = "disk";
device = "/dev/sdz";
content = {
type = "gpt";
partitions = {
zfs = {
size = "100%";
content = {
type = "zfs";
pool = "storage";
};
};
};
};
};
};
zpool = {
storage = {
type = "zpool";
mode = "mirror";
mountpoint = "/storage";
datasets = {
dataset = {
type = "zfs_fs";
mountpoint = "/storage/dataset";
};
};
};
};
};
}

View File

@ -67,6 +67,9 @@
${lib.concatStringsSep " " (lib.mapAttrsToList (n: v: "-o ${n}=${v}") config.options)} \
${lib.concatStringsSep " " (lib.mapAttrsToList (n: v: "-O ${n}=${v}") config.rootFsOptions)} \
"''${zfs_devices[@]}"
${lib.optionalString ((config.rootFsOptions.mountpoint or "") != "none") ''
zfs unmount ${config.name}
''}
${lib.concatMapStrings (dataset: dataset._create) (lib.attrValues config.datasets)}
'';
};

26
tests/non-root-zfs.nix Normal file
View File

@ -0,0 +1,26 @@
{ pkgs ? import <nixpkgs> { }
, diskoLib ? pkgs.callPackage ../lib { }
}:
diskoLib.testLib.makeDiskoTest {
inherit pkgs;
name = "non-root-zfs";
disko-config = ../example/non-root-zfs.nix;
extraInstallerConfig.networking.hostId = "8425e349";
extraSystemConfig.networking.hostId = "8425e349";
postDisko = ''
machine.succeed("mountpoint /mnt/storage")
machine.succeed("mountpoint /mnt/storage/dataset")
filesystem = machine.execute("stat --file-system --format=%T /mnt/storage")[1].rstrip()
print(f"/mnt/storage {filesystem=}")
assert filesystem == "zfs", "/mnt/storage is not ZFS"
'';
extraTestScript = ''
machine.succeed("mountpoint /storage")
machine.succeed("mountpoint /storage/dataset")
filesystem = machine.execute("stat --file-system --format=%T /storage")[1].rstrip()
print(f"/mnt/storage {filesystem=}")
assert filesystem == "zfs", "/storage is not ZFS"
'';
}