mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-25 15:11:35 +00:00
58 lines
1.9 KiB
Nix
58 lines
1.9 KiB
Nix
import ./make-test.nix ({ pkgs, ... }: {
|
|
name = "overlayfs";
|
|
meta.maintainers = with pkgs.stdenv.lib.maintainers; [ bachp ];
|
|
|
|
machine = { pkgs, ... }: {
|
|
virtualisation.emptyDiskImages = [ 512 ];
|
|
networking.hostId = "deadbeef";
|
|
environment.systemPackages = with pkgs; [ parted ];
|
|
};
|
|
|
|
testScript = ''
|
|
$machine->succeed("ls /dev");
|
|
|
|
$machine->succeed("mkdir -p /tmp/mnt");
|
|
|
|
# Test ext4 + overlayfs
|
|
$machine->succeed(
|
|
|
|
"mkfs.ext4 -F -L overlay-ext4 /dev/vdb",
|
|
"mount -t ext4 /dev/vdb /tmp/mnt",
|
|
|
|
"mkdir -p /tmp/mnt/upper /tmp/mnt/lower /tmp/mnt/work /tmp/mnt/merged",
|
|
|
|
# Setup some existing files
|
|
"echo 'Replace' > /tmp/mnt/lower/replace.txt",
|
|
"echo 'Append' > /tmp/mnt/lower/append.txt",
|
|
"echo 'Overwrite' > /tmp/mnt/lower/overwrite.txt",
|
|
|
|
"mount -t overlay overlay -o lowerdir=/tmp/mnt/lower,upperdir=/tmp/mnt/upper,workdir=/tmp/mnt/work /tmp/mnt/merged",
|
|
|
|
# Test new
|
|
"echo 'New' > /tmp/mnt/merged/new.txt",
|
|
"[[ \"\$(cat /tmp/mnt/merged/new.txt)\" == \"New\" ]]",
|
|
|
|
# Test replace
|
|
"[[ \"\$(cat /tmp/mnt/merged/replace.txt)\" == \"Replace\" ]]",
|
|
"echo 'Replaced' > /tmp/mnt/merged/replace-tmp.txt",
|
|
"mv /tmp/mnt/merged/replace-tmp.txt /tmp/mnt/merged/replace.txt",
|
|
"[[ \"\$(cat /tmp/mnt/merged/replace.txt)\" == \"Replaced\" ]]",
|
|
|
|
# Overwrite
|
|
"[[ \"\$(cat /tmp/mnt/merged/overwrite.txt)\" == \"Overwrite\" ]]",
|
|
"echo 'Overwritten' > /tmp/mnt/merged/overwrite.txt",
|
|
"[[ \"\$(cat /tmp/mnt/merged/overwrite.txt)\" == \"Overwritten\" ]]",
|
|
|
|
# Test append
|
|
"[[ \"\$(cat /tmp/mnt/merged/append.txt)\" == \"Append\" ]]",
|
|
"echo 'ed' >> /tmp/mnt/merged/append.txt",
|
|
#"cat /tmp/mnt/merged/append.txt && exit 1",
|
|
"[[ \"\$(cat /tmp/mnt/merged/append.txt)\" == \"Append\ned\" ]]",
|
|
|
|
"umount /tmp/mnt/merged",
|
|
"umount /tmp/mnt",
|
|
"udevadm settle"
|
|
);
|
|
'';
|
|
})
|