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nixosTests.overlayfs: Port tests to python

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Christian Kampka 2019-12-15 19:13:56 +01:00
parent 5425557214
commit 5ae92144ba
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1 changed files with 35 additions and 42 deletions
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67
nixos/tests/overlayfs.nix
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@ -1,4 +1,4 @@
import ./make-test.nix ({ pkgs, ... }: {
import ./make-test-python.nix ({ pkgs, ... }: {
name = "overlayfs";
meta.maintainers = with pkgs.stdenv.lib.maintainers; [ bachp ];
@ -9,49 +9,42 @@ import ./make-test.nix ({ pkgs, ... }: {
};
testScript = ''
$machine->succeed("ls /dev");
machine.succeed("ls /dev")
$machine->succeed("mkdir -p /tmp/mnt");
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",
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",
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\" ]]",
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\" ]]",
[[ "\$(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\" ]]",
[[ "\$(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"
);
[[ "\$(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
"""
)
'';
})