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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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GPG key ID: B88E140DB4FE1AA5
1 changed files with 35 additions and 42 deletions
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77
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"; name = "overlayfs";
meta.maintainers = with pkgs.stdenv.lib.maintainers; [ bachp ]; meta.maintainers = with pkgs.stdenv.lib.maintainers; [ bachp ];
@ -9,49 +9,42 @@ import ./make-test.nix ({ pkgs, ... }: {
}; };
testScript = '' testScript = ''
$machine->succeed("ls /dev"); machine.succeed("ls /dev")
$machine->succeed("mkdir -p /tmp/mnt"); machine.succeed("mkdir -p /tmp/mnt")
# Test ext4 + overlayfs # Test ext4 + overlayfs
$machine->succeed( machine.succeed(
"""
"mkfs.ext4 -F -L overlay-ext4 /dev/vdb", mkfs.ext4 -F -L overlay-ext4 /dev/vdb
"mount -t ext4 /dev/vdb /tmp/mnt", mount -t ext4 /dev/vdb /tmp/mnt
mkdir -p /tmp/mnt/upper /tmp/mnt/lower /tmp/mnt/work /tmp/mnt/merged
"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
# Setup some existing files echo 'Append' > /tmp/mnt/lower/append.txt
"echo 'Replace' > /tmp/mnt/lower/replace.txt", echo 'Overwrite' > /tmp/mnt/lower/overwrite.txt
"echo 'Append' > /tmp/mnt/lower/append.txt", mount -t overlay overlay -o lowerdir=/tmp/mnt/lower,upperdir=/tmp/mnt/upper,workdir=/tmp/mnt/work /tmp/mnt/merged
"echo 'Overwrite' > /tmp/mnt/lower/overwrite.txt", # Test new
echo 'New' > /tmp/mnt/merged/new.txt
"mount -t overlay overlay -o lowerdir=/tmp/mnt/lower,upperdir=/tmp/mnt/upper,workdir=/tmp/mnt/work /tmp/mnt/merged", [[ "\$(cat /tmp/mnt/merged/new.txt)" == "New" ]]
# Test replace
# Test new [[ "\$(cat /tmp/mnt/merged/replace.txt)" == "Replace" ]]
"echo 'New' > /tmp/mnt/merged/new.txt", echo 'Replaced' > /tmp/mnt/merged/replace-tmp.txt
"[[ \"\$(cat /tmp/mnt/merged/new.txt)\" == \"New\" ]]", mv /tmp/mnt/merged/replace-tmp.txt /tmp/mnt/merged/replace.txt
[[ "\$(cat /tmp/mnt/merged/replace.txt)" == "Replaced" ]]
# Test replace # Overwrite
"[[ \"\$(cat /tmp/mnt/merged/replace.txt)\" == \"Replace\" ]]", [[ "\$(cat /tmp/mnt/merged/overwrite.txt)" == "Overwrite" ]]
"echo 'Replaced' > /tmp/mnt/merged/replace-tmp.txt", echo 'Overwritten' > /tmp/mnt/merged/overwrite.txt
"mv /tmp/mnt/merged/replace-tmp.txt /tmp/mnt/merged/replace.txt", [[ "\$(cat /tmp/mnt/merged/overwrite.txt)" == "Overwritten" ]]
"[[ \"\$(cat /tmp/mnt/merged/replace.txt)\" == \"Replaced\" ]]", # Test append
[[ "\$(cat /tmp/mnt/merged/append.txt)" == "Append" ]]
# Overwrite echo 'ed' >> /tmp/mnt/merged/append.txt
"[[ \"\$(cat /tmp/mnt/merged/overwrite.txt)\" == \"Overwrite\" ]]", #"cat /tmp/mnt/merged/append.txt && exit 1
"echo 'Overwritten' > /tmp/mnt/merged/overwrite.txt", [[ "\$(cat /tmp/mnt/merged/append.txt)" == "Append\ned" ]]
"[[ \"\$(cat /tmp/mnt/merged/overwrite.txt)\" == \"Overwritten\" ]]", umount /tmp/mnt/merged
umount /tmp/mnt
# Test append 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"
);
''; '';
}) })