storage/tests/import-layer.bats

137 lines
3.3 KiB
Bash

#!/usr/bin/env bats
load helpers
@test "import-layer" {
# The checkdiffs function needs "tar".
if test -z "$(which tar 2> /dev/null)" ; then
skip "need tar"
fi
# Create and populate three interesting layers.
populate
# Extract the layers.
storage diff -u -f $TESTDIR/lower.tar $lowerlayer
storage diff -c -f $TESTDIR/middle.tar $midlayer
storage diff -u -f $TESTDIR/upper.tar $upperlayer
# Delete the layers.
storage delete-layer $upperlayer
storage delete-layer $midlayer
storage delete-layer $lowerlayer
# Import new layers using the layer diffs.
run storage --debug=false import-layer -f $TESTDIR/lower.tar
[ "$status" -eq 0 ]
[ "$output" != "" ]
lowerlayer="$output"
run storage --debug=false import-layer -f $TESTDIR/middle.tar "$lowerlayer"
[ "$status" -eq 0 ]
[ "$output" != "" ]
midlayer="$output"
run storage --debug=false import-layer -f $TESTDIR/upper.tar "$midlayer"
[ "$status" -eq 0 ]
[ "$output" != "" ]
upperlayer="$output"
# The contents of these new layers should match what the old ones had.
checkchanges
checkdiffs
}
set_immutable() {
chflags schg $1
}
reset_immutable() {
chflags noschg $1
}
is_immutable() {
local flags=$(stat -f %#Xf $1)
[ "$((($flags & 0x20000) == 0x20000))" -ne 0 ]
}
@test "import-layer-with-immutable" {
if [ "$OS" != "FreeBSD" ]; then
skip "not supported on $OS"
fi
# Create a layer with a directory containing two files, both
# immutable. The directory is also set as immutablr.
run storage --debug=false create-layer
echo $output
[ "$status" -eq 0 ]
[ "$output" != "" ]
lowerlayer="$output"
run storage --debug=false mount $lowerlayer
[ "$status" -eq 0 ]
[ "$output" != "" ]
local m="$output"
mkdir $m/dir
createrandom $m/dir/layer1file1
createrandom $m/dir/layer1file2
set_immutable $m/dir/layer1file1
set_immutable $m/dir/layer1file2
set_immutable $m/dir
storage unmount $lowerlayer
# Create a second layer which deletes one file and removes immutable from the other
run storage --debug=false create-layer "$lowerlayer"
[ "$status" -eq 0 ]
[ "$output" != "" ]
upperlayer="$output"
run storage --debug=false mount $upperlayer
[ "$status" -eq 0 ]
[ "$output" != "" ]
m="$output"
reset_immutable $m/dir
reset_immutable $m/dir/layer1file1
rm $m/dir/layer1file1
reset_immutable $m/dir/layer1file2
set_immutable $m/dir
storage unmount $upperlayer
# Extract the layers.
storage diff -u -f $TESTDIR/lower.tar $lowerlayer
storage diff -u -f $TESTDIR/upper.tar $upperlayer
# Delete the layers.
storage delete-layer $upperlayer
storage delete-layer $lowerlayer
# Import new layers using the layer diffs.
run storage --debug=false import-layer -f $TESTDIR/lower.tar
[ "$status" -eq 0 ]
[ "$output" != "" ]
lowerlayer="$output"
run storage --debug=false import-layer -f $TESTDIR/upper.tar "$lowerlayer"
[ "$status" -eq 0 ]
[ "$output" != "" ]
upperlayer="$output"
# Verify layer contents
run storage --debug=false mount $lowerlayer
[ "$status" -eq 0 ]
[ "$output" != "" ]
m="$output"
is_immutable $m/dir/layer1file1
is_immutable $m/dir/layer1file2
storage unmount $lowerlayer
run storage --debug=false mount $upperlayer
[ "$status" -eq 0 ]
[ "$output" != "" ]
m="$output"
[ ! -f $m/dir/layer1file1 ]
! is_immutable $m/dir/layer1file2
storage unmount $upperlayer
storage delete-layer $upperlayer
storage delete-layer $lowerlayer
}