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#!/usr/bin/env bats
load helpers
@test "applydiff" {
# 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 $lowerlayer
# Create new layers and populate them using the layer diffs.
run storage --debug=false create-layer
[ "$status" -eq 0 ]
[ "$output" != "" ]
lowerlayer="$output"
storage applydiff -f $TESTDIR/lower.tar "$lowerlayer"
run storage --debug=false create-layer "$lowerlayer"
[ "$status" -eq 0 ]
[ "$output" != "" ]
midlayer="$output"
storage applydiff -f $TESTDIR/middle.tar "$midlayer"
run storage --debug=false create-layer "$midlayer"
[ "$status" -eq 0 ]
[ "$output" != "" ]
upperlayer="$output"
storage applydiff -f $TESTDIR/upper.tar "$upperlayer"
# The contents of these new layers should match what the old ones had.
checkchanges
checkdiffs
}
@test "apply-diff-from-staging-directory" {
case "$STORAGE_DRIVER" in
overlay*)
;;
*)
skip "driver $STORAGE_DRIVER does not support diff-from-staging-directory"
;;
esac
SRC=$TESTDIR/source
mkdir -p $SRC
createrandom $SRC/file1
createrandom $SRC/file2
createrandom $SRC/file3
local sconf=$TESTDIR/storage.conf
local root=`storage status 2>&1 | awk '/^Root:/{print $2}'`
local runroot=`storage status 2>&1 | awk '/^Run Root:/{print $3}'`
cat >$sconf <<EOF
[storage]
driver="overlay"
graphroot="$root"
runroot="$runroot"
[storage.options.pull_options]
enable_partial_images = "true"
EOF
# Create a layer.
CONTAINERS_STORAGE_CONF=$sconf run ${STORAGE_BINARY} create-layer
[ "$status" -eq 0 ]
[ "$output" != "" ]
layer="$output"
CONTAINERS_STORAGE_CONF=$sconf run ${STORAGE_BINARY} applydiff-using-staging-dir $layer $SRC
[ "$status" -eq 0 ]
name=safe-image
CONTAINERS_STORAGE_CONF=$sconf run ${STORAGE_BINARY} create-image --name $name $layer
[ "$status" -eq 0 ]
ctrname=foo
CONTAINERS_STORAGE_CONF=$sconf run ${STORAGE_BINARY} create-container --name $ctrname $name
[ "$status" -eq 0 ]
CONTAINERS_STORAGE_CONF=$sconf run ${STORAGE_BINARY} mount $ctrname
[ "$status" -eq 0 ]
mount="$output"
for i in file1 file2 file3 ; do
run cmp $SRC/$i $mount/$i
[ "$status" -eq 0 ]
done
}
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