forked from containers/storage
/
idmaps.bats
935 lines (896 loc) · 28.7 KB
/
idmaps.bats
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#!/usr/bin/env bats
load helpers
@test "idmaps-create-apply-layer" {
case "$STORAGE_DRIVER" in
btrfs|devicemapper|overlay*|vfs|zfs)
;;
*)
skip "not supported by driver $STORAGE_DRIVER"
;;
esac
case "$STORAGE_OPTION" in
*mount_program*)
skip "test not supported when using mount_program"
;;
esac
n=5
host=2
# Create some temporary files.
for i in $(seq $n) ; do
createrandom "$TESTDIR"/file$i
chown ${i}:${i} "$TESTDIR"/file$i
ln -s . $TESTDIR/subdir$i
done
# Use them to create some diffs.
pushd $TESTDIR > /dev/null
for i in $(seq $n) ; do
tar cf diff${i}.tar subdir$i/
done
popd > /dev/null
# Select some ID ranges.
for i in $(seq $n) ; do
uidrange[$i]=$((($RANDOM+32767)*65536))
gidrange[$i]=$((($RANDOM+32767)*65536))
done
# Create a layer using the host's mappings.
run storage --debug=false create-layer --hostuidmap --hostgidmap
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
lowerlayer="$output"
# Mount the layer.
run storage --debug=false mount $lowerlayer
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
lowermount="$output"
# Copy the files in (host mapping, so it's fine), and set ownerships on them.
cp -p "$TESTDIR"/file1 ${lowermount}
cp -p "$TESTDIR"/file2 ${lowermount}
cp -p "$TESTDIR"/file3 ${lowermount}
cp -p "$TESTDIR"/file4 ${lowermount}
cp -p "$TESTDIR"/file5 ${lowermount}
# Create new layers.
for i in $(seq $n) ; do
if test $host -ne $i ; then
run storage --debug=false create-layer --uidmap 0:${uidrange[$i]}:$(($n+1)) --gidmap 0:${gidrange[$i]}:$(($n+1)) $lowerlayer
else
uidrange[$host]=0
gidrange[$host]=0
run storage --debug=false create-layer --hostuidmap --hostgidmap $lowerlayer
fi
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
upperlayer="$output"
run storage --debug=false mount $upperlayer
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
uppermount="$output"
run storage --debug=false apply-diff $upperlayer < ${TESTDIR}/diff${i}.tar
echo "$output"
[ "$status" -eq 0 ]
[ "$output" = "" ]
for j in $(seq $n) ; do
# Check the inherited original files.
cmp ${uppermount}/file$j "$TESTDIR"/file$j
uid=$(stat -c %u ${uppermount}/file$j)
gid=$(stat -c %g ${uppermount}/file$j)
echo test found ${uid}:${gid} = expected $((${uidrange[$i]}+$j)):$((${gidrange[$i]}+$j)) for file$j
test ${uid}:${gid} = $((${uidrange[$i]}+$j)):$((${gidrange[$i]}+$j))
# Check the inherited/current layer's diff files.
for k in $(seq $i) ; do
cmp ${uppermount}/subdir$k/file$j "$TESTDIR"/file$j
uid=$(stat -c %u ${uppermount}/subdir$k/file$j)
gid=$(stat -c %g ${uppermount}/subdir$k/file$j)
echo test found ${uid}:${gid} = expected $((${uidrange[$i]}+$j)):$((${gidrange[$i]}+$j)) for subdir$k/file$j
test ${uid}:${gid} = $((${uidrange[$i]}+$j)):$((${gidrange[$i]}+$j))
done
done
lowerlayer=$upperlayer
done
}
@test "idmaps-create-diff-layer" {
case "$STORAGE_DRIVER" in
btrfs|devicemapper|overlay*|vfs|zfs)
;;
*)
skip "not supported by driver $STORAGE_DRIVER"
;;
esac
case "$STORAGE_OPTION" in
*mount_program*)
skip "test not supported when using mount_program"
;;
esac
n=5
host=2
# Create some temporary files.
for i in $(seq $n) ; do
createrandom "$TESTDIR"/file$i
done
# Select some ID ranges.
for i in 0 $(seq $n) ; do
uidrange[$i]=$((($RANDOM+32767)*65536))
gidrange[$i]=$((($RANDOM+32767)*65536))
done
# Create a layer using some random mappings.
run storage --debug=false create-layer --uidmap 0:${uidrange[0]}:$(($n+1)) --gidmap 0:${gidrange[0]}:$(($n+1))
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
lowerlayer="$output"
# Mount the layer.
run storage --debug=false mount $lowerlayer
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
lowermount="$output"
# Copy the files in, and set ownerships on them.
for i in $(seq $n) ; do
cp "$TESTDIR"/file$i ${lowermount}
chown $((${uidrange[0]}+$i)):$((${gidrange[0]}+$i)) ${lowermount}/file$i
done
# Create new layers.
for i in $(seq $n) ; do
if test $host -ne $i ; then
run storage --debug=false create-layer --uidmap 0:${uidrange[$i]}:$(($n+1)) --gidmap 0:${gidrange[$i]}:$(($n+1)) $lowerlayer
else
uidrange[$host]=0
gidrange[$host]=0
run storage --debug=false create-layer --hostuidmap --hostgidmap $lowerlayer
fi
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
upperlayer="$output"
run storage --debug=false mount $upperlayer
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
uppermount="$output"
# Change the owner of one file to 0:0.
chown ${uidrange[$i]}:${gidrange[$i]} ${uppermount}/file$i
# Verify that the file is the only thing that shows up in a change list.
run storage --debug=false changes $upperlayer
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
[ "${#lines[*]}" -eq 1 ]
[ "$output" = "Modify \"/file$i\"" ]
# Verify that the file is the only thing that shows up in a diff.
run storage --debug=false diff -f $TESTDIR/diff.tar $upperlayer
echo "$output"
[ "$status" -eq 0 ]
run tar tf $TESTDIR/diff.tar
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
[ "${#lines[*]}" -eq 1 ]
[ "$output" = file$i ]
# Check who owns that file, according to the diff.
mkdir "$TESTDIR"/subdir$i
pushd "$TESTDIR"/subdir$i > /dev/null
run tar xf $TESTDIR/diff.tar
[ "$status" -eq 0 ]
run stat -c %u:%g file$i
[ "$status" -eq 0 ]
[ "$output" = 0:0 ]
popd > /dev/null
lowerlayer=$upperlayer
done
}
@test "idmaps-create-container" {
case "$STORAGE_DRIVER" in
btrfs|devicemapper|overlay*|vfs|zfs)
;;
*)
skip "not supported by driver $STORAGE_DRIVER"
;;
esac
case "$STORAGE_OPTION" in
*mount_program*)
skip "test not supported when using mount_program"
;;
esac
n=5
host=2
# Create some temporary files.
for i in $(seq $n) ; do
createrandom "$TESTDIR"/file$i
done
# Select some ID ranges.
for i in 0 $(seq $(($n+1))) ; do
uidrange[$i]=$((($RANDOM+32767)*65536))
gidrange[$i]=$((($RANDOM+32767)*65536))
done
# Create a layer using some random mappings.
run storage --debug=false create-layer --uidmap 0:${uidrange[0]}:$(($n+1)) --gidmap 0:${gidrange[0]}:$(($n+1))
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
lowerlayer="$output"
# Mount the layer.
run storage --debug=false mount $lowerlayer
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
lowermount="$output"
# Copy the files in, and set ownerships on them.
for i in $(seq $n) ; do
cp "$TESTDIR"/file$i ${lowermount}
chown $((${uidrange[0]}+$i)):$((${gidrange[0]}+$i)) ${lowermount}/file$i
done
# Create new layers.
for i in $(seq $n) ; do
if test $host -ne $i ; then
run storage --debug=false create-layer --uidmap 0:${uidrange[$i]}:$(($n+1)) --gidmap 0:${gidrange[$i]}:$(($n+1)) $lowerlayer
else
uidrange[$host]=0
gidrange[$host]=0
run storage --debug=false create-layer --hostuidmap --hostgidmap $lowerlayer
fi
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
upperlayer="$output"
run storage --debug=false mount $upperlayer
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
uppermount="$output"
# Change the owner of one file to 0:0.
chown ${uidrange[$i]}:${gidrange[$i]} ${uppermount}/file$i
# Verify that the file is the only thing that shows up in a change list.
run storage --debug=false changes $upperlayer
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
[ "${#lines[*]}" -eq 1 ]
[ "$output" = "Modify \"/file$i\"" ]
lowerlayer=$upperlayer
done
# Create new containers based on the layer.
imagename=idmappedimage
storage create-image --name=$imagename $lowerlayer
run storage --debug=false create-container --hostuidmap --hostgidmap $imagename
[ "$status" -eq 0 ]
[ "$output" != "" ]
hostcontainer="$output"
run storage --debug=false mount $hostcontainer
[ "$status" -eq 0 ]
[ "$output" != "" ]
hostmount="$output"
for i in $(seq $n) ; do
run stat -c %u:%g "$hostmount"/file$i
[ "$status" -eq 0 ]
[ "$output" = 0:0 ]
done
run storage --debug=false create-container --hostuidmap --hostgidmap $imagename
[ "$status" -eq 0 ]
[ "$output" != "" ]
hostcontainer="$output"
run storage --debug=false mount $hostcontainer
[ "$status" -eq 0 ]
[ "$output" != "" ]
hostmount="$output"
for i in $(seq $n) ; do
run stat -c %u:%g "$hostmount"/file$i
[ "$status" -eq 0 ]
[ "$output" = 0:0 ]
done
run storage --debug=false create-container --uidmap 0:${uidrange[$(($n+1))]}:$(($n+1)) --gidmap 0:${gidrange[$(($n+1))]}:$(($n+1)) $imagename
[ "$status" -eq 0 ]
[ "$output" != "" ]
newmapcontainer="$output"
run storage --debug=false mount $newmapcontainer
[ "$status" -eq 0 ]
[ "$output" != "" ]
newmapmount="$output"
for i in $(seq $n) ; do
run stat -c %u:%g "$newmapmount"/file$i
[ "$status" -eq 0 ]
[ "$output" = ${uidrange[$(($n+1))]}:${gidrange[$(($n+1))]} ]
done
run storage --debug=false create-container $imagename
[ "$status" -eq 0 ]
[ "$output" != "" ]
defmapcontainer="$output"
run storage --debug=false mount $defmapcontainer
[ "$status" -eq 0 ]
[ "$output" != "" ]
defmapmount="$output"
for i in $(seq $n) ; do
run stat -c %u:%g "$defmapmount"/file$i
[ "$status" -eq 0 ]
[ "$output" = "0:0" ]
done
}
@test "idmaps-parent-owners" {
case "$STORAGE_DRIVER" in
btrfs|devicemapper|overlay*|vfs|zfs)
;;
*)
skip "not supported by driver $STORAGE_DRIVER"
;;
esac
case "$STORAGE_OPTION" in
*mount_program*)
skip "test not supported when using mount_program"
;;
esac
n=5
# Create some temporary files.
for i in $(seq $n) ; do
createrandom "$TESTDIR"/file$i
done
# Select some ID ranges.
uidrange=$((($RANDOM+32767)*65536))
gidrange=$((($RANDOM+32767)*65536))
# Create a layer using some random mappings.
run storage --debug=false create-layer --uidmap 0:${uidrange}:$(($n+1)) --gidmap 0:${gidrange}:$(($n+1))
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
layer="$output"
# Mount the layer.
run storage mount $layer
echo "$output"
[ "$status" -eq 0 ]
# Check who owns the parent directories.
run storage --debug=false layer-parent-owners $layer
echo "$output"
[ "$status" -eq 0 ]
# Assume that except for root and maybe us, there are no other owners of parent directories of our layer.
if ! fgrep -q 'UIDs: [0]' <<< "$output" ; then
fgrep -q 'UIDs: [0, '$(id -u)']' <<< "$output"
fi
if ! fgrep -q 'GIDs: [0]' <<< "$output" ; then
fgrep -q 'GIDs: [0, '$(id -g)']' <<< "$output"
fi
# Create a new container based on the layer.
imagename=idmappedimage
storage create-image --name=$imagename $layer
run storage --debug=false create-container $imagename
[ "$status" -eq 0 ]
[ "$output" != "" ]
container="$output"
# Mount the container.
run storage mount $container
echo "$output"
[ "$status" -eq 0 ]
# Check who owns the parent directories.
run storage --debug=false container-parent-owners $container
[ "$status" -eq 0 ]
cat <<< "$output" | tr '\n' '_'
# Check there are no unmapped IDs
fgrep -q 'UIDs: []' <<< "$output"
fgrep -q 'GIDs: []' <<< "$output"
}
@test "idmaps-copy" {
case "$STORAGE_DRIVER" in
btrfs|devicemapper|overlay*|vfs|zfs)
;;
*)
skip "not supported by driver $STORAGE_DRIVER"
;;
esac
case "$STORAGE_OPTION" in
*mount_program*)
skip "test not supported when using mount_program"
;;
esac
n=5
host=2
# Create some temporary files.
mkdir -p "$TESTDIR"/subdir/subdir2
for i in 0 $(seq $n) ; do
createrandom "$TESTDIR"/file$i
chown "$i":"$i" "$TESTDIR"/file$i
createrandom "$TESTDIR"/subdir/subdir2/file$i
chown "$i":"$i" "$TESTDIR"/subdir/subdir2/file$i
done
chown "$(($n+1))":"$(($n+1))" "$TESTDIR"/subdir/subdir2
# Select some ID ranges for ID mappings.
for i in 0 $(seq $(($n+1))) ; do
uidrange[$i]=$((($RANDOM+32767)*65536))
gidrange[$i]=$((($RANDOM+32767)*65536))
# Create a layer using some those mappings.
run storage --debug=false create-layer --uidmap 0:${uidrange[$i]}:101 --gidmap 0:${gidrange[$i]}:101
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
layer[$i]="$output"
done
# Copy the file in, and check that its ownerships get mapped correctly.
for i in 0 $(seq $n) ; do
run storage copy "$TESTDIR"/file$i ${layer[$i]}:/file$i
echo "$output"
[ "$status" -eq 0 ]
run storage --debug=false mount ${layer[$i]}
echo "$output"
[ "$status" -eq 0 ]
mnt[$i]="$output"
run stat -c "%u:%g" ${mnt[$i]}/file$i
echo "$output"
[ "$status" -eq 0 ]
uid=$((${uidrange[$i]}+$i))
gid=$((${gidrange[$i]}+$i))
echo comparing "$output" and "$uid:$gid"
[ "$output" == "$uid:$gid" ]
# Try copying with --chown.
run storage copy --chown 100:100 "$TESTDIR"/file$i ${layer[$i]}:/file$i
echo "$output"
[ "$status" -eq 0 ]
run storage --debug=false mount ${layer[$i]}
echo "$output"
[ "$status" -eq 0 ]
mnt[$i]="$output"
run stat -c "%u:%g" ${mnt[$i]}/file$i
echo "$output"
[ "$status" -eq 0 ]
uid=$((${uidrange[$i]}+100))
gid=$((${gidrange[$i]}+100))
echo comparing "$output" and "$uid:$gid"
[ "$output" == "$uid:$gid" ]
done
# Copy the subdirectory, and check that its ownerships and that of its contents get mapped correctly.
for i in 0 $(seq $n) ; do
run storage copy "$TESTDIR"/file$i ${layer[$i]}:/file$i
echo "$output"
[ "$status" -eq 0 ]
run stat -c "%u:%g" ${mnt[$i]}/file$i
echo "$output"
[ "$status" -eq 0 ]
uid=$((${uidrange[$i]}+$i))
gid=$((${gidrange[$i]}+$i))
echo comparing "$output" and "$uid:$gid"
[ "$output" == "$uid:$gid" ]
# Try copying with --chown.
run storage copy --chown 100:100 "$TESTDIR"/file$i ${layer[$i]}:/file$i
echo "$output"
[ "$status" -eq 0 ]
run stat -c "%u:%g" ${mnt[$i]}/file$i
echo "$output"
[ "$status" -eq 0 ]
uid=$((${uidrange[$i]}+100))
gid=$((${gidrange[$i]}+100))
echo comparing "$output" and "$uid:$gid"
[ "$output" == "$uid:$gid" ]
# Try copying a directory tree.
run storage copy "$TESTDIR"/subdir ${layer[$i]}:/subdir
echo "$output"
[ "$status" -eq 0 ]
run stat -c "%u:%g" ${mnt[$i]}/subdir/subdir2/file$i
echo "$output"
[ "$status" -eq 0 ]
uid=$((${uidrange[$i]}+$i))
gid=$((${gidrange[$i]}+$i))
echo comparing "$output" and "$uid:$gid"
[ "$output" == "$uid:$gid" ]
run stat -c "%u:%g" ${mnt[$i]}/subdir/subdir2
echo "$output"
[ "$status" -eq 0 ]
uid=$((${uidrange[$i]}+$n+1))
gid=$((${gidrange[$i]}+$n+1))
echo comparing "$output" and "$uid:$gid"
[ "$output" == "$uid:$gid" ]
# Try copying a directory tree with --chown.
run storage copy --chown 100:100 "$TESTDIR"/subdir ${layer[$i]}:/subdir2
echo "$output"
[ "$status" -eq 0 ]
run stat -c "%u:%g" ${mnt[$i]}/subdir2/subdir2/file$i
echo "$output"
[ "$status" -eq 0 ]
uid=$((${uidrange[$i]}+100))
gid=$((${gidrange[$i]}+100))
echo comparing "$output" and "$uid:$gid"
[ "$output" == "$uid:$gid" ]
run stat -c "%u:%g" ${mnt[$i]}/subdir2/subdir2
echo "$output"
[ "$status" -eq 0 ]
uid=$((${uidrange[$i]}+100))
gid=$((${gidrange[$i]}+100))
echo comparing "$output" and "$uid:$gid"
[ "$output" == "$uid:$gid" ]
done
# Copy a file out of a layer, into another one.
run storage copy "$TESTDIR"/file$n ${layer[0]}:/file$n
echo "$output"
[ "$status" -eq 0 ]
run storage copy ${layer[0]}:/file$n ${layer[$n]}:/file$n
echo "$output"
[ "$status" -eq 0 ]
run stat -c "%u:%g" ${mnt[$n]}/file$n
echo "$output"
[ "$status" -eq 0 ]
uid=$((${uidrange[$n]}+$n))
gid=$((${gidrange[$n]}+$n))
echo comparing "$output" and "$uid:$gid"
[ "$output" == "$uid:$gid" ]
# Try copying a directory tree.
run storage copy ${layer[0]}:/subdir ${layer[$n]}:/subdir
echo "$output"
[ "$status" -eq 0 ]
run stat -c "%u:%g" ${mnt[$n]}/subdir/subdir2/file$n
echo "$output"
[ "$status" -eq 0 ]
uid=$((${uidrange[$n]}+$n))
gid=$((${gidrange[$n]}+$n))
echo comparing "$output" and "$uid:$gid"
[ "$output" == "$uid:$gid" ]
run stat -c "%u:%g" ${mnt[$n]}/subdir/subdir2
echo "$output"
[ "$status" -eq 0 ]
uid=$((${uidrange[$n]}+$n+1))
gid=$((${gidrange[$n]}+$n+1))
echo comparing "$output" and "$uid:$gid"
[ "$output" == "$uid:$gid" ]
}
@test "idmaps-create-mapped-image" {
case "$STORAGE_DRIVER" in
btrfs|devicemapper|overlay*|vfs|zfs)
;;
*)
skip "not supported by driver $STORAGE_DRIVER"
;;
esac
case "$STORAGE_OPTION" in
*mount_program*)
skip "test not supported when using mount_program"
;;
esac
n=5
host=2
filelist=
# Create some temporary files.
for i in $(seq $n) ; do
createrandom "$TESTDIR"/file$i
chown ${i}:${i} "$TESTDIR"/file$i
filelist="$filelist file$i"
done
# Select some ID ranges.
for i in $(seq $n) ; do
uidrange[$i]=$((($RANDOM+32767)*65536))
gidrange[$i]=$((($RANDOM+32767)*65536))
done
# Create a base layer using the host's mappings.
run storage --debug=false create-layer --hostuidmap --hostgidmap
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
baselayer="$output"
# Create an empty layer blob and apply it to the layer.
dd if=/dev/zero bs=1k count=1 of="$TESTDIR"/layer.empty
run storage --debug=false applydiff -f "$TESTDIR"/layer.empty $baselayer
# Create a layer using the host's mappings.
run storage --debug=false create-layer --hostuidmap --hostgidmap $baselayer
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
lowerlayer="$output"
# Create a layer blob containing the files and apply it to the layer.
tar --directory "$TESTDIR" -cvf "$TESTDIR"/layer.tar $filelist
run storage --debug=false applydiff -f "$TESTDIR"/layer.tar $lowerlayer
# Create an image record for this layer.
run storage --debug=false create-image $lowerlayer
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
image="$output"
echo image:$image
# Check that we can compute the size of the image.
run storage --debug=false image $image
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
size=$(grep ^Size: <<< "$output" | sed 's,^Size: ,,g')
[ "$size" -ne 0 ]
echo size:$size
# Create containers using this image.
containers=
for i in $(seq $n) ; do
if test $host -ne $i ; then
run storage --debug=false create-container --uidmap 0:${uidrange[$i]}:$(($n+1)) --gidmap 0:${gidrange[$i]}:$(($n+1)) $image
else
uidrange[$host]=0
gidrange[$host]=0
run storage --debug=false create-container --hostuidmap --hostgidmap $image
fi
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
container=${lines[0]}
containers[$i-1]="$container"
# Check that the ownerships came out right.
run storage --debug=false mount "$container"
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
mount="$output"
for j in $(seq $n) ; do
ownerids=$(stat -c %u:%g ${mount}/file$j)
echo on-disk IDs: "$ownerids"
echo expected IDs: $((${uidrange[$i]}+$j)):$((${gidrange[$i]}+$j))
[ "$ownerids" = $((${uidrange[$i]}+$j)):$((${gidrange[$i]}+$j)) ]
done
run storage --debug=false unmount "$container"
[ "$status" -eq 0 ]
done
# Each of the containers' layers should have a different parent layer,
# all of which should be a top layer for the image. The containers
# themselves have no contents at this point.
declare -a parents
echo containers list is \"${containers[*]}\"
for container in "${containers[@]}" ; do
run storage --debug=false container $container
echo container "$container":"$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
baseimage=$(grep ^Image: <<< "$output" | sed 's,^Image: ,,g')
echo baseimage:"$baseimage"
[ "$baseimage" = "$image" ]
layer=$(grep ^Layer: <<< "$output" | sed 's,^Layer: ,,g')
echo layer:"$layer"
size=$(grep ^Size: <<< "$output" | sed 's,^Size: ,,g')
[ "$size" -eq 0 ]
echo size:$size
run storage --debug=false layer $layer
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
parent=$(grep ^Parent: <<< "$output" | sed 's,^Parent: ,,g')
echo parent:"$parent"
parents[${#parents[*]}]="$parent"
run storage --debug=false image $baseimage
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
grep "^Top Layer: $parent" <<< "$output"
done
nparents=$(for p in ${parents[@]} ; do echo $p ; done | sort -u | wc -l)
echo nparents:$nparents
[ $nparents -eq $n ]
# The image should have five top layers at this point, they should all
# have known sizes, and we should be able to diff them all.
run storage --debug=false image $image
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
tops=$(grep '^Top Layer:' <<< "$output" | sed 's,^Top Layer: ,,g')
echo tops: "$tops"
ntops=$(for p in $tops; do echo $p ; done | sort -u | wc -l)
echo ntops:$ntops
[ $ntops -eq $n ]
for p in $tops; do
rm -f "$TESTDIR"/diff.tar
storage --debug=false diff -u -f "$TESTDIR"/diff.tar "$p"
test -s "$TESTDIR"/diff.tar
expected=$(storage --debug=false layer --json $p | sed -r -e 's|.*"diff-size":([^",]*).*|\1|g')
actual=$(stat -c %s "$TESTDIR"/diff.tar)
echo expected diff size "$expected", got "$actual"
test $actual = $expected
expected=$(storage --debug=false layer --json $p | sed -r -e 's|.*"diff-digest":"?([^",]*).*|\1|g')
actual=sha256:$(sha256sum "$TESTDIR"/diff.tar | sed -e 's, .*,,g')
echo expected diff digest "$expected", got "$actual"
test $actual = $expected
done
# Remove the containers and image and check that all of the layers we used got removed.
for container in "${containers[@]}" ; do
run storage --debug=false delete-container $container
done
run storage --debug=false delete-image $image
run storage --debug=false layers
echo "$output"
[ "$status" -eq 0 ]
[ "$output" == "" ]
}
@test "idmaps-create-mapped-container" {
case "$STORAGE_DRIVER" in
overlay*|vfs)
;;
*)
skip "${STORAGE_DRIVER}.imagestore option not supported by driver ${STORAGE_DRIVER}"
;;
esac
case "$STORAGE_OPTION" in
*mount_program*)
skip "test not supported when using mount_program"
;;
esac
n=5
host=2
# Create some temporary files.
for i in $(seq $n) ; do
createrandom "$TESTDIR"/file$i
chown ${i}:${i} "$TESTDIR"/file$i
done
# Select some ID ranges.
for i in $(seq $n) ; do
uidrange[$i]=$((($RANDOM+32767)*65536))
gidrange[$i]=$((($RANDOM+32767)*65536))
done
# Create a base layer using the host's mappings.
run storage --debug=false --graph ${TESTDIR}/ro-root --run ${TESTDIR}/ro-runroot create-layer --hostuidmap --hostgidmap
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
baselayer="$output"
# Create a layer using the host's mappings.
run storage --debug=false --graph ${TESTDIR}/ro-root --run ${TESTDIR}/ro-runroot create-layer --hostuidmap --hostgidmap $baselayer
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
lowerlayer="$output"
# Mount the layer.
run storage --debug=false --graph ${TESTDIR}/ro-root --run ${TESTDIR}/ro-runroot mount $lowerlayer
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
lowermount="$output"
# Copy the files in (host mapping, so it's fine), and set ownerships on them.
cp -p "$TESTDIR"/file1 ${lowermount}
cp -p "$TESTDIR"/file2 ${lowermount}
cp -p "$TESTDIR"/file3 ${lowermount}
cp -p "$TESTDIR"/file4 ${lowermount}
cp -p "$TESTDIR"/file5 ${lowermount}
# Unmount the layer.
run storage --debug=false --graph ${TESTDIR}/ro-root --run ${TESTDIR}/ro-runroot unmount $lowerlayer
[ "$status" -eq 0 ]
# Create an image record for this layer.
run storage --debug=false --graph ${TESTDIR}/ro-root --run ${TESTDIR}/ro-runroot create-image $lowerlayer
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
image="$output"
echo image:$image
# Check that we can compute the size of the image.
run storage --debug=false --graph ${TESTDIR}/ro-root --run ${TESTDIR}/ro-runroot image $image
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
size=$(grep ^Size: <<< "$output" | sed 's,^Size: ,,g')
[ "$size" -ne 0 ]
echo size:$size
# Done using this location directly.
storage --graph ${TESTDIR}/ro-root --run ${TESTDIR}/ro-runroot shutdown
# Create containers using this image.
containers=
for i in $(seq $n) ; do
if test $host -ne $i ; then
run storage --debug=false --storage-opt ${STORAGE_DRIVER}.imagestore=${TESTDIR}/ro-root create-container --uidmap 0:${uidrange[$i]}:$(($n+1)) --gidmap 0:${gidrange[$i]}:$(($n+1)) $image
else
uidrange[$host]=0
gidrange[$host]=0
run storage --debug=false --storage-opt ${STORAGE_DRIVER}.imagestore=${TESTDIR}/ro-root create-container --hostuidmap --hostgidmap $image
fi
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
container=${lines[0]}
containers[$i-1]="$container"
# Check that the ownerships came out right.
run storage --debug=false --storage-opt ${STORAGE_DRIVER}.imagestore=${TESTDIR}/ro-root mount "$container"
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
mount="$output"
for j in $(seq $n) ; do
ownerids=$(stat -c %u:%g ${mount}/file$j)
echo on-disk IDs: "$ownerids"
echo expected IDs: $((${uidrange[$i]}+$j)):$((${gidrange[$i]}+$j))
[ "$ownerids" = $((${uidrange[$i]}+$j)):$((${gidrange[$i]}+$j)) ]
done
run storage --debug=false --storage-opt ${STORAGE_DRIVER}.imagestore=${TESTDIR}/ro-root unmount "$container"
[ "$status" -eq 0 ]
done
# Each of the containers' layers should have the same parent layer,
# which should be the lone top layer for the image. The containers
# themselves have no contents at this point.
declare -a parents
echo containers list is \"${containers[*]}\"
for container in "${containers[@]}" ; do
run storage --debug=false --storage-opt ${STORAGE_DRIVER}.imagestore=${TESTDIR}/ro-root container $container
echo container "$container":"$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
baseimage=$(grep ^Image: <<< "$output" | sed 's,^Image: ,,g')
echo baseimage:"$baseimage"
[ "$baseimage" = "$image" ]
layer=$(grep ^Layer: <<< "$output" | sed 's,^Layer: ,,g')
echo layer:"$layer"
size=$(grep ^Size: <<< "$output" | sed 's,^Size: ,,g')
[ "$size" -eq 0 ]
echo size:$size
run storage --debug=false --storage-opt ${STORAGE_DRIVER}.imagestore=${TESTDIR}/ro-root layer $layer
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
parent=$(grep ^Parent: <<< "$output" | sed 's,^Parent: ,,g')
echo parent:"$parent"
parents[${#parents[*]}]="$parent"
run storage --debug=false --storage-opt ${STORAGE_DRIVER}.imagestore=${TESTDIR}/ro-root image $baseimage
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
grep "^Top Layer: $parent" <<< "$output"
done
nparents=$(for p in ${parents[@]} ; do echo $p ; done | sort -u | wc -l)
echo nparents:$nparents
[ $nparents -eq 1 ]
# The image should still have only one top layer at this point.
run storage --debug=false --storage-opt ${STORAGE_DRIVER}.imagestore=${TESTDIR}/ro-root image $image
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
tops=$(grep '^Top Layer:' <<< "$output" | sed 's,^Top Layer: ,,g')
ntops=$(for p in $tops; do echo $p ; done | sort -u | wc -l)
echo ntops:$ntops
[ $ntops -eq 1 ]
# Remove the containers and image and check that all of the layers we used got removed.
for container in "${containers[@]}" ; do
run storage --debug=false --storage-opt ${STORAGE_DRIVER}.imagestore=${TESTDIR}/ro-root delete-container $container
done
run storage --debug=false --graph ${TESTDIR}/ro-root --run ${TESTDIR}/ro-runroot delete-image $image
run storage --debug=false --graph ${TESTDIR}/ro-root --run ${TESTDIR}/ro-runroot shutdown
run storage --debug=false --storage-opt ${STORAGE_DRIVER}.imagestore=${TESTDIR}/ro-root layers
echo "$output"
[ "$status" -eq 0 ]
[ "$output" == "" ]
}
@test "idmaps-create-mapped-container-shifting" {
case "$STORAGE_DRIVER" in
overlay*)
;;
*)
skip "not supported by driver $STORAGE_DRIVER"
;;
esac
case "$STORAGE_OPTION" in
*mount_program*)
skip "test not supported when using mount_program"
;;
esac
# Create a base layer.
run storage --debug=false create-layer
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
baselayer="$output"
# Create the lower layer.
run storage --debug=false create-layer $baselayer
[ "$status" -eq 0 ]
[ "$output" != "" ]
lowerlayer="$output"
# Mount the layer.
run storage --debug=false mount $lowerlayer
[ "$status" -eq 0 ]
[ "$output" != "" ]
lowermount="$output"
# Put a file in the layer.
createrandom "$lowermount"/file
storage unmount $lowerlayer
imagename=idmappedimage-shifting
storage create-image --name=$imagename $lowerlayer
_TEST_FORCE_SUPPORT_SHIFTING=yes-please run storage --debug=false create-container --uidmap 0:1000:1000 --gidmap 0:1000:1000 $imagename
echo "$output"
[ "$status" -eq 0 ]
[ "$output" != "" ]
container="$output"
# Mount the container.
_TEST_FORCE_SUPPORT_SHIFTING=yes-please run storage --debug=false mount $container
echo "$output"
[ "$status" -eq 0 ]
dir="$output"
test "$(stat -c%u:%g $dir/file)" == "0:0"
_TEST_FORCE_SUPPORT_SHIFTING=yes-please run storage --debug=false unmount "$container"
[ "$status" -eq 0 ]
# Remove the container and image and check that all of the layers we used got removed.
_TEST_FORCE_SUPPORT_SHIFTING=yes-please run storage --debug=false delete-container $container
_TEST_FORCE_SUPPORT_SHIFTING=yes-please run storage --debug=false delete-image $imagename
_TEST_FORCE_SUPPORT_SHIFTING=yes-please run storage --debug=false layers
echo "$output"
[ "$status" -eq 0 ]
[ "$output" == "" ]
}