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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,164 @@ | ||
| load helpers | ||
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| function setup() { | ||
| stacker_setup | ||
| } | ||
|
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||
| function teardown() { | ||
| cleanup | ||
| } | ||
|
|
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| function verity_checkusedloops() { | ||
| # search for loopdevices which have backing files with the current | ||
| # BATS_TEST_DIRNAME value and complain if they're present. | ||
| local usedloops="" found="" x="" | ||
| for ((x=0; x<5; x++)); do | ||
| usedloops=$(losetup -a | grep $BATS_TEST_DIRNAME || echo) | ||
| if [ -n "$usedloops" ]; then | ||
| found=1 | ||
| udevadm settle | ||
| else | ||
| return 0 | ||
| fi | ||
| done | ||
| echo "found used loops in testdir=$BATS_TEST_DIRNAME :$usedloops" >&3 | ||
| [ $found = 1 ] | ||
| } | ||
|
|
||
| function basic_test() { | ||
| require_privilege priv | ||
| local verity_arg=$1 | ||
|
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||
| cat > stacker.yaml <<"EOF" | ||
| test: | ||
| from: | ||
| type: oci | ||
| url: ${{BUSYBOX_OCI}} | ||
| run: | | ||
| touch /hello | ||
| EOF | ||
| stacker build --layer-type=erofs $verity_arg --substitute BUSYBOX_OCI=${BUSYBOX_OCI} | ||
| mkdir mountpoint | ||
| stacker internal-go atomfs mount test-erofs mountpoint | ||
|
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||
| [ -f mountpoint/hello ] | ||
| stacker internal-go atomfs umount mountpoint | ||
| } | ||
|
|
||
| @test "--no-verity works" { | ||
| basic_test --no-verity | ||
| verity_checkusedloops | ||
| } | ||
|
|
||
| @test "mount + umount works" { | ||
| basic_test | ||
|
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| # last layer shouldn't exist any more, since it is unique | ||
| manifest=$(cat oci/index.json | jq -r .manifests[0].digest | cut -f2 -d:) | ||
| last_layer_num=$(($(cat oci/blobs/sha256/$manifest | jq -r '.layers | length')-1)) | ||
| last_layer_hash=$(cat oci/blobs/sha256/$manifest | jq -r .layers[$last_layer].digest | cut -f2 -d:) | ||
| [ ! -b "/dev/mapper/$last_layer_hash-verity" ] | ||
| verity_checkusedloops | ||
| } | ||
|
|
||
| @test "mount + umount + mount a tree of images works" { | ||
| require_privilege priv | ||
| cat > stacker.yaml <<"EOF" | ||
| base: | ||
| from: | ||
| type: oci | ||
| url: ${{BUSYBOX_OCI}} | ||
| run: touch /base | ||
| a: | ||
| from: | ||
| type: built | ||
| tag: base | ||
| run: touch /a | ||
| b: | ||
| from: | ||
| type: built | ||
| tag: base | ||
| run: touch /b | ||
| c: | ||
| from: | ||
| type: built | ||
| tag: base | ||
| run: touch /c | ||
| EOF | ||
| stacker build --layer-type=erofs --substitute BUSYBOX_OCI=${BUSYBOX_OCI} | ||
|
|
||
| mkdir a | ||
| stacker internal-go atomfs mount a-erofs a | ||
| [ -f a/a ] | ||
|
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||
| mkdir b | ||
| stacker internal-go atomfs mount b-erofs b | ||
| [ -f b/b ] | ||
|
|
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| cat /proc/self/mountinfo | ||
| echo "mountinfo after b^" | ||
|
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| stacker internal-go atomfs umount b | ||
|
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||
| # first layer should still exist since a is still mounted | ||
| manifest=$(cat oci/index.json | jq -r .manifests[0].digest | cut -f2 -d:) | ||
| first_layer_hash=$(cat oci/blobs/sha256/$manifest | jq -r .layers[0].digest | cut -f2 -d:) | ||
| [ ! -b "/dev/mapper/$last_layer_hash-verity" ] | ||
|
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||
| mkdir c | ||
| stacker internal-go atomfs mount c-erofs c | ||
| [ -f c/c ] | ||
|
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||
| cat /proc/self/mountinfo | ||
| echo "mountinfo after c^" | ||
|
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| stacker internal-go atomfs umount a | ||
|
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| cat /proc/self/mountinfo | ||
| echo "mountinfo after umount a^" | ||
|
|
||
| # first layer should still exist since c is still mounted | ||
| manifest=$(cat oci/index.json | jq -r .manifests[0].digest | cut -f2 -d:) | ||
| first_layer_hash=$(cat oci/blobs/sha256/$manifest | jq -r .layers[0].digest | cut -f2 -d:) | ||
| [ ! -b "/dev/mapper/$last_layer_hash-verity" ] | ||
|
|
||
| # c should still be ok | ||
| [ -f c/c ] | ||
| [ -f c/bin/sh ] | ||
| stacker internal-go atomfs umount c | ||
|
|
||
| # c's last layer shouldn't exist any more, since it is unique | ||
| manifest=$(cat oci/index.json | jq -r .manifests[0].digest | cut -f2 -d:) | ||
| last_layer_num=$(($(cat oci/blobs/sha256/$manifest | jq -r '.layers | length')-1)) | ||
| last_layer_hash=$(cat oci/blobs/sha256/$manifest | jq -r .layers[$last_layer].digest | cut -f2 -d:) | ||
| [ ! -b "/dev/mapper/$last_layer_hash-verity" ] | ||
| verity_checkusedloops | ||
| } | ||
|
|
||
| @test "bad existing verity device is rejected" { | ||
| require_privilege priv | ||
| cat > stacker.yaml <<"EOF" | ||
| test: | ||
| from: | ||
| type: oci | ||
| url: ${{BUSYBOX_OCI}} | ||
| run: | | ||
| touch /hello | ||
| EOF | ||
| stacker build --layer-type=erofs --substitute BUSYBOX_OCI=${BUSYBOX_OCI} | ||
|
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||
| manifest=$(cat oci/index.json | jq -r .manifests[0].digest | cut -f2 -d:) | ||
| first_layer_hash=$(cat oci/blobs/sha256/$manifest | jq -r .layers[0].digest | cut -f2 -d:) | ||
| devname="$first_layer_hash-verity" | ||
|
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||
| # make an evil device and fake it as an existing verity device | ||
| dd if=/dev/random of=mydev bs=50K count=1 | ||
| root_hash=$(veritysetup format mydev mydev.hash | grep "Root hash:" | awk '{print $NF}') | ||
| echo "root hash $root_hash" | ||
| veritysetup open mydev "$devname" mydev.hash "$root_hash" | ||
|
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| mkdir mountpoint | ||
| bad_stacker internal-go atomfs mount test-erofs mountpoint | grep "invalid root hash" | ||
| veritysetup close "$devname" | ||
| verity_checkusedloops | ||
| } |
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