diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/system/330-corrupt-images.bats | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/test/system/330-corrupt-images.bats b/test/system/330-corrupt-images.bats new file mode 100644 index 000000000..9836de363 --- /dev/null +++ b/test/system/330-corrupt-images.bats @@ -0,0 +1,134 @@ +#!/usr/bin/env bats -*- bats -*- +# +# All tests in here perform nasty manipulations on image storage. +# + +load helpers + +############################################################################### +# BEGIN setup/teardown + +# Create a scratch directory; this is what we'll use for image store and cache +if [ -z "${PODMAN_CORRUPT_TEST_WORKDIR}" ]; then + export PODMAN_CORRUPT_TEST_WORKDIR=$(mktemp -d --tmpdir=${BATS_TMPDIR:-${TMPDIR:-/tmp}} podman_corrupt_test.XXXXXX) +fi + +PODMAN_CORRUPT_TEST_IMAGE_FQIN=quay.io/libpod/alpine@sha256:634a8f35b5f16dcf4aaa0822adc0b1964bb786fca12f6831de8ddc45e5986a00 +PODMAN_CORRUPT_TEST_IMAGE_ID=961769676411f082461f9ef46626dd7a2d1e2b2a38e6a44364bcbecf51e66dd4 + +# All tests in this file (and ONLY in this file) run with a custom rootdir +function setup() { + skip_if_remote "none of these tests run under podman-remote" + _PODMAN_TEST_OPTS="--root ${PODMAN_CORRUPT_TEST_WORKDIR}/root" +} + +function teardown() { + # No other tests should ever run with this custom rootdir + unset _PODMAN_TEST_OPTS + + is_remote && return + + # Clean up + umount ${PODMAN_CORRUPT_TEST_WORKDIR}/root/overlay || true + if is_rootless; then + run_podman unshare rm -rf ${PODMAN_CORRUPT_TEST_WORKDIR}/root + else + rm -rf ${PODMAN_CORRUPT_TEST_WORKDIR}/root + fi +} + +# END setup/teardown +############################################################################### +# BEGIN primary test helper + +# This is our main action, invoked by every actual test. It: +# - creates a new empty rootdir +# - populates it with our crafted test image +# - removes [ manifest, blob ] +# - confirms that "podman images" throws an error +# - runs the specified command (rmi -a -f, prune, reset, etc) +# - confirms that it succeeds, and also emits expected warnings +function _corrupt_image_test() { + # Run this test twice: once removing manifest, once removing blob + for what_to_rm in manifest blob; do + # I have no idea, but this sometimes remains mounted + umount ${PODMAN_CORRUPT_TEST_WORKDIR}/root/overlay || true + # Start with a fresh storage root, load prefetched image into it. + /bin/rm -rf ${PODMAN_CORRUPT_TEST_WORKDIR}/root + mkdir -p ${PODMAN_CORRUPT_TEST_WORKDIR}/root + run_podman load -i ${PODMAN_CORRUPT_TEST_WORKDIR}/img.tar + # "podman load" restores it without a tag, which (a) causes rmi-by-name + # to fail, and (b) causes "podman images" to exit 0 instead of 125 + run_podman tag ${PODMAN_CORRUPT_TEST_IMAGE_ID} ${PODMAN_CORRUPT_TEST_IMAGE_FQIN} + + # shortcut variable name + local id=${PODMAN_CORRUPT_TEST_IMAGE_ID} + + case "$what_to_rm" in + manifest) rm_path=manifest ;; + blob) rm_path="=$(echo -n "sha256:$id" | base64 -w0)" ;; + *) die "Internal error: unknown action '$what_to_rm'" ;; + esac + + # Corruptify, and confirm that 'podman images' throws an error + rm -v ${PODMAN_CORRUPT_TEST_WORKDIR}/root/*-images/$id/${rm_path} + run_podman 125 images + is "$output" "Error: error retrieving label for image \"$id\": you may need to remove the image to resolve the error" + + # Run the requested command. Confirm it succeeds, with suitable warnings + run_podman $* + is "$output" ".*error determining parent of image" \ + "$* with missing $what_to_rm" + + run_podman images -a --noheading + is "$output" "" "podman images -a, after $*, is empty" + done +} + +# END primary test helper +############################################################################### +# BEGIN first "test" does a one-time pull of our desired image + +@test "podman corrupt images - initialize" { + # Pull once, save cached copy. + run_podman pull $PODMAN_CORRUPT_TEST_IMAGE_FQIN + run_podman save -o ${PODMAN_CORRUPT_TEST_WORKDIR}/img.tar \ + $PODMAN_CORRUPT_TEST_IMAGE_FQIN +} + +# END first "test" does a one-time pull of our desired image +############################################################################### +# BEGIN actual tests + +@test "podman corrupt images - rmi -f <image-id>" { + _corrupt_image_test "rmi -f ${PODMAN_CORRUPT_TEST_IMAGE_ID}" +} + +@test "podman corrupt images - rmi -f <image-name>" { + _corrupt_image_test "rmi -f ${PODMAN_CORRUPT_TEST_IMAGE_FQIN}" +} + +@test "podman corrupt images - rmi -f -a" { + _corrupt_image_test "rmi -f -a" +} + +@test "podman corrupt images - image prune" { + _corrupt_image_test "image prune -a -f" +} + +@test "podman corrupt images - system reset" { + _corrupt_image_test "image prune -a -f" +} + +# END actual tests +############################################################################### +# BEGIN final cleanup + +@test "podman corrupt images - cleanup" { + rm -rf ${PODMAN_CORRUPT_TEST_WORKDIR} +} + +# END final cleanup +############################################################################### + +# vim: filetype=sh |