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https://github.com/containers/podman
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e4dcb1004f
The multi-image load test was failing on non-x86_64 arch, because the images used by the test (:00000000, :20200902) did not have manifests for the given arch. Solution: all we need are two nonlocal images. Use the predefined NONLOCAL_IMAGE for one, and a new :multiimage tag (manually created, currently == :20210610) for the other. Document, so if/when RHEL adds new supported arches, the test will fail but a maintainer will have a clue what to do. Also, as long as I'm in here: add 'image prune -f' to teardown in build.bats, to avoid seeing lots of red "stray image" warnings in test logs. Also: skip a broken/flaky python test Signed-off-by: Ed Santiago <santiago@redhat.com>
187 lines
6.3 KiB
Bash
187 lines
6.3 KiB
Bash
#!/usr/bin/env bats -*- bats -*-
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#
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# tests for podman load
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#
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load helpers
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# Custom helpers for this test only. These just save us having to duplicate
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# the same thing four times (two tests, each with -i and stdin).
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#
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# initialize, read image ID and name
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get_iid_and_name() {
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run_podman images -a --format '{{.ID}} {{.Repository}}:{{.Tag}}'
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read iid img_name < <(echo "$output")
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archive=$PODMAN_TMPDIR/myimage-$(random_string 8).tar
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}
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# Simple verification of image ID and name
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verify_iid_and_name() {
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run_podman images -a --format '{{.ID}} {{.Repository}}:{{.Tag}}'
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read new_iid new_img_name < <(echo "$output")
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# Verify
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is "$new_iid" "$iid" "Image ID of loaded image == original"
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is "$new_img_name" "$1" "Name & tag of restored image"
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}
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@test "podman load invalid file" {
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# Regression test for #9672 to make sure invalid input yields errors.
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invalid=$PODMAN_TMPDIR/invalid
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echo "I am an invalid file and should cause a podman-load error" > $invalid
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run_podman 125 load -i $invalid
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# podman and podman-remote emit different messages; this is a common string
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is "$output" ".*payload does not match any of the supported image formats .*" \
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"load -i INVALID fails with expected diagnostic"
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}
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@test "podman save to pipe and load" {
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# Generate a random name and tag (must be lower-case)
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local random_name=x0$(random_string 12 | tr A-Z a-z)
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local random_tag=t0$(random_string 7 | tr A-Z a-z)
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local fqin=localhost/$random_name:$random_tag
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run_podman tag $IMAGE $fqin
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# Believe it or not, 'podman load' would barf if any path element
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# included a capital letter
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archive=$PODMAN_TMPDIR/MySubDirWithCaps/MyImage-$(random_string 8).tar
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mkdir -p $(dirname $archive)
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# We can't use run_podman because that uses the BATS 'run' function
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# which redirects stdout and stderr. Here we need to guarantee
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# that podman's stdout is a pipe, not any other form of redirection
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$PODMAN save --format oci-archive $fqin | cat >$archive
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if [ "$status" -ne 0 ]; then
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die "Command failed: podman save ... | cat"
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fi
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# Make sure we can reload it
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run_podman rmi $fqin
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run_podman load -i $archive
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# FIXME: cannot compare IID, see #7371, so we check only the tag
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run_podman images $fqin --format '{{.Repository}}:{{.Tag}}'
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is "$output" "$fqin" "image preserves name across save/load"
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# Load with a new tag
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local new_name=x1$(random_string 14 | tr A-Z a-z)
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local new_tag=t1$(random_string 6 | tr A-Z a-z)
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run_podman rmi $fqin
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run_podman load -i $archive
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run_podman images --format '{{.Repository}}:{{.Tag}}' --sort tag
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is "${lines[0]}" "$IMAGE" "image is preserved"
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is "${lines[1]}" "$fqin" "image is reloaded with old fqin"
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# Clean up
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run_podman rmi $fqin
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}
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@test "podman load - by image ID" {
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# FIXME: how to build a simple archive instead?
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get_iid_and_name
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# Save image by ID, and remove it.
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run_podman save $iid -o $archive
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run_podman rmi $iid
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# Load using -i; IID should be preserved, but name is not.
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run_podman load -i $archive
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verify_iid_and_name "<none>:<none>"
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# Same as above, using stdin
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run_podman rmi $iid
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run_podman load < $archive
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verify_iid_and_name "<none>:<none>"
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# Same as above, using stdin but with `podman image load`
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run_podman rmi $iid
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run_podman image load < $archive
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verify_iid_and_name "<none>:<none>"
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# Cleanup: since load-by-iid doesn't preserve name, re-tag it;
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# otherwise our global teardown will rmi and re-pull our standard image.
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run_podman tag $iid $img_name
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}
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@test "podman load - by image name" {
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get_iid_and_name
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run_podman save $img_name -o $archive
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run_podman rmi $iid
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# Load using -i; this time the image should be tagged.
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run_podman load -i $archive
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verify_iid_and_name $img_name
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run_podman rmi $iid
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# Also make sure that `image load` behaves the same.
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run_podman image load -i $archive
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verify_iid_and_name $img_name
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run_podman rmi $iid
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# Same as above, using stdin
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run_podman load < $archive
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verify_iid_and_name $img_name
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}
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@test "podman load - redirect corrupt payload" {
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run_podman 125 load <<< "Danger, Will Robinson!! This is a corrupt tarball!"
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is "$output" \
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".*payload does not match any of the supported image formats .*" \
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"Diagnostic from 'podman load' unknown/corrupt payload"
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}
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@test "podman load - multi-image archive" {
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# img1 & 2 should be images that are not locally present; they must also
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# be usable on the host arch. The nonlocal image (:000000xx) is kept
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# up-to-date for all RHEL/Fedora arches; the other image we use is
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# the one tagged ':multiimage', which as of 2021-07-15 is :20210610
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# but that tag will grow stale over time. If/when this test fails,
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# your first approach should be to manually update :multiimage to
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# point to a more recent testimage. (Use the quay.io GUI, it's waaay
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# easier than pulling/pushing the correct manifest.)
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img1=${PODMAN_NONLOCAL_IMAGE_FQN}
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img2="$PODMAN_TEST_IMAGE_REGISTRY/$PODMAN_TEST_IMAGE_USER/$PODMAN_TEST_IMAGE_NAME:multiimage"
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archive=$PODMAN_TMPDIR/myimage-$(random_string 8).tar
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run_podman pull $img1
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run_podman pull $img2
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run_podman save -m -o $archive $img1 $img2
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run_podman rmi -f $img1 $img2
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run_podman load -i $archive
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run_podman image exists $img1
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run_podman image exists $img2
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run_podman rmi -f $img1 $img2
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}
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@test "podman load - multi-image archive with redirect" {
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# (see comments in test above re: img1 & 2)
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img1=${PODMAN_NONLOCAL_IMAGE_FQN}
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img2="$PODMAN_TEST_IMAGE_REGISTRY/$PODMAN_TEST_IMAGE_USER/$PODMAN_TEST_IMAGE_NAME:multiimage"
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archive=$PODMAN_TMPDIR/myimage-$(random_string 8).tar
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run_podman pull $img1
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run_podman pull $img2
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# We can't use run_podman because that uses the BATS 'run' function
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# which redirects stdout and stderr. Here we need to guarantee
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# that podman's stdout is a pipe, not any other form of redirection
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$PODMAN save -m $img1 $img2 | cat >$archive
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if [ "$status" -ne 0 ]; then
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die "Command failed: podman save ... | cat"
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fi
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run_podman rmi -f $img1 $img2
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run_podman load -i $archive
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run_podman image exists $img1
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run_podman image exists $img2
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run_podman rmi -f $img1 $img2
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}
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# vim: filetype=sh
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