From 0ab9e39064e5906b80a69d51fab3757ad43f32c5 Mon Sep 17 00:00:00 2001 From: Ed Santiago Date: Mon, 5 Oct 2020 10:27:18 -0600 Subject: system tests: cleanup, and add more tests - images test: add test for 'table' and '\t' formatting - image mount test: check output from 'umount', test repeat umount (NOP), and test invalid-umount - kill test: remove kludgy workaround for crun signal bug ref: #5004 -- code is no longer needed (fingers crossed), and the workaround involved pulling an expensive image. - selinux test: add new tests for shared context in: * pods , w/ and w/o infra container (ref: #7902) * containers with namespace sharing: --ipc, --pid, --net - selinux test: new test for --pid=host (disabled pending propagation of container-selinux-2.146, ref: #7939) Signed-off-by: Ed Santiago --- test/system/010-images.bats | 52 +++++++++++++++++++++ test/system/060-mount.bats | 13 ++++++ test/system/130-kill.bats | 20 +------- test/system/410-selinux.bats | 108 ++++++++++++++++++++++++++++++++++++++++--- test/system/helpers.bash | 11 +++++ 5 files changed, 179 insertions(+), 25 deletions(-) diff --git a/test/system/010-images.bats b/test/system/010-images.bats index ac65e54d9..900a24368 100644 --- a/test/system/010-images.bats +++ b/test/system/010-images.bats @@ -159,4 +159,56 @@ Labels.created_at | 20[0-9-]\\\+T[0-9:]\\\+Z is "$output" "$images_baseline" "after podman rmi @sha, still the same" } +# Tests #7199 (Restore "table" --format from V1) +# +# Tag our image with different-length strings; confirm table alignment +@test "podman images - table format" { + # Craft two tags such that they will bracket $IMAGE on either side (above + # and below). This assumes that $IMAGE is quay.io or foo.com or simply + # not something insane that will sort before 'aaa' or after 'zzz'. + local aaa_name=a.b/c + local aaa_tag=d + local zzz_name=zzzzzzzzzz.yyyyyyyyy/xxxxxxxxx + local zzz_tag=$(random_string 15) + + # Helper function to check one line of tabular output; all this does is + # generate a line with the given repo/tag, formatted to the width of the + # widest image, which is the zzz one. Fields are separated by TWO spaces. + function _check_line() { + local lineno=$1 + local name=$2 + local tag=$3 + + is "${lines[$lineno]}" \ + "$(printf '%-*s %-*s %s' ${#zzz_name} ${name} ${#zzz_tag} ${tag} $iid)" \ + "podman images, $testname, line $lineno" + } + + function _run_format_test() { + local testname=$1 + local format=$2 + + run_podman images --sort repository --format "$format" + _check_line 0 ${aaa_name} ${aaa_tag} + _check_line 1 "${PODMAN_TEST_IMAGE_REGISTRY}/${PODMAN_TEST_IMAGE_USER}/${PODMAN_TEST_IMAGE_NAME}" "${PODMAN_TEST_IMAGE_TAG}" + _check_line 2 ${zzz_name} ${zzz_tag} + } + + # Begin the test: tag $IMAGE with both the given names + run_podman tag $IMAGE ${aaa_name}:${aaa_tag} + run_podman tag $IMAGE ${zzz_name}:${zzz_tag} + + # Get the image ID, used to verify output below (all images share same IID) + run_podman inspect --format '{{.ID}}' $IMAGE + iid=${output:0:12} + + # Run the test: this will output three column-aligned rows. Test them. + # Tab character (\t) should have the same effect as the 'table' directive + _run_format_test 'table' 'table {{.Repository}} {{.Tag}} {{.ID}}' + _run_format_test 'tabs' '{{.Repository}}\t{{.Tag}}\t{{.ID}}' + + # Clean up. + run_podman rmi ${aaa_name}:${aaa_tag} ${zzz_name}:${zzz_tag} +} + # vim: filetype=sh diff --git a/test/system/060-mount.bats b/test/system/060-mount.bats index 75c88e4ad..cd3b8ff5b 100644 --- a/test/system/060-mount.bats +++ b/test/system/060-mount.bats @@ -43,6 +43,11 @@ load helpers # Start with clean slate run_podman image umount -a + # Get full image ID, to verify umount + run_podman image inspect --format '{{.ID}}' $IMAGE + iid="$output" + + # Mount, and make sure the mount point exists run_podman image mount $IMAGE mount_path="$output" @@ -60,6 +65,14 @@ load helpers # Clean up run_podman image umount $IMAGE + is "$output" "$iid" "podman image umount: image ID of what was umounted" + + run_podman image umount $IMAGE + is "$output" "" "podman image umount: does not re-umount" + + run_podman 125 image umount no-such-container + is "$output" "Error: unable to find a name and tag match for no-such-container in repotags: no such image" \ + "error message from image umount no-such-container" run_podman image mount is "$output" "" "podman image mount, no args, after umount" diff --git a/test/system/130-kill.bats b/test/system/130-kill.bats index c16e64c58..3770eac27 100644 --- a/test/system/130-kill.bats +++ b/test/system/130-kill.bats @@ -6,23 +6,9 @@ load helpers @test "podman kill - test signal handling in containers" { - # podman-remote and crun interact poorly in f31: crun seems to gobble up - # some signals. - # Workaround: run 'env --default-signal sh' instead of just 'sh' in - # the container. Since env on our regular alpine image doesn't support - # that flag, we need to pull fedora-minimal. See: - # https://github.com/containers/podman/issues/5004 - # FIXME: remove this kludge once we get rid of podman-remote - local _image=$IMAGE - local _sh_cmd="sh" - if is_remote; then - _image=quay.io/libpod/fedora-minimal:latest - _sh_cmd="env --default-signal sh" - fi - # Start a container that will handle all signals by emitting 'got: N' local -a signals=(1 2 3 4 5 6 8 10 12 13 14 15 16 20 21 22 23 24 25 26 64) - run_podman run -d $_image $_sh_cmd -c \ + run_podman run -d $IMAGE sh -c \ "for i in ${signals[*]}; do trap \"echo got: \$i\" \$i; done; echo READY; while ! test -e /stop; do sleep 0.05; done; @@ -81,10 +67,6 @@ load helpers run_podman wait $cid run_podman rm $cid wait $podman_log_pid - - if [[ $_image != $IMAGE ]]; then - run_podman rmi $_image - fi } @test "podman kill - rejects invalid args" { diff --git a/test/system/410-selinux.bats b/test/system/410-selinux.bats index 497e29b3e..1e44fe06c 100644 --- a/test/system/410-selinux.bats +++ b/test/system/410-selinux.bats @@ -7,9 +7,7 @@ load helpers function check_label() { - if [ ! -e /usr/sbin/selinuxenabled ] || ! /usr/sbin/selinuxenabled; then - skip "selinux disabled or not available" - fi + skip_if_no_selinux local args="$1"; shift # command-line args for run @@ -52,15 +50,33 @@ function check_label() { check_label "--privileged --userns=host" "spc_t" } +@test "podman selinux: pid=host" { + # FIXME FIXME FIXME: Remove these lines once all VMs have >= 2.146.0 + # (this is ugly, but better than an unconditional skip) + skip_if_no_selinux + if is_rootless; then + if [ -x /usr/bin/rpm ]; then + cs_version=$(rpm -q --qf '%{version}' container-selinux) + else + # SELinux not enabled on Ubuntu, so we should never get here + die "WHOA! SELinux enabled, but no /usr/bin/rpm!" + fi + if [[ "$cs_version" < "2.146" ]]; then + skip "FIXME: #7939: requires container-selinux-2.146.0 (currently installed: $cs_version)" + fi + fi + # FIXME FIXME FIXME: delete up to here, leaving just check_label + + check_label "--pid=host" "spc_t" +} + @test "podman selinux: container with overridden range" { check_label "--security-opt label=level:s0:c1,c2" "container_t" "s0:c1,c2" } # pr #6752 @test "podman selinux: inspect multiple labels" { - if [ ! -e /usr/sbin/selinuxenabled ] || ! /usr/sbin/selinuxenabled; then - skip "selinux disabled or not available" - fi + skip_if_no_selinux run_podman run -d --name myc \ --security-opt seccomp=unconfined \ @@ -75,4 +91,84 @@ function check_label() { run_podman rm -f myc } +# Sharing context between two containers not in a pod +# These tests were piggybacked in with #7902, but are not actually related +@test "podman selinux: shared context in (some) namespaces" { + skip_if_no_selinux + + run_podman run -d --name myctr $IMAGE top + run_podman exec myctr cat -v /proc/self/attr/current + context_c1="$output" + + # --ipc container + run_podman run --name myctr2 --ipc container:myctr $IMAGE cat -v /proc/self/attr/current + is "$output" "$context_c1" "new container, run with ipc of existing one " + + # --pid container + run_podman run --rm --pid container:myctr $IMAGE cat -v /proc/self/attr/current + is "$output" "$context_c1" "new container, run with --pid of existing one " + + # net NS: do not share context + run_podman run --rm --net container:myctr $IMAGE cat -v /proc/self/attr/current + if [[ "$output" = "$context_c1" ]]; then + die "run --net : context ($output) is same as running container (it should not be)" + fi + + # The 'myctr2' above was not run with --rm, so it still exists, and + # we can't remove the original container until this one is gone. + run_podman stop -t 0 myctr + run_podman 125 rm myctr + is "$output" "Error: container .* has dependent containers" + + # We have to do this in two steps: even if ordered as 'myctr2 myctr', + # podman will try the removes in random order, which fails if it + # tries myctr first. + run_podman rm myctr2 + run_podman rm myctr +} + +# pr #7902 - containers in pods should all run under same context +@test "podman selinux: containers in pods share full context" { + skip_if_no_selinux + + # We don't need a fullblown pause container; avoid pulling the k8s one + run_podman pod create --name myselinuxpod \ + --infra-image $IMAGE \ + --infra-command /home/podman/pause + + # Get baseline + run_podman run --rm --pod myselinuxpod $IMAGE cat -v /proc/self/attr/current + context_c1="$output" + + # Prior to #7902, the labels (':c123,c456') would be different + run_podman run --rm --pod myselinuxpod $IMAGE cat -v /proc/self/attr/current + is "$output" "$context_c1" "SELinux context of 2nd container matches 1st" + + # What the heck. Try a third time just for extra confidence + run_podman run --rm --pod myselinuxpod $IMAGE cat -v /proc/self/attr/current + is "$output" "$context_c1" "SELinux context of 3rd container matches 1st" + + run_podman pod rm myselinuxpod +} + +# more pr #7902 +@test "podman selinux: containers in --no-infra pods do not share context" { + skip_if_no_selinux + + # We don't need a fullblown pause container; avoid pulling the k8s one + run_podman pod create --name myselinuxpod --infra=false + + # Get baseline + run_podman run --rm --pod myselinuxpod $IMAGE cat -v /proc/self/attr/current + context_c1="$output" + + # Even after #7902, labels (':c123,c456') should be different + run_podman run --rm --pod myselinuxpod $IMAGE cat -v /proc/self/attr/current + if [[ "$output" = "$context_c1" ]]; then + die "context ($output) is the same on two separate containers, it should have been different" + fi + + run_podman pod rm myselinuxpod +} + # vim: filetype=sh diff --git a/test/system/helpers.bash b/test/system/helpers.bash index 998db5283..c6c2c12df 100644 --- a/test/system/helpers.bash +++ b/test/system/helpers.bash @@ -286,6 +286,17 @@ function skip_if_remote() { fi } +######################## +# skip_if_no_selinux # +######################## +function skip_if_no_selinux() { + if [ ! -e /usr/sbin/selinuxenabled ]; then + skip "selinux not available" + elif ! /usr/sbin/selinuxenabled; then + skip "selinux disabled" + fi +} + ######### # die # Abort with helpful message ######### -- cgit v1.2.3-54-g00ecf