toolbox/test/system/103-container.bats
Debarshi Ray aeb5d8ec1a test/system: Test a container with an old forward incompatible runtime
Commit ae43560d45 had added a test with a similar intention.  When
the test suite is run on a Fedora Rawhide host, it tests whether the
containers for the two previous stable Fedora releases start or not.
Fedora N-2 reaches End of Life 4 weeks after Fedora N is released [1].
So, testing the containers for Fedora Rawhide and the two previous
stable releases on a Fedora Rawhide host is a decent test of general
backwards compatibility.

However, as seen recently [2], this isn't enough to catch some known
ABI compatibility issues [3,4].  These involve toolbox binaries built
on hosts with newer toolchains that aren't meant to be run against
containers with older runtimes.  A targeted test is needed to defend
against these scenarios.

The fedora-toolbox:34 image has glibc-2.33, which is old enough to be
unable to run binaries compiled on Fedora 35 with glibc-2.34 and newer.

[1] https://docs.fedoraproject.org/en-US/releases/

[2] https://github.com/containers/toolbox/pull/1180

[3] Commit 6063eb27b9
    https://github.com/containers/toolbox/issues/821

[4] Commit 6ad9c63180
    https://github.com/containers/toolbox/issues/529

https://github.com/containers/toolbox/pull/1187
2022-12-07 13:03:09 +01:00

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#!/usr/bin/env bats
#
# Copyright © 2021 2022 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
load 'libs/bats-support/load'
load 'libs/bats-assert/load'
load 'libs/helpers'
setup() {
_setup_environment
cleanup_containers
}
teardown() {
cleanup_containers
}
@test "container: Check container starts without issues" {
readonly CONTAINER_NAME="$(get_system_id)-toolbox-$(get_system_version)"
create_default_container
run container_started $CONTAINER_NAME
assert_success
}
@test "container: Start with an old forward incompatible runtime" {
create_distro_container fedora 34 fedora-toolbox-34
run container_started fedora-toolbox-34
assert_success
}
@test "container(Fedora Rawhide): Containers with supported versions start without issues" {
local os_release="$(find_os_release)"
local system_id="$(get_system_id)"
local system_version="$(get_system_version)"
local rawhide_res="$(awk '/rawhide/' $os_release)"
if [ "$system_id" != "fedora" ] || [ -z "$rawhide_res" ]; then
skip "This test is only for Fedora Rawhide"
fi
create_distro_container "$system_id" "$system_version" latest
run container_started latest
assert_success
create_distro_container "$system_id" "$((system_version-1))" second
run container_started second
assert_success
create_distro_container "$system_id" "$((system_version-2))" third
run container_started third
assert_success
}