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major_changes:
- ansible-test - Docker and Podman are now supported on hosts with cgroup v2 unified.
Previously only cgroup v1 and cgroup v2 hybrid were supported.
- ansible-test - Docker Desktop on WSL2 is now supported (additional configuration required).
- ansible-test - Podman on WSL2 is now supported.
- ansible-test - Podman now works on container hosts without systemd.
Previously only some containers worked, while others required rootfull or rootless Podman,
but would not work with both. Some containers did not work at all.
- ansible-test - When additional cgroup setup is required on the container host, this will be automatically detected.
Instructions on how to configure the host will be provided in the error message shown.
minor_changes:
- ansible-test - When using Podman, ansible-test will detect if the loginuid used in containers is incorrect.
When this occurs a warning is displayed and the container is run with the AUDIT_CONTROL capability.
Previously containers would fail under this situation, with no useful warnings or errors given.
- ansible-test - Failure to connect to a container over SSH now results in a clear error.
Previously tests would be attempted even after initial connection attempts failed.
- ansible-test - Warnings are now shown when using containers that were built with VOLUME instructions.
- ansible-test - Unit tests now support network disconnect by default when running under Podman.
Previously this feature only worked by default under Docker.
- ansible-test - Additional log details are shown when containers fail to start or SSH connections to containers fail.
- ansible-test - Containers included with ansible-test no longer disable seccomp by default.
- ansible-test - A new ``cgroup`` option is available when running custom containers.
This option can be used to indicate a container requires cgroup v1 or that it does not use cgroup.
The default behavior assumes the container works with cgroup v2 (as well as v1).
- ansible-test - A new ``audit`` option is available when running custom containers.
This option can be used to indicate whether a container requires the AUDIT_WRITE capability.
The default is ``required``, which most containers will need when using Podman.
If necessary, the ``none`` option can be used to opt-out of the capability.
This has no effect on Docker, which always provides the capability.
- ansible-test - More details are provided about an instance when provisioning fails.
- ansible-test - Connection failures to remote provisioned hosts now show failure details as a warning.
- ansible-test - When setting the max open files for containers, the container host's limit will be checked.
If the host limit is lower than the preferred value, it will be used and a warning will be shown.
- ansible-test - Use ``stop --time 0`` followed by ``rm`` to remove ephemeral containers instead of ``rm -f``.
This speeds up teardown of ephemeral containers.
- ansible-test - Reduce the polling limit for SSHD startup in containers from 60 retries to 10.
The one second delay between retries remains in place.
- ansible-test - Integration tests can be excluded from retries triggered by the ``--retry-on-error`` option by
adding the ``retry/never`` alias. This is useful for tests that cannot pass on a retry or are too
slow to make retries useful.
- ansible-test - The ``ansible-test env`` command now detects and reports the container ID if running in a container.
- ansible-test - SSH connections from OpenSSH 8.8+ to CentOS 6 containers now work without additional configuration.
However, clients older than OpenSSH 7.0 can no longer connect to CentOS 6 containers as a result.
The container must have ``centos6`` in the image name for this work-around to be applied.
- ansible-test - SSH shell connections from OpenSSH 8.8+ to ansible-test provisioned network instances now work without additional configuration.
However, clients older than OpenSSH 7.0 can no longer open shell sessions for ansible-test provisioned network instances as a result.
bugfixes:
- ansible-test - Multiple containers now work under Podman without specifying the ``--docker-network`` option.
- ansible-test - Prevent concurrent / repeat pulls of the same container image.
- ansible-test - Prevent concurrent / repeat inspections of the same container image.
- ansible-test - Prevent concurrent execution of cached methods.
- ansible-test - Handle server errors when executing the ``docker info`` command.
- ansible-test - Show the exception type when reporting errors during instance provisioning.
- ansible-test - Pass the ``XDG_RUNTIME_DIR`` environment variable through to container commands.
- ansible-test - Connection attempts to managed remote instances no longer abort on ``Permission denied`` errors.
- ansible-test - Detection for running in a Podman or Docker container has been fixed to detect more scenarios.
The new detection relies on ``/proc/self/mountinfo`` instead of ``/proc/self/cpuset``.
Detection now works with custom cgroups and private cgroup namespaces.
known_issues:
- ansible-test - Using Docker on systems with SELinux may require setting SELinux to permissive mode.
Podman should work with SELinux in enforcing mode.
- ansible-test - Additional configuration may be required for certain container host and container combinations.
Further details are available in the testing documentation.
- ansible-test - Systems with Podman networking issues may be unable to run containers, when previously the issue
went unreported. Correct the networking issues to continue using ``ansible-test`` with Podman.
- ansible-test - Custom containers with ``VOLUME`` instructions may be unable to start, when previously the containers
started correctly. Remove the ``VOLUME`` instructions to resolve the issue. Containers with this
condition will cause ``ansible-test`` to emit a warning.
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