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This is necessary because of the new containerd snapshotters as described here: docker/cli#6646 (comment) Note that the volume that has to be created is at /var/lib/containerd instead of /var/lib/docker for the reason described here: docker/cli#6646 (comment)
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Pull request overview
Adds a dedicated Docker volume mount for /var/lib/containerd in the shared Molecule Docker platform configuration, ensuring Docker-in-Docker/containerd snapshotter behavior works consistently across all Molecule-tested OS images.
Changes:
- Add an anonymous Docker volume mounted at
/var/lib/containerdto the common Molecule Docker platform config.
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🗣 Description
This pull request adds a Docker volume at
/var/lib/containerdfor all platforms tested viamolecule.💭 Motivation and context
This is necessary because of the new
containerdsnapshotters. Note that the volume that has to be created is at/var/lib/containerdinstead of/var/lib/docker. I confirmed that this is also the correct location for Amazon Linux 2023, Fedora 42, and Fedora 43.🧪 Testing
All automated tests pass. See also cisagov/ansible-role-guacamole#86.
✅ Pre-approval checklist