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GRM-160: Pin containerd.io to compatible version for Docker 28.x #245

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emo merged 1 commits from GRM-160-containerd-version-pinning into master 2026-08-06 19:12:09 +00:00
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Emil SimeonovandDevin <158243242+devin-ai-integration[bot]@users.noreply.github.com> 563dec6d95 fix: pin containerd.io to compatible version for Docker 28.x
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Docker 28.x vendors containerd v2.1.x internally. containerd.io >= 2.3
ships a shim that returns a protobuf BootstrapResult which the vendored
2.1.x code cannot parse, causing every container start to fail with:
  "failed to create TTRPC connection: unsupported protocol"

The role now:
- Detects the installed Docker and containerd.io versions
- If Docker < 29 and containerd.io >= 2.3, downgrades to the latest
  compatible 2.2.x from the Docker APT repository
- Holds the containerd.io package to prevent future auto-upgrades

This was triggered by containerd.io 2.2.6 → 2.3.3 auto-upgrading via
apt, which broke all CI runners simultaneously.

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
 2026-08-06 21:01:13 +02:00