spread: add log output when docker fails to run
Metadata
Current evaluation
Superseded by pull request #94. Debug logging added to investigate flaky Docker daemon connection errors in spread tests was closed without merging after the underlying issue was resolved in the referenced PR.
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Issue body
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About 10-15% of the time, I have been [getting an error](https://github.com/canonical/rockcraft/actions/runs/3109389776/jobs/5039611458) during the spread test `prepare` step saying `docker: Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?`
Perhaps the 5 second sleep after installing docker isn't long enough. Perhaps it's something else. I'm adding some debug messaging to investigate.
Evaluation history
| Date | Model | Scores | Action | Summary |
|---|---|---|---|---|
| qwen/qwen3.6-35b-a3b | — | — | Superseded by pull request #94. Debug logging added to investigate flaky Docker daemon connection errors in spread tests was closed without merging after the underlying issue was resolved in the referenced PR. | |
| qwen3.6-35b-a3b-mtp-q6 | — | — | Closed and superseded by pull request #94. Added debug logging to investigate intermittent Docker daemon connection errors during spread tests, but the underlying issue was resolved separately. | |
| qwen3.6-35b-a3b-mtp-q6 | — | — | Closed without merging. The debug logging addition was superseded by pull request #94, which resolved the underlying Docker connection flakiness in the spread tests. |
Update history
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Related issues
| Issue | Project | State | Summary | Similarity |
|---|---|---|---|---|
| #282 spread: retry grepping docker logs | rockcraft | merged | Merged a change adding a retry helper for grepping Docker logs in spread tests. Resolves test flakiness from container startup delays. Approved by two reviewers, passed CI, and modified three files. |