Add docker reset-storage command

[sairon]

Add ha docker reset-storage, which posts to the new Supervisor endpoint POST /docker/reset-storage. Supervisor schedules a wipe of the whole Docker storage on the next boot; all container images are re-downloaded, while Home Assistant and app data are kept. A reboot is required to apply the reset. Requires HAOS 18.3+.

Refs home-assistant/supervisor#6555

Summary by CodeRabbit

• New Features

  • Added a docker reset-storage command.
  • Prompts for confirmation before resetting Docker storage.
  • Reports success or errors after the reset request.

• Documentation

  • Updated Docker command usage examples to include storage reset.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

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Configuration used: Organization UI

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📥 Commits

Reviewing files that changed from the base of the PR and between 3174273 and 816e3bf.

📒 Files selected for processing (1)

• cmd/docker_reset_storage.go

🚧 Files skipped from review as they are similar to previous changes (1)

• cmd/docker_reset_storage.go

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📝 Walkthrough

Walkthrough

Adds the ha docker reset-storage command. The command requires confirmation, posts to the Docker reset-storage endpoint when confirmed, reports errors, and documents the new usage example.

Changes

Docker storage reset

Layer / File(s)	Summary
Reset command flow cmd/docker_reset_storage.go, cmd/docker.go	Adds and registers the reset-storage Cobra command. The command validates arguments, prompts for confirmation, calls the docker/reset-storage endpoint, handles errors, and adds a usage example.

Estimated code review effort: 2 (Simple) | ~10 minutes

Merge Risk: ⚪ Minimal · up to 816e3

This localized CLI change adds the requested storage-reset command without any identified merge-blocking risk; it is merge-ready after normal checks and review.

Suggested reviewers: agners

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 2 functions across 2 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely identifies the primary change: adding the docker reset-storage command.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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• Create PR with unit tests
• Commit unit tests in branch docker-reset-storage

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[coderabbitai]

Actionable comments posted: 1

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Inline comments:
In `@cmd/docker_reset_storage.go`:
- Around line 21-22: Update the reset command help text near the connectivity
and reboot requirements to state that HAOS version 18.3 or newer is required,
placing this prerequisite before the reset confirmation prompt.

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ℹ️ Review info

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Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 022d1ff5-05b0-424a-a27a-f2ff239b25c5

📥 Commits

Reviewing files that changed from the base of the PR and between 753676d and 3174273.

📒 Files selected for processing (2)

• cmd/docker.go
• cmd/docker_reset_storage.go

Included review availability: Your plan provides up to 2 included reviews per hour; 1 remains after this review.

[Copilot]

Pull request overview

Adds ha docker reset-storage to schedule Docker storage cleanup on the next reboot.

Changes:

• Adds confirmation and Supervisor API request handling.
• Documents the new Docker subcommand.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
cmd/docker.go	Lists the new command.
cmd/docker_reset_storage.go	Implements the reset workflow.

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[agners]

This is also stated when actually executing the command.

I think what I'd rather have in the help is when this can be useful/or why this command exists at all. We don't need to go into deep details, but just so users who happen to discover the command get an idea why/when they would use it.

[sairon]

Added a paragraph explaining "why". I left the note about the reboot - it's mirrored from Docker storage migration and IMO does no harm if it stay there, but let me know if it bothers you.

[home-assistant]

Please take a look at the requested changes, and use the Ready for review button when you are done, thanks 👍

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[agners]

LGTM, nice!