Use microshift healthcheck procedure instead of restarting greenboot service

[ggiguash]

Closes #139

• Revert commit 082e76a
• Replace greenboot service restarts by microshift healthcheck command

Note: This PR can be merged as soon as the fedora-iot/greenboot-rs#132 fix is released in Fedora 43 and CentOS 9 / 10 upstream.

Summary by CodeRabbit

• Chores

  • Removed strict version pinning for the greenboot package to allow more flexible updates.

• Bug Fixes / Maintenance

  • Replaced direct host service restart with an in-container healthcheck invocation for improved startup validation.
  • Simplified startup sequence to enable and restart the primary service only, removing an extra healthcheck service restart.

_{✏️ Tip: You can customize this high-level summary in your review settings.}

[coderabbitai]

📝 Walkthrough

Walkthrough

Removed explicit greenboot-0.15.* installation/pinning from packaging and RPM install paths; replaced direct greenboot-healthcheck.service restarts in CI with a podman-run microshift healthcheck call; simplified service handling in an isolated-network script to only enable and restart microshift.

Changes

Cohort / File(s)	Summary
Greenboot pin removal packaging/bootc.Containerfile, src/quickrpm.sh	Removed inline greenboot-0.15.* installation/pinning and related dnf install steps.
CI healthcheck substitution .github/actions/quick-rpm-clean/action.yaml	Replaced greenboot-healthcheck.service restart calls with sudo podman exec -i microshift-okd microshift healthcheck -v=2 --timeout=600s and updated comments.
Service restart simplification src/config_isolated_net.sh	Replaced loop restarting microshift and greenboot-healthcheck with enabling and restarting only the microshift service.

Sequence Diagram(s)

mermaid
sequenceDiagram
participant Action as GitHub Action (quick-rpm-clean)
participant Host as Runner Host
participant Podman as Podman
participant Container as microshift-okd container
participant Healthcheck as microshift healthcheck
rect rgba(60,120,200,0.5)
Action->>Host: run workflow step
Host->>Podman: podman exec -i microshift-okd microshift healthcheck -v=2 --timeout=600s
Podman->>Container: invoke microshift binary
Container->>Healthcheck: execute health checks
Healthcheck-->>Action: return status/result
end

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~25 minutes

Possibly related PRs

• Ensure greenboot 0.15 is installed for bootc and quick-rpm procedures #176 — Directly overlaps: adds/pins greenboot-0.15 in same packaging and quickrpm files (conflicting changes).
• Implement a quick rpm install procedure #137 — Related edits to quick-rpm install and CI healthcheck handling affecting the same scripts/workflow.

Suggested reviewers

• agullon
• copejon

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately summarizes the primary change: replacing greenboot service restarts with microshift healthcheck procedure across multiple files.
Linked Issues check	✅ Passed	Changes address issue #139 by removing greenboot service restarts and replacing them with microshift healthcheck commands, which avoids triggering the greenboot mount-info failure.
Out of Scope Changes check	✅ Passed	All changes directly relate to the stated objective: removing greenboot package pins and replacing greenboot service restarts with microshift healthcheck.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.

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✨ Finishing touches

• 📝 Generate docstrings

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[ggiguash]

@coderabbitai
Perform full review.

[coderabbitai]

@ggiguash I'll perform a full review of the PR.

✅ Actions performed

Full review triggered.