0cd0d95612
- Command intake (reboot/shutdown) on infoscreen/{uuid}/commands with ack lifecycle
- MQTT_USER/MQTT_PASSWORD_BROKER split from identity vars; configure_mqtt_security() updated
- infoscreen-simclient.service: Type=notify, WatchdogSec=60, Restart=on-failure
- infoscreen-notify-failure@.service + script: retained MQTT alert when systemd gives up (Gap 3)
- _sd_notify() watchdog keepalive in simclient main loop (Gap 1)
- broker_connection block in health payload: reconnect_count, last_disconnect_at (Gap 2)
- COMMAND_MOCK_REBOOT_IMMEDIATE_COMPLETE canary flag with safety guard
- SERVER_TEAM_ACTIONS.md: server-side integration action items
- Docs: README, CHANGELOG, src/README, copilot-instructions updated
- 43 tests passing
55 lines
2.9 KiB
Markdown
55 lines
2.9 KiB
Markdown
## Reboot Reliability Kickoff Summary
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### Objective
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Ship a reliable, observable restart and shutdown workflow for Raspberry Pi 5 clients, with safe escalation and clear operator outcomes.
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### What Is Included
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1. Asynchronous command lifecycle with idempotent command_id handling.
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2. Monitoring-first state visibility from queued to terminal outcomes.
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3. Client acknowledgements for accepted, execution_started, completed, and failed.
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4. Pi 5 USB-SATA SSD timeout baseline and tuning rules.
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5. Capability-tier recovery with optional managed PoE escalation.
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### What Is Not Included
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1. Full maintenance module in client-management.
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2. Required managed power-switch integration.
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3. Production Wake-on-LAN rollout.
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### Team Split
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1. Platform team: API command lifecycle, safety controls, listener ack ingestion.
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2. Web team: lifecycle-aware UX and command status display.
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3. Client team: strict validation, dedupe, ack sequence, secure execution helper, reboot continuity.
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### Ownership Matrix
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| Team | Primary Plan File | Main Deliverables |
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| --- | --- | --- |
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| Platform team | implementation-plans/reboot-implementation-handoff-share.md | Command lifecycle backend, policy enforcement, listener ack mapping, safety lockout and escalation |
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| Web team | implementation-plans/reboot-implementation-handoff-share.md | Lifecycle UI states, bulk safety UX, capability visibility, command status polling |
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| Client team | implementation-plans/reboot-implementation-handoff-client-team.md | Command validation, dedupe persistence, ack sequence, secure execution helper, reboot continuity |
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| Project coordination | implementation-plans/reboot-kickoff-summary.md | Phase sequencing, canary gates, rollback thresholds, cross-team sign-off tracking |
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### Baseline Operational Defaults
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1. Safety lockout: 3 reboot commands per client in rolling 15 minutes.
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2. Escalation cooldown: 60 seconds.
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3. Reconnect target on Pi 5 SSD: 90 seconds baseline, 150 seconds cold-boot ceiling.
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4. Rollback canary trigger: failed plus timed_out above 5 percent.
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### Frozen Contract Snapshot
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1. Canonical command topic: infoscreen/{client_uuid}/commands.
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2. Canonical ack topic: infoscreen/{client_uuid}/commands/ack.
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3. Transitional compatibility topics during migration:
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- infoscreen/{client_uuid}/command
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- infoscreen/{client_uuid}/command/ack
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4. Command schema version: 1.0.
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5. Allowed command actions: reboot_host, shutdown_host.
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6. Allowed ack status values: accepted, execution_started, completed, failed.
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7. Validation snippets:
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- implementation-plans/reboot-command-payload-schemas.md
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- implementation-plans/reboot-command-payload-schemas.json
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### Immediate Next Steps
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1. Continue implementation in parallel by team against frozen contract.
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2. Client team validates dedupe and expiry handling on canonical topics.
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3. Platform team verifies ack-state transitions for accepted, execution_started, completed, failed.
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4. Execute one-group canary and validate timing plus failure drills.
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