design: HardFork deployment simplification via bootstrap#67
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design: HardFork deployment simplification via bootstrap#67
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LLD for reducing the HardFork deployment plan from 6 tasks to 4 by leveraging the existing bootstrap Job system. The entrant node's bootstrap image (incumbent binary) syncs to haltHeight-1, then the production StatefulSet (new binary) handles the upgrade height. Eliminates SubmitHaltSignal and AwaitNodesAtHeight tasks — the bootstrap mechanism handles halt-height coordination internally. Incumbents keep running until traffic switch, removing the risk of premature SIGTERM. Covers: CRD changes, planner simplification, CreateEntrantNodes bootstrap injection, failure modes, BlueGreen convergence analysis, traffic switch timing, and implementation order. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
LLD for simplifying the HardFork deployment plan from 6 tasks to 4 by leveraging the existing bootstrap Job mechanism.
Key Change
Instead of the controller orchestrating halt-height coordination between incumbent and entrant nodes via sidecar tasks (SubmitHaltSignal + AwaitNodesAtHeight), the entrant node's bootstrap spec handles it:
sei:v6.3.0)haltHeight - 1sei:v6.4.0)The bootstrap Job syncs to one block before the upgrade, exits cleanly, then the StatefulSet starts with the new binary which processes the upgrade height.
Plan Reduction
Design Covers
IncumbentImageon DeploymentStatus)📄 Design doc:
.tide/designs/hardfork-bootstrap-simplification.md🤖 Generated with Claude Code