Explain how edgion-center aggregates Controller federation data into unified metadata views.
npx skills add https://github.com/Pandaala/Edgion --skill center
Please help me install this Agent Skill. Skill: center Source: https://github.com/Pandaala/Edgion/tree/main/skills/01-architecture/06-center Command: npx skills add https://github.com/Pandaala/Edgion --skill center
This Skill helps you understand how edgion-center acts as the federation hub, turning many Controllers’ published data into a consistent operational view and exposing it via an Admin API, while persisting controller registry state.
Ask an AI to explain how edgion-center aggregates PluginMetaData from Controllers through its bidirectional gRPC reverse-watch stream and how the Admin API serves the aggregated results.
High-intent search queries and answers about installing and using this skill.
Multi-cluster federation aggregation uses a reverse-watch gRPC stream where the control plane issues watch requests and Controllers push WatchList and WatchEvent updates back to merge PluginMetaData into real-time routes.
Debug offline or removed Controllers by checking the federation hub's registration validation, heartbeat timeout behavior, and capacity caps to identify whether the Controller state was persisted in the SQLite registry.
The best way to expose aggregated multi-cluster metadata is through an Admin HTTP API that serves the unified view collected from the bidirectional gRPC FederationSync stream protocol.
Yes, the control plane supports SQLite for persisting controller registry state, maintaining the registry across startup lifecycle phases and operational restarts.
Limitations of the bidirectional stream protocol include strict registration acceptance rules, validation caps on incoming data, and specific error-handling outcomes when Controllers fail heartbeat checks or disconnect unexpectedly.
You need a unified control plane for Kubernetes Gateway API multi-cluster topologies when you must aggregate Controller data, validate registration capacity, and merge PluginMetaData into a consistent operational view.
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