controller: write config agent version info to ClickHouse#3578
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controller: write config agent version info to ClickHouse#3578
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Write agent and controller version info to a separate ReplacingMergeTree table keyed by device_pubkey. ClickHouse merges rows down to one per device; Lake queries with FINAL. The existing controller_grpc_getconfig_success table stays lean (timestamp + device_pubkey only) for event tracking.
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Summary of Changes
controller_agent_versionsClickHouse table usingReplacingMergeTree(updated_at)keyed bydevice_pubkeyto track the latest agent and controller version per deviceFINALfor deduplicated resultscontroller_grpc_getconfig_successlean (timestamp+device_pubkeyonly) — separates event tracking from version statecontroller_agent_versionsto Lake's external remote table proxiesDiff Breakdown
Small feature — mostly core logic (ClickHouse writer + flush), with minimal scaffolding.
Testing Verification
go build ./controlplane/controller/...— builds cleango test ./controlplane/controller/...— all existing tests passgo vet ./controlplane/controller/...— no issues