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  feat(cluster): quiet steady-state Raft log — identity freeze + approval queue, stream-only liveness, docker wire delta

  LastSkywalker released this 2026-08-31 22:15:04 +03:00 | 85 commits to main since this release

  Three changes that together stop the cluster from re-writing unchanged
  host/service state on every cycle:

  1. Liveness off the durable Raft log. last_seen now rides the best-effort
     metric stream only (MetricSink already bumps it per batch; connector
     pollers bump their guests locally each cycle). The per-host
     CmdHostUpsert/CmdConnectorHostUpsert heartbeat becomes a rare 10-min
     record RESYNC (was 15s/60s liveness), and the self-advertise loop
     republishes the URL catalog only on change or the same 10-min resync
     (was every 30s per node). A failed submit resets the change-throttle so
     the next tick retries — without this, a join-window failure left the
     host record missing on peers until the resync (observed live).
     Measured on a 2-node cluster: raft last_index fully static for 4+ min
     while every host stays online on every node.

  2. Identity freeze + pending-change approval (полумануальный режим).
     Past a 10-min discovery grace window a connector never rewrites an
     existing connector-owned row's name/MAC in place: the diff parks as a
     Raft-replicated host_pending_changes row (one per host+source,
     deterministic change_id; CmdHostPendingUpsert/Delete/Apply) that an
     admin approves or rejects in admin → Nodes (amber dot on the machine
     card). Reject pins the fingerprint so the same value is never
     re-proposed; a source revert withdraws the proposal automatically.
     Topology/state (parent_mac, external_id, guest_status, IP) keeps
     flowing — PVE migrations change them legitimately. This also ends
     connector-vs-agent identity flip-flop wars structurally.

  3. Docker wire delta. The static-heavy container inventory rides the peer
     metric batch only when its stable projection (minus per-tick stats and
     the "Up N minutes" status) changes, or every 30s as a resync
     (docker.WireGate) — wire-compatible, receivers unchanged.

  Co-Authored-By: Claude Fable 5 noreply@anthropic.com

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