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lmxopcua/docs/plans/2026-07-24-mesh-phase6-partition-and-colocation.md.tasks.json
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Joseph Doherty 2535df019b fix(mesh): scope ClusterNode address reconcile to the admin node's own cluster
Phase 6 splits the fleet into one mesh per Cluster, so an admin (central)
node's Cluster.State.Members shows only its own pair — it no longer sees
site members via gossip. The ClusterNodeAddressReconciler singleton compared
live membership against EVERY ClusterNode row fleet-wide, so post-split every
foreign-cluster row would log EnabledRowNotInCluster forever.

Scope the actor's two DB queries to rows whose ClusterId matches the admin
node's own (IClusterRoleInfo.ClusterId, sourced at registration). A legacy
admin node with no cluster role (null ClusterId) still reconciles the whole
fleet — it genuinely sees every member via gossip. The pure Reconcile
function and AddressMismatchKind semantics are unchanged; scoping lives
entirely in the actor's queries.

Claude-Session: https://claude.ai/code/session_01GASWkNEi68FSCtvr6rLoEW
2026-07-24 01:39:06 -04:00

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{
"planPath": "docs/plans/2026-07-24-mesh-phase6-partition-and-colocation.md",
"program": "per-cluster-mesh",
"phase": 6,
"branch": "feat/mesh-phase6",
"decisions": {
"secrets": "pair-local Akka (no SQL-hub; sites have no SQL)",
"dpsBranches": "flip rig + change compiled defaults + split-topology validator; keep DPS code",
"rigScope": "OtOpcUa-only three 2-node meshes on one shared network"
},
"tasks": [
{"id": 0, "subject": "Task 0: RoleParser accepts cluster-{ClusterId}; consolidate driver literal", "classification": "small", "status": "completed", "commit": "87ff00fd"},
{"id": 1, "subject": "Task 1: ClusterRoleInfo exposes node's own ClusterRole/ClusterId", "classification": "small", "status": "completed", "commit": "2d2f1dec", "note": "interface in Commons/Interfaces/IClusterRoleInfo.cs; ctor (ActorSystem, IOptions<AkkaClusterOptions>, ILogger)"},
{"id": 2, "subject": "Task 2: re-home RedundancyStateActor to cluster-role singleton on drivers", "classification": "high-risk", "status": "pending", "blockedBy": [1], "parallelizableWith": [3, 4]},
{"id": 3, "subject": "Task 3: re-scope ClusterNodeAddressReconciler to own-cluster rows", "classification": "standard", "status": "pending", "blockedBy": [1], "parallelizableWith": [2, 4]},
{"id": 4, "subject": "Task 4: one ClusterClient per cluster in CentralCommunicationActor", "classification": "high-risk", "status": "pending", "blockedBy": [], "parallelizableWith": [2, 3]},
{"id": 5, "subject": "Task 5: split-topology startup validator (cluster-role => non-DPS)", "classification": "standard", "status": "pending", "blockedBy": [0, 1], "parallelizableWith": [6]},
{"id": 6, "subject": "Task 6: flip compiled transport-mode defaults (ClusterClient/Grpc)", "classification": "small", "status": "pending", "blockedBy": [], "parallelizableWith": [5]},
{"id": 7, "subject": "Task 7: rewrite docker-dev rig into three 2-node meshes", "classification": "standard", "status": "pending", "blockedBy": [0, 2, 3, 4, 5, 6]},
{"id": 8, "subject": "Task 8: docs sweep — status tables, caveat removal, pair-local secrets note", "classification": "small", "status": "pending", "blockedBy": [2, 3, 4, 5, 6], "parallelizableWith": [7]},
{"id": 9, "subject": "Task 9: live gate — three meshes, per-pair redundancy, cross-mesh transports","classification": "high-risk", "status": "pending", "blockedBy": [7, 8]}
],
"lastUpdated": "2026-07-24T00:00:00Z"
}