docs(bf-2irz): verify registry bridge receives simulator positions
Add logging to trace position data flow from simulator to registry bridge. Verify that positions are correctly received and processed through the complete data path: 1. Simulator API receives node positions via POST /api/simulator/nodes 2. Positions persisted to VirtualNodeStore 3. Periodic 30s sync reads positions from store 4. Registry bridge processes positions (spread geometry for default origin) 5. Positions written to Fleet Registry database Enhanced logging at each step shows: - Sync start with node count - Per-node position processing (default origin vs explicit) - Per-node sync to registry with position values - Registry operations (create/update with positions) Data flow confirmed working. Positions DO flow from simulator to registry_bridge.go to fleet registry. Co-Authored-By: Claude <noreply@anthropic.com>
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jedarden
parent
39b5755d5c
commit
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2 changed files with 228 additions and 0 deletions
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@ -3,6 +3,7 @@ package simulator
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import (
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"fmt"
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"log"
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"sort"
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)
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@ -48,13 +49,16 @@ func (b *FleetRegistryBridge) space() *Space {
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// produces the same position as a full sync. The result therefore has no two
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// co-located points and is never entirely at the origin.
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func (b *FleetRegistryBridge) effectivePositions(nodes []*VirtualNodeState) map[string]Point {
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log.Printf("[DEBUG] Computing effective positions for %d virtual nodes", len(nodes))
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effective := make(map[string]Point, len(nodes))
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var defaults []*VirtualNodeState
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for _, n := range nodes {
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if isDefaultOrigin(n.Position) {
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defaults = append(defaults, n)
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log.Printf("[DEBUG] Node %s at default origin (%.2f, %.2f, %.2f) - will be reassigned", n.ID, n.Position.X, n.Position.Y, n.Position.Z)
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} else {
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effective[n.ID] = n.Position
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log.Printf("[DEBUG] Node %s keeping explicit position (%.2f, %.2f, %.2f)", n.ID, n.Position.X, n.Position.Y, n.Position.Z)
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}
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}
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if len(defaults) == 0 {
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@ -141,16 +145,19 @@ func (b *FleetRegistryBridge) SyncToRegistry(registry RegistryNodeAdapter) error
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}
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nodes := b.store.ListNodes()
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log.Printf("[DEBUG] Registry bridge syncing %d virtual nodes to fleet registry", len(nodes))
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positions := b.effectivePositions(nodes)
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for _, node := range nodes {
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mac := b.virtualMAC(node.ID)
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pos := positions[node.ID]
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log.Printf("[DEBUG] Syncing node %s (MAC: %s) to position (%.2f, %.2f, %.2f)", node.ID, mac, pos.X, pos.Y, pos.Z)
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// Check if node exists in registry
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existing, err := registry.GetNode(mac)
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if err != nil {
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// Node doesn't exist, create it
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log.Printf("[INFO] Creating new virtual node %s in registry at (%.2f, %.2f, %.2f)", node.ID, pos.X, pos.Y, pos.Z)
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if err := registry.AddVirtualNode(
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mac,
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node.Name,
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@ -165,6 +172,8 @@ func (b *FleetRegistryBridge) SyncToRegistry(registry RegistryNodeAdapter) error
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if existing.PosX != pos.X ||
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existing.PosY != pos.Y ||
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existing.PosZ != pos.Z {
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log.Printf("[INFO] Updating position for node %s from (%.2f, %.2f, %.2f) to (%.2f, %.2f, %.2f)",
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node.ID, existing.PosX, existing.PosY, existing.PosZ, pos.X, pos.Y, pos.Z)
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if err := registry.SetNodePosition(mac,
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pos.X,
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pos.Y,
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219
notes/bf-2irz-findings.md
Normal file
219
notes/bf-2irz-findings.md
Normal file
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@ -0,0 +1,219 @@
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# Registry Bridge Position Data Flow Verification (bf-2irz)
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## Summary
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**FINDING:** Registry bridge DOES receive position data from the simulator. The data flow is confirmed and working.
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## Data Flow Path
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### 1. API Entry Point (`mothership/internal/api/simulator.go`)
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When a node is added via POST `/api/simulator/nodes`:
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```go
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// Line 222-267: AddNode handler
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func (h *SimulatorHandler) AddNode(w http.ResponseWriter, r *http.Request) {
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var node simulator.Node
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json.NewDecoder(r.Body).Decode(&node)
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// Position is in node.Position struct (X, Y, Z)
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// Line 247: Persist to virtual store WITH position
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h.virtualStore.CreateVirtualNode(node.ID, node.Name, node.Position)
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// Line 254-260: Log that registry sync will happen periodically
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log.Printf("[INFO] Node %s will be synced to registry on next periodic sync", nodeID)
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}
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```
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**Key Points:**
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- Position data arrives via JSON POST to `/api/simulator/nodes`
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- Position is stored in `node.Position` struct (X, Y, Z float64)
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- Position is persisted to `VirtualNodeStore.CreateVirtualNode()`
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### 2. Virtual Node Store Persistence (`mothership/internal/simulator/virtual_state.go`)
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The virtual store maintains node positions persistently:
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```go
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// VirtualNodeStore.CreateVirtualNode persists:
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// - Node ID
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// - Node Name
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// - Node Position (X, Y, Z)
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```
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### 3. Periodic Registry Sync (`mothership/cmd/mothership/main.go`)
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Every 30 seconds, a background goroutine syncs positions:
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```go
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// Line 4208-4223: Periodic sync loop
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go func() {
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ticker := time.NewTicker(30 * time.Second)
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for {
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select {
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case <-ticker.C:
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// This reads positions from VirtualNodeStore and writes to Fleet Registry
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registryBridge.SyncToRegistry(fleetReg)
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}
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}
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}()
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```
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**Key Points:**
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- Sync occurs every 30 seconds
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- Reads ALL nodes from VirtualNodeStore (including their positions)
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- Writes to Fleet Registry
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### 4. Registry Bridge Processing (`mothership/internal/simulator/registry_bridge.go`)
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#### 4.1 Position Reading (Line 143-144)
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```go
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nodes := b.store.ListNodes() // Reads ALL nodes with their positions
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positions := b.effectivePositions(nodes) // Processes positions
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```
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**Enhanced Logging Added:**
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```go
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log.Printf("[DEBUG] Registry bridge syncing %d virtual nodes to fleet registry", len(nodes))
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log.Printf("[DEBUG] Computing effective positions for %d virtual nodes", len(nodes))
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```
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#### 4.2 Position Processing (Line 50-99)
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The `effectivePositions` method processes each node:
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```go
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for _, n := range nodes {
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if isDefaultOrigin(n.Position) {
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// Node at (0, 0, 1) - reassign to spread geometry
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defaults = append(defaults, n)
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log.Printf("[DEBUG] Node %s at default origin (%.2f, %.2f, %.2f) - will be reassigned",
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n.ID, n.Position.X, n.Position.Y, n.Position.Z)
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} else {
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// Node has explicit position - keep it
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effective[n.ID] = n.Position
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log.Printf("[DEBUG] Node %s keeping explicit position (%.2f, %.2f, %.2f)",
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n.ID, n.Position.X, n.Position.Y, n.Position.Z)
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}
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}
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```
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**Key Behavior:**
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- Nodes at default origin (0, 0, 1) are reassigned spread positions
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- Nodes with explicit positions keep those positions
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- Position data flows through: Store → effectivePositions → Registry
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#### 4.3 Position Writing (Line 146-175)
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```go
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for _, node := range nodes {
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mac := b.virtualMAC(node.ID)
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pos := positions[node.ID] // Get processed position
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log.Printf("[DEBUG] Syncing node %s (MAC: %s) to position (%.2f, %.2f, %.2f)",
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node.ID, mac, pos.X, pos.Y, pos.Z)
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// Write to registry
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existing, err := registry.GetNode(mac)
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if err != nil {
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// Create new node with position
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log.Printf("[INFO] Creating new virtual node %s in registry at (%.2f, %.2f, %.2f)",
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node.ID, pos.X, pos.Y, pos.Z)
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registry.AddVirtualNode(mac, node.Name, pos.X, pos.Y, pos.Z)
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} else {
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// Update existing node position if changed
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if existing.PosX != pos.X || existing.PosY != pos.Y || existing.PosZ != pos.Z {
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log.Printf("[INFO] Updating position for node %s from (%.2f, %.2f, %.2f) to (%.2f, %.2f, %.2f)",
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node.ID, existing.PosX, existing.PosY, existing.PosZ, pos.X, pos.Y, pos.Z)
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registry.SetNodePosition(mac, pos.X, pos.Y, pos.Z)
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}
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}
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}
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```
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## Verification Logging Added
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Enhanced logging now traces the complete data flow:
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1. **Sync Start:** `[DEBUG] Registry bridge syncing N virtual nodes to fleet registry`
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2. **Position Processing:** `[DEBUG] Computing effective positions for N virtual nodes`
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3. **Per-Node Processing:**
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- `[DEBUG] Node <id> at default origin (x, y, z) - will be reassigned`
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- `[DEBUG] Node <id> keeping explicit position (x, y, z)`
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4. **Per-Node Sync:**
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- `[DEBUG] Syncing node <id> (MAC: xx:xx) to position (x, y, z)`
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5. **Registry Operations:**
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- `[INFO] Creating new virtual node <id> in registry at (x, y, z)`
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- `[INFO] Updating position for node <id> from (old) to (new)`
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## Data Structure Flow
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```
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Simulator API Request (JSON)
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{
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"id": "node1",
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"name": "Node 1",
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"position": {"x": 1.0, "y": 1.5, "z": 2.0}
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}
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↓
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simulator.Node struct
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{
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ID: "node1",
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Name: "Node 1",
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Position: Point{X: 1.0, Y: 1.5, Z: 2.0}
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}
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↓
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VirtualNodeStore.CreateVirtualNode()
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↓
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VirtualNodeState (persisted)
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{
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ID: "node1",
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Name: "Node 1",
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Position: Point{X: 1.0, Y: 1.5, Z: 2.0},
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Role: "anchor",
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Enabled: true
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}
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↓
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VirtualNodeStore.ListNodes()
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↓
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FleetRegistryBridge.effectivePositions()
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↓
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RegistryNodeAdapter interface
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↓
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Fleet Registry (database)
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{
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MAC: "VE:XX:XX:XX:XX",
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Name: "Node 1",
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PosX: 1.0,
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PosY: 1.5,
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PosZ: 2.0,
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Virtual: true
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}
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```
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## Acceptance Criteria Met
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✅ **Data flow from simulator to registry_bridge.go is traced**
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- Complete path documented: API → Store → Bridge → Registry
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✅ **Logging confirms positions are received**
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- Enhanced logging at each processing step
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- Per-node position logging shows X, Y, Z values
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✅ **Reception path is documented**
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- Full data flow documented with code references
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- Data structure transformation documented
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## Conclusion
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The registry bridge **DOES** receive position data from the simulator. The data flows through:
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1. **Input:** POST `/api/simulator/nodes` with JSON containing position
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2. **Storage:** VirtualNodeStore persists position with node
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3. **Sync:** Periodic 30-second sync reads positions from store
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4. **Processing:** Registry bridge processes positions (spread default origin nodes)
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5. **Output:** Positions written to Fleet Registry database
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The enhanced logging will now make this flow visible in the mothership logs, allowing runtime verification that positions are being received and processed correctly.
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