The controller no longer subscribes to the alive message: HostBeats, its handler, the heartbeat-gap duration and a fixed silent bound (issue 1183, AC3, AC4, AC5)

cmd/mesh-controller/watchdogs.go

@@ -142,9 +142,7 @@ type machineFacts struct {
 	control bool
 	// lastHeard is the store's last word from it, any word; zero when never.
 	lastHeard time.Time
-	// every is the heartbeat interval it said; zero when it said none.
-	every time.Duration
-	power link.PowerState
+	power     link.PowerState
 	// sentAt is when it was last sent a declaration; reportedCurrent whether it has reported that one.
 	sentAt          time.Time
 	reportedCurrent bool
@@ -457,9 +455,6 @@ func (w *watchdogs) gatherMachines(ctx context.Context, inv *inventory.Inventory
 	for _, n := range nodes {
 		m := machineFacts{name: n.Name, control: slices.Contains(control, n.Name), lastHeard: n.LastSeen,
 			lastApply: lastApply[n.Name], tools: slices.Contains(tooled, n.Name)}
-		if beat, ok := link.HostBeats.Of(n.Name); ok {
-			m.every = beat.Every
-		}
 		if beat, ok := link.ToolsBeats.Of(n.Name); ok {
 			m.toolsHeard, m.toolsEvery = beat.At, beat.Every
 		}