Add Weave peers view

render/selectors.go

@@ -31,4 +31,5 @@ var (
 	SelectService        = TopologySelector(report.Service)
 	SelectDeployment     = TopologySelector(report.Deployment)
 	SelectReplicaSet     = TopologySelector(report.ReplicaSet)
+	SelectOverlay        = TopologySelector(report.Overlay)
 )

render/weave.go

@@ -0,0 +1,23 @@
+package render
+
+import (
+	"github.com/weaveworks/scope/probe/overlay"
+	"github.com/weaveworks/scope/report"
+)
+
+// WeaveRenderer is a Renderer which produces a renderable weave topology.
+var WeaveRenderer = MakeMap(
+	MapWeaveIdentity,
+	SelectOverlay,
+)
+
+// MapWeaveIdentity maps an overlay topology node to a weave topology node.
+func MapWeaveIdentity(m report.Node, _ report.Networks) report.Nodes {
+	var node = m
+	if _, ok := m.Latest.Lookup(report.HostNodeID); !ok {
+		nickname, _ := m.Latest.Lookup(overlay.WeavePeerNickName)
+		id := MakePseudoNodeID(UnmanagedID, nickname)
+		node = NewDerivedPseudoNode(id, m)
+	}
+	return report.Nodes{node.ID: node}
+}