From 0b786ae5a7547d2398fd5967d226f0f52b09120f Mon Sep 17 00:00:00 2001
From: Tom Wilkie <tom@weave.works>
Date: Wed, 27 May 2015 09:32:32 +0000
Subject: [PATCH] Don't produce pseudo nodes for the container topologies

---
 app/router.go               | 2 +-
 report/mapping_functions.go | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/app/router.go b/app/router.go
index 030af850e..1da3f9764 100644
--- a/app/router.go
+++ b/app/router.go
@@ -50,6 +50,6 @@ var topologyRegistry = map[string]struct {
 	hasGrouped bool
 }{
 	"applications": {"Applications", selectProcess, report.ProcessPID, report.GenericPseudoNode, true},
-	"containers":   {"Containers", selectProcess, report.ProcessContainer, report.GenericPseudoNode, true},
+	"containers":   {"Containers", selectProcess, report.ProcessContainer, report.NoPseudoNode, true},
 	"hosts":        {"Hosts", selectNetwork, report.NetworkHostname, report.GenericPseudoNode, false},
 }
diff --git a/report/mapping_functions.go b/report/mapping_functions.go
index 93825d7b5..007c8bd89 100644
--- a/report/mapping_functions.go
+++ b/report/mapping_functions.go
@@ -138,6 +138,11 @@ func GenericPseudoNode(src string, srcMapped RenderableNode, dst string, grouped
 	}, true
 }
 
+// NoPseudoNode never creates a pseudo node.
+func NoPseudoNode(string, RenderableNode, string, bool) (MappedNode, bool) {
+	return MappedNode{}, false
+}
+
 func trySplitAddr(addr string) (string, string) {
 	fields := strings.SplitN(addr, ScopeDelim, 3)
 	if len(fields) == 3 {