Add k8s pod log control (#1298)

* Remove individually vendored k8s.io/kubernetes/pkg/<foo>

* Vendor the whole of vendor/k8s.io/kubernetes/pkg

* Add k8s pod log control

* Tag pods with host id and include them in the host topology as children.

* adding a basic test for kubernetes.Reporter.GetLogs

render/detailed/node_test.go

@@ -34,6 +34,7 @@ func TestMakeDetailedHostNode(t *testing.T) {
 	process1NodeSummary.Linkable = true
 	process2NodeSummary := child(t, render.ProcessRenderer, fixture.ClientProcess2NodeID)
 	process2NodeSummary.Linkable = true
+	podNodeSummary := child(t, render.PodRenderer, fixture.ClientPodNodeID)
 	want := detailed.Node{
 		NodeSummary: detailed.NodeSummary{
 			ID:         fixture.ClientHostNodeID,
@@ -93,6 +94,12 @@ func TestMakeDetailedHostNode(t *testing.T) {
 		},
 		Controls: []detailed.ControlInstance{},
 		Children: []detailed.NodeSummaryGroup{
+			{
+				Label:      "Pods",
+				TopologyID: "pods",
+				Columns:    nil,
+				Nodes:      []detailed.NodeSummary{podNodeSummary},
+			},
 			{
 				Label:      "Containers",
 				TopologyID: "containers",

render/expected/expected.go

@@ -218,7 +218,7 @@ var (
 				RenderedProcesses[fixture.ClientProcess2NodeID],
 				RenderedContainers[fixture.ClientContainerNodeID],
 				RenderedContainerImages[fixture.ClientContainerImageNodeID],
-				//RenderedPods[fixture.ClientPodNodeID], #1142
+				RenderedPods[fixture.ClientPodNodeID],
 			)),
 
 		fixture.ServerHostNodeID: hostNode(fixture.ServerHostNodeID, render.OutgoingInternetID).
@@ -229,7 +229,7 @@ var (
 				RenderedProcesses[fixture.NonContainerProcessNodeID],
 				RenderedContainers[fixture.ServerContainerNodeID],
 				RenderedContainerImages[fixture.ServerContainerImageNodeID],
-				//RenderedPods[fixture.ServerPodNodeID], #1142
+				RenderedPods[fixture.ServerPodNodeID],
 			)),
 
 		// due to https://github.com/weaveworks/scope/issues/1323 we are dropping

render/topologies.go

@@ -213,11 +213,10 @@ var HostRenderer = MakeReduce(
 		MapX2Host,
 		ContainerImageRenderer,
 	),
-	// Pods don't have a host id - #1142
-	// MakeMap(
-	// 	MapX2Host,
-	// 		SelectPod,
-	// ),
+	MakeMap(
+		MapX2Host,
+		PodRenderer,
+	),
 	SelectHost,
 )