Avoid nil pointer for 2.0 workflows. (#820)

argoproj · Apr 5, 2018 · da582a5 · da582a5
1 parent 0f225ce
commit da582a5
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/cmd/argo/commands/get.go b/cmd/argo/commands/get.go
@@ -294,6 +294,10 @@ func convertToRenderTrees(wf *wfv1.Workflow) map[string]renderNode {
 
 	// 1st Pass Process enough of nonBoundaryParent nodes to know all their children
 	for id, status := range wf.Status.Nodes {
+		if status.Type == "" {
+			log.Fatal("Missing node type in status node. Cannot get workflows created with Argo <= 2.0 using the default or wide output option.")
+			return nil
+		}
 		if isNonBoundaryParentNode(status.Type) {
 			n := nonBoundaryParentNode{nodeInfo: nodeInfo{id: id}}
 			nonBoundaryParentMap[id] = &n