From 7c2c9b82a321ad292e53fc08475f77d0ce7699fb Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Wed, 12 Oct 2016 18:43:26 -0700
Subject: [PATCH] terraform: interpolation for multi-var checks both ".0" and
 "" suffix

---
 terraform/context_apply_test.go    | 2 ++
 terraform/node_output.go           | 4 ++++
 terraform/node_resource_destroy.go | 7 ++++++-
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/terraform/context_apply_test.go b/terraform/context_apply_test.go
index 8c2af8a70..698c5da5a 100644
--- a/terraform/context_apply_test.go
+++ b/terraform/context_apply_test.go
@@ -1783,6 +1783,8 @@ func TestContext2Apply_multiVar(t *testing.T) {
 			t.Fatalf("err: %s", err)
 		}
 
+		t.Logf("End state: %s", state.String())
+
 		actual := state.RootModule().Outputs["output"]
 		if actual == nil {
 			t.Fatal("missing output")
diff --git a/terraform/node_output.go b/terraform/node_output.go
index 08bb892d6..c10c6e4f8 100644
--- a/terraform/node_output.go
+++ b/terraform/node_output.go
@@ -37,6 +37,10 @@ func (n *NodeApplyableOutput) ReferenceableName() []string {
 func (n *NodeApplyableOutput) References() []string {
 	var result []string
 	result = append(result, ReferencesFromConfig(n.Config.RawConfig)...)
+	for _, v := range result {
+		result = append(result, v+".destroy")
+	}
+
 	return result
 }
 
diff --git a/terraform/node_resource_destroy.go b/terraform/node_resource_destroy.go
index 640f5d158..6ef7b7d5f 100644
--- a/terraform/node_resource_destroy.go
+++ b/terraform/node_resource_destroy.go
@@ -30,7 +30,12 @@ func (n *NodeDestroyResource) CreateBeforeDestroy() bool {
 
 // GraphNodeReferenceable, overriding NodeAbstractResource
 func (n *NodeDestroyResource) ReferenceableName() []string {
-	return nil
+	result := n.NodeAbstractResource.ReferenceableName()
+	for i, v := range result {
+		result[i] = v + ".destroy"
+	}
+
+	return result
 }
 
 // GraphNodeReferencer, overriding NodeAbstractResource