terraform: plan destroy

terraform/context_test.go

@@ -826,8 +826,7 @@ func TestContext2Plan_countIncreaseFromOne(t *testing.T) {
 	}
 }
 
-/*
+func TestContext2Plan_destroy(t *testing.T) {
-func TestContextPlan_destroy(t *testing.T) {
 	m := testModule(t, "plan-destroy")
 	p := testProvider("aws")
 	p.DiffFn = testDiffFn
@@ -852,7 +851,7 @@ func TestContextPlan_destroy(t *testing.T) {
 			},
 		},
 	}
-	ctx := testContext(t, &ContextOpts{
+	ctx := testContext2(t, &ContextOpts{
 		Module: m,
 		Providers: map[string]ResourceProviderFactory{
 			"aws": testProviderFuncFixed(p),
@@ -876,6 +875,7 @@ func TestContextPlan_destroy(t *testing.T) {
 	}
 }
 
+/*
 func TestContextPlan_moduleDestroy(t *testing.T) {
 	m := testModule(t, "plan-module-destroy")
 	p := testProvider("aws")

terraform/eval_diff.go

@@ -117,6 +117,11 @@ func (n *EvalDiffDestroy) Eval(
 		state = args[0].(*InstanceState)
 	}
 
+	// If there is no state or we don't have an ID, we're already destroyed
+	if state == nil || state.ID == "" {
+		return nil, nil
+	}
+
 	// Call pre-diff hook
 	err := ctx.Hook(func(h Hook) (HookAction, error) {
 		return h.PreDiff(n.Info, state)

terraform/transform_orphan.go

@@ -197,7 +197,7 @@ func (n *graphNodeOrphanResource) EvalTree() EvalNode {
 	// Diff the resource
 	var diff InstanceDiff
 	seq.Nodes = append(seq.Nodes, &EvalOpFilter{
-		Ops: []walkOperation{walkPlan},
+		Ops: []walkOperation{walkPlan, walkPlanDestroy},
 		Node: &EvalSequence{
 			Nodes: []EvalNode{
 				&EvalDiffDestroy{

terraform/transform_resource.go

@@ -183,6 +183,24 @@ func (n *graphNodeExpandedResource) EvalTree() EvalNode {
 		},
 	})
 
+	// Diff the resource for destruction
+	seq.Nodes = append(seq.Nodes, &EvalOpFilter{
+		Ops: []walkOperation{walkPlanDestroy},
+		Node: &EvalSequence{
+			Nodes: []EvalNode{
+				&EvalDiffDestroy{
+					Info:   info,
+					State:  &EvalReadState{Name: n.stateId()},
+					Output: &diff,
+				},
+				&EvalWriteDiff{
+					Name: n.stateId(),
+					Diff: &diff,
+				},
+			},
+		},
+	})
+
 	return seq
 }