1 files changed, 64 insertions, 0 deletions
diff --git a/vendor/github.com/hashicorp/terraform/terraform/transform_orphan_output.go b/vendor/github.com/hashicorp/terraform/terraform/transform_orphan_output.go
new file mode 100644
index 00000000..49568d5b
--- /dev/null
+++ b/vendor/github.com/hashicorp/terraform/terraform/transform_orphan_output.go
@@ -0,0 +1,64 @@
+package terraform
+
+import (
+	"log"
+
+	"github.com/hashicorp/terraform/config"
+	"github.com/hashicorp/terraform/config/module"
+)
+
+// OrphanOutputTransformer finds the outputs that aren't present
+// in the given config that are in the state and adds them to the graph
+// for deletion.
+type OrphanOutputTransformer struct {
+	Module *module.Tree // Root module
+	State  *State       // State is the root state
+}
+
+func (t *OrphanOutputTransformer) Transform(g *Graph) error {
+	if t.State == nil {
+		log.Printf("[DEBUG] No state, no orphan outputs")
+		return nil
+	}
+
+	return t.transform(g, t.Module)
+}
+
+func (t *OrphanOutputTransformer) transform(g *Graph, m *module.Tree) error {
+	// Get our configuration, and recurse into children
+	var c *config.Config
+	if m != nil {
+		c = m.Config()
+		for _, child := range m.Children() {
+			if err := t.transform(g, child); err != nil {
+				return err
+			}
+		}
+	}
+
+	// Get the state. If there is no state, then we have no orphans!
+	path := normalizeModulePath(m.Path())
+	state := t.State.ModuleByPath(path)
+	if state == nil {
+		return nil
+	}
+
+	// Make a map of the valid outputs
+	valid := make(map[string]struct{})
+	for _, o := range c.Outputs {
+		valid[o.Name] = struct{}{}
+	}
+
+	// Go through the outputs and find the ones that aren't in our config.
+	for n, _ := range state.Outputs {
+		// If it is in the valid map, then ignore
+		if _, ok := valid[n]; ok {
+			continue
+		}
+
+		// Orphan!
+		g.Add(&NodeOutputOrphan{OutputName: n, PathValue: path})
+	}
+
+	return nil
+}