1 files changed, 78 insertions, 0 deletions
diff --git a/vendor/github.com/hashicorp/terraform/terraform/transform_attach_config_resource.go b/vendor/github.com/hashicorp/terraform/terraform/transform_attach_config_resource.go
new file mode 100644
index 00000000..f2ee37e5
--- /dev/null
+++ b/vendor/github.com/hashicorp/terraform/terraform/transform_attach_config_resource.go
@@ -0,0 +1,78 @@
+package terraform
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/hashicorp/terraform/config"
+	"github.com/hashicorp/terraform/config/module"
+)
+
+// GraphNodeAttachResourceConfig is an interface that must be implemented by nodes
+// that want resource configurations attached.
+type GraphNodeAttachResourceConfig interface {
+	// ResourceAddr is the address to the resource
+	ResourceAddr() *ResourceAddress
+
+	// Sets the configuration
+	AttachResourceConfig(*config.Resource)
+}
+
+// AttachResourceConfigTransformer goes through the graph and attaches
+// resource configuration structures to nodes that implement the interfaces
+// above.
+//
+// The attached configuration structures are directly from the configuration.
+// If they're going to be modified, a copy should be made.
+type AttachResourceConfigTransformer struct {
+	Module *module.Tree // Module is the root module for the config
+}
+
+func (t *AttachResourceConfigTransformer) Transform(g *Graph) error {
+	log.Printf("[TRACE] AttachResourceConfigTransformer: Beginning...")
+
+	// Go through and find GraphNodeAttachResource
+	for _, v := range g.Vertices() {
+		// Only care about GraphNodeAttachResource implementations
+		arn, ok := v.(GraphNodeAttachResourceConfig)
+		if !ok {
+			continue
+		}
+
+		// Determine what we're looking for
+		addr := arn.ResourceAddr()
+		log.Printf(
+			"[TRACE] AttachResourceConfigTransformer: Attach resource "+
+				"config request: %s", addr)
+
+		// Get the configuration.
+		path := normalizeModulePath(addr.Path)
+		path = path[1:]
+		tree := t.Module.Child(path)
+		if tree == nil {
+			continue
+		}
+
+		// Go through the resource configs to find the matching config
+		for _, r := range tree.Config().Resources {
+			// Get a resource address so we can compare
+			a, err := parseResourceAddressConfig(r)
+			if err != nil {
+				panic(fmt.Sprintf(
+					"Error parsing config address, this is a bug: %#v", r))
+			}
+			a.Path = addr.Path
+
+			// If this is not the same resource, then continue
+			if !a.Equals(addr) {
+				continue
+			}
+
+			log.Printf("[TRACE] Attaching resource config: %#v", r)
+			arn.AttachResourceConfig(r)
+			break
+		}
+	}
+
+	return nil
+}