1 files changed, 100 insertions, 0 deletions
diff --git a/vendor/github.com/hashicorp/terraform/terraform/node_resource_refresh.go b/vendor/github.com/hashicorp/terraform/terraform/node_resource_refresh.go
new file mode 100644
index 00000000..3a44926c
--- /dev/null
+++ b/vendor/github.com/hashicorp/terraform/terraform/node_resource_refresh.go
@@ -0,0 +1,100 @@
+package terraform
+
+import (
+	"fmt"
+
+	"github.com/hashicorp/terraform/config"
+)
+
+// NodeRefreshableResource represents a resource that is "applyable":
+// it is ready to be applied and is represented by a diff.
+type NodeRefreshableResource struct {
+	*NodeAbstractResource
+}
+
+// GraphNodeDestroyer
+func (n *NodeRefreshableResource) DestroyAddr() *ResourceAddress {
+	return n.Addr
+}
+
+// GraphNodeEvalable
+func (n *NodeRefreshableResource) EvalTree() EvalNode {
+	// Eval info is different depending on what kind of resource this is
+	switch mode := n.Addr.Mode; mode {
+	case config.ManagedResourceMode:
+		return n.evalTreeManagedResource()
+
+	case config.DataResourceMode:
+		// Get the data source node. If we don't have a configuration
+		// then it is an orphan so we destroy it (remove it from the state).
+		var dn GraphNodeEvalable
+		if n.Config != nil {
+			dn = &NodeRefreshableDataResourceInstance{
+				NodeAbstractResource: n.NodeAbstractResource,
+			}
+		} else {
+			dn = &NodeDestroyableDataResource{
+				NodeAbstractResource: n.NodeAbstractResource,
+			}
+		}
+
+		return dn.EvalTree()
+	default:
+		panic(fmt.Errorf("unsupported resource mode %s", mode))
+	}
+}
+
+func (n *NodeRefreshableResource) evalTreeManagedResource() EvalNode {
+	addr := n.NodeAbstractResource.Addr
+
+	// stateId is the ID to put into the state
+	stateId := addr.stateId()
+
+	// Build the instance info. More of this will be populated during eval
+	info := &InstanceInfo{
+		Id:   stateId,
+		Type: addr.Type,
+	}
+
+	// Declare a bunch of variables that are used for state during
+	// evaluation. Most of this are written to by-address below.
+	var provider ResourceProvider
+	var state *InstanceState
+
+	// This happened during initial development. All known cases were
+	// fixed and tested but as a sanity check let's assert here.
+	if n.ResourceState == nil {
+		err := fmt.Errorf(
+			"No resource state attached for addr: %s\n\n"+
+				"This is a bug. Please report this to Terraform with your configuration\n"+
+				"and state attached. Please be careful to scrub any sensitive information.",
+			addr)
+		return &EvalReturnError{Error: &err}
+	}
+
+	return &EvalSequence{
+		Nodes: []EvalNode{
+			&EvalGetProvider{
+				Name:   n.ProvidedBy()[0],
+				Output: &provider,
+			},
+			&EvalReadState{
+				Name:   stateId,
+				Output: &state,
+			},
+			&EvalRefresh{
+				Info:     info,
+				Provider: &provider,
+				State:    &state,
+				Output:   &state,
+			},
+			&EvalWriteState{
+				Name:         stateId,
+				ResourceType: n.ResourceState.Type,
+				Provider:     n.ResourceState.Provider,
+				Dependencies: n.ResourceState.Dependencies,
+				State:        &state,
+			},
+		},
+	}
+}