Adding node types
diff --git a/rackspace/lb/v1/nodes/results.go b/rackspace/lb/v1/nodes/results.go
index 08d4325..d32fa77 100644
--- a/rackspace/lb/v1/nodes/results.go
+++ b/rackspace/lb/v1/nodes/results.go
@@ -1,10 +1,78 @@
 package nodes
 
+// Node represents a back-end device, usually a virtual machine, that can
+// handle traffic. It is assigned traffic based on its parent load balancer.
 type Node struct {
-	Address   string
-	ID        int
-	Port      int
-	Status    Status
+	// The IP address or CIDR for this back-end node.
+	Address string
+
+	// The unique ID for this node.
+	ID int
+
+	// The port on which traffic is sent and received.
+	Port int
+
+	// The node's status.
+	Status Status
+
+	// The node's condition.
 	Condition string
-	Weight    int
+
+	// The priority at which this node will receive traffic if a weighted
+	// algorithm is used by its parent load balancer. Ranges from 1 to 100.
+	Weight int
+
+	// Type of node.
+	Type Type
 }
+
+// Type indicates whether the node is of a PRIMARY or SECONDARY nature.
+type Type string
+
+const (
+	// PRIMARY nodes are in the normal rotation to receive traffic from the load
+	// balancer.
+	PRIMARY Type = "PRIMARY"
+
+	// SECONDARY nodes are only in the rotation to receive traffic from the load
+	// balancer when all the primary nodes fail. This provides a failover feature
+	// that automatically routes traffic to the secondary node in the event that
+	// the primary node is disabled or in a failing state. Note that active
+	// health monitoring must be enabled on the load balancer to enable the
+	// failover feature to the secondary node.
+	SECONDARY Type = "SECONDARY"
+)
+
+type Condition string
+
+const (
+	// ENABLED indicates that the node is permitted to accept new connections.
+	ENABLED Condition = "ENABLED"
+
+	// DISABLED indicates that the node is not permitted to accept any new
+	// connections regardless of session persistence configuration. Existing
+	// connections are forcibly terminated.
+	DISABLED Condition = "DISABLED"
+
+	// DRAINING indicates that the node is allowed to service existing
+	// established connections and connections that are being directed to it as a
+	// result of the session persistence configuration.
+	DRAINING
+)
+
+// Status indicates whether the node can accept service traffic. If a node is
+// not listening on its port or does not meet the conditions of the defined
+// active health check for the load balancer, then the load balancer does not
+// forward connections and its status is listed as OFFLINE
+type Status string
+
+const (
+	// ONLINE indicates that the node is healthy and capable of receiving traffic
+	// from the load balancer.
+	ONLINE Status = "ONLINE"
+
+	// OFFLINE indicates that the node is not in a position to receive service
+	// traffic. It is usually switched into this state when a health check is not
+	// satisfied with the node's response time.
+	OFFLINE Status = "OFFLINE"
+)