update

event.go

@@ -309,9 +309,11 @@ func LockResources(event Event) error {
     for _, resource := range(locked_resources) {
       UnlockResource(resource, event)
     }
+    log.Logf("event", "RESOURCE_LOCK_FAIL for %s: %s", event.Name(), lock_err)
     return lock_err
   }
 
+  log.Logf("event", "RESOURCE_LOCK_SUCCESS for %s", event.Name())
   signal := NewDownSignal(event, "locked")
   SendUpdate(event, signal)
 

resource.go

@@ -52,10 +52,16 @@ type Resource interface {
   LockState()
   UnlockState()
 
+  String() string
+
   lock(node GraphNode) error
   unlock(node GraphNode) error
 }
 
+func (resource * BaseResource) String() string {
+  return resource.Name()
+}
+
 // Recurse up cur's parents to ensure r is not present
 func checkIfParent(r Resource, cur Resource) bool {
   if r == nil || cur == nil {