Log the error from OrchestrationDeployAction

If the action fails, it returns an error to be used in the workflow.
While this is useful it means there is little trace of the error in the
log files. Adding the error also to the logs will make it easier to
debug and track down.

Related-Bug: #1734747
Change-Id: I5faba1feec7e87bb595edb3448a096caa0812a9b

tripleo_common/actions/deployment.py

@@ -122,6 +122,9 @@ class OrchestrationDeployAction(base.TripleOAction):
             if body_json['deploy_status_code'] != 0:
                 error = "Heat deployment failed for '%s'" % self.name
 
+        if error:
+            LOG.error(error)
+
         return actions.Result(data=body_json, error=error)