Overcloud deployment with Octavia fails

Issue

• Overcloud deployment with Octavia fails

2019-04-04 09:54:06.144 26444 ERROR mistral.engine.task_handler [req-173e1fa4-04c5-4b83-ad0e-281b3cb9a5cb 752ef9f6b98f450983410262511f9de8 7353fd49ce0249b797983315155d9470 - default default] Failed to run task [error=Invalid input [name=octavia_post_deploy, class=DirectWorkflowSpec, missing=['amp_to_raw']], wf=tripleo.overcloud.workflow_tasks.step5, task=octavia_post_workflow]:
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/mistral/engine/task_handler.py", line 63, in run_task
    task.run()
  File "/usr/lib/python2.7/site-packages/osprofiler/profiler.py", line 158, in wrapper
    result = f(*args, **kwargs)
  File "/usr/lib/python2.7/site-packages/mistral/engine/tasks.py", line 333, in run
    self._run_new()
  File "/usr/lib/python2.7/site-packages/osprofiler/profiler.py", line 158, in wrapper
    result = f(*args, **kwargs)
  File "/usr/lib/python2.7/site-packages/mistral/engine/tasks.py", line 359, in _run_new
    self._schedule_actions()
  File "/usr/lib/python2.7/site-packages/mistral/engine/tasks.py", line 428, in _schedule_actions
    timeout=self._get_timeout()
  File "/usr/lib/python2.7/site-packages/osprofiler/profiler.py", line 158, in wrapper
    result = f(*args, **kwargs)
  File "/usr/lib/python2.7/site-packages/mistral/engine/actions.py", line 576, in schedule
    wf_params
  File "/usr/lib/python2.7/site-packages/osprofiler/profiler.py", line 158, in wrapper
    result = f(*args, **kwargs)
  File "/usr/lib/python2.7/site-packages/mistral/engine/workflow_handler.py", line 54, in start_workflow
    params=params
  File "/usr/lib/python2.7/site-packages/osprofiler/profiler.py", line 158, in wrapper
    result = f(*args, **kwargs)
  File "/usr/lib/python2.7/site-packages/mistral/engine/workflows.py", line 92, in start
    self.validate_input(input_dict)
  File "/usr/lib/python2.7/site-packages/mistral/engine/workflows.py", line 188, in validate_input
    self.wf_spec.__class__.__name__
  File "/usr/lib/python2.7/site-packages/mistral/engine/utils.py", line 66, in validate_input
    raise exc.InputException(msg % tuple(msg_props))
InputException: Invalid input [name=octavia_post_deploy, class=DirectWorkflowSpec, missing=['amp_to_raw']]