[doc] Clarify Step return values
Clarifying what we require for a return value in a cleaning step; basically not much. Change-Id: I28c26d5b2d32d7af8d97900eb029741c8dbb166f
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@ -114,6 +114,13 @@ message, and no further managers will be called. An example step:
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else:
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else:
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raise errors.IncompatibleHardwareMethodError()
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raise errors.IncompatibleHardwareMethodError()
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.. note::
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If creating a new step, the value returned must be serializable into an
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API response and log message. If replacing an existing step, you should
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return a response of the same type and style of the upstream step.
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If the step has args, you need to add them to argsinfo and provide the
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If the step has args, you need to add them to argsinfo and provide the
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function with extra parameters.
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function with extra parameters.
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