allow an empty string to unset options
For command `alarm update`, options like `--alarm-actions` cannot be unset. Update utils to allow user to pass in an empty string in command line to unset these values. Change-Id: Ib6c712d8ad1a69b16dfef83362c576e80223f5a2
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@ -131,7 +131,14 @@ def dict_from_parsed_args(parsed_args, attrs):
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else:
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value = getattr(parsed_args, attr)
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if value is not None:
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d[attr] = value
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if value == [""]:
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# NOTE(jake): As options like --alarm-actions is an array,
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# their value can be array with empty string if user set option
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# to ''. In this case we set it to None here so that a None
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# value gets sent to API.
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d[attr] = None
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else:
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d[attr] = value
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return d
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