Synnefo » ./kamaki

    def cluster_size(this, foo):

        def _raise(self, *args, **kwargs):

            size = kwargs.get('size', None)

            try:

                size = int(size)

                assert size > 0, 'Cluster size must be a positive integer'

                return foo(self, *args, **kwargs)

            except ValueError as ve:

                msg = 'Invalid cluster size value %s' % size

                raiseCLIError(ve, msg, importance=1, details=[

                    'Cluster size must be a positive integer'])

            except AssertionError as ae:

                raiseCLIError(

                    ae, 'Invalid cluster size %s' % size, importance=1)

            except ClientError:

                raise

        return _raise

    @classmethod