'Creates a new Amazon Redshift security group. You use security
groups to control access to non-VPC clusters.
For information about managing security groups, go to `Amazon
Redshift Cluster Security Groups`_ in the Amazon Redshift
Management Guide .
:type cluster_security_group_name: string
:param cluster_security_group_name: The name for the security group.
Amazon Redshift stores the value as a lowercase string.
Constraints:
+ Must contain no more than 255 alphanumeric characters or hyphens.
+ Must not be "Default".
+ Must be unique for all security groups that are created by your AWS
account.
Example: `examplesecuritygroup`
:type description: string
:param description: A description for the security group.'

def create_cluster_security_group(self, cluster_security_group_name, description):

    params = {'ClusterSecurityGroupName': cluster_security_group_name, 'Description': description}
    return self._make_request(action='CreateClusterSecurityGroup', verb='POST', path='/', params=params)
