'Define a new consistency group'

def create_consistency_group(self, name, warn_at_percent_full=75, rollback_priority='medium', full_policy='failbasewrites'):

    path = self.RESOURCE_PATHS.get('cgroups')
    data = {'name': name, 'fullWarnThresholdPercent': warn_at_percent_full, 'repositoryFullPolicy': full_policy, 'autoDeleteThreshold': 0, 'rollbackPriority': rollback_priority}
    return self._invoke('POST', path, data)
