docs: def create_cluster(self):
          """Creates a cluster on Amazon EKS .
          """
          self.create_stack(
              self.cluster_name,
              'amazon-eks-cluster.yaml',
              parameters=define_parameters(
                  ClusterName=self.cluster_name,
                  ControlPlaneSecurityGroup=self.security_groups,
                  Subnets=self.subnet_ids
              )
          )