Amazon.CodeDeploy.AmazonCodeDeployClient.CreateDeploymentGroup C# (CSharp) Method

        public CreateDeploymentGroupResponse CreateDeploymentGroup(CreateDeploymentGroupRequest request)
        {
            var marshaller = new CreateDeploymentGroupRequestMarshaller();
            var unmarshaller = CreateDeploymentGroupResponseUnmarshaller.Instance;

            return Invoke<CreateDeploymentGroupRequest,CreateDeploymentGroupResponse>(request, marshaller, unmarshaller);
        }

        void EnsureDeploymentGroupExistsForBundle(AmazonCodeDeployClient codeDeployClient, AmazonIdentityManagementServiceClient iamClient, AmazonAutoScalingClient autoScalingClient, Role role, string deploymentGroupName)
        {
            var serviceRoleArn = role.Arn;

            if (TargetsAutoScalingDeploymentGroup)
            {
                var group =
                    autoScalingClient.DescribeAutoScalingGroups()
                        .AutoScalingGroups.FirstOrDefault(
                            asg => asg.Tags.Any(t => t.Key == "DeploymentRole" && t.Value == deploymentGroupName));

                if (group == null)
                    throw new ApplicationException(
                        string.Format("Auto scaling group with DeploymentRole {0} does not exist.", deploymentGroupName));

                try
                {
                    codeDeployClient.CreateDeploymentGroup(new CreateDeploymentGroupRequest
                    {
                        ApplicationName = CodeDeployApplicationName,
                        DeploymentGroupName = deploymentGroupName,
                        ServiceRoleArn = serviceRoleArn,
                        AutoScalingGroups = new List<string> {group.AutoScalingGroupName}
                    });
                }
                catch (DeploymentGroupAlreadyExistsException)
                {
                    // reuse a previously created deployment group with the same name
                }
            }
            else
            {
                try
                {
                    Console.WriteLine("Will assume role {0} for deployment", serviceRoleArn);
                    codeDeployClient.CreateDeploymentGroup(new CreateDeploymentGroupRequest
                    {
                        ApplicationName = CodeDeployApplicationName,
                        DeploymentGroupName = deploymentGroupName,
                        ServiceRoleArn = serviceRoleArn,
                        Ec2TagFilters = new List<EC2TagFilter>
                    {
                        new EC2TagFilter
                        {
                            Type = EC2TagFilterType.KEY_AND_VALUE,
                            Key = "DeploymentRole",
                            Value = deploymentGroupName
                        }
                    }
                    });
                }
                catch (DeploymentGroupAlreadyExistsException)
                {
                    // since this is EC2, we can reuse a previously created deployment group with the same name
                }
            }
        }