を使用した AWS リソースの一覧表示 AWS CloudFormation

この例では、 を使用して AWS CloudFormation スタック内のリソースを AWS SDK for .NET 一覧表示する方法を示します。この例では、低レベル API を使用します。アプリケーションは引数を取らず、ユーザーの認証情報にアクセスできるすべてのスタックの情報を単に収集して、それらのスタックに関する情報を表示します。

using Amazon.CloudFormation;
using Amazon.CloudFormation.Model;
using Amazon.Runtime;

namespace CloudFormationActions;

public static class HelloCloudFormation
{
    public static IAmazonCloudFormation _amazonCloudFormation;

    static async Task Main(string[] args)
    {
        // Create the CloudFormation client
        _amazonCloudFormation = new AmazonCloudFormationClient();
        Console.WriteLine($"\nIn Region: {_amazonCloudFormation.Config.RegionEndpoint}");

        // List the resources for each stack
        await ListResources();
    }

    /// <summary>
    /// Method to list stack resources and other information.
    /// </summary>
    /// <returns>True if successful.</returns>
    public static async Task<bool> ListResources()
    {
        try
        {
            Console.WriteLine("Getting CloudFormation stack information...");

            // Get all stacks using the stack paginator.
            var paginatorForDescribeStacks =
                _amazonCloudFormation.Paginators.DescribeStacks(
                    new DescribeStacksRequest());
            await foreach (Stack stack in paginatorForDescribeStacks.Stacks)
            {
                // Basic information for each stack
                Console.WriteLine("\n------------------------------------------------");
                Console.WriteLine($"\nStack: {stack.StackName}");
                Console.WriteLine($"  Status: {stack.StackStatus.Value}");
                Console.WriteLine($"  Created: {stack.CreationTime}");

                // The tags of each stack (etc.)
                if (stack.Tags.Count > 0)
                {
                    Console.WriteLine("  Tags:");
                    foreach (Tag tag in stack.Tags)
                        Console.WriteLine($"    {tag.Key}, {tag.Value}");
                }

                // The resources of each stack
                DescribeStackResourcesResponse responseDescribeResources =
                    await _amazonCloudFormation.DescribeStackResourcesAsync(
                        new DescribeStackResourcesRequest
                        {
                            StackName = stack.StackName
                        });
                if (responseDescribeResources.StackResources.Count > 0)
                {
                    Console.WriteLine("  Resources:");
                    foreach (StackResource resource in responseDescribeResources
                                 .StackResources)
                        Console.WriteLine(
                            $"    {resource.LogicalResourceId}: {resource.ResourceStatus}");
                }
            }

            Console.WriteLine("\n------------------------------------------------");
            return true;
        }
        catch (AmazonCloudFormationException ex)
        {
            Console.WriteLine("Unable to get stack information:\n" + ex.Message);
            return false;
        }
        catch (AmazonServiceException ex)
        {
            if (ex.Message.Contains("Unable to get IAM security credentials"))
            {
                Console.WriteLine(ex.Message);
                Console.WriteLine("If you are usnig SSO, be sure to install" +
                    " the AWSSDK.SSO and AWSSDK.SSOOIDC packages.");
            }
            else
            {
                Console.WriteLine(ex.Message);
                Console.WriteLine(ex.StackTrace);
            }
            return false;
        }
        catch (ArgumentNullException ex)
        {
            if (ex.Message.Contains("Options property cannot be empty: ClientName"))
            {
                Console.WriteLine(ex.Message);
                Console.WriteLine("If you are using SSO, have you logged in?");
            }
            else
            {
                Console.WriteLine(ex.Message);
                Console.WriteLine(ex.StackTrace);
            }
            return false;
        }
    }
}