private static async Task ValidateSdkConfigAsync()

in src/Aspire.Hosting.AWS/SdkUtilities.cs [104:157]
44 lines of code
7 McCabe index (conditional complexity)

    private static async Task ValidateSdkConfigAsync(ILogger logger, IAWSSDKConfig config, bool defaultConfig)
    {
        // Cache key used to make sure we only validate a SDK configuration once.
        var cacheKey = $"Profile:{config.Profile},Region:{config.Region?.SystemName}";

        await _semaphore.WaitAsync();
        try
        {
            if (_validatedSdkConfigs.Contains(cacheKey))
            {
                return;
            }

            var stsConfig = new AmazonSecurityTokenServiceConfig();
            if (config.Region != null)
                stsConfig.RegionEndpoint = config.Region;
            if (!string.IsNullOrEmpty(config.Profile))
                stsConfig.Profile = new Amazon.Profile(config.Profile);

            try
            {
                using var stsClient = new AmazonSecurityTokenServiceClient(stsConfig);
                stsClient.BeforeRequestEvent += ConfigureUserAgentString;

                // Make an AWS call to an API that doesn't require permissions to confirm
                // the sdk config is able to connect to AWS.
                var response = await stsClient.GetCallerIdentityAsync(new GetCallerIdentityRequest());

                if (defaultConfig)
                    logger.LogInformation("Default AWS SDK config validated for account: {accountId}", response.Account);
                else
                    logger.LogInformation("AWS SDK config validated for account: {accountId}", response.Account);

                _validatedSdkConfigs.Add(cacheKey);
            }
            catch (Exception)
            {
                if (defaultConfig)
                {
                    logger.LogWarning("Failed to connect to AWS using default AWS SDK config");
                }
                else
                {
                    logger.LogError("Failed to connect to AWS using AWS SDK config: {configSettings}", cacheKey);
                }

                _validatedSdkConfigs.Add(cacheKey);
            }
        }
        finally
        {
            _semaphore.Release();
        }
    }