private async Task <Stack?> GetStackAsync(string stackName)
{
var retryCount = 0;
var shouldRetry = false;
Stack?stack = null;
do
{
var waitTime = GetWaitTime(retryCount);
try
{
await Task.Delay(waitTime);
var response = await _cloudFormationClient.DescribeStacksAsync(new DescribeStacksRequest
{
StackName = stackName
});
stack = response.Stacks.Count == 0 ? null : response.Stacks[0];
shouldRetry = false;
}
catch (AmazonCloudFormationException exception) when(exception.ErrorCode.Equals("ValidationError") && exception.Message.Equals($"Stack with id {stackName} does not exist"))
{
shouldRetry = false;
}
catch (AmazonCloudFormationException exception) when(exception.ErrorCode.Equals("Throttling"))
{
_interactiveService.WriteDebugLine(exception.PrettyPrint());
shouldRetry = true;
}
} while (shouldRetry && retryCount++ < MAX_RETRIES);
return(stack);
}
public void LogDebugLine(string?message)
{
_interactiveService.WriteDebugLine(message);
}