/// <summary>
/// Removes target(s) from a rule so that when the rule is triggered, those targets will
/// no longer be invoked.
///
///
/// <para>
/// <b>Note:</b> When you remove a target, when the associated rule triggers, removed
/// targets might still continue to be invoked. Please allow a short period of time for
/// changes to take effect.
/// </para>
/// </summary>
/// <param name="request">Container for the necessary parameters to execute the RemoveTargets service method.</param>
///
/// <returns>The response from the RemoveTargets service method, as returned by CloudWatchEvents.</returns>
/// <exception cref="Amazon.CloudWatchEvents.Model.ConcurrentModificationException">
/// This exception occurs if there is concurrent modification on rule or target.
/// </exception>
/// <exception cref="Amazon.CloudWatchEvents.Model.InternalException">
/// This exception occurs due to unexpected causes.
/// </exception>
/// <exception cref="Amazon.CloudWatchEvents.Model.ResourceNotFoundException">
/// The rule does not exist.
/// </exception>
public RemoveTargetsResponse RemoveTargets(RemoveTargetsRequest request)
{
var marshaller = new RemoveTargetsRequestMarshaller();
var unmarshaller = RemoveTargetsResponseUnmarshaller.Instance;
return(Invoke <RemoveTargetsRequest, RemoveTargetsResponse>(request, marshaller, unmarshaller));
}
internal virtual RemoveTargetsResponse RemoveTargets(RemoveTargetsRequest request)
{
var marshaller = RemoveTargetsRequestMarshaller.Instance;
var unmarshaller = RemoveTargetsResponseUnmarshaller.Instance;
return(Invoke <RemoveTargetsRequest, RemoveTargetsResponse>(request, marshaller, unmarshaller));
}
/// <summary>
/// Initiates the asynchronous execution of the RemoveTargets operation.
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the RemoveTargets operation.</param>
/// <param name="cancellationToken">
/// A cancellation token that can be used by other objects or threads to receive notice of cancellation.
/// </param>
/// <returns>The task object representing the asynchronous operation.</returns>
public Task <RemoveTargetsResponse> RemoveTargetsAsync(RemoveTargetsRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
{
var marshaller = new RemoveTargetsRequestMarshaller();
var unmarshaller = RemoveTargetsResponseUnmarshaller.Instance;
return(InvokeAsync <RemoveTargetsRequest, RemoveTargetsResponse>(request, marshaller,
unmarshaller, cancellationToken));
}
/// <summary>
/// Initiates the asynchronous execution of the RemoveTargets operation.
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the RemoveTargets operation.</param>
/// <param name="cancellationToken">
/// A cancellation token that can be used by other objects or threads to receive notice of cancellation.
/// </param>
/// <returns>The task object representing the asynchronous operation.</returns>
/// <seealso href="http://docs.aws.amazon.com/goto/WebAPI/events-2015-10-07/RemoveTargets">REST API Reference for RemoveTargets Operation</seealso>
public virtual Task <RemoveTargetsResponse> RemoveTargetsAsync(RemoveTargetsRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
{
var options = new InvokeOptions();
options.RequestMarshaller = RemoveTargetsRequestMarshaller.Instance;
options.ResponseUnmarshaller = RemoveTargetsResponseUnmarshaller.Instance;
return(InvokeAsync <RemoveTargetsResponse>(request, options, cancellationToken));
}
internal virtual RemoveTargetsResponse RemoveTargets(RemoveTargetsRequest request)
{
var options = new InvokeOptions();
options.RequestMarshaller = RemoveTargetsRequestMarshaller.Instance;
options.ResponseUnmarshaller = RemoveTargetsResponseUnmarshaller.Instance;
return(Invoke <RemoveTargetsResponse>(request, options));
}
public string Remove(Notification input, ILambdaContext context)
{
var region = RegionEndpoint.APSoutheast1;
var topicId = input.TopicId;
//Get item from DynamoDB
var key = new Dictionary <string, AttributeValue>();
key.Add("id", new AttributeValue()
{
S = topicId
});
var dynamoDBClient = new AmazonDynamoDBClient(region);
var getItemResponse = dynamoDBClient.GetItemAsync("Topics", key).Result;
if (getItemResponse.HttpStatusCode != HttpStatusCode.OK)
{
throw new TestDonkeyException("Can't find item");
}
var item = getItemResponse.Item;
var topicArn = item.GetValueOrDefault("arn").S;
//Remove permission to accept CloudWatch Events trigger for Lambda
var lambdaClient = new AmazonLambdaClient(region);
var removePermissionRequest = new Amazon.Lambda.Model.RemovePermissionRequest();
removePermissionRequest.FunctionName = "TestDonkeyLambda";
removePermissionRequest.StatementId = $"testdonkey-lambda-{ topicId }";
var removePermissionResponse = lambdaClient.RemovePermissionAsync(removePermissionRequest).Result;
if (removePermissionResponse.HttpStatusCode != HttpStatusCode.NoContent)
{
throw new TestDonkeyException("Can't remove permission");
}
//Remove target for CloudWatch Events
var cloudWatchEventClient = new AmazonCloudWatchEventsClient(region);
var removeTargetsRequest = new RemoveTargetsRequest();
removeTargetsRequest.Ids = new List <string> {
$"testdonkey-target-{ topicId }"
};
removeTargetsRequest.Rule = $"testdonkey-rule-{ topicId }";
var removeTargetsResponse = cloudWatchEventClient.RemoveTargetsAsync(removeTargetsRequest).Result;
if (removeTargetsResponse.HttpStatusCode != HttpStatusCode.OK)
{
throw new TestDonkeyException("Can't remove target");
}
//Delete rule in CloudWatch Events
var deleteRuleRequest = new DeleteRuleRequest();
deleteRuleRequest.Name = removeTargetsRequest.Rule;
var deleteRuleResponse = cloudWatchEventClient.DeleteRuleAsync(deleteRuleRequest).Result;
if (deleteRuleResponse.HttpStatusCode != HttpStatusCode.OK)
{
throw new TestDonkeyException("Can't delete rule");
}
//Remove subscribers from SNS
var snsClient = new AmazonSimpleNotificationServiceClient(region);
var listSubscriptionsByTopicRequest = new ListSubscriptionsByTopicRequest();
listSubscriptionsByTopicRequest.TopicArn = topicArn;
ListSubscriptionsByTopicResponse listSubscriptionsByTopicResponse = null;
do
{
listSubscriptionsByTopicResponse = snsClient.ListSubscriptionsByTopicAsync(listSubscriptionsByTopicRequest).Result;
if (listSubscriptionsByTopicResponse.HttpStatusCode != HttpStatusCode.OK)
{
throw new TestDonkeyException("Can't list subscriptions");
}
if (listSubscriptionsByTopicResponse.Subscriptions != null && listSubscriptionsByTopicResponse.Subscriptions.Count > 0)
{
foreach (var subscription in listSubscriptionsByTopicResponse.Subscriptions)
{
if (!subscription.SubscriptionArn.Equals("pendingconfirmation", StringComparison.OrdinalIgnoreCase))
{
snsClient.UnsubscribeAsync(subscription.SubscriptionArn).GetAwaiter().GetResult();
}
}
}
listSubscriptionsByTopicRequest.NextToken = listSubscriptionsByTopicResponse.NextToken;
Thread.Sleep(1_000); //Wait for 1 second. Throttle: 100 transactions per second (TPS)
} while (!string.IsNullOrWhiteSpace(listSubscriptionsByTopicResponse.NextToken));
//Delete topic from SNS
var deleteTopicResponse = snsClient.DeleteTopicAsync(topicArn).Result;
if (deleteTopicResponse.HttpStatusCode != HttpStatusCode.OK)
{
throw new TestDonkeyException("Can't delete topic");
}
//Delete item from DynamoDB
var dynamoDBDeleteItemResponse = dynamoDBClient.DeleteItemAsync("Topics", key).Result;
if (dynamoDBDeleteItemResponse.HttpStatusCode != HttpStatusCode.OK)
{
throw new TestDonkeyException("Can't delete item");
}
return("success");
}