public override OperationResult Deprovision(AddonDeprovisionRequest request)
{
string connectionData = request.ConnectionData;
// changing to overloaded constructor - 5/22/14
var deprovisionResult = new ProvisionAddOnResult(connectionData);
AddonManifest manifest = request.Manifest;
string devOptions = request.DeveloperOptions;
try
{
AmazonSimpleNotificationServiceClient client;
var conInfo = ConnectionInfo.Parse(connectionData);
var developerOptions = DeveloperOptions.Parse(devOptions);
var establishClientResult = EstablishClient(manifest, developerOptions, out client);
if (!establishClientResult.IsSuccess)
{
deprovisionResult.EndUserMessage = establishClientResult.EndUserMessage;
return(deprovisionResult);
}
var response =
client.DeleteTopic(new DeleteTopicRequest()
{
TopicArn = conInfo.TopicArn
});
if (response.HttpStatusCode != null)
{
do
{
// ok, to verify deletion, we need to list all of the topics and search for the one we just deleted.
// if it's still there, its probably in queue to be deleted, we'll sleep the thread and give it a minute.
// once its gone, we'll return true.
// if after an intolerable amount of time the queue is still there, throw an error.
var verificationResponse = client.ListTopics(new ListTopicsRequest());
// if there are no topics, ok!
if (verificationResponse.Topics.Count == 0)
{
deprovisionResult.IsSuccess = true;
break;
}
// if there are existing topics, search for the one we just deleted.
if (verificationResponse.Topics.Find(m => m.TopicArn.Equals(conInfo.TopicArn)) == null)
{
deprovisionResult.IsSuccess = true;
break;
}
// otherwise, the topic still exists and we need to wait a little longer.
Thread.Sleep(TimeSpan.FromSeconds(10d));
} while (true);
}
}
catch (Exception e)
{
deprovisionResult.EndUserMessage += "An error occurred during deletion. Your SNS queue may be deleted, but we were unable to verify. Please check your AWS Console.";
deprovisionResult.EndUserMessage += e.Message;
}
return(deprovisionResult);
}
private OperationResult ParseDevOptions(string developerOptions, out DeveloperOptions devOptions)
{
devOptions = null;
var result = new OperationResult()
{
IsSuccess = false
};
var progress = "";
try
{
progress += "Parsing developer options...\n";
devOptions = DeveloperOptions.Parse(developerOptions);
}
catch (ArgumentException e)
{
result.EndUserMessage = e.Message;
return(result);
}
result.IsSuccess = true;
result.EndUserMessage = progress;
return(result);
}
// Provision SNS Topic
// Input: AddonDeprovisionRequest request
// Output: ProvisionAddOnResult
public override ProvisionAddOnResult Provision(AddonProvisionRequest request)
{
// i think this is a bug. but I'm going to throw an empty string to it to clear the warning.
var provisionResult = new ProvisionAddOnResult("");
AddonManifest manifest = request.Manifest;
string developerOptions = request.DeveloperOptions;
try
{
AmazonSimpleNotificationServiceClient client;
DeveloperOptions devOptions;
var parseOptionsResult = ParseDevOptions(developerOptions, out devOptions);
if (!parseOptionsResult.IsSuccess)
{
provisionResult.EndUserMessage = parseOptionsResult.EndUserMessage;
return(provisionResult);
}
var establishClientResult = EstablishClient(manifest, DeveloperOptions.Parse(developerOptions), out client);
if (!establishClientResult.IsSuccess)
{
provisionResult.EndUserMessage = establishClientResult.EndUserMessage;
return(provisionResult);
}
var response = client.CreateTopic(CreateTopicRequest(devOptions));
do
{
var verificationResponse = client.GetTopicAttributes(new GetTopicAttributesRequest()
{
TopicArn = response.TopicArn
});
// ok so the attributes works as follows:
// attributes[0] - topicarn
// attributes[1] - owner
// attributes[2] - policy
// attributes[3] - displayname
// attributes[4] - subscriptionspending
// attributes[5] - subscriptionsconfirmed
// attributes[6] - subscriptionsdeleted
// attributes[7] - deliverypolicy
// attributes[8] - effectivedeliverypolicy
if (verificationResponse.Attributes["TopicArn"].Equals(response.TopicArn))
{
var conInfo = new ConnectionInfo()
{
TopicArn = verificationResponse.Attributes["TopicArn"],
QueueName = verificationResponse.Attributes["DisplayName"]
};
provisionResult.IsSuccess = true;
provisionResult.ConnectionData = conInfo.ToString();
break;
}
Thread.Sleep(TimeSpan.FromSeconds(10d));
} while (true);
}
catch (Exception e)
{
provisionResult.EndUserMessage = e.Message;
}
return(provisionResult);
}
