(sns): Allow delivery retry policy configuration of HTTPS subscription on SNS topic

[kunalshah]

Description

While creating HTTPS Subscription on SNS topic, there's no way to configure the retry policy.

Use Case

I am creating SNS topic and HTTPS subscription using CDK and want to provide custom delivery retry policy.

Proposed Solution

Update UrlSubscriptionProps interface to provide deliveryRetryPolicy as well.

Other information

No response

Acknowledge

• I may be able to implement this feature request
• This feature might incur a breaking change

[njlynch]

Thanks for the feature request.

While you're waiting for the feature, you can use escape hatches to set the underlying Cloudformation properties. (In this case, it looks like the Subscription DeliveryPolicy).

Relevant docs on the feature for reference: https://docs.aws.amazon.com/sns/latest/dg/sns-message-delivery-retries.html#creating-delivery-policy

[fertrevino]

I just came across this use case, it would be neat it implemented

[dannellyz]

Also working this for being able to set the HTTP/S Content Header type via the topic CDK creation for those that have subscribers of multiple types. Thanks!

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