SNS test and add deduplication for FIFO topic #8145
Merged
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This is building on top of #8144 and #8146, and adds test and implement the deduplication for FIFO topics. Right now, we are just properly using the SQS deduplication features, but SNS one is a bit different regarding the
MessageGroupId
, see https://docs.aws.amazon.com/sns/latest/dg/fifo-message-dedup.html, the deduplication is at the topic level.We are also not storing the deduplication ID yet, so we cannot return the proper
MessageId
andSequenceNumber
from the publishing call, which we should do.