User purge: Wrap user purge in a Pegasus transaction #24381
Merged
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I was using a dashboard transaction before but realized pegasus uses a separate db connection so the dashboard transaction wouldn't apply to pegasus db changes made during user purge. We now wrap the purge operations in both transactions.
I've written a test that does some minimal validation that the transactions are behaving as expected. I'm open to suggestions on better validation of this behavior, and it's still known that we do some things during user purge that we can't roll back (like deleting S3 content).