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Correctly raise exceptions for ratelimitng. Ratelimit on 401

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Erik Johnston 2017-02-01 15:42:19 +00:00
parent 6d6591880e
commit df4ecff5a9
2 changed files with 6 additions and 4 deletions
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8
synapse/util/retryutils.py
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@ -129,11 +129,13 @@ class RetryDestinationLimiter(object):
# APIs may expect to never received e.g. a 404. It's important to
# handle 404 as some remote servers will return a 404 when the HS
# has been decommissioned.
# If we get a 401, then we should probably back off since they
# won't accept our requests for at least a while.
# 429 is us being aggresively rate limited, so lets rate limit
# ourselves.
if exc_val.code == 404 and self.backoff_on_404:
valid_err_code = False
elif exc_val.code == 429:
# 429 is us being aggresively rate limited, so lets rate limit
# ourselves.
elif exc_val.code in (401, 429):
valid_err_code = False
elif exc_val.code < 500:
valid_err_code = True