SG-35712 Prevent flaky disconnection when uploading thumbnails on publish #368
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julien-lang
reviewed
Feb 11, 2025
| @@ -4330,13 +4330,13 @@ def connect(self): | |||
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| class CACertsHTTPSHandler(urllib.request.HTTPSHandler): | |||
| class CACertsHTTPSHandler(urllib.request.HTTPHandler): | |||
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Why do we need this change?
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I don't have a clear answer for this. I was a trial/error change that made sense to me according to keep consistency on naming. Also, we're using SSL with TLS.
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| attempt = 1 | ||
| while attempt <= self.MAX_ATTEMPTS: | ||
| # Perform the request | ||
| try: | ||
| opener = self._build_opener(FormPostHandler) |
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Side question: why don't we use httplib2 for those?
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I'm not sure how to answer this. This line was moved from outside the retry block, so in case it fails, the retry can start a new connection. I don't know the details of the original design.
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There's a flaky disconnection when the publisher uploads the thumbnail. The most common errors are:
They seem to be related to TLS handshakes. While testing on local machines we consistently reproduced this with the following change: Move the connection opener to the retry block and change
CACertsHTTPSHandlerparent class.