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AWS Credentials Lock

AWS Curious?

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TBD

Threading Lock

A threading lock object in Python is used to ensure that only one thread can access a specific section of code or resource at a time, preventing race conditions.

botocore/credentials.py 

self._refresh_lock = threading.Lock()

Error

elif self.refresh_needed(self._mandatory_refresh_timeout):
    # If we're within the mandatory refresh window,
    # we must block until we get refreshed credentials.
    with self._refresh_lock:
        if not self.refresh_needed(self._mandatory_refresh_timeout):
            return
        self._protected_refresh(is_mandatory=True)

Questions?

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