89d3fb9922
Add retry to race condition in intermediate image generation. Remove DB index from cache file size field. Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>
28 lines
754 B
Python
28 lines
754 B
Python
from __future__ import absolute_import, unicode_literals
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import time
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import random
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from .exceptions import LockError
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def retry_on_lock_error(retries):
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def decorator(function):
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def wrapper():
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retry_count = 0
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while True:
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try:
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return function()
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except LockError:
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if retry_count == retries:
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raise
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else:
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retry_count = retry_count + 1
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timeout = 2 ** retry_count
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time.sleep(timeout)
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# Add random jitter
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time.sleep(random.uniform(0.0, 1.0))
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return wrapper
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return decorator
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