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Detect empty cache files in openstack inventory

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There are cases where it makes more sense to zero out a cache file as a
form of invalidation instead of removing it. Detect those approrpriately
This commit is contained in:
Monty Taylor
2016-03-09 11:54:30 -06:00
parent a52a561217
commit 82c150b72f
1 changed files with 1 additions and 1 deletions
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contrib/inventory/openstack.py
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@@ -159,7 +159,7 @@ def is_cache_stale(cache_file, cache_expiration_time, refresh=False):
''' Determines if cache file has expired, or if it is still valid '''
if refresh:
return True
if os.path.isfile(cache_file):
if os.path.isfile(cache_file) and os.path.getsize(cache_file) > 0:
mod_time = os.path.getmtime(cache_file)
current_time = time.time()
if (mod_time + cache_expiration_time) > current_time: