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lc: Give more flexibility for LC expiration times

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Earlier values expected a lc debug interval of 2s, which is a pretty
short time window and can often lead to failures if the processing
didn't complete within the next day. This commit assumes the currently
configured LC debug interval of 10s, and gives time intervals using the
following logic:

Worst case:
LC start-time : 00:00
obj upload    : 00:01
LC run1       : 00:10 -> object not expired as it is only 9s old
LC run2       : 00:20 -> object will expire in this run, however we
can't exactly guess when this run will complete, for a moderate amount
of objects this can take anywhere between 1 to a max of 10s, let us give
it a wiggle room to complete around 8s, given the amount of objects in a
teuthology run, it should be mostly probable that the object is already
deleted within this time, so at 28s, we should have seen day1 objects being
expired.

Best case:
LC start-time: 00:00
obj upload : 00:09
LC run1 : 00:10
LC run2 : 00:20 -> obj expires, so elapsed time is around 11->19s (of
course it would almost close to 10s too), We should probably configure
the LC lock time to 10s as well just so as to ensure that the lock isn't
held for the default 60s in which case it is possible that the object
might expire in a time greater than the lock interval.

Signed-off-by: Abhishek Lekshmanan <abhishek@suse.com>
This commit is contained in:
Abhishek Lekshmanan 2017-09-07 11:50:00 +02:00
parent 425d209989
commit 9204283def
1 changed files with 5 additions and 5 deletions
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10
s3tests/functional/test_s3.py
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@ -7581,20 +7581,20 @@ def test_lifecycle_get_no_id():
@attr('lifecycle_expiration') @attr('lifecycle_expiration')
@attr('fails_on_aws') @attr('fails_on_aws')
def test_lifecycle_expiration(): def test_lifecycle_expiration():
bucket = set_lifecycle(rules=[{'id': 'rule1', 'days': 2, 'prefix': 'expire1/', 'status': 'Enabled'}, bucket = set_lifecycle(rules=[{'id': 'rule1', 'days': 1, 'prefix': 'expire1/', 'status': 'Enabled'},
{'id':'rule2', 'days': 6, 'prefix': 'expire3/', 'status': 'Enabled'}]) {'id':'rule2', 'days': 4, 'prefix': 'expire3/', 'status': 'Enabled'}])
_create_keys(bucket=bucket, keys=['expire1/foo', 'expire1/bar', 'keep2/foo', _create_keys(bucket=bucket, keys=['expire1/foo', 'expire1/bar', 'keep2/foo',
'keep2/bar', 'expire3/foo', 'expire3/bar']) 'keep2/bar', 'expire3/foo', 'expire3/bar'])
# Get list of all keys # Get list of all keys
init_keys = bucket.get_all_keys() init_keys = bucket.get_all_keys()
# Wait for first expiration (plus fudge to handle the timer window) # Wait for first expiration (plus fudge to handle the timer window)
time.sleep(6) time.sleep(28)
expire1_keys = bucket.get_all_keys() expire1_keys = bucket.get_all_keys()
# Wait for next expiration cycle # Wait for next expiration cycle
time.sleep(2) time.sleep(10)
keep2_keys = bucket.get_all_keys() keep2_keys = bucket.get_all_keys()
# Wait for final expiration cycle # Wait for final expiration cycle
time.sleep(8) time.sleep(20)
expire3_keys = bucket.get_all_keys() expire3_keys = bucket.get_all_keys()
eq(len(init_keys), 6) eq(len(init_keys), 6)