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#!/usr/bin/env python
#
# Public Domain 2014-present MongoDB, Inc.
# Public Domain 2008-2014 WiredTiger, Inc.
#
# This is free and unencumbered software released into the public domain.
#
# Anyone is free to copy, modify, publish, use, compile, sell, or
# distribute this software, either in source code form or as a compiled
# binary, for any purpose, commercial or non-commercial, and by any
# means.
#
# In jurisdictions that recognize copyright laws, the author or authors
# of this software dedicate any and all copyright interest in the
# software to the public domain. We make this dedication for the benefit
# of the public at large and to the detriment of our heirs and
# successors. We intend this dedication to be an overt act of
# relinquishment in perpetuity of all present and future rights to this
# software under copyright law.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
import os, wiredtiger, wtscenario, wttest
from wtdataset import SimpleDataSet
# test_tiered02.py
# Test block-log-structured tree configuration options.
class test_tiered02(wttest.WiredTigerTestCase):
K = 1024
M = 1024 * K
G = 1024 * M
uri = "file:test_tiered02"
auth_token = "test_token"
bucket = "mybucket"
bucket_prefix = "pfx_"
extension_name = "local_store"
def conn_config(self):
os.makedirs(self.bucket, exist_ok=True)
return \
'tiered_storage=(auth_token={},bucket={},bucket_prefix={},name={})'.format( \
self.auth_token, self.bucket, self.bucket_prefix, self.extension_name)
# Load the local store extension, but skip the test if it is missing.
def conn_extensions(self, extlist):
extlist.skip_if_missing = True
extlist.extension('storage_sources', self.extension_name)
def confirm_flush(self, increase=True):
# TODO: tiered: flush tests disabled, as the interface
# for flushing will be changed.
return
self.flushed_objects
got = sorted(list(os.listdir(self.bucket)))
self.pr('Flushed objects: ' + str(got))
if increase:
self.assertGreater(len(got), self.flushed_objects)
else:
self.assertEqual(len(got), self.flushed_objects)
self.flushed_objects = len(got)
# Test tiered storage with the old prototype way of signaling flushing to the shared
# tier via checkpoints. When flush_tier is working, the checkpoint calls can be
# replaced with flush_tier.
def test_tiered(self):
self.flushed_objects = 0
args = 'key_format=S,block_allocation=log-structured'
self.verbose(3, 'Test log-structured allocation with config: ' + args)
ds = SimpleDataSet(self, self.uri, 10, config=args)
ds.populate()
ds.check()
self.session.checkpoint()
# For some reason, every checkpoint does not cause a flush.
# As we're about to move to a new model of flushing, we're not going to chase this error.
#self.confirm_flush()
ds = SimpleDataSet(self, self.uri, 50, config=args)
ds.populate()
ds.check()
self.session.checkpoint()
self.confirm_flush()
ds = SimpleDataSet(self, self.uri, 100, config=args)
ds.populate()
ds.check()
self.session.checkpoint()
self.confirm_flush()
ds = SimpleDataSet(self, self.uri, 200, config=args)
ds.populate()
ds.check()
self.close_conn()
self.confirm_flush() # closing the connection does a checkpoint
self.reopen_conn()
# Check what was there before
ds = SimpleDataSet(self, self.uri, 200, config=args)
ds.check()
# Now add some more.
ds = SimpleDataSet(self, self.uri, 300, config=args)
ds.populate()
ds.check()
# We haven't done a checkpoint/flush so there should be
# nothing extra on the shared tier.
self.confirm_flush(increase=False)
if __name__ == '__main__':
wttest.run()
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