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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, random, wtscenario, wttest
from wtdataset import TrackedSimpleDataSet, TrackedComplexDataSet
# test_tiered14.py
# Test somewhat arbitrary combinations of flush_tier, checkpoint, restarts,
# data additions and updates.
class test_tiered14(wttest.WiredTigerTestCase):
uri = "table:test_tiered14-{}" # format for subtests
auth_token = "test_token"
bucket = "mybucket"
cachedir = "mybucket-cache"
bucket_prefix = "pfx_"
extension_name = "local_store"
# FIXME-WT-8781: enable the commented scenarios and run the
# test with the --long option.
# The multiplier makes the size of keys and values progressively larger.
# A multipler of 0 makes the keys and values a single length.
multiplier = [
('0', dict(multiplier=0)),
('S', dict(multiplier=1)),
('M', dict(multiplier=10)),
#('L', dict(multiplier=100, long_only=True)),
#('XL', dict(multiplier=1000, long_only=True)),
]
keyfmt = [
('integer', dict(keyfmt='i')),
('string', dict(keyfmt='S')),
]
dataset = [
('simple', dict(dataset='simple')),
('complex', dict(dataset='complex', long_only=True)),
]
scenarios = wtscenario.make_scenarios(multiplier, keyfmt, dataset)
def conn_config(self):
if not os.path.exists(self.bucket):
os.mkdir(self.bucket)
return \
'tiered_storage=(auth_token=%s,' % self.auth_token + \
'bucket=%s,' % self.bucket + \
'bucket_prefix=%s,' % self.bucket_prefix + \
'cache_directory=%s,' % self.cachedir + \
'name=%s),tiered_manager=(wait=0)' % self.extension_name
# Load the local store extension.
def conn_extensions(self, extlist):
# Windows doesn't support dynamically loaded extension libraries.
if os.name == 'nt':
extlist.skip_if_missing = True
extlist.extension('storage_sources', self.extension_name)
def progress(self, s):
outstr = "testnum {}, position {}: {}".format(self.testnum, self.position, s)
self.verbose(3, outstr)
self.pr(outstr)
# Run a sequence of operations, indicated by a string.
# a = add some number of keys
# u = update some number of keys
# c = checkpoint
# r = reopen
# f = flush_tier
# . = check to make sure all expected values are present
#
# We require a unique test number so we get can generate a different uri from
# previous runs. A different approach is to drop the uri, but then we need to
# remove the bucket and cache, which is specific to the storage source extension.
def playback(self, testnum, ops):
self.testnum = testnum
self.position = -1
uri = self.uri.format(testnum)
self.progress('Running ops: {} using uri {}'.format(ops, uri))
if self.dataset == 'simple':
ds = TrackedSimpleDataSet(self, uri, self.multiplier,
key_format = self.keyfmt)
elif self.dataset == 'complex':
ds = TrackedComplexDataSet(self, uri, self.multiplier,
key_format = self.keyfmt)
# Populate for a tracked data set is needed to create the uri.
ds.populate()
inserted = 0
# At the end of the sequence of operations, do a final check ('.').
for op in ops + '.':
self.position += 1
try:
if op == 'f':
self.progress('flush_tier')
self.session.flush_tier(None)
elif op == 'c':
self.progress('checkpoint')
self.session.checkpoint()
elif op == 'r':
self.progress('reopen')
self.reopen_conn()
elif op == 'a':
self.progress('add')
n = random.randrange(1, 101) # 1 <= n <= 100
ds.store_range(inserted, n)
inserted += n
elif op == 'u':
self.progress('update')
# only update the elements if enough have already been added.
n = random.randrange(1, 101) # 1 <= n <= 100
if n < inserted:
pos = random.randrange(0, inserted - n)
ds.store_range(pos, n)
elif op == '.':
self.progress('check')
ds.check()
except Exception as e:
self.progress('Failed at position {} in {}: {}'.format(idx, ops, str(e)))
raise(e)
# Test tiered storage with checkpoints and flush_tier calls.
def test_tiered(self):
random.seed(0)
# Get started with a fixed sequence of basic operations.
# There's no particular reason to start with this sequence.
testnum = 0
self.playback(testnum, "aaaaacaaa.uucrauaf.aauaac.auu.aacrauafa.uruua.")
for i in range(0, 10):
testnum += 1
# Generate a sequence of 100 operations that is heavy on additions and updates.
s = ''.join(random.choices('aaaaauuuuufcr.', k=100))
self.playback(testnum, s)
for i in range(0, 10):
testnum += 1
# Generate a sequence of 100 operations that is has a greater mix of 'operational' functions.
s = ''.join(random.choices('aufcr.', k=100))
self.playback(testnum, s)
if __name__ == '__main__':
wttest.run()
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