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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, time, wiredtiger, wttest
from wiredtiger import stat
StorageSource = wiredtiger.StorageSource # easy access to constants
# test_tiered10.py
# Test tiered storage with simultaneous connections using different
# prefixes to the same bucket directory but different local databases.
class test_tiered10(wttest.WiredTigerTestCase):
# If the 'uri' changes all the other names must change with it.
base = 'test_tiered10-000000000'
fileuri_base = 'file:' + base
obj1file = base + '1.wtobj'
objuri = 'object:' + base + '1.wtobj'
tiereduri = "tiered:test_tiered10"
uri = "table:test_tiered10"
auth_token = "test_token"
bucket = "mybucket"
bucket1 = "../" + bucket
bucket2 = "../" + bucket
conn1_dir = "first_dir"
conn2_dir = "second_dir"
extension_name = "local_store"
prefix1 = "1_"
prefix2 = "2_"
retention = 1
saved_conn = ''
def conn_config(self):
os.mkdir(self.bucket)
os.mkdir(self.conn1_dir)
os.mkdir(self.conn2_dir)
# Use this to create the directories and set up for the others.
dummy_conn = 'create,statistics=(all),'
self.saved_conn = \
'create,statistics=(all),' + \
'tiered_storage=(auth_token=%s,' % self.auth_token + \
'bucket=../%s,' % self.bucket + \
'local_retention=%d,' % self.retention + \
'name=%s),' % self.extension_name
return dummy_conn
# 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 check(self, tc, base, n):
for i in range(base, n):
self.assertEqual(tc[str(i)], str(i))
tc.set_key(str(n))
self.assertEquals(tc.search(), wiredtiger.WT_NOTFOUND)
# Test calling the flush_tier API.
def test_tiered(self):
# Have two connections running in different directories, but sharing
# the same bucket directory with different prefixes. Each database
# creates an identically named table with different data. Each then
# does a flush tier testing that both databases can coexist in the
# same bucket without conflict.
#
# Then reopen the connections and make sure we can read data correctly.
#
# We open two connections manually so that they both have the same relative
# pathnames. The standard connection is just a dummy for this test.
ext = self.extensionsConfig()
conn1_params = self.saved_conn + ext + ',tiered_storage=(bucket_prefix=%s)' % self.prefix1
conn1 = self.wiredtiger_open(self.conn1_dir, conn1_params)
session1 = conn1.open_session()
conn2_params = self.saved_conn + ext + ',tiered_storage=(bucket_prefix=%s)' % self.prefix2
conn2 = self.wiredtiger_open(self.conn2_dir, conn2_params)
session2 = conn2.open_session()
session1.create(self.uri, 'key_format=S,value_format=S,')
session2.create(self.uri, 'key_format=S,value_format=S,')
# Add first data. Checkpoint, flush and close the connection.
c1 = session1.open_cursor(self.uri)
c2 = session2.open_cursor(self.uri)
c1["0"] = "0"
c2["20"] = "20"
self.check(c1, 0, 1)
self.check(c2, 20, 1)
c1.close()
c2.close()
session1.checkpoint()
session1.flush_tier(None)
session2.checkpoint()
session2.flush_tier(None)
conn1_obj1 = os.path.join(self.bucket, self.prefix1 + self.obj1file)
conn2_obj1 = os.path.join(self.bucket, self.prefix2 + self.obj1file)
self.assertTrue(os.path.exists(conn1_obj1))
self.assertTrue(os.path.exists(conn2_obj1))
conn1.close()
conn2.close()
# Remove the local copies of the objects before we reopen so that we force
# the system to read from the bucket or bucket cache.
local = self.conn1_dir + '/' + self.obj1file
os.remove(local)
local = self.conn2_dir + '/' + self.obj1file
os.remove(local)
conn1 = self.wiredtiger_open(self.conn1_dir, conn1_params)
session1 = conn1.open_session()
conn2 = self.wiredtiger_open(self.conn2_dir, conn2_params)
session2 = conn2.open_session()
c1 = session1.open_cursor(self.uri)
c2 = session2.open_cursor(self.uri)
self.check(c1, 0, 1)
self.check(c2, 20, 1)
c1.close()
c2.close()
if __name__ == '__main__':
wttest.run()
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