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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.
#
# test_import05.py
# Error conditions when trying to import files with timestamps past the configured global timestamp.
import os, shutil
import wiredtiger
from wtscenario import make_scenarios
from test_import01 import test_import_base
class test_import05(test_import_base):
conn_config = 'cache_size=50MB,log=(enabled)'
session_config = 'isolation=snapshot'
ntables = 10
nrows = 100
keys = [b'1', b'2', b'3', b'4', b'5', b'6']
values = [b'\x01\x02aaa\x03\x04', b'\x01\x02bbb\x03\x04', b'\x01\x02ccc\x03\x04',
b'\x01\x02ddd\x03\x04', b'\x01\x02eee\x03\x04', b'\x01\x02fff\x03\x04']
ts = [10*k for k in range(1, len(keys)+1)]
optypes = [
('insert', dict(op_type='insert')),
('delete', dict(op_type='delete')),
]
import_types = [
('file_metadata', dict(repair=False)),
('repair', dict(repair=True)),
]
compare_timestamps = [
('oldest', dict(global_ts='oldest')),
('stable', dict(global_ts='stable')),
]
scenarios = make_scenarios(optypes, import_types, compare_timestamps)
def test_file_import_ts_past_global_ts(self):
original_db_file = 'original_db_file'
uri = 'file:' + original_db_file
create_config = 'allocation_size=512,key_format=u,log=(enabled=true),value_format=u'
self.session.create(uri, create_config)
# Add data and perform a checkpoint.
# We're inserting everything EXCEPT the last record.
for i in range(0, len(self.keys) - 1):
self.update(uri, self.keys[i], self.values[i], self.ts[i])
self.session.checkpoint()
# Place the last insert/delete.
# We also want to check that a stop timestamp later than oldest will prevent imports. In the
# delete case, we should use the last timestamp in our data set and use it delete the first
# key we inserted.
if self.op_type == 'insert':
self.update(uri, self.keys[-1], self.values[-1], self.ts[-1])
else:
self.assertEqual(self.op_type, 'delete')
self.delete(uri, self.keys[0], self.ts[-1])
# Perform a checkpoint.
self.session.checkpoint()
# Export the metadata for the table.
c = self.session.open_cursor('metadata:', None, None)
original_db_file_config = c[uri]
c.close()
self.printVerbose(3, '\nFile configuration:\n' + original_db_file_config)
# Close the connection.
self.close_conn()
# Create a new database and connect to it.
newdir = 'IMPORT_DB'
shutil.rmtree(newdir, ignore_errors=True)
os.mkdir(newdir)
self.conn = self.setUpConnectionOpen(newdir)
self.session = self.setUpSessionOpen(self.conn)
# Copy over the datafiles for the object we want to import.
self.copy_file(original_db_file, '.', newdir)
# Contruct the config string.
if self.repair:
if self.global_ts == 'stable':
import_config = 'import=(enabled,repair=true,compare_timestamp=stable)'
else:
import_config = 'import=(enabled,repair=true)'
else:
if self.global_ts == 'stable':
import_config = 'import=(enabled,repair=false,compare_timestamp=stable,file_metadata=(' + \
original_db_file_config + '))'
else:
import_config = 'import=(enabled,repair=false,file_metadata=(' + \
original_db_file_config + '))'
# Create error pattern. Depending on the situation, we substitute a different timestamp into
# error message to check against.
error_pattern = \
'import found aggregated {} timestamp newer than the current'
# Now begin trying to import the file.
#
# Since we haven't set oldest (and it defaults to 0), we're expecting an error here as the
# table has timestamps past 0.
#
# Start timestamps get checked first so that's the error msg we expect.
error_msg = error_pattern.format('newest start durable')
with self.expectedStderrPattern(error_msg):
self.assertRaisesException(wiredtiger.WiredTigerError,
lambda: self.session.create(uri, import_config))
# Place the oldest timestamp just BEFORE the last insert/delete we made.
#
# The table we're importing had an operation past this point so we're still expecting an
# error.
if self.global_ts == 'stable':
self.conn.set_timestamp('stable_timestamp=' + self.timestamp_str(self.ts[-1] - 1))
else:
self.conn.set_timestamp('oldest_timestamp=' + self.timestamp_str(self.ts[-1] - 1))
# If our latest operation was an insert, we're expecting it to complain about the aggregated
# start timestamp whereas if we did a delete, we should expect it to complain about stop.
error_msg = error_pattern.format(
'newest start durable' if self.op_type == 'insert' else 'newest stop durable')
with self.expectedStderrPattern(error_msg):
self.assertRaisesException(wiredtiger.WiredTigerError,
lambda: self.session.create(uri, import_config))
# Now place global timestamp equal to the last insert/delete we made. This should succeed
# since all of our aggregated timestamps are now equal to or behind the global timestamp.
if self.global_ts == 'stable':
self.conn.set_timestamp('stable_timestamp=' + self.timestamp_str(self.ts[-1]))
else:
self.conn.set_timestamp('oldest_timestamp=' + self.timestamp_str(self.ts[-1]))
self.session.create(uri, import_config)
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