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#!/usr/bin/env python
#
# Public Domain 2014-2020 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 wiredtiger, wttest
import os, shutil
from helper import compare_files
from wtbackup import backup_base
from wtdataset import simple_key
from wtscenario import make_scenarios
# test_backup07.py
# Test cursor backup with target URIs, logging and create during backup
class test_backup07(backup_base):
dir='backup.dir' # Backup directory name
logmax="100K"
newuri="table:newtable"
pfx = 'test_backup'
scenarios = make_scenarios([
('table', dict(uri='table:test',dsize=100,nthreads=1))
])
# Create a large cache, otherwise this test runs quite slowly.
def conn_config(self):
return 'cache_size=1G,log=(archive=false,enabled,file_max=%s)' % \
self.logmax
# Run background inserts while running checkpoints repeatedly.
def test_backup07(self):
log2 = "WiredTigerLog.0000000002"
self.session.create(self.uri, "key_format=S,value_format=S")
# Insert small amounts of data at a time stopping just after we
# cross into log file 2.
while not os.path.exists(log2):
self.add_data(self.uri, 'key', 'value')
# Test a potential bug in full backups and creates.
# We allow creates during backup because the file doesn't exist
# when the backup metadata is created on cursor open and the newly
# created file is not in the cursor list.
# Open up the backup cursor, create and add data to a new table
# and then copy the files.
os.mkdir(self.dir)
bkup_c = self.session.open_cursor('backup:', None, None)
# Now create and populate the new table. Make sure the log records
# are on disk and will be copied to the backup.
self.session.create(self.newuri, "key_format=S,value_format=S")
self.add_data(self.newuri, 'key', 'value')
self.session.log_flush('sync=on')
# Now copy the files returned by the backup cursor. This should not
# include the newly created table.
while True:
ret = bkup_c.next()
if ret != 0:
break
newfile = bkup_c.get_key()
self.assertNotEqual(newfile, self.newuri)
sz = os.path.getsize(newfile)
self.pr('Copy from: ' + newfile + ' (' + str(sz) + ') to ' + self.dir)
shutil.copy(newfile, self.dir)
self.assertEqual(ret, wiredtiger.WT_NOTFOUND)
bkup_c.close()
# After the full backup, open and recover the backup database.
# Make sure we properly recover even though the log file will have
# records for the newly created table file id.
backup_conn = self.wiredtiger_open(self.dir)
backup_conn.close()
if __name__ == '__main__':
wttest.run()
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