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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.
from suite_subprocess import suite_subprocess
import os
import shutil
import wiredtiger, wttest
# test_backup.py
# Test error message if verifying metadata on a backup restore.
class test_backup23(wttest.WiredTigerTestCase, suite_subprocess):
'''Test backup, verifying metadata and an error opening the backup'''
#conn_config = 'config_base=false,log=(enabled,remove=false),verbose=(recovery,log)'
conn_config = 'config_base=false,log=(enabled,remove=false)'
conn_config_err = 'config_base=false,log=(enabled,remove=false),verify_metadata=true'
#conn_config_err = 'config_base=false,log=(enabled,remove=false),verify_metadata=true,verbose=(recovery,log)'
dir='backup.dir'
nentries = 10
uri = 'file:backup.wt'
def take_full_backup(self, dir):
# Open up the backup cursor, and copy the files. Do a full backup.
cursor = self.session.open_cursor('backup:', None, None)
self.pr('Full backup to ' + dir + ': ')
os.mkdir(dir)
while True:
ret = cursor.next()
if ret != 0:
break
bkup_file = cursor.get_key()
sz = os.path.getsize(bkup_file)
self.pr('Copy from: ' + bkup_file + ' (' + str(sz) + ') to ' + dir)
shutil.copy(bkup_file, dir)
self.assertEqual(ret, wiredtiger.WT_NOTFOUND)
cursor.close()
def test_backup23(self):
'''Test backup, verifying metadata and an error opening the backup'''
self.session.create(self.uri, 'key_format=i,value_format=i')
c = self.session.open_cursor(self.uri)
self.session.begin_transaction()
for i in range(self.nentries):
c[i] = i
self.session.commit_transaction()
self.session.checkpoint()
# Add more entries after the check point. They should be recovered.
self.session.begin_transaction()
for i in range(self.nentries):
c[i + self.nentries] = i
self.session.commit_transaction()
c.close()
orig_data = list(self.session.open_cursor(self.uri))
# Take a full backup.
self.take_full_backup(self.dir)
self.close_conn()
msg = '/restoring a backup is incompatible/'
self.assertRaisesWithMessage(wiredtiger.WiredTigerError,
lambda: self.wiredtiger_open(self.dir, self.conn_config_err), msg)
self.pr('try opening error directory with correct config')
# After getting the error we should be able to open the error backup directory with the
# correct setting and then also see our data.
self.conn = self.wiredtiger_open(self.dir, self.conn_config)
session = self.conn.open_session()
bkup_data = list(session.open_cursor(self.uri))
self.assertEqual(orig_data, bkup_data)
if __name__ == '__main__':
wttest.run()
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