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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_backup12.py
# Test cursor backup with a block-based incremental cursor.
class test_backup12(backup_base):
conn_config='cache_size=1G,log=(enabled,file_max=100K)'
dir='backup.dir' # Backup directory name
logmax="100K"
uri="table:test"
uri2="table:test2"
uri_rem="table:test_rem"
pfx = 'test_backup'
# Set the key and value big enough that we modify a few blocks.
bigkey = 'Key' * 100
bigval = 'Value' * 100
nops = 1000
def test_backup12(self):
self.session.create(self.uri, "key_format=S,value_format=S")
self.session.create(self.uri2, "key_format=S,value_format=S")
self.session.create(self.uri_rem, "key_format=S,value_format=S")
self.add_data(self.uri, self.bigkey, self.bigval, True)
self.add_data(self.uri2, self.bigkey, self.bigval, True)
self.add_data(self.uri_rem, self.bigkey, self.bigval, True)
os.mkdir(self.dir)
#
# Open up the backup cursor. This causes a new log file to be created.
# That log file is not part of the list returned. This is a full backup
# primary cursor with incremental configured.
# Note: this first backup is actually done before a checkpoint is taken.
#
config = 'incremental=(enabled,granularity=1M,this_id="ID1")'
bkup_c = self.session.open_cursor('backup:', None, config)
# Add more data while the backup cursor is open.
self.add_data(self.uri, self.bigkey, self.bigval, True)
# Now make a full backup.
all_files = self.take_full_backup(self.dir, bkup_c)
# Now open a duplicate backup cursor.
# We *can* use a log target duplicate on an incremental primary backup so that
# a backup process can get all the log files that occur while that primary cursor
# is open.
dup_logs = self.take_log_backup(bkup_c, self.dir, all_files)
all_files += dup_logs
bkup_c.close()
# Add more data.
self.add_data(self.uri, self.bigkey, self.bigval, True)
self.add_data(self.uri2, self.bigkey, self.bigval, True)
# Drop a table.
self.session.drop(self.uri_rem)
# Now do an incremental backup with id 2.
(bkup_files, _) = self.take_incr_backup(self.dir, 2)
all_files += bkup_files
# We need to remove files in the backup directory that are not in the current backup.
all_set = set(all_files)
bkup_set = set(bkup_files)
rem_files = list(all_set - bkup_set)
for l in rem_files:
self.pr('Remove file: ' + self.dir + '/' + l)
os.remove(self.dir + '/' + l)
# After the full backup, open and recover the backup database.
backup_conn = self.wiredtiger_open(self.dir)
backup_conn.close()
if __name__ == '__main__':
wttest.run()
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