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#!/usr/bin/env python
#
# Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
"""
This file contains the operations to perform database consistency checking
on two databases.
"""
import optparse
import os
import sys
from mysql.utilities import VERSION_FRM
from mysql.utilities.command.dbcompare import database_compare
from mysql.utilities.common.options import parse_connection, add_difftype
from mysql.utilities.common.options import add_verbosity, check_verbosity
from mysql.utilities.common.options import check_format_option
from mysql.utilities.exception import UtilError, FormatError
# Constants
NAME = "MySQL Utilities - mysqldbcompare "
VERSION = "1.0.0 alpha"
DESCRIPTION = "mysqldbcompare - compare databases for consistency"
USAGE = "%prog --server1=user:pass@host:port:socket " + \
"--server2=user:pass@host:port:socket db1:db2"
PRINT_WIDTH = 75
# Setup the command parser
parser = optparse.OptionParser(
version=VERSION_FRM.format(program=os.path.basename(sys.argv[0])),
description=DESCRIPTION,
usage=USAGE,
add_help_option=False)
parser.add_option("--help", action="help")
# Connection information for the source server
parser.add_option("--server1", action="store", dest="server1",
type="string", default="root@localhost:3306",
help="connection information for first server in " + \
"the form: <user>:<password>@<host>:<port>:<socket>")
# Connection information for the destination server
parser.add_option("--server2", action="store", dest="server2",
type="string", default=None,
help="connection information for second server in " + \
"the form: <user>:<password>@<host>:<port>:<socket>")
# Output format
parser.add_option("-f", "--format", action="store", dest="format",
help="display the output in either GRID (default), "
"TAB, CSV, or VERTICAL format", default="GRID")
# Add skips
parser.add_option("--skip-object-compare", action="store_true",
dest="no_object_check",
help="skip object comparison step")
parser.add_option("--skip-row-count", action="store_true",
dest="no_row_count",
help="skip row count step")
parser.add_option("--skip-diff", action="store_true",
dest="no_diff",
help="skip the object diff step")
parser.add_option("--skip-data-check", action="store_true",
dest="no_data",
help="skip data consistency check")
# Add display width option
parser.add_option("--width", action="store", dest="width",
type = "int", help="display width",
default=PRINT_WIDTH)
# run-all-tests mode
parser.add_option("-a", "--run-all-tests", action="store_true",
dest="run_all_tests",
help="do not abort when a diff test fails")
# turn off binlog mode
parser.add_option("--disable-binary-logging", action="store_true",
default="False", dest="toggle_binlog",
help="Turn binary logging off during operation if enabled "
"(SQL_LOG_BIN=1). Note: may require SUPER privilege. "
"Prevents compare operations from being written to the "
"binary log.")
# Add verbosity and quiet (silent) mode
add_verbosity(parser, True)
# Add difftype option
add_difftype(parser)
# Now we process the rest of the arguments.
opt, args = parser.parse_args()
# Warn if quiet and verbosity are both specified
check_verbosity(opt)
# Fail if format specified is invalid
try:
opt.format = check_format_option(opt.format).upper()
except UtilError, e:
parser.error(e.errmsg)
# Set options for database operations.
options = {
"quiet" : opt.quiet,
"verbosity" : opt.verbosity,
"difftype" : opt.difftype,
"run_all_tests" : opt.run_all_tests,
"width" : opt.width,
"no_object_check" : opt.no_object_check,
"no_diff" : opt.no_diff,
"no_row_count" : opt.no_row_count,
"no_data" : opt.no_data,
"format" : opt.format,
"toggle_binlog" : opt.toggle_binlog,
}
# Parse server connection values
server2_values = None
try:
server1_values = parse_connection(opt.server1)
if opt.server2 is not None:
server2_values = parse_connection(opt.server2)
except FormatError as details:
parser.error(details)
# Operations to perform:
# 1) databases exist
# 2) check object counts
# 3) check object differences
# 4) check row counts among the tables
# 5) check table data consistency
res = True
check_failed = False
for db in args:
parts = db.split(":")
if len(parts) == 1:
parts.append(parts[0])
elif len(parts) != 2:
parser.error("Invalid format for database compare argument. "
"Format should be: db1:db2 or db.")
try:
res = database_compare(server1_values, server2_values,
parts[0], parts[1], options)
print
except UtilError, e:
print "ERROR:", e.errmsg
check_failed = True
if not opt.run_all_tests:
break
if not res:
check_failed = True
if check_failed and not opt.run_all_tests:
break
if not opt.quiet:
print
if check_failed:
print "Database consistency check failed."
else:
sys.stdout.write("Databases are consistent")
if opt.no_object_check or opt.no_diff or \
opt.no_row_count or opt.no_data:
sys.stdout.write(" given skip options specified")
print "."
print "\n# ...done"
if check_failed:
exit(1)
exit()
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