/usr/bin/mysqldiff is in mysql-utilities 1.3.5-2.
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#
# Copyright (c) 2011, 2013, 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
"""
This file contains the object diff utility which allows users to compare the
definitions of two objects and return the difference (like diff).
"""
from mysql.utilities.common.tools import check_python_version
# Check Python version compatibility
check_python_version()
import os
import re
import sys
from mysql.utilities.command.diff import object_diff, database_diff
from mysql.utilities.common.messages import PARSE_ERR_DB_OBJ_MISSING
from mysql.utilities.common.messages import PARSE_ERR_DB_OBJ_MISSING_MSG
from mysql.utilities.common.messages import PARSE_ERR_DB_OBJ_PAIR
from mysql.utilities.common.messages import PARSE_ERR_DB_OBJ_PAIR_EXT
from mysql.utilities.common.ip_parser import parse_connection
from mysql.utilities.common.options import add_difftype
from mysql.utilities.common.options import add_verbosity, check_verbosity
from mysql.utilities.common.options import add_changes_for, add_reverse
from mysql.utilities.common.options import setup_common_options
from mysql.utilities.common.pattern_matching import REGEXP_QUALIFIED_OBJ_NAME
from mysql.utilities.common.tools import check_connector_python
from mysql.utilities.exception import FormatError
from mysql.utilities.exception import UtilError
# Constants
NAME = "MySQL Utilities - mysqldiff "
DESCRIPTION = "mysqldiff - compare object definitions among objects" + \
" where the difference is how db1.obj1 differs from db2.obj2"
USAGE = "%prog --server1=user:pass@host:port:socket " + \
"--server2=user:pass@host:port:socket db1.object1:db2.object1 db3:db4"
PRINT_WIDTH = 75
# Check for connector/python
if not check_connector_python():
sys.exit(1)
# Setup the command parser
parser = setup_common_options(os.path.basename(sys.argv[0]),
DESCRIPTION, USAGE, False, False)
# 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>]"
" or <login-path>[:<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>]"
" or <login-path>[:<port>][:<socket>].")
# Add display width option
parser.add_option("--width", action="store", dest="width",
type="int", help="display width",
default=PRINT_WIDTH)
# Force mode
parser.add_option("--force", action="store_true", dest="force",
help="do not abort when a diff test fails")
# Skip check of table options.
parser.add_option("--skip-table-options", action="store_true",
dest="skip_tbl_opts",
help="skip check of all table options (e.g., "
"AUTO_INCREMENT, ENGINE, CHARSET, etc.).")
# Add verbosity and quiet (silent) mode
add_verbosity(parser, True)
# Add difftype option with SQL option
add_difftype(parser, True)
# Add the direction (changes-for)
add_changes_for(parser, None)
# Add show reverse option
add_reverse(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)
# Set options for database operations.
options = {
"quiet" : opt.quiet,
"verbosity" : opt.verbosity,
"difftype" : opt.difftype,
"force" : opt.force,
"width" : opt.width,
"changes-for" : opt.changes_for,
"reverse" : opt.reverse,
"skip_table_opts" : opt.skip_tbl_opts,
}
# Parse server connection values
try:
server1_values = parse_connection(opt.server1, None, options)
except FormatError:
_, err, _ = sys.exc_info()
parser.error("Server1 connection values invalid: %s." % err)
except UtilError:
_, err, _ = sys.exc_info()
parser.error("Server1 connection values invalid: %s." % err.errmsg)
if opt.server2 is not None:
try:
server2_values = parse_connection(opt.server2, None, options)
except FormatError:
_, err, _ = sys.exc_info()
parser.error("Server2 connection values invalid: %s." % err)
except UtilError:
_, err, _ = sys.exc_info()
parser.error("Server2 connection values invalid: %s." % err.errmsg)
else:
server2_values = None
# Check for arguments
if len(args) == 0:
parser.error("No objects specified to compare.")
# run the diff
diff_failed = False
arg_regexp = re.compile('{0}(?:\:){0}'.format(REGEXP_QUALIFIED_OBJ_NAME))
for argument in args:
m_obj = arg_regexp.match(argument)
if not m_obj:
parser.error(PARSE_ERR_DB_OBJ_PAIR.format(db_obj_pair=argument,
db1_label='db1',
obj1_label='object1',
db2_label='db2',
obj2_label='object2'))
db1, obj1, db2, obj2 = m_obj.groups()
# Verify if the size of the objects matched by the REGEX is equal to the
# initial specified string. In general, this identifies the missing use
# of backticks.
matched_size = len(db1)
if obj1:
# add 1 for the separator '.'
matched_size = matched_size + 1
matched_size = matched_size + len(obj1)
# add 1 for the separator ':'
matched_size = matched_size + 1
matched_size = matched_size + len(db2)
if obj2:
# add 1 for the separator '.'
matched_size = matched_size + 1
matched_size = matched_size + len(obj2)
if matched_size != len(argument):
parser.error(PARSE_ERR_DB_OBJ_PAIR_EXT.format(db_obj_pair=argument,
db1_label='db1',
obj1_label='object1',
db2_label='db2',
obj2_label='object2',
db1_value=db1,
obj1_value=obj1,
db2_value=db2,
obj2_value=obj2))
if (obj1 and not obj2) or (not obj1 and obj2):
if obj1:
detail = PARSE_ERR_DB_OBJ_MISSING.format(db_no_obj_label='db2',
db_no_obj_value=db2,
only_obj_value=obj1,
db_obj_label='db1',
db_obj_value=db1)
else:
detail = PARSE_ERR_DB_OBJ_MISSING.format(db_no_obj_label='db1',
db_no_obj_value=db1,
only_obj_value=obj2,
db_obj_label='db2',
db_obj_value=db2)
parser.error(PARSE_ERR_DB_OBJ_MISSING_MSG.format(detail=detail,
db1_label='db1',
obj1_label='object1',
db2_label='db2',
obj2_label='object2'))
# We have db1.obj:db2.obj
if obj1:
try:
diff = object_diff(server1_values, server2_values,
"%s.%s" % (db1, obj1),
"%s.%s" % (db2, obj2), options)
except UtilError:
_, e, _ = sys.exc_info()
print("ERROR: %s" % e.errmsg)
sys.exit(1)
if diff is not None:
diff_failed = True
# We have db1:db2
else:
try:
res = database_diff(server1_values, server2_values,
db1, db2, options)
except UtilError:
_, e, _ = sys.exc_info()
print("ERROR: %s" % e.errmsg)
sys.exit(1)
if not res:
diff_failed = True
if diff_failed:
if not opt.quiet:
print("Compare failed. One or more differences found.")
sys.exit(1)
if not opt.quiet:
print("Success. All objects are the same.")
sys.exit()
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