/usr/bin/wsrep_sst_mysqldump is in percona-xtradb-cluster-server-5.5 5.5.34-25.9+dfsg-0ubuntu4.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 | #!/bin/sh -e
# Copyright (C) 2009 Codership Oy
#
# 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; see the file COPYING. If not, write to the
# Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston
# MA 02110-1301 USA.
# This is a reference script for mysqldump-based state snapshot tansfer
. $(dirname $0)/wsrep_sst_common
EINVAL=22
local_ip()
{
PATH=$PATH:/usr/sbin:/usr/bin:/sbin:/bin
[ "$1" = "127.0.0.1" ] && return 0
[ "$1" = "localhost" ] && return 0
[ "$1" = "$(hostname -s)" ] && return 0
[ "$1" = "$(hostname -f)" ] && return 0
[ "$1" = "$(hostname -d)" ] && return 0
# Now if ip program is not found in the path, we can't return 0 since
# it would block any address. Thankfully grep should fail in this case
ip route get "$1" | grep local >/dev/null && return 0
return 1
}
if test -z "$WSREP_SST_OPT_USER"; then wsrep_log_error "USER cannot be nil"; exit $EINVAL; fi
if test -z "$WSREP_SST_OPT_HOST"; then wsrep_log_error "HOST cannot be nil"; exit $EINVAL; fi
if test -z "$WSREP_SST_OPT_PORT"; then wsrep_log_error "PORT cannot be nil"; exit $EINVAL; fi
if test -z "$WSREP_SST_OPT_LPORT"; then wsrep_log_error "LPORT cannot be nil"; exit $EINVAL; fi
if test -z "$WSREP_SST_OPT_SOCKET";then wsrep_log_error "SOCKET cannot be nil";exit $EINVAL; fi
if test -z "$WSREP_SST_OPT_GTID"; then wsrep_log_error "GTID cannot be nil"; exit $EINVAL; fi
if local_ip $WSREP_SST_OPT_HOST && \
[ "$WSREP_SST_OPT_PORT" = "$WSREP_SST_OPT_LPORT" ]
then
wsrep_log_error \
"destination address '$WSREP_SST_OPT_HOST:$WSREP_SST_OPT_PORT' matches source address."
exit $EINVAL
fi
# Check client version
if ! mysql --version | grep 'Distrib 5.5' >/dev/null
then
mysql --version >&2
wsrep_log_error "this operation requires MySQL client version 5.5.x"
exit $EINVAL
fi
AUTH="-u$WSREP_SST_OPT_USER"
if test -n "$WSREP_SST_OPT_PSWD"; then AUTH="$AUTH -p$WSREP_SST_OPT_PSWD"; fi
STOP_WSREP="SET wsrep_on=OFF;"
# NOTE: we don't use --routines here because we're dumping mysql.proc table
MYSQLDUMP="mysqldump $AUTH -S$WSREP_SST_OPT_SOCKET \
--add-drop-database --add-drop-table --skip-add-locks --create-options \
--disable-keys --extended-insert --skip-lock-tables --quick --set-charset \
--skip-comments --flush-privileges --all-databases"
# mysqldump cannot restore CSV tables, fix this issue
CSV_TABLES_FIX="
set sql_mode='';
USE mysql;
SET @str = IF (@@have_csv = 'YES', 'CREATE TABLE IF NOT EXISTS general_log (event_time TIMESTAMP NOT NULL, user_host MEDIUMTEXT NOT NULL, thread_id INTEGER NOT NULL, server_id INTEGER UNSIGNED NOT NULL, command_type VARCHAR(64) NOT NULL,argument MEDIUMTEXT NOT NULL) engine=CSV CHARACTER SET utf8 comment=\"General log\"', 'SET @dummy = 0');
PREPARE stmt FROM @str;
EXECUTE stmt;
DROP PREPARE stmt;
SET @str = IF (@@have_csv = 'YES', 'CREATE TABLE IF NOT EXISTS slow_log (start_time TIMESTAMP NOT NULL, user_host MEDIUMTEXT NOT NULL, query_time TIME NOT NULL, lock_time TIME NOT NULL, rows_sent INTEGER NOT NULL, rows_examined INTEGER NOT NULL, db VARCHAR(512) NOT NULL, last_insert_id INTEGER NOT NULL, insert_id INTEGER NOT NULL, server_id INTEGER UNSIGNED NOT NULL, sql_text MEDIUMTEXT NOT NULL) engine=CSV CHARACTER SET utf8 comment=\"Slow log\"', 'SET @dummy = 0');
PREPARE stmt FROM @str;
EXECUTE stmt;
DROP PREPARE stmt;"
SET_START_POSITION="SET GLOBAL wsrep_start_position='$WSREP_SST_OPT_GTID';"
MYSQL="mysql $AUTH -h$WSREP_SST_OPT_HOST -P$WSREP_SST_OPT_PORT "\
"--disable-reconnect --connect_timeout=10"
# need to disable logging when loading the dump
# reason is that dump contains ALTER TABLE for log tables, and
# this causes an error if logging is enabled
GENERAL_LOG_OPT=`$MYSQL --skip-column-names -e"$STOP_WSREP SELECT @@GENERAL_LOG"`
SLOW_LOG_OPT=`$MYSQL --skip-column-names -e"$STOP_WSREP SELECT @@SLOW_QUERY_LOG"`
$MYSQL -e"$STOP_WSREP SET GLOBAL GENERAL_LOG=OFF"
$MYSQL -e"$STOP_WSREP SET GLOBAL SLOW_QUERY_LOG=OFF"
# commands to restore log settings
RESTORE_GENERAL_LOG="SET GLOBAL GENERAL_LOG=$GENERAL_LOG_OPT;"
RESTORE_SLOW_QUERY_LOG="SET GLOBAL SLOW_QUERY_LOG=$SLOW_LOG_OPT;"
if [ $WSREP_SST_OPT_BYPASS -eq 0 ]
then
(echo $STOP_WSREP && $MYSQLDUMP && echo $CSV_TABLES_FIX \
&& echo $RESTORE_GENERAL_LOG && echo $RESTORE_SLOW_QUERY_LOG \
&& echo $SET_START_POSITION \
|| echo "SST failed to complete;") | $MYSQL
else
wsrep_log_info "Bypassing state dump."
echo $SET_START_POSITION | $MYSQL
fi
wsrep_cleanup_progress_file
#
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