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https://github.com/MariaDB/server.git
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121 lines
4.9 KiB
Bash
121 lines
4.9 KiB
Bash
#!/bin/sh -e
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# Copyright (C) 2009 Codership Oy
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; see the file COPYING. If not, write to the
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# Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston
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# MA 02110-1301 USA.
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# This is a reference script for mysqldump-based state snapshot tansfer
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. $(dirname $0)/wsrep_sst_common
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EINVAL=22
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local_ip()
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{
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PATH=$PATH:/usr/sbin:/usr/bin:/sbin:/bin
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[ "$1" = "127.0.0.1" ] && return 0
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[ "$1" = "localhost" ] && return 0
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[ "$1" = "$(hostname -s)" ] && return 0
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[ "$1" = "$(hostname -f)" ] && return 0
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[ "$1" = "$(hostname -d)" ] && return 0
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# Now if ip program is not found in the path, we can't return 0 since
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# it would block any address. Thankfully grep should fail in this case
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ip route get "$1" | grep local >/dev/null && return 0
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return 1
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}
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if test -z "$WSREP_SST_OPT_USER"; then wsrep_log_error "USER cannot be nil"; exit $EINVAL; fi
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if test -z "$WSREP_SST_OPT_HOST"; then wsrep_log_error "HOST cannot be nil"; exit $EINVAL; fi
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if test -z "$WSREP_SST_OPT_PORT"; then wsrep_log_error "PORT cannot be nil"; exit $EINVAL; fi
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if test -z "$WSREP_SST_OPT_LPORT"; then wsrep_log_error "LPORT cannot be nil"; exit $EINVAL; fi
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if test -z "$WSREP_SST_OPT_SOCKET";then wsrep_log_error "SOCKET cannot be nil";exit $EINVAL; fi
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if test -z "$WSREP_SST_OPT_GTID"; then wsrep_log_error "GTID cannot be nil"; exit $EINVAL; fi
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if local_ip $WSREP_SST_OPT_HOST && \
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[ "$WSREP_SST_OPT_PORT" = "$WSREP_SST_OPT_LPORT" ]
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then
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wsrep_log_error \
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"destination address '$WSREP_SST_OPT_HOST:$WSREP_SST_OPT_PORT' matches source address."
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exit $EINVAL
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fi
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# Check client version
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if ! mysql --version | grep 'Distrib 5.5' >/dev/null
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then
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mysql --version >&2
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wsrep_log_error "this operation requires MySQL client version 5.5.x"
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exit $EINVAL
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fi
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AUTH="-u$WSREP_SST_OPT_USER"
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if test -n "$WSREP_SST_OPT_PSWD"; then AUTH="$AUTH -p$WSREP_SST_OPT_PSWD"; fi
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STOP_WSREP="SET wsrep_on=OFF;"
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# NOTE: we don't use --routines here because we're dumping mysql.proc table
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MYSQLDUMP="mysqldump $AUTH -S$WSREP_SST_OPT_SOCKET \
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--add-drop-database --add-drop-table --skip-add-locks --create-options \
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--disable-keys --extended-insert --skip-lock-tables --quick --set-charset \
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--skip-comments --flush-privileges --all-databases"
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# mysqldump cannot restore CSV tables, fix this issue
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CSV_TABLES_FIX="
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set sql_mode='';
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USE mysql;
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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');
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PREPARE stmt FROM @str;
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EXECUTE stmt;
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DROP PREPARE stmt;
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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');
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PREPARE stmt FROM @str;
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EXECUTE stmt;
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DROP PREPARE stmt;"
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SET_START_POSITION="SET GLOBAL wsrep_start_position='$WSREP_SST_OPT_GTID';"
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MYSQL="mysql $AUTH -h$WSREP_SST_OPT_HOST -P$WSREP_SST_OPT_PORT "\
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"--disable-reconnect --connect_timeout=10"
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# need to disable logging when loading the dump
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# reason is that dump contains ALTER TABLE for log tables, and
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# this causes an error if logging is enabled
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GENERAL_LOG_OPT=`$MYSQL --skip-column-names -e"$STOP_WSREP SELECT @@GENERAL_LOG"`
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SLOW_LOG_OPT=`$MYSQL --skip-column-names -e"$STOP_WSREP SELECT @@SLOW_QUERY_LOG"`
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$MYSQL -e"$STOP_WSREP SET GLOBAL GENERAL_LOG=OFF"
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$MYSQL -e"$STOP_WSREP SET GLOBAL SLOW_QUERY_LOG=OFF"
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# commands to restore log settings
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RESTORE_GENERAL_LOG="SET GLOBAL GENERAL_LOG=$GENERAL_LOG_OPT;"
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RESTORE_SLOW_QUERY_LOG="SET GLOBAL SLOW_QUERY_LOG=$SLOW_LOG_OPT;"
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if [ $WSREP_SST_OPT_BYPASS -eq 0 ]
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then
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(echo $STOP_WSREP && $MYSQLDUMP && echo $CSV_TABLES_FIX \
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&& echo $RESTORE_GENERAL_LOG && echo $RESTORE_SLOW_QUERY_LOG \
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&& echo $SET_START_POSITION \
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|| echo "SST failed to complete;") | $MYSQL
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else
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wsrep_log_info "Bypassing state dump."
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echo $SET_START_POSITION | $MYSQL
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fi
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wsrep_cleanup_progress_file
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#
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