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authorJan Lindström <jplindst@mariadb.org>2013-09-03 17:50:36 +0300
committerJan Lindström <jplindst@mariadb.org>2013-09-03 17:50:36 +0300
commitba3ff50ab2bfabab6a4307282f92854f6efe6382 (patch)
tree904c9b94cc5f1dfa8727f17af56f50fba4155205 /scripts/wsrep_sst_mysqldump.sh
parent81739d308fee0317e56bd70d97e3429ece83dd4b (diff)
parentc8b87ca16f05826c6801c70fb20a88a61959264e (diff)
downloadmariadb-git-ba3ff50ab2bfabab6a4307282f92854f6efe6382.tar.gz
Merge 10.0 to galera-10.0
Diffstat (limited to 'scripts/wsrep_sst_mysqldump.sh')
-rw-r--r--scripts/wsrep_sst_mysqldump.sh121
1 files changed, 121 insertions, 0 deletions
diff --git a/scripts/wsrep_sst_mysqldump.sh b/scripts/wsrep_sst_mysqldump.sh
new file mode 100644
index 00000000000..cf4f55df98e
--- /dev/null
+++ b/scripts/wsrep_sst_mysqldump.sh
@@ -0,0 +1,121 @@
+#!/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
+#