Commit 236cc6cd authored by Nirbhay Choubey's avatar Nirbhay Choubey

wsrep-related changes: removed some unnecessary files & minor modifications.

parent a756ac61
......@@ -14,14 +14,11 @@
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
# We need to generate a proper spec file even without --with-wsrep flag,
# so WSREP_VERSION is produced regardless
# Set the patch version
SET(WSREP_PATCH_VERSION "10")
# MariaDB addition: Revision number of the last revision merged from
# codership branch visible in @@visible_comment.
# codership branch visible in @@version_comment.
# Branch : codership-mysql/5.6
SET(WSREP_PATCH_REVNO "4123") # Should be updated on every merge.
......
......@@ -151,7 +151,21 @@ innodb_flush_method = O_DIRECT
# ssl-cert=/etc/mysql/server-cert.pem
# ssl-key=/etc/mysql/server-key.pem
#
# * Galera-related settings
#
[galera]
# Mandatory settings
#wsrep_provider=
#wsrep_cluster_address=
#wsrep_slave_threads=1
#binlog_format=row
#default_storage_engine=InnoDB
#innodb_autoinc_lock_mode=2
#bind-address=0.0.0.0
#
# Optional setting
#innodb_flush_log_at_trx_commit=0
[mysqldump]
quick
......
# Copyright (C) 2012-2014 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 common command line parser to be sourced by other SST scripts
set -u
WSREP_SST_OPT_BYPASS=0
WSREP_SST_OPT_BINLOG=""
WSREP_SST_OPT_DATA=""
WSREP_SST_OPT_AUTH=""
while [ $# -gt 0 ]; do
case "$1" in
'--address')
readonly WSREP_SST_OPT_ADDR="$2"
shift
;;
'--auth')
WSREP_SST_OPT_AUTH="$2"
shift
;;
'--bypass')
WSREP_SST_OPT_BYPASS=1
;;
'--datadir')
readonly WSREP_SST_OPT_DATA="$2"
shift
;;
'--defaults-file')
readonly WSREP_SST_OPT_CONF="$2"
shift
;;
'--host')
readonly WSREP_SST_OPT_HOST="$2"
shift
;;
'--local-port')
readonly WSREP_SST_OPT_LPORT="$2"
shift
;;
'--parent')
readonly WSREP_SST_OPT_PARENT="$2"
shift
;;
'--password')
WSREP_SST_OPT_PSWD="$2"
shift
;;
'--port')
readonly WSREP_SST_OPT_PORT="$2"
shift
;;
'--role')
readonly WSREP_SST_OPT_ROLE="$2"
shift
;;
'--socket')
readonly WSREP_SST_OPT_SOCKET="$2"
shift
;;
'--user')
WSREP_SST_OPT_USER="$2"
shift
;;
'--gtid')
readonly WSREP_SST_OPT_GTID="$2"
shift
;;
'--binlog')
WSREP_SST_OPT_BINLOG="$2"
shift
;;
*) # must be command
# usage
# exit 1
;;
esac
shift
done
readonly WSREP_SST_OPT_BYPASS
readonly WSREP_SST_OPT_BINLOG
# State Snapshot Transfer authentication password was displayed in the ps output. Bug fixed #1200727.
if my_print_defaults -c $WSREP_SST_OPT_CONF sst | grep -q "wsrep_sst_auth";then
if [ -z "$WSREP_SST_OPT_AUTH" -o "$WSREP_SST_OPT_AUTH" = "(null)" ];then
WSREP_SST_OPT_AUTH=$(my_print_defaults -c $WSREP_SST_OPT_CONF sst | grep -- "--wsrep_sst_auth" | cut -d= -f2)
fi
fi
if [ -n "${WSREP_SST_OPT_DATA:-}" ]
then
SST_PROGRESS_FILE="$WSREP_SST_OPT_DATA/sst_in_progress"
else
SST_PROGRESS_FILE=""
fi
wsrep_log()
{
# echo everything to stderr so that it gets into common error log
# deliberately made to look different from the rest of the log
local readonly tst="$(date +%Y%m%d\ %H:%M:%S.%N | cut -b -21)"
echo "$tst WSREP_SST: " >&2
}
wsrep_log_error()
{
wsrep_log "[ERROR] $*"
}
wsrep_log_info()
{
wsrep_log "[INFO] $*"
}
wsrep_cleanup_progress_file()
{
[ -n "$SST_PROGRESS_FILE" ] && rm -f "$SST_PROGRESS_FILE" 2>/dev/null
}
wsrep_check_program()
{
local prog=$1
if ! which $prog >/dev/null
then
echo "'$prog' not found in PATH"
return 2 # no such file or directory
fi
}
wsrep_check_programs()
{
local ret=0
while [ $# -gt 0 ]
do
wsrep_check_program $1 || ret=$?
shift
done
return $ret
}
#!/bin/bash -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
# This variable is not used in mysqldump sst, so better initialize it
# to avoid shell's "parameter not set" message.
WSREP_SST_OPT_CONF=""
. $(dirname $0)/wsrep_sst_common
EINVAL=22
PATH=$PATH:/usr/sbin:/usr/bin:/sbin:/bin
local_ip()
{
[ "$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 10' >/dev/null
then
mysql --version >&2
wsrep_log_error "this operation requires MySQL client version 10 or newer"
exit $EINVAL
fi
# For Bug:1293798
if [ -z "$WSREP_SST_OPT_PSWD" -a -n "$WSREP_SST_OPT_AUTH" ]; then
WSREP_SST_OPT_USER=$(echo $WSREP_SST_OPT_AUTH | cut -d: -f1)
WSREP_SST_OPT_PSWD=$(echo $WSREP_SST_OPT_AUTH | cut -d: -f2)
fi
AUTH="-u$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 @cond = (SELECT (SUPPORT = 'YES' or SUPPORT = 'DEFAULT') FROM INFORMATION_SCHEMA.ENGINES WHERE ENGINE = 'csv');
SET @stmt = IF (@cond = '1', 'CREATE TABLE IF NOT EXISTS general_log ( event_time timestamp(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), user_host mediumtext NOT NULL, thread_id bigint(21) unsigned NOT NULL, server_id int(10) unsigned NOT NULL, command_type varchar(64) NOT NULL, argument mediumtext NOT NULL) ENGINE=CSV DEFAULT CHARSET=utf8 COMMENT=\"General log\"', 'SET @dummy = 0');
PREPARE stmt FROM @stmt;
EXECUTE stmt;
DROP PREPARE stmt;
SET @stmt = IF (@cond = '1', 'CREATE TABLE IF NOT EXISTS slow_log ( start_time timestamp(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), user_host mediumtext NOT NULL, query_time time(6) NOT NULL, lock_time time(6) NOT NULL, rows_sent int(11) NOT NULL, rows_examined int(11) NOT NULL, db varchar(512) NOT NULL, last_insert_id int(11) NOT NULL, insert_id int(11) NOT NULL, server_id int(10) unsigned NOT NULL, sql_text mediumtext NOT NULL, thread_id bigint(21) unsigned NOT NULL) ENGINE=CSV DEFAULT CHARSET=utf8 COMMENT=\"Slow log\"', 'SET @dummy = 0');
PREPARE stmt FROM @stmt;
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 | $MYSQL
fi
#
#!/bin/bash -ue
# Copyright (C) 2010-2014 Codership Oy
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING. If not, write to the
# Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston
# MA 02110-1301 USA.
# This is a reference script for rsync-based state snapshot tansfer
RSYNC_PID=
RSYNC_CONF=
OS=$(uname)
[ "$OS" == "Darwin" ] && export -n LD_LIBRARY_PATH
# Setting the path for lsof on CentOS
export PATH="/usr/sbin:/sbin:$PATH"
. $(dirname $0)/wsrep_sst_common
wsrep_check_programs rsync
cleanup_joiner()
{
wsrep_log_info "Joiner cleanup."
local PID=$(cat "$RSYNC_PID" 2>/dev/null || echo 0)
[ "0" != "$PID" ] && kill $PID && sleep 0.5 && kill -9 $PID >/dev/null 2>&1 \
|| :
rm -rf "$RSYNC_CONF"
rm -rf "$MAGIC_FILE"
rm -rf "$RSYNC_PID"
wsrep_log_info "Joiner cleanup done."
if [ "${WSREP_SST_OPT_ROLE}" = "joiner" ];then
wsrep_cleanup_progress_file
fi
}
check_pid()
{
local pid_file=$1
[ -r "$pid_file" ] && ps -p $(cat $pid_file) >/dev/null 2>&1
}
check_pid_and_port()
{
local pid_file=$1
local rsync_pid=$2
local rsync_port=$3
if ! which lsof > /dev/null; then
wsrep_log_error "lsof tool not found in PATH! Make sure you have it installed."
exit 2 # ENOENT
fi
local port_info=$(lsof -i :$rsync_port -Pn 2>/dev/null | \
grep "(LISTEN)")
local is_rsync=$(echo $port_info | \
grep -w '^rsync[[:space:]]\+'"$rsync_pid" 2>/dev/null)
if [ -n "$port_info" -a -z "$is_rsync" ]; then
wsrep_log_error "rsync daemon port '$rsync_port' has been taken"
exit 16 # EBUSY
fi
check_pid $pid_file && \
[ -n "$port_info" ] && [ -n "$is_rsync" ] && \
[ $(cat $pid_file) -eq $rsync_pid ]
}
MAGIC_FILE="$WSREP_SST_OPT_DATA/rsync_sst_complete"
rm -rf "$MAGIC_FILE"
BINLOG_TAR_FILE="$WSREP_SST_OPT_DATA/wsrep_sst_binlog.tar"
BINLOG_N_FILES=1
rm -f "$BINLOG_TAR_FILE" || :
if ! [ -z $WSREP_SST_OPT_BINLOG ]
then
BINLOG_DIRNAME=$(dirname $WSREP_SST_OPT_BINLOG)
BINLOG_FILENAME=$(basename $WSREP_SST_OPT_BINLOG)
fi
WSREP_LOG_DIR=${WSREP_LOG_DIR:-""}
# if WSREP_LOG_DIR env. variable is not set, try to get it from my.cnf
if [ -z "$WSREP_LOG_DIR" ]; then
SCRIPT_DIR="$(cd $(dirname "$0"); pwd -P)"
WSREP_LOG_DIR=$($SCRIPT_DIR/my_print_defaults --defaults-file \
"$WSREP_SST_OPT_CONF" mysqld server mysqld-10.0 mariadb mariadb-10.0 \
| grep -- '--innodb[-_]log[-_]group[-_]home[-_]dir=' \
| cut -b 29- )
fi
if [ -n "$WSREP_LOG_DIR" ]; then
# handle both relative and absolute paths
WSREP_LOG_DIR=$(cd $WSREP_SST_OPT_DATA; mkdir -p "$WSREP_LOG_DIR"; cd $WSREP_LOG_DIR; pwd -P)
else
# default to datadir
WSREP_LOG_DIR=$(cd $WSREP_SST_OPT_DATA; pwd -P)
fi
# Old filter - include everything except selected
# FILTER=(--exclude '*.err' --exclude '*.pid' --exclude '*.sock' \
# --exclude '*.conf' --exclude core --exclude 'galera.*' \
# --exclude grastate.txt --exclude '*.pem' \
# --exclude '*.[0-9][0-9][0-9][0-9][0-9][0-9]' --exclude '*.index')
# New filter - exclude everything except dirs (schemas) and innodb files
FILTER=(-f '- /lost+found' -f '- /.fseventsd' -f '- /.Trashes'
-f '+ /wsrep_sst_binlog.tar' -f '+ /ib_lru_dump' -f '+ /ibdata*' -f '+ /*/' -f '- /*')
if [ "$WSREP_SST_OPT_ROLE" = "donor" ]
then
if [ $WSREP_SST_OPT_BYPASS -eq 0 ]
then
FLUSHED="$WSREP_SST_OPT_DATA/tables_flushed"
rm -rf "$FLUSHED"
# Use deltaxfer only for WAN
inv=$(basename $0)
[ "$inv" = "wsrep_sst_rsync_wan" ] && WHOLE_FILE_OPT="" \
|| WHOLE_FILE_OPT="--whole-file"
echo "flush tables"
# wait for tables flushed and state ID written to the file
while [ ! -r "$FLUSHED" ] && ! grep -q ':' "$FLUSHED" >/dev/null 2>&1
do
sleep 0.2
done
STATE="$(cat $FLUSHED)"
rm -rf "$FLUSHED"
sync
if ! [ -z $WSREP_SST_OPT_BINLOG ]
then
# Prepare binlog files
pushd $BINLOG_DIRNAME &> /dev/null
binlog_files_full=$(tail -n $BINLOG_N_FILES ${BINLOG_FILENAME}.index)
binlog_files=""
for ii in $binlog_files_full
do
binlog_files="$binlog_files $(basename $ii)"
done
if ! [ -z "$binlog_files" ]
then
wsrep_log_info "Preparing binlog files for transfer:"
tar -cvf $BINLOG_TAR_FILE $binlog_files >&2
fi
popd &> /dev/null
fi
# first, the normal directories, so that we can detect incompatible protocol
RC=0
rsync --owner --group --perms --links --specials \
--ignore-times --inplace --dirs --delete --quiet \
$WHOLE_FILE_OPT "${FILTER[@]}" "$WSREP_SST_OPT_DATA/" \
rsync://$WSREP_SST_OPT_ADDR >&2 || RC=$?
if [ "$RC" -ne 0 ]; then
wsrep_log_error "rsync returned code $RC:"
case $RC in
12) RC=71 # EPROTO
wsrep_log_error \
"rsync server on the other end has incompatible protocol. " \
"Make sure you have the same version of rsync on all nodes."
;;
22) RC=12 # ENOMEM
;;
*) RC=255 # unknown error
;;
esac
exit $RC
fi
# second, we transfer InnoDB log files
rsync --owner --group --perms --links --specials \
--ignore-times --inplace --dirs --delete --quiet \
$WHOLE_FILE_OPT -f '+ /ib_logfile[0-9]*' -f '- **' "$WSREP_LOG_DIR/" \
rsync://$WSREP_SST_OPT_ADDR-log_dir >&2 || RC=$?
if [ $RC -ne 0 ]; then
wsrep_log_error "rsync innodb_log_group_home_dir returned code $RC:"
exit 255 # unknown error
fi
# then, we parallelize the transfer of database directories, use . so that pathconcatenation works
pushd "$WSREP_SST_OPT_DATA" >/dev/null
count=1
[ "$OS" == "Linux" ] && count=$(grep -c processor /proc/cpuinfo)
[ "$OS" == "Darwin" -o "$OS" == "FreeBSD" ] && count=$(sysctl -n hw.ncpu)
find . -maxdepth 1 -mindepth 1 -type d -print0 | xargs -I{} -0 -P $count \
rsync --owner --group --perms --links --specials \
--ignore-times --inplace --recursive --delete --quiet \
$WHOLE_FILE_OPT --exclude '*/ib_logfile*' "$WSREP_SST_OPT_DATA"/{}/ \
rsync://$WSREP_SST_OPT_ADDR/{} >&2 || RC=$?
popd >/dev/null
if [ $RC -ne 0 ]; then
wsrep_log_error "find/rsync returned code $RC:"
exit 255 # unknown error
fi
else # BYPASS
wsrep_log_info "Bypassing state dump."
STATE="$WSREP_SST_OPT_GTID"
fi
echo "continue" # now server can resume updating data
echo "$STATE" > "$MAGIC_FILE"
rsync --archive --quiet --checksum "$MAGIC_FILE" rsync://$WSREP_SST_OPT_ADDR
echo "done $STATE"
elif [ "$WSREP_SST_OPT_ROLE" = "joiner" ]
then
wsrep_check_programs lsof
touch $SST_PROGRESS_FILE
MYSQLD_PID=$WSREP_SST_OPT_PARENT
MODULE="rsync_sst"
RSYNC_PID="$WSREP_SST_OPT_DATA/$MODULE.pid"
if check_pid $RSYNC_PID
then
wsrep_log_error "rsync daemon already running."
exit 114 # EALREADY
fi
rm -rf "$RSYNC_PID"
ADDR=$WSREP_SST_OPT_ADDR
RSYNC_PORT=$(echo $ADDR | awk -F ':' '{ print $2 }')
if [ -z "$RSYNC_PORT" ]
then
RSYNC_PORT=4444
ADDR="$(echo $ADDR | awk -F ':' '{ print $1 }'):$RSYNC_PORT"
fi
trap "exit 32" HUP PIPE
trap "exit 3" INT TERM ABRT
trap cleanup_joiner EXIT
RSYNC_CONF="$WSREP_SST_OPT_DATA/$MODULE.conf"
cat << EOF > "$RSYNC_CONF"
pid file = $RSYNC_PID
use chroot = no
read only = no
timeout = 300
[$MODULE]
path = $WSREP_SST_OPT_DATA
[$MODULE-log_dir]
path = $WSREP_LOG_DIR
EOF
# rm -rf "$DATA"/ib_logfile* # we don't want old logs around
# listen at all interfaces (for firewalled setups)
rsync --daemon --no-detach --port $RSYNC_PORT --config "$RSYNC_CONF" &
RSYNC_REAL_PID=$!
until check_pid_and_port $RSYNC_PID $RSYNC_REAL_PID $RSYNC_PORT
do
sleep 0.2
done
echo "ready $ADDR/$MODULE"
# wait for SST to complete by monitoring magic file
while [ ! -r "$MAGIC_FILE" ] && check_pid "$RSYNC_PID" && \
ps -p $MYSQLD_PID >/dev/null
do
sleep 1
done
if ! ps -p $MYSQLD_PID >/dev/null
then
wsrep_log_error \
"Parent mysqld process (PID:$MYSQLD_PID) terminated unexpectedly."
exit 32
fi
if ! [ -z $WSREP_SST_OPT_BINLOG ]
then
pushd $BINLOG_DIRNAME &> /dev/null
if [ -f $BINLOG_TAR_FILE ]
then
# Clean up old binlog files first
rm -f ${BINLOG_FILENAME}.*
wsrep_log_info "Extracting binlog files:"
tar -xvf $BINLOG_TAR_FILE >&2
for ii in $(ls -1 ${BINLOG_FILENAME}.*)
do
echo ${BINLOG_DIRNAME}/${ii} >> ${BINLOG_FILENAME}.index
done
fi
popd &> /dev/null
fi
if [ -r "$MAGIC_FILE" ]
then
cat "$MAGIC_FILE" # output UUID:seqno
else
# this message should cause joiner to abort
echo "rsync process ended without creating '$MAGIC_FILE'"
fi
wsrep_cleanup_progress_file
# cleanup_joiner
else
wsrep_log_error "Unrecognized role: '$WSREP_SST_OPT_ROLE'"
exit 22 # EINVAL
fi
rm -f $BINLOG_TAR_FILE || :
exit 0
#!/bin/bash -ue
# Copyright (C) 2013 Percona Inc
#
# 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.
# Optional dependencies and options documented here: http://www.percona.com/doc/percona-xtradb-cluster/manual/xtrabackup_sst.html
# Make sure to read that before proceeding!
. $(dirname $0)/wsrep_sst_common
ealgo=""
ekey=""
ekeyfile=""
encrypt=0
nproc=1
ecode=0
XTRABACKUP_PID=""
SST_PORT=""
REMOTEIP=""
tcert=""
tpem=""
sockopt=""
progress=""
ttime=0
totime=0
lsn=""
incremental=0
ecmd=""
rlimit=""
sfmt="tar"
strmcmd=""
tfmt=""
tcmd=""
rebuild=0
rebuildcmd=""
payload=0
pvformat="-F '%N => Rate:%r Avg:%a Elapsed:%t %e Bytes: %b %p' "
pvopts="-f -i 10 -N $WSREP_SST_OPT_ROLE "
uextra=0
if which pv &>/dev/null && pv --help | grep -q FORMAT;then
pvopts+=$pvformat
fi
pcmd="pv $pvopts"
declare -a RC
INNOBACKUPEX_BIN=innobackupex
readonly AUTH=(${WSREP_SST_OPT_AUTH//:/ })
DATA="${WSREP_SST_OPT_DATA}"
INFO_FILE="xtrabackup_galera_info"
IST_FILE="xtrabackup_ist"
MAGIC_FILE="${DATA}/${INFO_FILE}"
# Setting the path for ss and ip
export PATH="/usr/sbin:/sbin:$PATH"
timeit(){
local stage=$1
shift
local cmd="$@"
local x1 x2 took extcode
if [[ $ttime -eq 1 ]];then
x1=$(date +%s)
wsrep_log_info "Evaluating $cmd"
eval "$cmd"
extcode=$?
x2=$(date +%s)
took=$(( x2-x1 ))
wsrep_log_info "NOTE: $stage took $took seconds"
totime=$(( totime+took ))
else
wsrep_log_info "Evaluating $cmd"
eval "$cmd"
extcode=$?
fi
return $extcode
}
get_keys()
{
if [[ $encrypt -eq 2 ]];then
return
fi
if [[ $encrypt -eq 0 ]];then
if my_print_defaults -c $WSREP_SST_OPT_CONF xtrabackup | grep -q encrypt;then
wsrep_log_error "Unexpected option combination. SST may fail. Refer to http://www.percona.com/doc/percona-xtradb-cluster/manual/xtrabackup_sst.html "
fi
return
fi
if [[ $sfmt == 'tar' ]];then
wsrep_log_info "NOTE: Xtrabackup-based encryption - encrypt=1 - cannot be enabled with tar format"
encrypt=0
return
fi
wsrep_log_info "Xtrabackup based encryption enabled in my.cnf - Supported only from Xtrabackup 2.1.4"
if [[ -z $ealgo ]];then
wsrep_log_error "FATAL: Encryption algorithm empty from my.cnf, bailing out"
exit 3
fi
if [[ -z $ekey && ! -r $ekeyfile ]];then
wsrep_log_error "FATAL: Either key or keyfile must be readable"
exit 3
fi
if [[ -z $ekey ]];then
ecmd="xbcrypt --encrypt-algo=$ealgo --encrypt-key-file=$ekeyfile"
else
ecmd="xbcrypt --encrypt-algo=$ealgo --encrypt-key=$ekey"
fi
if [[ "$WSREP_SST_OPT_ROLE" == "joiner" ]];then
ecmd+=" -d"
fi
}
get_transfer()
{
if [[ -z $SST_PORT ]];then
TSST_PORT=4444
else
TSST_PORT=$SST_PORT
fi
if [[ $tfmt == 'nc' ]];then
if [[ ! -x `which nc` ]];then
wsrep_log_error "nc(netcat) not found in path: $PATH"
exit 2
fi
wsrep_log_info "Using netcat as streamer"
if [[ "$WSREP_SST_OPT_ROLE" == "joiner" ]];then
tcmd="nc -dl ${TSST_PORT}"
else
tcmd="nc ${REMOTEIP} ${TSST_PORT}"
fi
else
tfmt='socat'
wsrep_log_info "Using socat as streamer"
if [[ ! -x `which socat` ]];then
wsrep_log_error "socat not found in path: $PATH"
exit 2
fi
if [[ $encrypt -eq 2 ]] && ! socat -V | grep -q OPENSSL;then
wsrep_log_info "NOTE: socat is not openssl enabled, falling back to plain transfer"
encrypt=0
fi
if [[ $encrypt -eq 2 ]];then
wsrep_log_info "Using openssl based encryption with socat"
if [[ -z $tpem || -z $tcert ]];then
wsrep_log_error "Both PEM and CRT files required"
exit 22
fi
if [[ "$WSREP_SST_OPT_ROLE" == "joiner" ]];then
wsrep_log_info "Decrypting with PEM $tpem, CA: $tcert"
tcmd="socat -u openssl-listen:${TSST_PORT},reuseaddr,cert=$tpem,cafile=${tcert}${sockopt} stdio"
else
wsrep_log_info "Encrypting with PEM $tpem, CA: $tcert"
tcmd="socat -u stdio openssl-connect:${REMOTEIP}:${TSST_PORT},cert=$tpem,cafile=${tcert}${sockopt}"
fi
else
if [[ "$WSREP_SST_OPT_ROLE" == "joiner" ]];then
tcmd="socat -u TCP-LISTEN:${TSST_PORT},reuseaddr${sockopt} stdio"
else
tcmd="socat -u stdio TCP:${REMOTEIP}:${TSST_PORT}${sockopt}"
fi
fi
fi
}
parse_cnf()
{
local group=$1
local var=$2
reval=$(my_print_defaults -c $WSREP_SST_OPT_CONF $group | awk -F= '{if ($1 ~ /_/) { gsub(/_/,"-",$1); print $1"="$2 } else { print $0 }}' | grep -- "--$var=" | cut -d= -f2-)
if [[ -z $reval ]];then
[[ -n $3 ]] && reval=$3
fi
echo $reval
}
get_footprint()
{
pushd $WSREP_SST_OPT_DATA 1>/dev/null
payload=$(find . -regex '.*\.ibd$\|.*\.MYI$\|.*\.MYD$\|.*ibdata1$' -type f -print0 | xargs -0 du --block-size=1 -c | awk 'END { print $1 }')
if my_print_defaults -c $WSREP_SST_OPT_CONF xtrabackup | grep -q -- "--compress";then
# QuickLZ has around 50% compression ratio
# When compression/compaction used, the progress is only an approximate.
payload=$(( payload*1/2 ))
fi
popd 1>/dev/null
pcmd+=" -s $payload"
adjust_progress
}
adjust_progress()
{
if [[ -n $progress && $progress != '1' ]];then
if [[ -e $progress ]];then
pcmd+=" 2>>$progress"
else
pcmd+=" 2>$progress"
fi
elif [[ -z $progress && -n $rlimit ]];then
# When rlimit is non-zero
pcmd="pv -q"
fi
if [[ -n $rlimit && "$WSREP_SST_OPT_ROLE" == "donor" ]];then
wsrep_log_info "Rate-limiting SST to $rlimit"
pcmd+=" -L \$rlimit"
fi
}
read_cnf()
{
sfmt=$(parse_cnf sst streamfmt "tar")
tfmt=$(parse_cnf sst transferfmt "socat")
tcert=$(parse_cnf sst tca "")
tpem=$(parse_cnf sst tcert "")
encrypt=$(parse_cnf sst encrypt 0)
sockopt=$(parse_cnf sst sockopt "")
progress=$(parse_cnf sst progress "")
rebuild=$(parse_cnf sst rebuild 0)
ttime=$(parse_cnf sst time 0)
incremental=$(parse_cnf sst incremental 0)
ealgo=$(parse_cnf xtrabackup encrypt "")
ekey=$(parse_cnf xtrabackup encrypt-key "")
ekeyfile=$(parse_cnf xtrabackup encrypt-key-file "")
# Refer to http://www.percona.com/doc/percona-xtradb-cluster/manual/xtrabackup_sst.html
if [[ -z $ealgo ]];then
ealgo=$(parse_cnf sst encrypt-algo "")
ekey=$(parse_cnf sst encrypt-key "")
ekeyfile=$(parse_cnf sst encrypt-key-file "")
fi
rlimit=$(parse_cnf sst rlimit "")
uextra=$(parse_cnf sst use_extra 0)
}
get_stream()
{
if [[ $sfmt == 'xbstream' ]];then
wsrep_log_info "Streaming with xbstream"
if [[ "$WSREP_SST_OPT_ROLE" == "joiner" ]];then
strmcmd="xbstream -x"
else
strmcmd="xbstream -c \${INFO_FILE} \${IST_FILE}"
fi
else
sfmt="tar"
wsrep_log_info "Streaming with tar"
if [[ "$WSREP_SST_OPT_ROLE" == "joiner" ]];then
strmcmd="tar xfi - --recursive-unlink -h"
else
strmcmd="tar cf - \${INFO_FILE} \${IST_FILE}"
fi
fi
}
get_proc()
{
set +e
nproc=$(grep -c processor /proc/cpuinfo)
[[ -z $nproc || $nproc -eq 0 ]] && nproc=1
set -e
}
sig_joiner_cleanup()
{
wsrep_log_error "Removing $MAGIC_FILE file due to signal"
rm -f "$MAGIC_FILE"
}
cleanup_joiner()
{
# Since this is invoked just after exit NNN
local estatus=$?
if [[ $estatus -ne 0 ]];then
wsrep_log_error "Cleanup after exit with status:$estatus"
fi
if [ "${WSREP_SST_OPT_ROLE}" = "joiner" ];then
wsrep_log_info "Removing the sst_in_progress file"
wsrep_cleanup_progress_file
fi
if [[ -n $progress && -p $progress ]];then
wsrep_log_info "Cleaning up fifo file $progress"
rm $progress
fi
}
check_pid()
{
local pid_file="$1"
[ -r "$pid_file" ] && ps -p $(cat "$pid_file") >/dev/null 2>&1
}
cleanup_donor()
{
# Since this is invoked just after exit NNN
local estatus=$?
if [[ $estatus -ne 0 ]];then
wsrep_log_error "Cleanup after exit with status:$estatus"
fi
if [[ -n $XTRABACKUP_PID ]];then
if check_pid $XTRABACKUP_PID
then
wsrep_log_error "xtrabackup process is still running. Killing... "
kill_xtrabackup
fi
rm -f $XTRABACKUP_PID
fi
rm -f ${DATA}/${IST_FILE}
if [[ -n $progress && -p $progress ]];then
wsrep_log_info "Cleaning up fifo file $progress"
rm $progress
fi
}
kill_xtrabackup()
{
local PID=$(cat $XTRABACKUP_PID)
[ -n "$PID" -a "0" != "$PID" ] && kill $PID && (kill $PID && kill -9 $PID) || :
rm -f "$XTRABACKUP_PID"
}
setup_ports()
{
if [[ "$WSREP_SST_OPT_ROLE" == "donor" ]];then
SST_PORT=$(echo $WSREP_SST_OPT_ADDR | awk -F '[:/]' '{ print $2 }')
REMOTEIP=$(echo $WSREP_SST_OPT_ADDR | awk -F ':' '{ print $1 }')
lsn=$(echo $WSREP_SST_OPT_ADDR | awk -F '[:/]' '{ print $4 }')
else
SST_PORT=$(echo ${WSREP_SST_OPT_ADDR} | awk -F ':' '{ print $2 }')
fi
}
# waits ~10 seconds for nc to open the port and then reports ready
# (regardless of timeout)
wait_for_listen()
{
local PORT=$1
local ADDR=$2
local MODULE=$3
for i in {1..50}
do
ss -p state listening "( sport = :$PORT )" | grep -qE 'socat|nc' && break
sleep 0.2
done
if [[ $incremental -eq 1 ]];then
echo "ready ${ADDR}/${MODULE}/$lsn"
else
echo "ready ${ADDR}/${MODULE}"
fi
}
check_extra()
{
local use_socket=1
if [[ $uextra -eq 1 ]];then
if my_print_defaults -c $WSREP_SST_OPT_CONF mysqld | tr '_' '-' | grep -- "--thread-handling=" | grep -q 'pool-of-threads';then
local eport=$(my_print_defaults -c $WSREP_SST_OPT_CONF mysqld | tr '_' '-' | grep -- "--extra-port=" | cut -d= -f2)
if [[ -n $eport ]];then
# Xtrabackup works only locally.
# Hence, setting host to 127.0.0.1 unconditionally.
wsrep_log_info "SST through extra_port $eport"
INNOEXTRA+=" --host=127.0.0.1 --port=$eport "
use_socket=0
else
wsrep_log_error "Extra port $eport null, failing"
exit 1
fi
else
wsrep_log_info "Thread pool not set, ignore the option use_extra"
fi
fi
if [[ $use_socket -eq 1 ]] && [[ -n "${WSREP_SST_OPT_SOCKET}" ]];then
INNOEXTRA+=" --socket=${WSREP_SST_OPT_SOCKET}"
fi
}
if [[ ! -x `which innobackupex` ]];then
wsrep_log_error "innobackupex not in path: $PATH"
exit 2
fi
rm -f "${MAGIC_FILE}"
if [[ ! ${WSREP_SST_OPT_ROLE} == 'joiner' && ! ${WSREP_SST_OPT_ROLE} == 'donor' ]];then
wsrep_log_error "Invalid role ${WSREP_SST_OPT_ROLE}"
exit 22
fi
read_cnf
setup_ports
get_stream
get_transfer
INNOEXTRA=""
INNOAPPLY="${INNOBACKUPEX_BIN} --defaults-file=${WSREP_SST_OPT_CONF} --apply-log \$rebuildcmd \${DATA} &>\${DATA}/innobackup.prepare.log"
INNOBACKUP="${INNOBACKUPEX_BIN} --defaults-file=${WSREP_SST_OPT_CONF} \$INNOEXTRA --galera-info --stream=\$sfmt \${TMPDIR} 2>\${DATA}/innobackup.backup.log"
if [ "$WSREP_SST_OPT_ROLE" = "donor" ]
then
trap cleanup_donor EXIT
if [ $WSREP_SST_OPT_BYPASS -eq 0 ]
then
TMPDIR="${TMPDIR:-/tmp}"
if [ "${AUTH[0]}" != "(null)" ]; then
INNOEXTRA+=" --user=${AUTH[0]}"
fi
if [ ${#AUTH[*]} -eq 2 ]; then
INNOEXTRA+=" --password=${AUTH[1]}"
elif [ "${AUTH[0]}" != "(null)" ]; then
# Empty password, used for testing, debugging etc.
INNOEXTRA+=" --password="
fi
get_keys
if [[ $encrypt -eq 1 ]];then
if [[ -n $ekey ]];then
INNOEXTRA+=" --encrypt=$ealgo --encrypt-key=$ekey "
else
INNOEXTRA+=" --encrypt=$ealgo --encrypt-key-file=$ekeyfile "
fi
fi
if [[ -n $lsn ]];then
INNOEXTRA+=" --incremental --incremental-lsn=$lsn "
fi
check_extra
wsrep_log_info "Streaming the backup to joiner at ${REMOTEIP} ${SST_PORT}"
if [[ -n $progress ]];then
get_footprint
tcmd="$pcmd | $tcmd"
elif [[ -n $rlimit ]];then
adjust_progress
tcmd="$pcmd | $tcmd"
fi
set +e
timeit "Donor-Transfer" "$INNOBACKUP | $tcmd; RC=( "\${PIPESTATUS[@]}" )"
set -e
if [ ${RC[0]} -ne 0 ]; then
wsrep_log_error "${INNOBACKUPEX_BIN} finished with error: ${RC[0]}. " \
"Check ${DATA}/innobackup.backup.log"
exit 22
elif [[ ${RC[$(( ${#RC[@]}-1 ))]} -eq 1 ]];then
wsrep_log_error "$tcmd finished with error: ${RC[1]}"
exit 22
fi
# innobackupex implicitly writes PID to fixed location in ${TMPDIR}
XTRABACKUP_PID="${TMPDIR}/xtrabackup_pid"
else # BYPASS FOR IST
wsrep_log_info "Bypassing the SST for IST"
STATE="${WSREP_SST_OPT_GTID}"
echo "continue" # now server can resume updating data
echo "${STATE}" > "${MAGIC_FILE}"
echo "1" > "${DATA}/${IST_FILE}"
get_keys
pushd ${DATA} 1>/dev/null
set +e
if [[ $encrypt -eq 1 ]];then
tcmd=" $ecmd | $tcmd"
fi
timeit "Donor-IST-Unencrypted-transfer" "$strmcmd | $tcmd; RC=( "\${PIPESTATUS[@]}" )"
set -e
popd 1>/dev/null
for ecode in "${RC[@]}";do
if [[ $ecode -ne 0 ]];then
wsrep_log_error "Error while streaming data to joiner node: " \
"exit codes: ${RC[@]}"
exit 1
fi
done
fi
echo "done ${WSREP_SST_OPT_GTID}"
wsrep_log_info "Total time on donor: $totime seconds"
elif [ "${WSREP_SST_OPT_ROLE}" = "joiner" ]
then
[[ -e $SST_PROGRESS_FILE ]] && wsrep_log_info "Stale sst_in_progress file: $SST_PROGRESS_FILE"
touch $SST_PROGRESS_FILE
if [[ ! -e ${DATA}/ibdata1 ]];then
incremental=0
fi
if [[ $incremental -eq 1 ]];then
wsrep_log_info "Incremental SST enabled"
#lsn=$(/pxc/bin/mysqld --defaults-file=$WSREP_SST_OPT_CONF --basedir=/pxc --wsrep-recover 2>&1 | grep -o 'log sequence number .*' | cut -d " " -f 4 | head -1)
lsn=$(grep to_lsn xtrabackup_checkpoints | cut -d= -f2 | tr -d ' ')
wsrep_log_info "Recovered LSN: $lsn"
fi
sencrypted=1
nthreads=1
MODULE="xtrabackup_sst"
# May need xtrabackup_checkpoints later on
rm -f ${DATA}/xtrabackup_binary ${DATA}/xtrabackup_galera_info ${DATA}/xtrabackup_logfile
ADDR=${WSREP_SST_OPT_ADDR}
if [ -z "${SST_PORT}" ]
then
SST_PORT=4444
ADDR="$(echo ${WSREP_SST_OPT_ADDR} | awk -F ':' '{ print $1 }'):${SST_PORT}"
fi
wait_for_listen ${SST_PORT} ${ADDR} ${MODULE} &
trap sig_joiner_cleanup HUP PIPE INT TERM
trap cleanup_joiner EXIT
if [[ -n $progress ]];then
adjust_progress
tcmd+=" | $pcmd"
fi
if [[ $incremental -eq 1 ]];then
BDATA=$DATA
DATA=$(mktemp -d)
MAGIC_FILE="${DATA}/${INFO_FILE}"
fi
get_keys
set +e
if [[ $encrypt -eq 1 && $sencrypted -eq 1 ]];then
strmcmd=" $ecmd | $strmcmd"
fi
pushd ${DATA} 1>/dev/null
timeit "Joiner-Recv-Unencrypted" "$tcmd | $strmcmd; RC=( "\${PIPESTATUS[@]}" )"
popd 1>/dev/null
set -e
if [[ $sfmt == 'xbstream' ]];then
# Special handling till lp:1193240 is fixed"
if [[ ${RC[$(( ${#RC[@]}-1 ))]} -eq 1 ]];then
wsrep_log_error "Xbstream failed"
wsrep_log_error "Data directory ${DATA} may not be empty: lp:1193240" \
"Manual intervention required in that case"
exit 32
fi
fi
wait %% # join for wait_for_listen thread
for ecode in "${RC[@]}";do
if [[ $ecode -ne 0 ]];then
wsrep_log_error "Error while getting data from donor node: " \
"exit codes: ${RC[@]}"
exit 32
fi
done
if [ ! -r "${MAGIC_FILE}" ]
then
# this message should cause joiner to abort
wsrep_log_error "xtrabackup process ended without creating '${MAGIC_FILE}'"
wsrep_log_info "Contents of datadir"
wsrep_log_info "$(ls -l ${DATA}/**/*)"
exit 32
fi
if ! ps -p ${WSREP_SST_OPT_PARENT} &>/dev/null
then
wsrep_log_error "Parent mysqld process (PID:${WSREP_SST_OPT_PARENT}) terminated unexpectedly."
exit 32
fi
if [ ! -r "${DATA}/${IST_FILE}" ]
then
wsrep_log_info "Proceeding with SST"
wsrep_log_info "Removing existing ib_logfile files"
if [[ $incremental -ne 1 ]];then
rm -f ${DATA}/ib_logfile*
else
rm -f ${BDATA}/ib_logfile*
fi
get_proc
# Rebuild indexes for compact backups
if grep -q 'compact = 1' ${DATA}/xtrabackup_checkpoints;then
wsrep_log_info "Index compaction detected"
rebuild=1
fi
if [[ $rebuild -eq 1 ]];then
nthreads=$(parse_cnf xtrabackup rebuild-threads $nproc)
wsrep_log_info "Rebuilding during prepare with $nthreads threads"
rebuildcmd="--rebuild-indexes --rebuild-threads=$nthreads"
fi
if test -n "$(find ${DATA} -maxdepth 1 -type f -name '*.qp' -print -quit)";then
wsrep_log_info "Compressed qpress files found"
if [[ ! -x `which qpress` ]];then
wsrep_log_error "qpress not found in path: $PATH"
exit 22
fi
if [[ -n $progress ]] && pv --help | grep -q 'line-mode';then
count=$(find ${DATA} -type f -name '*.qp' | wc -l)
count=$(( count*2 ))
if pv --help | grep -q FORMAT;then
pvopts="-f -s $count -l -N Decompression -F '%N => Rate:%r Elapsed:%t %e Progress: [%b/$count]'"
else
pvopts="-f -s $count -l -N Decompression"
fi
pcmd="pv $pvopts"
adjust_progress
dcmd="$pcmd | xargs -n 2 qpress -T${nproc}d"
else
dcmd="xargs -n 2 qpress -T${nproc}d"
fi
wsrep_log_info "Removing existing ibdata1 file"
rm -f ${DATA}/ibdata1
# Decompress the qpress files
wsrep_log_info "Decompression with $nproc threads"
timeit "Decompression" "find ${DATA} -type f -name '*.qp' -printf '%p\n%h\n' | $dcmd"
extcode=$?
if [[ $extcode -eq 0 ]];then
wsrep_log_info "Removing qpress files after decompression"
find ${DATA} -type f -name '*.qp' -delete
if [[ $? -ne 0 ]];then
wsrep_log_error "Something went wrong with deletion of qpress files. Investigate"
fi
else
wsrep_log_error "Decompression failed. Exit code: $extcode"
exit 22
fi
fi
if [[ $incremental -eq 1 ]];then
# Added --ibbackup=xtrabackup_55 because it fails otherwise citing connection issues.
INNOAPPLY="${INNOBACKUPEX_BIN} --defaults-file=${WSREP_SST_OPT_CONF} \
--ibbackup=xtrabackup_55 --apply-log $rebuildcmd --redo-only $BDATA --incremental-dir=${DATA} &>>${BDATA}/innobackup.prepare.log"
fi
wsrep_log_info "Preparing the backup at ${DATA}"
timeit "Xtrabackup prepare stage" "$INNOAPPLY"
if [[ $incremental -eq 1 ]];then
wsrep_log_info "Cleaning up ${DATA} after incremental SST"
[[ -d ${DATA} ]] && rm -rf ${DATA}
DATA=$BDATA
fi
if [ $? -ne 0 ];
then
wsrep_log_error "${INNOBACKUPEX_BIN} finished with errors. Check ${DATA}/innobackup.prepare.log"
exit 22
fi
else
wsrep_log_info "${IST_FILE} received from donor: Running IST"
fi
if [[ ! -r ${MAGIC_FILE} ]];then
wsrep_log_error "SST magic file ${MAGIC_FILE} not found/readable"
exit 2
fi
cat "${MAGIC_FILE}" # output UUID:seqno
wsrep_log_info "Total time on joiner: $totime seconds"
fi
exit 0
#!/bin/bash -ue
# Copyright (C) 2013 Percona Inc
#
# 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.
# Documentation: http://www.percona.com/doc/percona-xtradb-cluster/manual/xtrabackup_sst.html
# Make sure to read that before proceeding!
. $(dirname $0)/wsrep_sst_common
ealgo=""
ekey=""
ekeyfile=""
encrypt=0
nproc=1
ecode=0
XTRABACKUP_PID=""
SST_PORT=""
REMOTEIP=""
tcert=""
tpem=""
tkey=""
sockopt=""
progress=""
ttime=0
totime=0
lsn=""
incremental=0
ecmd=""
rlimit=""
# Initially
stagemsg="${WSREP_SST_OPT_ROLE}"
cpat=""
speciald=0
ib_home_dir=""
ib_log_dir=""
sfmt="tar"
strmcmd=""
tfmt=""
tcmd=""
rebuild=0
rebuildcmd=""
payload=0
pvformat="-F '%N => Rate:%r Avg:%a Elapsed:%t %e Bytes: %b %p' "
pvopts="-f -i 10 -N $WSREP_SST_OPT_ROLE "
STATDIR=""
uextra=0
disver=""
tmpopts=""
itmpdir=""
xtmpdir=""
scomp=""
sdecomp=""
if which pv &>/dev/null && pv --help | grep -q FORMAT;then
pvopts+=$pvformat
fi
pcmd="pv $pvopts"
declare -a RC
INNOBACKUPEX_BIN=innobackupex
readonly AUTH=(${WSREP_SST_OPT_AUTH//:/ })
DATA="${WSREP_SST_OPT_DATA}"
INFO_FILE="xtrabackup_galera_info"
IST_FILE="xtrabackup_ist"
MAGIC_FILE="${DATA}/${INFO_FILE}"
# Setting the path for ss and ip
export PATH="/usr/sbin:/sbin:$PATH"
timeit(){
local stage=$1
shift
local cmd="$@"
local x1 x2 took extcode
if [[ $ttime -eq 1 ]];then
x1=$(date +%s)
wsrep_log_info "Evaluating $cmd"
eval "$cmd"
extcode=$?
x2=$(date +%s)
took=$(( x2-x1 ))
wsrep_log_info "NOTE: $stage took $took seconds"
totime=$(( totime+took ))
else
wsrep_log_info "Evaluating $cmd"
eval "$cmd"
extcode=$?
fi
return $extcode
}
get_keys()
{
# $encrypt -eq 1 is for internal purposes only
if [[ $encrypt -ge 2 || $encrypt -eq -1 ]];then
return
fi
if [[ $encrypt -eq 0 ]];then
if my_print_defaults -c $WSREP_SST_OPT_CONF xtrabackup | grep -q encrypt;then
wsrep_log_error "Unexpected option combination. SST may fail. Refer to http://www.percona.com/doc/percona-xtradb-cluster/manual/xtrabackup_sst.html "
fi
return
fi
if [[ $sfmt == 'tar' ]];then
wsrep_log_info "NOTE: Xtrabackup-based encryption - encrypt=1 - cannot be enabled with tar format"
encrypt=-1
return
fi
wsrep_log_info "Xtrabackup based encryption enabled in my.cnf - Supported only from Xtrabackup 2.1.4"
if [[ -z $ealgo ]];then
wsrep_log_error "FATAL: Encryption algorithm empty from my.cnf, bailing out"
exit 3
fi
if [[ -z $ekey && ! -r $ekeyfile ]];then
wsrep_log_error "FATAL: Either key or keyfile must be readable"
exit 3
fi
if [[ -z $ekey ]];then
ecmd="xbcrypt --encrypt-algo=$ealgo --encrypt-key-file=$ekeyfile"
else
ecmd="xbcrypt --encrypt-algo=$ealgo --encrypt-key=$ekey"
fi
if [[ "$WSREP_SST_OPT_ROLE" == "joiner" ]];then
ecmd+=" -d"
fi
stagemsg+="-XB-Encrypted"
}
get_transfer()
{
if [[ -z $SST_PORT ]];then
TSST_PORT=4444
else
TSST_PORT=$SST_PORT
fi
if [[ $tfmt == 'nc' ]];then
if [[ ! -x `which nc` ]];then
wsrep_log_error "nc(netcat) not found in path: $PATH"
exit 2
fi
wsrep_log_info "Using netcat as streamer"
if [[ "$WSREP_SST_OPT_ROLE" == "joiner" ]];then
tcmd="nc -dl ${TSST_PORT}"
else
tcmd="nc ${REMOTEIP} ${TSST_PORT}"
fi
else
tfmt='socat'
wsrep_log_info "Using socat as streamer"
if [[ ! -x `which socat` ]];then
wsrep_log_error "socat not found in path: $PATH"
exit 2
fi
if [[ $encrypt -eq 2 || $encrypt -eq 3 ]] && ! socat -V | grep -q WITH_OPENSSL;then
wsrep_log_info "NOTE: socat is not openssl enabled, falling back to plain transfer"
encrypt=-1
fi
if [[ $encrypt -eq 2 ]];then
wsrep_log_info "Using openssl based encryption with socat: with crt and pem"
if [[ -z $tpem || -z $tcert ]];then
wsrep_log_error "Both PEM and CRT files required"
exit 22
fi
stagemsg+="-OpenSSL-Encrypted-2"
if [[ "$WSREP_SST_OPT_ROLE" == "joiner" ]];then
wsrep_log_info "Decrypting with PEM $tpem, CA: $tcert"
tcmd="socat -u openssl-listen:${TSST_PORT},reuseaddr,cert=$tpem,cafile=${tcert}${sockopt} stdio"
else
wsrep_log_info "Encrypting with PEM $tpem, CA: $tcert"
tcmd="socat -u stdio openssl-connect:${REMOTEIP}:${TSST_PORT},cert=$tpem,cafile=${tcert}${sockopt}"
fi
elif [[ $encrypt -eq 3 ]];then
wsrep_log_info "Using openssl based encryption with socat: with key and crt"
if [[ -z $tpem || -z $tkey ]];then
wsrep_log_error "Both certificate and key files required"
exit 22
fi
stagemsg+="-OpenSSL-Encrypted-3"
if [[ "$WSREP_SST_OPT_ROLE" == "joiner" ]];then
wsrep_log_info "Decrypting with certificate $tpem, key $tkey"
tcmd="socat -u openssl-listen:${TSST_PORT},reuseaddr,cert=$tpem,key=${tkey},verify=0${sockopt} stdio"
else
wsrep_log_info "Encrypting with certificate $tpem, key $tkey"
tcmd="socat -u stdio openssl-connect:${REMOTEIP}:${TSST_PORT},cert=$tpem,key=${tkey},verify=0${sockopt}"
fi
else
if [[ "$WSREP_SST_OPT_ROLE" == "joiner" ]];then
tcmd="socat -u TCP-LISTEN:${TSST_PORT},reuseaddr${sockopt} stdio"
else
tcmd="socat -u stdio TCP:${REMOTEIP}:${TSST_PORT}${sockopt}"
fi
fi
fi
}
parse_cnf()
{
local group=$1
local var=$2
reval=$(my_print_defaults -c $WSREP_SST_OPT_CONF $group | awk -F= '{if ($1 ~ /_/) { gsub(/_/,"-",$1); print $1"="$2 } else { print $0 }}' | grep -- "--$var=" | cut -d= -f2-)
if [[ -z $reval ]];then
[[ -n $3 ]] && reval=$3
fi
echo $reval
}
get_footprint()
{
pushd $WSREP_SST_OPT_DATA 1>/dev/null
payload=$(find . -regex '.*\.ibd$\|.*\.MYI$\|.*\.MYD$\|.*ibdata1$' -type f -print0 | xargs -0 du --block-size=1 -c | awk 'END { print $1 }')
if my_print_defaults -c $WSREP_SST_OPT_CONF xtrabackup | grep -q -- "--compress";then
# QuickLZ has around 50% compression ratio
# When compression/compaction used, the progress is only an approximate.
payload=$(( payload*1/2 ))
fi
popd 1>/dev/null
pcmd+=" -s $payload"
adjust_progress
}
adjust_progress()
{
if [[ -n $progress && $progress != '1' ]];then
if [[ -e $progress ]];then
pcmd+=" 2>>$progress"
else
pcmd+=" 2>$progress"
fi
elif [[ -z $progress && -n $rlimit ]];then
# When rlimit is non-zero
pcmd="pv -q"
fi
if [[ -n $rlimit && "$WSREP_SST_OPT_ROLE" == "donor" ]];then
wsrep_log_info "Rate-limiting SST to $rlimit"
pcmd+=" -L \$rlimit"
fi
}
read_cnf()
{
sfmt=$(parse_cnf sst streamfmt "xbstream")
tfmt=$(parse_cnf sst transferfmt "socat")
tcert=$(parse_cnf sst tca "")
tpem=$(parse_cnf sst tcert "")
tkey=$(parse_cnf sst tkey "")
encrypt=$(parse_cnf sst encrypt 0)
sockopt=$(parse_cnf sst sockopt "")
progress=$(parse_cnf sst progress "")
rebuild=$(parse_cnf sst rebuild 0)
ttime=$(parse_cnf sst time 0)
cpat=$(parse_cnf sst cpat '.*galera\.cache$\|.*sst_in_progress$\|.*grastate\.dat$\|.*\.err$\|.*\.log$\|.*RPM_UPGRADE_MARKER$\|.*RPM_UPGRADE_HISTORY$')
incremental=$(parse_cnf sst incremental 0)
ealgo=$(parse_cnf xtrabackup encrypt "")
ekey=$(parse_cnf xtrabackup encrypt-key "")
ekeyfile=$(parse_cnf xtrabackup encrypt-key-file "")
scomp=$(parse_cnf sst compressor "")
sdecomp=$(parse_cnf sst decompressor "")
# Refer to http://www.percona.com/doc/percona-xtradb-cluster/manual/xtrabackup_sst.html
if [[ -z $ealgo ]];then
ealgo=$(parse_cnf sst encrypt-algo "")
ekey=$(parse_cnf sst encrypt-key "")
ekeyfile=$(parse_cnf sst encrypt-key-file "")
fi
rlimit=$(parse_cnf sst rlimit "")
uextra=$(parse_cnf sst use-extra 0)
speciald=$(parse_cnf sst sst-special-dirs 1)
iopts=$(parse_cnf sst inno-backup-opts "")
iapts=$(parse_cnf sst inno-apply-opts "")
impts=$(parse_cnf sst inno-move-opts "")
stimeout=$(parse_cnf sst sst-initial-timeout 100)
}
get_stream()
{
if [[ $sfmt == 'xbstream' ]];then
wsrep_log_info "Streaming with xbstream"
if [[ "$WSREP_SST_OPT_ROLE" == "joiner" ]];then
strmcmd="xbstream -x"
else
strmcmd="xbstream -c \${INFO_FILE}"
fi
else
sfmt="tar"
wsrep_log_info "Streaming with tar"
if [[ "$WSREP_SST_OPT_ROLE" == "joiner" ]];then
strmcmd="tar xfi - "
else
strmcmd="tar cf - \${INFO_FILE} "
fi
fi
}
get_proc()
{
set +e
nproc=$(grep -c processor /proc/cpuinfo)
[[ -z $nproc || $nproc -eq 0 ]] && nproc=1
set -e
}
sig_joiner_cleanup()
{
wsrep_log_error "Removing $MAGIC_FILE file due to signal"
rm -f "$MAGIC_FILE"
}
cleanup_joiner()
{
# Since this is invoked just after exit NNN
local estatus=$?
if [[ $estatus -ne 0 ]];then
wsrep_log_error "Cleanup after exit with status:$estatus"
fi
if [ "${WSREP_SST_OPT_ROLE}" = "joiner" ];then
wsrep_log_info "Removing the sst_in_progress file"
wsrep_cleanup_progress_file
fi
if [[ -n $progress && -p $progress ]];then
wsrep_log_info "Cleaning up fifo file $progress"
rm $progress
fi
if [[ -n ${STATDIR:-} ]];then
[[ -d $STATDIR ]] && rm -rf $STATDIR
fi
}
check_pid()
{
local pid_file="$1"
[ -r "$pid_file" ] && ps -p $(cat "$pid_file") >/dev/null 2>&1
}
cleanup_donor()
{
# Since this is invoked just after exit NNN
local estatus=$?
if [[ $estatus -ne 0 ]];then
wsrep_log_error "Cleanup after exit with status:$estatus"
fi
if [[ -n ${XTRABACKUP_PID:-} ]];then
if check_pid $XTRABACKUP_PID
then
wsrep_log_error "xtrabackup process is still running. Killing... "
kill_xtrabackup
fi
fi
rm -f ${DATA}/${IST_FILE} || true
if [[ -n $progress && -p $progress ]];then
wsrep_log_info "Cleaning up fifo file $progress"
rm -f $progress || true
fi
wsrep_log_info "Cleaning up temporary directories"
if [[ -n $xtmpdir ]];then
[[ -d $xtmpdir ]] && rm -rf $xtmpdir || true
fi
if [[ -n $itmpdir ]];then
[[ -d $itmpdir ]] && rm -rf $itmpdir || true
fi
}
kill_xtrabackup()
{
local PID=$(cat $XTRABACKUP_PID)
[ -n "$PID" -a "0" != "$PID" ] && kill $PID && (kill $PID && kill -9 $PID) || :
wsrep_log_info "Removing xtrabackup pid file $XTRABACKUP_PID"
rm -f "$XTRABACKUP_PID" || true
}
setup_ports()
{
if [[ "$WSREP_SST_OPT_ROLE" == "donor" ]];then
SST_PORT=$(echo $WSREP_SST_OPT_ADDR | awk -F '[:/]' '{ print $2 }')
REMOTEIP=$(echo $WSREP_SST_OPT_ADDR | awk -F ':' '{ print $1 }')
lsn=$(echo $WSREP_SST_OPT_ADDR | awk -F '[:/]' '{ print $4 }')
else
SST_PORT=$(echo ${WSREP_SST_OPT_ADDR} | awk -F ':' '{ print $2 }')
fi
}
# waits ~10 seconds for nc to open the port and then reports ready
# (regardless of timeout)
wait_for_listen()
{
local PORT=$1
local ADDR=$2
local MODULE=$3
for i in {1..50}
do
ss -p state listening "( sport = :$PORT )" | grep -qE 'socat|nc' && break
sleep 0.2
done
if [[ $incremental -eq 1 ]];then
echo "ready ${ADDR}/${MODULE}/$lsn"
else
echo "ready ${ADDR}/${MODULE}"
fi
}
check_extra()
{
local use_socket=1
if [[ $uextra -eq 1 ]];then
if my_print_defaults -c $WSREP_SST_OPT_CONF mysqld | tr '_' '-' | grep -- "--thread-handling=" | grep -q 'pool-of-threads';then
local eport=$(my_print_defaults -c $WSREP_SST_OPT_CONF mysqld | tr '_' '-' | grep -- "--extra-port=" | cut -d= -f2)
if [[ -n $eport ]];then
# Xtrabackup works only locally.
# Hence, setting host to 127.0.0.1 unconditionally.
wsrep_log_info "SST through extra_port $eport"
INNOEXTRA+=" --host=127.0.0.1 --port=$eport "
use_socket=0
else
wsrep_log_error "Extra port $eport null, failing"
exit 1
fi
else
wsrep_log_info "Thread pool not set, ignore the option use_extra"
fi
fi
if [[ $use_socket -eq 1 ]] && [[ -n "${WSREP_SST_OPT_SOCKET}" ]];then
INNOEXTRA+=" --socket=${WSREP_SST_OPT_SOCKET}"
fi
}
recv_joiner()
{
local dir=$1
local msg=$2
local tmt=$3
local ltcmd
pushd ${dir} 1>/dev/null
set +e
if [[ $tmt -gt 0 && -x `which timeout` ]];then
if timeout --help | grep -q -- '-k';then
ltcmd="timeout -k $(( tmt+10 )) $tmt $tcmd"
else
ltcmd="timeout $tmt $tcmd"
fi
timeit "$msg" "$ltcmd | $strmcmd; RC=( "\${PIPESTATUS[@]}" )"
else
timeit "$msg" "$tcmd | $strmcmd; RC=( "\${PIPESTATUS[@]}" )"
fi
set -e
popd 1>/dev/null
if [[ ${RC[0]} -eq 124 ]];then
wsrep_log_error "Possible timeout in receving first data from donor in gtid stage"
exit 32
fi
for ecode in "${RC[@]}";do
if [[ $ecode -ne 0 ]];then
wsrep_log_error "Error while getting data from donor node: " \
"exit codes: ${RC[@]}"
exit 32
fi
done
if [ ! -r "${MAGIC_FILE}" ];then
# this message should cause joiner to abort
wsrep_log_error "xtrabackup process ended without creating '${MAGIC_FILE}'"
wsrep_log_info "Contents of datadir"
wsrep_log_info "$(ls -l ${dir}/*)"
exit 32
fi
}
send_donor()
{
local dir=$1
local msg=$2
pushd ${dir} 1>/dev/null
set +e
timeit "$msg" "$strmcmd | $tcmd; RC=( "\${PIPESTATUS[@]}" )"
set -e
popd 1>/dev/null
for ecode in "${RC[@]}";do
if [[ $ecode -ne 0 ]];then
wsrep_log_error "Error while getting data from donor node: " \
"exit codes: ${RC[@]}"
exit 32
fi
done
}
if [[ ! -x `which $INNOBACKUPEX_BIN` ]];then
wsrep_log_error "innobackupex not in path: $PATH"
exit 2
fi
rm -f "${MAGIC_FILE}"
if [[ ! ${WSREP_SST_OPT_ROLE} == 'joiner' && ! ${WSREP_SST_OPT_ROLE} == 'donor' ]];then
wsrep_log_error "Invalid role ${WSREP_SST_OPT_ROLE}"
exit 22
fi
read_cnf
setup_ports
get_stream
get_transfer
if ${INNOBACKUPEX_BIN} /tmp --help | grep -q -- '--version-check'; then
disver="--no-version-check"
fi
INNOEXTRA=""
INNOAPPLY="${INNOBACKUPEX_BIN} $disver $iapts --apply-log \$rebuildcmd \${DATA} &>\${DATA}/innobackup.prepare.log"
INNOMOVE="${INNOBACKUPEX_BIN} --defaults-file=${WSREP_SST_OPT_CONF} $disver $impts --move-back --force-non-empty-directories \${DATA} &>\${DATA}/innobackup.move.log"
INNOBACKUP="${INNOBACKUPEX_BIN} --defaults-file=${WSREP_SST_OPT_CONF} $disver $iopts \$tmpopts \$INNOEXTRA --galera-info --stream=\$sfmt \$itmpdir 2>\${DATA}/innobackup.backup.log"
if [ "$WSREP_SST_OPT_ROLE" = "donor" ]
then
trap cleanup_donor EXIT
if [ $WSREP_SST_OPT_BYPASS -eq 0 ]
then
if [[ -z $(parse_cnf mysqld tmpdir "") && -z $(parse_cnf xtrabackup tmpdir "") ]];then
xtmpdir=$(mktemp -d)
tmpopts=" --tmpdir=$xtmpdir "
wsrep_log_info "Using $xtmpdir as xtrabackup temporary directory"
fi
itmpdir=$(mktemp -d)
wsrep_log_info "Using $itmpdir as innobackupex temporary directory"
if [ "${AUTH[0]}" != "(null)" ]; then
INNOEXTRA+=" --user=${AUTH[0]}"
fi
if [ ${#AUTH[*]} -eq 2 ]; then
INNOEXTRA+=" --password=${AUTH[1]}"
elif [ "${AUTH[0]}" != "(null)" ]; then
# Empty password, used for testing, debugging etc.
INNOEXTRA+=" --password="
fi
get_keys
if [[ $encrypt -eq 1 ]];then
if [[ -n $ekey ]];then
INNOEXTRA+=" --encrypt=$ealgo --encrypt-key=$ekey "
else
INNOEXTRA+=" --encrypt=$ealgo --encrypt-key-file=$ekeyfile "
fi
fi
if [[ -n $lsn ]];then
INNOEXTRA+=" --incremental --incremental-lsn=$lsn "
fi
check_extra
wsrep_log_info "Streaming GTID file before SST"
echo "${WSREP_SST_OPT_GTID}" > "${MAGIC_FILE}"
ttcmd="$tcmd"
if [[ $encrypt -eq 1 ]];then
if [[ -n $scomp ]];then
tcmd=" $ecmd | $scomp | $tcmd "
else
tcmd=" $ecmd | $tcmd "
fi
elif [[ -n $scomp ]];then
tcmd=" $scomp | $tcmd "
fi
send_donor $DATA "${stagemsg}-gtid"
tcmd="$ttcmd"
if [[ -n $progress ]];then
get_footprint
tcmd="$pcmd | $tcmd"
elif [[ -n $rlimit ]];then
adjust_progress
tcmd="$pcmd | $tcmd"
fi
wsrep_log_info "Sleeping before data transfer for SST"
sleep 10
wsrep_log_info "Streaming the backup to joiner at ${REMOTEIP} ${SST_PORT:-4444}"
if [[ -n $scomp ]];then
tcmd="$scomp | $tcmd"
fi
set +e
timeit "${stagemsg}-SST" "$INNOBACKUP | $tcmd; RC=( "\${PIPESTATUS[@]}" )"
set -e
if [ ${RC[0]} -ne 0 ]; then
wsrep_log_error "${INNOBACKUPEX_BIN} finished with error: ${RC[0]}. " \
"Check ${DATA}/innobackup.backup.log"
exit 22
elif [[ ${RC[$(( ${#RC[@]}-1 ))]} -eq 1 ]];then
wsrep_log_error "$tcmd finished with error: ${RC[1]}"
exit 22
fi
# innobackupex implicitly writes PID to fixed location in $xtmpdir
XTRABACKUP_PID="$xtmpdir/xtrabackup_pid"
else # BYPASS FOR IST
wsrep_log_info "Bypassing the SST for IST"
echo "continue" # now server can resume updating data
echo "${WSREP_SST_OPT_GTID}" > "${MAGIC_FILE}"
echo "1" > "${DATA}/${IST_FILE}"
get_keys
if [[ $encrypt -eq 1 ]];then
if [[ -n $scomp ]];then
tcmd=" $ecmd | $scomp | $tcmd "
else
tcmd=" $ecmd | $tcmd "
fi
elif [[ -n $scomp ]];then
tcmd=" $scomp | $tcmd "
fi
strmcmd+=" \${IST_FILE}"
send_donor $DATA "${stagemsg}-IST"
fi
echo "done ${WSREP_SST_OPT_GTID}"
wsrep_log_info "Total time on donor: $totime seconds"
elif [ "${WSREP_SST_OPT_ROLE}" = "joiner" ]
then
[[ -e $SST_PROGRESS_FILE ]] && wsrep_log_info "Stale sst_in_progress file: $SST_PROGRESS_FILE"
[[ -n $SST_PROGRESS_FILE ]] && touch $SST_PROGRESS_FILE
if [[ $speciald -eq 1 ]];then
ib_home_dir=$(parse_cnf mysqld innodb-data-home-dir "")
ib_log_dir=$(parse_cnf mysqld innodb-log-group-home-dir "")
if [[ -z $ib_home_dir && -z $ib_log_dir ]];then
speciald=0
fi
fi
stagemsg="Joiner-Recv"
if [[ ! -e ${DATA}/ibdata1 ]];then
incremental=0
fi
if [[ $incremental -eq 1 ]];then
wsrep_log_info "Incremental SST enabled: NOT SUPPORTED yet"
lsn=$(grep to_lsn xtrabackup_checkpoints | cut -d= -f2 | tr -d ' ')
wsrep_log_info "Recovered LSN: $lsn"
fi
sencrypted=1
nthreads=1
MODULE="xtrabackup_sst"
rm -f "${DATA}/${IST_FILE}"
# May need xtrabackup_checkpoints later on
rm -f ${DATA}/xtrabackup_binary ${DATA}/xtrabackup_galera_info ${DATA}/xtrabackup_logfile
ADDR=${WSREP_SST_OPT_ADDR}
if [ -z "${SST_PORT}" ]
then
SST_PORT=4444
ADDR="$(echo ${WSREP_SST_OPT_ADDR} | awk -F ':' '{ print $1 }'):${SST_PORT}"
fi
wait_for_listen ${SST_PORT} ${ADDR} ${MODULE} &
trap sig_joiner_cleanup HUP PIPE INT TERM
trap cleanup_joiner EXIT
if [[ -n $progress ]];then
adjust_progress
tcmd+=" | $pcmd"
fi
if [[ $incremental -eq 1 ]];then
BDATA=$DATA
DATA=$(mktemp -d)
MAGIC_FILE="${DATA}/${INFO_FILE}"
fi
get_keys
if [[ $encrypt -eq 1 && $sencrypted -eq 1 ]];then
if [[ -n $sdecomp ]];then
strmcmd=" $sdecomp | $ecmd | $strmcmd"
else
strmcmd=" $ecmd | $strmcmd"
fi
elif [[ -n $sdecomp ]];then
strmcmd=" $sdecomp | $strmcmd"
fi
STATDIR=$(mktemp -d)
MAGIC_FILE="${STATDIR}/${INFO_FILE}"
recv_joiner $STATDIR "${stagemsg}-gtid" $stimeout
if ! ps -p ${WSREP_SST_OPT_PARENT} &>/dev/null
then
wsrep_log_error "Parent mysqld process (PID:${WSREP_SST_OPT_PARENT}) terminated unexpectedly."
exit 32
fi
if [ ! -r "${STATDIR}/${IST_FILE}" ]
then
wsrep_log_info "Proceeding with SST"
if [[ $speciald -eq 1 && -d ${DATA}/.sst ]];then
wsrep_log_info "WARNING: Stale temporary SST directory: ${DATA}/.sst from previous SST"
fi
if [[ $incremental -ne 1 ]];then
if [[ $speciald -eq 1 ]];then
wsrep_log_info "Cleaning the existing datadir and innodb-data/log directories"
find $ib_home_dir $ib_log_dir $DATA -mindepth 1 -regex $cpat -prune -o -exec rm -rfv {} 1>&2 \+
else
wsrep_log_info "Cleaning the existing datadir"
find $DATA -mindepth 1 -regex $cpat -prune -o -exec rm -rfv {} 1>&2 \+
fi
tempdir=$(parse_cnf mysqld log-bin "")
if [[ -n ${tempdir:-} ]];then
binlog_dir=$(dirname $tempdir)
binlog_file=$(basename $tempdir)
if [[ -n ${binlog_dir:-} && $binlog_dir != '.' && $binlog_dir != $DATA ]];then
pattern="$binlog_dir/$binlog_file\.[0-9]+$"
wsrep_log_info "Cleaning the binlog directory $binlog_dir as well"
find $binlog_dir -maxdepth 1 -type f -regex $pattern -exec rm -fv {} 1>&2 \+
rm $binlog_dir/*.index || true
fi
fi
else
wsrep_log_info "Removing existing ib_logfile files"
rm -f ${BDATA}/ib_logfile*
fi
if [[ $speciald -eq 1 ]];then
mkdir -p ${DATA}/.sst
TDATA=${DATA}
DATA="${DATA}/.sst"
fi
MAGIC_FILE="${DATA}/${INFO_FILE}"
recv_joiner $DATA "${stagemsg}-SST" 0
get_proc
# Rebuild indexes for compact backups
if grep -q 'compact = 1' ${DATA}/xtrabackup_checkpoints;then
wsrep_log_info "Index compaction detected"
rebuild=1
fi
if [[ $rebuild -eq 1 ]];then
nthreads=$(parse_cnf xtrabackup rebuild-threads $nproc)
wsrep_log_info "Rebuilding during prepare with $nthreads threads"
rebuildcmd="--rebuild-indexes --rebuild-threads=$nthreads"
fi
if test -n "$(find ${DATA} -maxdepth 1 -type f -name '*.qp' -print -quit)";then
wsrep_log_info "Compressed qpress files found"
if [[ ! -x `which qpress` ]];then
wsrep_log_error "qpress not found in path: $PATH"
exit 22
fi
if [[ -n $progress ]] && pv --help | grep -q 'line-mode';then
count=$(find ${DATA} -type f -name '*.qp' | wc -l)
count=$(( count*2 ))
if pv --help | grep -q FORMAT;then
pvopts="-f -s $count -l -N Decompression -F '%N => Rate:%r Elapsed:%t %e Progress: [%b/$count]'"
else
pvopts="-f -s $count -l -N Decompression"
fi
pcmd="pv $pvopts"
adjust_progress
dcmd="$pcmd | xargs -n 2 qpress -T${nproc}d"
else
dcmd="xargs -n 2 qpress -T${nproc}d"
fi
# Decompress the qpress files
wsrep_log_info "Decompression with $nproc threads"
timeit "Joiner-Decompression" "find ${DATA} -type f -name '*.qp' -printf '%p\n%h\n' | $dcmd"
extcode=$?
if [[ $extcode -eq 0 ]];then
wsrep_log_info "Removing qpress files after decompression"
find ${DATA} -type f -name '*.qp' -delete
if [[ $? -ne 0 ]];then
wsrep_log_error "Something went wrong with deletion of qpress files. Investigate"
fi
else
wsrep_log_error "Decompression failed. Exit code: $extcode"
exit 22
fi
fi
if [[ ! -z $WSREP_SST_OPT_BINLOG ]];then
BINLOG_DIRNAME=$(dirname $WSREP_SST_OPT_BINLOG)
BINLOG_FILENAME=$(basename $WSREP_SST_OPT_BINLOG)
# To avoid comparing data directory and BINLOG_DIRNAME
mv $DATA/${BINLOG_FILENAME}.* $BINLOG_DIRNAME/ 2>/dev/null || true
pushd $BINLOG_DIRNAME &>/dev/null
for bfiles in $(ls -1 ${BINLOG_FILENAME}.*);do
echo ${BINLOG_DIRNAME}/${bfiles} >> ${BINLOG_FILENAME}.index
done
popd &> /dev/null
fi
if [[ $incremental -eq 1 ]];then
# Added --ibbackup=xtrabackup_55 because it fails otherwise citing connection issues.
INNOAPPLY="${INNOBACKUPEX_BIN} $disver --defaults-file=${WSREP_SST_OPT_CONF} \
--ibbackup=xtrabackup_56 --apply-log $rebuildcmd --redo-only $BDATA --incremental-dir=${DATA} &>>${BDATA}/innobackup.prepare.log"
fi
wsrep_log_info "Preparing the backup at ${DATA}"
timeit "Xtrabackup prepare stage" "$INNOAPPLY"
if [ $? -ne 0 ];
then
wsrep_log_error "${INNOBACKUPEX_BIN} apply finished with errors. Check ${DATA}/innobackup.prepare.log"
exit 22
fi
if [[ $speciald -eq 1 ]];then
MAGIC_FILE="${TDATA}/${INFO_FILE}"
set +e
rm $TDATA/innobackup.prepare.log $TDATA/innobackup.move.log
set -e
wsrep_log_info "Moving the backup to ${TDATA}"
timeit "Xtrabackup move stage" "$INNOMOVE"
if [[ $? -eq 0 ]];then
wsrep_log_info "Move successful, removing ${DATA}"
rm -rf $DATA
DATA=${TDATA}
else
wsrep_log_error "Move failed, keeping ${DATA} for further diagnosis"
wsrep_log_error "Check ${DATA}/innobackup.move.log for details"
fi
fi
if [[ $incremental -eq 1 ]];then
wsrep_log_info "Cleaning up ${DATA} after incremental SST"
[[ -d ${DATA} ]] && rm -rf ${DATA}
DATA=$BDATA
fi
else
wsrep_log_info "${IST_FILE} received from donor: Running IST"
fi
if [[ ! -r ${MAGIC_FILE} ]];then
wsrep_log_error "SST magic file ${MAGIC_FILE} not found/readable"
exit 2
fi
cat "${MAGIC_FILE}" # output UUID:seqno
wsrep_log_info "Total time on joiner: $totime seconds"
fi
exit 0
......@@ -50,7 +50,7 @@ ENDFOREACH()
IF(UNIX)
SET(prefix ${CMAKE_INSTALL_PREFIX})
FOREACH(script mysqld_multi.server mysql-log-rotate binary-configure wsrep_notify)
FOREACH(script mysqld_multi.server mysql-log-rotate binary-configure wsrep_notify)
CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/${script}.sh
${CMAKE_CURRENT_BINARY_DIR}/${script} @ONLY )
......@@ -65,7 +65,6 @@ IF(UNIX)
IF(INSTALL_SUPPORTFILESDIR)
INSTALL(FILES magic DESTINATION ${inst_location} COMPONENT SupportFiles)
INSTALL(DIRECTORY RHEL4-SElinux/ DESTINATION ${inst_location}/SELinux/RHEL4 COMPONENT SupportFiles)
INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/wsrep_notify DESTINATION ${inst_location} COMPONENT SupportFiles)
ENDIF()
INSTALL(FILES mysql.m4 DESTINATION ${INSTALL_SHAREDIR}/aclocal COMPONENT Development)
......
......@@ -52,6 +52,7 @@ datadir=
# 0 means don't wait at all
# Negative numbers mean to wait indefinitely
service_startup_timeout=900
startup_sleep=1
# Lock directory for RedHat / SuSE.
lockdir='/var/lock/subsys'
......@@ -264,13 +265,13 @@ wait_for_ready () {
fi
if test -e $sst_progress_file && [ $startup_sleep -ne 10 ];then
echo $echo_n "SST in progress, setting sleep higher"
echo $echo_n "SST in progress, setting sleep intervals to 10 seconds"
startup_sleep=10
fi
echo $echo_n ".$echo_c"
i=`expr $i + 1`
sleep 1
sleep $startup_sleep
done
......
......@@ -22,7 +22,7 @@
#binlog_format=row
#default_storage_engine=InnoDB
#innodb_autoinc_lock_mode=2
#query_cache_size=0
#bind-address=0.0.0.0
#
# Optional setting
#innodb_flush_log_at_trx_commit=0
......
# This file contains wsrep-related mysqld options. It should be included
# in the main MySQL configuration file.
#
# Options that need to be customized:
# - wsrep_provider
# - wsrep_cluster_address
# - wsrep_sst_auth
# The rest of defaults should work out of the box.
##
## mysqld options _MANDATORY_ for correct opration of the cluster
##
[mysqld]
# (This must be substituted by wsrep_format)
binlog_format=ROW
# Currently only InnoDB storage engine is supported
default-storage-engine=innodb
# to avoid issues with 'bulk mode inserts' using autoinc
innodb_autoinc_lock_mode=2
# This is a must for paralell applying
innodb_locks_unsafe_for_binlog=1
# Query Cache is not supported with wsrep
query_cache_size=0
query_cache_type=0
# Override bind-address
# In some systems bind-address defaults to 127.0.0.1, and with mysqldump SST
# it will have (most likely) disastrous consequences on donor node
bind-address=0.0.0.0
##
## WSREP options
##
# Full path to wsrep provider library or 'none'
wsrep_provider=none
# Provider specific configuration options
#wsrep_provider_options=
# Logical cluster name. Should be the same for all nodes.
wsrep_cluster_name="my_wsrep_cluster"
# Group communication system handle
#wsrep_cluster_address="dummy://"
# Human-readable node name (non-unique). Hostname by default.
#wsrep_node_name=
# Base replication <address|hostname>[:port] of the node.
# The values supplied will be used as defaults for state transfer receiving,
# listening ports and so on. Default: address of the first network interface.
#wsrep_node_address=
# Address for incoming client connections. Autodetect by default.
#wsrep_node_incoming_address=
# How many threads will process writesets from other nodes
wsrep_slave_threads=1
# DBUG options for wsrep provider
#wsrep_dbug_option
# Generate fake primary keys for non-PK tables (required for multi-master
# and parallel applying operation)
wsrep_certify_nonPK=1
# Maximum number of rows in write set
wsrep_max_ws_rows=131072
# Maximum size of write set
wsrep_max_ws_size=1073741824
# to enable debug level logging, set this to 1
wsrep_debug=0
# convert locking sessions into transactions
wsrep_convert_LOCK_to_trx=0
# how many times to retry deadlocked autocommits
wsrep_retry_autocommit=1
# change auto_increment_increment and auto_increment_offset automatically
wsrep_auto_increment_control=1
# retry autoinc insert, which failed for duplicate key error
wsrep_drupal_282555_workaround=0
# enable "strictly synchronous" semantics for read operations
wsrep_causal_reads=0
# Command to call when node status or cluster membership changes.
# Will be passed all or some of the following options:
# --status - new status of this node
# --uuid - UUID of the cluster
# --primary - whether the component is primary or not ("yes"/"no")
# --members - comma-separated list of members
# --index - index of this node in the list
wsrep_notify_cmd=
##
## WSREP State Transfer options
##
# State Snapshot Transfer method
wsrep_sst_method=rsync
# Address which donor should send State Snapshot to.
# Should be the address of THIS node. DON'T SET IT TO DONOR ADDRESS!!!
# (SST method dependent. Defaults to the first IP of the first interface)
#wsrep_sst_receive_address=
# SST authentication string. This will be used to send SST to joining nodes.
# Depends on SST method. For mysqldump method it is root:<root password>
wsrep_sst_auth=root:
# Desired SST donor name.
#wsrep_sst_donor=
# Reject client queries when donating SST (false)
#wsrep_sst_donor_rejects_queries=0
# Protocol version to use
# wsrep_protocol_version=
# This file contains wsrep-related mysqld options. It should be included
# in the main MySQL configuration file.
#
# Options that need to be customized:
# - wsrep_provider
# - wsrep_cluster_address
# - wsrep_sst_auth
# The rest of defaults should work out of the box.
##
## mysqld options _MANDATORY_ for correct opration of the cluster
##
[mysqld]
# (This must be substituted by wsrep_format)
binlog_format=ROW
# Currently only InnoDB storage engine is supported
default-storage-engine=innodb
# to avoid issues with 'bulk mode inserts' using autoinc
innodb_autoinc_lock_mode=2
# This is a must for paralell applying
innodb_locks_unsafe_for_binlog=1
# Query Cache is not supported with wsrep
query_cache_size=0
query_cache_type=0
# Override bind-address
# In some systems bind-address defaults to 127.0.0.1, and with mysqldump SST
# it will have (most likely) disastrous consequences on donor node
bind-address=0.0.0.0
##
## WSREP options
##
# Full path to wsrep provider library or 'none'
wsrep_provider=none
# Provider specific configuration options
#wsrep_provider_options=
# Logical cluster name. Should be the same for all nodes.
wsrep_cluster_name="my_wsrep_cluster"
# Group communication system handle
#wsrep_cluster_address="dummy://"
# Human-readable node name (non-unique). Hostname by default.
#wsrep_node_name=
# Base replication <address|hostname>[:port] of the node.
# The values supplied will be used as defaults for state transfer receiving,
# listening ports and so on. Default: address of the first network interface.
#wsrep_node_address=
# Address for incoming client connections. Autodetect by default.
#wsrep_node_incoming_address=
# How many threads will process writesets from other nodes
wsrep_slave_threads=1
# DBUG options for wsrep provider
#wsrep_dbug_option
# Generate fake primary keys for non-PK tables (required for multi-master
# and parallel applying operation)
wsrep_certify_nonPK=1
# Maximum number of rows in write set
wsrep_max_ws_rows=131072
# Maximum size of write set
wsrep_max_ws_size=1073741824
# to enable debug level logging, set this to 1
wsrep_debug=0
# convert locking sessions into transactions
wsrep_convert_LOCK_to_trx=0
# how many times to retry deadlocked autocommits
wsrep_retry_autocommit=1
# change auto_increment_increment and auto_increment_offset automatically
wsrep_auto_increment_control=1
# retry autoinc insert, which failed for duplicate key error
wsrep_drupal_282555_workaround=0
# enable "strictly synchronous" semantics for read operations
wsrep_causal_reads=0
# Command to call when node status or cluster membership changes.
# Will be passed all or some of the following options:
# --status - new status of this node
# --uuid - UUID of the cluster
# --primary - whether the component is primary or not ("yes"/"no")
# --members - comma-separated list of members
# --index - index of this node in the list
wsrep_notify_cmd=
##
## WSREP State Transfer options
##
# State Snapshot Transfer method
wsrep_sst_method=rsync
# Address which donor should send State Snapshot to.
# Should be the address of THIS node. DON'T SET IT TO DONOR ADDRESS!!!
# (SST method dependent. Defaults to the first IP of the first interface)
#wsrep_sst_receive_address=
# SST authentication string. This will be used to send SST to joining nodes.
# Depends on SST method. For mysqldump method it is root:<root password>
wsrep_sst_auth=root:
# Desired SST donor name.
#wsrep_sst_donor=
# Reject client queries when donating SST (false)
#wsrep_sst_donor_rejects_queries=0
# Protocol version to use
# wsrep_protocol_version=
#!/bin/sh -eu
# This is a simple example of wsrep notification script (wsrep_notify_cmd).
# It will create 'wsrep' schema and two tables in it: 'membeship' and 'status'
# and fill them on every membership or node status change.
#
# Edit parameters below to specify the address and login to server.
USER=root
PSWD=rootpass
HOST=127.0.0.1
PORT=3306
SCHEMA="wsrep"
MEMB_TABLE="$SCHEMA.membership"
STATUS_TABLE="$SCHEMA.status"
BEGIN="
SET wsrep_on=0;
DROP SCHEMA IF EXISTS $SCHEMA; CREATE SCHEMA $SCHEMA;
CREATE TABLE $MEMB_TABLE (
idx INT UNIQUE PRIMARY KEY,
uuid CHAR(40) UNIQUE, /* node UUID */
name VARCHAR(32), /* node name */
addr VARCHAR(256) /* node address */
) ENGINE=MEMORY;
CREATE TABLE $STATUS_TABLE (
size INT, /* component size */
idx INT, /* this node index */
status CHAR(16), /* this node status */
uuid CHAR(40), /* cluster UUID */
prim BOOLEAN /* if component is primary */
) ENGINE=MEMORY;
BEGIN;
DELETE FROM $MEMB_TABLE;
DELETE FROM $STATUS_TABLE;
"
END="COMMIT;"
configuration_change()
{
echo "$BEGIN;"
local idx=0
for NODE in $(echo $MEMBERS | sed s/,/\ /g)
do
echo "INSERT INTO $MEMB_TABLE VALUES ( $idx, "
# Don't forget to properly quote string values
echo "'$NODE'" | sed s/\\//\',\'/g
echo ");"
idx=$(( $idx + 1 ))
done
echo "INSERT INTO $STATUS_TABLE VALUES($idx, $INDEX, '$STATUS', '$CLUSTER_UUID', $PRIMARY);"
echo "$END"
}
status_update()
{
echo "SET wsrep_on=0; BEGIN; UPDATE $STATUS_TABLE SET status='$STATUS'; COMMIT;"
}
COM=status_update # not a configuration change by default
while [ $# -gt 0 ]
do
case $1 in
--status)
STATUS=$2
shift
;;
--uuid)
CLUSTER_UUID=$2
shift
;;
--primary)
[ "$2" = "yes" ] && PRIMARY="1" || PRIMARY="0"
COM=configuration_change
shift
;;
--index)
INDEX=$2
shift
;;
--members)
MEMBERS=$2
shift
;;
esac
shift
done
# Undefined means node is shutting down
if [ "$STATUS" != "Undefined" ]
then
$COM | mysql -B -u$USER -p$PSWD -h$HOST -P$PORT
fi
exit 0
#
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