| Current File : //bin/wsrep_sst_mariabackup |
#!/bin/bash -ue
# Copyright (C) 2013 Percona Inc
# Copyright (C) 2017-2020 MariaDB
#
# 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 02110-1335 USA.
# Documentation:
# http://www.percona.com/doc/percona-xtradb-cluster/manual/xtrabackup_sst.html
# Make sure to read that before proceeding!
. $(dirname $0)/wsrep_sst_common
OS=$(uname)
ealgo=""
ekey=""
ekeyfile=""
encrypt=0
nproc=1
ecode=0
ssyslog=""
ssystag=""
XTRABACKUP_PID=""
SST_PORT=""
REMOTEIP=""
tcert=""
tpem=""
tkey=""
sockopt=""
progress=""
ttime=0
totime=0
lsn=""
ecmd=""
rlimit=""
# Initially
stagemsg="${WSREP_SST_OPT_ROLE}"
cpat=""
speciald=1
ib_home_dir=""
ib_log_dir=""
ib_undo_dir=""
sfmt="tar"
strmcmd=""
tfmt=""
tcmd=""
payload=0
pvformat="-F '%N => Rate:%r Avg:%a Elapsed:%t %e Bytes: %b %p' "
pvopts="-f -i 10 -N $WSREP_SST_OPT_ROLE "
STATDIR=""
uextra=0
disver=""
tmpopts=""
itmpdir=""
xtmpdir=""
scomp=""
sdecomp=""
# Required for backup locks
# For backup locks it is 1 sent by joiner
# 5.6.21 PXC and later can't donate to an older joiner
sst_ver=1
if pv --help 2>/dev/null | grep -q FORMAT;then
pvopts+=$pvformat
fi
pcmd="pv $pvopts"
declare -a RC
set +e
INNOBACKUPEX_BIN=$(which mariabackup)
if test -z $INNOBACKUPEX_BIN
then
wsrep_log_error 'mariabackup binary not found in $PATH'
exit 42
fi
set -e
XBSTREAM_BIN=mbstream
XBCRYPT_BIN=xbcrypt # Not available in MariaBackup
DATA="${WSREP_SST_OPT_DATA}"
INFO_FILE="xtrabackup_galera_info"
IST_FILE="xtrabackup_ist"
MAGIC_FILE="${DATA}/${INFO_FILE}"
INNOAPPLYLOG="${DATA}/mariabackup.prepare.log"
INNOMOVELOG="${DATA}/mariabackup.move.log"
INNOBACKUPLOG="${DATA}/mariabackup.backup.log"
# Setting the path for ss and ip
export PATH="/usr/sbin:/sbin:$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 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_BIN} --encrypt-algo=$ealgo --encrypt-key-file=$ekeyfile"
else
ecmd="${XBCRYPT_BIN} --encrypt-algo=$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 [[ $tfmt == 'nc' ]];then
wsrep_check_programs nc
wsrep_log_info "Using netcat as streamer"
if [[ "$WSREP_SST_OPT_ROLE" == "joiner" ]];then
if nc -h 2>&1 | grep -q ncat;then
# Ncat
tcmd="nc -l ${TSST_PORT}"
elif nc -h 2>&1 | grep -qw -- '-d\>';then
# Debian netcat
if [ $WSREP_SST_OPT_HOST_IPv6 -eq 1 ];then
# When host is not explicitly specified (when only the port
# is specified) netcat can only bind to an IPv4 address if
# the "-6" option is not explicitly specified:
tcmd="nc -dl -6 ${TSST_PORT}"
else
tcmd="nc -dl ${TSST_PORT}"
fi
else
# traditional netcat
tcmd="nc -l -p ${TSST_PORT}"
fi
else
# Check to see if netcat supports the '-N' flag.
# -N Shutdown the network socket after EOF on stdin
# If it supports the '-N' flag, then we need to use the '-N'
# flag, otherwise the transfer will stay open after the file
# transfer and cause the command to timeout.
# Older versions of netcat did not need this flag and will
# return an error if the flag is used.
#
tcmd_extra=""
if nc -h 2>&1 | grep -qw -- -N; then
tcmd_extra+="-N"
wsrep_log_info "Using nc -N"
fi
# netcat doesn't understand [] around IPv6 address
if nc -h 2>&1 | grep -q ncat;then
# Ncat
wsrep_log_info "Using Ncat as streamer"
tcmd="nc ${tcmd_extra} ${WSREP_SST_OPT_HOST_UNESCAPED} ${TSST_PORT}"
elif nc -h 2>&1 | grep -qw -- '-d\>';then
# Debian netcat
wsrep_log_info "Using Debian netcat as streamer"
tcmd="nc ${tcmd_extra} ${WSREP_SST_OPT_HOST_UNESCAPED} ${TSST_PORT}"
else
# traditional netcat
wsrep_log_info "Using traditional netcat as streamer"
tcmd="nc -q0 ${tcmd_extra} ${WSREP_SST_OPT_HOST_UNESCAPED} ${TSST_PORT}"
fi
fi
else
tfmt='socat'
wsrep_check_programs socat
wsrep_log_info "Using socat as streamer"
if [[ $encrypt -eq 2 || $encrypt -eq 3 ]] && ! socat -V | grep -q "WITH_OPENSSL 1";then
wsrep_log_error "Encryption requested, but socat is not OpenSSL enabled (encrypt=$encrypt)"
exit 2
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 cert=${tpem}, cafile=${tcert}"
tcmd="socat -u openssl-listen:${TSST_PORT},reuseaddr,cert=${tpem},cafile=${tcert}${sockopt} stdio"
else
wsrep_log_info "Encrypting with cert=${tpem}, cafile=${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
if [[ -z $tcert ]];then
wsrep_log_info "Decrypting with cert=${tpem}, key=${tkey}, verify=0"
tcmd="socat -u openssl-listen:${TSST_PORT},reuseaddr,cert=${tpem},key=${tkey},verify=0${sockopt} stdio"
else
wsrep_log_info "Decrypting with cert=${tpem}, key=${tkey}, cafile=${tcert}"
tcmd="socat -u openssl-listen:${TSST_PORT},reuseaddr,cert=${tpem},key=${tkey},cafile=${tcert}${sockopt} stdio"
fi
else
if [[ -z $tcert ]];then
wsrep_log_info "Encrypting with cert=${tpem}, key=${tkey}, verify=0"
tcmd="socat -u stdio openssl-connect:${REMOTEIP}:${TSST_PORT},cert=${tpem},key=${tkey},verify=0${sockopt}"
else
wsrep_log_info "Encrypting with cert=${tpem}, key=${tkey}, cafile=${tcert}"
tcmd="socat -u stdio openssl-connect:${REMOTEIP}:${TSST_PORT},cert=${tpem},key=${tkey},cafile=${tcert}${sockopt}"
fi
fi
else
if [[ "$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=$2
# print the default settings for given group using my_print_default.
# normalize the variable names specified in cnf file (user can use _ or - for example log-bin or log_bin)
# then grep for needed variable
# finally get the variable value (if variables has been specified multiple time use the last value only)
reval=$($MY_PRINT_DEFAULTS $group | awk -F= '{if ($1 ~ /_/) { gsub(/_/,"-",$1); print $1"="$2 } else { print $0 }}' | grep -- "--$var=" | cut -d= -f2- | tail -1)
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 | du --files0-from=- --block-size=1 -c | awk 'END { print $1 }')
if $MY_PRINT_DEFAULTS xtrabackup | grep -q -- "--compress";then
# QuickLZ has around 50% compression ratio
# When compression/compaction used, the progress is only an approximate.
payload=$(( payload*1/2 ))
fi
popd 1>/dev/null
pcmd+=" -s $payload"
adjust_progress
}
adjust_progress()
{
if ! command -v pv >/dev/null;then
wsrep_log_error "pv not found in path: $PATH"
wsrep_log_error "Disabling all progress/rate-limiting"
pcmd=""
rlimit=""
progress=""
return
fi
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=$(parse_cnf sst progress "")
ttime=$(parse_cnf sst time 0)
cpat=$(parse_cnf sst cpat '.*galera\.cache$\|.*sst_in_progress$\|.*\.sst$\|.*gvwstate\.dat$\|.*grastate\.dat$\|.*\.err$\|.*\.log$\|.*RPM_UPGRADE_MARKER$\|.*RPM_UPGRADE_HISTORY$')
[[ $OS == "FreeBSD" ]] && cpat=$(parse_cnf sst cpat '.*galera\.cache$|.*sst_in_progress$|.*\.sst$|.*gvwstate\.dat$|.*grastate\.dat$|.*\.err$|.*\.log$|.*RPM_UPGRADE_MARKER$|.*RPM_UPGRADE_HISTORY$')
ealgo=$(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=$(parse_cnf sst sst-initial-timeout 300)
ssyslog=$(parse_cnf sst sst-syslog 0)
ssystag=$(parse_cnf mysqld_safe syslog-tag "${SST_SYSLOG_TAG:-}")
ssystag+="-"
sstlogarchive=$(parse_cnf sst sst-log-archive 1)
sstlogarchivedir=$(parse_cnf sst sst-log-archive-dir "/tmp/sst_log_archive")
if [[ $speciald -eq 0 ]];then
wsrep_log_error "sst-special-dirs equal to 0 is not supported, falling back to 1"
speciald=1
fi
if [[ $ssyslog -ne -1 ]];then
if $MY_PRINT_DEFAULTS mysqld_safe | tr '_' '-' | grep -q -- "--syslog";then
ssyslog=1
fi
fi
if [[ $encrypt -eq 1 ]]; then
wsrep_log_error "Xtrabackup-based encryption is currently not" \
"supported with MariaBackup"
exit 2
fi
}
get_stream()
{
if [[ $sfmt == 'mbstream' || $sfmt == 'xbstream' ]];then
wsrep_log_info "Streaming with ${sfmt}"
if [[ "$WSREP_SST_OPT_ROLE" == "joiner" ]];then
strmcmd="${XBSTREAM_BIN} -x"
else
strmcmd="${XBSTREAM_BIN} -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"
elif [ "${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 $STATDIR
fi
# Final cleanup
pgid=$(ps -o pgid= $$ | grep -o '[0-9]*')
# This means no setsid done in mysqld.
# We don't want to kill mysqld here otherwise.
if [[ $$ -eq $pgid ]];then
# This means a signal was delivered to the process.
# So, more cleanup.
if [[ $estatus -ge 128 ]];then
kill -KILL -$$ || true
fi
fi
exit $estatus
}
check_pid()
{
local pid_file="$1"
[ -r "$pid_file" ] && ps -p $(cat "$pid_file") >/dev/null 2>&1
}
cleanup_donor()
{
# Since this is invoked just after exit NNN
local estatus=$?
if [[ $estatus -ne 0 ]];then
wsrep_log_error "Cleanup after exit with status:$estatus"
fi
if [[ -n ${XTRABACKUP_PID:-} ]];then
if check_pid $XTRABACKUP_PID
then
wsrep_log_error "xtrabackup process is still running. Killing..."
kill_xtrabackup
fi
fi
rm -f ${DATA}/${IST_FILE} || true
if [[ -n $progress && -p $progress ]];then
wsrep_log_info "Cleaning up fifo file $progress"
rm -f $progress || true
fi
wsrep_log_info "Cleaning up temporary directories"
if [[ -n $xtmpdir ]];then
[[ -d $xtmpdir ]] && rm -rf $xtmpdir || true
fi
if [[ -n $itmpdir ]];then
[[ -d $itmpdir ]] && rm -rf $itmpdir || true
fi
# Final cleanup
pgid=$(ps -o pgid= $$ | grep -o '[0-9]*')
# This means no setsid done in mysqld.
# We don't want to kill mysqld here otherwise.
if [[ $$ -eq $pgid ]];then
# This means a signal was delivered to the process.
# So, more cleanup.
if [[ $estatus -ge 128 ]];then
kill -KILL -$$ || true
fi
fi
exit $estatus
}
kill_xtrabackup()
{
local PID=$(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()
{
SST_PORT=${WSREP_SST_OPT_ADDR_PORT}
if [[ "$WSREP_SST_OPT_ROLE" == "donor" ]];then
REMOTEIP=${WSREP_SST_OPT_HOST}
lsn=${WSREP_SST_OPT_LSN}
sst_ver=${WSREP_SST_OPT_SST_VER}
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=$3
for i in {1..50}
do
if [ "$OS" = "FreeBSD" ];then
sockstat -46lp $PORT | grep -qE "^[^ ]* *(socat|nc) *[^ ]* *[^ ]* *[^ ]* *[^ ]*:$PORT" && break
else
ss -p state listening "( sport = :$PORT )" | grep -qE 'socat|nc' && break
fi
sleep 0.2
done
echo "ready ${ADDR}/${MODULE}//$sst_ver"
}
check_extra()
{
local use_socket=1
if [[ $uextra -eq 1 ]];then
if $MY_PRINT_DEFAULTS --mysqld | tr '_' '-' | grep -- "--thread-handling=" | grep -q 'pool-of-threads';then
local eport=$($MY_PRINT_DEFAULTS --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 checkf=$4
local ltcmd
if [[ ! -d ${dir} ]];then
# This indicates that IST is in progress
return
fi
pushd ${dir} 1>/dev/null
set +e
if [[ $tmt -gt 0 ]] && command -v timeout >/dev/null;then
if timeout --help | grep -q -- '-k';then
ltcmd="timeout -k $(( tmt+10 )) $tmt $tcmd"
else
ltcmd="timeout -s9 $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 receiving first data from "
"donor in gtid stage: exit codes: ${RC[@]}"
exit 32
fi
for ecode in "${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 [[ $checkf -eq 1 && ! -r "${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
}
monitor_process()
{
local sst_stream_pid=$1
while true ; do
if ! ps -p "${WSREP_SST_OPT_PARENT}" &>/dev/null; then
wsrep_log_error "Parent mysqld process (PID:${WSREP_SST_OPT_PARENT}) terminated unexpectedly."
exit 32
fi
if ! ps -p "${sst_stream_pid}" &>/dev/null; then
break
fi
sleep 0.1
done
}
wsrep_check_programs "$INNOBACKUPEX_BIN"
rm -f "${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
if ${INNOBACKUPEX_BIN} /tmp --help 2>/dev/null | grep -q -- '--version-check'; then
disver="--no-version-check"
fi
iopts+=" --databases-exclude=\"lost+found\""
if [[ ${FORCE_FTWRL:-0} -eq 1 ]];then
wsrep_log_info "Forcing FTWRL due to environment variable FORCE_FTWRL equal to $FORCE_FTWRL"
iopts+=" --no-backup-locks"
fi
INNOEXTRA=
INNODB_DATA_HOME_DIR=${INNODB_DATA_HOME_DIR:-""}
# Try to set INNODB_DATA_HOME_DIR from the command line:
if [ ! -z "$INNODB_DATA_HOME_DIR_ARG" ]; then
INNODB_DATA_HOME_DIR=$INNODB_DATA_HOME_DIR_ARG
fi
# if no command line arg and INNODB_DATA_HOME_DIR environment variable
# is not set, try to get it from my.cnf:
if [ -z "$INNODB_DATA_HOME_DIR" ]; then
INNODB_DATA_HOME_DIR=$(parse_cnf mysqld$WSREP_SST_OPT_SUFFIX_VALUE innodb-data-home-dir '')
fi
if [ -z "$INNODB_DATA_HOME_DIR" ]; then
INNODB_DATA_HOME_DIR=$(parse_cnf --mysqld innodb-data-home-dir '')
fi
if [ ! -z "$INNODB_DATA_HOME_DIR" ]; then
INNOEXTRA+=" --innodb-data-home-dir=$INNODB_DATA_HOME_DIR"
fi
if [ -n "$INNODB_DATA_HOME_DIR" ]; then
# handle both relative and absolute paths
INNODB_DATA_HOME_DIR=$(cd $DATA; mkdir -p "$INNODB_DATA_HOME_DIR"; cd $INNODB_DATA_HOME_DIR; pwd -P)
else
# default to datadir
INNODB_DATA_HOME_DIR=$(cd $DATA; pwd -P)
fi
if [[ $ssyslog -eq 1 ]];then
if ! command -v logger >/dev/null;then
wsrep_log_error "logger not in path: $PATH. Ignoring"
else
wsrep_log_info "Logging all stderr of SST/Innobackupex to syslog"
exec 2> >(logger -p daemon.err -t ${ssystag}wsrep-sst-$WSREP_SST_OPT_ROLE)
wsrep_log_error()
{
logger -p daemon.err -t ${ssystag}wsrep-sst-$WSREP_SST_OPT_ROLE "$@"
}
wsrep_log_info()
{
logger -p daemon.info -t ${ssystag}wsrep-sst-$WSREP_SST_OPT_ROLE "$@"
}
INNOAPPLY="${INNOBACKUPEX_BIN} --prepare $disver $iapts \$INNOEXTRA --target-dir=\${DATA} --mysqld-args \$WSREP_SST_OPT_MYSQLD 2>&1 | logger -p daemon.err -t ${ssystag}innobackupex-apply"
INNOMOVE="${INNOBACKUPEX_BIN} ${WSREP_SST_OPT_CONF} --move-back $disver $impts --force-non-empty-directories --target-dir=\${DATA} 2>&1 | logger -p daemon.err -t ${ssystag}innobackupex-move"
INNOBACKUP="${INNOBACKUPEX_BIN} ${WSREP_SST_OPT_CONF} --backup $disver $iopts \$tmpopts \$INNOEXTRA --galera-info --stream=\$sfmt --target-dir=\$itmpdir --mysqld-args \$WSREP_SST_OPT_MYSQLD 2> >(logger -p daemon.err -t ${ssystag}innobackupex-backup)"
fi
else
if [[ "$sstlogarchive" -eq 1 ]]
then
ARCHIVETIMESTAMP=$(date "+%Y.%m.%d-%H.%M.%S.%N")
newfile=""
if [[ ! -z "$sstlogarchivedir" ]]
then
if [[ ! -d "$sstlogarchivedir" ]]
then
mkdir -p "$sstlogarchivedir"
fi
fi
if [ -e "${INNOAPPLYLOG}" ]
then
if [[ ! -z "$sstlogarchivedir" ]]
then
newfile=$sstlogarchivedir/$(basename "${INNOAPPLYLOG}").${ARCHIVETIMESTAMP}
else
newfile=${INNOAPPLYLOG}.${ARCHIVETIMESTAMP}
fi
wsrep_log_info "Moving ${INNOAPPLYLOG} to ${newfile}"
mv "${INNOAPPLYLOG}" "${newfile}"
gzip "${newfile}"
fi
if [ -e "${INNOMOVELOG}" ]
then
if [[ ! -z "$sstlogarchivedir" ]]
then
newfile=$sstlogarchivedir/$(basename "${INNOMOVELOG}").${ARCHIVETIMESTAMP}
else
newfile=${INNOMOVELOG}.${ARCHIVETIMESTAMP}
fi
wsrep_log_info "Moving ${INNOMOVELOG} to ${newfile}"
mv "${INNOMOVELOG}" "${newfile}"
gzip "${newfile}"
fi
if [ -e "${INNOBACKUPLOG}" ]
then
if [[ ! -z "$sstlogarchivedir" ]]
then
newfile=$sstlogarchivedir/$(basename "${INNOBACKUPLOG}").${ARCHIVETIMESTAMP}
else
newfile=${INNOBACKUPLOG}.${ARCHIVETIMESTAMP}
fi
wsrep_log_info "Moving ${INNOBACKUPLOG} to ${newfile}"
mv "${INNOBACKUPLOG}" "${newfile}"
gzip "${newfile}"
fi
fi
INNOAPPLY="${INNOBACKUPEX_BIN} --prepare $disver $iapts \$INNOEXTRA --target-dir=\${DATA} --mysqld-args \$WSREP_SST_OPT_MYSQLD &> ${INNOAPPLYLOG}"
INNOMOVE="${INNOBACKUPEX_BIN} ${WSREP_SST_OPT_CONF} --move-back $disver $impts --move-back --force-non-empty-directories --target-dir=\${DATA} &> ${INNOMOVELOG}"
INNOBACKUP="${INNOBACKUPEX_BIN} ${WSREP_SST_OPT_CONF} --backup $disver $iopts \$tmpopts \$INNOEXTRA --galera-info --stream=\$sfmt --target-dir=\$itmpdir --mysqld-args \$WSREP_SST_OPT_MYSQLD 2> ${INNOBACKUPLOG}"
fi
get_stream
get_transfer
if [ "$WSREP_SST_OPT_ROLE" = "donor" ]
then
trap cleanup_donor EXIT
if [ $WSREP_SST_OPT_BYPASS -eq 0 ]
then
usrst=0
if [[ -z $sst_ver ]];then
wsrep_log_error "Upgrade joiner to 5.6.21 or higher for backup locks support"
wsrep_log_error "The joiner is not supported for this version of donor"
exit 93
fi
if [[ -z $(parse_cnf mysqld$WSREP_SST_OPT_SUFFIX_VALUE tmpdir "") && \
-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 $itmpdir as innobackupex temporary directory"
if [[ -n "${WSREP_SST_OPT_USER:-}" && "$WSREP_SST_OPT_USER" != "(null)" ]]; then
INNOEXTRA+=" --user=$WSREP_SST_OPT_USER"
usrst=1
fi
if [ -n "${WSREP_SST_OPT_PSWD:-}" ]; then
INNOEXTRA+=" --password=$WSREP_SST_OPT_PSWD"
elif [[ $usrst -eq 1 ]];then
# Empty password, used for testing, debugging etc.
INNOEXTRA+=" --password="
fi
check_extra
wsrep_log_info "Streaming GTID file before SST"
# Store donor's wsrep GTID (state ID) and wsrep_gtid_domain_id
# (separated by a space).
echo "${WSREP_SST_OPT_GTID} ${WSREP_SST_OPT_GTID_DOMAIN_ID}" > "${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 syslog or ${INNOBACKUPLOG} for details"
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
# Store donor's wsrep GTID (state ID) and wsrep_gtid_domain_id
# (separated by a space).
echo "${WSREP_SST_OPT_GTID} ${WSREP_SST_OPT_GTID_DOMAIN_ID}" > "${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 $SST_PROGRESS_FILE
ib_home_dir=$INNODB_DATA_HOME_DIR
WSREP_LOG_DIR=${WSREP_LOG_DIR:-""}
# Try to set WSREP_LOG_DIR from the command line:
if [ ! -z "$INNODB_LOG_GROUP_HOME_ARG" ]; then
WSREP_LOG_DIR=$INNODB_LOG_GROUP_HOME_ARG
fi
# if no command line arg and WSREP_LOG_DIR is not set,
# try to get it from my.cnf:
if [ -z "$WSREP_LOG_DIR" ]; then
WSREP_LOG_DIR=$(parse_cnf mysqld$WSREP_SST_OPT_SUFFIX_VALUE innodb-log-group-home-dir '')
fi
if [ -z "$WSREP_LOG_DIR" ]; then
WSREP_LOG_DIR=$(parse_cnf --mysqld innodb-log-group-home-dir '')
fi
ib_log_dir=$WSREP_LOG_DIR
# Try to set ib_undo_dir from the command line:
ib_undo_dir=${INNODB_UNDO_DIR_ARG:-""}
# if no command line arg then try to get it from my.cnf:
if [ -z "$ib_undo_dir" ]; then
ib_undo_dir=$(parse_cnf mysqld$WSREP_SST_OPT_SUFFIX_VALUE innodb-undo-directory "")
fi
if [ -z "$ib_undo_dir" ]; then
ib_undo_dir=$(parse_cnf --mysqld innodb-undo-directory "")
fi
stagemsg="Joiner-Recv"
sencrypted=1
nthreads=1
MODULE="xtrabackup_sst"
rm -f "${DATA}/${IST_FILE}"
# May need xtrabackup_checkpoints later on
rm -f ${DATA}/xtrabackup_binary ${DATA}/xtrabackup_galera_info ${DATA}/ib_logfile0
ADDR=${WSREP_SST_OPT_ADDR}
if [ -z "${SST_PORT}" ]
then
SST_PORT=4444
if [ "${ADDR#\[}" != "$ADDR" ]; then
ADDR="$(echo ${WSREP_SST_OPT_ADDR} | awk -F '\\]:' '{ print $1 }')]:${SST_PORT}"
else
ADDR="$(echo ${WSREP_SST_OPT_ADDR} | awk -F ':' '{ print $1 }'):${SST_PORT}"
fi
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
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 1
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
if [[ -d ${DATA}/.sst ]];then
wsrep_log_info "WARNING: Stale temporary SST directory: ${DATA}/.sst from previous state transfer. Removing"
rm -rf ${DATA}/.sst
fi
mkdir -p ${DATA}/.sst
(recv_joiner $DATA/.sst "${stagemsg}-SST" 0 0) &
jpid=$!
wsrep_log_info "Proceeding with SST"
wsrep_log_info "Cleaning the existing datadir and innodb-data/log directories"
if [ "${OS}" = "FreeBSD" ]; then
find -E $ib_home_dir $ib_log_dir $ib_undo_dir $DATA -mindepth 1 -prune -regex $cpat -o -exec rm -rfv {} 1>&2 \+
else
find $ib_home_dir $ib_log_dir $ib_undo_dir $DATA -mindepth 1 -prune -regex $cpat -o -exec rm -rfv {} 1>&2 \+
fi
tempdir=$LOG_BIN_ARG
if [ -z "$tempdir" ]; then
tempdir=$(parse_cnf mysqld$WSREP_SST_OPT_SUFFIX_VALUE log-bin "")
fi
if [ -z "$tempdir" ]; then
tempdir=$(parse_cnf --mysqld log-bin "")
fi
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 \+ || true
rm $binlog_dir/*.index || true
fi
fi
TDATA=${DATA}
DATA="${DATA}/.sst"
MAGIC_FILE="${DATA}/${INFO_FILE}"
wsrep_log_info "Waiting for SST streaming to complete!"
monitor_process $jpid
get_proc
if [[ ! -s ${DATA}/xtrabackup_checkpoints ]];then
wsrep_log_error "xtrabackup_checkpoints missing, failed innobackupex/SST on donor"
exit 2
fi
if test -n "$(find ${DATA} -maxdepth 1 -type f -name '*.qp' -print -quit)";then
wsrep_log_info "Compressed qpress files found"
if ! command -v qpress >/dev/null;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}.[0-9]*);do
echo ${BINLOG_DIRNAME}/${bfiles} >> ${BINLOG_FILENAME}.index
done
popd &> /dev/null
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 syslog or ${INNOAPPLYLOG} for details"
exit 22
fi
MAGIC_FILE="${TDATA}/${INFO_FILE}"
set +e
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 syslog or ${INNOMOVELOG} for details"
exit 22
fi
else
wsrep_log_info "${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
wsrep_log_info "Galera co-ords from recovery: $(cat ${MAGIC_FILE})"
cat "${MAGIC_FILE}" # Output : UUID:seqno wsrep_gtid_domain_id
wsrep_log_info "Total time on joiner: $totime seconds"
fi
exit 0