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#!/bin/bash -ue
# Copyright (C) 2017-2021 MariaDB
# 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 02110-1335 USA.
# Documentation:
# https://mariadb.com/kb/en/mariabackup-overview/
# https://www.percona.com/doc/percona-xtradb-cluster/manual/xtrabackup_sst.html
# Make sure to read that before proceeding!
OS="$(uname)"
. $(dirname "$0")/wsrep_sst_common
wsrep_check_datadir
ealgo=""
eformat=""
ekey=""
ekeyfile=""
encrypt=0
ssyslog=""
ssystag=""
BACKUP_PID=""
tcert=""
tcap=""
tpem=""
tkey=""
tmode=""
sockopt=""
progress=""
ttime=0
totime=0
lsn=""
ecmd=""
rlimit=""
# Initially
stagemsg="$WSREP_SST_OPT_ROLE"
cpat=""
speciald=1
ib_home_dir=""
ib_log_dir=""
ib_undo_dir=""
sfmt=""
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 $WSREP_SST_OPT_ROLE"
STATDIR=""
uextra=0
disver=""
tmpopts=""
itmpdir=""
xtmpdir=""
scomp=""
sdecomp=""
ssl_dhparams=""
compress='none'
compress_chunk=""
compress_threads=""
backup_threads=""
encrypt_threads=""
encrypt_chunk=""
readonly SECRET_TAG="secret"
sst_ver=-1
if [ -n "$(commandex pv)" ] && pv --help | grep -qw -- '-F'; then
pvopts="$pvopts $pvformat"
fi
pcmd="pv $pvopts"
declare -a RC
BACKUP_BIN=$(commandex 'innobackupex')
if [ -z "$BACKUP_BIN" ]; then
wsrep_log_error 'innobackupex binary not found in path'
exit 42
fi
DATA="$WSREP_SST_OPT_DATA"
INFO_FILE="xtrabackup_galera_info"
IST_FILE="xtrabackup_ist"
MAGIC_FILE="$DATA/$INFO_FILE"
INNOAPPLYLOG="$DATA/innobackupex.prepare.log"
INNOMOVELOG="$DATA/innobackupex.move.log"
INNOBACKUPLOG="$DATA/innobackupex.backup.log"
# Setting the path for ss and ip
export PATH="/usr/sbin:/sbin:$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 -o $encrypt -eq -1 ]; then
return
fi
if [ $encrypt -eq 0 ]; then
if [ -n "$ealgo" -o -n "$ekey" -o -n "$ekeyfile" ]; then
wsrep_log_error "Options for encryption are specified," \
"but encryption itself is disabled. SST may fail."
fi
return
fi
if [ $sfmt = 'tar' ]; then
wsrep_log_info "NOTE: key-based encryption (encrypt=1)" \
"cannot be enabled with tar format"
encrypt=-1
return
fi
wsrep_log_info "Key based encryption enabled in my.cnf"
if [ -z "$ealgo" ]; then
wsrep_log_error "FATAL: Encryption algorithm empty from my.cnf, bailing out"
exit 3
fi
if [ -z "$ekey" ]; then
if [ ! -r "$ekeyfile" ]; then
wsrep_log_error "FATAL: Either key must be specified" \
"or keyfile must be readable"
exit 3
fi
fi
if [ "$eformat" = 'openssl' ]; then
get_openssl
if [ -z "$OPENSSL_BINARY" ]; then
wsrep_log_error "If encryption using the openssl is enabled," \
"then you need to install openssl"
exit 2
fi
ecmd="'$OPENSSL_BINARY' enc -$ealgo"
if "$OPENSSL_BINARY" enc -help 2>&1 | grep -qw -- '-pbkdf2'; then
ecmd="$ecmd -pbkdf2"
elif "$OPENSSL_BINARY" enc -help 2>&1 | grep -qw -- '-iter'; then
ecmd="$ecmd -iter 1"
elif "$OPENSSL_BINARY" enc -help 2>&1 | grep -qw -- '-md'; then
ecmd="$ecmd -md sha256"
fi
if [ -z "$ekey" ]; then
ecmd="$ecmd -kfile '$ekeyfile'"
else
ecmd="$ecmd -k '$ekey'"
fi
elif [ "$eformat" = 'xbcrypt' ]; then
if [ -z "$(commandex xbcrypt)" ]; then
wsrep_log_error "If encryption using the xbcrypt is enabled," \
"then you need to install xbcrypt"
exit 2
fi
wsrep_log_info "NOTE: xbcrypt-based encryption," \
"supported only from Xtrabackup 2.1.4"
if [ -z "$ekey" ]; then
ecmd="xbcrypt --encrypt-algo='$ealgo' --encrypt-key-file='$ekeyfile'"
else
wsrep_log_info \
"Using the 'encrypt-key' option causes the encryption key" \
"to be set via the command-line and is considered insecure." \
"It is recommended to use the 'encrypt-key-file' option instead."
ecmd="xbcrypt --encrypt-algo='$ealgo' --encrypt-key='$ekey'"
fi
if [ -n "$encrypt_threads" ]; then
ecmd="$ecmd --encrypt-threads=$encrypt_threads"
fi
if [ -n "$encrypt_chunk" ]; then
ecmd="$ecmd --encrypt-chunk-size=$encrypt_chunk"
fi
else
wsrep_log_error "Unknown encryption format='$eformat'"
exit 2
fi
if [ "$WSREP_SST_OPT_ROLE" = 'joiner' ]; then
ecmd="$ecmd -d"
fi
stagemsg="$stagemsg-XB-Encrypted"
}
get_transfer()
{
if [ $tfmt = 'nc' ]; then
wsrep_log_info "Using netcat as streamer"
wsrep_check_programs nc
tcmd="nc"
if [ "$WSREP_SST_OPT_ROLE" = 'joiner' ]; then
if nc -h 2>&1 | grep -q 'ncat'; then
wsrep_log_info "Using Ncat as streamer"
tcmd="$tcmd -l"
elif nc -h 2>&1 | grep -qw -- '-d'; then
wsrep_log_info "Using Debian netcat as streamer"
tcmd="$tcmd -dl"
if [ $WSREP_SST_OPT_HOST_IPv6 -eq 1 ]; then
# When host is not explicitly specified (when only the port
# is specified) netcat can only bind to an IPv4 address if
# the "-6" option is not explicitly specified:
tcmd="$tcmd -6"
fi
else
wsrep_log_info "Using traditional netcat as streamer"
tcmd="$tcmd -l -p"
fi
tcmd="$tcmd $SST_PORT"
else
# Check to see if netcat supports the '-N' flag.
# -N Shutdown the network socket after EOF on stdin
# If it supports the '-N' flag, then we need to use the '-N'
# flag, otherwise the transfer will stay open after the file
# transfer and cause the command to timeout.
# Older versions of netcat did not need this flag and will
# return an error if the flag is used.
if nc -h 2>&1 | grep -qw -- '-N'; then
tcmd="$tcmd -N"
wsrep_log_info "Using nc -N"
fi
# netcat doesn't understand [] around IPv6 address
if nc -h 2>&1 | grep -q ncat; then
wsrep_log_info "Using Ncat as streamer"
elif nc -h 2>&1 | grep -qw -- '-d'; then
wsrep_log_info "Using Debian netcat as streamer"
else
wsrep_log_info "Using traditional netcat as streamer"
tcmd="$tcmd -q0"
fi
tcmd="$tcmd $WSREP_SST_OPT_HOST_UNESCAPED $SST_PORT"
fi
else
tfmt='socat'
wsrep_log_info "Using socat as streamer"
wsrep_check_programs socat
if [ -n "$sockopt" ]; then
sockopt=$(trim_string "$sockopt" ',')
if [ -n "$sockopt" ]; then
sockopt=",$sockopt"
fi
fi
# Add an option for ipv6 if needed:
if [ $WSREP_SST_OPT_HOST_IPv6 -eq 1 ]; then
# If sockopt contains 'pf=ip6' somewhere in the middle,
# this will not interfere with socat, but exclude the trivial
# cases when sockopt contains 'pf=ip6' as prefix or suffix:
if [ "$sockopt" = "${sockopt#,pf=ip6}" -a \
"$sockopt" = "${sockopt%,pf=ip6}" ]
then
sockopt=",pf=ip6$sockopt"
fi
fi
if [ $encrypt -lt 2 ]; then
if [ "$WSREP_SST_OPT_ROLE" = 'joiner' ]; then
tcmd="socat -u TCP-LISTEN:$SST_PORT,reuseaddr$sockopt stdio"
else
tcmd="socat -u stdio TCP:$REMOTEIP:$SST_PORT$sockopt"
fi
return
fi
if ! socat -V | grep -q -F 'WITH_OPENSSL 1'; then
wsrep_log_error "******** FATAL ERROR ************************************************ "
wsrep_log_error "* Encryption requested, but socat is not OpenSSL enabled (encrypt=$encrypt) *"
wsrep_log_error "********************************************************************* "
exit 2
fi
local action='Decrypting'
if [ "$WSREP_SST_OPT_ROLE" = 'joiner' ]; then
tcmd="socat -u openssl-listen:$SST_PORT,reuseaddr"
else
tcmd="socat -u stdio openssl-connect:$REMOTEIP:$SST_PORT"
action='Encrypting'
fi
if [ "${sockopt#*,dhparam=}" != "$sockopt" ]; then
if [ -z "$ssl_dhparams" ]; then
# Determine the socat version
SOCAT_VERSION=$(socat -V 2>&1 | \
grep -m1 -owE '[0-9]+(\.[0-9]+)+' | head -n1)
if [ -z "$SOCAT_VERSION" ]; then
wsrep_log_error "******** FATAL ERROR ******************"
wsrep_log_error "* Cannot determine the socat version. *"
wsrep_log_error "***************************************"
exit 2
fi
if ! check_for_version "$SOCAT_VERSION" '1.7.3'; then
# socat versions < 1.7.3 will have 512-bit dhparams (too small)
# so create 2048-bit dhparams and send that as a parameter:
check_for_dhparams
fi
fi
if [ -n "$ssl_dhparams" ]; then
tcmd="$tcmd,dhparam='$ssl_dhparams'"
fi
fi
CN_option=",commonname=''"
if [ $encrypt -eq 2 ]; then
wsrep_log_info \
"Using openssl based encryption with socat: with crt and pem"
if [ -z "$tpem" -o -z "$tcert$tcap" ]; then
wsrep_log_error \
"Both PEM file and CRT file (or path) are required"
exit 22
fi
verify_ca_matches_cert "$tpem" "$tcert" "$tcap"
tcmd="$tcmd,cert='$tpem'"
if [ -n "$tcert" ]; then
tcmd="$tcmd,cafile='$tcert'"
fi
if [ -n "$tcap" ]; then
tcmd="$tcmd,capath='$tcap'"
fi
stagemsg="$stagemsg-OpenSSL-Encrypted-2"
wsrep_log_info "$action with cert='$tpem', ca='$tcert', capath='$tcap'"
elif [ $encrypt -eq 3 -o $encrypt -eq 4 ]; then
wsrep_log_info \
"Using openssl based encryption with socat: with key and crt"
if [ -z "$tpem" -o -z "$tkey" ]; then
wsrep_log_error "Both the certificate file (or path) and" \
"the key file are required"
exit 22
fi
verify_cert_matches_key "$tpem" "$tkey"
stagemsg="$stagemsg-OpenSSL-Encrypted-3"
if [ -z "$tcert$tcap" ]; then
if [ $encrypt -eq 4 ]; then
wsrep_log_error \
"Peer certificate file (or path) required if encrypt=4"
exit 22
fi
# no verification
CN_option=""
tcmd="$tcmd,cert='$tpem',key='$tkey',verify=0"
wsrep_log_info \
"$action with cert='$tpem', key='$tkey', verify=0"
else
# CA verification
verify_ca_matches_cert "$tpem" "$tcert" "$tcap"
if [ -n "$WSREP_SST_OPT_REMOTE_USER" ]; then
CN_option=",commonname='$WSREP_SST_OPT_REMOTE_USER'"
elif [ "$WSREP_SST_OPT_ROLE" = 'joiner' -o $encrypt -eq 4 ]
then
CN_option=",commonname=''"
elif is_local_ip "$WSREP_SST_OPT_HOST_UNESCAPED"; then
CN_option=',commonname=localhost'
else
CN_option=",commonname='$WSREP_SST_OPT_HOST_UNESCAPED'"
fi
tcmd="$tcmd,cert='$tpem',key='$tkey'"
if [ -n "$tcert" ]; then
tcmd="$tcmd,cafile='$tcert'"
fi
if [ -n "$tcap" ]; then
tcmd="$tcmd,capath='$tcap'"
fi
wsrep_log_info "$action with cert='$tpem', key='$tkey'," \
"ca='$tcert', capath='$tcap'"
fi
else
wsrep_log_info "Unknown encryption mode: encrypt=$encrypt"
exit 22
fi
tcmd="$tcmd$CN_option$sockopt"
if [ "$WSREP_SST_OPT_ROLE" = 'joiner' ]; then
tcmd="$tcmd stdio"
fi
fi
}
get_footprint()
{
pushd "$WSREP_SST_OPT_DATA" 1>/dev/null
payload=$(find . -regex '.*\.ibd$\|.*\.MYI$\|.*\.MYD$\|.*ibdata1$' \
-type f -print0 | du --files0-from=- --block-size=1 -c -s | \
awk 'END { print $1 }')
if [ "$compress" != 'none' ]; then
# QuickLZ has around 50% compression ratio
# When compression/compaction used, the progress is only an approximate.
payload=$(( payload*1/2 ))
fi
popd 1>/dev/null
pcmd="$pcmd -s $payload"
adjust_progress
}
adjust_progress()
{
if [ -z "$(commandex pv)" ]; 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" -a "$progress" != '1' ]; then
if [ -e "$progress" ]; then
pcmd="$pcmd 2>>'$progress'"
else
pcmd="$pcmd 2>'$progress'"
fi
elif [ -z "$progress" -a -n "$rlimit" ]; then
# When rlimit is non-zero
pcmd="pv -q"
fi
if [ -n "$rlimit" -a "$WSREP_SST_OPT_ROLE" = 'donor' ]; then
wsrep_log_info "Rate-limiting SST to $rlimit"
pcmd="$pcmd -L \$rlimit"
fi
}
encgroups='--mysqld|sst|xtrabackup'
read_cnf()
{
sfmt=$(parse_cnf sst streamfmt 'xbstream')
tfmt=$(parse_cnf sst transferfmt 'socat')
encrypt=$(parse_cnf "$encgroups" 'encrypt' 0)
tmode=$(parse_cnf "$encgroups" 'ssl-mode' 'DISABLED' | \
tr [:lower:] [:upper:])
case "$tmode" in
'VERIFY_IDENTITY'|'VERIFY_CA'|'REQUIRED'|'DISABLED')
;;
*)
wsrep_log_error "Unrecognized ssl-mode option: '$tmode'"
exit 22 # EINVAL
;;
esac
if [ $encrypt -eq 0 -o $encrypt -ge 2 ]; then
if [ "$tmode" != 'DISABLED' -o $encrypt -ge 2 ]; then
check_server_ssl_config
fi
if [ "$tmode" != 'DISABLED' ]; then
if [ 0 -eq $encrypt -a -n "$tpem" -a -n "$tkey" ]
then
encrypt=3 # enable cert/key SSL encyption
# avoid CA verification if not set explicitly:
# nodes may happen to have different CA if self-generated,
# zeroing up tcert and tcap does the trick:
if [ "${tmode#VERIFY}" = "$tmode" ]; then
tcert=""
tcap=""
fi
fi
fi
elif [ $encrypt -eq 1 ]; then
ealgo=$(parse_cnf "$encgroups" 'encrypt-algo')
eformat=$(parse_cnf "$encgroups" 'encrypt-format' 'xbcrypt')
ekey=$(parse_cnf "$encgroups" 'encrypt-key')
# The keyfile should be read only when the key
# is not specified or empty:
if [ -z "$ekey" ]; then
ekeyfile=$(parse_cnf "$encgroups" 'encrypt-key-file')
fi
fi
wsrep_log_info "SSL configuration: CA='$tcert', CAPATH='$tcap'," \
"CERT='$tpem', KEY='$tkey', MODE='$tmode'," \
"encrypt='$encrypt'"
sockopt=$(parse_cnf sst sockopt "")
progress=$(parse_cnf sst progress "")
rebuild=$(parse_cnf sst rebuild 0)
ttime=$(parse_cnf sst time 0)
cpat='.*\.pem$\|.*init\.ok$\|.*galera\.cache$\|.*sst_in_progress$\|.*\.sst$\|.*gvwstate\.dat$\|.*grastate\.dat$\|.*\.err$\|.*\.log$\|.*RPM_UPGRADE_MARKER$\|.*RPM_UPGRADE_HISTORY$'
[ "$OS" = 'FreeBSD' ] && cpat=$(echo "$cpat" | sed 's/\\|/|/g')
cpat=$(parse_cnf sst cpat "$cpat")
scomp=$(parse_cnf sst compressor "")
sdecomp=$(parse_cnf sst decompressor "")
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="$ssystag-"
sstlogarchive=$(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 [ $ssyslog -ne -1 ]; then
ssyslog=$(in_config 'mysqld_safe' 'syslog')
fi
if [ "$WSREP_SST_OPT_ROLE" = 'donor' ]; then
compress=$(parse_cnf "$encgroups" 'compress' 'none')
if [ "$compress" != 'none' ]; then
compress_chunk=$(parse_cnf "$encgroups" 'compress-chunk-size')
compress_threads=$(parse_cnf "$encgroups" 'compress-threads')
fi
fi
backup_threads=$(parse_cnf "$encgroups" 'backup-threads')
if [ "$eformat" = 'xbcrypt' ]; then
encrypt_threads=$(parse_cnf "$encgroups" 'encrypt-threads')
encrypt_chunk=$(parse_cnf "$encgroups" 'encrypt-chunk-size')
fi
}
get_stream()
{
if [ "$sfmt" = 'mbstream' -o "$sfmt" = 'xbstream' ]; then
local STREAM_BIN=$(commandex "$sfmt")
if [ -z "$STREAM_BIN" ]; then
if [ "$sfmt" = 'xbstream' ]; then
STREAM_BIN=$(commandex 'mbstream')
else
STREAM_BIN=$(commandex 'xbstream')
fi
fi
if [ -z "$STREAM_BIN" ]; then
wsrep_log_error "Streaming with $sfmt, but $sfmt not found in path"
exit 42
fi
if [ "$WSREP_SST_OPT_ROLE" = 'joiner' ]; then
strmcmd="'$STREAM_BIN' -x"
else
strmcmd="'$STREAM_BIN' -c '$INFO_FILE'"
fi
else
sfmt='tar'
if [ "$WSREP_SST_OPT_ROLE" = 'joiner' ]; then
strmcmd='tar xfi -'
else
strmcmd="tar cf - '$INFO_FILE'"
fi
fi
wsrep_log_info "Streaming with $sfmt"
}
sig_joiner_cleanup()
{
wsrep_log_error "Removing $MAGIC_FILE file due to signal"
[ -f "$MAGIC_FILE" ] && rm -f "$MAGIC_FILE"
}
cleanup_at_exit()
{
# Since this is invoked just after exit NNN
local estatus=$?
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
else
if [ -n "$BACKUP_PID" ]; then
if check_pid "$BACKUP_PID" 1; then
wsrep_log_error \
"innobackupex process is still running. Killing..."
cleanup_pid $CHECK_PID "$BACKUP_PID"
fi
fi
[ -f "$DATA/$IST_FILE" ] && rm -f "$DATA/$IST_FILE" || :
fi
if [ -n "$progress" -a -p "$progress" ]; then
wsrep_log_info "Cleaning up fifo file: $progress"
rm -f "$progress" || :
fi
wsrep_log_info "Cleaning up temporary directories"
if [ "$WSREP_SST_OPT_ROLE" = 'joiner' ]; then
[ -n "$STATDIR" -a -d "$STATDIR" ] && rm -rf "$STATDIR" || :
else
[ -n "$xtmpdir" -a -d "$xtmpdir" ] && rm -rf "$xtmpdir" || :
[ -n "$itmpdir" -a -d "$itmpdir" ] && rm -rf "$itmpdir" || :
fi
# Final cleanup
pgid=$(ps -o pgid= $$ 2>/dev/null | grep -o '[0-9]*' || :)
# This means no setsid done in mysqld.
# We don't want to kill mysqld here otherwise.
if [ -n "$pgid" ]; then
if [ $$ -eq $pgid ]; then
# This means a signal was delivered to the process.
# So, more cleanup.
if [ $estatus -ge 128 ]; then
kill -KILL -- -$$ || :
fi
fi
fi
if [ -n "${SST_PID:-}" ]; then
[ -f "$SST_PID" ] && rm -f "$SST_PID" || :
fi
exit $estatus
}
setup_ports()
{
SST_PORT="$WSREP_SST_OPT_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 ~30 seconds for socat or nc to open the port and
# then reports ready, regardless of timeout.
#
wait_for_listen()
{
for i in {1..150}; do
if check_port "" "$SST_PORT" 'socat|nc'; then
break
fi
sleep 0.2
done
echo "ready $ADDR:$SST_PORT/$MODULE/$lsn/$sst_ver"
}
check_extra()
{
local use_socket=1
if [ $uextra -eq 1 ]; then
local thread_handling=$(parse_cnf '--mysqld' 'thread-handling')
if [ "$thread_handling" = 'pool-of-threads' ]; then
local eport=$(parse_cnf '--mysqld' 'extra-port')
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="$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 -a -n "$WSREP_SST_OPT_SOCKET" ]; then
INNOEXTRA="$INNOEXTRA --socket='$WSREP_SST_OPT_SOCKET'"
fi
}
recv_joiner()
{
local dir="$1"
local msg="$2"
local tmt=$3
local checkf=$4
local wait=$5
if [ ! -d "$dir" ]; then
# This indicates that IST is in progress
return
fi
local ltcmd="$tcmd"
if [ $tmt -gt 0 ]; then
if [ -n "$(commandex timeout)" ]; then
if timeout --help | grep -qw -- '-k'; then
ltcmd="timeout -k $(( tmt+10 )) $tmt $tcmd"
else
ltcmd="timeout -s9 $tmt $tcmd"
fi
fi
fi
pushd "$dir" 1>/dev/null
set +e
if [ $wait -ne 0 ]; then
wait_for_listen &
fi
timeit "$msg" "$ltcmd | $strmcmd; RC=( "\${PIPESTATUS[@]}" )"
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 ]; then
if [ ! -r "$MAGIC_FILE" ]; then
# this message should cause joiner to abort
wsrep_log_error "receiving process ended without creating" \
"'$MAGIC_FILE'"
wsrep_log_info "Contents of datadir"
wsrep_log_info $(ls -l "$dir/"*)
exit 32
fi
# check donor supplied secret
SECRET=$(grep -F -- "$SECRET_TAG " "$MAGIC_FILE" 2>/dev/null | \
cut -d ' ' -f2)
if [ "$SECRET" != "$MY_SECRET" ]; then
wsrep_log_error "Donor does not know my secret!"
wsrep_log_info "Donor: '$SECRET', my: '$MY_SECRET'"
exit 32
fi
# remove secret from the magic file
grep -v -F -- "$SECRET_TAG " "$MAGIC_FILE" > "$MAGIC_FILE.new"
mv "$MAGIC_FILE.new" "$MAGIC_FILE"
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 sending data to joiner 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 2>&1; then
wsrep_log_error \
"Parent mysqld process (PID: $WSREP_SST_OPT_PARENT)" \
"terminated unexpectedly."
kill -- -"$WSREP_SST_OPT_PARENT"
exit 32
fi
if ! ps -p "$sst_stream_pid" >/dev/null 2>&1; then
break
fi
sleep 0.1
done
}
# check the version, we require XB-2.3.5 to ensure that we can pass the
# datadir via the command-line option
XB_REQUIRED_VERSION="2.3.5"
XB_VERSION=$($BACKUP_BIN --version 2>&1 | \
grep -m1 -owE '[0-9]+(\.[0-9]+)+' | head -n1)
if [ -z "$XB_VERSION" ]; then
wsrep_log_error "FATAL: Cannot determine the $BACKUP_BIN version." \
"Needs xtrabackup-$XB_REQUIRED_VERSION or higher to" \
"perform SST"
exit 2
fi
if ! check_for_version "$XB_VERSION" "$XB_REQUIRED_VERSION"; then
wsrep_log_error "FATAL: The $BACKUP_BIN version is $XB_VERSION." \
"Needs xtrabackup-$XB_REQUIRED_VERSION or higher to" \
"perform SST"
exit 2
fi
[ -f "$MAGIC_FILE" ] && rm -f "$MAGIC_FILE"
if [ "$WSREP_SST_OPT_ROLE" != 'joiner' -a "$WSREP_SST_OPT_ROLE" != 'donor' ]; then
wsrep_log_error "Invalid role '$WSREP_SST_OPT_ROLE'"
exit 22
fi
read_cnf
setup_ports
if "$BACKUP_BIN" --help 2>/dev/null | grep -qw -- '--version-check'; then
disver=' --no-version-check'
fi
# if no command line argument 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' 'innodb-data-home-dir')
fi
OLD_PWD="$(pwd)"
cd "$WSREP_SST_OPT_DATA"
if [ -n "$INNODB_DATA_HOME_DIR" ]; then
# handle both relative and absolute paths
[ ! -d "$INNODB_DATA_HOME_DIR" ] && mkdir -p "$INNODB_DATA_HOME_DIR"
cd "$INNODB_DATA_HOME_DIR"
fi
INNODB_DATA_HOME_DIR=$(pwd -P)
cd "$OLD_PWD"
if [ $ssyslog -eq 1 ]; then
if [ -n "$(commandex logger)" ]; then
wsrep_log_info "Logging all stderr of SST/xtrabackup 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 "$@"
}
else
wsrep_log_error "logger not in path: $PATH. Ignoring"
fi
INNOAPPLY="2>&1 | logger -p daemon.err -t ${ssystag}innobackupex-apply"
INNOMOVE="2>&1 | logger -p daemon.err -t ${ssystag}innobackupex-move"
INNOBACKUP="2> >(logger -p daemon.err -t ${ssystag}innobackupex-backup)"
else
if [ $sstlogarchive -eq 1 ]
then
ARCHIVETIMESTAMP=$(date "+%Y.%m.%d-%H.%M.%S.%N")
if [ -n "$sstlogarchivedir" ]; then
if [ ! -d "$sstlogarchivedir" ]; then
mkdir -p "$sstlogarchivedir"
fi
fi
if [ -e "$INNOAPPLYLOG" ]; then
if [ -n "$sstlogarchivedir" ]; then
newfile=$(basename "$INNOAPPLYLOG")
newfile="$sstlogarchivedir/$newfile.$ARCHIVETIMESTAMP"
else
newfile="$INNOAPPLYLOG.$ARCHIVETIMESTAMP"
fi
wsrep_log_info "Moving '$INNOAPPLYLOG' to '$newfile'"
mv "$INNOAPPLYLOG" "$newfile"
gzip "$newfile"
fi
if [ -e "$INNOMOVELOG" ]; then
if [ -n "$sstlogarchivedir" ]; then
newfile=$(basename "$INNOMOVELOG")
newfile="$sstlogarchivedir/$newfile.$ARCHIVETIMESTAMP"
else
newfile="$INNOMOVELOG.$ARCHIVETIMESTAMP"
fi
wsrep_log_info "Moving '$INNOMOVELOG' to '$newfile'"
mv "$INNOMOVELOG" "$newfile"
gzip "$newfile"
fi
if [ -e "$INNOBACKUPLOG" ]; then
if [ -n "$sstlogarchivedir" ]; then
newfile=$(basename "$INNOBACKUPLOG")
newfile="$sstlogarchivedir/$newfile.$ARCHIVETIMESTAMP"
else
newfile="$INNOBACKUPLOG.$ARCHIVETIMESTAMP"
fi
wsrep_log_info "Moving '$INNOBACKUPLOG' to '$newfile'"
mv "$INNOBACKUPLOG" "$newfile"
gzip "$newfile"
fi
fi
INNOAPPLY="> '$INNOAPPLYLOG' 2>&1"
INNOMOVE="> '$INNOMOVELOG' 2>&1"
INNOBACKUP="2> '$INNOBACKUPLOG'"
fi
setup_commands()
{
local recovery=""
if [ -n "$INNODB_FORCE_RECOVERY" ]; then
recovery=" --innodb-force-recovery=$INNODB_FORCE_RECOVERY"
fi
INNOAPPLY="$BACKUP_BIN$disver$recovery${iapts:+ }$iapts$INNOEXTRA --apply-log${rebuildcmd:+ }$rebuildcmd --datadir='$DATA' '$DATA' $INNOAPPLY"
INNOMOVE="$BACKUP_BIN$WSREP_SST_OPT_CONF --move-back$disver${impts:+ }$impts --force-non-empty-directories --datadir='${TDATA:-$DATA}' '$DATA' $INNOMOVE"
local sfmt_work="$sfmt"
if [ "$sfmt" = 'mbstream' ]; then
sfmt_work='xbstream'
fi
INNOBACKUP="$BACKUP_BIN$WSREP_SST_OPT_CONF$disver${iopts:+ }$iopts$tmpopts$INNOEXTRA --galera-info --stream=$sfmt_work --datadir='$DATA' '$itmpdir' $INNOBACKUP"
}
get_stream
get_transfer
if [ "$WSREP_SST_OPT_ROLE" = 'donor' ]
then
trap cleanup_at_exit EXIT
if [ $WSREP_SST_OPT_BYPASS -eq 0 ]
then
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
tmpdir=$(parse_cnf "$encgroups" 'tmpdir')
if [ -z "$tmpdir" ]; then
xtmpdir="$(mktemp -d)"
elif [ "$OS" = 'Linux' ]; then
xtmpdir=$(mktemp '-d' "--tmpdir=$tmpdir")
else
xtmpdir=$(TMPDIR="$tmpdir"; mktemp '-d')
fi
wsrep_log_info "Using '$xtmpdir' as xtrabackup temporary directory"
tmpopts=" --tmpdir='$xtmpdir'"
itmpdir="$(mktemp -d)"
wsrep_log_info "Using '$itmpdir' as xtrabackup working directory"
usrst=0
if [ -n "$WSREP_SST_OPT_USER" ]; then
INNOEXTRA="$INNOEXTRA --user='$WSREP_SST_OPT_USER'"
usrst=1
fi
if [ -n "$WSREP_SST_OPT_PSWD" ]; then
INNOEXTRA="$INNOEXTRA --password='$WSREP_SST_OPT_PSWD'"
elif [ $usrst -eq 1 ]; then
# Empty password, used for testing, debugging etc.
INNOEXTRA="$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"
if [ -n "$WSREP_SST_OPT_REMOTE_PSWD" ]; then
# Let joiner know that we know its secret
echo "$SECRET_TAG $WSREP_SST_OPT_REMOTE_PSWD" >> "$MAGIC_FILE"
fi
ttcmd="$tcmd"
if [ -n "$scomp" ]; then
tcmd="$scomp | $tcmd"
fi
get_keys
if [ $encrypt -eq 1 ]; then
tcmd="$ecmd | $tcmd"
fi
send_donor "$DATA" "$stagemsg-gtid"
# Restore the transport commmand to its original state
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"
# Add compression to the head of the stream (if specified)
if [ -n "$scomp" ]; then
tcmd="$scomp | $tcmd"
fi
# Add encryption to the head of the stream (if specified)
if [ $encrypt -eq 1 ]; then
tcmd="$ecmd | $tcmd"
fi
iopts="--databases-exclude='lost+found'${iopts:+ }$iopts"
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${iopts:+ }$iopts"
fi
# if compression is enabled for backup files, then add the
# appropriate options to the innobackupex command line:
if [ "$compress" != 'none' ]; then
iopts="--compress${compress:+=$compress}${iopts:+ }$iopts"
if [ -n "$compress_threads" ]; then
iopts="--compress-threads=$compress_threads${iopts:+ }$iopts"
fi
if [ -n "$compress_chunk" ]; then
iopts="--compress-chunk-size=$compress_chunk${iopts:+ }$iopts"
fi
fi
if [ -n "$backup_threads" ]; then
iopts="--parallel=$backup_threads${iopts:+ }$iopts"
fi
setup_commands
set +e
timeit "$stagemsg-SST" "$INNOBACKUP | $tcmd; RC=( "\${PIPESTATUS[@]}" )"
set -e
if [ ${RC[0]} -ne 0 ]; then
wsrep_log_error "innobackupex 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
BACKUP_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"
if [ -n "$scomp" ]; then
tcmd="$scomp | $tcmd"
fi
get_keys
if [ $encrypt -eq 1 ]; then
tcmd="$ecmd | $tcmd"
fi
strmcmd="$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"
# if no command line argument and INNODB_LOG_GROUP_HOME is not set,
# try to get it from my.cnf:
if [ -z "$INNODB_LOG_GROUP_HOME" ]; then
INNODB_LOG_GROUP_HOME=$(parse_cnf '--mysqld' 'innodb-log-group-home-dir')
fi
ib_log_dir="$INNODB_LOG_GROUP_HOME"
# if no command line argument then try to get it from my.cnf:
if [ -z "$INNODB_UNDO_DIR" ]; then
INNODB_UNDO_DIR=$(parse_cnf '--mysqld' 'innodb-undo-directory')
fi
ib_undo_dir="$INNODB_UNDO_DIR"
if [ -n "$backup_threads" ]; then
impts="--parallel=$backup_threads${impts:+ }$impts"
fi
SST_PID="$WSREP_SST_OPT_DATA/wsrep_sst.pid"
# give some time for previous SST to complete:
check_round=0
while check_pid "$SST_PID" 0; do
wsrep_log_info "previous SST is not completed, waiting for it to exit"
check_round=$(( check_round + 1 ))
if [ $check_round -eq 10 ]; then
wsrep_log_error "previous SST script still running."
exit 114 # EALREADY
fi
sleep 1
done
echo $$ > "$SST_PID"
stagemsg='Joiner-Recv'
MODULE="${WSREP_SST_OPT_MODULE:-xtrabackup_sst}"
[ -f "$DATA/$IST_FILE" ] && rm -f "$DATA/$IST_FILE"
# May need xtrabackup_checkpoints later on
[ -f "$DATA/xtrabackup_binary" ] && rm -f "$DATA/xtrabackup_binary"
[ -f "$DATA/xtrabackup_galera_info" ] && rm -f "$DATA/xtrabackup_galera_info"
ADDR="$WSREP_SST_OPT_HOST"
if [ "${tmode#VERIFY}" != "$tmode" ]; then
# backward-incompatible behavior:
CN=""
if [ -n "$tpem" ]; then
# find out my Common Name
get_openssl
if [ -z "$OPENSSL_BINARY" ]; then
wsrep_log_error \
'openssl not found but it is required for authentication'
exit 42
fi
CN=$("$OPENSSL_BINARY" x509 -noout -subject -in "$tpem" | \
tr "," "\n" | grep -F 'CN =' | cut -d '=' -f2 | sed s/^\ // | \
sed s/\ %//)
fi
MY_SECRET="$(wsrep_gen_secret)"
# Add authentication data to address
ADDR="$CN:$MY_SECRET@$ADDR"
else
MY_SECRET="" # for check down in recv_joiner()
fi
trap sig_joiner_cleanup HUP PIPE INT TERM
trap cleanup_at_exit EXIT
if [ -n "$progress" ]; then
adjust_progress
tcmd="$tcmd | $pcmd"
fi
get_keys
if [ $encrypt -eq 1 ]; then
strmcmd="$ecmd | $strmcmd"
fi
if [ -n "$sdecomp" ]; then
strmcmd="$sdecomp | $strmcmd"
fi
check_sockets_utils
STATDIR="$(mktemp -d)"
MAGIC_FILE="$STATDIR/$INFO_FILE"
recv_joiner "$STATDIR" "$stagemsg-gtid" $stimeout 1 1
if ! ps -p "$WSREP_SST_OPT_PARENT" >/dev/null 2>&1
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" "$stagemsg-SST" 0 0 0) &
jpid=$!
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_home_dir"} \
${ib_undo_dir:+"$ib_undo_dir"} \
${ib_log_dir:+"$ib_log_dir"} \
"$DATA" -mindepth 1 -prune -regex "$cpat" \
-o -exec rm -rfv {} 1>&2 \+
else
find ${ib_home_dir:+"$ib_home_dir"} \
${ib_undo_dir:+"$ib_undo_dir"} \
${ib_log_dir:+"$ib_log_dir"} \
"$DATA" -mindepth 1 -prune -regex "$cpat" \
-o -exec rm -rfv {} 1>&2 \+
fi
get_binlog
if [ -n "$WSREP_SST_OPT_BINLOG" ]; then
binlog_dir=$(dirname "$WSREP_SST_OPT_BINLOG")
if [ -d "$binlog_dir" ]; then
cd "$binlog_dir"
wsrep_log_info "Cleaning the binlog directory $binlog_dir as well"
rm -fv "$WSREP_SST_OPT_BINLOG".[0-9]* 1>&2 \+ || :
[ -f "$WSREP_SST_OPT_BINLOG_INDEX" ] && \
rm -fv "$WSREP_SST_OPT_BINLOG_INDEX" 1>&2 \+
cd "$OLD_PWD"
fi
fi
TDATA="$DATA"
DATA="$DATA/.sst"
MAGIC_FILE="$DATA/$INFO_FILE"
wsrep_log_info "Waiting for SST streaming to complete!"
monitor_process $jpid
if [ ! -s "$DATA/xtrabackup_checkpoints" ]; then
wsrep_log_error "xtrabackup_checkpoints missing," \
"failed xtrabackup/SST on donor"
exit 2
fi
# Rebuild indexes for compact backups
if grep -qw -F 'compact = 1' "$DATA/xtrabackup_checkpoints"; then
wsrep_log_info "Index compaction detected"
get_proc
nthreads=$(parse_cnf "$encgroups" 'rebuild-threads' $nproc)
wsrep_log_info "Rebuilding during prepare with $nthreads threads"
rebuildcmd="--rebuild-indexes --rebuild-threads=$nthreads"
fi
qpfiles=$(find "$DATA" -maxdepth 1 -type f -name '*.qp' -print -quit)
if [ -n "$qpfiles" ]; then
wsrep_log_info "Compressed qpress files found"
if [ -z "$(commandex qpress)" ]; then
wsrep_log_error "qpress utility not found in the path"
exit 22
fi
get_proc
dcmd="xargs -n 2 qpress -dT$nproc"
if [ -n "$progress" ] && pv --help | grep -qw -- '--line-mode'; then
count=$(find "$DATA" -type f -name '*.qp' | wc -l)
count=$(( count*2 ))
pvopts="-f -s $count -l -N Decompression"
if pv --help | grep -qw -- '-F'; then
pvopts="$pvopts -F '%N => Rate:%r Elapsed:%t %e Progress: [%b/$count]'"
fi
pcmd="pv $pvopts"
adjust_progress
dcmd="$pcmd | $dcmd"
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: $extcode"
exit 22
fi
fi
if [ -n "$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".* "$BINLOG_DIRNAME/" 2>/dev/null || :
cd "$BINLOG_DIRNAME"
for bfile in $(ls -1 "$BINLOG_FILENAME".[0-9]*); do
echo "$BINLOG_DIRNAME/$bfile" >> "$WSREP_SST_OPT_BINLOG_INDEX"
done
cd "$OLD_PWD"
fi
wsrep_log_info "Preparing the backup at $DATA"
setup_commands
timeit "Xtrabackup prepare stage" "$INNOAPPLY"
if [ $? -ne 0 ]; then
wsrep_log_error "xtrabackup apply finished with errors." \
"Check syslog or '$INNOAPPLYLOG' for details."
exit 22
fi
MAGIC_FILE="$TDATA/$INFO_FILE"
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
coords=$(cat "$MAGIC_FILE")
wsrep_log_info "Galera co-ords from recovery: $coords"
cat "$MAGIC_FILE" # Output : UUID:seqno wsrep_gtid_domain_id
wsrep_log_info "Total time on joiner: $totime seconds"
fi
exit 0
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