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Commit 1c7dd233 authored by Julius Goryavsky's avatar Julius Goryavsky
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MDEV-26915 post-fix: deleted unnecessary file

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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:
# http://www.percona.com/doc/percona-xtradb-cluster/manual/xtrabackup_sst.html
# Make sure to read that before proceeding!
. $(dirname "$0")/wsrep_sst_common
wsrep_check_datadir
OS="$(uname)"
ealgo=""
eformat=""
ekey=""
ekeyfile=""
encrypt=0
ecode=0
ssyslog=""
ssystag=""
BACKUP_PID=""
tcert=""
tpath=0
tpem=""
tkey=""
tmode="DISABLED"
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 $WSREP_SST_OPT_ROLE"
STATDIR=""
uextra=0
disver=""
tmpopts=""
itmpdir=""
xtmpdir=""
scomp=""
sdecomp=""
ssl_dhparams=""
compress='none'
compress_chunk=""
compress_threads=""
backup_threads=""
encrypt_threads=""
encrypt_chunk=""
readonly SECRET_TAG="secret"
sst_ver=-1
if [ -n "$(command -v pv)" ] && pv --help | grep -qw -- '-F'; then
pvopts="$pvopts $pvformat"
fi
pcmd="pv $pvopts"
declare -a RC
BACKUP_BIN="$(command -v innobackupex)"
if [ ! -x "$BACKUP_BIN" ]; then
wsrep_log_error 'innobackupex binary not found in path'
exit 42
fi
DATA="$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 [ $sfmt = 'tar' ]; then
wsrep_log_info "NOTE: key-based encryption (encrypt=1) " \
"cannot be enabled with tar format"
encrypt=-1
return
fi
wsrep_log_info "Key based encryption enabled in my.cnf - supported only from Xtrabackup 2.1.4"
if [ -z "$ealgo" ]; then
wsrep_log_error "FATAL: Encryption algorithm empty from my.cnf, bailing out"
exit 3
fi
if [ -z "$ekey" -a ! -r "$ekeyfile" ]; then
wsrep_log_error "FATAL: Either key must be specified " \
"or keyfile must be readable"
exit 3
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 "$(command -v xbcrypt)" ]; then
wsrep_log_error "If encryption using the xbcrypt is enabled, " \
"then you need to install xbcrypt"
exit 2
fi
wsrep_log_info "NOTE: xbcrypt-based encryption, " \
"supported only from Xtrabackup 2.1.4"
if [ -z "$ekey" ]; then
ecmd="xbcrypt --encrypt-algo='$ealgo' --encrypt-key-file='$ekeyfile'"
else
wsrep_log_warning \
"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 -oe '[0-9]\.[0-9][\.0-9]*')
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 "$tcert" ]; then
wsrep_log_error \
"Both PEM file and CRT file (or path) are required"
exit 22
fi
if [ ! -r "$tpem" -o ! -r "$tcert" ]; then
wsrep_log_error \
"Both PEM file and CRT file (or path) must be readable"
exit 22
fi
verify_ca_matches_cert "$tcert" "$tpem" $tpath
if [ $tpath -eq 0 ]; then
tcmd="$tcmd,cert='$tpem',cafile='$tcert'"
else
tcmd="$tcmd,cert='$tpem',capath='$tcert'"
fi
stagemsg="$stagemsg-OpenSSL-Encrypted-2"
wsrep_log_info "$action with cert=$tpem, ca=$tcert"
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 "$tkey" ]; then
wsrep_log_error "Both certificate file (or path) " \
"and key file are required"
exit 22
fi
if [ ! -r "$tpem" -o ! -r "$tkey" ]; then
wsrep_log_error "Both certificate file (or path) " \
"and key file must be readable"
exit 22
fi
verify_cert_matches_key "$tpem" "$tkey"
stagemsg="$stagemsg-OpenSSL-Encrypted-3"
if [ -z "$tcert" ]; 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=$tkey, verify=0"
else
# CA verification
if [ ! -r "$tcert" ]; then
wsrep_log_error "Certificate file or path must be readable"
exit 22
fi
verify_ca_matches_cert "$tcert" "$tpem" $tpath
if [ -n "$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
if [ $tpath -eq 0 ]; then
tcmd="$tcmd,cert='$tpem',key='$tkey',cafile='$tcert'"
else
tcmd="$tcmd,cert='$tpem',key='$tkey',capath='$tcert'"
fi
wsrep_log_info "$action with cert=$tpem, key=$tkey, ca=$tcert"
fi
else
wsrep_log_info "Unknown encryption mode: encrypt=$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 $payload"
adjust_progress
}
adjust_progress()
{
if [ -z "$(command -v 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'
check_server_ssl_config()
{
# backward-compatible behavior:
tcert=$(parse_cnf 'sst' 'tca')
tpem=$(parse_cnf 'sst' 'tcert')
tkey=$(parse_cnf 'sst' 'tkey')
# reading new ssl configuration options:
local tcert2=$(parse_cnf "$encgroups" 'ssl-ca')
local tpem2=$(parse_cnf "$encgroups" 'ssl-cert')
local tkey2=$(parse_cnf "$encgroups" 'ssl-key')
# if there are no old options, then we take new ones:
if [ -z "$tcert" -a -z "$tpem" -a -z "$tkey" ]; then
tcert="$tcert2"
tpem="$tpem2"
tkey="$tkey2"
# checking for presence of the new-style SSL configuration:
elif [ -n "$tcert2" -o -n "$tpem2" -o -n "$tkey2" ]; then
if [ "$tcert" != "$tcert2" -o \
"$tpem" != "$tpem2" -o \
"$tkey" != "$tkey2" ]
then
wsrep_log_info "new ssl configuration options (ssl-ca, ssl-cert " \
"and ssl-key) are ignored by SST due to presence " \
"of the tca, tcert and/or tkey in the [sst] section"
fi
fi
if [ -n "$tcert" ]; then
tcert=$(trim_string "$tcert")
if [ "${tcert%/}" != "$tcert" ]; then
tpath=1
fi
fi
}
read_cnf()
{
sfmt=$(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:])
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 "$tkey" ]
then
encrypt=3 # enable cert/key SSL encyption
# avoid CA verification if not set explicitly:
# nodes may happen to have different CA if self-generated
# zeroing up tcert does the trick
[ "${tmode#VERIFY}" != "$tmode" ] || tcert=""
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='$tcert', CERT='$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 "$sfmt" = 'xbstream' ]; then
STREAM_BIN=$(command -v "$sfmt")
if [ -z "$STREAM_BIN" ]; then
if [ "$sfmt" = 'xbstream' ]; then
STREAM_BIN="$(command -v mbstream)"
else
STREAM_BIN="$(command -v xbstream)"
fi
fi
if [ -z "$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 "xtrabackup 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" || true
fi
wsrep_log_info "Cleaning up temporary directories"
if [ "$WSREP_SST_OPT_ROLE" = 'joiner' ]; then
if [ -n "$STATDIR" ]; then
[ -d "$STATDIR" ] && rm -rf "$STATDIR"
fi
else
[ -n "$xtmpdir" -a -d "$xtmpdir" ] && rm -rf "$xtmpdir" || true
[ -n "$itmpdir" -a -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 $estatus
}
setup_ports()
{
SST_PORT="$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()
{
local PORT="$1"
local ADDR="$2"
local MODULE="$3"
for i in {1..150}; do
if check_port "" "$PORT" 'socat|nc'; then
break
fi
sleep 0.2
done
echo "ready $ADDR/$MODULE//$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 [ $tmt -gt 0 ]; then
if [ -n "$(command -v 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 [ $wait -ne 0 ]; then
wait_for_listen "$SST_PORT" "$ADDR" "$MODULE" &
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 " "$MAGIC_FILE" 2>/dev/null | cut -d ' ' -f 2)
if [ "$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 "$sst_stream_pid" >/dev/null 2>&1; then
break
fi
sleep 0.1
done
}
# check the version, we require XB-2.4 to ensure that we can pass the
# datadir via the command-line option
XB_REQUIRED_VERSION="2.3.5"
XB_VERSION=`$BACKUP_BIN --version 2>&1 | grep -oe '[0-9]\.[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 [ $ssyslog -eq 1 ]; then
if [ -n "$(command -v 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()
{
if [ -z "$INNODB_FORCE_RECOVERY" ]; then
INNOAPPLY="$BACKUP_BIN $disver $iapts $INNOEXTRA --apply-log $rebuildcmd '$DATA' $INNOAPPLY"
else
INNOAPPLY="$BACKUP_BIN $disver $iapts $INNOEXTRA --innodb-force-recovery=$INNODB_FORCE_RECOVERY --apply-log $rebuildcmd '$DATA' $INNOAPPLY"
fi
INNOMOVE="$BACKUP_BIN $WSREP_SST_OPT_CONF --move-back $disver $impts --force-non-empty-directories '$DATA' $INNOMOVE"
sfmt_work="$sfmt"
if [ "$sfmt" = 'mbstream' ]; then
sfmt_work='xbstream'
fi
INNOBACKUP="$BACKUP_BIN $WSREP_SST_OPT_CONF $disver $iopts $tmpopts $INNOEXTRA --galera-info --stream=$sfmt_work '$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"
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 $iopts"
fi
# if compression is enabled for backup files, then add the
# appropriate options to the innobackupex command line:
if [ "$compress" != 'none' ]; then
iopts="--compress${compress:+=$compress} $iopts"
if [ -n "$compress_threads" ]; then
iopts="--compress-threads=$compress_threads $iopts"
fi
if [ -n "$compress_chunk" ]; then
iopts="--compress-chunk-size=$compress_chunk $iopts"
fi
fi
if [ -n "$backup_threads" ]; then
iopts="--parallel=$backup_threads $iopts"
fi
setup_commands
set +e
timeit "$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 $impts"
fi
stagemsg='Joiner-Recv'
sencrypted=1
nthreads=1
MODULE="xtrabackup_sst"
[ -f "$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 "$DATA/xtrabackup_galera_info"
[ -f "$DATA/ib_logfile0" ] && rm -f "$DATA/ib_logfile0"
ADDR="$WSREP_SST_OPT_ADDR"
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 -a $sencrypted -eq 1 ]; then
strmcmd="$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 "$WSREP_SST_OPT_BINLOG")
cd "$binlog_dir"
wsrep_log_info "Cleaning the binlog directory $binlog_dir as well"
rm -fv "$WSREP_SST_OPT_BINLOG".[0-9]* 1>&2 \+ || true
[ -f "$WSREP_SST_OPT_BINLOG_INDEX" ] && \
rm -fv "$WSREP_SST_OPT_BINLOG_INDEX" 1>&2 \+ || true
cd "$OLD_PWD"
fi
TDATA="$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 -q -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 "$qpfiles" ]; then
wsrep_log_info "Compressed qpress files found"
if [ -z "$(command -v 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".* "$BINLOG_DIRNAME/" 2>/dev/null || true
cd "$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 [ $? -ne 0 ]; then
wsrep_log_error "xtrabackup apply finished with errors. Check '$INNOAPPLYLOG' for details"
exit 22
fi
# [ -f "$INNOAPPLYLOG" ] && rm "$INNOAPPLYLOG"
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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