#!/usr/bin/bash
set -ue
# Copyright (C) 2017-2024 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.
# This is a reference script for mariadb-backup-based state snapshot transfer.
# Documentation:
# https://mariadb.com/kb/en/mariabackup-overview/
# Make sure to read that before proceeding!
. $(dirname "$0")/wsrep_sst_common
BACKUP_BIN=$(commandex 'mariadb-backup')
if [ -z "$BACKUP_BIN" ]; then
wsrep_log_error 'mariadb-backup binary not found in path'
exit 42
fi
BACKUP_PID=""
INFO_FILE='xtrabackup_galera_info'
DONOR_INFO_FILE='donor_galera_info'
IST_FILE='xtrabackup_ist'
MAGIC_FILE="$DATA/$INFO_FILE"
DONOR_MAGIC_FILE="$DATA/$DONOR_INFO_FILE"
ealgo=""
eformat=""
ekey=""
ekeyfile=""
encrypt=0
ssyslog=""
ssystag=""
tcert=""
tcap=""
tpem=""
tkey=""
tmode=""
sockopt=""
progress=""
ttime=0
totime=0
lsn=""
ecmd=""
rlimit=""
# Initially
stagemsg="$WSREP_SST_OPT_ROLE"
cpat=""
speciald=1
ib_home_dir=""
ib_log_dir=""
ib_undo_dir=""
ar_log_dir=""
sfmt=""
strmcmd=""
tfmt=""
tcmd=""
payload=0
pvformat="-F '%N => Rate:%r Avg:%a Elapsed:%t %e Bytes: %b %p'"
pvopts="-f -i 10 -N $WSREP_SST_OPT_ROLE"
uextra=0
disver=""
STATDIR=""
tmpopts=""
itmpdir=""
xtmpdir=""
scomp=""
sdecomp=""
ssl_dhparams=""
compress='none'
compress_chunk=""
compress_threads=""
backup_threads=""
encrypt_threads=""
encrypt_chunk=""
readonly SECRET_TAG='secret'
readonly TOTAL_TAG='total'
# Required for backup locks
# For backup locks it is 1 sent by joiner
sst_ver=1
INNOAPPLYLOG="$DATA/mariabackup.prepare.log"
INNOMOVELOG="$DATA/mariabackup.move.log"
INNOBACKUPLOG="$DATA/mariabackup.backup.log"
timeit()
{
local stage="$1"
shift
local cmd="$@"
local x1 x2 took extcode
if [ $ttime -eq 1 ]; then
x1=$(date +%s)
fi
wsrep_log_info "Evaluating $cmd"
eval $cmd
extcode=$?
if [ $ttime -eq 1 ]; then
x2=$(date +%s)
took=$(( x2-x1 ))
wsrep_log_info "NOTE: $stage took $took seconds"
totime=$(( totime+took ))
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 "$ekey" -a ! -r "$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 "$OPENSSL_BINARY" enc -help 2>&1 | grep -qw -F -- '-pbkdf2'; then
ecmd="$ecmd -pbkdf2"
elif "$OPENSSL_BINARY" enc -help 2>&1 | grep -qw -F -- '-iter'; then
ecmd="$ecmd -iter 1"
elif "$OPENSSL_BINARY" enc -help 2>&1 | grep -qw -F -- '-md'; then
ecmd="$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
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='$eformat'"
exit 2
fi
[ "$WSREP_SST_OPT_ROLE" = 'joiner' ] && ecmd="$ecmd -d"
stagemsg="$stagemsg-XB-Encrypted"
}
get_socat_ver()
{
[ -n "${SOCAT_VERSION+x}" ] && return
# Determine the socat version
SOCAT_VERSION=$(socat -V 2>&1 | \
grep -m1 -owE '[0-9]+(\.[0-9]+)+' | \
head -n1 || :)
if [ -z "$SOCAT_VERSION" ]; then
wsrep_log_error "******** FATAL ERROR ******************"
wsrep_log_error "* Cannot determine the socat version. *"
wsrep_log_error "***************************************"
exit 2
fi
}
get_transfer()
{
if [ "$tfmt" = 'nc' ]; then
wsrep_log_info "Using netcat as streamer"
wsrep_check_programs nc
tcmd='nc'
if [ "$WSREP_SST_OPT_ROLE" = 'joiner' ]; then
if nc -h 2>&1 | grep -q -F 'ncat'; then
wsrep_log_info "Using Ncat as streamer"
tcmd="$tcmd -l"
elif nc -h 2>&1 | grep -qw -F -- '-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 $SST_PORT"
else
# Check to see if netcat supports the '-N' flag.
# -N Shutdown the network socket after EOF on stdin
# If it supports the '-N' flag, then we need to use the '-N'
# flag, otherwise the transfer will stay open after the file
# transfer and cause the command to timeout.
# Older versions of netcat did not need this flag and will
# return an error if the flag is used.
if nc -h 2>&1 | grep -qw -F -- '-N'; then
tcmd="$tcmd -N"
wsrep_log_info "Using nc -N"
fi
# netcat doesn't understand [] around IPv6 address
if nc -h 2>&1 | grep -q -F 'ncat'; then
wsrep_log_info "Using Ncat as streamer"
elif nc -h 2>&1 | grep -qw -F -- '-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
local addr="$REMOTEIP:$SST_PORT"
tcmd="socat -u stdio openssl-connect:$addr"
action='Encrypting'
get_socat_ver
if ! check_for_version "$SOCAT_VERSION" '1.7.4.1'; then
if check_for_version "$SOCAT_VERSION" '1.7.3.3'; then
# Workaround for a bug known as 'Red Hat issue 1870279'
# (connection reset by peer) in socat versions 1.7.3.3
# to 1.7.4.0:
tcmd="socat stdio openssl-connect:$addr,linger=10"
wsrep_log_info \
"Use workaround for socat $SOCAT_VERSION bug"
fi
fi
if check_for_version "$SOCAT_VERSION" '1.7.4'; then
tcmd="$tcmd,no-sni=1"
fi
fi
if [ "${sockopt#*,dhparam=}" = "$sockopt" ]; then
if [ -z "$ssl_dhparams" ]; then
get_socat_ver
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="$tcmd stdio"
fi
fi
}
get_footprint()
{
cd "$DATA_DIR"
local payload_data
if [ "$OS" = 'Linux' ]; then
payload_data=$(find $findopt . \
-regex '.*undo[0-9]+$\|.*\.ibd$\|.*\.MYI$\|.*\.MYD$\|.*ibdata1$' \
-type f -print0 | du --files0-from=- --bytes -c -s | \
awk 'END { print $1 }')
else
payload_data=$(find $findopt . \
-regex '.*undo[0-9]+$|.*\.ibd$|.*\.MYI$\.*\.MYD$|.*ibdata1$' \
-type f -print0 | xargs -0 stat -f '%z' | \
awk '{ sum += $1 } END { print sum }')
fi
local payload_undo=0
if [ -n "$ib_undo_dir" -a "$ib_undo_dir" != '.' -a \
"$ib_undo_dir" != "$DATA_DIR" -a -d "$ib_undo_dir" ]
then
cd "$ib_undo_dir"
if [ "$OS" = 'Linux' ]; then
payload_undo=$(find . -regex '.*undo[0-9]+$' -type f -print0 | \
du --files0-from=- --bytes -c -s | awk 'END { print $1 }')
else
payload_undo=$(find . -regex '.*undo[0-9]+$' -type f -print0 | \
xargs -0 stat -f '%z' | awk '{ sum += $1 } END { print sum }')
fi
fi
cd "$OLD_PWD"
wsrep_log_info \
"SST footprint estimate: data: $payload_data, undo: $payload_undo"
payload=$(( payload_data+payload_undo ))
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
if [ $WSREP_SST_OPT_PROGRESS -eq 1 ]; then
# report to parent the total footprint of the SST
echo "$TOTAL_TAG $payload"
fi
adjust_progress
}
adjust_progress()
{
pcmd=""
rcmd=""
[ "$progress" = 'none' ] && return
rlimitopts=""
if [ -n "$rlimit" -a "$WSREP_SST_OPT_ROLE" = 'donor' ]; then
wsrep_log_info "Rate-limiting SST to $rlimit"
rlimitopts=" -L $rlimit"
fi
if [ -n "$progress" ]; then
# Backward compatibility: user-configured progress output
pcmd="pv $pvopts$rlimitopts"
if [ -z "${PV_FORMAT+x}" ]; then
PV_FORMAT=0
pv --help | grep -qw -F -- '-F' && PV_FORMAT=1
fi
if [ $PV_FORMAT -eq 1 ]; then
pcmd="$pcmd $pvformat"
fi
if [ $payload -ne 0 ]; then
pcmd="$pcmd -s $payload"
fi
if [ "$progress" != '1' ]; then
if [ -e "$progress" ]; then
pcmd="$pcmd 2>>'$progress'"
else
pcmd="$pcmd 2>'$progress'"
fi
fi
elif [ $WSREP_SST_OPT_PROGRESS -eq 1 ]; then
# Default progress output parseable by parent
pcmd="pv -f -i 1 -n -b$rlimitopts"
# read progress data, add tag and post to stdout
# for the parent
rcmd="stdbuf -oL tr '\r' '\n' | xargs -n1 echo complete"
elif [ -n "$rlimitopts" ]; then
# Rate-limiting only, when rlimit is non-zero
pcmd="pv -q$rlimitopts"
fi
}
bkgroups='sst|xtrabackup|mariabackup'
encgroups="--mysqld|$bkgroups"
read_cnf()
{
sfmt=$(parse_cnf sst streamfmt 'mbstream')
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 "$encgroups" 'encrypt-format' 'openssl')
ekey=$(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'"
if [ $encrypt -ge 2 ]; then
ssl_dhparams=$(parse_cnf "$encgroups" 'ssl-dhparams')
fi
sockopt=$(parse_cnf sst sockopt)
progress=$(parse_cnf sst progress)
ttime=$(parse_cnf sst time 0)
cpat='.*\.pem$\|.*galera\.cache$\|.*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=$(parse_cnf "$bkgroups" 'inno-backup-opts')
iapts=$(parse_cnf "$bkgroups" 'inno-apply-opts')
impts=$(parse_cnf "$bkgroups" 'inno-move-opts')
use_memory=$(parse_cnf "$bkgroups" 'use-memory')
if [ -z "$use_memory" ]; then
if [ -n "$INNODB_BUFFER_POOL_SIZE" ]; then
use_memory="$INNODB_BUFFER_POOL_SIZE"
else
use_memory=$(parse_cnf '--mysqld' 'innodb-buffer-pool-size')
fi
fi
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=""
if [ $sstlogarchive -ne 0 ]; then
sstlogarchivedir=$(parse_cnf sst sst-log-archive-dir \
'/tmp/sst_log_archive')
if [ -n "$sstlogarchivedir" ]; then
sstlogarchivedir=$(trim_dir "$sstlogarchivedir")
fi
fi
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 "$sfmt" = 'xbstream' ]; then
sfmt='mbstream'
local STREAM_BIN=$(commandex "$sfmt")
if [ -z "$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 '$INFO_FILE' '$DONOR_INFO_FILE'"
fi
else
sfmt='tar'
if [ "$WSREP_SST_OPT_ROLE" = 'joiner' ]; then
strmcmd='tar xfi -'
else
strmcmd="tar cf - '$INFO_FILE' '$DONOR_INFO_FILE'"
fi
fi
wsrep_log_info "Streaming with $sfmt"
}
cleanup_at_exit()
{
# Since this is invoked just after exit NNN
local estatus=$?
if [ $estatus -ne 0 ]; then
wsrep_log_error "Cleanup after exit with status: $estatus"
elif [ -z "${coords:-}" -a "$WSREP_SST_OPT_ROLE" = 'joiner' ]; then
estatus=32
wsrep_log_error "Failed to get current position"
fi
[ "$(pwd)" != "$OLD_PWD" ] && cd "$OLD_PWD"
if [ "$WSREP_SST_OPT_ROLE" = 'donor' -o $estatus -ne 0 ]; then
if [ $estatus -ne 0 ]; then
wsrep_log_error "Removing $MAGIC_FILE file due to signal"
fi
[ -f "$MAGIC_FILE" ] && rm -f "$MAGIC_FILE" || :
[ -f "$DONOR_MAGIC_FILE" ] && rm -f "$DONOR_MAGIC_FILE" || :
[ -f "$DATA/$IST_FILE" ] && rm -f "$DATA/$IST_FILE" || :
fi
if [ "$WSREP_SST_OPT_ROLE" = 'joiner' ]; then
if [ -n "$BACKUP_PID" ]; then
if ps -p $BACKUP_PID >/dev/null 2>&1; then
wsrep_log_error \
"SST streaming process is still running. Killing..."
cleanup_pid $BACKUP_PID
fi
fi
wsrep_log_info "Removing the sst_in_progress file"
wsrep_cleanup_progress_file
fi
if [ -n "$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
local pgid=$(ps -o 'pgid=' $$ 2>/dev/null | grep -o -E '[0-9]+' || :)
# This means no setsid done in mysqld.
# We don't want to kill mysqld here otherwise.
if [ -n "$pgid" ]; then
if [ $$ -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|netcat'; 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
# mariadb-backup 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
local koption=0
if [ "$OS" = 'FreeBSD' -o "$OS" = 'NetBSD' -o "$OS" = 'OpenBSD' -o \
"$OS" = 'DragonFly' ]; then
if timeout 2>&1 | grep -qw -F -- '-k'; then
koption=1
fi
else
if timeout --help | grep -qw -F -- '-k'; then
koption=1
fi
fi
if [ $koption -ne 0 ]; then
ltcmd="timeout -k $(( tmt+10 )) $tmt $tcmd"
else
ltcmd="timeout -s 9 $tmt $tcmd"
fi
fi
fi
if [ $wait -ne 0 ]; then
wait_for_listen &
fi
cd "$dir"
set +e
timeit "$msg" "$ltcmd | $strmcmd; RC=( "\${PIPESTATUS[@]}" )"
set -e
cd "$OLD_PWD"
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 ($MAGIC_FILE)"
wsrep_log_info "Contents of datadir:"
wsrep_log_info "$(ls -l "$dir"/*)"
exit 32
fi
if [ -n "$MY_SECRET" ]; then
# Check donor supplied secret:
SECRET=$(grep -m1 -E "^$SECRET_TAG[[:space:]]" "$MAGIC_FILE" || :)
SECRET=$(trim_string "${SECRET#$SECRET_TAG}")
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
fi
if [ $WSREP_SST_OPT_PROGRESS -eq 1 ]; then
# check total SST footprint
payload=$(grep -m1 -E "^$TOTAL_TAG[[:space:]]" "$MAGIC_FILE" || :)
if [ -n "$payload" ]; then
payload=$(trim_string "${payload#$TOTAL_TAG}")
if [ $payload -ge 0 ]; then
# report to parent
echo "$TOTAL_TAG $payload"
fi
fi
fi
fi
}
send_donor()
{
local dir="$1"
local msg="$2"
cd "$dir"
set +e
timeit "$msg" "$strmcmd | $tcmd; RC=( "\${PIPESTATUS[@]}" )"
set -e
cd "$OLD_PWD"
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 :; 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 $sst_stream_pid >/dev/null 2>&1; then
break
fi
sleep 0.1
done
}
read_cnf
setup_ports
if [ "$progress" = 'none' ]; then
wsrep_log_info "All progress/rate-limiting disabled by configuration"
elif [ -z "$(commandex pv)" ]; then
wsrep_log_info "Progress reporting tool pv not found in path: $PATH"
wsrep_log_info "Disabling all progress/rate-limiting"
progress='none'
fi
if "$BACKUP_BIN" --help 2>/dev/null | grep -qw -F -- '--version-check'; then
disver=' --no-version-check'
fi
get_stream
get_transfer
findopt='-L'
[ "$OS" = 'FreeBSD' ] && findopt="$findopt -E"
wait_previous_sst
[ -f "$MAGIC_FILE" ] && rm -f "$MAGIC_FILE"
[ -f "$DONOR_MAGIC_FILE" ] && rm -f "$DONOR_MAGIC_FILE"
[ -f "$DATA/$IST_FILE" ] && rm -f "$DATA/$IST_FILE"
if [ $ssyslog -eq 1 ]; then
if [ -n "$(commandex logger)" ]; then
wsrep_log_info "Logging all stderr of SST/mariadb-backup 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_warning()
{
logger -p daemon.warning -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
if ! mkdir -p "$sstlogarchivedir"; then
sstlogarchivedir=""
wsrep_log_warning \
"Unable to create '$sstlogarchivedir' directory"
fi
elif [ ! -w "$sstlogarchivedir" ]; then
sstlogarchivedir=""
wsrep_log_warning \
"The '$sstlogarchivedir' directory is not writtable"
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" || \
wsrep_log_warning "Failed to archive log file ('$newfile')"
fi
if [ -e "$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 "$newfile" || \
wsrep_log_warning "Failed to archive log file ('$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" || \
wsrep_log_warning "Failed to archive log file ('$newfile')"
fi
fi
INNOAPPLY="> '$INNOAPPLYLOG' 2>&1"
INNOMOVE="> '$INNOMOVELOG' 2>&1"
INNOBACKUP="2> '$INNOBACKUPLOG'"
fi
setup_commands()
{
local mysqld_args=""
if [ -n "$WSREP_SST_OPT_MYSQLD" ]; then
mysqld_args=" --mysqld-args $WSREP_SST_OPT_MYSQLD"
fi
local recovery=""
if [ -n "$INNODB_FORCE_RECOVERY" ]; then
recovery=" --innodb-force-recovery=$INNODB_FORCE_RECOVERY"
fi
if [ -n "$use_memory" ]; then
INNOEXTRA="$INNOEXTRA --use-memory=$use_memory"
fi
INNOAPPLY="$BACKUP_BIN --prepare$disver$recovery${iapts:+ }$iapts$INNOEXTRA --target-dir='$DATA' --datadir='$DATA'$mysqld_args $INNOAPPLY"
INNOMOVE="$BACKUP_BIN$WSREP_SST_OPT_CONF --move-back$disver${impts:+ }$impts$INNOEXTRA --galera-info --force-non-empty-directories --target-dir='$DATA' --datadir='${TDATA:-$DATA}' $INNOMOVE"
INNOBACKUP="$BACKUP_BIN$WSREP_SST_OPT_CONF --backup$disver${iopts:+ }$iopts$tmpopts$INNOEXTRA --galera-info --stream=$sfmt --target-dir='$itmpdir' --datadir='$DATA'$mysqld_args $INNOBACKUP"
}
send_magic()
{
# Store donor's wsrep GTID (state ID) and wsrep_gtid_domain_id
# (separated by a space).
echo "$WSREP_SST_OPT_GTID $WSREP_SST_OPT_GTID_DOMAIN_ID" > "$MAGIC_FILE"
echo "$WSREP_SST_OPT_GTID $WSREP_SST_OPT_GTID_DOMAIN_ID" > "$DONOR_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
if [ $WSREP_SST_OPT_BYPASS -eq 0 -a $WSREP_SST_OPT_PROGRESS -eq 1 ]; then
# Tell joiner what to expect:
echo "$TOTAL_TAG $payload" >> "$MAGIC_FILE"
fi
}
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)"
itmpdir="$(mktemp -d)"
elif [ "$OS" = 'Linux' ]; then
xtmpdir=$(mktemp -d "--tmpdir=$tmpdir")
itmpdir=$(mktemp -d "--tmpdir=$tmpdir")
else
xtmpdir=$(TMPDIR="$tmpdir"; mktemp -d)
itmpdir=$(TMPDIR="$tmpdir"; mktemp -d)
fi
wsrep_log_info "Using '$xtmpdir' as mariadb-backup temporary directory"
tmpopts=" --tmpdir='$xtmpdir'"
wsrep_log_info "Using '$itmpdir' as mariadb-backup working directory"
if [ -n "$WSREP_SST_OPT_USER" ]; then
INNOEXTRA="$INNOEXTRA --user='$WSREP_SST_OPT_USER'"
fi
if [ -n "$WSREP_SST_OPT_PSWD" ]; then
export MYSQL_PWD="$WSREP_SST_OPT_PSWD"
elif [ -n "$WSREP_SST_OPT_USER" ]; then
# Empty password, used for testing, debugging etc.
unset MYSQL_PWD
fi
check_extra
if [ -n "$progress" -o $WSREP_SST_OPT_PROGRESS -eq 1 ]; then
wsrep_log_info "Estimating total transfer size"
get_footprint
wsrep_log_info "To transfer: $payload"
else
adjust_progress
fi
wsrep_log_info "Streaming GTID file before SST"
send_magic
ttcmd="$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 "$pcmd" ]; then
if [ -n "$rcmd" ]; then
# redirect pv stderr to rcmd for tagging and output to parent
tcmd="{ $pcmd 2>&3 | $tcmd; } 3>&1 | $rcmd"
else
# use user-configured pv output
tcmd="$pcmd | $tcmd"
fi
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:+ }$iopts"
fi
# if compression is enabled for backup files, then add the
# appropriate options to the mariadb-backup command line:
if [ "$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 "mariadb-backup 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: ${RC[1]}"
exit 22
fi
else # BYPASS FOR IST
wsrep_log_info "Bypassing the SST for IST"
echo 'continue' # now server can resume updating data
send_magic
echo '1' > "$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: $totime seconds"
else # joiner
create_dirs 1
[ -e "$SST_PROGRESS_FILE" ] && \
wsrep_log_info "Stale sst_in_progress file: $SST_PROGRESS_FILE"
[ -n "$SST_PROGRESS_FILE" ] && touch "$SST_PROGRESS_FILE"
if [ -n "$backup_threads" ]; then
impts="--parallel=$backup_threads${impts:+ }$impts"
fi
stagemsg='Joiner-Recv'
MODULE="${WSREP_SST_OPT_MODULE:-xtrabackup_sst}"
ADDR="$WSREP_SST_OPT_HOST"
if [ "${tmode#VERIFY}" != "$tmode" ]; then
# backward-incompatible behavior:
CN=""
if [ -n "$tpem" ]; then
CN=$(openssl_getCN "$tpem")
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
get_keys
if [ $encrypt -eq 1 ]; then
strmcmd="$ecmd | $strmcmd"
fi
if [ -n "$sdecomp" ]; then
strmcmd="$sdecomp | $strmcmd"
fi
check_sockets_utils
trap cleanup_at_exit EXIT
STATDIR="$(mktemp -d)"
MAGIC_FILE="$STATDIR/$INFO_FILE"
DONOR_MAGIC_FILE="$STATDIR/$DONOR_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/$IST_FILE" ]; then
adjust_progress
if [ -n "$pcmd" ]; then
if [ -n "$rcmd" ]; then
# redirect pv stderr to rcmd for tagging and output to parent
strmcmd="{ $pcmd 2>&3 | $strmcmd; } 3>&1 | $rcmd"
else
# use user-configured pv output
strmcmd="$pcmd | $strmcmd"
fi
fi
if [ -d "$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" "$stagemsg-SST" 0 0 0) &
BACKUP_PID=$!
wsrep_log_info "Proceeding with SST"
get_binlog
if [ -n "$WSREP_SST_OPT_BINLOG" ]; then
binlog_dir=$(dirname "$WSREP_SST_OPT_BINLOG")
binlog_base=$(basename "$WSREP_SST_OPT_BINLOG")
binlog_index="$WSREP_SST_OPT_BINLOG_INDEX"
cd "$DATA"
wsrep_log_info "Cleaning the old binary logs"
# If there is a file with binlogs state, delete it:
[ -f "$binlog_base.state" ] && rm "$binlog_base.state" >&2
# Clean up the old binlog files and index:
if [ -f "$binlog_index" ]; then
while read bin_file || [ -n "$bin_file" ]; do
rm -f "$bin_file" >&2 || :
done < "$binlog_index"
rm "$binlog_index" >&2
fi
if [ -n "$binlog_dir" -a "$binlog_dir" != '.' -a \
-d "$binlog_dir" ]
then
cd "$binlog_dir"
if [ "$(pwd)" != "$DATA_DIR" ]; then
wsrep_log_info \
"Cleaning the binlog directory '$binlog_dir' as well"
fi
fi
rm -f "$binlog_base".[0-9]* >&2 || :
cd "$OLD_PWD"
fi
wsrep_log_info \
"Cleaning the existing datadir and innodb-data/log directories"
find $findopt ${ib_home_dir:+"$ib_home_dir"} \
${ib_undo_dir:+"$ib_undo_dir"} \
${ib_log_dir:+"$ib_log_dir"} \
${ar_log_dir:+"$ar_log_dir"} \
"$DATA" -mindepth 1 -prune -regex "$cpat" \
-o -exec rm -rf {} >&2 \+
# Deleting files from previous SST and legacy files from old versions:
[ -f "$DATA/xtrabackup_binary" ] && rm -f "$DATA/xtrabackup_binary"
[ -f "$DATA/xtrabackup_pid" ] && rm -f "$DATA/xtrabackup_pid"
[ -f "$DATA/xtrabackup_checkpoints" ] && rm -f "$DATA/xtrabackup_checkpoints"
[ -f "$DATA/xtrabackup_info" ] && rm -f "$DATA/xtrabackup_info"
[ -f "$DATA/xtrabackup_slave_info" ] && rm -f "$DATA/xtrabackup_slave_info"
[ -f "$DATA/xtrabackup_binlog_info" ] && rm -f "$DATA/xtrabackup_binlog_info"
[ -f "$DATA/xtrabackup_binlog_pos_innodb" ] && rm -f "$DATA/xtrabackup_binlog_pos_innodb"
TDATA="$DATA"
DATA="$DATA/.sst"
MAGIC_FILE="$DATA/$INFO_FILE"
wsrep_log_info "Waiting for SST streaming to complete!"
monitor_process $BACKUP_PID
BACKUP_PID=""
if [ ! -s "$DATA/xtrabackup_checkpoints" ]; then
wsrep_log_error "xtrabackup_checkpoints missing," \
"failed mariadb-backup/SST on donor"
exit 2
fi
# Compact backups are not supported by mariadb-backup
if grep -qw -F 'compact = 1' "$DATA/xtrabackup_checkpoints"; then
wsrep_log_info "Index compaction detected"
wsrep_log_error "Compact backups are not supported by mariadb-backup"
exit 2
fi
qpfiles=$(find $findopt "$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" -a "$progress" != 'none' ] && \
pv --help | grep -qw -F -- '--line-mode'
then
count=$(find $findopt "$DATA" -maxdepth 1 -type f -name '*.qp' | wc -l)
count=$(( count*2 ))
pvopts='-f -l -N Decompression'
pvformat="-F '%N => Rate:%r Elapsed:%t %e Progress: [%b/$count]'"
payload=$count
adjust_progress
dcmd="$pcmd | $dcmd"
fi
# Decompress the qpress files
wsrep_log_info "Decompression with $nproc threads"
timeit 'Joiner-Decompression' \
"find $findopt '$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 $findopt "$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
wsrep_log_info "Preparing the backup at $DATA"
setup_commands
timeit 'mariadb-backup prepare stage' "$INNOAPPLY"
if [ $? -ne 0 ]; then
wsrep_log_error "mariadb-backup apply finished with errors." \
"Check syslog or '$INNOAPPLYLOG' for details."
exit 22
fi
if [ -n "$WSREP_SST_OPT_BINLOG" ]; then
cd "$DATA"
binlogs=""
if [ -f 'xtrabackup_binlog_info' ]; then
NL=$'\n'
while read bin_string || [ -n "$bin_string" ]; do
bin_file=$(echo "$bin_string" | cut -f1)
if [ -f "$bin_file" ]; then
binlogs="$binlogs${binlogs:+$NL}$bin_file"
fi
done < 'xtrabackup_binlog_info'
else
binlogs=$(ls -d -1 "$binlog_base".[0-9]* 2>/dev/null || :)
fi
cd "$DATA_DIR"
if [ -n "$binlog_dir" -a "$binlog_dir" != '.' -a \
"$binlog_dir" != "$DATA_DIR" ]
then
[ ! -d "$binlog_dir" ] && mkdir -p "$binlog_dir"
fi
index_dir=$(dirname "$binlog_index");
if [ -n "$index_dir" -a "$index_dir" != '.' -a \
"$index_dir" != "$DATA_DIR" ]
then
[ ! -d "$index_dir" ] && mkdir -p "$index_dir"
fi
if [ -n "$binlogs" ]; then
wsrep_log_info "Moving binary logs to $binlog_dir"
echo "$binlogs" | \
while read bin_file || [ -n "$bin_file" ]; do
mv "$DATA/$bin_file" "$binlog_dir"
echo "$binlog_dir${binlog_dir:+/}$bin_file" >> "$binlog_index"
done
fi
cd "$OLD_PWD"
fi
MAGIC_FILE="$TDATA/$INFO_FILE"
DONOR_MAGIC_FILE="$TDATA/$DONOR_INFO_FILE"
wsrep_log_info "Moving the backup to $TDATA"
timeit 'mariadb-backup move stage' "$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"
if [ $WSREP_SST_OPT_BYPASS -eq 0 ]; then
readonly WSREP_SST_OPT_BYPASS=1
readonly WSREP_TRANSFER_TYPE='IST'
fi
fi
if [ ! -r "$MAGIC_FILE" ]; then
wsrep_log_error "Internal error: SST magic file '$MAGIC_FILE'" \
"not found or not readable"
exit 2
fi
simulate_long_sst
# use donor magic file, if present
# if IST was used, donor magic file was not created
# Remove special tags from the magic file, and from the output:
if [ -r "$DONOR_MAGIC_FILE" ]; then
coords=$(head -n1 "$DONOR_MAGIC_FILE")
wsrep_log_info "Galera co-ords from donor: $coords"
else
coords=$(head -n1 "$MAGIC_FILE")
wsrep_log_info "Galera co-ords from recovery: $coords"
fi
echo "$coords" # Output : UUID:seqno wsrep_gtid_domain_id
wsrep_log_info "Total time on joiner: $totime seconds"
fi
wsrep_log_info "$WSREP_METHOD $WSREP_TRANSFER_TYPE completed on $WSREP_SST_OPT_ROLE"
exit 0