mirror of
https://github.com/MariaDB/server.git
synced 2025-10-31 19:06:14 +01:00
1595 lines
52 KiB
Bash
1595 lines
52 KiB
Bash
#!/usr/bin/env bash
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set -ue
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# Copyright (C) 2017-2024 MariaDB
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# Copyright (C) 2013 Percona Inc
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; see the file COPYING. If not, write to the
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# Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston
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# MA 02110-1335 USA.
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# This is a reference script for mariadb-backup-based state snapshot transfer.
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# Documentation:
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# https://mariadb.com/kb/en/mariabackup-overview/
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# Make sure to read that before proceeding!
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. $(dirname "$0")/wsrep_sst_common
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BACKUP_BIN=$(commandex 'mariadb-backup')
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if [ -z "$BACKUP_BIN" ]; then
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wsrep_log_error 'mariadb-backup binary not found in path'
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exit 42
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fi
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BACKUP_PID=""
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INFO_FILE='mariadb_backup_galera_info'
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DONOR_INFO_FILE='donor_galera_info'
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IST_FILE='xtrabackup_ist'
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MAGIC_FILE="$DATA/$INFO_FILE"
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DONOR_MAGIC_FILE="$DATA/$DONOR_INFO_FILE"
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ealgo=""
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eformat=""
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ekey=""
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ekeyfile=""
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encrypt=0
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ssyslog=""
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ssystag=""
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tcert=""
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tcap=""
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tpem=""
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tkey=""
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tmode=""
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sockopt=""
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progress=""
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ttime=0
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totime=0
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lsn=""
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ecmd=""
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rlimit=""
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# Initially
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stagemsg="$WSREP_SST_OPT_ROLE"
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cpat=""
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speciald=1
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ib_home_dir=""
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ib_log_dir=""
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ib_undo_dir=""
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ar_log_dir=""
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sfmt=""
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strmcmd=""
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tfmt=""
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tcmd=""
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payload=0
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pvformat="-F '%N => Rate:%r Avg:%a Elapsed:%t %e Bytes: %b %p'"
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pvopts="-f -i 10 -N $WSREP_SST_OPT_ROLE"
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uextra=0
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disver=""
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STATDIR=""
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tmpopts=""
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itmpdir=""
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xtmpdir=""
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scomp=""
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sdecomp=""
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ssl_dhparams=""
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compress='none'
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compress_chunk=""
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compress_threads=""
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backup_threads=""
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encrypt_threads=""
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encrypt_chunk=""
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readonly SECRET_TAG='secret'
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readonly TOTAL_TAG='total'
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# Required for backup locks
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# For backup locks it is 1 sent by joiner
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sst_ver=1
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INNOAPPLYLOG="$DATA/mariabackup.prepare.log"
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INNOMOVELOG="$DATA/mariabackup.move.log"
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INNOBACKUPLOG="$DATA/mariabackup.backup.log"
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timeit()
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{
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local stage="$1"
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shift
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local cmd="$@"
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local x1 x2 took extcode
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if [ $ttime -eq 1 ]; then
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x1=$(date +%s)
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fi
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wsrep_log_info "Evaluating $cmd"
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eval $cmd
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extcode=$?
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if [ $ttime -eq 1 ]; then
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x2=$(date +%s)
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took=$(( x2-x1 ))
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wsrep_log_info "NOTE: $stage took $took seconds"
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totime=$(( totime+took ))
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fi
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return $extcode
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}
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get_keys()
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{
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# $encrypt -eq 1 is for internal purposes only
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if [ $encrypt -ge 2 -o $encrypt -eq -1 ]; then
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return
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fi
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if [ $encrypt -eq 0 ]; then
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if [ -n "$ealgo" -o -n "$ekey" -o -n "$ekeyfile" ]; then
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wsrep_log_error "Options for encryption are specified," \
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"but encryption itself is disabled. SST may fail."
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fi
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return
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fi
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if [ "$sfmt" = 'tar' ]; then
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wsrep_log_info "NOTE: key-based encryption (encrypt=1)" \
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"cannot be enabled with tar format"
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encrypt=-1
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return
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fi
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wsrep_log_info "Key based encryption enabled in my.cnf"
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if [ -z "$ealgo" ]; then
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wsrep_log_error "FATAL: Encryption algorithm empty from my.cnf, bailing out"
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exit 3
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fi
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if [ -z "$ekey" -a ! -r "$ekeyfile" ]; then
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wsrep_log_error "FATAL: Either key must be specified" \
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"or keyfile must be readable"
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exit 3
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fi
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if [ "$eformat" = 'openssl' ]; then
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get_openssl
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if [ -z "$OPENSSL_BINARY" ]; then
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wsrep_log_error "If encryption using the openssl is enabled," \
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"then you need to install openssl"
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exit 2
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fi
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ecmd="'$OPENSSL_BINARY' enc -$ealgo"
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if "$OPENSSL_BINARY" enc -help 2>&1 | grep -qw -F -- '-pbkdf2'; then
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ecmd="$ecmd -pbkdf2"
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elif "$OPENSSL_BINARY" enc -help 2>&1 | grep -qw -F -- '-iter'; then
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ecmd="$ecmd -iter 1"
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elif "$OPENSSL_BINARY" enc -help 2>&1 | grep -qw -F -- '-md'; then
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ecmd="$ecmd -md sha256"
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fi
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if [ -z "$ekey" ]; then
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ecmd="$ecmd -kfile '$ekeyfile'"
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else
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ecmd="$ecmd -k '$ekey'"
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fi
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elif [ "$eformat" = 'xbcrypt' ]; then
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if [ -z "$(commandex xbcrypt)" ]; then
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wsrep_log_error "If encryption using the xbcrypt is enabled," \
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"then you need to install xbcrypt"
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exit 2
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fi
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wsrep_log_info "NOTE: xbcrypt-based encryption," \
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"supported only from Xtrabackup 2.1.4"
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if [ -z "$ekey" ]; then
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ecmd="xbcrypt --encrypt-algo='$ealgo' --encrypt-key-file='$ekeyfile'"
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else
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ecmd="xbcrypt --encrypt-algo='$ealgo' --encrypt-key='$ekey'"
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fi
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if [ -n "$encrypt_threads" ]; then
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ecmd="$ecmd --encrypt-threads=$encrypt_threads"
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fi
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if [ -n "$encrypt_chunk" ]; then
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ecmd="$ecmd --encrypt-chunk-size=$encrypt_chunk"
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fi
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else
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wsrep_log_error "Unknown encryption format='$eformat'"
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exit 2
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fi
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[ "$WSREP_SST_OPT_ROLE" = 'joiner' ] && ecmd="$ecmd -d"
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stagemsg="$stagemsg-XB-Encrypted"
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}
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get_socat_ver()
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{
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[ -n "${SOCAT_VERSION+x}" ] && return
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# Determine the socat version
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SOCAT_VERSION=$(socat -V 2>&1 | \
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grep -m1 -owE '[0-9]+(\.[0-9]+)+' | \
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head -n1 || :)
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if [ -z "$SOCAT_VERSION" ]; then
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wsrep_log_error "******** FATAL ERROR ******************"
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wsrep_log_error "* Cannot determine the socat version. *"
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wsrep_log_error "***************************************"
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exit 2
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fi
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}
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get_transfer()
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{
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if [ "$tfmt" = 'nc' ]; then
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wsrep_log_info "Using netcat as streamer"
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wsrep_check_programs nc
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tcmd='nc'
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if [ "$WSREP_SST_OPT_ROLE" = 'joiner' ]; then
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if nc -h 2>&1 | grep -q -F 'ncat'; then
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wsrep_log_info "Using Ncat as streamer"
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tcmd="$tcmd -l"
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elif nc -h 2>&1 | grep -qw -F -- '-d'; then
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wsrep_log_info "Using Debian netcat as streamer"
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tcmd="$tcmd -dl"
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if [ $WSREP_SST_OPT_HOST_IPv6 -eq 1 ]; then
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# When host is not explicitly specified (when only the port
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# is specified) netcat can only bind to an IPv4 address if
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# the "-6" option is not explicitly specified:
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tcmd="$tcmd -6"
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fi
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else
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wsrep_log_info "Using traditional netcat as streamer"
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tcmd="$tcmd -l -p"
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fi
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tcmd="$tcmd $SST_PORT"
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else
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# Check to see if netcat supports the '-N' flag.
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# -N Shutdown the network socket after EOF on stdin
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# If it supports the '-N' flag, then we need to use the '-N'
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# flag, otherwise the transfer will stay open after the file
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# transfer and cause the command to timeout.
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# Older versions of netcat did not need this flag and will
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# return an error if the flag is used.
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if nc -h 2>&1 | grep -qw -F -- '-N'; then
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tcmd="$tcmd -N"
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wsrep_log_info "Using nc -N"
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fi
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# netcat doesn't understand [] around IPv6 address
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if nc -h 2>&1 | grep -q -F 'ncat'; then
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wsrep_log_info "Using Ncat as streamer"
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elif nc -h 2>&1 | grep -qw -F -- '-d'; then
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wsrep_log_info "Using Debian netcat as streamer"
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else
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wsrep_log_info "Using traditional netcat as streamer"
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tcmd="$tcmd -q0"
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fi
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tcmd="$tcmd $WSREP_SST_OPT_HOST_UNESCAPED $SST_PORT"
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fi
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else
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tfmt='socat'
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wsrep_log_info "Using socat as streamer"
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wsrep_check_programs socat
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if [ -n "$sockopt" ]; then
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sockopt=$(trim_string "$sockopt" ',')
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if [ -n "$sockopt" ]; then
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sockopt=",$sockopt"
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fi
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fi
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# Add an option for ipv6 if needed:
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if [ $WSREP_SST_OPT_HOST_IPv6 -eq 1 ]; then
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# If sockopt contains 'pf=ip6' somewhere in the middle,
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# this will not interfere with socat, but exclude the trivial
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# cases when sockopt contains 'pf=ip6' as prefix or suffix:
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if [ "$sockopt" = "${sockopt#,pf=ip6,}" -a \
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"$sockopt" = "${sockopt%,pf=ip6}" ]
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then
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sockopt=",pf=ip6$sockopt"
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fi
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fi
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if [ $encrypt -lt 2 ]; then
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if [ "$WSREP_SST_OPT_ROLE" = 'joiner' ]; then
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tcmd="socat -u TCP-LISTEN:$SST_PORT,reuseaddr$sockopt stdio"
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else
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tcmd="socat -u stdio TCP:$REMOTEIP:$SST_PORT$sockopt"
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fi
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return
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fi
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if ! socat -V | grep -q -F 'WITH_OPENSSL 1'; then
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wsrep_log_error "******** FATAL ERROR ************************************************ "
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wsrep_log_error "* Encryption requested, but socat is not OpenSSL enabled (encrypt=$encrypt) *"
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wsrep_log_error "********************************************************************* "
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exit 2
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fi
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local action='Decrypting'
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if [ "$WSREP_SST_OPT_ROLE" = 'joiner' ]; then
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tcmd="socat -u openssl-listen:$SST_PORT,reuseaddr"
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else
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local addr="$REMOTEIP:$SST_PORT"
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tcmd="socat -u stdio openssl-connect:$addr"
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action='Encrypting'
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get_socat_ver
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if ! check_for_version "$SOCAT_VERSION" '1.7.4.1'; then
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if check_for_version "$SOCAT_VERSION" '1.7.3.3'; then
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# Workaround for a bug known as 'Red Hat issue 1870279'
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# (connection reset by peer) in socat versions 1.7.3.3
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# to 1.7.4.0:
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tcmd="socat stdio openssl-connect:$addr,linger=10"
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wsrep_log_info \
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"Use workaround for socat $SOCAT_VERSION bug"
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fi
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fi
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if check_for_version "$SOCAT_VERSION" '1.7.4'; then
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tcmd="$tcmd,no-sni=1"
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fi
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fi
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if [ "${sockopt#*,dhparam=}" = "$sockopt" ]; then
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if [ -z "$ssl_dhparams" ]; then
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get_socat_ver
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if ! check_for_version "$SOCAT_VERSION" '1.7.3'; then
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# socat versions < 1.7.3 will have 512-bit dhparams (too small)
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# so create 2048-bit dhparams and send that as a parameter:
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check_for_dhparams
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fi
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fi
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if [ -n "$ssl_dhparams" ]; then
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tcmd="$tcmd,dhparam='$ssl_dhparams'"
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fi
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fi
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CN_option=",commonname=''"
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if [ $encrypt -eq 2 ]; then
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wsrep_log_info \
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"Using openssl based encryption with socat: with crt and pem"
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if [ -z "$tpem" -o -z "$tcert$tcap" ]; then
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wsrep_log_error \
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"Both PEM file and CRT file (or path) are required"
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exit 22
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fi
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verify_ca_matches_cert "$tpem" "$tcert" "$tcap"
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tcmd="$tcmd,cert='$tpem'"
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if [ -n "$tcert" ]; then
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tcmd="$tcmd,cafile='$tcert'"
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fi
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if [ -n "$tcap" ]; then
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tcmd="$tcmd,capath='$tcap'"
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fi
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stagemsg="$stagemsg-OpenSSL-Encrypted-2"
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wsrep_log_info "$action with cert='$tpem', ca='$tcert', capath='$tcap'"
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elif [ $encrypt -eq 3 -o $encrypt -eq 4 ]; then
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wsrep_log_info \
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"Using openssl based encryption with socat: with key and crt"
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if [ -z "$tpem" -o -z "$tkey" ]; then
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wsrep_log_error "Both the certificate file (or path) and" \
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"the key file are required"
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exit 22
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fi
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verify_cert_matches_key "$tpem" "$tkey"
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stagemsg="$stagemsg-OpenSSL-Encrypted-3"
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if [ -z "$tcert$tcap" ]; then
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if [ $encrypt -eq 4 ]; then
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wsrep_log_error \
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"Peer certificate file (or path) required if encrypt=4"
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exit 22
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fi
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# no verification
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CN_option=""
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tcmd="$tcmd,cert='$tpem',key='$tkey',verify=0"
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wsrep_log_info \
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"$action with cert='$tpem', key='$tkey', verify=0"
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else
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# CA verification
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verify_ca_matches_cert "$tpem" "$tcert" "$tcap"
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if [ -n "$WSREP_SST_OPT_REMOTE_USER" ]; then
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CN_option=",commonname='$WSREP_SST_OPT_REMOTE_USER'"
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elif [ "$WSREP_SST_OPT_ROLE" = 'joiner' -o $encrypt -eq 4 ]
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then
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CN_option=",commonname=''"
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elif is_local_ip "$WSREP_SST_OPT_HOST_UNESCAPED"; then
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CN_option=',commonname=localhost'
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else
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CN_option=",commonname='$WSREP_SST_OPT_HOST_UNESCAPED'"
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fi
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tcmd="$tcmd,cert='$tpem',key='$tkey'"
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if [ -n "$tcert" ]; then
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tcmd="$tcmd,cafile='$tcert'"
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fi
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if [ -n "$tcap" ]; then
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tcmd="$tcmd,capath='$tcap'"
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fi
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wsrep_log_info "$action with cert='$tpem', key='$tkey'," \
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"ca='$tcert', capath='$tcap'"
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fi
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else
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wsrep_log_info "Unknown encryption mode: encrypt=$encrypt"
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exit 22
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fi
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tcmd="$tcmd$CN_option$sockopt"
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if [ "$WSREP_SST_OPT_ROLE" = 'joiner' ]; then
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tcmd="$tcmd stdio"
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fi
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fi
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}
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get_footprint()
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{
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cd "$DATA_DIR"
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local payload_data
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if [ "$OS" = 'Linux' ]; then
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payload_data=$(find $findopt . \
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-regex '.*undo[0-9]+$\|.*\.ibd$\|.*\.MYI$\|.*\.MYD$\|.*ibdata1$' \
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-type f -print0 | du --files0-from=- --bytes -c -s | \
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awk 'END { print $1 }')
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else
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payload_data=$(find $findopt . \
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-regex '.*undo[0-9]+$|.*\.ibd$|.*\.MYI$\.*\.MYD$|.*ibdata1$' \
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-type f -print0 | xargs -0 stat -f '%z' | \
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awk '{ sum += $1 } END { print sum }')
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fi
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local payload_undo=0
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if [ -n "$ib_undo_dir" -a "$ib_undo_dir" != '.' -a \
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"$ib_undo_dir" != "$DATA_DIR" -a -d "$ib_undo_dir" ]
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then
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cd "$ib_undo_dir"
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if [ "$OS" = 'Linux' ]; then
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payload_undo=$(find . -regex '.*undo[0-9]+$' -type f -print0 | \
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du --files0-from=- --bytes -c -s | awk 'END { print $1 }')
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else
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payload_undo=$(find . -regex '.*undo[0-9]+$' -type f -print0 | \
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xargs -0 stat -f '%z' | awk '{ sum += $1 } END { print sum }')
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fi
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fi
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cd "$OLD_PWD"
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wsrep_log_info \
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"SST footprint estimate: data: $payload_data, undo: $payload_undo"
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payload=$(( payload_data+payload_undo ))
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|
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if [ "$compress" != 'none' ]; then
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# QuickLZ has around 50% compression ratio
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# When compression/compaction used, the progress is only an approximate.
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payload=$(( payload*1/2 ))
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fi
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if [ $WSREP_SST_OPT_PROGRESS -eq 1 ]; then
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# report to parent the total footprint of the SST
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echo "$TOTAL_TAG $payload"
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fi
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|
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adjust_progress
|
|
}
|
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|
|
adjust_progress()
|
|
{
|
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pcmd=""
|
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rcmd=""
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|
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[ "$progress" = 'none' ] && return
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|
|
|
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 "$tkey" ]
|
|
then
|
|
encrypt=3 # enable cert/key SSL encryption
|
|
# avoid CA verification if not set explicitly:
|
|
# nodes may happen to have different CA if self-generated,
|
|
# zeroing up tcert and tcap does the trick:
|
|
if [ "${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
|
|
:
|
|
elif [ -r "$dir/xtrabackup_galera_info" ]; then
|
|
mv "$dir/xtrabackup_galera_info" "$MAGIC_FILE"
|
|
wsrep_log_info "the SST donor uses an old version" \
|
|
"of mariabackup or xtrabackup"
|
|
else
|
|
# this message should cause joiner to abort:
|
|
wsrep_log_error "receiving process ended without creating" \
|
|
"magic file ($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:+ }$iopts"
|
|
|
|
# if compression is enabled for backup files, then add the
|
|
# appropriate options to the mariadb-backup command line:
|
|
if [ "$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 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"
|
|
|
|
# Deleting files from previous SST:
|
|
[ -f "$DATA/mariadb_backup_checkpoints" ] && rm -f "$DATA/mariadb_backup_checkpoints"
|
|
[ -f "$DATA/mariadb_backup_info" ] && rm -f "$DATA/mariadb_backup_info"
|
|
[ -f "$DATA/mariadb_backup_slave_info" ] && rm -f "$DATA/mariadb_backup_slave_info"
|
|
[ -f "$DATA/mariadb_backup_binlog_info" ] && rm -f "$DATA/mariadb_backup_binlog_info"
|
|
[ -f "$DATA/mariadb_backup_binlog_pos_innodb" ] && rm -f "$DATA/mariadb_backup_binlog_pos_innodb"
|
|
|
|
TDATA="$DATA"
|
|
DATA="$DATA/.sst"
|
|
MAGIC_FILE="$DATA/$INFO_FILE"
|
|
|
|
wsrep_log_info "Waiting for SST streaming to complete!"
|
|
monitor_process $BACKUP_PID
|
|
BACKUP_PID=""
|
|
|
|
# It is possible that the old version of the galera
|
|
# information file will be transferred second time:
|
|
if [ ! -f "$DATA/$INFO_FILE" -a \
|
|
-f "$DATA/xtrabackup_galera_info" ]
|
|
then
|
|
mv "$DATA/xtrabackup_galera_info" "$DATA/$INFO_FILE"
|
|
fi
|
|
|
|
# Correcting the name of the common information file
|
|
# if the donor has an old version:
|
|
if [ ! -f "$DATA/mariadb_backup_info" -a \
|
|
-f "$DATA/xtrabackup_info" ]
|
|
then
|
|
mv "$DATA/xtrabackup_info" "$DATA/mariadb_backup_info"
|
|
wsrep_log_info "general information file with a legacy" \
|
|
"name has been renamed"
|
|
fi
|
|
|
|
# Correcting the name for the file with the binlog position
|
|
# for the master if the donor has an old version:
|
|
if [ ! -f "$DATA/mariadb_backup_slave_info" -a \
|
|
-f "$DATA/xtrabackup_slave_info" ]
|
|
then
|
|
mv "$DATA/xtrabackup_slave_info" "$DATA/mariadb_backup_slave_info"
|
|
wsrep_log_info "binlog position file with a legacy" \
|
|
"name has been renamed"
|
|
fi
|
|
|
|
# An old version of the donor may send a checkpoints
|
|
# list file under an outdated name:
|
|
if [ ! -f "$DATA/mariadb_backup_checkpoints" -a \
|
|
-f "$DATA/xtrabackup_checkpoints" ]
|
|
then
|
|
mv "$DATA/xtrabackup_checkpoints" "$DATA/mariadb_backup_checkpoints"
|
|
wsrep_log_info "list of checkpoints with a legacy" \
|
|
"name has been renamed"
|
|
fi
|
|
|
|
if [ ! -s "$DATA/mariadb_backup_checkpoints" ]; then
|
|
wsrep_log_error "mariadb_backup_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' "$DATA/mariadb_backup_checkpoints"; then
|
|
wsrep_log_info "Index compaction detected"
|
|
wsrep_log_error "Compact backups are not supported by mariadb-backup"
|
|
exit 2
|
|
fi
|
|
|
|
qpfiles=$(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: $extcode"
|
|
exit 22
|
|
fi
|
|
fi
|
|
|
|
# An old version of the donor may send a binary logs
|
|
# list file under an outdated name:
|
|
if [ ! -f "$DATA/mariadb_backup_binlog_info" -a \
|
|
-f "$DATA/xtrabackup_binlog_info" ]
|
|
then
|
|
mv "$DATA/xtrabackup_binlog_info" "$DATA/mariadb_backup_binlog_info"
|
|
wsrep_log_info "list of binary logs with a legacy" \
|
|
"name has been renamed"
|
|
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 'mariadb_backup_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}$bin_file"
|
|
fi
|
|
done < 'mariadb_backup_binlog_info'
|
|
else
|
|
binlogs=$(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
|