141 lines
4.1 KiB
Bash
Executable File
141 lines
4.1 KiB
Bash
Executable File
#!/bin/sh
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#
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# MySQL backup script
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# Set authorisation and host paramethers in homedir .my.cnf param. Read README.md
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#
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# dnf install https://repo.percona.com/yum/percona-release-latest.noarch.rpm
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# dnf install percona-xtrabackup-80.x86_64
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# dnf install qpress
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# dnf install rsync
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#
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# RESTORE
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# xtrabackup --decompress --target-dir=/data/compressed/
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# xtrabackup --move-back --target-dir=/data/compressed/
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#
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# Make Replication
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# https://docs.percona.com/percona-xtrabackup/8.0/create-gtid-replica.html#3-move-the-backup-to-the-destination-server
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#
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usage()
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{
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echo "Usage: mysql_xtrabackup.sh -d /var/backup -n daily [-c 10 -s --compress --compress-threads=6 -e test@domain.org]"
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echo
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echo "-d | --dir :: backup directory"
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echo "-n | --name :: backup name"
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echo "-c | --copies :: number of copies to store (default: 10)"
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echo "-e | --email :: notification email"
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echo "-i | --ignore-database"
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echo "--compress-threads :: number of worker threads to compress. (default: 2)"
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echo "-q | --quiet :: silent mode"
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echo "--pid-file :: pid file default ${pidfile}"
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echo "-h | --help :: display this help"
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}
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error()
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{
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echo -e "\033[0;31m${1}\e[00m" ;
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if ! [ "${email}" = "" ] ; then
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echo "ERROR: `hostname`, ${script}: ${1}" | mail -s "'ERROR: `hostname`, ${script}: ${1}'" ${email} ;
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fi
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}
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export PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin" ;
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script="$(basename "$(test -L "${0}" && readlink "${0}" || echo "${0}")")" ;
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pidfile="/tmp/`basename ${0}`.pid" ;
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while [ "${1}" != "" ]; do
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case ${1} in
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-d | --dir ) shift
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dir=${1} ;
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;;
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-n | --name ) shift
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name=${1} ;
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;;
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-c | --copies ) shift
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copies=${1} ;
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;;
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-e | --email ) shift
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email=${1} ;
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;;
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-i | --ignore-database ) shift
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ignore_database=${1} ;
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;;
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--compress-threads ) shift
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compress_threads=${1}
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;;
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-q | --quiet ) quiet=1
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;;
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--pid-file ) shift
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pidfile=${1}
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;;
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-h | --help ) usage ;
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exit 0;
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;;
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* ) echo "Uncnown option ${1}!" ;
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usage ;
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exit 1 ;
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esac
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shift
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done
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if [ "${copies}" = "" ] || [ ! -n "${copies}" ] || [ "${copies}" -le "0" ] ;
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then
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copies=10 ;
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fi
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if [ "${compress_threads}" = "" ] || [ ! -n "${compress_threads}" ] || [ "${compress_threads}" -lt "0" ] ;
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then
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compress_threads=2 ;
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fi
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if [ "${dir}" = "" ] || [ ! -d ${dir} ] ; then
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error "Directory '${dir}' does not exists!" ;
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exit 1 ;
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fi
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# sleep random 1-6 sec for crone
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sleep `shuf -i0-9 -n1` ;
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if [ -s ${pidfile} ] ; then
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error "ERROR: `hostname` script ${script} already running! Pid file \"${pidfile}\" exists!" ;
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exit 1 ;
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fi
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trap "rm -f ${pidfile} ;" EXIT INT KILL TERM SIGKILL SIGTERM SIGHUP ERR ;
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echo $$ > ${pidfile} ;
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prefix="mysql_xtrabackup.`hostname -s`.${name}";
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if [ `ls -t ${dir} | grep ${prefix} | wc -l` -ge "${copies}" ] ; then
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i=1 ;
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for filename in `ls ${dir} | grep ${prefix} | sort -r` ; do
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if [ "${i}" -ge "${copies}" ] ; then
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rm -fr "${dir}/${filename}" ;
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fi
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i=$(expr $i + 1) ;
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done
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fi
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if [ ! "${quiet}" ] ; then
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echo "Starting database dump (`date +\"%H:%M:%S\"`)" ;
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fi
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dump_file_name="`realpath ${dir}`/${prefix}.`date +\"%y%m%d.%H%M%S\"`" ;
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xtrabackup --backup --compress --rsync --slave-info --compress-threads=${compress_threads} --databases-exclude=${ignore_database} --target-dir=${dump_file_name} > /dev/null;
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if [ ! "${quiet}" ] ; then
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echo "Dump completed (`date +\"%H:%M:%S\"`)..." ;
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fi
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rm -f ${pidfile} ;
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## xtrabackup --decompress --target-dir=/data/compressed/ |