167 lines
4.2 KiB
Bash
167 lines
4.2 KiB
Bash
#!/bin/sh
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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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mypidfile="/var/run/`basename ${0}`.pid" ;
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usage()
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{
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echo "Usage: mysql_backup.sh -d /var/backup -n daily [-c 10 -s -a -e test@domain.org]"
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echo
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echo "-d | --dir :: backup directory"
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echo "-n | --name :: backup name"
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echo "-c | --copies :: number of copies to store (default 10)"
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echo "-e | --email :: notification email"
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echo "-l | --lock-all-tables"
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echo "-s | --single-transaction"
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echo "-z | --compress :: gzip dump"
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echo "-q | --quiet"
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echo "-h help"
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}
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error()
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{
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echo -e "\033[0;31m${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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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=$1
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;;
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-l | --lock-all-tables )
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lock=1
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;;
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-s | --single-transaction )
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singletrans=1
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;;
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-z | --compress ) archive=1
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;;
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-q | --quiet ) quiet=1
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;;
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-h | --help ) usage
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exit
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;;
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* ) usage
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exit 1
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esac
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shift
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done
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if [ "${dir}" = "" ] ;
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then
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usage ;
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error "Backup dir is not set!"
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exit 1 ;
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fi
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if [ "${name}" = "" ] ;
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then
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usage ;
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error "Name of backup is not set!"
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exit 1 ;
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fi
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if [ "${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 ! [ -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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if [ -s ${mypidfile} ] ; then
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error "ERROR: `hostname` script ${script} already running!" ;
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exit 1 ;
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fi
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trap "rm -f ${mypidfile} ;" EXIT INT KILL TERM SIGKILL SIGTERM;
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echo $$ > ${mypidfile} ;
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mysqlparams=" --all-databases \
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--add-drop-database \
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--add-drop-table \
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--add-drop-trigger \
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--add-locks \
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--compact \
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--disable-keys \
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--apply-slave-statements \
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--allow-keywords \
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--complete-insert \
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--create-options \
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--default-character-set=UTF8 \
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--dump-date \
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--events \
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--extended-insert \
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--flush-privileges \
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--master-data \
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--include-master-host-port \
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--order-by-primary \
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--quick \
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--quote-names \
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--routines \
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--triggers \
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--force \
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--max-allowed-packet=512M \
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--log-error=/var/log/mysqldump.log" ;
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if [ "${singletrans}" ] ; then
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mysqlparams="${mysqlparams} --single-transaction" ;
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fi
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if [ "${lock}" ] ; then
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mysqlparams="${mysqlparams} --lock-all-tables" ;
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fi
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if [ `ls ${dir} | grep mysqldump.daily | wc -l` -ge "${copies}" ] ; then
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i=1;
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for filename in `ls ${dir} | grep mysqldump.daily. | sort -r` ; do
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if [ "${i}" -ge "${copies}" ] ; then
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rm "${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 +\"%Y-%m-%d %H:%M:%S\"`)" ;
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fi
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date=`date +"%y%m%d.%H%M%S"` ;
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dump_file_name="${dir}/mysqldump.${name}.${date}.sql" ;
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mysqldump ${mysqlparams} > ${dump_file_name} ;
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if [ "${archive}" ] ; then
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if [ ! "${quiet}" ] ; then
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echo "Archiving dump (`date +\"%Y-%m-%d %H:%M:%S\"`)..." ;
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fi
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gzip ${dump_file_name} ;
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fi
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rm -f ${mypidfile} ;
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exit 0 ; |