标签:$0 func several gets cti ssi dirname command messages
建库、用户语句
create database test_hb; create user ‘ test_hb‘@‘%‘ identified by ‘123456‘; grant all privileges on test_hb.* to ‘ test_hb‘@‘%‘; grant all privileges on test_hb.* to test_hb@localhost identified by ‘123456‘; flush privileges;
备份脚本
#!/bin/sh # $Id: mysql_backup # define restricted path PATH="/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/mysql3306/bin" # adirname - return absolute dirname of given file adirname() { odir=`pwd`; cd `dirname $1`; pwd; cd "${odir}"; } # --------- # constants # --------- MYNAM=`basename "$0"` MYDIR=`adirname "$0"` MYTMP="${MYDIR}/tmp" MYLCK="${MYTMP}/${MYNAM}.lock" MYPRG="/usr/local/mysql3306/bin/mysql -uroot -p123456 -P 3306 -h 127.0.0.1 --local-infile=1 -Bse" # mysql client MYDMP="/usr/local/mysql3306/bin/mysqldump -uroot -p123456 -P 3306 -h 127.0.0.1 -Q -R -v --opt" # mysqldump ROTATE=`date +%d` MYBAK="/home/backup/mysql/${ROTATE}" # destination dir DT="" # --------- # functions # --------- message() { echo "$@"; } # message - output message on stdout error() { echo "$@" >&2; } # error - output message on stderr die() { error "$@"; exit 1; } # die - output message on stderr and exit usage() { error "Usage: ${MYNAM} <options>" error "" error "Available options:" error "" error " -h This help screen" error "" error " -q suppress non-error messages" error " -d db1,db2,... To dump several databases." error " -t File name with datetime" error " -p path Dump to the directory" die } # parse command line options while getopts d:p:hqt opt; do case "${opt}" in q) V=‘-q‘ ;; t) DT=".`date +%Y%m%d%H%M`" ;; p) DP=${OPTARG} ;; d) DBS=(${OPTARG//,/ }) ;; h) usage ;; *) usage ;; esac done [ -n "${DP}" ] && MYBAK="${DP}" if [ ! -d ${MYTMP} ] ; then mkdir -p ${MYTMP} fi if [ ! -d ${MYBAK} ] ; then mkdir -p ${MYBAK} fi # ---- # main # ---- # perform some locking (as good as it gets in a shell) [ -s "${MYLCK}" ] && kill -0 `cat "${MYLCK}"` 2>/dev/null && die "${MYNAM}: already running!" echo "$$" > "${MYLCK}" # get list of databases mydbs="" if [ "x$DBS" == "x" ] ; then mydbs=`${MYPRG} "SHOW DATABASES"` [ -z "${mydbs}" ] && die "${MYNAM}: unable to get list of databases." else S=0 E=${#DBS[@]} while [ ${S} -lt ${E} ] do mydb=`${MYPRG} "SHOW DATABASES like \"${DBS[${S}]}\""` if [ -z "${mydb}" ] ; then DBS[${S}]="" else mydbs=${mydbs}" "${mydb} fi S=`expr ${S} + 1` done fi # process databases for db in ${mydbs}; do # skip special database(s) [ "$db" == "information_schema" ] && continue [ "$db" == "test" ] && continue [ "$db" == "car_source" ] && continue # verbose? [ "$V" == "-q" ] || echo "Processing database ${db}..." [ "$V" == "-q" ] || echo # make dir mkdir -p "${MYBAK}/${db}" ${MYDMP} "${db}" 2>"${MYBAK}/${db}/${db}${DT}.log" | gzip > "${MYBAK}/${db}/${db}${DT}.sql.gz" # get list of tables mytbs=`${MYPRG} "SHOW TABLES FROM \\\`${db}\\\`"` [ -z "${mytbs}" ] && message "${MYNAM}: unable to get list of tables for ${db}." # process tables for tb in ${mytbs}; do # MYTIME=`date +%Y%m%d%H%M` [ "$V" == "-q" ] || echo "Processing ${db}.${tb}..." [ "$V" == "-q" ] || echo "- Dumping..." ${MYDMP} "${db}" "${tb}" 2>"${MYBAK}/${db}/${db}.${tb}${DT}.log" | gzip > "${MYBAK}/${db}/${db}.${tb}${DT}.sql.gz" [ "$V" == "-q" ] || echo "- Checking..." ${MYPRG} "CHECK TABLE \`${db}\`.\`${tb}\`" | egrep "[^:alnum:\._-]error[^:alnum:\._-]" | grep -v "doesn‘t support check" [ "$V" == "-q" ] || echo "- Analyzing..." ${MYPRG} "ANALYZE LOCAL TABLE \`${db}\`.\`${tb}\`" > /dev/null [ "$V" == "-q" ] || echo "- Optimizing..." ${MYPRG} "OPTIMIZE LOCAL TABLE \`${db}\`.\`${tb}\`" > /dev/null [ "$V" == "-q" ] || echo done # verbose? [ "$V" == "-q" ] || echo done # cleanup touch -t `/bin/date --date "3 days ago" "+%Y%m%d%H%M"` /dev/shm/${MYNAM}.start find /home/backup/mysql/ ! -newer /dev/shm/${MYNAM}.start -type f -exec rm {} \; find /home/backup/mysql/ -type d -empty -print0 | xargs -0 -n 100 rm -rf &> /dev/null
还原数据库时,到备份目录找到最新的备份。dataname.sql.gz 结尾
zcat dataname.sql.gz|mysql -uroot -p123456 dataname
标签:$0 func several gets cti ssi dirname command messages
原文地址:https://www.cnblogs.com/xzlive/p/10115272.html