shell脚本:mysql全备与binlog增量备份
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脚本功能:mysql库备份脚本,全备与binlog日志备份
脚本可以根据指定的参数进行全备,其余时间备份binlog日志
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#!/bin/bash # description:Trian Server backup databases # revision on 2016-02-18 # by colin # #################################### # 功能说明:该脚本运用于mysql每天备份与上传 # # 使用说明: # ./mysql_backup.sh /mysql/hlj/qqhr/ #+ 脚本后面的参数一表示备份文件在日志存储服务器上的存储路径 # #################################### PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin RUN_LOG=‘/var/log/cron_scripts_run.log‘ [ ! -f ${RUN_LOG} ] && touch ${RUN_LOG} EchoGoodLog () { echo -e "\033[32m`date +%F" "%T":"%N` $*\033[0m" >> ${RUN_LOG} } EchoBadLog () { echo -e "\033[31m`date +%F" "%T":"%N` $*\033[0m" >> ${RUN_LOG} } EchoGoodLog "Now, Script: `basename $0` run." CD_DIR="${1?Usage: $(basename $0) /mysql/hlj/qqhr/}" RUNLOG_MAX_NUM=100000 RUNLOG_MAX_DELNUM=5000 SEND_MAX_TIME=6 SEND_WHILE_SLEEP_TIME=30 BACK_SAVE_MAX_DAY=90 ############################# # [0-6],0表示星期天,1-6表示星期一至星期六 #+ BACKUP_FULL_DAY=6表示在每周的第6天进行全备 # BACKUP_FULL_DAY=6 ############################# CleanRunLog () { CLEANLOGFILE=${1?"Usage: $FUNCNAME log_file_name"} TEMP_WC=`cat ${CLEANLOGFILE} |wc -l` [ "${TEMP_WC}" -gt "${RUNLOG_MAX_NUM}" ] && { sed -i "1,${RUNLOG_MAX_DELNUM}d" ${CLEANLOGFILE} && EchoGoodLog "Clean up the ${CLEANLOGFILE}..." } EchoGoodLog "Script: `basename $0` run done." exit 0 } ############################# ## # 下面这两个变量设置为固定值, #+ 就可以进行相应的模拟调试 # #NOWTIME=‘2016-09-01‘ #WEEK_DAY=‘6‘ NOWTIME=$(date +%Y-%m-%d) WEEK_DAY=$(date +%w) ############################# FILEBAKDIR=‘/data/store/dbback‘ MYSQL_DATA_DIR=‘/data/mysql‘ BIN_lOG_NAME=‘mysql-bin‘ DBUSER=‘数据库用户‘ DBPASSWD=‘数据库密码‘ FILETYPE=‘mysql_bak‘ STATION=`echo $(hostname) |awk -F- ‘{print $3}‘|tr [A-Z] [a-z]` ############################# ## # define the ftp server # FTPSERVER=‘IP地址‘ FTPUSER=‘用户名‘ FTPPASSWD=‘密码‘ SSHPORT=‘端口‘ ############################# ## # 全备mysql指定数据库 # $1:需要备份的数据库名; #+ $2:刷新bin-log的标记Y,不传递参数$2时,默认值N。 # Usage: FullBackMysqlData rht_train Y # FullBackMysqlData () { local DATA_NAME=$1 FLUSH_LOG=${2:-N} BACK_SQL_NAME="$NOWTIME.${DATA_NAME}.sql" BACK_TAR_NAME="${BACK_SQL_NAME%.sql}.tar.gz" [ -d "$FILEBAKDIR/${DATA_NAME}" ] || mkdir $FILEBAKDIR/$DATA_NAME -p cd $FILEBAKDIR/$DATA_NAME && { if [ "${FLUSH_LOG}" = ‘Y‘ ];then mysqldump -u$DBUSER -p$DBPASSWD --default-character-set=utf8 --flush-logs -R ${DATA_NAME} > ${BACK_SQL_NAME} else mysqldump -u$DBUSER -p$DBPASSWD --default-character-set=utf8 -R ${DATA_NAME} > ${BACK_SQL_NAME} fi if [ $? -eq 0 ];then EchoGoodLog "Backup: ${DATA_NAME} was successfully." tar -zcf ${BACK_TAR_NAME} --remove-files ${BACK_SQL_NAME} if [ $? -eq 0 ];then [ -e "${BACK_TAR_NAME}" ] && EchoGoodLog "Tar: ${DATA_NAME} was successfully." else EchoBadLog "Tar: ${DATA_NAME} was failed, Please check..." fi else EchoBadLog "Backup: ${DATA_NAME} was failed, Please check..." fi } } ## # 增量备份:备份binlog日志 # BackMysqlBinLog () { local BACK_DIR=$1 BACK_BINLOG_NAME="$NOWTIME.B${WEEK_DAY}.tar.gz" [ -d ${BACK_DIR} ] || mkdir -p ${BACK_DIR} cd ${BACK_DIR} && mv -t ${BACK_DIR} $( find ${MYSQL_DATA_DIR} -name "mysql-bin.*" | grep -E "[0-9]{6}" ) && { mysql -u$DBUSER -p$DBPASSWD -e "use mysql;flush logs;" # 需要用户有mysql库的权限 # tar -czf $FILEBAKDIR/${BACK_BINLOG_NAME} --remove-files * && EchoGoodLog "Backup: ${BACK_BINLOG_NAME} was successfully." } || EchoBadLog "Cut: ${BACK_BINLOG_NAME} was failed, Please check..." return 0 } ## # 清理超过90天的备份 # CleanOldFile() { local CLEAN_DIR=$1 [ -d "${CLEAN_DIR}" ] && cd ${CLEAN_DIR} && { for FILENAME in `find . -maxdepth 1 -name "*.tar.gz" -ctime +${BACK_SAVE_MAX_DAY} | awk -F/ ‘{print $2}‘` do rm $FILENAME && EchoGoodLog "Clear: ${CLEAN_DIR}/$FILENAME." done } } ## # FTP自动化上传函数 # FTP_LOG_DIR="/tmp/ftp_err" [ -d ${FTP_LOG_DIR} ] || mkdir -p ${FTP_LOG_DIR} FTP_ERROR_LOG="${FTP_LOG_DIR}/ftp_temp_${FILETYPE}_err$$.log" SendLog () { local SENDLOGFILE=$1 ftp -ivn ${FTPSERVER} 21 >${FTP_ERROR_LOG} << _EOF_ user ${FTPUSER} ${FTPPASSWD} passive bin lcd ${LCD_DIR} cd ${CD_DIR} put ${SENDLOGFILE} bye _EOF_ ## # 统计前面FTP运行输出的错误日志记录行数 # LOG_COUNT=`grep -w "^226" ${FTP_ERROR_LOG}|wc -l` if [ ${LOG_COUNT} -eq 1 ];then EchoGoodLog "Send: ${SENDLOGFILE} to ftp_server was successfully." return 0 else EchoBadLog "Send: ${SENDLOGFILE} more than $x time." sleep 30 return 1 fi } REUPLOADLIST="/var/log/reupload_list_${FILETYPE}_${STATION}.log" TEMP_REUPLOADLIST="/var/log/temp_reupload_list_${FILETYPE}_${STATION}.log" [ -f ${TEMP_REUPLOADLIST} ] && rm ${TEMP_REUPLOADLIST} RunSendLog () { local SENDLOGNAME=$1 local x=1 local i=1 until [ "$i" -eq 0 ];do [ "$x" -gt "${SEND_MAX_TIME}" ] && { EchoBadLog "Send: ${SENDLOGNAME} to ftp_server was failed, Please check..." echo "${LCD_DIR};;${CD_DIR};;${SENDLOGFILE}" >> ${TEMP_REUPLOADLIST} break } SendLog "${SENDLOGNAME}" i=`echo $?` x=`expr $x + 1` done } ## # 全备 # [ "${WEEK_DAY}" -eq "${BACKUP_FULL_DAY}" ] && { xx=1 MYSQL_BACKUP_LIST=‘/var/log/mysqlbackuplist‘ mysql -u$DBUSER -p$DBPASSWD -e "show databases;" | grep "rht_" > ${MYSQL_BACKUP_LIST} LAST_WHILE_NUM=$(wc -l < ${MYSQL_BACKUP_LIST}) while read noteline do [ "${xx}" -ge "${LAST_WHILE_NUM}" ] && FullBackMysqlData $noteline Y || FullBackMysqlData $noteline xx=$( expr $xx + 1 ) LCD_DIR="${FILEBAKDIR}/${noteline}" # 申明变量LCD_DIR给函数RunSendLog使用 # RunSendLog ${BACK_TAR_NAME} CleanOldFile ${LCD_DIR} done < ${MYSQL_BACKUP_LIST} } ## # 增量备份 # LCD_DIR="${FILEBAKDIR}" # 申明变量LCD_DIR给函数RunSendLog使用 # BackMysqlBinLog "${LCD_DIR}/${WEEK_DAY}" && { [ -e "${LCD_DIR}/${BACK_BINLOG_NAME}" ] && RunSendLog ${BACK_BINLOG_NAME} && CleanOldFile ${LCD_DIR} [ -d "${LCD_DIR}/${WEEK_DAY}" ] && rm -rf "${LCD_DIR}/${WEEK_DAY}" } ## # 重传上次发送失败的文件 # ReUploadFile(){ TEMP_NEED_DO_FILE=$1 REUPLOADLIST_NUM=$( wc -l < ${TEMP_NEED_DO_FILE} ) [ "${REUPLOADLIST_NUM}" -ge 1 ] && { while read line do LCD_DIR=`echo ${line}|awk -F";;" ‘{print $1}‘` CD_DIR=`echo ${line}|awk -F";;" ‘{print $2}‘` REUPLOADFILENAME=`echo ${line}|awk -F";;" ‘{print $3}‘` [ -f "${LCD_DIR}/${REUPLOADFILENAME}" ] && runSendLog ${REUPLOADFILENAME} done < ${TEMP_NEED_DO_FILE} } [ -e ${TEMP_NEED_DO_FILE} ] && rm ${TEMP_NEED_DO_FILE} } [ -s ${REUPLOADLIST} ] && ReUploadFile ${REUPLOADLIST} [ -f ${TEMP_REUPLOADLIST} ] && mv ${TEMP_REUPLOADLIST} ${REUPLOADLIST} [ -f ${FTP_ERROR_LOG} ] && rm ${FTP_ERROR_LOG} CleanRunLog ${RUN_LOG}
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