技术学堂
Subversion代码库自动化备份脚本，通过dump命令进生全量或增量备份，只需要把待备份的仓库名称记录在指定的文本中即可，可设置定时任务，也可手动执行。
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#!/bin/bash # 最后更新：2023年7月22日 15:45 # 脚本功能：Subversion仓库备份脚本，即可手动也可定时 # 周一至周六进行增量备份、周日进行全量备份 # 删除过期的备份文件：全量留3天/增量留15天 # 特殊说明：必须挂载网络磁盘作为仓库备份盘 # 定时任务：0 0 * * * /home/zhilin/scripts/svnadminDump.sh # 仓库明细：仓库名称 最后一次备份的版本号 # 参数说明： # -t 单独执行脚本时可指定备份模式 # ful：全量备份 # inc：增量备份 # 源仓库 repPath="/svn/repositories" # 备份库 bakPath="/bak/repositories" # 备份盘 bakDisk="10.10.100.100/svnBackup" # 库账号 svnUser="admin" svnPass="admin@123" # 库明细 repList="${PWD}/svnRepositoriesList.txt" # 库日志 bakLogs="${PWD}/svnRepositoriesDump.log" while getopts 't:' OPT do case ${OPT} in t) bakType="$OPTARG";; esac done # 获取当前时间 getTime (){ nowTime=`date +'%Y%m%d%H%M%S'` } getTime echo ">>>>>>>>>>>>>>> 备份仓库-${nowTime:0:8} <<<<<<<<<<<<<<<" >> ${bakLogs} # 检查仓库明细 [ ! -e ${repList} ] && echo -e "${nowTime}\t仓库明细文件不存在" >> ${bakLogs} # 统一列表格式 sed -i '/^$/d' ${repList} sed -i 's/^\ \+//g' ${repList} sed -i 's/\ \+$//g' ${repList} sed -i 's/[\t ]\+/\t/g' ${repList} # 检查备份磁盘 [ -z "`df -Th | grep ${bakDisk}`" ] && echo -e "${nowTime}\t仓库备份磁盘未挂载" >> ${bakLogs} && exit 1 discAvail=`df -h ${bakPath} | awk '{print $4}' | tail -n 1` discNeeds=`du -sh ${repPath} | awk '{print $1}'` getResult (){ availNum="`echo ${discAvail} | sed 's/.$//'`" needsNum="`echo ${discNeeds} | sed 's/.$//'`" result=`echo "scale=3; ${availNum} - ${needsNum}" | bc` [[ ${result} < 0 ]] && echo -e "${nowTime}\t磁盘空间不足导致无法备份\n" >> ${backupLog} && exit 1 } case ${discAvail: -1} in G) [ "${discNeeds: -1}" = "G" ] && getResult;; M) [ "${discNeeds: -1}" = "G" ] && echo -e "${nowTime}\t磁盘空间不足导致无法备份\n" >> ${backupLog} && exit 1 [ "${discNeeds: -1}" = "M" ] && getResult;; K) echo -e "${nowTime}\t磁盘空间不足导致无法备份\n" >> ${backupLog} && exit 1;; esac # 重置备份类型 [ "${bakType^^}" = "FUL" ] && echo "备份类型参数为FUL(全量)或INC(增量)" && exit 1 [ -z "${bakType}" ] && [ "`date | awk '{print $1}'`" != "Sun" ] && bakType="inc" # 开始备份仓库 cat ${repList} | while read repName revLast do getTime # 获取当前版本号 [ ! -d ${repPath}/${repName} ] && echo -e "${nowTime}\t项目${repName}无效或未创建仓库" >> ${bakLogs} && continue || revRect=`svnlook youngest ${repPath}/${repName}` [ $? -ne 0 ] && echo -e "${nowTime}\t项目${repName}获取当前版本号异常" >> ${bakLogs} && continue # 获取备份版本号 [ ! -d ${bakPath}/${repName} ] && mkdir -p ${bakPath}/${repName} && revLast="" [ -z "${revLast}" ] && revLast=1 && eval sed -i '"/^${repName}/s/$/&\t${revLast}/g"' ${repList} [ $? -ne 0 ] && echo -e "${nowTime}\t项目${repName}版本号初始化异常" >> ${bakLogs} && continue # 判断是否要备份 [ ${revRect} -le ${revLast} ] && echo -e "${nowTime}\t项目${repName}备份仓库无需更新" >> ${bakLogs} && continue # 开始备份代码库 getTime echo -e "${nowTime}\t项目${repName}开始` [ ${bakType^^} = "FUL" ] && echo 全量 || echo 增量`备份" >> ${bakLogs} svnadmin dump ` [ ${bakType^^} = "INC" ] && echo "--incremental --revision ${revLast}:${revRect}"` ${repPath}/${repName} > ${bakPath}/${repName}/${repName}_${bakType}_${nowTime} getTime echo -e "${nowTime}\t项目${repName}完成` [ ${bakType^^} = "FUL" ] && echo 全量 || echo 增量`备份" >> ${bakLogs} # 更新备份版本号 getTime echo -e "${nowTime}\t更新${repName}仓库的备份版本号" >> ${bakLogs} eval sed -i '"/^${repName}/s/${revLast}$/${revRect}$/g"' ${repList} # 删除过期的备份 getTime echo -e "${nowTime}\t删除${repName}项目中的过期备份" >> ${bakLogs} flag=1 [ "${bakType^^}" = "FUL" ] && nums=3 || nums=15 for fileName in `ls -lt ${bakPath}/${repName} | grep ${bakType} | awk '{print $9}'` do [ ${flag} -gt ${nums} ] && rm -f ${bakPath}/${repName}/${fileName} && echo -e "\t\t\t删除${bakPath}/${repName}/${fileName}" >> ${bakLogs} flag=`expr ${flag} + 1` done [ ${flag} -lt ${nums} ] && echo -e "${nowTime}\t项目${repName}无过期的备份文件" >> ${bakLogs} done getTime echo ">>>>>>>>>>>>>>> ${nowTime} <<<<<<<<<<<<<<<" >> ${bakLogs} |
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