mongodb备份脚本（单机+副本集）
自动识别单点或副本集
[root@centos610:/root]# ll
total 160
-rw-r--r--. 1 root root 65615 Aug 22 09:43 install.log
-rw-r--r--. 1 root root 20438 Aug 22 09:40 install.log.syslog
-rwxr-xr-x 1 root root 4997 Oct 29 15:56 mongobackup.sh
-rwxr-xr-x 1 root root 117 Aug 27 14:55 mongorestore.sh
[root@centos610:/root]#
[root@centos610:/root]# ./mongobackup.sh
备份过程请查看 /rman/back_centos610_20251029_160547.log
[root@centos610:/root]#
[root@centos610:/root]# cd /rman
[root@centos610:/rman]#
[root@centos610:/rman]# ll
total 48
-rw-r--r-- 1 root root 3944 Oct 29 16:07 back_centos610_20251029_160547.log
drwxr-xr-x 4 root root 42 Oct 29 16:05 dump_centos610_20251029_160547
[root@centos610:/rman]#
[root@centos610:/rman]#
[root@centos610:/rman]# tail -50 back_centos610_20251029_160547.log
mongo备份开始:Wed Oct 29 16:05:47 CST 2025
# 单机配置
2025-10-29T16:05:48.201+0800 writing admin.system.users to /rman/dump_centos610_20251029_160547/admin/system.users.bson.gz
2025-10-29T16:05:48.246+0800 done dumping admin.system.users (2 documents)
2025-10-29T16:05:48.247+0800 writing admin.system.version to /rman/dump_centos610_20251029_160547/admin/system.version.bson.gz
2025-10-29T16:05:48.293+0800 done dumping admin.system.version (2 documents)
2025-10-29T16:05:48.295+0800 writing test.fs.chunks to /rman/dump_centos610_20251029_160547/test/fs.chunks.bson.gz
2025-10-29T16:05:48.296+0800 writing test.fs.files to /rman/dump_centos610_20251029_160547/test/fs.files.bson.gz
2025-10-29T16:05:48.297+0800 writing test.test_collection to /rman/dump_centos610_20251029_160547/test/test_collection.bson.gz
2025-10-29T16:05:48.338+0800 done dumping test.test_collection (1 document)
2025-10-29T16:05:48.428+0800 done dumping test.fs.files (1562 documents)
2025-10-29T16:05:50.893+0800 [........................] test.fs.chunks 172/5317 (3.2%)
2025-10-29T16:05:53.893+0800 [#.......................] test.fs.chunks 404/5317 (7.6%)
2025-10-29T16:05:56.892+0800 [##......................] test.fs.chunks 585/5317 (11.0%)
2025-10-29T16:05:59.893+0800 [###.....................] test.fs.chunks 783/5317 (14.7%)
2025-10-29T16:06:02.893+0800 [####....................] test.fs.chunks 1036/5317 (19.5%)
2025-10-29T16:06:05.893+0800 [#####...................] test.fs.chunks 1260/5317 (23.7%)
2025-10-29T16:06:08.893+0800 [######..................] test.fs.chunks 1454/5317 (27.3%)
2025-10-29T16:06:11.892+0800 [#######.................] test.fs.chunks 1639/5317 (30.8%)
2025-10-29T16:06:14.893+0800 [########................] test.fs.chunks 1832/5317 (34.5%)
2025-10-29T16:06:17.893+0800 [#########...............] test.fs.chunks 2040/5317 (38.4%)
2025-10-29T16:06:20.893+0800 [#########...............] test.fs.chunks 2205/5317 (41.5%)
2025-10-29T16:06:23.893+0800 [##########..............] test.fs.chunks 2347/5317 (44.1%)
2025-10-29T16:06:26.893+0800 [##########..............] test.fs.chunks 2347/5317 (44.1%)
2025-10-29T16:06:29.893+0800 [##########..............] test.fs.chunks 2347/5317 (44.1%)
2025-10-29T16:06:32.893+0800 [##########..............] test.fs.chunks 2381/5317 (44.8%)
2025-10-29T16:06:35.893+0800 [###########.............] test.fs.chunks 2580/5317 (48.5%)
2025-10-29T16:06:38.892+0800 [############............] test.fs.chunks 2797/5317 (52.6%)
2025-10-29T16:06:41.893+0800 [#############...........] test.fs.chunks 2999/5317 (56.4%)
2025-10-29T16:06:44.893+0800 [##############..........] test.fs.chunks 3216/5317 (60.5%)
2025-10-29T16:06:47.894+0800 [###############.........] test.fs.chunks 3424/5317 (64.4%)
2025-10-29T16:06:50.893+0800 [################........] test.fs.chunks 3621/5317 (68.1%)
2025-10-29T16:06:53.893+0800 [#################.......] test.fs.chunks 3778/5317 (71.1%)
2025-10-29T16:06:56.893+0800 [#################.......] test.fs.chunks 3778/5317 (71.1%)
2025-10-29T16:06:59.893+0800 [#################.......] test.fs.chunks 3824/5317 (71.9%)
2025-10-29T16:07:02.893+0800 [##################......] test.fs.chunks 4114/5317 (77.4%)
2025-10-29T16:07:05.893+0800 [###################.....] test.fs.chunks 4314/5317 (81.1%)
2025-10-29T16:07:08.893+0800 [####################....] test.fs.chunks 4541/5317 (85.4%)
2025-10-29T16:07:11.893+0800 [#####################...] test.fs.chunks 4734/5317 (89.0%)
2025-10-29T16:07:14.893+0800 [######################..] test.fs.chunks 4962/5317 (93.3%)
2025-10-29T16:07:17.893+0800 [#######################.] test.fs.chunks 5204/5317 (97.9%)
2025-10-29T16:07:19.359+0800 [########################] test.fs.chunks 5317/5317 (100.0%)
2025-10-29T16:07:26.322+0800 done dumping test.fs.chunks (5317 documents)
mongo备份完成:Wed Oct 29 16:07:26 CST 2025mongobackup.sh
#!/bin/bash
#==============================================================#
# File : mongobackup.sh #
# Ctime : 2022-01-20 #
# Mtime : 2025-10-28 #
# Desc : Mongodb Database Backup #
# Version : 3.0.0 #
# Author : 楚枫默寒 #
# Copyright (C) 2022-2099 #
#==============================================================## 检查是否以root身份运行
if [[ $EUID -ne 0 ]]; thenecho "此脚本必须以root权限运行!"exit 1
elseALTIME=$(date +%Y%m%d_%H%M%S)BACKPATH=/rmanFILEPATH=dump_$(hostname)_${ALTIME}LOGFILE=back_$(hostname)_${ALTIME}.log
ficolor_setting(){RC='\033[31;1m' #红色 errorGC='\033[32;1m' #绿色 successYC='\033[33;1m' #黄色 warningBC='\033[34;1m' #蓝色 outputDC='\033[35;1m' #粉色 detailAC='\033[36;1m' #天蓝 infoEC='\033[0m' #黑白 EC
}#提取副本集名称
pro_conf(){HOST=$(/sbin/ip addr |egrep -v "127|0.0.0.0|00.00.00.00|lo:0|00:|:"| egrep -o '[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}'| head -n 1|awk '{print $1}')PORT=$(netstat -an|grep mongo|awk '{print $9}'| sed 's/[^0-9]*//g')# 如果需要认证，填写用户名USERNAME="userxxxx"# 如果需要认证，填写密码PASSWORD="passxxxx"# 认证数据库，通常是adminAUTH_DB="admin"# 认证AUTH=${USERNAME}:${PASSWORD}#提取conf文件conf_file=$(ps -ef|egrep "mongo|mongod.conf|mongodb.conf"|grep -v grep|awk -F '-f ' '{print $2}'|awk -F ' ' '{print $1}')#显示副本集名称replSet=$(cat ${conf_file}|tr -d ' '|grep replSet|egrep -v "^#")if [[ -n ${replSet} ]];thenif [[ ${replSet} =~ ":" ]];thenrepl_name=$(echo $replSet|grep -v '^#'|awk -F ':' '{print $2}'|tr -d ' '|cut -d'#' -f1)elif [[ ${replSet} =~ "=" ]];thenrepl_name=$(echo $replSet|grep -v '^#'|awk -F '=' '{print $2}'|tr -d ' '|cut -d'#' -f1)fielserepl_name=''fi
}#提取库名
#get_dbname(){
# local repl_name=$1
# if [[ -n $1 ]];then
# # 构建连接字符串
# #db_name=$(mongo "mongodb://${USERNAME}:${PASSWORD}@${HOSTS}/?replicaSet=${repl_name}&authSource=${AUTH_DB}" --quiet --eval "db.adminCommand('listDatabases').databases.map(db => db.name)"|grep -v NETWORK|sed 's/^\[//;s/\]$//;s/,/\n/g'|sed 's/"//g'|sed '/^$/d'|sort)
# db_name=$(echo "show dbs" | mongo "mongodb://${AUTH}@${HOST}:${PORT}/?replicaSet=${repl_name}&authSource=${AUTH_DB}"|egrep -v "NETWORK|^bye$"|awk 'NR>3{print $1}'|grep -v "^MongoDB$")
# else #单实例
# db_name=$(echo "show dbs" | mongo "mongodb://${AUTH}@${HOST}:${PORT}/?authSource=${AUTH_DB}"|egrep -v "NETWORK|^bye$"|awk 'NR>3{print $1}'|grep -v "^MongoDB$")
# fi
#}#备份过程
back_process(){echo -e "${DC}备份过程请查看 ${BACKPATH}/${LOGFILE}${EC}"CMD=$(which mongodump)CMD_V=$(${CMD} --version|grep "mongodump version:"| awk -F '[^0-9]+' '{print $2}')echo -e ${GC}"mongo备份开始:"${AC}$(date)${EC} >> ${BACKPATH}/${LOGFILE}if [[ -n ${repl_name} ]];thenecho -e ${RC}"# 副本集配置 "${EC} >> ${BACKPATH}/${LOGFILE}case ${CMD_V} in3)${CMD} --uri="mongodb://${AUTH}@${HOST}:${PORT}/?replicaSet=${repl_name}&authSource=${AUTH_DB}" -o ${BACKPATH}/${FILEPATH} >> ${BACKPATH}/${LOGFILE} 2>&1 ;;*)${CMD} --uri="mongodb://${AUTH}@${HOST}:${PORT}/?replicaSet=${repl_name}&authSource=${AUTH_DB}" -o ${BACKPATH}/${FILEPATH} --gzip >> ${BACKPATH}/${LOGFILE} 2>&1 ;;esacelseecho -e ${RC}"# 单机配置 "${EC} >> ${BACKPATH}/${LOGFILE}case ${CMD_V} in3)${CMD} --host ${HOST}:${PORT} -u${USERNAME} -p${PASSWORD} --authenticationDatabase ${AUTH_DB} -o ${BACKPATH}/${FILEPATH} >> ${BACKPATH}/${LOGFILE} 2>&1 ;;*)${CMD} --host ${HOST}:${PORT} -u${USERNAME} -p${PASSWORD} --authenticationDatabase ${AUTH_DB} -o ${BACKPATH}/${FILEPATH} --gzip >> ${BACKPATH}/${LOGFILE} 2>&1 ;;esacfiecho -e ${GC}"mongo备份完成:"${AC}$(date)${EC} >> ${BACKPATH}/${LOGFILE}
}#清理日志
clear_log(){REDUNDANCY=2rmdir_no=$(find $BACKPATH -maxdepth 1 -type d -name "dump_*"|sort|tail -n $REDUNDANCY|wc -l)if [ $rmdir_no -ge 2 ];thenrmdir=$(find $BACKPATH -maxdepth 1 -type d -name "dump_*"|sort|tail -n $REDUNDANCY|head -n 1);if [ $rmdir ];thenrm -rf $rmdir;fififind $BACKPATH -type f -name "back_*.log" -mtime +10 -delete
}main(){color_settingpro_confback_processclear_log
}main "$@"