MongoDB database backup script

#! / bin/bash

# backup MongoDB

# mongodump command path

DUMP=/usr/local/mongodb/bin/mongodump

# temporary backup directory

OUT_DIR=/data/mongodb_bak/mongodb_bak_now

# backup storage path

TAR_DIR=/data/mongodb_bak/mongodb_baklist

# get the current system time

DATE= `date +% Y%m_%d#mongo hostname HOST=ifconfig ens192 | grep netmask | awk'{print $2}'`

# backup database

DB=data01

# Database account

DB_USER=root

# Database password

DB_PASS=123456

# DAYS=15 means to delete backups from 15 days ago, that is, to keep only backups for nearly 15 days.

DAYS=15

# the final saved database backup file

TAR_BAK= "mongodbbak$DATE.tar.gz"

# determine whether the backup command file and backup directory exist

If [!-f "$DUMP"]; then

Echo "mongodump the command does not exist, check the correct path."

Exit 0

Elif [!-d "$OUT_DIR"]; then

Echo "Create tmp backup dir"

Mkdir-p $OUT_DIR

Elif [!-d "$TAR_DIR"]; then

Echo "Create Backup dir"

Mkdir-p $TAR_DIR

Els

Echo "Start Backup"

Fi

Cd $OUT_DIR

Rm-rf $OUT_DIR/*

Mkdir-p $OUT_DIR/$DATE

# back up a single database

$DUMP-h $HOST-u $DB_USER-p $DB_PASS-d $DB-o $OUT_DIR/$DATE

# backup all databases

# $DUMP-h $HOST-u $DB_USER-p $DB_PASS-- authenticationDatabase "admin"-o $OUT_DIR/$DATE

# compressed to .tar.gz format

Tar-zcvf $TAR_DIR/$TAR_BAK $OUT_DIR/$DATE

# Delete backup files from 15 days ago

Find $TAR_DIR/-mtime + $DAYS-delete