MongoDB Backup on S3

mongo-backup.sh

#!/bin/bash

# mongo-backup.sh
#   Script to automate MongoDB Backups
#
# Requirements:
#   mongodump
#   s3cmd
#
# Author:
#   Eduardo Hernacki <eduardohki@gmail.com>
# 
# Modify:
#   Guilherme Calcette <guilherme.calcette@gmail.com>
#
# Version:
#   1.0 - 2017/10/18

# Bucket destino aws s3
TIMESTAMP=`date +%F-%H-%M`
S3_BUCKET_NAME="< bucket name >" #replace with your bucket name on Amazon S3
S3_BUCKET_PATH="< bucket path name >" #replace with your bucket path

# Limite de arquivos backups no bucket
RM_OLD_FILES=30

# Backup destination
DUMP_DIR="< /diretorio/backup >" #replace with your backup DIR 
DUMP_FILE="< filename >-$TIMESTAMP" #replace with your backup file name 
mkdir $DUMP_DIR/$DUMP_FILE

# Destino do arquivo de logfile
LOG_FILE=$DUMP_DIR/$DUMP_FILE/$DUMP_FILE.log

# Credenciais MongoDB
MONGO_USER=adminmongo
MONGO_PASS=passadminmongo
MONGO_AUTHDB=admin

# Registra inicio de execução no arquivo de log
echo "[$(date +%Y/%m/%d\ %H:%M:%S)] Starting mongodump" >> $LOG_FILE

# Executa o dump do MongoDB no diretorio especificado
mongodump --host localhost --username $MONGO_USER --password $MONGO_PASS --authenticationDatabase $MONGO_AUTHDB --out $DUMP_DIR/$DUMP_FILE >> $LOG_FILE 2>&1

# Checks the dump execution
if [ $? -eq 0 ]; then
  echo "[$(date +%Y/%m/%d\ %H:%M:%S)] mongodump successfully created" >> $LOG_FILE
  OUTPUT="OK: MongoDB Dump successfully created"
  EXITCODE=0
else
  echo "[$(date +%Y/%m/%d\ %H:%M:%S)] mongodump finished with errors" >> $LOG_FILE
  OUTPUT="CRITICAL: Errors creating MongoDB Dump! Please verify the log \"$LOG_FILE\" for more details"
  EXITCODE=2
fi

echo $OUTPUT

echo $OUTPUT

# Compactando
echo Compactando os arquivos
cd $DUMP_DIR && tar -cf $DUMP_FILE.tar $DUMP_FILE

#Evniando para AWS S3
echo Enviando Backup para AWS S3
s3cmd put -p $DUMP_DIR/$DUMP_FILE.tar s3://$S3_BUCKET_NAME/$S3_BUCKET_PATH/
rm -rf $DUMP_DIR/$DUMP_FILE

#Removendo Backup com mais de 30 DIAS
echo Removendo arquivos com mais de $RM_OLD_FILES Dias.
s3cmd ls s3://$S3_BUCKET_NAME/$S3_BUCKET_PATH/ | while read -r line;
  do
    createDate=`echo $line|awk {'print $1" "$2'}`
    createDate=`date -d"$createDate" +%s`
    olderThan=`date -d"$RM_OLD_FILES" +%s`
    if [ $createDate -lt $olderThan ]
      then
        fileName=`echo $line|awk {'print $4'}`
        echo $fileName
        if [ $fileName != "" ]
          then
            echo removendo aquivos 
            echo $filename
            s3cmd del "$fileName"
        fi
    fi
  done;

exit $EXITCODE