Created
December 3, 2019 10:16
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Bash script to backup mysql database, upload backup to aws s3 and notify on slack
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#!/bin/bash | |
# Database credentials | |
user="db_user" | |
password="db_password" | |
host="127.0.0.1" | |
db="database" | |
prefix="db" | |
# Other options | |
backup_path="/home/ec2-user" | |
# Set the file name | |
date=$(TZ=Asia/Kolkata date +"%d-%b-%Y") | |
datetime=$(TZ=Asia/Kolkata date +"%d-%b-%Y-%H-%M-%S") | |
# Set default file permissions | |
umask 022 | |
# Set the start time for profiling | |
start=`date +%s` | |
# Dump database into SQL file and zip it to reduce size | |
mysqldump --user=$user --password=$password --host=$host --databases $db --skip-lock-tables | gzip -c > $backup_path/$prefix-$datetime.sql.gz | |
# Set the end time for profiling | |
end=`date +%s` | |
# Get the backup file size | |
timetaken=`expr $end - $start` | |
FILESIZE=$(ls -lah "$backup_path/$prefix-$datetime.sql.gz" | awk '{ print $5}') | |
# Upload the backup file to aws S3 folder under specific date | |
aws s3 cp $backup_path/$prefix-$datetime.sql.gz s3://your_s3_bucket_name/$date/ | |
# Remove the backup file from local machine | |
rm $backup_path/$prefix-$datetime.sql.gz | |
# Post the altert on slack | |
curl -X POST --data-urlencode "payload={'username': 'DBBackupBOT', 'text': 'DB Backup (${FILESIZE}) is successful in ${timetaken} seconds', 'icon_emoji': ':ghost:'}" https://hooks.slack.com/services/XXXXXXXXXXXXX/XXXXXXXXXXXX/XXXXXXXXXXXXXXXXX | |
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