Created
April 23, 2015 14:13
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Simple MySQL Backup
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| #!/bin/bash | |
| # What is required? | |
| # | |
| # - An installed MySQL Client | |
| # - An installed and configured AWS-CLI | |
| MYSQLDUMP=/usr/bin/mysqldump | |
| DUMP_FILE_SUFFIX=`date +%F`.sql | |
| BACKUP_FOLDER=/tmp/backups | |
| BACKUP_BUCKET=a_bucket_name | |
| LOG_FILE=/tmp/mysql-backup.log | |
| DATABASES="a_database_name" | |
| DB_HOST="127.0.0.1" | |
| DB_USER="root" | |
| DB_PASSWORD="password" | |
| dump_db () { | |
| log_message "Dumping ${1}..." | |
| mysqldump --host $DB_HOST --user $DB_USER --password=$DB_PASSWORD \ | |
| --add-drop-table --no-create-db --single-transaction \ | |
| ${1} > ${2} | |
| log_result | |
| } | |
| compress_dump () { | |
| log_message "Compressing ${1}..." | |
| tar -C $BACKUP_FOLDER --remove-files -zcf $1.tar.gz `basename "$1"` | |
| log_result | |
| } | |
| cleanup_dumps () { | |
| log_message "Clearing old dumps.." | |
| find $BACKUP_FOLDER -type f -mtime +14 \ | |
| -exec sh -c 'test $(date +%u -r "$1") = 1 || rm "$1"' -- {} \; | |
| log_result | |
| } | |
| sync_s3 () { | |
| log_message "Syncing S3..." | |
| aws s3 sync $BACKUP_FOLDER s3://$BACKUP_BUCKET/ --delete --exclude "*" --include "*.sql.tar.gz" | |
| log_result | |
| } | |
| log_message () { | |
| echo "`date +"%F %T"`: $1" >> $LOG_FILE | |
| } | |
| log_result () { | |
| if [ "$?" = "0" ]; then | |
| log_message "done." | |
| else | |
| log_message "FAILED!" | |
| fi | |
| } | |
| for DB in $DATABASES | |
| do | |
| DUMP_FILENAME="$BACKUP_FOLDER/${DB}_$DUMP_FILE_SUFFIX" | |
| dump_db $DB $DUMP_FILENAME | |
| compress_dump $DUMP_FILENAME | |
| cleanup_dumps | |
| sync_s3 | |
| done |
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