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MySQL Backup & Restore Tool

🇰🇷 (한국어) | 🇬🇧 (English)

A ruby script tool for backing up and restoring MySQL data.

Requirements

  • Tested on linux, Mac OS X environments only
  • ruby, mysql, mysqldump, gzip, zcat commands must be installed

Configuration

Create a config-.json file under the current directory according to the database environment.

{
  "dataTables": [],
  "ignoreTables": [],
  "dbInfo": {
    "host": "localhost",
    "port": 3306,
    "user": "root",
    "password": "",
    "database": [
      "test_db"
    ]
  }
}
  • dataTables - allows you to set a column for putting a --where condition to backup only the latest(3 days) rows of a large table.
    • { "name": "table_name", "where": "column_name" }
  • ignoreTables - allows you to set which tables should be excluded from backups as unused tables.

Install

gem install mysql_db_tool

Data backup

mysql_backup -e {env} -i {backup id} -r {run?} --gzip

you can get help by running mysql_backup -h

  • env - default (local), key to find the configuration file. e.g.) config-local.json

  • backup id - default (0), ID to use when restoring as a string

  • run? - Default (false), you can check in advance which command will be executed, if true, it will be executed

  • gzip? - default (true), whether to compress with gzip or not

  • DUMP_OPTIONS - you can set common mysqldump command options by this Environment variable, if not set, it will use default options for mysqldump. (--single-transaction --skip-lock-tables)

After execution, a directory named "backup-{backup id}" will be created under the current directory.

restore backup data

mysql_restore -e {env} -i {backup id} -r {run?} --drop-all-tables

you can get help by running mysql_restore -h

  • drop all tables? - Default (false), to keep existing tables, or true, which may cause integration check error if not set to true

Generate creating db and user sql

You can generate a sql script to create a db and user.

gen_create_db_user {user} {password} {db} {host}

Installing Ruby

You can use OS default ruby if it is already installed.

Below is additional steps to install or develop with the latest version of Ruby.

Install using rbenv on Mac OS X

brew install rbenv
rbenv init
rbenv install 3.3.0
rbenv global 3.3.0
ruby -v