https://github.com/donquixote/mysql-dump-all

https://github.com/donquixote/mysql-dump-all

Last synced: 7 days ago
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• Host: GitHub
• URL: https://github.com/donquixote/mysql-dump-all
• Owner: donquixote
• Created: 2013-03-18T05:10:38.000Z (over 11 years ago)
• Default Branch: master
• Last Pushed: 2013-03-18T05:26:07.000Z (over 11 years ago)
• Last Synced: 2023-03-10T21:13:01.497Z (over 1 year ago)
• Language: PHP
• Size: 105 KB
• Stars: 2
• Watchers: 2
• Forks: 1
• Open Issues: 1
• Metadata Files:
  • Readme: README.md

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README

        
This script will

- Dump all your mysql databases.

- One file per database, gzipped, in `./dump/now/$dbname.sql.gz`.

- Drupal `cache_*` and similar tables are skipped.

- Maintain hourly, daily, monthly, yearly archives of the `./dump/now folder`.  

  E.g. `./dump/weekday/tue/..` contains the latest dump that was made on a tuesday.

- Use symlinks to reduce data duplication in the archives.  

  E.g. if today is tuesday, then `./dump/weekday/tue` will be a symlink to `./dump/now`.

- Rotate those archives.  

  E.g. if today is wednesday, but `./dump/weekday/tue` is found to be a symlink to `./dump/now`, then

  - The symlink at `./dump/weekday/tue` will be deleted.

  - Instead, the folder `./dump/now` will be copied to `./dump/weekday/tue`.

  - This is supposed to happen *before* the dumps in `./dump/now` are updated.

How to use:

- PHP is required.  

  (I find PHP more readable than plain shell script)

- Create a backup db user with pw and readonly privileges on all databases:  

  `GRANT LOCK TABLES, SELECT, SHOW VIEW ON *.* TO 'backup'@'localhost' IDENTIFIED BY '*****';`

- Copy `example.settings.ini` to `settings.ini` and configure it with the db user credentials.

- `php rotate.sh.php | sh` will rotate the archives.

- `php dump-all.sh.php | sh` will dump all tables.

- `sh dump-all.sh` is the combination of rotate and dump-all.  

  This is what you want to put in your cron.

Archive spreading:

- hourly dump for the last 4 hours

- 3-hourly dump for the last 24 hours

- daily dump for the last 7 days 

- monthly dump for the last 4 months

- 3-monthly dumps for the last year

- yearly dumps forever

(might not be correct to the last detail, but you get the idea)