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Script to rotate backup files on AWS S3 according to a grandfather, father, son strategy.

Project description

Backup your files to Amazon Web Services in a way that slowly forgets! I’ve learned that this way is refered to as the [‘Grandfather, father, son’]( strategy.

This script copies a file to Amazon S3 and rotates it.

The filename will have a date stamp added before the first . in the filename. Do not add a timestamp yourself, this will cause the script to treat the file as a unique file and the rotation won’t work!

Rotation works as follows: - Keep files from the last X days - After that, keep Y files spaced at least a week apart - After that, keep Z files spaced at least 30 days apart

## Installation

pip install

## Usage

Export the following environment variables: - export AWS_ACCESS_KEY_ID=yourkeyidhere - export AWS_SECRET_ACCESS_KEY=yoursecretkey

You can also use one of the other methods supported by boto. bucket prefix file.

See python -h for more info.

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