Ebs-snapshoter is a project mainly written in Ruby, it's free.
EC2 Instance Snapshot Manager
snapshoter by Kris Rasmussen http://www.dreamthis.com
== DESCRIPTION:
Provides EBS snapshot automation that can be configured and run on an EC2 instance.
Snapshot Process:
== FEATURES/PROBLEMS:
You can configure the following options:
== SYNOPSIS:
/etc/snapshoter.yml
aws_public_key: VSdfslkfjsdf...
aws_private_key: df23knlkvjsdf...
vol-VVVV1113:
mount_point: /data1
frequency: daily
freeze_mysql: true
mysql_user: root
mysql_password: XDFDSE32
keep: 20
vol-BBBBB1112:
mount_point: /data2
frequency: weekly
== REQUIREMENTS:
== INSTALL:
== LICENSE:
(The MIT License)
Copyright (c) 2008 Kris Rasmussen
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.