ec2-elastic-backup

#!/bin/bash
#
# install http://code.google.com/p/amazon-simpledb-cli/
# and http://developer.amazonwebservices.com/connect/entry.jspa?externalID=1136
# WARNING: make sure to install the required packages of the second as well

export JAVA_HOME="location to your java home"
export EC2_PRIVATE_KEY="location to your private key file"
export EC2_CERT="location to your certificate"
export EC2_HOME="location to your ec2 home"
export AWS_ACCESS_KEY_ID="your aws access key id"
export AWS_SECRET_ACCESS_KEY="your aws secret access key"
PATH=$PATH:$HOME/bin:$EC2_HOME/bin:/usr/local/bin

region="eu-west-1"

# if called with a parameter that is accepted by 'data --date'
# it creates a date based on that value. if it is empty we take
# a default expiration of 24 hours
offset=$1
if [ "${offset}" == "" ]
then
    offset="24 hours"
fi

expiration=$(date -u --date="${offset}" +"%Y-%m-%d %H:%M:%S")
if [ "$expiration" == "" ]
then
    exit 0
fi

vols=( "vol-44c3262d" )

mountpoints=( "/var/www" )

for ((i = 0; i < ${#vols[@]}; i++))
do
    xfs_freeze -f ${mountpoints[i]}
    snapshot=($(ec2-create-snapshot ${vols[i]} --region $region))
    xfs_freeze -u ${mountpoints[i]}

    /usr/local/bin/simpledb put snapshot ${snapshot[1]} expires="${expiration}"
done