Create EC2 snapshot from all volumes connected in the VM itself.

create_my_snapshots.py

#!/usr/bin/python

from boto.ec2.connection import EC2Connection
from boto.utils import get_instance_metadata
from datetime import datetime
import sys


conn = EC2Connection('AUTH_KEY', 'SECRET_KEY')
description = 'Created by crontab  at ' + datetime.today().isoformat(' ')

m = get_instance_metadata()
volumes = [v for v in conn.get_all_volumes() if v.attach_data.instance_id == m['instance-id']]

for v in volumes :
   snapshot  = conn.create_snapshot( v.id ,description)
   print  "Snapshot of %s triggered" % v.id