import logging
log = logging.getLogger(__name__)


class AmazonMachineImage(object):

	def __init__(self, image_id, ec2_connection):
		self.ec2_connection = ec2_connection
		self.ami = self.ec2_connection.get_image(image_id)


class EBSImage(AmazonMachineImage):

	def destroy(self):
		log.debug('Deleting AMI')
		self.ami.deregister()
		for device, block_device_type in self.ami.block_device_mapping.items():
			self.ec2_connection.delete_snapshot(block_device_type.snapshot_id)
		del self.ami


class S3Image(AmazonMachineImage):

	def destroy(self):
		log.debug('Deleting AMI')
		self.ami.deregister()
		del self.ami