from libcloud.compute.types import Provider
from libcloud.compute.providers import get_driver
from libcloud.compute.base import NodeSize, NodeImage

ACCESS_ID = 'your access id'
SECRET_KEY = 'your secret key'

IMAGE_ID = 'ami-c8052d8d'
SIZE_ID = 't1.micro'

cls = get_driver(Provider.EC2)
driver = cls(ACCESS_ID, SECRET_KEY, region="us-west-1")

size = NodeSize(id=SIZE_ID, name=None, ram=None, disk=None, bandwidth=None,
                price=None, driver=driver)
image = NodeImage(id=IMAGE_ID, name=None, driver=driver)

node = driver.create_node(name='test-node', image=image, size=size)