docs/examples/compute/create_ec2_node_keypair_and_to_secgroup.py

from libcloud.compute.types import Provider
from libcloud.compute.providers import get_driver

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

SIZE_ID = "t1.micro"

# Name of the existing keypair you want to use
KEYPAIR_NAME = "keypairname"

# A list of security groups you want this node to be added to
SECURITY_GROUP_NAMES = ["secgroup1", "secgroup2"]

cls = get_driver(Provider.EC2)
driver = cls(ACCESS_ID, SECRET_KEY)

sizes = driver.list_sizes()
images = driver.list_images()
size = [s for s in sizes if s.id == "t1.micro"][0]
image = images[0]

node = driver.create_node(
    name="test-node-1",
    image=image,
    size=size,
    ex_keyname=KEYPAIR_NAME,
    ex_securitygroup=SECURITY_GROUP_NAMES,
)