lxd-project/lxd_interface.py

48 lines
1.7 KiB
Python

import time
import pylxd
import ipaddress
lxd_client = pylxd.client.Client()
def create_instance(container_name: str, instance_password: str):
config = {'name': container_name, 'source':
{'type': 'image', "mode": "pull", "server": "https://cloud-images.ubuntu.com/daily", "protocol": "simplestreams",
'alias': 'lts/amd64'}, 'config': {'security.nesting': 'true'}}
instance = lxd_client.instances.create(config, wait=True)
instance.start(wait=True)
while type(ipaddress.ip_address(instance.state().network['eth0']['addresses'][0]['address'])) != ipaddress.IPv4Address:
time.sleep(0.1)
setup_ssh(container_name, instance_password)
return instance.state().network['eth0']['addresses'][0]
def destroy_instance(container_name: str):
instance = lxd_client.instances.get(container_name)
instance.stop(wait=True)
instance.delete(wait=True)
return True
def execute_command(container_name: str, command: list, stdin_payload=None):
instance = lxd_client.instances.get(container_name)
result_tuple = instance.execute(command, stdin_payload=stdin_payload)
return result_tuple
def setup_ssh(container_name: str, instance_password: str):
execute_command(container_name,
["sed", "-i", "s/PasswordAuthentication no/PasswordAuthentication yes/", "/etc/ssh/sshd_config"])
execute_command(container_name,
["sed", "-i", "s/#PermitRootLogin prohibit-password/PermitRootLogin yes/",
"/etc/ssh/sshd_config"])
execute_command(container_name, ["systemctl", "restart", "sshd"])
execute_command(container_name, ["passwd", "root"], stdin_payload=f"{instance_password}\n{instance_password}")
return True