boot an instance on openstack

boot.py

#!/usr/bin/env python

import openstack
import os
import base64


def create_connection():
    return openstack.connect(
        auth_url=os.environ.get('OS_AUTH_URL'),
        project_name=os.environ.get('OS_TENANT_NAME'),
        username=os.environ.get('OS_USERNAME'),
        password=os.environ.get('OS_PASSWORD'),
        region_name=os.environ.get('OS_REGION_NAME'),
        user_domain_name='Default',
        project_domain_name='Default',
    )


def create_server(conn, server_name, userdata):
    print("Create Server:")

    image = conn.compute.find_image('Debian 10')
    flavor = conn.compute.find_flavor('c2-7')
    network = conn.network.find_network('Ext-Net')
    keypair = conn.compute.find_keypair('arnaud-ovh')

    server = conn.compute.create_server(
        name=server_name, image_id=image.id, flavor_id=flavor.id,
        networks=[{"uuid": network.id}], key_name=keypair.name, user_data=userdata)

    server = conn.compute.wait_for_server(server)
    print(server.addresses)


userdata = base64.b64encode("#!/bin/bash\ntouch /root/test".encode("utf-8")).decode('utf-8')

conn = create_connection()
create_server(conn, 'test', userdata)