novaclient_keystone_auth_list_flavors_and_servers.py

1from novaclient import client
2
3# Authentication is typically handled via keystoneauth1
4from keystoneauth1 import loading
5from keystoneauth1 import session
6
7# Set up authentication credentials
8auth_url = "http://controller:5000/v3"
9username = "admin"
10password = "password"
11project_name = "admin"
12user_domain_name = "Default"
13project_domain_name = "Default"
14
15loader = loading.get_plugin_loader('password')
16auth = loader.load_from_options(auth_url=auth_url,
17                                username=username,
18                                password=password,
19                                project_name=project_name,
20                                user_domain_name=user_domain_name,
21                                project_domain_name=project_domain_name)
22
23# Create a session and the nova client object
24sess = session.Session(auth=auth)
25nova = client.Client(version="2.1", session=sess)
26
27# Example usage: List all flavors and servers
28print("Flavors:")
29for flavor in nova.flavors.list():
30    print(f" - {flavor.name}")
31
32print("\nServers:")
33for server in nova.servers.list():
34    print(f" - {server.name}")