openstacksdk

import os import openstack import time # Configure connection via environment variables for a quickstart # In a real application, consider using a clouds.yaml file for more robust configuration. # Example: export OS_CLOUD='devstack' or set individual OS_ prefixed variables. # You can also pass auth parameters directly to openstack.connect() # Initialize and turn on debug logging (optional, but useful for troubleshooting) openstack.enable_logging(debug=True) try: # Establish a connection to your OpenStack cloud # 'envvars' tells openstacksdk to look for OS_CLOUD or individual OS_ prefixed environment variables conn = openstack.connect(cloud='envvars') print("Successfully connected to OpenStack!") # List available images print("\nAvailable images:") for image in conn.image.images(): print(f" ID: {image.id}, Name: {image.name}") # List available flavors (instance types) print("\nAvailable flavors:") for flavor in conn.compute.flavors(): print(f" ID: {flavor.id}, Name: {flavor.name}, RAM: {flavor.ram}MB, VCPUs: {flavor.vcpus}") # --- Example: Create a new server (instance) --- # Requires an existing image, flavor, network, and keypair in your OpenStack cloud. # Replace with actual values from your environment or obtained from the above listings. IMAGE_NAME = os.environ.get('OS_TEST_IMAGE', 'cirros') FLAVOR_NAME = os.environ.get('OS_TEST_FLAVOR', 'm1.tiny') NETWORK_NAME = os.environ.get('OS_TEST_NETWORK', 'private') # Or 'public' if applicable KEYPAIR_NAME = os.environ.get('OS_TEST_KEYPAIR', 'my_keypair') SERVER_NAME = f"test-sdk-server-{int(time.time())}" # Find the image, flavor, and network by name image = conn.image.find_image(IMAGE_NAME) flavor = conn.compute.find_flavor(FLAVOR_NAME) network = conn.network.find_network(NETWORK_NAME) keypair = conn.compute.find_keypair(KEYPAIR_NAME) if not all([image, flavor, network, keypair]): print("\nError: One or more required resources (image, flavor, network, keypair) not found. Skipping server creation.") else: print(f"\nCreating server '{SERVER_NAME}'...") server = conn.compute.create_server( name=SERVER_NAME, image_id=image.id, flavor_id=flavor.id, networks=[{"uuid": network.id}], key_name=keypair.name ) print(f"Server '{SERVER_NAME}' created (ID: {server.id}). Waiting for active status...") conn.compute.wait_for_server(server) print(f"Server '{SERVER_NAME}' is now {server.status}.") print(f"Access IPv4: {getattr(server, 'access_ipv4', 'N/A')}") # Cleanup: Delete the created server print(f"\nDeleting server '{SERVER_NAME}' (ID: {server.id})...") conn.compute.delete_server(server.id) conn.compute.wait_for_delete(server) print(f"Server '{SERVER_NAME}' deleted.") except openstack.exceptions.SDKException as e: print(f"An OpenStack SDK error occurred: {e}") except Exception as e: print(f"An unexpected error occurred: {e}")