machine_hostname.py

# Copyright 2023 Canonical Ltd.
# Licensed under the Apache V2, see LICENCE file for details.


"""This example:

1. Connects to the current model
2. Creates a machine
3. Waits for the machine agent to start and prints out the reported machine
   hostname.

NOTE: this example requires a 2.8.10+ controller.
"""

import asyncio
import logging

from juju.model import Model

MB = 1
GB = 1024


async def main():
    model = Model()
    await model.connect()

    try:
        # Add a machine and wait until the machine agents starts
        machine1 = await model.add_machine()
        await model.block_until(lambda: machine1.agent_status == "started")

        # At this point we can access the reported hostname via the hostname
        # property of the machine model.
        print(f"machine1 hostname: {machine1.hostname}")

        await machine1.destroy(force=True)
    finally:
        await model.disconnect()


if __name__ == "__main__":
    logging.basicConfig(level=logging.DEBUG)
    ws_logger = logging.getLogger("websockets.protocol")
    ws_logger.setLevel(logging.INFO)

    asyncio.run(main())