examples/add_model.py

   1 """
   2 This example:
   3
   4 1. Creates a model on the current controller
   5 2. Deploys a charm to it.
   6 3. Attempts to ssh into the charm
   7
   8 """
   9 from juju import loop
  10 from juju import utils
  11 from juju.controller import Controller
  12 import asyncio
  13 from logging import getLogger
  14
  15 LOG = getLogger(__name__)
  16
  17
  18 async def main():
  19     controller = Controller()
  20     print("Connecting to controller")
  21     await controller.connect_current()
  22
  23     try:
  24         model_name = "quux"
  25         model = await controller.add_model(model_name)
  26
  27         print('Deploying ubuntu')
  28         application = await model.deploy(
  29             'ubuntu-10',
  30             application_name='ubuntu',
  31             series='trusty',
  32             channel='stable',
  33         )
  34
  35         print('Waiting for active')
  36         await asyncio.sleep(10)
  37         await model.block_until(
  38             lambda: all(unit.workload_status == 'active'
  39                         for unit in application.units))
  40
  41         print("Verifying that we can ssh into the created model")
  42         ret = await utils.execute_process(
  43             'juju', 'ssh', '-m', model_name, 'ubuntu/0', 'ls /', log=LOG)
  44         assert ret
  45
  46         print('Removing ubuntu')
  47         await application.remove()
  48
  49         print("Destroying model")
  50         await controller.destroy_model(model.info.uuid)
  51
  52     finally:
  53         print('Disconnecting from controller')
  54         await model.disconnect()
  55         await controller.disconnect()
  56
  57
  58 loop.run(main())