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 = await controller.add_model("quux")
  25
  26         print('Deploying ubuntu')
  27         application = await model.deploy(
  28             'ubuntu-10',
  29             application_name='ubuntu',
  30             series='trusty',
  31             channel='stable',
  32         )
  33
  34         print('Waiting for active')
  35         await asyncio.sleep(10)
  36         await model.block_until(
  37             lambda: all(unit.workload_status == 'active'
  38                         for unit in application.units))
  39
  40         print("Verifying that we can ssh into the created model")
  41         ret = utils.execute_process('juju', 'ssh', 'ls /', log=LOG)
  42         assert ret
  43
  44         print('Removing ubuntu')
  45         await application.remove()
  46
  47         print("Destroying model")
  48         await controller.destroy_model(model.info.uuid)
  49
  50     finally:
  51         print('Disconnecting from controller')
  52         await model.disconnect()
  53         await controller.disconnect()
  54
  55
  56 loop.run(main())