examples/future.py

   1 """
   2 This example doesn't work - it demonstrates features that don't exist yet.
   3
   4 """
   5 import asyncio
   6 import logging
   7
   8 from juju.model import Model
   9
  10
  11 async def run():
  12     model = Model()
  13     await model.connect_current()
  14     await model.reset(force=True)
  15
  16     goal_state = Model.from_yaml('bundle-like-thing')
  17     ubuntu_app = await model.deploy(
  18         'ubuntu-0',
  19         application_name='ubuntu',
  20         series='trusty',
  21         channel='stable',
  22     )
  23     ubuntu_app.on_unit_added(callback=lambda unit: True)
  24
  25     await model.deploy(
  26         'nrpe-11',
  27         application_name='nrpe',
  28         series='trusty',
  29         channel='stable',
  30         num_units=0,
  31     )
  32     await model.add_relation(
  33         'ubuntu',
  34         'nrpe',
  35     )
  36
  37     result, ok = await model.block_until(
  38         lambda: model.matches(goal_state),
  39         timeout=600
  40     )
  41
  42
  43 logging.basicConfig(level=logging.DEBUG)
  44 ws_logger = logging.getLogger('websockets.protocol')
  45 ws_logger.setLevel(logging.INFO)
  46 loop = asyncio.get_event_loop()
  47 loop.create_task(run())
  48 loop.run_forever()