modules/libjuju/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 from juju import loop
  10
  11
  12 async def main():
  13     model = Model()
  14     await model.connect()
  15     await model.reset(force=True)
  16
  17     goal_state = Model.from_yaml('bundle-like-thing')
  18     ubuntu_app = await model.deploy(
  19         'ubuntu-0',
  20         application_name='ubuntu',
  21         series='trusty',
  22         channel='stable',
  23     )
  24     ubuntu_app.on_unit_added(callback=lambda unit: True)
  25
  26     await model.deploy(
  27         'nrpe-11',
  28         application_name='nrpe',
  29         series='trusty',
  30         channel='stable',
  31         num_units=0,
  32     )
  33     await model.add_relation(
  34         'ubuntu',
  35         'nrpe',
  36     )
  37
  38     result, ok = await model.block_until(
  39         lambda: model.matches(goal_state),
  40         timeout=600
  41     )
  42
  43
  44 if __name__ == '__main__':
  45     logging.basicConfig(level=logging.DEBUG)
  46     ws_logger = logging.getLogger('websockets.protocol')
  47     ws_logger.setLevel(logging.INFO)
  48     loop.run(main())