modules/libjuju/examples/unitrun.py

   1 """
   2 This example:
   3
   4 1. Connects to current model and resets it.
   5 2. Deploys one ubuntu unit.
   6 3. Runs an action against the unit.
   7 4. Waits for the action results to come back, then exits.
   8
   9 """
  10 import asyncio
  11 import logging
  12
  13 from juju.model import Model
  14 from juju import loop
  15
  16
  17 async def run_command(unit):
  18     logging.debug('Running command on unit %s', unit.name)
  19
  20     # unit.run() returns a juju.action.Action instance
  21     action = await unit.run('unit-get public-address')
  22     logging.debug("Action results: %s", action.results)
  23
  24
  25 async def main():
  26     model = Model()
  27     await model.connect()
  28     await model.reset(force=True)
  29
  30     app = await model.deploy(
  31         'ubuntu-0',
  32         application_name='ubuntu',
  33         series='trusty',
  34         channel='stable',
  35     )
  36
  37     for unit in app.units:
  38         await run_command(unit)
  39
  40     await model.disconnect()
  41
  42
  43 if __name__ == '__main__':
  44     logging.basicConfig(level=logging.DEBUG)
  45     ws_logger = logging.getLogger('websockets.protocol')
  46     ws_logger.setLevel(logging.INFO)
  47     loop.run(main())