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 logging
  11
  12 from juju.model import Model
  13 from juju import loop
  14
  15
  16 async def run_command(unit):
  17     logging.debug('Running command on unit %s', unit.name)
  18
  19     # unit.run() returns a juju.action.Action instance
  20     action = await unit.run('unit-get public-address')
  21     logging.debug("Action results: %s", action.results)
  22
  23
  24 async def main():
  25     model = Model()
  26     # connect to current model with current user, per Juju CLI
  27     await model.connect()
  28
  29     app = await model.deploy(
  30         'ubuntu-0',
  31         application_name='ubuntu',
  32         series='trusty',
  33         channel='stable',
  34     )
  35
  36     for unit in app.units:
  37         await run_command(unit)
  38
  39     await model.disconnect()
  40
  41
  42 if __name__ == '__main__':
  43     logging.basicConfig(level=logging.DEBUG)
  44     ws_logger = logging.getLogger('websockets.protocol')
  45     ws_logger.setLevel(logging.INFO)
  46     loop.run(main())