async def main():
model = Model()
- await model.connect_current()
+ # connect to current model with current user, per Juju CLI
+ await model.connect()
- model.add_observer(MyRemoveObserver())
- await model.reset(force=True)
- model.add_observer(MyModelObserver())
+ try:
+ model.add_observer(MyRemoveObserver())
+ await model.reset(force=True)
+ model.add_observer(MyModelObserver())
- ubuntu_app = await model.deploy(
- 'ubuntu',
- application_name='ubuntu',
- series='trusty',
- channel='stable',
- )
- ubuntu_app.on_change(asyncio.coroutine(
- lambda delta, old_app, new_app, model:
- print('App changed: {}'.format(new_app.entity_id))
- ))
- ubuntu_app.on_remove(asyncio.coroutine(
- lambda delta, old_app, new_app, model:
- print('App removed: {}'.format(old_app.entity_id))
- ))
- ubuntu_app.on_unit_add(asyncio.coroutine(
- lambda delta, old_unit, new_unit, model:
- print('Unit added: {}'.format(new_unit.entity_id))
- ))
- ubuntu_app.on_unit_remove(asyncio.coroutine(
- lambda delta, old_unit, new_unit, model:
- print('Unit removed: {}'.format(old_unit.entity_id))
- ))
- unit_a, unit_b = await ubuntu_app.add_units(count=2)
- unit_a.on_change(asyncio.coroutine(
- lambda delta, old_unit, new_unit, model:
- print('Unit changed: {}'.format(new_unit.entity_id))
- ))
- await model.deploy(
- 'nrpe',
- application_name='nrpe',
- series='trusty',
- channel='stable',
- # subordinates must be deployed without units
- num_units=0,
- )
- my_relation = await model.add_relation(
- 'ubuntu',
- 'nrpe',
- )
- my_relation.on_remove(asyncio.coroutine(
- lambda delta, old_rel, new_rel, model:
- print('Relation removed: {}'.format(old_rel.endpoints))
- ))
+ ubuntu_app = await model.deploy(
+ 'ubuntu',
+ application_name='ubuntu',
+ series='trusty',
+ channel='stable',
+ )
+ ubuntu_app.on_change(asyncio.coroutine(
+ lambda delta, old_app, new_app, model:
+ print('App changed: {}'.format(new_app.entity_id))
+ ))
+ ubuntu_app.on_remove(asyncio.coroutine(
+ lambda delta, old_app, new_app, model:
+ print('App removed: {}'.format(old_app.entity_id))
+ ))
+ ubuntu_app.on_unit_add(asyncio.coroutine(
+ lambda delta, old_unit, new_unit, model:
+ print('Unit added: {}'.format(new_unit.entity_id))
+ ))
+ ubuntu_app.on_unit_remove(asyncio.coroutine(
+ lambda delta, old_unit, new_unit, model:
+ print('Unit removed: {}'.format(old_unit.entity_id))
+ ))
+ unit_a, unit_b = await ubuntu_app.add_units(count=2)
+ unit_a.on_change(asyncio.coroutine(
+ lambda delta, old_unit, new_unit, model:
+ print('Unit changed: {}'.format(new_unit.entity_id))
+ ))
+ await model.deploy(
+ 'nrpe',
+ application_name='nrpe',
+ series='trusty',
+ channel='stable',
+ # subordinates must be deployed without units
+ num_units=0,
+ )
+ my_relation = await model.add_relation(
+ 'ubuntu',
+ 'nrpe',
+ )
+ my_relation.on_remove(asyncio.coroutine(
+ lambda delta, old_rel, new_rel, model:
+ print('Relation removed: {}'.format(old_rel.endpoints))
+ ))
+ finally:
+ await model.disconnect()
if __name__ == '__main__':
- logging.basicConfig(level=logging.DEBUG)
+ logging.basicConfig(level=logging.INFO)
ws_logger = logging.getLogger('websockets.protocol')
ws_logger.setLevel(logging.INFO)
loop.run(main())