modules/libjuju/examples/livemodel.py

   1 """
   2 This example:
   3
   4 1. Connects to the current model
   5 2. Watches the model and prints all changes
   6 3. Runs forever (kill with Ctrl-C)
   7
   8 """
   9 from juju.model import Model
  10 from juju import loop
  11
  12
  13 async def on_model_change(delta, old, new, model):
  14     print(delta.entity, delta.type, delta.data)
  15     print(old)
  16     print(new)
  17     print(model)
  18
  19
  20 async def watch_model():
  21     model = Model()
  22     # connect to current model with current user, per Juju CLI
  23     await model.connect()
  24
  25     model.add_observer(on_model_change)
  26
  27
  28 if __name__ == '__main__':
  29     # Run loop until the process is manually stopped (watch_model will loop
  30     # forever).
  31     loop.run(watch_model())