Pin black version in tox.ini to 23.12.1

[osm/N2VC.git] / examples / relate.py

diff --git a/examples/relate.py b/examples/relate.py
deleted file mode 100644 (file)
index 8f1e708..0000000
--- a/examples/relate.py
+++ /dev/null
@@ -1,98 +0,0 @@
-"""
-This example:
-
-1. Connects to the current model
-2. Resets it
-3. Deploys two charms and relates them
-4. Waits for units to be idle, then exits
-
-"""
-import asyncio
-import logging
-
-from juju.model import Model, ModelObserver
-from juju import loop
-
-
-class MyRemoveObserver(ModelObserver):
-    async def on_change(self, delta, old, new, model):
-        if delta.type == 'remove':
-            assert(new.latest() == new)
-            assert(new.next() is None)
-            assert(new.dead)
-            assert(new.current)
-            assert(new.connected)
-            assert(new.previous().dead)
-            assert(not new.previous().current)
-            assert(not new.previous().connected)
-
-
-class MyModelObserver(ModelObserver):
-    _shutting_down = False
-
-    async def on_change(self, delta, old, new, model):
-        if model.units and model.all_units_idle() and not self._shutting_down:
-            self._shutting_down = True
-            logging.debug('All units idle, disconnecting')
-            await model.reset(force=True)
-            await model.disconnect()
-
-
-async def main():
-    model = Model()
-    await model.connect_current()
-
-    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))
-    ))
-
-
-if __name__ == '__main__':
-    logging.basicConfig(level=logging.DEBUG)
-    ws_logger = logging.getLogger('websockets.protocol')
-    ws_logger.setLevel(logging.INFO)
-    loop.run(main())