Pass through event loop
[osm/N2VC.git] / juju / client / connection.py
index 3e304c1..3011a8a 100644 (file)
@@ -11,6 +11,7 @@ import subprocess
 import websockets
 from http.client import HTTPSConnection
 
+import asyncio
 import yaml
 
 from juju import tag
@@ -36,13 +37,14 @@ class Connection:
     """
     def __init__(
             self, endpoint, uuid, username, password, cacert=None,
-            macaroons=None):
+            macaroons=None, loop=None):
         self.endpoint = endpoint
         self.uuid = uuid
         self.username = username
         self.password = password
         self.macaroons = macaroons
         self.cacert = cacert
+        self.loop = loop or asyncio.get_event_loop()
 
         self.__request_id__ = 0
         self.addr = None
@@ -67,6 +69,7 @@ class Connection:
 
         kw = dict()
         kw['ssl'] = self._get_ssl(self.cacert)
+        kw['loop'] = self.loop
         self.addr = url
         self.ws = await websockets.connect(url, **kw)
         log.info("Driver connected to juju %s", url)
@@ -153,6 +156,7 @@ class Connection:
             self.password,
             self.cacert,
             self.macaroons,
+            self.loop,
         )
 
     async def controller(self):
@@ -166,19 +170,21 @@ class Connection:
             self.password,
             self.cacert,
             self.macaroons,
+            self.loop,
         )
 
     @classmethod
     async def connect(
             cls, endpoint, uuid, username, password, cacert=None,
-            macaroons=None):
+            macaroons=None, loop=None):
         """Connect to the websocket.
 
         If uuid is None, the connection will be to the controller. Otherwise it
         will be to the model.
 
         """
-        client = cls(endpoint, uuid, username, password, cacert, macaroons)
+        client = cls(endpoint, uuid, username, password, cacert, macaroons,
+                     loop)
         await client.open()
 
         redirect_info = await client.redirect_info()
@@ -209,7 +215,7 @@ class Connection:
             "Couldn't authenticate to %s", endpoint)
 
     @classmethod
-    async def connect_current(cls):
+    async def connect_current(cls, loop=None):
         """Connect to the currently active model.
 
         """
@@ -219,10 +225,10 @@ class Connection:
         model_name = models['current-model']
 
         return await cls.connect_model(
-            '{}:{}'.format(controller_name, model_name))
+            '{}:{}'.format(controller_name, model_name), loop)
 
     @classmethod
-    async def connect_current_controller(cls):
+    async def connect_current_controller(cls, loop=None):
         """Connect to the currently active controller.
 
         """
@@ -231,10 +237,10 @@ class Connection:
         if not controller_name:
             raise JujuConnectionError('No current controller')
 
-        return await cls.connect_controller(controller_name)
+        return await cls.connect_controller(controller_name, loop)
 
     @classmethod
-    async def connect_controller(cls, controller_name):
+    async def connect_controller(cls, controller_name, loop=None):
         """Connect to a controller by name.
 
         """
@@ -248,10 +254,10 @@ class Connection:
         macaroons = get_macaroons() if not password else None
 
         return await cls.connect(
-            endpoint, None, username, password, cacert, macaroons)
+            endpoint, None, username, password, cacert, macaroons, loop)
 
     @classmethod
-    async def connect_model(cls, model):
+    async def connect_model(cls, model, loop=None):
         """Connect to a model by name.
 
         :param str model: <controller>:<model>
@@ -272,7 +278,7 @@ class Connection:
         macaroons = get_macaroons() if not password else None
 
         return await cls.connect(
-            endpoint, model_uuid, username, password, cacert, macaroons)
+            endpoint, model_uuid, username, password, cacert, macaroons, loop)
 
     def build_facades(self, info):
         self.facades.clear()