Minor improvements

[osm/N2VC.git] / juju / application.py

diff --git a/juju/application.py b/juju/application.py
index 4a98622..69f412f 100644 (file)
--- a/juju/application.py
+++ b/juju/application.py
@@ -3,6 +3,7 @@ import logging
 
 from . import model
 from .client import client
+from .placement import parse as parse_placement
 
 log = logging.getLogger(__name__)
 
@@ -40,14 +41,18 @@ class Application(model.ModelEntity):
         """Get the application status, as set by the charm's leader.
 
         """
-        return self.data['status']['current']
+        return self.safe_data['status']['current']
 
     @property
     def status_message(self):
         """Get the application status message, as set by the charm's leader.
 
         """
-        return self.data['status']['message']
+        return self.safe_data['status']['message']
+
+    @property
+    def tag(self):
+        return 'application-%s' % self.name
 
     async def add_relation(self, local_relation, remote_relation):
         """Add a relation to another application.
@@ -83,7 +88,7 @@ class Application(model.ModelEntity):
 
         result = await app_facade.AddUnits(
             application=self.name,
-            placement=to,
+            placement=[parse_placement(to)] if to else None,
             num_units=count,
         )
 
@@ -337,3 +342,6 @@ class Application(model.ModelEntity):
 
         """
         pass
+
+    async def get_metrics(self):
+        return await self.model.get_metrics(self.tag)