X-Git-Url: https://osm.etsi.org/gitweb/?p=osm%2FN2VC.git;a=blobdiff_plain;f=n2vc%2Flibjuju.py;h=161370bd1126a88ae3066a2f2a5cea847e23f2b9;hp=bf356f46b5c4a0ca581cae4d0ab073093e3777aa;hb=refs%2Fchanges%2F99%2F10499%2F1;hpb=ec52d282dcc06a8b9eaef9cbaa0cbfb58348bfe0

diff --git a/n2vc/libjuju.py b/n2vc/libjuju.py
index bf356f4..161370b 100644
--- a/n2vc/libjuju.py
+++ b/n2vc/libjuju.py
@@ -40,7 +40,6 @@ from n2vc.exceptions import (
     JujuApplicationNotFound,
     JujuLeaderUnitNotFound,
     JujuActionNotFound,
-    JujuModelAlreadyExists,
     JujuControllerFailedConnecting,
     JujuApplicationExists,
     JujuInvalidK8sConfiguration,
@@ -109,7 +108,6 @@ class Libjuju:
         self.loop.set_exception_handler(self.handle_exception)
         self.creating_model = asyncio.Lock(loop=self.loop)
 
-        self.models = set()
         self.log.debug("Libjuju initialized!")
 
         self.health_check_task = self._create_health_check_task()
@@ -187,22 +185,14 @@ class Libjuju:
         controller = await self.get_controller()
         model = None
         try:
-            # Raise exception if model already exists
-            if await self.model_exists(model_name, controller=controller):
-                raise JujuModelAlreadyExists(
-                    "Model {} already exists.".format(model_name)
-                )
-
             # Block until other workers have finished model creation
             while self.creating_model.locked():
                 await asyncio.sleep(0.1)
 
-            # If the model exists, return it from the controller
-            if model_name in self.models:
-                return
-
             # Create the model
             async with self.creating_model:
+                if await self.model_exists(model_name, controller=controller):
+                    return
                 self.log.debug("Creating model {}".format(model_name))
                 model = await controller.add_model(
                     model_name,
@@ -210,7 +200,6 @@ class Libjuju:
                     cloud_name=cloud_name,
                     credential_name=credential_name or cloud_name,
                 )
-                self.models.add(model_name)
         finally:
             if model:
                 await self.disconnect_model(model)
@@ -855,6 +844,9 @@ class Libjuju:
         controller = await self.get_controller()
         model = None
         try:
+            if not await self.model_exists(model_name, controller=controller):
+                return
+
             model = await self.get_model(controller, model_name)
             self.log.debug("Destroying model {}".format(model_name))
             uuid = model.info.uuid
@@ -866,10 +858,6 @@ class Libjuju:
             # Disconnect model
             await self.disconnect_model(model)
 
-            # Destroy model
-            if model_name in self.models:
-                self.models.remove(model_name)
-
             await controller.destroy_model(uuid, force=True, max_wait=0)
 
             # Wait until model is destroyed