X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=n2vc%2Flibjuju.py;h=5e4bef350cf8b6ec77b4bf9302a65a5dd44d3ddb;hb=refs%2Fchanges%2F80%2F12180%2F1;hp=6580067c1a3070d0fab992e45eca1118519b4be9;hpb=b67ff648ce4118777daaf94336e57b1bb882bf2b;p=osm%2FN2VC.git

diff --git a/n2vc/libjuju.py b/n2vc/libjuju.py
index 6580067..5e4bef3 100644
--- a/n2vc/libjuju.py
+++ b/n2vc/libjuju.py
@@ -94,7 +94,7 @@ class Libjuju:
         """
         controller = None
         try:
-            controller = Controller(loop=self.loop)
+            controller = Controller()
             await asyncio.wait_for(
                 controller.connect(
                     endpoint=self.vca_connection.data.endpoints,
@@ -121,7 +121,10 @@ class Libjuju:
             )
             if controller:
                 await self.disconnect_controller(controller)
-            raise JujuControllerFailedConnecting(e)
+
+            raise JujuControllerFailedConnecting(
+                f"Error connecting to Juju controller: {e}"
+            )
 
     async def disconnect(self):
         """Disconnect"""
@@ -804,6 +807,35 @@ class Libjuju:
 
         return application
 
+    async def resolve(self, model_name: str):
+
+        controller = await self.get_controller()
+        model = await self.get_model(controller, model_name)
+        all_units_active = False
+        try:
+            while not all_units_active:
+                all_units_active = True
+                for application_name, application in model.applications.items():
+                    if application.status == "error":
+                        for unit in application.units:
+                            if unit.workload_status == "error":
+                                self.log.debug(
+                                    "Model {}, Application {}, Unit {} in error state, resolving".format(
+                                        model_name, application_name, unit.entity_id
+                                    )
+                                )
+                                try:
+                                    await unit.resolved(retry=False)
+                                    all_units_active = False
+                                except Exception:
+                                    pass
+
+                if not all_units_active:
+                    await asyncio.sleep(5)
+        finally:
+            await self.disconnect_model(model)
+            await self.disconnect_controller(controller)
+
     async def scale_application(
         self,
         model_name: str,
@@ -1174,18 +1206,23 @@ class Libjuju:
             await self._destroy_pending_machines(model, only_manual=True)
             await self.disconnect_model(model)
 
-            await self._destroy_model(
-                model_name,
-                controller,
+            await asyncio.wait_for(
+                self._destroy_model(model_name, controller),
                 timeout=total_timeout,
             )
+        except Exception as e:
+            if not await self.model_exists(model_name, controller=controller):
+                return
+            raise e
         finally:
             if model:
                 await self.disconnect_model(model)
             await self.disconnect_controller(controller)
 
     async def _destroy_model(
-        self, model_name: str, controller: Controller, timeout: float = 1800
+        self,
+        model_name: str,
+        controller: Controller,
     ):
         """
         Destroy model from controller
@@ -1195,21 +1232,40 @@ class Libjuju:
         :param: timeout: Timeout in seconds
         """
 
-        async def _destroy_model_loop(model_name: str, controller: Controller):
-            while await self.model_exists(model_name, controller=controller):
+        async def _destroy_model_gracefully(model_name: str, controller: Controller):
+            self.log.info(f"Gracefully deleting model {model_name}")
+            resolved = False
+            while model_name in await controller.list_models():
+                if not resolved:
+                    await self.resolve(model_name)
+                    resolved = True
+                await controller.destroy_model(model_name, destroy_storage=True)
+
+                await asyncio.sleep(5)
+            self.log.info(f"Model {model_name} deleted gracefully")
+
+        async def _destroy_model_forcefully(model_name: str, controller: Controller):
+            self.log.info(f"Forcefully deleting model {model_name}")
+            while model_name in await controller.list_models():
                 await controller.destroy_model(
-                    model_name, destroy_storage=True, force=True, max_wait=0
+                    model_name, destroy_storage=True, force=True, max_wait=60
                 )
                 await asyncio.sleep(5)
+            self.log.info(f"Model {model_name} deleted forcefully")
 
         try:
-            await asyncio.wait_for(
-                _destroy_model_loop(model_name, controller), timeout=timeout
-            )
-        except asyncio.TimeoutError:
-            raise Exception(
-                "Timeout waiting for model {} to be destroyed".format(model_name)
-            )
+            try:
+                await asyncio.wait_for(
+                    _destroy_model_gracefully(model_name, controller), timeout=120
+                )
+            except asyncio.TimeoutError:
+                await _destroy_model_forcefully(model_name, controller)
+        except juju.errors.JujuError as e:
+            if any("has been removed" in error for error in e.errors):
+                return
+            if any("model not found" in error for error in e.errors):
+                return
+            raise e
 
     async def destroy_application(
         self, model_name: str, application_name: str, total_timeout: float