improve uninstall documentation, remove None output in uninstall command

areas/apps/models.py

@@ -37,8 +37,11 @@ class App(db.Model):
         """
         Delete the app kustomization.
 
-        This triggers a deletion of the app's PVCs (so deletes all data), as
-        well as any other Kustomizations and HelmReleases related to the app
+        In our case, this triggers a deletion of the app's PVCs (so deletes all
+        data), as well as any other Kustomizations and HelmReleases related to
+        the app. It also triggers a deletion of the OAuth2Client object, but
+        does not delete the secrets generated by the `install` command. It also
+        does not remove the TLS secret generated by cert-manager.
         """
         self.__delete_kustomization()
 

cliapp/cliapp/cli.py

@@ -100,8 +100,8 @@ def delete_app(slug):
 
     app_status = app_obj.get_status()
     if not app_status.installed:
-        deleted = app_obj.delete()
-        current_app.logger.info(f"Success.")
+        app_obj.delete()
+        current_app.logger.info("Success.")
     else:
         current_app.logger.info("Can not delete installed application, run"
             " 'uninstall' first")
@@ -122,8 +122,8 @@ def uninstall_app(slug):
         current_app.logger.info("Not found")
         return
 
-    uninstalled = app_obj.uninstall()
-    current_app.logger.info(f"Success: {uninstalled}")
+    app_obj.uninstall()
+    current_app.logger.info("Success.")
     return
 
 @app_cli.command("status")

helpers/kubernetes.py

@@ -180,8 +180,10 @@ def delete_kustomization(kustomization_name):
     """
     Deletes a kustomization.
 
-    Note that this can also result in the deletion of an app's HelmReleases,
-    PVCs (user data!), OAuth2Client, etc. Nothing will remain
+    Note that if the kustomization has `prune: true` in its spec, this will
+    trigger deletion of other elements generated by the Kustomizartion. See
+    App.uninstall() to learn what implications this has for what will and will
+    not be deleted by the kustomize-controller.
 
     :param kustomization_name: name of the kustomization to delete
     :type kustomization_name: string