Allow cascade deletion of load balancer

Change-Id: I44efaa5156098b66c6542667d3c7dfb00cda1d01
Story: 1713849
Task: 5364

octavia_dashboard/api/rest/lbaasv2.py

@@ -653,7 +653,8 @@ class LoadBalancer(generic.View):
         """
         conn = _get_sdk_connection(request)
         conn.load_balancer.delete_load_balancer(loadbalancer_id,
-                                                ignore_missing=True)
+                                                ignore_missing=True,
+                                                cascade=True)
 
 
 @urls.register

octavia_dashboard/static/dashboard/project/lbaasv2/listeners/actions/delete/delete.action.service.js

@@ -28,10 +28,7 @@
     '$location',
     'horizon.framework.widgets.modal.deleteModalService',
     'horizon.app.core.openstack-service-api.lbaasv2',
-    'horizon.app.core.openstack-service-api.policy',
-    'horizon.framework.widgets.toast.service',
-    'horizon.framework.util.i18n.gettext',
-    'horizon.framework.util.q.extensions'
+    'horizon.app.core.openstack-service-api.policy'
   ];
 
   /**
@@ -50,16 +47,13 @@
    * @param deleteModal The horizon delete modal service.
    * @param api The LBaaS v2 API service.
    * @param policy The horizon policy service.
-   * @param toast The horizon message service.
-   * @param gettext The horizon gettext function for translation.
-   * @param qExtensions Horizon extensions to the $q service.
    *
    * @returns The listeners delete service.
    */
 
   function deleteService(
     resourceType, actionResultService, $q, $location,
-    deleteModal, api, policy, toast, gettext, qExtensions
+    deleteModal, api, policy
   ) {
     var loadbalancerId, scope;
     var context = { };
@@ -81,7 +75,7 @@
       listeners.map(function(item) {
         loadbalancerId = item.loadbalancerId;
       });
-      return qExtensions.allSettled(listeners.map(checkPermission)).then(afterCheck);
+      return deleteModal.open(scope, listeners, context).then(deleteResult);
     }
 
     function labelize(count) {
@@ -126,35 +120,6 @@
       return actionResult.result;
     }
 
-    function checkPermission(item) {
-      return { promise: canBeDeleted(item), context: item };
-    }
-
-    function afterCheck(result) {
-      if (result.fail.length > 0) {
-        toast.add('error', getMessage(context.labels.error, result.fail));
-      }
-      if (result.pass.length > 0) {
-        return deleteModal.open(scope, result.pass.map(getEntity), context).then(deleteResult);
-      }
-    }
-
-    function canBeDeleted(item) {
-      return qExtensions.booleanAsPromise(!item.default_pool_id);
-    }
-
-    function getMessage(message, entities) {
-      return interpolate(message, [entities.map(getName).join(", ")]);
-    }
-
-    function getName(result) {
-      return getEntity(result).name;
-    }
-
-    function getEntity(result) {
-      return result.context;
-    }
-
     function allowed() {
       return policy.ifAllowed({
         rules: [['load-balancer', 'os_load-balancer_api:listener:delete']]

octavia_dashboard/static/dashboard/project/lbaasv2/listeners/actions/delete/delete.action.service.spec.js

@@ -147,18 +147,5 @@
       expect(toast.add).toHaveBeenCalledWith('success', 'Deleted Listener: First.');
     });
 
-    it('should show message if any selected items do not allow for delete (batch)', function() {
-      spyOn(modal, 'open');
-      spyOn(toast, 'add');
-      items[0].default_pool_id = 'pool1';
-      items[1].default_pool_id = 'pool2';
-      service.perform(items, $scope);
-      $scope.$apply();
-      expect(modal.open).not.toHaveBeenCalled();
-      expect(toast.add).toHaveBeenCalledWith('error',
-        'Unable to delete Listeners' +
-        ': First, Second.');
-    });
-
   });
 })();

octavia_dashboard/static/dashboard/project/lbaasv2/loadbalancers/actions/delete/delete.action.service.js

@@ -88,8 +88,10 @@
           'Confirm Delete Load Balancers', count),
 
         message: ngettext(
-          'You have selected "%s". Deleted load balancer is not recoverable.',
-          'You have selected "%s". Deleted load balancers are not recoverable.', count),
+          'You have selected "%s". Deleted load balancer is not recoverable ' +
+          'and this deletion will delete all of the sub-resources.',
+          'You have selected "%s". Deleted load balancers are not recoverable ' +
+          'and this deletion will delete all of the sub-resources.', count),
 
         submit: ngettext(
           'Delete Load Balancer',

releasenotes/notes/cascade-delete-e4c9d80a31076540.yaml

@@ -0,0 +1,8 @@
+---
+features:
+  - |
+    Allow cascade deletion of load balancer.
+other:
+  - |
+    This changed the default behavior of load balancer deletion from
+    non-cascade deletion to cascade deletion.