Stack delete fails after wrong attribute in template

[sab]

While creating a LoadBalancer resource with a template like below:

   LBpool:
      type: OS::Neutron::LoadBalancer
      properties:
          members: [{get_attr: [autoscaling_group, InstanceList]}]
          protocol_port: 8080
          pool_id: lb_autoscaling_pool

Here autoscaling_group is a AutoScalingGroup resource, Since there is no 'InstanceList' attribute in AutoScalingGroup it will fail with a StackValidationFailed exception.

While if we try to delete the stack, the deletion fails throwing a "ValueError: LBpool: members The Referenced Attribute (instance_group InstanceList) is incorrect." .

 I think on a stack deletion it's desirable to recover from such errors.

[Alexey Ivanitskiy (aivanitskiy)]

There is a patch, which fixes this bug.
https://review.openstack.org/#/c/82488/
It validates a template before and raises an error, if some attributes are incorrect, and doesn't create a stack

[Song Li (lisong-cruise)]

What's the status of the issue? @sab Does the patch works for the issue?