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#aws
Title
# aws
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nice-pharmacist-5320

01/17/2022, 10:09 AM
Hello everyone, I have run into a weird issue. I am creating a EKS cluster which works fine, but on destroy pulumi tries to delete the security groups created for the node groups which fails because there is a network interface attached to it. I am guessing this network interface is attached by AWS/EKS when I bring up a loadbalancer and hence pulumi does not know about it which cause the destroy to fail. I have to manually go and delete the network interface, so the the destroy can proceed with deleting the security group and everything after that. Does anyone know about this?
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billowy-army-68599

01/17/2022, 3:23 PM
how are you creating the LoadBalancer? are you deploying something like an ingress controller?
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nice-pharmacist-5320

01/17/2022, 3:43 PM
creating the loadbalancer by installing AWS ALB controller and then creating an ingress of class
alb
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billowy-army-68599

01/17/2022, 4:57 PM
you'll need to delete that first
before deleting the cluster
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nice-pharmacist-5320

01/17/2022, 6:01 PM
I am deleting loadbalancer first which does get deleted without any issue. Its the eks node group’s security group which somehow has a dangling network interface that does not get deleted
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billowy-army-68599

01/17/2022, 6:09 PM
@nice-pharmacist-5320 you need to also delete any ingresses you create, and wait for the finalizer to finish, it's a "design feature" of the aws alb controller
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