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14-cleanup.md

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Cleaning Up

In this lab you will delete the compute resources created during this tutorial.

Compute Instances

Delete the controller and worker compute instances:

openstack server delete \
  controller-0.${DOMAIN} controller-1.${DOMAIN} controller-2.${DOMAIN} \
  worker-0.${DOMAIN} worker-1.${DOMAIN} worker-2.${DOMAIN}

Optionally, delete the DNS and Load Balancer instances:

openstack server delete \
  k8sosp.${DOMAIN} dns.${DOMAIN}

Networking

Delete the kubernetes-the-hard-way security groups:

openstack security group delete \
  kubernetes-the-hard-way-allow-internal \
  kubernetes-the-hard-way-allow-external \
  kubernetes-the-hard-way-allow-dns

Delete floating IPs:

openstack floating ip delete $(openstack floating ip list -f value -c ID)

Detach the router and subnet:

openstack router remove subnet kubernetes-the-hard-way-router kubernetes
openstack router unset --external-gateway kubernetes-the-hard-way-router

Delete unused ports just in case:

for PORT in $(openstack port list --router kubernetes-the-hard-way-router --format=value -c ID)
do
  openstack router remove port kubernetes-the-hard-way-router $PORT
done

Delete the router, subnet and network:

{
  openstack router delete kubernetes-the-hard-way-router

  openstack subnet delete kubernetes

  openstack network delete kubernetes-the-hard-way
}

Image

Optionally delete the image:

openstack image delete CentOS-7-x86_64-GenericCloud-1907

Project

Optionally delete the project:

openstack project delete kubernetes-the-hard-way