okd/playbooks/openstack/openshift-cluster/terminate.yml

- name: Terminate instance(s)
  hosts: localhost
  connection: local
  gather_facts: no
  vars_files:
  - vars.yml
  tasks:
  - set_fact: cluster_group=tag_env_{{ cluster_id }}
  - add_host:
      name: "{{ item }}"
      groups: oo_hosts_to_terminate
      ansible_ssh_user: "{{ deployment_vars[deployment_type].ssh_user }}"
      ansible_sudo: "{{ deployment_vars[deployment_type].sudo }}"
    with_items: groups[cluster_group] | default([])

- hosts: oo_hosts_to_terminate

- hosts: localhost
  connection: local
  gather_facts: no
  vars_files:
  - vars.yml
  tasks:
  - name: Retrieve the floating IPs
    shell: "neutron floatingip-list | awk '/{{ hostvars[item].ansible_default_ipv4.address }}/ {print $2}'"
    with_items: groups['oo_hosts_to_terminate'] | default([])
    register: floating_ips_to_delete

  - name: Terminate instance(s)
    nova_compute:
      name: "{{ hostvars[item].os_name }}"
      state: absent
    with_items: groups['oo_hosts_to_terminate'] | default([])

  - name: Delete floating IPs
    command: "neutron floatingip-delete {{ item.stdout }}"
    with_items: floating_ips_to_delete.results | default([])

  - name: Destroy the network
    command: "heat stack-delete {{ openstack_network_prefix }}-stack"
    register: stack_delete_result
    changed_when: stack_delete_result.rc == 0
    failed_when: stack_delete_result.rc != 0 and 'could not be found' not in stack_delete_result.stdout