destroy_cluster.yml

- hosts: localhost
  gather_facts: false
  vars_files: 
    - ./vars/main.yml

  tasks:
    - name: Find all cluster instances
      openstack.cloud.server_info:
        server: "{{ cluster_name }}*"
      register: cluster_instances

    - name: Delete all cluster instances
      openstack.cloud.server:
        name: "{{ item.name }}"
        state: absent
        delete_fip: true
      loop: "{{ cluster_instances.openstack_servers }}"

    - name: Delete cluster subnet router
      openstack.cloud.router: 
        name: "{{ cluster_network_router }}"
        state: absent

    - name: Delete cluster subnet
      openstack.cloud.subnet:
        name: "{{ cluster_network_name }}"
        state: absent

    - name: Delete cluster network
      openstack.cloud.network:
        name: "{{ cluster_network_name }}"
        state: absent

    - name: Delete cluster head node boot volume
      openstack.cloud.volume:
        name: "{{ head_node_volume }}"
        state: absent

    - name: Delete all cluster volumes
      openstack.cloud.volume:
        name: "{{ item.name }}"
        state: absent
      loop: "{{ cluster_instances.openstack_servers }}"

    - name: Delete compute node image volume
      openstack.cloud.volume:
         name: "{{ compute_node_image }}"
         state: absent

    - name: Delete cluster security group 
      openstack.cloud.security_group:
        name: "{{ cluster_security_group }}"
        state: absent 

    - name: Delete cluster ssh keypair
      os_keypair:
        name: "{{ keypair_name }}"
        state: absent
  
    - name: Delete compute node image
      openstack.cloud.image:
        name: "{{ compute_node_image}}"
        state: absent

    - debug:
        msg: "Cleaned up {{ cluster_name }} cloud resources."