---
- hosts: localhost
  tasks:
    - fail:
        msg: "please define a vm name with --extra-vars vm=vm_name"
      when: vm is undefined
      failed_when: True

- hosts: vm_hosts
  tasks:
    - name: check for lxc container existance
      container_exists:
        name: "{{ vm }}"
      register: container_exists
      failed_when: false

    - debug:
        msg: "{{ ansible_hostname }} cointains a vm named {{ vm }}"
      when: '"exists" in container_exists and container_exists.exists'

- hosts: '{{ lxc_host }}'
  vars_prompt:
    - name: lxc_host
      prompt: 'what lxc host?'
      private: no

    - name: confirm1
      prompt: 'are you sure you want to delete the container (NO/yes)?'
      private: no

    - name: confirm2
      prompt: 'if you really are sure, enter the container name again'
      private: no
  tasks:
    - name: check for lxc container existance
      container_exists:
        name: "{{ vm }}"
      register: container_exists
      when: container_exists

    - fail:
        msg: "Task aborted by the user."
      when: "confirm1 != 'yes' or confirm2 != '{{ vm }}'"

    - block:
        - name: shutdown lxc container
          lxc_container:
              name: "{{ vm }}"
              state: stopped

        - name: clean LVM volume
          command: "dd if=/dev/zero of=/dev/{{ inventory_hostname }}vg/vm_{{ vm }} bs=1M count=128"

        - name: delete lxc container
          lxc_container:
              name: "{{ vm }}"
              state: absent
      when: "confirm1 == 'yes' and confirm2 == '{{ vm }}'"