---
- hosts: '{{ host }}'
  # Skip gather facts - host may not exist yet
  gather_facts: false
  tasks:
    - name: 'import lxc_guest role on lxc_host'
      import_role: name='lxc_guest'
      vars:
        vm_name: '{{ inventory_hostname }}'
        vm_size: '{{ vm_size }}'
      delegate_to: '{{ ansible_lxc_host }}'

    - name: 'enable ssh->lxc_attach connection'
      set_fact: ansible_connection='ssh_lxc'

    - name: 'gather facts - now the host must exist'
      setup:
      tags:
        - 'always'

    - name: 'configure ssh server'
      import_role: name='ssh_server'

    - name: 'enable ssh direct connection - ssh is configured on host'
      set_fact: ansible_connection='ssh'
...