- name: Create instance
  hosts: "localhost"
  gather_facts: false
  user: root
  vars:
    node_hostname: ansible_inst1
  tasks:
   - name: launch a new instance
     nova_compute:
      state: present
      login_username: demo
      login_password: Password1
      login_tenant_name: demo
      name: {{node_hostname}}
      auth_url: http://controller:35357/v2.0
      image_id: 8c54095c-6f30-467c-b3f1-611085167d74
      key_name: demo-key
      wait_for: 200
      flavor_id: 2
      nics:
       - net-id: fb80b6ab-97e5-41ee-89a8-49d228a6039e
      meta:
        hostname: {{node_hostname}}
        group: ansible_group1