# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

---
- name: Set cluster device
  set_fact:
    default_dev: "{{ hostvars[inventory_hostname]['ansible_default_ipv4']['interface'] }}"

- name: Stats
  shell: |
    echo {{ default_dev }} > /tmp/inventory_default_dev.txt

    echo -n > /tmp/inventory_k8s_control_plane.txt
    {% for host in (groups['k8s_control_plane'] | default([])) %}
      echo {{ hostvars[host].ansible_hostname }} >> /tmp/inventory_k8s_control_plane.txt
    {% endfor %}

    echo -n > /tmp/inventory_k8s_nodes.txt
    {% for host in (groups['k8s_nodes'] | default([])) %}
      echo {{ hostvars[host].ansible_hostname }} >> /tmp/inventory_k8s_nodes.txt
    {% endfor %}
...