okd-pre-run.yml

---
- hosts: all
  vars:
  tasks:
    - name: Install required packages
      package:
        name: "{{ item }}"
        state: present
      with_items:
        - docker
        - NetworkManager
        - wget
        - net-tools
        - bind-utils
        - iptables-services
        - yum-utils
        - bridge-utils
        - kexec-tools
        - sos
        - psacct
        - epel-release

    - name: configure NetworkManager
      lineinfile:
        dest: "/etc/sysconfig/network-scripts/ifcfg-{{ ansible_default_ipv4['interface'] }}"
        regexp: '^{{ item }}='
        line: '{{ item }}=yes'
        state: present
        create: yes
      with_items:
      - 'USE_PEERDNS'
      - 'NM_CONTROLLED'

    - name: Restart NetworkManage and docker
      systemd:
        name: "{{ item }}"
        state: restarted
        enabled: True
      with_items:
        - NetworkManager
        - docker

    - name: Build hosts file
      lineinfile:
        dest: /etc/hosts
        regexp: '.*{{ item }}$'
        line: "{{ hostvars[item].ansible_default_ipv4.address }} {{item}} {{hostvars[item].inventory_hostname_short}}"
        state: present
      when:
      - "{{hostvars[item].ansible_default_ipv4.address is defined}}"
      with_items:
      - "{{ groups['all'] }}"