deploy-base/roles/bootstrap/tasks/main.yml

---
- block:

    - name: Gather package facts
      ansible.builtin.package_facts:
        manager: auto

    - name: Check if atomic
      ansible.builtin.stat:
        path: /run/ostree-booted
      register: ostree

    - name: Check for cloud.cfg
      ansible.builtin.stat:
        path: /etc/cloud/cloud.cfg
      register: cloudcfg

    - name: Set fact (atomic state)
      ansible.builtin.set_fact:
        is_atomic: "{{ ostree.stat.exists }}"

    - name: Set fact (cloud.cfg state)
      ansible.builtin.set_fact:
        is_cloudy: "{{ cloudcfg.stat.exists }}"

    - name: Include dnf tasks
      include_tasks: dnf.yml
      when: (ansible_distribution in ["Fedora"] and not is_atomic) or (ansible_distribution in ["RedHat", "Red Hat Enterprise Linux", "CentOS"] and ansible_distribution_major_version is version('8', '>='))

    - name: Remove unwanted packages
      become: true
      ansible.builtin.package:
        name: "{{ item }}"
        state: absent
      when: "(item in ansible_facts.packages)"
      with_items: "{{ UNWANTED_PKGS }}" # see roles/bootstrap/defaults/main.yml

    - name: Install prereqs
      become: true
      ansible.builtin.package:
        name: "{{ DEFAULT_PKGS | difference(ansible_facts.packages) }}"
        state: installed
      when: (ansible_distribution in ["CentOS", "Red Hat Enterprise Linux", "RedHat", "Fedora"] and not is_atomic)

    - name: Disable fastestmirror (fedora - non-atomic)
      become: true
      ansible.builtin.lineinfile:
        path: /etc/dnf/dnf.conf
        regexp: "^fastestmirror="
        line: "fastestmirror=False"
      when: ansible_distribution in ["Fedora"] and not is_atomic

    - name: Remove update_etc_hosts from cloud.cfg
      become: true
      ansible.builtin.lineinfile:
        line: ' - update_etc_hosts'
        path: /etc/cloud/cloud.cfg
        state: absent
      when: is_cloudy|bool

    - name: Add all hosts to /etc/hosts
      become: true
      ansible.builtin.lineinfile:
        path: /etc/hosts
        state: present
        line: "{{ hostvars[item].ip | default('127.0.0.1') }} {{ hostvars[item].ansible_hostname }}"
        regexp: "^{{ hostvars[item].ip | default('127.0.0.1') }}.*{{ hostvars[item].ansible_hostname }}$"
      with_items: "{{ groups.all }}"

    - name: Set hostname to match inventory
      ansible.builtin.hostname:
        name: "{{ inventory_hostname }}"
      register: hostname_change

    - name: Remove requiretty
      become: true
      ansible.builtin.lineinfile:
        regexp: '^\w+\s+requiretty'
        path: /etc/sudoers
        state: absent

    - name: Import EPEL GPG key
      become: true
      ansible.builtin.rpm_key:
        state: present
        key: https://getfedora.org/static/fedora.gpg
      when: ansible_distribution in ['Red Hat Enterprise Linux', 'RedHat'] and not is_atomic

    - name: Install EPEL (dist pkg)
      become: true
      ansible.builtin.package:
        name: epel-release
        state: present
      when: ansible_distribution in ['CentOS'] and not is_atomic

    - name: Install EPEL (upstream pkg)
      become: true
      ansible.builtin.package:
        name: "https://dl.fedoraproject.org/pub/epel/epel-release-latest-{{ ansible_distribution_major_version }}.noarch.rpm"
        state: present
      when: ansible_distribution in ['Red Hat Enterprise Linux', 'RedHat'] and not is_atomic

    - name: Disable NetworkManager phoning home on Fedora
      become: true
      ansible.builtin.file:
        path: /etc/NetworkManager/conf.d/20-connectivity-fedora.conf
        access_time: preserve # make this properly idempotent, register no change when file exists
        modification_time: preserve # ^
        state: touch
        mode: '0644'
      when: (ansible_distribution in ['Fedora'] and not is_atomic) and ('NetworkManager' in ansible_facts.packages)

    - name: Ensure systemd-oomd service and socket are disabled and stopped
      become: true
      ansible.builtin.systemd:
        name: "{{ item }}"
        state: stopped
        enabled: false
      with_items:
        - systemd-oomd.service
        - systemd-oomd.socket
      when: (ansible_distribution in ['Fedora'] and not is_atomic)

    - name: Ensure systemd-oomd service and socket are masked
      become: true
      ansible.builtin.systemd:
        name: "{{ item }}"
        masked: true
      with_items:
        - systemd-oomd.service
        - systemd-oomd.socket
      when: (ansible_distribution in ['Fedora'] and not is_atomic)

    - name: Ensure systemd-oomd-defaults package is removed
      become: true
      ansible.builtin.package:
        name: systemd-oomd-defaults
        state: absent

  tags:
    - bootstrap