site.yml

---

- name: Common tasks
  hosts: all
  become: yes
  gather_facts: false

  pre_tasks:
    - name: Wait for hosts
      local_action:
        module: wait_for
        host: "{{ ansible_host }}"
        state: started
        port: 22
        timeout: 60
      become: no

    - name: Back up sources.list
      command: cp /etc/apt/sources.list /etc/apt/sources.list.save
      register: copy_sources
      args:
        creates: /etc/apt/sources.list.save

    - debug:
        var: copy_sources

    - name: Update Ubuntu mirror
      replace:
        dest: /etc/apt/sources.list
        regexp: '^(.*)us.archive.ubuntu.com(.*)$'
        replace: '\1ubuntu.osuosl.org\2'
      when: copy_sources.changed

    - name: Remove machine-id
      file:
        path: "{{ item }}"
        state: absent
      with_items:
        - /etc/machine-id
        - /var/lib/dbus/machine-id

    - name: Re-create machine-id
      command: systemd-machine-id-setup
      register: machine_id

    - debug:
        var: machine_id

    - name: Set reboot-required
      copy:
        dest: /var/run/reboot-required
        content: ''
      when: machine_id.changed

    - name: Check if reboot necessary
      stat:
        path: /var/run/reboot-required
      register: reboot_required

    - debug:
        var: reboot_required

    - name: Reboot server
      shell: sleep 5 && /sbin/shutdown -r now "Ansible triggered reboot"
      async: 1
      poll: 0
      ignore_errors: yes
      register: rebooted
      when: reboot_required.stat.exists

    - debug:
        var: rebooted

    - name: Wait for server
      local_action:
        module: wait_for
        args:
          host: "{{ inventory_hostname }}"
          state: started
          port: 22
          delay: 20
          timeout: 300
      become: no
      when: rebooted is defined and rebooted.skipped is not defined

  roles: