Produces a list with the operating systems being executed on each host

os.yml

- hosts: all
  become: false
  vars:
    output_file: os.csv
  tasks:
    - block:
        # For permisison setup.
        - name: get current user
          command: whoami
          register: whoami
          run_once: true

        - name: clean file
          copy:
            dest: "{{ output_file }}"
            content: 'hostname,distribution,version,release'
            owner: "{{ whoami.stdout }}"
          run_once: true

        - name: fill os information
          lineinfile:
            path: "{{ output_file }}"
            line: "{{ ansible_hostname }},\
              {{ ansible_distribution }},\
              {{ ansible_distribution_version }},\
              {{ ansible_distribution_release }}"
          # Tries to prevent concurrent writes.
          throttle: 1
      delegate_to: localhost