Ansible playbook prototype to modify rpm-ostree kargs

rpm-ostree-kargs.yml

- name: search test
  hosts: localhost
  connection: local
  gather_facts: no
  vars:
    kargs: "resume=/dev/mapper/fedora-swap rd.lvm.lv=fedora/root rd.luks.uuid=luks-6937d598-6a2f-4019-bb29-924f5c34467a rd.lvm.lv=fedora/swap rhgb quiet console=tty1 console=ttyS0,115200n8 ip=dhcp"
    karg_ip: "ip=dhcp" 
    additional_kargs: []
  tasks:
    - name: compile kargs to add
      ansible.builtin.set_fact:
        additional_kargs: "{{ additional_kargs + [item] }} "
      when: kargs is not search(item)
      loop:
        - "console=tty1"
        - "console=ttyS0,115200n8"
        - "console=ttyS1,115200n8"

    - name: add ip arg if none exists already
      ansible.builtin.set_fact:
        additional_kargs: "{{ additional_kargs + [{{ karg_ip }}] }}"
      when: kargs is not search(" ip=")
      register: ip_exist

    - name: update ip arg if a general version exists already and there's not an exact match
      ansible.builtin.debug:
        msg: "sudo rpm-ostree kargs --replace=ip={{ karg_ip }}"
      when: 
        - ip_exist is not changed
        - kargs is not search(karg_ip)

    - name: update args
      ansible.builtin.debug:
        msg: "{{ additional_kargs | join(' ') }}"