---
- name: Collect hostnames from all hosts
  hosts: all
  gather_facts: true
  roles:
    - plesk
  tasks:
    - name: Add hostname to local fact if condition is met
      ansible.builtin.set_fact:
        collected_hostnames: "{{ hostvars['localhost'].collected_hostnames | default([]) + [inventory_hostname] }}"
      when: plesk_found | default(false)
      delegate_to: localhost
      run_once: true

- name: Debug collected hostnames
  hosts: localhost
  gather_facts: false
  tasks:
    - name: Display collected hostnames
      debug:
        msg: "{{ collected_hostnames }}"