generate_inventory.yml

#!/usr/bin/env -S ansible-playbook
---

- name: Generate network vars
  hosts: localhost
  become: false
  gather_facts: false
  vars:
    network_files: "{{ (repo_base_dir + '/files/inventory/*-net-*') | fileglob | sort }}"
    network_dest: "{{ repo_base_dir }}/inventory/group_vars/all/network.yml"
    hosts_dest: "{{ repo_base_dir }}/inventory/hosts"
  tasks:
    - name: Add block to network group vars
      delegate_to: localhost
      run_once: true
      ansible.builtin.blockinfile:
        content: "{{ lookup('andrei.utils.generate_network', network_files) }}"
        dest: "{{ network_dest }}"
        marker: "# {mark} AUTO GENERATED VARIABLES"
      tags: ["network"]

    - name: Add block to hosts file
      delegate_to: localhost
      run_once: true
      ansible.builtin.blockinfile:
        content: "{{ lookup('andrei.utils.generate_hosts') }}"
        dest: "{{ hosts_dest }}"
        marker: "# {mark} AUTO GENERATED VARIABLES"
        insertafter: '^\[\all]$'
      tags: ["hosts"]