- name: Gather and write system information to CSV on control node
  hosts: all
  gather_facts: no
  user: root
  become: yes
  tasks:
    - name: Gather system information
      setup:
        gather_subset:
          - 'all'
      register: system_info

    - name: Set extended system facts
      set_fact:
        system_summary:
          hostname: "{{ system_info.ansible_facts.ansible_hostname }}"
          ipv4_addresses: "{{ system_info.ansible_facts.ansible_all_ipv4_addresses | join(',') }}"
          ipv6_addresses: "{{ system_info.ansible_facts.ansible_all_ipv6_addresses | join(',') }}"
          cpu: "{{ system_info.ansible_facts.ansible_processor | join(',') }}"
          total_memory_mb: "{{ system_info.ansible_facts.ansible_memtotal_mb }}"
          os_distribution: "{{ system_info.ansible_facts.ansible_distribution }}"
          os_version: "{{ system_info.ansible_facts.ansible_distribution_version }}"
          os_family: "{{ system_info.ansible_facts.ansible_os_family }}"
          architecture: "{{ system_info.ansible_facts.ansible_architecture }}"
          kernel: "{{ system_info.ansible_facts.ansible_kernel }}"
          uptime_seconds: "{{ system_info.ansible_facts.ansible_uptime_seconds }}"
          default_ipv4: "{{ system_info.ansible_facts.ansible_default_ipv4.address }}"
          default_ipv6: "{{ system_info.ansible_facts.ansible_default_ipv6.address if system_info.ansible_facts.ansible_default_ipv6 is defined else '' }}"
          mounts: "{{ system_info.ansible_facts.ansible_mounts | map(attribute='mount') | join(',') }}"
          interfaces: "{{ system_info.ansible_facts.ansible_interfaces | join(',') }}"
          gateway_ipv4: "{{ system_info.ansible_facts.ansible_default_ipv4.gateway }}"
          gateway_ipv6: "{{ system_info.ansible_facts.ansible_default_ipv6.gateway if system_info.ansible_facts.ansible_default_ipv6 is defined else '' }}"

    - name: Ensure CSV file exists and write header on control node
      local_action:
        module: lineinfile
        path: ./system_info.csv
        line: '"hostname","ipv4_addresses","ipv6_addresses","cpu","total_memory_mb","os_distribution","os_version","os_family","architecture","kernel","uptime_seconds","default_ipv4","default_ipv6","mounts","interfaces","gateway_ipv4","gateway_ipv6"'
        create: yes
        state: present
      run_once: true  # Only run once to write the header

    - name: Append system information to CSV on control node
      local_action:
        module: lineinfile
        path: ./system_info.csv
        line: '"{{ system_summary.hostname }}","{{ system_summary.ipv4_addresses }}","{{ system_summary.ipv6_addresses }}","{{ system_summary.cpu }}","{{ system_summary.total_memory_mb }}","{{ system_summary.os_distribution }}","{{ system_summary.os_version }}","{{ system_summary.os_family }}","{{ system_summary.architecture }}","{{ system_summary.kernel }}","{{ system_summary.uptime_seconds }}","{{ system_summary.default_ipv4 }}","{{ system_summary.default_ipv6 }}","{{ system_summary.mounts }}","{{ system_summary.interfaces }}","{{ system_summary.gateway_ipv4 }}","{{ system_summary.gateway_ipv6 }}"'
        create: yes
        insertafter: EOF