---
- name: Configure to load network-related kernel modules
  copy:
    dest: /etc/modules-load.d/local-network.conf
    content: '{{ network_modules | join("\n") }}'

- name: Load network-related kernel modules
  modprobe:
    name: "{{ item }}"
  with_items: "{{ network_modules }}"
    
- name: Set network-related sysctl options
  sysctl:
    sysctl_file: /etc/sysctl.d/local-network.conf
    sysctl_set: yes
    name: "{{ item.key }}"
    value: "{{ item.value }}"

  with_dict:
    # CoDel (controlled delay) with Fair Queuing as the default queue scheduler
    #  mitigates bufferbloat and helps share bandwidth equitably across flows.
    net.core.default_qdisc: fq_codel

    # BBR is currently the best TCP congestion control algorithm.
    # C.f. https://queue.acm.org/detail.cfm?id=3022184
    net.ipv4.tcp_congestion_control: bbr

  loop_control:
    label: "{{ item.key }}"