k3s-ansible/roles/prereq/tasks/main.yml

---
- name: Set SELinux to disabled state
  selinux:
    state: disabled
  when: ansible_distribution == 'CentOS' or ansible_distribution == 'Red Hat Enterprise Linux'

- name: Enable IPv4 forwarding
  sysctl:
    name: net.ipv4.ip_forward
    value: "1"
    state: present
    reload: yes

- name: Enable IPv6 forwarding
  sysctl:
    name: net.ipv6.conf.all.forwarding
    value: "1"
    state: present
    reload: yes

- name: Set bridge-nf-call-iptables (just to be sure)
  sysctl:
    name: net.bridge.bridge-nf-call-iptables
    value: "1"
    state: present
    reload: yes
  when: ansible_distribution == 'CentOS' or ansible_distribution == 'Red Hat Enterprise Linux'

- name: Set bridge-nf-call-ip6tables (just to be sure)
  sysctl:
    name: net.bridge.bridge-nf-call-iptables
    value: "1"
    state: present
    reload: yes
  when: ansible_distribution == 'CentOS' or ansible_distribution == 'Red Hat Enterprise Linux'