Ansible-roles/kubernetes/tasks/prerequisites.yml

#- name: Load br_netfilter kernel-module
#  modprobe:
#      name: br_netfilter
#      state: present

- name: Set sysctl settings for iptables bridged traffic
  copy:
    dest: "/etc/sysctl.d/kubernetes.conf"
    content: |
        net.bridge.bridge-nf-call-ip6tables = 1
        net.bridge.bridge-nf-call-iptables = 1

        net.ipv4.conf.all.forwarding=1
        net.ipv6.conf.all.forwarding=1
  notify: reload_sysctl

#- name: Disable swap
#  command: swapoff -a

- name: Install iptables
  package:
      name:
          #- containerd
          - iptables
      state: latest

- name: Check if containerd-service exists & is started
  service:
    name: containerd
    state: started
  ignore_errors: true
  register: containerd_status
  
- name: Install containerd when not exists
  package:
    name:
      - containerd
  when: containerd_status is failed

- name: Create containerd config-folder
  file:
    path: /etc/containerd
    state: directory

- name: Deploy containerd-config
  ansible.builtin.copy:
    src: containerd_config.toml
    dest: /etc/containerd/config.toml
    mode: u=rw,g=r,o=r
  notify: restart_containerd

# todo: Move to netmaker-role as handler?
- name: Gather facts to get changes
  ansible.builtin.gather_facts:

- name: Getting nodeIp-data from interface
  set_fact:
    nodeip_ipv4: "{{ ansible_facts[ kubernetes.ipPool.nodeIp_interface ].ipv4.address }}"
    nodeip_ipv6: "{{ ansible_facts[ kubernetes.ipPool.nodeIp_interface ].ipv6[0].address }}"

- name: Set control-plane-dns-endpoint towards local-ip
  blockinfile:
      path: /etc/hosts
      marker: "# {mark} ANSIBLE MANAGED BLOCK | k8s"
      block: |
        {{ nodeip_ipv4 }} {{ kubernetes.control_plane.dns_name }}

- name: Run handlers to reload configurations
  meta: flush_handlers