#### Necessary Kernel Modules

kubernetes_kmod_config_dir:
  file.directory:
    - name: /etc/modules-load.d
    - mode: "0755"
    - makedirs: True

kubernetes_kmod_config_file:
  file.managed:
    - name: /etc/modules-load.d/k8s.conf
    - contents: |
        br_netfilter
        overlay
        ip_tables
        iptable_filter
        iptable_nat
    - mode: '0644'
    - require:
      - file: kubernetes_kmod_config_dir

kubernetes_modprobe_br_netfilter:
  cmd.run:
    - name: modprobe br_netfilter
    - unless: "lsmod | grep -q br_netfilter"
    - require:
      - file: kubernetes_kmod_config_file

kubernetes_modprobe_overlay:
  cmd.run:
    - name: modprobe overlay
    - unless: "lsmod | grep -q overlay"
    - require:
      - file: kubernetes_kmod_config_file

kubernetes_modprobe_ip_tables:
  cmd.run:
    - name: modprobe ip_tables
    - unless: "lsmod | grep -q ip_tables"
    - require:
      - file: kubernetes_kmod_config_file

kubernetes_modprobe_iptable_filter:
  cmd.run:
    - name: modprobe iptable_filter
    - unless: "lsmod | grep -q iptable_filter"
    - require:
      - file: kubernetes_kmod_config_file

kubernetes_modprobe_iptable_nat:
  cmd.run:
    - name: modprobe iptable_nat
    - unless: "lsmod | grep -q iptable_nat"
    - require:
      - file: kubernetes_kmod_config_file