---
- name: make sure the kubernetes_cri_socket variable is configured correctly
  assert:
    msg: "The variable kubernetes_cri_socket is not configured correctly. You might need to move your host to the group kubernetes-cluster or standalone-kubelet!"
    that:
    - not kubernetes_cri_socket

- name: create systemd snippet directory
  file:
    path: /etc/systemd/system/kubelet.service.d/
    state: directory

- name: install systemd snippet to make sure kubelet starts after docker
  copy:
    content: |
      [Unit]
      After=docker.service
    dest: /etc/systemd/system/kubelet.service.d/after-docker.conf

- name: disable bridge and iptables in docker daemon config and switch to systemd cgroup driver
  set_fact:
    docker_daemon_config_override:
      exec-opts:
      - "native.cgroupdriver=systemd"
      bridge: "none"
      iptables: false

- name: override mandatory settings in docker_daemon_config
  set_fact:
    docker_daemon_config: "{{ docker_daemon_config | default({}) | combine(docker_daemon_config_override, recursive=True, list_merge='append') }}"

- name: install docker
  include_role:
    name: docker/engine