---
- name: Setup Environment for Kubernetes
  strategy: free
  hosts: all
  vars:
    ansible_user: ansible
    ansible_ssh_private_key_file: "~/.ssh/ansible-private-key"
  become: true

  tasks:
    - name: Enable TCP ports
      ufw:
        proto: tcp
        rule: allow
        port: '{{ item }}'
      loop:
        - 80
        - 443
        - 2379
        - 2380
        - 6443
        - 9099
        - 10250
        - 10254
        - 30000:32767

    - name: Enable UDP ports
      ufw:
        proto: udp
        rule: allow
        port: '{{ item }}'
      loop:
        - 8472
        - 4789
        - 30000:32767

    - name: Download Docker Install Script 20.10
      get_url:
        url: https://releases.rancher.com/install-docker/20.10.sh
        dest: /root/install-docker.sh
        mode: 0700
        owner: root
        group: root

    - name: Install Docker 20.10
      shell:
        cmd: /root/install-docker.sh
        creates: /usr/bin/docker

    - name: Set sysctl setting
      sysctl:
        name: net.bridge.bridge-nf-call-iptables
        value: '1'
        state: present