---
- hosts: all
  become: yes
  tasks:
   - name: Disable auto upgrades
     copy:
       src: /usr/share/unattended-upgrades/20auto-upgrades-disabled
       dest: /etc/apt/apt.conf.d/20auto-upgrades
       remote_src: yes
   - name: Create kube superuser user with pass kubernetes
     user:
       name: kube
       password: $6$5dqHns.IJ$FpCGaCbY9ySKo0mh.ydPo57A2kgUdjv3U8IUZXnfw8DNGQw4g0hO27XpMSIhwHvcO8QdEVucnlY9tYyTEg3CN/
       shell: /bin/bash
       groups: sudo
   - name: Allow kube to use sudo without a password
     copy:
       content: "kube ALL=(ALL) NOPASSWD:ALL"
       dest: /etc/sudoers.d/kube
   - name: upload ssh key
     authorized_key:
       user: kube
       state: present
       manage_dir: yes
       key: "{{ lookup('pipe', 'cat ~/.ssh/authorized_keys') }}"
   - name: Updating System to latest Packages
     apt:  update_cache=yes upgrade=dist force_apt_get=yes
   - name: Clean unwanted olderstuff
     apt:
          autoremove: yes
          purge: yes
   - name: Remove swapfile from /etc/fstab
     mount:
       name: "{{ item }}"
       fstype: swap
       state: absent
     with_items:
       - swap
       - none
   - name: Disable swap
     command: swapoff -a
     when: ansible_swaptotal_mb > 0

   - name: Add IPs to /etc/hosts on master and workers
     lineinfile:
       dest: /etc/hosts
       regexp: '.*{{ item }}$'
       line: "{{ hostvars[item].ansible_host }} {{item}}"
       state: present
     when: hostvars[item].ansible_host is defined
     with_items: "{{ groups.all }}"
   - name: Install containerd
     apt:
       name: containerd
       state: present
       update_cache: true
   - name: Create containerd config file
     file:
       path: "/etc/modules-load.d/containerd.conf"
       state: "touch"

   - name: Add conf for containerd
     blockinfile:
       path: "/etc/modules-load.d/containerd.conf"
       block: |
             overlay
             br_netfilter

   - name: modprobe
     shell: |
             sudo modprobe overlay
             sudo modprobe br_netfilter

   - name: Set system configurations for Kubernetes networking
     file:
       path: "/etc/sysctl.d/99-kubernetes-cri.conf"
       state: "touch"

   - name: Add IP Forward and IPtables for containerd
     blockinfile:
       path: "/etc/sysctl.d/99-kubernetes-cri.conf"
       block: |
              net.bridge.bridge-nf-call-iptables = 1
              net.ipv4.ip_forward = 1
              net.bridge.bridge-nf-call-ip6tables = 1

   - name: Apply new sysctl settings
     command: sudo sysctl --system
   - name: install APT Transport HTTPS
     apt:
       name: apt-transport-https
       state: present
   - name: Add Kubernetes apt-key
     apt_key:
       url: https://packages.cloud.google.com/apt/doc/apt-key.gpg
       state: present
   - name: Add Kubernetes APT repository
     apt_repository:
      repo: deb http://apt.kubernetes.io/ kubernetes-xenial main
      state: present
      filename: 'kubernetes'
   - name: Installing Kubernetes Cluster Packages.
     apt:
       name:
         - kubeadm
         - kubectl
         - kubelet
       state: present
   - name: Enable service kubelet, and enable persistently
     service:
       name: kubelet
       enabled: yes
   - name: Disable multipathd
     service:
       name: multipathd
       enabled: no
   - name: Disable unattended-upgrades
     service:
       name: unattended-upgrades
       enabled: no
   - name: Disable cron
     service:
       name: cron
       enabled: no

   - name: Reboot all the kubernetes nodes.
     reboot:
       post_reboot_delay: 10
       reboot_timeout: 40
       connect_timeout: 60
       test_command: uptime