instkuber-node.yml

---
  - hosts: all
    become: true
    tasks:
    - 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 an apt signing key for Kubernetes
      apt_key:
        url: https://packages.cloud.google.com/apt/doc/apt-key.gpg
        state: present

    - name: Adding apt repository for Kubernetes
      apt_repository:
        repo: deb https://apt.kubernetes.io/ kubernetes-xenial main
        state: present
        filename: kubernetes.list

    - name: Install Kubernetes binaries
      apt:
        name: "{{ packages }}"
        state: present
        update_cache: yes
      vars:
        packages:
          - kubelet=1.18.3-00
          - kubeadm=1.18.3-00
          - kubectl=1.18.3-00

    - name: Restart kubelet
      systemd:
          daemon_reload: yes
          name: kubelet
          state: restarted
          
    - name: Copy the join command to node
      copy: src=join-command dest=/tmp/join-command.sh mode=0755

    - name: Join the node to cluster
      command: sh /tmp/join-command.sh