docker-cri-kube-el7.yaml

---
- name: Install docker on all hosts
  hosts: kube_master
  become: yes

  tasks:
    - name: Install yum utils
      yum:
        name: yum-utils
        state: present

    - name: Install device-mapper-persistent-data
      yum:
        name: device-mapper-persistent-data
        state: present

    - name: Install lvm2
      yum:
        name: lvm2
        state: present

    - name: Install TC Package
      yum:
        name: iproute
        state: present

    - name: Add Docker repo
      get_url:
        url: https://download.docker.com/linux/centos/docker-ce.repo
        dest: /etc/yum.repos.d/docker-ce.repo

    - name: Install cri-dockerd
      yum:
        name: https://github.com/Mirantis/cri-dockerd/releases/download/v0.2.1/cri-dockerd-0.2.1.20220525024524.cb92d7b-0.el7.x86_64.rpm
        state: present

    - name: Install Docker
      package:
        name: docker-ce
        state: present

    - name: Copy docker custom daeom file to servers
      copy:
        src: ./daemon.json
        dest: /etc/docker/

    - name: Start Docker service
      service:
        name: docker
        state: restarted
        enabled: yes

    - name: Start cri-dockerd service
      service:
        name: cri-docker.service
        state: restarted
        enabled: yes

    - name: Start cri-dockerd socket
      service:
        name: cri-docker.socket
        state: restarted
        enabled: yes

    - name: Copy kubernetes repo file to servers
      copy:
        src: ./kubernetes.repo
        dest: /etc/yum.repos.d/

    - name: Copy k8s.conf file to servers
      copy:
        src: ./k8s.conf
        dest: /etc/sysctl.d/

    - name: Installing kubeadm, kubelet and kubectl
      package:
        name: 
          - kubelet-1.23.7
          - kubeadm-1.23.7
          - kubectl-1.23.7
        state: present
        disable_excludes: kubernetes

    - name: Restart & enable kubelet service
      service:
        name: kubelet
        state: restarted
        enabled: yes