rhel_common.yaml

- name: Setup Kubernetes With Common Configurations
  hosts: all
  become: true
  vars:
    kubernetes_version: "v1.29"
    project_path: "prerelease:/main"
    packages:
    - iproute-tc
    - git
  tasks:
    - name: Disable swap
      shell: swapoff -a

    - name: Add swapoff to crontab for reboot
      cron:
        name: "Ensure swapoff -a runs at reboot"
        job: "/sbin/swapoff -a"
        special_time: "reboot"
        state: present

    - name: Install required packages
      dnf:
        name: "{{ packages }}"
        state: present
      when: True

    - name: Load kernel modules
      modprobe:
        name: "{{ item }}"
      loop:
        - overlay
        - br_netfilter

    - name: Configure kernel modules
      copy:
        content: "{{ item.content }}"
        dest: "{{ item.dest }}"
      loop:
        - { content: "overlay\nbr_netfilter", dest: "/etc/modules-load.d/k8s.conf" }
        - { content: "net.bridge.bridge-nf-call-iptables  = 1\nnet.ipv4.ip_forward = 1\nnet.bridge.bridge-nf-call-ip6tables = 1", dest: "/etc/sysctl.d/k8s.conf" }

    - name: Apply sysctl settings
      command: sysctl --system

    - name: Disable SELinux
      shell: setenforce 0 && sed -i 's/^SELINUX=enforcing$/SELINUX=permissive/' /etc/selinux/config

    - name: Add Kubernetes repository
      copy:
        content: "{{ item.content }}"
        dest: "/etc/yum.repos.d/{{ item.repo_name }}"
      loop:
        - { content: "[kubernetes]\nname=Kubernetes\nbaseurl=https://pkgs.k8s.io/core:/stable:/{{ kubernetes_version }}/rpm/\nenabled=1\ngpgcheck=1\ngpgkey=https://pkgs.k8s.io/core:/stable:/{{ kubernetes_version }}/rpm/repodata/repomd.xml.key", repo_name: "kubernetes.repo" }

    - copy:
        src: cri-o-1.29.9~dev-150500.2.1.x86_64.rpm
        dest: cri-o-1.29.9~dev-150500.2.1.x86_64.rpm
    - command: yum install cri-o-1.29.9~dev-150500.2.1.x86_64.rpm  -y
    - name: Install Kubernetes packages
      dnf:
        name: "{{ item }}"
        state: present
      loop:
        - kubelet
        - kubeadm
        - kubectl
        - cri-tools

    - name: Enable and start CRI-O
      service:
        name: crio
        state: started
        enabled: true

    - name: Enable and start kubelet
      service:
        name: kubelet
        state: started
        enabled: true