cluster-init.yaml

- name: Reinitialize if asked
  hosts: workers master
  tasks:
    - name: Kubeadm reset
      ansible.builtin.shell: |
        kubeadm reset -f
      when: reinit
- name: Master node cluster init
  hosts: master
  tasks:
    - name: Initialize K8S cluster
      changed_when: false
      ansible.builtin.shell: kubeadm init --pod-network-cidr={{docker_subnet}} --apiserver-advertise-address=192.168.200.210 --ignore-preflight-errors=all
    - name: Create .kube directory
      ansible.builtin.file:
        path: $HOME/.kube
        state: directory
        mode: '0755'
    - name: Copy k8s config
      ansible.builtin.copy:
        remote_src: true
        src: /etc/kubernetes/admin.conf
        dest: $HOME/.kube/config
        owner: root
        group: root
    - name: Install Pod network
      become: true
      ansible.builtin.shell: kubectl create -f https://raw.githubusercontent.com/projectcalico/calico/v3.28.0/manifests/tigera-operator.yaml >> pod_network_setup.txt
      args:
        chdir: $HOME
        creates: pod_network_setup.txt
    - name: Get join command
      ansible.builtin.shell: kubeadm token create --print-join-command
      register: join_command
    - name: Copy join command to local file
      local_action: copy content="{{ join_command.stdout_lines[0] }}" dest="./join-command"
    - name: Helm Install
      ansible.builtin.shell: |
        curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3
        bash get_helm.sh
    - name: Helm add repo
      ansible.builtin.shell: |
        helm repo add kubernetes-dashboard https://kubernetes.github.io/dashboard/
    - name: Helm Install dashboard
      ansible.builtin.shell: |
        helm upgrade --install kubernetes-dashboard kubernetes-dashboard/kubernetes-dashboard --create-namespace --namespace kubernetes-dashboard
    - name: Helm configure dashboard
      ansible.builtin.shell: |
        kubectl -n kubernetes-dashboard port-forward svc/kubernetes-dashboard-kong-proxy 8443:443
- name: Make workers join cluster
  hosts: workers
  tasks:
    - name: Copy the join command to server location
      copy: src=join-command dest=/tmp/join-command.sh mode=0777
    - name: Join the node to cluster
      command: sh /tmp/join-command.sh