13_ignite_control_plane.yml

---
- name: Install cluster with kubeadm
  vars_files:
    - vars/k8s_cluster.yml
  hosts: masters
  run_once: true
  tasks:
    - name: Start kubeadm install
      shell: kubeadm init --config /tmp/kubeadm-config.yaml --upload-certs
      become: true
    
    - name: Get information on generated certificate
      openssl_certificate_info:
        path: /etc/kubernetes/pki/ca.crt
      register: cert

    - name: Set fact for certificate hash
      set_fact:
        kubehash: "sha256:{{ cert.public_key_fingerprints.sha256 | replace(':', '') }}"

    - name: Create kube directory
      file:
        path: /home/kube/.kube
        state: directory
 
    - name: Copy kubeconfig
      copy:
        src: /etc/kubernetes/admin.conf
        dest: /home/kube/.kube/config
        remote_src: true
        owner: kube
        group: kube
      become: true

    - name: Wait for all control-plane pods become created
      shell: "kubectl get po --namespace=kube-system --selector tier=control-plane --output=jsonpath='{.items[*].metadata.name}'"
      register: control_plane_pods_created
      until: item in control_plane_pods_created.stdout
      retries: 10
      delay: 30
      with_items:
        - etcd
        - kube-apiserver
        - kube-controller-manager
        - kube-scheduler

    - name: Wait for control-plane pods become ready
      shell: "kubectl wait --namespace=kube-system --for=condition=Ready pods --selector tier=control-plane --timeout=600s"
      register: control_plane_pods_ready

    - set_fact:
        k8s_installed: true