---
- hosts: control-plane
  name: "Initialize Kubernetes"
 
  tasks:
    - name: kubeadm config
      become: yes
      command: kubeadm config images pull
      register: kubeadmconfig
    - debug: var=kubeadmconfig.stdout_lines

    - name: crictl image
      become: yes
      command: crictl image
      register: crictl
    - debug: var=crictl.stdout_lines

    - name: kubadm init
      become: yes
      command: kubeadm init --pod-network-cidr={{ pods_subnet }} --service-cidr={{ services_subnet }} --apiserver-advertise-address={{ ansible_default_ipv4.address }} --cri-socket=unix:///var/run/crio/crio.sock
      register: kubeadminit
    - debug: var=kubeadminit.stdout_lines

    - name: Set Up Kubernetes credential
      block:
        - name: create ~/.kube folder
          file:
            path: $HOME/.kube 
            state: directory
            mode: '0755'

        - name: get current user
          command: whoami
          register: c_user

        - name: get current group
          command: id -g
          register: c_group

        - name: Copy admin.conf to .kube
          become: yes
          copy:
            src: /etc/kubernetes/admin.conf
            dest: /home/{{ c_user.stdout }}/.kube/config
            remote_src: yes
            owner: "{{ c_user.stdout }}"
            group: "{{ c_group.stdout }}"
            mode: '0600'

    - name: kubectl cluster-info
      command: kubectl cluster-info
      register: kubectl
    - debug: var=kubectl.stdout_lines

    - name: get calico conf
      template:
        src: calico.yaml.j2
        dest: $HOME/calico.yaml

    - name: apply calico conf1 
      shell: kubectl create -f https://raw.githubusercontent.com/projectcalico/calico/v3.25.1/manifests/tigera-operator.yaml
      register: apply1
    - debug: var=apply1.stdout_lines

    - name: apply calico conf2
      shell: kubectl create -f https://raw.githubusercontent.com/projectcalico/calico/v3.25.1/manifests/custom-resources.yaml
      register: apply2
    - debug: var=apply2.stdout_lines

    - name: apply calico conf3
      shell: kubectl apply -f calico.yaml
      register: apply3
    - debug: var=apply3.stdout_lines

    - name: show pods
      command: kubectl get pods --all-namespaces
      register: pods
    - debug: var=pods.stdout_lines

    - name: "Cluster token"
      shell: kubeadm token list | cut -d ' ' -f1 | sed -n '2p'
      register: K8S_TOKEN

    - name: "CA Hash"
      shell: openssl x509 -pubkey -in /etc/kubernetes/pki/ca.crt | openssl rsa -pubin -outform der 2>/dev/null | openssl dgst -sha256 -hex | sed 's/^.* //'
      register: K8S_MASTER_CA_HASH

    - name: "IP and port"
      shell: kubectl cluster-info | sed "s,\x1B\[[0-9;]*[a-zA-Z],,g" | cut -d ' ' -f 7 | sed -n '1p' | cut -c 9-
      register: K8S_IP_PORT

    - name: "Add K8S Token and Hash to dummy host"
      add_host:
        name:   "K8S_TOKEN_HOLDER"
        token:  "{{ K8S_TOKEN.stdout }}"
        hash:   "{{ K8S_MASTER_CA_HASH.stdout }}"
        ipport: "{{ K8S_IP_PORT.stdout }}"

    - name:
      debug:
        msg: "[Master] K8S_TOKEN_HOLDER K8S token is {{ hostvars['K8S_TOKEN_HOLDER']['token'] }}"

    - name:
      debug:
        msg: "[Master] K8S_TOKEN_HOLDER K8S Hash is  {{ hostvars['K8S_TOKEN_HOLDER']['hash'] }}"
    
    - name:
      debug:
        msg: "[Master] K8S_TOKEN_HOLDER K8S IP and port is  {{ hostvars['K8S_TOKEN_HOLDER']['ipport'] }}"