---
- name: Validate required network configuration
  ansible.builtin.fail:
    msg: |
      Missing required network configuration for {{ inventory_hostname }}:
      {% if dns_servers is not defined or dns_servers | length == 0 %}
      - dns_servers must be defined in inventory with at least one DNS server
      {% endif %}
      {% if worker_ip is not defined %}
      - worker_ip must be defined
      {% endif %}
      {% if worker_gateway is not defined %}
      - worker_gateway must be defined
      {% endif %}
      {% if worker_netmask is not defined %}
      - worker_netmask must be defined
      {% endif %}
      {% if network_interface is not defined %}
      - network_interface must be defined
      {% endif %}
  when: >
    dns_servers is not defined or dns_servers | length == 0 or
    worker_ip is not defined or
    worker_gateway is not defined or
    worker_netmask is not defined or
    network_interface is not defined

- name: Check if s390x boot files exist
  ansible.builtin.stat:
    path: "/srv/{{ ocp_name }}/boot/s390x/images/kernel.img"
  register: boot_files
  delegate_to: srv08d
  delegate_facts: true
  become: true

- name: Debug boot files check result
  ansible.builtin.debug:
    msg:
      - "Checking path: /srv/{{ ocp_name }}/boot/s390x/images/kernel.img"
      - "File exists: {{ boot_files.stat.exists }}"
      - "Cluster name: {{ ocp_name }}"

- name: List actual files in boot directory (as root)
  ansible.builtin.command:
    cmd: "find /srv -type f -name '*' | head -20"
  register: find_result
  delegate_to: srv08d
  become: true
  failed_when: false

- name: Show found files
  ansible.builtin.debug:
    msg: "Found files in /srv: {{ find_result.stdout_lines }}"

- name: Simple ls of /srv directory
  ansible.builtin.command:
    cmd: "ls -la /srv/"
  register: srv_ls
  delegate_to: srv08d
  become: true
  failed_when: false

- name: Show /srv directory
  ansible.builtin.debug:
    msg: "/srv directory: {{ srv_ls.stdout_lines }}"

- name: Check specific directory structure (as root)
  ansible.builtin.command:
    cmd: "ls -la /srv/{{ ocp_name }}/boot/s390x/images/"
  register: ls_result
  delegate_to: srv08d
  become: true
  failed_when: false

- name: Show directory listing
  ansible.builtin.debug:
    msg: "Directory contents: {{ ls_result.stdout_lines }}"

- name: Fail if boot files not found
  ansible.builtin.fail:
    msg: "s390x boot files not found. Run the prepare_boot_files tasks first."
  when: not boot_files.stat.exists

- name: Generate worker-specific .prm file with boot parameters
  ansible.builtin.template:
    src: generic.prm.j2
    dest: "/srv/{{ ocp_name }}/boot/s390x/images/{{ inventory_hostname }}.prm"
    mode: '0644'
    owner: "{{ jumphost_user | default('hmc_sftp') }}"
    group: "{{ jumphost_user | default('hmc_sftp') }}"
  delegate_to: srv08d
  become: true

- name: Get initrd file size for addrsize
  ansible.builtin.stat:
    path: "/srv/{{ ocp_name }}/boot/s390x/images/initrd.img"
  register: initrd_stat
  delegate_to: srv08d
  become: true

- name: Generate initrd.addrsize file
  ansible.builtin.copy:
    content: "{{ '%08x' | format(initrd_stat.stat.size) }}\n"
    dest: "/srv/{{ ocp_name }}/boot/s390x/images/initrd.addrsize"
    mode: '0644'
    owner: "{{ jumphost_user | default('hmc_sftp') }}"
    group: "{{ jumphost_user | default('hmc_sftp') }}"
  delegate_to: srv08d
  become: true

- name: Generate generic .ins file with worker-specific .prm reference
  ansible.builtin.template:
    src: generic.ins.j2
    dest: "/srv/{{ ocp_name }}/boot/s390x/generic.ins"
    mode: '0644'
    owner: "{{ jumphost_user | default('hmc_sftp') }}"
    group: "{{ jumphost_user | default('hmc_sftp') }}"
  delegate_to: srv08d
  become: true

- name: Display LPAR boot instructions
  ansible.builtin.debug:
    msg:
      - ""
      - "╔══════════════════════════════════════════════════════════════════════════════╗"
      - "║                          s390x Worker Node Ready                             ║"
      - "╠══════════════════════════════════════════════════════════════════════════════╣"
      - "║ Node Name: {{ inventory_hostname }}"
      - "║ Cluster:   {{ ocp_name }}"
      - "║ SFTP Host: 192.144.75.197"
      - "╠══════════════════════════════════════════════════════════════════════════════╣"
      - "║                            Boot File Locations                               ║"
      - "╠══════════════════════════════════════════════════════════════════════════════╣"
      - "║ SFTP Path: /srv/{{ ocp_name }}/boot/s390x/"
      - "║   • Kernel:  images/kernel.img"
      - "║   • Initrd:  images/initrd.img"
      - "║   • Boot:    generic.ins"
      - "║   • Params:  images/{{ inventory_hostname }}.prm"
      - "║   • AddrSize: images/initrd.addrsize"
      - "║"
      - "║ HTTP URLs (for boot parameters):"
      - "║   • Rootfs:    http://{{ boot_server_ip }}/rootfs.img"
      - "║   • Ignition: http://{{ boot_server_ip }}/worker.ign"
      - "╠══════════════════════════════════════════════════════════════════════════════╣"
      - "║                            HMC Boot Steps                                    ║"
      - "╠══════════════════════════════════════════════════════════════════════════════╣"
      - "║ 1. Access HMC console for {{ mainframe_cpc | default('CPCD') }}"
      - "║ 2. Navigate to LPAR {{ inventory_hostname }}"
      - "║ 3. Configure network boot via SFTP:"
      - "║    - SFTP Server: 192.144.75.197"
      - "║    - Username:   hmc_sftp"
      - "║    - Boot Path:  /boot/s390x/images/"
      - "║ 4. Boot with kernel parameters pointing to HTTP URLs above"
      - "║ 5. Monitor installation progress"
      - "║ 6. Node will auto-join OpenShift cluster as {{ inventory_hostname }}"
      - "╚══════════════════════════════════════════════════════════════════════════════╝"
      - ""

- name: Wait for node to join cluster (optional monitoring)
  kubernetes.core.k8s_info:
    api_version: v1
    kind: Node
    name: "{{ inventory_hostname }}"
    kubeconfig: "{{ ocp_cluster_auth }}/kubeconfig"
    validate_certs: false
  register: node_status
  until: node_status.resources | length > 0
  retries: 60
  delay: 30
  when: wait_for_node | default(false)
  failed_when: false