---
- name: Generate custom ISO file for deploying OKD to baremetal
  hosts: all
  connection: local
  gather_facts: no

  vars:
    #okdVersion: "4.15.0-0.okd-2024-03-10-010116"
    okdVersion: "4.16.0-okd-scos.1"

    tempDir: "/tmp/ocp-baremetal-iso-staging"
    machineNetwork: "10.1.14.0/24"
    baseDomain: "endofday.com"
    clusterName: "snoballs"
    sshKey: "ssh-rsa "
    bootDisk: "/dev/sda"

    #binariesBaseUrl: "https://github.com/okd-project/okd/releases/download"
    binariesBaseUrl: "https://github.com/okd-project/okd-scos/releases/download"
    #binariesBaseUrl: "https://cdn.endofday.com/okd-project/okd-scos/releases/download"

    #scosBaseUrl: "https://cdn.endofday.com/okd-project"
    scosBaseUrl: ""
    useCustomButaneTemplates: false

  tasks:
    - name: Ensure staging directory exists
      ansible.builtin.file:
        path: "{{ tempDir }}/{{ clusterName }}"
        state: directory

    - name: Check if binaries exist
      ansible.builtin.stat:
        path: "{{ tempDir }}/{{ item }}"
      register: binaries
      with_items:
        - "openshift-install"
        - "oc"

    - name: Download and extract binaries
      when: >
        (binaries.results | map(attribute='stat.exists') | select('equalto', false) | list | length) > 0
      block:
        - name: Download OKD Binaries
          ansible.builtin.get_url:
            url: "{{ binariesBaseUrl }}/{{ okdVersion }}/{{ item }}-{{ okdVersion }}.tar.gz"
            dest: "{{ tempDir }}/{{ item }}-{{ okdVersion }}.tar.gz"
          with_items:
            - "openshift-client-linux"
            - "openshift-install-linux"

        - name: Extract openshift binaries
          ansible.builtin.unarchive:
            src: "{{ tempDir }}/{{ item }}-{{okdVersion}}.tar.gz"
            dest: "{{ tempDir }}"
          with_items:
            - "openshift-client-linux"
            - "openshift-install-linux"

        - name: Ensure the extracted binaries are executable
          ansible.builtin.file:
            path: "{{ tempDir }}/{{ item }}"
            state: file
            mode: '0755'
          with_items:
            - kubectl
            - oc
            - openshift-install

        - name: Remove binary tarballs
          ansible.builtin.file:
            path: "{{ tempDir }}/{{ item }}-{{okdVersion}}.tar.gz"
            state: absent
          with_items:
            - "openshift-client-linux"
            - "openshift-install-linux"

    - name: Create install-config.yaml file
      ansible.builtin.template:
        src: "templates/install-config.yaml.j2"
        dest: "{{ tempDir }}/{{ clusterName }}/install-config.yaml"
        mode: "0644"

    - name: Generate the install manifests (if butane is required)
      when: useCustomButaneTemplates == true
      block:
        - name: Generate stock manifests
          ansible.builtin.shell: |
            set -o pipefail
            {{ tempDir }}/openshift-install create manifests --dir={{ tempDir }}/{{ clusterName }}
          register: generate_ignition_manifests
          changed_when: false

        - name: Create butane templates
          ansible.builtin.template:
            src: "{{ item }}"
            dest: "{{ tempDir }}/{{ item | basename | regex_replace('\\.j2$', '') }}"
          with_fileglob:
            - templates/*.bu.j2

        - name: Render butane template to OpenShift manifest
          ansible.builtin.shell: |
            set -o pipefail
            butane {{ tempDir }}/{{ item|basename }} -o {{ tempDir }}/{{ clusterName }}/openshift/{{ item | basename | regex_replace('\\.bu', '.yaml') }}
          with_fileglob:
            - "{{ tempDir }}/*.bu"
          register: render_butane_template
          changed_when: false

    - name: Generate ignition config for single node
      ansible.builtin.shell: |
        set -o pipefail
        {{ tempDir }}/openshift-install create single-node-ignition-config --dir={{ tempDir }}/{{ clusterName }}
      register: generate_ignition_file

    - name: Check if ISO image exists
      ansible.builtin.stat:
        path: "{{ tempDir }}/os.iso"
      register: iso

    - name: Download CoreOS ISO
      when: iso.stat.exists == false
      block:

        - name: Get CentOS Stream CoreOS ISO download location from openshift-installer
          ansible.builtin.shell: |
            set -o pipefail
            {{ tempDir }}/openshift-install coreos print-stream-json | grep location | grep x86_64 | grep iso | cut -d\" -f4
          register: scos_image_url

        - name: Download ISO
          ansible.builtin.get_url:
            url: "{{ (scosBaseUrl | d('') != '') | ternary( scos_image_url.stdout | regex_replace( 'https://builds.coreos.fedoraproject.org/prod/streams/stable/builds', scosBaseUrl), scos_image_url.stdout) }}"
            dest: "{{ tempDir }}/os.iso"

    - name: Embed the ignition bootstrap into the iso image
      become: true
      ansible.builtin.shell: |
        set -o pipefail
        alias coreos-installer='sudo podman run --privileged --pull always --rm -v /dev:/dev -v /run/udev:/run/udev -v {{ tempDir }}:/data -w /data quay.io/coreos/coreos-installer:release'
        coreos-installer iso ignition embed -fi {{ clusterName }}/bootstrap-in-place-for-live-iso.ign os.iso
      register: embed_ignition_in_iso