mk_bootiso.yml

---
- hosts: localhost
  gather_facts: true
  become: true
  tasks:
  
    - name: Install syslinux and genisoimage
      dnf:
        name:
        - syslinux
        - genisoimage
        state: latest
        update_cache: true
    
    - name: Download Rocky Linux distribution
      get_url:
        url: "{{ pxe_linux_iso }}"
        dest: "{{ pxe_iso_target }}"
        mode: '0644'
        checksum: "{{ pxe_rockyiso_sum }}"
    
    - name: Make mounting directory
      ansible.builtin.file:
        path: "{{ mount_dir }}"
        state: directory
        mode: '0755'
    
    - name: Mount ISO file locally
      ansible.posix.mount:
        path: "{{ mount_dir }}"
        src: "{{ pxe_iso_target }}"
        fstype: iso9660
        opts: ro
        fstab: /tmp/tmp.fstab
        state: mounted
    
    - name: Make working directory
      ansible.builtin.file:
        path: "{{ work_dir }}"
        state: directory
        mode: '0755'
    
    - name: Copy ISO into working directory
      ansible.posix.synchronize:
        src: "{{ mount_dir }}/"
        dest: "{{ work_dir }}"
    
    - name: recursively update permissions of { work_dir } directory
      file:
        path: "{{ work_dir }}"
        state: directory
        recurse: yes
        mode: 0755
    
    - name: Unmount ISO file
      ansible.posix.mount:
        path: "{{ mount_dir }}"
        fstab: /tmp/tmp.fstab
        state: absent
    
    - name: blkid info from downloaded ISO
      shell: 'blkid "{{ pxe_iso_target }}"'
      register: results
    
    - name: Parse out Volume Label from blkid
      set_fact:
        myvalue: "{{ results.stdout.split('\"') }}"
      vars: 
        regexp: 'value=\"([^"]+)'
    
    - name: Set to label variable
      set_fact:
        label: "{{ myvalue[5] }}"
    
    - name: print volume label
      debug:
        var: label
    
          ## - name: Remove ISO download from filesystem
          ## file:
          ## path: "{{ pxe_iso_target }}" 
          ## state: absent
    
    - name: remove default option - isolinux/isolinux.cfg
      replace:
        path: "{{ work_dir }}/isolinux/isolinux.cfg"
        regexp: 'menu default'
        replace: ''
    
    - name: put in ks stub and add default option- isolinux/isolinux.cfg
      replace:
        path: "{{ work_dir }}/isolinux/isolinux.cfg"
        regexp: '{{ label }} quiet'
        replace: '{{ label }} inst.ks=hd:LABEL={{ label }}:/ks.cfg\n  menu default'
    
    - name: Move default option - EFI/BOOT/grub.cfg
      replace:
        path: "{{ work_dir }}/EFI/BOOT/grub.cfg"
        regexp: 'set default="1"'
        replace: 'set default="0"'
    
    - name: put in ks stub - EFI/BOOT/grub.cfg
      replace:
        path: "{{ work_dir }}/EFI/BOOT/grub.cfg"
        regexp: '{{ label }} quiet'
        replace: '{{ label }} inst.ks=hd:LABEL={{ label }}:/ks.cfg'
    
    - name: Mount ISO UEFI Image file
      ansible.posix.mount:
        path: "{{ mount_dir }}"
        src: "{{ work_dir }}/images/efiboot.img"
        fstype: vfat
        opts: rw
        fstab: /tmp/tmp.fstab
        state: mounted
    
    - name: Copy grub.cfg into UEFI image
      ansible.builtin.copy:
        src: "{{ work_dir }}/EFI/BOOT/grub.cfg"
        dest: "{{ mount_dir }}/EFI/BOOT/grub.cfg"
        owner: root
        group: root
        mode: '0755'
        force: yes
    
    - name: Unmount ISO UEFI Image file
      ansible.posix.mount:
        path: "{{ mount_dir }}"
        fstab: /tmp/tmp.fstab
        state: absent
    ##
    - name: Create generic kickstart file
      template:
        src: roles/pxeboot/templates/ks.pxe.cfg.j2
        dest: "{{ work_dir }}/ks.cfg"
        owner: root
        group: root
        mode: 0644
    
    - name: mkisofs
      ansible.builtin.shell: mkisofs -o ../"{{ pxe_server_name }}".iso -b isolinux/isolinux.bin -J -R -l -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table -eltorito-alt-boot -e images/efiboot.img -no-emul-boot -graft-points -joliet-long -V {{ label }} .
      args:
        chdir: "{{ work_dir }}"
    
    - name: isohybrid
      ansible.builtin.shell: isohybrid --uefi ../"{{ pxe_server_name }}".iso
      args:
        chdir: "{{ work_dir }}"
    
    - name: implantisomd5
      ansible.builtin.shell: implantisomd5 ../"{{ pxe_server_name }}".iso
      args:
        chdir: "{{ work_dir }}"
    
    - name: Clean up mounting directory
      file:
        path: "{{ mount_dir }}"
        state: absent
    
    - name: Clean up working directory
      file:
        path: "{{ work_dir }}"
        state: absent