pxe_server/tasks/build_iso.yaml

---
# https://gist.github.com/zuzzas/a1695344162ac7fa124e15855ce0768f
# http://askubuntu.com/questions/6684/preseeding-ubuntu-server
    
###############################################
# Install packages needed for ISO Building
###############################################

- name: Build ISO - APT - Install Packages  
  apt:
    name:
      - "{{ item }}"
    state: present
  loop: "{{ iso_packages }}"
  when: not refresh_only or iso_only | bool

###############################################
# DEB13 Source ISO Extract
# Download the most recent ISO from debian
# Extract contents to local folder
###############################################

- name: Build ISO - Extract Source - Check ISO Directory
  file:
    path: "{{ iso_share }}"
    state: directory
    mode: '0755'

- name: Build ISO - Extract Source - Check Temp Directory
  file:
    path: "{{ deb13_pxe }}"
    state: directory
    mode: '0644'

- name: Build ISO - Extract Source - Check Extraction Directory
  file:
    path: "{{ deb13_iso }}"
    state: directory
    mode: '0644'

- name: Build ISO - Extract Source - Check Source Directory
  file:
    path: "{{ deb13_src }}"
    state: directory
    mode: '0644'
  
- name: Build ISO - Get Recent Debian Version
  shell: |
    curl -s https://cdimage.debian.org/debian-cd/current/amd64/iso-cd/ | \
    grep netinst | grep iso | grep -v -e edu -e mac | cut -d '"' -f 6
  register: recent_version

- name: Build ISO - Display Recent Version
  debug:
    msg: "Current Debian ISO name: {{ recent_version.stdout_lines[0] }}"

- name: Build ISO - Extract Source - Download ISO
  get_url:
    url: "https://cdimage.debian.org/debian-cd/current/amd64/iso-cd/{{ recent_version.stdout_lines[0] }}"
    dest: "{{ iso_share }}/deb13-master.iso"
    mode: '0644'
  register: deb13_iso_download

- name: show iso size
  debug:
    msg: "Debian Net ISO Size is {{ (deb13_iso_download.size | float ) / 1048576  }}MB"

- name: Build ISO - Extract Source - Mount ISO
  shell: "mount -o loop {{ iso_share }}/deb13-master.iso {{ deb13_iso }}"

- name: Build ISO - Extract Source - Copy ISO data
  shell: "rsync -a -H --exclude=TRANS.TBL {{ deb13_iso }}/ {{ deb13_src }}"
  
- name: Build ISO - Extract Source - Unmount ISO
  shell: "umount {{ deb13_iso }}"

###############################################
# Copy Matt-Cloud Init Script et. al.
###############################################
###############################################
# DEB13 Source modify
# Copy preseed file to source
# copy cosmos-init data to source
# Add preseed to initrd
# Recompute checksums
###############################################

- name: Build ISO - Modify Source - Correct Permissions
  shell: "chmod -R 755 {{ deb13_src }}"

- name: Build ISO - Modify Source - Copy Preseed
  template:
    src: preseed-usb.cfg.j2
    dest: "{{ deb13_src }}/preseed.cfg"
    mode: 0644

# Create cosmos folder
#
# copy files for preseed
# jenkins_key
# update_issue.sh
# permitrootlogin
# .bashrc
# stat.sh
# cosmos-client.conf
- name: Build ISO - Modify Source - Create Cosmos Folder
  file:
    path: "{{ deb13_src }}/cosmos"
    state: directory
    mode: '0755'

- name: build archive if needed
  when: not archive_fresh | bool
  ansible.builtin.archive:
    path: "/var/jenkins_home/ansible/roles/pxe_server/files/init"
    dest: "/var/jenkins_home/ansible/roles/pxe_server/files/cosmos-init.tar"
    format: "tar"
  delegate_to: localhost 

  # Copy Archive to Target
- name: Files - Copy cosmos-init.tar to target
  copy:
    src: /var/jenkins_home/ansible/roles/pxe_server/files/cosmos-init.tar
    dest: "{{ deb13_src }}/cosmos/cosmos-init.tar"
    mode: 0644

- name: Check archive size
  shell: "ls -lah {{ deb13_src }}/cosmos/cosmos-init.tar | cut -d ' ' -f 5 "
  register: archive_size_output

- name: Show archive size
  debug:
    msg: "cosmos-init.tar archive is {{ archive_size_output.stdout_lines[0] }}"

- name: Build ISO - Modify Source - remove GUI install option
  shell: |
    sed -i '/menuentry --hotkey=g '\''Graphical install'\'' {/,/^}/d' {{ deb13_src }}/boot/grub/grub.cfg

- name: Build ISO - Modify Source - edit isolinux/txt.cfg
  shell: >
    sed 's/initrd.gz/initrd.gz file=\/cdrom\/preseed.cfg/' -i /opt/cosmos/deb13-source/isolinux/txt.cfg

- name: Build ISO - Modify Source - add preseed to initrd
  shell: |
    ISODIR_WRITE={{ deb13_src }}/
    mkdir $ISODIR_WRITE/irmod
    cd $ISODIR_WRITE/irmod
    gzip -d < $ISODIR_WRITE/install.amd/initrd.gz | \
      cpio --extract --make-directories --no-absolute-filenames
    cp $ISODIR_WRITE/preseed.cfg preseed.cfg
    chown root:root preseed.cfg
    chmod o+w $ISODIR_WRITE/install.amd/initrd.gz
    find . | cpio -H newc --create | \
      gzip -9 > $ISODIR_WRITE/install.amd/initrd.gz
    chmod o-w $ISODIR_WRITE/install.amd/initrd.gz
    cd $ISODIR_WRITE/
    rm -fr $ISODIR_WRITE/irmod/

- name: Build ISO - Modify Source - fixing MD5 checksums
  shell: |
    cd {{ deb13_src }}/
    md5sum $(find -type f) > {{ deb13_src }}/md5sum.txt

###############################################
# DEB12 Build ISO * 'burn' script
###############################################

- name: Build ISO - Build Deb13-MC.iso
  shell: |
    xorriso -as mkisofs \
      -r \
      -V "Deb13_MC" \
      -o "{{ iso_share }}/Deb13-MC.iso" \
      -J \
      -isohybrid-mbr /usr/lib/ISOLINUX/isohdpfx.bin \
      -partition_offset 16 \
      -A "Debian 13 Matt-Cloud ISO" \
      -b isolinux/isolinux.bin \
      -c isolinux/boot.cat \
      -no-emul-boot \
      -boot-load-size 4 \
      -boot-info-table \
      -eltorito-alt-boot \
      -e boot/grub/efi.img \
      -no-emul-boot \
      -isohybrid-gpt-basdat \
      -append_partition 2 0xef {{ deb13_src }}/boot/grub/efi.img \
      {{ deb13_src }}      

- name: get iso size
  shell: "ls -lah {{ iso_share }}/Deb13-MC.iso | cut -d ' ' -f 5"
  register: iso_size_output

- name: show iso size
  debug:
    msg: "Deb13-MC.iso is {{ iso_size_output.stdout_lines[0] }}."

- name: Build ISO - Build 'burn' script
  shell: "echo dd if={{ iso_share }}/Deb13-MC.iso of=CHANGE_TO_USB bs=16M status=progress oflag=sync > {{ iso_share }}/burn_deb.sh"

- name: Build ISO - Make 'burn' script executable
  shell: "chmod +x {{ iso_share }}/burn_deb.sh"


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