Ansible Role: Kickstart ISO

This role creates kickstart ISO images for RHEL/CentOS.

Requirements

Access to repositories containing system packages and base ISO images, likely on the internet.
A recent Ansible version (tested last 2 stable major versions).

The following roles can be installed to ensure all requirements are met, using ansible-galaxy role install -r molecule/resources/requirements.yml :

---
roles:
  - name: rembik.bootstrap

Role Variables

These defaults are set in defaults/main.yml:

---
# https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/anaconda_customization_guide/sect-boot-menu-customization
# https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html-single/performing_an_advanced_rhel_installation

# If kickstart_iso_src_file.name or kickstart_iso_src_file.checksum is undefined,
# kickstart_iso_src_file.checksum_url and kickstart_iso_src_file.search are used
# to dertermine the missing base ISO image file name and checksum
kickstart_iso_src_file:
  name: ''
  search: 'boot'
  checksum: ''
  checksum_url: 'http://mirror.centos.org/centos/8/isos/x86_64/CHECKSUM'
  base_url: 'http://isoredirect.centos.org/centos/8/isos/x86_64'

# Directory where the base ISO images are saved
kickstart_iso_src_dir: '.images/base'
# Directory where the kickstart ISO images are saved
kickstart_iso_dest_dir: '.images/kickstart'
# Allow override of kickstart ISO images, if some already exist (yes|no)
kickstart_iso_override: no

# Pick first disks with minimal physical size kickstart_iso_disk_drive_min_size (GiB)
# until a overall minimal logical OS volume size kickstart_iso_disk_volume_min_size (GiB)
# and create a logical OS volume with maximal size kickstart_iso_disk_volume_max_size (GiB)
kickstart_iso_disk_drive_min_size: 10
kickstart_iso_disk_volume_min_size: 60
kickstart_iso_disk_volume_max_size: 120

kickstart_iso_install_media: 'url --url http://mirror.centos.org/centos/8/BaseOS/x86_64/os/'
kickstart_iso_root_password: 'centos'
kickstart_iso_language: 'de'
kickstart_iso_country: 'DE'
kickstart_iso_timezone: 'Europe/Berlin'
kickstart_iso_completion: 'reboot'
kickstart_iso_network_bootproto: 'dhcp'
kickstart_iso_network_device: 'eth0'
kickstart_iso_network_static_netmask: '255.255.255.0'
kickstart_iso_network_static_gateway: '192.168.1.1'
kickstart_iso_network_static_nameserver: ['192.168.1.1']
# If kickstart_iso_network_bootproto is static use kickstart_iso_network_static_hosts
# to create additional custom static host ISO images
# kickstart_iso_network_static_hosts:
#   - {ip: '192.168.1.1', name: 'host01'}

Dependencies

None.

Example Playbook

This is a sample playbook to create kickstart CentOS 8 ISO image on localhost; made for network releases via DHCP.

---
- hosts: localhost
  become: true

  tasks:
    - include_role:
        name: rembik.kickstart_iso

This is a sample playbook to create kickstart CentOS 7 ISO images on localhost; made for static network configuration.

---
- hosts: localhost
  become: true

  pre_tasks:
    - name: Get all hosts (including IP) from inventory
      set_fact:
        kickstart_iso_network_static_hosts: "{{ (kickstart_iso_network_static_hosts|default([])) +
                                             [dict(ip=hostvars[item].ansible_host,name=(item.split('.')[0]|lower))] }}"
      loop: "{{ groups['all'] }}"

  tasks:
    - include_role:
        name: rembik.kickstart_iso
      vars:
        kickstart_iso_src_file:
          search: 'Minimal'
          checksum_url: 'http://mirror.centos.org/centos/7/isos/x86_64/sha256sum.txt'
          base_url: 'http://isoredirect.centos.org/centos/7/isos/x86_64'
        kickstart_iso_install_media: 'cdrom'
        kickstart_iso_network_bootproto: 'static'
        kickstart_iso_network_static_netmask: '255.255.252.0'
        kickstart_iso_network_static_gateway: '10.0.0.1'
        kickstart_iso_network_static_nameserver:
          - '10.0.2.1'
          - '10.0.3.1'