Template Syntax Rules

Bare metal templates include both system variables and custom variables to support various unattended deployment scenarios.

System templates only contain predefined system variables. Custom templates include both system variables and your custom variables.

System variables example (All uppercase, underscore-separated):

REPO_URL  
# Installation source URL created from selected ISO
# Can be commented out and manually specified via `--url`

USERNAME  
# System username
# Default is root for RHEL/CentOS or SUSE/openSUSE (only password required)
# Required for Debian/Ubuntu systems

PASSWORD  
# Password for the system user

NETWORK_CFGS 
# NIC UUID and network UUID from UI
# Replaced after IP assignment (automatic or manual)

FORCE_INSTALL  
# Whether to overwrite existing disk data automatically

PRE_SCRIPTS  
# Pre-installation scripts

POST_SCRIPTS  
# Post-installation scripts

Custom variables example (All lowercase, underscore-separated):

hostname  
# Hostname

keyboard  
# Keyboard

timezone  
# Timezone

Different template types follow different syntax rules:

• For kickstart templates: Refer to Red Hat official documentation.
• For preseed or autoinstall templates: Refer to Ubuntu official documentation.
• For autoyast templates: Refer to SUSE official documentation.