srbala/ks2rootfs
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Bala Raman 85a8b336bc
minior fixes 
Signed-off-by: Bala Raman <srbala@gmail.com>
2021-06-24 00:00:10 -04:00
scripts minior fixes 2021-06-24 00:00:10 -04:00
tests/kickstarts Fix #1, #2, #3 - Script update, params, documentaion and test scripts 2021-06-23 12:56:33 -04:00
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Dockerfile Fix #1, #2, #3 - Script update, params, documentaion and test scripts 2021-06-23 12:56:33 -04:00
LICENSE Initial commit 2021-06-16 04:34:38 -04:00
README.md minior fixes 2021-06-24 00:00:10 -04:00

README.md

Kickstart to RootFS Builder

This project provides the ability build rootfs file from kickstart input file in a docker/podman container environment. Output rootfs files can be used create base images for different OSs (AlmaLinux, Cent OS, Rocky Linux) etc.

HOW-TO

Image yet ot published in hub.docker.com, until then use local build.

Building local

docker build -t srbala/ks2rootfs:alma .

Using Image

Following command under tests folder. Run command uses the kickstarts/almalinux-8-default.x86_64.ks file to build.

docker run --rm --privileged -v "$PWD:/build:z" \
    -e BUILD_KICKSTART=kickstarts/almalinux-8-default.x86_64.ks \
    -e BUILD_ROOTFS=almalinux-8-default-docker.x86_64.tar.gz \
    -e BUILD_OUTDIR=default \
    srbala/ks2rootfs:alma

docker run --rm --privileged -v "$PWD:/build:z" \
    -e BUILD_KICKSTART=kickstarts/almalinux-8-minimal.x86_64.ks \
    -e BUILD_ROOTFS=almalinux-8-minimal-docker.x86_64.tar.gz \
    -e BUILD_OUTDIR=minimal \
    srbala/ks2rootfs:alma

Environment variables

Container startup script ks2rootfs supports multiple environment varible to customize the output. The environment variables and their use as follows

ENVIRONMENT VARIABLES:
======================

BUILD_KICKSTART  : Reuired - Input kickstart source file (.ks)
BUILD_ROOTFS     : Required - Rootfs output file name 

BUILD_WORK_DIR   : Optional - Working dir for kickstart source and image destination. Defaults to current directory.
BUILD_OUTDIR     : Optional - Output directory name in working dir (default - 'result') - Optional
BUILD_FLAG_OUTOUT_IN_PWD : Optional - Set this flag to true to write output files in current working directory. Default value is false. When value is set to `true`, any value passed to `BUILD_OUTDIR` will be ignored.
BUILD_FLAG_WRITE_META    : Optional - Generate meta data about the kickstart build system. Default value is true.
BUILD_FLAG_RETAIN_LOG    : Optional - Retain generated output log files under 'logs' output directory. Default value is false.


USAGE:
    ks2rootfs KICKSTART_FILE_NAME ROOTFS_FILE_NAME

EXAMPLES:
    ks2rootfs os-minimal.ks os-minimal.tar.xz