152 lines
4.8 KiB
Bash
Executable File
152 lines
4.8 KiB
Bash
Executable File
#!/bin/bash -e
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# description: build rootfs
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# param: 1. kickstart file and 2. rootfs file name to be generated
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usage() {
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cat 1>&2 <<EOF
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Script to create roofs file from a kickstart file using livemedia-creator
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ENVIRONMENT VARIABLES:
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======================
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BUILD_KICKSTART : Reuired - Input kickstart source file (.ks)
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BUILD_ROOTFS : Required - Rootfs output file name
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BUILD_WORK_DIR : Optional - Working dir for kickstart source and image destination. Defaults to current directory.
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BUILD_OUTDIR : Optional - Output directory name in working dir (default - 'result') - Optional
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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.
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BUILD_FLAG_WRITE_META : Optional - Generate meta data about the kickstart build system. Default value is true.
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BUILD_FLAG_RETAIN_LOG : Optional - Retain generated output log files under 'logs' output directory. Default value is false.
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USAGE:
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ks2rootfs KICKSTART_FILE_NAME ROOTFS_FILE_NAME
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EXAMPLES:
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ks2rootfs os-minimal.ks os-minimal.tar.xz
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EOF
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}
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run-summary() {
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cat 1>&2 <<EOF
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ks2rootfs - Script input summary:
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FLAGS
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-----
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FLAG_OUTOUT_PWD : ${BUILD_FLAG_OUTOUT_IN_PWD}
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FLAG_WRITE_META : ${BUILD_FLAG_WRITE_META}
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FLAG_RETAIN_LOG : ${BUILD_FLAG_RETAIN_LOG}
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VARIABLES
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---------
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BUILD_WORK_DIR : ${BUILD_WORK_DIR}
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BUILD_OUTDIR : ${BUILD_OUTDIR}
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BUILD_LOGDIR : ${BUILD_LOGDIR}
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INPUT_KICKSTART : ${BUILD_WORK_DIR}${BUILD_KICKSTART}
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OUTPUT_ROOTFS : ${BUILD_OUTDIR}/${BUILD_ROOTFS}
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EOF
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}
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BUILD_WORK_DIR=${BUILD_WORK_DIR:-./}
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BUILD_KICKSTART=${BUILD_KICKSTART:-$1}
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BUILD_ROOTFS=${BUILD_ROOTFS:-$2}
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BUILD_FLAG_WRITE_META=${BUILD_FLAG_WRITE_META:-true}
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BUILD_FLAG_RETAIN_LOG=${BUILD_FLAG_RETAIN_LOG:-false}
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BUILD_FLAG_OUTOUT_IN_PWD=${BUILD_FLAG_OUTOUT_IN_PWD:-false}
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USE_PWD_OUTPUT=${USE_PWD_OUTPUT:-false}
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BUILD_OUTDIR=${BUILD_OUTDIR:-result}
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BUILD_LOGDIR=${BUILD_OUTDIR}/logs
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if [ ${BUILD_FLAG_OUTOUT_IN_PWD} == 'true' ]; then
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echo 'Build output files will be in current working folder ... '
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BUILD_OUTDIR=${BUILD_WORK_DIR}
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else
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BUILD_OUTDIR=${BUILD_WORK_DIR}${BUILD_OUTDIR:-result}
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echo "Build output files will be in '${BUILD_OUTDIR}' folder ... "
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if [[ -d "${BUILD_OUTDIR}" ]]; then
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echo "Output directory ${BUILD_OUTDIR} already exists, please remove it"
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exit 1
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fi
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mkdir -p ${BUILD_OUTDIR}
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if [[ -d "${BUILD_OUTDIR}" ]]; then
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echo "Output directory ${BUILD_OUTDIR} created successfully"
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else
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echo "Error in creating output directory: ${BUILD_OUTDIR}"
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exit 1
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fi
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fi
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BUILD_LOGDIR=${BUILD_OUTDIR}/logs
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if [ -z ${BUILD_KICKSTART} ] || [ -z ${BUILD_ROOTFS} ]
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then
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echo "Please provide two parameters, kickstart source file and rootfs output file name"
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usage
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exit 1
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fi
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# Write run summary to console
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run-summary
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# set anaconda base product
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cat << _EOF > /etc/anaconda/product.d/ks2rootfs.conf
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# Anaconda configuration file for Kickstart to Rootfs.
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[Product]
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product_name = Kickstart to Rootfs
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[Base Product]
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product_name = AlmaLinux
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[Storage]
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file_system_type =
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[License]
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eula =
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_EOF
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# create rootfs
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livemedia-creator --logfile="/tmp/ks2rootfs.log" \
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--make-tar --ks="${BUILD_WORK_DIR}/${BUILD_KICKSTART}" --no-virt \
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--image-only --image-name="${BUILD_ROOTFS}" \
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--anaconda-arg "--product Kickstart to Rootfs"
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# copy rootfs to working dir
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cp -rp /var/tmp/${BUILD_ROOTFS} ${BUILD_OUTDIR}/${BUILD_ROOTFS}
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echo 'Copied disk image from /var/tmp/${BUILD_ROOTFS} to ${BUILD_OUTDIR}/${BUILD_ROOTFS}'
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if [ ${BUILD_FLAG_WRITE_META} == 'true' ]; then
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# extract os-release info
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tar -xvf /var/tmp/${BUILD_ROOTFS} -C /tmp/ --strip-components=3 ./usr/lib/os-release
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os_release_id=$(awk -F= '$1=="ID" { print $2 ;}' /tmp/os-release | tr -d '"')
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distro_release=$(grep "${os_release_id}.*-release-" /tmp/anaconda/packaging.log | grep -o "Verifying:.*" | sed -n 's/Verifying: //p')
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if [ -z ${distro_release+x} ]; then
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exit 1
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else
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echo 'Writting meta data ... '
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# save distro release info
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echo "$distro_release" > ${BUILD_OUTDIR}/distro-release
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fi
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# save list of packages installed
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jq .[] -r /tmp/dnf.cache/tempfiles.json | awk -F '/' '{print $5}' | sort > ${BUILD_OUTDIR}/pkgs-list
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echo 'Writting meta data completed.'
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else
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echo 'Skip writing meta data based on configuration.'
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fi
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if [ ${BUILD_FLAG_RETAIN_LOG} == 'true' ]; then
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rm -rf ${BUILD_LOGDIR}
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mkdir -p ${BUILD_LOGDIR} ${BUILD_LOGDIR}/anaconda
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echo "Copying logs to '${BUILD_LOGDIR}' ..."
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cp /tmp/ks2rootfs.log rm -rf ${BUILD_LOGDIR}/ks2rootfs.log
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cp -rp /tmp/anaconda/* ${BUILD_LOGDIR}/anaconda
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echo 'Copying logs completed.'
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else
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echo 'Skip copying logs data based on configuration (default). '
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fi
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