27 lines
902 B
Bash
27 lines
902 B
Bash
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#!/bin/bash
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set -o errexit -o nounset -o pipefail -o xtrace
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declare -r MOUNTDIR="$(mktemp -d)"
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cleanstep1() {
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rm -r "${MOUNTDIR}"
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}
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trap cleanstep1 EXIT
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mount -t ext4 -o noexec,nosuid,nodev,rootcontext=system_u:object_r:container_file_t:s0 LABEL=fcos_images "${MOUNTDIR}"
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cleanstep2() {
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umount -f "${MOUNTDIR}"
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cleanstep1
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}
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trap cleanstep2 EXIT
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declare -r KERNEL_FILE="$(basename "$(ls -1 "${MOUNTDIR}"/fedora-coreos-*-live-kernel-x86_64)")"
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declare -r INITRAMFS_FILE="$(basename "$(ls -1 "${MOUNTDIR}"/fedora-coreos-*-live-initramfs.x86_64.img)")"
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declare -r ROOTFS_FILE="$(basename "$(ls -1 "${MOUNTDIR}"/fedora-coreos-*-live-rootfs.x86_64.img)")"
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echo "dhcp-option=encap:129,1,\"${KERNEL_FILE}\"" > /root/dhcp/dhcp-options
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echo "dhcp-option=encap:129,2,\"${INITRAMFS_FILE}\"" >> /root/dhcp/dhcp-options
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echo "dhcp-option=encap:129,3,\"${ROOTFS_FILE}\"" >> /root/dhcp/dhcp-options
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