146 lines
3.9 KiB
Bash
Executable File
146 lines
3.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Generate a PVC autoinstaller PXE configuration
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fail() {
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echo "$@"
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exit 1
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}
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test -f /usr/lib/PXELINUX/pxelinux.0 &>/dev/null || fail "This script requires pxelinux and syslinux-common"
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test -f /usr/lib/syslinux/modules/bios/ldlinux.c32 &>/dev/null || fail "This script requires pxelinux and syslinux-common"
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sudo -n true &>/dev/null || fail "The user running this script must have sudo privileges."
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outputdir="pvc-installer-pxe_$(date +%Y-%m-%d)/"
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deployusername="deploy"
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show_help() {
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echo -e "PVC install PXE generator"
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echo
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echo -e " Generates a mostly-automated installer PXE image for a PVC node base system."
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echo -e " This setup is designed to be used with the pvcbootstrapd system; for a normal"
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echo -e " installation, use buildiso.sh instead."
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echo
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echo -e "Usage: $0 [-h] [-o <outputdirectory>] [-u username]"
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echo
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echo -e " -h: Display this help message."
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echo -e " -o: Create the PXE images under <outputdirectory> instead of the default."
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echo -e " -u: Change 'deploy' user to a new username."
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echo -e " -a: Preserve live-build artifacts (passed through to buildiso.sh)."
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echo -e " -k: Preserve live-build config (passed through to buildiso.sh)."
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echo -e " -i: Preserve live-build ISO image."
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}
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while [ $# -gt 0 ]; do
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case "${1}" in
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-h|\?)
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show_help
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exit 0
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;;
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-o)
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outputdir="${2}"
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shift 2
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;;
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-u)
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deployusername="${2}"
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shift 2
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;;
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-a)
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preserve_artifacts='-a'
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shift
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;;
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-k)
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preserve_livebuild='-k'
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shift
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;;
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-i)
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preserve_liveiso='y'
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shift
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;;
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*)
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echo "Invalid option: ${1}"
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echo
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show_help
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exit 1
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;;
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esac
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done
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cleanup() {
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echo -n "Cleaning up... "
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echo "done."
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echo
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}
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fail() {
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echo $@
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cleanup
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exit 1
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}
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build_iso() {
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if [[ ! -f pvc-installer_pxe-tmp.iso ]]; then
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./buildiso.sh \
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-o pvc-installer_pxe-tmp.iso \
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-u ${deployusername} \
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${preserve_artifacts} \
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${preserve_livebuild} || fail "Failed to build ISO."
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echo
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fi
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}
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build_pxe() {
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mkdir -p ${outputdir} ${outputdir}/host
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echo -n "Mounting temporary ISO file... "
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tmpdir=$( mktemp -d )
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sudo mount pvc-installer_pxe-tmp.iso ${tmpdir} &>/dev/null
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echo "done."
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echo -n "Copying live boot files... "
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cp ${tmpdir}/live/filesystem.squashfs ${outputdir}/
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cp ${tmpdir}/live/vmlinuz ${outputdir}/
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cp ${tmpdir}/live/initrd.img ${outputdir}/
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echo "done."
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echo -n "Unmounting and removing temporary ISO file... "
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sudo umount ${tmpdir}
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rmdir ${tmpdir}
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echo "done."
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echo -n "Downloading iPXE binary undionly.kpxe (chainloads arbitrary PXE clients)... "
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pushd ${outputdir} &>/dev/null
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wget -O undionly.kpxe https://boot.ipxe.org/undionly.kpxe &>/dev/null || fail "failed to download undionly.kpxe."
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popd &>/dev/null
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echo "done."
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echo -n "Downloading iPXE binary ipxe.efi (chainloads UEFI clients)... "
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pushd ${outputdir} &>/dev/null
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wget -O ipxe.efi https://boot.ipxe.org/ipxe.efi &>/dev/null || fail "failed to download ipxe.efi."
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popd &>/dev/null
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echo "done."
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echo -n "Copying base iPXE configuration... "
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cp templates/boot.ipxe ${outputdir}/boot.ipxe
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echo "done."
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echo -n "Copying preseed template... "
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cp templates/host-preseed.j2 ${outputdir}/host-preseed.j2
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echo "done."
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sudo chown -R $(whoami) ${outputdir}
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sudo chmod -R u+w ${outputdir}
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if [[ -z ${preserve_liveiso} ]]; then
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echo -n "Removing temporary ISO... "
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rm pvc-installer_pxe-tmp.iso &>/dev/null
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echo "done."
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fi
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}
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build_iso
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build_pxe
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cleanup
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echo "PVC Live Installer PXE generation complete."
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