Joshua M. Boniface
0f52de5b66
Simplifies the scripts and adds the ability to easily and cleanly change the contents of these files without dealing with escape characters, etc.
142 lines
3.8 KiB
Bash
Executable File
142 lines
3.8 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 undionly.kpxe (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.pxe ${outputdir}/boot.pxe
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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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