diff options
Diffstat (limited to 'modules.d/dnbd3-rootfs/module-setup.sh')
| -rwxr-xr-x | modules.d/dnbd3-rootfs/module-setup.sh | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/modules.d/dnbd3-rootfs/module-setup.sh b/modules.d/dnbd3-rootfs/module-setup.sh new file mode 100755 index 00000000..77543a54 --- /dev/null +++ b/modules.d/dnbd3-rootfs/module-setup.sh @@ -0,0 +1,231 @@ +#!/usr/bin/env bash +# -*- coding: utf-8 -*- + + +_parse_dracut_args() { + local __doc__=' + Set log level via dracut logging options and returns current debug state. + + >>> echo "$_debug" + 1 + >>> _parse_dracut_args; echo $? + 1 + + >>> _parse_dracut_args --stdlog 3; echo $? + + >>> _parse_dracut_args --stdlog 4; echo $? + >>> logging.get_commands_level + >>> logging.get_level + 0 + debug + debug + + >>> logging.get_level + critical + >>> _parse_dracut_args --stdlog 4 --verbose + >>> logging.get_level + debug + + >>> _parse_dracut_args --stdlog 4 --unknown-dracut-option; echo $? + 0 + ' + local verbose=false + local debug=false + while true; do + case "$1" in + --stdlog) + shift + local level="$1" + shift + [[ "$level" -ge 4 ]] && debug=true + ;; + --verbose) + shift + verbose=true + ;; + '') + break + ;; + *) + shift + ;; + esac + local level + $verbose && level=info + $debug && level=debug + #logging.set_level "$level" + #logging.set_commands_level debug + done + $debug + return $? +} +# WTF does this actually do aside from taking space! +_debug=0 +_parse_dracut_args ${dracut_args[*]} || _debug=$? +# endregion + +clean() { +# Sourcing some helper functions + . "$(dirname "${BASH_SOURCE[0]}")/helper/build.inc" + clean_components +} +# region dracut plugin api +check() { +# Sourcing some helper functions + . "$(dirname "${BASH_SOURCE[0]}")/helper/build.inc" + if ! build_initialize_components; then + echo "Failed to initialize components." + return 1 + fi + # NOTE: xmount must be compiled before qemu_xmount + local xmount_is_built=true + if [[ ! -f "$moddir/binaries/xmount/trunk/build/src/xmount" ]] || + [[ ! -f "$moddir/binaries/qemu-xmount/libxmount_input_qemu.so" ]]; then + xmount_is_built=false + fi + # non-critical if failed + $xmount_is_built || warn "Compiling 'xmount'/'libxmount_input_qemu' failed." + + if [[ ! -f "$moddir/binaries/dnbd3/build/dnbd3.ko" ]] || \ + [[ ! -f "$moddir/binaries/dnbd3/build/dnbd3-client" ]]; then + CMAKE_FLAGS="-DKERNEL_VERSION=${kernel}" \ + build_compile_dnbd3 "$moddir/binaries/dnbd3/" + [[ $? != 0 ]] && return 1 + fi + if [[ ! -f "$moddir/binaries/systemd-preserve-process-marker/systemd-preserve-process-marker" ]]; then + build_compile_systemd_preserve_process_marker \ + "$moddir/binaries/systemd-preserve-process-marker/" + [[ $? != 0 ]] && return 1 + fi + # TODO do we still need this ? + # NOTE: This are workarounds for: + # - distributions where "systemd-udevd" doesn't lives in "/usr/lib" but in + # "/lib". + local alternate_systemd_udevd_location='/lib/systemd/systemd-udevd' + if [[ ! -f "${systemdutildir}/systemd-udevd" ]] && \ + [[ -f "$alternate_systemd_udevd_location" ]]; then + mkdir --parents "${initdir}${systemdutildir}" + ln --symbolic --force "$alternate_systemd_udevd_location" \ + "${initdir}${systemdutildir}/systemd-udevd" + fi + # WTF? + # - "/usr/bin/sh" isn't available but "/bin/sh". + if [[ ! -f /usr/bin/sh ]] && [[ -f /bin/sh ]]; then + ln --symbolic --force /bin/sh /usr/bin/sh + fi + return 255 +} +depends() { + echo base bash kernel-modules shutdown slx-dmsetup slx-network +} +installkernel() { + local block_kmod_dir="/lib/modules/${kernel}/kernel/drivers/block" + + # dnbd3 + mkdir -p "${initdir}/${block_kmod_dir}" + inst "${moddir}/binaries/dnbd3/build/dnbd3.ko" "${block_kmod_dir}/dnbd3.ko" + + # kqcow2 kernel + local kqcow_loop_kmod_dir="${moddir}/binaries/kernel-qcow2-linux/drivers/block/loop" + if [ -e "${kqcow_loop_kmod_dir}/loop.ko" ] && \ + [ -e "${kqcow_loop_kmod_dir}/loop_file_fmt_raw.ko" ] && \ + [ -e "${kqcow_loop_kmod_dir}/loop_file_fmt_qcow.ko" ]; then + mkdir -p "${initdir}/${block_kmod_dir}/loop" + for kmod in "${kqcow_loop_kmod_dir}/"*.ko ; do + inst "$kmod" "${block_kmod_dir}/loop/$(basename $kmod)" + done + fi +} +install() { + # region binaries + inst "$moddir/binaries/dnbd3/build/dnbd3-client" /usr/local/bin/dnbd3-client + inst "$moddir/binaries/systemd-preserve-process-marker/systemd-preserve-process-marker" \ + /usr/local/bin/systemd-preserve-process-marker + # xmount + local \ + xmount_installation="$moddir/binaries/xmount/trunk/build/release_build" + if [[ -f "${xmount_installation}/usr/bin/xmount" ]]; then + inst "${xmount_installation}/usr/bin/xmount" /usr/bin/xmount + for file in ${xmount_installation}/usr/lib/xmount/*; do + inst "$file" /usr/lib/xmount/"$(basename "$file")" + done + inst "$moddir/binaries/qemu-xmount/libxmount_input_qemu.so" \ + /usr/lib/xmount/libxmount_input_qemu.so + # HACK fix missing libraries for some xmount input libs + # TODO copy the dependencies using dracut functions... + inst_libdir_file 'libafflib.so*' + inst_libdir_file 'libewf.so*' + fi + # kqcow2 losetup + local losetup_qcow2_dir="$moddir/binaries/kernel-qcow2-util-linux" + if [[ -f "${losetup_qcow2_dir}/.libs/losetup" ]]; then + inst "${losetup_qcow2_dir}/.libs/losetup" /usr/local/bin/losetup + mkdir -p "${initdir}/usr/local/lib" + cp -a "${losetup_qcow2_dir}/.libs/"*.so* "${initdir}/usr/local/lib" + fi + # endregion + # region hooks + inst_hook cmdline 00 "$moddir/hooks/enable-sysrq.sh" + # NOTE: Can be used to support old style ip append syntax and have an + # exclusive interface name - required when using dracut's regular + # 'network' module + dracut_module_included "network" && inst_hook cmdline 10 \ + "$moddir/hooks/prepare-kernel-command-line-parameter.sh" + inst_hook cmdline 90 "$moddir/hooks/set-dracut-environment-variables.sh" + inst_hook pre-udev 00 "$moddir/hooks/load-custom-kernel-modules.sh" + # Get the openslx config from the servers configured in the kernel command + # line (${SLX_SERVER}/${SLX_SERVER_BASE}/config). + inst_hook pre-mount 10 "$moddir/hooks/fetch-config.sh" + # make the final blockdevice for the root system (dnbd3 -> xmount -> + # device-mapper) + if dracut_module_included "systemd-initrd"; then + inst "$moddir/hooks/prepare-root-partition.sh" \ + /usr/local/bin/dnbd3root + inst_simple "${moddir}/services/dnbd3root.service" \ + "${systemdsystemunitdir}/dnbd3root.service" + mkdir --parents \ + "${initdir}/${systemdsystemunitdir}/dracut-mount.service.requires" + ln_r "${systemdsystemunitdir}/dnbd3root.service" \ + "${systemdsystemunitdir}/dracut-mount.service.requires/dnbd3root.service" + mkdir --parents \ + "${initdir}/${systemdsystemunitdir}/initrd.target.requires" + ln_r "${systemdsystemunitdir}/dnbd3root.service" \ + "${systemdsystemunitdir}/initrd.target.requires/dnbd3root.service" + # Copy systemd services to new root (so they don't get killed after + # switch_root) + inst_hook pre-pivot 00 \ + "$moddir/hooks/copy-dnbd3-service-into-newroot.sh" + inst_hook pre-pivot 00 \ + "$moddir/hooks/copy-dracut-systemd-files-into-newroot.sh" + inst_hook pre-shutdown 00 "$moddir/hooks/shutdown-umount.sh" + else + inst_hook pre-mount 10 "$moddir/hooks/prepare-root-partition.sh" + fi + inst_hook mount 10 "$moddir/hooks/mount-root-device.sh" + inst_hook pre-pivot 00 \ + "$moddir/hooks/copy-openslx-configuration-into-newroot.sh" + # endregion + # region scripts + # endregion + # region configuration files + # Use terminal readline settings from the template system. + inst /etc/inputrc /etc/inputrc + # Set some aliases for the initramfs context. + if [[ "$_debug" == 0 ]]; then + inst "$moddir/configuration/bash" '/etc/bash.bashrc' + inst "$moddir/configuration/bash" '/etc/profile.d/aliases' + fi + # endregion + inst_multiple \ + awk \ + basename bash blockdev \ + cat cut curl \ + dd diff dirname dmsetup \ + find \ + grep \ + insmod \ + lsblk \ + mkfifo mktemp mount mountpoint \ + sed sleep sort \ + tee touch tr +} |