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#!/bin/bash
source "$(dirname "${BASH_SOURCE[0]}")/scripts/rebash/core.sh"
core.import exceptions
core.import logging
core.import utils
# TODO set log level via dracut logging options
logging.set_log_level debug
logging.set_commands_log_level debug
core.import "$(core_abs_path "$(dirname "${BASH_SOURCE[0]}")/scripts/build.sh")"
clean() {
# NOTE: This method is currently triggered manually and not supported by
# dracut itself.
if [[ -f "$moddir/binaries/nbd/nbd.ko" ]]; then
build_clean_nbd "$moddir/binaries/nbd/"
fi
if [[ -f "$moddir/binaries/dnbd3/build/dnbd3.ko" || ! -f "$moddir/binaries/dnbd3/build/dnbd3-client" ]]; then
build_clean_dnbd3 "$moddir/binaries/dnbd3/"
fi
if [[ -f "$moddir/binaries/systemd-preserve-process-marker/systemd-preserve-process-marker" ]]; then
build_clean_systemd_preserve_process_marker \
"$moddir/binaries/systemd-preserve-process-marker/"
fi
return 0
}
check() {
exceptions.activate
if [[ ! -f "$moddir/binaries/nbd/nbd.ko" ]]; then
build_compile_nbd "$moddir/binaries/nbd/"
fi
if [[ ! -f "$moddir/binaries/dnbd3/build/dnbd3.ko" ]] || \
[[ ! -f "$moddir/binaries/dnbd3/build/dnbd3-client" ]]
then
build_compile_dnbd3 "$moddir/binaries/dnbd3/"
fi
if [[ ! -f "$moddir/binaries/systemd-preserve-process-marker/systemd-preserve-process-marker" ]]; then
build_compile_systemd_preserve_process_marker \
"$moddir/binaries/systemd-preserve-process-marker/"
fi
if [[ ! -f "$moddir/binaries/qemu/qemu-nbd" ]]; then
build_compile_qemu_nbd "$moddir/binaries/qemu/"
fi
# NOTE: This are workarounds for:
# - distributions where "systemd-udevd" doesn't lives in "/usr/lib" but in
# "/lib".
local alternate_systemd_udevd_location='/lib/systemd/systemd-udevd'
if [[ ! -f "${systemdutildir}/systemd-udevd" ]] && \
[[ -f "$alternate_systemd_udevd_location" ]]; then
mkdir --parents "${initdir}${systemdutildir}"
ln --symbolic --force "$alternate_systemd_udevd_location" \
"${initdir}${systemdutildir}/systemd-udevd"
#cp "$alternate_systemd_udevd_location" \
# "${initdir}${systemdutildir}/systemd-udevd"
fi
# - "/usr/bin/sh" isn't available.
if [[ ! -f /usr/bin/sh ]] && [[ -f /bin/sh ]]; then
ln --symbolic --force /bin/sh /usr/bin/sh
fi
exceptions.deactivate
return 0
}
depends() {
# DEBUG: echo base network bash kernel-modules systemd-initrd dracut-systemd fs-lib rootfs-block
echo base network bash kernel-modules
# NOTE: btrfs module should be used if it would work.
}
installkernel() {
inst "$moddir/binaries/dnbd3/build/dnbd3.ko" \
/usr/lib/modules/current/extra/dnbd3.ko
inst "$moddir/binaries/nbd/nbd.ko" \
/usr/lib/modules/current/extra/nbd.ko
# Debugging:
instmods cfg80211 rfkill vboxsf nls_iso8859_1 ppdev nls_cp437 iosf_mbi \
vfat fat snd_intel8x0 crct10dif_pclmul crc32_pclmul input_leds \
led_class aesni_intel evdev aes_x86_64 lrw joydev gf128mul \
snd_ac97_codec glue_helper ablk_helper cryptd psmouse ac97_bus \
snd_pcm vboxvideo mousedev serio_raw pcspkr mac_hid snd_timer battery \
video snd ac acpi_cpufreq processor button parport_pc e1000 parport \
drm intel_agp soundcore intel_gtt vboxguest i2c_piix4 sch_fq_codel \
ip_tables x_tables hid_generic usbhid hid xor raid6_pq sr_mod \
cdrom sd_mod ata_generic pata_acpi atkbd libps2 i8042 serio ohci_pci \
ohci_hcd crc32c_intel usbcore ahci usb_common libahci ata_piix libata \
scsi_mod \
ext4 dm_snapshot btrfs crc32c
# Production:
# instmods ext4 dm_snapshot btrfs crc32c
# NOTE: btrfs crc32c should usually be included by the btrfs dracut module.
}
install() {
# region binaries
inst "$moddir/binaries/dnbd3/build/dnbd3-client" /usr/bin/dnbd3-client
inst "$moddir/binaries/systemd-preserve-process-marker/systemd-preserve-process-marker" \
/usr/bin/systemd-preserve-process-marker
# TODO: static linked qemu-nbd still needed?
inst "$moddir/binaries/qemu/qemu-nbd" /usr/bin/qemu-nbd
# endregion
# region hooks
inst_hook cmdline 00 "$moddir/hooks/enable-sysrq.sh"
inst_hook cmdline 10 "$moddir/hooks/prepare-kernel-command-line-parameter.sh"
inst_hook cmdline 90 "$moddir/hooks/set-dracut-environment-variables.sh"
# load nbd.ko, dnbd3.ko
inst_hook pre-udev 00 "$moddir/hooks/load-custom-kernel-modules.sh"
if dracut_module_included "systemd-initrd"; then
# TODO analyze qemu-nbd pivot-root bug!
inst_script "$moddir/services/dnbd3-generator.sh" \
$systemdutildir/system-generators/dnbd3-generator
inst "$moddir/hooks/prepare-root-partition.sh" \
/sbin/dnbd3root
inst "$moddir/hooks/fetch-config.sh" \
/sbin/fetch-config
#region old approach
#inst_simple "${moddir}/services/dnbd3root.service" \
#"${systemdsystemunitdir}/dnbd3root.service"
#mkdir -p "${initdir}/${systemdsystemunitdir}/sysinit.target.wants"
#ln_r "${systemdsystemunitdir}/dnbd3root.service" \
#"${systemdsystemunitdir}/sysinit.target.wants/dnbd3root.service"
# don't kill at switch_root
#mkdir -p "${initdir}/${systemdsystemunitdir}/initrd-root-fs.target.wants"
#ln_r "${systemdsystemunitdir}/dnbd3root.service" \
#"${systemdsystemunitdir}/initrd-root-fs.target.wants/dnbd3root.service"
# todo don't kill after switch_root
#works if initrd-root-fs wants dnbd3.service (on /sysroot)
#endregion
else
# get the openslx config from the servers configured in the kernel command
# line (${SLX_SERVER}/${SLX_SERVER_BASE}/config)
inst_hook pre-mount 00 "$moddir/hooks/fetch-config.sh"
# make the final blockdevice for the root system (dnbd3 -> qemu-nbd ->
# device-mapper)
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 "$moddir/hooks/copy-openslx-configuration-into-newroot.sh"
#inst_hook pre-pivot 00 "$moddir/hooks/mount-tmp.sh"
# endregion
# region scripts
local file_path
for file_path in "$moddir/scripts/rebash/"*; do
inst "$file_path" "/usr/lib/rebash/$(basename "$file_path")"
done
# TODO currently not used
# This script is triggered by udev upon finding the right partitions for
# persistent sessions.
#inst "$moddir/scripts/prepare-persistent-disks" \
#/sbin/prepare-persistent-disks
# endregion
# region configuration files
# TODO currently not used
# Udev rules detecting 44, 45, 46 partitions and running
# "prepare-persistent-disks" to prepare persistent partitions.
#inst "$moddir/udev/70-openslx-disk.rules" /etc/udev/rules.d/70-openslx-disk.rules
# Use terminal readline settings from the template system.
inst /etc/inputrc /etc/inputrc
# endregion
# Debugging:
inst_multiple lsblk ping ip ifconfig sshd htop tail head vim touch sed \
lsmod sleep route wget find lsof strace chroot switch_root pivot_root \
mount fdisk mkfs.xfs env busybox ps agetty tree \
insmod blockdev partx dmsetup sed cut awk tr insmod \ #qemu-nbd \
blockdev partx dmsetup cat cut awk losetup dd mkfs.ext4 grep \
basename dirname sort mktemp diff qemu-img
# Production:
# inst_multiple insmod blockdev partx dmsetup sed cat cut awk tr touch \
# losetup grep basename dirname mktemp diff sleep wget mount sort \
# qemu-nbd bash
}
# region vim modline
# vim: set tabstop=4 shiftwidth=4 expandtab:
# vim: foldmethod=marker foldmarker=region,endregion:
# endregion
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