moved all dracut modules to modules.d/ + support

11 files changed, 531 insertions, 0 deletions

diff --git a/builder/modules.d/dnbd3-rootfs/hooks/copy-dnbd3-service-into-newroot.sh b/builder/modules.d/dnbd3-rootfs/hooks/copy-dnbd3-service-into-newroot.sh
new file mode 100755
index 00000000..ee308af6
--- /dev/null
+++ b/builder/modules.d/dnbd3-rootfs/hooks/copy-dnbd3-service-into-newroot.sh
@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+# -*- coding: utf-8 -*-
+# region imports
+source '/usr/lib/rebash/core.sh'
+core.import exceptions
+core.import logging
+type emergency_shell >/dev/null 2>&1 || source /lib/dracut-lib.sh
+# endregion
+exceptions.try
+{
+logging.set_commands_level debug
+logging.set_level debug
+[[ "$SLX_LOG_FILE_PATH" == "" ]] && SLX_LOG_FILE_PATH=/var/log/openslx
+logging.set_log_file "$SLX_LOG_FILE_PATH"
+
+systemd_system_unit_path="$(dirname "$(find / -name dracut-mount.service \
+    -type f -print -quit)")"
+new_systemd_system_unit_path="${NEWROOT}/lib/systemd/system"
+cp "${systemd_system_unit_path}/dnbd3root.service" \
+    "${new_systemd_system_unit_path}/dnbd3root.service"
+mkdir --parents "${new_systemd_system_unit_path}/sysinit.target.wants"
+! ln --symbolic '../dnbd3root.service' \
+    "${new_systemd_system_unit_path}/sysinit.target.wants/dnbd3root.service"
+}
+exceptions.catch
+{
+    logging.error "$exceptions_last_traceback"
+    emergency_shell "error in ${BASH_SOURCE[0]}"
+}
+# region vim modline
+# vim: set tabstop=4 shiftwidth=4 expandtab:
+# vim: foldmethod=marker foldmarker=region,endregion:
+# endregion
diff --git a/builder/modules.d/dnbd3-rootfs/hooks/copy-dracut-systemd-files-into-newroot.sh b/builder/modules.d/dnbd3-rootfs/hooks/copy-dracut-systemd-files-into-newroot.sh
new file mode 100755
index 00000000..a887d8c9
--- /dev/null
+++ b/builder/modules.d/dnbd3-rootfs/hooks/copy-dracut-systemd-files-into-newroot.sh
@@ -0,0 +1,66 @@
+#!/usr/bin/env bash
+# -*- coding: utf-8 -*-
+# region imports
+source '/usr/lib/rebash/core.sh'
+core.import exceptions
+core.import logging
+type emergency_shell >/dev/null 2>&1 || source /lib/dracut-lib.sh
+# endregion
+exceptions.try
+{
+logging.set_commands_level debug
+logging.set_level debug
+[[ "$SLX_LOG_FILE_PATH" == "" ]] && SLX_LOG_FILE_PATH=/var/log/openslx
+logging.set_log_file "$SLX_LOG_FILE_PATH"
+
+# Needed to be able to go back to dracut at system shutdown.
+temporary_directory_path="$(mktemp --directory)"
+mount --options bind / "$temporary_directory_path"
+cp --recursive --no-target-directory "$temporary_directory_path" /run/initramfs
+umount "$temporary_directory_path"
+rm --dir "$temporary_directory_path"
+}
+exceptions.catch
+{
+    logging.warn "Failed to copy initramfs to /run/initramfs, shutdown hooks" \
+        "will not work."
+}
+
+exceptions.try
+{
+# Dracut may not be installed on the new root. Thus copy all services over.
+systemd_system_unit_path="$(dirname "$(find / -name dracut-mount.service \
+    -type f -print -quit)")"
+new_systemd_system_unit_path="${NEWROOT}/lib/systemd/system"
+
+mkdir --parents "$new_systemd_system_unit_path/initrd.target.wants"
+for file in \
+    dracut-cmdline.service \
+    dracut-initqueue.service \
+    dracut-mount.service \
+    dracut-pre-mount.service \
+    dracut-pre-pivot.service \
+    dracut-pre-trigger.service \
+    dracut-pre-udev.service
+do
+    cp "${systemd_system_unit_path}/${file}" \
+        "${new_systemd_system_unit_path}/${file}"
+    # "ln" returns an error if the link already exists.
+    source_path="../${file}"
+    target_path="${new_systemd_system_unit_path}/initrd.target.wants/${file}"
+    ln --symbolic "$source_path" "$targetPath" &>/dev/null || \
+    logging.warn "Failed to link \"$source_path\" to \"$target_path\"."
+done
+}
+exceptions.catch
+{
+    logging.error "$exceptions_last_traceback"
+    emergency_shell "error in ${BASH_SOURCE[0]}"
+}
+
+# region vim modline
+
+# vim: set tabstop=4 shiftwidth=4 expandtab:
+# vim: foldmethod=marker foldmarker=region,endregion:
+
+# endregion
diff --git a/builder/modules.d/dnbd3-rootfs/hooks/copy-openslx-configuration-into-newroot.sh b/builder/modules.d/dnbd3-rootfs/hooks/copy-openslx-configuration-into-newroot.sh
new file mode 100755
index 00000000..6a56f857
--- /dev/null
+++ b/builder/modules.d/dnbd3-rootfs/hooks/copy-openslx-configuration-into-newroot.sh
@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+# -*- coding: utf-8 -*-
+# region imports
+source '/usr/lib/rebash/core.sh'
+core.import exceptions
+core.import logging
+type emergency_shell >/dev/null 2>&1 || source /lib/dracut-lib.sh
+# endregion
+exceptions.try
+{
+source "/etc/openslx"
+logging.set_commands_level debug
+logging.set_level debug
+[[ "$SLX_LOG_FILE_PATH" == "" ]] && SLX_LOG_FILE_PATH=/var/log/openslx
+logging.set_log_file "$SLX_LOG_FILE_PATH"
+
+mkdir --parents "${NEWROOT}${SLX_CONFIGURATION_LOCATION}"
+cp "/etc/openslx" "${NEWROOT}${SLX_CONFIGURATION_LOCATION}"
+}
+exceptions.catch
+{
+    logging.error "$exceptions_last_traceback"
+    emergency_shell "error in ${BASH_SOURCE[0]}"
+}
+# region vim modline
+# vim: set tabstop=4 shiftwidth=4 expandtab:
+# vim: foldmethod=marker foldmarker=region,endregion:
+# endregion
diff --git a/builder/modules.d/dnbd3-rootfs/hooks/enable-sysrq.sh b/builder/modules.d/dnbd3-rootfs/hooks/enable-sysrq.sh
new file mode 100755
index 00000000..f159e3ae
--- /dev/null
+++ b/builder/modules.d/dnbd3-rootfs/hooks/enable-sysrq.sh
@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+# -*- coding: utf-8 -*-
+
+# Enables magic sysrq kernel supported key combinations.
+echo 1 > /proc/sys/kernel/sysrq
+
+# region vim modline
+# vim: set tabstop=4 shiftwidth=4 expandtab:
+# vim: foldmethod=marker foldmarker=region,endregion:
+# endregion
diff --git a/builder/modules.d/dnbd3-rootfs/hooks/fetch-config.sh b/builder/modules.d/dnbd3-rootfs/hooks/fetch-config.sh
new file mode 100755
index 00000000..23c5f004
--- /dev/null
+++ b/builder/modules.d/dnbd3-rootfs/hooks/fetch-config.sh
@@ -0,0 +1,53 @@
+#!/usr/bin/env bash
+# -*- coding: utf-8 -*-
+# region imports
+source '/usr/lib/rebash/core.sh'
+core.import exceptions
+core.import logging
+type emergency_shell >/dev/null 2>&1 || source /lib/dracut-lib.sh
+# endregion
+exceptions.try
+{
+logging.set_commands_level debug
+logging.set_level debug
+[[ "$SLX_LOG_FILE_PATH" == "" ]] && SLX_LOG_FILE_PATH=/var/log/openslx
+logging.set_log_file "$SLX_LOG_FILE_PATH"
+
+# NOTE: "getarg" raises an exception so deactivate exceptions for now.
+exceptions.deactivate
+configuration_file_name="$(getarg slx_configuration_filename=)"
+if [ -z "$configuration_file_name" ]; then
+    configuration_file_name='config'
+fi
+slx_server="$(getarg slxsrv=)"
+slx_server_base="$(getarg slxbase=)"
+exceptions.activate
+
+logging.info 'Getting configuration file.'
+IFS_backup="$IFS"
+IFS=','
+for host in ${slx_server}; do
+    logging.info "Trying host \"$host\"."
+    if wget --timeout 5 \
+        "http://${host}/${slx_server_base}/${configuration_file_name}" \
+        --output-document '/etc/openslx'
+    then
+        break
+    fi
+done
+IFS="$IFS_backup"
+
+if [[ ! -e "/etc/openslx" ]]; then
+    logging.warn "Downloading OpenSLX configuration file from any of the servers \"${slx_server}\" at location \"${slx_server_base}/${configuration_file_name}\" failed. Return code: $return_code"
+    exit 1
+fi
+}
+exceptions.catch
+{
+    logging.error "$exceptions_last_traceback"
+    emergency_shell "error in ${BASH_SOURCE[0]}"
+}
+# region vim modline
+# vim: set tabstop=4 shiftwidth=4 expandtab:
+# vim: foldmethod=marker foldmarker=region,endregion:
+# endregion
diff --git a/builder/modules.d/dnbd3-rootfs/hooks/load-custom-kernel-modules.sh b/builder/modules.d/dnbd3-rootfs/hooks/load-custom-kernel-modules.sh
new file mode 100755
index 00000000..fe153265
--- /dev/null
+++ b/builder/modules.d/dnbd3-rootfs/hooks/load-custom-kernel-modules.sh
@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+# -*- coding: utf-8 -*-
+# region imports
+source '/usr/lib/rebash/core.sh'
+core.import exceptions
+core.import logging
+type emergency_shell >/dev/null 2>&1 || source /lib/dracut-lib.sh
+# endregion
+exceptions.try
+{
+DNBD3_MOD_PATH="/usr/lib/modules/current/extra/dnbd3.ko"
+
+if [ ! -e "${DNBD3_MOD_PATH}" ]; then
+    logging.warn "No such file of directory: ${DNBD3_MOD_PATH}"
+    exit 1
+fi
+
+# load the kernel modules for dnbd3 and nbd
+if ! insmod "${DNBD3_MOD_PATH}"; then
+    logging.warn "Failed to load DNBD3 kernel module..."
+    exit 1
+fi
+}
+exceptions.catch
+{
+    logging.error "$exceptions_last_traceback"
+    emergency_shell "error in ${BASH_SOURCE[0]}"
+}
+# region vim modline
+# vim: set tabstop=4 shiftwidth=4 expandtab:
+# vim: foldmethod=marker foldmarker=region,endregion:
+# endregion
diff --git a/builder/modules.d/dnbd3-rootfs/hooks/mount-root-device.sh b/builder/modules.d/dnbd3-rootfs/hooks/mount-root-device.sh
new file mode 100755
index 00000000..35443def
--- /dev/null
+++ b/builder/modules.d/dnbd3-rootfs/hooks/mount-root-device.sh
@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+# -*- coding: utf-8 -*-
+# region imports
+source '/usr/lib/rebash/core.sh'
+core.import exceptions
+type emergency_shell >/dev/null 2>&1 || source /lib/dracut-lib.sh
+# endregion
+exceptions.try
+{
+logging.set_commands_level debug
+logging.set_level debug
+[[ "$SLX_LOG_FILE_PATH" == "" ]] && SLX_LOG_FILE_PATH=/var/log/openslx
+logging.set_log_file "$SLX_LOG_FILE_PATH"
+
+if ! getarg root=; then
+    source "/etc/openslx"
+    mount /dev/mapper/root "$NEWROOT" $SLX_MOUNT_ROOT_OPTIONS
+    if [ -n "$SLX_GENERATE_FSTAB_SCRIPT" ]; then
+        eval "$SLX_GENERATE_FSTAB_SCRIPT"
+    else
+        echo "" > "$NEWROOT/etc/fstab"
+    fi
+fi
+}
+exceptions.catch
+{
+    logging.error "$exceptions_last_traceback"
+    emergency_shell "error in ${BASH_SOURCE[0]}"
+}
+# region vim modline
+# vim: set tabstop=4 shiftwidth=4 expandtab:
+# vim: foldmethod=marker foldmarker=region,endregion:
+# endregion
diff --git a/builder/modules.d/dnbd3-rootfs/hooks/prepare-kernel-command-line-parameter.sh b/builder/modules.d/dnbd3-rootfs/hooks/prepare-kernel-command-line-parameter.sh
new file mode 100755
index 00000000..20041ecf
--- /dev/null
+++ b/builder/modules.d/dnbd3-rootfs/hooks/prepare-kernel-command-line-parameter.sh
@@ -0,0 +1,89 @@
+#!/usr/bin/env bash
+# -*- coding: utf-8 -*-
+# region imports
+source '/usr/lib/rebash/core.sh'
+core.import exceptions
+core.import logging
+# endregion
+(
+logging.set_commands_level debug
+logging.set_level debug
+[[ "$SLX_LOG_FILE_PATH" == "" ]] && SLX_LOG_FILE_PATH=/var/log/openslx
+logging.set_log_file "$SLX_LOG_FILE_PATH"
+
+SLX_INITIAL_KERNEL_COMMAND_LINE="$(cat /proc/cmdline | tr --delete '\n')"
+
+# This location will be used to have a writable kernel command line file
+# location.
+writeable_proc_cmdline_path='/writable_proc_cmdline/'
+mkdir --parents "$writeable_proc_cmdline_path"
+# NOTE: The fake writeable overlay have to be a temporary filesystem for the
+# hack to work.
+mount --types tmpfs tmpfs "$writeable_proc_cmdline_path"
+echo -n "$SLX_INITIAL_KERNEL_COMMAND_LINE" > \
+    "${writeable_proc_cmdline_path}/cmdline"
+
+logging.debug \
+    '-----------------------Kernel-Command-Line:------------------------------'
+logging.debug "${SLX_INITIAL_KERNEL_COMMAND_LINE}"
+logging.debug \
+    '-------------------------------------------------------------------------'
+
+for parameter in $(getargs BOOTIF=); do
+    logging.debug "PXE given boot interface $parameter"
+    dracut_interface_name="bootnet:$(echo $parameter | \
+        sed --regexp-extended 's/.{2}[:\-]((.{2}[:\-]){5}.{2})/\1/' | \
+        sed s/-/:/g)"
+    logging.debug "Dracut interface name is: $dracut_interface_name"
+    logging.plain -n " ifname=$dracut_interface_name" >> \
+        "${writeable_proc_cmdline_path}cmdline"
+done
+for parameter in $(getargs ip=); do
+    temp="$parameter:"
+    set --
+    while [ -n "$temp" ]; do
+        set -- "$@" "${temp%%:*}"
+        temp=${temp#*:}
+    done
+
+    [ -n "$1" ] && ip=$1
+    [ -n "$2" ] && server_ip=$2
+    [ -n "$3" ] && gateway_ip=$3
+    [ -n "$4" ] && net_mask=$4
+
+    logging.debug "PXE given net configuration: ip: $ip server_ip: $server_ip gateway_ip: $gateway_ip net_mask: $net_mask"
+    dracut_ip_configuration="$ip::$gateway_ip:$net_mask::bootnet:off"
+    logging.debug "Dracut ip configuration is: $dracut_ip_configuration"
+    sed --regexp-extended "s/ip=[^ ]*/ip=$dracut_ip_configuration/g" \
+        --in-place "${writeable_proc_cmdline_path}cmdline"
+done
+
+if [ -z "$dracut_ip_configuration" ]; then
+    logging.warn 'No "ip" parameter found in the kernel command line.'
+fi
+if [ -z "$dracut_interface_name" ]; then
+    logging.warn 'No "BOOTIF" parameter found in the kernel command line.'
+fi
+mount --options bind "${writeable_proc_cmdline_path}cmdline" /proc/cmdline
+
+if [ -z "$(getargs slxsrv=)" ]; then
+    logging.warn 'No "slxsrv" parameter found in the kernel command line.'
+    exit 1
+fi
+if [ -z "$(getargs slxbase=)" ]; then
+    logging.warn 'No "slxbase" parameter found in the kernel command line.'
+    exit 1
+fi
+
+logging.debug \
+    '-----------------------Dracut-Kernel-Command-Line:-----------------------'
+logging.debug "$(logging.cat /proc/cmdline)"
+logging.debug \
+    '-------------------------------------------------------------------------'
+)
+# region vim modline
+
+# vim: set tabstop=4 shiftwidth=4 expandtab:
+# vim: foldmethod=marker foldmarker=region,endregion:
+
+# endregion
diff --git a/builder/modules.d/dnbd3-rootfs/hooks/prepare-root-partition.sh b/builder/modules.d/dnbd3-rootfs/hooks/prepare-root-partition.sh
new file mode 100755
index 00000000..3e93253f
--- /dev/null
+++ b/builder/modules.d/dnbd3-rootfs/hooks/prepare-root-partition.sh
@@ -0,0 +1,163 @@
+#!/usr/bin/env bash
+# region imports
+source '/usr/lib/rebash/core.sh'
+core.import '/usr/lib/openslx/tools.sh'
+core.import exceptions
+core.import utils
+core.import logging
+type emergency_shell >/dev/null 2>&1 || source /lib/dracut-lib.sh
+# endregion
+exceptions.try
+{
+source /etc/openslx
+logging.set_commands_level debug
+logging.set_level debug
+[[ "$SLX_LOG_FILE_PATH" == "" ]] && SLX_LOG_FILE_PATH=/var/log/openslx
+logging.set_log_file "$SLX_LOG_FILE_PATH"
+
+# region find writable partition
+if [[ "$SLX_WRITABLE_DEVICE_IDENTIFIER" != '' ]] &&
+    ! persistent_device="$(
+        tools.find_block_device "$SLX_WRITABLE_DEVICE_IDENTIFIER" '' \
+        "$SLX_WRITABLE_DEVICE_IDENTIFIER_TIMEOUT_IN_SECONDS"
+    )"
+then
+    logging.warn "Failed to find unique device with identifier" \
+        "\"${SLX_WRITABLE_DEVICE_IDENTIFIER}\"; matched devices:" \
+        "\"${persistent_device}\""
+fi
+if [ -n "$SLX_WRITABLE_DEVICE_STORAGE_FILE_PATH" ] && [ -n "$persistent_device" ]
+then
+    persistent_mountpoint=/mnt/slx_writable_device
+    storage_file_path="${persistent_mountpoint}/$SLX_WRITABLE_DEVICE_STORAGE_FILE_PATH"
+    ! mkdir --parents "$(dirname "$storage_file_path")"
+    if ! mount --type auto "$persistent_device" "$persistent_mountpoint"; then
+        logging.warn "Failed to mount $persistent_device, checking filesystem."
+        ! $SLX_WRITABLE_DEVICE_STORAGE_FILESYSTEM_CHECK_COMMAND \
+            "$persistent_device"
+        if ! mount --type auto "$persistent_device" "$persistent_mountpoint"
+        then
+            logging.warn "Mounting $persistent_device, still failing," \
+                "creating new filesystem on device"
+            $SLX_WRITABLE_DEVICE_STORAGE_FILESYSTEM_CREATE_COMMAND \
+                "$persistent_device"
+        fi
+        if ! mount --type auto "$persistent_device" "$persistent_mountpoint"
+        then
+            logging.warn "Mounting $persistent_device, still failing," \
+                "giving up, and using ramdisk"
+            persistent_device=""
+        fi
+    fi
+    if [ -n "$persistent_device" ]; then
+        if [ ! -e "$storage_file_path" ]; then
+            # Create a sparse file.
+            dd of="$storage_file_path" bs=1M \
+                seek="$SLX_WRITABLE_DEVICE_STORAGE_MAXIMUM_FILE_SIZE_IN_MB" count=0
+        fi
+        persistent_device="$(losetup --find)"
+        losetup "$persistent_device" "$storage_file_path"
+    fi
+fi
+
+# "P" for persistent storage, "N" for not persistent (affects dmsetup call,
+# see scripts/device-add-write-layer.sh)
+persistent='N'
+if [ -n "$persistent_device" ]; then
+    writable_device="$persistent_device"
+    if [ "$SLX_WRITABLE_DEVICE_PERSISTENT" = "yes" ]; then
+        persistent='P'
+    fi
+else
+    ramdisk_size_in_kb="$SLX_RAMDISK_SIZE_IN_KB"
+    if [ "$ramdisk_size_in_kb" = '' ]; then
+        ramdisk_size_in_kb="$(awk '/MemTotal/ {print $2}' /proc/meminfo)"
+    fi
+    # NOTE: If the kernel modul "brd" is compiled into current kernel we can't
+    # configure ram disk size dynamically. In this case it have to be
+    # configured via kernel command line: "brd.rd_size=SITE_IN_KILOBYTE"
+    # statically:
+    #! rmmod brd 2>/dev/null
+    #modprobe brd max_part=1 rd_size="$ramdisk_size_in_kb"
+    #writable_device='/dev/ram0'
+    ramdisk_location="$(mktemp)"
+    dd of="$ramdisk_location" seek="$ramdisk_size_in_kb" count=0 1>/dev/null
+    writable_device="$(losetup --find)"
+    losetup "$writable_device" "$ramdisk_location"
+fi
+# endregion
+# region connect dnbd3
+IFS_backup="$IFS"
+IFS=","
+return_code=1
+for host in ${SLX_DNBD3_SERVERS}; do
+    logging.info "Trying host \"$host\"."
+    if systemd-preserve-process-marker dnbd3-client --host "$host" --image \
+        "${SLX_DNBD3_IMAGE}" --device "$SLX_DNBD3_DEVICE" \
+        --rid "$SLX_DNBD3_RID"
+    then
+        return_code=0
+        break
+    fi
+done
+IFS="$IFS_backup"
+
+if [[ $return_code != 0 ]]; then
+    logging.warn "Failed to connect \"${SLX_DNBD3_IMAGE}\" (revision" \
+        "\"$SLX_DNBD3_RID\") from one of \"$SLX_DNBD3_SERVERS\" to" \
+        "\"$SLX_DNBD3_DEVICE\"."
+    exit 1
+fi
+# endregion
+# region scan partitions
+if [ "$SLX_LOG_FILE_PATH" != "" ]; then
+    read_only_device="$(container-unpack-xmount "$SLX_DNBD3_DEVICE" \
+        2>>"$SLX_LOG_FILE_PATH")"
+else
+    read_only_device="$(container-unpack-xmount "$SLX_DNBD3_DEVICE")"
+fi
+
+
+# Fail fast if no device could be determined.
+[ -z "$read_only_device" ] && exit 1
+# endregion
+# region find read-only partition
+if [ -z "$SLX_SYSTEM_PARTITION_PREPARATION_SCRIPT" ]; then
+    if [ -z "$SLX_SYSTEM_PARTITION_IDENTIFIER" ]; then
+        # if empty use whole device
+        read_only_partition="$read_only_device"
+        true
+    else
+        read_only_partition="$(tools.find_block_device \
+            "$SLX_SYSTEM_PARTITION_IDENTIFIER" "$read_only_device")"
+    fi
+else
+    eval "$SLX_SYSTEM_PARTITION_PREPARATION_SCRIPT"
+fi
+if [[ ! $? || -z "$read_only_partition" ]]; then
+    logging.error "Failed to find unique device with identifier" \
+        "\"${SLX_SYSTEM_PARTITION_IDENTIFIER}\"; matched devices:" \
+        "\"${read_only_partition}\""
+    exit 1
+fi
+# endregion
+
+logging.info "Using read-only partition: $read_only_partition"
+logging.info "Using writable device $writable_device, persistency: $persistent"
+
+# combine devices with device mapper
+device-add-write-layer "root" "$read_only_partition" "$writable_device" \
+    "$persistent"
+
+}
+exceptions.catch
+{
+    logging.error "$exceptions_last_traceback"
+    emergency_shell "error in ${BASH_SOURCE[0]}"
+}
+# region vim modline
+
+# vim: set tabstop=4 shiftwidth=4 expandtab:
+# vim: foldmethod=marker foldmarker=region,endregion:
+
+# endregion
diff --git a/builder/modules.d/dnbd3-rootfs/hooks/set-dracut-environment-variables.sh b/builder/modules.d/dnbd3-rootfs/hooks/set-dracut-environment-variables.sh
new file mode 100755
index 00000000..ad80349b
--- /dev/null
+++ b/builder/modules.d/dnbd3-rootfs/hooks/set-dracut-environment-variables.sh
@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+# -*- coding: utf-8 -*-
+
+# Set rootok and root as dracut expects them to be set by the module preparing
+# the root filesystem.
+
+# Tell dracut that we parsed the command line and all needed parameters are
+# available.
+rootok=1
+# Tell dracut where the final root fs will be located.
+root=block:/dev/devicemapper/root
+
+# region vim modline
+# vim: set tabstop=4 shiftwidth=4 expandtab:
+# vim: foldmethod=marker foldmarker=region,endregion:
+# endregion
diff --git a/builder/modules.d/dnbd3-rootfs/hooks/shutdown-umount.sh b/builder/modules.d/dnbd3-rootfs/hooks/shutdown-umount.sh
new file mode 100644
index 00000000..29b52187
--- /dev/null
+++ b/builder/modules.d/dnbd3-rootfs/hooks/shutdown-umount.sh
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+source /etc/openslx
+
+umount /oldroot
+dmsetup --noudevsync remove root
+losetup --detach-all
+umount /mnt/*
+dnbd3-client --device "$SLX_DNBD3_DEVICE" --close