moved all dracut modules to modules.d/ + support

1 files changed, 269 insertions, 0 deletions

diff --git a/builder/modules.d/dnbd3-rootfs/module-setup.sh b/builder/modules.d/dnbd3-rootfs/module-setup.sh
new file mode 100755
index 00000000..549900ad
--- /dev/null
+++ b/builder/modules.d/dnbd3-rootfs/module-setup.sh
@@ -0,0 +1,269 @@
+#!/usr/bin/env bash
+# -*- coding: utf-8 -*-
+# region imports
+source "$(dirname "${BASH_SOURCE[0]}")/scripts/rebash/core.sh"
+core.import exceptions
+core.import logging
+core.import utils
+core.import "$(core_abs_path "$(dirname "${BASH_SOURCE[0]}")/scripts/build.sh")"
+# endregion
+# region forward "build-initrfams.sh" logging configuration if present.
+_parse_dracut_args() {
+    local __doc__='
+    Set log level via dracut logging options and returns current debug state.
+
+    >>> echo "$_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 $?
+}
+_debug=0
+_parse_dracut_args ${dracut_args[*]} || _debug=$?
+# endregion
+clean() {
+    local __doc__='
+    Removes all compiled kernel specific files.
+    NOTE: This method is triggered manually and not supported by dracut itself.
+
+    Example:
+
+    `clean`
+    '
+    build_clean_xmount "$moddir/binaries/xmount/"
+    build_clean_qemu_xmount "$moddir/binaries/qemu-xmount/"
+    build_clean_dnbd3 "$moddir/binaries/dnbd3/"
+    build_clean_systemd_preserve_process_marker \
+        "$moddir/binaries/systemd-preserve-process-marker/"
+    return 0
+}
+# region dracut plugin api
+check() {
+    local __doc__='
+    Checks wether all template system assumptions are satisfied.
+
+    Example:
+
+    `check`
+    '
+    exceptions.activate
+    # NOTE: xmount must be compiled before qemu_xmount
+    local xmount_is_built=true
+    if [[ ! -f "$moddir/binaries/xmount/trunk/build/src/xmount" ]]; then
+        if ! build_compile_xmount "$moddir/binaries/xmount/"; then
+            xmount_is_built=false
+        fi
+    fi
+    if $xmount_is_built && [[ \
+        ! -f "$moddir/binaries/qemu-xmount/libxmount_input_qemu.so" \
+    ]]; then
+        build_compile_qemu_xmount "$moddir/binaries/qemu-xmount/" || \
+        xmount_is_built=false
+    fi
+    $xmount_is_built || logging.warn \
+        "Compiling \"xmount\" failed -> No support for container files (only raw images)."
+
+    if [[ ! -f "$moddir/binaries/dnbd3/build/dnbd3.ko" ]] || \
+       [[ ! -f "$moddir/binaries/dnbd3/build/dnbd3-client" ]]
+    then
+        build_compile_dnbd3 "$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/"
+            [[ $? != 0 ]] && return 1
+    fi
+    # NOTE: This are workarounds for:
+    # - distributions where "systemd-udevd" doesn't lives in "/usr/lib" but in
+    #   "/lib".
+    local alternate_systemd_udevd_location='/lib/systemd/systemd-udevd'
+    if [[ ! -f "${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}${systemdutildir}/systemd-udevd" 1>&2
+    fi
+    # - "/usr/bin/sh" isn't available but "/bin/sh".
+    if [[ ! -f /usr/bin/sh ]] && [[ -f /bin/sh ]]; then
+        ln --symbolic --force /bin/sh /usr/bin/sh
+    fi
+    exceptions.deactivate
+    # Tell dracut that this module should only be included if it is required
+    # explicitly.
+    return 255
+}
+depends() {
+    local __doc__='
+    Outputs all dependent dracut modules to make this module work.
+
+    >>> depends
+    +doc_test_contains
+    base
+    '
+    echo base network bash kernel-modules shutdown
+}
+installkernel() {
+    local __doc__='
+    Copies all needed kernel modules into initramfs file needed work at
+    runtime.
+
+    Example:
+
+    `installkernel`
+    '
+    inst "$moddir/binaries/dnbd3/build/dnbd3.ko" \
+        /usr/lib/modules/current/extra/dnbd3.ko
+    instmods dm_snapshot btrfs crc32c
+}
+install() {
+    local __doc__='
+    Copies all needed files into the initramfs image and registers all needed
+    dracut hooks.
+
+    Example:
+
+    `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
+    inst "$moddir/scripts/device-add-write-layer.sh" \
+        /usr/bin/device-add-write-layer
+    inst "$moddir/scripts/container-unpack-xmount.sh" \
+        /usr/bin/container-unpack-xmount
+    # xmount
+    local \
+        xmount_installation="$moddir/binaries/xmount/trunk/build/release_build"
+    inst "${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 "$moddir/binaries/qemu-xmount/libxmount_input_qemu.so" \
+        /usr/lib/xmount/libxmount_input_qemu.so
+    # endregion
+    # region hooks
+    inst_hook cmdline 00 "$moddir/hooks/enable-sysrq.sh"
+    # NOTE: Can be used to support old style ip append syntax and have an
+    # exclusive interface name.
+    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}/${SLX_SERVER_BASE}/config).
+    inst_hook pre-mount 00 "$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 "$moddir/hooks/prepare-root-partition.sh" \
+            /usr/bin/dnbd3root
+        inst_simple "${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 \
+        "$moddir/hooks/copy-openslx-configuration-into-newroot.sh"
+    # endregion
+    # region scripts
+    local file_path
+    for file_path in "$moddir/scripts/rebash/"*; do
+        inst "$file_path" "/usr/lib/rebash/$(basename "$file_path")"
+    done
+    inst "$moddir/scripts/tools.sh" "/usr/lib/openslx/tools.sh"
+    # 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 \
+        dd diff dirname dmsetup \
+        find fsck.ext4 \
+        grep \
+        insmod \
+        losetup lsblk \
+        mkfifo mkfs.ext4 mktemp mount mountpoint \
+        sed sleep sort \
+        tee touch tr \
+        wget
+}
+# endregion
+# region vim modline
+# vim: set tabstop=4 shiftwidth=4 expandtab:
+# vim: foldmethod=marker foldmarker=region,endregion:
+# endregion