import kexec-tools-2.0.20-34.el8_3.2

This commit is contained in:
CentOS Sources 2021-02-16 02:41:42 -05:00 committed by Andrew Lukoshko
parent 89a2b3181d
commit 44d9734f29
5 changed files with 108 additions and 59 deletions

View File

@ -21,18 +21,13 @@ depends() {
}
prepare_kernel_initrd() {
KDUMP_BOOTDIR=$(check_boot_dir "${KDUMP_BOOTDIR}")
if [ -z "$KDUMP_KERNELVER" ]; then
kdump_kver=`uname -r`
if [ "$kernel" != "$kdump_kver" ]; then
dwarn "Using current kernel version '$kdump_kver' for early kdump," \
"but the initramfs is generated for kernel version '$kernel'"
fi
else
kdump_kver=$KDUMP_KERNELVER
prepare_kdump_bootinfo
# $kernel is a variable from dracut
if [ "$KDUMP_KERNELVER" != $kernel ]; then
dwarn "Using kernel version '$KDUMP_KERNELVER' for early kdump," \
"but the initramfs is generated for kernel version '$kernel'"
fi
KDUMP_KERNEL="${KDUMP_BOOTDIR}/${KDUMP_IMG}-${kdump_kver}${KDUMP_IMG_EXT}"
KDUMP_INITRD="${KDUMP_BOOTDIR}/initramfs-${kdump_kver}kdump.img"
}
install() {
@ -58,8 +53,8 @@ install() {
inst_binary "$KDUMP_KERNEL"
inst_binary "$KDUMP_INITRD"
ln_r "$KDUMP_KERNEL" "${KDUMP_BOOTDIR}/${KDUMP_IMG}-earlykdump${KDUMP_IMG_EXT}"
ln_r "$KDUMP_INITRD" "${KDUMP_BOOTDIR}/initramfs-earlykdump.img"
ln_r "$KDUMP_KERNEL" "/boot/kernel-earlykdump"
ln_r "$KDUMP_INITRD" "/boot/initramfs-earlykdump"
chmod -x "${initdir}/$KDUMP_KERNEL"
}

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@ -16,10 +16,8 @@ EARLY_KEXEC_ARGS=""
prepare_parameters()
{
EARLY_KDUMP_CMDLINE=$(prepare_cmdline "${KDUMP_COMMANDLINE}" "${KDUMP_COMMANDLINE_REMOVE}" "${KDUMP_COMMANDLINE_APPEND}")
KDUMP_BOOTDIR=$(check_boot_dir "${KDUMP_BOOTDIR}")
EARLY_KDUMP_KERNEL="${KDUMP_BOOTDIR}/${KDUMP_IMG}-earlykdump${KDUMP_IMG_EXT}"
EARLY_KDUMP_INITRD="${KDUMP_BOOTDIR}/initramfs-earlykdump.img"
EARLY_KDUMP_KERNEL="/boot/kernel-earlykdump"
EARLY_KDUMP_INITRD="/boot/initramfs-earlykdump"
}
early_kdump_load()

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@ -326,6 +326,11 @@ is_ipv6_auto()
fi
}
is_atomic()
{
grep -q "ostree" /proc/cmdline
}
is_ipv6_address()
{
echo $1 | grep -q ":"
@ -672,24 +677,68 @@ prepare_kexec_args()
echo $kexec_args
}
check_boot_dir()
#
# Detect initrd and kernel location, results are stored in global enviromental variables:
# KDUMP_BOOTDIR, KDUMP_KERNELVER, KDUMP_KERNEL, DEFAULT_INITRD, and KDUMP_INITRD
#
# Expectes KDUMP_BOOTDIR, KDUMP_IMG, KDUMP_IMG_EXT, KDUMP_KERNELVER to be loaded from config already
# and will prefer already set values so user can specify custom kernel/initramfs location
#
prepare_kdump_bootinfo()
{
local kdump_bootdir=$1
#If user specify a boot dir for kdump kernel, let's use it. Otherwise
#check whether it's a atomic host. If yes parse the subdirectory under
#/boot; If not just find it under /boot.
if [ -n "$kdump_bootdir" ]; then
echo "$kdump_bootdir"
return
local boot_imglist boot_dirlist boot_initrdlist curr_kver="$(uname -r)"
local machine_id
if [ -z "$KDUMP_KERNELVER"]; then
KDUMP_KERNELVER="$(uname -r)"
fi
if ! is_atomic || [ "$(uname -m)" = "s390x" ]; then
kdump_bootdir="/boot"
else
eval $(cat /proc/cmdline| grep "BOOT_IMAGE" | cut -d' ' -f1)
kdump_bootdir="/boot"$(dirname $BOOT_IMAGE)
read machine_id < /etc/machine-id
boot_dirlist=${KDUMP_BOOTDIR:-"/boot /boot/efi /efi /"}
boot_imglist="$KDUMP_IMG-$KDUMP_KERNELVER$KDUMP_IMG_EXT $machine_id/$KDUMP_KERNELVER/$KDUMP_IMG"
# Use BOOT_IMAGE as reference if possible, strip the GRUB root device prefix in (hd0,gpt1) format
local boot_img="$(cat /proc/cmdline | sed "s/^BOOT_IMAGE=\((\S*)\)\?\(\S*\) .*/\2/")"
if [ -n "$boot_img" ]; then
boot_imglist="$boot_img $boot_imglist"
fi
for dir in $boot_dirlist; do
for img in $boot_imglist; do
if [ -f "$dir/$img" ]; then
KDUMP_KERNEL=$(echo $dir/$img | tr -s '/')
break 2
fi
done
done
if ! [ -e "$KDUMP_KERNEL" ]; then
echo "Failed to detect kdump kernel location"
return 1
fi
# Set KDUMP_BOOTDIR to where kernel image is stored
KDUMP_BOOTDIR=$(dirname $KDUMP_KERNEL)
# Default initrd should just stay aside of kernel image, try to find it in KDUMP_BOOTDIR
boot_initrdlist="initramfs-$KDUMP_KERNELVER.img initrd"
for initrd in $boot_initrdlist; do
if [ -f "$KDUMP_BOOTDIR/$initrd" ]; then
DEFAULT_INITRD="$KDUMP_BOOTDIR/$initrd"
break
fi
done
# Get kdump initrd from default initrd filename
# initramfs-5.7.9-200.fc32.x86_64.img => initramfs-5.7.9-200.fc32.x86_64kdump.img
# initrd => initrdkdump
if [[ -z "$DEFAULT_INITRD" ]]; then
KDUMP_INITRD=${KDUMP_BOOTDIR}/initramfs-${KDUMP_KERNELVER}kdump.img
elif [[ $(basename $DEFAULT_INITRD) == *.* ]]; then
KDUMP_INITRD=${DEFAULT_INITRD%.*}kdump.${DEFAULT_INITRD##*.}
else
KDUMP_INITRD=${DEFAULT_INITRD}kdump
fi
echo $kdump_bootdir
}
#

View File

@ -2,6 +2,7 @@
KEXEC=/sbin/kexec
KDUMP_KERNELVER=""
KDUMP_KERNEL=""
KDUMP_COMMANDLINE=""
KEXEC_ARGS=""
KDUMP_CONFIG_FILE="/etc/kdump.conf"
@ -13,6 +14,7 @@ INITRD_CHECKSUM_LOCATION="/boot/.fadump_initrd_checksum"
DUMP_TARGET=""
DEFAULT_INITRD=""
DEFAULT_INITRD_BAK=""
KDUMP_INITRD=""
TARGET_INITRD=""
FADUMP_REGISTER_SYS_NODE="/sys/kernel/fadump_registered"
#kdump shall be the default dump mode
@ -94,7 +96,7 @@ rebuild_fadump_initrd()
# this file tells the initrd is fadump enabled
touch /tmp/fadump.initramfs
target_initrd_tmp="$TARGET_INITRD.tmp"
$MKDUMPRD $target_initrd_tmp --rebuild $DEFAULT_INITRD_BAK --kver $kdump_kver \
$MKDUMPRD $target_initrd_tmp --rebuild $DEFAULT_INITRD_BAK --kver $KDUMP_KERNELVER \
-i /tmp/fadump.initramfs /etc/fadump.initramfs
if [ $? != 0 ]; then
echo "mkdumprd: failed to rebuild initrd with fadump support" >&2
@ -118,7 +120,7 @@ check_earlykdump_is_enabled()
rebuild_kdump_initrd()
{
$MKDUMPRD $TARGET_INITRD $kdump_kver
$MKDUMPRD $TARGET_INITRD $KDUMP_KERNELVER
if [ $? != 0 ]; then
echo "mkdumprd: failed to make kdump initrd" >&2
return 1
@ -189,6 +191,10 @@ backup_default_initrd()
restore_default_initrd()
{
if [ ! -f "$DEFAULT_INITRD" ]; then
return
fi
# If a backup initrd exists, we must be switching back from
# fadump to kdump. Restore the original default initrd.
if [ -f $DEFAULT_INITRD_BAK ] && [ -f $INITRD_CHECKSUM_LOCATION ]; then
@ -294,18 +300,12 @@ get_pcs_cluster_modified_files()
setup_initrd()
{
KDUMP_BOOTDIR=$(check_boot_dir "${KDUMP_BOOTDIR}")
if [ -z "$KDUMP_KERNELVER" ]; then
kdump_kver=`uname -r`
else
kdump_kver=$KDUMP_KERNELVER
prepare_kdump_bootinfo
if [ $? -ne 0 ]; then
return 1
fi
kdump_kernel="${KDUMP_BOOTDIR}/${KDUMP_IMG}-${kdump_kver}${KDUMP_IMG_EXT}"
DEFAULT_INITRD="${KDUMP_BOOTDIR}/initramfs-`uname -r`.img"
DEFAULT_INITRD_BAK="${KDUMP_BOOTDIR}/.initramfs-`uname -r`.img.default"
DEFAULT_INITRD_BAK="$KDUMP_BOOTDIR/.$(basename $DEFAULT_INITRD).default"
if [ $DEFAULT_DUMP_MODE == "fadump" ]; then
TARGET_INITRD="$DEFAULT_INITRD"
if [ ! -s "$TARGET_INITRD" ]; then
@ -317,7 +317,7 @@ setup_initrd()
# with fadump aware initrd
backup_default_initrd
else
TARGET_INITRD="${KDUMP_BOOTDIR}/initramfs-${kdump_kver}kdump.img"
TARGET_INITRD="$KDUMP_INITRD"
# check if a backup of default initrd exists. If yes,
# it signifies a switch from fadump mode. So, restore
@ -357,25 +357,25 @@ check_files_modified()
EXTRA_BINS="$EXTRA_BINS $CHECK_FILES"
CHECK_FILES=`grep ^extra_bins $KDUMP_CONFIG_FILE | cut -d\ -f2-`
EXTRA_BINS="$EXTRA_BINS $CHECK_FILES"
files="$KDUMP_CONFIG_FILE $kdump_kernel $EXTRA_BINS $CORE_COLLECTOR"
files="$KDUMP_CONFIG_FILE $KDUMP_KERNEL $EXTRA_BINS $CORE_COLLECTOR"
[[ -e /etc/fstab ]] && files="$files /etc/fstab"
# Check for any updated extra module
EXTRA_MODULES="$(grep ^extra_modules $KDUMP_CONFIG_FILE | sed 's/^extra_modules\s*//')"
if [ -n "$EXTRA_MODULES" ]; then
if [ -e /lib/modules/$kdump_kver/modules.dep ]; then
files="$files /lib/modules/$kdump_kver/modules.dep"
if [ -e /lib/modules/$KDUMP_KERNELVER/modules.dep ]; then
files="$files /lib/modules/$KDUMP_KERNELVER/modules.dep"
fi
for _module in $EXTRA_MODULES; do
_module_file="$(modinfo --set-version "$kdump_kver" --filename "$_module" 2>/dev/null)"
_module_file="$(modinfo --set-version "$KDUMP_KERNELVER" --filename "$_module" 2>/dev/null)"
if [[ $? -eq 0 ]]; then
files="$files $_module_file"
for _dep_modules in $(modinfo -F depends $_module | tr ',' ' '); do
files="$files $(modinfo --set-version "$kdump_kver" --filename $_dep_modules 2>/dev/null)"
files="$files $(modinfo --set-version "$KDUMP_KERNELVER" --filename $_dep_modules 2>/dev/null)"
done
else
# If it's not a module nor builtin, give an error
if ! ( modprobe --set-version "$kdump_kver" --dry-run "$_module" &>/dev/null ); then
if ! ( modprobe --set-version "$KDUMP_KERNELVER" --dry-run "$_module" &>/dev/null ); then
echo "Module $_module not found"
fi
fi
@ -419,7 +419,7 @@ check_dump_fs_modified()
local _old_dev _old_mntpoint _old_fstype
local _new_dev _new_mntpoint _new_fstype
local _target _path _dracut_args
local _target_drivers _module_name
local _target_drivers _module_name _module_filename
local _old_drivers="$(lsinitrd $TARGET_INITRD -f /usr/lib/dracut/loaded-kernel-modules.txt | tr '\n' ' ')"
@ -468,10 +468,10 @@ check_dump_fs_modified()
check_block_and_slaves_all _record_block_drivers "$(get_maj_min "$_target")"
for _driver in $_target_drivers; do
# Target is mounted already, if module is not included by current kernel,
# could be a deprecated/invalid driver name or a built-in module
_module_name=$(modinfo --set-version "$kdump_kver" -F name $_driver 2>/dev/null)
if [ $? -ne 0 ] || [ -z "$_module_name" ]; then
# Skip deprecated/invalid driver name or built-in module
_module_name=$(modinfo --set-version "$KDUMP_KERNELVER" -F name $_driver 2>/dev/null)
_module_filename=$(modinfo --set-version "$KDUMP_KERNELVER" -n $_driver 2>/dev/null)
if [ $? -ne 0 ] || [ -z "$_module_name" ] || [[ "$_module_filename" = *"(builtin)"* ]]; then
continue
fi
if ! [[ " $_old_drivers " == *" $_module_name "* ]]; then
@ -537,7 +537,7 @@ check_wdt_modified()
# modalias. Currently load all of them.
# TODO: Need to find a way to avoid any unwanted module
# represented by modalias
_wdtdrv=$(modprobe --set-version "$kdump_kver" -R $_wdtdrv 2>/dev/null)
_wdtdrv=$(modprobe --set-version "$KDUMP_KERNELVER" -R $_wdtdrv 2>/dev/null)
if [[ $_wdtdrv ]]; then
for i in $_wdtdrv; do
_drivers[$i]=1
@ -552,7 +552,7 @@ check_wdt_modified()
[[ -f "$_wdtppath/modalias" ]] || continue
_wdtdrv=$(< "$_wdtppath/modalias")
_wdtdrv=$(modprobe --set-version "$kdump_kver" -R $_wdtdrv 2>/dev/null)
_wdtdrv=$(modprobe --set-version "$KDUMP_KERNELVER" -R $_wdtdrv 2>/dev/null)
if [[ $_wdtdrv ]]; then
for i in $_wdtdrv; do
_drivers[$i]=1
@ -697,7 +697,7 @@ load_kdump()
$KEXEC $KEXEC_ARGS $standard_kexec_args \
--command-line="$KDUMP_COMMANDLINE" \
--initrd=$TARGET_INITRD $kdump_kernel
--initrd=$TARGET_INITRD $KDUMP_KERNEL
if [ $? == 0 ]; then
echo "kexec: loaded kdump kernel"
return 0

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@ -1,6 +1,6 @@
Name: kexec-tools
Version: 2.0.20
Release: 34%{?dist}.1
Release: 34%{?dist}.2
License: GPLv2
Group: Applications/System
Summary: The kexec/kdump userspace component
@ -381,6 +381,13 @@ done
%endif
%changelog
* Mon Jan 11 2021 Pingfan Liu <piliu@redhat.com> - 2.0.20-34.2
- kdump-lib.sh: Remove is_atomic
- Refactor kernel image and initrd detection code
- early-kdump: Use consistent symbol link for kernel and initramfs
- kdump-lib: strip grub device from kdump_bootdir
- kdumpctl: fix driver change detection on latest Fedora
* Wed Oct 28 2020 Pingfan Liu <piliu@redhat.com> - 2.0.20-34.1
- kdump-lib.sh: detect secure boot on s390