diff --git a/dracut-kdump.sh b/dracut-kdump.sh
index 5cd7ad4..969ea94 100755
--- a/dracut-kdump.sh
+++ b/dracut-kdump.sh
@@ -9,8 +9,8 @@
#initiate the kdump logger
if ! dlog_init; then
- echo "failed to initiate the kdump logger."
- exit 1
+ echo "failed to initiate the kdump logger."
+ exit 1
fi
KDUMP_PATH="/var/crash"
@@ -41,541 +41,543 @@ kdump_read_conf > $KDUMP_CONF_PARSED
get_kdump_confs()
{
- while read -r config_opt config_val; do
- # remove inline comments after the end of a directive.
- case "$config_opt" in
- path)
- KDUMP_PATH="$config_val"
- ;;
- core_collector)
- [ -n "$config_val" ] && CORE_COLLECTOR="$config_val"
- ;;
- sshkey)
- if [ -f "$config_val" ]; then
- SSH_KEY_LOCATION=$config_val
- fi
- ;;
- kdump_pre)
- KDUMP_PRE="$config_val"
- ;;
- kdump_post)
- KDUMP_POST="$config_val"
- ;;
- fence_kdump_args)
- FENCE_KDUMP_ARGS="$config_val"
- ;;
- fence_kdump_nodes)
- FENCE_KDUMP_NODES="$config_val"
- ;;
- failure_action|default)
- case $config_val in
- shell)
- FAILURE_ACTION="kdump_emergency_shell"
- ;;
- reboot)
- FAILURE_ACTION="systemctl reboot -f && exit"
- ;;
- halt)
- FAILURE_ACTION="halt && exit"
- ;;
- poweroff)
- FAILURE_ACTION="systemctl poweroff -f && exit"
- ;;
- dump_to_rootfs)
- FAILURE_ACTION="dump_to_rootfs"
- ;;
- esac
- ;;
- final_action)
- case $config_val in
- reboot)
- FINAL_ACTION="systemctl reboot -f"
- ;;
- halt)
- FINAL_ACTION="halt"
- ;;
- poweroff)
- FINAL_ACTION="systemctl poweroff -f"
- ;;
- esac
- ;;
- esac
- done < "$KDUMP_CONF_PARSED"
-
- if [ -z "$CORE_COLLECTOR" ]; then
- CORE_COLLECTOR="$DEFAULT_CORE_COLLECTOR"
- if is_ssh_dump_target || is_raw_dump_target; then
- CORE_COLLECTOR="$CORE_COLLECTOR -F"
- fi
- fi
+ while read -r config_opt config_val; do
+ # remove inline comments after the end of a directive.
+ case "$config_opt" in
+ path)
+ KDUMP_PATH="$config_val"
+ ;;
+ core_collector)
+ [ -n "$config_val" ] && CORE_COLLECTOR="$config_val"
+ ;;
+ sshkey)
+ if [ -f "$config_val" ]; then
+ SSH_KEY_LOCATION=$config_val
+ fi
+ ;;
+ kdump_pre)
+ KDUMP_PRE="$config_val"
+ ;;
+ kdump_post)
+ KDUMP_POST="$config_val"
+ ;;
+ fence_kdump_args)
+ FENCE_KDUMP_ARGS="$config_val"
+ ;;
+ fence_kdump_nodes)
+ FENCE_KDUMP_NODES="$config_val"
+ ;;
+ failure_action | default)
+ case $config_val in
+ shell)
+ FAILURE_ACTION="kdump_emergency_shell"
+ ;;
+ reboot)
+ FAILURE_ACTION="systemctl reboot -f && exit"
+ ;;
+ halt)
+ FAILURE_ACTION="halt && exit"
+ ;;
+ poweroff)
+ FAILURE_ACTION="systemctl poweroff -f && exit"
+ ;;
+ dump_to_rootfs)
+ FAILURE_ACTION="dump_to_rootfs"
+ ;;
+ esac
+ ;;
+ final_action)
+ case $config_val in
+ reboot)
+ FINAL_ACTION="systemctl reboot -f"
+ ;;
+ halt)
+ FINAL_ACTION="halt"
+ ;;
+ poweroff)
+ FINAL_ACTION="systemctl poweroff -f"
+ ;;
+ esac
+ ;;
+ esac
+ done < "$KDUMP_CONF_PARSED"
+
+ if [ -z "$CORE_COLLECTOR" ]; then
+ CORE_COLLECTOR="$DEFAULT_CORE_COLLECTOR"
+ if is_ssh_dump_target || is_raw_dump_target; then
+ CORE_COLLECTOR="$CORE_COLLECTOR -F"
+ fi
+ fi
}
# store the kexec kernel log to a file.
save_log()
{
- dmesg -T > $KDUMP_LOG_FILE
+ dmesg -T > $KDUMP_LOG_FILE
- if command -v journalctl > /dev/null; then
- journalctl -ab >> $KDUMP_LOG_FILE
- fi
- chmod 600 $KDUMP_LOG_FILE
+ if command -v journalctl > /dev/null; then
+ journalctl -ab >> $KDUMP_LOG_FILE
+ fi
+ chmod 600 $KDUMP_LOG_FILE
}
# $1: dump path, must be a mount point
dump_fs()
{
- ddebug "dump_fs _mp=$1"
-
- if ! is_mounted "$1"; then
- dinfo "dump path '$1' is not mounted, trying to mount..."
- if ! mount --target "$1"; then
- derror "failed to dump to '$1', it's not a mount point!"
- return 1
- fi
- fi
-
- # Remove -F in makedumpfile case. We don't want a flat format dump here.
- case $CORE_COLLECTOR in
- *makedumpfile* )
- CORE_COLLECTOR=$(echo "$CORE_COLLECTOR" | sed -e "s/-F//g")
- ;;
- esac
-
- _dump_fs_path=$(echo "$1/$KDUMP_PATH/$HOST_IP-$DATEDIR/" | tr -s /)
- dinfo "saving to $_dump_fs_path"
-
- # Only remount to read-write mode if the dump target is mounted read-only.
- _dump_mnt_op=$(get_mount_info OPTIONS target "$1" -f)
- case $_dump_mnt_op in
- ro* )
- dinfo "Remounting the dump target in rw mode."
- mount -o remount,rw "$1" || return 1
- ;;
- esac
-
- mkdir -p "$_dump_fs_path" || return 1
-
- save_vmcore_dmesg_fs ${DMESG_COLLECTOR} "$_dump_fs_path"
- save_opalcore_fs "$_dump_fs_path"
-
- dinfo "saving vmcore"
- $CORE_COLLECTOR /proc/vmcore "$_dump_fs_path/vmcore-incomplete"
- _dump_exitcode=$?
- if [ $_dump_exitcode -eq 0 ]; then
- mv "$_dump_fs_path/vmcore-incomplete" "$_dump_fs_path/vmcore"
- sync
- dinfo "saving vmcore complete"
- else
- derror "saving vmcore failed, exitcode:$_dump_exitcode"
- fi
-
- dinfo "saving the $KDUMP_LOG_FILE to $_dump_fs_path/"
- save_log
- mv "$KDUMP_LOG_FILE" "$_dump_fs_path/"
- if [ $_dump_exitcode -ne 0 ]; then
- return 1
- fi
-
- # improper kernel cmdline can cause the failure of echo, we can ignore this kind of failure
- return 0
+ ddebug "dump_fs _mp=$1"
+
+ if ! is_mounted "$1"; then
+ dinfo "dump path '$1' is not mounted, trying to mount..."
+ if ! mount --target "$1"; then
+ derror "failed to dump to '$1', it's not a mount point!"
+ return 1
+ fi
+ fi
+
+ # Remove -F in makedumpfile case. We don't want a flat format dump here.
+ case $CORE_COLLECTOR in
+ *makedumpfile*)
+ CORE_COLLECTOR=$(echo "$CORE_COLLECTOR" | sed -e "s/-F//g")
+ ;;
+ esac
+
+ _dump_fs_path=$(echo "$1/$KDUMP_PATH/$HOST_IP-$DATEDIR/" | tr -s /)
+ dinfo "saving to $_dump_fs_path"
+
+ # Only remount to read-write mode if the dump target is mounted read-only.
+ _dump_mnt_op=$(get_mount_info OPTIONS target "$1" -f)
+ case $_dump_mnt_op in
+ ro*)
+ dinfo "Remounting the dump target in rw mode."
+ mount -o remount,rw "$1" || return 1
+ ;;
+ esac
+
+ mkdir -p "$_dump_fs_path" || return 1
+
+ save_vmcore_dmesg_fs ${DMESG_COLLECTOR} "$_dump_fs_path"
+ save_opalcore_fs "$_dump_fs_path"
+
+ dinfo "saving vmcore"
+ $CORE_COLLECTOR /proc/vmcore "$_dump_fs_path/vmcore-incomplete"
+ _dump_exitcode=$?
+ if [ $_dump_exitcode -eq 0 ]; then
+ mv "$_dump_fs_path/vmcore-incomplete" "$_dump_fs_path/vmcore"
+ sync
+ dinfo "saving vmcore complete"
+ else
+ derror "saving vmcore failed, exitcode:$_dump_exitcode"
+ fi
+
+ dinfo "saving the $KDUMP_LOG_FILE to $_dump_fs_path/"
+ save_log
+ mv "$KDUMP_LOG_FILE" "$_dump_fs_path/"
+ if [ $_dump_exitcode -ne 0 ]; then
+ return 1
+ fi
+
+ # improper kernel cmdline can cause the failure of echo, we can ignore this kind of failure
+ return 0
}
# $1: dmesg collector
# $2: dump path
-save_vmcore_dmesg_fs() {
- dinfo "saving vmcore-dmesg.txt to $2"
- if $1 /proc/vmcore > "$2/vmcore-dmesg-incomplete.txt"; then
- mv "$2/vmcore-dmesg-incomplete.txt" "$2/vmcore-dmesg.txt"
- chmod 600 "$2/vmcore-dmesg.txt"
-
- # Make sure file is on disk. There have been instances where later
- # saving vmcore failed and system rebooted without sync and there
- # was no vmcore-dmesg.txt available.
- sync
- dinfo "saving vmcore-dmesg.txt complete"
- else
- if [ -f "$2/vmcore-dmesg-incomplete.txt" ]; then
- chmod 600 "$2/vmcore-dmesg-incomplete.txt"
- fi
- derror "saving vmcore-dmesg.txt failed"
- fi
+save_vmcore_dmesg_fs()
+{
+ dinfo "saving vmcore-dmesg.txt to $2"
+ if $1 /proc/vmcore > "$2/vmcore-dmesg-incomplete.txt"; then
+ mv "$2/vmcore-dmesg-incomplete.txt" "$2/vmcore-dmesg.txt"
+ chmod 600 "$2/vmcore-dmesg.txt"
+
+ # Make sure file is on disk. There have been instances where later
+ # saving vmcore failed and system rebooted without sync and there
+ # was no vmcore-dmesg.txt available.
+ sync
+ dinfo "saving vmcore-dmesg.txt complete"
+ else
+ if [ -f "$2/vmcore-dmesg-incomplete.txt" ]; then
+ chmod 600 "$2/vmcore-dmesg-incomplete.txt"
+ fi
+ derror "saving vmcore-dmesg.txt failed"
+ fi
}
# $1: dump path
-save_opalcore_fs() {
- if [ ! -f $OPALCORE ]; then
- # Check if we are on an old kernel that uses a different path
- if [ -f /sys/firmware/opal/core ]; then
- OPALCORE="/sys/firmware/opal/core"
- else
- return 0
- fi
- fi
-
- dinfo "saving opalcore:$OPALCORE to $1/opalcore"
- if ! cp $OPALCORE "$1/opalcore"; then
- derror "saving opalcore failed"
- return 1
- fi
-
- sync
- dinfo "saving opalcore complete"
- return 0
+save_opalcore_fs()
+{
+ if [ ! -f $OPALCORE ]; then
+ # Check if we are on an old kernel that uses a different path
+ if [ -f /sys/firmware/opal/core ]; then
+ OPALCORE="/sys/firmware/opal/core"
+ else
+ return 0
+ fi
+ fi
+
+ dinfo "saving opalcore:$OPALCORE to $1/opalcore"
+ if ! cp $OPALCORE "$1/opalcore"; then
+ derror "saving opalcore failed"
+ return 1
+ fi
+
+ sync
+ dinfo "saving opalcore complete"
+ return 0
}
dump_to_rootfs()
{
- if [ "$(systemctl status dracut-initqueue | sed -n "s/^\s*Active: \(\S*\)\s.*$/\1/p")" = "inactive" ]; then
- dinfo "Trying to bring up initqueue for rootfs mount"
- systemctl start dracut-initqueue
- fi
-
- dinfo "Clean up dead systemd services"
- systemctl cancel
- dinfo "Waiting for rootfs mount, will timeout after 90 seconds"
- systemctl start --no-block sysroot.mount
-
- _loop=0
- while [ $_loop -lt 90 ] && ! is_mounted /sysroot; do
- sleep 1
- _loop=$((_loop + 1))
- done
-
- if ! is_mounted /sysroot; then
- derror "Failed to mount rootfs"
- return
- fi
-
- ddebug "NEWROOT=$NEWROOT"
- dump_fs $NEWROOT
+ if [ "$(systemctl status dracut-initqueue | sed -n "s/^\s*Active: \(\S*\)\s.*$/\1/p")" = "inactive" ]; then
+ dinfo "Trying to bring up initqueue for rootfs mount"
+ systemctl start dracut-initqueue
+ fi
+
+ dinfo "Clean up dead systemd services"
+ systemctl cancel
+ dinfo "Waiting for rootfs mount, will timeout after 90 seconds"
+ systemctl start --no-block sysroot.mount
+
+ _loop=0
+ while [ $_loop -lt 90 ] && ! is_mounted /sysroot; do
+ sleep 1
+ _loop=$((_loop + 1))
+ done
+
+ if ! is_mounted /sysroot; then
+ derror "Failed to mount rootfs"
+ return
+ fi
+
+ ddebug "NEWROOT=$NEWROOT"
+ dump_fs $NEWROOT
}
kdump_emergency_shell()
{
- ddebug "Switching to kdump emergency shell..."
-
- [ -f /etc/profile ] && . /etc/profile
- export PS1='kdump:${PWD}# '
-
- . /lib/dracut-lib.sh
- if [ -f /dracut-state.sh ]; then
- . /dracut-state.sh 2>/dev/null
- fi
-
- source_conf /etc/conf.d
-
- type plymouth >/dev/null 2>&1 && plymouth quit
-
- source_hook "emergency"
- while read -r _tty rest; do
- (
- echo
- echo
- echo 'Entering kdump emergency mode.'
- echo 'Type "journalctl" to view system logs.'
- echo 'Type "rdsosreport" to generate a sosreport, you can then'
- echo 'save it elsewhere and attach it to a bug report.'
- echo
- echo
- ) > "/dev/$_tty"
- done < /proc/consoles
- sh -i -l
- /bin/rm -f -- /.console_lock
+ ddebug "Switching to kdump emergency shell..."
+
+ [ -f /etc/profile ] && . /etc/profile
+ export PS1='kdump:${PWD}# '
+
+ . /lib/dracut-lib.sh
+ if [ -f /dracut-state.sh ]; then
+ . /dracut-state.sh 2> /dev/null
+ fi
+
+ source_conf /etc/conf.d
+
+ type plymouth > /dev/null 2>&1 && plymouth quit
+
+ source_hook "emergency"
+ while read -r _tty rest; do
+ (
+ echo
+ echo
+ echo 'Entering kdump emergency mode.'
+ echo 'Type "journalctl" to view system logs.'
+ echo 'Type "rdsosreport" to generate a sosreport, you can then'
+ echo 'save it elsewhere and attach it to a bug report.'
+ echo
+ echo
+ ) > "/dev/$_tty"
+ done < /proc/consoles
+ sh -i -l
+ /bin/rm -f -- /.console_lock
}
do_failure_action()
{
- dinfo "Executing failure action $FAILURE_ACTION"
- eval $FAILURE_ACTION
+ dinfo "Executing failure action $FAILURE_ACTION"
+ eval $FAILURE_ACTION
}
do_final_action()
{
- dinfo "Executing final action $FINAL_ACTION"
- eval $FINAL_ACTION
+ dinfo "Executing final action $FINAL_ACTION"
+ eval $FINAL_ACTION
}
do_dump()
{
- eval $DUMP_INSTRUCTION
- _ret=$?
+ eval $DUMP_INSTRUCTION
+ _ret=$?
- if [ $_ret -ne 0 ]; then
- derror "saving vmcore failed"
- fi
+ if [ $_ret -ne 0 ]; then
+ derror "saving vmcore failed"
+ fi
- return $_ret
+ return $_ret
}
do_kdump_pre()
{
- if [ -n "$KDUMP_PRE" ]; then
- "$KDUMP_PRE"
- _ret=$?
- if [ $_ret -ne 0 ]; then
- derror "$KDUMP_PRE exited with $_ret status"
- return $_ret
- fi
- fi
-
- # if any script fails, it just raises warning and continues
- if [ -d /etc/kdump/pre.d ]; then
- for file in /etc/kdump/pre.d/*; do
- "$file"
- _ret=$?
- if [ $_ret -ne 0 ]; then
- derror "$file exited with $_ret status"
- fi
- done
- fi
- return 0
+ if [ -n "$KDUMP_PRE" ]; then
+ "$KDUMP_PRE"
+ _ret=$?
+ if [ $_ret -ne 0 ]; then
+ derror "$KDUMP_PRE exited with $_ret status"
+ return $_ret
+ fi
+ fi
+
+ # if any script fails, it just raises warning and continues
+ if [ -d /etc/kdump/pre.d ]; then
+ for file in /etc/kdump/pre.d/*; do
+ "$file"
+ _ret=$?
+ if [ $_ret -ne 0 ]; then
+ derror "$file exited with $_ret status"
+ fi
+ done
+ fi
+ return 0
}
do_kdump_post()
{
- if [ -d /etc/kdump/post.d ]; then
- for file in /etc/kdump/post.d/*; do
- "$file" "$1"
- _ret=$?
- if [ $_ret -ne 0 ]; then
- derror "$file exited with $_ret status"
- fi
- done
- fi
-
- if [ -n "$KDUMP_POST" ]; then
- "$KDUMP_POST" "$1"
- _ret=$?
- if [ $_ret -ne 0 ]; then
- derror "$KDUMP_POST exited with $_ret status"
- fi
- fi
+ if [ -d /etc/kdump/post.d ]; then
+ for file in /etc/kdump/post.d/*; do
+ "$file" "$1"
+ _ret=$?
+ if [ $_ret -ne 0 ]; then
+ derror "$file exited with $_ret status"
+ fi
+ done
+ fi
+
+ if [ -n "$KDUMP_POST" ]; then
+ "$KDUMP_POST" "$1"
+ _ret=$?
+ if [ $_ret -ne 0 ]; then
+ derror "$KDUMP_POST exited with $_ret status"
+ fi
+ fi
}
# $1: block target, eg. /dev/sda
dump_raw()
{
- [ -b "$1" ] || return 1
+ [ -b "$1" ] || return 1
- dinfo "saving to raw disk $1"
+ dinfo "saving to raw disk $1"
- if ! echo "$CORE_COLLECTOR" | grep -q makedumpfile; then
- _src_size=$(stat --format %s /proc/vmcore)
- _src_size_mb=$((_src_size / 1048576))
- /kdumpscripts/monitor_dd_progress $_src_size_mb &
- fi
+ if ! echo "$CORE_COLLECTOR" | grep -q makedumpfile; then
+ _src_size=$(stat --format %s /proc/vmcore)
+ _src_size_mb=$((_src_size / 1048576))
+ /kdumpscripts/monitor_dd_progress $_src_size_mb &
+ fi
- dinfo "saving vmcore"
- $CORE_COLLECTOR /proc/vmcore | dd of="$1" bs=$DD_BLKSIZE >> /tmp/dd_progress_file 2>&1 || return 1
- sync
+ dinfo "saving vmcore"
+ $CORE_COLLECTOR /proc/vmcore | dd of="$1" bs=$DD_BLKSIZE >> /tmp/dd_progress_file 2>&1 || return 1
+ sync
- dinfo "saving vmcore complete"
- return 0
+ dinfo "saving vmcore complete"
+ return 0
}
# $1: ssh key file
# $2: ssh address in <user>@<host> format
dump_ssh()
{
- _ret=0
- _ssh_opt="-i $1 -o BatchMode=yes -o StrictHostKeyChecking=yes"
- _ssh_dir="$KDUMP_PATH/$HOST_IP-$DATEDIR"
- if is_ipv6_address "$2"; then
- _scp_address=${2%@*}@"[${2#*@}]"
- else
- _scp_address=$2
- fi
-
- dinfo "saving to $2:$_ssh_dir"
-
- cat /var/lib/random-seed > /dev/urandom
- ssh -q $_ssh_opt "$2" mkdir -p "$_ssh_dir" || return 1
-
- save_vmcore_dmesg_ssh "$DMESG_COLLECTOR" "$_ssh_dir" "$_ssh_opt" "$2"
- dinfo "saving vmcore"
-
- save_opalcore_ssh "$_ssh_dir" "$_ssh_opt" "$2" "$_scp_address"
-
- if [ "${CORE_COLLECTOR%%[[:blank:]]*}" = "scp" ]; then
- scp -q $_ssh_opt /proc/vmcore "$_scp_address:$_ssh_dir/vmcore-incomplete"
- _ret=$?
- _vmcore="vmcore"
- else
- $CORE_COLLECTOR /proc/vmcore | ssh $_ssh_opt "$2" "umask 0077 && dd bs=512 of='$_ssh_dir/vmcore-incomplete'"
- _ret=$?
- _vmcore="vmcore.flat"
- fi
-
- if [ $_ret -eq 0 ]; then
- ssh $_ssh_opt "$2" "mv '$_ssh_dir/vmcore-incomplete' '$_ssh_dir/$_vmcore'"
- _ret=$?
- if [ $_ret -ne 0 ]; then
- derror "moving vmcore failed, exitcode:$_ret"
- else
- dinfo "saving vmcore complete"
- fi
- else
- derror "saving vmcore failed, exitcode:$_ret"
- fi
-
- dinfo "saving the $KDUMP_LOG_FILE to $2:$_ssh_dir/"
- save_log
- if ! scp -q $_ssh_opt $KDUMP_LOG_FILE "$_scp_address:$_ssh_dir/"; then
- derror "saving log file failed, _exitcode:$_ret"
- fi
-
- return $_ret
+ _ret=0
+ _ssh_opt="-i $1 -o BatchMode=yes -o StrictHostKeyChecking=yes"
+ _ssh_dir="$KDUMP_PATH/$HOST_IP-$DATEDIR"
+ if is_ipv6_address "$2"; then
+ _scp_address=${2%@*}@"[${2#*@}]"
+ else
+ _scp_address=$2
+ fi
+
+ dinfo "saving to $2:$_ssh_dir"
+
+ cat /var/lib/random-seed > /dev/urandom
+ ssh -q $_ssh_opt "$2" mkdir -p "$_ssh_dir" || return 1
+
+ save_vmcore_dmesg_ssh "$DMESG_COLLECTOR" "$_ssh_dir" "$_ssh_opt" "$2"
+ dinfo "saving vmcore"
+
+ save_opalcore_ssh "$_ssh_dir" "$_ssh_opt" "$2" "$_scp_address"
+
+ if [ "${CORE_COLLECTOR%%[[:blank:]]*}" = "scp" ]; then
+ scp -q $_ssh_opt /proc/vmcore "$_scp_address:$_ssh_dir/vmcore-incomplete"
+ _ret=$?
+ _vmcore="vmcore"
+ else
+ $CORE_COLLECTOR /proc/vmcore | ssh $_ssh_opt "$2" "umask 0077 && dd bs=512 of='$_ssh_dir/vmcore-incomplete'"
+ _ret=$?
+ _vmcore="vmcore.flat"
+ fi
+
+ if [ $_ret -eq 0 ]; then
+ ssh $_ssh_opt "$2" "mv '$_ssh_dir/vmcore-incomplete' '$_ssh_dir/$_vmcore'"
+ _ret=$?
+ if [ $_ret -ne 0 ]; then
+ derror "moving vmcore failed, exitcode:$_ret"
+ else
+ dinfo "saving vmcore complete"
+ fi
+ else
+ derror "saving vmcore failed, exitcode:$_ret"
+ fi
+
+ dinfo "saving the $KDUMP_LOG_FILE to $2:$_ssh_dir/"
+ save_log
+ if ! scp -q $_ssh_opt $KDUMP_LOG_FILE "$_scp_address:$_ssh_dir/"; then
+ derror "saving log file failed, _exitcode:$_ret"
+ fi
+
+ return $_ret
}
# $1: dump path
# $2: ssh opts
# $3: ssh address in <user>@<host> format
# $4: scp address, similar with ssh address but IPv6 addresses are quoted
-save_opalcore_ssh() {
- if [ ! -f $OPALCORE ]; then
- # Check if we are on an old kernel that uses a different path
- if [ -f /sys/firmware/opal/core ]; then
- OPALCORE="/sys/firmware/opal/core"
- else
- return 0
- fi
- fi
-
- dinfo "saving opalcore:$OPALCORE to $3:$1"
-
- if ! scp $2 $OPALCORE "$4:$1/opalcore-incomplete"; then
- derror "saving opalcore failed"
- return 1
- fi
-
- ssh $2 "$3" mv "$1/opalcore-incomplete" "$1/opalcore"
- dinfo "saving opalcore complete"
- return 0
+save_opalcore_ssh()
+{
+ if [ ! -f $OPALCORE ]; then
+ # Check if we are on an old kernel that uses a different path
+ if [ -f /sys/firmware/opal/core ]; then
+ OPALCORE="/sys/firmware/opal/core"
+ else
+ return 0
+ fi
+ fi
+
+ dinfo "saving opalcore:$OPALCORE to $3:$1"
+
+ if ! scp $2 $OPALCORE "$4:$1/opalcore-incomplete"; then
+ derror "saving opalcore failed"
+ return 1
+ fi
+
+ ssh $2 "$3" mv "$1/opalcore-incomplete" "$1/opalcore"
+ dinfo "saving opalcore complete"
+ return 0
}
# $1: dmesg collector
# $2: dump path
# $3: ssh opts
# $4: ssh address in <user>@<host> format
-save_vmcore_dmesg_ssh() {
- dinfo "saving vmcore-dmesg.txt to $4:$2"
- if $1 /proc/vmcore | ssh $3 "$4" "umask 0077 && dd of='$2/vmcore-dmesg-incomplete.txt'"; then
- ssh -q $3 "$4" mv "$2/vmcore-dmesg-incomplete.txt" "$2/vmcore-dmesg.txt"
- dinfo "saving vmcore-dmesg.txt complete"
- else
- derror "saving vmcore-dmesg.txt failed"
- fi
+save_vmcore_dmesg_ssh()
+{
+ dinfo "saving vmcore-dmesg.txt to $4:$2"
+ if $1 /proc/vmcore | ssh $3 "$4" "umask 0077 && dd of='$2/vmcore-dmesg-incomplete.txt'"; then
+ ssh -q $3 "$4" mv "$2/vmcore-dmesg-incomplete.txt" "$2/vmcore-dmesg.txt"
+ dinfo "saving vmcore-dmesg.txt complete"
+ else
+ derror "saving vmcore-dmesg.txt failed"
+ fi
}
get_host_ip()
{
- if is_nfs_dump_target || is_ssh_dump_target
- then
- kdumpnic=$(getarg kdumpnic=)
- if [ -z "$kdumpnic" ]; then
- derror "failed to get kdumpnic!"
- return 1
- fi
- if ! kdumphost=$(ip addr show dev "$kdumpnic" | grep '[ ]*inet'); then
- derror "wrong kdumpnic: $kdumpnic"
- return 1
- fi
- kdumphost=$(echo "$kdumphost" | head -n 1 | awk '{print $2}')
- kdumphost="${kdumphost%%/*}"
- if [ -z "$kdumphost" ]; then
- derror "wrong kdumpnic: $kdumpnic"
- return 1
- fi
- HOST_IP=$kdumphost
- fi
- return 0
+ if is_nfs_dump_target || is_ssh_dump_target; then
+ kdumpnic=$(getarg kdumpnic=)
+ if [ -z "$kdumpnic" ]; then
+ derror "failed to get kdumpnic!"
+ return 1
+ fi
+ if ! kdumphost=$(ip addr show dev "$kdumpnic" | grep '[ ]*inet'); then
+ derror "wrong kdumpnic: $kdumpnic"
+ return 1
+ fi
+ kdumphost=$(echo "$kdumphost" | head -n 1 | awk '{print $2}')
+ kdumphost="${kdumphost%%/*}"
+ if [ -z "$kdumphost" ]; then
+ derror "wrong kdumpnic: $kdumpnic"
+ return 1
+ fi
+ HOST_IP=$kdumphost
+ fi
+ return 0
}
read_kdump_confs()
{
- if [ ! -f "$KDUMP_CONFIG_FILE" ]; then
- derror "$KDUMP_CONFIG_FILE not found"
- return
- fi
-
- get_kdump_confs
-
- # rescan for add code for dump target
- while read -r config_opt config_val;
- do
- # remove inline comments after the end of a directive.
- case "$config_opt" in
- dracut_args)
- config_val=$(get_dracut_args_target "$config_val")
- if [ -n "$config_val" ]; then
- config_val=$(get_mntpoint_from_target "$config_val")
- DUMP_INSTRUCTION="dump_fs $config_val"
- fi
- ;;
- ext[234]|xfs|btrfs|minix|nfs)
- config_val=$(get_mntpoint_from_target "$config_val")
- DUMP_INSTRUCTION="dump_fs $config_val"
- ;;
- raw)
- DUMP_INSTRUCTION="dump_raw $config_val"
- ;;
- ssh)
- DUMP_INSTRUCTION="dump_ssh $SSH_KEY_LOCATION $config_val"
- ;;
- esac
- done < "$KDUMP_CONF_PARSED"
+ if [ ! -f "$KDUMP_CONFIG_FILE" ]; then
+ derror "$KDUMP_CONFIG_FILE not found"
+ return
+ fi
+
+ get_kdump_confs
+
+ # rescan for add code for dump target
+ while read -r config_opt config_val; do
+ # remove inline comments after the end of a directive.
+ case "$config_opt" in
+ dracut_args)
+ config_val=$(get_dracut_args_target "$config_val")
+ if [ -n "$config_val" ]; then
+ config_val=$(get_mntpoint_from_target "$config_val")
+ DUMP_INSTRUCTION="dump_fs $config_val"
+ fi
+ ;;
+ ext[234] | xfs | btrfs | minix | nfs)
+ config_val=$(get_mntpoint_from_target "$config_val")
+ DUMP_INSTRUCTION="dump_fs $config_val"
+ ;;
+ raw)
+ DUMP_INSTRUCTION="dump_raw $config_val"
+ ;;
+ ssh)
+ DUMP_INSTRUCTION="dump_ssh $SSH_KEY_LOCATION $config_val"
+ ;;
+ esac
+ done < "$KDUMP_CONF_PARSED"
}
fence_kdump_notify()
{
- if [ -n "$FENCE_KDUMP_NODES" ]; then
- # shellcheck disable=SC2086
- $FENCE_KDUMP_SEND $FENCE_KDUMP_ARGS $FENCE_KDUMP_NODES &
- fi
+ if [ -n "$FENCE_KDUMP_NODES" ]; then
+ # shellcheck disable=SC2086
+ $FENCE_KDUMP_SEND $FENCE_KDUMP_ARGS $FENCE_KDUMP_NODES &
+ fi
}
if [ "$1" = "--error-handler" ]; then
- get_kdump_confs
- do_failure_action
- do_final_action
+ get_kdump_confs
+ do_failure_action
+ do_final_action
- exit $?
+ exit $?
fi
# continue here only if we have to save dump.
if [ -f /etc/fadump.initramfs ] && [ ! -f /proc/device-tree/rtas/ibm,kernel-dump ] && [ ! -f /proc/device-tree/ibm,opal/dump/mpipl-boot ]; then
- exit 0
+ exit 0
fi
read_kdump_confs
fence_kdump_notify
if ! get_host_ip; then
- derror "get_host_ip exited with non-zero status!"
- exit 1
+ derror "get_host_ip exited with non-zero status!"
+ exit 1
fi
if [ -z "$DUMP_INSTRUCTION" ]; then
- DUMP_INSTRUCTION="dump_fs $NEWROOT"
+ DUMP_INSTRUCTION="dump_fs $NEWROOT"
fi
if ! do_kdump_pre; then
- derror "kdump_pre script exited with non-zero status!"
- do_final_action
- # During systemd service to reboot the machine, stop this shell script running
- exit 1
+ derror "kdump_pre script exited with non-zero status!"
+ do_final_action
+ # During systemd service to reboot the machine, stop this shell script running
+ exit 1
fi
make_trace_mem "kdump saving vmcore" '1:shortmem' '2+:mem' '3+:slab'
do_dump
DUMP_RETVAL=$?
if ! do_kdump_post $DUMP_RETVAL; then
- derror "kdump_post script exited with non-zero status!"
+ derror "kdump_post script exited with non-zero status!"
fi
if [ $DUMP_RETVAL -ne 0 ]; then
- exit 1
+ exit 1
fi
do_final_action