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logger: save log after all kdump progress finished

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Make log saving the last step of kdump.sh, so it can catch more info,
for example, the output of post.d hooks will be covered by the log now.

Signed-off-by: Kairui Song <kasong@tencent.com>
Reviewed-by: Philipp Rudo <prudo@redhat.com>
This commit is contained in:
Kairui Song 2022-04-23 21:07:31 +08:00 committed by Coiby Xu
parent 1facd0c118
commit 3d70f8b049
1 changed files with 18 additions and 12 deletions
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30
dracut-kdump.sh
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@ -15,6 +15,8 @@ fi
KDUMP_PATH="/var/crash"
KDUMP_LOG_FILE="/run/initramfs/kexec-dmesg.log"
KDUMP_LOG_DEST=""
KDUMP_LOG_OP=""
CORE_COLLECTOR=""
DEFAULT_CORE_COLLECTOR="makedumpfile -l --message-level 7 -d 31"
DMESG_COLLECTOR="/sbin/vmcore-dmesg"
@ -113,12 +115,19 @@ get_kdump_confs()
# store the kexec kernel log to a file.
save_log()
{
# LOG_OP is empty when log can't be saved, eg. raw target
[ -n "$KDUMP_LOG_OP" ] || return
dmesg -T > $KDUMP_LOG_FILE
if command -v journalctl > /dev/null; then
journalctl -ab >> $KDUMP_LOG_FILE
fi
chmod 600 $KDUMP_LOG_FILE
dinfo "saving the $KDUMP_LOG_FILE to $KDUMP_LOG_DEST/"
eval "$KDUMP_LOG_OP"
}
# $1: dump path, must be a mount point
@ -159,6 +168,9 @@ dump_fs()
save_opalcore_fs "$_dump_fs_path"
dinfo "saving vmcore"
KDUMP_LOG_DEST=$_dump_fs_path/
KDUMP_LOG_OP="mv '$KDUMP_LOG_FILE' '$KDUMP_LOG_DEST/'"
$CORE_COLLECTOR /proc/vmcore "$_dump_fs_path/vmcore-incomplete"
_dump_exitcode=$?
if [ $_dump_exitcode -eq 0 ]; then
@ -167,12 +179,6 @@ dump_fs()
dinfo "saving vmcore complete"
else
derror "saving vmcore failed, exitcode:$_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
@ -395,8 +401,12 @@ dump_ssh()
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"
KDUMP_LOG_DEST=$2:$_ssh_dir/
KDUMP_LOG_OP="scp -q $_ssh_opt '$KDUMP_LOG_FILE' '$_scp_address:$_ssh_dir/'"
save_opalcore_ssh "$_ssh_dir" "$_ssh_opt" "$2" "$_scp_address"
if [ "${CORE_COLLECTOR%%[[:blank:]]*}" = "scp" ]; then
@ -421,12 +431,6 @@ dump_ssh()
derror "saving vmcore failed, exitcode:$_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
}
@ -576,6 +580,8 @@ if ! do_kdump_post $DUMP_RETVAL; then
derror "kdump_post script exited with non-zero status!"
fi
save_log
if [ $DUMP_RETVAL -ne 0 ]; then
exit 1
fi