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logger: save log after all kdump progress finished 

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