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dracut-kdump.sh: simplify dump_ssh

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There is a workaround for `scp` that it expects IPv6 address to be
quoted with [ ... ], only apply the workaround once and store the
updated `scp` address to reuse it.

Signed-off-by: Kairui Song <kasong@redhat.com>
Acked-by: Philipp Rudo <prudo@redhat.com>
This commit is contained in:
Kairui Song 2021-08-03 13:23:26 +08:00
parent 8f89e89071
commit 7a9823b42e
1 changed files with 12 additions and 29 deletions
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41
dracut-kdump.sh
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@ -387,29 +387,25 @@ dump_ssh()
local _dir="$KDUMP_PATH/$HOST_IP-$DATEDIR"
local _host=$2
local _vmcore="vmcore"
local _ipv6_addr="" _username=""
if is_ipv6_address "$_host"; then
_scp_address=${_host%@*}@"[${_host#*@}]"
else
_scp_address=$_host
fi
dinfo "saving to $_host:$_dir"
cat /var/lib/random-seed > /dev/urandom
ssh -q $_opt $_host mkdir -p $_dir || return 1
save_vmcore_dmesg_ssh ${DMESG_COLLECTOR} ${_dir} "${_opt}" $_host
save_opalcore_ssh ${_dir} "${_opt}" $_host
save_vmcore_dmesg_ssh ${DMESG_COLLECTOR} ${_dir} "${_opt}" "$_host"
dinfo "saving vmcore"
if is_ipv6_address "$_host"; then
_username=${_host%@*}
_ipv6_addr="[${_host#*@}]"
fi
save_opalcore_ssh ${_dir} "${_opt}" "$_host" "$_scp_address"
if [ "${CORE_COLLECTOR%%[[:blank:]]*}" = "scp" ]; then
if [ -n "$_username" ] && [ -n "$_ipv6_addr" ]; then
scp -q $_opt /proc/vmcore "$_username@$_ipv6_addr:$_dir/vmcore-incomplete"
else
scp -q $_opt /proc/vmcore "$_host:$_dir/vmcore-incomplete"
fi
scp -q $_opt /proc/vmcore "$_scp_address:$_dir/vmcore-incomplete"
_exitcode=$?
else
$CORE_COLLECTOR /proc/vmcore | ssh $_opt $_host "umask 0077 && dd bs=512 of=$_dir/vmcore-incomplete"
@ -431,11 +427,7 @@ dump_ssh()
dinfo "saving the $KDUMP_LOG_FILE to $_host:$_dir/"
save_log
if [ -n "$_username" ] && [ -n "$_ipv6_addr" ]; then
scp -q $_opt $KDUMP_LOG_FILE "$_username@$_ipv6_addr:$_dir/"
else
scp -q $_opt $KDUMP_LOG_FILE "$_host:$_dir/"
fi
scp -q $_opt $KDUMP_LOG_FILE "$_scp_address:$_dir/"
_ret=$?
if [ $_ret -ne 0 ]; then
derror "saving log file failed, _exitcode:$_ret"
@ -452,7 +444,7 @@ save_opalcore_ssh() {
local _path=$1
local _opts="$2"
local _location=$3
local _user_name="" _ipv6addr=""
local _scp_address=$4
ddebug "_path=$_path _opts=$_opts _location=$_location"
@ -465,18 +457,9 @@ save_opalcore_ssh() {
fi
fi
if is_ipv6_address "$_host"; then
_user_name=${_location%@*}
_ipv6addr="[${_location#*@}]"
fi
dinfo "saving opalcore:$OPALCORE to $_location:$_path"
if [ -n "$_user_name" ] && [ -n "$_ipv6addr" ]; then
scp $_opts $OPALCORE $_user_name@$_ipv6addr:$_path/opalcore-incomplete
else
scp $_opts $OPALCORE $_location:$_path/opalcore-incomplete
fi
scp $_opts $OPALCORE $_scp_address:$_path/opalcore-incomplete
if [ $? -ne 0 ]; then
derror "saving opalcore failed"
return 1