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Direktori : /proc/self/root/proc/self/root/lib/dracut/modules.d/99kdumpbase/ |
Current File : //proc/self/root/proc/self/root/lib/dracut/modules.d/99kdumpbase/kdump.sh |
#!/bin/sh # 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 fi exec &> /dev/console . /lib/dracut-lib.sh . /lib/kdump-lib-initramfs.sh set -o pipefail DUMP_RETVAL=0 export PATH=$PATH:$KDUMP_SCRIPT_DIR do_dump() { local _ret eval $DUMP_INSTRUCTION _ret=$? if [ $_ret -ne 0 ]; then echo "kdump: saving vmcore failed" fi return $_ret } do_kdump_pre() { if [ -n "$KDUMP_PRE" ]; then "$KDUMP_PRE" fi } do_kdump_post() { if [ -n "$KDUMP_POST" ]; then "$KDUMP_POST" "$1" fi } add_dump_code() { DUMP_INSTRUCTION=$1 } dump_raw() { local _raw=$1 [ -b "$_raw" ] || return 1 echo "kdump: saving to raw disk $_raw" if ! $(echo -n $CORE_COLLECTOR|grep -q makedumpfile); then _src_size=`ls -l /proc/vmcore | cut -d' ' -f5` _src_size_mb=$(($_src_size / 1048576)) monitor_dd_progress $_src_size_mb & fi echo "kdump: saving vmcore" $CORE_COLLECTOR /proc/vmcore | dd of=$_raw bs=$DD_BLKSIZE >> /tmp/dd_progress_file 2>&1 || return 1 sync echo "kdump: saving vmcore complete" return 0 } dump_ssh() { local _opt="-i $1 -o BatchMode=yes -o StrictHostKeyChecking=yes" local _dir="$KDUMP_PATH/$HOST_IP-$DATEDIR" local _host=$2 echo "kdump: 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}" $_host echo "kdump: saving vmcore" if [ "${CORE_COLLECTOR%%[[:blank:]]*}" = "scp" ]; then scp -q $_opt /proc/vmcore "$_host:$_dir/vmcore-incomplete" || return 1 ssh $_opt $_host "mv $_dir/vmcore-incomplete $_dir/vmcore" || return 1 else $CORE_COLLECTOR /proc/vmcore | ssh $_opt $_host "dd bs=512 of=$_dir/vmcore-incomplete" || return 1 ssh $_opt $_host "mv $_dir/vmcore-incomplete $_dir/vmcore.flat" || return 1 fi echo "kdump: saving vmcore complete" return 0 } save_opalcore_ssh() { local _path=$1 local _opts="$2" local _location=$3 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 echo "kdump: saving opalcore" scp $_opts $OPALCORE $_location:$_path/opalcore-incomplete if [ $? -ne 0 ]; then echo "kdump: saving opalcore failed" return 1 fi ssh $_opts $_location mv $_path/opalcore-incomplete $_path/opalcore echo "kdump: saving opalcore complete" return 0 } save_vmcore_dmesg_ssh() { local _dmesg_collector=$1 local _path=$2 local _opts="$3" local _location=$4 echo "kdump: saving vmcore-dmesg.txt" $_dmesg_collector /proc/vmcore | ssh $_opts $_location "dd of=$_path/vmcore-dmesg-incomplete.txt" _exitcode=$? if [ $_exitcode -eq 0 ]; then ssh -q $_opts $_location mv $_path/vmcore-dmesg-incomplete.txt $_path/vmcore-dmesg.txt echo "kdump: saving vmcore-dmesg.txt complete" else echo "kdump: saving vmcore-dmesg.txt failed" fi } get_host_ip() { local _host if is_nfs_dump_target || is_ssh_dump_target then kdumpnic=$(getarg kdumpnic=) [ -z "$kdumpnic" ] && echo "kdump: failed to get kdumpnic!" && return 1 _host=`ip addr show dev $kdumpnic|grep '[ ]*inet'` [ $? -ne 0 ] && echo "kdump: wrong kdumpnic: $kdumpnic" && return 1 _host=`echo $_host | head -n 1 | cut -d' ' -f2` _host="${_host%%/*}" [ -z "$_host" ] && echo "kdump: wrong kdumpnic: $kdumpnic" && return 1 HOST_IP=$_host fi return 0 } read_kdump_conf() { if [ ! -f "$KDUMP_CONF" ]; then echo "kdump: $KDUMP_CONF not found" return fi get_kdump_confs # rescan for add code for dump target while read config_opt config_val; do # remove inline comments after the end of a directive. case "$config_opt" in dracut_args) config_val=$(get_dracut_args_target "$config_val") [ -n "$config_val" ] && add_dump_code "dump_fs $config_val" ;; ext[234]|xfs|btrfs|minix|nfs) add_dump_code "dump_fs $config_val" ;; raw) add_dump_code "dump_raw $config_val" ;; ssh) add_dump_code "dump_ssh $SSH_KEY_LOCATION $config_val" ;; esac done <<< "$(read_strip_comments $KDUMP_CONF)" } fence_kdump_notify() { if [ -n "$FENCE_KDUMP_NODES" ]; then $FENCE_KDUMP_SEND $FENCE_KDUMP_ARGS $FENCE_KDUMP_NODES & fi } read_kdump_conf fence_kdump_notify get_host_ip if [ $? -ne 0 ]; then echo "kdump: get_host_ip exited with non-zero status!" exit 1 fi if [ -z "$DUMP_INSTRUCTION" ]; then add_dump_code "dump_fs $NEWROOT" fi do_kdump_pre if [ $? -ne 0 ]; then echo "kdump: kdump_pre script exited with non-zero status!" do_final_action fi make_trace_mem "kdump saving vmcore" '1:shortmem' '2+:mem' '3+:slab' do_dump DUMP_RETVAL=$? do_kdump_post $DUMP_RETVAL if [ $? -ne 0 ]; then echo "kdump: kdump_post script exited with non-zero status!" fi if [ $DUMP_RETVAL -ne 0 ]; then exit 1 fi do_final_action