kdump-lib.sh: replace '[ ]' with '[[ ]]' and get rid of legacy ``
Updated file syntax with following command: sed -i -e 's/\(\s\)\[\s\([^]]*\)\s\]/\1\[\[\ \2 \]\]/g' kdump-lib.sh (replace '[ ]' with '[[ ]]') sed -i -e 's/`\([^`]*\)`/\$(\1)/g' kdump-lib.sh (replace `...` with $(...)) And manually updated [[ ... -a ... ]] and [[ ... -o ... ]] with && and ||. Signed-off-by: Kairui Song <kasong@redhat.com> Acked-by: Philipp Rudo <prudo@redhat.com>
This commit is contained in:
Kairui Song
parent
5debf397fe
commit
30090f3a15
148
kdump-lib.sh
148
kdump-lib.sh
@ -13,16 +13,16 @@ is_fadump_capable()
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{
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# Check if firmware-assisted dump is enabled
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# if no, fallback to kdump check
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if [ -f $FADUMP_ENABLED_SYS_NODE ]; then
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rc=`cat $FADUMP_ENABLED_SYS_NODE`
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[ $rc -eq 1 ] && return 0
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if [[ -f $FADUMP_ENABLED_SYS_NODE ]]; then
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rc=$(cat $FADUMP_ENABLED_SYS_NODE)
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[[ $rc -eq 1 ]] && return 0
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fi
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return 1
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}
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is_squash_available() {
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for kmodule in squashfs overlay loop; do
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if [ -z "$KDUMP_KERNELVER" ]; then
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if [[ -z "$KDUMP_KERNELVER" ]]; then
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modprobe --dry-run $kmodule &>/dev/null || return 1
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else
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modprobe -S $KDUMP_KERNELVER --dry-run $kmodule &>/dev/null || return 1
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@ -40,7 +40,7 @@ is_pcs_fence_kdump()
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{
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# no pcs or fence_kdump_send executables installed?
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type -P pcs > /dev/null || return 1
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[ -x $FENCE_KDUMP_SEND ] || return 1
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[[ -x $FENCE_KDUMP_SEND ]] || return 1
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# fence kdump not configured?
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(pcs cluster cib | grep 'type="fence_kdump"') &> /dev/null || return 1
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@ -49,7 +49,7 @@ is_pcs_fence_kdump()
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# Check if fence_kdump is configured using kdump options
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is_generic_fence_kdump()
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{
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[ -x $FENCE_KDUMP_SEND ] || return 1
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[[ -x $FENCE_KDUMP_SEND ]] || return 1
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[[ $(kdump_get_conf_val fence_kdump_nodes) ]]
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}
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@ -59,10 +59,10 @@ to_dev_name() {
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case "$dev" in
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UUID=*)
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dev=`blkid -U "${dev#UUID=}"`
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dev=$(blkid -U "${dev#UUID=}")
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;;
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LABEL=*)
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dev=`blkid -L "${dev#LABEL=}"`
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dev=$(blkid -L "${dev#LABEL=}")
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;;
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esac
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echo $dev
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@ -78,10 +78,10 @@ get_user_configured_dump_disk()
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local _target
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_target=$(kdump_get_conf_val "ext[234]\|xfs\|btrfs\|minix\|raw")
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[ -n "$_target" ] && echo $_target && return
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[[ -n "$_target" ]] && echo $_target && return
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_target=$(get_dracut_args_target "$(kdump_get_conf_val "dracut_args")")
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[ -b "$_target" ] && echo $_target
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[[ -b "$_target" ]] && echo $_target
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}
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get_block_dump_target()
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@ -93,12 +93,12 @@ get_block_dump_target()
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fi
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_target=$(get_user_configured_dump_disk)
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[ -n "$_target" ] && echo $(to_dev_name $_target) && return
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[[ -n "$_target" ]] && echo $(to_dev_name $_target) && return
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# Get block device name from local save path
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_path=$(get_save_path)
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_target=$(get_target_from_path $_path)
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[ -b "$_target" ] && echo $(to_dev_name $_target)
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[[ -b "$_target" ]] && echo $(to_dev_name $_target)
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}
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is_dump_to_rootfs()
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@ -113,7 +113,7 @@ get_failure_action_target()
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if is_dump_to_rootfs; then
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# Get rootfs device name
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_target=$(get_root_fs_device)
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[ -b "$_target" ] && echo $(to_dev_name $_target) && return
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[[ -b "$_target" ]] && echo $(to_dev_name $_target) && return
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# Then, must be nfs root
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echo "nfs"
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fi
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@ -126,7 +126,7 @@ get_kdump_targets()
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local kdump_targets
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_target=$(get_block_dump_target)
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if [ -n "$_target" ]; then
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if [[ -n "$_target" ]]; then
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kdump_targets=$_target
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elif is_ssh_dump_target; then
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kdump_targets="ssh"
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@ -136,7 +136,7 @@ get_kdump_targets()
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# Add the root device if dump_to_rootfs is specified.
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_root=$(get_failure_action_target)
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if [ -n "$_root" -a "$kdump_targets" != "$_root" ]; then
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if [[ -n "$_root" ]] && [[ "$kdump_targets" != "$_root" ]]; then
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kdump_targets="$kdump_targets $_root"
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fi
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@ -204,10 +204,10 @@ get_kdump_mntpoint_from_target()
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# mount under /kdumproot if dump target is not mounted in first kernel
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# mount under /kdumproot/$_mntpoint in other cases in 2nd kernel.
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# systemd will be in charge to umount it.
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if [ -z "$_mntpoint" ];then
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if [[ -z "$_mntpoint" ]];then
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_mntpoint="/kdumproot"
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else
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if [ "$_mntpoint" = "/" ];then
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if [[ "$_mntpoint" = "/" ]];then
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_mntpoint="/sysroot"
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else
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_mntpoint="/kdumproot/$_mntpoint"
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@ -223,10 +223,10 @@ kdump_get_persistent_dev() {
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case "$dev" in
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UUID=*)
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dev=`blkid -U "${dev#UUID=}"`
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dev=$(blkid -U "${dev#UUID=}")
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;;
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LABEL=*)
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dev=`blkid -L "${dev#LABEL=}"`
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dev=$(blkid -L "${dev#LABEL=}")
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;;
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esac
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echo $(get_persistent_dev "$dev")
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@ -253,9 +253,9 @@ get_remote_host()
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is_hostname()
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{
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local _hostname=`echo $1 | grep ":"`
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local _hostname=$(echo $1 | grep ":")
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if [ -n "$_hostname" ]; then
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if [[ -n "$_hostname" ]]; then
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return 1
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fi
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echo $1 | grep -q "[a-zA-Z]"
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@ -264,9 +264,9 @@ is_hostname()
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# Copied from "/etc/sysconfig/network-scripts/network-functions"
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get_hwaddr()
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{
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if [ -f "/sys/class/net/${1}/address" ]; then
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if [[ -f "/sys/class/net/${1}/address" ]]; then
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awk '{ print toupper($0) }' < /sys/class/net/${1}/address
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elif [ -d "/sys/class/net/${1}" ]; then
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elif [[ -d "/sys/class/net/${1}" ]]; then
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LC_ALL= LANG= ip -o link show ${1} 2>/dev/null | \
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awk '{ print toupper(gensub(/.*link\/[^ ]* ([[:alnum:]:]*).*/,
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"\\1", 1)); }'
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@ -347,7 +347,7 @@ get_ifcfg_by_name()
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is_nm_running()
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{
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[ "$(LANG=C nmcli -t --fields running general status 2>/dev/null)" = "running" ]
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[[ "$(LANG=C nmcli -t --fields running general status 2>/dev/null)" = "running" ]]
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}
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is_nm_handling()
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@ -371,7 +371,7 @@ get_ifcfg_nmcli()
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nm_name=$(LANG=C nmcli -t --fields name,device c show --active 2>/dev/null \
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| grep "${1}" | head -1 | cut -d':' -f1)
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ifcfg_file=$(get_ifcfg_by_uuid "${nm_uuid}")
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[ -z "${ifcfg_file}" ] && ifcfg_file=$(get_ifcfg_by_name "${nm_name}")
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[[ -z "${ifcfg_file}" ]] && ifcfg_file=$(get_ifcfg_by_name "${nm_name}")
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fi
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echo -n "${ifcfg_file}"
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@ -383,15 +383,15 @@ get_ifcfg_legacy()
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local ifcfg_file
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ifcfg_file="/etc/sysconfig/network-scripts/ifcfg-${1}"
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[ -f "${ifcfg_file}" ] && echo -n "${ifcfg_file}" && return
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[[ -f "${ifcfg_file}" ]] && echo -n "${ifcfg_file}" && return
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ifcfg_file=$(get_ifcfg_by_name "${1}")
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[ -f "${ifcfg_file}" ] && echo -n "${ifcfg_file}" && return
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[[ -f "${ifcfg_file}" ]] && echo -n "${ifcfg_file}" && return
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local hwaddr=$(get_hwaddr "${1}")
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if [ -n "$hwaddr" ]; then
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if [[ -n "$hwaddr" ]]; then
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ifcfg_file=$(get_ifcfg_by_hwaddr "${hwaddr}")
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[ -f "${ifcfg_file}" ] && echo -n "${ifcfg_file}" && return
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[[ -f "${ifcfg_file}" ]] && echo -n "${ifcfg_file}" && return
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fi
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ifcfg_file=$(get_ifcfg_by_device "${1}")
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@ -405,7 +405,7 @@ get_ifcfg_filename() {
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local ifcfg_file
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ifcfg_file=$(get_ifcfg_nmcli "${1}")
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if [ -z "${ifcfg_file}" ]; then
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if [[ -z "${ifcfg_file}" ]]; then
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ifcfg_file=$(get_ifcfg_legacy "${1}")
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fi
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@ -432,11 +432,11 @@ is_dracut_mod_omitted() {
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is_wdt_active() {
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local active
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[ -d /sys/class/watchdog ] || return 1
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[[ -d /sys/class/watchdog ]] || return 1
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for dir in /sys/class/watchdog/*; do
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[ -f "$dir/state" ] || continue
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[[ -f "$dir/state" ]] || continue
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active=$(< "$dir/state")
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[ "$active" = "active" ] && return 0
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[[ "$active" = "active" ]] && return 0
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done
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return 1
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}
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@ -454,7 +454,7 @@ check_crash_mem_reserved()
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local mem_reserved
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mem_reserved=$(cat /sys/kernel/kexec_crash_size)
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if [ $mem_reserved -eq 0 ]; then
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if [[ $mem_reserved -eq 0 ]]; then
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derror "No memory reserved for crash kernel"
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return 1
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fi
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@ -464,7 +464,7 @@ check_crash_mem_reserved()
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check_kdump_feasibility()
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{
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if [ ! -e /sys/kernel/kexec_crash_loaded ]; then
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if [[ ! -e /sys/kernel/kexec_crash_loaded ]]; then
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derror "Kdump is not supported on this kernel"
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return 1
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fi
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@ -474,13 +474,13 @@ check_kdump_feasibility()
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check_current_kdump_status()
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{
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if [ ! -f /sys/kernel/kexec_crash_loaded ];then
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if [[ ! -f /sys/kernel/kexec_crash_loaded ]];then
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derror "Perhaps CONFIG_CRASH_DUMP is not enabled in kernel"
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return 1
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fi
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rc=`cat /sys/kernel/kexec_crash_loaded`
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if [ $rc == 1 ]; then
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rc=$(cat /sys/kernel/kexec_crash_loaded)
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if [[ $rc == 1 ]]; then
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return 0
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else
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return 1
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@ -496,11 +496,11 @@ remove_cmdline_param()
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shift
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for arg in $@; do
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cmdline=`echo $cmdline | \
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cmdline=$(echo "$cmdline" | \
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sed -e "s/\b$arg=[^ ]*//g" \
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-e "s/^$arg\b//g" \
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-e "s/[[:space:]]$arg\b//g" \
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-e "s/\s\+/ /g"`
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-e "s/\s\+/ /g")
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done
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echo $cmdline
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}
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@ -529,7 +529,7 @@ append_cmdline()
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local newstr=${cmdline/$2/""}
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# unchanged str implies argument wasn't there
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if [ "$cmdline" == "$newstr" ]; then
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if [[ "$cmdline" == "$newstr" ]]; then
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cmdline="${cmdline} ${2}=${3}"
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fi
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@ -540,8 +540,8 @@ append_cmdline()
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# 4GB of ram available. Returns 1 if we do, 0 if we dont
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need_64bit_headers()
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{
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return `tail -n 1 /proc/iomem | awk '{ split ($1, r, "-"); \
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print (strtonum("0x" r[2]) > strtonum("0xffffffff")); }'`
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return "$(tail -n 1 /proc/iomem | awk '{ split ($1, r, "-");
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print (strtonum("0x" r[2]) > strtonum("0xffffffff")); }')"
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}
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# Check if secure boot is being enforced.
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@ -561,11 +561,11 @@ is_secure_boot_enforced()
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# On powerpc, secure boot is enforced if:
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# host secure boot: /ibm,secure-boot/os-secureboot-enforcing DT property exists
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# guest secure boot: /ibm,secure-boot >= 2
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if [ -f /proc/device-tree/ibm,secureboot/os-secureboot-enforcing ]; then
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if [[ -f /proc/device-tree/ibm,secureboot/os-secureboot-enforcing ]]; then
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return 0
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fi
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if [ -f /proc/device-tree/ibm,secure-boot ] && \
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[ $(lsprop /proc/device-tree/ibm,secure-boot | tail -1) -ge 2 ]; then
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if [[ -f /proc/device-tree/ibm,secure-boot ]] && \
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[[ $(lsprop /proc/device-tree/ibm,secure-boot | tail -1) -ge 2 ]]; then
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return 0
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fi
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@ -573,11 +573,11 @@ is_secure_boot_enforced()
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secure_boot_file=$(find /sys/firmware/efi/efivars -name SecureBoot-* 2>/dev/null)
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setup_mode_file=$(find /sys/firmware/efi/efivars -name SetupMode-* 2>/dev/null)
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if [ -f "$secure_boot_file" ] && [ -f "$setup_mode_file" ]; then
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if [[ -f "$secure_boot_file" ]] && [[ -f "$setup_mode_file" ]]; then
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secure_boot_byte=$(hexdump -v -e '/1 "%d\ "' $secure_boot_file|cut -d' ' -f 5)
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setup_mode_byte=$(hexdump -v -e '/1 "%d\ "' $setup_mode_file|cut -d' ' -f 5)
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if [ "$secure_boot_byte" = "1" ] && [ "$setup_mode_byte" = "0" ]; then
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if [[ "$secure_boot_byte" = "1" ]] && [[ "$setup_mode_byte" = "0" ]]; then
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return 0
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fi
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fi
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@ -599,22 +599,22 @@ prepare_kexec_args()
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local kexec_args=$1
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local found_elf_args
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ARCH=`uname -m`
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if [ "$ARCH" == "i686" -o "$ARCH" == "i386" ]
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ARCH=$(uname -m)
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if [[ "$ARCH" == "i686" ]] || [[ "$ARCH" == "i386" ]]
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then
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need_64bit_headers
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if [ $? == 1 ]
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if [[ $? == 1 ]]
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then
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found_elf_args=`echo $kexec_args | grep elf32-core-headers`
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if [ -n "$found_elf_args" ]
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found_elf_args=$(echo $kexec_args | grep elf32-core-headers)
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if [[ -n "$found_elf_args" ]]
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then
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dwarn "Warning: elf32-core-headers overrides correct elf64 setting"
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else
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kexec_args="$kexec_args --elf64-core-headers"
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fi
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else
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found_elf_args=`echo $kexec_args | grep elf64-core-headers`
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if [ -z "$found_elf_args" ]
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found_elf_args=$(echo $kexec_args | grep elf64-core-headers)
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if [[ -z "$found_elf_args" ]]
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then
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kexec_args="$kexec_args --elf32-core-headers"
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fi
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@ -635,7 +635,7 @@ prepare_kdump_bootinfo()
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local boot_imglist boot_dirlist boot_initrdlist curr_kver="$(uname -r)"
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local machine_id
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if [ -z "$KDUMP_KERNELVER" ]; then
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if [[ -z "$KDUMP_KERNELVER" ]]; then
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KDUMP_KERNELVER="$(uname -r)"
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fi
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@ -645,20 +645,20 @@ prepare_kdump_bootinfo()
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# Use BOOT_IMAGE as reference if possible, strip the GRUB root device prefix in (hd0,gpt1) format
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local boot_img="$(cat /proc/cmdline | sed "s/^BOOT_IMAGE=\((\S*)\)\?\(\S*\) .*/\2/")"
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if [ -n "$boot_img" ]; then
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if [[ -n "$boot_img" ]]; then
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boot_imglist="$boot_img $boot_imglist"
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fi
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for dir in $boot_dirlist; do
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for img in $boot_imglist; do
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if [ -f "$dir/$img" ]; then
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if [[ -f "$dir/$img" ]]; then
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KDUMP_KERNEL=$(echo $dir/$img | tr -s '/')
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break 2
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fi
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done
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done
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if ! [ -e "$KDUMP_KERNEL" ]; then
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if ! [[ -e "$KDUMP_KERNEL" ]]; then
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derror "Failed to detect kdump kernel location"
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return 1
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fi
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@ -669,7 +669,7 @@ prepare_kdump_bootinfo()
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# Default initrd should just stay aside of kernel image, try to find it in KDUMP_BOOTDIR
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boot_initrdlist="initramfs-$KDUMP_KERNELVER.img initrd"
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for initrd in $boot_initrdlist; do
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if [ -f "$KDUMP_BOOTDIR/$initrd" ]; then
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if [[ -f "$KDUMP_BOOTDIR/$initrd" ]]; then
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defaut_initrd_base="$initrd"
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DEFAULT_INITRD="$KDUMP_BOOTDIR/$defaut_initrd_base"
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break
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@ -687,7 +687,7 @@ prepare_kdump_bootinfo()
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kdump_initrd_base=${defaut_initrd_base}kdump
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fi
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# Place kdump initrd in `/var/lib/kdump` if `KDUMP_BOOTDIR` not writable
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# Place kdump initrd in $(/var/lib/kdump) if $(KDUMP_BOOTDIR) not writable
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if [[ ! -w "$KDUMP_BOOTDIR" ]];then
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var_target_initrd_dir="/var/lib/kdump"
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mkdir -p "$var_target_initrd_dir"
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||||
@ -724,7 +724,7 @@ prepare_cmdline()
|
||||
{
|
||||
local cmdline id
|
||||
|
||||
if [ -z "$1" ]; then
|
||||
if [[ -z "$1" ]]; then
|
||||
cmdline=$(cat /proc/cmdline)
|
||||
else
|
||||
cmdline="$1"
|
||||
@ -754,7 +754,7 @@ prepare_cmdline()
|
||||
cmdline="${cmdline} $3"
|
||||
|
||||
id=$(get_bootcpu_apicid)
|
||||
if [ ! -z ${id} ] ; then
|
||||
if [[ ! -z ${id} ]] ; then
|
||||
cmdline=$(append_cmdline "${cmdline}" disable_cpu_apicid ${id})
|
||||
fi
|
||||
|
||||
@ -803,7 +803,7 @@ get_recommend_size()
|
||||
last_unit=""
|
||||
|
||||
start=${_ck_cmdline: :1}
|
||||
if [ $mem_size -lt $start ]; then
|
||||
if [[ $mem_size -lt $start ]]; then
|
||||
echo "0M"
|
||||
return
|
||||
fi
|
||||
@ -813,10 +813,10 @@ get_recommend_size()
|
||||
recommend=$(echo $i | awk -F "-" '{ print $2 }' | awk -F ":" '{ print $2 }')
|
||||
size=${end: : -1}
|
||||
unit=${end: -1}
|
||||
if [ $unit == 'T' ]; then
|
||||
if [[ $unit == 'T' ]]; then
|
||||
let size=$size*1024
|
||||
fi
|
||||
if [ $mem_size -lt $size ]; then
|
||||
if [[ $mem_size -lt $size ]]; then
|
||||
echo $recommend
|
||||
IFS="$OLDIFS"
|
||||
return
|
||||
@ -826,28 +826,28 @@ get_recommend_size()
|
||||
}
|
||||
|
||||
# return recommended size based on current system RAM size
|
||||
# $1: kernel version, if not set, will defaults to `uname -r`
|
||||
# $1: kernel version, if not set, will defaults to $(uname -r)
|
||||
kdump_get_arch_recommend_size()
|
||||
{
|
||||
local kernel=$1 arch
|
||||
|
||||
if ! [ -r "/proc/iomem" ] ; then
|
||||
if ! [[ -r "/proc/iomem" ]] ; then
|
||||
echo "Error, can not access /proc/iomem."
|
||||
return 1
|
||||
fi
|
||||
|
||||
[ -z "$kernel" ] && kernel=$(uname -r)
|
||||
[[ -z "$kernel" ]] && kernel=$(uname -r)
|
||||
ck_cmdline=$(cat "/usr/lib/modules/$kernel/crashkernel.default" 2>/dev/null)
|
||||
|
||||
if [ -n "$ck_cmdline" ]; then
|
||||
if [[ -n "$ck_cmdline" ]]; then
|
||||
ck_cmdline=${ck_cmdline#crashkernel=}
|
||||
else
|
||||
arch=$(lscpu | grep Architecture | awk -F ":" '{ print $2 }' | tr '[:lower:]' '[:upper:]')
|
||||
if [ "$arch" = "X86_64" ] || [ "$arch" = "S390X" ]; then
|
||||
if [[ "$arch" = "X86_64" ]] || [[ "$arch" = "S390X" ]]; then
|
||||
ck_cmdline="1G-4G:160M,4G-64G:192M,64G-1T:256M,1T-:512M"
|
||||
elif [ "$arch" = "AARCH64" ]; then
|
||||
elif [[ "$arch" = "AARCH64" ]]; then
|
||||
ck_cmdline="2G-:448M"
|
||||
elif [ "$arch" = "PPC64LE" ]; then
|
||||
elif [[ "$arch" = "PPC64LE" ]]; then
|
||||
if is_fadump_capable; then
|
||||
ck_cmdline="4G-16G:768M,16G-64G:1G,64G-128G:2G,128G-1T:4G,1T-2T:6G,2T-4T:12G,4T-8T:20G,8T-16T:36G,16T-32T:64G,32T-64T:128G,64T-:180G"
|
||||
else
|
||||
@ -923,7 +923,7 @@ try_decompress()
|
||||
# "grep" that report the byte offset of the line instead of the pattern.
|
||||
|
||||
# Try to find the header ($1) and decompress from here
|
||||
for pos in `tr "$1\n$2" "\n$2=" < "$4" | grep -abo "^$2"`
|
||||
for pos in $(tr "$1\n$2" "\n$2=" < "$4" | grep -abo "^$2")
|
||||
do
|
||||
if ! type -P $3 > /dev/null; then
|
||||
ddebug "Signiature detected but '$3' is missing, skip this decompressor"
|
||||
|
||||
Loading…
Reference in New Issue
Block a user