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@ -1,10 +1,22 @@
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#!/bin/bash
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_DRACUT_KDUMP_NM_TMP_DIR="$DRACUT_TMPDIR/$$-DRACUT_KDUMP_NM"
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_save_kdump_netifs() {
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unique_netifs[$1]=1
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}
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_get_kdump_netifs() {
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echo -n "${!unique_netifs[@]}"
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}
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kdump_module_init() {
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if ! [[ -d "${initdir}/tmp" ]]; then
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mkdir -p "${initdir}/tmp"
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fi
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mkdir -p "$_DRACUT_KDUMP_NM_TMP_DIR"
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. /lib/kdump/kdump-lib.sh
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}
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@ -40,6 +52,14 @@ depends() {
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_dep="$_dep ssh-client"
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fi
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if is_lvm2_thinp_dump_target; then
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if grep -q lvmthinpool-monitor <<< $(dracut --list-modules); then
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add_opt_module lvmthinpool-monitor
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else
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dwarning "Required lvmthinpool-monitor modules is missing! Please upgrade dracut >= 057."
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fi
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fi
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if [[ "$(uname -m)" == "s390x" ]]; then
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_dep="$_dep znet"
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fi
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@ -84,39 +104,6 @@ source_ifcfg_file() {
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fi
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}
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kdump_setup_dns() {
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local _netdev="$1"
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local _conpath="$2"
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local _nameserver _dns _tmp array
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local _dnsfile=${initdir}/etc/cmdline.d/42dns.conf
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_tmp=$(get_nmcli_field_by_conpath "IP4.DNS" "$_conpath")
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# shellcheck disable=SC2206
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array=(${_tmp//|/ })
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if [[ ${array[*]} ]]; then
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for _dns in "${array[@]}"; do
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echo "nameserver=$_dns" >> "$_dnsfile"
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done
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else
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dwarning "Failed to get DNS info via nmcli output. Now try sourcing ifcfg script"
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source_ifcfg_file "$_netdev"
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[[ -n $DNS1 ]] && echo "nameserver=$DNS1" > "$_dnsfile"
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[[ -n $DNS2 ]] && echo "nameserver=$DNS2" >> "$_dnsfile"
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fi
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while read -r content; do
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_nameserver=$(echo "$content" | grep ^nameserver)
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[[ -z $_nameserver ]] && continue
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_dns=$(echo "$_nameserver" | awk '{print $2}')
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[[ -z $_dns ]] && continue
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if [[ ! -f $_dnsfile ]] || ! grep -q "$_dns" "$_dnsfile"; then
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echo "nameserver=$_dns" >> "$_dnsfile"
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fi
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done < "/etc/resolv.conf"
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}
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# $1: repeat times
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# $2: string to be repeated
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# $3: separator
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@ -227,291 +214,309 @@ cal_netmask_by_prefix() {
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fi
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}
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#$1: netdev name
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#$2: srcaddr
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#if it use static ip echo it, or echo null
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kdump_static_ip() {
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local _netdev="$1" _srcaddr="$2" kdumpnic="$3" _ipv6_flag
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local _netmask _gateway _ipaddr _target _nexthop _prefix
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kdump_get_mac_addr() {
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cat "/sys/class/net/$1/address"
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}
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_ipaddr=$(ip addr show dev "$_netdev" permanent | awk "/ $_srcaddr\/.* /{print \$2}")
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#Bonding or team master modifies the mac address
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#of its slaves, we should use perm address
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kdump_get_perm_addr() {
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local addr
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addr=$(ethtool -P "$1" | sed -e 's/Permanent address: //')
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if [[ -z $addr ]] || [[ $addr == "00:00:00:00:00:00" ]]; then
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derror "Can't get the permanent address of $1"
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else
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echo "$addr"
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fi
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}
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if is_ipv6_address "$_srcaddr"; then
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_ipv6_flag="-6"
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apply_nm_initrd_generator_timeouts() {
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local _timeout_conf
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_timeout_conf=$_DRACUT_KDUMP_NM_TMP_DIR/timeout_conf
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cat << EOF > "$_timeout_conf"
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[device-95-kdump]
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carrier-wait-timeout=30000
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[connection-95-kdump]
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ipv4.dhcp-timeout=90
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ipv6.dhcp-timeout=90
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EOF
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inst "$_timeout_conf" "/etc/NetworkManager/conf.d/95-kdump-timeouts.conf"
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}
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use_ipv4_or_ipv6() {
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local _netif=$1 _uuid=$2
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if [[ -v "ipv4_usage[$_netif]" ]]; then
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nmcli connection modify --temporary "$_uuid" ipv4.may-fail no &> >(ddebug)
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fi
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if [[ -n $_ipaddr ]]; then
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_gateway=$(ip $_ipv6_flag route list dev "$_netdev" \
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| awk '/^default /{print $3}' | head -n 1)
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if [[ -v "ipv6_usage[$_netif]" ]]; then
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nmcli connection modify --temporary "$_uuid" ipv6.may-fail no &> >(ddebug)
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fi
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if [[ "x" != "x"$_ipv6_flag ]]; then
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# _ipaddr="2002::56ff:feb6:56d5/64", _netmask is the number after "/"
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_netmask=${_ipaddr#*\/}
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_srcaddr="[$_srcaddr]"
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_gateway="[$_gateway]"
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else
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_prefix=$(cut -d'/' -f2 <<< "$_ipaddr")
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if ! _netmask=$(cal_netmask_by_prefix "$_prefix" "$_ipv6_flag"); then
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derror "Failed to calculate netmask for $_ipaddr"
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exit 1
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fi
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fi
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echo -n "${_srcaddr}::${_gateway}:${_netmask}::"
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if [[ -v "ipv4_usage[$_netif]" ]] && [[ ! -v "ipv6_usage[$_netif]" ]]; then
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nmcli connection modify --temporary "$_uuid" ipv6.method disabled &> >(ddebug)
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elif [[ ! -v "ipv4_usage[$_netif]" ]] && [[ -v "ipv6_usage[$_netif]" ]]; then
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nmcli connection modify --temporary "$_uuid" ipv4.method disabled &> >(ddebug)
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fi
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}
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/sbin/ip $_ipv6_flag route show | grep -v default \
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| grep ".*via.* $_netdev " | grep -v "^[[:space:]]*nexthop" \
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| while read -r _route; do
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_target=$(echo "$_route" | awk '{print $1}')
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_nexthop=$(echo "$_route" | awk '{print $3}')
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if [[ "x" != "x"$_ipv6_flag ]]; then
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_target="[$_target]"
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_nexthop="[$_nexthop]"
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fi
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echo "rd.route=$_target:$_nexthop:$kdumpnic"
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done >> "${initdir}/etc/cmdline.d/45route-static.conf"
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_clone_nmconnection() {
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local _clone_output _name _unique_id
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_unique_id=$1
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_name=$(nmcli --get-values connection.id connection show "$_unique_id")
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if _clone_output=$(nmcli connection clone --temporary uuid "$_unique_id" "$_name"); then
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sed -E -n "s/.* \(.*\) cloned as.*\((.*)\)\.$/\1/p" <<< "$_clone_output"
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return 0
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fi
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kdump_handle_mulitpath_route "$_netdev" "$_srcaddr" "$kdumpnic"
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return 1
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}
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kdump_handle_mulitpath_route() {
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local _netdev="$1" _srcaddr="$2" kdumpnic="$3" _ipv6_flag
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local _target _nexthop _route _weight _max_weight _rule
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_match_nmconnection_by_mac() {
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local _unique_id _dev _mac _mac_field
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if is_ipv6_address "$_srcaddr"; then
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_ipv6_flag="-6"
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_unique_id=$1
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_dev=$2
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_mac=$(kdump_get_perm_addr "$_dev")
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[[ $_mac != 'not set' ]] || return
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_mac_field=$(nmcli --get-values connection.type connection show "$_unique_id").mac-address
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nmcli connection modify --temporary "$_unique_id" "$_mac_field" "$_mac" &> >(ddebug)
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nmcli connection modify --temporary "$_unique_id" "connection.interface-name" "" &> >(ddebug)
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}
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# Clone and modify NM connection profiles
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#
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# This function makes use of "nmcli clone" to automatically convert ifcfg-*
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# files to Networkmanager .nmconnection connection profiles and also modify the
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# properties of .nmconnection if necessary.
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clone_and_modify_nmconnection() {
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local _dev _cloned_nmconnection_file_path _tmp_nmconnection_file_path _old_uuid _uuid
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_dev=$1
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_nmconnection_file_path=$2
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_old_uuid=$(nmcli --get-values connection.uuid connection show filename "$_nmconnection_file_path")
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if ! _uuid=$(_clone_nmconnection "$_old_uuid"); then
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derror "Failed to clone $_old_uuid"
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exit 1
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fi
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while IFS="" read -r _route; do
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if [[ $_route =~ [[:space:]]+nexthop ]]; then
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_route=${_route##[[:space:]]}
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# Parse multipath route, using previous _target
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[[ $_target == 'default' ]] && continue
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[[ $_route =~ .*via.*\ $_netdev ]] || continue
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_weight=$(echo "$_route" | cut -d ' ' -f7)
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if [[ $_weight -gt $_max_weight ]]; then
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_nexthop=$(echo "$_route" | cut -d ' ' -f3)
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_max_weight=$_weight
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if [[ "x" != "x"$_ipv6_flag ]]; then
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_rule="rd.route=[$_target]:[$_nexthop]:$kdumpnic"
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else
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_rule="rd.route=$_target:$_nexthop:$kdumpnic"
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fi
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fi
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use_ipv4_or_ipv6 "$_dev" "$_uuid"
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nmcli connection modify --temporary uuid "$_uuid" connection.wait-device-timeout 60000 &> >(ddebug)
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# For physical NIC i.e. non-user created NIC, ask NM to match a
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# connection profile based on MAC address
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_match_nmconnection_by_mac "$_uuid" "$_dev"
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_cloned_nmconnection_file_path=$(nmcli --get-values UUID,FILENAME connection show | sed -n "s/^${_uuid}://p")
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_tmp_nmconnection_file_path=$_DRACUT_KDUMP_NM_TMP_DIR/$(basename "$_nmconnection_file_path")
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cp "$_cloned_nmconnection_file_path" "$_tmp_nmconnection_file_path"
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# change uuid back to old value in case it's refered by other connection
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# profile e.g. connection.master could be interface name of the master
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# device or UUID of the master connection.
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sed -i -E "s/(^uuid=).*$/\1${_old_uuid}/g" "$_tmp_nmconnection_file_path"
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nmcli connection del "$_uuid" &> >(ddebug)
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echo -n "$_tmp_nmconnection_file_path"
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}
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_install_nmconnection() {
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local _src _nmconnection_name _dst
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_src=$1
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_nmconnection_name=$(basename "$_src")
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_dst="/etc/NetworkManager/system-connections/$_nmconnection_name"
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inst "$_src" "$_dst"
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}
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kdump_install_nmconnections() {
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local _netif _nm_conn_path _cloned_nm_path
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while IFS=: read -r _netif _nm_conn_path; do
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[[ -v "unique_netifs[$_netif]" ]] || continue
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if _cloned_nm_path=$(clone_and_modify_nmconnection "$_netif" "$_nm_conn_path"); then
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_install_nmconnection "$_cloned_nm_path"
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else
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[[ -n $_rule ]] && echo "$_rule"
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_target=$(echo "$_route" | cut -d ' ' -f1)
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_rule="" _max_weight=0 _weight=0
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derror "Failed to install the .nmconnection for $_netif"
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exit 1
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fi
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done >> "${initdir}/etc/cmdline.d/45route-static.conf" \
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<<< "$(/sbin/ip $_ipv6_flag route show)"
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done <<< "$(nmcli -t -f device,filename connection show --active)"
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[[ -n $_rule ]] && echo "$_rule" >> "${initdir}/etc/cmdline.d/45route-static.conf"
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# Stop dracut 35network-manger to calling nm-initrd-generator.
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# Note this line of code can be removed after NetworkManager >= 1.35.2
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# gets released.
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echo > "${initdir}/usr/libexec/nm-initrd-generator"
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}
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kdump_get_mac_addr() {
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cat "/sys/class/net/$1/address"
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kdump_install_nm_netif_allowlist() {
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local _netif _except_netif _netif_allowlist _netif_allowlist_nm_conf
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for _netif in $1; do
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_per_mac=$(kdump_get_perm_addr "$_netif")
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if [[ "$_per_mac" != 'not set' ]]; then
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_except_netif="mac:$_per_mac"
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else
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_except_netif="interface-name:$_netif"
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fi
|
|
|
|
|
_netif_allowlist="${_netif_allowlist}except:${_except_netif};"
|
|
|
|
|
done
|
|
|
|
|
|
|
|
|
|
_netif_allowlist_nm_conf=$_DRACUT_KDUMP_NM_TMP_DIR/netif_allowlist_nm_conf
|
|
|
|
|
cat << EOF > "$_netif_allowlist_nm_conf"
|
|
|
|
|
[device-others]
|
|
|
|
|
match-device=${_netif_allowlist}
|
|
|
|
|
managed=false
|
|
|
|
|
EOF
|
|
|
|
|
|
|
|
|
|
inst "$_netif_allowlist_nm_conf" "/etc/NetworkManager/conf.d/10-kdump-netif_allowlist.conf"
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#Bonding or team master modifies the mac address
|
|
|
|
|
#of its slaves, we should use perm address
|
|
|
|
|
kdump_get_perm_addr() {
|
|
|
|
|
local addr
|
|
|
|
|
addr=$(ethtool -P "$1" | sed -e 's/Permanent address: //')
|
|
|
|
|
if [[ -z $addr ]] || [[ $addr == "00:00:00:00:00:00" ]]; then
|
|
|
|
|
derror "Can't get the permanent address of $1"
|
|
|
|
|
else
|
|
|
|
|
echo "$addr"
|
|
|
|
|
fi
|
|
|
|
|
_get_nic_driver() {
|
|
|
|
|
ethtool -i "$1" | sed -n -E "s/driver: (.*)/\1/p"
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
# Prefix kernel assigned names with "kdump-". EX: eth0 -> kdump-eth0
|
|
|
|
|
# Because kernel assigned names are not persistent between 1st and 2nd
|
|
|
|
|
# kernel. We could probably end up with eth0 being eth1, eth0 being
|
|
|
|
|
# eth1, and naming conflict happens.
|
|
|
|
|
kdump_setup_ifname() {
|
|
|
|
|
local _ifname
|
|
|
|
|
|
|
|
|
|
# If ifname already has 'kdump-' prefix, we must be switching from
|
|
|
|
|
# fadump to kdump. Skip prefixing 'kdump-' in this case as adding
|
|
|
|
|
# another prefix may truncate the ifname. Since an ifname with
|
|
|
|
|
# 'kdump-' is already persistent, this should be fine.
|
|
|
|
|
if [[ $1 =~ eth* ]] && [[ ! $1 =~ ^kdump-* ]]; then
|
|
|
|
|
_ifname="kdump-$1"
|
|
|
|
|
else
|
|
|
|
|
_ifname="$1"
|
|
|
|
|
fi
|
|
|
|
|
_get_hpyerv_physical_driver() {
|
|
|
|
|
local _physical_nic
|
|
|
|
|
|
|
|
|
|
_physical_nic=$(find /sys/class/net/"$1"/ -name 'lower_*' | sed -En "s/\/.*lower_(.*)/\1/p")
|
|
|
|
|
[[ -n $_physical_nic ]] || return
|
|
|
|
|
_get_nic_driver "$_physical_nic"
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
kdump_install_nic_driver() {
|
|
|
|
|
local _netif _driver _drivers
|
|
|
|
|
|
|
|
|
|
_drivers=()
|
|
|
|
|
|
|
|
|
|
for _netif in $1; do
|
|
|
|
|
[[ $_netif == lo ]] && continue
|
|
|
|
|
_driver=$(_get_nic_driver "$_netif")
|
|
|
|
|
if [[ -z $_driver ]]; then
|
|
|
|
|
derror "Failed to get the driver of $_netif"
|
|
|
|
|
exit 1
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
if [[ $_driver == "802.1Q VLAN Support" ]]; then
|
|
|
|
|
# ethtool somehow doesn't return the driver name for a VLAN NIC
|
|
|
|
|
_driver=8021q
|
|
|
|
|
elif [[ $_driver == "team" ]]; then
|
|
|
|
|
# install the team mode drivers like team_mode_roundrobin.ko as well
|
|
|
|
|
_driver='=drivers/net/team'
|
|
|
|
|
elif [[ $_driver == "hv_netvsc" ]]; then
|
|
|
|
|
# A Hyper-V VM may have accelerated networking
|
|
|
|
|
# https://learn.microsoft.com/en-us/azure/virtual-network/accelerated-networking-overview
|
|
|
|
|
# Install the driver of physical NIC as well
|
|
|
|
|
_drivers+=("$(_get_hpyerv_physical_driver "$_netif")")
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
echo "$_ifname"
|
|
|
|
|
_drivers+=("$_driver")
|
|
|
|
|
done
|
|
|
|
|
|
|
|
|
|
[[ -n ${_drivers[*]} ]] || return
|
|
|
|
|
instmods "${_drivers[@]}"
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
kdump_setup_bridge() {
|
|
|
|
|
local _netdev=$1
|
|
|
|
|
local _brif _dev _mac _kdumpdev
|
|
|
|
|
local _dev
|
|
|
|
|
for _dev in "/sys/class/net/$_netdev/brif/"*; do
|
|
|
|
|
[[ -e $_dev ]] || continue
|
|
|
|
|
_dev=${_dev##*/}
|
|
|
|
|
_kdumpdev=$_dev
|
|
|
|
|
if kdump_is_bond "$_dev"; then
|
|
|
|
|
(kdump_setup_bond "$_dev" "$(get_nmcli_connection_apath_by_ifname "$_dev")") || exit 1
|
|
|
|
|
kdump_setup_bond "$_dev" || return 1
|
|
|
|
|
elif kdump_is_team "$_dev"; then
|
|
|
|
|
kdump_setup_team "$_dev"
|
|
|
|
|
elif kdump_is_vlan "$_dev"; then
|
|
|
|
|
kdump_setup_vlan "$_dev"
|
|
|
|
|
else
|
|
|
|
|
_mac=$(kdump_get_mac_addr "$_dev")
|
|
|
|
|
_kdumpdev=$(kdump_setup_ifname "$_dev")
|
|
|
|
|
echo -n " ifname=$_kdumpdev:$_mac" >> "${initdir}/etc/cmdline.d/41bridge.conf"
|
|
|
|
|
fi
|
|
|
|
|
_brif+="$_kdumpdev,"
|
|
|
|
|
_save_kdump_netifs "$_dev"
|
|
|
|
|
done
|
|
|
|
|
echo " bridge=$_netdev:${_brif%,}" >> "${initdir}/etc/cmdline.d/41bridge.conf"
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
# drauct takes bond=<bondname>[:<bondslaves>:[:<options>]] syntax to parse
|
|
|
|
|
# bond. For example:
|
|
|
|
|
# bond=bond0:eth0,eth1:mode=balance-rr
|
|
|
|
|
kdump_setup_bond() {
|
|
|
|
|
local _netdev="$1"
|
|
|
|
|
local _conpath="$2"
|
|
|
|
|
local _dev _mac _slaves _kdumpdev _bondoptions
|
|
|
|
|
for _dev in $(cat "/sys/class/net/$_netdev/bonding/slaves"); do
|
|
|
|
|
_mac=$(kdump_get_perm_addr "$_dev")
|
|
|
|
|
_kdumpdev=$(kdump_setup_ifname "$_dev")
|
|
|
|
|
echo -n " ifname=$_kdumpdev:$_mac" >> "${initdir}/etc/cmdline.d/42bond.conf"
|
|
|
|
|
_slaves+="$_kdumpdev,"
|
|
|
|
|
done
|
|
|
|
|
echo -n " bond=$_netdev:${_slaves%,}" >> "${initdir}/etc/cmdline.d/42bond.conf"
|
|
|
|
|
|
|
|
|
|
_bondoptions=$(get_nmcli_field_by_conpath "bond.options" "$_conpath")
|
|
|
|
|
|
|
|
|
|
if [[ -z $_bondoptions ]]; then
|
|
|
|
|
dwarning "Failed to get bond configuration via nmlci output. Now try sourcing ifcfg script."
|
|
|
|
|
source_ifcfg_file "$_netdev"
|
|
|
|
|
_bondoptions="$(echo "$BONDING_OPTS" | xargs echo | tr " " ",")"
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
if [[ -z $_bondoptions ]]; then
|
|
|
|
|
derror "Get empty bond options"
|
|
|
|
|
exit 1
|
|
|
|
|
fi
|
|
|
|
|
local _dev
|
|
|
|
|
|
|
|
|
|
echo ":$_bondoptions" >> "${initdir}/etc/cmdline.d/42bond.conf"
|
|
|
|
|
for _dev in $(< "/sys/class/net/$_netdev/bonding/slaves"); do
|
|
|
|
|
_save_kdump_netifs "$_dev"
|
|
|
|
|
done
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
kdump_setup_team() {
|
|
|
|
|
local _netdev=$1
|
|
|
|
|
local _dev _mac _slaves _kdumpdev
|
|
|
|
|
local _dev
|
|
|
|
|
for _dev in $(teamnl "$_netdev" ports | awk -F':' '{print $2}'); do
|
|
|
|
|
_mac=$(kdump_get_perm_addr "$_dev")
|
|
|
|
|
_kdumpdev=$(kdump_setup_ifname "$_dev")
|
|
|
|
|
echo -n " ifname=$_kdumpdev:$_mac" >> "${initdir}/etc/cmdline.d/44team.conf"
|
|
|
|
|
_slaves+="$_kdumpdev,"
|
|
|
|
|
_save_kdump_netifs "$_dev"
|
|
|
|
|
done
|
|
|
|
|
echo " team=$_netdev:${_slaves%,}" >> "${initdir}/etc/cmdline.d/44team.conf"
|
|
|
|
|
#Buggy version teamdctl outputs to stderr!
|
|
|
|
|
#Try to use the latest version of teamd.
|
|
|
|
|
if ! teamdctl "$_netdev" config dump > "${initdir}/tmp/$$-$_netdev.conf"; then
|
|
|
|
|
derror "teamdctl failed."
|
|
|
|
|
exit 1
|
|
|
|
|
fi
|
|
|
|
|
inst_dir /etc/teamd
|
|
|
|
|
inst_simple "${initdir}/tmp/$$-$_netdev.conf" "/etc/teamd/$_netdev.conf"
|
|
|
|
|
rm -f "${initdir}/tmp/$$-$_netdev.conf"
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
kdump_setup_vlan() {
|
|
|
|
|
local _netdev=$1
|
|
|
|
|
local _phydev
|
|
|
|
|
local _netmac
|
|
|
|
|
local _kdumpdev
|
|
|
|
|
local _parent_netif
|
|
|
|
|
|
|
|
|
|
_phydev="$(awk '/^Device:/{print $2}' /proc/net/vlan/"$_netdev")"
|
|
|
|
|
_netmac="$(kdump_get_mac_addr "$_phydev")"
|
|
|
|
|
_parent_netif="$(awk '/^Device:/{print $2}' /proc/net/vlan/"$_netdev")"
|
|
|
|
|
|
|
|
|
|
#Just support vlan over bond and team
|
|
|
|
|
if kdump_is_bridge "$_phydev"; then
|
|
|
|
|
if kdump_is_bridge "$_parent_netif"; then
|
|
|
|
|
derror "Vlan over bridge is not supported!"
|
|
|
|
|
exit 1
|
|
|
|
|
elif kdump_is_bond "$_phydev"; then
|
|
|
|
|
(kdump_setup_bond "$_phydev" "$(get_nmcli_connection_apath_by_ifname "$_phydev")") || exit 1
|
|
|
|
|
echo " vlan=$(kdump_setup_ifname "$_netdev"):$_phydev" > "${initdir}/etc/cmdline.d/43vlan.conf"
|
|
|
|
|
else
|
|
|
|
|
_kdumpdev="$(kdump_setup_ifname "$_phydev")"
|
|
|
|
|
echo " vlan=$(kdump_setup_ifname "$_netdev"):$_kdumpdev ifname=$_kdumpdev:$_netmac" > "${initdir}/etc/cmdline.d/43vlan.conf"
|
|
|
|
|
elif kdump_is_bond "$_parent_netif"; then
|
|
|
|
|
kdump_setup_bond "$_parent_netif" || return 1
|
|
|
|
|
elif kdump_is_team "$_parent_netif"; then
|
|
|
|
|
kdump_setup_team "$_parent_netif" || return 1
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
_save_kdump_netifs "$_parent_netif"
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
# find online znet device
|
|
|
|
|
# return ifname (_netdev)
|
|
|
|
|
# code reaped from the list_configured function of
|
|
|
|
|
# https://github.com/hreinecke/s390-tools/blob/master/zconf/znetconf
|
|
|
|
|
find_online_znet_device() {
|
|
|
|
|
local CCWGROUPBUS_DEVICEDIR="/sys/bus/ccwgroup/devices"
|
|
|
|
|
local NETWORK_DEVICES d ifname ONLINE
|
|
|
|
|
|
|
|
|
|
[[ ! -d $CCWGROUPBUS_DEVICEDIR ]] && return
|
|
|
|
|
NETWORK_DEVICES=$(find $CCWGROUPBUS_DEVICEDIR)
|
|
|
|
|
for d in $NETWORK_DEVICES; do
|
|
|
|
|
[[ ! -f "$d/online" ]] && continue
|
|
|
|
|
read -r ONLINE < "$d/online"
|
|
|
|
|
if [[ $ONLINE -ne 1 ]]; then
|
|
|
|
|
continue
|
|
|
|
|
fi
|
|
|
|
|
# determine interface name, if there (only for qeth and if
|
|
|
|
|
# device is online)
|
|
|
|
|
if [[ -f $d/if_name ]]; then
|
|
|
|
|
read -r ifname < "$d/if_name"
|
|
|
|
|
elif [[ -d $d/net ]]; then
|
|
|
|
|
ifname=$(ls "$d/net/")
|
|
|
|
|
fi
|
|
|
|
|
[[ -n $ifname ]] && break
|
|
|
|
|
done
|
|
|
|
|
echo -n "$ifname"
|
|
|
|
|
_find_znet_nmconnection() {
|
|
|
|
|
LANG=C grep -s -E -i -l \
|
|
|
|
|
"^s390-subchannels=([0-9]\.[0-9]\.[a-f0-9]+;){0,2}" \
|
|
|
|
|
"$1"/*.nmconnection | LC_ALL=C sed -e "$2"
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
# setup s390 znet cmdline
|
|
|
|
|
# $1: netdev (ifname)
|
|
|
|
|
# $2: nmcli connection path
|
|
|
|
|
# setup s390 znet
|
|
|
|
|
#
|
|
|
|
|
# Note part of code is extracted from ccw_init provided by s390utils
|
|
|
|
|
kdump_setup_znet() {
|
|
|
|
|
local _netdev="$1"
|
|
|
|
|
local _conpath="$2"
|
|
|
|
|
local s390_prefix="802-3-ethernet.s390-"
|
|
|
|
|
local _options=""
|
|
|
|
|
local NETTYPE
|
|
|
|
|
local SUBCHANNELS
|
|
|
|
|
|
|
|
|
|
NETTYPE=$(get_nmcli_field_by_conpath "${s390_prefix}nettype" "$_conpath")
|
|
|
|
|
SUBCHANNELS=$(get_nmcli_field_by_conpath "${s390_prefix}subchannels" "$_conpath")
|
|
|
|
|
_options=$(get_nmcli_field_by_conpath "${s390_prefix}options" "$_conpath")
|
|
|
|
|
|
|
|
|
|
if [[ -z $NETTYPE || -z $SUBCHANNELS || -z $_options ]]; then
|
|
|
|
|
dwarning "Failed to get znet configuration via nmlci output. Now try sourcing ifcfg script."
|
|
|
|
|
source_ifcfg_file "$_netdev"
|
|
|
|
|
for i in $OPTIONS; do
|
|
|
|
|
_options=${_options},$i
|
|
|
|
|
done
|
|
|
|
|
local _config_file _unique_name _NM_conf_dir
|
|
|
|
|
local __sed_discard_ignored_files='/\(~\|\.bak\|\.old\|\.orig\|\.rpmnew\|\.rpmorig\|\.rpmsave\)$/d'
|
|
|
|
|
|
|
|
|
|
if [[ "$(uname -m)" != "s390x" ]]; then
|
|
|
|
|
return
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
if [[ -z $NETTYPE || -z $SUBCHANNELS || -z $_options ]]; then
|
|
|
|
|
exit 1
|
|
|
|
|
_NM_conf_dir="/etc/NetworkManager/system-connections"
|
|
|
|
|
|
|
|
|
|
_config_file=$(_find_znet_nmconnection "$initdir/$_NM_conf_dir" "$__sed_discard_ignored_files")
|
|
|
|
|
if [[ -n "$_config_file" ]]; then
|
|
|
|
|
ddebug "$_config_file has already contained the znet config"
|
|
|
|
|
return
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
echo "rd.znet=${NETTYPE},${SUBCHANNELS},${_options} rd.znet_ifname=$_netdev:${SUBCHANNELS}" > "${initdir}/etc/cmdline.d/30znet.conf"
|
|
|
|
|
}
|
|
|
|
|
_config_file=$(LANG=C grep -s -E -i -l \
|
|
|
|
|
"^[[:space:]]*SUBCHANNELS=['\"]?([0-9]\.[0-9]\.[a-f0-9]+,){0,2}" \
|
|
|
|
|
/etc/sysconfig/network-scripts/ifcfg-* \
|
|
|
|
|
| LC_ALL=C sed -e "$__sed_discard_ignored_files")
|
|
|
|
|
|
|
|
|
|
kdump_get_ip_route() {
|
|
|
|
|
local _route
|
|
|
|
|
if ! _route=$(/sbin/ip -o route get to "$1" 2>&1); then
|
|
|
|
|
derror "Bad kdump network destination: $1"
|
|
|
|
|
exit 1
|
|
|
|
|
if [[ -z "$_config_file" ]]; then
|
|
|
|
|
_config_file=$(_find_znet_nmconnection "$_NM_conf_dir" "$__sed_discard_ignored_files")
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
if [[ -n "$_config_file" ]]; then
|
|
|
|
|
_unique_name=$(cat /proc/sys/kernel/random/uuid)
|
|
|
|
|
nmcli connection clone --temporary "$_config_file" "$_unique_name" &> >(ddebug)
|
|
|
|
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nmcli connection modify --temporary "$_unique_name" connection.autoconnect false
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inst "/run/NetworkManager/system-connections/${_unique_name}.nmconnection" "${_NM_conf_dir}/${_unique_name}.nmconnection"
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nmcli connection del "$_unique_name" &> >(ddebug)
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fi
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echo "$_route"
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}
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kdump_get_ip_route_field() {
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echo "$1" | sed -n -e "s/^.*\<$2\>\s\+\(\S\+\).*$/\1/p"
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}
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kdump_get_remote_ip() {
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@ -527,83 +532,55 @@ kdump_get_remote_ip() {
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echo "$_remote"
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}
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# Setup dracut to bring up network interface that enable
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# initramfs accessing giving destination
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# Collect netifs needed by kdump
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# $1: destination host
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kdump_install_net() {
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local _destaddr _srcaddr _route _netdev _conpath kdumpnic
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local _static _proto _ip_conf _ip_opts _ifname_opts
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local _znet_netdev _znet_conpath
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kdump_collect_netif_usage() {
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local _destaddr _srcaddr _route _netdev
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_destaddr=$(kdump_get_remote_ip "$1")
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_route=$(kdump_get_ip_route "$_destaddr")
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_srcaddr=$(kdump_get_ip_route_field "$_route" "src")
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_netdev=$(kdump_get_ip_route_field "$_route" "dev")
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_conpath=$(get_nmcli_connection_apath_by_ifname "$_netdev")
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_netmac=$(kdump_get_mac_addr "$_netdev")
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kdumpnic=$(kdump_setup_ifname "$_netdev")
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_znet_netdev=$(find_online_znet_device)
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if [[ -n $_znet_netdev ]]; then
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_znet_conpath=$(get_nmcli_connection_apath_by_ifname "$_znet_netdev")
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|
if ! (kdump_setup_znet "$_znet_netdev" "$_znet_conpath"); then
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|
|
derror "Failed to set up znet"
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exit 1
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fi
|
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|
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fi
|
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|
|
_static=$(kdump_static_ip "$_netdev" "$_srcaddr" "$kdumpnic")
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|
|
if [[ -n $_static ]]; then
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|
_proto=none
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|
|
elif is_ipv6_address "$_srcaddr"; then
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_proto=auto6
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else
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|
_proto=dhcp
|
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|
fi
|
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|
|
_ip_conf="${initdir}/etc/cmdline.d/40ip.conf"
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|
|
_ip_opts=" ip=${_static}$kdumpnic:${_proto}"
|
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|
|
# dracut doesn't allow duplicated configuration for same NIC, even they're exactly the same.
|
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|
|
# so we have to avoid adding duplicates
|
|
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|
|
# We should also check /proc/cmdline for existing ip=xx arg.
|
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|
|
# For example, iscsi boot will specify ip=xxx arg in cmdline.
|
|
|
|
|
if [[ ! -f $_ip_conf ]] || ! grep -q "$_ip_opts" "$_ip_conf" \
|
|
|
|
|
&& ! grep -q "ip=[^[:space:]]*$_netdev" /proc/cmdline; then
|
|
|
|
|
echo "$_ip_opts" >> "$_ip_conf"
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
if kdump_is_bridge "$_netdev"; then
|
|
|
|
|
kdump_setup_bridge "$_netdev"
|
|
|
|
|
elif kdump_is_bond "$_netdev"; then
|
|
|
|
|
(kdump_setup_bond "$_netdev" "$_conpath") || exit 1
|
|
|
|
|
kdump_setup_bond "$_netdev" || return 1
|
|
|
|
|
elif kdump_is_team "$_netdev"; then
|
|
|
|
|
kdump_setup_team "$_netdev"
|
|
|
|
|
elif kdump_is_vlan "$_netdev"; then
|
|
|
|
|
kdump_setup_vlan "$_netdev"
|
|
|
|
|
else
|
|
|
|
|
_ifname_opts=" ifname=$kdumpnic:$_netmac"
|
|
|
|
|
echo "$_ifname_opts" >> "$_ip_conf"
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
kdump_setup_dns "$_netdev" "$_conpath"
|
|
|
|
|
_save_kdump_netifs "$_netdev"
|
|
|
|
|
|
|
|
|
|
if [[ ! -f ${initdir}/etc/cmdline.d/50neednet.conf ]]; then
|
|
|
|
|
# network-manager module needs this parameter
|
|
|
|
|
echo "rd.neednet" >> "${initdir}/etc/cmdline.d/50neednet.conf"
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# Save netdev used for kdump as cmdline
|
|
|
|
|
# Whoever calling kdump_install_net() is setting up the default gateway,
|
|
|
|
|
# ie. bootdev/kdumpnic. So don't override the setting if calling
|
|
|
|
|
# kdump_install_net() for another time. For example, after setting eth0 as
|
|
|
|
|
# the default gate way for network dump, eth1 in the fence kdump path will
|
|
|
|
|
# call kdump_install_net again and we don't want eth1 to be the default
|
|
|
|
|
# gateway.
|
|
|
|
|
if [[ ! -f ${initdir}/etc/cmdline.d/60kdumpnic.conf ]] \
|
|
|
|
|
&& [[ ! -f ${initdir}/etc/cmdline.d/70bootdev.conf ]]; then
|
|
|
|
|
echo "kdumpnic=$kdumpnic" > "${initdir}/etc/cmdline.d/60kdumpnic.conf"
|
|
|
|
|
echo "bootdev=$kdumpnic" > "${initdir}/etc/cmdline.d/70bootdev.conf"
|
|
|
|
|
if [[ ! -f ${initdir}/etc/cmdline.d/60kdumpip.conf ]]; then
|
|
|
|
|
echo "kdump_remote_ip=$_destaddr" > "${initdir}/etc/cmdline.d/60kdumpip.conf"
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
if is_ipv6_address "$_srcaddr"; then
|
|
|
|
|
ipv6_usage[$_netdev]=1
|
|
|
|
|
else
|
|
|
|
|
ipv4_usage[$_netdev]=1
|
|
|
|
|
fi
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
# Setup dracut to bring up network interface that enable
|
|
|
|
|
# initramfs accessing giving destination
|
|
|
|
|
kdump_install_net() {
|
|
|
|
|
local _netifs
|
|
|
|
|
|
|
|
|
|
_netifs=$(_get_kdump_netifs)
|
|
|
|
|
if [[ -n "$_netifs" ]]; then
|
|
|
|
|
kdump_install_nmconnections
|
|
|
|
|
apply_nm_initrd_generator_timeouts
|
|
|
|
|
kdump_setup_znet
|
|
|
|
|
kdump_install_nm_netif_allowlist "$_netifs"
|
|
|
|
|
kdump_install_nic_driver "$_netifs"
|
|
|
|
|
fi
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@ -642,7 +619,7 @@ default_dump_target_install_conf() {
|
|
|
|
|
|
|
|
|
|
_fstype=$(get_fs_type_from_target "$_target")
|
|
|
|
|
if is_fs_type_nfs "$_fstype"; then
|
|
|
|
|
kdump_install_net "$_target"
|
|
|
|
|
kdump_collect_netif_usage "$_target"
|
|
|
|
|
_fstype="nfs"
|
|
|
|
|
else
|
|
|
|
|
_target=$(kdump_get_persistent_dev "$_target")
|
|
|
|
|
@ -673,16 +650,16 @@ kdump_install_conf() {
|
|
|
|
|
_pdev=$(persistent_policy="by-id" kdump_get_persistent_dev "$_val")
|
|
|
|
|
sed -i -e "s#^${_opt}[[:space:]]\+$_val#$_opt $_pdev#" "${initdir}/tmp/$$-kdump.conf"
|
|
|
|
|
;;
|
|
|
|
|
ext[234] | xfs | btrfs | minix)
|
|
|
|
|
ext[234] | xfs | btrfs | minix | virtiofs)
|
|
|
|
|
_pdev=$(kdump_get_persistent_dev "$_val")
|
|
|
|
|
sed -i -e "s#^${_opt}[[:space:]]\+$_val#$_opt $_pdev#" "${initdir}/tmp/$$-kdump.conf"
|
|
|
|
|
;;
|
|
|
|
|
ssh | nfs)
|
|
|
|
|
kdump_install_net "$_val"
|
|
|
|
|
kdump_collect_netif_usage "$_val"
|
|
|
|
|
;;
|
|
|
|
|
dracut_args)
|
|
|
|
|
if [[ $(get_dracut_args_fstype "$_val") == nfs* ]]; then
|
|
|
|
|
kdump_install_net "$(get_dracut_args_target "$_val")"
|
|
|
|
|
kdump_collect_netif_usage "$(get_dracut_args_target "$_val")"
|
|
|
|
|
fi
|
|
|
|
|
;;
|
|
|
|
|
kdump_pre | kdump_post | extra_bins)
|
|
|
|
|
@ -804,7 +781,7 @@ kdump_setup_iscsi_device() {
|
|
|
|
|
|
|
|
|
|
[[ -n $username_in ]] && userpwd_in_str=":$username_in:$password_in"
|
|
|
|
|
|
|
|
|
|
kdump_install_net "$tgt_ipaddr"
|
|
|
|
|
kdump_collect_netif_usage "$tgt_ipaddr"
|
|
|
|
|
|
|
|
|
|
# prepare netroot= command line
|
|
|
|
|
# FIXME: Do we need to parse and set other parameters like protocol, port
|
|
|
|
|
@ -840,7 +817,7 @@ kdump_check_iscsi_targets() {
|
|
|
|
|
# If our prerequisites are not met, fail anyways.
|
|
|
|
|
type -P iscsistart > /dev/null || return 1
|
|
|
|
|
|
|
|
|
|
kdump_check_setup_iscsi() (
|
|
|
|
|
kdump_check_setup_iscsi() {
|
|
|
|
|
local _dev
|
|
|
|
|
_dev=$1
|
|
|
|
|
|
|
|
|
|
@ -850,7 +827,7 @@ kdump_check_iscsi_targets() {
|
|
|
|
|
cd ..
|
|
|
|
|
done
|
|
|
|
|
[[ -d iscsi_session ]] && kdump_setup_iscsi_device "$PWD"
|
|
|
|
|
)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
[[ $hostonly ]] || [[ $mount_needs ]] && {
|
|
|
|
|
for_each_host_dev_and_slaves_all kdump_check_setup_iscsi
|
|
|
|
|
@ -968,7 +945,7 @@ kdump_configure_fence_kdump() {
|
|
|
|
|
|
|
|
|
|
# setup network for each node
|
|
|
|
|
for node in ${nodes}; do
|
|
|
|
|
kdump_install_net "$node"
|
|
|
|
|
kdump_collect_netif_usage "$node"
|
|
|
|
|
done
|
|
|
|
|
|
|
|
|
|
dracut_install /etc/hosts
|
|
|
|
|
@ -1017,6 +994,7 @@ remove_cpu_online_rule() {
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
install() {
|
|
|
|
|
declare -A unique_netifs ipv4_usage ipv6_usage
|
|
|
|
|
local arch
|
|
|
|
|
|
|
|
|
|
kdump_module_init
|
|
|
|
|
@ -1076,6 +1054,8 @@ install() {
|
|
|
|
|
inst "ip"
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
kdump_install_net
|
|
|
|
|
|
|
|
|
|
# For the lvm type target under kdump, in /etc/lvm/lvm.conf we can
|
|
|
|
|
# safely replace "reserved_memory=XXXX"(default value is 8192) with
|
|
|
|
|
# "reserved_memory=1024" to lower memory pressure under kdump. We do
|
|
|
|
|
|
CentOS Sources
2 years ago
committed by
MSVSphere Packaging Team