further updates to mkdumprd for scp dumping with busybox
This commit is contained in:
Neil Horman
parent
9ac14dd3ed
commit
31a04fb720
124
mkdumprd
124
mkdumprd
@ -1,7 +1,7 @@
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#!/bin/bash --norc
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# vim:sts=4:sw=4:ts=8:et
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# mkinitrd
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# mkdumprd
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#
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# Copyright 2005 Red Hat, Inc.
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#
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@ -24,6 +24,7 @@
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# Bill Nottingham <notting@redhat.com>
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# Guillaume Cottenceau <gc@mandrakesoft.com>
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# Peter Jones <pjones@redhat.com>
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# Neil Horman <nhorman@redhat.com>
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umask 0022
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@ -386,7 +387,7 @@ handlelvordev() {
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handlenetdev() {
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local dev=$1
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local rip=$2
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source /etc/sysconfig/network
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if [ ! -f /etc/sysconfig/network-scripts/ifcfg-$dev ]; then
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error "unable to find network device configuration for $dev"
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@ -395,8 +396,15 @@ handlenetdev() {
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[ -n "$BOOTPROTO" ] || error "bootproto not specified for $dev"
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findnetdriver $dev
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[ -z "$IPADDR" ] && IPADDR=`ip addr show dev $dev scope global | grep inet | awk '{print $2}' | cut -d/ -f1`
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[ -n "$IPADDR" ] && IPSTR="$IPSTR --ip $IPADDR"
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if [ -z "$NETMASK" ]; then
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IPPREFIX=`ip addr show dev $dev scope global | grep inet | awk '{print $2}'`
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NETMASK=`ipcalc --netmask $IPPREFIX | cut -d= -f2`
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fi
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[ -n "$NETMASK" ] && IPSTR="$IPSTR --netmask $NETMASK"
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[ -z "$GATEWAY" ] && GATEWAY=`ip route get to $rip | awk '/.*via.*/{print$3}'`
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[ -z "$GATEWAY" ] && GATEWAY=`ip route list | grep default | awk '/.*via.*/{print$3}'`
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[ -n "$GATEWAY" ] && IPSTR="$IPSTR --gateway $GATEWAY"
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[ -n "$ETHTOOL_OPTS" ] && IPSTR="$IPSTR --ethtool \"$ETHTOOL_OPTS\""
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[ -n "$MTU" ] && IPSTR="$IPSTR --mtu $MTU"
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@ -420,7 +428,19 @@ handlenetdev() {
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dev=$KDUMP_IFC
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fi
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network="network --device $dev --bootproto $BOOTPROTO $IPSTR"
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BUS_ID=`/sbin/ethtool -i $dev | grep bus-info`
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cat >> $MNTIMAGE/etc/ifcfg-$dev << EOF
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IPADDR=$IPADDR
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NETMASK=$NETMASK
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GATEWAY=$GATEWAY
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ETHTOL_OPTS=$ETHTOOL_OPTS
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MTU=$MTU
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DNS1=$DNS1
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DNS2=$DNS2
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BOOTPROTO=$BOOTPROTO
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BUS_ID="$BUS_ID"
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EOF
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}
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while [ $# -gt 0 ]; do
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@ -848,7 +868,8 @@ if [ -n "$KDUMP_CONFIG_FILE" ]; then
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netdev=`echo $netdev|awk '{print $3;}'|head -n 1`
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#add the ethernet device to the list of modules
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handlenetdev $netdev
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mkdir -p $MNTIMAGE/etc
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handlenetdev $netdev $rhost
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#load nfs modules, if needed
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echo $location | grep -v "@" > /dev/null && findmodule nfs
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@ -902,6 +923,7 @@ mkdir -p $MNTIMAGE/proc
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mkdir -p $MNTIMAGE/sys
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mkdir -p $MNTIMAGE/sysroot
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mkdir -p $MNTIMAGE/modules
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mkdir -p $MNTIMAGE/usr/share/udhcpc
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ln -s bin $MNTIMAGE/sbin
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@ -941,6 +963,13 @@ EOF
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chmod 755 $MNTIMAGE/bin/sh
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cat >> $MNTIMAGE/usr/share/udhcpc/default.script << EOF
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#!/bin/msh
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EOF
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chmod 755 $MNTIMAGE/usr/share/udhcpc/default.script
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if [ -e /etc/fstab.sys ]; then
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inst /etc/fstab.sys "$MNTIMAGE/etc/fstab.sys"
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fi
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@ -993,9 +1022,8 @@ if [ -n "$vg_list" ]; then
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fi
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echo -n >| $RCFILE
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cemit << EOF
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cat >> $MNTIMAGE/init << EOF
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#!/bin/msh
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mount -t proc /proc /proc
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setquiet
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echo Mounting proc filesystem
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@ -1015,7 +1043,7 @@ mknod /dev/tty c 5 0
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mknod /dev/console c 5 1
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mknod /dev/ptmx c 5 2
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mknod /dev/rtc c 10 135
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mknod /dev/urandom c 1 9
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EOF
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if [ "$(uname -m)" == "ia64" ]; then
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emit "mknod $MNTIMAGE/dev/efirtc c 10 136"
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@ -1080,7 +1108,10 @@ emit " MINOR_END=\`echo \$MINOR_NUM 10 + p | dc\`"
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emit " MINOR_START=\`echo \$MINOR_NUM 1 + p | dc\`"
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emit " for j in \`seq \$MINOR_START 1 \$MINOR_END\`"
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emit " do"
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emit " mknod /dev/\$i\$j b \$MAJOR_NUM \$j"
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emit " if [ ! -e /dev/\$i\$j ]"
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emit " then"
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emit " mknod /dev/\$i\$j b \$MAJOR_NUM \$j"
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emit " fi"
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emit " done"
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emit "done"
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@ -1113,13 +1144,16 @@ if [ -n "$vg_list" ]; then
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emit "lvm vgscan --ignorelockingfailure --mknodes"
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emit "echo Activating logical volumes"
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emit "lvm vgchange -a y --ignorelockingfailure"
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emit "for i in \`lvm lvs | awk '/Log.*/ { print \$1}'\`"
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emit "DM_NUM=0"
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emit "for i in \`lvm lvs | awk '{ if (NR > 1) print \$1}'\`"
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emit "do"
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emit " VGRP=\`lvm lvs | grep \$i | cut -d\" \" -f4\`"
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emit " mkdir -p /dev/\$VGRP"
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emit " if [ ! -e /dev/\$VGRP/\$i ]"
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emit " then"
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emit " ln -s /dev/mapper/\$VGRP-\$i /dev/\$VGRP/\$i"
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emit " ln -s /dev/mapper/\$VGRP-\$i /dev/dm-\$DM_NUM"
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emit " DM_NUM=\`echo \$DM_NUM 1 + p | dc\`"
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emit " if [ -z \"\$noresume\" ]"
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emit " then"
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emit " /sbin/dmsetup resume /dev/mapper/\$VGRP-\$i"
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@ -1135,12 +1169,13 @@ kdump_chk()
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exit 1
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}
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emit "DATE=\`date +%Y-%M-%d-%T\`"
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if [ -n "$KDUMP_CONFIG_FILE" ]; then
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memtotal=`cat /proc/meminfo | grep MemTotal | awk '{print $2}'`
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#timezone info for date which outputs YYYY-MM-DD-hh:mm
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cp /etc/localtime $MNTIMAGE/etc/localtime
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bin="/sbin/dmsetup /sbin/kcp /usr/bin/scp /usr/bin/ssh /sbin/kcp /sbin/ethtool /sbin/mdadm"
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bin="/sbin/dmsetup /usr/bin/scp /usr/bin/ssh /sbin/ethtool /sbin/mdadm"
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#ssh, scp require libraries that aren't found with ldd
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lib=/lib && [ -d "/lib64" ] && lib=/lib64
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k_extras="/$lib/libnss_compat.so.2 /$lib/libnss_files.so.2"
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@ -1175,9 +1210,44 @@ if [ -n "$KDUMP_CONFIG_FILE" ]; then
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grep "^root" /etc/passwd > $MNTIMAGE/etc/passwd
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# bring up the network
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emit "echo Bring up network"
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emit $network
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emit "for i in \`ls /etc/ifcfg*\`"
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emit "do"
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emit " NETDEV=\`echo \$i | cut -d\"-\" -f2\`"
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emit " echo activating \$NETDEV"
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emit " REAL_DEV=\"\""
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emit " #first source the config information"
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emit " . /etc/ifcfg-\$NETDEV"
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emit " #now search for the real device name"
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emit " #based on bus id information"
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emit " for i in \`ifconfig -a | awk '/.*Link encap.*/ {print \$1}'\`"
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emit " do"
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emit " if [ -z \"\$REAL_DEV\" ]"
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emit " then"
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emit " INFO=\`ethtool -i \$i | grep bus-info\`"
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emit " if [ \"\$INFO\" == \"\$BUS_ID\" ]"
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emit " then"
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emit " REAL_DEV=\$i"
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emit " fi"
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emit " fi"
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emit " done"
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emit " ifconfig \$REAL_DEV up"
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emit " #check the boot protocol of the device"
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emit " if [ \"\$BOOTPROTO\" == \"dhcp\" ]"
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emit " then"
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emit " RESULT=\`udhcpc -i \$REAL_DEV -q -n\`"
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emit " if [ \$? != 0 ]"
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emit " then"
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emit " echo Unable to obtain an IP address, dropping to shell"
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emit " /bin/msh"
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emit " fi"
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emit " IPADDR=\`echo \$RESULT | awk '{print \$14}'\`"
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emit " fi"
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emit " ifconfig \$REAL_DEV \$IPADDR netmask \$NETMASK"
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emit " if [ -n \"\$GATEWAY\" ]"
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emit " then"
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emit " route add default gw \$GATEWAY"
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emit " fi"
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emit "done"
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#grab remote host and xlate into numbers
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rhost=`echo $location | sed 's/.*@//' | cut -d':' -f1`
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need_dns=`echo $rhost|grep [a-zA-Z]`
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@ -1230,8 +1300,6 @@ if [ -n "$KDUMP_CONFIG_FILE" ]; then
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echo "$KDUMP_CONFIG_FILE: Could not create temp directory in $location:/var/crash"
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exit 1
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fi
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ssh -q $s_opts $rlocation rm -rf $tdir </dev/null
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#TODO check for available size is greater than $memtotal
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#setup ssh case, quick check to see if setup already
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if [ ! -r $MNTIMAGE/dev/urandom ]; then
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@ -1240,11 +1308,14 @@ if [ -n "$KDUMP_CONFIG_FILE" ]; then
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cp -a /root/.ssh $MNTIMAGE/root/
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cp -a /etc/ssh $MNTIMAGE/etc
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mknod $MNTIMAGE/dev/urandom c 1 9
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emit "mknod /dev/urandom c 1 9"
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fi
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emit "dd if=/dev/mem of=/dev/urandom count=1 bs=512 skip=100"
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emit "cond kcp --ssh /proc/vmcore $rlocation:/var/crash/$lhost-%DATE"
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emit "cond reboot -f"
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emit "ssh -q -o BatchMode=yes -o StrictHostKeyChecking=no $rlocation mkdir /var/crash/$lhost-\$DATE"
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emit "scp -q -o BatchMode=yes -o StrictHostKeyChecking=no /proc/vmcore $rlocation:/var/crash/$lhost-\$DATE/vmcore"
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emit "if [ \$? == 0 ]"
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emit "then"
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emit " reboot -f"
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emit "fi"
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fi
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;;
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ifc)
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@ -1274,13 +1345,12 @@ if [ -n "$KDUMP_CONFIG_FILE" ]; then
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if [ -z "$CORE_COLLECTOR" ]; then
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CORE_COLLECTOR="cp"
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fi
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emit "DATE=\`date +%Y-%M-%d-%T\`"
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emit "echo Saving to the local filesystem $location"
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emit "fsck.$type $location"
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emit "mount -t $type $location /mnt"
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emit "if [ \$? == 0 ]"
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emit "then"
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emit " mkdir -p /proc/vmcore/var/crash/127.0.0.1-\$DATE"
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emit " mkdir -p /mnt/var/crash/127.0.0.1-\$DATE"
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emit " $CORE_COLLECTOR /proc/vmcore /mnt/var/crash/127.0.0.1-\$DATE/vmcore"
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emit " if [ \$? == 0 ]"
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emit " then"
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@ -1320,14 +1390,26 @@ emit " mknod /dev/rootdev b 0x\$ROOT_MAJ 0x\$ROOT_MIN"
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emit " ROOTDEV=/dev/rootdev"
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emit "fi"
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emit "echo Checking root filesystem."
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emit "fsck \$ROOTDEV"
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emit "echo Mounting root filesystem."
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emit "mount \$ROOTDEV /sysroot"
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emit "FSTYPE=\`fsck -N \$ROOTDEV | awk '/.*sbin.*/ {print \$1}' | sed -e's/\\(^.*\\.\\)\\(.*\\)/\\2/'\`"
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emit "fsck -t \$FSTYPE \$ROOTDEV"
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emit "echo mount -t \$FSTYPE \$ROOTDEV /sysroot"
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emit "mount -t \$FSTYPE \$ROOTDEV /sysroot"
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emit "if [ \$? != 0 ]"
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emit "then"
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emit " echo unable to mount rootfs. Dropping to shell"
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emit " /bin/msh"
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emit "fi"
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emit "#move various filesystems and prime the rootfs to boot properly"
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emit "umount /proc"
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emit "mount -t proc proc /sysroot/proc"
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emit "umount /sys"
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emit "mount -t sysfs sysfs /sysroot/sys"
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emit "mount -o bind /dev /sysroot/dev"
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emit "touch /sysroot/fastboot"
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emit "echo Switching to new root and running init."
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emit "exec switch_root /sysroot /sbin/init"
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