#!/bin/sh # IBM(c) 2011EPL license http://www.eclipse.org/legal/epl-v10.html #------------------------------------------------------------------------------- #=head1 routeop #=head2 routeop is called by makeroutes command and setuproutes postscript to # setup a route on a node. # The syntax is: # routeop add/delete net mask gateway ifname #=cut #------------------------------------------------------------------------------- op=$1 net=$2 mask=$3 gw=$4 if [ -n "$5" ]; then ifname=$5 fi route_exists() { net=$1 mask=$2 gw=$3 ret=0 if [ -n "$4" ]; then ifname=$4 fi os_type=$(uname -s) result=`netstat -nr|grep $net`; if [ $? -eq 0 ] && [ -n "$result" ]; then for x in `echo "$result"|tr -s " " ","` do if [ "$os_type" = "Linux" ]; then net1=`echo $x|cut -d',' -f1` gw1=`echo $x|cut -d',' -f2` mask1=`echo $x|cut -d',' -f3` if [ "$net" = "$net1" ] && [ "$mask" = "$mask1" ] && [ "$gw" = "$gw1" ]; then ret=1 break fi else tmp1=`echo $x|cut -d',' -f1` gw1=`echo $x|cut -d',' -f2` n1=`echo $net |cut -d'.' -f1` n2=`echo $net |cut -d'.' -f2` n3=`echo $net |cut -d'.' -f3` n4=`echo $net |cut -d'.' -f4` netnum="$(( ($n1 << 24) + ($n2 << 16) + ($n3 << 8) + $n4 ))" bits=32 while [ `expr $netnum % 2` -eq 0 ] do bits="$(( $bits - 1 ))" netnum="$(( $netnum >> 1 ))" done tmp2="$net/$bits"; #echo "$tmp2=$tmp2" if [ "$tmp1" = "$tmp2" ] && [ "$gw" = "$gw1" ]; then ret=1 break fi fi done fi echo $ret } add_persistent_route() { net=$1; mask=$2; gw=$3; if [ -n "$4" ]; then ifname=$4 fi xcat_config_start="# xCAT_CONFIG_START"; xcat_config_end="# xCAT_CONFIG_END"; if [ "$(uname -s)" = "Linux" ]; then #determine the os name OS_name="something" if [ -f /etc/redhat-release ] then OS_name="redhat" #it can be RedHatFerdora or CentOS elif [ -f /etc/SuSE-release ] then OS_name="sles" fi case $OS_name in sles) #echo "sles" filename="/etc/sysconfig/network/routes"; route="$net $gw $mask $ifname"; if [ -f $filename ]; then grep "$route" $filename if [ $? -ne 0 ]; then #route does not exist grep "$xcat_config_start" $filename if [ $? -ne 0 ]; then #no xCAT section echo $xcat_config_start >> $filename echo $route >> $filename echo $xcat_config_end >> $filename else sed -i -e s/"$xcat_config_end"/"$route\n$xcat_config_end"/g $filename fi echo "Persistent route \"$route\" added in $filename." else echo "Persistent route \"$route\" already exists in $filename." fi else #echo "got here" echo "$xcat_config_start" > $filename echo "$route" >> $filename echo "$xcat_config_end" >> $filename echo "Route \"$route\" added in $filename." fi ;; ubuntu*) echo "Adding persistent route on Ubuntu is not supported yet." ;; redhat) #echo "rh/fedora/centos" filename="/etc/sysconfig/static-routes"; route="any net $net netmask $mask gw $gw $ifname"; if [ -f $filename ]; then grep "$route" $filename if [ $? -ne 0 ]; then #route does not exist grep "$xcat_config_start" $filename if [ $? -ne 0 ]; then #no xCAT section echo $xcat_config_start >> $filename echo $route >> $filename echo $xcat_config_end >> $filename else sed -i -e s/"$xcat_config_end"/"$route\n$xcat_config_end"/g $filename fi echo "Persistent route \"$route\" added in $filename." else echo "Persistent route \"$route\" already exists in $filename." fi else #echo "got here" echo "$xcat_config_start" > $filename echo "$route" >> $filename echo "$xcat_config_end" >> $filename echo "Persistent route \"$route\" added in $filename." fi ;; esac else #AIX echo "Adding persistent route on AIX is not supported yet." fi } rm_persistent_route() { net=$1; mask=$2; gw=$3; if [ -n "$4" ]; then ifname=$4 fi if [ "$(uname -s)" = "Linux" ]; then #determine the os name OS_name="something" if [ -f /etc/redhat-release ] then OS_name="redhat" #it can be RedHatFerdora or CentOS elif [ -f /etc/SuSE-release ] then OS_name="sles" fi case $OS_name in sles) #echo "sles" filename="/etc/sysconfig/network/routes"; route="$net $gw $mask $ifname"; if [ -f $filename ]; then sed -i -e s/"$route"//g $filename fi echo "Persistent route \"$route\" removed from $filename." ;; ubuntu*) echo "Removing persistent route on Ubuntu is not supported yet." ;; redhat) #echo "rh/fedora/centos" filename="/etc/sysconfig/static-routes"; route="any net $net netmask $mask gw $gw $ifname"; if [ -f $filename ]; then sed -i -e s/"$route"//g $filename fi echo "Persistent route \"$route\" removed from $filename." ;; esac else #AIX echo "Removing persistent route on AIX is not supported yet." fi } if [ "$op" = "add" ]; then result=$(route_exists $net $mask $gw) if [ "$result" = "0" ]; then if [ "$(uname -s)" = "Linux" ]; then cmd="route add -net $net netmask $mask gw $gw" else cmd="route add -net $net -netmask $mask $gw" fi echo "Adding temporary route: $cmd" result=`$cmd 2>&1` code=$? if [ $code -ne 0 ]; then logger -t xCAT -p local4.err "$cmd\nerror code=$code, result=$result." echo " error code=$code, result=$result." #exit 1; fi else echo "The temporary route ($net $mask $gw) already exists." fi #add persistent route add_persistent_route $net $mask $gw $ifname elif [ "$op" = "delete" ]; then result=$(route_exists $net $mask $gw) if [ "$result" = "1" ]; then if [ "$(uname -s)" = "Linux" ]; then cmd="route delete -net $net netmask $mask gw $gw" else cmd="route delete -net $net -netmask $mask $gw" fi echo "Removing temporary route: $cmd" result=`$cmd 2>&1` code=$? if [ $code -ne 0 ]; then logger -t xCAT -p local4.err "$cmd\nerror code=$code, result=$result." echo " error code=$code, result=$result." fi else echo "The temporary route ($net $mask $gw) does not exist." fi #remove the persistent route rm_persistent_route $net $mask $gw $ifname fi exit 0