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xcat-core/xCAT/postscripts/routeop

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#!/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)
# ipv6
if echo $net | grep : 2>&1 1>/dev/null
then
result=`ip -6 route show $net/$mask`
if [ $? -ne 0 ] || [ -z "$result" ]
then
ret=0
else
ret=1
fi
else
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
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"
# ipv6 net
filename="/etc/sysconfig/network/routes";
if echo $net | grep : 2>&1 1>/dev/null
then
route="$net/$mask $gw - -"
route1="$net\/$mask $gw - -";
else
route="$net $gw $mask $ifname";
route1="$net $gw $mask $ifname";
fi
if [ -f $filename ]; then
grep "$route" $filename 2>&1 1>/dev/null
if [ $? -ne 0 ]; then #route does not exist
grep "$xcat_config_start" $filename 2>&1 1>/dev/null
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"/"$route1\n$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"
# ipv6 net
if echo $net | grep : 2>&1 1>/dev/null
then
filename="/etc/sysconfig/static-routes-ipv6";
route="$ifname $net/$mask $gw";
# $net/mask does not work with sed cmd
route1="$ifname $net\/$mask $gw";
else
filename="/etc/sysconfig/static-routes";
route="any net $net netmask $mask gw $gw $ifname";
route1="any net $net netmask $mask gw $gw $ifname";
fi
if [ -f $filename ]; then
grep "$route" $filename 2>&1 1>/dev/null
if [ $? -ne 0 ]; then #route does not exist
grep "$xcat_config_start" $filename 2>&1 1>/dev/null
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"/"$route1\n$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";
# ipv6 net
if echo $net | grep : 2>&1 1>/dev/null
then
route="$net/$mask $gw - -";
route1="$net\/$mask $gw - -";
else
if [ -n "$ifname" ]; then
route="$net $gw $mask $ifname";
route1="$net $gw $mask $ifname";
else
route="$net $gw $mask";
route1="$net $gw $mask";
fi
fi
if [ -f $filename ]; then
grep "$route" $filename 2>&1 1>/dev/null
if [ $? -ne 0 ]; then # Does not exist in file
echo "Persistent route \"$route\" does not exist in $filename."
else
sed -i -e s/"$route1"//g $filename
echo "Persistent route \"$route\" removed from $filename."
fi
else
echo "Persistent route file $filename does not exist."
fi
;;
ubuntu*)
echo "Removing persistent route on Ubuntu is not supported yet."
;;
redhat)
#echo "rh/fedora/centos"
#ipv6
if echo $net | grep : 2>&1 1>/dev/null
then
filename="/etc/sysconfig/static-routes-ipv6";
# $net/$mask does not work with sed
route="$ifname $net\/$mask $gw"
route1="$ifname $net/$mask $gw"
else
filename="/etc/sysconfig/static-routes";
route="any net $net netmask $mask gw $gw $ifname";
route1="any net $net netmask $mask gw $gw $ifname";
fi
if [ -f $filename ]; then
grep "$route" $filename 2>&1 1>/dev/null
if [ $? -ne 0 ]; then # Does not exist in file
echo "Persistent route \"$route1\" does not exist in $filename."
else
sed -i -e s/"$route"//g $filename
echo "Persistent route \"$route1\" removed from $filename."
fi
else
echo "Persistent route file $filename does not exist."
fi
;;
esac
else #AIX
echo "Removing persistent route on AIX is not supported yet."
fi
}
if [ "$op" = "add" ]; then
result=$(route_exists $net $mask $gw)
if [ "$result" = "0" ]; then
#ipv6
if echo $net | grep : 2>&1 1>/dev/null
then
if [ "$(uname -s)" = "Linux" ]; then
cmd="ip -6 route add $net/$mask via $gw"
else
# AIX TODO
cmd="ip -6 route add $net/$mask via $gw"
fi
else
if [ "$(uname -s)" = "Linux" ]; then
cmd="route add -net $net netmask $mask gw $gw"
else
cmd="route add -net $net -netmask $mask $gw"
fi
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
#ipv6
if echo $net | grep : 2>&1 1>/dev/null
then
echo "The temporary route ($net/$mask $gw) already exists."
else
echo "The temporary route ($net $mask $gw) already exists."
fi
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
# ipv6
if echo $net | grep : 2>&1 1>/dev/null
then
if [ "$(uname -s)" = "Linux" ]; then
cmd="ip -6 route delete $net/$mask via $gw"
else
# AIX TODO
cmd="ip -6 route delete $net/$mask via $gw"
fi
else
if [ "$(uname -s)" = "Linux" ]; then
cmd="route delete -net $net netmask $mask gw $gw"
else
cmd="route delete -net $net -netmask $mask $gw"
fi
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
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