xcat-core/xCAT/postscripts/routeop
2013-06-14 07:24:59 +00:00

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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=$5
fi
function debianpreconf(){
#create the config sub dir
if [ ! -d "/etc/network/interfaces.d" ];then
mkdir -p "/etc/network/interfaces.d"
fi
#search xcat flag
XCATFLAG=`grep "#XCAT_CONFIG" /etc/network/interfaces`
if [ -n "$XCATFLAG" ];then
return
fi
#back up the old interface configure
if [ ! -e "/etc/network/interfaces.bak" ];then
mv /etc/network/interfaces /etc/network/interfaces.bak
fi
#create the new config file
echo "#XCAT_CONFIG" > /etc/network/interfaces
echo "source /etc/network/interfaces.d/*" >> /etc/network/interfaces
CONFFILE=''
#read the backfile
cat /etc/network/interfaces.bak | while read LINE
do
if [ ! "$LINE" ];then
continue
fi
FIRSTCHAR=${LINE:0:1}
if [ $FIRSTCHAR = '#' ];then
continue
fi
CONFTYPE=`echo $LINE | cut -d" " -f1`
if [ $CONFTYPE = 'auto' -o $CONFTYPE = 'allow-hotplug' ];then
LINE=${LINE#$CONFTYPE}
for NICNAME in $LINE; do
echo "$CONFTYPE $NICNAME" > "/etc/network/interfaces.d/$NICNAME"
done
elif [ $CONFTYPE = 'iface' -o $CONFTYPE = 'mapping' ];then
#find out the nic name, should think about the eth0:1
NICNAME=`echo $LINE | cut -d" " -f 2 | cut -d":" -f 1`
CONFFILE="/etc/network/interfaces.d/$NICNAME"
if [ ! -e $CONFFILE ];then
echo "auto $NICNAME" > $CONFFILE
fi
#write lines into the conffile
echo $LINE >> $CONFFILE
else
echo $LINE >> $CONFFILE
fi
done
}
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"
else
OS_name="debian"
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
;;
debian)
debianpreconf
matchstr=""
v6flag=0
#on debian/ubuntu need the network device name
if [ ! $ifname ];then
ifname=`netstat -nr | grep "$net" | awk '{print $8}' | head -1`
fi
filename="/etc/network/interfaces.d/$ifname"
if [ ! -f $filename ];then
echo "auto $ifname" > $filename
echo "iface $ifname inet dhcp" >> $filename
fi
echo $net | grep : 2>&1 1>/dev/null
#ipv6
if [ $? -eq 0 ];then
matchstr="$net/$mask gw $gw"
v6flag=1
else
matchstr="net $net netmask $mask gw $gw"
fi
grep "$matchstr" $filename 2>&1 1>/dev/null
if [ $? -ne 0 ];then
foundflag=0
tempfile="/etc/network/interfaces.d/tmp"
while read LINE
do
echo $LINE | grep "iface" 2>&1 1>/dev/null
if [ $? -eq 0 -a $foundflag -eq 1 ];then
foundflag=0
if [ $v6flag -eq 1 ];then
echo " up route -A inet6 add $net/$mask gw $gw" >> $tempfile
echo " down route -A inet6 del $net/$mask gw $gw" >> $tempfile
else
echo " up route add -net $net netmask $mask gw $gw" >> $tempfile
echo " down route del -net $net netmask $mask gw $gw" >> $tempfile
fi
fi
echo $LINE | grep "iface $ifname " 2>&1 1>/dev/null
#this is the last line of the device
if [ $? -eq 0 ];then
foundflag=1
fi
echo $LINE >> $tempfile
done < $filename
#the insert place is the last line of the config file
if [ $foundflag -eq 1 ];then
if [ $v6flag -eq 1 ];then
echo " up route -A inet6 add $net/$mask gw $gw" >> $tempfile
echo " down route -A inet6 del $net/$mask gw $gw" >> $tempfile
else
echo " up route add -net $net netmask $mask gw $gw" >> $tempfile
echo " down route del -net $net netmask $mask gw $gw" >> $tempfile
fi
fi
mv -f $tempfile $filename
echo "Persistent route \"$matchstr\" added in $filename."
else
echo "Persisten route \"$match\" already exists in $filename"
fi
;;
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"
else
OS_name="debian"
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
;;
debian)
debianpreconf
matchstr=""
v6flag=0
#on debian/ubuntu need the network device name
if [ ! $ifname ];then
ifname=`netstat -nr | grep "$net" | awk '{print $8}'`
fi
filename="/etc/network/interfaces.d/$ifname"
echo $net | grep : 2>&1 1>/dev/null
#ipv6
if [ $? -eq 0 ];then
matchstr="$net/$mask gw $gw"
v6flag=1
else
matchstr="net $net netmask $mask gw $gw"
fi
grep "$matchstr" $filename
if [ $? -eq 0 ];then
sed -i -e "/$matchstr/d" $filename
echo "Persistent route \"$matchstr\" removed from $filename."
else
echo "Persistent route \"$matchstr\" does not exist in $filename."
fi
;;
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."
if [ -f "/etc/debian_version" ];then
exit 1;
fi
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