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update doxcat to optionally use static ip, but still one problem

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This commit is contained in:
Bruce Potter 2014-04-14 15:56:35 -04:00
parent a2dc620bc6
commit 9d6318d70e
1 changed files with 75 additions and 14 deletions
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89
xCAT-genesis-scripts/bin/doxcat
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@ -74,21 +74,82 @@ echo '};' >> /var/lib/lldpad/lldpad.conf
done
echo '};' >> /var/lib/lldpad/lldpad.conf
lldpad -d
dhclient -cf /etc/dhclient.conf -pf /var/run/dhclient.$bootnic.pid $bootnic &
#we'll kick of IPv6 and IPv4 on all nics, but not wait for them to come up unless doing discovery, to reduce
#chances that we'll perform a partial discovery
#in other scenarios where downed non-bootnics cause issues, will rely on retries to fix things up
dhclient -6 -pf /var/run/dhclient6.$bootnic.pid $bootnic -lf /var/lib/dhclient/dhclient6.leases &
NICSTOBRINGUP=`ip link|grep mtu|grep -v LOOPBACK|grep -v $bootnic|grep -v usb|grep -v ,UP|awk -F: '{print $2}'`
export NICSTOBRINGUP
for nic in $NICSTOBRINGUP; do
(while ! ethtool $nic | grep Link\ detected|grep yes > /dev/null; do sleep 5; done; dhclient -cf /etc/dhclient.conf -pf /var/run/dhclient.$nic.pid $nic ) &
(while ! ethtool $nic | grep Link\ detected|grep yes > /dev/null; do sleep 5; done; dhclient -cf /etc/dhclient.conf -6 -pf /var/run/dhclient6.$nic.pid -lf /var/lib/dhclient/dhclient6.leases $nic ) &
done
openssl genrsa -out /etc/xcat/certkey.pem 4096 > /dev/null 2>&1 &
# Caclulate the broadcast address of a given IP address and mask.
bcastcalc(){
read oct1 oct2 oct3 oct4 << HERE
$(echo "$1" | sed -e 's/\./ /g')
HERE
read msk1 msk2 msk3 msk4 << HERE
$(echo "$2" | sed -e 's/\./ /g')
HERE
ipa=$(($oct1+(255-($oct1 | $msk1))))
ipb=$(($oct2+(255-($oct2 | $msk2))))
ipc=$(($oct3+(255-($oct3 | $msk3))))
ipd=$(($oct4+(255-($oct4 | $msk4))))
echo "$ipa.$ipb.$ipc.$ipd"
}
# Calculates the number of bits in a netmask for converting something like 255.255.255.192 to 26 so
# you can use the notation 10.0.0.1/26
mask2prefix() {
nbits=0
old_ifs=$IFS
IFS=.
for dec in $1 ; do
case $dec in
255) let nbits+=8;;
254) let nbits+=7;;
252) let nbits+=6;;
248) let nbits+=5;;
240) let nbits+=4;;
224) let nbits+=3;;
192) let nbits+=2;;
128) let nbits+=1;;
0);;
*) echo "Error: $dec is not recognised"; exit 1
esac
done
IFS=$old_ifs
echo "$nbits"
}
# see if they specified static ip info, otherwise use dhcp
for parm in `cat /proc/cmdline`; do
key=`echo $parm|awk -F= '{print $1}'`
if [ "$key" = "hostip" ]; then
hostip=`echo $parm|awk -F= '{print $2}'`
elif [ "$key" = "netmask" ]; then
netmask=`echo $parm|awk -F= '{print $2}'`
elif [ "$key" = "gateway" ]; then
gateway=`echo $parm|awk -F= '{print $2}'`
elif [ "$key" = "netdevice" ]; then
netdevice=`echo $parm|awk -F= '{print $2}'`
fi
done
if [[ -n $hostip && -n $netmask && -n $gateway && -n $netdevice ]]; then
# doing static ip
numbits=$(mask2prefix $netmask)
broadcast=$(bcastcalc $hostip $netmask)
echo "Setting static IP=$hostip/$numbits broadcast=$broadcast gateway=$gateway netdevice=$netdevice ..."
ip addr add $hostip/$numbits broadcast $broadcast dev $netdevice scope global label $netdevice
ip route replace to default via $gateway dev $netdevice
else
echo "Setting IP via DHCP..."
dhclient -cf /etc/dhclient.conf -pf /var/run/dhclient.$bootnic.pid $bootnic &
#we'll kick of IPv6 and IPv4 on all nics, but not wait for them to come up unless doing discovery, to reduce
#chances that we'll perform a partial discovery
#in other scenarios where downed non-bootnics cause issues, will rely on retries to fix things up
dhclient -6 -pf /var/run/dhclient6.$bootnic.pid $bootnic -lf /var/lib/dhclient/dhclient6.leases &
NICSTOBRINGUP=`ip link|grep mtu|grep -v LOOPBACK|grep -v $bootnic|grep -v usb|grep -v ,UP|awk -F: '{print $2}'`
export NICSTOBRINGUP
for nic in $NICSTOBRINGUP; do
(while ! ethtool $nic | grep Link\ detected|grep yes > /dev/null; do sleep 5; done; dhclient -cf /etc/dhclient.conf -pf /var/run/dhclient.$nic.pid $nic ) &
(while ! ethtool $nic | grep Link\ detected|grep yes > /dev/null; do sleep 5; done; dhclient -cf /etc/dhclient.conf -6 -pf /var/run/dhclient6.$nic.pid -lf /var/lib/dhclient/dhclient6.leases $nic ) &
done
fi
openssl genrsa -out /etc/xcat/certkey.pem 4096 > /dev/null 2>&1 &
gripeiter=101
echo -n "Acquiring network addresses.."