199 lines
7.5 KiB
Bash
Executable File
199 lines
7.5 KiB
Bash
Executable File
#!/bin/bash
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# SI post-install script to configure network settings after SI has installed the OS
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# SI post-install scripts run in a chroot environment of the final OS image
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. /tmp/post-install/variables.txt
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bondingopts='mode=4 miimon=100 downdelay=0 updelay=0 lacp_rate=fast xmit_hash_policy=1'
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# determine if we should be using a static ip or dhcp
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staticIP () {
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# Eventually we should use the SI variable IP_ASSIGNMENT_METHOD below to determine this.
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# But this requires a patch in both xcat/sysclone (to set si_getimage -ip-assignment method)
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# and SI (to set IP_ASSIGNMENT_METHOD as a result of that). Until both of those patches
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# are in the main releases, assume that if we have set the IPADDR kernel parm for the boot
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# kernel to use static ip, that the final OS should use static ip too.
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# Note: the IPADDR environment variable will be set by SI, even if it got it thru dhcp, so
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# that is not a reliable way to decide.
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str=`cat /proc/cmdline`
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#str='netmask=255.255.255.192 IPADDR=10.54.51.11 GATEWAY=10.54.51.1 dns=10.54.51.2 hostname=sap64-4 DEVICE=eth0'
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for parm in $str; do
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key=`echo $parm|awk -F= '{print $1}'`
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value=`echo $parm|awk -F= '{print $2}'`
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if [[ $key == "IPADDR" || $key == "ipaddr" ]]; then
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return 0 # yes, we should use static ip
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fi
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done
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if [[ -n $IP_ASSIGNMENT_METHOD && ${IP_ASSIGNMENT_METHOD,,} == "static" ]]; then
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return 0 # this means yes/true
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fi
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return 1
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}
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#delete the udev rule in the image
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rule_file=`ls /etc/udev/rules.d/*net_persistent_names.rules 2>/dev/null`
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if [ -n "$rule_file" ];then
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rm -f $rule_file
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fi
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hostname $HOSTNAME
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bond=bond0
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if [[ $DEVICE == "eth0" ]]; then
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$DEVICE2=eth2
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fi
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device_names=`ifconfig -a | grep -i hwaddr | grep -i 'Ethernet' | grep -v usb| awk '{print $1}'`
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str_cfg_file=''
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if [ -d "/etc/sysconfig/network-scripts/" ];then
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#redhat
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dir="/etc/sysconfig/network-scripts"
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grep -i HOSTNAME /etc/sysconfig/network
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if [ $? -eq 0 ];then
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sed -i "s/HOSTNAME=.*/HOSTNAME=$HOSTNAME/g" /etc/sysconfig/network
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else
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echo "HOSTNAME=$HOSTNAME" >> /etc/sysconfig/network
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fi
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if staticIP; then
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# delete all nic cfg files left over from the golden node
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for i in $device_names;do
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rm -f "$dir/ifcfg-$i"
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done
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# set static ip from variables in variables.txt
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# write ifcfg-bond0. For now we assume the installnic should be part of bond0,
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# because in SL i think that is always the case.
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i="$bond"
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str_cfg_file="$dir/ifcfg-$i"
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echo "DEVICE=$i" > $str_cfg_file
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echo "BOOTPROTO=none" >> $str_cfg_file
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echo "ONBOOT=yes" >> $str_cfg_file
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echo "USERCTL=no" >> $str_cfg_file
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echo 'BONDING_OPTS="'$bondingopts'"' >> $str_cfg_file
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echo "IPADDR=$IPADDR" >> $str_cfg_file
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echo "NETMASK=$NETMASK" >> $str_cfg_file
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echo "NETWORK=$NETWORK" >> $str_cfg_file
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echo "BROADCAST=$BROADCAST" >> $str_cfg_file
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#todo: add gateway config? Not sure, because the boot kernels gateway might not be the final OS gateway
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# write ifcfg-eth0
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i="$DEVICE"
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str_cfg_file="$dir/ifcfg-$i"
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echo "DEVICE=$i" > $str_cfg_file
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echo "BOOTPROTO=none" >> $str_cfg_file
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echo "MASTER=$bond" >> $str_cfg_file
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echo "ONBOOT=yes" >> $str_cfg_file
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echo "SLAVE=yes" >> $str_cfg_file
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echo "USERCTL=no" >> $str_cfg_file
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if [[ $DEVICE2 != "" ]]; then
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# write ifcfg-eth0
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i="$DEVICE2"
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str_cfg_file="$dir/ifcfg-$i"
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echo "DEVICE=$i" > $str_cfg_file
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echo "BOOTPROTO=none" >> $str_cfg_file
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echo "MASTER=$bond" >> $str_cfg_file
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echo "ONBOOT=yes" >> $str_cfg_file
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echo "SLAVE=yes" >> $str_cfg_file
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echo "USERCTL=no" >> $str_cfg_file
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fi
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# write modprobe alias config
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str_cfg_file="/etc/modprobe.d/$bond.conf"
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echo "alias $bond bonding" > $str_cfg_file
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#todo: figure out how to set the default gateway in rhel
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else
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# use dhcp for all nics
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for i in $device_names;do
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str_cfg_file="$dir/ifcfg-$i"
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echo "DEVICE=$i" > $str_cfg_file
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echo "BOOTPROTO=dhcp" >> $str_cfg_file
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echo "NM_CONTROLLED=yes" >> $str_cfg_file
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echo "ONBOOT=yes" >> $str_cfg_file
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done
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fi
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elif [ -d "/etc/sysconfig/network/" ];then
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#suse
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dir="/etc/sysconfig/network"
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echo "$HOSTNAME" > /etc/HOSTNAME
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if staticIP; then
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# delete all nic cfg files left over from the golden node
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for i in $device_names;do
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rm -f "$dir/ifcfg-$i"
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done
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# set static ip from variables in variables.txt
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# write ifcfg-bond0. For now we assume the installnic should be part of bond0,
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# because in SL i think that is always the case.
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i="$bond"
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str_cfg_file="$dir/ifcfg-$i"
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echo "BOOTPROTO=static" > $str_cfg_file
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echo "STARTMODE=onboot" >> $str_cfg_file
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echo "BONDING_MASTER=yes" >> $str_cfg_file
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echo "BONDING_MODULE_OPTS='$bondingopts'" >> $str_cfg_file
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echo "NAME='Bonded Interface'" >> $str_cfg_file
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echo "IPADDR=$IPADDR" >> $str_cfg_file
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echo "NETMASK=$NETMASK" >> $str_cfg_file
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echo "NETWORK=$NETWORK" >> $str_cfg_file
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echo "BROADCAST=$BROADCAST" >> $str_cfg_file
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echo "USERCONTROL=no" >> $str_cfg_file
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echo "BONDING_SLAVE_0=$DEVICE" >> $str_cfg_file
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if [[ $DEVICE2 != "" ]]; then
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echo "BONDING_SLAVE_1=$DEVICE2" >> $str_cfg_file
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fi
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# write ifcfg-eth0
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i="$DEVICE"
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str_cfg_file="$dir/ifcfg-$i"
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echo "BOOTPROTO=none" > $str_cfg_file
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echo "STARTMODE=hotplug" >> $str_cfg_file
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if [[ $DEVICE2 != "" ]]; then
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# write ifcfg-eth2
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i="$DEVICE2"
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str_cfg_file="$dir/ifcfg-$i"
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echo "BOOTPROTO=none" > $str_cfg_file
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echo "STARTMODE=hotplug" >> $str_cfg_file
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fi
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# write modprobe alias config
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str_cfg_file="/etc/modprobe.d/$bond.conf"
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echo "alias $bond bonding" > $str_cfg_file
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# set the default gateway (at this point this is the private nic gateway, to handle provision across vlans)
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file=/etc/sysconfig/network/routes
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if grep -q -E '^default ' $file; then
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# replace the default route that is already in there
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sed -i 's/^default .*$/default '$GATEWAY' - -/' $file
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else
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# no default route yet, append to file
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echo "default $GATEWAY - -" >>$file
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fi
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# this was the original config of the eth0 nic (without bonding)
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#echo "DEVICE=$i" > $str_cfg_file
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#echo "BOOTPROTO=static" >> $str_cfg_file
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#echo "STARTMODE=onboot" >> $str_cfg_file
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#echo "IPADDR=$IPADDR" >> $str_cfg_file
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#echo "NETMASK=$NETMASK" >> $str_cfg_file
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#echo "NETWORK=$NETWORK" >> $str_cfg_file
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#echo "BROADCAST=$BROADCAST" >> $str_cfg_file
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#todo: add gateway config? Not sure, because the boot kernels gateway might not be the final OS gateway
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else
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# use dhcp for all nics
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for i in $device_names;do
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str_cfg_file="$dir/ifcfg-$i"
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echo "DEVICE=$i" > $str_cfg_file
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echo "BOOTPROTO=dhcp" >> $str_cfg_file
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echo "STARTMODE=onboot" >> $str_cfg_file
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echo "DHCLIENT_PRIMARY_DEVICE=yes" >> $str_cfg_file
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done
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fi
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else
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#ubuntu
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echo "Does not support ubuntu."
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exit 1
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fi
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