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Your IP : 18.222.119.143
#!/bin/bash
#
# Copyright (C) Microsoft Corporation. All rights reserved.
#
# Configure network adapter
#
#Variables
retcode=0
thisscript=${0}
distro="unknown"
cfgAddress="false"
cfgIPv4="false"
cfgIPv6="false"
cfgDNSClient="false"
cfgGW="false"
cfgStatus="ok"
dev=""
macaddress=""
ipv4addresstype=""
ipv6address=""
ipv6prefixlen=""
ipv4address=""
ipv4prefixlen=""
ipv4netmask=""
ipv6addresstype=""
gateways=""
dnssearchsuffix=""
nameservers=""
thisdnsdomain=""
#Include utilities script
source $(dirname ${0})/utilities
function isNewElement {
local e
for e in "${@:2}"; do [[ "$e" = "$1" ]] && return 0; done
return 1
}
function usage {
WriteError "Invalid arguments provided" ${thisscript}
echo "Usage: $0 macaddress=macaddress [ipv4addresstype=ipv4addresstype] [ipv4address=ipv4address] [ipv6addresstype=ipv6addresstype] [ipv6address=ipv6address] [gateways=gateways[]] [dnssearchsuffix=dnssearchsuffix[]] [nameservers=nameservers[]]"
}
VALID_INPUT=0
#Process arguments
while [ $# -gt 0 ]
do
ArgName=`echo ${1} |cut -f1 -d=`
ArgValue=`echo ${1} |cut -f2 -d=`
case "${ArgName}" in
macaddress )
macaddress=${ArgValue}
VALID_INPUT=1
;;
ipv4addresstype )
ipv4addresstype=${ArgValue}
;;
ipv4address )
ipv4address=${ArgValue}
;;
ipv6addresstype )
ipv6addresstype=${ArgValue}
;;
ipv6address )
ipv6address=${ArgValue}
;;
gateways )
gateways=${ArgValue}
;;
dnssearchsuffix )
dnssearchsuffix=${ArgValue}
;;
nameservers )
nameservers=${ArgValue}
;;
esac
shift
done
if [ $VALID_INPUT == 0 ]
then
usage
exit -1
elif [ $VALID_INPUT == 1 ]
then
WriteInfo "All inputs validated" ${thisscript}
fi
#Get Device Name
if [ -x /sbin/ip ]
then
dev=`ip -o link show |grep -i $macaddress |awk '{print $2}' |tr -d ':'`
elif [ -x /sbin/ifconfig ]
then
dev=`ifconfig -a |grep -i $macaddress |awk '{print $1}'`
else
WriteError "Ethernet configuration tools (ifconfig or ip) not found. Unable to configure or validate network." ${thisscript}
exit -1
fi
if [ -n "${dev}" -a "`echo ${dev}|egrep '^.+[0-9]$'`" = "${dev}" ]
then
WriteInfo "Beginning configuration for network adapter ${dev}" ${thisscript}
else
WriteError "Unable to identify a network adapter name for hwaddr ${macaddress}" ${thisscript}
exit -1
fi
RestartNetwork(){
WriteInfo "Restarting network subsystem" ${thisscript}
if [ "${distro}" = "DEBIAN" ]
then
cfgExec "/etc/init.d/networking stop; /etc/init.d/networking start" warning "Errors encountered in network subsystem restart" ${thisscript}
else
cfgExec "service network restart" warning "Errors encountered in network subsystem restart" ${thisscript}
fi
}
ClearUnusedAdapters(){
WriteInfo "Deleting old configuration for unused interfaces." ${thisscript}
if [ -x /sbin/ip ]
then
iflist=`ip -o link show |awk '{print $2}'|tr -d ':'|tr '\n' ' '`
else
iflist=`ifconfig -a|grep -i "link encap" |awk '{print $1}'|tr '\n' ' '`
fi
declare -a ifarr=($iflist)
if [ ${#ifarr[@]} -gt 0 ]
then
if [ ${distro} = "DEBIAN" ]
then
IFCfgFile="/etc/network/interfaces"
for ifname in `cat ${IFCfgFile} |grep iface |awk '{print $2}'`
do
validif=0
for i in "${ifarr[@]}"
do
if [ ${i} = ${ifname} ]
then
validif=1
fi
done
if [ $validif -eq 0 ]
then
WriteInfo "Deleting unused interface ${ifname}." ${thisscript}
sed -i".bak" '/^iface '${ifname}' /,/^$/{//!d}' ${IFCfgFile}
sed -i".bak" '/'${ifname}' /d' ${IFCfgFile}
sed -i".bak" '/'${ifname}'$/d' ${IFCfgFile}
sed -i".bak" '/^mapping '${ifname}' /,/^$/{//!d}' ${IFCfgFile}
sed -i".bak" '/^iface '${ifname}'\./,/^$/{//!d}' ${IFCfgFile}
sed -i".bak" '/'${ifname}'\./d' ${IFCfgFile}
fi
done
else
if [ ${distro} = "RHEL" ]
then
cfgdir="/etc/sysconfig/network-scripts"
elif [ ${distro} = "SUSE" ]
then
cfgdir="/etc/sysconfig/network"
fi
for file in `ls ${cfgdir}/ifcfg-*`
do
validif=0
ifname=`basename ${file} |cut -f2 -d-`
for i in ${iflist}
do
if [ ${i} = ${ifname} ]
then
validif=1
fi
done
if [ $validif -eq 0 ]
then
WriteInfo "Deleting unused interface file ${file}." ${thisscript}
rm -f ${file}
fi
done
fi
fi
}
#Convert ipv4prefixlen to subnetmask
function calcmask {
case "${1}" in
0 ) ipv4netmask="0.0.0.0" ;;
1 ) ipv4netmask="128.0.0.0" ;;
2 ) ipv4netmask="192.0.0.0" ;;
3 ) ipv4netmask="224.0.0.0" ;;
4 ) ipv4netmask="240.0.0.0" ;;
5 ) ipv4netmask="248.0.0.0" ;;
6 ) ipv4netmask="252.0.0.0" ;;
7 ) ipv4netmask="254.0.0.0" ;;
8 ) ipv4netmask="255.0.0.0" ;;
9 ) ipv4netmask="255.128.0.0" ;;
10 ) ipv4netmask="255.192.0.0" ;;
11 ) ipv4netmask="255.224.0.0" ;;
12 ) ipv4netmask="255.240.0.0" ;;
13 ) ipv4netmask="255.248.0.0" ;;
14 ) ipv4netmask="255.252.0.0" ;;
15 ) ipv4netmask="255.254.0.0" ;;
16 ) ipv4netmask="255.255.0.0" ;;
17 ) ipv4netmask="255.255.128.0" ;;
18 ) ipv4netmask="255.255.192.0" ;;
19 ) ipv4netmask="255.255.224.0" ;;
20 ) ipv4netmask="255.255.240.0" ;;
21 ) ipv4netmask="255.255.248.0" ;;
22 ) ipv4netmask="255.255.252.0" ;;
23 ) ipv4netmask="255.255.254.0" ;;
24 ) ipv4netmask="255.255.255.0" ;;
25 ) ipv4netmask="255.255.255.128" ;;
26 ) ipv4netmask="255.255.255.192" ;;
27 ) ipv4netmask="255.255.255.224" ;;
28 ) ipv4netmask="255.255.255.240" ;;
29 ) ipv4netmask="255.255.255.248" ;;
30 ) ipv4netmask="255.255.255.252" ;;
31 ) ipv4netmask="255.255.255.254" ;;
32 ) ipv4netmask="255.255.255.255" ;;
esac
testmask=`echo $ipv4netmask |grep -c '[0-9]\{0,3\}\.[0-9]\{0,3\}\.[0-9]\{0,3\}\.[0-9]\{0,3\}'`
if [ ${testmask} -ne 1 ]
then
WriteError "Failed to calculate IPv4 Network Mask" ${thisscript}
exit -1
fi
}
#Identify configuration to perform, from arguments
if [[ -n "${ipv4addresstype}" || -n "${ipv6addresstype}" ]]
then
cfgAddress="true"
if [ -n "${ipv4addresstype}" ]
then
cfgIPv4="true"
fi
if [ -n "${ipv6addresstype}" ]
then
cfgIPv6="true"
fi
if [ -n "${gateways}" ]
then
cfgGW="true"
gwlist=`echo -e ${gateways} |tr ',' ' '`
declare -a gwarr=($gwlist)
fi
if [ -n "${ipv4address}" ]
then
ipv4prefixlen=`echo ${ipv4address} |cut -f2 -d/`
ipv4address=`echo ${ipv4address} |cut -f1 -d/`
calcmask "${ipv4prefixlen}"
fi
if [ -n "${ipv6address}" ]
then
ipv6prefixlen=`echo ${ipv6address} |cut -f2 -d/`
ipv6address=`echo ${ipv6address} |cut -f1 -d/`
fi
fi
if [ -n "${nameservers}" ]
then
cfgDNSClient="true"
nslist=`echo -e ${nameservers} |tr ',' ' '`
declare -a nsarr=($nslist)
fi
if [ -n "${dnssearchsuffix}" ]
then
cfgDNSClient="true"
suffixlist=`echo -e ${dnssearchsuffix} |tr ',' ' '`
declare -a suffixarr=($suffixlist)
fi
#Edit Resolv.conf for DNS Client Settings
ConfigResolv(){
nslist=""
searchlist=""
#Re-write search suffix list in case it was overwritten during network restart
if [ -n "${thissearchlist}" ]
then
cfgExec "sed -i".bak" '/^search /d' /etc/resolv.conf" warning "Failed to delete old search entry from resolv.conf" ${thisscript}
cfgExec 'echo -e ${thissearchlist} >> /etc/resolv.conf' warning "Failed to write search suffixes to /etc/resolv.conf" ${thisscript}
fi
#get current list of dns search suffixes and append new values to suffix list
searchlist=`cat /etc/resolv.conf |grep '^search' |cut -f2- -d ' '`
declare -a searcharr=($searchlist)
for search in "${suffixarr[@]}"
do
isNewElement "$search" "${searcharr[@]}"
if [ 1 == $? ]
then
searchlist="${searchlist} ${search}"
fi
done
#get current list of name servers, but only ones added by scvmm-agent
currentnameservers=`cat /etc/resolv.conf |grep \#vmm|awk '{print $2}'`
for ns in $currentnameservers
do nslist="${nslist}nameserver ${ns} #vmm \n"
done
nscount=`cat /etc/resolv.conf |grep '^nameserver'|grep -c \#vmm`
#For each supplied name server, append to name server list, until the total count of vmm-added name servers is 3
for ns in "${nsarr[@]}"
do
if [ $nscount -lt 3 ]
then
nscount=$((nscount+1))
nslist="${nslist}nameserver ${ns} #vmm \n"
fi
done
#Edit strings and write to resolv.conf
cfgExec "sed -i".bak" '/^search /d' /etc/resolv.conf" warning "Failed to delete old search entry from resolv.conf" ${thisscript}
cfgExec "sed -i".bak" '/^nameserver /d' /etc/resolv.conf" warning "Failed to delete old nameserver entries from resolv.conf" ${thisscript}
searchlist="search ${searchlist}"
WriteInfo "Writing nameservers and search suffixes to /etc/resolv.conf" ${thisscript}
cfgExec 'echo -e ${searchlist} >> /etc/resolv.conf' warning "Failed to write search suffixes to /etc/resolv.conf" ${thisscript}
cfgExec 'echo -e ${nslist} >> /etc/resolv.conf' warning "Failed to write nameservers to /etc/resolv.conf" ${thisscript}
#Dhclient-script may have overwritten domain entry in resolv.conf. If so, restore it
if [ -n "${thisdnsdomain}" ]
then
cfgExec "sed -i".bak" '/^domain /d' /etc/resolv.conf" warning "Failed to delete old domain entry from resolv.conf" ${thisscript}
cfgExec 'echo -e "domain ${thisdnsdomain}" >> "/etc/resolv.conf"' warning "Failed to write domain entry to resolv.conf" ${thisscript}
fi
}
EnableResolvConfUpdates(){
if [ "${ipv4addresstype}" = "dhcp" ]
then
if [ -x "/sbin/dhclient-script" ]
then
if [ ${distro} = "DEBIAN" ]
then
dhfile="/etc/dhcp3/dhclient-enter-hooks.d/nodnsupdate"
else
if [ -d "/etc/dhcp" ]
then
dhfile="/etc/dhcp/dhclient-enter-hooks"
else
dhfile="/etc/dhclient-enter-hooks"
fi
fi
WriteInfo "Removing dhclient enter hooks to enable resolv.conf overwrites in: ${dhfile}" ${thisscript}
if [ -e "${dhfile}" ]
then
rm -f ${dhfile}
fi
fi
if [ -e /etc/sysconfig/network/dhcp ]
then
WriteInfo "Setting DHCLIENT_MODIFY_RESOLV_CONF=yes in /etc/sysconfig/network/dhcp" ${thisscript}
sed -i".bak" 's/^DHCLIENT_MODIFY_RESOLV_CONF=.*/DHCLIENT_MODIFY_RESOLV_CONF="yes"/g' /etc/sysconfig/network/dhcp
fi
if [ -x "/sbin/resolvconf" ]
then
WriteInfo "Enabling resolvconf updates to resolv.conf." ${thisscript}
/sbin/resolvconf --enable-updates
fi
fi
}
ConfigHostsEntry(){
thishost=`hostname`
thisdnsdomain=`cat /etc/resolv.conf |grep -e "^domain " |awk '{print $2}'`
thissearchlist=`cat /etc/resolv.conf |grep -e "^search "`
if [ -n "${ipv4address}" -a "${ipv4addresstype}" = "static" ]
then
#Remove entries currently in /etc/hosts for this IP Address
cfgExec "sed -i".bak" '/'${ipv4address}'/d' /etc/hosts" warning "Failed to remove old host entries for IP ${ipv4address} from /etc/hosts" ${thisscript}
if [ ${thishost} ]
then
if [ ${thisdnsdomain} ]
then
hostentry="${ipv4address} ${thishost}.${thisdnsdomain} ${thishost}"
else
hostentry="${ipv4address} ${thishost}"
fi
cfgExec 'echo "${hostentry}" >> /etc/hosts' warning "Failed to write host entry for IP ${ipv4address} line to /etc/hosts" ${thisscript}
fi
fi
if [ -n "${ipv6address}" -a "${ipv6addresstype}" = "static" ]
then
#Remove entries currently in /etc/hosts for this IP Address
cfgExec "sed -i".bak" '/'${ipv6address}'/d' /etc/hosts" warning "Failed to remove old host entries for IP ${ipv6address} from /etc/hosts" ${thisscript}
if [ ${thishost} ]
then
if [ ${thisdnsdomain} ]
then
hostentry="${ipv6address} ${thishost}.${thisdnsdomain} ${thishost}"
else
hostentry="${ipv6address} ${thishost}"
fi
cfgExec 'echo "${hostentry}" >> /etc/hosts' warning "Failed to write host entry for IP ${ipv6address} line to /etc/hosts" ${thisscript}
fi
fi
}
#Adapter configuration - RHEL
NetConfigRHEL(){
if [ ${cfgAddress} = "true" ]
then
WriteInfo "Configuring scripts for network adapter ${dev}" ${thisscript}
#Make sure that networking is enabled
cfgExec "sed -i".bak" '/NETWORKING=/d' /etc/sysconfig/network" warning "Failed to purge NETWORKING line from /etc/sysconfig/network" ${thisscript}
cfgExec 'echo "NETWORKING=yes" >> /etc/sysconfig/network' error "Failed to write NETWORKING line to /etc/sysconfig/network" ${thisscript}
if [ "${cfgIPv6}" = "true" ]
then
cfgExec "sed -i".bak" '/NETWORKING_IPV6=/d' /etc/sysconfig/network" warning "Failed to purge NETWORKING_IPV6 line from /etc/sysconfig/network" ${thisscript}
cfgExec 'echo "NETWORKING_IPV6=yes" >> /etc/sysconfig/network' error "Failed to write NETWORKING_IPV6 line to /etc/sysconfig/network" ${thisscript}
fi
cfgdir="/etc/sysconfig/network-scripts"
#remove old netconfig files for this interface.
WriteInfo "Deleting old ${dev} configuration" ${thisscript}
cfgExec "rm $cfgdir/ifcfg-*$dev* --force" warning "Failed to delete old ${dev} configuration" ${thisscript}
cfgExec "rm $cfgdir/route-*$dev* --force" warning "Failed to delete old ${dev} route configuration" ${thisscript}
#Construct config file contents
netcfg=""
netcfg="${netcfg}DEVICE='${dev}'\n"
netcfg="${netcfg}STARTMODE='auto'\n"
#IPv4 and IPv4/IPv6 configurations
if [ "${cfgIPv4}" = "true" ]
then
if [ "${ipv4addresstype}" = "dhcp" ]
then
netcfg="${netcfg}BOOTPROTO='dhcp'\n"
netcfg="${netcfg}DHCP_HOSTNAME='${thishost}'\n"
fi
if [ "${ipv4addresstype}" = "static" ]
then
netcfg="${netcfg}BOOTPROTO='static'\n"
netcfg="${netcfg}IPADDR='$ipv4address'\n"
netcfg="${netcfg}NETMASK='$ipv4netmask'\n"
netcfg="${netcfg}PEERDNS='no'\n"
fi
if [ "${cfgIPv6}" = "true" ]
then
if [ "${ipv6addresstype}" = "static" ]
then
netcfg="${netcfg}IPV6INIT='yes'\n"
netcfg="${netcfg}IPV6_AUTOCONF='no'\n"
netcfg="${netcfg}IPV6ADDR='$ipv6address/$ipv6prefixlen'\n"
fi
if [ "${ipv6addresstype}" = "dhcp" ]
then
netcfg="${netcfg}IPV6INIT='yes'\n"
netcfg="${netcfg}IPV6_AUTOCONF='yes'\n"
fi
fi
fi
#Handle IPv6 only configurations
if [ "${cfgIPv6}" = "true" ] && [ "${cfgIPv4}" = "false" ]
then
if [ "${ipv6addresstype}" = "dhcp" ]
then
netcfg="${netcfg}IPV6INIT='yes'\n"
netcfg="${netcfg}IPV6_AUTOCONF='yes'\n"
fi
if [ "${ipv6addresstype}" = "static" ]
then
netcfg="${netcfg}IPV6INIT='yes'\n"
netcfg="${netcfg}IPV6_AUTOCONF='no'\n"
netcfg="${netcfg}IPV6ADDR='$ipv6address/$ipv6prefixlen'\n"
netcfg="${netcfg}PEERDNS='no'\n"
fi
fi
WriteInfo "Writing configuration to ${cfgdir}/ifcfg-${dev}" ${thisscript}
cfgExec 'echo -e ${netcfg} > ${cfgdir}/ifcfg-${dev}' warning "Failed to write adapter configuration to ${cfgdir}/ifcfg-${dev}" ${thisscript}
#gateways - if gw defined...
if [ "${cfgGW}" = "true" ]
then
#Purge any old default gateway
cfgExec "sed -i".bak" '/gateway/d' /etc/sysconfig/network" warning "Failed to purge gateway line from /etc/sysconfig/network" ${thisscript}
cfgExec "sed -i".bak" '/GATEWAY/d' /etc/sysconfig/network" warning "Failed to purge GATEWAY line from /etc/sysconfig/network" ${thisscript}
#Set first supplied gateway as global default gateway
WriteInfo "Writing gateway ${gwarr[0]} to /etc/sysconfig/network" ${thisscript}
cfgExec 'echo -e "GATEWAY=${gwarr[0]}" >> /etc/sysconfig/network' error "Failed to write gateway ${gwarr[0]} to /etc/sysconfig/network" ${thisscript}
fi
fi
}
#Adapter configuration - DEBIAN
RemoveDebInterface(){
#Remove adapter, and any subinterfaces from the interfaces config file
IFCfgFile="/etc/network/interfaces"
WriteInfo "Removing old configuration for adapter ${dev} from ${IFCfgFile}" ${thisscript}
sed -i".bak" '/^iface '${dev}' /,/^$/{//!d}' ${IFCfgFile}
sed -i".bak" '/'${dev}' /d' ${IFCfgFile}
sed -i".bak" '/'${dev}'$/d' ${IFCfgFile}
sed -i".bak" '/^mapping '${dev}' /,/^$/{//!d}' ${IFCfgFile}
sed -i".bak" '/^iface '${dev}'\./,/^$/{//!d}' ${IFCfgFile}
sed -i".bak" '/'${dev}'\./d' ${IFCfgFile}
lc=`cat ${IFCfgFile} |grep -c "${dev} "`
if [ ! $lc = 0 ]
then
WriteError "Failed to remove old configuration for adapter ${dev} from ${IFCfgFile}" ${thisscript}
exit -1
fi
}
NetConfigDEBIAN(){
if [ ${cfgAddress} = "true" ]
then
cfgdir="/etc/network"
#Remove old network interface configuration for this device
RemoveDebInterface
netcfg=""
netcfg="${netcfg}\n"
netcfg="${netcfg}#${dev}\n"
netcfg="${netcfg}auto ${dev}\n"
#IPv4 configuration
if [ "${cfgIPv4}" = "true" ]
then
if [ "${ipv4addresstype}" = "dhcp" ]
then
netcfg="${netcfg}iface ${dev} inet dhcp\n"
fi
if [ "${ipv4addresstype}" = "static" ]
then
netcfg="${netcfg}iface ${dev} inet static\n"
netcfg="${netcfg} address ${ipv4address}\n"
netcfg="${netcfg} netmask ${ipv4netmask}\n"
#gateway, use the first IPv4 gateway in the string array
for gw in "${gwarr[@]}"
do
if [ `echo ${gw} |grep -c \.` = 1 ]
then
netcfg="${netcfg} gateway ${gw}\n"
break
fi
done
fi
fi
#IPv6 configuration
if [ "${cfgIPv6}" = "true" ]
then
if [ "${ipv6addresstype}" = "dhcp" ]
then
netcfg="${netcfg}\n"
#Default to kernel level autoconf
fi
if [ "${ipv6addresstype}" = "static" ]
then
netcfg="${netcfg}\n"
netcfg="${netcfg}iface ${dev} inet6 static\n"
netcfg="${netcfg}pre-up modprobe ipv6\n"
netcfg="${netcfg} address ${ipv6address}\n"
netcfg="${netcfg} netmask ${ipv6prefixlen}\n"
#gateway, use the first IPv6 gateway in the string array
for gw in ${gwarr}
do
if [ `echo ${gw} |grep \:|wc -l` = 1 ]
then
netcfg="${netcfg} gateway ${gw}\n"
break
fi
done
fi
fi
WriteInfo "Writing configuration for adapter ${dev} to /etc/network/interfaces" ${thisscript}
cfgExec 'echo -e ${netcfg} >> /etc/network/interfaces' error "Failed to write configuration for adapter ${dev} to /etc/network/interfaces" ${thisscript}
fi
}
#Adapter configuration - SUSE
NetConfigSUSE(){
if [ ${cfgAddress} = "true" ]
then
cfgdir="/etc/sysconfig/network"
slesver=`cat /etc/SuSE-release | grep VERSION | awk '{print $3}'`
if [ "${slesver}" -eq 10 ]
then
cfgfile="${cfgdir}/ifcfg-eth-id-${macaddress}"
routefile="${cfgdir}/ifroute-eth-id-${macaddress}"
sed -i".bak" 's/^FORCE_PERSISTENT_NAMES=.*/FORCE_PERSISTENT_NAMES=yes/g' /etc/sysconfig/network/config
else
cfgfile="${cfgdir}/ifcfg-${dev}"
routefile="${cfgdir}/ifroute-${dev}"
fi
#remove old netconfig files for this interface.
WriteInfo "Deleting old ${dev} scripts" ${thisscript}
cfgExec "rm $cfgdir/ifcfg-*$dev* --force" warning "Failed to delete old ${dev} scripts" ${thisscript}
#Construct config file contents
netcfg=""
netcfg="${netcfg}DEVICE='${dev}'\n"
netcfg="${netcfg}STARTMODE='auto'\n"
#IPv4 and IPv4/IPv6 configurations
if [ "${cfgIPv4}" = "true" ]
then
if [ "${ipv4addresstype}" = "dhcp" ]
then
netcfg="${netcfg}BOOTPROTO='dhcp'\n"
fi
if [ "${ipv4addresstype}" = "static" ]
then
netcfg="${netcfg}BOOTPROTO='static'\n"
netcfg="${netcfg}IPADDR='${ipv4address}'\n"
netcfg="${netcfg}NETMASK='${ipv4netmask}'\n"
fi
if [ "${cfgIPv6}" = "true" ]
then
if [ "${ipv6addresstype}" = "static" ]
then
netcfg="${netcfg}LABEL_0='0'\n"
netcfg="${netcfg}IPADDR_0='${ipv6address}'\n"
netcfg="${netcfg}PREFIXLEN_0='${ipv6prefixlen}'\n"
fi
fi
fi
#Handle IPv6 only configurations
if [ "${cfgIPv6}" = "true" ] && [ "${cfgIPv4}" = "false" ]
then
#if [ "${ipv6addresstype}" = "dhcp" ]
#then
#Default to kernel level autoconf
#fi
if [ "${ipv6addresstype}" = "static" ]
then
netcfg="${netcfg}LABEL_0='0'\n"
netcfg="${netcfg}IPADDR_0='${ipv6address}'\n"
netcfg="${netcfg}PREFIXLEN_0='${ipv6prefixlen}'\n"
fi
fi
WriteInfo "Writing configuration for adapter ${dev} to ${cfgdir}/ifcfg-${dev}" ${thisscript}
cfgExec 'echo -e ${netcfg} > ${cfgfile}' error "Failed to write configuration for adapter ${dev} to ${cfgfile}" ${thisscript}
#gateways - if gw defined...
if [ "${cfgGW}" = "true" ]
then
WriteInfo "Removing old ifroute files for interface ${dev}" ${thisscript}
cfgExec "rm ${cfgdir}/ifroute-*${dev}* --force" warning "Failed to remove old ifroute files for interface ${dev}" ${thisscript}
#Construct new route table for defined gateways
gwlist="# Destination gateway Netmask Device \n"
gwlist="${gwlist}default ${gwarr[0]} 0.0.0.0 ${dev} \n"
#Write to ifroute file
cfgExec 'echo -e ${gwlist} > ${routefile}' error "Failed to write default route to ${routefile}" ${thisscript}
#Clean out old routing table, as it is expected to be invalid now
WriteInfo "Moving /etc/sysconfig/network/routes to routes.bak" ${thisscript}
if [ -e "/etc/sysconfig/network/routes" ]
then
cfgExec "mv /etc/sysconfig/network/routes /etc/sysconfig/network/routes.bak" warning "Failed to move /etc/sysconfig/network/routes to routes.bak" ${thisscript}
fi
fi
fi
}
function ValidateConfig {
if [ -x /sbin/ip ]
then
ifstatus=`ip link show ${dev} |grep -c UP`
ipv4status=`ip -o addr show ${dev} |grep -c "${ipv4address}"`
ipv4mask=`ip addr show ${dev} |grep -c "/${ipv4prefixlen}"`
else
ifstatus=`ifconfig ${dev} |grep -c UP`
ipv4status=`ifconfig ${dev} |grep -c "inet addr:${ipv4address}"`
ipv4mask=`ifconfig ${dev} |grep -c "Mask:${ipv4netmask}"`
fi
if [ ${ifstatus} = 1 ]
then
WriteInfo "Interface ${dev} is configured and up." ${thisscript}
else
WriteError "Interface ${dev} is not configured or is not up." ${thisscript}
exit -1
fi
#Check static configs
if [ "${ipv4addresstype}" = "static" ]
then
if [ ${ipv4status} = 1 ]
then
WriteInfo "Interface ${dev} has the correct static IPv4 address." ${thisscript}
else
WriteError "Interface ${dev} does not have the correct static IPv4 address." ${thisscript}
exit -1
fi
if [ ${ipv4mask} = 1 ]
then
WriteInfo "Interface ${dev} has the correct static IPv4 netmask." ${thisscript}
else
WriteError "Interface ${dev} does not have the correct static IPv4 netmask." ${thisscript}
exit -1
fi
fi
}
#Main
GetDistroFamily
ClearUnusedAdapters
ConfigHostsEntry
if [ ${distro} = "unknown" ]
then
WriteError "Failed to detect Linux distribution. Exiting" ${thisscript}
exit -1
else
if [ ${distro} = "DEBIAN" ]
then
NetConfigDEBIAN
fi
if [ ${distro} = "RHEL" ]
then
NetConfigRHEL
fi
if [ ${distro} = "SUSE" ]
then
NetConfigSUSE
fi
fi
EnableResolvConfUpdates
RestartNetwork
if [ "${cfgDNSClient}" = "true" ]
then
ConfigResolv
fi
echo ${dev} >> $(dirname ${0})/../status/definedadapters
ValidateConfig
exit ${retcode}