269 lines
6.8 KiB
Bash
269 lines
6.8 KiB
Bash
function hashencode(){
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local str_map="$1"
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echo `echo $str_map | sed 's/\./xDOTx/g' | sed 's/:/xCOLONx/g' | sed 's/,/:xCOMMAx/g'`
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}
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function hashset(){
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local str_hashname="hash${1}${2}"
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local str_value=$3
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str_hashname=$(hashencode $str_hashname)
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eval "${str_hashname}='${str_value}'"
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}
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function hashget(){
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local str_hashname="hash${1}${2}"
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str_hashname=$(hashencode $str_hashname)
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eval echo "\$${str_hashname}"
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}
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function debianpreconf(){
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#create the config sub dir
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if [ ! -d "/etc/network/interfaces.d" ];then
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mkdir -p "/etc/network/interfaces.d"
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fi
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#search xcat flag
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grep '#XCAT_CONFIG' /etc/network/interfaces
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if [ $? -eq 0 ];then
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return
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fi
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#back up the old interface configure
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if [ ! -e "/etc/network/interfaces.bak" ];then
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mv /etc/network/interfaces /etc/network/interfaces.bak
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fi
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#create the new config file
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echo "#XCAT_CONFIG" > /etc/network/interfaces
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echo "source /etc/network/interfaces.d/*" >> /etc/network/interfaces
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local str_conf_file=''
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#read the backfile
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cat /etc/network/interfaces.bak | while read str_line
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do
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if [ ! "$str_line" ];then
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continue
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fi
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local str_first_char=${str_line:0:1}
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if [ $str_first_char = '#' ];then
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continue
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fi
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local str_conf_type=`echo $str_line | cut -d" " -f1`
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if [ $str_conf_type = 'auto' -o $str_conf_type = 'allow-hotplug' ];then
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str_line=${str_line#$str_conf_type}
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for str_nic_name in $str_line; do
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echo "$str_conf_type $str_nic_name" > "/etc/network/interfaces.d/$str_nic_name"
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done
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elif [ $str_conf_type = 'iface' -o $str_conf_type = 'mapping' ];then
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#find out the nic name, should think about the eth0:1
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str_nic_name=`echo $str_line | cut -d" " -f 2 | cut -d":" -f 1`
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str_conf_file="/etc/network/interfaces.d/$str_nic_name"
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if [ ! -e $str_conf_file ];then
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echo "auto $str_nic_name" > $str_conf_file
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fi
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#write lines into the conffile
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echo $str_line >> $str_conf_file
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else
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echo $str_line >> $str_conf_file
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fi
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done
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}
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#tranfer the netmask to prefix for ipv4
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function v4mask2prefix(){
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local num_bits=0
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local old_ifs=$IFS
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IFS=$'.'
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local array_num_temp=($1)
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IFS=$old_ifs
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for num_dec in ${array_num_temp[@]}
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do
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case $num_dec in
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255) let num_bits+=8;;
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254) let num_bits+=7;;
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252) let num_bits+=6;;
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248) let num_bits+=5;;
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240) let num_bits+=4;;
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224) let num_bits+=3;;
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192) let num_bits+=2;;
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128) let num_bits+=1;;
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0) ;;
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*) echo "Error: $dec is not recognised"; exit 1
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esac
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done
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echo "$num_bits"
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}
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function v4prefix2mask(){
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local a=$1
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local b=0
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local num_index=1
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local str_temp=''
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local str_mask=''
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while [[ $num_index -le 4 ]]
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do
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if [ $a -ge 8 ];then
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b=8
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a=$((a-8))
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else
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b=$a
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a=0
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fi
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case $b in
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0) str_temp="0";;
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1) str_temp="128";;
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2) str_temp="192";;
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3) str_temp="224";;
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4) str_temp="240";;
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5) str_temp="248";;
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6) str_temp="252";;
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7) str_temp="254";;
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8) str_temp="255";;
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esac
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str_mask=$str_mask$str_temp"."
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num_index=$((num_index+1))
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done
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str_mask=`echo $str_mask | sed 's/.$//'`
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echo "$str_mask"
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}
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function v4calcbcase(){
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local str_mask=$2
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echo $str_mask | grep '\.' > /dev/null
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if [ $? -ne 0 ];then
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str_mask=$(v4prefix2mask $str_mask)
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fi
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local str_bcast=''
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local str_temp=''
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local str_ifs=$IFS
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IFS=$'.'
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local array_ip=($1)
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local array_mask=($str_mask)
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IFS=$str_ifs
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if [ ${#array_ip[*]} -ne 4 -o ${#array_mask[*]} -ne 4 ];then
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echo "255.255.255.255"
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return
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fi
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for index in {0..3}
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do
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str_temp=`echo $[ ${array_ip[$index]}|(${array_mask[$index]} ^ 255) ]`
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str_bcast=$str_bcast$str_temp"."
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done
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str_bcast=`echo $str_bcast | sed 's/.$//'`
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echo "$str_bcast"
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}
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function v4calcnet(){
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local str_mask=$2
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echo $str_mask | grep '\.' > /dev/null
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if [ $? -ne 0 ];then
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str_mask=$(v4prefix2mask $str_mask)
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fi
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local str_net=''
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local str_temp=''
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local str_ifs=$IFS
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IFS=$'.'
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local array_ip=($1)
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local array_mask=($str_mask)
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IFS=$str_ifs
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for index in {0..3}
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do
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str_temp=`echo $[ ${array_ip[$index]}&${array_mask[$index]} ]`
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str_net=$str_net$str_temp"."
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done
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str_net=`echo $str_net | sed 's/.$//'`
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echo "$str_net"
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}
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function v6expand(){
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local str_v6address=$1
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str_v6address=${str_v6address%%/*}
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echo "$str_v6address" | grep '::' > /dev/null
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if [ $? -ne 0 ];then
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echo "$str_v6address"
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return
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fi
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local num_colon=`echo "$str_v6address" | grep -o ':' | wc -l`
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local num_omit=$((7-num_colon))
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local str_temp=0
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local num_index=1
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while [ $num_index -le $num_omit ];do
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str_temp=$str_temp":0"
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num_index=$((num_index+1))
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done
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str_v6address=`echo $str_v6address | sed "s/::/:$str_temp:/" | sed 's/^:/0:/' | sed 's/:$/:0/'`
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echo "$str_v6address"
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}
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function v6prefix2mask(){
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local num_v6prefix=$1
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num_v6prefix=`echo $num_v6prefix | sed 's:/::g'`
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if [ $num_v6prefix -gt 128 ];then
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$num_v6prefix=128
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fi
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if [ $num_v6prefix -le 0 ];then
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$num_v6prefix=1
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fi
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local num_i=1
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local str_mask=''
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while [ $num_i -le 8 ];do
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if [ $num_v6prefix -ge 16 ];then
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str_mask=$str_mask"ffff:"
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num_v6prefix=$((num_v6prefix-16))
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elif [ $num_v6prefix -eq 0 ];then
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str_mask=$str_mask"0:"
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else
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local str_temp=$(((65535>>$num_v6prefix)^65535))
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str_temp=`echo "$str_temp"|awk '{printf("%x\n",$0)}'`
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str_mask=$str_mask"$str_temp:"
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num_v6prefix=0
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fi
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num_i=$((num_i+1))
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done
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str_mask=`echo $str_mask | sed 's/.$//'`
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echo "$str_mask"
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}
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function v6calcnet(){
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local str_v6ip=$(v6expand $1)
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local str_v6mask=$2
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local str_v6net=''
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echo "$str_v6maks " | grep ':' > /dev/null
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if [ $? -ne 0 ];then
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str_v6mask=$(v6prefix2mask $str_v6mask)
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fi
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local str_old_ifs=$IFS
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IFS=$':'
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local array_ip=($str_v6ip)
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local array_mask=($str_v6mask)
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IFS=$str_old_ifs
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for num_i in {0..7}
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do
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str_temp=$(( 0x${array_ip[$num_i]} & 0x${array_mask[$num_i]} ))
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str_temp=`echo $str_temp | awk '{printf("%x\n",$0)}'`
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str_v6net=$str_v6net$str_temp":"
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done
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str_v6net=`echo $str_v6net | sed 's/.$//'`
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echo "$str_v6net"
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}
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