# !/bin/bash
touch /ip.txt
read -p "Please put in the version（1.centos5.x-6.x 2.centos7.x 3.ubuntu or debian）: " ZZ
read -p "Please put in the network name: " WW
echo  "Please put in the ip ranges: "
cat> /ip.txt
CC=-1
DD=0
while read ips;
do
a1=`echo $ips|awk -F'/'+ '{ print $2 }'`
a2=`echo $ips|awk -F'/'+ '{ print $1 }'`
a3=`echo $a2 | awk -F. '{print $1"."$2"."$3}'`
a4=`echo ${a2##*.}`
let CC=$CC+1
let n=$a4+2


if [[ $ZZ -eq 1 ]];then
 cd /etc/sysconfig/network-scripts/
 if [[ $a1 -eq 24 ]];then
  touch ./ifcfg-$WW-range$CC
    let y=$n+252
    echo "DEVICE=$WW
BOOTPROTO=static 
CLONENUM_START=$DD
IPADDR_START=$a3.$n
IPADDR_END=$a3.$y
NETMASK=255.255.255.0
ONBOOT=yes">>./ifcfg-$WW-range$CC
    let DD=$DD+253
  
 elif [[ $a1 -eq 26 ]];then
  touch ./ifcfg-$WW-range$CC
    let y=$n+60
    echo "DEVICE=$WW
BOOTPROTO=static 
CLONENUM_START=$DD
IPADDR_START=$a3.$n
IPADDR_END=$a3.$y
NETMASK=255.255.255.192
ONBOOT=yes">>./ifcfg-$WW-range$CC
    let DD=$DD+61

 elif [[ $a1 -eq 27 ]];then
  touch ./ifcfg-$WW-range$CC
    let y=$n+28
    echo "DEVICE=$WW
BOOTPROTO=static 
CLONENUM_START=$DD
IPADDR_START=$a3.$n
IPADDR_END=$a3.$y
NETMASK=255.255.255.224
ONBOOT=yes">>./ifcfg-$WW-range$CC
    let DD=$DD+29

 elif [[ $a1 -eq 28 ]];then
  touch ./ifcfg-$WW-range$CC
    let y=$n+12
    echo "DEVICE=$WW
BOOTPROTO=static 
CLONENUM_START=$DD
IPADDR_START=$a3.$n
IPADDR_END=$a3.$y
NETMASK=255.255.255.240
ONBOOT=yes">>./ifcfg-$WW-range$CC
    let DD=$DD+13

 elif [[ $a1 -eq 29 ]];then
  touch ./ifcfg-$WW-range$CC
    let y=$n+4
    echo "DEVICE=$WW
BOOTPROTO=static 
CLONENUM_START=$DD
IPADDR_START=$a3.$n
IPADDR_END=$a3.$y
NETMASK=255.255.255.248
ONBOOT=yes">>./ifcfg-$WW-range$CC
    let DD=$DD+5
 fi

elif [[ $ZZ -eq 2 ]];then
 cd /etc/sysconfig/network-scripts/
 if [[ $a1 -eq 24 ]];then
  for ((m=0;m<=252;m=m+1))
  do
    let k=$DD
    let y=$n+$m
    echo "IPADDR$k=$a3.$y
PREFIX$k=24">>./ifcfg-$WW
    let DD=$DD+1
  done

 elif [[ $a1 -eq 26 ]]; then
  for ((m=0;m<=60;m=m+1))
  do
    let k=$DD
    let y=$n+$m
    echo "IPADDR$k=$a3.$y
PREFIX$k=26">>./ifcfg-$WW
    let DD=$DD+1
  done

 elif [[ $a1 -eq 27 ]]; then
  for ((m=0;m<=28;m=m+1))
  do
    let k=$DD
    let y=$n+$m
    echo "IPADDR$k=$a3.$y
PREFIX$k=27">>./ifcfg-$WW
    let DD=$DD+1
  done

 elif [[ $a1 -eq 28 ]]; then
  for ((m=0;m<=12;m=m+1))
  do
    let k=$DD
    let y=$n+$m
    echo "IPADDR$k=$a3.$y
PREFIX$k=28">>./ifcfg-$WW
    let DD=$DD+1
  done

 elif [[ $a1 -eq 29 ]]; then
  for ((m=0;m<=4;m=m+1))
  do
    let k=$DD
    let y=$n+$m
    echo "IPADDR$k=$a3.$y
PREFIX$k=29">>./ifcfg-$WW
    let DD=$DD+1
  done
 fi

elif [[ $ZZ -eq 3 ]];then
 if [[ $a1 -eq 24 ]];then
  for ((m=0;m<=252;m=m+1))
  do
    let k=$DD
    let y=$n+$m
    let f=$a4+1
    echo "auto $WW:$k
iface $WW:$k inet static
        address $a3.$y
        netmask 255.255.255.0
        gateway $a3.$f
  ">>/etc/network/interfaces
    let DD=$DD+1
  done

 elif [[ $a1 -eq 26 ]]; then
  for ((m=0;m<=60;m=m+1))
  do
    let k=$DD
    let y=$n+$m
    let f=$a4+1
    echo "auto $WW:$k
iface $WW:$k inet static
        address $a3.$y/26
  ">>/etc/network/interfaces
    let DD=$DD+1
  done

 elif [[ $a1 -eq 27 ]]; then
  for ((m=0;m<=28;m=m+1))
  do
    let k=$DD
    let y=$n+$m
    let f=$a4+1
    echo "auto $WW:$k
iface $WW:$k inet static
        address $a3.$y
        netmask 255.255.255.224
        gateway $a3.$f
  ">>/etc/network/interfaces
    let DD=$DD+1
  done

 elif [[ $a1 -eq 28 ]]; then
  for ((m=0;m<=12;m=m+1))
  do
    let k=$DD
    let y=$n+$m
    let f=$a4+1
    echo "auto $WW:$k
iface $WW:$k inet static
        address $a3.$y
        netmask 255.255.255.240
        gateway $a3.$f
  ">>/etc/network/interfaces
    let DD=$DD+1
  done

 elif [[ $a1 -eq 29 ]]; then
  for ((m=0;m<=4;m=m+1))
  do
    let k=$DD
    let y=$n+$m
    let f=$a4+1
    echo "auto $WW:$k
iface $WW:$k inet static
        address $a3.$y
        netmask 255.255.255.248
        gateway $a3.$f
  ">>/etc/network/interfaces
    let DD=$DD+1
  done
 fi
fi
done < /ip.txt
  rm -rf /ip.txt

if [[ $ZZ -eq 1 ]];then
    echo "
*********************************************
The ips have been added successfully!
Please run service network  restart
*********************************************"

elif [[ $ZZ -eq 2 ]];then
    echo "
*********************************************
The ips have been added successfully!
Please run service network  restart
*********************************************"

elif [[ $ZZ -eq 3 ]];then
   echo "
*********************************************
The ips have been added successfully!
Please run /etc/init.d/networking restart
*********************************************"
fi
#end