【shell脚本】自动生成网卡文件主要内容auto_network_scripts.sh

[root@rhel8 shell]# cat auto_network_scripts.sh 
#!/bin/bash
# Auto Make KVM Virtualization
# Auto config bond scripts
# by author tanbaobao 2020/06/09

NET_NAME=`route -n | sed -n '3p' | awk '{print $8}'`

function ens_bond()
{
    NETWORK=(
        IPADDR=`ifconfig $NET_NAME | egrep -w inet | sed -e 's/^.*inet //g' | sed -e 's/ netmask.*$//g'`
        NATMASK=`ifconfig $NET_NAME | egrep -w netmask | sed -e 's/^.*netmask //g' | sed -e 's/broad.*$//
g'`        
　　　　 GETWAY=`route -n | egrep "UG" | awk '{print $2}'`
        UUID=`nmcli c | sed -n '2p' | awk '{print $2}'`
    )
cat > ifcfg-$NET_NAME <<EOF
TYPE=Ethernet
BOOTPROTO=none
NAME=$NET_NAME
${NETWORK[3]}
DEVICE=$NET_NAME
ONBOOT=yes
${NETWORK[0]}
${NETWORK[1]}
${NETWORK[2]}
DNS1=8.8.8.8
DEFROUTE=yes
DNS2=114.114.114.114
EOF
}

ens_bond