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Update build_nat_network.sh

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spiritLHLS 2023-04-23 22:29:54 +08:00 committed by GitHub
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commit 0f65861270
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scripts/build_nat_network.sh
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@ -69,6 +69,30 @@ else
fi
${sysctl_path} -p
# 检查/etc/network/interfaces是否有source /etc/network/interfaces.d/*行
if grep -q "source /etc/network/interfaces.d/*" /etc/network/interfaces; then
# 检查/etc/network/interfaces.d/文件夹下是否有50-cloud-init文件
if [ -f /etc/network/interfaces.d/50-cloud-init ]; then
# 检查50-cloud-init文件中是否有iface eth0 inet dhcp行
if grep -q "iface eth0 inet dhcp" /etc/network/interfaces.d/50-cloud-init; then
# 获取ipv4、subnet、gateway信息
gateway=$(ip route | awk '/default/ {print $3}')
eth0info=$(ip -o -4 addr show dev eth0 | awk '{print $4}')
ipv4=$(echo $eth0info | cut -d'/' -f1)
subnet=$(echo $eth0info | cut -d'/' -f2)
subnet=$(ipcalc -n "$ipv4/$subnet" | grep -oP 'Netmask:\s+\K.*' | awk '{print $1}')
chattr -i /etc/network/interfaces.d/50-cloud-init
sed -i "/iface eth0 inet dhcp/c\
iface eth0 inet static\n\
address $ipv4\n\
netmask $subnet\n\
gateway $gateway\n\
dns-nameservers 8.8.8.8 8.8.4.4" /etc/network/interfaces.d/50-cloud-init
chattr +i /etc/network/interfaces.d/50-cloud-init
fi
fi
fi
# 重启配置
service networking restart
systemctl restart networking.service