From 2df34f274df3ffc28a6181fcac716772ce25763f Mon Sep 17 00:00:00 2001
From: spiritlhl <103393591+spiritLHLS@users.noreply.github.com>
Date: Tue, 30 May 2023 21:59:29 +0800
Subject: [PATCH] Update build_nat_network.sh

---
 scripts/build_nat_network.sh | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/scripts/build_nat_network.sh b/scripts/build_nat_network.sh
index e941968..348d76e 100644
--- a/scripts/build_nat_network.sh
+++ b/scripts/build_nat_network.sh
@@ -43,6 +43,21 @@ else
 fi
 gateway=$(ip route | awk '/default/ {print $3}')
 
+# 获取母鸡子网前缀
+SUBNET_PREFIX=$(ip -6 addr show | grep -E 'inet6.*global' | awk '{print $2}' | awk -F'/' '{print $1}' | head -n 1 | cut -d ':' -f1-5):
+
+# 提取IPV6地址
+content=$(cat /etc/network/interfaces.d/50-cloud-init)
+ipv6_line=$(echo "$content" | grep "address 2a12:bec0:150:1a::a/64")
+ipv6_address=$(echo "$ipv6_line" | awk '{print $2}')
+
+# 检查是否存在 IPV6 
+if [ -z "$SUBNET_PREFIX" ]; then
+    _red "无 IPV6 子网，不进行自动映射"
+else
+    _blue "母鸡的IPV6子网前缀为 $SUBNET_PREFIX"
+fi
+
 # 录入网关
 cp /etc/network/interfaces /etc/network/interfaces.bak
 if grep -q "vmbr0" /etc/network/interfaces; then
@@ -56,6 +71,9 @@ iface vmbr0 inet static
     bridge_ports $interface
     bridge_stp off
     bridge_fd 0
+iface vmbr0 inet6 static
+    address $ipv6_address
+    gateway ${SUBNET_PREFIX}1
 EOF
 fi
 if grep -q "vmbr1" /etc/network/interfaces; then