mirror of
https://github.com/thelittlerocket/pve.git
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130 lines
3.9 KiB
Bash
130 lines
3.9 KiB
Bash
#!/bin/bash
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#from https://github.com/spiritLHLS/pve
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# 2023.06.12
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# 打印信息
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_red() { echo -e "\033[31m\033[01m$@\033[0m"; }
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_green() { echo -e "\033[32m\033[01m$@\033[0m"; }
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_yellow() { echo -e "\033[33m\033[01m$@\033[0m"; }
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_blue() { echo -e "\033[36m\033[01m$@\033[0m"; }
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reading(){ read -rp "$(_green "$1")" "$2"; }
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export DEBIAN_FRONTEND=noninteractive
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utf8_locale=$(locale -a 2>/dev/null | grep -i -m 1 -E "UTF-8|utf8")
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if [[ -z "$utf8_locale" ]]; then
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echo "No UTF-8 locale found"
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else
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export LC_ALL="$utf8_locale"
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export LANG="$utf8_locale"
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export LANGUAGE="$utf8_locale"
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echo "Locale set to $utf8_locale"
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fi
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# 查询信息
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if ! command -v lshw > /dev/null 2>&1; then
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apt-get install -y lshw
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fi
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# 提取物理网卡名字
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interface=$(lshw -C network | awk '/logical name:/{print $3}' | head -1)
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if [ -z "$interface" ]; then
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interface="eth0"
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fi
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# 提取IPV4地址
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ipv4_address=$(ip addr show | awk '/inet .*global/ && !/inet6/ {print $2}')
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# 提取IPV4网关
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gateway=$(ip route | awk '/default/ {print $3}')
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# 获取IPV6子网前缀
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SUBNET_PREFIX=$(ip -6 addr show | grep -E 'inet6.*global' | awk '{print $2}' | awk -F'/' '{print $1}' | head -n 1 | cut -d ':' -f1-5):
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# 提取IPV6地址
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ipv6_address=$(ip addr show | awk '/inet6.*scope global/ { print $2 }' | head -n 1)
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# 检查是否存在 IPV6
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if [ -z "$SUBNET_PREFIX" ]; then
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_red "无 IPV6 子网，不进行自动映射"
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else
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_blue "母鸡的IPV6子网前缀为 $SUBNET_PREFIX"
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fi
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if [ -z "$ipv6_address" ]; then
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_red "母机无 IPV6 地址，不进行自动映射"
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else
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_blue "母鸡的IPV6地址为 $ipv6_address"
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fi
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# 录入网关
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if [ -f /etc/network/interfaces ]; then
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cp /etc/network/interfaces /etc/network/interfaces.bak
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fi
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interfaces_file="/etc/network/interfaces"
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chattr -i "$interfaces_file"
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# if ! grep -q "auto lo" "$interfaces_file"; then
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# echo "auto lo" >> "$interfaces_file"
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# fi
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# if ! grep -q "iface lo inet loopback" "$interfaces_file"; then
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# echo "iface lo inet loopback" >> "$interfaces_file"
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# fi
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if ! grep -q "iface ${interface} inet manual" "$interfaces_file"; then
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echo "iface ${interface} inet manual" >> "$interfaces_file"
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fi
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if grep -q "vmbr0" "$interfaces_file"; then
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echo "vmbr0 已存在在 ${interfaces_file}"
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else
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if [ -z "$SUBNET_PREFIX" ] || [ -z "$ipv6_address" ]; then
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cat << EOF | sudo tee -a "$interfaces_file"
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auto vmbr0
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iface vmbr0 inet static
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address $ipv4_address
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gateway $gateway
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bridge_ports $interface
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bridge_stp off
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bridge_fd 0
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EOF
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else
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cat << EOF | sudo tee -a "$interfaces_file"
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auto vmbr0
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iface vmbr0 inet static
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address $ipv4_address
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gateway $gateway
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bridge_ports $interface
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bridge_stp off
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bridge_fd 0
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iface vmbr0 inet6 static
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address ${ipv6_address}
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gateway ${SUBNET_PREFIX}
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EOF
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fi
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fi
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if grep -q "vmbr1" "$interfaces_file"; then
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echo "vmbr1 已存在在 "$interfaces_file""
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else
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cat << EOF | sudo tee -a "$interfaces_file"
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auto vmbr1
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iface vmbr1 inet static
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address 172.16.1.1
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netmask 255.255.255.0
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bridge_ports none
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bridge_stp off
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bridge_fd 0
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post-up echo 1 > /proc/sys/net/ipv4/ip_forward
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post-up echo 1 > /proc/sys/net/ipv4/conf/vmbr1/proxy_arp
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post-up iptables -t nat -A POSTROUTING -s '172.16.1.0/24' -o vmbr0 -j MASQUERADE
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post-down iptables -t nat -D POSTROUTING -s '172.16.1.0/24' -o vmbr0 -j MASQUERADE
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EOF
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fi
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chattr +i "$interfaces_file"
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# 加载iptables并设置回源且允许NAT端口转发
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apt-get install -y iptables iptables-persistent
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iptables -t nat -A POSTROUTING -j MASQUERADE
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sysctl net.ipv4.ip_forward=1
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sysctl_path=$(which sysctl)
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if grep -q "^net.ipv4.ip_forward=1" /etc/sysctl.conf; then
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if grep -q "^#net.ipv4.ip_forward=1" /etc/sysctl.conf; then
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sed -i 's/^#net.ipv4.ip_forward=1/net.ipv4.ip_forward=1/' /etc/sysctl.conf
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fi
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else
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echo "net.ipv4.ip_forward=1" >> /etc/sysctl.conf
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fi
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${sysctl_path} -p
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# 重启配置
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service networking restart
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systemctl restart networking.service
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