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alpine: 添加是否有静态地址的判断，因为有 dhcp 不代表有静态地址

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bin456789 2023-10-22 17:06:35 +08:00
parent 028b7bb8d9
commit d548cbbe21
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1 changed files with 52 additions and 31 deletions
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@ -278,12 +278,36 @@ get_netconf_to() {
eval "$1='$res'"
}
# 有 dhcpv4 不等于有网关，例如 vultr 纯 ipv6
# 没有 dhcpv4 不等于是静态ip，可能是没有 ip
is_dhcpv4() {
get_netconf_to dhcpv4
# shellcheck disable=SC2154
[ "$dhcpv4" = 1 ]
}
is_staticv4() {
if ! is_dhcpv4; then
get_netconf_to ipv4_addr
get_netconf_to ipv4_gateway
if [ -n "$ipv4_addr" ] && [ -n "$ipv4_gateway" ]; then
return 0
fi
fi
return 1
}
is_staticv6() {
if ! is_slaac && ! is_dhcpv6; then
get_netconf_to ipv6_addr
get_netconf_to ipv6_gateway
if [ -n "$ipv6_addr" ] && [ -n "$ipv6_gateway" ]; then
return 0
fi
fi
return 1
}
is_slaac() {
get_netconf_to slaac
# shellcheck disable=SC2154
@ -378,51 +402,48 @@ iface lo inet loopback
auto eth0
EOF
# 生成 ipv4 配置
if is_dhcpv4; then
echo "iface eth0 inet dhcp" >>/etc/network/interfaces
else
if is_staticv4; then
# 静态 ipv4
get_netconf_to ipv4_addr
get_netconf_to ipv4_gateway
if [ -n "$ipv4_addr" ]; then
# shellcheck disable=SC2154
cat <<EOF >>/etc/network/interfaces
# shellcheck disable=SC2154
cat <<EOF >>/etc/network/interfaces
iface eth0 inet static
address $ipv4_addr
gateway $ipv4_gateway
EOF
fi
else
# 动态 ipv4
echo "iface eth0 inet dhcp" >>/etc/network/interfaces
fi
# 生成 ipv6 配置
# slaac 或者 dhcpv6，实测不用写配置
if false; then
if is_slaac; then
echo 'iface eth0 inet6 auto' >>/etc/network/interfaces
fi
if is_dhcpv6; then
echo 'iface eth0 inet6 dhcp' >>/etc/network/interfaces
fi
fi
# 静态
if ! is_slaac && ! is_dhcpv6; then
if is_staticv6; then
# 静态 ipv6
get_netconf_to ipv6_addr
get_netconf_to ipv6_gateway
if [ -n "$ipv6_addr" ]; then
# shellcheck disable=SC2154
cat <<EOF >>/etc/network/interfaces
# shellcheck disable=SC2154
cat <<EOF >>/etc/network/interfaces
iface eth0 inet6 static
address $ipv6_addr
gateway $ipv6_gateway
EOF
# 如果有rdnss，则删除自己添加的dns，再添加rdnss
# 也有可能 dhcpcd 会自动设置，但没环境测试
get_netconf_to rdnss
if [ -n "$rdnss" ]; then
sed -i '/^[[:blank:]]*nameserver[[:blank:]].*:/d' /etc/resolv.conf
echo "nameserver $rdnss" >>/etc/resolv.conf
# 如果有rdnss，则删除自己添加的dns，再添加rdnss
# 也有可能 dhcpcd 会自动设置，但没环境测试
get_netconf_to rdnss
if [ -n "$rdnss" ]; then
sed -i '/^[[:blank:]]*nameserver[[:blank:]].*:/d' /etc/resolv.conf
echo "nameserver $rdnss" >>/etc/resolv.conf
fi
else
# 动态 ipv6
# 实测不用写配置
if false; then
if is_slaac; then
echo 'iface eth0 inet6 auto' >>/etc/network/interfaces
fi
if is_dhcpv6; then
echo 'iface eth0 inet6 dhcp' >>/etc/network/interfaces
fi
fi
fi