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core: 完成 alpine 环境的静态ip/ipv6配置

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bin456789
2023-08-21 23:50:20 +08:00
parent 23a6a5c2cc
commit e51774d4d8
3 changed files with 200 additions and 15 deletions
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49
reinstall.sh
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@ -596,6 +596,28 @@ is_efi() {
fi
}
collect_netconf() {
if is_in_windows; then
# TODO:
echo
else
# TODO: 多网卡 单网卡多IP
nic_name=$(ip -o addr show scope global | head -1 | awk '{print $2}')
mac_addr=$(ip addr show scope global | grep link/ether | head -1 | awk '{print $2}')
ipv4_addr=$(ip -4 addr show scope global | grep inet | head -1 | awk '{print $2}')
ipv6_addr=$(ip -6 addr show scope global | grep inet6 | head -1 | awk '{print $2}')
ipv4_gateway=$(ip -4 route show default dev $nic_name | awk '{print $3}')
ipv6_gateway=$(ip -6 route show default dev $nic_name | awk '{print $3}')
echo 1 $mac_addr
echo 2 $ipv4_addr
echo 3 $ipv4_gateway
echo 4 $ipv6_addr
echo 5 $ipv6_gateway
fi
}
install_grub_win() {
grub_cfg=$1 # /cygdrive/$c/grub.cfg
@ -897,6 +919,7 @@ mod_alpine_initrd() {
# 预先下载脚本
curl -Lo $tmp_dir/trans.start $confhome/trans.sh
curl -Lo $tmp_dir/alpine-network.sh $confhome/alpine-network.sh
# virt 内核添加 ipv6 模块
if virt_dir=$(ls -d $tmp_dir/lib/modules/*-virt 2>/dev/null); then
@ -916,23 +939,45 @@ mod_alpine_initrd() {
fi
fi
# hack 运行 trans.start
# hack 1 添加 ipv6 模块
line_num=$(grep -E -n 'configure_ip\(\)' init | cut -d: -f1)
cat <<EOF | sed -i "${line_num}r /dev/stdin" init
depmod
modprobe ipv6
EOF
# hack 2 udhcpc添加 -n 参数，中断静态ipv4时dhcp无限请求
# shellcheck disable=SC2016
sed -i '/$MOCK udhcpc/s/.*/& -n || true/' init
# hack 3 网络配置
collect_netconf
line_num=$(grep -E -n 'MAC_ADDRESS=' init | cut -d: -f1)
cat <<EOF | sed -i "${line_num}r /dev/stdin" init
source /alpine-network.sh \
"$mac_addr" "$ipv4_addr" "$ipv4_gateway" "$ipv6_addr" "$ipv6_gateway" \
"$(is_in_china && echo true || echo false)"
EOF
# hack 4 运行 trans.start
# exec /bin/busybox switch_root $switch_root_opts $sysroot $chart_init "$KOPT_init" $KOPT_init_args # 3.17
# exec switch_root $switch_root_opts $sysroot $chart_init "$KOPT_init" $KOPT_init_args # 3.18
line_num=$(grep -E -n '^exec (/bin/busybox )?switch_root' init | cut -d: -f1)
line_num=$((line_num - 1))
# 1. alpine arm initramfs 时间问题 要添加 --no-check-certificate
# 2. 神奇的 aws t4g arm 会出现bad header错误， 但甲骨文arm就正常，所以只能预先下载
# 2. aws t4g arm 如果没设置console=ttyx，在initramfs里面wget https会出现bad header错误，chroot后正常
# Connecting to raw.githubusercontent.com (185.199.108.133:443)
# 60C0BB2FFAFF0000:error:0A00009C:SSL routines:ssl3_get_record:http request:ssl/record/ssl3_record.c:345:
# ssl_client: SSL_connect
# wget: bad header line: <20>
cat <<EOF | sed -i "${line_num}r /dev/stdin" init
# echo "wget --no-check-certificate -O- $confhome/trans.sh | /bin/ash" >\$sysroot/etc/local.d/trans.start
# wget --no-check-certificate -O \$sysroot/etc/local.d/trans.start $confhome/trans.sh
cp /trans.start \$sysroot/etc/local.d/trans.start
chmod a+x \$sysroot/etc/local.d/trans.start
ln -s /etc/init.d/local \$sysroot/etc/runlevels/default/
EOF
# 重建
# 注意要用 cpio -H newc 不要用 cpio -c ，不同版本的 -c 作用不一样，很坑
# -c Use the old portable (ASCII) archive format