gl-inet-onescript/docker/do_docker.sh

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#!/bin/sh
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# 定义颜色输出函数
red() { echo -e "\033[31m\033[01m[WARNING] $1\033[0m"; }
green() { echo -e "\033[32m\033[01m[INFO] $1\033[0m"; }
yellow() { echo -e "\033[33m\033[01m[NOTICE] $1\033[0m"; }
blue() { echo -e "\033[34m\033[01m[MESSAGE] $1\033[0m"; }
light_magenta() { echo -e "\033[95m\033[01m[NOTICE] $1\033[0m"; }
light_yellow() { echo -e "\033[93m\033[01m[NOTICE] $1\033[0m"; }
# 获取路由器型号信息
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get_router_name() {
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cat /tmp/sysinfo/model
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}
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# 安装依赖应用
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install_depends_apps() {
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blue "正在安装 部署docker环境所需的工具 lsblk 和 fdisk..."
local router_name=$(get_router_name)
opkg update >/dev/null 2>&1
if opkg install lsblk fdisk >/dev/null 2>&1; then
green "$router_name 的 lsblk 和 fdisk 工具安装成功。"
else
red "安装失败。"
exit 1
fi
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}
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# 准备USB设备
prepare_usb_device() {
green "现在开始查找USB设备分区请稍后......"
local usb_disk=$(lsblk -dn -o NAME,RM,TYPE | awk '$2=="1" && $3=="disk" {print "/dev/"$1; exit}')
if [ -z "$usb_disk" ]; then
red "未找到USB磁盘。"
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exit 1
fi
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yellow "找到USB磁盘$usb_disk"
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# 清零磁盘开始部分以清除分区表和文件系统签名
dd if=/dev/zero of=$usb_disk bs=1M count=10
sync
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# 卸载所有与该磁盘相关的挂载点
unmount_usb_device "$usb_disk"
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red "正在重新分区并格式化$usb_disk..."
create_and_format_partition "$usb_disk"
}
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# 卸载USB设备
unmount_usb_device() {
for mount in $(mount | grep "$1" | awk '{print $3}'); do
yellow "正在尝试卸载U盘挂载点$mount"
umount $mount || {
red "警告:无法卸载挂载点 $mount。可能有文件正在被访问或权限不足。"
exit 1
}
green "U盘挂载点 $mount 卸载成功。"
done
}
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# 创建并格式化分区
create_and_format_partition() {
{
echo o # 创建一个新的空DOS分区表
echo n # 添加一个新分区
echo p # 主分区
echo 1 # 分区号1
echo # 第一个可用扇区(默认)
echo # 最后一个扇区(默认,使用剩余空间)
echo w # 写入并退出
} | fdisk $1 >/dev/null 2>&1
sleep 5
local new_partition="${1}1"
red "正在将U盘 $new_partition 格式化为EXT4文件系统..."
mkfs.ext4 -F $new_partition >/dev/null 2>&1
green "$new_partition 已成功格式化为EXT4文件系统。"
}
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# 配置并启动Docker
configure_and_start_docker() {
local new_partition="$1"
local usb_mount_point="/mnt/upan_data"
local docker_root="$usb_mount_point/docker"
mkdir -p $docker_root
green "将U盘 挂载到 $usb_mount_point..."
mount -t ext4 $new_partition $usb_mount_point
if [ $? -ne 0 ]; then
red "挂载失败,脚本退出。"
exit 1
fi
green "U盘挂载成功啦\n"
green "正在创建 Docker 配置文件 /etc/docker/daemon.json"
mkdir -p /etc/docker
echo '{
"bridge": "docker0",
"storage-driver": "overlay2",
"data-root": "'$docker_root'"
}' >/etc/docker/daemon.json
install_docker
configure_docker_to_start_on_boot "$new_partition" "$usb_mount_point"
start_docker_and_check
}
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# 安装 Docker 和 dockerd
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install_docker() {
green "正在更新 OPKG 软件包..."
opkg update >/dev/null 2>&1
green "正在安装 Docker 及相关服务...请耐心等待一会...大约需要1分钟\n"
opkg install luci-app-dockerman >/dev/null 2>&1
opkg install luci-i18n-dockerman-zh-cn >/dev/null 2>&1
opkg install dockerd --force-depends >/dev/null 2>&1
}
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# 配置 Docker 开机启动
configure_docker_to_start_on_boot() {
local new_partition="$1"
local usb_mount_point="$2"
# 创建并配置启动脚本
green "正在设置 Docker 跟随系统启动的文件:/etc/init.d/docker"
cat <<EOF >/etc/init.d/docker
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#!/bin/sh /etc/rc.common
START=99
USE_PROCD=1
PROG="/usr/bin/dockerd"
start_service() {
procd_open_instance
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procd_set_param command \$PROG --config-file /etc/docker/daemon.json
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procd_set_param stdout 1
procd_set_param stderr 1
procd_close_instance
}
stop_service() {
killall dockerd
}
restart() {
stop
start
}
EOF
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chmod +x /etc/init.d/docker
/etc/init.d/docker enable
}
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# 启动 Docker 并检查
start_docker_and_check() {
/etc/init.d/docker start
sleep 5
if ! docker info >/dev/null 2>&1; then
red "Docker 启动失败,您可以手动启动docker 执行 /etc/init.d/docker start"
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else
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green "Docker 启动成功并设置正确,您可以直接使用啦~\n"
DOCKER_ROOT_DIR=$(docker info 2>&1 | grep -v "WARNING" | grep "Docker Root Dir" | awk '{print $4}')
light_magenta "当前Docker根目录为: $DOCKER_ROOT_DIR"
light_yellow "Docker根目录剩余空间:$(df -h $DOCKER_ROOT_DIR | awk 'NR==2{print $4}')"
yellow "不过为了验证下次启动docker的有效性 建议手动重启路由器一次 祝您使用愉快\n"
red "是否立即重启?(y/n)"
read -r answer
if [ "$answer" = "y" ] || [ "$answer" = "Y" ]; then
red "正在重启..."
reboot
else
yellow "您选择了不重启"
fi
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fi
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}
# 主执行流程
install_depends_apps
prepare_usb_device
configure_and_start_docker "${USB_DISK}1"