From b45d89fc5dcb439d73078491c5a3ac75485073a8 Mon Sep 17 00:00:00 2001
From: xzx3344521 <xzx3344521@gmail.com>
Date: Fri, 31 Oct 2025 21:14:19 +0800
Subject: [PATCH] =?UTF-8?q?Create=20Docker=E9=95=9C=E5=83=8F=E6=BA=90?=
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---
 Docker镜像源自动测速脚本 | 170 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 170 insertions(+)
 create mode 100644 Docker镜像源自动测速脚本

diff --git a/Docker镜像源自动测速脚本 b/Docker镜像源自动测速脚本
new file mode 100644
index 0000000..c6768d5
--- /dev/null
+++ b/Docker镜像源自动测速脚本
@@ -0,0 +1,170 @@
+#!/bin/bash
+
+# 颜色定义
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+BLUE='\033[0;34m'
+NC='\033[0m' # No Color
+
+echo -e "${BLUE}🐳 Docker镜像源自动测速脚本${NC}"
+echo "=================================="
+
+# 定义测试的镜像源列表
+declare -A MIRRORS=(
+    ["阿里云"]="mirrors.aliyun.com"
+    ["中科大"]="mirrors.ustc.edu.cn" 
+    ["清华"]="mirrors.tuna.tsinghua.edu.cn"
+    ["华为云"]="repo.huaweicloud.com"
+    ["腾讯云"]="mirrors.cloud.tencent.com"
+    ["网易"]="mirrors.163.com"
+)
+
+# 测试文件（使用一个小文件进行测速）
+TEST_FILE="dists/bookworm/InRelease"
+# 或者使用Docker的实际包文件测试
+# TEST_FILE="linux/debian/dists/bookworm/InRelease"
+
+# 存储测速结果
+declare -A SPEED_RESULTS
+declare -A TIME_RESULTS
+
+# 测速函数
+speed_test() {
+    local mirror_name=$1
+    local mirror_url=$2
+    
+    echo -e "${YELLOW}测试 ${mirror_name} (${mirror_url})...${NC}"
+    
+    # 使用curl进行测速，下载一个小文件
+    start_time=$(date +%s.%N)
+    
+    # 测试连接时间和下载速度
+    result=$(curl -L --connect-timeout 5 --max-time 10 -o /dev/null -s -w \
+    "time_connect:%{time_connect}\ntime_starttransfer:%{time_starttransfer}\ntime_total:%{time_total}\nspeed_download:%{speed_download}" \
+    "https://${mirror_url}/${TEST_FILE}" 2>/dev/null)
+    
+    end_time=$(date +%s.%N)
+    
+    # 提取速度信息（字节/秒）
+    speed_download=$(echo "$result" | grep "speed_download" | cut -d':' -f2)
+    time_total=$(echo "$result" | grep "time_total" | cut -d':' -f2)
+    
+    # 转换为KB/s
+    if [[ $speed_download =~ ^[0-9]+([.][0-9]+)?$ ]]; then
+        speed_kbs=$(echo "scale=2; $speed_download / 1024" | bc)
+    else
+        speed_kbs=0
+    fi
+    
+    # 计算响应时间（毫秒）
+    response_time=$(echo "scale=2; $time_total * 1000" | bc 2>/dev/null || echo "0")
+    
+    # 存储结果
+    SPEED_RESULTS["$mirror_name"]=$speed_kbs
+    TIME_RESULTS["$mirror_name"]=$response_time
+    
+    if [ $(echo "$speed_kbs > 0" | bc) -eq 1 ]; then
+        echo -e "${GREEN}  ✓ 速度: ${speed_kbs} KB/s, 响应时间: ${response_time}ms${NC}"
+    else
+        echo -e "${RED}  ✗ 连接失败或超时${NC}"
+        SPEED_RESULTS["$mirror_name"]=0
+        TIME_RESULTS["$mirror_name"]=9999
+    fi
+    
+    echo ""
+}
+
+# 更换源的函数
+change_mirror() {
+    local fastest_mirror=$1
+    local fastest_url=$2
+    
+    echo -e "${GREEN}🎯 切换到最快的镜像源: ${fastest_mirror}${NC}"
+    
+    # 备份原配置
+    if [ -f "/etc/apt/sources.list.d/docker.list" ]; then
+        sudo cp /etc/apt/sources.list.d/docker.list /etc/apt/sources.list.d/docker.list.bak.$(date +%Y%m%d_%H%M%S)
+    fi
+    
+    # 创建新的Docker源配置
+    sudo tee /etc/apt/sources.list.d/docker.list > /dev/null <<EOF
+deb [arch=amd64] https://${fastest_url}/docker-ce/linux/debian bookworm stable
+EOF
+    
+    echo -e "${GREEN}✅ 已更新Docker镜像源为: ${fastest_mirror}${NC}"
+    echo -e "${BLUE}🔄 更新软件包列表...${NC}"
+    
+    sudo apt update
+}
+
+# 主函数
+main() {
+    echo -e "${BLUE}📡 开始测试各镜像源速度...${NC}"
+    echo ""
+    
+    # 测试所有镜像源
+    for mirror_name in "${!MIRRORS[@]}"; do
+        speed_test "$mirror_name" "${MIRRORS[$mirror_name]}"
+        sleep 1  # 避免请求过于频繁
+    done
+    
+    # 找出最快的镜像源
+    fastest_mirror=""
+    fastest_speed=0
+    fastest_time=9999
+    
+    echo -e "${BLUE}📊 测速结果汇总:${NC}"
+    echo "=================================="
+    
+    for mirror_name in "${!SPEED_RESULTS[@]}"; do
+        speed=${SPEED_RESULTS[$mirror_name]}
+        time=${TIME_RESULTS[$mirror_name]}
+        
+        if [ $(echo "$speed > 0" | bc) -eq 1 ]; then
+            echo -e "  ${mirror_name}: ${speed} KB/s, ${time}ms"
+            
+            # 选择策略：优先速度，速度相近时选择响应时间短的
+            if [ $(echo "$speed > $fastest_speed" | bc) -eq 1 ] || \
+               [ $(echo "$speed == $fastest_speed && $time < $fastest_time" | bc) -eq 1 ]; then
+                fastest_speed=$speed
+                fastest_time=$time
+                fastest_mirror=$mirror_name
+            fi
+        fi
+    done
+    
+    echo ""
+    
+    if [ -n "$fastest_mirror" ] && [ $(echo "$fastest_speed > 0" | bc) -eq 1 ]; then
+        echo -e "${GREEN}🚀 最快的镜像源: ${fastest_mirror}${NC}"
+        echo -e "${GREEN}📈 速度: ${fastest_speed} KB/s, 响应时间: ${fastest_time}ms${NC}"
+        echo ""
+        
+        read -p "是否立即更换为此镜像源？(y/N): " confirm
+        if [[ $confirm =~ ^[Yy]$ ]]; then
+            change_mirror "$fastest_mirror" "${MIRRORS[$fastest_mirror]}"
+        else
+            echo -e "${YELLOW}未更换镜像源。${NC}"
+        fi
+    else
+        echo -e "${RED}❌ 所有镜像源测试失败，请检查网络连接。${NC}"
+    fi
+}
+
+# 检查依赖
+check_dependencies() {
+    if ! command -v curl &> /dev/null; then
+        echo -e "${RED}❌ 需要安装 curl${NC}"
+        sudo apt update && sudo apt install -y curl
+    fi
+    
+    if ! command -v bc &> /dev/null; then
+        echo -e "${RED}❌ 需要安装 bc${NC}"
+        sudo apt update && sudo apt install -y bc
+    fi
+}
+
+# 运行脚本
+check_dependencies
+main