326 lines
11 KiB
Bash
326 lines
11 KiB
Bash
#!/bin/bash
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# 简单实用的 Docker 容器管理脚本 (优化版)
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# 颜色定义
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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PURPLE='\033[0;35m'
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CYAN='\033[0;36m'
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NC='\033[0m'
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# 检查 Docker 及权限
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check_docker() {
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if ! command -v docker &> /dev/null; then
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echo -e "${RED}错误: 未检测到 Docker，请先安装。${NC}"
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exit 1
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fi
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# 检查是否有权限执行 docker 命令
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if ! docker ps &> /dev/null; then
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echo -e "${RED}错误: 当前用户无权运行 Docker 命令。${NC}"
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echo -e "${YELLOW}请尝试使用 sudo 运行此脚本，或将用户加入 docker 用户组。${NC}"
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exit 1
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fi
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}
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# 格式化输出表头
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print_table_header() {
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printf "${BLUE}%-5s | %-25s | %-12s | %-20s${NC}\n" "编号" "容器名称" "状态" "镜像"
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echo "------|---------------------------|--------------|----------------------"
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}
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# 格式化输出行
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print_table_row() {
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printf "%-5s | %-25s | %-12b | %-20s\n" "$1" "$2" "$3" "$4"
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}
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# 显示容器列表
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show_containers() {
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echo -e "\n${BLUE}=== 容器列表 ===${NC}"
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print_table_header
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local count=0
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# 获取数据并暂存，避免管道导致的子shell变量丢失问题
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mapfile -t lines < <(docker ps -a --format "table {{.Names}}\t{{.Status}}\t{{.Image}}" | tail -n +2)
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for line in "${lines[@]}"; do
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if [ -n "$line" ]; then
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count=$((count + 1))
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name=$(echo "$line" | awk '{print $1}')
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status_raw=$(echo "$line" | awk '{print $2}')
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image=$(echo "$line" | awk '{for(i=3;i<=NF;i++) printf $i" "; print ""}' | sed 's/ $//')
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# 截断过长的名称以保持表格整洁
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display_name=$name
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if [ ${#display_name} -gt 23 ]; then display_name="${display_name:0:20}..."; fi
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# 截断过长的镜像名
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display_image=$image
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if [ ${#display_image} -gt 18 ]; then display_image="${display_image:0:15}..."; fi
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# 状态美化
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if [[ "$status_raw" == "Up"* ]]; then
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status_display="${GREEN}运行中${NC}"
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elif [[ "$status_raw" == "Exited"* ]]; then
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status_display="${RED}已停止${NC}"
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else
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status_display="${YELLOW}$status_raw${NC}"
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fi
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print_table_row "$count" "$display_name" "$status_display" "$display_image"
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fi
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done
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echo
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}
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# 显示镜像列表 (优化对齐)
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show_images() {
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echo -e "\n${PURPLE}=== 镜像列表 ===${NC}"
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printf "${PURPLE}%-5s | %-30s | %-12s | %-8s | %-15s${NC}\n" "编号" "镜像名称:标签" "镜像ID" "大小" "创建时间"
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echo "------|--------------------------------|--------------|----------|----------------"
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local count=0
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mapfile -t lines < <(docker images --format "table {{.Repository}}:{{.Tag}}\t{{.ID}}\t{{.Size}}\t{{.CreatedSince}}" | tail -n +2)
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for line in "${lines[@]}"; do
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if [ -n "$line" ]; then
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count=$((count + 1))
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repo_tag=$(echo "$line" | awk '{print $1}')
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image_id=$(echo "$line" | awk '{print $2}')
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size=$(echo "$line" | awk '{print $3}')
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created=$(echo "$line" | awk '{for(i=4;i<=NF;i++) printf $i" "; print ""}' | sed 's/ $//')
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# 截断处理
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if [ ${#repo_tag} -gt 28 ]; then repo_tag="${repo_tag:0:25}..."; fi
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printf "%-5s | %-30s | %-12s | %-8s | %-15s\n" "$count" "$repo_tag" "$image_id" "$size" "$created"
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fi
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done
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echo
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}
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# 通用获取名称函数 (复用逻辑)
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get_name_by_index() {
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local number=$1
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local type=$2 # "container" or "image"
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local cmd=""
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if [ "$type" == "container" ]; then
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cmd="docker ps -a --format '{{.Names}}'"
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else
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cmd="docker images --format '{{.ID}}'"
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fi
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# 动态获取第N行
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eval "$cmd" | sed -n "${number}p"
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}
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# 进入容器终端 (新增功能)
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enter_container() {
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local container_name=$1
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echo -e "${YELLOW}尝试进入容器: $container_name${NC}"
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echo -e "提示: 输入 ${RED}exit${NC} 可退出容器终端"
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echo
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# 优先尝试 bash，失败则尝试 sh
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if docker exec -it "$container_name" /bin/bash 2>/dev/null; then
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return
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elif docker exec -it "$container_name" /bin/sh 2>/dev/null; then
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return
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else
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echo -e "${RED}无法进入容器终端 (可能容器未包含 bash 或 sh)${NC}"
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read -p "按回车键继续..."
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fi
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}
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# 批量删除容器
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batch_delete_containers() {
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local numbers="$1"
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local confirm="$2"
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numbers=$(echo "$numbers" | sed 's/,/ /g')
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local success_count=0
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for number in $numbers; do
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if [[ "$number" =~ ^[0-9]+$ ]]; then
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container_name=$(get_name_by_index $number "container")
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if [ -n "$container_name" ]; then
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if [ "$confirm" != "y" ]; then
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read -p "确认删除容器 $container_name? (y/N): " c
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[[ "$c" != "y" && "$c" != "Y" ]] && continue
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fi
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if docker rm -f "$container_name" &> /dev/null; then
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echo -e "${GREEN}✓ 删除成功: $container_name${NC}"
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((success_count++))
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else
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echo -e "${RED}✗ 删除失败: $container_name${NC}"
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fi
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else
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echo -e "${RED}✗ 编号 $number 不存在${NC}"
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fi
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fi
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done
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[ $success_count -gt 0 ] && echo -e "${GREEN}共删除 $success_count 个容器${NC}"
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}
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# 批量删除镜像
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batch_delete_images() {
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local numbers="$1"
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local confirm="$2"
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numbers=$(echo "$numbers" | sed 's/,/ /g')
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local success_count=0
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for number in $numbers; do
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if [[ "$number" =~ ^[0-9]+$ ]]; then
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image_id=$(get_name_by_index $number "image")
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if [ -n "$image_id" ]; then
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# 获取友好名称用于显示
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image_name=$(docker images --format "{{.Repository}}:{{.Tag}}" | grep -v "REPOSITORY" | grep "$image_id" | head -n 1)
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[ -z "$image_name" ] && image_name=$image_id
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if [ "$confirm" != "y" ]; then
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read -p "确认删除镜像 $image_name? (y/N): " c
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[[ "$c" != "y" && "$c" != "Y" ]] && continue
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fi
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if docker rmi "$image_id" &> /dev/null; then
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echo -e "${GREEN}✓ 删除成功: $image_name${NC}"
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((success_count++))
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else
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echo -e "${RED}✗ 删除失败 (可能被容器占用): $image_name${NC}"
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fi
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fi
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fi
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done
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}
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# 清理悬空镜像
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clean_dangling_images() {
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local count=$(docker images -f "dangling=true" -q | wc -l)
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if [ "$count" -gt 0 ]; then
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read -p "发现 $count 个悬空镜像，是否清理？(y/N): " confirm
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if [[ "$confirm" == "y" || "$confirm" == "Y" ]]; then
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docker image prune -f
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echo -e "${GREEN}清理完成${NC}"
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fi
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else
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echo -e "${GREEN}系统很干净，没有悬空镜像。${NC}"
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fi
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read -p "按回车键继续..."
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}
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# 镜像管理菜单
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image_management() {
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while true; do
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clear
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echo -e "${PURPLE}========================================${NC}"
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echo -e "${PURPLE} Docker 镜像管理${NC}"
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echo -e "${PURPLE}========================================${NC}"
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show_images
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echo -e "${PURPLE}操作选项:${NC}"
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echo "1. 删除镜像 (例如: 1 或 1,2,3)"
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echo "2. 清空所有镜像 (慎用)"
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echo "3. 清理悬空镜像 (<none>)"
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echo "4. 返回主菜单"
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echo
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read -p "请选择: " choice
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case $choice in
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1)
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read -p "请输入镜像编号: " input
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batch_delete_images "$input" "n"
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read -p "按回车键继续..."
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;;
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2)
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read -p "警告：确定删除所有镜像吗？(yes/N): " confirm
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if [ "$confirm" == "yes" ]; then
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docker rmi -f $(docker images -q) 2>/dev/null
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echo -e "${GREEN}已清空所有镜像${NC}"
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fi
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read -p "按回车键继续..."
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;;
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3) clean_dangling_images ;;
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4) return ;;
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*) echo -e "${RED}无效输入${NC}"; sleep 1 ;;
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esac
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done
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}
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# 主菜单
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main_menu() {
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while true; do
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clear
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echo -e "${BLUE}========================================${NC}"
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echo -e "${BLUE} Docker 容器可视化管理 v2.0${NC}"
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echo -e "${BLUE}========================================${NC}"
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show_containers
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echo -e "${BLUE}容器操作:${NC} ${CYAN}高级功能:${NC}"
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printf "%-35s %-35s\n" "1. 启动容器" "7. 进入容器终端 (Exec)"
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printf "%-35s %-35s\n" "2. 停止容器" "8. 实时资源监控 (Stats)"
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printf "%-35s %-35s\n" "3. 重启容器" "9. 镜像管理菜单"
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printf "%-35s\n" "4. 查看日志"
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echo
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echo -e "${RED}危险操作:${NC}"
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echo "5. 删除容器 (例如: 1 或 1,2,3)"
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echo "6. 清理所有已停止容器"
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echo "0. 退出"
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echo
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read -p "请选择操作 [0-9]: " choice
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# 处理需要选择容器的操作
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if [[ "1 2 3 4 7" =~ "$choice" ]]; then
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read -p "请输入容器编号: " num
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if [[ ! "$num" =~ ^[0-9]+$ ]]; then
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echo -e "${RED}请输入有效数字${NC}"; sleep 1; continue
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fi
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name=$(get_name_by_index $num "container")
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if [ -z "$name" ]; then
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echo -e "${RED}编号不存在${NC}"; sleep 1; continue
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fi
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case $choice in
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1) docker start "$name" && echo -e "${GREEN}已启动 $name${NC}" ;;
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2) docker stop "$name" && echo -e "${GREEN}已停止 $name${NC}" ;;
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3) docker restart "$name" && echo -e "${GREEN}已重启 $name${NC}" ;;
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4) docker logs -f --tail 100 "$name" ;;
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7) enter_container "$name" ;;
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esac
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[ "$choice" != "7" ] && [ "$choice" != "4" ] && sleep 1
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continue
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fi
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# 处理其他操作
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case $choice in
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5)
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read -p "请输入要删除的容器编号 (支持批量): " nums
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batch_delete_containers "$nums" "n"
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read -p "按回车键继续..."
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;;
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6)
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read -p "确认清理所有已停止的容器？(y/N): " c
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if [[ "$c" == "y" || "$c" == "Y" ]]; then
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docker container prune -f
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echo -e "${GREEN}清理完成${NC}"
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fi
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sleep 1
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;;
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8)
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echo -e "${CYAN}正在打开资源监控 (按 Ctrl+C 退出)...${NC}"
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docker stats
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;;
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9) image_management ;;
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0) echo -e "${GREEN}再见!${NC}"; exit 0 ;;
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*) echo -e "${RED}无效选择${NC}"; sleep 1 ;;
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esac
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done
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}
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# 启动
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check_docker
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main_menu |