95 lines
2.5 KiB
Bash
95 lines
2.5 KiB
Bash
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#!/bin/bash
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# 版本号文件
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VERSION_FILE=".version"
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# 默认镜像名称（与build-docker.sh保持一致）
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DEFAULT_IMAGE_NAME="crawler_zgjs"
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# 显示帮助信息
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show_help() {
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echo "使用方法: $0 [选项]"
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echo
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echo "选项:"
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echo " -h, --help 显示帮助信息"
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echo " -v, --version 指定版本号（可选，默认使用.version文件中的版本）"
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echo " -n, --name 指定镜像名称（可选，默认为 $DEFAULT_IMAGE_NAME）"
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echo " -o, --output 指定输出文件路径（可选，默认为 {镜像名称}-{版本号}.tar）"
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echo
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echo "示例:"
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echo " $0 # 使用默认设置导出镜像"
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echo " $0 -v 1.0 # 导出指定版本的镜像"
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echo " $0 -n custom_name -v 2.0 # 导出指定名称和版本的镜像"
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echo " $0 -o /path/to/image.tar # 指定输出文件路径"
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}
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# 解析命令行参数
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VERSION=""
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IMAGE_NAME="$DEFAULT_IMAGE_NAME"
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OUTPUT_FILE=""
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while [[ $# -gt 0 ]]; do
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case $1 in
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-h|--help)
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show_help
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exit 0
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;;
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-v|--version)
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VERSION="$2"
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shift 2
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;;
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-n|--name)
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IMAGE_NAME="$2"
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shift 2
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;;
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-o|--output)
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OUTPUT_FILE="$2"
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shift 2
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;;
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*)
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echo "❌ 错误: 未知参数 $1"
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show_help
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exit 1
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;;
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esac
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done
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# 如果未指定版本，从文件读取
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if [ -z "$VERSION" ]; then
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if [ -f "$VERSION_FILE" ] && [ -s "$VERSION_FILE" ]; then
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VERSION=$(cat "$VERSION_FILE")
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else
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echo "❌ 错误: 未指定版本且无法从 $VERSION_FILE 读取版本号"
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exit 1
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fi
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fi
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# 构建完整的镜像标签
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TAG="$IMAGE_NAME:$VERSION"
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# 如果未指定输出文件，使用默认命名
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if [ -z "$OUTPUT_FILE" ]; then
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OUTPUT_FILE="${IMAGE_NAME}-${VERSION}.tar"
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fi
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# 检查镜像是否存在
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if ! docker image inspect "$TAG" >/dev/null 2>&1; then
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echo "❌ 错误: 镜像 $TAG 不存在"
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echo "提示: 请先使用 build-docker.sh 构建镜像"
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exit 1
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fi
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echo "🚀 开始导出Docker镜像..."
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echo "📦 镜像: $TAG"
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echo "📄 输出: $OUTPUT_FILE"
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# 导出镜像
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if docker save -o "$OUTPUT_FILE" "$TAG"; then
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echo "✅ 导出成功!"
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echo "📁 文件大小: $(du -h "$OUTPUT_FILE" | cut -f1)"
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else
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echo "❌ 导出失败!"
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# 如果导出失败，清理可能部分写入的文件
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[ -f "$OUTPUT_FILE" ] && rm "$OUTPUT_FILE"
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exit 1
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fi
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