174 lines
5.5 KiB
Bash
Executable File
174 lines
5.5 KiB
Bash
Executable File
#!/bin/bash
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# Ver: 1.0 by Endial Fang (endial@126.com)
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#
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# Docker 镜像构建脚本 (仅linux/amd64)
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# 编译后镜像名称
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IMAGE_NAME="alpine"
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# 依赖镜像的仓库地址(本镜像需要依赖原生 alpine 镜像)
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REGISTRY_URL="swr.cn-north-4.myhuaweicloud.com/img-sync/docker.io/"
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# 源仓库地址(本地编译时,使用阿里云源仓库)
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APT_SOURCE="aliyun"
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# 获取发布版本标签
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get_release_tag() {
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if ! git rev-parse --git-dir >/dev/null 2>&1; then
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echo "unknown"
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elif [ -n "$(git status --porcelain)" ]; then
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echo "latest"
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else
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# 尝试获取最近的git标签
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local tag=$(git describe --tags --abbrev=0 2>/dev/null)
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if [ -n "$tag" ]; then
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echo "$tag"
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else
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local branch=$(git rev-parse --abbrev-ref HEAD)
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case "$branch" in
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master|main) echo "latest" ;;
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*) echo "$branch" ;;
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esac
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fi
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fi
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}
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# 获取镜像完整TAG
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get_image_tag() {
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local CURRENT_SUBVERSION
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if git rev-parse --git-dir >/dev/null 2>&1; then
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if [ -z "$(git status --porcelain)" ]; then
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CURRENT_SUBVERSION=$(git rev-parse --short=12 HEAD)
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else
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CURRENT_SUBVERSION=$(date +%Y%m%d-%H%M%S)
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fi
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local branch=$(git rev-parse --abbrev-ref HEAD)
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branch=$(echo "$branch" | sed -e 's/master/latest/' -e 's/main/latest/')
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echo "${branch}-${CURRENT_SUBVERSION}"
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else
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CURRENT_SUBVERSION=$(date +%Y%m%d-%H%M%S)
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echo "latest-${CURRENT_SUBVERSION}"
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fi
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}
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# 根据当前系统架构构建镜像
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build() {
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local TAG=${1:-$(get_image_tag)}
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local APP_VER="latest"
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# 获取当前系统的架构
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local ARCH=$(uname -m)
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local PLATFORM=""
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case "$ARCH" in
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x86_64)
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PLATFORM="linux/amd64"
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;;
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aarch64|arm64)
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PLATFORM="linux/arm64"
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;;
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armv7l)
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PLATFORM="linux/arm/v7"
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;;
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*)
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PLATFORM="linux/amd64" # 默认为 amd64
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;;
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esac
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# 如果在命令中指定了TAG,则使用相同的TAG作为APP_VER
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if [ -n "$1" ]; then
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APP_VER="$1"
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else
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# 获取当前分支名并判断是否为主分支
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local branch=$(git rev-parse --abbrev-ref HEAD 2>/dev/null)
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if [ "$branch" != "master" ] && [ "$branch" != "main" ]; then
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# 如果不是主分支,则使用分支名或标签名
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local tag=$(git describe --tags --abbrev=0 2>/dev/null)
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if [ -n "$tag" ] && [ "$(git rev-list -n 1 $tag 2>/dev/null)" = "$(git rev-parse HEAD)" ]; then
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# 如果当前提交正好是标签,则使用标签名
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APP_VER="$tag"
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else
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# 否则使用分支名
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APP_VER="$branch"
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fi
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fi
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fi
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# 去除APP_VER中的v前缀,仅保留数字分段部分
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APP_VER=$(echo "$APP_VER" | sed 's/^v//')
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echo "Building image ${IMAGE_NAME}:${TAG} (${PLATFORM}) with APP_VER=${APP_VER}"
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podman build --platform ${PLATFORM} \
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--progress plain --force-rm \
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--build-arg REGISTRY_URL=${REGISTRY_URL} \
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--build-arg APT_SOURCE=${APT_SOURCE} \
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--build-arg APP_VER=${APP_VER} \
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-t ${IMAGE_NAME}:${TAG} \
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-t ${IMAGE_NAME}:latest \
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.
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echo "Build complete"
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}
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# 清理工作空间
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clean() {
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echo "Cleaning workspace..."
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# 删除所有与 IMAGE_NAME 相关的镜像标签(包括带 localhost 前缀的)
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podman images --format "{{.Repository}}:{{.Tag}}" | grep -E "^(${IMAGE_NAME}|localhost/${IMAGE_NAME}):" | xargs -r podman rmi -f
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# 删除所有已退出的容器
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podman ps -a --format "{{.ID}}" --filter status=exited | xargs -r podman rm
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# 删除所有悬空镜像(dangling images)
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podman images --filter "dangling=true" -q | xargs -r podman rmi -f
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# 清理构建缓存
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podman system prune -f
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}
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# 显示使用帮助信息
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show_help() {
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cat << EOF
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Usage: $0 [COMMAND] [TAG]
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Docker 镜像构建和清理脚本
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COMMANDS:
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build [tag] 构建镜像,可选择性指定标签,如未指定则自动生成
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clean 清理工作空间,删除相关镜像和无用容器
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help 显示此帮助信息
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EXAMPLES:
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$0 build # 构建镜像,使用自动生成的标签
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$0 build mytag # 构建镜像,使用指定标签
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$0 clean # 清理工作空间
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$0 help # 显示帮助信息
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DESCRIPTION:
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该脚本用于构建 alpine 镜像,支持自动生成标签,包含清理功能。
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构建的镜像名称为 ${IMAGE_NAME},默认会同时生成 latest 标签。
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脚本会根据当前系统架构自动构建对应架构的镜像,并设置 APP_VER 参数(自动去除v前缀):
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- 根据当前系统架构自动选择平台(linux/amd64, linux/arm64, linux/arm/v7 等)
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- 当在命令中指定TAG时,APP_VER使用相同的TAG值(去除v前缀)
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- 主分支(master/main)时使用 latest
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- 其他分支时使用分支名
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- 标签提交时使用标签名(去除v前缀)
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EOF
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}
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# 主函数
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main() {
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case "$1" in
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build) build "$2" ;; # 传递第二个参数作为标签
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clean) clean ;;
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help|-h|--help) show_help ;;
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*)
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if [ -z "$1" ]; then
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show_help
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else
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echo "Error: Unknown command '$1'"
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echo ""
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show_help
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exit 1
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fi
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;;
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esac
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}
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main "$@"
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