171 lines
6.5 KiB
Markdown
171 lines
6.5 KiB
Markdown
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# Jenkinsfile 单体部署 nl-server 实现计划
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> **面向 AI 代理的工作者:** 必需子技能:使用 superpowers:subagent-driven-development(推荐)或 superpowers:executing-plans 逐任务实现此计划。步骤使用复选框(`- [ ]`)语法来跟踪进度。
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**目标:** 在仓库根目录新增 `Jenkinsfile`,以 Docker 容器形式在 Jenkins 构建机本机部署 `nl-server` 单体。
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**架构:** 声明式 Pipeline:参数化(PROFILE/NACOS_ADDR/NACOS_NAMESPACE/JAVA_OPTS)→ Checkout → `mvn package -pl nl-server -am -DskipTests` → 复用 `nl-server/Dockerfile` 构建镜像(BUILD_NUMBER + latest 双 tag)→ 停删旧容器后 host 网络 `docker run` → curl 循环健康检查;post 清理悬空镜像。
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**技术栈:** Jenkins 声明式 Pipeline(Groovy)/ Maven / Docker(Linux 构建机)
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**规格:** `docs/superpowers/specs/2026-07-16-jenkinsfile-monolith-deploy-design.md`
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---
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## 文件结构
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| 文件 | 操作 | 职责 |
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|---|---|---|
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| `Jenkinsfile`(仓库根目录) | 创建 | 单体部署流水线全部逻辑 |
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---
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### 任务 1:创建根目录 `Jenkinsfile`
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**文件:**
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- 创建:`Jenkinsfile`
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- [ ] **步骤 1:创建文件,内容如下**
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```groovy
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// nl-server 单体部署流水线(构建机 = 运行机,Linux + JDK17+ + Maven + Docker)
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pipeline {
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agent any
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parameters {
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choice(name: 'PROFILE', choices: ['test', 'dev', 'prod'], description: '运行环境(注入 SPRING_PROFILES_ACTIVE)')
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string(name: 'NACOS_ADDR', defaultValue: '127.0.0.1:8848', description: 'Nacos 配置/注册中心地址')
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string(name: 'NACOS_NAMESPACE', defaultValue: '', description: 'Nacos 命名空间(public 留空)')
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string(name: 'JAVA_OPTS', defaultValue: '-Xms512m -Xmx512m -Djava.security.egd=file:/dev/./urandom', description: 'JVM 启动参数')
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}
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environment {
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IMAGE_NAME = 'nl-server'
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CONTAINER_NAME = 'nl-server'
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APP_PORT = '48080'
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}
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stages {
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stage('Checkout') {
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steps {
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checkout scm
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}
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}
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stage('Maven Build') {
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steps {
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// 只构建 nl-server 及其依赖模块,跳过测试
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sh 'mvn clean package -pl nl-server -am -DskipTests'
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}
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}
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stage('Docker Build') {
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steps {
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// 构建上下文为 nl-server 目录,复用其现有 Dockerfile
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sh "docker build -t ${IMAGE_NAME}:${BUILD_NUMBER} -t ${IMAGE_NAME}:latest nl-server/"
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}
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}
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stage('Deploy') {
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steps {
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// 停删旧容器(首次部署无旧容器,容错处理),host 网络启动新容器
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sh """
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docker stop ${CONTAINER_NAME} || true
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docker rm ${CONTAINER_NAME} || true
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docker run -d --name ${CONTAINER_NAME} \\
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--restart always \\
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--network host \\
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-v /docker/nl-cloud/logs:/root/logs/ \\
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-e TZ=Asia/Shanghai \\
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-e SPRING_PROFILES_ACTIVE=${params.PROFILE} \\
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-e SPRING_CLOUD_NACOS_CONFIG_SERVER_ADDR=${params.NACOS_ADDR} \\
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-e SPRING_CLOUD_NACOS_SERVER_ADDR=${params.NACOS_ADDR} \\
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-e SPRING_CLOUD_NACOS_CONFIG_NAMESPACE=${params.NACOS_NAMESPACE} \\
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-e SPRING_CLOUD_NACOS_DISCOVERY_NAMESPACE=${params.NACOS_NAMESPACE} \\
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-e "JAVA_OPTS=${params.JAVA_OPTS}" \\
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${IMAGE_NAME}:${BUILD_NUMBER}
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"""
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}
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}
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stage('Health Check') {
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steps {
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// 最多等待 24 次 x 5s ≈ 120s,收到任意 HTTP 响应(含 404)即视为启动成功
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sh """
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echo "等待 nl-server 启动..."
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for i in \$(seq 1 24); do
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if curl -s -o /dev/null http://127.0.0.1:${APP_PORT}; then
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echo "nl-server 启动成功"
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exit 0
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fi
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sleep 5
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done
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echo "健康检查超时,输出容器日志:"
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docker logs --tail 200 ${CONTAINER_NAME}
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exit 1
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"""
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}
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}
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}
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post {
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success {
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echo "部署成功:${IMAGE_NAME}:${BUILD_NUMBER},服务端口 ${APP_PORT}(历史镜像 tag 保留,可用于手动回滚)"
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}
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failure {
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echo '部署失败,请检查上方日志'
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}
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always {
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// 仅清理悬空镜像,保留历史 BUILD_NUMBER tag
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sh 'docker image prune -f || true'
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}
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}
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}
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```
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---
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### 任务 2:静态验证
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本地无 Jenkins/Groovy 环境,做结构性静态检查:
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- [ ] **步骤 1:花括号配对计数**
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运行(仓库根目录):
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```bash
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grep -o '{' Jenkinsfile | wc -l && grep -o '}' Jenkinsfile | wc -l
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```
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预期:两个数字相等(60 上下,以实际为准)。
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- [ ] **步骤 2:结构核对清单(人工比对文件内容)**
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- [ ] `pipeline { agent any; parameters; environment; stages; post }` 五段齐全
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- [ ] 4 个参数名与规格一致:PROFILE / NACOS_ADDR / NACOS_NAMESPACE / JAVA_OPTS
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- [ ] 5 个 stage:Checkout / Maven Build / Docker Build / Deploy / Health Check
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- [ ] Deploy 中 6 个 `-e` 环境变量 + TZ + 日志卷挂载 + `--network host` + `--restart always`
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- [ ] shell 中 `$(seq ...)` 已转义为 `\$(seq ...)`(避免被 Groovy 插值)
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- [ ] `JAVA_OPTS` 注入带引号(值含空格)
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---
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### 任务 3:统一提交(可选,需用户同意)
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- [ ] **步骤 1:确认用户同意后提交**
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```bash
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git add Jenkinsfile \
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docs/superpowers/specs/2026-07-16-jenkinsfile-monolith-deploy-design.md \
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docs/superpowers/plans/2026-07-16-jenkinsfile-monolith-deploy.md
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git commit -m "build:新增 Jenkinsfile 单体部署 nl-server"
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```
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---
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## 风险与注意事项
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1. **构建机前提**:Linux、JDK 17+、Maven、Docker、curl 已装且 Jenkins 用户有 docker 权限(在 docker 用户组)。
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2. **真实验证需在 Jenkins 执行**:建 Pipeline 任务指向本仓库运行;首次运行参数页尚未生成,会用默认参数跑一次。
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3. **Nacos 前置**:nl-server 为 Spring Cloud 应用,启动依赖 Nacos 可达;若 Nacos 未就绪,健康检查会超时失败并打印容器日志。
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