Kubernetes微服务自动化发布系统

<plugin>
    <groupId>com.spotifygroupId>
    <artifactId>dockerfile-maven-pluginartifactId>
    <version>1.4.13version>
    <executions>
        <execution>
            <id>build-imageid>
            <phase>packagephase>
            <goals>
                <goal>buildgoal>
            goals>
        execution>
    executions>
    <configuration>
        
        <dockerfile>docker/Dockerfiledockerfile>
        
        <repository>${docker.repository}/springcloud-action/${app.name}repository>
        <buildArgs>
            
            <JAR_FILE>target/${project.build.finalName}.jarJAR_FILE>
        buildArgs>
    configuration>
plugin>

FROM openjdk:8u191-jre-alpine3.9
ENTRYPOINT ["/usr/bin/java", "-jar", "/app.jar"]
ARG JAR_FILE
ADD ${JAR_FILE} /app.jar
EXPOSE 8080

#环境参数信息
variables:
  #Docker镜像仓库地址&账号密码信息
  DOCKER_REPO_URL: "10.211.55.11:8088"
  DOCKER_REPO_USERNAME: admin
  DOCKER_REPO_PASSWORD: Harbor12345
  #Kubernetes相关信息配置(空间与服务端口)
  K8S_NAMESPACE: "wudimanong"
  PORT: "8080"

#定义CI/CD阶段
stages:
  - test
  - build
  - push
  - deploy

#执行单元测试阶段
maven-test:
  stage: test
  script:
    - mvn clean test

#代码编译打包镜像阶段
maven-build:
  stage: build
  script:
    - mvn clean package -DskipTests

#将打包的Docker镜像上传至私有镜像仓库
docker-push:
  stage: push
  script:
    #对打包的镜像进行tag
    - docker tag $DOCKER_REPO_URL/$CI_PROJECT_PATH $DOCKER_REPO_URL/$CI_PROJECT_PATH/$CI_BUILD_REF_NAME:${CI_COMMIT_SHA:0:8}
    #登录私有镜像仓库
    - docker login $DOCKER_REPO_URL -u $DOCKER_REPO_USERNAME -p $DOCKER_REPO_PASSWORD
    #上传应用镜像至镜像仓库
    - docker push $DOCKER_REPO_URL/$CI_PROJECT_PATH/$CI_BUILD_REF_NAME:${CI_COMMIT_SHA:0:8}
    - docker rmi $DOCKER_REPO_URL/$CI_PROJECT_PATH/$CI_BUILD_REF_NAME:${CI_COMMIT_SHA:0:8}
    - docker rmi $DOCKER_REPO_URL/$CI_PROJECT_PATH

#将应用发布至Kubernetes测试集群（这里指定为手动确认方式）
deploy-test:
  stage: deploy
  when: manual
  script:
    - kubectl config use-context kubernetes-admin@kubernetes
    - sed -e  "s/__REPLICAS__/1/; s/__PORT__/$PORT/; s/__APP_NAME__/$CI_PROJECT_NAME/; s/__PROFILE__/test/;  s/__IMAGE__/$DOCKER_REPO_URL\/${CI_PROJECT_PATH//\//\\/}\/${CI_BUILD_REF_NAME//\//\\/}:${CI_COMMIT_SHA:0:8}/" kubernetes/deploy.yaml | kubectl -n ${K8S_NAMESPACE}  apply -f  -

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: __APP_NAME__
spec:
  replicas: __REPLICAS__
  selector:
    matchLabels:
      app: __APP_NAME__
  strategy:
    type: RollingUpdate
  template:
    metadata:
      labels:
        app: __APP_NAME__
    spec:
      imagePullSecrets:
        - name: wudimanong-ecr
      containers:
        - name: __APP_NAME__
          image: __IMAGE__
          resources:
            requests:
              memory: "1000M"
            limits:
              memory: "1000M"
          volumeMounts:
            - name: time-zone
              mountPath: /etc/localtime
            - name: java-logs
              mountPath: /opt/logs
          ports:
            - containerPort: __PORT__
          env:
            - name: SPRING_PROFILES_ACTIVE
              value: __PROFILE__
            - name: JAVA_OPTS
              value: -Xms1G -Xmx1G -Dapp.home=/opt/
      volumes:
        - name: time-zone
          hostPath:
            path: /etc/localtime
        - name: java-logs
          hostPath:
            path: /data/app/deployment/logs