CloudNative: drone

环境说明
gogs安装
drone安装
- drone server
- drone docker runner
常用drone pipeline
- 使用docker插件构建
- 使用buildx构建多架构镜像(需要docker服务端安装buildx环境)

环境说明

服务器ip: 192.168.2.84
docker版本: 19.03

gogs安装

docker run -d --name=gogs -p 10022:22 -p 10080:3000 -v /opt/gogs:/data gogs/gogs:latest

访问ui进行服务初始化，为了简单，使用sqlte3数据库

drone安装

drone server

docker run \
  --volume=/usr/share/zoneinfo:/usr/share/zoneinfo:ro \
  --volume=/etc/localtime:/etc/localtime:ro \
  --volume=/opt/drone:/data \
  --env=DRONE_AGENTS_ENABLED=true \
  --env=DRONE_GOGS_SERVER=http://192.168.2.84:10080 \
  --env=DRONE_GOGS_SKIP_VERIFY=true \
  --env=DRONE_RPC_SECRET=secret123456 \
  --env=DRONE_SERVER_HOST=192.168.2.84:8080 \
  --env=DRONE_SERVER_PROTO=http \
  --env=DRONE_LOGS_TRACE=true \
  --env=DRONE_USER_CREATE=username:Admin,admin:true，token:55f24eb3d61ef6ac5e83d550178638dc \
  --publish=8080:80 \
  --publish=20443:443 \
  --restart=always \
  --detach=true \
  --name=drone \
  drone/drone:1

drone docker runner

docker run -d \
  --volume=/usr/share/zoneinfo:/usr/share/zoneinfo:ro \
  --volume=/etc/localtime:/etc/localtime:ro \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -e DRONE_RPC_PROTO=http \
  -e DRONE_RPC_HOST=192.168.2.84:8080 \
  -e DRONE_RPC_SECRET=secret123456 \
  -e DRONE_RUNNER_CAPACITY=2 \
  -e DRONE_LOGS_TRACE=true \
  -e DRONE_RUNNER_NAME=runner \
  -p 3000:3000 \
  --restart always \
  --name runner \
  drone/drone-runner-docker:1

可以使用192.168.2.84:8080访问drone的ui，使用gogs的账号登录，drone的admin账号无法登录界面，使用token进行命令行操作

常用drone pipeline

使用docker插件构建

kind: pipeline
type: docker
name: push-build

clone:
  depth: 10

steps:
  - name: build-apiserver
    image: plugins/docker
    pull: if-not-exists
    settings:
      repo: caas4/dev-platform-apiserver
      username:
        from_secret: DOCKER_USERNAME
      password:
        from_secret: DOCKER_PASSWORD
      dockerfile: Dockerfile
      auto_tag: true
      build_args:
        - REPO_URL=${DRONE_REPO}
        - BRANCH=${DRONE_BRANCH}
        - COMMIT_REF=${DRONE_COMMIT_SHA}
        - VERSION=${DRONE_COMMIT_SHA:0:8}-${DRONE_BUILD_CREATED}
        - HTTP_PROXY=http://172.20.139.209:8118

  - name: email-notify
    image: drillster/drone-email
    pull: if-not-exists
    settings:
      host: xxx.xxx.xxx.com
      port: 465
      username:
        from_secret: EMAIL_USER
      password:
        from_secret: EMAIL_PASSWORD
      from:
        from_secret: EMAIL_USER
      recipients: [[email protected]]
      recipients_only: true
      skip_verify: true
    when:
      status: [ success, failure ]
trigger:
  event:
    - push

---
kind: pipeline
type: docker
name: nightly-update-dev

clone:
  depth: 10

steps:
  - name: update-deploy
    image: bitnami/kubectl:latest
    pull: if-not-exists
    user: root
    environment:
      KUBE_CONFIG:
        from_secret: devenv-kubeconfig #将kubeconf文件base64编码，注意换行，需要使用base64 -w0 禁用换行
      NAMESPACE: devel
    commands:
      - mkdir /.kube && echo -n $KUBE_CONFIG | base64 -d > /.kube/config
      - kubectl set env deployment/middle-platform-auth-deployment DRONE_REVISION=${DRONE_BUILD_NUMBER} -n $NAMESPACE
      - kubectl set env deployment/middle-platform-account-deployment DRONE_REVISION=${DRONE_BUILD_NUMBER} -n $NAMESPACE
      - kubectl set env deployment/middle-platform-gw-deployment DRONE_REVISION=${DRONE_BUILD_NUMBER} -n $NAMESPACE
    when:
      branch:
        - master
  - name: email-notify
    image: drillster/drone-email
    pull: if-not-exists
    settings:
      host: xxx.xxx.xxx.com
      port: 465
      username:
        from_secret: EMAIL_USER
      password:
        from_secret: EMAIL_PASSWORD
      from:
        from_secret: EMAIL_USER
      recipients: [[email protected]]
      recipients_only: true
      skip_verify: true
    when:
      status: [ success, failure ]
trigger:
  event:
    - cron
    - promote
    - rollback
  cron:
    - devel-daily-update #用命令行或ui上为改仓库创建的cron的名字

使用buildx构建多架构镜像(需要docker服务端安装buildx环境)

kind: pipeline
type: docker
name: push-build

clone:
  depth: 10

steps:
  - name: build-image
    image: hanamichi/docker:19.03-buildx
    pull: if-not-exists
    environment:
      DOCKER_USER:
        from_secret: DOCKER_USERNAME
      DOCKER_PASS:
        from_secret: DOCKER_PASSWORD
      GOPROXY: https://goproxy.cn,direct
      DOCKER_ORG: hanamichi
      DOCKER_TAG: latest
    volumes:
      - name: sock
        path: /var/run/docker.sock
    commands:
      - docker buildx create --use --name mybuilder
      - docker buildx inspect mybuilder --bootstrap
      - echo -n $DOCKER_PASS | docker login --username $DOCKER_USER --password-stdin
      - >-
        docker buildx build -f build/account/Dockerfile --build-arg BRANCH=${DRONE_BRANCH}
        --build-arg REPO_URL=${DRONE_REPO} --build-arg COMMIT_REF=${DRONE_COMMIT_SHA}
        --build-arg VERSION=${DRONE_COMMIT_SHA:0:8}-${DRONE_BUILD_CREATED} --build-arg GOPROXY=$GOPROXY
        -t $DOCKER_ORG/middle-platform-account:$DOCKER_TAG --platform=linux/arm64,linux/amd64 . --push
      - docker logout
      - docker buildx stop mybuilder && docker buildx rm mybuilder

volumes:
  - name: sock
    host:
      path: /var/run/docker.sock

trigger:
  event:
    - push

上传镜像到私有镜像仓库

docker buildx 上传镜像到私有镜像仓库，通过改 host 以及加证书没有效果。是因为 docker buildx 使用 dns 来解析。

要使用 docker buildx 上传到私有镜像仓库，需要在宿主机搭建一个本地 dns，更改 /etc/resolv.conf

使用 drone exec runner

samples

环境说明:

私有 harbor，域名为 caas.registry.com，使用自签 tls 证书
centos内核: 5.4.118-1.el7.elrepo.x86_64, 本机 ip: 10.0.0.13
已安装 docker buildx
harbor 证书已放置在 /etc/docker/certs.d/目录中

步骤如下:

以 systemd 方式安装 coredns, cordons 配置文件如下:

.:53 {
  # 绑定interface ip
  bind 10.0.0.13
  # 先走本机的hosts
  # https://coredns.io/plugins/hosts/
  hosts {
    # 自定义sms.service search.service 的解析
    # 因为解析的域名少我们这里直接用hosts插件即可完成需求
    # 如果有大量自定义域名解析那么建议用file插件使用 符合RFC 1035规范的DNS解析配置文件
    172.16.29.140 caas.registry.com
    # ttl
    ttl 60
    # 重载hosts配置
    reload 1m
    # 继续执行
    fallthrough
  }
  # file enables serving zone data from an RFC 1035-style master file.
  # https://coredns.io/plugins/file/
  # file service.signed service
  # 最后所有的都转发到系统配置的上游dns服务器去解析
  forward . /etc/resolv.conf
  # 缓存时间ttl
  cache 120
  # 自动加载配置文件的间隔时间
  reload 6s
  # 输出日志
  log
  # 输出错误
  errors
}

将 nameserver 10.0.0.13 本机 ip 写入 /etc/resolv.conf 的第一行，ping harbor 地址查看是否正常
测试登录harbor，拉取镜像正常
参考 drone exec runner 安装部署 drone exec runner
创建 cicd buildx instance
1. docker buildx create --driver-opt network=host --global --use --name cicd-global
2. docker buildx use --global cicd
3. 进入 buildx cicd 的实例容器， docker exec -it buildx_buildkit_cicd0 sh，将 harbor 的 ca 证书加入到 /etc/ssl/certs/ca-certificates.crt 末尾
4. 验证在本机执行 buildx 构建上传到 harbor 仓库

drone.yml 例子

kind: pipeline
type: exec
name: push-build

clone:
  depth: 10

platform:
  os: linux
  arch: amd64

steps:
  - name: build-image
    environment:
      DOCKER_USER:
        from_secret: DOCKER_USERNAME
      DOCKER_PASS:
        from_secret: DOCKER_PASSWORD
      DOCKER_REGISTRY: caas.registry.com
      DOCKER_ORG: library
      DOCKER_TAG: v0.0.1
    commands:
      - env
      - mkdir -pv $HOMEPATH/.docker/buildx/instances
      - cp /root/.docker/buildx/instances/cicd $HOMEPATH/.docker/buildx/instances/cicd
      - docker buildx ls
      - docker buildx use cicd
      - echo -n $DOCKER_PASS | docker login $DOCKER_REGISTRY --username $DOCKER_USER --password-stdin
      - docker buildx build -f Dockerfile --build-arg VERSION=${DRONE_COMMIT_SHA} --tag $DOCKER_REGISTRY/$DOCKER_ORG/coredns:$DOCKER_TAG --tag $DOCKER_REGISTRY/$DOCKER_ORG/coredns:$DOCKER_TAG-${DRONE_COMMIT_SHA:0:6} --platform=linux/arm64,linux/amd64 . --push
    when:
      branch:
        - master
  - name: clean
    environment:
      DOCKER_REGISTRY: caas.registry.com
    commands:
      - docker logout $DOCKER_REGISTRY || true
    when:
      status:
        - success
        - failure
trigger:
  event:
    - push

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