Gitlab-CI 结合 kubernetes 编译部署 .gitlab-ci.yml 文件示例

# This file is a template, and might need editing before it works on your project.
image: git.huoys.com:9999/docker-image/golang

variables:
  CI_REPOSITORY_NAME: git.huoys.com/${CI_PROJECT_PATH}
  
  CI_DOCKER_ROOTDIR: "build"
  
stages:
    - build
    - update
    - deploy

.env_init: &env_init |
  KUBECONFIG="/etc/kubernetes/dev.conf"

  DOCKER_IMAGE="${CI_REGISTRY_IMAGE}"
  DOCKER_IMAGE_TAG="alpha-${CI_PIPELINE_IID}"

  # Fix tag
  if [[ -n "${CI_COMMIT_TAG}" ]]; then
    KUBECONFIG="/etc/kubernetes/online.conf"

    DOCKER_IMAGE="ssoor/${CI_PROJECT_NAME}"
    DOCKER_IMAGE_TAG="${CI_COMMIT_TAG}"
  fi

  # Fix master
  if [[ "${CI_COMMIT_REF_NAME}" == "master" ]]; then
    KUBECONFIG="/etc/kubernetes/test.conf"

    DOCKER_IMAGE="ssoor/${CI_PROJECT_NAME}"
    DOCKER_IMAGE_TAG="bata-${CI_PIPELINE_IID}"
  fi

project_check:
  stage: build
  script:
    - setup_golang
    - go fmt $(go list ./... | grep -v /vendor/)
    - go vet $(go list ./... | grep -v /vendor/)
    - go test -race $(go list ./... | grep -v /vendor/)
  only:
    - tags
    - branches

project_compile:
  stage: build
  script:
    - setup_golang
    - mkdir -p ${CI_DOCKER_ROOTDIR}
    - cp -rf conf ${CI_DOCKER_ROOTDIR}
    - CGO_ENABLED=0 go build -ldflags '-extldflags "-static"' -ldflags '-X main.Build=${DOCKER_IMAGE_TAG}' -o ${CI_DOCKER_ROOTDIR}/${CI_PROJECT_NAME}
  artifacts:
    paths:
      - ${CI_DOCKER_ROOTDIR}/
  only:
    - tags
    - test
    - master

update_image:
  tags:
    - docker
  stage: update
  image: git.huoys.com:9999/docker-image/docker-stable
  variables:
    GIT_STRATEGY: none
    DOCKER_HOST: tcp://172.13.0.52:2375
    DOCKER_DRIVER: overlay2
  script:
    # 生成服务定义
    - SRV_IMAGE='alpine'
    - SRV_WORKDIR="/${CI_PROJECT_NAME}"

    # 安装 timezone 数据包
    - BUILD_IMAGE_SCRIPT='apk add --no-cache tzdata'
      
    # 生成镜像
    - docker_build ${DOCKER_IMAGE}:${DOCKER_IMAGE_TAG} "./${CI_PROJECT_NAME}"
    - docker_build ${DOCKER_IMAGE}:latest "./${CI_PROJECT_NAME}"
    
  dependencies:
    - project_compile
  only:
    - tags
    - test
    - master

deploy_k8s:
  tags:
    - kubectl
  stage: deploy
  variables:
    GIT_STRATEGY: fetch
  script:
    # 获取命名空间
    - KUBE_NAMESPACE=`kubectl -n istio-system get configmap ci-deploy -o template --template={{.data.namespace}}` && echo "Use namespace ${KUBE_NAMESPACE}"
    
    # 更新镜像
    - helm template .helm/hallgo --name=hall-go --set image.repository="${DOCKER_IMAGE}:${DOCKER_IMAGE_TAG}" | kubectl -n ${KUBE_NAMESPACE} apply -f -
    - helm template .helm/publisher --name=publisher --set image.repository="${DOCKER_IMAGE}:${DOCKER_IMAGE_TAG}" | kubectl -n ${KUBE_NAMESPACE} apply -f -

    # 更新时区
    - kubectl -n ${KUBE_NAMESPACE} set env deployment/hall-go TZ="Asia/Bangkok" 
    - kubectl -n ${KUBE_NAMESPACE} set env deployment/publisher TZ="Asia/Bangkok" 
  only:
    - test
    - tags
    - master
  environment:
    name: $CI_COMMIT_REF_NAME$CI_COMMIT_TAG

# --------------------------------------------------------------------------

.golang_init: &golang_init | 
  function setup_golang() {
    mkdir -p $GOPATH/src/$(dirname $CI_REPOSITORY_NAME)
    ln -svf $CI_PROJECT_DIR $GOPATH/src/$CI_REPOSITORY_NAME
    cd $GOPATH/src/$CI_REPOSITORY_NAME
  }

.docker_init: &docker_init | 
  function docker_setup() {
    if ! docker info &>/dev/null; then
      if [ -z "$DOCKER_HOST" -a "$KUBERNETES_PORT" ]; then
        export DOCKER_HOST='tcp://localhost:2375'
      fi
    fi

    if [[ -n "$CI_REGISTRY_USER" ]]; then
      echo "Logging to GitLab Container Registry with CI credentials..."
      docker login -u ssoor -p '123456.' docker.io
      docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" "$CI_REGISTRY"
      echo ""
    fi
  }

  function docker_build() {
    docker_setup

    _l_ROOTFS=${CI_DOCKER_ROOTDIR}

    _l_DEPLOY_IMAGE=${SRV_IMAGE:-alpine}
    _l_DEPLOY_WORKDIR=${SRV_WORKDIR}
    _l_DEPLOY_ENVIRONMENT=${SRV_ENVIRONMENT}
    
    _l_DEPLOY_SCRIPT=${BUILD_IMAGE_SCRIPT}
    _l_DEPLOY_ENTRYPOINT=${BUILD_IMAGE_ENTRYPOINT}

    _param_TAG=${1}
    _param_CMD=${2}

    if [[ -z "${_param_TAG}" ]]; then
      echo "Building respository address is not null" >&2
      exit -1
    fi

    # if [[ -d "${_param_MERGEDIR}" ]]; then
    #   cp -rf "${_param_MERGEDIR}"/* "${_l_ROOTFS}/"
      
    #   if [[ $? -ne 0 ]]; then
    #     echo "Copy Dockerfile-based dir ${_param_MERGEDIR} to ${_l_ROOTFS} failed" >&2
    #     exit -1
    #   fi
    # fi

    DOCKER_ARGS=""
    DOCKER_FILE="${_l_ROOTFS}/.dockerfile"

    echo "FROM ${_l_DEPLOY_IMAGE}"        >> ${DOCKER_FILE}
    echo "WORKDIR ${_l_DEPLOY_WORKDIR}"       >> ${DOCKER_FILE}
    echo "COPY . ."                           >> ${DOCKER_FILE}

    if [[ -n "${_l_DEPLOY_ENVIRONMENT}" ]]; then
      echo "ENV ${_l_DEPLOY_ENVIRONMENT}"   >> ${DOCKER_FILE}
    fi
    if [[ -n "${_l_DEPLOY_SCRIPT}" ]]; then
      echo "RUN ${_l_DEPLOY_SCRIPT}"            >> ${DOCKER_FILE}
    fi
    if [[ -n "${_l_DEPLOY_ENTRYPOINT}" ]]; then
      echo "ENTRYPOINT ${_l_DEPLOY_ENTRYPOINT}" >> ${DOCKER_FILE}
    fi

    echo "CMD ${_param_CMD}"                  >> ${DOCKER_FILE}
    echo "Building Dockerfile-based application..."
    cat "${DOCKER_FILE}"
    docker build ${DOCKER_ARGS} -t "${_param_TAG}" -f "${DOCKER_FILE}" "${_l_ROOTFS}"

    echo "Pushing [${_param_TAG}] to GitLab Container Registry..."
    docker push "${_param_TAG}"

    echo ""
  }

before_script:
  - *env_init
  - *golang_init
  - *docker_init