.gitlab-ci.yml with versioning and changelog

.gitlab-ci.yml

image: docker:latest
services:
  - docker:dind

stages:
  - build
  - integration
  - dev-release
  - prod-release

# Cache downloaded dependencies and plugins between builds.
cache:
  paths:
    - .m2/repository
  key: "$CI_JOB_NAME"

variables:
  DOCKER_DRIVER: overlay
  CONTAINER_RELEASE_IMAGE: $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA
  CONTAINER_RELEASE_IMAGE_LATEST: $CI_REGISTRY_IMAGE:latest
  DEV_KUBECTL_CONFIG: $k8s_deploy_config_kube1
  EU_PROD_KUBECTL_CONFIG: $k8s_deploy_config_eu_west_1_kube2
  US_PROD_KUBECTL_CONFIG: $k8s_deploy_config_us_east_1_kube1
  MAVEN_OPTS: "-Dmaven.repo.local=$CI_PROJECT_DIR/.m2/repository"
  KUBE_CONFIG_PATH: "/root/.kube/config"
  IMAGE_NAME: *******

maven-build:
  image: snirnx/docker-maven:3.5.4
  stage: build
  script:
    - mvn clean install
    - docker build -t $IMAGE_NAME docker/
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
    - docker tag $IMAGE_NAME $CI_REGISTRY_IMAGE/$IMAGE_NAME:$CI_COMMIT_SHA
    - docker tag $IMAGE_NAME $CI_REGISTRY_IMAGE/$IMAGE_NAME:latest
    - docker push $CI_REGISTRY_IMAGE/$IMAGE_NAME:$CI_COMMIT_SHA
    - docker push $CI_REGISTRY_IMAGE/$IMAGE_NAME:latest
    ## In CI pipeline, set Total.*?([0-9]{1,3})% for test coverage
    - cat target/site/jacoco/index.html
  tags:
    - gitlab-docker

integration test:
  image: snirnx/docker-maven:3.5.4
  stage: integration
  script:
    - git clone https://gitlab-ci-token:$CI_JOB_TOKEN@**********************.git
    - cd *************/
    - bash ci_scripts/run_tests.sh
  tags:
    - integration-tests
  artifacts:
    name: "CI_COMMIT_SHA-results"
    when: always
    expire_in: 4 days
    paths:
      - integration-test/target/site/
      - integration-test/log/


changelog:
  image: golang:latest
  stage: dev-release
  before_script:
    - git remote set-url origin https://${CI_PUSH_USER}:${CI_PUSH_TOKEN}@${GITLAB_HOST}/${CI_PROJECT_NAMESPACE}/${CI_PROJECT_NAME}.git
    - git config --global user.name "${CI_PUSH_USER}"
    - git config --global user.email "${CI_PUSH_USER}@${GITLAB_HOST}"
    - git checkout master
    - git fetch --all
    - git reset --hard origin/master
  script:
    - go get -u github.com/git-chglog/git-chglog/cmd/git-chglog
    - git-chglog -o CHANGELOG.md
    - sed -i -e 's/\(TCA-[0-9]\+\)/[\1](https:\/\/jira.*******.com\/browse\/\1)/g' CHANGELOG.md
    - git add CHANGELOG.md
    - git commit -m 'edit CHANGELOG.md [skip ci]' || true
    - git push origin master || true
  tags:
    - gitlab-docker
  only:
    - master
    - tags

deploy to dev:
  image: snirnx/kubectl:v1.8.6
  stage: dev-release
  script:
    - echo "$DEV_KUBECTL_CONFIG" | base64 -d > $KUBE_CONFIG_PATH
    - sed -i s/latest/$CI_COMMIT_SHA/g k8s/dev/deployment.yaml
    - kubectl apply -f k8s/dev/deployment.yaml
    - kubectl -n dev get deploy
    - kubectl -n dev get pods
  tags:
    - gitlab-docker
  environment:
    name: staging
  only:
    - master

version:
  image: snirnx/docker-maven:3.5.4
  stage: prod-release
  before_script:
    - git config --global user.name "${CI_PUSH_USER}"
    - git config --global user.email "${CI_PUSH_USER}@$${GITLAB_HOST}"
  script:
    - pip install semver
    - chmod 777 ci/gen-semver.py
    - ci/gen-semver.py > version
  artifacts:
    paths:
      - version
  only:
    - master
  when: manual


deploy to prod us:
  image: snirnx/kubectl:v1.8.6
  stage: prod-release
  script:
    - echo "$US_PROD_KUBECTL_CONFIG" | base64 -d > $KUBE_CONFIG_PATH
    - sed -i s/latest/$CI_COMMIT_SHA/g k8s/prod/deployment.yaml
    - kubectl apply -f k8s/prod/deployment.yaml
    - kubectl -n prod get deploy
    - kubectl -n prod get pods
  tags:
    - gitlab-docker
  environment:
    name: production
  only:
    - master
  when: manual


deploy to prod eu:
  image: snirnx/kubectl:v1.8.6
  stage: prod-release
  script:
    - echo "$EU_PROD_KUBECTL_CONFIG" | base64 -d > $KUBE_CONFIG_PATH
    - sed -i s/latest/$CI_COMMIT_SHA/g k8s/prod/deployment.yaml
    - kubectl apply -f k8s/prod/deployment.yaml
    - kubectl -n prod get deploy
    - kubectl -n prod get pods
  tags:
    - gitlab-docker
  environment:
    name: production
  only:
    - master
  when: manual