image: 'ruby:2.5.0'

.executor-docker: &executor-docker
    tags:
        - docker

.executor-docker-in-docker: &executor-docker-privileged
    tags:
        - docker-privileged

.executor-docker-in-docker: &executor-docker-in-docker
    tags:
        - docker-in-docker

.docker-login: &docker-login
    before_script:
        - echo $CI_JOB_TOKEN | docker login -u gitlab-ci-token --password-stdin $CI_REGISTRY

.docker-logout: &docker-logout
    after_script:
        - docker logout $CI_REGISTRY

.build-image: &build-image
    export BUILD_IMAGE=$CI_REGISTRY_IMAGE:${CI_COMMIT_TAG:-$CI_COMMIT_REF_SLUG}

stages:
    - compliance-tests
    - build
    - sast
    - unit-tests
    - release

variables:
    LATEST_IMAGE: $CI_REGISTRY_IMAGE:latest

hadolint:
    stage: compliance-tests
    <<: *executor-docker
    image: hadolint/hadolint:latest
    script:
        - hadolint Dockerfile

build:
    stage: build
    <<: *executor-docker-privileged
    <<: *docker-login
    script:
        - *build-image
        - docker build --label "org.label-schema.build-date=$(date +%Y-%m-%dT%T%z)" --label "org.label-schema.version=$CI_COMMIT_REF_NAME" --tag $BUILD_IMAGE .
        - docker push $BUILD_IMAGE
    <<: *docker-logout

sast:container:
    stage: sast
    <<: *executor-docker-in-docker
    image: docker:latest
    services:
        - docker:dind
    <<: *docker-login
    script:
        - *build-image
        - docker run -d --name db arminc/clair-db:latest
        - docker run -p 6060:6060 --link db:postgres -d --name clair arminc/clair-local-scan:v2.0.1
        - apk add -U wget ca-certificates
        - docker pull $BUILD_IMAGE
        - wget https://github.com/arminc/clair-scanner/releases/download/v8/clair-scanner_linux_amd64
        - mv clair-scanner_linux_amd64 clair-scanner
        - chmod +x clair-scanner
        - touch clair-whitelist.yml
        - ./clair-scanner -c http://docker:6060 --ip $(hostname -i) -r gl-sast-container-report.json -l clair.log -w clair-whitelist.yml $BUILD_IMAGE || true
    <<: *docker-logout
    artifacts:
        paths: [gl-sast-container-report.json]

constainer-structure-test:
    stage: unit-tests
    <<: *executor-docker-in-docker
    image: docker:latest
    services:
        - docker:dind
    <<: *docker-login
    script:
        - *build-image
        - docker pull $BUILD_IMAGE
        - echo "container-structure-test test --verbose --image $BUILD_IMAGE --config /tests/container/*.json" | docker run --rm -i --volume /var/run/docker.sock:/var/run/docker.sock --volume $CI_PROJECT_DIR/tests/container:/tests/container:ro $LATEST_IMAGE /bin/sh; exit $?
    <<: *docker-logout

release:
    stage: release
    <<: *executor-docker-privileged
    <<: *docker-login
    script:
        - *build-image
        - docker pull $BUILD_IMAGE
        - docker tag $BUILD_IMAGE $LATEST_IMAGE
        - docker push $LATEST_IMAGE
    <<: *docker-logout
    only:
      - tags

image-name-test:
    stage: build
    <<: *executor-docker
    image:
      name: image-name-test:1.15
      entrypoint: [""]
    script:
        - image-name-test Dockerfile

image-name-with-entrypoint-as-list-test:
  stage: build
  <<: *executor-docker
  image:
    entrypoint:
    - ""
    # test comment
    name: image-name-test:1.15
  script:
    - image-name-test Dockerfile