.gitlab-ci.yml

stages:
  - test
  - publish

.basic_setup: &setup
  variables:
    IMAGE_TAG: "$CI_PROJECT_NAME:$CI_COMMIT_SHA"
  before_script:
    - docker build -t "$IMAGE_TAG" -f Dockerfile .
  after_script:
    - docker rmi "$IMAGE_TAG"

test_container:
  <<: *setup
  stage: test
  script:
    - export CONTAINER_ID=$(docker run -p 80 -d "$IMAGE_TAG")
    - export CONTAINER_IP=$(docker inspect --format="{{ .NetworkSettings.Networks.bridge.IPAddress }}" "$CONTAINER_ID")
    - tmpfile1=$(mktemp "/tmp/test_run_1.XXXXXX")
    - curl -s "$CONTAINER_IP/env" -o "$tmpfile1"
    - docker kill $CONTAINER_ID

    - export CONTAINER_ID=$(docker run -p 80 -d -e NGINX_ENV_VARS="TEST1" -e TEST1="bla" "$IMAGE_TAG")
    - export CONTAINER_IP=$(docker inspect --format="{{ .NetworkSettings.Networks.bridge.IPAddress }}" "$CONTAINER_ID")
    - tmpfile2=$(mktemp "/tmp/test_run_2.XXXXXX")
    - curl -s "$CONTAINER_IP/env" -o "$tmpfile2"
    - docker kill $CONTAINER_ID

    - export CONTAINER_ID=$(docker run -p 80 -d -e NGINX_ENV_VARS="TEST1,TEST2" -e TEST1="bla1" -e TEST2="bla2" "$IMAGE_TAG")
    - export CONTAINER_IP=$(docker inspect --format="{{ .NetworkSettings.Networks.bridge.IPAddress }}" "$CONTAINER_ID")
    - tmpfile3=$(mktemp "/tmp/test_run_3.XXXXXX")
    - curl -s "$CONTAINER_IP/env" -o "$tmpfile3"
    - docker kill $CONTAINER_ID

    - test "{\"vars_list\":\"empty\"}" = $(cat "$tmpfile1")
    - test "{\"TEST1\":\"bla\",\"vars_list\":\"TEST1\"}" = $(cat "$tmpfile2")
    - test "{\"vars_list\":\"TEST1,TEST2\",\"TEST2\":\"bla2\",\"TEST1\":\"bla1\"}" = $(cat "$tmpfile3")

    - rm "$tmpfile1" "$tmpfile2" "$tmpfile3"
  tags:
    - staging

publish container:
  <<: *setup
  stage: publish
  script:
    - docker login -u gitlab-ci-token -p $CI_BUILD_TOKEN registry.motius.de
    - docker tag $IMAGE_TAG "$CI_REGISTRY_IMAGE:stable"
    - docker push "$CI_REGISTRY_IMAGE:stable"
    - docker rmi $IMAGE_TAG
  tags:
    - staging
  only:
    - master