.gitlab-ci.yml

stages:
  - build
  - test
  - release
  - deploy

variables:
  DJANGO_TEST_IMAGE: $CI_REGISTRY_IMAGE:DJANGO_$CI_COMMIT_REF_SLUG
  DJANGO_RELEASE_IMAGE: $CI_REGISTRY_IMAGE:DJANGO_latest

django-build:
  stage: build
  image: docker:stable
  services:
    - docker:stable-dind
  before_script:
    - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
  script:
    - docker build --pull -t $DJANGO_TEST_IMAGE . -f docker/django/Dockerfile
    - docker push $DJANGO_TEST_IMAGE

django-test:
  stage: test
  image: docker:stable
  services:
    - docker:stable-dind
  before_script:
    - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
  script:
    - docker pull $DJANGO_TEST_IMAGE
    - printenv | grep '^DJANGO_' > env.list
    - docker run --env-file env.list $DJANGO_TEST_IMAGE ./manage.py test

django-release-image:
  stage: release
  image: docker:stable
  services:
    - docker:stable-dind
  before_script:
    - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
  script:
    - docker pull $DJANGO_TEST_IMAGE
    - docker tag $DJANGO_TEST_IMAGE $DJANGO_RELEASE_IMAGE
    - docker push $DJANGO_RELEASE_IMAGE
  only:
    - master


deploy:
  stage: deploy
  image: gitlab/dind:latest
  services:
    - docker:stable-dind
  before_script:
    - which ssh-agent || ( apt-get update -y && apt-get install openssh-client -y )
    - eval $(ssh-agent -s)
    - echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add -
    - mkdir -p ~/.ssh
    - chmod 700 ~/.ssh
    - echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config
  script:
    - ssh ${DEPLOYMENT_USER}@${DEPLOYMENT_SERVER_IP} "docker-compose -f ${PROJECT_PATH}/docker-compose.prod.yml stop"
    - ssh ${DEPLOYMENT_USER}@${DEPLOYMENT_SERVER_IP} "bash -c 'cd ${PROJECT_PATH} && git fetch && git checkout ${CI_COMMIT_SHA:0:8}'"
    - ssh ${DEPLOYMENT_USER}@${DEPLOYMENT_SERVER_IP} "docker login -u ${CI_REGISTRY_USER} -p ${CI_REGISTRY_PASSWORD} ${CI_REGISTRY} && docker pull ${DJANGO_RELEASE_IMAGE}"
    - ssh ${DEPLOYMENT_USER}@${DEPLOYMENT_SERVER_IP} "docker login -u ${CI_REGISTRY_USER} -p ${CI_REGISTRY_PASSWORD} ${CI_REGISTRY} && docker-compose -f ${PROJECT_PATH}/docker-compose.prod.yml up -d"
  only:
    - master