stages:
  - test
  - build
  - deploy

variables:
  APP_VERSION: ${CI_COMMIT_REF_SLUG}
  DOCKER_AUTH_CONFIG: "{\"auths\":{\"$DOCKER_REGISTRY\":{\"username\":\"$DOCKER_USER\",\"password\":\"$DOCKER_PASSWORD\"}}}"

.test-template:
  image: python:3.9-buster
  stage: test
  tags:
    - kube
  except:
    - tags
  before_script:
    - pip install poetry==1.1.6
    - poetry config virtualenvs.create false
    - poetry install

flake8:
  stage: test
  extends:
    - .test-template
  script:
    - flake8 --count .

pytest:
  extends:
    - .test-template
  script:
    - pytest -vv

black:
  extends:
    - .test-template
  script:
    - black --check .

mypy:
  stage: test
  extends:
    - .test-template
  script:
    - mypy .

image-builder:
  stage: build
  image:
    name: gcr.io/kaniko-project/executor:v1.6.0-debug
    entrypoint: [ "" ]
  tags:
    - kube
  only:
    - tags
  script:
    - mkdir -p /kaniko/.docker
    # Create authentication rule to publish image.
    - echo "$DOCKER_AUTH_CONFIG" > /kaniko/.docker/config.json
    # Build actual image.
    - /kaniko/executor --context .
      --dockerfile deploy/Dockerfile
      --destination "$IMAGE_NAME:$APP_VERSION"
      --force

deploy:
  stage: deploy
  image: docker.le-memese.com/kubectl:1.22.0
  tags:
    - kube
  only:
    - tags
  environment:
    name: production
    kubernetes:
      namespace: $NAMESPACE
  script:
    # Save all lenochka's variables in a file.
    - env | grep "^LENOCHKA_" > .deploy-env
    # Recreate envconfig for pod.
    - kubectl delete configmap "$ENVCONF" || true
    - kubectl create configmap "$ENVCONF" --from-env-file=.deploy-env
    # Create secret for pulling images.
    - echo "$DOCKER_AUTH_CONFIG" > .dockerauth.json
    - kubectl delete secret "$PULL_SECRET" || true
    - kubectl create secret generic "$PULL_SECRET"
      --from-file=.dockerconfigjson=.dockerauth.json
      --type=kubernetes.io/dockerconfigjson
    # Substitute env variables and apply them in kubectl.
    - find deploy/kube -name "*.yml" | xargs cat | envsubst | kubectl apply -f -