.gitlab-ci.yml

# Gitlab-CI Workflow
# stages:
#   build:
#     - Runs on commits on master or tags that match the pattern "v[0-9]+\.[0-9]+.*$". (e.g. 1.0, v2.1rc1)
#   deploy-staging:
#     - Runs on commits on master or tags that match the pattern v1.0, v2.1rc1 (continues deployment)
#   deploy-production:
#     - Runs on tags that match the pattern v1.0, v2.1rc1 (manual deployment)

variables:
  # Build Variables (Mandatory)
  CONTAINER_REPO:             ""
  DOCKERFILE_DIRECTORY:       ""


  # Manual Variables (Optional)
  ## Could be used in the webconsole when triggering the pipeline manually
  ## DO NOT SET THEM IN THIS FILE!! They've been mentioned here only for documentation purposes!
  FORCE_DEPLOY:               ""        # boolean: true or false - triggers the deploy-production stage
  FORCE_DOCKER_TAG:           ""        # choose an existing docker tag to be deployed (e.g. v1.2.3)
  BUILDAH_IMAGE:              "quay.io/buildah/stable:v1.29"
  BUILDAH_COMMAND:            "buildah --storage-driver overlay2"

default:
  before_script:
    - |-
      echo defining DOCKER_IMAGE_TAG variable
      if [[ $FORCE_DOCKER_TAG ]]; then
        export DOCKER_IMAGE_TAG="${FORCE_DOCKER_TAG}"
      elif [[ $CI_COMMIT_TAG =~ ^v[0-9]+\.[0-9]+.*$ ]]; then
        export DOCKER_IMAGE_TAG="${CI_COMMIT_TAG}"
        export BUILD_LATEST_IMAGE="true"
      else
        export DOCKER_IMAGE_TAG="${CI_COMMIT_SHORT_SHA}-beta"
      fi
  retry:
    max: 2
    when:
      - runner_system_failure
      - unknown_failure
      - api_failure

stages:
  - build
  - deploy-commit-to-staging
  - deploy-master-to-staging
  - deploy-production


# Pipeline Job Templates:
.dockerize:               &dockerize
  stage:                  build
  image:                  $BUILDAH_IMAGE
  script:
    - |-
      echo building "$CONTAINER_REPO:$DOCKER_IMAGE_TAG"
      if [[ $BUILD_LATEST_IMAGE ]]; then
        $BUILDAH_COMMAND build \
        --format=docker \
        --tag "$CONTAINER_REPO:$DOCKER_IMAGE_TAG" \
        --tag "$CONTAINER_REPO:latest" "$DOCKERFILE_DIRECTORY"
      else
        $BUILDAH_COMMAND build \
        --format=docker \
        --tag "$CONTAINER_REPO:$DOCKER_IMAGE_TAG" "$DOCKERFILE_DIRECTORY"
      fi
    - echo ${DOCKER_PASSWORD} |
        buildah login --username ${DOCKER_USERNAME} --password-stdin docker.io
    - |-
      echo pushing "$CONTAINER_REPO:$DOCKER_IMAGE_TAG"
      if [[ $BUILD_LATEST_IMAGE ]]; then
        $BUILDAH_COMMAND push --format=v2s2 "$CONTAINER_REPO:$DOCKER_IMAGE_TAG"
        $BUILDAH_COMMAND push --format=v2s2 "$CONTAINER_REPO:latest"
      else
        $BUILDAH_COMMAND push --format=v2s2 "$CONTAINER_REPO:$DOCKER_IMAGE_TAG"
      fi
  rules:
    - if: '$FORCE_DOCKER_TAG'
      when: never
    - if: '$CI_COMMIT_TAG =~ /^v[0-9]+\.[0-9]+.*$/'         # i.e. v1.0, v2.1rc1
      when: always
    - if: '$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH'
      when: always
  tags:
    - kubernetes-parity-build

.publish-docker-image-description:
  stage:                  build
  image:                  paritytech/dockerhub-description
  before_script:
    - echo
  variables:
    DOCKERHUB_REPOSITORY: parity/substrate-telemetry-$PRODUCT
    DOCKER_USERNAME:      $Docker_Hub_User_Parity
    DOCKER_PASSWORD:      $Docker_Hub_Pass_Parity
    README_FILEPATH:      $CI_PROJECT_DIR/$PRODUCT/Dockerfile.README.md
  rules:
  - if: $CI_COMMIT_REF_NAME == "master"
    changes:
    - $PRODUCT/Dockerfile.README.md
  script:
    - cd / && sh entrypoint.sh
  tags:
    - kubernetes-parity-build

.deploy:                  &deploy
  image:                  quay.io/argoproj/argocd:v2.7.9
  variables:
    ARGOCD_OPTS: --grpc-web --grpc-web-root-path /$ENVIRONMENT
    APP: substrate-telemetry
  environment:
    name: $ENVIRONMENT
  script:
    - argocd app list
    - argocd app set $APP
        --helm-set substrate-telemetry.image.backend.repository="${CONTAINER_REPO_BACKEND}"
        --helm-set substrate-telemetry.image.backend.tag="${DOCKER_IMAGE_TAG}"
        --helm-set substrate-telemetry.image.frontend.repository="${CONTAINER_REPO_FRONTEND}"
        --helm-set substrate-telemetry.image.frontend.tag="${DOCKER_IMAGE_TAG}"
    - argocd app sync $APP
    - argocd app wait $APP --timeout 180
  tags:
    - kubernetes-parity-build


# Pipeline Jobs:
build-backend:
  variables:
    CONTAINER_REPO:       "docker.io/parity/substrate-telemetry-backend"
    DOCKERFILE_DIRECTORY: "./backend/"
    DOCKER_USERNAME:      $Docker_Hub_User_Parity
    DOCKER_PASSWORD:      $Docker_Hub_Pass_Parity
  <<:                     *dockerize

build-frontend:
  variables:
    CONTAINER_REPO:       "docker.io/parity/substrate-telemetry-frontend"
    DOCKERFILE_DIRECTORY: "./frontend/"
    DOCKER_USERNAME:      $Docker_Hub_User_Parity
    DOCKER_PASSWORD:      $Docker_Hub_Pass_Parity
  <<:                     *dockerize

publish-backend-docker-image-description:
  extends:                .publish-docker-image-description
  variables:
    PRODUCT:              backend
    SHORT_DESCRIPTION:    "substrate-backend Docker Image."

publish-frontend-docker-image-description:
  extends:                .publish-docker-image-description
  variables:
    PRODUCT:              frontend
    SHORT_DESCRIPTION:    "substrate-frontend Docker Image."

# Manually build the docker images and deploy some commit to staging.
build-backend-manual:
  variables:
    CONTAINER_REPO:       "docker.io/paritypr/substrate-telemetry-backend"
    DOCKERFILE_DIRECTORY: "./backend/"
    DOCKER_USERNAME:      $PARITYPR_USER
    DOCKER_PASSWORD:      $PARITYPR_PASS
  <<:                     *dockerize
  rules:
    - if: '$CI_COMMIT_BRANCH =~ /^[0-9]+/'
      when: manual

build-frontend-manual:
  variables:
    CONTAINER_REPO:       "docker.io/paritypr/substrate-telemetry-frontend"
    DOCKERFILE_DIRECTORY: "./frontend/"
    DOCKER_USERNAME:      $PARITYPR_USER
    DOCKER_PASSWORD:      $PARITYPR_PASS
  <<:                     *dockerize
  rules:
    - if: '$CI_COMMIT_BRANCH =~ /^[0-9]+/'
      when: manual

deploy-commit-to-staging:
  variables:
    CONTAINER_REPO_BACKEND:  "docker.io/paritypr/substrate-telemetry-backend"
    CONTAINER_REPO_FRONTEND: "docker.io/paritypr/substrate-telemetry-frontend"
    ENVIRONMENT:             "parity-stg"
  stage:                  deploy-commit-to-staging
  extends:                .deploy
  rules:
    - if: '$CI_COMMIT_BRANCH =~ /^[0-9]+/'
      when: manual

# Automatically deploy `master` branch or tag like `v1.0` to staging
deploy-master-to-staging:
  variables:
    CONTAINER_REPO_BACKEND:  "docker.io/parity/substrate-telemetry-backend"
    CONTAINER_REPO_FRONTEND: "docker.io/parity/substrate-telemetry-frontend"
    ENVIRONMENT:             "parity-stg"
  stage:                  deploy-master-to-staging
  extends:                .deploy
  rules:
    - if: '$CI_COMMIT_TAG =~ /^v[0-9]+\.[0-9]+.*$/'       # i.e. v1.0, v2.1rc1
    - if: '$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH'

# Manually deploy a tag like `v1.0` to production
deploy-production:
  variables:
    CONTAINER_REPO_BACKEND:  "docker.io/parity/substrate-telemetry-backend"
    CONTAINER_REPO_FRONTEND: "docker.io/parity/substrate-telemetry-frontend"
    ENVIRONMENT:             "parity-prod"
  stage:                  deploy-production
  extends:                .deploy
  rules:
    - if: '$CI_COMMIT_TAG =~ /^v[0-9]+\.[0-9]+.*$/'       # i.e. v1.0, v2.1rc1
      when: manual
    - if: '$FORCE_DEPLOY == "true"'
      when: manual