# The container definition we want to use for developing our app
box:
  id: busybox

docker: true
command-timeout: 30
build:
  steps:

build-api:
  box: node:10-alpine
  steps:
    # TODO: We could use a generic build pipeline, but before we do that, we should standardize how to test each service.
    # If we use the same command to run the tests for each service, then we can create a generic pipeline here for build and test.
    - internal/docker-build:
        context: src/api
        image-name: $DOCKER_REPOSITORY/api
    - script:
        name: Test API
        code: |
          cd src

          cd api
          npm install
          npm test
          cd ..
    - internal/docker-push:
        # We tag and push a temporary image, just so we can pull and re-tag the official ones later.
        # In order for the build and push steps to work together, they need to be in the same pipeline.
        image-name: $DOCKER_REPOSITORY/api
        tag: $WERCKER_GIT_COMMIT
        username: $DOCKER_USERNAME
        password: $DOCKER_PASSWORD
        registry: https://phx.ocir.io/v2
        repository: $DOCKER_REPOSITORY/api

build-carts:
  steps:
    - internal/docker-build:
        context: src/carts
        image-name: $DOCKER_REPOSITORY/carts
    - script:
      name: Test Carts
      code: |
        cd src

        # TODO: Run the carts tests
        cd carts
    - internal/docker-push:
        image-name: $DOCKER_REPOSITORY/carts
        tag: $WERCKER_GIT_COMMIT
        username: $DOCKER_USERNAME
        password: $DOCKER_PASSWORD
        registry: https://phx.ocir.io/v2
        repository: $DOCKER_REPOSITORY/carts

build-catalogue:
  box: golang:1.12
  steps:
    - internal/docker-build:
        context: src/catalogue
        image-name: $DOCKER_REPOSITORY/catalogue
    - script:
      name: Test Catalogue
      code: |
        cd src
        # TODO: Run Catalogue tests
    - internal/docker-push:
        image-name: $DOCKER_REPOSITORY/catalogue
        tag: $WERCKER_GIT_COMMIT
        username: $DOCKER_USERNAME
        password: $DOCKER_PASSWORD
        registry: https://phx.ocir.io/v2
        repository: $DOCKER_REPOSITORY/catalogue

build-orders:
  steps:
    - internal/docker-build:
        context: src/orders
        image-name: $DOCKER_REPOSITORY/orders
    - script:
      name: Test Orders
      code: |
        cd src

        # TODO: Run the orders tests
        cd orders
    - internal/docker-push:
        image-name: $DOCKER_REPOSITORY/orders
        tag: $WERCKER_GIT_COMMIT
        username: $DOCKER_USERNAME
        password: $DOCKER_PASSWORD
        registry: https://phx.ocir.io/v2
        repository: $DOCKER_REPOSITORY/orders

build-payment:
  steps:
    - internal/docker-build:
        context: src/payment
        image-name: $DOCKER_REPOSITORY/payment
    - script:
      name: Test Payment
      code: |
        cd src
        # TODO: Run payment tests
    - internal/docker-push:
        image-name: $DOCKER_REPOSITORY/payment
        tag: $WERCKER_GIT_COMMIT
        username: $DOCKER_USERNAME
        password: $DOCKER_PASSWORD
        registry: https://phx.ocir.io/v2
        repository: $DOCKER_REPOSITORY/payment

build-shipping:
  steps:
    - internal/docker-build:
        context: src/shipping
        image-name: $DOCKER_REPOSITORY/shipping
    - script:
      name: Test Shipping
      code: |
        cd src

        # TODO: Run the shipping tests
        cd shipping
    - internal/docker-push:
        image-name: $DOCKER_REPOSITORY/shipping
        tag: $WERCKER_GIT_COMMIT
        username: $DOCKER_USERNAME
        password: $DOCKER_PASSWORD
        registry: https://phx.ocir.io/v2
        repository: $DOCKER_REPOSITORY/shipping

build-storefront:
  box: node:10-alpine
  steps:
    - internal/docker-build:
        context: src/storefront
        image-name: $DOCKER_REPOSITORY/storefront
    - script:
      name: Test Storefront
      code: |
        cd src

        cd storefront
        npm install
        npm test
    - internal/docker-push:
        image-name: $DOCKER_REPOSITORY/storefront
        tag: $WERCKER_GIT_COMMIT
        username: $DOCKER_USERNAME
        password: $DOCKER_PASSWORD
        registry: https://phx.ocir.io/v2
        repository: $DOCKER_REPOSITORY/storefront

build-stream:
  steps:
    - internal/docker-build:
        context: src/stream
        image-name: $DOCKER_REPOSITORY/stream
    - script:
      name: Test Stream
      code: |
        cd src

        # TODO: Run the stream tests
        cd stream
    - internal/docker-push:
        image-name: $DOCKER_REPOSITORY/stream
        tag: $WERCKER_GIT_COMMIT
        username: $DOCKER_USERNAME
        password: $DOCKER_PASSWORD
        registry: https://phx.ocir.io/v2
        repository: $DOCKER_REPOSITORY/stream

build-user:
  steps:
    - internal/docker-build:
        context: src/user
        image-name: $DOCKER_REPOSITORY/user
    - script:
      name: Test User
      code: |
        cd src
        # TODO: Run User tests
    - internal/docker-push:
        image-name: $DOCKER_REPOSITORY/user
        tag: $WERCKER_GIT_COMMIT
        username: $DOCKER_USERNAME
        password: $DOCKER_PASSWORD
        registry: https://phx.ocir.io/v2
        repository: $DOCKER_REPOSITORY/user

# Pushes the built Docker images to registry.
# This pipeline needs DOCKER_USERNAME, DOCKER_PASSWORD, DOCKER_REPOSITORY and SERVICE_NAME (service folder name) variables set.
push-to-registry:
  box: alpine
  docker: true
  steps:
    - script:
        name: Install docker
        code: apk --no-cache add docker
    - script:
        name: Tag and push images
        code: |
          echo $SERVICE_NAME
          SERVICE_VERSION=$(cat src/$SERVICE_NAME/VERSION)
          echo $SERVICE_VERSION
          ./ci/tag_and_push.sh $SERVICE_VERSION
    - script:
        name: Store image information
        code: |
          SERVICE_NAME_UPPER=$(echo $SERVICE_NAME | tr '[a-z]' '[A-Z]')
          IMAGE_NAMES_FILE=images.txt
          echo ${SERVICE_NAME_UPPER}_IMAGE_NAME=${DOCKER_REPOSITORY}/$SERVICE_NAME >> ${IMAGE_NAMES_FILE}
          echo ${SERVICE_NAME_UPPER}_IMAGE_TAG=$(cat src/${SERVICE_NAME}/VERSION) >> ${IMAGE_NAMES_FILE}
          cat $IMAGE_NAMES_FILE

upgrade-deployment:
  box:
    id: alpine
    cmd: /bin/sh
  steps:
    - script:
        name: Download Helm
        code: |
          wget https://get.helm.sh/helm-v2.14.3-linux-amd64.tar.gz
          tar xvzf helm-v2.14.3-linux-amd64.tar.gz
          ./linux-amd64/helm version --client
    - script:
        name: Setup image names
        code: |
          ls -a
          cat push-api/images.txt
          cat push-carts/images.txt
          cat push-catalogue/images.txt
          cat push-orders/images.txt
          cat push-payment/images.txt
          cat push-shipping/images.txt
          cat push-storefront/images.txt
          cat push-stream/images.txt
          cat push-user/images.txt

          export $(cat push-api/images.txt | xargs)
          export $(cat push-carts/images.txt | xargs)
          export $(cat push-catalogue/images.txt | xargs)
          export $(cat push-orders/images.txt | xargs)
          export $(cat push-payment/images.txt | xargs)
          export $(cat push-shipping/images.txt | xargs)
          export $(cat push-storefront/images.txt | xargs)
          export $(cat push-stream/images.txt | xargs)
          export $(cat push-user/images.txt | xargs)
    - script:
        name: Create kube.config file
        code: |
          cat <<EOF > kube.config
          apiVersion: v1
          clusters:
          - cluster:
              insecure-skip-tls-verify: true
              server: $KUBERNETES_SERVER
            name: cluster
          contexts:
          - context:
              cluster: cluster
              user: user
            name: cluster
          current-context: cluster
          kind: Config
          preferences: {}
          users:
          - name: user
            user:
              token: $KUBERNETES_TOKEN
          EOF
    - script:
        name: Get previous deployment values for release $HELM_RELEASE_NAME
        code: |
          ./linux-amd64/helm --kubeconfig kube.config get values $HELM_RELEASE_NAME > original-$WERCKER_GIT_COMMIT.yaml
    - script:
        name: Create new deployment values
        code: |
          cat <<EOF > upgrade-$WERCKER_GIT_COMMIT.yaml
          api:
            image:
              repository: $API_IMAGE_NAME
              tag: $API_IMAGE_TAG
          carts:
            image:
              repository: $CARTS_IMAGE_NAME
              tag: $CARTS_IMAGE_TAG
          catalogue:
            image:
              repository: $CATALOGUE_IMAGE_NAME
              tag: $CATALOGUE_IMAGE_TAG
          orders:
            image:
              repository: $ORDERS_IMAGE_NAME
              tag: $ORDERS_IMAGE_TAG
          payment:
            image:
              repository: $PAYMENT_IMAGE_NAME
              tag: $PAYMENT_IMAGE_TAG
          shipping:
            image:
              repository: $SHIPPING_IMAGE_NAME
              tag: $SHIPPING_IMAGE_TAG
          storefront:
            image:
              repository: $STOREFRONT_IMAGE_NAME
              tag: $STOREFRONT_IMAGE_TAG
          stream:
            image:
              repository: $STREAM_IMAGE_NAME
              tag: $STREAM_IMAGE_TAG
          user:
            image:
              repository: $USER_IMAGE_NAME
              tag: $USER_IMAGE_TAG
          EOF
          cat upgrade-$WERCKER_GIT_COMMIT.yaml
    - script:
        name: Upgrade deployment '$HELM_RELEASE_NAME'
        code: |
          PREVIOUS_VALUES="original-$WERCKER_GIT_COMMIT.yaml"
          UPGRADE_VALUES="upgrade-$WERCKER_GIT_COMMIT.yaml"

          cmd="./linux-amd64/helm --debug --timeout $HELM_TIMEOUT --kubeconfig kube.config upgrade $HELM_RELEASE_NAME deploy/helm-chart/mushop -f $PREVIOUS_VALUES -f $UPGRADE_VALUES --atomic"
          echo "Running Helm command $cmd"
          eval $cmd