cflynn07/myblog

name: Test, Build and Deploy
on: [push]
jobs:
  test:
    name: Test
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@master

      - name: Test
        uses: cedrickring/golang-action/go1.12@1.3.0
        with:
          args: go test ./... -coverprofile=coverage.txt -covermode=atomic -coverpkg=myblog/app
        env:
          GO111MODULE: on
          GOFLAGS: -mod=vendor

      - name: Upload Coverage to CodeCov
        run: curl -s https://codecov.io/bash | bash -s -- -t ${{secrets.CODECOV_TOKEN}} -f ./coverage.txt
  build_and_push_image:
    name: Build and Push Image
    runs-on: ubuntu-latest
    needs: test
    steps:
      - name: Checkout
        uses: actions/checkout@master

      - name: Set Envs
        # | ::set-env explanation
        # Bit of non-dry code here, also copied to the "Deploy" job to calculate ENVs
        # https://help.github.com/en/actions/automating-your-workflow-with-github-actions/development-tools-for-github-actions#set-an-environment-variable-set-env
        run: |
          BRANCH_NAME="`echo $GITHUB_REF | awk -F'/' '{print $3}'`";
          IMAGE_TAG_NAME="cflynnus/blog:$BRANCH_NAME-$GITHUB_SHA";
          echo "BRANCH_NAME=${BRANCH_NAME}" >> $GITHUB_ENV
          echo "IMAGE_TAG_NAME=${IMAGE_TAG_NAME}" >> $GITHUB_ENV

      - name: Docker Login, Build, Tag and Push
        run: |
          echo "${{secrets.DOCKER_PASSWORD}}" | docker login -u ${{secrets.DOCKER_USERNAME}} --password-stdin;
          docker build . --file Dockerfile -t "$IMAGE_TAG_NAME";
          docker tag "$IMAGE_TAG_NAME" cflynnus/blog:latest;
          docker push "$IMAGE_TAG_NAME";
          docker push cflynnus/blog:latest;
  deploy:
    name: Deploy
    runs-on: ubuntu-latest
    needs: build_and_push_image
    if: github.ref == 'refs/heads/develop' || github.ref == 'refs/heads/master'
    steps:
      - name: Checkout
        uses: actions/checkout@master

      - name: Set Envs
        # | ::set-env explanation
        # Bit of non-dry code here, also copied to the "Deploy to Staging" job to calculate ENVs
        # https://help.github.com/en/actions/automating-your-workflow-with-github-actions/development-tools-for-github-actions#set-an-environment-variable-set-env
        run: |
          BRANCH_NAME="`echo $GITHUB_REF | awk -F'/' '{print $3}'`";
          IMAGE_TAG_NAME="cflynnus/blog:$BRANCH_NAME-$GITHUB_SHA";
          echo "BRANCH_NAME=${BRANCH_NAME}" >> $GITHUB_ENV
          echo "IMAGE_TAG_NAME=${IMAGE_TAG_NAME}" >> $GITHUB_ENV

      - name: Install gcloud cli
        uses: google-github-actions/setup-gcloud@master
        with:
          version: latest
          project_id: ${{ secrets.GCLOUD_PROJECT_ID }}
          service_account_email: ${{ secrets.GCLOUD_SA_EMAIL }}
          service_account_key: ${{ secrets.GCLOUD_SA_KEY }}
          export_default_credentials: true

      - name: gcloud configure
        run: |
          gcloud config set project ${{secrets.GCLOUD_PROJECT_ID}};
          gcloud config set compute/zone ${{secrets.GCLOUD_COMPUTE_ZONE}};
          gcloud container clusters get-credentials ${{secrets.GCLOUD_CLUSTER_NAME}};

      - name: Deploy
        run: |
          overrides=(
            "image=$IMAGE_TAG_NAME"
            "deployment_sha=$GITHUB_SHA"
            "deployment_time=`TZ=Asia/Taipei date`"
          )
          overrides=$(for i in "${overrides[@]}"; do
            if [[ $BRANCH_NAME == "master" ]]; then
              echo -n "master_$i,";
            elif [[ $BRANCH_NAME == "develop" ]]; then
              echo -n "develop_$i,";
            fi
          done)
          overrides=${overrides:0:${#overrides}-1}
          echo "$overrides" | tr ',' '\n'
          gcloud projects list
          helm list
          helm status my-blog
          helm upgrade my-blog ./helm \
            --install \
            --debug \
            --reuse-values \
            --set-string "$overrides"

      - name: Rollout Status
        run: kubectl rollout status "deployment/blog-$BRANCH_NAME-app"