open-pr.yml

# You need to set up Workload Identity Federation in your Google Cloud project in order to use this GitHub Actions definition: https://medium.com/p/3932dce678b8.
# And the secrets.GSA_ID needs to have the roles/artifactregistry.repoAdmin role in order push and delete container images.
name: open-pr
permissions:
  contents: read
  id-token: write
  pull-requests: write
on:
  pull_request:
env:
  ENVIRONMENT_ID: pr-${{ github.event.number }}
  IMAGE_NAME: ${{ secrets.REGISTRY_LOCATION }}-docker.pkg.dev/${{ secrets.PROJECT_ID }}/${{ secrets.REGISTRY_NAME }}/my-sample-workload
  SCORE_COMPOSE_VERSION: 'latest'
  SCORE_K8S_VERSION: 'latest'
  WORKLOAD_NAME: my-sample-workload
  CONTAINER_NAME: my-sample-container
  HUMCTL_VERSION: '*'
jobs:
  build-run-test-push:
    runs-on: ubuntu-22.04
    steps:
      - name: checkout code
        uses: actions/checkout@v4
      - name: install humctl
        uses: humanitec/setup-cli-action@v1
        with:
          version: ${{ env.HUMCTL_VERSION }}
      - name: humctl score validate
        run: |
          humctl score validate score/score.yaml \
              --token ${{ secrets.HUMANITEC_TOKEN }} \
              --org ${{ secrets.HUMANITEC_ORG }} \
              --strict
      - name: install score-compose
        uses: score-spec/setup-score@v3
        with:
          file: score-compose
          token: ${{ secrets.GITHUB_TOKEN }}
          version: ${{ env.SCORE_COMPOSE_VERSION }}
      - name: make compose.yaml
        run: |
          make compose.yaml
          cat <<EOF > compose.override.yaml
          services:
            ${{ env.WORKLOAD_NAME }}-${{ env.CONTAINER_NAME }}:
              read_only: true
              cap_drop:
                - ALL
              user: "1000"
          EOF
      - name: make compose-test
        run: |
          make compose-test
      - name: make kind-create-cluster
        run: |
          make kind-create-cluster
      - name: make kind-load-image
        run: |
          make kind-load-image
      - name: install score-k8s
        uses: score-spec/setup-score@v3
        with:
          file: score-k8s
          token: ${{ secrets.GITHUB_TOKEN }}
          version: ${{ env.SCORE_K8S_VERSION }}
      - name: make k8s-up
        id: k8s-up
        run: |
          make k8s-up
      - name: catch k8s-up errors
        if: ${{ failure() && steps.k8s-up.outcome == 'failure' }}
        run: |
          kubectl get events
          kubectl logs \
              -l app.kubernetes.io/name=${{ env.WORKLOAD_NAME }}
      - name: authenticate to google cloud
        uses: google-github-actions/auth@v2
        with:
          workload_identity_provider: '${{ secrets.WI_PROVIDER_ID }}'
          service_account: '${{ secrets.GSA_ID }}'
      - name: setup gcloud
        uses: google-github-actions/setup-gcloud@v2
        with:
          version: latest
      - name: sign-in to gar
        run: |
          gcloud auth configure-docker \
              ${{ secrets.REGISTRY_LOCATION }}-docker.pkg.dev \
              --quiet
      - name: delete previous container image in gar
        run: |
          gcloud artifacts docker images delete \
              ${IMAGE_NAME}:${{ env.ENVIRONMENT_ID }} \
              --delete-tags \
              --quiet \
              || true
      - name: push the container to gar
        run: |
          docker tag ${{ env.WORKLOAD_NAME }}:test ${{ env.IMAGE_NAME }}:${{ env.ENVIRONMENT_ID }}
          docker push \
              ${{ env.IMAGE_NAME }}:${{ env.ENVIRONMENT_ID }}
  deploy-preview-env:
    needs: build-run-test-push
    runs-on: ubuntu-22.04
    env:
      BASE_ENVIRONMENT: 'development'
      ENVIRONMENT_TYPE: 'development'
      ENVIRONMENT_NAME: PR-${{ github.event.number }}
    steps:
      - name: checkout code
        uses: actions/checkout@v4
      - name: install humctl
        uses: humanitec/setup-cli-action@v1
        with:
          version: ${{ env.HUMCTL_VERSION }}
      - name: create humanitec preview env
        run: |
          EXISTING_ENV_ID=$(humctl get environment ${{ env.ENVIRONMENT_ID }} \
                              --token ${{ secrets.HUMANITEC_TOKEN }} \
                              --org ${{ secrets.HUMANITEC_ORG }} \
                              --app ${{ vars.APP_NAME }} \
                              -o json \
                              | jq .metadata.id \
                              || true)
          if [ -z "$EXISTING_ENV_ID" ]; then
              humctl create environment ${{ env.ENVIRONMENT_ID }} \
                --token ${{ secrets.HUMANITEC_TOKEN }} \
                --org ${{ secrets.HUMANITEC_ORG }} \
                --app ${{ vars.APP_NAME }} \
                --name ${{ env.ENVIRONMENT_NAME }} \
                -t ${{ env.ENVIRONMENT_TYPE }} \
                --from ${{ env.BASE_ENVIRONMENT }}
          fi
      - name: authenticate to google cloud
        uses: google-github-actions/auth@v2
        with:
          workload_identity_provider: '${{ secrets.WI_PROVIDER_ID }}'
          service_account: '${{ secrets.GSA_ID }}'
      - name: setup gcloud
        uses: google-github-actions/setup-gcloud@v2
        with:
          version: latest
      - name: sign-in to gar
        run: |
          gcloud auth configure-docker \
              ${{ secrets.REGISTRY_LOCATION }}-docker.pkg.dev \
              --quiet
      - name: get container image digest
        run: |
          echo "IMAGE_DIGEST=$(oras manifest fetch ${{ env.IMAGE_NAME }}:${{ env.ENVIRONMENT_ID }} \
              --descriptor \
              | jq -r .digest)" >> ${{ github.env }}
      - name: humctl score deploy
        run: |
          humctl score deploy \
              --deploy-config score/score.deploy.yaml \
              --image ${{ env.IMAGE_NAME }}@${IMAGE_DIGEST} \
              --message "$(curl -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" "${{ github.event.pull_request.commits_url }}?per_page=10" | jq -r .[-1].commit.message)" \
              --workload-source-url-prefix "https://github.com/${{ github.repository }}/blob/${{ github.head_ref }}/score" \
              --token ${{ secrets.HUMANITEC_TOKEN }} \
              --org ${{ secrets.HUMANITEC_ORG }} \
              --app ${{ vars.APP_NAME }} \
              --env ${{ env.ENVIRONMENT_ID }} \
              --wait
      - name: build comment message
        if: ${{ always() }}
        run: |
          DEPLOYMENT_ID=$(humctl get deployment . -o json \
              --token ${{ secrets.HUMANITEC_TOKEN }} \
              --org ${{ secrets.HUMANITEC_ORG }} \
              --app ${{ vars.APP_NAME }} \
              --env ${{ env.ENVIRONMENT_ID }} \
              | jq -r .metadata.id)
          ENV_URL="https://app.humanitec.io/orgs/"${{ secrets.HUMANITEC_ORG }}"/apps/"${{ vars.APP_NAME }}"/envs/"${{ env.ENVIRONMENT_ID }}"/deploys/"${DEPLOYMENT_ID}
          DOMAINS=$(humctl get active-resources \
                      --token ${{ secrets.HUMANITEC_TOKEN }} \
                      --org ${{ secrets.HUMANITEC_ORG }} \
                      --app ${{ vars.APP_NAME }} \
                      --env ${{ env.ENVIRONMENT_ID }} -o json \
                      | jq -r '. | map(. | select(.metadata.type == "dns")) | map((.metadata.res_id | split(".") | .[1]) + ": [" + .status.resource.host + "](https://" + .status.resource.host + ")") | join("\n")')
          
          DEPLOYMENT_ERRORS=$(humctl get deployment-error \
              --token ${{ secrets.HUMANITEC_TOKEN }} \
              --org ${{ secrets.HUMANITEC_ORG }} \
              --app ${{ vars.APP_NAME }} \
              --env ${{ env.ENVIRONMENT_ID }} -o json)
          RUNTIME_ERRORS=$(humctl api get /orgs/${{ secrets.HUMANITEC_ORG }}/apps/${{ vars.APP_NAME }}/envs/${{ env.ENVIRONMENT_ID }}/runtime \
              --token ${{ secrets.HUMANITEC_TOKEN }} \
              | grep '"status": "Failure"' -B 10 -A 1) \
              || true
          if [[ "$DEPLOYMENT_ERRORS" = "[]" && -z "$RUNTIME_ERRORS" ]]; then
            echo "## Deployment successfully completed for ${{ env.ENVIRONMENT_NAME }}! :tada:" >> pr_message.txt
            echo "" >> pr_message.txt
          else
            echo "## Deployment failed for ${{ env.ENVIRONMENT_NAME }}! :x:" >> pr_message.txt
            echo "" >> pr_message.txt
            
            if [ "$DEPLOYMENT_ERRORS" != "[]" ]; then
              echo "### Deployment errors:" >> pr_message.txt
              echo "" >> pr_message.txt
              echo '```json' >> pr_message.txt
              echo "" >> pr_message.txt
              echo "$DEPLOYMENT_ERRORS" | jq .[0].status.message -r >> pr_message.txt
              echo "" >> pr_message.txt
              echo '```' >> pr_message.txt
              echo "" >> pr_message.txt
              echo "<details><summary>Deployment errors details</summary>" >> pr_message.txt
              echo "" >> pr_message.txt
              echo "### Deployment errors details:" >> pr_message.txt
              echo '```json' >> pr_message.txt
              echo "" >> pr_message.txt
              echo "$DEPLOYMENT_ERRORS" >> pr_message.txt
              echo "" >> pr_message.txt
              echo '```' >> pr_message.txt
              echo "" >> pr_message.txt
              echo "</details>" >> pr_message.txt
              echo "" >> pr_message.txt
            fi

            if [ -n "$RUNTIME_ERRORS" ]; then
              echo "### Runtime errors:" >> pr_message.txt
              echo "" >> pr_message.txt
              echo "$RUNTIME_ERRORS" >> pr_message.txt
              echo "" >> pr_message.txt
            fi
          fi
          
          echo "### [View in Humanitec]($ENV_URL)" >> pr_message.txt
          echo "Deployment ID: $DEPLOYMENT_ID" >> pr_message.txt

          echo "" >> pr_message.txt
          echo "### URLs:" >> pr_message.txt
          echo "" >> pr_message.txt
          echo "$DOMAINS" >> pr_message.txt
          echo "" >> pr_message.txt
          
          echo "<details><summary>Deployment diff</summary>" >> pr_message.txt
          echo "" >> pr_message.txt
          echo "### Deployment diff:" >> pr_message.txt
          echo '```json' >> pr_message.txt
          echo "" >> pr_message.txt
          humctl diff sets env/${{ env.ENVIRONMENT_ID }} env/${{ env.BASE_ENVIRONMENT }} \
              --token ${{ secrets.HUMANITEC_TOKEN }} \
              --org ${{ secrets.HUMANITEC_ORG }} \
              --app ${{ vars.APP_NAME }} -o json >> pr_message.txt
          echo "" >> pr_message.txt
          echo '```' >> pr_message.txt
          echo "" >> pr_message.txt
          echo "</details>" >> pr_message.txt

          if [ "$DEPLOYMENT_ERRORS" = "[]" ]; then
            echo "<details><summary>Active Resources Usage</summary>" >> pr_message.txt
            echo "" >> pr_message.txt
            echo "### Active Resources Usage:" >> pr_message.txt
            echo '```none' >> pr_message.txt
            echo "" >> pr_message.txt
            humctl resources active-resource-usage \
                --env ${{ env.ENVIRONMENT_ID }} \
                --token ${{ secrets.HUMANITEC_TOKEN }} \
                --org ${{ secrets.HUMANITEC_ORG }} \
                --app ${{ vars.APP_NAME }} >> pr_message.txt
            echo "" >> pr_message.txt
            echo '```' >> pr_message.txt
            echo "" >> pr_message.txt
            echo "</details>" >> pr_message.txt
          fi

          if [ "$DEPLOYMENT_ERRORS" = "[]" ]; then
            echo "<details><summary>Resources Graph</summary>" >> pr_message.txt
            echo "" >> pr_message.txt
            echo "### Resources Graph:" >> pr_message.txt
            echo "Use a [Graphviz](https://graphviz.org) viewer for a visual representation." >> pr_message.txt
            echo '```none' >> pr_message.txt
            echo "" >> pr_message.txt
            humctl resources graph \
                --env ${{ env.ENVIRONMENT_ID }} \
                --token ${{ secrets.HUMANITEC_TOKEN }} \
                --org ${{ secrets.HUMANITEC_ORG }} \
                --app ${{ vars.APP_NAME }} >> pr_message.txt
            echo "" >> pr_message.txt
            echo '```' >> pr_message.txt
            echo "" >> pr_message.txt
            echo "</details>" >> pr_message.txt
          fi
      - name: comment pr
        if: ${{ always() }}
        run: |
          gh pr comment ${{ github.event.number }} --repo ${{ github.repository }} --body-file pr_message.txt
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}