update-layer.yml

name: Bump Version of Ballerina Layer

on:
  workflow_dispatch:

jobs:
  upload:
    runs-on: ubuntu-latest
    env:
      LAYER_NAME: "ballerina-jre21"
      TEMP_BUCKET_NAME: "layer-bucket-temp1"
    strategy:
      max-parallel: 1
      matrix:
        region: [ "us-west-1", "us-east-1", "us-east-2", "us-west-2", "ap-south-1", "ap-northeast-3",
                  "ap-northeast-2", "ap-southeast-1", "ap-southeast-2" ,"ap-northeast-1", "eu-central-1",
                  "eu-west-1", "eu-west-2", "eu-west-3", "eu-north-1", "sa-east-1" ]
    outputs:
      layer-version: ${{ steps.setup.outputs.layer-version }}
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Configure AWS credentials
        uses: aws-actions/configure-aws-credentials@v4
        with:
          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          aws-session-token: ${{ secrets.AWS_SESSION_TOKEN }}
          aws-region: ${{ matrix.region }}
      - name: Setup and Upload lambda Layer
        id: setup
        run: |
          bucketName="${TEMP_BUCKET_NAME}-${{ matrix.region }}-${{ GITHUB.RUN_NUMBER }}"
          cd ballerina-layer
          wget https://github.com/adoptium/temurin21-binaries/releases/download/jdk-21.0.5%2B11/OpenJDK21U-jre_x64_linux_hotspot_21.0.5_11.tar.gz -O openjre.tar.gz
          tar -xvzf openjre.tar.gz
          mv jdk-21.0.5+11-jre jdk
          zip -r layer.zip jdk bootstrap
          if [[ "${{ matrix.region }}" == "us-east-1" ]]; then
            aws s3api create-bucket --bucket $bucketName --region ${{ matrix.region }}
          else
            aws s3api create-bucket --bucket $bucketName --region ${{ matrix.region }} --create-bucket-configuration LocationConstraint=${{ matrix.region }}
          fi
          aws s3 cp --acl private ./layer.zip s3://$bucketName/layer.zip
          aws lambda publish-layer-version \
                        --layer-name ${LAYER_NAME} \
                        --description "Ballerina Lambda runtime layer" \
                        --content S3Bucket=$bucketName,S3Key=layer.zip \
                        --license-info "Apache 2.0" --compatible-runtimes provided
          version=`aws lambda list-layer-versions --layer-name ${LAYER_NAME}  --query 'LayerVersions[0].Version'`
          aws lambda add-layer-version-permission --layer-name ${LAYER_NAME} --version-number $version --statement-id \
          ${{ matrix.region }}-$version --action  lambda:GetLayerVersion --principal '*'
          aws s3 rb --force s3://$bucketName
          echo "::set-output name=layer-version::$version"
  write:
    runs-on: ubuntu-latest
    needs: upload
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Write version to resource file
        run: |
          echo ${{needs.upload.outputs.layer-version}} > compiler-plugin/src/main/resources/layer-version.txt
      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v3
        with:
          token: ${{ secrets.BALLERINA_BOT_TOKEN }}
          commit-message: Update Layer Version
          committer: GitHub <noreply@github.com>
          author: ${{ github.actor }} <${{ github.actor }}@users.noreply.github.com>
          signoff: false
          branch: temp-layer
          delete-branch: true
          title: '[Automated] Update Layers'
          body: |
            Updates AWS Layer version to `${{needs.upload.outputs.layer-version}}`
          draft: false