deploy-all-lambdas.yml

name: deploy lambda functions
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
on:
  push: { branches: [main] }

jobs:
  deploy-lambdas:
    runs-on: ubuntu-latest
    container: swift:5.10-amazonlinux2

    env:
      AWS_DEFAULT_REGION: eu-west-1
      AWS_ACCESS_KEY_ID: ${{ secrets.DEPLOYER_ACCESS_KEY_ID }}
      AWS_SECRET_ACCESS_KEY: ${{ secrets.DEPLOYER_ACCESS_SECRET_KEY }}

    steps:
      - name: Install additional dependencies and AWSCLI v2
        run: |
          yum -y install \
            {libuuid,libicu,libedit,sqlite,python,ncurses,openssl}-devel \
            libtool jq zip
          curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"
          unzip awscliv2.zip
          ./aws/install

      - name: Check out repository
        # uses: actions/checkout@v3 Needs node 20 which amazonlinux2 doesn't have
        run: |
          git clone https://github.com/${{ github.repository }}
          cd ${{ github.event.repository.name }}
          git checkout ${{ github.sha }}

      - name: Find package names
        working-directory: ${{ github.event.repository.name }}
        id: find_package_names
        run: |
          echo "names=$(
            swift package describe --type json | \
            jq -r '.targets[] |
              select(
                .type == "executable"
              and
                (.name | endswith("Lambda"))
              ).name' | \
            tr '\n' ' '
          )" >> $GITHUB_OUTPUT

      - name: Build and package
        working-directory: ${{ github.event.repository.name }}
        run: |
          mkdir zips
          for name in ${{ steps.find_package_names.outputs.names }}; do
            swift package archive \
              --output-path ./zips \
              --products "${name}"
            aws s3api put-object \
              --bucket penny-lambdas-store \
              --key "${name}.zip" \
              --body ./zips/${name}/${name}.zip
          done

      - name: Deploy
        working-directory: ${{ github.event.repository.name }}
        run: |
          for name in ${{ steps.find_package_names.outputs.names }}; do
            aws lambda update-function-code \
              --function-name "${name}" \
              --s3-bucket "penny-lambdas-store" \
              --s3-key "${name}.zip"
          done