_deploy-shared.yml

name: '(shared functionality) Deploy'

on:
  workflow_call:
    inputs:
      GITHUB_ACTIONS_ENVIRONMENT:
        required: true
        type: string
      EB_APP_NAME:
        required: true
        type: string
      EB_ENVIRONMENT_NAME:
        required: true
        type: string
      EB_CODE_BUCKET:
        required: true
        type: string
    secrets:
      AWS_ACCESS_KEY_ID:
        required: true
      AWS_SECRET_ACCESS_KEY:
        required: true

env:
  AWS_DEFAULT_REGION: eu-west-2
  TERRAFORM_STATE_BUCKET: uk-gov-equality-hub-terraform-state-bucket

jobs:
  deploy:
    name: 'Deploy (${{ inputs.GITHUB_ACTIONS_ENVIRONMENT }})'
    runs-on: ubuntu-latest
    environment: ${{ inputs.GITHUB_ACTIONS_ENVIRONMENT }}

    env:
      AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
      AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
      AWS_DEFAULT_REGION: eu-west-2
      ZIP_FILE_NAME: "run${{ github.run_id }}_${{ inputs.GITHUB_ACTIONS_ENVIRONMENT }}_attempt${{ github.run_attempt }}.zip"
      EB_VERSION_LABEL: "v_run${{ github.run_id }}_${{ inputs.GITHUB_ACTIONS_ENVIRONMENT }}_attempt${{ github.run_attempt }}"

    steps:
      - name: 'Download build zip from GitHub Actions artifacts'
        uses: actions/download-artifact@v4
        with:
          name: build-zip

      - name: 'Copy the zip file to AWS S3'
        run: |
          aws s3 cp ./build.zip "s3://${{ inputs.EB_CODE_BUCKET }}/${{ env.ZIP_FILE_NAME }}"

      - name: 'Create Elastic Beanstalk application version'
        run: |
          aws elasticbeanstalk create-application-version --application-name "${{ inputs.EB_APP_NAME }}" --version-label "${{ env.EB_VERSION_LABEL }}" --source-bundle "S3Bucket=${{ inputs.EB_CODE_BUCKET }},S3Key=${{ env.ZIP_FILE_NAME }}"

      - name: 'Deploy new version to Elastic Beanstalk instances'
        run: |
          aws elasticbeanstalk update-environment --application-name "${{ inputs.EB_APP_NAME }}" --environment-name "${{ inputs.EB_ENVIRONMENT_NAME }}" --version-label "${{ env.EB_VERSION_LABEL }}"

      - name: 'Wait for the Elastic Beanstalk environment to finish updating (to prevent us trying to deploy two changes at once)'
        run: |
          aws elasticbeanstalk wait environment-updated --application-name "${{ inputs.EB_APP_NAME }}" --environment-name "${{ inputs.EB_ENVIRONMENT_NAME }}" --version-label "${{ env.EB_VERSION_LABEL }}"