deploy-dynamic-env-proxy.yaml

name: Deploy dynamic PR environment proxy
run-name: Deploy proxy for PR environment on internal-dev by @${{ github.actor }}

on:
  workflow_dispatch:
    inputs:
      build_sandbox:
        description: Build sandbox container?
        required: false
        default: false
        type: boolean

permissions:
  contents: read
  packages: read

jobs:
  deploy-pr-proxy:
    runs-on: ubuntu-latest
    name: Deploy proxy to dynamic PR environment
    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6

      - name: Install dependencies
        uses: ./.github/actions/node-install
        with:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Resolve nodejs version
        id: toolversions
        run: echo "nodejs_version=$(grep '^nodejs\s' .tool-versions | cut -f2 -d' ')" >>
          "$GITHUB_OUTPUT"

      - name: "Check if pull request exists for this branch and set
          ENVIRONMENT/APIM_ENV"
        id: pr_exists
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          branch_name=${GITHUB_HEAD_REF:-$(echo $GITHUB_REF | sed 's#refs/heads/##')}
          echo "Current branch is '$branch_name'"

          ENVIRONMENT="internal-dev"

          pr_json=$(gh pr list --head "$branch_name" --state open --json number --limit 1)
          pr_number=$(echo "$pr_json" | jq -r '.[0].number // empty')

          if [[ -n "$pr_number" ]]; then
            echo "Pull request exists: #$pr_number"
            echo "does_pull_request_exist=true" >> $GITHUB_OUTPUT
            echo "pr_number=$pr_number" >> $GITHUB_OUTPUT
            APIM_ENV="$ENVIRONMENT-pr"
            # changing environment variable so that PR number is used in proxy pipeline for setting env vars
            ENVIRONMENT="pr$pr_number"
          else
            echo "[ERROR] Pull request $pr_number doesn't exist."
            exit 1
          fi

          echo "ENVIRONMENT=$ENVIRONMENT" >> $GITHUB_ENV
          echo "APIM_ENV=$APIM_ENV" >> $GITHUB_ENV

      - name: Build OAS spec
        uses: ./.github/actions/build-oas-spec
        with:
          version: "pr${{ steps.pr_exists.outputs.pr_number }}"
          apimEnv: "${{ env.APIM_ENV }}"
          buildSandbox: ${{ inputs.build_sandbox }}
          nodejs_version: ${{ steps.toolversions.outputs.nodejs_version }}
          NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Deploy proxy
        env:
          PROXYGEN_API_NAME: nhs-notify-supplier
          PR_NUMBER: ${{ steps.pr_exists.outputs.pr_number }}
          APP_CLIENT_ID: ${{ secrets.APP_CLIENT_ID }}
          APP_PEM_FILE: ${{ secrets.APP_PEM_FILE }}
        uses: ./.github/actions/build-proxies
        with:
          targetComponent: api
          environment: "${{ env.ENVIRONMENT }}"
          apimEnv: "${{ env.APIM_ENV }}"
          runId: "${{ github.run_id }}"
          buildSandbox: ${{ inputs.build_sandbox }}
          releaseVersion: ${{ github.ref_name }}
          version: "pr${{ steps.pr_exists.outputs.pr_number }}"