(ELI-444) added automatic test deployment of the same tag that triggered it

Author: TOEL2

.github/workflows/cicd-3-test_auto.yaml

@@ -0,0 +1,104 @@
+name: "Auto Deploy to test"
+
+on:
+  workflow_run:
+    workflows: ["CI/CD publish"]
+    types: [completed]
+
+concurrency:
+  group: terraform-deploy-test
+  cancel-in-progress: false
+
+permissions:
+  contents: read
+  id-token: write
+  actions: read
+
+jobs:
+  metadata:
+    name: "Resolve metadata from triggering run"
+    runs-on: ubuntu-latest
+    if: >
+      ${{
+        github.event.workflow_run.conclusion == 'success' &&
+        github.event.workflow_run.head_branch == 'main'
+      }}
+    outputs:
+      terraform_version: ${{ steps.vars.outputs.terraform_version }}
+      tag: ${{ steps.tag.outputs.name }}
+    steps:
+      - name: "Checkout exact commit from CI/CD publish"
+        uses: actions/checkout@v5
+        with:
+          ref: ${{ github.event.workflow_run.head_sha }}
+
+      - name: "Set CI/CD variables"
+        id: vars
+        run: |
+          echo "terraform_version=$(grep '^terraform' .tool-versions | cut -f2 -d' ')" >> $GITHUB_OUTPUT
+
+      - name: "Resolve the dev-* tag for this commit"
+        id: tag
+        run: |
+          git fetch --tags --force
+          SHA="${{ github.event.workflow_run.head_sha }}"
+          TAG=$(git tag --points-at "$SHA" | grep '^dev-' | head -n1 || true)
+          if [ -z "$TAG" ]; then
+            echo "No dev-* tag found on $SHA" >&2
+            exit 1
+          fi
+          echo "name=$TAG" >> $GITHUB_OUTPUT
+          echo "Resolved tag: $TAG"
+
+  deploy:
+    name: "Deploy to TEST (approval required)"
+    runs-on: ubuntu-latest
+    needs: [metadata]
+    environment: test
+    permissions:
+      id-token: write
+      contents: read
+    steps:
+      - name: "Checkout same commit"
+        uses: actions/checkout@v5
+        with:
+          ref: ${{ github.event.workflow_run.head_sha }}
+
+      - name: "Setup Terraform"
+        uses: hashicorp/setup-terraform@v3
+        with:
+          terraform_version: ${{ needs.metadata.outputs.terraform_version }}
+
+      - name: "Set up Python"
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.13"
+
+      - name: "Configure AWS Credentials"
+        uses: aws-actions/configure-aws-credentials@v4
+        with:
+          role-to-assume: arn:aws:iam::${{ secrets.AWS_ACCOUNT_ID }}:role/service-roles/github-actions-api-deployment-role
+          aws-region: eu-west-2
+
+      - name: "Build lambda artefact (rebuild in TEST)"
+        run: |
+          make dependencies install-python
+          make build
+
+      - name: "Terraform Apply (TEST)"
+        env:
+          ENVIRONMENT: test
+          WORKSPACE: "default"
+          TF_VAR_API_CA_CERT: ${{ secrets.API_CA_CERT }}
+          TF_VAR_API_CLIENT_CERT: ${{ secrets.API_CLIENT_CERT }}
+          TF_VAR_API_PRIVATE_KEY_CERT: ${{ secrets.API_PRIVATE_KEY_CERT }}
+          TF_VAR_SPLUNK_HEC_TOKEN: ${{ secrets.SPLUNK_HEC_TOKEN }}
+          TF_VAR_SPLUNK_HEC_ENDPOINT: ${{ secrets.SPLUNK_HEC_ENDPOINT }}
+        run: |
+          mkdir -p ./build
+          echo "Deploying tag: ${{ needs.metadata.outputs.tag }}"
+          echo "Running: make terraform env=$ENVIRONMENT workspace=$WORKSPACE stack=networking tf-command=apply"
+          make terraform env=$ENVIRONMENT stack=networking tf-command=apply workspace=$WORKSPACE
+          echo "Running: make terraform env=$ENVIRONMENT workspace=$WORKSPACE stack=api-layer tf-command=apply"
+          make terraform env=$ENVIRONMENT stack=api-layer tf-command=apply workspace=$WORKSPACE
+        working-directory: ./infrastructure