CI: upload test results to datadog (#17438)

Co-authored-by: John Murret <john.murret@hashicorp.com>

.github/workflows/test-integrations.yml

@@ -452,6 +452,9 @@ jobs:
     needs:
       - setup
       - dev-build
+    permissions:
+      id-token: write # NOTE: this permission is explicitly required for Vault auth.
+      contents: read
     strategy:
       fail-fast: false
       matrix:
@@ -527,10 +530,35 @@ jobs:
           COMPOSE_INTERACTIVE_NO_CLI: 1
           # tput complains if this isn't set to something.
           TERM: ansi
-      - uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce # v3.1.2
+      # NOTE: ENT specific step as we store secrets in Vault.
+      - name: Authenticate to Vault
+        if: ${{ endsWith(github.repository, '-enterprise') }}
+        id: vault-auth
+        run: vault-auth
+
+      # NOTE: ENT specific step as we store secrets in Vault.
+      - name: Fetch Secrets
+        if: ${{ endsWith(github.repository, '-enterprise') }}
+        id: secrets
+        uses: hashicorp/vault-action@v2.5.0
         with:
-          name: ${{ env.TEST_RESULTS_ARTIFACT_NAME }}
-          path: ${{ env.TEST_RESULTS_DIR }}
+          url: ${{ steps.vault-auth.outputs.addr }}
+          caCertificate: ${{ steps.vault-auth.outputs.ca_certificate }}
+          token: ${{ steps.vault-auth.outputs.token }}
+          secrets: |
+              kv/data/github/${{ github.repository }}/datadog apikey | DATADOG_API_KEY;
+
+      - name: prepare datadog-ci
+        if: ${{ !endsWith(github.repository, '-enterprise') }}
+        run: |
+          curl -L --fail "https://github.com/DataDog/datadog-ci/releases/latest/download/datadog-ci_linux-x64" --output "/usr/local/bin/datadog-ci"
+          chmod +x /usr/local/bin/datadog-ci
+
+      - name: upload coverage
+        env:
+          DATADOG_API_KEY: "${{ endsWith(github.repository, '-enterprise') && env.DATADOG_API_KEY || secrets.DATADOG_API_KEY }}"
+          DD_ENV: ci
+        run: datadog-ci junit upload --service "$GITHUB_REPOSITORY" $TEST_RESULTS_DIR/results.xml
 
   test-integrations-success:
     needs: