[8.x](backport #2528) Fix GCP asset inventory CI (#2537)

.github/actions/gcp-asset-inventory-ci/action.yml

@@ -35,9 +35,10 @@ runs:
       run: |
         ./cloudbeat -c deploy/asset-inventory/cloudbeat-gcp-asset-inventory.yml -d '*' &
 
-    - name: Wait for cloudbeat to send some events
-      shell: bash
-      run: sleep 20
+    - name: Wait for data
+      uses: ./.github/actions/wait-for-es-data
+      with:
+        index: .ds-logs-cloud_asset_inventory.asset_inventory-*
 
     - name: Check for assets
       working-directory: ./tests

.github/actions/wait-for-es-data/action.yml

@@ -0,0 +1,39 @@
+name: "Wait for ES Data"
+description: "Waits for data on ES indices"
+inputs:
+  index:
+    description: "Which ES index to look at"
+    required: true
+  es_host:
+    description: "the ES host URL"
+    default: "http://localhost:9200"
+  retries:
+    description: "How many times to retry checking for data. (1s interval)"
+    default: "100"
+
+runs:
+  using: composite
+  steps:
+    - name: Wait for data
+      shell: bash
+      run: |
+        URL="${{inputs.es_host}}/${{ inputs.index }}/_search?size=0"
+        HEADER="Content-Type: application/json"
+        MAX_RETRIES=${{inputs.retries}}
+
+        echo "Checking index: ${{ inputs.index }}"
+
+        for ((i = 1; i <= MAX_RETRIES; i++)); do
+            result=$(curl -s -X GET "$URL" -H "$HEADER" | jq '.hits.total.value')
+
+            if [ "$result" -gt 0 ]; then
+                echo "Data found: $result documents in index ${{ inputs.index }}"
+                exit 0
+            fi
+
+            echo "No data yet. Retrying in 1s... ($i/$MAX_RETRIES)"
+            sleep 1
+        done
+
+        echo "No data found after $MAX_RETRIES retries."
+        exit 1