add test script

generate-traffic.sh

@@ -0,0 +1,95 @@
+#!/usr/bin/env bash
+# generate-traffic.sh — Sends a mix of orders to the Quarkus demo app
+# to produce metrics, traces, and logs for the troubleshooting session.
+#
+# Usage: bash scripts/generate-traffic.sh [BASE_URL] [ITERATIONS]
+#
+# Prerequisites: curl, jq (optional for pretty output)
+
+set -euo pipefail
+
+BASE_URL="${1:-http://localhost:8080}"
+ITERATIONS="${2:-100}"
+
+PRODUCTS=("laptop" "keyboard" "mouse" "monitor" "headset" "webcam")
+CUSTOMERS=("cust-001" "cust-002" "cust-003" "cust-004" "cust-005")
+
+PRICES_laptop=999.99
+PRICES_keyboard=79.99
+PRICES_mouse=49.99
+PRICES_monitor=349.99
+PRICES_headset=129.99
+PRICES_webcam=89.99
+
+echo "========================================="
+echo " OTel Demo Traffic Generator"
+echo " Target:     ${BASE_URL}"
+echo " Iterations: ${ITERATIONS}"
+echo "========================================="
+echo ""
+
+success=0
+errors=0
+
+for i in $(seq 1 "$ITERATIONS"); do
+    # Pick a random product and customer
+    product=${PRODUCTS[$((RANDOM % ${#PRODUCTS[@]}))]}
+    customer=${CUSTOMERS[$((RANDOM % ${#CUSTOMERS[@]}))]}
+
+    # Vary quantity — occasionally large orders to trigger "complex" processing
+    if (( RANDOM % 5 == 0 )); then
+        quantity=$((RANDOM % 20 + 6))   # 6-25 items (complex)
+    else
+        quantity=$((RANDOM % 5 + 1))    # 1-5 items (simple)
+    fi
+
+    # Look up price
+    price_var="PRICES_${product}"
+    unit_price="${!price_var}"
+
+    # Send the order
+    status=$(curl -s -o /dev/null -w "%{http_code}" \
+        -X POST "${BASE_URL}/api/orders" \
+        -H "Content-Type: application/json" \
+        -d "{
+            \"customerId\": \"${customer}\",
+            \"product\": \"${product}\",
+            \"quantity\": ${quantity},
+            \"unitPrice\": ${unit_price}
+        }" 2>/dev/null || echo "000")
+
+    if [[ "$status" =~ ^2 ]]; then
+        ((success++))
+        echo "[${i}/${ITERATIONS}] ✓ ${status} — ${product} x${quantity} for ${customer}"
+    else
+        ((errors++))
+        echo "[${i}/${ITERATIONS}] ✗ ${status} — ${product} x${quantity} for ${customer}"
+    fi
+
+    # Small delay to spread the load
+    sleep "0.$((RANDOM % 5 + 1))"
+done
+
+echo ""
+echo "========================================="
+echo " Results"
+echo " Successful: ${success}"
+echo " Errors:     ${errors}"
+echo " Total:      ${ITERATIONS}"
+echo "========================================="
+echo ""
+
+# Also hit the list and inventory endpoints
+echo "Fetching order list..."
+curl -s "${BASE_URL}/api/orders" | head -c 500
+echo ""
+
+echo "Fetching inventory levels..."
+curl -s "${BASE_URL}/api/inventory"
+echo ""
+
+echo ""
+echo "Done! Open Grafana at http://localhost:3000 to explore:"
+echo "  → Explore → Prometheus: rate(orders_total[5m])"
+echo "  → Explore → Tempo: { resource.service.name = \"otel-quarkus-demo\" }"
+echo "  → Explore → Loki: {service_name=\"otel-quarkus-demo\"}"