fixing Trace Bullet

scripts/smoke/zipkin_smoke.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+GATEWAY_URL=${GATEWAY_URL:-http://localhost:8081}
+ZIPKIN_URL=${ZIPKIN_URL:-http://localhost:9411}
+
+echo "[Smoke] Triggering ping via Gateway..."
+curl -sf "$GATEWAY_URL/api/ping/ping" > /dev/null || {
+  echo "[Smoke][FAIL] Gateway ping failed" >&2
+  exit 1
+}
+
+# Give Zipkin a moment to receive spans
+sleep 1
+
+echo "[Smoke] Checking for recent traces in Zipkin..."
+TRACES_JSON=$(curl -sf "$ZIPKIN_URL/api/v2/traces?limit=5") || {
+  echo "[Smoke][FAIL] Zipkin API not reachable" >&2
+  exit 1
+}
+
+# Very lightweight check: ensure at least one trace contains api-gateway or ping-service
+if echo "$TRACES_JSON" | grep -E 'api-gateway|ping-service' -q; then
+  echo "[Smoke][OK] Traces found for api-gateway/ping-service"
+  exit 0
+else
+  echo "[Smoke][WARN] No traces for api-gateway/ping-service in the last results" >&2
+  # Not a hard failure; Zipkin may be delayed. Exit non-zero to be strict in CI
+  exit 2
+fi