Update logging example (#162)

Author: giarc3

examples/logging-example/README.md

@@ -28,25 +28,25 @@ configuration with it. This should produce output like:
 Using tenant tenant-gcp-l
 Successfully logged user login event.
 Successfully logged admin add event.
-
 ```
 
 The output "Successfully logged user login event." is printed after successfully sending the login event
 to the TSP. Same thing with "Successfully logged admin add event." but for the add event.
 
 If you look in the TSP logs you should see something like:
 
-```bash
-{"service":"proxy","message":"Security Event Received","level":"INFO","timestamp":"2021-02-16T17:45:57.968113921+00:00","tenant_id":"tenant-gcp-l","rayid":"0cddK3H_8SPxGr_t"}
-{"service":"proxy","message":"{\"iclFields\":{\"dataLabel\":\"PII\",\"requestId\":\"Rq8675309\",\"requestingId\":\"userId1\",\"sourceIp\":\"127.0.0.1\",\"objectId\":\"userId1\",\"event\":\"USER_LOGIN\"},\"customFields\":{\"field2\":\"gumby\",\"field1\":\"gumby\"}}","level":"INFO","timestamp":"2021-02-16T17:45:57.968137530+00:00","tenant_id":"tenant-gcp-l","rayid":"0cddK3H_8SPxGr_t"}
-{"service":"proxy","message":"Security Event Received","level":"INFO","timestamp":"2021-02-16T17:45:57.984058493+00:00","tenant_id":"tenant-gcp-l","rayid":"ScNfti6R0JMZlTQ6"}
-{"service":"proxy","message":"{\"iclFields\":{\"dataLabel\":\"PII\",\"requestId\":null,\"requestingId\":\"adminId1\",\"sourceIp\":null,\"objectId\":null,\"event\":\"USER_ADD\"},\"customFields\":{}}","level":"INFO","timestamp":"2021-02-16T17:45:57.984083531+00:00","tenant_id":"tenant-gcp-l","rayid":"ScNfti6R0JMZlTQ6"}
-{"service":"logdriver","message":"Making request to Stackdriver to write 2 log entries.","level":"INFO","timestamp":"2021-02-16T17:45:58.867370365+00:00","tenant_id":"tenant-gcp-l"}
-{"service":"logdriver","message":"Successfully wrote 2 log entries to Stackdriver.","level":"INFO","timestamp":"2021-02-16T17:45:59.047270024+00:00","tenant_id":"tenant-gcp-l"}
+```
+tenant-security-proxy-1      | {"contexts":"request","level":"INFO","service":"proxy","timestamp":"2026-05-05T17:36:45.634142Z","message":"Security Event Received","name":"request","ray_id":"7kxICOonlsf0Yb_a","tenant_id":"tenant-gcp-l"}
+tenant-security-proxy-1      | {"contexts":"request","level":"INFO","service":"proxy","timestamp":"2026-05-05T17:36:45.634169Z","message":"{\"iclFields\":{\"dataLabel\":\"PII\",\"requestId\":\"Rq8675309\",\"requestingId\":\"userId1\",\"sourceIp\":\"127.0.0.1\",\"objectId\":\"userId1\",\"event\":\"USER_LOGIN\"},\"customFields\":{\"field2\":\"gumby\",\"field1\":\"gumby\"}}","name":"request","ray_id":"7kxICOonlsf0Yb_a","tenant_id":"tenant-gcp-l"}
+tenant-security-proxy-1      | {"contexts":"request","level":"INFO","service":"proxy","timestamp":"2026-05-05T17:36:45.642246Z","message":"Security Event Received","name":"request","ray_id":"hWR9meUHd3j5_n3Z","tenant_id":"tenant-gcp-l"}
+tenant-security-proxy-1      | {"contexts":"request","level":"INFO","service":"proxy","timestamp":"2026-05-05T17:36:45.642269Z","message":"{\"iclFields\":{\"dataLabel\":\"PII\",\"requestId\":null,\"requestingId\":\"adminId1\",\"sourceIp\":null,\"objectId\":null,\"event\":\"USER_ADD\"},\"customFields\":{}}","name":"request","ray_id":"hWR9meUHd3j5_n3Z","tenant_id":"tenant-gcp-l"}
+tenant-security-logdriver-1  | {"contexts":"main;batching;tenant","level":"INFO","service":"logdriver","timestamp":"2026-05-05T17:36:47.663634676Z","message":"BATCH: 2 log events received for an unknown tenant. Using a stdout logger for this tenant.","name":"tenant","tenant_id":"tenant-gcp-l"}
+tenant-security-logdriver-1  | {"contexts":"main;batching;stdout client;write-entries","level":"INFO","service":"logdriver","timestamp":"2026-05-05T17:36:47.663797301Z","message":"{\"tenantId\":\"tenant-gcp-l\",\"timestamp\":\"2026-05-05T17:36:45.576Z\",\"iclFields\":{\"logdriverRayId\":\"bAZjbUAXfSkTfOwh\",\"event\":\"USER_LOGIN\",\"requestingId\":\"userId1\",\"dataLabel\":\"PII\",\"objectId\":\"userId1\",\"requestId\":\"Rq8675309\",\"sourceIp\":\"127.0.0.1\",\"tspRayId\":\"ray_id\"},\"customFields\":{\"field2\":\"gumby\",\"field1\":\"gumby\"}}","name":"write-entries"}
+tenant-security-logdriver-1  | {"contexts":"main;batching;stdout client;write-entries","level":"INFO","service":"logdriver","timestamp":"2026-05-05T17:36:47.663823051Z","message":"{\"tenantId\":\"tenant-gcp-l\",\"timestamp\":\"2026-05-05T17:36:45.640Z\",\"iclFields\":{\"event\":\"USER_ADD\",\"dataLabel\":\"PII\",\"logdriverRayId\":\"wGC7kDMkGf-1l0uo\",\"requestingId\":\"adminId1\",\"tspRayId\":\"ray_id\"},\"customFields\":{}}","name":"write-entries"}
 ```
 
-This shows the TSP receiving these events, batching them up together, and sending them successfully to Stackdriver (the configured log sink for
-`tenant-gcp-l`).
+This shows the TSP receiving these events, batching them up together, and sending them successfully to Logdriver. Because this tenant does not have a log sink configured,
+the security events will be output to Logdriver's stdout logs.
 
 If you would like to experiment with a different tenant, just do: