feat(chart): export the agentgateway access log over otlp

charts/substrate/README.md

@@ -42,4 +42,4 @@ See `values.yaml` for the full set; the important keys:
 | `rustfs.enabled` | `true` | Deploy an in-cluster S3-compatible RustFS bucket for snapshots |
 | `atelet.storageBackend` | `s3` | Default snapshot backend, wired to RustFS when `rustfs.enabled=true` |
 | `atelet.gcpAuthForImagePulls` | `false` | Enable only when using GCP registry auth |
-| `otel.endpoint` | `""` | Set to an OTLP endpoint to export traces/metrics |
+| `otel.endpoint` | `""` | Set to an OTLP endpoint to export traces, metrics and the router access log |

charts/substrate/templates/atenet-router.yaml

@@ -42,6 +42,13 @@ data:
         host: $AGENTGATEWAY_OTLP_ADDRESS
         protocol: grpc
         randomSampling: 0.01
+      # Unsampled per-request access log. It carries the ate.* actor
+      # attribution, which the 1%-sampled traces cannot be aggregated on.
+      # `fields` stays unset so the OTLP sink inherits the full field set.
+      accessLog:
+        otlp:
+          host: $AGENTGATEWAY_OTLP_ADDRESS
+          protocol: grpc
 {{- end }}
 
     backends:

manifests/ate-install/kind/otel-collector.yaml

@@ -93,6 +93,12 @@ data:
           receivers: [otlp]
           processors: [batch]
           exporters: [prometheus, debug]
+        # The router access log arrives here. Without a logs pipeline the
+        # receiver rejects the export and the records are lost silently.
+        logs:
+          receivers: [otlp]
+          processors: [batch]
+          exporters: [debug]
 
         # The count pipelines read the same receiver as the two pipelines
         # above, and they only count. The connector declares MutatesData