chore: document dash0.auth.token

Author: mmanciop

model/logging/attributes.yaml

@@ -17,6 +17,7 @@ groups:
       - ref: dash0.log.ai.attributes_inferred
       - ref: dash0.log.ai.message_inferred
       - ref: dash0.log.ai.severity_inferred
+      - ref: dash0.auth.token
       - ref: dash0.resource.id
       - ref: dash0.resource.hash
       - ref: dash0.resource.name

model/metrics/attributes.yaml

@@ -13,6 +13,7 @@ groups:
       - ref: otel.metric.overflow
       - ref: otel.scope.name
       - ref: otel.scope.version
+      - ref: dash0.auth.token
       - ref: dash0.resource.id
       - ref: dash0.resource.hash
       - ref: dash0.resource.name

model/registry/resource-attributes.yaml

@@ -6,6 +6,16 @@ groups:
     display_name: Dash0 Resource Attributes
     brief: Resource attributes assigned by Dash0 at ingestion time.
     attributes:
+      - id: dash0.auth.token
+        type: string
+        stability: stable
+        brief: >
+          Last 7 digits of the authentication token used to submit the telemetry to Dash0.
+        note: |
+          Set at ingestion time by the Dash0 backend.
+          Useful for identifying which token was used when multiple authentication tokens are in use.
+        examples: ["abc1234"]
+
       - id: dash0.resource.id
         type: string
         stability: stable

model/tracing/attributes.yaml

@@ -20,6 +20,7 @@ groups:
       - ref: dash0.span.type
       - ref: dash0.operation.name
       - ref: dash0.operation.type
+      - ref: dash0.auth.token
       - ref: dash0.resource.id
       - ref: dash0.resource.hash
       - ref: dash0.resource.name

model/websites/attributes.yaml

@@ -10,6 +10,7 @@ groups:
       - ref: otel.event.name
       - ref: otel.scope.name
       - ref: otel.scope.version
+      - ref: dash0.auth.token
       - ref: dash0.resource.id
       - ref: dash0.resource.hash
       - ref: dash0.resource.name