[DebugExporter] Add EventName from LogRecord to output

.chloggen/add-eventname-debug-exporter.yaml

@@ -0,0 +1,25 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: enhancement
+
+# The name of the component, or a single word describing the area of concern, (e.g. otlpreceiver)
+component: debugexporter
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: "Add EventName to debug exporter for Logs. EventName was added as top-level field in the LogRecord from 1.5.0 of proto definition."
+
+# One or more tracking issues or pull requests related to the change
+issues: [11966]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
+
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: []

examples/local/otel-config.yaml

@@ -33,5 +33,9 @@ service:
       receivers: [otlp]
       processors: [memory_limiter, batch]
       exporters: [debug]
+    logs:
+      receivers: [otlp]
+      processors: [memory_limiter, batch]
+      exporters: [debug]
 
   extensions: [zpages]

exporter/debugexporter/internal/otlptext/logs.go

@@ -38,6 +38,9 @@
 				buf.logEntry("Timestamp: %s", lr.Timestamp())
 				buf.logEntry("SeverityText: %s", lr.SeverityText())
 				buf.logEntry("SeverityNumber: %s(%d)", lr.SeverityNumber(), lr.SeverityNumber())
+				if lr.EventName() != "" {
+					buf.logEntry("EventName: %s", lr.EventName())
+				}
 				buf.logEntry("Body: %s", valueToString(lr.Body()))
 				buf.logAttributes("Attributes", lr.Attributes())
 				buf.logEntry("Trace ID: %s", lr.TraceID())