[Azure Monitor OpenTelemetry Exporter] Capture Measurements when Creating Logs

sdk/monitor/monitor-opentelemetry-exporter/CHANGELOG.md

@@ -1,5 +1,11 @@
 # Release History
 
+## Unreleased ()
+
+### Features Added
+
+- Capture and export measurements when creating log records from the Application Insights 3.X SDK.
+
 ## 1.0.0-beta.22 (2024-04-16)
 
 ### Features Added

sdk/monitor/monitor-opentelemetry-exporter/src/utils/logUtils.ts

@@ -45,7 +45,7 @@ export function logToEnvelope(log: ReadableLogRecord, ikey: string): Envelope |
   const sampleRate = 100;
   const instrumentationKey = ikey;
   const tags = createTagsFromLog(log);
-  const [properties, measurements] = createPropertiesFromLog(log);
+  let [properties, measurements] = createPropertiesFromLog(log);
   let name: string;
   let baseType: string;
   let baseData: MonitorDomain;
@@ -85,6 +85,7 @@ export function logToEnvelope(log: ReadableLogRecord, ikey: string): Envelope |
     baseType = String(log.attributes[ApplicationInsightsBaseType]);
     name = getLegacyApplicationInsightsName(log);
     baseData = getLegacyApplicationInsightsBaseData(log);
+    measurements = getLegacyApplicationInsightsMeasurements(log);
     if (!baseData) {
       // Failed to parse log
       return;
@@ -180,6 +181,14 @@ function getLegacyApplicationInsightsName(log: ReadableLogRecord): string {
   return name;
 }
 
+function getLegacyApplicationInsightsMeasurements(log: ReadableLogRecord): Measurements {
+  let measurements: Measurements = {};
+  if ((log.body as MonitorDomain)?.measurements) {
+    measurements = { ...(log.body as MonitorDomain).measurements };
+  }
+  return measurements;
+}
+
 function getLegacyApplicationInsightsBaseData(log: ReadableLogRecord): MonitorDomain {
   let baseData: MonitorDomain = {
     version: 2,

sdk/monitor/monitor-opentelemetry-exporter/test/internal/logUtils.test.ts

@@ -114,7 +114,7 @@ describe("logUtils.ts", () => {
         severityLevel: `Information`,
         version: 2,
         properties: expectedProperties,
-        measurements: {},
+        measurements: emptyMeasurements,
       };
 
       const envelope = logToEnvelope(testLogRecord as ReadableLogRecord, "ikey");
@@ -178,6 +178,7 @@ describe("logUtils.ts", () => {
       const data: MessageData = {
         message: "testMessage",
         severityLevel: "Verbose",
+        measurements: { testMeasurement: 1 },
         version: 2,
       };
       testLogRecord.attributes = {
@@ -192,12 +193,15 @@ describe("logUtils.ts", () => {
         "extra.attribute": "foo",
         [SemanticAttributes.MESSAGE_TYPE]: "test message type",
       };
+      const expectedMeasurements: Measurements = {
+        testMeasurement: 1,
+      };
       const expectedBaseData: Partial<MessageData> = {
         message: `testMessage`,
         severityLevel: `Verbose`,
         version: 2,
         properties: expectedProperties,
-        measurements: {},
+        measurements: expectedMeasurements,
       };
 
       const envelope = logToEnvelope(testLogRecord as ReadableLogRecord, "ikey");
@@ -207,7 +211,7 @@ describe("logUtils.ts", () => {
         100,
         "MessageData",
         expectedProperties,
-        emptyMeasurements,
+        expectedMeasurements,
         expectedBaseData,
         expectedTime,
       );