feat(auto-instrumentation-node): add azure detector (#2101)

The Azure detectors were not being added to the list of possible detectors. All other cloud providers
were possible values, so this commit adds the missing detectors for Azure.

Signed-off-by: maryliag <marylia.gutierrez@grafana.com>
Co-authored-by: Amir Blum <amirgiraffe@gmail.com>

metapackages/auto-instrumentations-node/README.md

@@ -65,6 +65,7 @@ By default, all SDK resource detectors are used, but you can use the environment
 - `container`
 - `alibaba`
 - `aws`
+- `azure`
 - `gcp`
 - `all` - enable all resource detectors
 - `none` - disable resource detection

metapackages/auto-instrumentations-node/package.json

@@ -89,6 +89,7 @@
     "@opentelemetry/instrumentation-winston": "^0.37.0",
     "@opentelemetry/resource-detector-alibaba-cloud": "^0.28.9",
     "@opentelemetry/resource-detector-aws": "^1.4.2",
+    "@opentelemetry/resource-detector-azure": "^0.2.6",
     "@opentelemetry/resource-detector-container": "^0.3.9",
     "@opentelemetry/resource-detector-gcp": "^0.29.9",
     "@opentelemetry/resources": "^1.12.0",

metapackages/auto-instrumentations-node/src/utils.ts

@@ -73,6 +73,11 @@ import {
   osDetectorSync,
   processDetectorSync,
 } from '@opentelemetry/resources';
+import {
+  azureAppServiceDetector,
+  azureFunctionsDetector,
+  azureVmDetector,
+} from '@opentelemetry/resource-detector-azure';
 
 const RESOURCE_DETECTOR_CONTAINER = 'container';
 const RESOURCE_DETECTOR_ENVIRONMENT = 'env';
@@ -81,6 +86,7 @@ const RESOURCE_DETECTOR_OS = 'os';
 const RESOURCE_DETECTOR_PROCESS = 'process';
 const RESOURCE_DETECTOR_ALIBABA = 'alibaba';
 const RESOURCE_DETECTOR_AWS = 'aws';
+const RESOURCE_DETECTOR_AZURE = 'azure';
 const RESOURCE_DETECTOR_GCP = 'gcp';
 
 const InstrumentationMap = {
@@ -196,7 +202,7 @@ function getEnabledInstrumentationsFromEnv() {
 export function getResourceDetectorsFromEnv(): Array<Detector | DetectorSync> {
   const resourceDetectors = new Map<
     string,
-    Detector | DetectorSync | Detector[]
+    Detector | DetectorSync | Detector[] | DetectorSync[]
   >([
     [RESOURCE_DETECTOR_CONTAINER, containerDetector],
     [RESOURCE_DETECTOR_ENVIRONMENT, envDetectorSync],
@@ -215,6 +221,10 @@ export function getResourceDetectorsFromEnv(): Array<Detector | DetectorSync> {
         awsLambdaDetector,
       ],
     ],
+    [
+      RESOURCE_DETECTOR_AZURE,
+      [azureAppServiceDetector, azureFunctionsDetector, azureVmDetector],
+    ],
   ]);
 
   const resourceDetectorsFromEnv =

metapackages/auto-instrumentations-node/test/utils.test.ts

@@ -114,13 +114,13 @@ describe('utils', () => {
 
   describe('getResourceDetectorsFromEnv', () => {
     it('should return all resource detectors by default', () => {
-      assert.equal(getResourceDetectorsFromEnv().length, 12);
+      assert.equal(getResourceDetectorsFromEnv().length, 15);
     });
 
     it('should return all resource detectors when OTEL_NODE_RESOURCE_DETECTORS contains "all"', () => {
       process.env.OTEL_NODE_RESOURCE_DETECTORS = 'all';
 
-      assert.equal(getResourceDetectorsFromEnv().length, 12);
+      assert.equal(getResourceDetectorsFromEnv().length, 15);
 
       delete process.env.OTEL_NODE_RESOURCE_DETECTORS;
     });