Add SDK prefix

sdk/monitor/azure-monitor-opentelemetry-autoconfigure/src/main/java/com/azure/monitor/opentelemetry/autoconfigure/implementation/utils/VersionGenerator.java

@@ -25,8 +25,34 @@ public final class VersionGenerator {
         artifactName = properties.get("name");
         artifactVersion = properties.get("version");
 
-        sdkVersionString = "java" + getJavaVersion() + getJavaRuntime() + ":" + "otel" + getOpenTelemetryApiVersion()
-            + ":" + "ext" + artifactVersion;
+        sdkVersionString = getPrefix() + "java" + getJavaVersion() + getJavaRuntime() + ":" + "otel"
+            + getOpenTelemetryApiVersion() + ":" + "ext" + artifactVersion;
+    }
+
+    private static String getPrefix() {
+        return getResourceProvider() + getOs() + "_";
+    }
+
+    private static String getResourceProvider() {
+        if ("java".equals(System.getenv("FUNCTIONS_WORKER_RUNTIME"))) {
+            return "f";
+        } else if (!Strings.isNullOrEmpty(System.getenv("WEBSITE_SITE_NAME"))) {
+            return "a";
+        } else if (!Strings.isNullOrEmpty(System.getenv("APPLICATIONINSIGHTS_SPRINGCLOUD_SERVICE_ID"))) {
+            return "s";
+        } else if (!Strings.isNullOrEmpty(System.getenv("AKS_ARM_NAMESPACE_ID"))) {
+            return "k";
+        }
+        return "u";
+    }
+
+    private static String getOs() {
+        if (SystemInformation.isWindows()) {
+            return "w";
+        } else if (SystemInformation.isLinux()) {
+            return "l";
+        }
+        return "u";
     }
 
     /**

sdk/monitor/azure-monitor-opentelemetry-autoconfigure/src/test/java/com/azure/monitor/opentelemetry/autoconfigure/implementation/utils/VersionTest.java

@@ -23,6 +23,6 @@ public void testArtifactVersion() {
     public void testSdkVersion() {
         // OpenTelemetry added version.properties files in 1.3.0
         // but testing against OpenTelemetry 1.0.0, so it's unknown in this test
-        assertTrue(VersionGenerator.getSdkVersion().matches("java[0-9._]+:otel([0-9.]+|unknown):ext[0-9.]+.*"));
+        assertTrue(VersionGenerator.getSdkVersion().matches(".._java[0-9._]+:otel([0-9.]+|unknown):ext[0-9.]+.*"));
     }
 }