Add managed identity

Author: dingmeng-xue

java-17-sample/pom.xml

@@ -35,6 +35,10 @@
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
         </dependency>
+        <dependency>
+            <groupId>com.azure</groupId>
+            <artifactId>azure-identity</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
@@ -43,7 +47,7 @@
         <dependency>
             <groupId>com.fasterxml.woodstox</groupId>
             <artifactId>woodstox-core</artifactId>
-            <version>6.4.0</version>
+            <version>7.1.0</version>
         </dependency>
     </dependencies>
 
@@ -52,14 +56,21 @@
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-dependencies</artifactId>
-                <version>3.3.3</version>
+                <version>3.4.1</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
             <dependency>
                 <groupId>org.springframework.cloud</groupId>
                 <artifactId>spring-cloud-dependencies</artifactId>
-                <version>2023.0.3</version>
+                <version>2024.0.0</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+            <dependency>
+                <groupId>com.azure</groupId>
+                <artifactId>azure-sdk-bom</artifactId>
+                <version>1.2.30</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>

java-17-sample/src/main/java/com/azure/asa/sample/EurekaController.java

@@ -13,7 +13,7 @@
 @RestController
 public class EurekaController {
 
-    @Autowired
+    @Autowired(required = false)
     private EurekaClient discoveryClient;
 
     @GetMapping("/eureka")

java-17-sample/src/main/java/com/azure/asa/sample/ManagedIdentityTestController.java

@@ -0,0 +1,26 @@
+package com.azure.asa.sample;
+
+import com.azure.core.credential.AccessToken;
+import com.azure.core.credential.TokenRequestContext;
+import com.azure.identity.ManagedIdentityCredential;
+import com.azure.identity.ManagedIdentityCredentialBuilder;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class ManagedIdentityTestController {
+
+    @GetMapping("/mi/token")
+    public String getAccessToken(@RequestParam(name = "client-id", required = false) String clientId) {
+        ManagedIdentityCredentialBuilder managedIdentityCredentialBuilder = new ManagedIdentityCredentialBuilder();
+        if(clientId != null) {
+            managedIdentityCredentialBuilder.clientId(clientId);
+        }
+        ManagedIdentityCredential managedIdentityCredential  = managedIdentityCredentialBuilder.build();
+        AccessToken accessToken = managedIdentityCredential.getToken(new TokenRequestContext().addScopes("https://management.core.windows.net/")).block();
+
+        return accessToken.getToken();
+    }
+
+}

java-17-sample/src/main/java/com/azure/asa/sample/RestResponseEntityExceptionHandler.java

@@ -0,0 +1,21 @@
+package com.azure.asa.sample;
+
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.context.request.WebRequest;
+import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler;
+
+@ControllerAdvice
+public class RestResponseEntityExceptionHandler extends ResponseEntityExceptionHandler {
+
+    @ExceptionHandler(value = {RuntimeException.class})
+    protected ResponseEntity<Object> handleConflict(
+            RuntimeException ex, WebRequest request) {
+        String bodyOfResponse = ex.getMessage();
+        return handleExceptionInternal(ex, bodyOfResponse,
+                new HttpHeaders(), HttpStatus.INTERNAL_SERVER_ERROR, request);
+    }
+}