Enable Eureka service discovery

aspire4j/aspire4j-extensions-spring/src/main/resources/templates/eureka/application.yaml

@@ -4,6 +4,8 @@ spring:
 server:
   port: ${targetPort?c}
 eureka:
+  instance:
+    hostname: localhost
   client:
     register-with-eureka: ${registerWithEureka?string("true", "false")}
     fetch-registry: ${fetchRegistry?string("true", "false")}

aspire4j/aspire4j-extensions-spring/src/main/resources/templates/eureka/pom.xml

@@ -14,7 +14,7 @@
     <version>0.0.1-SNAPSHOT</version>
 
     <properties>
-        <java.version>17</java.version>
+        <java.version>21</java.version>
         <spring-cloud.version>2023.0.2</spring-cloud.version>
     </properties>
 
@@ -23,6 +23,10 @@
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
 
         <dependency>
             <groupId>org.springframework.boot</groupId>

samples/storage-explorer/date-service/pom.xml

@@ -28,6 +28,7 @@
     </scm>
     <properties>
         <java.version>21</java.version>
+        <spring-cloud.version>2023.0.2</spring-cloud.version>
     </properties>
 
     <dependencies>
@@ -49,13 +50,33 @@
             <scope>runtime</scope>
             <optional>true</optional>
         </dependency>
+
+        <!-- https://mvnrepository.com/artifact/org.springframework.cloud/spring-cloud-starter-netflix-eureka-client -->
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
+        </dependency>
+
+
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
     </dependencies>
 
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework.cloud</groupId>
+                <artifactId>spring-cloud-dependencies</artifactId>
+                <version>${spring-cloud.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
     <build>
         <plugins>
             <plugin>

samples/storage-explorer/date-service/src/main/resources/application.yml

@@ -0,0 +1,9 @@
+spring:
+  application:
+    name: date-service-spring
+eureka:
+  client:
+    serviceUrl:
+      defaultZone: ${services__eureka__https__0}/eureka/
+  instance:
+    preferIpAddress: true

samples/storage-explorer/storage-explorer-apphost/src/main/java/com/microsoft/aspire/storageexplorer/StorageExplorerAppHost.java

@@ -29,16 +29,16 @@ public class StorageExplorerAppHost implements AppHost {
             .addEurekaServiceDiscovery("eureka");
 
         var dateService = app.withExtension(SpringExtension.class)
-            .addSpringProject("date-service-spring")
-            .withPath("date-service")
-            .withExternalHttpEndpoints();
+                .addSpringProject("date-service-spring")
+                .withPath("date-service")
+                .withReference(eurekaServiceDiscovery)
+                .withExternalHttpEndpoints();
 
         var storageExplorer = app.withExtension(SpringExtension.class)
             .addSpringProject("storage-explorer-spring")
             .withPath("storage-explorer")
             .withExternalHttpEndpoints()
             .withReference(blobStorage)
-            .withReference(dateService)
             .withReference(eurekaServiceDiscovery);
 //            .withReference(openAI);
 

samples/storage-explorer/storage-explorer/pom.xml

@@ -28,6 +28,7 @@
     </scm>
     <properties>
         <java.version>21</java.version>
+        <spring-cloud.version>2023.0.2</spring-cloud.version>
     </properties>
 
     <dependencyManagement>
@@ -39,6 +40,13 @@
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
+            <dependency>
+                <groupId>org.springframework.cloud</groupId>
+                <artifactId>spring-cloud-dependencies</artifactId>
+                <version>${spring-cloud.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
         </dependencies>
     </dependencyManagement>
 
@@ -77,6 +85,11 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter</artifactId>
         </dependency>
+        <!-- https://mvnrepository.com/artifact/org.springframework.cloud/spring-cloud-starter-netflix-eureka-client -->
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-docker-compose</artifactId>

samples/storage-explorer/storage-explorer/src/main/java/com/microsoft/aspire/storageexplorer/StorageServiceController.java

@@ -2,6 +2,7 @@
 
 import com.microsoft.aspire.storageexplorer.service.StorageItem;
 import com.microsoft.aspire.storageexplorer.service.StorageService;
+import com.netflix.discovery.EurekaClient;
 import jakarta.servlet.http.HttpServletResponse;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -32,13 +33,13 @@ public class StorageServiceController {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(StorageServiceController.class);
     private final StorageService storageService;
-
-    @Value("${services__dateservice__https__0}")
-    private String dateServiceEndpoint;
+    private final String dateServiceUrl;
 
     @Autowired
-    public StorageServiceController(final StorageService storageService) {
+    public StorageServiceController(final StorageService storageService, final EurekaClient discoveryClient) {
         this.storageService = storageService;
+        this.dateServiceUrl = discoveryClient.getNextServerFromEureka("date-service-spring", false).getHomePageUrl();
+        LOGGER.info("The discovered date service URL is " + dateServiceUrl);
     }
 
     @GetMapping("/")
@@ -51,12 +52,12 @@ public String listUploadedFiles(final Model model,
     }
 
     private void updateTime(Model model) {
-        LOGGER.info("The datetime service endpoint is " + dateServiceEndpoint);
         String lastUpdated = "";
         try {
             RestTemplate restTemplate = new RestTemplate();
-            OffsetDateTime time = restTemplate.getForObject(dateServiceEndpoint + "/time", OffsetDateTime.class);
+            OffsetDateTime time = restTemplate.getForObject(dateServiceUrl + "/time", OffsetDateTime.class);
             if (time != null) {
+                LOGGER.info("The date service time is " + time.format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));
                 lastUpdated = time.format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
             }
         } catch (Exception exception) {

samples/storage-explorer/storage-explorer/src/main/java/com/microsoft/aspire/storageexplorer/service/AzureBlobStorageService.java

@@ -8,6 +8,8 @@
 import com.azure.storage.blob.BlobServiceClient;
 import com.azure.storage.blob.BlobServiceClientBuilder;
 import com.azure.storage.blob.models.BlobHttpHeaders;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 
@@ -21,23 +23,26 @@
  */
 @Service
 public class AzureBlobStorageService implements StorageService {
+    private static final Logger LOGGER = LoggerFactory.getLogger(AzureBlobStorageService.class);
+
     private String blobStorageContainerName = "mycontainer";
 
-    @Value("${ENDPOINT}")
+    @Value("${ConnectionStrings__storage-explorer-blobs}")
     private String storageEndpoint;
 
     private BlobContainerClient blobContainerClient;
 
     @Override
     public void init() {
+        LOGGER.info("Using Azure Blob Storage endpoint {}", storageEndpoint);
         if (blobContainerClient != null) {
             return;
         }
 
         boolean doInit = true;
 
         if ((storageEndpoint == null || storageEndpoint.isEmpty())) {
-            System.err.println("Error: Please set the ENDPOINT property");
+            System.err.println("Error: Please set the ConnectionStrings__storage-explorer-blobs property");
             doInit = false;
         }
 
@@ -64,7 +69,7 @@ public void store(final String filename, final InputStream inputStream, final lo
 
         final String mimeType = URLConnection.guessContentTypeFromName(filename);
         blobClient.setHttpHeaders(new BlobHttpHeaders()
-            .setContentType(mimeType));
+                .setContentType(mimeType));
     }
 
     @Override

samples/storage-explorer/storage-explorer/src/main/resources/application.yml

@@ -0,0 +1,9 @@
+spring:
+  application:
+    name: storage-explorer-spring
+eureka:
+  client:
+    serviceUrl:
+      defaultZone: ${services__eureka__https__0}/eureka/
+  instance:
+    preferIpAddress: true