Tests for transformation service integration in java feature server

java/serving/pom.xml

@@ -92,6 +92,11 @@
       <version>${project.version}</version>
     </dependency>
 
+    <dependency>
+      <groupId>dev.feast</groupId>
+      <artifactId>feast-common</artifactId>
+      <version>${project.version}</version>
+    </dependency>
 
     <dependency>
       <groupId>dev.feast</groupId>
@@ -141,6 +146,11 @@
       <artifactId>grpc-stub</artifactId>
       <version>${grpc.version}</version>
     </dependency>
+    <dependency>
+      <groupId>io.grpc</groupId>
+      <artifactId>grpc-netty-shaded</artifactId>
+      <version>${grpc.version}</version>
+    </dependency>
     <!--compile "com.google.protobuf:protobuf-java-util:${protobuf.version}"-->
     <dependency>
       <groupId>com.google.protobuf</groupId>

java/serving/src/main/java/feast/serving/config/ApplicationProperties.java

@@ -147,38 +147,46 @@ public TracingProperties getTracing() {
     public LoggingProperties getLogging() {
       return logging;
     }
-  }
 
-  private FeastProperties feast;
+    private String gcpProject;
 
-  public void setFeast(FeastProperties feast) {
-    this.feast = feast;
-  }
+    public String getGcpProject() {
+      return gcpProject;
+    }
 
-  public FeastProperties getFeast() {
-    return feast;
-  }
+    public void setGcpProject(String gcpProject) {
+      this.gcpProject = gcpProject;
+    }
 
-  private String gcpProject;
+    public void setAwsRegion(String awsRegion) {
+      this.awsRegion = awsRegion;
+    }
 
-  public String getGcpProject() {
-    return gcpProject;
-  }
+    private String awsRegion;
 
-  public void setAwsRegion(String awsRegion) {
-    this.awsRegion = awsRegion;
-  }
+    public String getAwsRegion() {
+      return awsRegion;
+    }
+
+    private String transformationServiceEndpoint;
 
-  private String awsRegion;
+    public String getTransformationServiceEndpoint() {
+      return transformationServiceEndpoint;
+    }
 
-  public String getAwsRegion() {
-    return awsRegion;
+    public void setTransformationServiceEndpoint(String transformationServiceEndpoint) {
+      this.transformationServiceEndpoint = transformationServiceEndpoint;
+    }
   }
 
-  private String transformationServiceEndpoint;
+  private FeastProperties feast;
 
-  public String getTransformationServiceEndpoint() {
-    return transformationServiceEndpoint;
+  public void setFeast(FeastProperties feast) {
+    this.feast = feast;
+  }
+
+  public FeastProperties getFeast() {
+    return feast;
   }
 
   /** Store configuration class for database that this Feast Serving uses. */
@@ -263,6 +271,10 @@ public static class Server {
     public int getPort() {
       return port;
     }
+
+    public void setPort(int port) {
+      this.port = port;
+    }
   }
 
   public static class GrpcServer {
@@ -271,6 +283,10 @@ public static class GrpcServer {
     public Server getServer() {
       return server;
     }
+
+    public void setServer(Server server) {
+      this.server = server;
+    }
   }
 
   public static class RestServer {
@@ -279,6 +295,10 @@ public static class RestServer {
     public Server getServer() {
       return server;
     }
+
+    public void setServer(Server server) {
+      this.server = server;
+    }
   }
 
   private GrpcServer grpc;
@@ -288,10 +308,18 @@ public GrpcServer getGrpc() {
     return grpc;
   }
 
+  public void setGrpc(GrpcServer grpc) {
+    this.grpc = grpc;
+  }
+
   public RestServer getRest() {
     return rest;
   }
 
+  public void setRest(RestServer rest) {
+    this.rest = rest;
+  }
+
   public enum StoreType {
     REDIS,
     REDIS_CLUSTER;

java/serving/src/main/java/feast/serving/config/RegistryConfig.java

@@ -31,15 +31,15 @@ public class RegistryConfig extends AbstractModule {
   @Provides
   Storage googleStorage(ApplicationProperties applicationProperties) {
     return StorageOptions.newBuilder()
-        .setProjectId(applicationProperties.getGcpProject())
+        .setProjectId(applicationProperties.getFeast().getGcpProject())
         .build()
         .getService();
   }
 
   @Provides
   public AmazonS3 awsStorage(ApplicationProperties applicationProperties) {
     return AmazonS3ClientBuilder.standard()
-        .withRegion(applicationProperties.getAwsRegion())
+        .withRegion(applicationProperties.getFeast().getAwsRegion())
         .build();
   }
 

java/serving/src/main/java/feast/serving/config/ServingServiceConfigV2.java

@@ -68,10 +68,10 @@ public ServingServiceV2 registryBasedServingServiceV2(
 
     log.info("Working Directory = " + System.getProperty("user.dir"));
 
-    final String transformationServiceEndpoint =
-        applicationProperties.getTransformationServiceEndpoint();
     final OnlineTransformationService onlineTransformationService =
-        new OnlineTransformationService(transformationServiceEndpoint, registryRepository);
+        new OnlineTransformationService(
+            applicationProperties.getFeast().getTransformationServiceEndpoint(),
+            registryRepository);
 
     servingService =
         new OnlineServingServiceV2(

java/serving/src/main/java/feast/serving/grpc/OnlineServingGrpcServiceV2.java

@@ -19,11 +19,15 @@
 import feast.proto.serving.ServingAPIProto;
 import feast.proto.serving.ServingServiceGrpc;
 import feast.serving.service.ServingServiceV2;
+import io.grpc.Status;
 import io.grpc.stub.StreamObserver;
 import javax.inject.Inject;
+import org.slf4j.Logger;
 
 public class OnlineServingGrpcServiceV2 extends ServingServiceGrpc.ServingServiceImplBase {
   private final ServingServiceV2 servingServiceV2;
+  private static final Logger log =
+      org.slf4j.LoggerFactory.getLogger(OnlineServingGrpcServiceV2.class);
 
   @Inject
   OnlineServingGrpcServiceV2(ServingServiceV2 servingServiceV2) {
@@ -34,15 +38,27 @@ public class OnlineServingGrpcServiceV2 extends ServingServiceGrpc.ServingServic
   public void getFeastServingInfo(
       ServingAPIProto.GetFeastServingInfoRequest request,
       StreamObserver<ServingAPIProto.GetFeastServingInfoResponse> responseObserver) {
-    responseObserver.onNext(this.servingServiceV2.getFeastServingInfo(request));
-    responseObserver.onCompleted();
+    try {
+      responseObserver.onNext(this.servingServiceV2.getFeastServingInfo(request));
+      responseObserver.onCompleted();
+    } catch (RuntimeException e) {
+      log.warn("Failed to get Serving Info", e);
+      responseObserver.onError(
+          Status.INTERNAL.withDescription(e.getMessage()).withCause(e).asRuntimeException());
+    }
   }
 
   @Override
   public void getOnlineFeatures(
       ServingAPIProto.GetOnlineFeaturesRequest request,
       StreamObserver<ServingAPIProto.GetOnlineFeaturesResponse> responseObserver) {
-    responseObserver.onNext(this.servingServiceV2.getOnlineFeatures(request));
-    responseObserver.onCompleted();
+    try {
+      responseObserver.onNext(this.servingServiceV2.getOnlineFeatures(request));
+      responseObserver.onCompleted();
+    } catch (RuntimeException e) {
+      log.warn("Failed to get Online Features", e);
+      responseObserver.onError(
+          Status.INTERNAL.withDescription(e.getMessage()).withCause(e).asRuntimeException());
+    }
   }
 }

java/serving/src/main/java/feast/serving/service/OnlineServingServiceV2.java

@@ -91,9 +91,8 @@ public ServingAPIProto.GetOnlineFeaturesResponse getOnlineFeatures(
     // Pair from extractRequestDataFeatureNamesAndOnDemandFeatureInputs.
     // Currently, we can retrieve context variables directly from GetOnlineFeaturesRequest.
     List<FeatureReferenceV2> onDemandFeatureInputs =
-        this.onlineTransformationService
-            .extractRequestDataFeatureNamesAndOnDemandFeatureInputs(onDemandFeatureReferences)
-            .getRight();
+        this.onlineTransformationService.extractOnDemandFeaturesDependencies(
+            onDemandFeatureReferences);
 
     // Add on demand feature inputs to list of feature references to retrieve.
     for (FeatureReferenceV2 onDemandFeatureInput : onDemandFeatureInputs) {
@@ -284,7 +283,12 @@ private void populateOnDemandFeatures(
         valueList.add(features.get(rowIdx).get(featureIdx).getFeatureValue(valueType));
       }
 
-      onDemandContext.add(Pair.of(Feature.getFeatureReference(featureReference), valueList));
+      onDemandContext.add(
+          Pair.of(
+              String.format(
+                  "%s__%s",
+                  featureReference.getFeatureViewName(), featureReference.getFeatureName()),
+              valueList));
     }
     // Serialize the augmented values.
     ValueType transformationInput =