feat: Add gRPC Registry Server

protos/feast/registry/RegistryServer.proto

@@ -0,0 +1,230 @@
+syntax = "proto3";
+
+package feast.registry;
+
+import "google/protobuf/timestamp.proto";
+import "google/protobuf/empty.proto";
+import "feast/core/Registry.proto";
+import "feast/core/Entity.proto";
+import "feast/core/DataSource.proto";
+import "feast/core/FeatureView.proto";
+import "feast/core/RequestFeatureView.proto";
+import "feast/core/StreamFeatureView.proto";
+import "feast/core/OnDemandFeatureView.proto";
+import "feast/core/FeatureService.proto";
+import "feast/core/SavedDataset.proto";
+import "feast/core/ValidationProfile.proto";
+import "feast/core/InfraObject.proto";
+
+service RegistryServer{
+  // Entity RPCs
+  rpc GetEntity (GetEntityRequest) returns (feast.core.Entity) {}
+  rpc ListEntities (ListEntitiesRequest) returns (ListEntitiesResponse) {}
+
+  // DataSource RPCs
+  rpc GetDataSource (GetDataSourceRequest) returns (feast.core.DataSource) {}
+  rpc ListDataSources (ListDataSourcesRequest) returns (ListDataSourcesResponse) {}
+
+  // FeatureView RPCs
+  rpc GetFeatureView (GetFeatureViewRequest) returns (feast.core.FeatureView) {}
+  rpc ListFeatureViews (ListFeatureViewsRequest) returns (ListFeatureViewsResponse) {}
+
+  // RequestFeatureView RPCs
+  rpc GetRequestFeatureView (GetRequestFeatureViewRequest) returns (feast.core.RequestFeatureView) {}
+  rpc ListRequestFeatureViews (ListRequestFeatureViewsRequest) returns (ListRequestFeatureViewsResponse) {}
+
+  // StreamFeatureView RPCs
+  rpc GetStreamFeatureView (GetStreamFeatureViewRequest) returns (feast.core.StreamFeatureView) {}
+  rpc ListStreamFeatureViews (ListStreamFeatureViewsRequest) returns (ListStreamFeatureViewsResponse) {}
+
+  // OnDemandFeatureView RPCs
+  rpc GetOnDemandFeatureView (GetOnDemandFeatureViewRequest) returns (feast.core.OnDemandFeatureView) {}
+  rpc ListOnDemandFeatureViews (ListOnDemandFeatureViewsRequest) returns (ListOnDemandFeatureViewsResponse) {}
+
+  // FeatureService RPCs
+  rpc GetFeatureService (GetFeatureServiceRequest) returns (feast.core.FeatureService) {}
+  rpc ListFeatureServices (ListFeatureServicesRequest) returns (ListFeatureServicesResponse) {}
+
+  // SavedDataset RPCs
+  rpc GetSavedDataset (GetSavedDatasetRequest) returns (feast.core.SavedDataset) {}
+  rpc ListSavedDatasets (ListSavedDatasetsRequest) returns (ListSavedDatasetsResponse) {}
+
+  // ValidationReference RPCs
+  rpc GetValidationReference (GetValidationReferenceRequest) returns (feast.core.ValidationReference) {}
+  rpc ListValidationReferences (ListValidationReferencesRequest) returns (ListValidationReferencesResponse) {}
+
+  rpc ListProjectMetadata (ListProjectMetadataRequest) returns (ListProjectMetadataResponse) {}
+  rpc GetInfra (GetInfraRequest) returns (feast.core.Infra) {}
+  rpc Refresh (RefreshRequest) returns (google.protobuf.Empty) {}
+  rpc Proto (google.protobuf.Empty) returns (feast.core.Registry) {}
+
+}
+
+message RefreshRequest {
+  string project = 1;
+}
+
+message GetInfraRequest {
+    string project = 1;
+    bool allow_cache = 2;
+}
+
+message ListProjectMetadataRequest {
+  string project = 1;
+  bool allow_cache = 2;    
+}
+
+message ListProjectMetadataResponse {
+  repeated feast.core.ProjectMetadata project_metadata = 1;     
+}
+
+message GetEntityRequest {
+    string name = 1;
+    string project = 2;
+    bool allow_cache = 3;
+}
+
+message ListEntitiesRequest {
+    string project = 1;
+    bool allow_cache = 2;
+}
+
+message ListEntitiesResponse {
+    repeated feast.core.Entity entities = 1;
+}
+
+// DataSources
+
+message GetDataSourceRequest {
+    string name = 1;
+    string project = 2;
+    bool allow_cache = 3;
+}
+
+message ListDataSourcesRequest {
+    string project = 1;
+    bool allow_cache = 2;
+}
+
+message ListDataSourcesResponse {
+    repeated feast.core.DataSource data_sources = 1;
+}
+
+// FeatureViews
+
+message GetFeatureViewRequest {
+    string name = 1;
+    string project = 2;
+    bool allow_cache = 3;
+}
+
+message ListFeatureViewsRequest {
+    string project = 1;
+    bool allow_cache = 2;
+}
+
+message ListFeatureViewsResponse {
+    repeated feast.core.FeatureView feature_views = 1;
+}
+
+// RequestFeatureView
+
+message GetRequestFeatureViewRequest {
+    string name = 1;
+    string project = 2;
+    bool allow_cache = 3;
+}
+
+message ListRequestFeatureViewsRequest {
+    string project = 1;
+    bool allow_cache = 2;
+}
+
+message ListRequestFeatureViewsResponse {
+    repeated feast.core.RequestFeatureView request_feature_views = 1;
+}
+
+// StreamFeatureView
+
+message GetStreamFeatureViewRequest {
+    string name = 1;
+    string project = 2;
+    bool allow_cache = 3;
+}
+
+message ListStreamFeatureViewsRequest {
+    string project = 1;
+    bool allow_cache = 2;
+}
+
+message ListStreamFeatureViewsResponse {
+    repeated feast.core.StreamFeatureView stream_feature_views = 1;
+}
+
+// OnDemandFeatureView
+
+message GetOnDemandFeatureViewRequest {
+    string name = 1;
+    string project = 2;
+    bool allow_cache = 3;
+}
+
+message ListOnDemandFeatureViewsRequest {
+    string project = 1;
+    bool allow_cache = 2;
+}
+
+message ListOnDemandFeatureViewsResponse {
+    repeated feast.core.OnDemandFeatureView on_demand_feature_views = 1;
+}
+
+// FeatureServices
+
+message GetFeatureServiceRequest {
+    string name = 1;
+    string project = 2;
+    bool allow_cache = 3;
+}
+
+message ListFeatureServicesRequest {
+    string project = 1;
+    bool allow_cache = 2;
+}
+
+message ListFeatureServicesResponse {
+    repeated feast.core.FeatureService feature_services = 1;
+}
+
+// SavedDataset
+
+message GetSavedDatasetRequest {
+    string name = 1;
+    string project = 2;
+    bool allow_cache = 3;
+}
+
+message ListSavedDatasetsRequest {
+    string project = 1;
+    bool allow_cache = 2;
+}
+
+message ListSavedDatasetsResponse {
+    repeated feast.core.SavedDataset saved_datasets = 1;
+}
+
+// ValidationReference
+
+message GetValidationReferenceRequest {
+    string name = 1;
+    string project = 2;
+    bool allow_cache = 3;
+}
+
+message ListValidationReferencesRequest {
+    string project = 1;
+    bool allow_cache = 2;
+}
+
+message ListValidationReferencesResponse {
+    repeated feast.core.ValidationReference validation_references = 1;
+}

sdk/python/feast/cli.py

@@ -25,7 +25,10 @@
 from pygments import formatters, highlight, lexers
 
 from feast import utils
-from feast.constants import DEFAULT_FEATURE_TRANSFORMATION_SERVER_PORT
+from feast.constants import (
+    DEFAULT_FEATURE_TRANSFORMATION_SERVER_PORT,
+    DEFAULT_REGISTRY_SERVER_PORT,
+)
 from feast.errors import FeastObjectNotFoundException, FeastProviderLoginError
 from feast.feature_view import FeatureView
 from feast.infra.contrib.grpc_server import get_grpc_server
@@ -753,6 +756,22 @@ def serve_transformations_command(ctx: click.Context, port: int):
     store.serve_transformations(port)
 
 
+@cli.command("serve_registry")
+@click.option(
+    "--port",
+    "-p",
+    type=click.INT,
+    default=DEFAULT_REGISTRY_SERVER_PORT,
+    help="Specify a port for the server",
+)
+@click.pass_context
+def serve_registry_command(ctx: click.Context, port: int):
+    """Start a registry server locally on a given port."""
+    store = create_feature_store(ctx)
+
+    store.serve_registry(port)
+
+
 @cli.command("validate")
 @click.option(
     "--feature-service",

sdk/python/feast/constants.py

@@ -44,5 +44,8 @@
 # Default FTS port
 DEFAULT_FEATURE_TRANSFORMATION_SERVER_PORT = 6569
 
+# Default registry server port
+DEFAULT_REGISTRY_SERVER_PORT = 6570
+
 # Environment variable for feature server docker image tag
 DOCKER_IMAGE_TAG_ENV_NAME: str = "FEAST_SERVER_DOCKER_IMAGE_TAG"

sdk/python/feast/feature_store.py

@@ -2278,6 +2278,13 @@ def serve_ui(
             root_path=root_path,
         )
 
+    @log_exceptions_and_usage
+    def serve_registry(self, port: int) -> None:
+        """Start registry server locally on a given port."""
+        from feast import registry_server
+
+        registry_server.start_server(self, port)
+
     @log_exceptions_and_usage
     def serve_transformations(self, port: int) -> None:
         """Start the feature transformation server locally on a given port."""

sdk/python/feast/infra/registry/base_registry.py

@@ -329,7 +329,9 @@ def list_feature_views(
 
     # request feature view operations
     @abstractmethod
-    def get_request_feature_view(self, name: str, project: str) -> RequestFeatureView:
+    def get_request_feature_view(
+        self, name: str, project: str, allow_cache: bool = False
+    ) -> RequestFeatureView:
         """
         Retrieves a request feature view.
 

sdk/python/feast/infra/registry/registry.py

@@ -528,8 +528,12 @@ def list_feature_views(
         )
         return proto_registry_utils.list_feature_views(registry_proto, project)
 
-    def get_request_feature_view(self, name: str, project: str):
-        registry_proto = self._get_registry_proto(project=project, allow_cache=False)
+    def get_request_feature_view(
+        self, name: str, project: str, allow_cache: bool = False
+    ):
+        registry_proto = self._get_registry_proto(
+            project=project, allow_cache=allow_cache
+        )
         return proto_registry_utils.get_request_feature_view(
             registry_proto, name, project
         )