Add CreatePit RPC and spec filter support

Signed-off-by: xil <fridalu66@gmail.com>

Author: lucy66hw

CHANGELOG.md

@@ -5,6 +5,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ## [Unreleased]
 ### Added
 - Add support for double, int and long in BinaryFieldValue ([#460](https://github.com/opensearch-project/opensearch-protobufs/pull/460))
+- Create PIT service support in protobuf generation and search service RPC definitions.
 
 ### Changed
 

protos/services/search_service.proto

@@ -22,6 +22,9 @@ import "protos/schemas/common.proto";
 service SearchService {
   rpc Search(SearchRequest) returns (SearchResponse) {}
 
+  // Create a point in time for consistent search pagination.
+  rpc CreatePit(CreatePitRequest) returns (CreatePITResponse) {}
+
   // Server side grpc stream endpoint
   rpc ServerStreamSearch(SearchRequest) returns (stream SearchResponse) {}
 }

tools/proto-convert/src/config/spec-filter.yaml

@@ -4,6 +4,7 @@ x-operation-groups:
   - search
   - ml.predict_model_stream
   - ml.execute_agent_stream
+  - create_pit
 
 # Schemas to exclude from proto generation
 # These schemas and their nested dependencies will not be included