Thrift2Grpc compatibility layer (#1105)

* Generated proto files

* Added thrift2proto compatibility adapter

* GRPC integration test

* Feature not enabled error mapping

* Add grpc integration test to buildkite pipeline

* Fix code coverage collection

Author: vytautas-karpavicius

.buildkite/pipeline.yml

@@ -46,6 +46,21 @@ steps:
           run: integ-test
           config: docker/buildkite/docker-compose.yml
 
+  - label: ":golang: integration-test-grpc-adapter"
+    agents:
+      queue: "workers"
+      docker: "*"
+    command: "make integ_test_grpc"
+    artifact_paths:
+      - ".build/coverage/*.out"
+    retry:
+      automatic:
+        limit: 1
+    plugins:
+      - docker-compose#v3.0.0:
+          run: integ-test-grpc
+          config: docker/buildkite/docker-compose.yml
+
   - wait
 
   - label: ":golang: code-coverage"

.buildkite/scripts/gocov.sh

@@ -10,6 +10,7 @@ mkdir -p .build/coverage
 buildkite-agent artifact download ".build/coverage/unit_test_cover.out" . --step ":golang: unit-test" --build "$BUILDKITE_BUILD_ID"
 buildkite-agent artifact download ".build/coverage/integ_test_sticky_off_cover.out" . --step ":golang: integration-test-sticky-off" --build "$BUILDKITE_BUILD_ID"
 buildkite-agent artifact download ".build/coverage/integ_test_sticky_on_cover.out" . --step ":golang: integration-test-sticky-on" --build "$BUILDKITE_BUILD_ID"
+buildkite-agent artifact download ".build/coverage/integ_test_grpc_cover.out" . --step ":golang: integration-test-grpc-adapter" --build "$BUILDKITE_BUILD_ID"
 
 echo "download complete"