Migrate service proxy and interceptor from SDK (#100)

.github/workflows/ci.yml

@@ -0,0 +1,19 @@
+name: Continuous Integration
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Print build information
+        run: "echo head_ref: ${{ github.head_ref }}, ref: ${{ github.ref }}"
+      - uses: actions/checkout@v2
+      - uses: actions/setup-go@v2
+        with:
+          go-version: "1.17"
+      - name: Check
+        run: make check test

.github/workflows/update-proto.yml

@@ -39,7 +39,7 @@ jobs:
 
       - name: Re-build proto
         run: |
-          make install update-proto
+          make install update-proto test
       - name: Commit update
         env:
           GIT_AUTHOR_NAME: ${{ github.event.inputs.commit_author }}

Makefile

@@ -4,7 +4,7 @@ $(VERBOSE).SILENT:
 install: grpc-install mockgen-install goimports-install update-proto
 
 # Compile proto files.
-proto: grpc goimports grpc-mock copyright
+proto: grpc goimports proxy grpc-mock copyright
 
 # Update submodule and compile proto files.
 update-proto: update-proto-submodule proto update-dependencies gomodtidy
@@ -60,6 +60,11 @@ grpc-mock:
 	printf $(COLOR) "Generate gRPC mocks..."
 	$(foreach PROTO_GRPC_SERVICE,$(PROTO_GRPC_SERVICES),cd $(PROTO_OUT) && mockgen -package $(call service_name,$(PROTO_GRPC_SERVICE))mock -source $(PROTO_GRPC_SERVICE) -destination $(call mock_file_name,$(PROTO_GRPC_SERVICE))$(NEWLINE) )
 
+.PHONY: proxy
+proxy:
+	printf $(COLOR) "Generate proxy code..."
+	(cd ./cmd/proxygenerator && go run ./)
+
 goimports:
 	printf $(COLOR) "Run goimports..."
 	goimports -w $(PROTO_OUT)
@@ -98,8 +103,21 @@ gomodtidy:
 	printf $(COLOR) "go mod tidy..."
 	go mod tidy
 
+##### Test #####
+
+test:
+	go test ./proxy ./serviceerror
+
+##### Check #####
+
+generatorcheck:
+	printf $(COLOR) "Check generated code is not stale..."
+	(cd ./cmd/proxygenerator && go run ./ -verifyOnly)
+
+check: generatorcheck
+
 ##### Clean #####
 clean:
 	printf $(COLOR) "Deleting generated go files..."
 	# Delete all directories with *.pb.go and *.mock.go files from $(PROTO_OUT)
-	find $(PROTO_OUT) \( -name "*.pb.go" -o -name "*.mock.go" \) | xargs -I{} dirname {} | sort -u | xargs rm -rf
+	find $(PROTO_OUT) \( -name "*.pb.go" -o -name "*.mock.go" \) | xargs -I{} dirname {} | sort -u | xargs rm -rf

cmd/proxygenerator/go.mod

@@ -0,0 +1,22 @@
+module go.temporal.io/api/cmd/proxygenerator
+
+go 1.18
+
+require (
+	go.temporal.io/api v1.13.0
+	golang.org/x/tools v0.3.0
+)
+
+replace go.temporal.io/api => ../../
+
+require (
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	golang.org/x/mod v0.7.0 // indirect
+	golang.org/x/net v0.4.0 // indirect
+	golang.org/x/sys v0.3.0 // indirect
+	golang.org/x/text v0.5.0 // indirect
+	google.golang.org/genproto v0.0.0-20221207170731-23e4bf6bdc37 // indirect
+	google.golang.org/grpc v1.51.0 // indirect
+	google.golang.org/protobuf v1.28.1 // indirect
+)