Use Dockerfile to generate files, update dependencies and add dependabot

.github/dependabot.yml

@@ -0,0 +1,10 @@
+version: 2
+updates:
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: weekly
+  - package-ecosystem: "docker"
+    directory: "/"
+    schedule:
+      interval: weekly

Dockerfile

@@ -0,0 +1,76 @@
+FROM otel/build-protobuf:0.17.0 as go-builder
+
+RUN --mount=type=bind,source=.,target=/opencensus-proto,rw \
+    protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --go_out=plugins=grpc:/opencensus-proto/gen-go opencensus/proto/agent/common/v1/common.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --go_out=plugins=grpc:/opencensus-proto/gen-go opencensus/proto/resource/v1/resource.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --go_out=plugins=grpc:/opencensus-proto/gen-go opencensus/proto/metrics/v1/metrics.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --go_out=plugins=grpc:/opencensus-proto/gen-go opencensus/proto/stats/v1/stats.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --go_out=plugins=grpc:/opencensus-proto/gen-go opencensus/proto/trace/v1/trace.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --go_out=plugins=grpc:/opencensus-proto/gen-go opencensus/proto/trace/v1/trace_config.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --go_out=plugins=grpc:/opencensus-proto/gen-go opencensus/proto/agent/common/v1/common.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --go_out=plugins=grpc:/opencensus-proto/gen-go opencensus/proto/agent/metrics/v1/metrics_service.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --go_out=plugins=grpc:/opencensus-proto/gen-go opencensus/proto/agent/trace/v1/trace_service.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src  --grpc-gateway_out=logtostderr=true,grpc_api_configuration=/opencensus-proto/src/opencensus/proto/agent/trace/v1/trace_service_http.yaml:/opencensus-proto/gen-go opencensus/proto/agent/trace/v1/trace_service.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src  --grpc-gateway_out=logtostderr=true,grpc_api_configuration=/opencensus-proto/src/opencensus/proto/agent/metrics/v1/metrics_service_http.yaml:/opencensus-proto/gen-go opencensus/proto/agent/metrics/v1/metrics_service.proto \
+    && /bin/mv /opencensus-proto/gen-go/github.com/census-instrumentation/opencensus-proto/gen-go gen-go
+
+
+FROM otel/build-protobuf:0.17.0 as python-builder
+
+RUN --mount=type=bind,source=.,target=/opencensus-proto,rw \
+    /bin/mkdir /gen-python \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --python_out=/gen-python opencensus/proto/agent/common/v1/common.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --python_out=/gen-python opencensus/proto/resource/v1/resource.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --python_out=/gen-python opencensus/proto/metrics/v1/metrics.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --python_out=/gen-python opencensus/proto/stats/v1/stats.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --python_out=/gen-python opencensus/proto/trace/v1/trace.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --python_out=/gen-python opencensus/proto/trace/v1/trace_config.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --python_out=/gen-python opencensus/proto/agent/common/v1/common.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --python_out=/gen-python --grpc-python_out=/gen-python opencensus/proto/agent/metrics/v1/metrics_service.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --python_out=/gen-python --grpc-python_out=/gen-python opencensus/proto/agent/trace/v1/trace_service.proto
+
+
+FROM otel/build-protobuf:0.17.0 as ruby-builder
+
+RUN --mount=type=bind,source=.,target=/opencensus-proto,rw \
+    /bin/mkdir /gen-ruby \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --ruby_out=/gen-ruby opencensus/proto/agent/common/v1/common.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --ruby_out=/gen-ruby opencensus/proto/resource/v1/resource.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --ruby_out=/gen-ruby opencensus/proto/metrics/v1/metrics.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --ruby_out=/gen-ruby opencensus/proto/stats/v1/stats.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --ruby_out=/gen-ruby opencensus/proto/trace/v1/trace.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --ruby_out=/gen-ruby opencensus/proto/trace/v1/trace_config.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --ruby_out=/gen-ruby opencensus/proto/agent/common/v1/common.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --ruby_out=/gen-ruby --grpc-ruby_out=/gen-ruby opencensus/proto/agent/metrics/v1/metrics_service.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --ruby_out=/gen-ruby --grpc-ruby_out=/gen-ruby opencensus/proto/agent/trace/v1/trace_service.proto
+
+
+FROM otel/build-protobuf:0.17.0 as openapi-builder
+
+RUN --mount=type=bind,source=.,target=/opencensus-proto,rw \
+    /bin/mkdir /gen-openapi \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --openapiv2_out=logtostderr=true,grpc_api_configuration=/opencensus-proto/src/opencensus/proto/agent/trace/v1/trace_service_http.yaml:/gen-openapi opencensus/proto/agent/trace/v1/trace_service.proto \
+    && protoc-wrapper -I/usr/include --proto_path=/opencensus-proto/src --openapiv2_out=logtostderr=true,grpc_api_configuration=/opencensus-proto/src/opencensus/proto/agent/metrics/v1/metrics_service_http.yaml:/gen-openapi opencensus/proto/agent/metrics/v1/metrics_service.proto
+
+
+FROM scratch as go
+COPY --from=go-builder /gen-go /gen-go
+
+
+FROM scratch as python
+COPY --from=python-builder /gen-python /gen-python
+
+
+FROM scratch as ruby
+COPY --from=ruby-builder /gen-ruby /gen-ruby
+
+
+FROM scratch as openapi
+COPY --from=openapi-builder /gen-openapi /gen-openapi
+
+
+FROM scratch as all
+COPY --from=go-builder /gen-go /gen-go
+COPY --from=python-builder /gen-python /gen-python
+COPY --from=ruby-builder /gen-ruby /gen-ruby
+COPY --from=openapi-builder /gen-openapi /gen-openapi

Makefile

@@ -1,59 +1,32 @@
-OTEL_DOCKER_PROTOBUF ?= otel/build-protobuf:0.11.0
-BUF_DOCKER ?= bufbuild/buf:1.7.0
-
-PROTOC := docker run --rm -u ${shell id -u} -v${PWD}:${PWD} -w${PWD} ${OTEL_DOCKER_PROTOBUF} --proto_path=${PWD}/src
-
-
-PROTO_GEN_GO_DIR ?= gen-go
-PROTO_GEN_PYTHON_DIR ?= gen-python
-PROTO_GEN_RUBY_DIR ?= gen-ruby
-PROTO_GEN_OPENAPI_DIR ?= gen-openapi
+DEFAULT_GOAL := all
 
 # Generate gRPC/Protobuf implementation for Go.
 .PHONY: gen-go
 gen-go:
-	$(PROTOC) --go_out=plugins=grpc:./$(PROTO_GEN_GO_DIR) opencensus/proto/agent/common/v1/common.proto
-	$(PROTOC) --go_out=plugins=grpc:./$(PROTO_GEN_GO_DIR) opencensus/proto/resource/v1/resource.proto
-	$(PROTOC) --go_out=plugins=grpc:./$(PROTO_GEN_GO_DIR) opencensus/proto/metrics/v1/metrics.proto
-	$(PROTOC) --go_out=plugins=grpc:./$(PROTO_GEN_GO_DIR) opencensus/proto/stats/v1/stats.proto
-	$(PROTOC) --go_out=plugins=grpc:./$(PROTO_GEN_GO_DIR) opencensus/proto/trace/v1/trace.proto
-	$(PROTOC) --go_out=plugins=grpc:./$(PROTO_GEN_GO_DIR) opencensus/proto/trace/v1/trace_config.proto
-	$(PROTOC) --go_out=plugins=grpc:./$(PROTO_GEN_GO_DIR) opencensus/proto/agent/common/v1/common.proto
-	$(PROTOC) --go_out=plugins=grpc:./$(PROTO_GEN_GO_DIR) opencensus/proto/agent/metrics/v1/metrics_service.proto
-	$(PROTOC) --go_out=plugins=grpc:./$(PROTO_GEN_GO_DIR) opencensus/proto/agent/trace/v1/trace_service.proto
-	$(PROTOC) --grpc-gateway_out=logtostderr=true,grpc_api_configuration=src/opencensus/proto/agent/trace/v1/trace_service_http.yaml:./$(PROTO_GEN_GO_DIR) opencensus/proto/agent/trace/v1/trace_service.proto
-	$(PROTOC) --grpc-gateway_out=logtostderr=true,grpc_api_configuration=src/opencensus/proto/agent/metrics/v1/metrics_service_http.yaml:./$(PROTO_GEN_GO_DIR) opencensus/proto/agent/metrics/v1/metrics_service.proto
-	mv $(PROTO_GEN_GO_DIR)/github.com/census-instrumentation/opencensus-proto/gen-go/* $(PROTO_GEN_GO_DIR)
-	rm -fr $(PROTO_GEN_GO_DIR)/github.com
+	@rm -rf gen-go/*
+	docker build -t opencensus-proto-gen . --output . --target go
 
-# Generate gRPC/Protobuf implementation for Go.
+# Generate gRPC/Protobuf implementation for Python.
 .PHONY: gen-python
 gen-python:
-	$(PROTOC) --python_out=./$(PROTO_GEN_PYTHON_DIR) opencensus/proto/agent/common/v1/common.proto
-	$(PROTOC) --python_out=./$(PROTO_GEN_PYTHON_DIR) opencensus/proto/resource/v1/resource.proto
-	$(PROTOC) --python_out=./$(PROTO_GEN_PYTHON_DIR) opencensus/proto/metrics/v1/metrics.proto
-	$(PROTOC) --python_out=./$(PROTO_GEN_PYTHON_DIR) opencensus/proto/stats/v1/stats.proto
-	$(PROTOC) --python_out=./$(PROTO_GEN_PYTHON_DIR) opencensus/proto/trace/v1/trace.proto
-	$(PROTOC) --python_out=./$(PROTO_GEN_PYTHON_DIR) opencensus/proto/trace/v1/trace_config.proto
-	$(PROTOC) --python_out=./$(PROTO_GEN_PYTHON_DIR) opencensus/proto/agent/common/v1/common.proto
-	$(PROTOC) --python_out=./$(PROTO_GEN_PYTHON_DIR) --grpc-python_out=./$(PROTO_GEN_PYTHON_DIR) opencensus/proto/agent/metrics/v1/metrics_service.proto
-	$(PROTOC) --python_out=./$(PROTO_GEN_PYTHON_DIR) --grpc-python_out=./$(PROTO_GEN_PYTHON_DIR) opencensus/proto/agent/trace/v1/trace_service.proto
+	docker build -t opencensus-proto-gen . --output . --target python
 
-# Generate gRPC/Protobuf implementation for Go.
+# Generate gRPC/Protobuf implementation for Ruby.
 .PHONY: gen-ruby
 gen-ruby:
-	$(PROTOC) --ruby_out=./$(PROTO_GEN_RUBY_DIR) opencensus/proto/agent/common/v1/common.proto
-	$(PROTOC) --ruby_out=./$(PROTO_GEN_RUBY_DIR) opencensus/proto/resource/v1/resource.proto
-	$(PROTOC) --ruby_out=./$(PROTO_GEN_RUBY_DIR) opencensus/proto/metrics/v1/metrics.proto
-	$(PROTOC) --ruby_out=./$(PROTO_GEN_RUBY_DIR) opencensus/proto/stats/v1/stats.proto
-	$(PROTOC) --ruby_out=./$(PROTO_GEN_RUBY_DIR) opencensus/proto/trace/v1/trace.proto
-	$(PROTOC) --ruby_out=./$(PROTO_GEN_RUBY_DIR) opencensus/proto/trace/v1/trace_config.proto
-	$(PROTOC) --ruby_out=./$(PROTO_GEN_RUBY_DIR) opencensus/proto/agent/common/v1/common.proto
-	$(PROTOC) --ruby_out=./$(PROTO_GEN_RUBY_DIR) --grpc-ruby_out=./$(PROTO_GEN_RUBY_DIR) opencensus/proto/agent/metrics/v1/metrics_service.proto
-	$(PROTOC) --ruby_out=./$(PROTO_GEN_RUBY_DIR) --grpc-ruby_out=./$(PROTO_GEN_RUBY_DIR) opencensus/proto/agent/trace/v1/trace_service.proto
+	@rm -rf gen-ruby/*
+	docker build -t opencensus-proto-gen . --output . --target ruby
 
 # Generate OpenApi (Swagger) documentation file for grpc-gateway endpoints.
 .PHONY: gen-openapi
 gen-openapi:
-	$(PROTOC) --openapiv2_out=logtostderr=true,grpc_api_configuration=src/opencensus/proto/agent/trace/v1/trace_service_http.yaml:$(PROTO_GEN_OPENAPI_DIR) opencensus/proto/agent/trace/v1/trace_service.proto
-	$(PROTOC) --openapiv2_out=logtostderr=true,grpc_api_configuration=src/opencensus/proto/agent/metrics/v1/metrics_service_http.yaml:$(PROTO_GEN_OPENAPI_DIR) opencensus/proto/agent/metrics/v1/metrics_service.proto
+	@rm -rf gen-openapi/*
+	docker build -t opencensus-proto-gen . --output . --target openapi
+
+# Generate all gRPC/Protobuf implementations.
+.PHONY: all
+all:
+	@rm -rf gen-go/*
+	@rm -rf gen-ruby/*
+	@rm -rf gen-openapi/*
+	docker build -t opencensus-proto-gen . --output . --target all

RELEASING.md

@@ -10,15 +10,10 @@ Other systems may also work, but we haven't verified them.
 
 ## Release Go files
 
-To generate the Go files from protos, you'll need to install protoc, protoc-gen-go and grpc-gateway plugins first.
-Follow the instructions [here](http://google.github.io/proto-lens/installing-protoc.html),
-[here](https://github.com/golang/protobuf#installation) and [here](https://github.com/grpc-ecosystem/grpc-gateway#installation).
-
-Then run the following commands to re-generate the gen-go files:
+Run the following commands to re-generate the gen-go files:
 
 ```bash
 $ git checkout -b update-gen-go
-$ rm -rf gen-go/*
 $ make gen-go
 $ git add -A
 $ git commit -m "Update gen-go files."
@@ -28,11 +23,10 @@ Go through PR review and merge the changes to GitHub.
 
 ## Release OpenAPI files
 
-Then run the following commands to re-generate the gen-openapi files:
+Run the following commands to re-generate the gen-openapi files:
 
 ```bash
 $ git checkout -b update-gen-ruby
-$ rm -rf gen-openapi/*
 $ make gen-openapi
 $ git add -A
 $ git commit -m "Update gen-openapi files."
@@ -42,11 +36,10 @@ Go through PR review and merge the changes to GitHub.
 
 ## Release Ruby files
 
-Then run the following commands to re-generate the gen-ruby files:
+Run the following commands to re-generate the gen-ruby files:
 
 ```bash
 $ git checkout -b update-gen-ruby
-$ rm -rf gen-ruby/*
 $ make gen-ruby
 $ git add -A
 $ git commit -m "Update gen-ruby files."
@@ -56,10 +49,10 @@ Go through PR review and merge the changes to GitHub.
 
 ## Release Python files
 
-Then run the following commands to re-generate the gen-python files:
+Run the following commands to re-generate the gen-python files:
 
 ```bash
-$ git checkout -b update-gen-python # Assume you're under opencensus-proto/
+$ git checkout -b update-gen-python
 $ make gen-python
 $ git add -A
 $ git commit -m "Update gen-python files."

go.mod

@@ -3,15 +3,15 @@ module github.com/census-instrumentation/opencensus-proto
 go 1.18
 
 require (
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.11.3
-	google.golang.org/grpc v1.49.0
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.15.2
+	google.golang.org/grpc v1.53.0
 	google.golang.org/protobuf v1.28.1
 )
 
 require (
 	github.com/golang/protobuf v1.5.2 // indirect
-	golang.org/x/net v0.0.0-20220624214902-1bab6f366d9e // indirect
-	golang.org/x/sys v0.0.0-20220610221304-9f5ed59c137d // indirect
-	golang.org/x/text v0.3.7 // indirect
-	google.golang.org/genproto v0.0.0-20220822174746-9e6da59bd2fc // indirect
+	golang.org/x/net v0.7.0 // indirect
+	golang.org/x/sys v0.5.0 // indirect
+	golang.org/x/text v0.7.0 // indirect
+	google.golang.org/genproto v0.0.0-20230223222841-637eb2293923 // indirect
 )

go.sum

@@ -3,20 +3,20 @@ github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaS
 github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
 github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.8 h1:e6P7q2lk1O+qJJb4BtCQXlK8vWEO8V1ZeuEdJNOqZyg=
-github.com/grpc-ecosystem/grpc-gateway/v2 v2.11.3 h1:lLT7ZLSzGLI08vc9cpd+tYmNWjdKDqyr/2L+f6U12Fk=
-github.com/grpc-ecosystem/grpc-gateway/v2 v2.11.3/go.mod h1:o//XUCC/F+yRGJoPO/VU0GSB0f8Nhgmxx0VIRUvaC0w=
-golang.org/x/net v0.0.0-20220624214902-1bab6f366d9e h1:TsQ7F31D3bUCLeqPT0u+yjp1guoArKaNKmCr22PYgTQ=
-golang.org/x/net v0.0.0-20220624214902-1bab6f366d9e/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
-golang.org/x/sys v0.0.0-20220610221304-9f5ed59c137d h1:Zu/JngovGLVi6t2J3nmAf3AoTDwuzw85YZ3b9o4yU7s=
-golang.org/x/sys v0.0.0-20220610221304-9f5ed59c137d/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
-golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.15.2 h1:gDLXvp5S9izjldquuoAhDzccbskOL6tDC5jMSyx3zxE=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.15.2/go.mod h1:7pdNwVWBBHGiCxa9lAszqCJMbfTISJ7oMftp8+UGV08=
+golang.org/x/net v0.7.0 h1:rJrUqqhjsgNp7KqAIc25s9pZnjU7TUcSY7HcVZjdn1g=
+golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
+golang.org/x/sys v0.5.0 h1:MUK/U/4lj1t1oPg0HfuXDN/Z1wv31ZJ/YcPiGccS4DU=
+golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/text v0.7.0 h1:4BRB4x83lYWy72KwLD/qYDuTu7q9PjSagHvijDw7cLo=
+golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/genproto v0.0.0-20220822174746-9e6da59bd2fc h1:Nf+EdcTLHR8qDNN/KfkQL0u0ssxt9OhbaWCl5C0ucEI=
-google.golang.org/genproto v0.0.0-20220822174746-9e6da59bd2fc/go.mod h1:dbqgFATTzChvnt+ujMdZwITVAJHFtfyN1qUhDqEiIlk=
-google.golang.org/grpc v1.49.0 h1:WTLtQzmQori5FUH25Pq4WT22oCsv8USpQ+F6rqtsmxw=
-google.golang.org/grpc v1.49.0/go.mod h1:ZgQEeidpAuNRZ8iRrlBKXZQP1ghovWIVhdJRyCDK+GI=
+google.golang.org/genproto v0.0.0-20230223222841-637eb2293923 h1:znp6mq/drrY+6khTAlJUDNFFcDGV2ENLYKpMq8SyCds=
+google.golang.org/genproto v0.0.0-20230223222841-637eb2293923/go.mod h1:3Dl5ZL0q0isWJt+FVcfpQyirqemEuLAK/iFvg1UP1Hw=
+google.golang.org/grpc v1.53.0 h1:LAv2ds7cmFV/XTS3XG1NneeENYrXGmorPxsBbptIjNc=
+google.golang.org/grpc v1.53.0/go.mod h1:OnIrk0ipVdj4N5d9IUoFUx72/VlD7+jUsHwZgwSMQpw=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=