HTTP API annotations (#301)

* HTTP API annotations

* PR suggested improvements

Makefile

@@ -15,29 +15,32 @@ GOPATH := $(shell go env GOPATH)
 endif
 
 GOBIN := $(if $(shell go env GOBIN),$(shell go env GOBIN),$(GOPATH)/bin)
-SHELL := PATH=$(GOBIN):$(PATH) /bin/sh
+PATH := $(GOBIN):$(PATH)
 
 COLOR := "\e[1;36m%s\e[0m\n"
 
 PROTO_ROOT := .
 PROTO_FILES = $(shell find $(PROTO_ROOT) -name "*.proto")
 PROTO_DIRS = $(sort $(dir $(PROTO_FILES)))
 PROTO_OUT := .gen
-PROTO_IMPORTS = -I=$(PROTO_ROOT) -I=$(shell go list -modfile build/go.mod -m -f '{{.Dir}}' github.com/temporalio/gogo-protobuf)/protobuf
+PROTO_IMPORTS = \
+	-I=$(PROTO_ROOT) \
+	-I=$(shell go list -modfile build/go.mod -m -f '{{.Dir}}' github.com/temporalio/gogo-protobuf)/protobuf \
+	-I=$(shell go list -modfile build/go.mod -m -f '{{.Dir}}' github.com/grpc-ecosystem/grpc-gateway)/third_party/googleapis
 
 $(PROTO_OUT):
 	mkdir $(PROTO_OUT)
 
 ##### Compile proto files for go #####
 grpc: buf-lint api-linter buf-breaking gogo-grpc fix-path
 
-go-grpc: clean $(PROTO_OUT)
-	printf $(COLOR) "Compile for go-gRPC..."
-	$(foreach PROTO_DIR,$(PROTO_DIRS),protoc --fatal_warnings $(PROTO_IMPORTS) --go_out=plugins=grpc,paths=source_relative:$(PROTO_OUT) $(PROTO_DIR)*.proto;)
-
 gogo-grpc: clean $(PROTO_OUT)
 	printf $(COLOR) "Compile for gogo-gRPC..."
-	$(foreach PROTO_DIR,$(PROTO_DIRS),protoc --fatal_warnings $(PROTO_IMPORTS) --gogoslick_out=Mgoogle/protobuf/any.proto=github.com/gogo/protobuf/types,Mgoogle/protobuf/wrappers.proto=github.com/gogo/protobuf/types,Mgoogle/protobuf/duration.proto=github.com/gogo/protobuf/types,Mgoogle/protobuf/descriptor.proto=github.com/golang/protobuf/protoc-gen-go/descriptor,Mgoogle/protobuf/timestamp.proto=github.com/gogo/protobuf/types,plugins=grpc,paths=source_relative:$(PROTO_OUT) $(PROTO_DIR)*.proto;)
+	$(foreach PROTO_DIR,$(PROTO_DIRS),\
+		protoc --fatal_warnings $(PROTO_IMPORTS) \
+			--gogoslick_out=Mgoogle/protobuf/any.proto=github.com/gogo/protobuf/types,Mgoogle/protobuf/wrappers.proto=github.com/gogo/protobuf/types,Mgoogle/protobuf/duration.proto=github.com/gogo/protobuf/types,Mgoogle/protobuf/descriptor.proto=github.com/golang/protobuf/protoc-gen-go/descriptor,Mgoogle/protobuf/timestamp.proto=github.com/gogo/protobuf/types,plugins=grpc,paths=source_relative:$(PROTO_OUT) \
+			--grpc-gateway_out=allow_patch_feature=false,paths=source_relative:$(PROTO_OUT) \
+		$(PROTO_DIR)*.proto;)
 
 fix-path:
 	mv -f $(PROTO_OUT)/temporal/api/* $(PROTO_OUT) && rm -rf $(PROTO_OUT)/temporal
@@ -49,6 +52,7 @@ grpc-install: gogo-protobuf-install
 
 gogo-protobuf-install: go-protobuf-install
 	go install -modfile build/go.mod github.com/temporalio/gogo-protobuf/protoc-gen-gogoslick
+	go install -modfile build/go.mod github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway
 
 go-protobuf-install:
 	go install github.com/golang/protobuf/protoc-gen-go@v1.5.2

api-linter.yaml

@@ -30,9 +30,25 @@
     - '**/workflowservice/v1/service.proto'
     - '**/operatorservice/v1/service.proto'
   disabled_rules:
+    # We extract specific fields in URL since the gRPC API predates the HTTP API
+    - 'core::0127::resource-name-extraction'
+
+    # We do not require specific "Get", "Create", "Update", or "Delete" RPC
+    # rules just because we happen to use a known RPC name prefix
+    - 'core::0131'
+    - 'core::0133'
+    - 'core::0134'
+    - 'core::0135'
+
+    # We don't require HTTP calls to be suffixed with the same name as the gRPC
+    # name
+    - 'core::0136::http-uri-suffix'
+
+- included_paths:
+    - '**/operatorservice/v1/service.proto'
+  disabled_rules:
+    # Do not require HTTP annotations on OperatorService calls at this time
     - 'core::0127::http-annotation'
-    - 'core::0131::method-signature'
-    - 'core::0131::response-message-name'
 
 - included_paths:
     - 'dependencies/gogoproto/gogo.proto'

buf.lock

@@ -0,0 +1,7 @@
+# Generated by buf. DO NOT EDIT.
+version: v1
+deps:
+  - remote: buf.build
+    owner: googleapis
+    repository: googleapis
+    commit: cc916c31859748a68fd229a3c8d7a2e8

buf.yaml

@@ -1,4 +1,6 @@
 version: v1
+deps:
+  - buf.build/googleapis/googleapis
 breaking:
   use:
     - WIRE_JSON

build/go.mod

@@ -3,5 +3,15 @@ module build
 go 1.18
 
 require (
- 	github.com/temporalio/gogo-protobuf v1.22.1
-)
+	github.com/grpc-ecosystem/grpc-gateway v1.16.0
+	github.com/temporalio/gogo-protobuf v1.22.1
+)
+
+require (
+	github.com/ghodss/yaml v1.0.0 // indirect
+	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b // indirect
+	github.com/golang/protobuf v1.3.3 // indirect
+	google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884 // indirect
+	google.golang.org/grpc v1.33.1 // indirect
+	gopkg.in/yaml.v2 v2.2.3 // indirect
+)

build/go.sum

@@ -1,5 +1,84 @@
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build/tools.go

@@ -25,5 +25,7 @@
 package build
 
 import (
+	_ "github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway/descriptor"
+	_ "github.com/grpc-ecosystem/grpc-gateway/runtime"
 	_ "github.com/temporalio/gogo-protobuf/gogoproto" // gogoproto is just a random package name for module.
 )