[skip changelog] Update proto files build step

.github/workflows/link-validation.yaml

@@ -25,11 +25,11 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v2
         with:
-          go-version: "1.14"
+          go-version: "1.16"
 
       - name: Installs Go dependencies
         shell: bash
-        run: go get -u github.com/pseudomuto/protoc-gen-doc/cmd/protoc-gen-doc
+        run: go install github.com/pseudomuto/protoc-gen-doc/cmd/protoc-gen-doc@v1.4.1
 
       - name: Install protoc compiler
         uses: arduino/setup-protoc@v1

.github/workflows/test.yaml

@@ -33,6 +33,7 @@ jobs:
           go get golang.org/x/lint/golint
           go get github.com/golang/protobuf/protoc-gen-go
           go get github.com/cmaglie/go.rice/rice
+          go get google.golang.org/grpc/cmd/protoc-gen-go-grpc
         shell: bash
 
       - name: Install Taskfile

.github/workflows/validate-docs.yaml

@@ -39,12 +39,12 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v2
         with:
-          go-version: "1.14"
+          go-version: "1.16"
 
       - name: Install Go dependencies
         run: |
           go version
-          go get -u github.com/pseudomuto/protoc-gen-doc/cmd/protoc-gen-doc
+          go install github.com/pseudomuto/protoc-gen-doc/cmd/protoc-gen-doc@v1.4.1
 
       - name: Install protoc compiler
         uses: arduino/setup-protoc@v1

DistTasks.yml

@@ -135,7 +135,7 @@ tasks:
       PLATFORM_DIR: "{{ .PROJECT_NAME }}_linux_arm_7"
       BUILD_COMMAND: "go build -o {{ .DIST_DIR }}/{{ .PLATFORM_DIR }}/{{ .PROJECT_NAME }} {{ .LDFLAGS }}"
       BUILD_PLATFORM: "linux/armv7"
-      CONTAINER_TAG: "{{ .GO_VERSION }}-arm"
+      CONTAINER_TAG: "{{ .GO_VERSION }}-armhf"
       PACKAGE_PLATFORM: "Linux_ARMv7"
       PACKAGE_NAME: "{{ .PROJECT_NAME }}_{{ .VERSION }}_{{ .PACKAGE_PLATFORM }}.tar.gz"
 
@@ -157,7 +157,35 @@ tasks:
       PLATFORM_DIR: "{{ .PROJECT_NAME }}_linux_arm_6"
       BUILD_COMMAND: "go build -o {{ .DIST_DIR }}/{{ .PLATFORM_DIR }}/{{ .PROJECT_NAME }} {{ .LDFLAGS }}"
       BUILD_PLATFORM: "linux/armv6"
-      CONTAINER_TAG: "{{ .GO_VERSION }}-arm"
+      # We are experiencing the following error with ARMv6 build:
+      #
+      #   # github.com/arduino/arduino-cli
+      #   net(.text): unexpected relocation type 296 (R_ARM_V4BX)
+      #   panic: runtime error: invalid memory address or nil pointer dereference
+      #   [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x51ae53]
+      #
+      #   goroutine 1 [running]:
+      #   cmd/link/internal/loader.(*Loader).SymName(0xc000095c00, 0x0, 0xc0000958d8, 0x5a0ac)
+      #           /usr/local/go/src/cmd/link/internal/loader/loader.go:684 +0x53
+      #   cmd/link/internal/ld.dynrelocsym2(0xc000095880, 0x5a0ac)
+      #           /usr/local/go/src/cmd/link/internal/ld/data.go:777 +0x295
+      #   cmd/link/internal/ld.(*dodataState).dynreloc2(0xc007df9800, 0xc000095880)
+      #           /usr/local/go/src/cmd/link/internal/ld/data.go:794 +0x89
+      #   cmd/link/internal/ld.(*Link).dodata2(0xc000095880, 0xc007d00000, 0x60518, 0x60518)
+      #           /usr/local/go/src/cmd/link/internal/ld/data.go:1434 +0x4d4
+      #   cmd/link/internal/ld.Main(0x8729a0, 0x4, 0x8, 0x1, 0xd, 0xe, 0x0, 0x0, 0x6d7737, 0x12, ...)
+      #           /usr/local/go/src/cmd/link/internal/ld/main.go:302 +0x123a
+      #   main.main()
+      #           /usr/local/go/src/cmd/link/main.go:68 +0x1dc
+      #   Error: failed building for linux/armv6: exit status 2
+      #
+      # This seems to be a problem in the go builder 1.16.x that removed support for the R_ARM_V4BX instruction:
+      #    https://github.com/golang/go/pull/44998
+      #    https://groups.google.com/g/golang-codereviews/c/yzN80xxwu2E
+      #
+      # Until there is a fix released we must use a recent gcc for Linux_ARMv6 build, so for this
+      # build we select the debian10 based container.
+      CONTAINER_TAG: "{{ .GO_VERSION }}-armel-debian10"
       PACKAGE_PLATFORM: "Linux_ARMv6"
       PACKAGE_NAME: "{{ .PROJECT_NAME }}_{{ .VERSION }}_{{ .PACKAGE_PLATFORM }}.tar.gz"
 
@@ -201,11 +229,24 @@ tasks:
       PLATFORM_DIR: "{{ .PROJECT_NAME }}_osx_darwin_amd64"
       BUILD_COMMAND: "go build -o {{ .DIST_DIR }}/{{ .PLATFORM_DIR }}/{{ .PROJECT_NAME }} {{ .LDFLAGS }}"
       BUILD_PLATFORM: "darwin/amd64"
-      CONTAINER_TAG: "{{ .GO_VERSION }}-darwin"
+      # We are experiencing the following error with macOS_64bit build:
+      #
+      #   Undefined symbols for architecture x86_64:
+      #     "_clock_gettime", referenced from:
+      #         _runtime.walltime_trampoline in go.o
+      #   ld: symbol(s) not found for architecture x86_64
+      #   clang: error: linker command failed with exit code 1 (use -v to see invocation)
+      #
+      # The reason seems that go 1.16.x use a macos API which is available since 10.12
+      #    https://github.com/techknowlogick/xgo/issues/100#issuecomment-780894190
+      #
+      # To compile it we need an SDK >=10.12 so we use the debian10 based container that
+      # has the SDK 10.14 installed.
+      CONTAINER_TAG: "{{ .GO_VERSION }}-darwin-debian10"
       PACKAGE_PLATFORM: "macOS_64bit"
       PACKAGE_NAME: "{{ .PROJECT_NAME }}_{{ .VERSION }}_{{ .PACKAGE_PLATFORM }}.tar.gz"
 
 vars:
   CONTAINER: "docker.elastic.co/beats-dev/golang-crossbuild"
-  GO_VERSION: "1.14.7"
+  GO_VERSION: "1.16.4"
   CHECKSUM_FILE: "{{ .VERSION }}-checksums.txt"

Taskfile.yml

@@ -86,10 +86,10 @@ tasks:
   protoc:compile:
     desc: Compile protobuf definitions
     cmds:
-      - '{{ default "protoc" .PROTOC_BINARY }} --proto_path=rpc --go_out=plugins=grpc,paths=source_relative:rpc ./rpc/cc/arduino/cli/commands/v1/*.proto'
-      - '{{ default "protoc" .PROTOC_BINARY }} --proto_path=rpc --go_out=plugins=grpc,paths=source_relative:rpc ./rpc/cc/arduino/cli/monitor/v1/*.proto'
-      - '{{ default "protoc" .PROTOC_BINARY }} --proto_path=rpc --go_out=plugins=grpc,paths=source_relative:rpc ./rpc/cc/arduino/cli/settings/v1/*.proto'
-      - '{{ default "protoc" .PROTOC_BINARY }} --proto_path=rpc --go_out=plugins=grpc,paths=source_relative:rpc ./rpc/cc/arduino/cli/debug/v1/*.proto'
+      - '{{ default "protoc" .PROTOC_BINARY }} --proto_path=rpc --go_out=./rpc --go_opt=paths=source_relative --go-grpc_out=./rpc --go-grpc_opt=paths=source_relative ./rpc/cc/arduino/cli/commands/v1/*.proto'
+      - '{{ default "protoc" .PROTOC_BINARY }} --proto_path=rpc --go_out=./rpc --go_opt=paths=source_relative --go-grpc_out=./rpc --go-grpc_opt=paths=source_relative ./rpc/cc/arduino/cli/monitor/v1/*.proto'
+      - '{{ default "protoc" .PROTOC_BINARY }} --proto_path=rpc --go_out=./rpc --go_opt=paths=source_relative --go-grpc_out=./rpc --go-grpc_opt=paths=source_relative ./rpc/cc/arduino/cli/settings/v1/*.proto'
+      - '{{ default "protoc" .PROTOC_BINARY }} --proto_path=rpc --go_out=./rpc --go_opt=paths=source_relative --go-grpc_out=./rpc --go-grpc_opt=paths=source_relative ./rpc/cc/arduino/cli/debug/v1/*.proto'
 
   protoc:docs:
     desc: Generate docs for protobuf definitions

commands/daemon/daemon.go

@@ -34,6 +34,7 @@ import (
 
 // ArduinoCoreServerImpl FIXMEDOC
 type ArduinoCoreServerImpl struct {
+	rpc.UnimplementedArduinoCoreServiceServer
 	VersionString string
 }
 

commands/daemon/debug.go

@@ -26,7 +26,9 @@ import (
 )
 
 // DebugService implements the `Debug` service
-type DebugService struct{}
+type DebugService struct {
+	dbg.UnimplementedDebugServiceServer
+}
 
 // Debug returns a stream response that can be used to fetch data from the
 // target. The first message passed through the `Debug` request must

commands/daemon/monitor.go

@@ -25,7 +25,9 @@ import (
 )
 
 // MonitorService implements the `Monitor` service
-type MonitorService struct{}
+type MonitorService struct {
+	rpc.UnimplementedMonitorServiceServer
+}
 
 // StreamingOpen returns a stream response that can be used to fetch data from the
 // monitor target. The first message passed through the `StreamingOpenReq` must

commands/daemon/settings.go

@@ -27,7 +27,9 @@ import (
 )
 
 // SettingsService implements the `Settings` service
-type SettingsService struct{}
+type SettingsService struct {
+	rpc.UnimplementedSettingsServiceServer
+}
 
 // GetAll returns a message with a string field containing all the settings
 // currently in use, marshalled in JSON format.