导入protos时找不到文件错误

Question

我试图用来自Nighthawk项目的this proto创建Go gRPC客户端代码，我得到了这个错误：

user@computer:~/Code/nighthawk$ protoc --go_out=. --go_opt=paths=source_relative --go-grpc_out=. --go-grpc_opt=paths=source_relative api/client/output.proto 
envoy/config/core/v3/base.proto: File not found.
envoy/config/metrics/v3/stats.proto: File not found.
envoy/extensions/transport_sockets/tls/v3/cert.proto: File not found.
envoy/config/core/v3/extension.proto: File not found.
validate/validate.proto: File not found.
api/client/options.proto: Import "envoy/config/core/v3/base.proto" was not found or had errors.
api/client/options.proto: Import "envoy/config/metrics/v3/stats.proto" was not found or had errors.
api/client/options.proto: Import "envoy/extensions/transport_sockets/tls/v3/cert.proto" was not found or had errors.
api/client/options.proto: Import "envoy/config/core/v3/extension.proto" was not found or had errors.
api/client/options.proto: Import "validate/validate.proto" was not found or had errors.
api/client/options.proto:16:3: "envoy.config.core.v3.RequestMethod" is not defined.
api/client/options.proto:17:12: "envoy.config.core.v3.HeaderValueOption" is not defined.
api/client/options.proto:186:5: "envoy.config.core.v3.TypedExtensionConfig" is not defined.
api/client/options.proto:190:3: "envoy.extensions.transport_sockets.tls.v3.UpstreamTlsContext" is not defined.
api/client/options.proto:253:3: "envoy.config.core.v3.TransportSocket" is not defined.
api/client/options.proto:259:12: "envoy.config.metrics.v3.StatsSink" is not defined.
api/client/output.proto: Import "envoy/config/core/v3/base.proto" was not found or had errors.
api/client/output.proto: Import "api/client/options.proto" was not found or had errors.
api/client/output.proto:57:3: "nighthawk.client.CommandLineOptions" is not defined.
api/client/output.proto:59:3: "envoy.config.core.v3.BuildVersion" is not defined.

我看到这些protos是在特使的仓库here中定义的。

如何导入这些代码，以便生成客户端代码？

这个命令是什么？我错过了什么吗？

Answer 1

通常，您不应该从其他人的.proto文件构建自己的.pb.go文件。如果在一个二进制文件中发现同一个proto包的多个定义，Go将会崩溃，因此理想情况下，发布的每个.proto文件都应该在一个中心位置提供.pb.go文件。如果nighthawk不是这样的话，你仍然可以自己构建它。您需要下载特使依赖项并通过-I参数引用它们。