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title: gRPC Plugin keywords: [“grpc-plugin”] description: grpc-plugin

Description

• The grpc plugin is a plugin that converts the Http protocol into the grpc protocol.

Plugin Setting

• Add related dependencies and enable plugin, please refer to: Quick start with gRPC .

• gRPC client access, please refer to: gRPC Proxy .

Plugin Detail

After the client accesses the Apache ShenYu gateway, it will automatically register the selector and rule information. You can see it in PluginList -> rpc proxy -> grpc. For details about the selector and rule configuration, see Selector And Rule Config .

Selector Handler

Selector Handler, the handle field, is the processing operation that the gateway can perform after matching the traffic.

• config details：

  • ip:port：enter the ip:port of your real service .

  • protocol：indicates the Http protocol. Generally, the value is http:// or https://. If the value is not specified, the default value is http:// .

  • weight：service weight.

  • status：open or close.

Metadata

Each grpc interface method, will correspond to a metadata, when the grpc application client access to the Apache ShenYu gateway, will be automatically registered, can be viewed in the shenyu-admin background management system of the BasicConfig --> Metadata management.

• AppName: specifies the name of the application to which the metadata belongs.

• MethodName: the name of the method to call.

• Path: http request path.

• PathDescribe: the description of the path is easy to view.

• ParamsType: the parameters are separated by commas (,) in the order of interface parameter types.

• RpcExpand: other configurations of the grpc interface, which support the JSON format, are as follows:

{
  "timeout": 5000,
  "methodType": "SERVER_STREAMING"
}

• Interface: The fully qualified class name of the grpc interface.

• RpcType：choose grpc.