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grpc-proxy.md

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中文

grpc-proxy

proxying gRPC traffic: gRPC client -> APISIX -> gRPC server

Parameters

  • service_protocol: the route's option service_protocol must be grpc
  • uri: format likes /service/method , Example:/helloworld.Greeter/SayHello

Example

create proxying gRPC route

Here's an example, to proxying gRPC service by specified route:

  • attention: the route's option service_protocol must be grpc
  • attention: APISIX use TLS‑encrypted HTTP/2 to expose gRPC service, so need to config SSL certificate
  • the grpc server example:grpc_server_example
curl http://127.0.0.1:9080/apisix/admin/routes/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '
{
    "methods": ["POST", "GET"],
    "uri": "/helloworld.Greeter/SayHello",
    "service_protocol": "grpc",
    "upstream": {
        "type": "roundrobin",
        "nodes": {
            "127.0.0.1:50051": 1
        }
    }
}'

testing

Invoking the route created before:

$ grpcurl -insecure -import-path /pathtoprotos  -proto helloworld.proto  -d '{"name":"apisix"}' 127.0.0.1:9443 helloworld.Greeter.SayHello
{
  "message": "Hello apisix"
}

This means that the proxying is working.