WePayでRESTからgRPCへのAPIの移行

service mesh , , service mesh .

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Service Mesh

Linkerd service mesh WePay, Linkerd HTTP/2 gRPC. gRPC- Kubernetes . service mesh REST- , Kubernetes, (path). , Kubernetes "foo", Linkerd , "foo/".

gRPC HTTP/2. gRPC- — "path". Path :

<package_name>.<grpc_service_name>/<method_name>

Linkerd path . gRPC :

1. Kubernetes gRPC. , Kubernetes "greeter", gRPC- "GreeterService".

   
   
   
   
   

2. , gRPC, gRPC-. , gRPC- gRPC- .

   
   
   
   
   

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CI/CD gRPC-

gRPC- :

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WePay - (Service Oriented Architecture), protobuf- . protobuf- gRPC- git-.

protos/
  |-<service-x>/
     |- **/*.proto
  |-<service-y>/
     |- **/*.proto
  |-commons/
     |- **/*.proto
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

proto- prototool , git- release-.

gRPC- protobufs. , protobufs- release-, protoc .

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gRPC

gRPC , REST-, gRPC. , , REST API.

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Protobuf

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1. proto2 proto3

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OTUS 2 Java- c . :

- Java Developer. Professional

- Java Developer. Basic

- , 19 . :

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- gRPC REST- .