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Merge pull request #67 from grafana/grpc
Add gRPC support + two gRPC endpoints + misc fixes
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| import { Client, StatusOK } from 'k6/net/grpc'; | ||
| import { check, sleep } from 'k6'; | ||
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| const BASE_URL = 'localhost:3334'; | ||
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| const client = new Client(); | ||
| client.load(['definitions'], '../../../proto/quickpizza.proto'); | ||
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| export default () => { | ||
| client.connect(BASE_URL, { | ||
| plaintext: true | ||
| }); | ||
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| const data = { ingredients: ["Pepperoni", "Mozzarella"], dough: "Stuffed" }; | ||
| const response = client.invoke('quickpizza.GRPC/EvaluatePizza', data); | ||
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| check(response, { | ||
| 'status is OK': (r) => r && r.status === StatusOK, | ||
| }); | ||
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| console.log(JSON.stringify(response.message)); | ||
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| client.close(); | ||
| sleep(1); | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| package grpc | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "log/slog" | ||
| "math/rand" | ||
| "net" | ||
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| pb "github.com/grafana/quickpizza/pkg/grpc/quickpizza" | ||
| "google.golang.org/grpc" | ||
| ) | ||
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| type serverImplementation struct { | ||
| pb.UnimplementedGRPCServer | ||
| } | ||
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| type Server struct { | ||
| grpcServer *grpc.Server | ||
| listen string | ||
| } | ||
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| func (s *serverImplementation) Status(_ context.Context, in *pb.StatusRequest) (*pb.StatusResponse, error) { | ||
| return &pb.StatusResponse{Ready: true}, nil | ||
| } | ||
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| func (s *serverImplementation) EvaluatePizza(_ context.Context, in *pb.PizzaEvaluationRequest) (*pb.PizzaEvaluationResponse, error) { | ||
| var rating int32 | ||
| if len(in.Ingredients) > 0 && in.Dough != "" { | ||
| rating = rand.Int31n(6) | ||
| } | ||
| return &pb.PizzaEvaluationResponse{ | ||
| StarsRating: rating, | ||
| }, nil | ||
| } | ||
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| func NewServer(listen string) *Server { | ||
| s := grpc.NewServer() | ||
| pb.RegisterGRPCServer(s, &serverImplementation{}) | ||
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| return &Server{grpcServer: s, listen: listen} | ||
| } | ||
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| func (s *Server) ListenAndServe() error { | ||
| lis, err := net.Listen("tcp", s.listen) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to listen on port: %w", err) | ||
| } | ||
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| slog.Info("Starting QuickPizza gRPC", "listenAddress", s.listen) | ||
| return s.grpcServer.Serve(lis) | ||
| } |
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