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receive: use gRPC for forwarding messages #1970
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| package extgrpc | ||
|
|
||
| import ( | ||
| "math" | ||
|
|
||
| "github.com/go-kit/kit/log" | ||
| "github.com/go-kit/kit/log/level" | ||
| grpc_middleware "github.com/grpc-ecosystem/go-grpc-middleware" | ||
| grpc_prometheus "github.com/grpc-ecosystem/go-grpc-prometheus" | ||
| opentracing "github.com/opentracing/opentracing-go" | ||
| "github.com/prometheus/client_golang/prometheus" | ||
| "github.com/thanos-io/thanos/pkg/tls" | ||
| "github.com/thanos-io/thanos/pkg/tracing" | ||
| "google.golang.org/grpc" | ||
| "google.golang.org/grpc/credentials" | ||
| ) | ||
|
|
||
| // StoreClientGRPCOpts creates gRPC dial options for connecting to a store client. | ||
| func StoreClientGRPCOpts(logger log.Logger, reg *prometheus.Registry, tracer opentracing.Tracer, secure bool, cert, key, caCert, serverName string) ([]grpc.DialOption, error) { | ||
| grpcMets := grpc_prometheus.NewClientMetrics() | ||
| grpcMets.EnableClientHandlingTimeHistogram( | ||
| grpc_prometheus.WithHistogramBuckets([]float64{0.001, 0.01, 0.1, 0.3, 0.6, 1, 3, 6, 9, 20, 30, 60, 90, 120}), | ||
| ) | ||
| dialOpts := []grpc.DialOption{ | ||
| // We want to make sure that we can receive huge gRPC messages from storeAPI. | ||
| // On TCP level we can be fine, but the gRPC overhead for huge messages could be significant. | ||
| // Current limit is ~2GB. | ||
| // TODO(bplotka): Split sent chunks on store node per max 4MB chunks if needed. | ||
| grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(math.MaxInt32)), | ||
| grpc.WithUnaryInterceptor( | ||
| grpc_middleware.ChainUnaryClient( | ||
| grpcMets.UnaryClientInterceptor(), | ||
| tracing.UnaryClientInterceptor(tracer), | ||
| ), | ||
| ), | ||
| grpc.WithStreamInterceptor( | ||
| grpc_middleware.ChainStreamClient( | ||
| grpcMets.StreamClientInterceptor(), | ||
| tracing.StreamClientInterceptor(tracer), | ||
| ), | ||
| ), | ||
| } | ||
|
|
||
| if reg != nil { | ||
| reg.MustRegister(grpcMets) | ||
| } | ||
|
|
||
| if !secure { | ||
| return append(dialOpts, grpc.WithInsecure()), nil | ||
| } | ||
|
|
||
| level.Info(logger).Log("msg", "enabling client to server TLS") | ||
|
|
||
| tlsCfg, err := tls.NewClientConfig(logger, cert, key, caCert, serverName) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return append(dialOpts, grpc.WithTransportCredentials(credentials.NewTLS(tlsCfg))), nil | ||
| } |
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I think we need an item here that indicates that people need to change their hashring files to be just addresses that the gRPC client is built from, instead of the full http endpoint.