mirror of
https://github.com/k3s-io/k3s.git
synced 2024-06-07 19:41:36 +00:00
78 lines
2.8 KiB
Go
78 lines
2.8 KiB
Go
// Copyright 2016 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package v3rpc
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import (
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"crypto/tls"
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"math"
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"go.etcd.io/etcd/etcdserver"
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pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
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grpc_middleware "github.com/grpc-ecosystem/go-grpc-middleware"
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grpc_prometheus "github.com/grpc-ecosystem/go-grpc-prometheus"
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"go.etcd.io/etcd/clientv3/credentials"
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"google.golang.org/grpc"
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"google.golang.org/grpc/health"
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healthpb "google.golang.org/grpc/health/grpc_health_v1"
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)
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const (
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grpcOverheadBytes = 512 * 1024
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maxStreams = math.MaxUint32
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maxSendBytes = math.MaxInt32
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)
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func Server(s *etcdserver.EtcdServer, tls *tls.Config, gopts ...grpc.ServerOption) *grpc.Server {
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var opts []grpc.ServerOption
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opts = append(opts, grpc.CustomCodec(&codec{}))
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if tls != nil {
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bundle := credentials.NewBundle(credentials.Config{TLSConfig: tls})
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opts = append(opts, grpc.Creds(bundle.TransportCredentials()))
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}
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opts = append(opts, grpc.UnaryInterceptor(grpc_middleware.ChainUnaryServer(
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newLogUnaryInterceptor(s),
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newUnaryInterceptor(s),
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grpc_prometheus.UnaryServerInterceptor,
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)))
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opts = append(opts, grpc.StreamInterceptor(grpc_middleware.ChainStreamServer(
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newStreamInterceptor(s),
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grpc_prometheus.StreamServerInterceptor,
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)))
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opts = append(opts, grpc.MaxRecvMsgSize(int(s.Cfg.MaxRequestBytes+grpcOverheadBytes)))
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opts = append(opts, grpc.MaxSendMsgSize(maxSendBytes))
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opts = append(opts, grpc.MaxConcurrentStreams(maxStreams))
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grpcServer := grpc.NewServer(append(opts, gopts...)...)
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pb.RegisterKVServer(grpcServer, NewQuotaKVServer(s))
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pb.RegisterWatchServer(grpcServer, NewWatchServer(s))
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pb.RegisterLeaseServer(grpcServer, NewQuotaLeaseServer(s))
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pb.RegisterClusterServer(grpcServer, NewClusterServer(s))
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pb.RegisterAuthServer(grpcServer, NewAuthServer(s))
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pb.RegisterMaintenanceServer(grpcServer, NewMaintenanceServer(s))
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// server should register all the services manually
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// use empty service name for all etcd services' health status,
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// see https://github.com/grpc/grpc/blob/master/doc/health-checking.md for more
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hsrv := health.NewServer()
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hsrv.SetServingStatus("", healthpb.HealthCheckResponse_SERVING)
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healthpb.RegisterHealthServer(grpcServer, hsrv)
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// set zero values for metrics registered for this grpc server
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grpc_prometheus.Register(grpcServer)
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return grpcServer
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}
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