open-consul/agent/grpc-external/server.go
Pablo Ruiz García 4188769c32
Added new auto_encrypt.grpc_server_tls config option to control AutoTLS enabling of GRPC Server's TLS usage
Fix for #14253

Co-authored-by: trujillo-adam <47586768+trujillo-adam@users.noreply.github.com>
2022-08-24 12:31:38 -04:00

44 lines
1.5 KiB
Go

package external
import (
"time"
middleware "github.com/grpc-ecosystem/go-grpc-middleware"
recovery "github.com/grpc-ecosystem/go-grpc-middleware/recovery"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/keepalive"
agentmiddleware "github.com/hashicorp/consul/agent/grpc-middleware"
"github.com/hashicorp/consul/tlsutil"
)
// NewServer constructs a gRPC server for the external gRPC port, to which
// handlers can be registered.
func NewServer(logger agentmiddleware.Logger, tls *tlsutil.Configurator) *grpc.Server {
recoveryOpts := agentmiddleware.PanicHandlerMiddlewareOpts(logger)
opts := []grpc.ServerOption{
grpc.MaxConcurrentStreams(2048),
middleware.WithUnaryServerChain(
// Add middlware interceptors to recover in case of panics.
recovery.UnaryServerInterceptor(recoveryOpts...),
),
middleware.WithStreamServerChain(
// Add middlware interceptors to recover in case of panics.
recovery.StreamServerInterceptor(recoveryOpts...),
),
grpc.KeepaliveEnforcementPolicy(keepalive.EnforcementPolicy{
// This must be less than the keealive.ClientParameters Time setting, otherwise
// the server will disconnect the client for sending too many keepalive pings.
// Currently the client param is set to 30s.
MinTime: 15 * time.Second,
}),
}
if tls != nil && tls.GRPCServerUseTLS() {
creds := credentials.NewTLS(tls.IncomingGRPCConfig())
opts = append(opts, grpc.Creds(creds))
}
return grpc.NewServer(opts...)
}